init

.editorconfig

@@ -0,0 +1,8 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+
+[{Makefile,**.mk,Makefile.in}]
+indent_style = tab

FreeRTOS+TCP.url

@@ -0,0 +1,5 @@
+[{000214A0-0000-0000-C000-000000000046}]
+Prop3=19,2
+[InternetShortcut]
+URL=http://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/index.html
+IDList=

FreeRTOS-Plus/Demo/AWS/Device_Defender_Windows_Simulator/Device_Defender_Demo/DemoTasks/DefenderDemoExample.c

@@ -0,0 +1,967 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/*
+ * Demo for showing how to use the Device Defender library's APIs. The Device
+ * Defender library provides macros and helper functions for assembling MQTT
+ * topics strings, and for determining whether an incoming MQTT message is
+ * related to Device Defender. The Device Defender library does not depend on
+ * any particular MQTT library, therefore the code for MQTT operations is
+ * placed in another file (mqtt_demo_helpers.c). This demo uses the coreMQTT
+ * library. If needed, mqtt_demo_helpers.c can be modified to replace coreMQTT
+ * with another MQTT library. This demo requires using the AWS IoT broker as
+ * Device Defender is an AWS service.
+ *
+ * This demo subscribes to the Device Defender topics. It then collects metrics
+ * for the open ports and sockets on the device using FreeRTOS+TCP. Additionally
+ * the stack high water mark and task IDs are collected for custom metrics.
+ * These metrics are used to generate a Device Defender report. The
+ * report is then published, and the demo waits for a response from the device
+ * defender service. Upon receiving an accepted response, the demo finishes.
+ * If the demo receives a rejected response or times out, the demo repeats up to
+ * a maximum of DEFENDER_MAX_DEMO_LOOP_COUNT times.
+ *
+ * This demo sets the report ID to xTaskGetTickCount(), which may collide if
+ * the device is reset. Reports for a Thing with a previously used report ID
+ * will be assumed to be duplicates and discarded by the Device Defender
+ * service. The report ID needs to be unique per report sent with a given
+ * Thing. We recommend using an increasing unique ID such as the current
+ * timestamp.
+ */
+
+/* Standard includes. */
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdint.h>
+
+/* Kernel includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* Demo config. */
+#include "demo_config.h"
+
+/* JSON Library. */
+#include "core_json.h"
+
+/* Device Defender Client Library. */
+#include "defender.h"
+
+/* MQTT operations. */
+#include "mqtt_demo_helpers.h"
+
+/* Metrics collector. */
+#include "metrics_collector.h"
+
+/* Report builder. */
+#include "report_builder.h"
+
+/**
+ * democonfigTHING_NAME is required. Throw compilation error if it is not defined.
+ */
+#ifndef democonfigTHING_NAME
+    #error "Please define democonfigTHING_NAME to the thing name registered with AWS IoT Core in demo_config.h."
+#endif
+
+/**
+ * @brief The length of #democonfigTHING_NAME.
+ */
+#define THING_NAME_LENGTH                           ( ( uint16_t ) ( sizeof( democonfigTHING_NAME ) - 1 ) )
+
+/**
+ * @brief Number of seconds to wait for the response from AWS IoT Device
+ * Defender service.
+ */
+#define DEFENDER_RESPONSE_WAIT_SECONDS              ( 2 )
+
+/**
+ * @brief Name of the report ID field in the response from the AWS IoT Device
+ * Defender service.
+ */
+#define DEFENDER_RESPONSE_REPORT_ID_FIELD           "reportId"
+
+/**
+ * @brief The length of #DEFENDER_RESPONSE_REPORT_ID_FIELD.
+ */
+#define DEFENDER_RESPONSE_REPORT_ID_FIELD_LENGTH    ( sizeof( DEFENDER_RESPONSE_REPORT_ID_FIELD ) - 1 )
+
+/**
+ * @brief The maximum number of times to run the loop in this demo.
+ *
+ * @note The demo loop is attempted to re-run only if it fails in an iteration.
+ * Once the demo loop succeeds in an iteration, the demo exits successfully.
+ */
+#ifndef DEFENDER_MAX_DEMO_LOOP_COUNT
+    #define DEFENDER_MAX_DEMO_LOOP_COUNT    ( 3 )
+#endif
+
+/**
+ * @brief Time in ticks to wait between retries of the demo loop if
+ * demo loop fails.
+ */
+#define DELAY_BETWEEN_DEMO_RETRY_ITERATIONS_TICKS    ( pdMS_TO_TICKS( 5000U ) )
+
+/**
+ * @brief Status values of the Device Defender report.
+ */
+typedef enum
+{
+    ReportStatusNotReceived,
+    ReportStatusAccepted,
+    ReportStatusRejected
+} ReportStatus_t;
+
+/**
+ * @brief Each compilation unit that consumes the NetworkContext must define it.
+ * It should contain a single pointer to the type of your desired transport.
+ * When using multiple transports in the same compilation unit, define this pointer as void *.
+ *
+ * @note Transport stacks are defined in FreeRTOS-Plus/Source/Application-Protocols/network_transport.
+ */
+struct NetworkContext
+{
+    TlsTransportParams_t * pParams;
+};
+/*-----------------------------------------------------------*/
+
+/**
+ * @brief The MQTT context used for MQTT operation.
+ */
+static MQTTContext_t xMqttContext;
+
+/**
+ * @brief The network context used for mbedTLS operation.
+ */
+static NetworkContext_t xNetworkContext;
+
+/**
+ * @brief The parameters for the network context using mbedTLS operation.
+ */
+static TlsTransportParams_t xTlsTransportParams;
+
+/**
+ * @brief Static buffer used to hold MQTT messages being sent and received.
+ */
+static uint8_t ucSharedBuffer[ democonfigNETWORK_BUFFER_SIZE ];
+
+/**
+ * @brief Static buffer used to hold MQTT messages being sent and received.
+ */
+static MQTTFixedBuffer_t xBuffer =
+{
+    ucSharedBuffer,
+    democonfigNETWORK_BUFFER_SIZE
+};
+
+/**
+ * @brief Network Stats.
+ */
+static NetworkStats_t xNetworkStats;
+
+/**
+ * @brief Open TCP ports array.
+ */
+static uint16_t pusOpenTcpPorts[ democonfigOPEN_TCP_PORTS_ARRAY_SIZE ];
+
+/**
+ * @brief Open UDP ports array.
+ */
+static uint16_t pusOpenUdpPorts[ democonfigOPEN_UDP_PORTS_ARRAY_SIZE ];
+
+/**
+ * @brief Established connections array.
+ */
+static Connection_t pxEstablishedConnections[ democonfigESTABLISHED_CONNECTIONS_ARRAY_SIZE ];
+
+/**
+ * @brief All the metrics sent in the Device Defender report.
+ */
+static ReportMetrics_t xDeviceMetrics;
+
+/**
+ * @brief Report status.
+ */
+static ReportStatus_t xReportStatus;
+
+/**
+ * @brief Buffer for generating the Device Defender report.
+ */
+static char pcDeviceMetricsJsonReport[ democonfigDEVICE_METRICS_REPORT_BUFFER_SIZE ];
+
+/**
+ * @brief Report ID sent in the defender report.
+ */
+static uint32_t ulReportId = 0UL;
+
+/*-----------------------------------------------------------*/
+
+/**
+ * @brief Callback to receive the incoming publish messages from the MQTT broker.
+ *
+ * @param[in] pxMqttContext The MQTT context for the MQTT connection.
+ * @param[in] pxPacketInfo Pointer to publish info of the incoming publish.
+ * @param[in] pxDeserializedInfo Deserialized information from the incoming publish.
+ */
+static void prvPublishCallback( MQTTContext_t * pxMqttContext,
+                                MQTTPacketInfo_t * pxPacketInfo,
+                                MQTTDeserializedInfo_t * pxDeserializedInfo );
+
+/**
+ * @brief Collect all the metrics to be sent in the Device Defender report.
+ *
+ * On success, caller is responsible for freeing xDeviceMetrics.pxTaskStatusArray.
+ *
+ * @return true if all the metrics are successfully collected;
+ * false otherwise.
+ */
+static bool prvCollectDeviceMetrics( void );
+
+/**
+ * @brief Generate the Device Defender report.
+ *
+ * @param[out] pxOutReportLength Length of the Device Defender report.
+ *
+ * @return true if the report is generated successfully;
+ * false otherwise.
+ */
+static bool prvGenerateDeviceMetricsReport( size_t * pxOutReportLength );
+
+/**
+ * @brief Subscribe to the Device Defender topics.
+ *
+ * @return true if the subscribe is successful;
+ * false otherwise.
+ */
+static bool prvSubscribeToDefenderTopics( void );
+
+/**
+ * @brief Unsubscribe from the Device Defender topics.
+ *
+ * @return true if the unsubscribe is successful;
+ * false otherwise.
+ */
+static bool prvUnsubscribeFromDefenderTopics( void );
+
+/**
+ * @brief Publish the generated Device Defender report.
+ *
+ * @param[in] xReportLength Length of the Device Defender report.
+ *
+ * @return true if the report is published successfully;
+ * false otherwise.
+ */
+static bool prvPublishDeviceMetricsReport( size_t xReportLength );
+
+/**
+ * @brief Validate the response received from the AWS IoT Device Defender Service.
+ *
+ * This functions checks that a valid JSON is received and the report ID
+ * is same as was sent in the published report.
+ *
+ * @param[in] pcDefenderResponse The defender response to validate.
+ * @param[in] xDefenderResponseLength Length of the defender response.
+ *
+ * @return true if the response is valid;
+ * false otherwise.
+ */
+static bool prvValidateDefenderResponse( const char * pcDefenderResponse,
+                                         size_t xDefenderResponseLength );
+
+/**
+ * @brief The task used to demonstrate the Defender API.
+ *
+ * This task collects metrics from the device using the functions in
+ * metrics_collector.h and uses them to build a defender report using functions
+ * in report_builder.h. Metrics include the number for bytes written and read
+ * over the network, open TCP and UDP ports, and open TCP sockets. The
+ * generated report is then published to the AWS IoT Device Defender service.
+ *
+ * @param[in] pvParameters Parameters as passed at the time of task creation.
+ * Not used in this example.
+ */
+static void prvDefenderDemoTask( void * pvParameters );
+
+/*-----------------------------------------------------------*/
+
+static bool prvValidateDefenderResponse( const char * pcDefenderResponse,
+                                         size_t xDefenderResponseLength )
+{
+    bool xStatus = false;
+    JSONStatus_t eJsonResult = JSONSuccess;
+    char * ucReportIdString = NULL;
+    size_t xReportIdStringLength;
+    uint32_t ulReportIdInResponse;
+
+    configASSERT( pcDefenderResponse != NULL );
+
+    /* Is the response a valid JSON? */
+    eJsonResult = JSON_Validate( pcDefenderResponse, xDefenderResponseLength );
+
+    if( eJsonResult != JSONSuccess )
+    {
+        LogError( ( "Invalid response from AWS IoT Device Defender Service: %.*s.",
+                    ( int ) xDefenderResponseLength,
+                    pcDefenderResponse ) );
+    }
+
+    if( eJsonResult == JSONSuccess )
+    {
+        /* Search the ReportId key in the response. */
+        eJsonResult = JSON_Search( ( char * ) pcDefenderResponse,
+                                   xDefenderResponseLength,
+                                   DEFENDER_RESPONSE_REPORT_ID_FIELD,
+                                   DEFENDER_RESPONSE_REPORT_ID_FIELD_LENGTH,
+                                   &( ucReportIdString ),
+                                   &( xReportIdStringLength ) );
+
+        if( eJsonResult != JSONSuccess )
+        {
+            LogError( ( "%s key not found in the response from the"
+                        "AWS IoT Device Defender Service: %.*s.",
+                        DEFENDER_RESPONSE_REPORT_ID_FIELD,
+                        ( int ) xDefenderResponseLength,
+                        pcDefenderResponse ) );
+        }
+    }
+
+    if( eJsonResult == JSONSuccess )
+    {
+        ulReportIdInResponse = ( uint32_t ) strtoul( ucReportIdString, NULL, 10 );
+
+        /* Is the report ID present in the response same as was sent in the
+         * published report? */
+        if( ulReportIdInResponse == ulReportId )
+        {
+            LogInfo( ( "A valid response with report ID %u received from the "
+                       "AWS IoT Device Defender Service.", ulReportId ) );
+            xStatus = true;
+        }
+        else
+        {
+            LogError( ( "Unexpected %s found in the response from the AWS"
+                        "IoT Device Defender Service. Expected: %u, Found: %u, "
+                        "Complete Response: %.*s.",
+                        DEFENDER_RESPONSE_REPORT_ID_FIELD,
+                        ulReportId,
+                        ulReportIdInResponse,
+                        ( int ) xDefenderResponseLength,
+                        pcDefenderResponse ) );
+        }
+    }
+
+    return xStatus;
+}
+/*-----------------------------------------------------------*/
+
+static void prvPublishCallback( MQTTContext_t * pxMqttContext,
+                                MQTTPacketInfo_t * pxPacketInfo,
+                                MQTTDeserializedInfo_t * pxDeserializedInfo )
+{
+    DefenderStatus_t xStatus;
+    DefenderTopic_t xApi;
+    bool xValidationResult;
+    MQTTPublishInfo_t * pxPublishInfo;
+
+    configASSERT( pxMqttContext != NULL );
+    configASSERT( pxPacketInfo != NULL );
+    configASSERT( pxDeserializedInfo != NULL );
+
+    /* Suppress the unused parameter warning when asserts are disabled in
+     * build. */
+    ( void ) pxMqttContext;
+
+    /* Handle an incoming publish. The lower 4 bits of the publish packet
+     * type is used for the dup, QoS, and retain flags. Hence masking
+     * out the lower bits to check if the packet is publish. */
+    if( ( pxPacketInfo->type & 0xF0U ) == MQTT_PACKET_TYPE_PUBLISH )
+    {
+        configASSERT( pxDeserializedInfo->pPublishInfo != NULL );
+
+        pxPublishInfo = pxDeserializedInfo->pPublishInfo;
+
+        /* Verify that the publish is for Device Defender, and if so get which
+         * defender API it is for */
+        xStatus = Defender_MatchTopic( pxPublishInfo->pTopicName,
+                                       pxPublishInfo->topicNameLength,
+                                       &( xApi ),
+                                       NULL,
+                                       NULL );
+
+        if( xStatus == DefenderSuccess )
+        {
+            if( xApi == DefenderJsonReportAccepted )
+            {
+                /* Check if the response is valid and is for the report we
+                 * published. If so, report was accepted. */
+                xValidationResult = prvValidateDefenderResponse( pxPublishInfo->pPayload,
+                                                                 pxPublishInfo->payloadLength );
+
+                if( xValidationResult == true )
+                {
+                    LogInfo( ( "The defender report was accepted by the service. Response: %.*s.",
+                               ( int ) pxPublishInfo->payloadLength,
+                               ( const char * ) pxPublishInfo->pPayload ) );
+                    xReportStatus = ReportStatusAccepted;
+                }
+            }
+            else if( xApi == DefenderJsonReportRejected )
+            {
+                /* Check if the response is valid and is for the report we
+                 * published. If so, report was rejected. */
+                xValidationResult = prvValidateDefenderResponse( pxPublishInfo->pPayload,
+                                                                 pxPublishInfo->payloadLength );
+
+                if( xValidationResult == true )
+                {
+                    LogError( ( "The defender report was rejected by the service. Response: %.*s.",
+                                ( int ) pxPublishInfo->payloadLength,
+                                ( const char * ) pxPublishInfo->pPayload ) );
+                    xReportStatus = ReportStatusRejected;
+                }
+            }
+            else
+            {
+                LogError( ( "Unexpected defender API : %d.", xApi ) );
+            }
+        }
+        else
+        {
+            LogError( ( "Unexpected publish message received. Topic: %.*s, Payload: %.*s.",
+                        ( int ) pxPublishInfo->topicNameLength,
+                        ( const char * ) pxPublishInfo->pTopicName,
+                        ( int ) pxPublishInfo->payloadLength,
+                        ( const char * ) ( pxPublishInfo->pPayload ) ) );
+        }
+    }
+    else
+    {
+        vHandleOtherIncomingPacket( pxPacketInfo, pxDeserializedInfo->packetIdentifier );
+    }
+}
+/*-----------------------------------------------------------*/
+
+static bool prvCollectDeviceMetrics( void )
+{
+    bool xStatus = false;
+    eMetricsCollectorStatus eStatus;
+    size_t xNumOpenTcpPorts = 0UL, xNumOpenUdpPorts = 0UL, xNumEstablishedConnections = 0UL, i;
+    UBaseType_t uxTasksWritten = { 0 };
+    UBaseType_t uxNumTasksRunning;
+    TaskStatus_t pxTaskStatus = { 0 };
+    TaskStatus_t * pxTaskStatusArray = NULL;
+
+    /* Collect bytes and packets sent and received. */
+    eStatus = eGetNetworkStats( &( xNetworkStats ) );
+
+    if( eStatus != eMetricsCollectorSuccess )
+    {
+        LogError( ( "xGetNetworkStats failed. Status: %d.",
+                    eStatus ) );
+    }
+
+    /* Collect a list of open TCP ports. */
+    if( eStatus == eMetricsCollectorSuccess )
+    {
+        eStatus = eGetOpenTcpPorts( &( pusOpenTcpPorts[ 0 ] ),
+                                                    democonfigOPEN_TCP_PORTS_ARRAY_SIZE,
+                                                    &( xNumOpenTcpPorts ) );
+
+        if( eStatus != eMetricsCollectorSuccess )
+        {
+            LogError( ( "xGetOpenTcpPorts failed. Status: %d.",
+                        eStatus ) );
+        }
+    }
+
+    /* Collect a list of open UDP ports. */
+    if( eStatus == eMetricsCollectorSuccess )
+    {
+        eStatus = eGetOpenUdpPorts( &( pusOpenUdpPorts[ 0 ] ),
+                                                    democonfigOPEN_UDP_PORTS_ARRAY_SIZE,
+                                                    &( xNumOpenUdpPorts ) );
+
+        if( eStatus != eMetricsCollectorSuccess )
+        {
+            LogError( ( "xGetOpenUdpPorts failed. Status: %d.",
+                        eStatus ) );
+        }
+    }
+
+    /* Collect a list of established connections. */
+    if( eStatus == eMetricsCollectorSuccess )
+    {
+        eStatus = eGetEstablishedConnections( &( pxEstablishedConnections[ 0 ] ),
+                                                              democonfigESTABLISHED_CONNECTIONS_ARRAY_SIZE,
+                                                              &( xNumEstablishedConnections ) );
+
+        if( eStatus != eMetricsCollectorSuccess )
+        {
+            LogError( ( "GetEstablishedConnections failed. Status: %d.",
+                        eStatus ) );
+        }
+    }
+
+    if( eStatus == eMetricsCollectorSuccess )
+    {
+        /* Get task count */
+        uxNumTasksRunning = uxTaskGetNumberOfTasks();
+
+        /* Allocate pxTaskStatusArray */
+        pxTaskStatusArray = pvPortMalloc( uxNumTasksRunning * sizeof( TaskStatus_t ) );
+
+        if( pxTaskStatusArray == NULL )
+        {
+            LogError( ( "Cannot allocate memory for pxTaskStatusArray: pvPortMalloc() failed." ) );
+            eStatus = eMetricsCollectorCollectionFailed;
+        }
+    }
+
+    /* Collect custom metrics. This demo sends this task's stack high water mark
+     * as a number type custom metric and the current task IDs as a list of
+     * numbers type custom metric. */
+    if( eStatus == eMetricsCollectorSuccess )
+    {
+        /* Get the current task's status information. The usStackHighWaterMark
+        * field of the task status will be included in the report as a "number"
+        * custom metric. */
+        vTaskGetInfo(
+            /* Query this task. */
+            NULL,
+            &pxTaskStatus,
+            /* Include the stack high water mark value. */
+            pdTRUE,
+            /* Don't include the task state in the TaskStatus_t structure. */
+            0 );
+        /* Get the task status information for all running tasks. The task IDs
+         * of each task is then extracted to include in the report as a "list of
+         * numbers" custom metric */
+        uxTasksWritten = uxTaskGetSystemState( pxTaskStatusArray, uxNumTasksRunning, NULL );
+
+        if( uxTasksWritten == 0 )
+        {
+            /* If 0 is returned, the buffer was too small. This line is reached
+             * when we hit the race condition where tasks have been added since
+             * we got the result of uxTaskGetNumberOfTasks() */
+            eStatus = eMetricsCollectorCollectionFailed;
+            LogError( ( "Failed to collect system state. uxTaskGetSystemState() failed due to insufficient buffer space.",
+                        eStatus ) );
+        }
+    }
+
+    /* Populate device metrics. */
+    if( eStatus == eMetricsCollectorSuccess )
+    {
+        xStatus = true;
+        xDeviceMetrics.pxNetworkStats = &( xNetworkStats );
+        xDeviceMetrics.pusOpenTcpPortsArray = &( pusOpenTcpPorts[ 0 ] );
+        xDeviceMetrics.xOpenTcpPortsArrayLength = xNumOpenTcpPorts;
+        xDeviceMetrics.pusOpenUdpPortsArray = &( pusOpenUdpPorts[ 0 ] );
+        xDeviceMetrics.xOpenUdpPortsArrayLength = xNumOpenUdpPorts;
+        xDeviceMetrics.pxEstablishedConnectionsArray = &( pxEstablishedConnections[ 0 ] );
+        xDeviceMetrics.xEstablishedConnectionsArrayLength = xNumEstablishedConnections;
+        xDeviceMetrics.ulStackHighWaterMark = pxTaskStatus.usStackHighWaterMark;
+        xDeviceMetrics.pxTaskStatusArray = pxTaskStatusArray;
+        xDeviceMetrics.xTaskStatusArrayLength = uxTasksWritten;
+    }
+    else
+    {
+        /* Free pxTaskStatusArray if we allocated it but did not add it to the
+         * xDeviceMetrics struct. */
+        if( pxTaskStatusArray != NULL )
+        {
+            vPortFree( pxTaskStatusArray );
+        }
+    }
+
+    return xStatus;
+}
+/*-----------------------------------------------------------*/
+
+static bool prvGenerateDeviceMetricsReport( size_t * pxOutReportLength )
+{
+    bool xStatus = false;
+    eReportBuilderStatus eReportBuilderStatus;
+
+    /* Generate the metrics report in the format expected by the AWS IoT Device
+     * Defender Service. */
+    eReportBuilderStatus = eGenerateJsonReport( &( pcDeviceMetricsJsonReport[ 0 ] ),
+                                                democonfigDEVICE_METRICS_REPORT_BUFFER_SIZE,
+                                                &( xDeviceMetrics ),
+                                                democonfigDEVICE_METRICS_REPORT_MAJOR_VERSION,
+                                                democonfigDEVICE_METRICS_REPORT_MINOR_VERSION,
+                                                ulReportId,
+                                                pxOutReportLength );
+
+    if( eReportBuilderStatus != eReportBuilderSuccess )
+    {
+        LogError( ( "GenerateJsonReport failed. Status: %d.",
+                    eReportBuilderStatus ) );
+    }
+    else
+    {
+        LogDebug( ( "Generated Report: %.*s.",
+                    *pxOutReportLength,
+                    &( pcDeviceMetricsJsonReport[ 0 ] ) ) );
+        xStatus = true;
+    }
+
+    return xStatus;
+}
+/*-----------------------------------------------------------*/
+
+static bool prvSubscribeToDefenderTopics( void )
+{
+    bool xStatus = false;
+
+    /* Subscribe to defender topic for responses for accepted reports. */
+    xStatus = xSubscribeToTopic( &xMqttContext,
+                                 DEFENDER_API_JSON_ACCEPTED( democonfigTHING_NAME ),
+                                 DEFENDER_API_LENGTH_JSON_ACCEPTED( THING_NAME_LENGTH ) );
+
+    if( xStatus == false )
+    {
+        LogError( ( "Failed to subscribe to defender topic: %.*s.",
+                    DEFENDER_API_LENGTH_JSON_ACCEPTED( THING_NAME_LENGTH ),
+                    DEFENDER_API_JSON_ACCEPTED( democonfigTHING_NAME ) ) );
+    }
+
+    if( xStatus == true )
+    {
+        /* Subscribe to defender topic for responses for rejected reports. */
+        xStatus = xSubscribeToTopic( &xMqttContext,
+                                     DEFENDER_API_JSON_REJECTED( democonfigTHING_NAME ),
+                                     DEFENDER_API_LENGTH_JSON_REJECTED( THING_NAME_LENGTH ) );
+
+        if( xStatus == false )
+        {
+            LogError( ( "Failed to subscribe to defender topic: %.*s.",
+                        DEFENDER_API_LENGTH_JSON_REJECTED( THING_NAME_LENGTH ),
+                        DEFENDER_API_JSON_REJECTED( democonfigTHING_NAME ) ) );
+        }
+    }
+
+    return xStatus;
+}
+/*-----------------------------------------------------------*/
+
+static bool prvUnsubscribeFromDefenderTopics( void )
+{
+    bool xStatus = false;
+
+    /* Unsubscribe from defender accepted topic. */
+    xStatus = xUnsubscribeFromTopic( &xMqttContext,
+                                     DEFENDER_API_JSON_ACCEPTED( democonfigTHING_NAME ),
+                                     DEFENDER_API_LENGTH_JSON_ACCEPTED( THING_NAME_LENGTH ) );
+
+    if( xStatus == true )
+    {
+        /* Unsubscribe from defender rejected topic. */
+        xStatus = xUnsubscribeFromTopic( &xMqttContext,
+                                         DEFENDER_API_JSON_REJECTED( democonfigTHING_NAME ),
+                                         DEFENDER_API_LENGTH_JSON_REJECTED( THING_NAME_LENGTH ) );
+    }
+
+    return xStatus;
+}
+/*-----------------------------------------------------------*/
+
+static bool prvPublishDeviceMetricsReport( size_t xReportLength )
+{
+    return xPublishToTopic( &xMqttContext,
+                            DEFENDER_API_JSON_PUBLISH( democonfigTHING_NAME ),
+                            DEFENDER_API_LENGTH_JSON_PUBLISH( THING_NAME_LENGTH ),
+                            &( pcDeviceMetricsJsonReport[ 0 ] ),
+                            xReportLength );
+}
+/*-----------------------------------------------------------*/
+
+/**
+ * @brief Create the task that demonstrates the Device Defender library API via
+ * a mutually authenticated MQTT connection with the AWS IoT broker.
+ */
+void vStartDefenderDemo( void )
+{
+    /* This example uses a single application task, which shows that how to use
+     * Device Defender library to generate and validate AWS IoT Device Defender
+     * MQTT topics, and use the coreMQTT library to communicate with the AWS
+     * IoT Device Defender service. */
+    xTaskCreate( prvDefenderDemoTask,      /* Function that implements the task. */
+                 "DemoTask",               /* Text name for the task - only used for debugging. */
+                 democonfigDEMO_STACKSIZE, /* Size of stack (in words, not bytes) to allocate for the task. */
+                 NULL,                     /* Task parameter - not used in this case. */
+                 tskIDLE_PRIORITY,         /* Task priority, must be between 0 and configMAX_PRIORITIES - 1. */
+                 NULL );                   /* Used to pass out a handle to the created task - not used in this case. */
+}
+/*-----------------------------------------------------------*/
+
+void prvDefenderDemoTask( void * pvParameters )
+{
+    bool xStatus = false;
+    BaseType_t xExitStatus = EXIT_FAILURE;
+    uint32_t ulReportLength = 0UL, i;
+    bool xMqttSessionEstablished = false;
+    UBaseType_t uxDemoRunCount = 0UL;
+
+    /* Remove compiler warnings about unused parameters. */
+    ( void ) pvParameters;
+
+    /* Set the pParams member of the network context with desired transport. */
+    xNetworkContext.pParams = &xTlsTransportParams;
+
+    /* Start with report not received. */
+    xReportStatus = ReportStatusNotReceived;
+
+    /* This demo runs a single loop unless there are failures in the demo execution.
+     * In case of failures in the demo execution, demo loop will be retried for up to
+     * DEFENDER_MAX_DEMO_LOOP_COUNT times. */
+    do
+    {
+        /* Set a report ID to be used.
+         *
+         * !!!NOTE!!!
+         * This demo sets the report ID to xTaskGetTickCount(), which may collide
+         * if the device is reset. Reports for a Thing with a previously used
+         * report ID will be assumed to be duplicates and discarded by the Device
+         * Defender service. The report ID needs to be unique per report sent with
+         * a given Thing. We recommend using an increasing unique ID such as the
+         * current timestamp. */
+        ulReportId = ( uint32_t ) xTaskGetTickCount();
+
+        /****************************** Connect. ******************************/
+
+        /* Attempts to connect to the AWS IoT MQTT broker over TCP. If the
+         * connection fails, retries after a timeout. Timeout value will
+         * exponentially increase until maximum attempts are reached. */
+        LogInfo( ( "Establishing MQTT session..." ) );
+        xStatus = xEstablishMqttSession( &xMqttContext,
+                                         &xNetworkContext,
+                                         &xBuffer,
+                                         prvPublishCallback );
+
+        if( xStatus != true )
+        {
+            LogError( ( "Failed to establish MQTT session." ) );
+        }
+        else
+        {
+            xMqttSessionEstablished = true;
+        }
+
+        /******************** Subscribe to Defender topics. *******************/
+
+        /* Attempt to subscribe to the AWS IoT Device Defender topics.
+         * Since this demo is using JSON, in prvSubscribeToDefenderTopics() we
+         * subscribe to the topics to which accepted and rejected responses are
+         * received from after publishing a JSON report.
+         *
+         * This demo uses a constant #democonfigTHING_NAME known at compile time
+         * therefore we use macros to assemble defender topic strings.
+         * If the thing name is known at run time, then we could use the API
+         * #Defender_GetTopic instead.
+         *
+         * For example, for the JSON accepted responses topic:
+         *
+         * #define TOPIC_BUFFER_LENGTH      ( 256U )
+         *
+         * // Every device should have a unique thing name registered with AWS IoT Core.
+         * // This example assumes that the device has a unique serial number which is
+         * // registered as the thing name with AWS IoT Core.
+         * const char * pThingName = GetDeviceSerialNumber();
+         * uint16_t thingNameLength = ( uint16_t )strlen( pThingname );
+         * char topicBuffer[ TOPIC_BUFFER_LENGTH ] = { 0 };
+         * uint16_t topicLength = 0;
+         * DefenderStatus_t status = DefenderSuccess;
+         *
+         * status = Defender_GetTopic( &( topicBuffer[ 0 ] ),
+         *                             TOPIC_BUFFER_LENGTH,
+         *                             pThingName,
+         *                             thingNameLength,
+         *                             DefenderJsonReportAccepted,
+         *                             &( topicLength ) );
+         */
+        if( xStatus == true )
+        {
+            LogInfo( ( "Subscribing to defender topics..." ) );
+            xStatus = prvSubscribeToDefenderTopics();
+
+            if( xStatus != true )
+            {
+                LogError( ( "Failed to subscribe to defender topics." ) );
+            }
+        }
+
+        /*********************** Collect device metrics. **********************/
+
+        /* We then need to collect the metrics that will be sent to the AWS IoT
+         * Device Defender service. This demo uses the functions declared in
+         * in metrics_collector.h to collect network metrics. For this demo, the
+         * implementation of these functions are in metrics_collector.c and
+         * collects metrics using tcp_netstat utility for FreeRTOS+TCP. */
+        if( xStatus == true )
+        {
+            LogInfo( ( "Collecting device metrics..." ) );
+            xStatus = prvCollectDeviceMetrics();
+
+            if( xStatus != true )
+            {
+                LogError( ( "Failed to collect device metrics." ) );
+            }
+        }
+
+        /********************** Generate defender report. *********************/
+
+        /* The data needs to be incorporated into a JSON formatted report,
+         * which follows the format expected by the Device Defender service.
+         * This format is documented here:
+         * https://docs.aws.amazon.com/iot/latest/developerguide/detect-device-side-metrics.html
+         */
+        if( xStatus == true )
+        {
+            LogInfo( ( "Generating Device Defender report..." ) );
+            xStatus = prvGenerateDeviceMetricsReport( &( ulReportLength ) );
+
+            /* Free the allocated array in xDeviceMetrics struct which is not
+             * used anymore after prvGenerateDeviceMetricsReport(). This code is
+             * only reached when prvCollectDeviceMetrics succeeded, so
+             * xDeviceMetrics.pxTaskStatusArray is a valid allocation that needs
+             * to be freed. */
+            vPortFree( xDeviceMetrics.pxTaskStatusArray );
+
+            if( xStatus != true )
+            {
+                LogError( ( "Failed to generate Device Defender report." ) );
+            }
+        }
+
+        /********************** Publish defender report. **********************/
+
+        /* The report is then published to the Device Defender service. This report
+         * is published to the MQTT topic for publishing JSON reports. As before,
+         * we use the defender library macros to create the topic string, though
+         * #Defender_GetTopic could be used if the Thing name is acquired at
+         * run time */
+        if( xStatus == true )
+        {
+            LogInfo( ( "Publishing Device Defender report..." ) );
+            xStatus = prvPublishDeviceMetricsReport( ulReportLength );
+
+            if( xStatus != true )
+            {
+                LogError( ( "Failed to publish Device Defender report." ) );
+            }
+        }
+
+        /* Wait for the response to our report. Response will be handled by the
+         * callback passed to xEstablishMqttSession() earlier.
+         * The callback will verify that the MQTT messages received are from the
+         * defender service's topic. Based on whether the response comes from
+         * the accepted or rejected topics, it updates xReportStatus. */
+        if( xStatus == true )
+        {
+            for( i = 0; i < DEFENDER_RESPONSE_WAIT_SECONDS; i++ )
+            {
+                ( void ) xProcessLoop( &xMqttContext, 1000 );
+
+                /* xReportStatus is updated in the prvPublishCallback. */
+                if( xReportStatus != ReportStatusNotReceived )
+                {
+                    break;
+                }
+            }
+        }
+
+        if( xReportStatus == ReportStatusNotReceived )
+        {
+            LogError( ( "Failed to receive response from AWS IoT Device Defender Service." ) );
+            xStatus = false;
+        }
+
+        /**************************** Disconnect. *****************************/
+
+        /* Unsubscribe and disconnect if MQTT session was established. Per the MQTT
+         * protocol spec, it is okay to send UNSUBSCRIBE even if no corresponding
+         * subscription exists on the broker. Therefore, it is okay to attempt
+         * unsubscribe even if one more subscribe failed earlier. */
+        if( xMqttSessionEstablished )
+        {
+            LogInfo( ( "Unsubscribing from defender topics..." ) );
+            xStatus = prvUnsubscribeFromDefenderTopics();
+
+            if( xStatus != true )
+            {
+                LogError( ( "Failed to unsubscribe from defender topics." ) );
+            }
+
+            LogInfo( ( "Closing MQTT session..." ) );
+            ( void ) xDisconnectMqttSession( &xMqttContext,
+                                             &xNetworkContext );
+        }
+
+        if( ( xStatus == true ) && ( xReportStatus == ReportStatusAccepted ) )
+        {
+            xExitStatus = EXIT_SUCCESS;
+        }
+
+        /*********************** Retry in case of failure. ************************/
+
+        /* Increment the demo run count. */
+        uxDemoRunCount++;
+
+        if( xExitStatus == EXIT_SUCCESS )
+        {
+            LogInfo( ( "Demo iteration %lu is successful.", uxDemoRunCount ) );
+        }
+        /* Attempt to retry a failed iteration of demo for up to #DEFENDER_MAX_DEMO_LOOP_COUNT times. */
+        else if( uxDemoRunCount < DEFENDER_MAX_DEMO_LOOP_COUNT )
+        {
+            LogWarn( ( "Demo iteration %lu failed. Retrying...", uxDemoRunCount ) );
+            vTaskDelay( DELAY_BETWEEN_DEMO_RETRY_ITERATIONS_TICKS );
+        }
+        /* Failed all #DEFENDER_MAX_DEMO_LOOP_COUNT demo iterations. */
+        else
+        {
+            LogError( ( "All %d demo iterations failed.", DEFENDER_MAX_DEMO_LOOP_COUNT ) );
+            break;
+        }
+    } while( xExitStatus != EXIT_SUCCESS );
+
+    /****************************** Finish. ******************************/
+
+    if( xExitStatus == EXIT_SUCCESS )
+    {
+        LogInfo( ( "Demo completed successfully." ) );
+    }
+    else
+    {
+        LogError( ( "Demo failed." ) );
+    }
+
+    /* Delete this task. */
+    LogInfo( ( "Deleting Defender Demo task." ) );
+    vTaskDelete( NULL );
+}
+/*-----------------------------------------------------------*/

FreeRTOS-Plus/Demo/AWS/Device_Defender_Windows_Simulator/Device_Defender_Demo/FreeRTOSConfig.h

@@ -0,0 +1,200 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef FREERTOS_CONFIG_H
+#define FREERTOS_CONFIG_H
+
+/*-----------------------------------------------------------
+* Application specific definitions.
+*
+* These definitions should be adjusted for your particular hardware and
+* application requirements.
+*
+* THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
+* FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
+* http://www.freertos.org/a00110.html
+*
+* The bottom of this file contains some constants specific to running the UDP
+* stack in this demo.  Constants specific to FreeRTOS+TCP itself (rather than
+* the demo) are contained in FreeRTOSIPConfig.h.
+*----------------------------------------------------------*/
+#define configUSE_PREEMPTION                       1
+#define configUSE_PORT_OPTIMISED_TASK_SELECTION    1
+#define configMAX_PRIORITIES                       ( 7 )
+#define configTICK_RATE_HZ                         ( 1000 )                  /* In this non-real time simulated environment the tick frequency has to be at least a multiple of the Win32 tick frequency, and therefore very slow. */
+#define configMINIMAL_STACK_SIZE                   ( ( unsigned short ) 60 ) /* In this simulated case, the stack only has to hold one small structure as the real stack is part of the Win32 thread. */
+#define configTOTAL_HEAP_SIZE                      ( ( size_t ) ( 2048U * 1024U ) )
+#define configMAX_TASK_NAME_LEN                    ( 15 )
+#define configUSE_TRACE_FACILITY                   1
+#define configUSE_STATS_FORMATTING_FUNCTIONS       0
+#define configUSE_16_BIT_TICKS                     0
+#define configIDLE_SHOULD_YIELD                    1
+#define configUSE_CO_ROUTINES                      0
+#define configUSE_MUTEXES                          1
+#define configUSE_RECURSIVE_MUTEXES                1
+#define configQUEUE_REGISTRY_SIZE                  0
+#define configUSE_APPLICATION_TASK_TAG             0
+#define configUSE_COUNTING_SEMAPHORES              1
+#define configUSE_ALTERNATIVE_API                  0
+#define configNUM_THREAD_LOCAL_STORAGE_POINTERS    0
+#define configENABLE_BACKWARD_COMPATIBILITY        1
+#define configSUPPORT_STATIC_ALLOCATION            1
+
+/* Hook function related definitions. */
+#define configUSE_TICK_HOOK                        0
+#define configUSE_IDLE_HOOK                        0
+#define configUSE_MALLOC_FAILED_HOOK               0
+#define configCHECK_FOR_STACK_OVERFLOW             0 /* Not applicable to the Win32 port. */
+
+/* Software timer related definitions. */
+#define configUSE_TIMERS                           1
+#define configTIMER_TASK_PRIORITY                  ( configMAX_PRIORITIES - 1 )
+#define configTIMER_QUEUE_LENGTH                   5
+#define configTIMER_TASK_STACK_DEPTH               ( configMINIMAL_STACK_SIZE * 2 )
+
+/* Event group related definitions. */
+#define configUSE_EVENT_GROUPS                     1
+
+/* Run time stats gathering configuration options. */
+#define configGENERATE_RUN_TIME_STATS              0
+
+/* Co-routine definitions. */
+#define configUSE_CO_ROUTINES                      0
+#define configMAX_CO_ROUTINE_PRIORITIES            ( 2 )
+
+/* Set the following definitions to 1 to include the API function, or zero
+ * to exclude the API function. */
+#define INCLUDE_vTaskPrioritySet                   1
+#define INCLUDE_uxTaskPriorityGet                  1
+#define INCLUDE_vTaskDelete                        1
+#define INCLUDE_vTaskCleanUpResources              0
+#define INCLUDE_vTaskSuspend                       1
+#define INCLUDE_vTaskDelayUntil                    1
+#define INCLUDE_vTaskDelay                         1
+#define INCLUDE_uxTaskGetStackHighWaterMark        1
+#define INCLUDE_xTaskGetSchedulerState             1
+#define INCLUDE_xTimerGetTimerTaskHandle           0
+#define INCLUDE_xTaskGetIdleTaskHandle             0
+#define INCLUDE_xQueueGetMutexHolder               1
+#define INCLUDE_eTaskGetState                      1
+#define INCLUDE_xEventGroupSetBitsFromISR          1
+#define INCLUDE_xTimerPendFunctionCall             1
+#define INCLUDE_pcTaskGetTaskName                  1
+
+/* Assert call defined for debug builds. */
+#ifdef _DEBUG
+    extern void vAssertCalled( const char * pcFile,
+                               uint32_t ulLine );
+    #define configASSERT( x )    if( ( x ) == 0 ) vAssertCalled( __FILE__, __LINE__ )
+#endif /* _DEBUG */
+
+/* Application specific definitions follow. **********************************/
+
+/* Only used when running in the FreeRTOS Windows simulator.  Defines the
+ * priority of the task used to simulate Ethernet interrupts. */
+#define configMAC_ISR_SIMULATOR_PRIORITY    ( configMAX_PRIORITIES - 1 )
+
+/* This demo creates a virtual network connection by accessing the raw Ethernet
+ * or WiFi data to and from a real network connection.  Many computers have more
+ * than one real network port, and configNETWORK_INTERFACE_TO_USE is used to tell
+ * the demo which real port should be used to create the virtual port.  The ports
+ * available are displayed on the console when the application is executed.  For
+ * example, on my development laptop setting configNETWORK_INTERFACE_TO_USE to 4
+ * results in the wired network being used, while setting
+ * configNETWORK_INTERFACE_TO_USE to 2 results in the wireless network being
+ * used. */
+#define configNETWORK_INTERFACE_TO_USE      ( 0L )
+
+/* The address to which logging is sent should UDP logging be enabled. */
+#define configUDP_LOGGING_ADDR0             192
+#define configUDP_LOGGING_ADDR1             168
+#define configUDP_LOGGING_ADDR2             0
+#define configUDP_LOGGING_ADDR3             11
+
+/* Default MAC address configuration.  The demo creates a virtual network
+ * connection that uses this MAC address by accessing the raw Ethernet/WiFi data
+ * to and from a real network connection on the host PC.  See the
+ * configNETWORK_INTERFACE_TO_USE definition above for information on how to
+ * configure the real network connection to use. */
+#define configMAC_ADDR0                     0x00
+#define configMAC_ADDR1                     0x11
+#define configMAC_ADDR2                     0x11
+#define configMAC_ADDR3                     0x11
+#define configMAC_ADDR4                     0x11
+#define configMAC_ADDR5                     0x41
+
+/* Default IP address configuration.  Used in ipconfigUSE_DNS is set to 0, or
+ * ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configIP_ADDR0                      10
+#define configIP_ADDR1                      10
+#define configIP_ADDR2                      10
+#define configIP_ADDR3                      200
+
+/* Default gateway IP address configuration.  Used in ipconfigUSE_DNS is set to
+ * 0, or ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configGATEWAY_ADDR0                 10
+#define configGATEWAY_ADDR1                 10
+#define configGATEWAY_ADDR2                 10
+#define configGATEWAY_ADDR3                 1
+
+/* Default DNS server configuration.  OpenDNS addresses are 208.67.222.222 and
+ * 208.67.220.220.  Used in ipconfigUSE_DNS is set to 0, or ipconfigUSE_DNS is set
+ * to 1 but a DNS server cannot be contacted.*/
+#define configDNS_SERVER_ADDR0              208
+#define configDNS_SERVER_ADDR1              67
+#define configDNS_SERVER_ADDR2              222
+#define configDNS_SERVER_ADDR3              222
+
+/* Default netmask configuration.  Used in ipconfigUSE_DNS is set to 0, or
+ * ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configNET_MASK0                     255
+#define configNET_MASK1                     0
+#define configNET_MASK2                     0
+#define configNET_MASK3                     0
+
+/* The UDP port to which print messages are sent. */
+#define configPRINT_PORT                    ( 15000 )
+
+
+#if ( defined( _MSC_VER ) && ( _MSC_VER <= 1600 ) && !defined( snprintf ) )
+    /* Map to Windows names. */
+    #define snprintf     _snprintf
+    #define vsnprintf    _vsnprintf
+#endif
+
+/* Visual studio does not have an implementation of strcasecmp(). */
+#define strcasecmp     _stricmp
+#define strncasecmp    _strnicmp
+#define strcmpi        _strcmpi
+
+/* Prototype for the function used to print out.  In this case it prints to the
+ * console before the network is connected then a UDP port after the network has
+ * connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+#define configPRINTF( X )    vLoggingPrintf X
+
+#endif /* FREERTOS_CONFIG_H */

FreeRTOS-Plus/Demo/AWS/Device_Defender_Windows_Simulator/Device_Defender_Demo/FreeRTOSIPConfig.h

@@ -0,0 +1,311 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/*****************************************************************************
+*
+* See the following URL for configuration information.
+* http://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html
+*
+*****************************************************************************/
+
+#ifndef FREERTOS_IP_CONFIG_H
+#define FREERTOS_IP_CONFIG_H
+
+#include "tcp_netstat.h"
+
+/* Prototype for the function used to print out.  In this case it prints to the
+ * console before the network is connected then a UDP port after the network has
+ * connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Set to 1 to print out debug messages.  If ipconfigHAS_DEBUG_PRINTF is set to
+ * 1 then FreeRTOS_debug_printf should be defined to the function used to print
+ * out the debugging messages. */
+#define ipconfigHAS_DEBUG_PRINTF    0
+#if ( ipconfigHAS_DEBUG_PRINTF == 1 )
+    #define FreeRTOS_debug_printf( X )    vLoggingPrintf X
+#endif
+
+/* Set to 1 to print out non debugging messages, for example the output of the
+ * FreeRTOS_netstat() command, and ping replies.  If ipconfigHAS_PRINTF is set to 1
+ * then FreeRTOS_printf should be set to the function used to print out the
+ * messages. */
+#define ipconfigHAS_PRINTF    1
+#if ( ipconfigHAS_PRINTF == 1 )
+    #define FreeRTOS_printf( X )    vLoggingPrintf X
+#endif
+
+/* Define the byte order of the target MCU (the MCU FreeRTOS+TCP is executing
+ * on).  Valid options are pdFREERTOS_BIG_ENDIAN and pdFREERTOS_LITTLE_ENDIAN. */
+#define ipconfigBYTE_ORDER                         pdFREERTOS_LITTLE_ENDIAN
+
+/* If the network card/driver includes checksum offloading (IP/TCP/UDP checksums)
+ * then set ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM to 1 to prevent the software
+ * stack repeating the checksum calculations. */
+#define ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM     1
+
+/* Several API's will block until the result is known, or the action has been
+ * performed, for example FreeRTOS_send() and FreeRTOS_recv().  The timeouts can be
+ * set per socket, using setsockopt().  If not set, the times below will be
+ * used as defaults. */
+#define ipconfigSOCK_DEFAULT_RECEIVE_BLOCK_TIME    ( 2000 )
+#define ipconfigSOCK_DEFAULT_SEND_BLOCK_TIME       ( 5000 )
+
+/* Include support for LLMNR: Link-local Multicast Name Resolution
+ * (non-Microsoft) */
+#define ipconfigUSE_LLMNR                          ( 0 )
+
+/* Include support for NBNS: NetBIOS Name Service (Microsoft) */
+#define ipconfigUSE_NBNS                           ( 0 )
+
+/* Include support for DNS caching.  For TCP, having a small DNS cache is very
+ * useful.  When a cache is present, ipconfigDNS_REQUEST_ATTEMPTS can be kept low
+ * and also DNS may use small timeouts.  If a DNS reply comes in after the DNS
+ * socket has been destroyed, the result will be stored into the cache.  The next
+ * call to FreeRTOS_gethostbyname() will return immediately, without even creating
+ * a socket. */
+#define ipconfigUSE_DNS_CACHE                      ( 1 )
+#define ipconfigDNS_CACHE_NAME_LENGTH              ( 64 )
+#define ipconfigDNS_CACHE_ENTRIES                  ( 4 )
+#define ipconfigDNS_REQUEST_ATTEMPTS               ( 2 )
+
+/* The IP stack executes it its own task (although any application task can make
+ * use of its services through the published sockets API). ipconfigUDP_TASK_PRIORITY
+ * sets the priority of the task that executes the IP stack.  The priority is a
+ * standard FreeRTOS task priority so can take any value from 0 (the lowest
+ * priority) to (configMAX_PRIORITIES - 1) (the highest priority).
+ * configMAX_PRIORITIES is a standard FreeRTOS configuration parameter defined in
+ * FreeRTOSConfig.h, not FreeRTOSIPConfig.h. Consideration needs to be given as to
+ * the priority assigned to the task executing the IP stack relative to the
+ * priority assigned to tasks that use the IP stack. */
+#define ipconfigIP_TASK_PRIORITY                   ( configMAX_PRIORITIES - 2 )
+
+/* The size, in words (not bytes), of the stack allocated to the FreeRTOS+TCP
+ * task.  This setting is less important when the FreeRTOS Win32 simulator is used
+ * as the Win32 simulator only stores a fixed amount of information on the task
+ * stack.  FreeRTOS includes optional stack overflow detection, see:
+ * http://www.freertos.org/Stacks-and-stack-overflow-checking.html */
+#define ipconfigIP_TASK_STACK_SIZE_WORDS           ( configMINIMAL_STACK_SIZE * 5 )
+
+/* ipconfigRAND32() is called by the IP stack to generate random numbers for
+ * things such as a DHCP transaction number or initial sequence number.  Random
+ * number generation is performed via this macro to allow applications to use their
+ * own random number generation method.  For example, it might be possible to
+ * generate a random number by sampling noise on an analogue input. */
+extern UBaseType_t uxRand();
+#define ipconfigRAND32()    uxRand()
+
+/* If ipconfigUSE_NETWORK_EVENT_HOOK is set to 1 then FreeRTOS+TCP will call the
+ * network event hook at the appropriate times.  If ipconfigUSE_NETWORK_EVENT_HOOK
+ * is not set to 1 then the network event hook will never be called.  See
+ * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_UDP/API/vApplicationIPNetworkEventHook.shtml
+ */
+#define ipconfigUSE_NETWORK_EVENT_HOOK                        1
+
+/* Sockets have a send block time attribute.  If FreeRTOS_sendto() is called but
+ * a network buffer cannot be obtained then the calling task is held in the Blocked
+ * state (so other tasks can continue to executed) until either a network buffer
+ * becomes available or the send block time expires.  If the send block time expires
+ * then the send operation is aborted.  The maximum allowable send block time is
+ * capped to the value set by ipconfigMAX_SEND_BLOCK_TIME_TICKS.  Capping the
+ * maximum allowable send block time prevents a deadlock occurring when
+ * all the network buffers are in use and the tasks that process (and subsequently
+ * free) the network buffers are themselves blocked waiting for a network buffer.
+ * ipconfigMAX_SEND_BLOCK_TIME_TICKS is specified in RTOS ticks.  A time in
+ * milliseconds can be converted to a time in ticks by dividing the time in
+ * milliseconds by portTICK_PERIOD_MS. */
+#define ipconfigUDP_MAX_SEND_BLOCK_TIME_TICKS                 ( 5000 / portTICK_PERIOD_MS )
+
+/* If ipconfigUSE_DHCP is 1 then FreeRTOS+TCP will attempt to retrieve an IP
+ * address, netmask, DNS server address and gateway address from a DHCP server.  If
+ * ipconfigUSE_DHCP is 0 then FreeRTOS+TCP will use a static IP address.  The
+ * stack will revert to using the static IP address even when ipconfigUSE_DHCP is
+ * set to 1 if a valid configuration cannot be obtained from a DHCP server for any
+ * reason.  The static configuration used is that passed into the stack by the
+ * FreeRTOS_IPInit() function call. */
+#define ipconfigUSE_DHCP                                      1
+
+/* When ipconfigUSE_DHCP is set to 1, DHCP requests will be sent out at
+ * increasing time intervals until either a reply is received from a DHCP server
+ * and accepted, or the interval between transmissions reaches
+ * ipconfigMAXIMUM_DISCOVER_TX_PERIOD.  The IP stack will revert to using the
+ * static IP address passed as a parameter to FreeRTOS_IPInit() if the
+ * re-transmission time interval reaches ipconfigMAXIMUM_DISCOVER_TX_PERIOD without
+ * a DHCP reply being received. */
+#define ipconfigMAXIMUM_DISCOVER_TX_PERIOD                    ( 120000 / portTICK_PERIOD_MS )
+
+/* The ARP cache is a table that maps IP addresses to MAC addresses.  The IP
+ * stack can only send a UDP message to a remove IP address if it knowns the MAC
+ * address associated with the IP address, or the MAC address of the router used to
+ * contact the remote IP address.  When a UDP message is received from a remote IP
+ * address the MAC address and IP address are added to the ARP cache.  When a UDP
+ * message is sent to a remote IP address that does not already appear in the ARP
+ * cache then the UDP message is replaced by a ARP message that solicits the
+ * required MAC address information.  ipconfigARP_CACHE_ENTRIES defines the maximum
+ * number of entries that can exist in the ARP table at any one time. */
+#define ipconfigARP_CACHE_ENTRIES                             6
+
+/* ARP requests that do not result in an ARP response will be re-transmitted a
+ * maximum of ipconfigMAX_ARP_RETRANSMISSIONS times before the ARP request is
+ * aborted. */
+#define ipconfigMAX_ARP_RETRANSMISSIONS                       ( 5 )
+
+/* ipconfigMAX_ARP_AGE defines the maximum time between an entry in the ARP
+ * table being created or refreshed and the entry being removed because it is stale.
+ * New ARP requests are sent for ARP cache entries that are nearing their maximum
+ * age.  ipconfigMAX_ARP_AGE is specified in tens of seconds, so a value of 150 is
+ * equal to 1500 seconds (or 25 minutes). */
+#define ipconfigMAX_ARP_AGE                                   150
+
+/* Implementing FreeRTOS_inet_addr() necessitates the use of string handling
+ * routines, which are relatively large.  To save code space the full
+ * FreeRTOS_inet_addr() implementation is made optional, and a smaller and faster
+ * alternative called FreeRTOS_inet_addr_quick() is provided.  FreeRTOS_inet_addr()
+ * takes an IP in decimal dot format (for example, "192.168.0.1") as its parameter.
+ * FreeRTOS_inet_addr_quick() takes an IP address as four separate numerical octets
+ * (for example, 192, 168, 0, 1) as its parameters.  If
+ * ipconfigINCLUDE_FULL_INET_ADDR is set to 1 then both FreeRTOS_inet_addr() and
+ * FreeRTOS_indet_addr_quick() are available.  If ipconfigINCLUDE_FULL_INET_ADDR is
+ * not set to 1 then only FreeRTOS_indet_addr_quick() is available. */
+#define ipconfigINCLUDE_FULL_INET_ADDR                        1
+
+/* ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS defines the total number of network buffer that
+ * are available to the IP stack.  The total number of network buffers is limited
+ * to ensure the total amount of RAM that can be consumed by the IP stack is capped
+ * to a pre-determinable value. */
+#define ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS                60
+
+/* A FreeRTOS queue is used to send events from application tasks to the IP
+ * stack.  ipconfigEVENT_QUEUE_LENGTH sets the maximum number of events that can
+ * be queued for processing at any one time.  The event queue must be a minimum of
+ * 5 greater than the total number of network buffers. */
+#define ipconfigEVENT_QUEUE_LENGTH                            ( ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS + 5 )
+
+/* The address of a socket is the combination of its IP address and its port
+ * number.  FreeRTOS_bind() is used to manually allocate a port number to a socket
+ * (to 'bind' the socket to a port), but manual binding is not normally necessary
+ * for client sockets (those sockets that initiate outgoing connections rather than
+ * wait for incoming connections on a known port number).  If
+ * ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND is set to 1 then calling
+ * FreeRTOS_sendto() on a socket that has not yet been bound will result in the IP
+ * stack automatically binding the socket to a port number from the range
+ * socketAUTO_PORT_ALLOCATION_START_NUMBER to 0xffff.  If
+ * ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND is set to 0 then calling FreeRTOS_sendto()
+ * on a socket that has not yet been bound will result in the send operation being
+ * aborted. */
+#define ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND                1
+
+/* Defines the Time To Live (TTL) values used in outgoing UDP packets. */
+#define ipconfigUDP_TIME_TO_LIVE                              128
+#define ipconfigTCP_TIME_TO_LIVE                              128 /* also defined in FreeRTOSIPConfigDefaults.h */
+
+/* USE_TCP: Use TCP and all its features */
+#define ipconfigUSE_TCP                                       ( 1 )
+
+/* Use the TCP socket wake context with a callback. */
+#define ipconfigSOCKET_HAS_USER_WAKE_CALLBACK_WITH_CONTEXT    ( 1 )
+
+/* USE_WIN: Let TCP use windowing mechanism. */
+#define ipconfigUSE_TCP_WIN                                   ( 1 )
+
+/* The MTU is the maximum number of bytes the payload of a network frame can
+ * contain.  For normal Ethernet V2 frames the maximum MTU is 1500.  Setting a
+ * lower value can save RAM, depending on the buffer management scheme used.  If
+ * ipconfigCAN_FRAGMENT_OUTGOING_PACKETS is 1 then (ipconfigNETWORK_MTU - 28) must
+ * be divisible by 8. */
+#define ipconfigNETWORK_MTU                                   1200
+
+/* Set ipconfigUSE_DNS to 1 to include a basic DNS client/resolver.  DNS is used
+ * through the FreeRTOS_gethostbyname() API function. */
+#define ipconfigUSE_DNS                                       1
+
+/* If ipconfigREPLY_TO_INCOMING_PINGS is set to 1 then the IP stack will
+ * generate replies to incoming ICMP echo (ping) requests. */
+#define ipconfigREPLY_TO_INCOMING_PINGS                       1
+
+/* If ipconfigSUPPORT_OUTGOING_PINGS is set to 1 then the
+ * FreeRTOS_SendPingRequest() API function is available. */
+#define ipconfigSUPPORT_OUTGOING_PINGS                        0
+
+/* If ipconfigSUPPORT_SELECT_FUNCTION is set to 1 then the FreeRTOS_select()
+ * (and associated) API function is available. */
+#define ipconfigSUPPORT_SELECT_FUNCTION                       1
+
+/* If ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES is set to 1 then Ethernet frames
+ * that are not in Ethernet II format will be dropped.  This option is included for
+ * potential future IP stack developments. */
+#define ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES             1
+
+/* If ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES is set to 1 then it is the
+ * responsibility of the Ethernet interface to filter out packets that are of no
+ * interest.  If the Ethernet interface does not implement this functionality, then
+ * set ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES to 0 to have the IP stack
+ * perform the filtering instead (it is much less efficient for the stack to do it
+ * because the packet will already have been passed into the stack).  If the
+ * Ethernet driver does all the necessary filtering in hardware then software
+ * filtering can be removed by using a value other than 1 or 0. */
+#define ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES           1
+
+/* The windows simulator cannot really simulate MAC interrupts, and needs to
+ * block occasionally to allow other tasks to run. */
+#define configWINDOWS_MAC_INTERRUPT_SIMULATOR_DELAY           ( 20 / portTICK_PERIOD_MS )
+
+/* Advanced only: in order to access 32-bit fields in the IP packets with
+ * 32-bit memory instructions, all packets will be stored 32-bit-aligned, plus 16-bits.
+ * This has to do with the contents of the IP-packets: all 32-bit fields are
+ * 32-bit-aligned, plus 16-bit(!) */
+#define ipconfigPACKET_FILLER_SIZE                            2
+
+/* Define the size of the pool of TCP window descriptors.  On the average, each
+ * TCP socket will use up to 2 x 6 descriptors, meaning that it can have 2 x 6
+ * outstanding packets (for Rx and Tx).  When using up to 10 TP sockets
+ * simultaneously, one could define TCP_WIN_SEG_COUNT as 120. */
+#define ipconfigTCP_WIN_SEG_COUNT                             240
+
+/* Each TCP socket has a circular buffers for Rx and Tx, which have a fixed
+ * maximum size.  Define the size of Rx buffer for TCP sockets. */
+#define ipconfigTCP_RX_BUFFER_LENGTH                          ( 5000 )
+
+/* Define the size of Tx buffer for TCP sockets. */
+#define ipconfigTCP_TX_BUFFER_LENGTH                          ( 1000 )
+
+/* When using call-back handlers, the driver may check if the handler points to
+ * real program memory (RAM or flash) or just has a random non-zero value. */
+#define ipconfigIS_VALID_PROG_ADDRESS( x )    ( ( x ) != NULL )
+
+/* Include support for TCP hang protection.  All sockets in a connecting or
+ * disconnecting stage will timeout after a period of non-activity. */
+#define ipconfigTCP_HANG_PROTECTION         ( 1 )
+#define ipconfigTCP_HANG_PROTECTION_TIME    ( 30 )
+
+/* Include support for TCP keep-alive messages. */
+#define ipconfigTCP_KEEP_ALIVE              ( 1 )
+#define ipconfigTCP_KEEP_ALIVE_INTERVAL     ( 20 ) /* in seconds */
+
+#define portINLINE                          __inline
+
+#endif /* FREERTOS_IP_CONFIG_H */

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+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_internal.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_ticket.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\threading.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\timing.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\version.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\x509.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\x509_crl.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\x509_crt.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\x509_csr.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\xtea.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="metrics_collector.h" />
+    <ClInclude Include="report_builder.h" />
+    <ClInclude Include="..\..\Mqtt_Demo_Helpers\mqtt_demo_helpers.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\device-defender\source\include\defender.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\device-defender\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\device-defender\source\include\defender_config_defaults.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\device-defender\include</Filter>
+    </ClInclude>
+    <ClInclude Include="core_mqtt_config.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="defender_config.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="demo_config.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="FreeRTOSConfig.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="FreeRTOSIPConfig.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\FreeRTOS-Plus-TCP\tools\tcp_utilities\include\tcp_netstat.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\tcp_utilities\include</Filter>
+    </ClInclude>
+    <ClInclude Include="mbedtls_config.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\FreeRTOS-Plus\Source\Utilities\logging\logging.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\logging</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\FreeRTOS-Plus\Source\Utilities\logging\logging_levels.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\logging</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\FreeRTOS-Plus\Source\Utilities\logging\logging_stack.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\logging</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\coreMQTT\source\include\core_mqtt_config_defaults.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\standard\coreMQTT\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Utilities\backoff_algorithm\source\include\backoff_algorithm.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\backoff_algorithm\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\FreeRTOS-Plus-TCP\include\FreeRTOS_errno_TCP.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\coreJSON\source\include\core_json.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\standard\coreJSON\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\error.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\error.h" />
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\network_transport\using_mbedtls\using_mbedtls\using_mbedtls.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\transport\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\network_transport\sockets_wrapper\freertos_plus_tcp\sockets_wrapper.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\transport\include</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>

FreeRTOS-Plus/Demo/AWS/Device_Defender_Windows_Simulator/Device_Defender_Demo/core_mqtt_config.h

@@ -0,0 +1,96 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef CORE_MQTT_CONFIG_H
+#define CORE_MQTT_CONFIG_H
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Include logging header files and define logging macros in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define the LIBRARY_LOG_NAME and LIBRARY_LOG_LEVEL macros depending on
+ * the logging configuration for MQTT.
+ * 3. Include the header file "logging_stack.h", if logging is enabled for MQTT.
+ */
+
+#include "logging_levels.h"
+
+/* Logging configuration for the MQTT library. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME    "MQTT"
+#endif
+
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_ERROR
+#endif
+
+/* Prototype for the function used to print to console on Windows simulator
+ * of FreeRTOS.
+ * The function prints to the console before the network is connected;
+ * then a UDP port after the network has connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Map the SdkLog macro to the logging function to enable logging
+ * on Windows simulator. */
+#ifndef SdkLog
+    #define SdkLog( message )    vLoggingPrintf message
+#endif
+
+#include "logging_stack.h"
+
+/************ End of logging configuration ****************/
+
+/**
+ * @brief Determines the maximum number of MQTT PUBLISH messages, pending
+ * acknowledgement at a time, that are supported for incoming and outgoing
+ * direction of messages, separately.
+ *
+ * QoS 1 and 2 MQTT PUBLISHes require acknowledgement from the server before
+ * they can be completed. While they are awaiting the acknowledgement, the
+ * client must maintain information about their state. The value of this
+ * macro sets the limit on how many simultaneous PUBLISH states an MQTT
+ * context maintains, separately, for both incoming and outgoing direction of
+ * PUBLISHes.
+ *
+ * @note The MQTT context maintains separate state records for outgoing
+ * and incoming PUBLISHes, and thus, 2 * MQTT_STATE_ARRAY_MAX_COUNT amount
+ * of memory is statically allocated for the state records.
+ */
+#define MQTT_STATE_ARRAY_MAX_COUNT    ( 10U )
+
+/**
+ * @brief Number of milliseconds to wait for a ping response to a ping
+ * request as part of the keep-alive mechanism.
+ *
+ * If a ping response is not received before this timeout, then
+ * #MQTT_ProcessLoop will return #MQTTKeepAliveTimeout.
+ */
+#define MQTT_PINGRESP_TIMEOUT_MS      ( 5000U )
+
+#endif /* ifndef CORE_MQTT_CONFIG_H */

FreeRTOS-Plus/Demo/AWS/Device_Defender_Windows_Simulator/Device_Defender_Demo/defender_config.h

@@ -0,0 +1,95 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef DEFENDER_CONFIG_H_
+#define DEFENDER_CONFIG_H_
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Include logging header files and define logging macros in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define the LIBRARY_LOG_NAME and LIBRARY_LOG_LEVEL macros.
+ * 3. Include the header file "logging_stack.h".
+ */
+
+#include "logging_levels.h"
+
+/* Logging configuration for the Defender library. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME    "Defender"
+#endif
+
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_INFO
+#endif
+
+#include "logging_stack.h"
+
+/************ End of logging configuration ****************/
+
+/**
+ * AWS IoT Device Defender Service supports both long and short names for keys
+ * in the report sent by a device. For example,
+ *
+ * A device defender report using long key names:
+ * {
+ *     "header": {
+ *         "report_id": 1530304554,
+ *         "version": "1.0"
+ *     },
+ *     "metrics": {
+ *         "network_stats": {
+ *             "bytes_in": 29358693495,
+ *             "bytes_out": 26485035,
+ *             "packets_in": 10013573555,
+ *             "packets_out": 11382615
+ *         }
+ *     }
+ * }
+ *
+ * An equivalent report using short key names:
+ * {
+ *     "hed": {
+ *         "rid": 1530304554,
+ *         "v": "1.0"
+ *     },
+ *     "met": {
+ *         "ns": {
+ *             "bi": 29358693495,
+ *             "bo": 26485035,
+ *             "pi": 10013573555,
+ *             "po": 11382615
+ *         }
+ *     }
+ * }
+ *
+ * Set to 1 to enable use of long key names in the defender report.
+ */
+#define DEFENDER_USE_LONG_KEYS    0
+
+#endif /* ifndef DEFENDER_CONFIG_H_ */

FreeRTOS-Plus/Demo/AWS/Device_Defender_Windows_Simulator/Device_Defender_Demo/defender_demo.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29215.179
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "RTOSDemo", "WIN32.vcxproj", "{C686325E-3261-42F7-AEB1-DDE5280E1CEB}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C686325E-3261-42F7-AEB1-DDE5280E1CEB}.Debug|Win32.ActiveCfg = Debug|Win32
+		{C686325E-3261-42F7-AEB1-DDE5280E1CEB}.Debug|Win32.Build.0 = Debug|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {150F08BF-9D61-4CC2-8DBF-1335172A1EA4}
+	EndGlobalSection
+	GlobalSection(TestCaseManagementSettings) = postSolution
+		CategoryFile = FreeRTOS_Plus_TCP_Minimal.vsmdi
+	EndGlobalSection
+EndGlobal

FreeRTOS-Plus/Demo/AWS/Device_Defender_Windows_Simulator/Device_Defender_Demo/demo_config.h

@@ -0,0 +1,288 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef DEMO_CONFIG_H
+#define DEMO_CONFIG_H
+
+/* FreeRTOS config include. */
+#include "FreeRTOSConfig.h"
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Include logging header files and define logging macros in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define the LIBRARY_LOG_NAME and LIBRARY_LOG_LEVEL macros depending on
+ * the logging configuration for DEMO.
+ * 3. Include the header file "logging_stack.h", if logging is enabled for DEMO.
+ */
+
+#include "logging_levels.h"
+
+/* Logging configuration for the Demo. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME    "DefenderDemo"
+#endif
+
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_INFO
+#endif
+
+/* Prototype for the function used to print to console on Windows simulator
+ * of FreeRTOS.
+ * The function prints to the console before the network is connected;
+ * then a UDP port after the network has connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Map the SdkLog macro to the logging function to enable logging
+ * on Windows simulator. */
+#ifndef SdkLog
+    #define SdkLog( message )    vLoggingPrintf message
+#endif
+
+#include "logging_stack.h"
+
+
+/************ End of logging configuration ****************/
+
+/**
+ * @brief The Thing resource registered on your AWS IoT account to use in the demo.
+ * A Thing resource is required to communicate with the AWS IoT Device Shadow service.
+ *
+ * @note The Things associated with your AWS account can be found in the
+ * AWS IoT console under Manage/Things, or using the ListThings REST API (that can
+ * be called with the AWS CLI command line tool).
+ *
+ * #define democonfigTHING_NAME    "...insert here..."
+ */
+
+#ifndef democonfigCLIENT_IDENTIFIER
+
+/**
+ * @brief The MQTT client identifier used in this example.  Each client identifier
+ * must be unique so edit as required to ensure no two clients connecting to the
+ * same broker use the same client identifier.
+ *
+ * @note Appending __TIME__ to the client id string will reduce the possibility of a
+ * client id collision in the broker. Note that the appended time is the compilation
+ * time. This client id can cause collision, if more than one instance of the same
+ * binary is used at the same time to connect to the broker.
+ */
+    #define democonfigCLIENT_IDENTIFIER    "testClient"__TIME__
+#endif
+
+/**
+ * @brief The AWS IoT broker endpoint to connect to in the demo.
+ *
+ * @note Your AWS IoT Core endpoint can be found in the AWS IoT console under
+ * Settings/Custom Endpoint, or using the DescribeEndpoint REST API (that can
+ * be called with AWS CLI command line tool).
+ *
+ * #define democonfigMQTT_BROKER_ENDPOINT    "...insert here..."
+ */
+
+/**
+ * @brief The port to use for the demo.
+ *
+ * In general, port 8883 is for secured MQTT connections.
+ *
+ * @note Port 443 requires use of the ALPN TLS extension with the ALPN protocol
+ * name. Using ALPN with this demo would require additional changes, including
+ * setting the `pAlpnProtos` member of the `NetworkCredentials_t` struct before
+ * forming the TLS connection. When using port 8883, ALPN is not required.
+ *
+ * #define democonfigMQTT_BROKER_PORT    ( insert here. )
+ */
+
+/**
+ * @brief AWS root CA certificate.
+ *
+ * This certificate is used to identify the AWS IoT server and is publicly available.
+ * Refer to the link below.
+ * https://www.amazontrust.com/repository/AmazonRootCA1.pem
+ *
+ * @note This certificate should be PEM-encoded.
+ *
+ * Must include the PEM header and footer:
+ * "-----BEGIN CERTIFICATE-----\n"\
+ * "...base64 data...\n"\
+ * "-----END CERTIFICATE-----\n"
+ *
+ * #define democonfigROOT_CA_PEM    "...insert here..."
+ */
+
+/**
+ * @brief Client certificate.
+ *
+ * Please refer to the AWS documentation below for details
+ * regarding client authentication.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/client-authentication.html
+ *
+ * @note This certificate should be PEM-encoded.
+ *
+ * Must include the PEM header and footer:
+ * "-----BEGIN CERTIFICATE-----\n"\
+ * "...base64 data...\n"\
+ * "-----END CERTIFICATE-----\n"
+ *
+ * #define democonfigCLIENT_CERTIFICATE_PEM    "...insert here..."
+ */
+
+/**
+ * @brief Client's private key.
+ *
+ * Please refer to the AWS documentation below for details
+ * regarding client authentication.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/client-authentication.html
+ *
+ * @note This private key should be PEM-encoded.
+ *
+ * Must include the PEM header and footer:
+ * "-----BEGIN RSA PRIVATE KEY-----\n"\
+ * "...base64 data...\n"\
+ * "-----END RSA PRIVATE KEY-----\n"
+ *
+ * #define democonfigCLIENT_PRIVATE_KEY_PEM    "...insert here..."
+ */
+
+/**
+ * @brief The username value for authenticating client to the MQTT broker when
+ * username/password based client authentication is used.
+ *
+ * Please refer to the AWS IoT documentation below for
+ * details regarding client authentication with a username and password.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
+ * An authorizer setup needs to be done, as mentioned in the above link, to use
+ * username/password based client authentication.
+ *
+ * #define democonfigCLIENT_USERNAME    "...insert here..."
+ */
+
+/**
+ * @brief The password value for authenticating client to the MQTT broker when
+ * username/password based client authentication is used.
+ *
+ * Please refer to the AWS IoT documentation below for
+ * details regarding client authentication with a username and password.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
+ * An authorizer setup needs to be done, as mentioned in the above link, to use
+ * username/password based client authentication.
+ *
+ * #define democonfigCLIENT_PASSWORD    "...insert here..."
+ */
+
+/**
+ * @brief The name of the operating system that the application is running on.
+ * The current value is given as an example. Please update for your specific
+ * operating system.
+ */
+#define democonfigOS_NAME                   "FreeRTOS"
+
+/**
+ * @brief The version of the operating system that the application is running
+ * on. The current value is given as an example. Please update for your specific
+ * operating system version.
+ */
+#define democonfigOS_VERSION                tskKERNEL_VERSION_NUMBER
+
+/**
+ * @brief The name of the hardware platform the application is running on. The
+ * current value is given as an example. Please update for your specific
+ * hardware platform.
+ */
+#define democonfigHARDWARE_PLATFORM_NAME    "WinSim"
+
+/**
+ * @brief The name of the MQTT library used and its version, following an "@"
+ * symbol.
+ */
+#include "core_mqtt.h" /* Include coreMQTT header for MQTT_LIBRARY_VERSION macro. */
+#define democonfigMQTT_LIB                               "core-mqtt@"MQTT_LIBRARY_VERSION
+
+/**
+ * @brief Set the stack size of the main demo task.
+ *
+ * In the Windows port, this stack only holds a structure. The actual
+ * stack is created by an operating system thread.
+ */
+#define democonfigDEMO_STACKSIZE                         configMINIMAL_STACK_SIZE
+
+/**
+ * @brief Size of the network buffer for MQTT packets.
+ */
+#define democonfigNETWORK_BUFFER_SIZE                    ( 1024U )
+
+/**
+ * @brief Size of the open TCP ports array.
+ *
+ * A maximum of these many open TCP ports will be sent in the device defender
+ * report.
+ */
+#define democonfigOPEN_TCP_PORTS_ARRAY_SIZE              10
+
+/**
+ * @brief Size of the open UDP ports array.
+ *
+ * A maximum of these many open UDP ports will be sent in the device defender
+ * report.
+ */
+#define democonfigOPEN_UDP_PORTS_ARRAY_SIZE              10
+
+/**
+ * @brief Size of the established connections array.
+ *
+ * A maximum of these many established connections will be sent in the device
+ * defender report.
+ */
+#define democonfigESTABLISHED_CONNECTIONS_ARRAY_SIZE     10
+
+/**
+ * @brief Size of the task numbers array.
+ *
+ * This must be at least the number of tasks used.
+ */
+#define democonfigCUSTOM_METRICS_TASKS_ARRAY_SIZE        10
+
+/**
+ * @brief Size of the buffer which contains the generated device defender report.
+ *
+ * If the generated report is larger than this, it is rejected.
+ */
+#define democonfigDEVICE_METRICS_REPORT_BUFFER_SIZE      1000
+
+/**
+ * @brief Major version number of the device defender report.
+ */
+#define democonfigDEVICE_METRICS_REPORT_MAJOR_VERSION    1
+
+/**
+ * @brief Minor version number of the device defender report.
+ */
+#define democonfigDEVICE_METRICS_REPORT_MINOR_VERSION    0
+
+#endif /* DEMO_CONFIG_H */

FreeRTOS-Plus/Demo/AWS/Device_Defender_Windows_Simulator/Device_Defender_Demo/main.c

@@ -0,0 +1,381 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/***
+ * See https://www.FreeRTOS.org/iot-device-defender for configuration and usage instructions.
+ ***/
+
+/* Standard includes. */
+#include <stdio.h>
+#include <time.h>
+#include <stdint.h>
+
+/* Visual studio intrinsics used so the __debugbreak() function is available
+ * should an assert get hit. */
+#include <intrin.h>
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* TCP/IP stack includes. */
+#include "FreeRTOS_IP.h"
+#include "FreeRTOS_Sockets.h"
+
+/* Demo logging includes. */
+#include "logging.h"
+
+/* Demo Specific configs. */
+#include "demo_config.h"
+
+
+/*
+ * Prototypes for the demos that can be started from this project.  Note the
+ * Defender demo is not actually started until the network is already, which is
+ * indicated by vApplicationIPNetworkEventHook() executing - hence
+ * vStartDefenderDemo() is called from inside vApplicationIPNetworkEventHook().
+ */
+extern void vStartDefenderDemo( void );
+
+/*
+ * Just seeds the simple pseudo random number generator.
+ *
+ * !!! NOTE !!!
+ * This is not a secure method of generating random numbers and production
+ * devices should use a true random number generator (TRNG).
+ */
+static void prvSRand( UBaseType_t ulSeed );
+
+/*
+ * Miscellaneous initialization including preparing the logging and seeding the
+ * random number generator.
+ */
+static void prvMiscInitialisation( void );
+
+/* The default IP and MAC address used by the demo.  The address configuration
+ * defined here will be used if ipconfigUSE_DHCP is 0, or if ipconfigUSE_DHCP is
+ * 1 but a DHCP server could not be contacted.  See the online documentation for
+ * more information. */
+static const uint8_t ucIPAddress[ 4 ] = { configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 };
+static const uint8_t ucNetMask[ 4 ] = { configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 };
+static const uint8_t ucGatewayAddress[ 4 ] = { configGATEWAY_ADDR0, configGATEWAY_ADDR1, configGATEWAY_ADDR2, configGATEWAY_ADDR3 };
+static const uint8_t ucDNSServerAddress[ 4 ] = { configDNS_SERVER_ADDR0, configDNS_SERVER_ADDR1, configDNS_SERVER_ADDR2, configDNS_SERVER_ADDR3 };
+
+/* Set the following constant to pdTRUE to log using the method indicated by the
+ * name of the constant, or pdFALSE to not log using the method indicated by the
+ * name of the constant.  Options include to standard out (xLogToStdout), to a disk
+ * file (xLogToFile), and to a UDP port (xLogToUDP).  If xLogToUDP is set to pdTRUE
+ * then UDP messages are sent to the IP address configured as the UDP logging server
+ * address (see the configUDP_LOGGING_ADDR0 definitions in FreeRTOSConfig.h) and
+ * the port number set by configPRINT_PORT in FreeRTOSConfig.h. */
+const BaseType_t xLogToStdout = pdTRUE, xLogToFile = pdFALSE, xLogToUDP = pdFALSE;
+
+/* Default MAC address configuration.  The demo creates a virtual network
+ * connection that uses this MAC address by accessing the raw Ethernet data
+ * to and from a real network connection on the host PC.  See the
+ * configNETWORK_INTERFACE_TO_USE definition for information on how to configure
+ * the real network connection to use. */
+const uint8_t ucMACAddress[ 6 ] = { configMAC_ADDR0, configMAC_ADDR1, configMAC_ADDR2, configMAC_ADDR3, configMAC_ADDR4, configMAC_ADDR5 };
+
+/* Used by the pseudo random number generator. */
+static UBaseType_t ulNextRand;
+/*-----------------------------------------------------------*/
+
+int main( void )
+{
+    /***
+     * See https://www.FreeRTOS.org/iot-device-shadow for configuration and usage instructions.
+     ***/
+
+    /* Miscellaneous initialization including preparing the logging and seeding
+     * the random number generator. */
+    prvMiscInitialisation();
+
+    /* Initialize the network interface.
+     *
+     ***NOTE*** Tasks that use the network are created in the network event hook
+     * when the network is connected and ready for use (see the implementation of
+     * vApplicationIPNetworkEventHook() below).  The address values passed in here
+     * are used if ipconfigUSE_DHCP is set to 0, or if ipconfigUSE_DHCP is set to 1
+     * but a DHCP server cannot be contacted. */
+    FreeRTOS_IPInit( ucIPAddress, ucNetMask, ucGatewayAddress, ucDNSServerAddress, ucMACAddress );
+
+    /* Start the RTOS scheduler. */
+    vTaskStartScheduler();
+
+    /* If all is well, the scheduler will now be running, and the following
+     * line will never be reached.  If the following line does execute, then
+     * there was insufficient FreeRTOS heap memory available for the idle and/or
+     * timer tasks to be created.  See the memory management section on the
+     * FreeRTOS web site for more details (this is standard text that is not
+     * really applicable to the Win32 simulator port). */
+    for( ; ; )
+    {
+        __debugbreak();
+    }
+}
+/*-----------------------------------------------------------*/
+
+/* Called by FreeRTOS+TCP when the network connects or disconnects.  Disconnect
+ * events are only received if implemented in the MAC driver. */
+void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+{
+    uint32_t ulIPAddress, ulNetMask, ulGatewayAddress, ulDNSServerAddress;
+    char cBuffer[ 16 ];
+    static BaseType_t xTasksAlreadyCreated = pdFALSE;
+
+    /* If the network has just come up...*/
+    if( eNetworkEvent == eNetworkUp )
+    {
+        /* Create the tasks that use the IP stack if they have not already been
+         * created. */
+        if( xTasksAlreadyCreated == pdFALSE )
+        {
+            /* Demos that use the network are created after the network is
+             * up. */
+            LogInfo( ( "---------STARTING DEMO---------\r\n" ) );
+            vStartDefenderDemo();
+            xTasksAlreadyCreated = pdTRUE;
+        }
+
+        /* Print out the network configuration, which may have come from a DHCP
+         * server. */
+        FreeRTOS_GetAddressConfiguration( &ulIPAddress, &ulNetMask, &ulGatewayAddress, &ulDNSServerAddress );
+        FreeRTOS_inet_ntoa( ulIPAddress, cBuffer );
+        LogInfo( ( "\r\n\r\nIP Address: %s\r\n", cBuffer ) );
+
+        FreeRTOS_inet_ntoa( ulNetMask, cBuffer );
+        LogInfo( ( "Subnet Mask: %s\r\n", cBuffer ) );
+
+        FreeRTOS_inet_ntoa( ulGatewayAddress, cBuffer );
+        LogInfo( ( "Gateway Address: %s\r\n", cBuffer ) );
+
+        FreeRTOS_inet_ntoa( ulDNSServerAddress, cBuffer );
+        LogInfo( ( "DNS Server Address: %s\r\n\r\n\r\n", cBuffer ) );
+    }
+}
+/*-----------------------------------------------------------*/
+
+void vAssertCalled( const char * pcFile,
+                    uint32_t ulLine )
+{
+    volatile uint32_t ulBlockVariable = 0UL;
+    volatile char * pcFileName = ( volatile char * ) pcFile;
+    volatile uint32_t ulLineNumber = ulLine;
+
+    ( void ) pcFileName;
+    ( void ) ulLineNumber;
+
+    printf( "vAssertCalled( %s, %u\n", pcFile, ulLine );
+
+    /* Setting ulBlockVariable to a non-zero value in the debugger will allow
+     * this function to be exited. */
+    taskDISABLE_INTERRUPTS();
+    {
+        while( ulBlockVariable == 0UL )
+        {
+            __debugbreak();
+        }
+    }
+    taskENABLE_INTERRUPTS();
+}
+/*-----------------------------------------------------------*/
+
+UBaseType_t uxRand( void )
+{
+    const uint32_t ulMultiplier = 0x015a4e35UL, ulIncrement = 1UL;
+
+    /*
+     * Utility function to generate a pseudo random number.
+     *
+     * !!!NOTE!!!
+     * This is not a secure method of generating a random number.  Production
+     * devices should use a True Random Number Generator (TRNG).
+     */
+    ulNextRand = ( ulMultiplier * ulNextRand ) + ulIncrement;
+    return( ( int ) ( ulNextRand >> 16UL ) & 0x7fffUL );
+}
+/*-----------------------------------------------------------*/
+
+static void prvSRand( UBaseType_t ulSeed )
+{
+    /* Utility function to seed the pseudo random number generator. */
+    ulNextRand = ulSeed;
+}
+/*-----------------------------------------------------------*/
+
+static void prvMiscInitialisation( void )
+{
+    time_t xTimeNow;
+    uint32_t ulLoggingIPAddress;
+
+    ulLoggingIPAddress = FreeRTOS_inet_addr_quick( configUDP_LOGGING_ADDR0, configUDP_LOGGING_ADDR1, configUDP_LOGGING_ADDR2, configUDP_LOGGING_ADDR3 );
+    vLoggingInit( xLogToStdout, xLogToFile, xLogToUDP, ulLoggingIPAddress, configPRINT_PORT );
+
+    /*
+     * Seed random number generator.
+     *
+     * !!!NOTE!!!
+     * This is not a secure method of generating a random number.  Production
+     * devices should use a True Random Number Generator (TRNG).
+     */
+    time( &xTimeNow );
+    LogDebug( ( "Seed for randomizer: %lu\n", xTimeNow ) );
+    prvSRand( ( uint32_t ) xTimeNow );
+    LogDebug( ( "Random numbers: %08X %08X %08X %08X\n", ipconfigRAND32(), ipconfigRAND32(), ipconfigRAND32(), ipconfigRAND32() ) );
+}
+/*-----------------------------------------------------------*/
+
+#if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 ) || ( ipconfigDHCP_REGISTER_HOSTNAME == 1 )
+
+    const char * pcApplicationHostnameHook( void )
+    {
+        /* Assign the name "FreeRTOS" to this network node.  This function will
+         * be called during the DHCP: the machine will be registered with an IP
+         * address plus this name. */
+        return mainHOST_NAME;
+    }
+
+#endif
+/*-----------------------------------------------------------*/
+
+#if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 )
+
+    BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    {
+        BaseType_t xReturn;
+
+        /* Determine if a name lookup is for this node.  Two names are given
+         * to this node: that returned by pcApplicationHostnameHook() and that set
+         * by mainDEVICE_NICK_NAME. */
+        if( _stricmp( pcName, pcApplicationHostnameHook() ) == 0 )
+        {
+            xReturn = pdPASS;
+        }
+        else if( _stricmp( pcName, mainDEVICE_NICK_NAME ) == 0 )
+        {
+            xReturn = pdPASS;
+        }
+        else
+        {
+            xReturn = pdFAIL;
+        }
+
+        return xReturn;
+    }
+
+#endif /* if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 ) */
+/*-----------------------------------------------------------*/
+
+/*
+ * Callback that provides the inputs necessary to generate a randomized TCP
+ * Initial Sequence Number per RFC 6528.  THIS IS ONLY A DUMMY IMPLEMENTATION
+ * THAT RETURNS A PSEUDO RANDOM NUMBER SO IS NOT INTENDED FOR USE IN PRODUCTION
+ * SYSTEMS.
+ */
+extern uint32_t ulApplicationGetNextSequenceNumber( uint32_t ulSourceAddress,
+                                                    uint16_t usSourcePort,
+                                                    uint32_t ulDestinationAddress,
+                                                    uint16_t usDestinationPort )
+{
+    ( void ) ulSourceAddress;
+    ( void ) usSourcePort;
+    ( void ) ulDestinationAddress;
+    ( void ) usDestinationPort;
+
+    return uxRand();
+}
+/*-----------------------------------------------------------*/
+
+/*
+ * Set *pulNumber to a random number, and return pdTRUE. When the random number
+ * generator is broken, it shall return pdFALSE.
+ * The macros ipconfigRAND32() and configRAND32() are not in use
+ * anymore in FreeRTOS+TCP.
+ *
+ * THIS IS ONLY A DUMMY IMPLEMENTATION THAT RETURNS A PSEUDO RANDOM NUMBER SO IS
+ * NOT INTENDED FOR USE IN PRODUCTION SYSTEMS.
+ */
+BaseType_t xApplicationGetRandomNumber( uint32_t * pulNumber )
+{
+    *pulNumber = uxRand();
+    return pdTRUE;
+}
+/*-----------------------------------------------------------*/
+
+/* configUSE_STATIC_ALLOCATION is set to 1, so the application must provide an
+ * implementation of vApplicationGetIdleTaskMemory() to provide the memory that is
+ * used by the Idle task. */
+void vApplicationGetIdleTaskMemory( StaticTask_t ** ppxIdleTaskTCBBuffer,
+                                    StackType_t ** ppxIdleTaskStackBuffer,
+                                    uint32_t * pulIdleTaskStackSize )
+{
+    /* If the buffers to be provided to the Idle task are declared inside this
+     * function then they must be declared static - otherwise they will be allocated on
+     * the stack and so not exists after this function exits. */
+    static StaticTask_t xIdleTaskTCB;
+    static StackType_t uxIdleTaskStack[ configMINIMAL_STACK_SIZE ];
+
+    /* Pass out a pointer to the StaticTask_t structure in which the Idle task's
+     * state will be stored. */
+    *ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
+
+    /* Pass out the array that will be used as the Idle task's stack. */
+    *ppxIdleTaskStackBuffer = uxIdleTaskStack;
+
+    /* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
+     * Note that, as the array is necessarily of type StackType_t,
+     * configMINIMAL_STACK_SIZE is specified in words, not bytes. */
+    *pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
+}
+/*-----------------------------------------------------------*/
+
+/* configUSE_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
+ * application must provide an implementation of vApplicationGetTimerTaskMemory()
+ * to provide the memory that is used by the Timer service task. */
+void vApplicationGetTimerTaskMemory( StaticTask_t ** ppxTimerTaskTCBBuffer,
+                                     StackType_t ** ppxTimerTaskStackBuffer,
+                                     uint32_t * pulTimerTaskStackSize )
+{
+    /* If the buffers to be provided to the Timer task are declared inside this
+     * function then they must be declared static - otherwise they will be allocated on
+     * the stack and so not exists after this function exits. */
+    static StaticTask_t xTimerTaskTCB;
+    static StackType_t uxTimerTaskStack[ configTIMER_TASK_STACK_DEPTH ];
+
+    /* Pass out a pointer to the StaticTask_t structure in which the Timer
+     * task's state will be stored. */
+    *ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
+
+    /* Pass out the array that will be used as the Timer task's stack. */
+    *ppxTimerTaskStackBuffer = uxTimerTaskStack;
+
+    /* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
+     * Note that, as the array is necessarily of type StackType_t,
+     * configMINIMAL_STACK_SIZE is specified in words, not bytes. */
+    *pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
+}
+/*-----------------------------------------------------------*/

FreeRTOS-Plus/Demo/AWS/Device_Defender_Windows_Simulator/Device_Defender_Demo/mbedtls_config.h

@@ -0,0 +1,137 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/* This file configures mbed TLS for FreeRTOS. */
+
+#ifndef MBEDTLS_CONFIG_H_
+#define MBEDTLS_CONFIG_H_
+
+/* FreeRTOS include. */
+#include "FreeRTOS.h"
+
+/* Generate errors if deprecated functions are used. */
+#define MBEDTLS_DEPRECATED_REMOVED
+
+/* Place AES tables in ROM. */
+#define MBEDTLS_AES_ROM_TABLES
+
+/* Enable the following cipher modes. */
+#define MBEDTLS_CIPHER_MODE_CBC
+#define MBEDTLS_CIPHER_MODE_CFB
+#define MBEDTLS_CIPHER_MODE_CTR
+
+/* Enable the following cipher padding modes. */
+#define MBEDTLS_CIPHER_PADDING_PKCS7
+#define MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS
+#define MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN
+#define MBEDTLS_CIPHER_PADDING_ZEROS
+
+/* Cipher suite configuration. */
+#define MBEDTLS_REMOVE_ARC4_CIPHERSUITES
+#define MBEDTLS_ECP_DP_SECP256R1_ENABLED
+#define MBEDTLS_ECP_NIST_OPTIM
+#define MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
+#define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
+
+/* Enable all SSL alert messages. */
+#define MBEDTLS_SSL_ALL_ALERT_MESSAGES
+
+/* Enable the following SSL features. */
+#define MBEDTLS_SSL_ENCRYPT_THEN_MAC
+#define MBEDTLS_SSL_EXTENDED_MASTER_SECRET
+#define MBEDTLS_SSL_MAX_FRAGMENT_LENGTH
+#define MBEDTLS_SSL_PROTO_TLS1_2
+#define MBEDTLS_SSL_ALPN
+#define MBEDTLS_SSL_SERVER_NAME_INDICATION
+
+/* Check certificate key usage. */
+#define MBEDTLS_X509_CHECK_KEY_USAGE
+#define MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE
+
+/* Disable platform entropy functions. */
+#define MBEDTLS_NO_PLATFORM_ENTROPY
+
+/* Enable the following mbed TLS features. */
+#define MBEDTLS_AES_C
+#define MBEDTLS_ASN1_PARSE_C
+#define MBEDTLS_ASN1_WRITE_C
+#define MBEDTLS_BASE64_C
+#define MBEDTLS_BIGNUM_C
+#define MBEDTLS_CIPHER_C
+#define MBEDTLS_CTR_DRBG_C
+#define MBEDTLS_ECDH_C
+#define MBEDTLS_ECDSA_C
+#define MBEDTLS_ECP_C
+#define MBEDTLS_ENTROPY_C
+#define MBEDTLS_ERROR_C
+#define MBEDTLS_GCM_C
+#define MBEDTLS_MD_C
+#define MBEDTLS_OID_C
+#define MBEDTLS_PEM_PARSE_C
+#define MBEDTLS_PK_C
+#define MBEDTLS_PK_PARSE_C
+#define MBEDTLS_PKCS1_V15
+#define MBEDTLS_PLATFORM_C
+#define MBEDTLS_RSA_C
+#define MBEDTLS_SHA1_C
+#define MBEDTLS_SHA256_C
+#define MBEDTLS_SSL_CLI_C
+#define MBEDTLS_SSL_TLS_C
+#define MBEDTLS_THREADING_ALT
+#define MBEDTLS_THREADING_C
+#define MBEDTLS_X509_USE_C
+#define MBEDTLS_X509_CRT_PARSE_C
+
+/* Set the memory allocation functions on FreeRTOS. */
+void * mbedtls_platform_calloc( size_t nmemb,
+                                size_t size );
+void mbedtls_platform_free( void * ptr );
+#define MBEDTLS_PLATFORM_MEMORY
+#define MBEDTLS_PLATFORM_CALLOC_MACRO    mbedtls_platform_calloc
+#define MBEDTLS_PLATFORM_FREE_MACRO      mbedtls_platform_free
+
+/* The network send and receive functions on FreeRTOS. */
+int mbedtls_platform_send( void * ctx,
+                           const unsigned char * buf,
+                           size_t len );
+int mbedtls_platform_recv( void * ctx,
+                           unsigned char * buf,
+                           size_t len );
+
+/* These two macro used by mbedtls_ssl_set_bio in using_mbedtls network
+ * transport layer. */
+#define MBEDTLS_SSL_SEND mbedtls_platform_send
+#define MBEDTLS_SSL_RECV mbedtls_platform_recv
+
+/* The entropy poll function. */
+int mbedtls_platform_entropy_poll( void * data,
+                                   unsigned char * output,
+                                   size_t len,
+                                   size_t * olen );
+
+#include "mbedtls/check_config.h"
+
+#endif /* ifndef MBEDTLS_CONFIG_H_ */

FreeRTOS-Plus/Demo/AWS/Device_Defender_Windows_Simulator/Device_Defender_Demo/metrics_collector.c

@@ -0,0 +1,270 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/**
+ * @file metrics_collector.c
+ *
+ * @brief Functions used by the defender demo to collect metrics on the
+ * device's open ports and sockets. FreeRTOS+TCP tcp_netstat utility
+ * is used to collect this metrics.
+ */
+
+/* Standard includes. */
+#include <stdio.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+#include "FreeRTOS_IP.h"
+
+/* Demo config. */
+#include "demo_config.h"
+
+/* Interface include. */
+#include "metrics_collector.h"
+/*-----------------------------------------------------------*/
+
+eMetricsCollectorStatus eGetNetworkStats( NetworkStats_t * pxOutNetworkStats )
+{
+    eMetricsCollectorStatus eStatus = eMetricsCollectorSuccess;
+
+    MetricsType_t xMetrics = { 0 };
+    BaseType_t xMetricsStatus = 0;
+
+    configASSERT( pxOutNetworkStats != NULL );
+
+    /* Start with everything as zero. */
+    memset( pxOutNetworkStats, 0, sizeof( NetworkStats_t ) );
+
+    /* Get metrics from FreeRTOS+TCP tcp_netstat utility. */
+    xMetricsStatus = vGetMetrics( &xMetrics );
+
+    if( xMetricsStatus != 0 )
+    {
+        LogError( ( "Failed to acquire metrics from FreeRTOS+TCP tcp_netstat utility. Status: %d.",
+                    ( int ) xMetricsStatus ) );
+        eStatus = eMetricsCollectorCollectionFailed;
+    }
+
+    /* Fill our response with values gotten from FreeRTOS+TCP. */
+    if( eStatus == eMetricsCollectorSuccess )
+    {
+        LogDebug( ( "Network stats read. Bytes received: %lu, packets received: %lu, "
+                    "bytes sent: %lu, packets sent: %lu.",
+                    ( unsigned long ) xMetrics.xInput.uxByteCount,
+                    ( unsigned long ) xMetrics.xInput.uxPacketCount,
+                    ( unsigned long ) xMetrics.xOutput.uxByteCount,
+                    ( unsigned long ) xMetrics.xOutput.uxPacketCount ) );
+
+        pxOutNetworkStats->ulBytesReceived = xMetrics.xInput.uxByteCount;
+        pxOutNetworkStats->ulPacketsReceived = xMetrics.xInput.uxPacketCount;
+        pxOutNetworkStats->ulBytesSent = xMetrics.xOutput.uxByteCount;
+        pxOutNetworkStats->ulPacketsSent = xMetrics.xOutput.uxPacketCount;
+    }
+
+    return eStatus;
+}
+/*-----------------------------------------------------------*/
+
+eMetricsCollectorStatus eGetOpenTcpPorts( uint16_t * pusOutTcpPortsArray,
+                                          size_t xTcpPortsArrayLength,
+                                          size_t * pxOutNumTcpOpenPorts )
+{
+    eMetricsCollectorStatus eStatus = eMetricsCollectorSuccess;
+
+    MetricsType_t xMetrics = { 0 };
+    BaseType_t xMetricsStatus = 0;
+    size_t xCopyAmount = 0UL;
+
+    /* pusOutTcpPortsArray can be NULL. */
+    configASSERT( pxOutNumTcpOpenPorts != NULL );
+
+    /* Get metrics from FreeRTOS+TCP tcp_netstat utility. */
+    xMetricsStatus = vGetMetrics( &xMetrics );
+
+    if( xMetricsStatus != 0 )
+    {
+        LogError( ( "Failed to acquire metrics from FreeRTOS+TCP tcp_netstat utility. Status: %d.",
+                    ( int ) xMetricsStatus ) );
+        eStatus = eMetricsCollectorCollectionFailed;
+    }
+
+    if( eStatus == eMetricsCollectorSuccess )
+    {
+        /* Fill the output array with as many TCP ports as will fit in the
+         * given array. */
+        if( pusOutTcpPortsArray != NULL )
+        {
+            xCopyAmount = xMetrics.xTCPPortList.uxCount;
+
+            /* Limit the copied ports to what can fit in the output array. */
+            if( xTcpPortsArrayLength < xMetrics.xTCPPortList.uxCount )
+            {
+                LogWarn( ( "Ports returned truncated due to insufficient buffer size." ) );
+                xCopyAmount = xTcpPortsArrayLength;
+            }
+
+            memcpy( pusOutTcpPortsArray, &xMetrics.xTCPPortList.usTCPPortList, xCopyAmount * sizeof( uint16_t ) );
+
+            /* Return the number of elements copied to the array. */
+            *pxOutNumTcpOpenPorts = xCopyAmount;
+        }
+        else
+        {
+            /* Return the total number of open ports. */
+            *pxOutNumTcpOpenPorts = xMetrics.xTCPPortList.uxCount;
+        }
+    }
+
+    return eStatus;
+}
+/*-----------------------------------------------------------*/
+
+eMetricsCollectorStatus eGetOpenUdpPorts( uint16_t * pusOutUdpPortsArray,
+                                          size_t xUdpPortsArrayLength,
+                                          size_t * pxOutNumUdpOpenPorts )
+{
+    eMetricsCollectorStatus eStatus = eMetricsCollectorSuccess;
+
+    MetricsType_t xMetrics = { 0 };
+    BaseType_t xMetricsStatus = 0;
+    uint32_t xCopyAmount = 0UL;
+
+    /* pusOutUdpPortsArray can be NULL. */
+    configASSERT( pxOutNumUdpOpenPorts != NULL );
+
+    /* Get metrics from FreeRTOS+TCP tcp_netstat utility. */
+    xMetricsStatus = vGetMetrics( &xMetrics );
+
+    if( xMetricsStatus != 0 )
+    {
+        LogError( ( "Failed to acquire metrics from FreeRTOS+TCP tcp_netstat utility. Status: %d.",
+                    ( int ) xMetricsStatus ) );
+        eStatus = eMetricsCollectorCollectionFailed;
+    }
+
+    if( eStatus == eMetricsCollectorSuccess )
+    {
+        /* Fill the output array with as many UDP ports as will fit in the
+         * given array. */
+        if( pusOutUdpPortsArray != NULL )
+        {
+            xCopyAmount = xMetrics.xUDPPortList.uxCount;
+
+            /* Limit the copied ports to what can fit in the output array. */
+            if( xUdpPortsArrayLength < xMetrics.xUDPPortList.uxCount )
+            {
+                LogWarn( ( "Ports returned truncated due to insufficient buffer size." ) );
+                xCopyAmount = xUdpPortsArrayLength;
+            }
+
+            memcpy( pusOutUdpPortsArray, &xMetrics.xUDPPortList.usUDPPortList, xCopyAmount * sizeof( uint16_t ) );
+
+            /* Return the number of elements copied to the array. */
+            *pxOutNumUdpOpenPorts = xCopyAmount;
+        }
+        else
+        {
+            /* Return the total number of open ports. */
+            *pxOutNumUdpOpenPorts = xMetrics.xUDPPortList.uxCount;
+        }
+    }
+
+    return eStatus;
+}
+
+/*-----------------------------------------------------------*/
+
+eMetricsCollectorStatus eGetEstablishedConnections( Connection_t * pxOutConnectionsArray,
+                                                    size_t xConnectionsArrayLength,
+                                                    size_t * pxOutNumEstablishedConnections )
+{
+    eMetricsCollectorStatus eStatus = eMetricsCollectorSuccess;
+
+    MetricsType_t xMetrics = { 0 };
+    BaseType_t xMetricsStatus = 0;
+    size_t xCopyAmount = 0UL;
+    uint32_t ulLocalIp = 0UL;
+    uint32_t i;
+
+    /* pxOutConnectionsArray can be NULL. */
+    configASSERT( pxOutNumEstablishedConnections != NULL );
+
+    /* Get metrics from FreeRTOS+TCP tcp_netstat utility. */
+    xMetricsStatus = vGetMetrics( &xMetrics );
+
+    if( xMetricsStatus != 0 )
+    {
+        LogError( ( "Failed to acquire metrics from FreeRTOS+TCP tcp_netstat utility. Status: %d.",
+                    ( int ) xMetricsStatus ) );
+        eStatus = eMetricsCollectorCollectionFailed;
+    }
+
+    if( eStatus == eMetricsCollectorSuccess )
+    {
+        /* Fill the output array with as many TCP socket infos as will fit in
+         * the given array. */
+        if( pxOutConnectionsArray != NULL )
+        {
+            xCopyAmount = xMetrics.xTCPSocketList.uxCount;
+
+            /* Get local IP as the tcp_netstat utility does not give it. */
+            ulLocalIp = FreeRTOS_GetIPAddress();
+
+            /* Limit the outputted connections to what can fit in the output array. */
+            if( xConnectionsArrayLength < xMetrics.xTCPSocketList.uxCount )
+            {
+                LogWarn( ( "Ports returned truncated due to insufficient buffer size." ) );
+                xCopyAmount = xConnectionsArrayLength;
+            }
+
+            for( i = 0; i < xCopyAmount; i++ )
+            {
+                pxOutConnectionsArray[ i ].ulLocalIp = ulLocalIp;
+                pxOutConnectionsArray[ i ].usLocalPort =
+                    xMetrics.xTCPSocketList.xTCPList[ i ].usLocalPort;
+                pxOutConnectionsArray[ i ].ulRemoteIp =
+                    xMetrics.xTCPSocketList.xTCPList[ i ].ulRemoteIP;
+                pxOutConnectionsArray[ i ].usRemotePort =
+                    xMetrics.xTCPSocketList.xTCPList[ i ].usRemotePort;
+            }
+
+            /* Return the number of elements copied to the array. */
+            *pxOutNumEstablishedConnections = xCopyAmount;
+        }
+        else
+        {
+            /* Return the total number of established connections. */
+            *pxOutNumEstablishedConnections = xMetrics.xTCPSocketList.uxCount;
+        }
+    }
+
+    return eStatus;
+}
+/*-----------------------------------------------------------*/

FreeRTOS-Plus/Demo/AWS/Device_Defender_Windows_Simulator/Device_Defender_Demo/metrics_collector.h

@@ -0,0 +1,149 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/**
+ * @file metrics_collector.h
+ *
+ * @brief Functions used by the defender demo to collect metrics on the
+ * device's open ports and sockets.
+ */
+
+#ifndef METRICS_COLLECTOR_H_
+#define METRICS_COLLECTOR_H_
+
+#include <stdint.h>
+
+/**
+ * @brief Return codes from metrics collector APIs.
+ */
+typedef enum
+{
+    eMetricsCollectorSuccess = 0,
+    eMetricsCollectorBadParameter,
+    eMetricsCollectorCollectionFailed
+} eMetricsCollectorStatus;
+
+/**
+ * @brief Represents network stats.
+ */
+typedef struct NetworkStats
+{
+    uint32_t ulBytesReceived;   /**< Number of bytes received. */
+    uint32_t ulBytesSent;       /**< Number of bytes sent. */
+    uint32_t ulPacketsReceived; /**< Number of packets (ethernet frames) received. */
+    uint32_t ulPacketsSent;     /**< Number of packets (ethernet frames) sent. */
+} NetworkStats_t;
+
+/**
+ * @brief Represents a network connection.
+ */
+typedef struct Connection
+{
+    uint32_t ulLocalIp;
+    uint32_t ulRemoteIp;
+    uint16_t usLocalPort;
+    uint16_t usRemotePort;
+} Connection_t;
+
+/**
+ * @brief Get network stats.
+ *
+ * This function returns the network stats.
+ *
+ * @param[out] pxOutNetworkStats The network stats.
+ *
+ * @return #eMetricsCollectorSuccess if the network stats are successfully obtained;
+ * #eMetricsCollectorBadParameter if invalid parameters are passed;
+ * #eMetricsCollectorCollectionFailed if the collection methods failed.
+ */
+eMetricsCollectorStatus eGetNetworkStats( NetworkStats_t * pxOutNetworkStats );
+
+/**
+ * @brief Get a list of the open TCP ports.
+ *
+ * This function finds the open TCP ports. It can be called with
+ * @p pusOutTcpPortsArray NULL to get the number of the open TCP ports.
+ *
+ * @param[out] pusOutTcpPortsArray The array to write the open TCP ports into. This
+ * can be NULL, if only the number of open ports is needed.
+ * @param[in] xTcpPortsArrayLength Length of the pusOutTcpPortsArray, if it is not
+ * NULL.
+ * @param[out] pxOutNumTcpOpenPorts Number of open TCP ports if @p
+ * pusOutTcpPortsArray NULL, else number of TCP ports written.
+ *
+ * @return #eMetricsCollectorSuccess if open TCP ports are successfully obtained;
+ * #eMetricsCollectorBadParameter if invalid parameters are passed;
+ * #eMetricsCollectorCollectionFailed if the collection methods failed.
+ */
+eMetricsCollectorStatus eGetOpenTcpPorts( uint16_t * pusOutTcpPortsArray,
+                                          size_t xTcpPortsArrayLength,
+                                          size_t * pxOutNumTcpOpenPorts );
+
+/**
+ * @brief Get a list of the open UDP ports.
+ *
+ * This function finds the open UDP ports. It can be called with
+ * @p pusOutUdpPortsArray NULL to get the number of the open UDP ports.
+ *
+ * @param[out] pusOutUdpPortsArray The array to write the open UDP ports into. Can
+ * be NULL, if only number of open ports is needed.
+ * @param[in] xUdpPortsArrayLength Length of the pusOutUdpPortsArray, if it is not
+ * NULL.
+ * @param[out] pxOutNumUdpOpenPorts Number of open UDP ports if @p
+ * pusOutUdpPortsArray NULL, else number of UDP ports written.
+ *
+ * @return #eMetricsCollectorSuccess if open UDP ports are successfully obtained;
+ * #eMetricsCollectorBadParameter if invalid parameters are passed;
+ * #eMetricsCollectorCollectionFailed if the collection methods failed.
+ */
+eMetricsCollectorStatus eGetOpenUdpPorts( uint16_t * pusOutUdpPortsArray,
+                                          size_t xUdpPortsArrayLength,
+                                          size_t * pxOutNumUdpOpenPorts );
+
+/**
+ * @brief Get a list of established connections.
+ *
+ * This function finds the established TCP connections.
+ * It can be called with @p pxOutConnectionsArray NULL to get the number of
+ * established connections.
+ *
+ * @param[out] pxOutConnectionsArray The array to write the established connections
+ * into. This can be NULL, if only the number of established connections is
+ * needed.
+ * @param[in] xConnectionsArrayLength Length of the pxOutConnectionsArray, if it
+ * is not NULL.
+ * @param[out] pxOutNumEstablishedConnections Number of established connections if @p
+ * pxOutNumEstablishedConnections NULL, else number of established connections written.
+ *
+ * @return #eMetricsCollectorSuccess if established connections are successfully obtained;
+ * #eMetricsCollectorBadParameter if invalid parameters are passed;
+ * #eMetricsCollectorCollectionFailed if the collection methods failed.
+ */
+eMetricsCollectorStatus eGetEstablishedConnections( Connection_t * pxOutConnectionsArray,
+                                                    size_t xConnectionsArrayLength,
+                                                    size_t * pxOutNumEstablishedConnections );
+
+#endif /* ifndef METRICS_COLLECTOR_H_ */

FreeRTOS-Plus/Demo/AWS/Device_Defender_Windows_Simulator/Device_Defender_Demo/report_builder.c

@@ -0,0 +1,651 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/* Standard includes. */
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+/* Kernel includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* Demo config. */
+#include "demo_config.h"
+
+/* Device Defender Client Library. */
+#include "defender.h"
+
+/* Interface include. */
+#include "report_builder.h"
+
+/* Various JSON characters. */
+#define reportbuilderJSON_ARRAY_OPEN_MARKER         '['
+#define reportbuilderJSON_ARRAY_CLOSE_MARKER        ']'
+#define reportbuilderJSON_ARRAY_OBJECT_SEPARATOR    ','
+
+/* Helper macro to check if snprintf was successful. */
+#define reportbuilderSNPRINTF_SUCCESS( retVal, bufLen )    ( ( retVal > 0 ) && ( ( uint32_t ) retVal < bufLen ) )
+
+/* Formats used to generate the JSON report. */
+#define reportbuilderJSON_PORT_OBJECT_FORMAT \
+    "{"                                      \
+    "\""DEFENDER_REPORT_PORT_KEY"\": %u"     \
+    "},"
+
+#define reportbuilderJSON_CONNECTION_OBJECT_FORMAT              \
+    "{"                                                         \
+    "\""DEFENDER_REPORT_LOCAL_PORT_KEY"\": %u,"                 \
+    "\""DEFENDER_REPORT_REMOTE_ADDR_KEY"\": \"%u.%u.%u.%u:%u\"" \
+    "},"
+
+#define reportbuilderJSON_REPORT_FORMAT_PART1          \
+    "{"                                                \
+    "\""DEFENDER_REPORT_HEADER_KEY"\": {"              \
+    "\""DEFENDER_REPORT_ID_KEY"\": %u,"                \
+    "\""DEFENDER_REPORT_VERSION_KEY"\": \"%u.%u\""     \
+    "},"                                               \
+    "\""DEFENDER_REPORT_METRICS_KEY"\": {"             \
+    "\""DEFENDER_REPORT_TCP_LISTENING_PORTS_KEY"\": {" \
+    "\""DEFENDER_REPORT_PORTS_KEY"\": "
+
+#define reportbuilderJSON_REPORT_FORMAT_PART2          \
+    ","                                                \
+    "\""DEFENDER_REPORT_TOTAL_KEY"\": %u"              \
+    "},"                                               \
+    "\""DEFENDER_REPORT_UDP_LISTENING_PORTS_KEY"\": {" \
+    "\""DEFENDER_REPORT_PORTS_KEY"\": "
+
+#define reportbuilderJSON_REPORT_FORMAT_PART3              \
+    ","                                                    \
+    "\""DEFENDER_REPORT_TOTAL_KEY"\": %u"                  \
+    "},"                                                   \
+    "\""DEFENDER_REPORT_NETWORK_STATS_KEY"\": {"           \
+    "\""DEFENDER_REPORT_BYTES_IN_KEY"\": %u,"              \
+    "\""DEFENDER_REPORT_BYTES_OUT_KEY"\": %u,"             \
+    "\""DEFENDER_REPORT_PKTS_IN_KEY"\": %u,"               \
+    "\""DEFENDER_REPORT_PKTS_OUT_KEY"\": %u"               \
+    "},"                                                   \
+    "\""DEFENDER_REPORT_TCP_CONNECTIONS_KEY"\": {"         \
+    "\""DEFENDER_REPORT_ESTABLISHED_CONNECTIONS_KEY"\": {" \
+    "\""DEFENDER_REPORT_CONNECTIONS_KEY"\": "
+
+#define reportbuilderJSON_REPORT_FORMAT_PART4     \
+    ","                                           \
+    "\""DEFENDER_REPORT_TOTAL_KEY"\": %u"         \
+    "}"                                           \
+    "}"                                           \
+    "},"                                          \
+    "\""DEFENDER_REPORT_CUSTOM_METRICS_KEY"\": {" \
+    "\"stack_high_water_mark\": ["                \
+    "{"                                           \
+    "\""DEFENDER_REPORT_NUMBER_KEY"\": %u"        \
+    "}"                                           \
+    "],"                                          \
+    "\"task_numbers\": ["                         \
+    "{"                                           \
+    "\""DEFENDER_REPORT_NUMBER_LIST_KEY"\": "
+
+#define reportbuilderJSON_REPORT_FORMAT_PART5 \
+    "}"                                       \
+    "]"                                       \
+    "}"                                       \
+    "}"
+
+/*-----------------------------------------------------------*/
+
+/**
+ * @brief Write ports array to the given buffer in the format expected by the
+ * AWS IoT Device Defender Service.
+ *
+ * This function writes an array of the following format:
+ * [
+ *    {
+ *        "port":44207
+ *    },
+ *    {
+ *        "port":53
+ *    }
+ * ]
+ *
+ * @param[in] pcBuffer The buffer to write the ports array.
+ * @param[in] xBufferLength The length of the buffer.
+ * @param[in] pusOpenPortsArray The array containing the open ports.
+ * @param[in] xOpenPortsArrayLength Length of the pusOpenPortsArray array.
+ * @param[out] pxOutCharsWritten Number of characters written to the buffer.
+ *
+ * @return #ReportBuilderSuccess if the array is successfully written;
+ * #ReportBuilderBufferTooSmall if the buffer cannot hold the full array.
+ */
+static eReportBuilderStatus prvWritePortsArray( char * pcBuffer,
+                                                size_t xBufferLength,
+                                                const uint16_t * pusOpenPortsArray,
+                                                size_t xOpenPortsArrayLength,
+                                                size_t * pxOutCharsWritten );
+
+/**
+ * @brief Write established connections array to the given buffer in the format
+ * expected by the AWS IoT Device Defender Service.
+ *
+ * This function write array of the following format:
+ * [
+ *     {
+ *         "local_port":44207,
+ *         "remote_addr":"127.0.0.1:45148"
+ *     },
+ *     {
+ *         "local_port":22,
+ *         "remote_addr":"24.16.237.194:63552"
+ *     }
+ * ]
+ *
+ * @param[in] pcBuffer The buffer to write the connections array.
+ * @param[in] xBufferLength The length of the buffer.
+ * @param[in] pxConnectionsArray The array containing the established connections.
+ * @param[in] xConnectionsArrayLength Length of the pxConnectionsArray array.
+ * @param[out] pxOutCharsWritten Number of characters written to the buffer.
+ *
+ * @return #ReportBuilderSuccess if the array is successfully written;
+ * #ReportBuilderBufferTooSmall if the buffer cannot hold the full array.
+ */
+static eReportBuilderStatus prvWriteConnectionsArray( char * pcBuffer,
+                                                      size_t xBufferLength,
+                                                      const Connection_t * pxConnectionsArray,
+                                                      size_t xConnectionsArrayLength,
+                                                      size_t * pxOutCharsWritten );
+
+/**
+ * @brief Write task ID array to the given buffer as a JSON array.
+ *
+ * @param[in] pcBuffer The buffer to write the array of task IDs.
+ * @param[in] xBufferLength The length of the buffer.
+ * @param[in] pxTaskStatusArray The array containing the task statuses.
+ * @param[in] xTaskStatusArrayLength Length of the pxTaskStatusArray array.
+ * @param[out] pxOutCharsWritten Number of characters written to the buffer.
+ *
+ * @return #ReportBuilderSuccess if the array is successfully written;
+ * #ReportBuilderBufferTooSmall if the buffer cannot hold the full array.
+ */
+static eReportBuilderStatus prvWriteTaskIdArray( char * pcBuffer,
+                                                 size_t xBufferLength,
+                                                 const TaskStatus_t * pxTaskStatusArray,
+                                                 size_t xTaskStatusArrayLength,
+                                                 size_t * pxOutCharsWritten );
+/*-----------------------------------------------------------*/
+
+static eReportBuilderStatus prvWritePortsArray( char * pcBuffer,
+                                                uint32_t xBufferLength,
+                                                const uint16_t * pusOpenPortsArray,
+                                                uint32_t xOpenPortsArrayLength,
+                                                uint32_t * pxOutCharsWritten )
+{
+    char * pcCurrentWritePos = pcBuffer;
+    uint32_t i;
+    size_t xRemainingBufferLength = xBufferLength;
+    int32_t lCharactersWritten;
+    eReportBuilderStatus eStatus = eReportBuilderSuccess;
+
+    configASSERT( pcBuffer != NULL );
+    configASSERT( pusOpenPortsArray != NULL );
+    configASSERT( pxOutCharsWritten != NULL );
+
+    /* Write the JSON array open marker. */
+    if( xRemainingBufferLength > 1 )
+    {
+        *pcCurrentWritePos = reportbuilderJSON_ARRAY_OPEN_MARKER;
+        xRemainingBufferLength -= 1;
+        pcCurrentWritePos += 1;
+    }
+    else
+    {
+        eStatus = eReportBuilderBufferTooSmall;
+    }
+
+    /* Write the array elements. */
+    for( i = 0; ( ( i < xOpenPortsArrayLength ) && ( eStatus == eReportBuilderSuccess ) ); i++ )
+    {
+        lCharactersWritten = snprintf( pcCurrentWritePos,
+                                       xRemainingBufferLength,
+                                       reportbuilderJSON_PORT_OBJECT_FORMAT,
+                                       pusOpenPortsArray[ i ] );
+
+        if( !reportbuilderSNPRINTF_SUCCESS( lCharactersWritten, xRemainingBufferLength ) )
+        {
+            eStatus = eReportBuilderBufferTooSmall;
+        }
+        else
+        {
+            xRemainingBufferLength -= ( uint32_t ) lCharactersWritten;
+            pcCurrentWritePos += lCharactersWritten;
+        }
+    }
+
+    if( eStatus == eReportBuilderSuccess )
+    {
+        /* Discard the last comma. */
+        if( xOpenPortsArrayLength > 0 )
+        {
+            pcCurrentWritePos -= 1;
+            xRemainingBufferLength += 1;
+        }
+
+        /* Write the JSON array close marker. */
+        if( xRemainingBufferLength > 1 )
+        {
+            *pcCurrentWritePos = reportbuilderJSON_ARRAY_CLOSE_MARKER;
+            xRemainingBufferLength -= 1;
+            pcCurrentWritePos += 1;
+            *pxOutCharsWritten = xBufferLength - xRemainingBufferLength;
+        }
+        else
+        {
+            eStatus = eReportBuilderBufferTooSmall;
+        }
+    }
+
+    return eStatus;
+}
+/*-----------------------------------------------------------*/
+
+static eReportBuilderStatus prvWriteConnectionsArray( char * pcBuffer,
+                                                      size_t xBufferLength,
+                                                      const Connection_t * pxConnectionsArray,
+                                                      size_t xConnectionsArrayLength,
+                                                      size_t * pxOutCharsWritten )
+{
+    char * pcCurrentWritePos = pcBuffer;
+    uint32_t i;
+    size_t xRemainingBufferLength = xBufferLength;
+    int32_t lCharactersWritten;
+    eReportBuilderStatus eStatus = eReportBuilderSuccess;
+    const Connection_t * pxConn;
+
+    configASSERT( pcBuffer != NULL );
+    configASSERT( pxConnectionsArray != NULL );
+    configASSERT( pxOutCharsWritten != NULL );
+
+    /* Write the JSON array open marker. */
+    if( xRemainingBufferLength > 1 )
+    {
+        *pcCurrentWritePos = reportbuilderJSON_ARRAY_OPEN_MARKER;
+        xRemainingBufferLength -= 1;
+        pcCurrentWritePos += 1;
+    }
+    else
+    {
+        eStatus = eReportBuilderBufferTooSmall;
+    }
+
+    /* Write the array elements. */
+    for( i = 0; ( ( i < xConnectionsArrayLength ) && ( eStatus == eReportBuilderSuccess ) ); i++ )
+    {
+        pxConn = &( pxConnectionsArray[ i ] );
+        lCharactersWritten = snprintf( pcCurrentWritePos,
+                                       xRemainingBufferLength,
+                                       reportbuilderJSON_CONNECTION_OBJECT_FORMAT,
+                                       pxConn->usLocalPort,
+                                       ( pxConn->ulRemoteIp >> 24 ) & 0xFF,
+                                       ( pxConn->ulRemoteIp >> 16 ) & 0xFF,
+                                       ( pxConn->ulRemoteIp >> 8 ) & 0xFF,
+                                       ( pxConn->ulRemoteIp ) & 0xFF,
+                                       pxConn->usRemotePort );
+
+        if( !reportbuilderSNPRINTF_SUCCESS( lCharactersWritten, xRemainingBufferLength ) )
+        {
+            eStatus = eReportBuilderBufferTooSmall;
+        }
+        else
+        {
+            xRemainingBufferLength -= lCharactersWritten;
+            pcCurrentWritePos += lCharactersWritten;
+        }
+    }
+
+    if( eStatus == eReportBuilderSuccess )
+    {
+        /* Discard the last comma. */
+        if( xConnectionsArrayLength > 0 )
+        {
+            pcCurrentWritePos -= 1;
+            xRemainingBufferLength += 1;
+        }
+
+        /* Write the JSON array close marker. */
+        if( xRemainingBufferLength > 1 )
+        {
+            *pcCurrentWritePos = reportbuilderJSON_ARRAY_CLOSE_MARKER;
+            xRemainingBufferLength -= 1;
+            pcCurrentWritePos += 1;
+            *pxOutCharsWritten = xBufferLength - xRemainingBufferLength;
+        }
+        else
+        {
+            eStatus = eReportBuilderBufferTooSmall;
+        }
+    }
+
+    return eStatus;
+}
+/*-----------------------------------------------------------*/
+
+static eReportBuilderStatus prvWriteTaskIdArray( char * pcBuffer,
+                                                 size_t xBufferLength,
+                                                 const TaskStatus_t * pxTaskStatusArray,
+                                                 size_t xTaskStatusArrayLength,
+                                                 size_t * pxOutCharsWritten )
+{
+    char * pcCurrentWritePos = pcBuffer;
+    uint32_t i;
+    size_t xRemainingBufferLength = xBufferLength;
+    int32_t lCharactersWritten;
+    eReportBuilderStatus eStatus = eReportBuilderSuccess;
+
+    configASSERT( pcBuffer != NULL );
+    configASSERT( pxTaskStatusArray != NULL );
+    configASSERT( pxOutCharsWritten != NULL );
+
+    /* Write the JSON array open marker. */
+    if( xRemainingBufferLength > 1 )
+    {
+        *pcCurrentWritePos = reportbuilderJSON_ARRAY_OPEN_MARKER;
+        xRemainingBufferLength -= 1;
+        pcCurrentWritePos += 1;
+    }
+    else
+    {
+        eStatus = eReportBuilderBufferTooSmall;
+    }
+
+    /* Write the array elements. */
+    for( i = 0; ( ( i < xTaskStatusArrayLength ) && ( eStatus == eReportBuilderSuccess ) ); i++ )
+    {
+        lCharactersWritten = snprintf( pcCurrentWritePos,
+                                       xRemainingBufferLength,
+                                       "%u,",
+                                       pxTaskStatusArray[ i ].xTaskNumber );
+
+        if( !reportbuilderSNPRINTF_SUCCESS( lCharactersWritten, xRemainingBufferLength ) )
+        {
+            eStatus = eReportBuilderBufferTooSmall;
+        }
+        else
+        {
+            xRemainingBufferLength -= ( uint32_t ) lCharactersWritten;
+            pcCurrentWritePos += lCharactersWritten;
+        }
+    }
+
+    if( eStatus == eReportBuilderSuccess )
+    {
+        /* Discard the last comma. */
+        if( xTaskStatusArrayLength > 0 )
+        {
+            pcCurrentWritePos -= 1;
+            xRemainingBufferLength += 1;
+        }
+
+        /* Write the JSON array close marker. */
+        if( xRemainingBufferLength > 1 )
+        {
+            *pcCurrentWritePos = reportbuilderJSON_ARRAY_CLOSE_MARKER;
+            xRemainingBufferLength -= 1;
+            pcCurrentWritePos += 1;
+            *pxOutCharsWritten = xBufferLength - xRemainingBufferLength;
+        }
+        else
+        {
+            eStatus = eReportBuilderBufferTooSmall;
+        }
+    }
+
+    return eStatus;
+}
+/*-----------------------------------------------------------*/
+
+eReportBuilderStatus eGenerateJsonReport( char * pcBuffer,
+                                          size_t xBufferLength,
+                                          const ReportMetrics_t * pxMetrics,
+                                          uint32_t ulMajorReportVersion,
+                                          uint32_t ulMinorReportVersion,
+                                          uint32_t ulReportId,
+                                          size_t * pxOutReportLength )
+{
+    char * pcCurrentWritePos = pcBuffer;
+    size_t xRemainingBufferLength = xBufferLength;
+    uint32_t bufferWritten;
+    eReportBuilderStatus eStatus = eReportBuilderSuccess;
+    int32_t lCharactersWritten;
+
+    configASSERT( pcBuffer != NULL );
+    configASSERT( pxMetrics != NULL );
+    configASSERT( pxOutReportLength != NULL );
+    configASSERT( xBufferLength != 0 );
+
+    if( ( pcBuffer == NULL ) ||
+        ( xBufferLength == 0 ) ||
+        ( pxMetrics == NULL ) ||
+        ( pxOutReportLength == NULL ) )
+    {
+        LogError( ( "Invalid parameters. pcBuffer: %p, xBufferLength: %u"
+                    " pMetrics: %p, pOutReprotLength: %p.",
+                    pcBuffer,
+                    xBufferLength,
+                    pxMetrics,
+                    pxOutReportLength ) );
+        eStatus = eReportBuilderBadParameter;
+    }
+
+    /* Write part1. */
+    if( eStatus == eReportBuilderSuccess )
+    {
+        lCharactersWritten = snprintf( pcCurrentWritePos,
+                                       xRemainingBufferLength,
+                                       reportbuilderJSON_REPORT_FORMAT_PART1,
+                                       ulReportId,
+                                       ulMajorReportVersion,
+                                       ulMinorReportVersion );
+
+        if( !reportbuilderSNPRINTF_SUCCESS( lCharactersWritten, xRemainingBufferLength ) )
+        {
+            LogError( ( "Failed to write part 1." ) );
+            eStatus = eReportBuilderBufferTooSmall;
+        }
+        else
+        {
+            xRemainingBufferLength -= lCharactersWritten;
+            pcCurrentWritePos += lCharactersWritten;
+        }
+    }
+
+    /* Write TCP ports array. */
+    if( eStatus == eReportBuilderSuccess )
+    {
+        eStatus = prvWritePortsArray( pcCurrentWritePos,
+                                      xRemainingBufferLength,
+                                      pxMetrics->pusOpenTcpPortsArray,
+                                      pxMetrics->xOpenTcpPortsArrayLength,
+                                      &( bufferWritten ) );
+
+        if( eStatus == eReportBuilderSuccess )
+        {
+            pcCurrentWritePos += bufferWritten;
+            xRemainingBufferLength -= bufferWritten;
+        }
+        else
+        {
+            LogError( ( "Failed to write TCP ports array." ) );
+        }
+    }
+
+    /* Write part2. */
+    if( eStatus == eReportBuilderSuccess )
+    {
+        lCharactersWritten = snprintf( pcCurrentWritePos,
+                                       xRemainingBufferLength,
+                                       reportbuilderJSON_REPORT_FORMAT_PART2,
+                                       pxMetrics->xOpenTcpPortsArrayLength );
+
+        if( !reportbuilderSNPRINTF_SUCCESS( lCharactersWritten, xRemainingBufferLength ) )
+        {
+            LogError( ( "Failed to write part 2." ) );
+            eStatus = eReportBuilderBufferTooSmall;
+        }
+        else
+        {
+            xRemainingBufferLength -= lCharactersWritten;
+            pcCurrentWritePos += lCharactersWritten;
+        }
+    }
+
+    /* Write UDP ports array. */
+    if( eStatus == eReportBuilderSuccess )
+    {
+        eStatus = prvWritePortsArray( pcCurrentWritePos,
+                                      xRemainingBufferLength,
+                                      pxMetrics->pusOpenUdpPortsArray,
+                                      pxMetrics->xOpenUdpPortsArrayLength,
+                                      &( bufferWritten ) );
+
+        if( eStatus == eReportBuilderSuccess )
+        {
+            pcCurrentWritePos += bufferWritten;
+            xRemainingBufferLength -= bufferWritten;
+        }
+        else
+        {
+            LogError( ( "Failed to write UDP ports array." ) );
+        }
+    }
+
+    /* Write part3. */
+    if( eStatus == eReportBuilderSuccess )
+    {
+        lCharactersWritten = snprintf( pcCurrentWritePos,
+                                       xRemainingBufferLength,
+                                       reportbuilderJSON_REPORT_FORMAT_PART3,
+                                       pxMetrics->xOpenUdpPortsArrayLength,
+                                       pxMetrics->pxNetworkStats->ulBytesReceived,
+                                       pxMetrics->pxNetworkStats->ulBytesSent,
+                                       pxMetrics->pxNetworkStats->ulPacketsReceived,
+                                       pxMetrics->pxNetworkStats->ulPacketsSent,
+                                       DEFENDER_REPORT_ESTABLISHED_CONNECTIONS_KEY );
+
+        if( !reportbuilderSNPRINTF_SUCCESS( lCharactersWritten, xRemainingBufferLength ) )
+        {
+            LogError( ( "Failed to write part 3." ) );
+            eStatus = eReportBuilderBufferTooSmall;
+        }
+        else
+        {
+            xRemainingBufferLength -= lCharactersWritten;
+            pcCurrentWritePos += lCharactersWritten;
+        }
+    }
+
+    /* Write connections array. */
+    if( eStatus == eReportBuilderSuccess )
+    {
+        eStatus = prvWriteConnectionsArray( pcCurrentWritePos,
+                                            xRemainingBufferLength,
+                                            pxMetrics->pxEstablishedConnectionsArray,
+                                            pxMetrics->xEstablishedConnectionsArrayLength,
+                                            &( bufferWritten ) );
+
+        if( eStatus == eReportBuilderSuccess )
+        {
+            pcCurrentWritePos += bufferWritten;
+            xRemainingBufferLength -= bufferWritten;
+        }
+        else
+        {
+            LogError( ( "Failed to write established connections array." ) );
+        }
+    }
+
+    /* Write part4. */
+    if( eStatus == eReportBuilderSuccess )
+    {
+        lCharactersWritten = snprintf( pcCurrentWritePos,
+                                       xRemainingBufferLength,
+                                       reportbuilderJSON_REPORT_FORMAT_PART4,
+                                       pxMetrics->xEstablishedConnectionsArrayLength,
+                                       pxMetrics->ulStackHighWaterMark );
+
+        if( !reportbuilderSNPRINTF_SUCCESS( lCharactersWritten, xRemainingBufferLength ) )
+        {
+            LogError( ( "Failed to write part 4." ) );
+            eStatus = eReportBuilderBufferTooSmall;
+        }
+        else
+        {
+            xRemainingBufferLength -= lCharactersWritten;
+            pcCurrentWritePos += lCharactersWritten;
+        }
+    }
+
+    /* Write task ids array. */
+    if( eStatus == eReportBuilderSuccess )
+    {
+        eStatus = prvWriteTaskIdArray( pcCurrentWritePos,
+                                       xRemainingBufferLength,
+                                       pxMetrics->pxTaskStatusArray,
+                                       pxMetrics->xTaskStatusArrayLength,
+                                       &( bufferWritten ) );
+
+        if( eStatus == eReportBuilderSuccess )
+        {
+            pcCurrentWritePos += bufferWritten;
+            xRemainingBufferLength -= bufferWritten;
+        }
+        else
+        {
+            LogError( ( "Failed to write task ID array." ) );
+        }
+    }
+
+    /* Write part5. */
+    if( eStatus == eReportBuilderSuccess )
+    {
+        lCharactersWritten = snprintf( pcCurrentWritePos,
+                                       xRemainingBufferLength,
+                                       reportbuilderJSON_REPORT_FORMAT_PART5 );
+
+        if( !reportbuilderSNPRINTF_SUCCESS( lCharactersWritten, xRemainingBufferLength ) )
+        {
+            LogError( ( "Failed to write part 5." ) );
+            eStatus = eReportBuilderBufferTooSmall;
+        }
+        else
+        {
+            xRemainingBufferLength -= lCharactersWritten;
+            pcCurrentWritePos += lCharactersWritten;
+            *pxOutReportLength = xBufferLength - xRemainingBufferLength;
+        }
+    }
+
+    return eStatus;
+}
+/*-----------------------------------------------------------*/

FreeRTOS-Plus/Demo/AWS/Device_Defender_Windows_Simulator/Device_Defender_Demo/report_builder.h

@@ -0,0 +1,91 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef REPORT_BUILDER_H_
+#define REPORT_BUILDER_H_
+
+/* Metrics collector. */
+#include "metrics_collector.h"
+
+/**
+ * @brief Return codes from report builder APIs.
+ */
+typedef enum
+{
+    eReportBuilderSuccess = 0,
+    eReportBuilderBadParameter,
+    eReportBuilderBufferTooSmall
+} eReportBuilderStatus;
+
+/**
+ * @brief Represents metrics to be included in the report, including custom metrics.
+ *
+ * This demo demonstrates the use of the stack high water mark and list of
+ * running task ids as custom metrics sent to AWS IoT Device Defender service.
+ *
+ * For more information on custom metrics, refer to the following AWS document:
+ * https://docs.aws.amazon.com/iot/latest/developerguide/dd-detect-custom-metrics.html
+ */
+typedef struct ReportMetrics
+{
+    NetworkStats_t * pxNetworkStats;
+    uint16_t * pusOpenTcpPortsArray;
+    size_t xOpenTcpPortsArrayLength;
+    uint16_t * pusOpenUdpPortsArray;
+    size_t xOpenUdpPortsArrayLength;
+    Connection_t * pxEstablishedConnectionsArray;
+    size_t xEstablishedConnectionsArrayLength;
+    /* Custom metrics */
+    uint32_t ulStackHighWaterMark;
+    TaskStatus_t * pxTaskStatusArray;
+    size_t xTaskStatusArrayLength;
+} ReportMetrics_t;
+
+/**
+ * @brief Generate a report in the format expected by the AWS IoT Device Defender
+ * Service.
+ *
+ * @param[in] pcBuffer The buffer to write the report into.
+ * @param[in] xBufferLength The length of the buffer.
+ * @param[in] pxMetrics Metrics to write in the generated report.
+ * @param[in] ulMajorReportVersion Major version of the report.
+ * @param[in] ulMinorReportVersion Minor version of the report.
+ * @param[in] ulReportId Value to be used as the ulReportId in the generated report.
+ * @param[out] pxOutReprotLength The length of the generated report.
+ *
+ * @return #ReportBuilderSuccess if the report is successfully generated;
+ * #ReportBuilderBadParameter if invalid parameters are passed;
+ * #ReportBuilderBufferTooSmall if the buffer cannot hold the full report.
+ */
+eReportBuilderStatus eGenerateJsonReport( char * pcBuffer,
+                                          size_t xBufferLength,
+                                          const ReportMetrics_t * pxMetrics,
+                                          uint32_t ulMajorReportVersion,
+                                          uint32_t ulMinorReportVersion,
+                                          uint32_t ulReportId,
+                                          size_t * pxOutReportLength );
+
+#endif /* ifndef REPORT_BUILDER_H_ */

FreeRTOS-Plus/Demo/AWS/Device_Shadow_Windows_Simulator/Common/main.c

@@ -0,0 +1,380 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/***
+ * See https://www.FreeRTOS.org/coremqtt for configuration and usage instructions.
+ ***/
+
+/* Standard includes. */
+#include <stdio.h>
+#include <time.h>
+
+/* Visual studio intrinsics used so the __debugbreak() function is available
+ * should an assert get hit. */
+#include <intrin.h>
+
+/* FreeRTOS includes. */
+#include <FreeRTOS.h>
+#include "task.h"
+
+/* TCP/IP stack includes. */
+#include "FreeRTOS_IP.h"
+#include "FreeRTOS_Sockets.h"
+
+/* Demo logging includes. */
+#include "logging.h"
+
+/* Demo Specific configs. */
+#include "demo_config.h"
+
+
+/*
+ * Prototypes for the demos that can be started from this project.  Note the
+ * Shadow demo is not actually started until the network is already, which is
+ * indicated by vApplicationIPNetworkEventHook() executing - hence
+ * vStartShadowDemo() is called from inside vApplicationIPNetworkEventHook().
+ */
+extern void vStartShadowDemo( void );
+
+/*
+ * Just seeds the simple pseudo random number generator.
+ *
+ * !!! NOTE !!!
+ * This is not a secure method of generating random numbers and production
+ * devices should use a true random number generator (TRNG).
+ */
+static void prvSRand( UBaseType_t ulSeed );
+
+/*
+ * Miscellaneous initialization including preparing the logging and seeding the
+ * random number generator.
+ */
+static void prvMiscInitialisation( void );
+
+/* The default IP and MAC address used by the demo.  The address configuration
+ * defined here will be used if ipconfigUSE_DHCP is 0, or if ipconfigUSE_DHCP is
+ * 1 but a DHCP server could not be contacted.  See the online documentation for
+ * more information. */
+static const uint8_t ucIPAddress[ 4 ] = { configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 };
+static const uint8_t ucNetMask[ 4 ] = { configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 };
+static const uint8_t ucGatewayAddress[ 4 ] = { configGATEWAY_ADDR0, configGATEWAY_ADDR1, configGATEWAY_ADDR2, configGATEWAY_ADDR3 };
+static const uint8_t ucDNSServerAddress[ 4 ] = { configDNS_SERVER_ADDR0, configDNS_SERVER_ADDR1, configDNS_SERVER_ADDR2, configDNS_SERVER_ADDR3 };
+
+/* Set the following constant to pdTRUE to log using the method indicated by the
+ * name of the constant, or pdFALSE to not log using the method indicated by the
+ * name of the constant.  Options include to standard out (xLogToStdout), to a disk
+ * file (xLogToFile), and to a UDP port (xLogToUDP).  If xLogToUDP is set to pdTRUE
+ * then UDP messages are sent to the IP address configured as the UDP logging server
+ * address (see the configUDP_LOGGING_ADDR0 definitions in FreeRTOSConfig.h) and
+ * the port number set by configPRINT_PORT in FreeRTOSConfig.h. */
+const BaseType_t xLogToStdout = pdTRUE, xLogToFile = pdFALSE, xLogToUDP = pdFALSE;
+
+/* Default MAC address configuration.  The demo creates a virtual network
+ * connection that uses this MAC address by accessing the raw Ethernet data
+ * to and from a real network connection on the host PC.  See the
+ * configNETWORK_INTERFACE_TO_USE definition for information on how to configure
+ * the real network connection to use. */
+const uint8_t ucMACAddress[ 6 ] = { configMAC_ADDR0, configMAC_ADDR1, configMAC_ADDR2, configMAC_ADDR3, configMAC_ADDR4, configMAC_ADDR5 };
+
+/* Used by the pseudo random number generator. */
+static UBaseType_t ulNextRand;
+/*-----------------------------------------------------------*/
+
+int main( void )
+{
+    /***
+     * See https://www.FreeRTOS.org/iot-device-shadow for configuration and usage instructions.
+     ***/
+
+    /* Miscellaneous initialization including preparing the logging and seeding
+     * the random number generator. */
+    prvMiscInitialisation();
+
+    /* Initialize the network interface.
+     *
+     ***NOTE*** Tasks that use the network are created in the network event hook
+     * when the network is connected and ready for use (see the implementation of
+     * vApplicationIPNetworkEventHook() below).  The address values passed in here
+     * are used if ipconfigUSE_DHCP is set to 0, or if ipconfigUSE_DHCP is set to 1
+     * but a DHCP server cannot be contacted. */
+    FreeRTOS_IPInit( ucIPAddress, ucNetMask, ucGatewayAddress, ucDNSServerAddress, ucMACAddress );
+
+    /* Start the RTOS scheduler. */
+    vTaskStartScheduler();
+
+    /* If all is well, the scheduler will now be running, and the following
+     * line will never be reached.  If the following line does execute, then
+     * there was insufficient FreeRTOS heap memory available for the idle and/or
+     * timer tasks to be created.  See the memory management section on the
+     * FreeRTOS web site for more details (this is standard text that is not
+     * really applicable to the Win32 simulator port). */
+    for( ; ; )
+    {
+        __debugbreak();
+    }
+}
+/*-----------------------------------------------------------*/
+
+/* Called by FreeRTOS+TCP when the network connects or disconnects.  Disconnect
+ * events are only received if implemented in the MAC driver. */
+void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+{
+    uint32_t ulIPAddress, ulNetMask, ulGatewayAddress, ulDNSServerAddress;
+    char cBuffer[ 16 ];
+    static BaseType_t xTasksAlreadyCreated = pdFALSE;
+
+    /* If the network has just come up...*/
+    if( eNetworkEvent == eNetworkUp )
+    {
+        /* Create the tasks that use the IP stack if they have not already been
+         * created. */
+        if( xTasksAlreadyCreated == pdFALSE )
+        {
+            /* Demos that use the network are created after the network is
+             * up. */
+            LogInfo( ( "---------STARTING DEMO---------\r\n" ) );
+            vStartShadowDemo();
+            xTasksAlreadyCreated = pdTRUE;
+        }
+
+        /* Print out the network configuration, which may have come from a DHCP
+         * server. */
+        FreeRTOS_GetAddressConfiguration( &ulIPAddress, &ulNetMask, &ulGatewayAddress, &ulDNSServerAddress );
+        FreeRTOS_inet_ntoa( ulIPAddress, cBuffer );
+        LogInfo( ( "\r\n\r\nIP Address: %s\r\n", cBuffer ) );
+
+        FreeRTOS_inet_ntoa( ulNetMask, cBuffer );
+        LogInfo( ( "Subnet Mask: %s\r\n", cBuffer ) );
+
+        FreeRTOS_inet_ntoa( ulGatewayAddress, cBuffer );
+        LogInfo( ( "Gateway Address: %s\r\n", cBuffer ) );
+
+        FreeRTOS_inet_ntoa( ulDNSServerAddress, cBuffer );
+        LogInfo( ( "DNS Server Address: %s\r\n\r\n\r\n", cBuffer ) );
+    }
+}
+/*-----------------------------------------------------------*/
+
+void vAssertCalled( const char * pcFile,
+                    uint32_t ulLine )
+{
+    volatile uint32_t ulBlockVariable = 0UL;
+    volatile char * pcFileName = ( volatile char * ) pcFile;
+    volatile uint32_t ulLineNumber = ulLine;
+
+    ( void ) pcFileName;
+    ( void ) ulLineNumber;
+
+    printf( "vAssertCalled( %s, %u\n", pcFile, ulLine );
+
+    /* Setting ulBlockVariable to a non-zero value in the debugger will allow
+     * this function to be exited. */
+    taskDISABLE_INTERRUPTS();
+    {
+        while( ulBlockVariable == 0UL )
+        {
+            __debugbreak();
+        }
+    }
+    taskENABLE_INTERRUPTS();
+}
+/*-----------------------------------------------------------*/
+
+UBaseType_t uxRand( void )
+{
+    const uint32_t ulMultiplier = 0x015a4e35UL, ulIncrement = 1UL;
+
+    /*
+     * Utility function to generate a pseudo random number.
+     *
+     * !!!NOTE!!!
+     * This is not a secure method of generating a random number.  Production
+     * devices should use a True Random Number Generator (TRNG).
+     */
+    ulNextRand = ( ulMultiplier * ulNextRand ) + ulIncrement;
+    return( ( int ) ( ulNextRand >> 16UL ) & 0x7fffUL );
+}
+/*-----------------------------------------------------------*/
+
+static void prvSRand( UBaseType_t ulSeed )
+{
+    /* Utility function to seed the pseudo random number generator. */
+    ulNextRand = ulSeed;
+}
+/*-----------------------------------------------------------*/
+
+static void prvMiscInitialisation( void )
+{
+    time_t xTimeNow;
+    uint32_t ulLoggingIPAddress;
+
+    ulLoggingIPAddress = FreeRTOS_inet_addr_quick( configUDP_LOGGING_ADDR0, configUDP_LOGGING_ADDR1, configUDP_LOGGING_ADDR2, configUDP_LOGGING_ADDR3 );
+    vLoggingInit( xLogToStdout, xLogToFile, xLogToUDP, ulLoggingIPAddress, configPRINT_PORT );
+
+    /*
+     * Seed random number generator.
+     *
+     * !!!NOTE!!!
+     * This is not a secure method of generating a random number.  Production
+     * devices should use a True Random Number Generator (TRNG).
+     */
+    time( &xTimeNow );
+    LogDebug( ( "Seed for randomizer: %lu\n", xTimeNow ) );
+    prvSRand( ( uint32_t ) xTimeNow );
+    LogDebug( ( "Random numbers: %08X %08X %08X %08X\n", ipconfigRAND32(), ipconfigRAND32(), ipconfigRAND32(), ipconfigRAND32() ) );
+}
+/*-----------------------------------------------------------*/
+
+#if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 ) || ( ipconfigDHCP_REGISTER_HOSTNAME == 1 )
+
+    const char * pcApplicationHostnameHook( void )
+    {
+        /* Assign the name "FreeRTOS" to this network node.  This function will
+         * be called during the DHCP: the machine will be registered with an IP
+         * address plus this name. */
+        return mainHOST_NAME;
+    }
+
+#endif
+/*-----------------------------------------------------------*/
+
+#if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 )
+
+    BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    {
+        BaseType_t xReturn;
+
+        /* Determine if a name lookup is for this node.  Two names are given
+         * to this node: that returned by pcApplicationHostnameHook() and that set
+         * by mainDEVICE_NICK_NAME. */
+        if( _stricmp( pcName, pcApplicationHostnameHook() ) == 0 )
+        {
+            xReturn = pdPASS;
+        }
+        else if( _stricmp( pcName, mainDEVICE_NICK_NAME ) == 0 )
+        {
+            xReturn = pdPASS;
+        }
+        else
+        {
+            xReturn = pdFAIL;
+        }
+
+        return xReturn;
+    }
+
+#endif /* if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 ) */
+/*-----------------------------------------------------------*/
+
+/*
+ * Callback that provides the inputs necessary to generate a randomized TCP
+ * Initial Sequence Number per RFC 6528.  THIS IS ONLY A DUMMY IMPLEMENTATION
+ * THAT RETURNS A PSEUDO RANDOM NUMBER SO IS NOT INTENDED FOR USE IN PRODUCTION
+ * SYSTEMS.
+ */
+extern uint32_t ulApplicationGetNextSequenceNumber( uint32_t ulSourceAddress,
+                                                    uint16_t usSourcePort,
+                                                    uint32_t ulDestinationAddress,
+                                                    uint16_t usDestinationPort )
+{
+    ( void ) ulSourceAddress;
+    ( void ) usSourcePort;
+    ( void ) ulDestinationAddress;
+    ( void ) usDestinationPort;
+
+    return uxRand();
+}
+/*-----------------------------------------------------------*/
+
+/*
+ * Set *pulNumber to a random number, and return pdTRUE. When the random number
+ * generator is broken, it shall return pdFALSE.
+ * The macros ipconfigRAND32() and configRAND32() are not in use
+ * anymore in FreeRTOS+TCP.
+ *
+ * THIS IS ONLY A DUMMY IMPLEMENTATION THAT RETURNS A PSEUDO RANDOM NUMBER SO IS
+ * NOT INTENDED FOR USE IN PRODUCTION SYSTEMS.
+ */
+BaseType_t xApplicationGetRandomNumber( uint32_t * pulNumber )
+{
+    *pulNumber = uxRand();
+    return pdTRUE;
+}
+/*-----------------------------------------------------------*/
+
+/* configUSE_STATIC_ALLOCATION is set to 1, so the application must provide an
+ * implementation of vApplicationGetIdleTaskMemory() to provide the memory that is
+ * used by the Idle task. */
+void vApplicationGetIdleTaskMemory( StaticTask_t ** ppxIdleTaskTCBBuffer,
+                                    StackType_t ** ppxIdleTaskStackBuffer,
+                                    uint32_t * pulIdleTaskStackSize )
+{
+    /* If the buffers to be provided to the Idle task are declared inside this
+     * function then they must be declared static - otherwise they will be allocated on
+     * the stack and so not exists after this function exits. */
+    static StaticTask_t xIdleTaskTCB;
+    static StackType_t uxIdleTaskStack[ configMINIMAL_STACK_SIZE ];
+
+    /* Pass out a pointer to the StaticTask_t structure in which the Idle task's
+     * state will be stored. */
+    *ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
+
+    /* Pass out the array that will be used as the Idle task's stack. */
+    *ppxIdleTaskStackBuffer = uxIdleTaskStack;
+
+    /* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
+     * Note that, as the array is necessarily of type StackType_t,
+     * configMINIMAL_STACK_SIZE is specified in words, not bytes. */
+    *pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
+}
+/*-----------------------------------------------------------*/
+
+/* configUSE_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
+ * application must provide an implementation of vApplicationGetTimerTaskMemory()
+ * to provide the memory that is used by the Timer service task. */
+void vApplicationGetTimerTaskMemory( StaticTask_t ** ppxTimerTaskTCBBuffer,
+                                     StackType_t ** ppxTimerTaskStackBuffer,
+                                     uint32_t * pulTimerTaskStackSize )
+{
+    /* If the buffers to be provided to the Timer task are declared inside this
+     * function then they must be declared static - otherwise they will be allocated on
+     * the stack and so not exists after this function exits. */
+    static StaticTask_t xTimerTaskTCB;
+    static StackType_t uxTimerTaskStack[ configTIMER_TASK_STACK_DEPTH ];
+
+    /* Pass out a pointer to the StaticTask_t structure in which the Timer
+     * task's state will be stored. */
+    *ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
+
+    /* Pass out the array that will be used as the Timer task's stack. */
+    *ppxTimerTaskStackBuffer = uxTimerTaskStack;
+
+    /* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
+     * Note that, as the array is necessarily of type StackType_t,
+     * configMINIMAL_STACK_SIZE is specified in words, not bytes. */
+    *pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
+}
+/*-----------------------------------------------------------*/

FreeRTOS-Plus/Demo/AWS/Device_Shadow_Windows_Simulator/Common/printf-stdarg.c

@@ -0,0 +1,753 @@
+/*
+ *  Copyright 2001, 2002 Georges Menie (www.menie.org)
+ *  stdarg version contributed by Christian Ettinger
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Changes for the FreeRTOS ports:
+ *
+ *  - The dot in "%-8.8s"
+ *  - The specifiers 'l' (long) and 'L' (long long)
+ *  - The specifier 'u' for unsigned
+ *  - Dot notation for IP addresses:
+ *    sprintf("IP = %xip\n", 0xC0A80164);
+ *    will produce "IP = 192.168.1.100\n"
+ */
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "FreeRTOS.h"
+
+#define PAD_RIGHT    1
+#define PAD_ZERO     2
+
+/*
+ * Return 1 for readable, 2 for writeable, 3 for both.
+ * Function must be provided by the application.
+ */
+extern BaseType_t xApplicationMemoryPermissions( uint32_t aAddress );
+
+extern void vOutputChar( const char cChar,
+                         const TickType_t xTicksToWait );
+static const TickType_t xTicksToWait = pdMS_TO_TICKS( 20 );
+
+struct xPrintFlags
+{
+    int base;
+    int width;
+    int printLimit;
+    unsigned
+        pad : 8,
+        letBase : 8,
+        isSigned : 1,
+        isNumber : 1,
+        long32 : 1,
+        long64 : 1;
+};
+
+struct SStringBuf
+{
+    char * str;
+    const char * orgStr;
+    const char * nulPos;
+    int curLen;
+    struct xPrintFlags flags;
+};
+
+static void strbuf_init( struct SStringBuf * apStr,
+                         char * apBuf,
+                         const char * apMaxStr )
+{
+    apStr->str = apBuf;
+    apStr->orgStr = apBuf;
+    apStr->nulPos = apMaxStr - 1;
+    apStr->curLen = 0;
+
+    memset( &apStr->flags, '\0', sizeof( apStr->flags ) );
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t strbuf_printchar( struct SStringBuf * apStr,
+                                    int c )
+{
+    if( apStr->str == NULL )
+    {
+        vOutputChar( ( char ) c, xTicksToWait );
+        apStr->curLen++;
+        return pdTRUE;
+    }
+
+    if( apStr->str < apStr->nulPos )
+    {
+        *( apStr->str++ ) = c;
+        apStr->curLen++;
+        return pdTRUE;
+    }
+
+    if( apStr->str == apStr->nulPos )
+    {
+        *( apStr->str++ ) = '\0';
+    }
+
+    return pdFALSE;
+}
+/*-----------------------------------------------------------*/
+
+static portINLINE BaseType_t strbuf_printchar_inline( struct SStringBuf * apStr,
+                                                      int c )
+{
+    if( apStr->str == NULL )
+    {
+        vOutputChar( ( char ) c, xTicksToWait );
+
+        if( c == 0 )
+        {
+            return pdFALSE;
+        }
+
+        apStr->curLen++;
+        return pdTRUE;
+    }
+
+    if( apStr->str < apStr->nulPos )
+    {
+        *( apStr->str++ ) = c;
+
+        if( c == 0 )
+        {
+            return pdFALSE;
+        }
+
+        apStr->curLen++;
+        return pdTRUE;
+    }
+
+    if( apStr->str == apStr->nulPos )
+    {
+        *( apStr->str++ ) = '\0';
+    }
+
+    return pdFALSE;
+}
+/*-----------------------------------------------------------*/
+
+static portINLINE int i2hex( int aCh )
+{
+    int iResult;
+
+    if( aCh < 10 )
+    {
+        iResult = '0' + aCh;
+    }
+    else
+    {
+        iResult = 'A' + aCh - 10;
+    }
+
+    return iResult;
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t prints( struct SStringBuf * apBuf,
+                          const char * apString )
+{
+    register int padchar = ' ';
+    int i, len;
+
+    if( xApplicationMemoryPermissions( ( uint32_t ) apString ) == 0 )
+    {
+        /* The user has probably made a mistake with the parameter
+         * for '%s', the memory is not readbale. */
+        apString = "INV_MEM";
+    }
+
+    if( apBuf->flags.width > 0 )
+    {
+        register int len = 0;
+        register const char * ptr;
+
+        for( ptr = apString; *ptr; ++ptr )
+        {
+            ++len;
+        }
+
+        if( len >= apBuf->flags.width )
+        {
+            apBuf->flags.width = 0;
+        }
+        else
+        {
+            apBuf->flags.width -= len;
+        }
+
+        if( apBuf->flags.pad & PAD_ZERO )
+        {
+            padchar = '0';
+        }
+    }
+
+    if( ( apBuf->flags.pad & PAD_RIGHT ) == 0 )
+    {
+        for( ; apBuf->flags.width > 0; --apBuf->flags.width )
+        {
+            if( strbuf_printchar( apBuf, padchar ) == 0 )
+            {
+                return pdFALSE;
+            }
+        }
+    }
+
+    if( ( apBuf->flags.isNumber == pdTRUE ) && ( apBuf->flags.pad == pdTRUE ) )
+    {
+        /* The string to print represents an integer number.
+         * In this case, printLimit is the min number of digits to print
+         * If the length of the number to print is less than the min nb of i
+         * digits to display, we add 0 before printing the number
+         */
+        len = strlen( apString );
+
+        if( len < apBuf->flags.printLimit )
+        {
+            i = apBuf->flags.printLimit - len;
+
+            for( ; i; i-- )
+            {
+                if( strbuf_printchar( apBuf, '0' ) == 0 )
+                {
+                    return pdFALSE;
+                }
+            }
+        }
+    }
+
+    /* The string to print is not the result of a number conversion to ascii.
+     * For a string, printLimit is the max number of characters to display
+     */
+    for( ; apBuf->flags.printLimit && *apString; ++apString, --apBuf->flags.printLimit )
+    {
+        if( !strbuf_printchar( apBuf, *apString ) )
+        {
+            return pdFALSE;
+        }
+    }
+
+    for( ; apBuf->flags.width > 0; --apBuf->flags.width )
+    {
+        if( !strbuf_printchar( apBuf, padchar ) )
+        {
+            return pdFALSE;
+        }
+    }
+
+    return pdTRUE;
+}
+/*-----------------------------------------------------------*/
+
+/* the following should be enough for 32 bit int */
+#define PRINT_BUF_LEN    12 /* to print 4294967296 */
+
+#if SPRINTF_LONG_LONG
+    #warning 64-bit libraries will be included as well
+    static BaseType_t printll( struct SStringBuf * apBuf,
+                               long long i )
+    {
+        char print_buf[ 2 * PRINT_BUF_LEN ];
+        register char * s;
+        register int t, neg = 0;
+        register unsigned long long u = i;
+        lldiv_t lldiv_result;
+
+/* typedef struct
+ * {
+ *  long long int quot; // quotient
+ *  long long int rem;  // remainder
+ * } lldiv_t;
+ */
+
+        apBuf->flags.isNumber = pdTRUE; /* Parameter for prints */
+
+        if( i == 0LL )
+        {
+            print_buf[ 0 ] = '0';
+            print_buf[ 1 ] = '\0';
+            return prints( apBuf, print_buf );
+        }
+
+        if( ( apBuf->flags.isSigned == pdTRUE ) && ( apBuf->flags.base == 10 ) && ( i < 0LL ) )
+        {
+            neg = 1;
+            u = -i;
+        }
+
+        s = print_buf + sizeof( print_buf ) - 1;
+
+        *s = '\0';
+
+        /* 18446744073709551616 */
+        while( u != 0 )
+        {
+            lldiv_result = lldiv( u, ( unsigned long long ) apBuf->flags.base );
+            t = lldiv_result.rem;
+
+            if( t >= 10 )
+            {
+                t += apBuf->flags.letBase - '0' - 10;
+            }
+
+            *( --s ) = t + '0';
+            u = lldiv_result.quot;
+        }
+
+        if( neg != 0 )
+        {
+            if( ( apBuf->flags.width != 0 ) && ( apBuf->flags.pad & PAD_ZERO ) )
+            {
+                if( !strbuf_printchar( apBuf, '-' ) )
+                {
+                    return pdFALSE;
+                }
+
+                --apBuf->flags.width;
+            }
+            else
+            {
+                *( --s ) = '-';
+            }
+        }
+
+        return prints( apBuf, s );
+    }
+#endif /* SPRINTF_LONG_LONG */
+/*-----------------------------------------------------------*/
+
+static BaseType_t printi( struct SStringBuf * apBuf,
+                          int i )
+{
+    char print_buf[ PRINT_BUF_LEN ];
+    register char * s;
+    register int t, neg = 0;
+    register unsigned int u = i;
+    register unsigned base = apBuf->flags.base;
+
+    apBuf->flags.isNumber = pdTRUE; /* Parameter for prints */
+
+    if( i == 0 )
+    {
+        print_buf[ 0 ] = '0';
+        print_buf[ 1 ] = '\0';
+        return prints( apBuf, print_buf );
+    }
+
+    if( ( apBuf->flags.isSigned == pdTRUE ) && ( base == 10 ) && ( i < 0 ) )
+    {
+        neg = 1;
+        u = -i;
+    }
+
+    s = print_buf + sizeof( print_buf ) - 1;
+
+    *s = '\0';
+
+    switch( base )
+    {
+        case 16:
+
+            while( u != 0 )
+            {
+                t = u & 0xF;
+
+                if( t >= 10 )
+                {
+                    t += apBuf->flags.letBase - '0' - 10;
+                }
+
+                *( --s ) = t + '0';
+                u >>= 4;
+            }
+
+            break;
+
+        case 8:
+        case 10:
+
+            /* GCC compiles very efficient */
+            while( u )
+            {
+                t = u % base;
+                *( --s ) = t + '0';
+                u /= base;
+            }
+
+            break;
+
+/*
+ *  // The generic case, not yet in use
+ *  default:
+ *      while( u )
+ *      {
+ *          t = u % base;
+ *          if( t >= 10)
+ *          {
+ *              t += apBuf->flags.letBase - '0' - 10;
+ *          }
+ *( --s ) = t + '0';
+ *          u /= base;
+ *      }
+ *      break;
+ */
+    }
+
+    if( neg != 0 )
+    {
+        if( apBuf->flags.width && ( apBuf->flags.pad & PAD_ZERO ) )
+        {
+            if( strbuf_printchar( apBuf, '-' ) == 0 )
+            {
+                return pdFALSE;
+            }
+
+            --apBuf->flags.width;
+        }
+        else
+        {
+            *( --s ) = '-';
+        }
+    }
+
+    return prints( apBuf, s );
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t printIp( struct SStringBuf * apBuf,
+                           unsigned i )
+{
+    char print_buf[ 16 ];
+
+    sprintf( print_buf, "%u.%u.%u.%u",
+             i >> 24,
+             ( i >> 16 ) & 0xff,
+             ( i >> 8 ) & 0xff,
+             i & 0xff );
+    apBuf->flags.isNumber = pdTRUE; /* Parameter for prints */
+    prints( apBuf, print_buf );
+
+    return pdTRUE;
+}
+/*-----------------------------------------------------------*/
+
+static void tiny_print( struct SStringBuf * apBuf,
+                        const char * format,
+                        va_list args )
+{
+    char scr[ 2 ];
+
+    for( ; ; )
+    {
+        int ch = *( format++ );
+
+        if( ch != '%' )
+        {
+            do
+            {
+                /* Put the most like flow in a small loop */
+                if( strbuf_printchar_inline( apBuf, ch ) == 0 )
+                {
+                    return;
+                }
+
+                ch = *( format++ );
+            } while( ch != '%' );
+        }
+
+        ch = *( format++ );
+        /* Now ch has character after '%', format pointing to next */
+
+        if( ch == '\0' )
+        {
+            break;
+        }
+
+        if( ch == '%' )
+        {
+            if( strbuf_printchar( apBuf, ch ) == 0 )
+            {
+                return;
+            }
+
+            continue;
+        }
+
+        memset( &apBuf->flags, '\0', sizeof( apBuf->flags ) );
+
+        if( ch == '-' )
+        {
+            ch = *( format++ );
+            apBuf->flags.pad = PAD_RIGHT;
+        }
+
+        while( ch == '0' )
+        {
+            ch = *( format++ );
+            apBuf->flags.pad |= PAD_ZERO;
+        }
+
+        if( ch == '*' )
+        {
+            ch = *( format++ );
+            apBuf->flags.width = va_arg( args, int );
+        }
+        else
+        {
+            while( ch >= '0' && ch <= '9' )
+            {
+                apBuf->flags.width *= 10;
+                apBuf->flags.width += ch - '0';
+                ch = *( format++ );
+            }
+        }
+
+        if( ch == '.' )
+        {
+            ch = *( format++ );
+
+            if( ch == '*' )
+            {
+                apBuf->flags.printLimit = va_arg( args, int );
+                ch = *( format++ );
+            }
+            else
+            {
+                while( ch >= '0' && ch <= '9' )
+                {
+                    apBuf->flags.printLimit *= 10;
+                    apBuf->flags.printLimit += ch - '0';
+                    ch = *( format++ );
+                }
+            }
+        }
+
+        if( apBuf->flags.printLimit == 0 )
+        {
+            apBuf->flags.printLimit--; /* -1: make it unlimited */
+        }
+
+        if( ch == 's' )
+        {
+            register char * s = ( char * ) va_arg( args, int );
+
+            if( prints( apBuf, s ? s : "(null)" ) == 0 )
+            {
+                break;
+            }
+
+            continue;
+        }
+
+        if( ch == 'c' )
+        {
+            /* char are converted to int then pushed on the stack */
+            scr[ 0 ] = ( char ) va_arg( args, int );
+
+            if( strbuf_printchar( apBuf, scr[ 0 ] ) == 0 )
+            {
+                return;
+            }
+
+            continue;
+        }
+
+        if( ch == 'l' )
+        {
+            ch = *( format++ );
+            apBuf->flags.long32 = 1;
+            /* Makes not difference as u32 == long */
+        }
+
+        if( ch == 'L' )
+        {
+            ch = *( format++ );
+            apBuf->flags.long64 = 1;
+            /* Does make a difference */
+        }
+
+        apBuf->flags.base = 10;
+        apBuf->flags.letBase = 'a';
+
+        if( ( ch == 'd' ) || ( ch == 'u' ) )
+        {
+            apBuf->flags.isSigned = ( ch == 'd' );
+            #if SPRINTF_LONG_LONG
+                if( apBuf->flags.long64 != pdFALSE )
+                {
+                    if( printll( apBuf, va_arg( args, long long ) ) == 0 )
+                    {
+                        break;
+                    }
+                }
+                else
+            #endif /* SPRINTF_LONG_LONG */
+
+            if( printi( apBuf, va_arg( args, int ) ) == 0 )
+            {
+                break;
+            }
+
+            continue;
+        }
+
+        apBuf->flags.base = 16; /* From here all hexadecimal */
+
+        if( ( ch == 'x' ) && ( format[ 0 ] == 'i' ) && ( format[ 1 ] == 'p' ) )
+        {
+            format += 2; /* eat the "xi" of "xip" */
+
+            /* Will use base 10 again */
+            if( printIp( apBuf, va_arg( args, int ) ) == 0 )
+            {
+                break;
+            }
+
+            continue;
+        }
+
+        if( ( ch == 'x' ) || ( ch == 'X' ) || ( ch == 'p' ) || ( ch == 'o' ) )
+        {
+            if( ch == 'X' )
+            {
+                apBuf->flags.letBase = 'A';
+            }
+            else if( ch == 'o' )
+            {
+                apBuf->flags.base = 8;
+            }
+
+            #if SPRINTF_LONG_LONG
+                if( apBuf->flags.long64 != pdFALSE )
+                {
+                    if( printll( apBuf, va_arg( args, long long ) ) == 0 )
+                    {
+                        break;
+                    }
+                }
+                else
+            #endif /* SPRINTF_LONG_LONG */
+
+            if( printi( apBuf, va_arg( args, int ) ) == 0 )
+            {
+                break;
+            }
+
+            continue;
+        }
+    }
+
+    strbuf_printchar( apBuf, '\0' );
+}
+/*-----------------------------------------------------------*/
+
+int vsnprintf( char * apBuf,
+               size_t aMaxLen,
+               const char * apFmt,
+               va_list args )
+{
+    struct SStringBuf strBuf;
+
+    strbuf_init( &strBuf, apBuf, ( const char * ) apBuf + aMaxLen );
+    tiny_print( &strBuf, apFmt, args );
+
+    return strBuf.curLen;
+}
+/*-----------------------------------------------------------*/
+
+int snprintf( char * apBuf,
+              size_t aMaxLen,
+              const char * apFmt,
+              ... )
+{
+    va_list args;
+
+    va_start( args, apFmt );
+    struct SStringBuf strBuf;
+    strbuf_init( &strBuf, apBuf, ( const char * ) apBuf + aMaxLen );
+    tiny_print( &strBuf, apFmt, args );
+    va_end( args );
+
+    return strBuf.curLen;
+}
+/*-----------------------------------------------------------*/
+
+int sprintf( char * apBuf,
+             const char * apFmt,
+             ... )
+{
+    va_list args;
+
+    va_start( args, apFmt );
+    struct SStringBuf strBuf;
+    strbuf_init( &strBuf, apBuf, ( const char * ) apBuf + 1024 );
+    tiny_print( &strBuf, apFmt, args );
+    va_end( args );
+
+    return strBuf.curLen;
+}
+/*-----------------------------------------------------------*/
+
+int vsprintf( char * apBuf,
+              const char * apFmt,
+              va_list args )
+{
+    struct SStringBuf strBuf;
+
+    strbuf_init( &strBuf, apBuf, ( const char * ) apBuf + 1024 );
+    tiny_print( &strBuf, apFmt, args );
+
+    return strBuf.curLen;
+}
+/*-----------------------------------------------------------*/
+
+const char * mkSize( unsigned long long aSize,
+                     char * apBuf,
+                     int aLen )
+{
+    static char retString[ 33 ];
+    size_t gb, mb, kb, sb;
+
+    if( apBuf == NULL )
+    {
+        apBuf = retString;
+        aLen = sizeof( retString );
+    }
+
+    gb = aSize / ( 1024 * 1024 * 1024 );
+    aSize -= gb * ( 1024 * 1024 * 1024 );
+    mb = aSize / ( 1024 * 1024 );
+    aSize -= mb * ( 1024 * 1024 );
+    kb = aSize / ( 1024 );
+    aSize -= kb * ( 1024 );
+    sb = aSize;
+
+    if( gb )
+    {
+        snprintf( apBuf, aLen, "%u.%02u GB", ( unsigned ) gb, ( unsigned ) ( ( 100 * mb ) / 1024ul ) );
+    }
+    else if( mb )
+    {
+        snprintf( apBuf, aLen, "%u.%02u MB", ( unsigned ) mb, ( unsigned ) ( ( 100 * kb ) / 1024ul ) );
+    }
+    else if( kb != 0ul )
+    {
+        snprintf( apBuf, aLen, "%u.%02u KB", ( unsigned ) kb, ( unsigned ) ( ( 100 * sb ) / 1024ul ) );
+    }
+    else
+    {
+        snprintf( apBuf, aLen, "%u bytes", ( unsigned ) sb );
+    }
+
+    return apBuf;
+}

FreeRTOS-Plus/Demo/AWS/Device_Shadow_Windows_Simulator/Device_Shadow_Demo/FreeRTOSConfig.h

@@ -0,0 +1,209 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ */
+
+#ifndef FREERTOS_CONFIG_H
+#define FREERTOS_CONFIG_H
+
+/*-----------------------------------------------------------
+* Application specific definitions.
+*
+* These definitions should be adjusted for your particular hardware and
+* application requirements.
+*
+* THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
+* FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
+* http://www.freertos.org/a00110.html
+*
+* The bottom of this file contains some constants specific to running the UDP
+* stack in this demo.  Constants specific to FreeRTOS+TCP itself (rather than
+* the demo) are contained in FreeRTOSIPConfig.h.
+*----------------------------------------------------------*/
+#define configUSE_PREEMPTION                       1
+#define configUSE_PORT_OPTIMISED_TASK_SELECTION    1
+#define configMAX_PRIORITIES                       ( 7 )
+#define configTICK_RATE_HZ                         ( 1000 )                  /* In this non-real time simulated environment the tick frequency has to be at least a multiple of the Win32 tick frequency, and therefore very slow. */
+#define configMINIMAL_STACK_SIZE                   ( ( unsigned short ) 60 ) /* In this simulated case, the stack only has to hold one small structure as the real stack is part of the Win32 thread. */
+#define configTOTAL_HEAP_SIZE                      ( ( size_t ) ( 2048U * 1024U ) )
+#define configMAX_TASK_NAME_LEN                    ( 15 )
+#define configUSE_TRACE_FACILITY                   0
+#define configUSE_16_BIT_TICKS                     0
+#define configIDLE_SHOULD_YIELD                    1
+#define configUSE_CO_ROUTINES                      0
+#define configUSE_MUTEXES                          1
+#define configUSE_RECURSIVE_MUTEXES                1
+#define configQUEUE_REGISTRY_SIZE                  0
+#define configUSE_APPLICATION_TASK_TAG             0
+#define configUSE_COUNTING_SEMAPHORES              1
+#define configUSE_ALTERNATIVE_API                  0
+#define configNUM_THREAD_LOCAL_STORAGE_POINTERS    0
+#define configENABLE_BACKWARD_COMPATIBILITY        1
+#define configSUPPORT_STATIC_ALLOCATION            1
+
+/* Hook function related definitions. */
+#define configUSE_TICK_HOOK                        0
+#define configUSE_IDLE_HOOK                        0
+#define configUSE_MALLOC_FAILED_HOOK               0
+#define configCHECK_FOR_STACK_OVERFLOW             0 /* Not applicable to the Win32 port. */
+
+/* Software timer related definitions. */
+#define configUSE_TIMERS                           1
+#define configTIMER_TASK_PRIORITY                  ( configMAX_PRIORITIES - 1 )
+#define configTIMER_QUEUE_LENGTH                   5
+#define configTIMER_TASK_STACK_DEPTH               ( configMINIMAL_STACK_SIZE * 2 )
+
+/* Event group related definitions. */
+#define configUSE_EVENT_GROUPS                     1
+
+/* Run time stats gathering configuration options. */
+#define configGENERATE_RUN_TIME_STATS              0
+
+/* Co-routine definitions. */
+#define configUSE_CO_ROUTINES                      0
+#define configMAX_CO_ROUTINE_PRIORITIES            ( 2 )
+
+/* Set the following definitions to 1 to include the API function, or zero
+ * to exclude the API function. */
+#define INCLUDE_vTaskPrioritySet                   1
+#define INCLUDE_uxTaskPriorityGet                  1
+#define INCLUDE_vTaskDelete                        1
+#define INCLUDE_vTaskCleanUpResources              0
+#define INCLUDE_vTaskSuspend                       1
+#define INCLUDE_vTaskDelayUntil                    1
+#define INCLUDE_vTaskDelay                         1
+#define INCLUDE_uxTaskGetStackHighWaterMark        1
+#define INCLUDE_xTaskGetSchedulerState             1
+#define INCLUDE_xTimerGetTimerTaskHandle           0
+#define INCLUDE_xTaskGetIdleTaskHandle             0
+#define INCLUDE_xQueueGetMutexHolder               1
+#define INCLUDE_eTaskGetState                      1
+#define INCLUDE_xEventGroupSetBitsFromISR          1
+#define INCLUDE_xTimerPendFunctionCall             1
+#define INCLUDE_pcTaskGetTaskName                  1
+
+/* This demo makes use of one or more example stats formatting functions.  These
+ * format the raw data provided by the uxTaskGetSystemState() function in to human
+ * readable ASCII form.  See the notes in the implementation of vTaskList() within
+ * FreeRTOS/Source/tasks.c for limitations.  configUSE_STATS_FORMATTING_FUNCTIONS
+ * is set to 2 so the formatting functions are included without the stdio.h being
+ * included in tasks.c.  That is because this project defines its own sprintf()
+ * functions. */
+#define configUSE_STATS_FORMATTING_FUNCTIONS       1
+
+/* Assert call defined for debug builds. */
+#ifdef _DEBUG
+    extern void vAssertCalled( const char * pcFile,
+                               uint32_t ulLine );
+    #define configASSERT( x )    if( ( x ) == 0 ) vAssertCalled( __FILE__, __LINE__ )
+#endif /* _DEBUG */
+
+
+
+/* Application specific definitions follow. **********************************/
+
+/* Only used when running in the FreeRTOS Windows simulator.  Defines the
+ * priority of the task used to simulate Ethernet interrupts. */
+#define configMAC_ISR_SIMULATOR_PRIORITY    ( configMAX_PRIORITIES - 1 )
+
+/* This demo creates a virtual network connection by accessing the raw Ethernet
+ * or WiFi data to and from a real network connection.  Many computers have more
+ * than one real network port, and configNETWORK_INTERFACE_TO_USE is used to tell
+ * the demo which real port should be used to create the virtual port.  The ports
+ * available are displayed on the console when the application is executed.  For
+ * example, on my development laptop setting configNETWORK_INTERFACE_TO_USE to 4
+ * results in the wired network being used, while setting
+ * configNETWORK_INTERFACE_TO_USE to 2 results in the wireless network being
+ * used. */
+#define configNETWORK_INTERFACE_TO_USE      ( 0L )
+
+/* The address to which logging is sent should UDP logging be enabled. */
+#define configUDP_LOGGING_ADDR0             192
+#define configUDP_LOGGING_ADDR1             168
+#define configUDP_LOGGING_ADDR2             0
+#define configUDP_LOGGING_ADDR3             11
+
+/* Default MAC address configuration.  The demo creates a virtual network
+ * connection that uses this MAC address by accessing the raw Ethernet/WiFi data
+ * to and from a real network connection on the host PC.  See the
+ * configNETWORK_INTERFACE_TO_USE definition above for information on how to
+ * configure the real network connection to use. */
+#define configMAC_ADDR0                     0x00
+#define configMAC_ADDR1                     0x11
+#define configMAC_ADDR2                     0x11
+#define configMAC_ADDR3                     0x11
+#define configMAC_ADDR4                     0x11
+#define configMAC_ADDR5                     0x41
+
+/* Default IP address configuration.  Used in ipconfigUSE_DNS is set to 0, or
+ * ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configIP_ADDR0                      10
+#define configIP_ADDR1                      10
+#define configIP_ADDR2                      10
+#define configIP_ADDR3                      200
+
+/* Default gateway IP address configuration.  Used in ipconfigUSE_DNS is set to
+ * 0, or ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configGATEWAY_ADDR0                 10
+#define configGATEWAY_ADDR1                 10
+#define configGATEWAY_ADDR2                 10
+#define configGATEWAY_ADDR3                 1
+
+/* Default DNS server configuration.  OpenDNS addresses are 208.67.222.222 and
+ * 208.67.220.220.  Used in ipconfigUSE_DNS is set to 0, or ipconfigUSE_DNS is set
+ * to 1 but a DNS server cannot be contacted.*/
+#define configDNS_SERVER_ADDR0              208
+#define configDNS_SERVER_ADDR1              67
+#define configDNS_SERVER_ADDR2              222
+#define configDNS_SERVER_ADDR3              222
+
+/* Default netmask configuration.  Used in ipconfigUSE_DNS is set to 0, or
+ * ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configNET_MASK0                     255
+#define configNET_MASK1                     0
+#define configNET_MASK2                     0
+#define configNET_MASK3                     0
+
+/* The UDP port to which print messages are sent. */
+#define configPRINT_PORT                    ( 15000 )
+
+
+#if ( defined( _MSC_VER ) && ( _MSC_VER <= 1600 ) && !defined( snprintf ) )
+    /* Map to Windows names. */
+    #define snprintf     _snprintf
+    #define vsnprintf    _vsnprintf
+#endif
+
+/* Visual studio does not have an implementation of strcasecmp(). */
+#define strcasecmp     _stricmp
+#define strncasecmp    _strnicmp
+#define strcmpi        _strcmpi
+
+/* Prototype for the function used to print out.  In this case it prints to the
+ * console before the network is connected then a UDP port after the network has
+ * connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+#define configPRINTF( X )    vLoggingPrintf X
+
+#endif /* FREERTOS_CONFIG_H */

FreeRTOS-Plus/Demo/AWS/Device_Shadow_Windows_Simulator/Device_Shadow_Demo/FreeRTOSIPConfig.h

@@ -0,0 +1,309 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ */
+
+
+/*****************************************************************************
+*
+* See the following URL for configuration information.
+* http://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html
+*
+*****************************************************************************/
+
+#ifndef FREERTOS_IP_CONFIG_H
+#define FREERTOS_IP_CONFIG_H
+
+/* Prototype for the function used to print out.  In this case it prints to the
+ * console before the network is connected then a UDP port after the network has
+ * connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Set to 1 to print out debug messages.  If ipconfigHAS_DEBUG_PRINTF is set to
+ * 1 then FreeRTOS_debug_printf should be defined to the function used to print
+ * out the debugging messages. */
+#define ipconfigHAS_DEBUG_PRINTF    0
+#if ( ipconfigHAS_DEBUG_PRINTF == 1 )
+    #define FreeRTOS_debug_printf( X )    vLoggingPrintf X
+#endif
+
+/* Set to 1 to print out non debugging messages, for example the output of the
+ * FreeRTOS_netstat() command, and ping replies.  If ipconfigHAS_PRINTF is set to 1
+ * then FreeRTOS_printf should be set to the function used to print out the
+ * messages. */
+#define ipconfigHAS_PRINTF    1
+#if ( ipconfigHAS_PRINTF == 1 )
+    #define FreeRTOS_printf( X )    vLoggingPrintf X
+#endif
+
+/* Define the byte order of the target MCU (the MCU FreeRTOS+TCP is executing
+ * on).  Valid options are pdFREERTOS_BIG_ENDIAN and pdFREERTOS_LITTLE_ENDIAN. */
+#define ipconfigBYTE_ORDER                         pdFREERTOS_LITTLE_ENDIAN
+
+/* If the network card/driver includes checksum offloading (IP/TCP/UDP checksums)
+ * then set ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM to 1 to prevent the software
+ * stack repeating the checksum calculations. */
+#define ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM     1
+
+/* Several API's will block until the result is known, or the action has been
+ * performed, for example FreeRTOS_send() and FreeRTOS_recv().  The timeouts can be
+ * set per socket, using setsockopt().  If not set, the times below will be
+ * used as defaults. */
+#define ipconfigSOCK_DEFAULT_RECEIVE_BLOCK_TIME    ( 2000 )
+#define ipconfigSOCK_DEFAULT_SEND_BLOCK_TIME       ( 5000 )
+
+/* Include support for LLMNR: Link-local Multicast Name Resolution
+ * (non-Microsoft) */
+#define ipconfigUSE_LLMNR                          ( 0 )
+
+/* Include support for NBNS: NetBIOS Name Service (Microsoft) */
+#define ipconfigUSE_NBNS                           ( 0 )
+
+/* Include support for DNS caching.  For TCP, having a small DNS cache is very
+ * useful.  When a cache is present, ipconfigDNS_REQUEST_ATTEMPTS can be kept low
+ * and also DNS may use small timeouts.  If a DNS reply comes in after the DNS
+ * socket has been destroyed, the result will be stored into the cache.  The next
+ * call to FreeRTOS_gethostbyname() will return immediately, without even creating
+ * a socket. */
+#define ipconfigUSE_DNS_CACHE                      ( 1 )
+#define ipconfigDNS_CACHE_NAME_LENGTH              ( 64 )
+#define ipconfigDNS_CACHE_ENTRIES                  ( 4 )
+#define ipconfigDNS_REQUEST_ATTEMPTS               ( 2 )
+
+/* The IP stack executes it its own task (although any application task can make
+ * use of its services through the published sockets API). ipconfigUDP_TASK_PRIORITY
+ * sets the priority of the task that executes the IP stack.  The priority is a
+ * standard FreeRTOS task priority so can take any value from 0 (the lowest
+ * priority) to (configMAX_PRIORITIES - 1) (the highest priority).
+ * configMAX_PRIORITIES is a standard FreeRTOS configuration parameter defined in
+ * FreeRTOSConfig.h, not FreeRTOSIPConfig.h. Consideration needs to be given as to
+ * the priority assigned to the task executing the IP stack relative to the
+ * priority assigned to tasks that use the IP stack. */
+#define ipconfigIP_TASK_PRIORITY                   ( configMAX_PRIORITIES - 2 )
+
+/* The size, in words (not bytes), of the stack allocated to the FreeRTOS+TCP
+ * task.  This setting is less important when the FreeRTOS Win32 simulator is used
+ * as the Win32 simulator only stores a fixed amount of information on the task
+ * stack.  FreeRTOS includes optional stack overflow detection, see:
+ * http://www.freertos.org/Stacks-and-stack-overflow-checking.html */
+#define ipconfigIP_TASK_STACK_SIZE_WORDS           ( configMINIMAL_STACK_SIZE * 5 )
+
+/* ipconfigRAND32() is called by the IP stack to generate random numbers for
+ * things such as a DHCP transaction number or initial sequence number.  Random
+ * number generation is performed via this macro to allow applications to use their
+ * own random number generation method.  For example, it might be possible to
+ * generate a random number by sampling noise on an analogue input. */
+extern UBaseType_t uxRand();
+#define ipconfigRAND32()    uxRand()
+
+/* If ipconfigUSE_NETWORK_EVENT_HOOK is set to 1 then FreeRTOS+TCP will call the
+ * network event hook at the appropriate times.  If ipconfigUSE_NETWORK_EVENT_HOOK
+ * is not set to 1 then the network event hook will never be called.  See
+ * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_UDP/API/vApplicationIPNetworkEventHook.shtml
+ */
+#define ipconfigUSE_NETWORK_EVENT_HOOK                        1
+
+/* Sockets have a send block time attribute.  If FreeRTOS_sendto() is called but
+ * a network buffer cannot be obtained then the calling task is held in the Blocked
+ * state (so other tasks can continue to executed) until either a network buffer
+ * becomes available or the send block time expires.  If the send block time expires
+ * then the send operation is aborted.  The maximum allowable send block time is
+ * capped to the value set by ipconfigMAX_SEND_BLOCK_TIME_TICKS.  Capping the
+ * maximum allowable send block time prevents a deadlock occurring when
+ * all the network buffers are in use and the tasks that process (and subsequently
+ * free) the network buffers are themselves blocked waiting for a network buffer.
+ * ipconfigMAX_SEND_BLOCK_TIME_TICKS is specified in RTOS ticks.  A time in
+ * milliseconds can be converted to a time in ticks by dividing the time in
+ * milliseconds by portTICK_PERIOD_MS. */
+#define ipconfigUDP_MAX_SEND_BLOCK_TIME_TICKS                 ( 5000 / portTICK_PERIOD_MS )
+
+/* If ipconfigUSE_DHCP is 1 then FreeRTOS+TCP will attempt to retrieve an IP
+ * address, netmask, DNS server address and gateway address from a DHCP server.  If
+ * ipconfigUSE_DHCP is 0 then FreeRTOS+TCP will use a static IP address.  The
+ * stack will revert to using the static IP address even when ipconfigUSE_DHCP is
+ * set to 1 if a valid configuration cannot be obtained from a DHCP server for any
+ * reason.  The static configuration used is that passed into the stack by the
+ * FreeRTOS_IPInit() function call. */
+#define ipconfigUSE_DHCP                                      1
+
+/* When ipconfigUSE_DHCP is set to 1, DHCP requests will be sent out at
+ * increasing time intervals until either a reply is received from a DHCP server
+ * and accepted, or the interval between transmissions reaches
+ * ipconfigMAXIMUM_DISCOVER_TX_PERIOD.  The IP stack will revert to using the
+ * static IP address passed as a parameter to FreeRTOS_IPInit() if the
+ * re-transmission time interval reaches ipconfigMAXIMUM_DISCOVER_TX_PERIOD without
+ * a DHCP reply being received. */
+#define ipconfigMAXIMUM_DISCOVER_TX_PERIOD                    ( 120000 / portTICK_PERIOD_MS )
+
+/* The ARP cache is a table that maps IP addresses to MAC addresses.  The IP
+ * stack can only send a UDP message to a remove IP address if it knowns the MAC
+ * address associated with the IP address, or the MAC address of the router used to
+ * contact the remote IP address.  When a UDP message is received from a remote IP
+ * address the MAC address and IP address are added to the ARP cache.  When a UDP
+ * message is sent to a remote IP address that does not already appear in the ARP
+ * cache then the UDP message is replaced by a ARP message that solicits the
+ * required MAC address information.  ipconfigARP_CACHE_ENTRIES defines the maximum
+ * number of entries that can exist in the ARP table at any one time. */
+#define ipconfigARP_CACHE_ENTRIES                             6
+
+/* ARP requests that do not result in an ARP response will be re-transmitted a
+ * maximum of ipconfigMAX_ARP_RETRANSMISSIONS times before the ARP request is
+ * aborted. */
+#define ipconfigMAX_ARP_RETRANSMISSIONS                       ( 5 )
+
+/* ipconfigMAX_ARP_AGE defines the maximum time between an entry in the ARP
+ * table being created or refreshed and the entry being removed because it is stale.
+ * New ARP requests are sent for ARP cache entries that are nearing their maximum
+ * age.  ipconfigMAX_ARP_AGE is specified in tens of seconds, so a value of 150 is
+ * equal to 1500 seconds (or 25 minutes). */
+#define ipconfigMAX_ARP_AGE                                   150
+
+/* Implementing FreeRTOS_inet_addr() necessitates the use of string handling
+ * routines, which are relatively large.  To save code space the full
+ * FreeRTOS_inet_addr() implementation is made optional, and a smaller and faster
+ * alternative called FreeRTOS_inet_addr_quick() is provided.  FreeRTOS_inet_addr()
+ * takes an IP in decimal dot format (for example, "192.168.0.1") as its parameter.
+ * FreeRTOS_inet_addr_quick() takes an IP address as four separate numerical octets
+ * (for example, 192, 168, 0, 1) as its parameters.  If
+ * ipconfigINCLUDE_FULL_INET_ADDR is set to 1 then both FreeRTOS_inet_addr() and
+ * FreeRTOS_indet_addr_quick() are available.  If ipconfigINCLUDE_FULL_INET_ADDR is
+ * not set to 1 then only FreeRTOS_indet_addr_quick() is available. */
+#define ipconfigINCLUDE_FULL_INET_ADDR                        1
+
+/* ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS defines the total number of network buffer that
+ * are available to the IP stack.  The total number of network buffers is limited
+ * to ensure the total amount of RAM that can be consumed by the IP stack is capped
+ * to a pre-determinable value. */
+#define ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS                60
+
+/* A FreeRTOS queue is used to send events from application tasks to the IP
+ * stack.  ipconfigEVENT_QUEUE_LENGTH sets the maximum number of events that can
+ * be queued for processing at any one time.  The event queue must be a minimum of
+ * 5 greater than the total number of network buffers. */
+#define ipconfigEVENT_QUEUE_LENGTH                            ( ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS + 5 )
+
+/* The address of a socket is the combination of its IP address and its port
+ * number.  FreeRTOS_bind() is used to manually allocate a port number to a socket
+ * (to 'bind' the socket to a port), but manual binding is not normally necessary
+ * for client sockets (those sockets that initiate outgoing connections rather than
+ * wait for incoming connections on a known port number).  If
+ * ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND is set to 1 then calling
+ * FreeRTOS_sendto() on a socket that has not yet been bound will result in the IP
+ * stack automatically binding the socket to a port number from the range
+ * socketAUTO_PORT_ALLOCATION_START_NUMBER to 0xffff.  If
+ * ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND is set to 0 then calling FreeRTOS_sendto()
+ * on a socket that has not yet been bound will result in the send operation being
+ * aborted. */
+#define ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND                1
+
+/* Defines the Time To Live (TTL) values used in outgoing UDP packets. */
+#define ipconfigUDP_TIME_TO_LIVE                              128
+#define ipconfigTCP_TIME_TO_LIVE                              128 /* also defined in FreeRTOSIPConfigDefaults.h */
+
+/* USE_TCP: Use TCP and all its features */
+#define ipconfigUSE_TCP                                       ( 1 )
+
+/* Use the TCP socket wake context with a callback. */
+#define ipconfigSOCKET_HAS_USER_WAKE_CALLBACK_WITH_CONTEXT    ( 1 )
+
+/* USE_WIN: Let TCP use windowing mechanism. */
+#define ipconfigUSE_TCP_WIN                                   ( 1 )
+
+/* The MTU is the maximum number of bytes the payload of a network frame can
+ * contain.  For normal Ethernet V2 frames the maximum MTU is 1500.  Setting a
+ * lower value can save RAM, depending on the buffer management scheme used.  If
+ * ipconfigCAN_FRAGMENT_OUTGOING_PACKETS is 1 then (ipconfigNETWORK_MTU - 28) must
+ * be divisible by 8. */
+#define ipconfigNETWORK_MTU                                   1200
+
+/* Set ipconfigUSE_DNS to 1 to include a basic DNS client/resolver.  DNS is used
+ * through the FreeRTOS_gethostbyname() API function. */
+#define ipconfigUSE_DNS                                       1
+
+/* If ipconfigREPLY_TO_INCOMING_PINGS is set to 1 then the IP stack will
+ * generate replies to incoming ICMP echo (ping) requests. */
+#define ipconfigREPLY_TO_INCOMING_PINGS                       1
+
+/* If ipconfigSUPPORT_OUTGOING_PINGS is set to 1 then the
+ * FreeRTOS_SendPingRequest() API function is available. */
+#define ipconfigSUPPORT_OUTGOING_PINGS                        0
+
+/* If ipconfigSUPPORT_SELECT_FUNCTION is set to 1 then the FreeRTOS_select()
+ * (and associated) API function is available. */
+#define ipconfigSUPPORT_SELECT_FUNCTION                       1
+
+/* If ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES is set to 1 then Ethernet frames
+ * that are not in Ethernet II format will be dropped.  This option is included for
+ * potential future IP stack developments. */
+#define ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES             1
+
+/* If ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES is set to 1 then it is the
+ * responsibility of the Ethernet interface to filter out packets that are of no
+ * interest.  If the Ethernet interface does not implement this functionality, then
+ * set ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES to 0 to have the IP stack
+ * perform the filtering instead (it is much less efficient for the stack to do it
+ * because the packet will already have been passed into the stack).  If the
+ * Ethernet driver does all the necessary filtering in hardware then software
+ * filtering can be removed by using a value other than 1 or 0. */
+#define ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES           1
+
+/* The windows simulator cannot really simulate MAC interrupts, and needs to
+ * block occasionally to allow other tasks to run. */
+#define configWINDOWS_MAC_INTERRUPT_SIMULATOR_DELAY           ( 20 / portTICK_PERIOD_MS )
+
+/* Advanced only: in order to access 32-bit fields in the IP packets with
+ * 32-bit memory instructions, all packets will be stored 32-bit-aligned, plus 16-bits.
+ * This has to do with the contents of the IP-packets: all 32-bit fields are
+ * 32-bit-aligned, plus 16-bit(!) */
+#define ipconfigPACKET_FILLER_SIZE                            2
+
+/* Define the size of the pool of TCP window descriptors.  On the average, each
+ * TCP socket will use up to 2 x 6 descriptors, meaning that it can have 2 x 6
+ * outstanding packets (for Rx and Tx).  When using up to 10 TP sockets
+ * simultaneously, one could define TCP_WIN_SEG_COUNT as 120. */
+#define ipconfigTCP_WIN_SEG_COUNT                             240
+
+/* Each TCP socket has a circular buffers for Rx and Tx, which have a fixed
+ * maximum size.  Define the size of Rx buffer for TCP sockets. */
+#define ipconfigTCP_RX_BUFFER_LENGTH                          ( 5000 )
+
+/* Define the size of Tx buffer for TCP sockets. */
+#define ipconfigTCP_TX_BUFFER_LENGTH                          ( 1000 )
+
+/* When using call-back handlers, the driver may check if the handler points to
+ * real program memory (RAM or flash) or just has a random non-zero value. */
+#define ipconfigIS_VALID_PROG_ADDRESS( x )    ( ( x ) != NULL )
+
+/* Include support for TCP hang protection.  All sockets in a connecting or
+ * disconnecting stage will timeout after a period of non-activity. */
+#define ipconfigTCP_HANG_PROTECTION         ( 1 )
+#define ipconfigTCP_HANG_PROTECTION_TIME    ( 30 )
+
+/* Include support for TCP keep-alive messages. */
+#define ipconfigTCP_KEEP_ALIVE              ( 1 )
+#define ipconfigTCP_KEEP_ALIVE_INTERVAL     ( 20 ) /* in seconds */
+
+#define portINLINE                          __inline
+
+#endif /* FREERTOS_IP_CONFIG_H */

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+[{000214A0-0000-0000-C000-000000000046}]
+Prop3=19,11
+[InternetShortcut]
+IDList=
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+    <ClInclude Include="..\..\..\..\..\FreeRTOS-Plus\Source\FreeRTOS-Plus-TCP\include\FreeRTOS_Stream_Buffer.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\FreeRTOS\Source\include\portable.h">
+      <Filter>FreeRTOS\Source\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\FreeRTOS\Source\include\projdefs.h">
+      <Filter>FreeRTOS\Source\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\coreMQTT\source\include\core_mqtt_serializer.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\standard\coreMQTT\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\coreMQTT\source\include\core_mqtt_state.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\standard\coreMQTT\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\coreMQTT\source\include\core_mqtt.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\standard\coreMQTT\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\coreMQTT\source\interface\transport_interface.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\error.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\mbedtls</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Utilities\mbedtls_freertos\threading_alt.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\mbedtls</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\aes.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\aesni.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\arc4.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\aria.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\asn1.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\asn1write.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\base64.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\bignum.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\blowfish.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\bn_mul.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\camellia.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ccm.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\certs.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\chacha20.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\chachapoly.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\check_config.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\cipher.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\cipher_internal.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\cmac.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\compat-1.3.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\config.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ctr_drbg.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\debug.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\des.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\dhm.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ecdh.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ecdsa.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ecjpake.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ecp.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ecp_internal.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\entropy.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\entropy_poll.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\error.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\gcm.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\havege.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\hkdf.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\hmac_drbg.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\md.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\md2.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\md4.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\md5.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\md_internal.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\memory_buffer_alloc.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\net.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\net_sockets.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\nist_kw.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\oid.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\padlock.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\pem.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\pk.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\pkcs11.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\pkcs12.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\pkcs5.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\pk_internal.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\platform.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\platform_time.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\platform_util.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\poly1305.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\psa_util.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ripemd160.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\rsa.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\rsa_internal.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\sha1.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\sha256.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\sha512.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_cache.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_ciphersuites.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_cookie.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_internal.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_ticket.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\threading.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\timing.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\version.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\x509.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\x509_crl.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\x509_crt.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\x509_csr.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\xtea.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="core_mqtt_config.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="demo_config.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="FreeRTOSConfig.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="FreeRTOSIPConfig.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\FreeRTOS-Plus\Source\Utilities\logging\logging.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\logging</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\FreeRTOS-Plus\Source\Utilities\logging\logging_levels.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\logging</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\FreeRTOS-Plus\Source\Utilities\logging\logging_stack.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\logging</Filter>
+    </ClInclude>
+    <ClInclude Include="mbedtls_config.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Mqtt_Demo_Helpers\mqtt_demo_helpers.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\device-shadow\source\include\shadow.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\device-shadow\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\device-shadow\source\include\shadow_config_defaults.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\device-shadow\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\coreMQTT\source\include\core_mqtt_config_defaults.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\standard\coreMQTT\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\FreeRTOS-Plus-TCP\include\FreeRTOS_errno_TCP.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Utilities\backoff_algorithm\source\include\backoff_algorithm.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\backoff_algorithm\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\coreJSON\source\include\core_json.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\standard\coreJSON\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\error.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\error.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\error.h" />
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\network_transport\using_mbedtls\using_mbedtls\using_mbedtls.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\transport\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\network_transport\sockets_wrapper\freertos_plus_tcp\sockets_wrapper.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\transport\include</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>

FreeRTOS-Plus/Demo/AWS/Device_Shadow_Windows_Simulator/Device_Shadow_Demo/core_mqtt_config.h

@@ -0,0 +1,78 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ */
+#ifndef CORE_MQTT_CONFIG_H
+#define CORE_MQTT_CONFIG_H
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Include logging header files and define logging macros in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define the LIBRARY_LOG_NAME and LIBRARY_LOG_LEVEL macros depending on
+ * the logging configuration for MQTT.
+ * 3. Include the header file "logging_stack.h", if logging is enabled for MQTT.
+ */
+
+#include "logging_levels.h"
+
+/* Logging configuration for the MQTT library. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME    "MQTT"
+#endif
+
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_ERROR
+#endif
+
+/* Prototype for the function used to print to console on Windows simulator
+ * of FreeRTOS.
+ * The function prints to the console before the network is connected;
+ * then a UDP port after the network has connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Map the SdkLog macro to the logging function to enable logging
+ * on Windows simulator. */
+#ifndef SdkLog
+    #define SdkLog( message )    vLoggingPrintf message
+#endif
+
+#include "logging_stack.h"
+/************ End of logging configuration ****************/
+
+/**
+ * @brief The maximum number of MQTT PUBLISH messages that may be pending
+ * acknowledgement at any time.
+ *
+ * QoS 1 and 2 MQTT PUBLISHes require acknowledgment from the server before
+ * they can be completed. While they are awaiting the acknowledgment, the
+ * client must maintain information about their state. The value of this
+ * macro sets the limit on how many simultaneous PUBLISH states an MQTT
+ * context maintains.
+ */
+#define MQTT_STATE_ARRAY_MAX_COUNT    10U
+
+#endif /* ifndef CORE_MQTT_CONFIG_H */

FreeRTOS-Plus/Demo/AWS/Device_Shadow_Windows_Simulator/Device_Shadow_Demo/demo_config.h

@@ -0,0 +1,248 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef DEMO_CONFIG_H
+#define DEMO_CONFIG_H
+
+/* FreeRTOS config include. */
+#include "FreeRTOSConfig.h"
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Include logging header files and define logging macros in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define the LIBRARY_LOG_NAME and LIBRARY_LOG_LEVEL macros depending on
+ * the logging configuration for DEMO.
+ * 3. Include the header file "logging_stack.h", if logging is enabled for DEMO.
+ */
+
+#include "logging_levels.h"
+
+/* Logging configuration for the Demo. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME    "ShadowDemo"
+#endif
+
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_INFO
+#endif
+
+/* Prototype for the function used to print to console on Windows simulator
+ * of FreeRTOS.
+ * The function prints to the console before the network is connected;
+ * then a UDP port after the network has connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Map the SdkLog macro to the logging function to enable logging
+ * on Windows simulator. */
+#ifndef SdkLog
+    #define SdkLog( message )    vLoggingPrintf message
+#endif
+
+#include "logging_stack.h"
+
+/************ End of logging configuration ****************/
+
+/**
+ * @brief The Thing resource registered on your AWS IoT account to use in the demo.
+ * A Thing resource is required to communicate with the AWS IoT Device Shadow service.
+ *
+ * @note The Things associated with your AWS account can be found in the
+ * AWS IoT console under Manage/Things, or using the ListThings REST API (that can
+ * be called with the AWS CLI command line tool).
+ *
+ * #define democonfigTHING_NAME    "...insert here..."
+ */
+
+#ifndef democonfigCLIENT_IDENTIFIER
+
+/**
+ * @brief The MQTT client identifier used in this example.  Each client identifier
+ * must be unique so edit as required to ensure no two clients connecting to the
+ * same broker use the same client identifier.
+ *
+ * @note Appending __TIME__ to the client id string will reduce the possibility of a
+ * client id collision in the broker. Note that the appended time is the compilation
+ * time. This client id can cause collision, if more than one instance of the same
+ * binary is used at the same time to connect to the broker.
+ */
+    #define democonfigCLIENT_IDENTIFIER    "testClient"__TIME__
+#endif
+
+/**
+ * @brief The AWS IoT broker endpoint to connect to in the demo.
+ *
+ * @note Your AWS IoT Core endpoint can be found in the AWS IoT console under
+ * Settings/Custom Endpoint, or using the DescribeEndpoint REST API (that can
+ * be called with AWS CLI command line tool).
+ *
+ * #define democonfigMQTT_BROKER_ENDPOINT    "...insert here..."
+ */
+
+/**
+ * @brief The port to use for the demo.
+ *
+ * In general, port 8883 is for secured MQTT connections.
+ *
+ * @note Port 443 requires use of the ALPN TLS extension with the ALPN protocol
+ * name. Using ALPN with this demo would require additional changes, including
+ * setting the `pAlpnProtos` member of the `NetworkCredentials_t` struct before
+ * forming the TLS connection. When using port 8883, ALPN is not required.
+ *
+ * #define democonfigMQTT_BROKER_PORT    ( insert here. )
+ */
+
+/**
+ * @brief AWS root CA certificate.
+ *
+ * This certificate is used to identify the AWS IoT server and is publicly available.
+ * Refer to the link below.
+ * https://www.amazontrust.com/repository/AmazonRootCA1.pem
+ *
+ * @note This certificate should be PEM-encoded.
+ *
+ * Must include the PEM header and footer:
+ * "-----BEGIN CERTIFICATE-----\n"\
+ * "...base64 data...\n"\
+ * "-----END CERTIFICATE-----\n"
+ *
+ * #define democonfigROOT_CA_PEM    "...insert here..."
+ */
+
+/**
+ * @brief Client certificate.
+ *
+ * Please refer to the AWS documentation below for details
+ * regarding client authentication.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/client-authentication.html
+ *
+ * @note This certificate should be PEM-encoded.
+ *
+ * Must include the PEM header and footer:
+ * "-----BEGIN CERTIFICATE-----\n"\
+ * "...base64 data...\n"\
+ * "-----END CERTIFICATE-----\n"
+ *
+ * #define democonfigCLIENT_CERTIFICATE_PEM    "...insert here..."
+ */
+
+/**
+ * @brief Client's private key.
+ *
+ * Please refer to the AWS documentation below for details
+ * regarding clientauthentication.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/client-authentication.html
+ *
+ * @note This private key should be PEM-encoded.
+ *
+ * Must include the PEM header and footer:
+ * "-----BEGIN RSA PRIVATE KEY-----\n"\
+ * "...base64 data...\n"\
+ * "-----END RSA PRIVATE KEY-----\n"
+ *
+ * #define democonfigCLIENT_PRIVATE_KEY_PEM    "...insert here..."
+ */
+
+/**
+ * @brief The username value for authenticating client to the MQTT broker when
+ * username/password based client authentication is used.
+ *
+ * Please refer to the AWS IoT documentation below for
+ * details regarding client authentication with a username and password.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
+ * An authorizer setup needs to be done, as mentioned in the above link, to use
+ * username/password based client authentication.
+ *
+ * #define democonfigCLIENT_USERNAME    "...insert here..."
+ */
+
+/**
+ * @brief The password value for authenticating client to the MQTT broker when
+ * username/password based client authentication is used.
+ *
+ * Please refer to the AWS IoT documentation below for
+ * details regarding client authentication with a username and password.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
+ * An authorizer setup needs to be done, as mentioned in the above link, to use
+ * username/password based client authentication.
+ *
+ * #define democonfigCLIENT_PASSWORD    "...insert here..."
+ */
+
+/**
+ * @brief The name of the operating system that the application is running on.
+ * The current value is given as an example. Please update for your specific
+ * operating system.
+ */
+#define democonfigOS_NAME                   "FreeRTOS"
+
+/**
+ * @brief The version of the operating system that the application is running
+ * on. The current value is given as an example. Please update for your specific
+ * operating system version.
+ */
+#define democonfigOS_VERSION                tskKERNEL_VERSION_NUMBER
+
+/**
+ * @brief The name of the hardware platform the application is running on. The
+ * current value is given as an example. Please update for your specific
+ * hardware platform.
+ */
+#define democonfigHARDWARE_PLATFORM_NAME    "WinSim"
+
+/**
+ * @brief The name of the MQTT library used and its version, following an "@"
+ * symbol.
+ */
+#include "core_mqtt.h"     /* Include coreMQTT header for MQTT_LIBRARY_VERSION macro. */
+#define democonfigMQTT_LIB               "core-mqtt@"MQTT_LIBRARY_VERSION
+
+/**
+ * @brief Set the stack size of the main demo task.
+ *
+ * In the Windows port, this stack only holds a structure. The actual
+ * stack is created by an operating system thread.
+ */
+#define democonfigDEMO_STACKSIZE         configMINIMAL_STACK_SIZE
+
+/**
+ * @brief Size of the network buffer for MQTT packets.
+ */
+#define democonfigNETWORK_BUFFER_SIZE    ( 1024U )
+
+/**
+ * @brief Predefined shadow name.
+ *
+ * Defaults to unnamed "Classic" shadow. Change to a custom string to use a named shadow.
+ */
+#ifndef democonfigSHADOW_NAME
+    #define democonfigSHADOW_NAME    SHADOW_NAME_CLASSIC
+#endif
+
+#endif /* DEMO_CONFIG_H */

FreeRTOS-Plus/Demo/AWS/Device_Shadow_Windows_Simulator/Device_Shadow_Demo/mbedtls_config.h

@@ -0,0 +1,137 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/* This file configures mbed TLS for FreeRTOS. */
+
+#ifndef MBEDTLS_CONFIG_H_
+#define MBEDTLS_CONFIG_H_
+
+/* FreeRTOS include. */
+#include "FreeRTOS.h"
+
+/* Generate errors if deprecated functions are used. */
+#define MBEDTLS_DEPRECATED_REMOVED
+
+/* Place AES tables in ROM. */
+#define MBEDTLS_AES_ROM_TABLES
+
+/* Enable the following cipher modes. */
+#define MBEDTLS_CIPHER_MODE_CBC
+#define MBEDTLS_CIPHER_MODE_CFB
+#define MBEDTLS_CIPHER_MODE_CTR
+
+/* Enable the following cipher padding modes. */
+#define MBEDTLS_CIPHER_PADDING_PKCS7
+#define MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS
+#define MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN
+#define MBEDTLS_CIPHER_PADDING_ZEROS
+
+/* Cipher suite configuration. */
+#define MBEDTLS_REMOVE_ARC4_CIPHERSUITES
+#define MBEDTLS_ECP_DP_SECP256R1_ENABLED
+#define MBEDTLS_ECP_NIST_OPTIM
+#define MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
+#define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
+
+/* Enable all SSL alert messages. */
+#define MBEDTLS_SSL_ALL_ALERT_MESSAGES
+
+/* Enable the following SSL features. */
+#define MBEDTLS_SSL_ENCRYPT_THEN_MAC
+#define MBEDTLS_SSL_EXTENDED_MASTER_SECRET
+#define MBEDTLS_SSL_MAX_FRAGMENT_LENGTH
+#define MBEDTLS_SSL_PROTO_TLS1_2
+#define MBEDTLS_SSL_ALPN
+#define MBEDTLS_SSL_SERVER_NAME_INDICATION
+
+/* Check certificate key usage. */
+#define MBEDTLS_X509_CHECK_KEY_USAGE
+#define MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE
+
+/* Disable platform entropy functions. */
+#define MBEDTLS_NO_PLATFORM_ENTROPY
+
+/* Enable the following mbed TLS features. */
+#define MBEDTLS_AES_C
+#define MBEDTLS_ASN1_PARSE_C
+#define MBEDTLS_ASN1_WRITE_C
+#define MBEDTLS_BASE64_C
+#define MBEDTLS_BIGNUM_C
+#define MBEDTLS_CIPHER_C
+#define MBEDTLS_CTR_DRBG_C
+#define MBEDTLS_ECDH_C
+#define MBEDTLS_ECDSA_C
+#define MBEDTLS_ECP_C
+#define MBEDTLS_ENTROPY_C
+#define MBEDTLS_ERROR_C
+#define MBEDTLS_GCM_C
+#define MBEDTLS_MD_C
+#define MBEDTLS_OID_C
+#define MBEDTLS_PEM_PARSE_C
+#define MBEDTLS_PK_C
+#define MBEDTLS_PK_PARSE_C
+#define MBEDTLS_PKCS1_V15
+#define MBEDTLS_PLATFORM_C
+#define MBEDTLS_RSA_C
+#define MBEDTLS_SHA1_C
+#define MBEDTLS_SHA256_C
+#define MBEDTLS_SSL_CLI_C
+#define MBEDTLS_SSL_TLS_C
+#define MBEDTLS_THREADING_ALT
+#define MBEDTLS_THREADING_C
+#define MBEDTLS_X509_USE_C
+#define MBEDTLS_X509_CRT_PARSE_C
+
+/* Set the memory allocation functions on FreeRTOS. */
+void * mbedtls_platform_calloc( size_t nmemb,
+                                size_t size );
+void mbedtls_platform_free( void * ptr );
+#define MBEDTLS_PLATFORM_MEMORY
+#define MBEDTLS_PLATFORM_CALLOC_MACRO    mbedtls_platform_calloc
+#define MBEDTLS_PLATFORM_FREE_MACRO      mbedtls_platform_free
+
+/* The network send and receive functions on FreeRTOS. */
+int mbedtls_platform_send( void * ctx,
+                           const unsigned char * buf,
+                           size_t len );
+int mbedtls_platform_recv( void * ctx,
+                           unsigned char * buf,
+                           size_t len );
+
+/* These two macro used by mbedtls_ssl_set_bio in using_mbedtls network
+ * transport layer. */
+#define MBEDTLS_SSL_SEND mbedtls_platform_send
+#define MBEDTLS_SSL_RECV mbedtls_platform_recv
+
+/* The entropy poll function. */
+int mbedtls_platform_entropy_poll( void * data,
+                                   unsigned char * output,
+                                   size_t len,
+                                   size_t * olen );
+
+#include "mbedtls/check_config.h"
+
+#endif /* ifndef MBEDTLS_CONFIG_H_ */

FreeRTOS-Plus/Demo/AWS/Device_Shadow_Windows_Simulator/Device_Shadow_Demo/shadow_config.h

@@ -0,0 +1,64 @@
+/*
+ * AWS IoT Device SDK for Embedded C V202009.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef SHADOW_CONFIG_H
+#define SHADOW_CONFIG_H
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Logging related header files are required to be included in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define LIBRARY_LOG_NAME and  LIBRARY_LOG_LEVEL.
+ * 3. Include the header file "logging_stack.h".
+ */
+
+/* Include header that defines log levels. */
+#include "logging_levels.h"
+
+/* Configure name and log level for the Shadow library. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME     "SHADOW"
+#endif
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_INFO
+#endif
+
+/* Prototype for the function used to print to console on Windows simulator
+ * of FreeRTOS.
+ * The function prints to the console before the network is connected;
+ * then a UDP port after the network has connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Map the SdkLog macro to the logging function to enable logging
+ * on Windows simulator. */
+#ifndef SdkLog
+    #define SdkLog( message )    vLoggingPrintf message
+#endif
+
+#include "logging_stack.h"
+
+/************ End of logging configuration ****************/
+
+#endif /* ifndef SHADOW_CONFIG_H */

FreeRTOS-Plus/Demo/AWS/Device_Shadow_Windows_Simulator/Device_Shadow_Demo/shadow_main_demo.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29215.179
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "RTOSDemo", "WIN32.vcxproj", "{C686325E-3261-42F7-AEB1-DDE5280E1CEB}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C686325E-3261-42F7-AEB1-DDE5280E1CEB}.Debug|Win32.ActiveCfg = Debug|Win32
+		{C686325E-3261-42F7-AEB1-DDE5280E1CEB}.Debug|Win32.Build.0 = Debug|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {150F08BF-9D61-4CC2-8DBF-1335172A1EA4}
+	EndGlobalSection
+	GlobalSection(TestCaseManagementSettings) = postSolution
+		CategoryFile = FreeRTOS_Plus_TCP_Minimal.vsmdi
+	EndGlobalSection
+EndGlobal

FreeRTOS-Plus/Demo/AWS/Jobs_Windows_Simulator/Jobs_Demo/DemoTasks/JobsDemoExample.c

@@ -0,0 +1,985 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/**
+ * @file JobsDemoExample.c
+ *
+ * @brief Demo for showing use of the Jobs library API. This demo uses the Jobs library
+ * along with the coreMQTT, mbedTLS and FreeRTOS+TCP libraries to communicate with the AWS IoT Jobs service.
+ * Please refer to AWS documentation for more information about AWS IoT Jobs.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/iot-jobs.html
+ *
+ * The Jobs library API provides macros and helper functions for assembling MQTT topics strings,
+ * and for determining whether an incoming MQTT message is related to the AWS IoT Jobs service.
+ * The Jobs library does not depend on an MQTT library, and therefore, the code for MQTT operations
+ * is placed in another file (mqtt_demo_helpers.c) for improving readability of the demo code about using
+ * the Jobs library.
+ *
+ * @note This demo requires setup of an AWS account, provisioning of a Thing resource on the AWS IoT account,
+ * and the creation of Jobs for the Thing resource. Please refer to AWS CLI documentation for more information
+ * in creating a job document.
+ * https://docs.aws.amazon.com/cli/latest/reference/iot/create-job.html
+ *
+ * This demo connects to the AWS IoT broker and calls the MQTT APIs of the AWS IoT Jobs service to receive
+ * jobs queued (as JSON documents) for the Thing resource (associated with this demo application) on the cloud,
+ * then executes the jobs and updates the status of the jobs back to the cloud.
+ * The demo expects job documents to have an "action" JSON key. Actions can
+ * be one of "print", "publish", or "exit".
+ * A "print" job logs a message to the local console, and must contain a "message",
+ * e.g. { "action": "print", "message": "Hello World!" }.
+ * A "publish" job publishes a message to an MQTT Topic. The job document must
+ * contain a "message" and "topic" to publish to, e.g.
+ * { "action": "publish", "topic": "demo/jobs", "message": "Hello World!" }.
+ * An "exit" job exits the demo. Sending { "action": "exit" } will end the demo program.
+ */
+
+/* Standard includes. */
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+
+/* Demo Specific config file. */
+#include "demo_config.h"
+
+/* Kernel includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* Jobs library header. */
+#include "jobs.h"
+
+/* JSON library includes. */
+#include "core_json.h"
+
+/* Include common MQTT demo helpers. */
+#include "mqtt_demo_helpers.h"
+
+/*------------- Demo configurations -------------------------*/
+
+#ifndef democonfigTHING_NAME
+    #error "Please define the Thing resource name, democonfigTHING_NAME, in demo_config.h"
+#endif
+
+/**
+ * @brief The length of #democonfigTHING_NAME.
+ */
+#define THING_NAME_LENGTH    ( ( uint16_t ) ( sizeof( democonfigTHING_NAME ) - 1 ) )
+
+/*-----------------------------------------------------------*/
+
+/**
+ * @brief The JSON key of the execution object.
+ *
+ * Job documents received from the AWS IoT Jobs service are in JSON format.
+ * All such JSON documents will contain this key, whose value represents the unique
+ * identifier of a Job.
+ */
+#define jobsexampleEXECUTION_KEY                    "execution"
+
+/**
+ * @brief The length of #jobsexampleEXECUTION_KEY.
+ */
+#define jobsexampleEXECUTION_KEY_LENGTH             ( sizeof( jobsexampleEXECUTION_KEY ) - 1 )
+
+/**
+ * @brief The query key to use for searching the Job ID key in message payload
+ * from AWS IoT Jobs service.
+ *
+ * Job documents received from the AWS IoT Jobs service are in JSON format.
+ * All such JSON documents will contain this key, whose value represents the unique
+ * identifier of a Job.
+ */
+#define jobsexampleQUERY_KEY_FOR_JOB_ID             jobsexampleEXECUTION_KEY  ".jobId"
+
+/**
+ * @brief The length of #jobsexampleQUERY_KEY_FOR_JOB_ID.
+ */
+#define jobsexampleQUERY_KEY_FOR_JOB_ID_LENGTH      ( sizeof( jobsexampleQUERY_KEY_FOR_JOB_ID ) - 1 )
+
+/**
+ * @brief The query key to use for searching the Jobs document ID key in message payload
+ * from AWS IoT Jobs service.
+ *
+ * Job documents received from the AWS IoT Jobs service are in JSON format.
+ * All such JSON documents will contain this key, whose value represents the unique
+ * identifier of a Job.
+ */
+#define jobsexampleQUERY_KEY_FOR_JOBS_DOC           jobsexampleEXECUTION_KEY  ".jobDocument"
+
+/**
+ * @brief The length of #jobsexampleQUERY_KEY_FOR_JOBS_DOC.
+ */
+#define jobsexampleQUERY_KEY_FOR_JOBS_DOC_LENGTH    ( sizeof( jobsexampleQUERY_KEY_FOR_JOBS_DOC ) - 1 )
+
+/**
+ * @brief The query key to use for searching the Action key in Jobs document
+ * from AWS IoT Jobs service.
+ *
+ * This demo program expects this key to be in the Job document. It is a key
+ * specific to this demo.
+ */
+#define jobsexampleQUERY_KEY_FOR_ACTION             "action"
+
+/**
+ * @brief The length of #jobsexampleQUERY_KEY_FOR_ACTION.
+ */
+#define jobsexampleQUERY_KEY_FOR_ACTION_LENGTH      ( sizeof( jobsexampleQUERY_KEY_FOR_ACTION ) - 1 )
+
+/**
+ * @brief The query key to use for searching the Message key in Jobs document
+ * from AWS IoT Jobs service.
+ *
+ * This demo program expects this key to be in the Job document if the "action"
+ * is either "publish" or "print". It represents the message that should be
+ * published or printed, respectively.
+ */
+#define jobsexampleQUERY_KEY_FOR_MESSAGE            "message"
+
+/**
+ * @brief The length of #jobsexampleQUERY_KEY_FOR_MESSAGE.
+ */
+#define jobsexampleQUERY_KEY_FOR_MESSAGE_LENGTH     ( sizeof( jobsexampleQUERY_KEY_FOR_MESSAGE ) - 1 )
+
+/**
+ * @brief The query key to use for searching the topic key in Jobs document
+ * from AWS IoT Jobs service.
+ *
+ * This demo program expects this key to be in the Job document if the "action"
+ * is "publish". It represents the MQTT topic on which the message should be
+ * published.
+ */
+#define jobsexampleQUERY_KEY_FOR_TOPIC              "topic"
+
+/**
+ * @brief The length of #jobsexampleQUERY_KEY_FOR_TOPIC.
+ */
+#define jobsexampleQUERY_KEY_FOR_TOPIC_LENGTH       ( sizeof( jobsexampleQUERY_KEY_FOR_TOPIC ) - 1 )
+
+/**
+ * @brief Utility macro to generate the PUBLISH topic string to the
+ * DescribeJobExecution API of AWS IoT Jobs service for requesting
+ * the next pending job information.
+ *
+ * @param[in] thingName The name of the Thing resource to query for the
+ * next pending job.
+ */
+#define DESCRIBE_NEXT_JOB_TOPIC( thingName ) \
+    ( JOBS_API_PREFIX thingName JOBS_API_BRIDGE JOBS_API_JOBID_NEXT "/" JOBS_API_GETPENDING )
+
+/**
+ * @brief Utility macro to generate the subscription topic string for the
+ * NextJobExecutionChanged API of AWS IoT Jobs service that is required
+ * for getting notification about changes in the next pending job in the queue.
+ *
+ * @param[in] thingName The name of the Thing resource to query for the
+ * next pending Job.
+ */
+#define NEXT_JOB_EXECUTION_CHANGED_TOPIC( thingName ) \
+    ( JOBS_API_PREFIX thingName JOBS_API_BRIDGE JOBS_API_NEXTJOBCHANGED )
+
+/**
+ * @brief Format a JSON status message.
+ *
+ * @param[in] x one of "IN_PROGRESS", "SUCCEEDED", or "FAILED"
+ */
+#define MAKE_STATUS_REPORT( x )    "{\"status\":\"" x "\"}"
+
+/**
+ * @brief The maximum number of times to run the loop in this demo.
+ *
+ * @note The demo loop is attempted to re-run only if it fails in an iteration.
+ * Once the demo loop succeeds in an iteration, the demo exits successfully.
+ */
+#ifndef JOBS_MAX_DEMO_LOOP_COUNT
+    #define JOBS_MAX_DEMO_LOOP_COUNT    ( 3 )
+#endif
+
+/**
+ * @brief Time in ticks to wait between retries of the demo loop if
+ * demo loop fails.
+ */
+#define DELAY_BETWEEN_DEMO_RETRY_ITERATIONS_TICKS    ( pdMS_TO_TICKS( 5000U ) )
+
+/*-----------------------------------------------------------*/
+
+/**
+ * @brief Currently supported actions that a job document can specify.
+ */
+typedef enum JobActionType
+{
+    JOB_ACTION_PRINT,   /**< Print a message. */
+    JOB_ACTION_PUBLISH, /**< Publish a message to an MQTT topic. */
+    JOB_ACTION_EXIT,    /**< Exit the demo. */
+    JOB_ACTION_UNKNOWN  /**< Unknown action. */
+} JobActionType;
+
+/*-----------------------------------------------------------*/
+
+/**
+ * @brief Each compilation unit that consumes the NetworkContext must define it.
+ * It should contain a single pointer to the type of your desired transport.
+ * When using multiple transports in the same compilation unit, define this pointer as void *.
+ *
+ * @note Transport stacks are defined in FreeRTOS-Plus/Source/Application-Protocols/network_transport.
+ */
+struct NetworkContext
+{
+    TlsTransportParams_t * pParams;
+};
+
+/*-----------------------------------------------------------*/
+
+/**
+ * @brief The MQTT context used for MQTT operation.
+ */
+static MQTTContext_t xMqttContext;
+
+/**
+ * @brief The network context used for mbedTLS operation.
+ */
+static NetworkContext_t xNetworkContext;
+
+/**
+ * @brief The parameters for the network context using mbedTLS operation.
+ */
+static TlsTransportParams_t xTlsTransportParams;
+
+/**
+ * @brief Static buffer used to hold MQTT messages being sent and received.
+ */
+static uint8_t usMqttConnectionBuffer[ democonfigNETWORK_BUFFER_SIZE ];
+
+/**
+ * @brief Static buffer used to hold the job ID of the single job that
+ * is executed at a time in the demo. This buffer allows re-use of the MQTT
+ * connection context for sending status updates of a job while it is being
+ * processed.
+ */
+static uint8_t usJobIdBuffer[ democonfigNETWORK_BUFFER_SIZE ];
+
+/**
+ * @brief Static buffer used to hold the job document of the single job that
+ * is executed at a time in the demo. This buffer allows re-use of the MQTT
+ * connection context for sending status updates of a job while it is being processed.
+ */
+static uint8_t usJobsDocumentBuffer[ democonfigNETWORK_BUFFER_SIZE ];
+
+/**
+ * @brief Static buffer used to hold MQTT messages being sent and received.
+ */
+static MQTTFixedBuffer_t xBuffer =
+{
+    .pBuffer = usMqttConnectionBuffer,
+    .size    = democonfigNETWORK_BUFFER_SIZE
+};
+
+/**
+ * @brief A global flag which represents whether a job for the "Exit" action
+ * has been received from AWS IoT Jobs service.
+ */
+static BaseType_t xExitActionJobReceived = pdFALSE;
+
+/**
+ * @brief A global flag which represents whether an error was encountered while
+ * executing the demo.
+ *
+ * @note When this flag is set, the demo terminates execution.
+ */
+static BaseType_t xDemoEncounteredError = pdFALSE;
+
+/*-----------------------------------------------------------*/
+
+/**
+ * @brief Converts a string in a job document to a #JobActionType
+ * value.
+ *
+ * @param[in] pcAction The job action as a string.
+ * @param[in] xActionLength The length of @p pcAction.
+ *
+ * @return A #JobActionType equivalent to the given string.
+ */
+static JobActionType prvGetAction( const char * pcAction,
+                                   size_t xActionLength );
+
+/**
+ * @brief This example uses the MQTT library of the AWS IoT Device SDK for
+ * Embedded C. This is the prototype of the callback function defined by
+ * that library. It will be invoked whenever the MQTT library receives an
+ * incoming message.
+ *
+ * @param[in] pxMqttContext MQTT context pointer.
+ * @param[in] pxPacketInfo Packet Info pointer for the incoming packet.
+ * @param[in] pxDeserializedInfo Deserialized information from the incoming packet.
+ */
+static void prvEventCallback( MQTTContext_t * pxMqttContext,
+                              MQTTPacketInfo_t * pxPacketInfo,
+                              MQTTDeserializedInfo_t * pxDeserializedInfo );
+
+/**
+ * @brief Process payload from NextJobExecutionChanged and DescribeJobExecution
+ * API MQTT topics of AWS IoT Jobs service.
+ *
+ * This handler parses the received payload about the next pending job, identifies
+ * the action requested in the job document, and executes the action.
+ *
+ * @param[in] pPublishInfo Deserialized publish info pointer for the incoming
+ * packet.
+ */
+static void prvNextJobHandler( MQTTPublishInfo_t * pxPublishInfo );
+
+/**
+ * @brief Sends an update for a job to the UpdateJobExecution API of the AWS IoT Jobs service.
+ *
+ * @param[in] pcJobId The job ID whose status has to be updated.
+ * @param[in] usJobIdLength The length of the job ID string.
+ * @param[in] pcJobStatusReport The JSON formatted report to send to the AWS IoT Jobs service
+ * to update the status of @p pcJobId.
+ */
+static void prvSendUpdateForJob( char * pcJobId,
+                                 uint16_t usJobIdLength,
+                                 const char * pcJobStatusReport );
+
+/**
+ * @brief Executes a job received from AWS IoT Jobs service and sends an update back to the service.
+ * It parses the received job document, executes the job depending on the job "Action" type, and
+ * sends an update to AWS for the Job.
+ *
+ * @param[in] pcJobId The ID of the job to execute.
+ * @param[in] usJobIdLength The length of the job ID string.
+ * @param[in] pcJobDocument The JSON document associated with the @a pcJobID job
+ * that is to be processed.
+ * @param[in] usDocumentLength The length of the job document.
+ */
+static void prvProcessJobDocument( char * pcJobId,
+                                   uint16_t usJobIdLength,
+                                   char * pcJobDocument,
+                                   uint16_t jobDocumentLength );
+
+/**
+ * @brief The task used to demonstrate the Jobs library API.
+ *
+ * @param[in] pvParameters Parameters as passed at the time of task creation.
+ * Not used in this example.
+ */
+static void prvJobsDemoTask( void * pvParameters );
+
+
+/*-----------------------------------------------------------*/
+
+static JobActionType prvGetAction( const char * pcAction,
+                                   size_t xActionLength )
+{
+    JobActionType xAction = JOB_ACTION_UNKNOWN;
+
+    configASSERT( pcAction != NULL );
+
+    if( strncmp( pcAction, "print", xActionLength ) == 0 )
+    {
+        xAction = JOB_ACTION_PRINT;
+    }
+    else if( strncmp( pcAction, "publish", xActionLength ) == 0 )
+    {
+        xAction = JOB_ACTION_PUBLISH;
+    }
+    else if( strncmp( pcAction, "exit", xActionLength ) == 0 )
+    {
+        xAction = JOB_ACTION_EXIT;
+    }
+
+    return xAction;
+}
+
+static void prvSendUpdateForJob( char * pcJobId,
+                                 uint16_t usJobIdLength,
+                                 const char * pcJobStatusReport )
+{
+    char pUpdateJobTopic[ JOBS_API_MAX_LENGTH( THING_NAME_LENGTH ) ];
+    size_t ulTopicLength = 0;
+    JobsStatus_t xStatus = JobsSuccess;
+
+    configASSERT( ( pcJobId != NULL ) && ( usJobIdLength > 0 ) );
+    configASSERT( pcJobStatusReport != NULL );
+
+    /* Generate the PUBLISH topic string for the UpdateJobExecution API of AWS IoT Jobs service. */
+    xStatus = Jobs_Update( pUpdateJobTopic,
+                           sizeof( pUpdateJobTopic ),
+                           democonfigTHING_NAME,
+                           THING_NAME_LENGTH,
+                           pcJobId,
+                           usJobIdLength,
+                           &ulTopicLength );
+
+    if( xStatus == JobsSuccess )
+    {
+        if( xPublishToTopic( &xMqttContext,
+                             pUpdateJobTopic,
+                             ulTopicLength,
+                             pcJobStatusReport,
+                             strlen( pcJobStatusReport ) ) == pdFALSE )
+        {
+            /* Set global flag to terminate demo as PUBLISH operation to update job status failed. */
+            xDemoEncounteredError = pdTRUE;
+
+            LogError( ( "Failed to update the status of job: JobID=%.*s, NewStatePayload=%s",
+                        usJobIdLength, pcJobId, pcJobStatusReport ) );
+        }
+    }
+    else
+    {
+        /* Set global flag to terminate demo as topic generation for UpdateJobExecution API failed. */
+        xDemoEncounteredError = pdTRUE;
+
+        LogError( ( "Failed to generate Publish topic string for sending job update: "
+                    "JobID=%.*s, NewStatePayload=%s",
+                    usJobIdLength, pcJobId, pcJobStatusReport ) );
+    }
+}
+
+static void prvProcessJobDocument( char * pcJobId,
+                                   uint16_t usJobIdLength,
+                                   char * pcJobDocument,
+                                   uint16_t jobDocumentLength )
+{
+    char * pcAction = NULL;
+    size_t uActionLength = 0U;
+    JSONStatus_t xJsonStatus = JSONSuccess;
+
+    configASSERT( pcJobId != NULL );
+    configASSERT( usJobIdLength > 0 );
+    configASSERT( pcJobDocument != NULL );
+    configASSERT( jobDocumentLength > 0 );
+
+    xJsonStatus = JSON_Search( pcJobDocument,
+                               jobDocumentLength,
+                               jobsexampleQUERY_KEY_FOR_ACTION,
+                               jobsexampleQUERY_KEY_FOR_ACTION_LENGTH,
+                               &pcAction,
+                               &uActionLength );
+
+    if( xJsonStatus != JSONSuccess )
+    {
+        LogError( ( "Job document schema is invalid. Missing expected \"action\" key in document." ) );
+        prvSendUpdateForJob( pcJobId, usJobIdLength, MAKE_STATUS_REPORT( "FAILED" ) );
+    }
+    else
+    {
+        JobActionType xActionType = JOB_ACTION_UNKNOWN;
+        char * pcMessage = NULL;
+        size_t ulMessageLength = 0U;
+
+        xActionType = prvGetAction( pcAction, uActionLength );
+
+        switch( xActionType )
+        {
+            case JOB_ACTION_EXIT:
+                LogInfo( ( "Received job contains \"exit\" action. Updating state of demo." ) );
+                xExitActionJobReceived = pdTRUE;
+                prvSendUpdateForJob( pcJobId, usJobIdLength, MAKE_STATUS_REPORT( "SUCCEEDED" ) );
+                break;
+
+            case JOB_ACTION_PRINT:
+                LogInfo( ( "Received job contains \"print\" action." ) );
+
+                xJsonStatus = JSON_Search( pcJobDocument,
+                                           jobDocumentLength,
+                                           jobsexampleQUERY_KEY_FOR_MESSAGE,
+                                           jobsexampleQUERY_KEY_FOR_MESSAGE_LENGTH,
+                                           &pcMessage,
+                                           &ulMessageLength );
+
+                if( xJsonStatus == JSONSuccess )
+                {
+                    /* Print the given message if the action is "print". */
+                    LogInfo( ( "\r\n"
+                               "/*-----------------------------------------------------------*/\r\n"
+                               "\r\n"
+                               "%.*s\r\n"
+                               "\r\n"
+                               "/*-----------------------------------------------------------*/\r\n"
+                               "\r\n", ulMessageLength, pcMessage ) );
+                    prvSendUpdateForJob( pcJobId, usJobIdLength, MAKE_STATUS_REPORT( "SUCCEEDED" ) );
+                }
+                else
+                {
+                    LogError( ( "Job document schema is invalid. Missing \"message\" for \"print\" action type." ) );
+                    prvSendUpdateForJob( pcJobId, usJobIdLength, MAKE_STATUS_REPORT( "FAILED" ) );
+                }
+
+                break;
+
+            case JOB_ACTION_PUBLISH:
+                LogInfo( ( "Received job contains \"publish\" action." ) );
+                char * pcTopic = NULL;
+                size_t ulTopicLength = 0U;
+
+                xJsonStatus = JSON_Search( pcJobDocument,
+                                           jobDocumentLength,
+                                           jobsexampleQUERY_KEY_FOR_TOPIC,
+                                           jobsexampleQUERY_KEY_FOR_TOPIC_LENGTH,
+                                           &pcTopic,
+                                           &ulTopicLength );
+
+                /* Search for "topic" key in the Jobs document.*/
+                if( xJsonStatus != JSONSuccess )
+                {
+                    LogError( ( "Job document schema is invalid. Missing \"topic\" key for \"publish\" action type." ) );
+                    prvSendUpdateForJob( pcJobId, usJobIdLength, MAKE_STATUS_REPORT( "FAILED" ) );
+                }
+                else
+                {
+                    xJsonStatus = JSON_Search( pcJobDocument,
+                                               jobDocumentLength,
+                                               jobsexampleQUERY_KEY_FOR_MESSAGE,
+                                               jobsexampleQUERY_KEY_FOR_MESSAGE_LENGTH,
+                                               &pcMessage,
+                                               &ulMessageLength );
+
+                    /* Search for "message" key in Jobs document.*/
+                    if( xJsonStatus == JSONSuccess )
+                    {
+                        /* Publish to the parsed MQTT topic with the message obtained from
+                         * the Jobs document.*/
+                        if( xPublishToTopic( &xMqttContext,
+                                             pcTopic,
+                                             ulTopicLength,
+                                             pcMessage,
+                                             ulMessageLength ) == pdFALSE )
+                        {
+                            /* Set global flag to terminate demo as PUBLISH operation to execute job failed. */
+                            xDemoEncounteredError = pdTRUE;
+
+                            LogError( ( "Failed to execute job with \"publish\" action: Failed to publish to topic. "
+                                        "JobID=%.*s, Topic=%.*s",
+                                        usJobIdLength, pcJobId, ulTopicLength, pcTopic ) );
+                        }
+
+                        prvSendUpdateForJob( pcJobId, usJobIdLength, MAKE_STATUS_REPORT( "SUCCEEDED" ) );
+                    }
+                    else
+                    {
+                        LogError( ( "Job document schema is invalid. Missing \"message\" key for \"publish\" action type." ) );
+                        prvSendUpdateForJob( pcJobId, usJobIdLength, MAKE_STATUS_REPORT( "FAILED" ) );
+                    }
+                }
+
+                break;
+
+            default:
+                configPRINTF( ( "Received Job document with unknown action %.*s.",
+                                uActionLength, pcAction ) );
+                break;
+        }
+    }
+}
+
+static void prvNextJobHandler( MQTTPublishInfo_t * pxPublishInfo )
+{
+    configASSERT( pxPublishInfo != NULL );
+    configASSERT( ( pxPublishInfo->pPayload != NULL ) && ( pxPublishInfo->payloadLength > 0 ) );
+
+    /* Check validity of JSON message response from server.*/
+    if( JSON_Validate( pxPublishInfo->pPayload, pxPublishInfo->payloadLength ) != JSONSuccess )
+    {
+        LogError( ( "Received invalid JSON payload from AWS IoT Jobs service" ) );
+    }
+    else
+    {
+        char * pcJobId = NULL;
+        size_t ulJobIdLength = 0UL;
+
+        /* Parse the Job ID of the next pending job execution from the JSON payload. */
+        if( JSON_Search( ( char * ) pxPublishInfo->pPayload,
+                         pxPublishInfo->payloadLength,
+                         jobsexampleQUERY_KEY_FOR_JOB_ID,
+                         jobsexampleQUERY_KEY_FOR_JOB_ID_LENGTH,
+                         &pcJobId,
+                         &ulJobIdLength ) != JSONSuccess )
+        {
+            LogWarn( ( "Failed to parse Job ID in message received from AWS IoT Jobs service: "
+                       "IncomingTopic=%.*s, Payload=%.*s",
+                       pxPublishInfo->topicNameLength, pxPublishInfo->pTopicName,
+                       pxPublishInfo->payloadLength, pxPublishInfo->pPayload ) );
+        }
+        else
+        {
+            char * pcJobDocLoc = NULL;
+            size_t ulJobDocLength = 0UL;
+
+            configASSERT( ulJobIdLength < JOBS_JOBID_MAX_LENGTH );
+            LogInfo( ( "Received a Job from AWS IoT Jobs service: JobId=%.*s",
+                       ulJobIdLength, pcJobId ) );
+
+            /* Copy the Job ID in the global buffer. This is done so that
+             * the MQTT context's network buffer can be used for sending jobs
+             * status updates to the AWS IoT Jobs service. */
+            memcpy( usJobIdBuffer, pcJobId, ulJobIdLength );
+
+            /* Search for the jobs document in the payload. */
+            if( JSON_Search( ( char * ) pxPublishInfo->pPayload,
+                             pxPublishInfo->payloadLength,
+                             jobsexampleQUERY_KEY_FOR_JOBS_DOC,
+                             jobsexampleQUERY_KEY_FOR_JOBS_DOC_LENGTH,
+                             &pcJobDocLoc,
+                             &ulJobDocLength ) != JSONSuccess )
+            {
+                LogWarn( ( "Failed to parse document of next job received from AWS IoT Jobs service: "
+                           "Topic=%.*s, JobID=%.*s",
+                           pxPublishInfo->topicNameLength, pxPublishInfo->pTopicName,
+                           ulJobIdLength, pcJobId ) );
+            }
+            else
+            {
+                /* Copy the Job document in buffer. This is done so that the MQTT connection buffer can
+                 * be used for sending jobs status updates to the AWS IoT Jobs service. */
+                memcpy( usJobsDocumentBuffer, pcJobDocLoc, ulJobDocLength );
+
+                /* Process the Job document and execute the job. */
+                prvProcessJobDocument( usJobIdBuffer,
+                                       ( uint16_t ) ulJobIdLength,
+                                       usJobsDocumentBuffer,
+                                       ulJobDocLength );
+            }
+        }
+    }
+}
+
+/*-----------------------------------------------------------*/
+
+/* This is the callback function invoked by the MQTT stack when it receives
+ * incoming messages. This function demonstrates how to use the Jobs_MatchTopic
+ * function to determine whether the incoming message is a Jobs message
+ * or not. If it is, it handles the message depending on the message type.
+ */
+static void prvEventCallback( MQTTContext_t * pxMqttContext,
+                              MQTTPacketInfo_t * pxPacketInfo,
+                              MQTTDeserializedInfo_t * pxDeserializedInfo )
+{
+    uint16_t usPacketIdentifier;
+
+    ( void ) pxMqttContext;
+
+    configASSERT( pxDeserializedInfo != NULL );
+    configASSERT( pxMqttContext != NULL );
+    configASSERT( pxPacketInfo != NULL );
+
+    usPacketIdentifier = pxDeserializedInfo->packetIdentifier;
+
+    /* Handle incoming publish. The lower 4 bits of the publish packet
+     * type is used for the dup, QoS, and retain flags. Hence masking
+     * out the lower bits to check if the packet is publish. */
+    if( ( pxPacketInfo->type & 0xF0U ) == MQTT_PACKET_TYPE_PUBLISH )
+    {
+        configASSERT( pxDeserializedInfo->pPublishInfo != NULL );
+        JobsTopic_t topicType = JobsMaxTopic;
+        JobsStatus_t xStatus = JobsError;
+
+        LogDebug( ( "Received an incoming publish message: TopicName=%.*s",
+                    pxDeserializedInfo->pPublishInfo->topicNameLength,
+                    ( const char * ) pxDeserializedInfo->pPublishInfo->pTopicName ) );
+
+        /* Let the Jobs library tell us whether this is a Jobs message. */
+        xStatus = Jobs_MatchTopic( ( char * ) pxDeserializedInfo->pPublishInfo->pTopicName,
+                                   pxDeserializedInfo->pPublishInfo->topicNameLength,
+                                   democonfigTHING_NAME,
+                                   THING_NAME_LENGTH,
+                                   &topicType,
+                                   NULL,
+                                   NULL );
+
+        if( xStatus == JobsSuccess )
+        {
+            /* Upon successful return, the messageType has been filled in. */
+            if( ( topicType == JobsDescribeSuccess ) || ( topicType == JobsNextJobChanged ) )
+            {
+                /* Handler function to process payload. */
+                prvNextJobHandler( pxDeserializedInfo->pPublishInfo );
+            }
+            else if( topicType == JobsUpdateSuccess )
+            {
+                LogInfo( ( "Job update status request has been accepted by AWS Iot Jobs service." ) );
+            }
+            else if( topicType == JobsStartNextFailed )
+            {
+                LogWarn( ( "Request for next job description rejected: RejectedResponse=%.*s.",
+                           pxDeserializedInfo->pPublishInfo->payloadLength,
+                           ( const char * ) pxDeserializedInfo->pPublishInfo->pPayload ) );
+            }
+            else if( topicType == JobsUpdateFailed )
+            {
+                /* Set the global flag to terminate the demo, because the request for updating and executing the job status
+                 * has been rejected by the AWS IoT Jobs service. */
+                xDemoEncounteredError = pdTRUE;
+
+                LogWarn( ( "Request for job update rejected: RejectedResponse=%.*s.",
+                           pxDeserializedInfo->pPublishInfo->payloadLength,
+                           ( const char * ) pxDeserializedInfo->pPublishInfo->pPayload ) );
+
+                LogError( ( "Terminating demo as request to update job status has been rejected by "
+                            "AWS IoT Jobs service..." ) );
+            }
+            else
+            {
+                LogWarn( ( "Received an unexpected messages from AWS IoT Jobs service: "
+                           "JobsTopicType=%u", topicType ) );
+            }
+        }
+        else if( xStatus == JobsNoMatch )
+        {
+            LogWarn( ( "Incoming message topic does not belong to AWS IoT Jobs!: topic=%.*s",
+                       pxDeserializedInfo->pPublishInfo->topicNameLength,
+                       ( const char * ) pxDeserializedInfo->pPublishInfo->pTopicName ) );
+        }
+        else
+        {
+            LogError( ( "Failed to parse incoming publish job. Topic=%.*s!",
+                        pxDeserializedInfo->pPublishInfo->topicNameLength,
+                        ( const char * ) pxDeserializedInfo->pPublishInfo->pTopicName ) );
+        }
+    }
+    else
+    {
+        vHandleOtherIncomingPacket( pxPacketInfo, usPacketIdentifier );
+    }
+}
+
+/*-----------------------------------------------------------*/
+
+/*
+ * @brief Create the task that demonstrates the Jobs library API via a
+ * MQTT mutually authenticated network connection with the AWS IoT broker.
+ */
+void vStartJobsDemo( void )
+{
+    /* This example uses a single application task, which shows that how to
+    * use Jobs library to generate and validate AWS IoT Jobs service MQTT topics
+    * via coreMQTT library to communicate with the AWS IoT Jobs service. */
+    xTaskCreate( prvJobsDemoTask,          /* Function that implements the task. */
+                 "DemoTask",               /* Text name for the task - only used for debugging. */
+                 democonfigDEMO_STACKSIZE, /* Size of stack (in words, not bytes) to allocate for the task. */
+                 NULL,                     /* Task parameter - not used in this case. */
+                 tskIDLE_PRIORITY,         /* Task priority, must be between 0 and configMAX_PRIORITIES - 1. */
+                 NULL );                   /* Used to pass out a handle to the created task - not used in this case. */
+}
+
+/*-----------------------------------------------------------*/
+
+/**
+ * @brief Entry point of the Jobs demo.
+ *
+ * This main function demonstrates how to use the Jobs library API library.
+ *
+ * This demo uses helper functions for MQTT operations that have internal
+ * loops to process incoming messages. Those are not the focus of this demo
+ * and therefore, are placed in a separate file mqtt_demo_helpers.c.
+ *
+ * This function also shows that the communication with the AWS IoT Jobs services does
+ * not require explicit subscriptions to the response MQTT topics for request commands that
+ * sent to the MQTT APIs (like DescribeJobExecution API) of the service. The service
+ * will send messages on the response topics for the request commands on the same
+ * MQTT connection irrespective of whether the client subscribes to the response topics.
+ * Therefore, this demo processes incoming messages from response topics of DescribeJobExecution
+ * and UpdateJobExecution APIs without explicitly subscribing to the topics.
+ */
+void prvJobsDemoTask( void * pvParameters )
+{
+    BaseType_t xDemoStatus = pdPASS;
+    UBaseType_t uxDemoRunCount = 0UL;
+    BaseType_t retryDemoLoop = pdFALSE;
+
+    /* Remove compiler warnings about unused parameters. */
+    ( void ) pvParameters;
+
+    /* Set the pParams member of the network context with desired transport. */
+    xNetworkContext.pParams = &xTlsTransportParams;
+
+    /* This demo runs a single loop unless there are failures in the demo execution.
+     * In case of failures in the demo execution, demo loop will be retried for up to
+     * JOBS_MAX_DEMO_LOOP_COUNT times. */
+    do
+    {
+        /* Establish an MQTT connection with AWS IoT over a mutually authenticated TLS session. */
+        xDemoStatus = xEstablishMqttSession( &xMqttContext,
+                                             &xNetworkContext,
+                                             &xBuffer,
+                                             prvEventCallback );
+
+        if( xDemoStatus == pdFAIL )
+        {
+            /* Log error to indicate connection failure. */
+            LogError( ( "Failed to connect to AWS IoT broker." ) );
+        }
+        else
+        {
+            /* Print out a short user guide to the console. The default logging
+             * limit of 255 characters can be changed in demo_logging.c, but breaking
+             * up the only instance of a 1000+ character string is more practical. */
+            LogInfo( ( "\r\n"
+                       "/*-----------------------------------------------------------*/\r\n"
+                       "\r\n"
+                       "The Jobs demo is now ready to accept Jobs.\r\n"
+                       "Jobs may be created using the AWS IoT console or AWS CLI.\r\n"
+                       "See the following link for more information.\r\n" ) );
+            LogInfo( ( "\r"
+                       "https://docs.aws.amazon.com/cli/latest/reference/iot/create-job.html\r\n"
+                       "\r\n"
+                       "This demo expects Job documents to have an \"action\" JSON key.\r\n"
+                       "The following actions are currently supported:\r\n" ) );
+            LogInfo( ( "\r"
+                       " - print          \r\n"
+                       "   Logs a message to the local console. The Job document must also contain a \"message\".\r\n"
+                       "   For example: { \"action\": \"print\", \"message\": \"Hello world!\"} will cause\r\n"
+                       "   \"Hello world!\" to be printed on the console.\r\n" ) );
+            LogInfo( ( "\r"
+                       " - publish        \r\n"
+                       "   Publishes a message to an MQTT topic. The Job document must also contain a \"message\" and \"topic\".\r\n" ) );
+            LogInfo( ( "\r"
+                       "   For example: { \"action\": \"publish\", \"topic\": \"demo/jobs\", \"message\": \"Hello world!\"} will cause\r\n"
+                       "   \"Hello world!\" to be published to the topic \"demo/jobs\".\r\n" ) );
+            LogInfo( ( "\r"
+                       " - exit           \r\n"
+                       "   Exits the demo program. This program will run until { \"action\": \"exit\" } is received.\r\n"
+                       "\r\n"
+                       "/*-----------------------------------------------------------*/\r\n" ) );
+
+            /* Subscribe to the NextJobExecutionChanged API topic to receive notifications about the next pending
+             * job in the queue for the Thing resource used by this demo. */
+            if( xSubscribeToTopic( &xMqttContext,
+                                   NEXT_JOB_EXECUTION_CHANGED_TOPIC( democonfigTHING_NAME ),
+                                   sizeof( NEXT_JOB_EXECUTION_CHANGED_TOPIC( democonfigTHING_NAME ) ) - 1 ) != pdPASS )
+            {
+                xDemoStatus = pdFAIL;
+                LogError( ( "Failed to subscribe to NextJobExecutionChanged API of AWS IoT Jobs service: Topic=%s",
+                            NEXT_JOB_EXECUTION_CHANGED_TOPIC( democonfigTHING_NAME ) ) );
+            }
+        }
+
+        if( xDemoStatus == pdPASS )
+        {
+            /* Publish to AWS IoT Jobs on the DescribeJobExecution API to request the next pending job.
+             *
+             * Note: It is not required to make MQTT subscriptions to the response topics of the
+             * DescribeJobExecution API because the AWS IoT Jobs service sends responses for
+             * the PUBLISH commands on the same MQTT connection irrespective of whether the client has subscribed
+             * to the response topics or not.
+             * This demo processes incoming messages from the response topics of the API in the prvEventCallback()
+             * handler that is supplied to the coreMQTT library. */
+            if( xPublishToTopic( &xMqttContext,
+                                 DESCRIBE_NEXT_JOB_TOPIC( democonfigTHING_NAME ),
+                                 sizeof( DESCRIBE_NEXT_JOB_TOPIC( democonfigTHING_NAME ) ) - 1,
+                                 NULL,
+                                 0 ) != pdPASS )
+            {
+                xDemoStatus = pdFAIL;
+                LogError( ( "Failed to publish to DescribeJobExecution API of AWS IoT Jobs service: "
+                            "Topic=%s", DESCRIBE_NEXT_JOB_TOPIC( democonfigTHING_NAME ) ) );
+            }
+        }
+
+        /* Keep on running the demo until we receive a job for the "exit" action to exit the demo. */
+        while( ( xExitActionJobReceived == pdFALSE ) &&
+               ( xDemoEncounteredError == pdFALSE ) &&
+               ( xDemoStatus == pdPASS ) )
+        {
+            MQTTStatus_t xMqttStatus = MQTTSuccess;
+
+            /* Check if we have notification for the next pending job in the queue from the
+             * NextJobExecutionChanged API of the AWS IoT Jobs service. */
+            xMqttStatus = MQTT_ProcessLoop( &xMqttContext, 300U );
+
+            if( xMqttStatus != MQTTSuccess )
+            {
+                xDemoStatus = pdFAIL;
+                LogError( ( "Failed to receive notification about next pending job: "
+                            "MQTT_ProcessLoop failed" ) );
+            }
+        }
+
+        /* Increment the demo run count. */
+        uxDemoRunCount++;
+
+        /* Retry demo loop only if there is a failure before completing
+         * the processing of any pending jobs. Any failure in MQTT unsubscribe
+         * or disconnect is considered a failure in demo execution and retry
+         * will not be attempted since a retry without any pending jobs will
+         * make this demo indefinitely wait. */
+        if( ( xDemoStatus == pdFAIL ) || ( xDemoEncounteredError == pdTRUE ) )
+        {
+            if( uxDemoRunCount < JOBS_MAX_DEMO_LOOP_COUNT )
+            {
+                LogWarn( ( "Demo iteration %lu failed. Retrying...", uxDemoRunCount ) );
+                retryDemoLoop = pdTRUE;
+            }
+            else
+            {
+                LogError( ( "All %d demo iterations failed.", JOBS_MAX_DEMO_LOOP_COUNT ) );
+                retryDemoLoop = pdFALSE;
+            }
+        }
+        else
+        {
+            /* Reset the flag for demo retry. */
+            retryDemoLoop = pdFALSE;
+        }
+
+        /* Unsubscribe from the NextJobExecutionChanged API topic. */
+        if( xUnsubscribeFromTopic( &xMqttContext,
+                                   NEXT_JOB_EXECUTION_CHANGED_TOPIC( democonfigTHING_NAME ),
+                                   sizeof( NEXT_JOB_EXECUTION_CHANGED_TOPIC( democonfigTHING_NAME ) ) - 1 ) != pdPASS )
+        {
+            xDemoStatus = pdFAIL;
+            LogError( ( "Failed to subscribe unsubscribe from the NextJobExecutionChanged API of AWS IoT Jobs service: "
+                        "Topic=%s", NEXT_JOB_EXECUTION_CHANGED_TOPIC( democonfigTHING_NAME ) ) );
+        }
+
+        /* Disconnect the MQTT and network connections with AWS IoT. */
+        if( xDisconnectMqttSession( &xMqttContext, &xNetworkContext ) != pdPASS )
+        {
+            xDemoStatus = pdFAIL;
+            LogError( ( "Disconnection from AWS IoT failed..." ) );
+        }
+
+        /* Add a delay if a retry is required. */
+        if( retryDemoLoop == pdTRUE )
+        {
+            /* Clear the flag that indicates that indicates the demo error
+             * before attempting a retry. */
+            xDemoEncounteredError = pdFALSE;
+
+            LogInfo( ( "A short delay before the next demo iteration." ) );
+            vTaskDelay( DELAY_BETWEEN_DEMO_RETRY_ITERATIONS_TICKS );
+        }
+    } while( retryDemoLoop == pdTRUE );
+
+    if( ( xDemoEncounteredError == pdFALSE ) && ( xDemoStatus == pdPASS ) )
+    {
+        LogInfo( ( "Demo completed successfully." ) );
+    }
+
+    /* Delete this demo task. */
+    LogInfo( ( "Deleting Jobs Demo task." ) );
+    vTaskDelete( NULL );
+}

FreeRTOS-Plus/Demo/AWS/Jobs_Windows_Simulator/Jobs_Demo/FreeRTOSConfig.h

@@ -0,0 +1,209 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ */
+
+#ifndef FREERTOS_CONFIG_H
+#define FREERTOS_CONFIG_H
+
+/*-----------------------------------------------------------
+* Application specific definitions.
+*
+* These definitions should be adjusted for your particular hardware and
+* application requirements.
+*
+* THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
+* FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
+* http://www.freertos.org/a00110.html
+*
+* The bottom of this file contains some constants specific to running the UDP
+* stack in this demo.  Constants specific to FreeRTOS+TCP itself (rather than
+* the demo) are contained in FreeRTOSIPConfig.h.
+*----------------------------------------------------------*/
+#define configUSE_PREEMPTION                       1
+#define configUSE_PORT_OPTIMISED_TASK_SELECTION    1
+#define configMAX_PRIORITIES                       ( 7 )
+#define configTICK_RATE_HZ                         ( 1000 )                  /* In this non-real time simulated environment the tick frequency has to be at least a multiple of the Win32 tick frequency, and therefore very slow. */
+#define configMINIMAL_STACK_SIZE                   ( ( unsigned short ) 60 ) /* In this simulated case, the stack only has to hold one small structure as the real stack is part of the Win32 thread. */
+#define configTOTAL_HEAP_SIZE                      ( ( size_t ) ( 2048U * 1024U ) )
+#define configMAX_TASK_NAME_LEN                    ( 15 )
+#define configUSE_TRACE_FACILITY                   0
+#define configUSE_16_BIT_TICKS                     0
+#define configIDLE_SHOULD_YIELD                    1
+#define configUSE_CO_ROUTINES                      0
+#define configUSE_MUTEXES                          1
+#define configUSE_RECURSIVE_MUTEXES                1
+#define configQUEUE_REGISTRY_SIZE                  0
+#define configUSE_APPLICATION_TASK_TAG             0
+#define configUSE_COUNTING_SEMAPHORES              1
+#define configUSE_ALTERNATIVE_API                  0
+#define configNUM_THREAD_LOCAL_STORAGE_POINTERS    0
+#define configENABLE_BACKWARD_COMPATIBILITY        1
+#define configSUPPORT_STATIC_ALLOCATION            1
+
+/* Hook function related definitions. */
+#define configUSE_TICK_HOOK                        0
+#define configUSE_IDLE_HOOK                        0
+#define configUSE_MALLOC_FAILED_HOOK               0
+#define configCHECK_FOR_STACK_OVERFLOW             0 /* Not applicable to the Win32 port. */
+
+/* Software timer related definitions. */
+#define configUSE_TIMERS                           1
+#define configTIMER_TASK_PRIORITY                  ( configMAX_PRIORITIES - 1 )
+#define configTIMER_QUEUE_LENGTH                   5
+#define configTIMER_TASK_STACK_DEPTH               ( configMINIMAL_STACK_SIZE * 2 )
+
+/* Event group related definitions. */
+#define configUSE_EVENT_GROUPS                     1
+
+/* Run time stats gathering configuration options. */
+#define configGENERATE_RUN_TIME_STATS              0
+
+/* Co-routine definitions. */
+#define configUSE_CO_ROUTINES                      0
+#define configMAX_CO_ROUTINE_PRIORITIES            ( 2 )
+
+/* Set the following definitions to 1 to include the API function, or zero
+ * to exclude the API function. */
+#define INCLUDE_vTaskPrioritySet                   1
+#define INCLUDE_uxTaskPriorityGet                  1
+#define INCLUDE_vTaskDelete                        1
+#define INCLUDE_vTaskCleanUpResources              0
+#define INCLUDE_vTaskSuspend                       1
+#define INCLUDE_vTaskDelayUntil                    1
+#define INCLUDE_vTaskDelay                         1
+#define INCLUDE_uxTaskGetStackHighWaterMark        1
+#define INCLUDE_xTaskGetSchedulerState             1
+#define INCLUDE_xTimerGetTimerTaskHandle           0
+#define INCLUDE_xTaskGetIdleTaskHandle             0
+#define INCLUDE_xQueueGetMutexHolder               1
+#define INCLUDE_eTaskGetState                      1
+#define INCLUDE_xEventGroupSetBitsFromISR          1
+#define INCLUDE_xTimerPendFunctionCall             1
+#define INCLUDE_pcTaskGetTaskName                  1
+
+/* This demo makes use of one or more example stats formatting functions.  These
+ * format the raw data provided by the uxTaskGetSystemState() function in to human
+ * readable ASCII form.  See the notes in the implementation of vTaskList() within
+ * FreeRTOS/Source/tasks.c for limitations.  configUSE_STATS_FORMATTING_FUNCTIONS
+ * is set to 2 so the formatting functions are included without the stdio.h being
+ * included in tasks.c.  That is because this project defines its own sprintf()
+ * functions. */
+#define configUSE_STATS_FORMATTING_FUNCTIONS       1
+
+/* Assert call defined for debug builds. */
+#ifdef _DEBUG
+    extern void vAssertCalled( const char * pcFile,
+                               uint32_t ulLine );
+    #define configASSERT( x )    if( ( x ) == 0 ) vAssertCalled( __FILE__, __LINE__ )
+#endif /* _DEBUG */
+
+
+
+/* Application specific definitions follow. **********************************/
+
+/* Only used when running in the FreeRTOS Windows simulator.  Defines the
+ * priority of the task used to simulate Ethernet interrupts. */
+#define configMAC_ISR_SIMULATOR_PRIORITY    ( configMAX_PRIORITIES - 1 )
+
+/* This demo creates a virtual network connection by accessing the raw Ethernet
+ * or WiFi data to and from a real network connection.  Many computers have more
+ * than one real network port, and configNETWORK_INTERFACE_TO_USE is used to tell
+ * the demo which real port should be used to create the virtual port.  The ports
+ * available are displayed on the console when the application is executed.  For
+ * example, on my development laptop setting configNETWORK_INTERFACE_TO_USE to 4
+ * results in the wired network being used, while setting
+ * configNETWORK_INTERFACE_TO_USE to 2 results in the wireless network being
+ * used. */
+#define configNETWORK_INTERFACE_TO_USE      ( 0L )
+
+/* The address to which logging is sent should UDP logging be enabled. */
+#define configUDP_LOGGING_ADDR0             192
+#define configUDP_LOGGING_ADDR1             168
+#define configUDP_LOGGING_ADDR2             0
+#define configUDP_LOGGING_ADDR3             11
+
+/* Default MAC address configuration.  The demo creates a virtual network
+ * connection that uses this MAC address by accessing the raw Ethernet/WiFi data
+ * to and from a real network connection on the host PC.  See the
+ * configNETWORK_INTERFACE_TO_USE definition above for information on how to
+ * configure the real network connection to use. */
+#define configMAC_ADDR0                     0x00
+#define configMAC_ADDR1                     0x11
+#define configMAC_ADDR2                     0x11
+#define configMAC_ADDR3                     0x11
+#define configMAC_ADDR4                     0x11
+#define configMAC_ADDR5                     0x41
+
+/* Default IP address configuration.  Used in ipconfigUSE_DNS is set to 0, or
+ * ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configIP_ADDR0                      10
+#define configIP_ADDR1                      10
+#define configIP_ADDR2                      10
+#define configIP_ADDR3                      200
+
+/* Default gateway IP address configuration.  Used in ipconfigUSE_DNS is set to
+ * 0, or ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configGATEWAY_ADDR0                 10
+#define configGATEWAY_ADDR1                 10
+#define configGATEWAY_ADDR2                 10
+#define configGATEWAY_ADDR3                 1
+
+/* Default DNS server configuration.  OpenDNS addresses are 208.67.222.222 and
+ * 208.67.220.220.  Used in ipconfigUSE_DNS is set to 0, or ipconfigUSE_DNS is set
+ * to 1 but a DNS server cannot be contacted.*/
+#define configDNS_SERVER_ADDR0              208
+#define configDNS_SERVER_ADDR1              67
+#define configDNS_SERVER_ADDR2              222
+#define configDNS_SERVER_ADDR3              222
+
+/* Default netmask configuration.  Used in ipconfigUSE_DNS is set to 0, or
+ * ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configNET_MASK0                     255
+#define configNET_MASK1                     0
+#define configNET_MASK2                     0
+#define configNET_MASK3                     0
+
+/* The UDP port to which print messages are sent. */
+#define configPRINT_PORT                    ( 15000 )
+
+
+#if ( defined( _MSC_VER ) && ( _MSC_VER <= 1600 ) && !defined( snprintf ) )
+    /* Map to Windows names. */
+    #define snprintf     _snprintf
+    #define vsnprintf    _vsnprintf
+#endif
+
+/* Visual studio does not have an implementation of strcasecmp(). */
+#define strcasecmp     _stricmp
+#define strncasecmp    _strnicmp
+#define strcmpi        _strcmpi
+
+/* Prototype for the function used to print out.  In this case it prints to the
+ * console before the network is connected then a UDP port after the network has
+ * connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+#define configPRINTF( X )    vLoggingPrintf X
+
+#endif /* FREERTOS_CONFIG_H */

FreeRTOS-Plus/Demo/AWS/Jobs_Windows_Simulator/Jobs_Demo/FreeRTOSIPConfig.h

@@ -0,0 +1,309 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ */
+
+
+/*****************************************************************************
+*
+* See the following URL for configuration information.
+* http://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html
+*
+*****************************************************************************/
+
+#ifndef FREERTOS_IP_CONFIG_H
+#define FREERTOS_IP_CONFIG_H
+
+/* Prototype for the function used to print out.  In this case it prints to the
+ * console before the network is connected then a UDP port after the network has
+ * connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Set to 1 to print out debug messages.  If ipconfigHAS_DEBUG_PRINTF is set to
+ * 1 then FreeRTOS_debug_printf should be defined to the function used to print
+ * out the debugging messages. */
+#define ipconfigHAS_DEBUG_PRINTF    0
+#if ( ipconfigHAS_DEBUG_PRINTF == 1 )
+    #define FreeRTOS_debug_printf( X )    vLoggingPrintf X
+#endif
+
+/* Set to 1 to print out non debugging messages, for example the output of the
+ * FreeRTOS_netstat() command, and ping replies.  If ipconfigHAS_PRINTF is set to 1
+ * then FreeRTOS_printf should be set to the function used to print out the
+ * messages. */
+#define ipconfigHAS_PRINTF    1
+#if ( ipconfigHAS_PRINTF == 1 )
+    #define FreeRTOS_printf( X )    vLoggingPrintf X
+#endif
+
+/* Define the byte order of the target MCU (the MCU FreeRTOS+TCP is executing
+ * on).  Valid options are pdFREERTOS_BIG_ENDIAN and pdFREERTOS_LITTLE_ENDIAN. */
+#define ipconfigBYTE_ORDER                         pdFREERTOS_LITTLE_ENDIAN
+
+/* If the network card/driver includes checksum offloading (IP/TCP/UDP checksums)
+ * then set ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM to 1 to prevent the software
+ * stack repeating the checksum calculations. */
+#define ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM     1
+
+/* Several API's will block until the result is known, or the action has been
+ * performed, for example FreeRTOS_send() and FreeRTOS_recv().  The timeouts can be
+ * set per socket, using setsockopt().  If not set, the times below will be
+ * used as defaults. */
+#define ipconfigSOCK_DEFAULT_RECEIVE_BLOCK_TIME    ( 2000 )
+#define ipconfigSOCK_DEFAULT_SEND_BLOCK_TIME       ( 5000 )
+
+/* Include support for LLMNR: Link-local Multicast Name Resolution
+ * (non-Microsoft) */
+#define ipconfigUSE_LLMNR                          ( 0 )
+
+/* Include support for NBNS: NetBIOS Name Service (Microsoft) */
+#define ipconfigUSE_NBNS                           ( 0 )
+
+/* Include support for DNS caching.  For TCP, having a small DNS cache is very
+ * useful.  When a cache is present, ipconfigDNS_REQUEST_ATTEMPTS can be kept low
+ * and also DNS may use small timeouts.  If a DNS reply comes in after the DNS
+ * socket has been destroyed, the result will be stored into the cache.  The next
+ * call to FreeRTOS_gethostbyname() will return immediately, without even creating
+ * a socket. */
+#define ipconfigUSE_DNS_CACHE                      ( 1 )
+#define ipconfigDNS_CACHE_NAME_LENGTH              ( 64 )
+#define ipconfigDNS_CACHE_ENTRIES                  ( 4 )
+#define ipconfigDNS_REQUEST_ATTEMPTS               ( 2 )
+
+/* The IP stack executes it its own task (although any application task can make
+ * use of its services through the published sockets API). ipconfigUDP_TASK_PRIORITY
+ * sets the priority of the task that executes the IP stack.  The priority is a
+ * standard FreeRTOS task priority so can take any value from 0 (the lowest
+ * priority) to (configMAX_PRIORITIES - 1) (the highest priority).
+ * configMAX_PRIORITIES is a standard FreeRTOS configuration parameter defined in
+ * FreeRTOSConfig.h, not FreeRTOSIPConfig.h. Consideration needs to be given as to
+ * the priority assigned to the task executing the IP stack relative to the
+ * priority assigned to tasks that use the IP stack. */
+#define ipconfigIP_TASK_PRIORITY                   ( configMAX_PRIORITIES - 2 )
+
+/* The size, in words (not bytes), of the stack allocated to the FreeRTOS+TCP
+ * task.  This setting is less important when the FreeRTOS Win32 simulator is used
+ * as the Win32 simulator only stores a fixed amount of information on the task
+ * stack.  FreeRTOS includes optional stack overflow detection, see:
+ * http://www.freertos.org/Stacks-and-stack-overflow-checking.html */
+#define ipconfigIP_TASK_STACK_SIZE_WORDS           ( configMINIMAL_STACK_SIZE * 5 )
+
+/* ipconfigRAND32() is called by the IP stack to generate random numbers for
+ * things such as a DHCP transaction number or initial sequence number.  Random
+ * number generation is performed via this macro to allow applications to use their
+ * own random number generation method.  For example, it might be possible to
+ * generate a random number by sampling noise on an analogue input. */
+extern UBaseType_t uxRand();
+#define ipconfigRAND32()    uxRand()
+
+/* If ipconfigUSE_NETWORK_EVENT_HOOK is set to 1 then FreeRTOS+TCP will call the
+ * network event hook at the appropriate times.  If ipconfigUSE_NETWORK_EVENT_HOOK
+ * is not set to 1 then the network event hook will never be called.  See
+ * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_UDP/API/vApplicationIPNetworkEventHook.shtml
+ */
+#define ipconfigUSE_NETWORK_EVENT_HOOK                        1
+
+/* Sockets have a send block time attribute.  If FreeRTOS_sendto() is called but
+ * a network buffer cannot be obtained then the calling task is held in the Blocked
+ * state (so other tasks can continue to executed) until either a network buffer
+ * becomes available or the send block time expires.  If the send block time expires
+ * then the send operation is aborted.  The maximum allowable send block time is
+ * capped to the value set by ipconfigMAX_SEND_BLOCK_TIME_TICKS.  Capping the
+ * maximum allowable send block time prevents a deadlock occurring when
+ * all the network buffers are in use and the tasks that process (and subsequently
+ * free) the network buffers are themselves blocked waiting for a network buffer.
+ * ipconfigMAX_SEND_BLOCK_TIME_TICKS is specified in RTOS ticks.  A time in
+ * milliseconds can be converted to a time in ticks by dividing the time in
+ * milliseconds by portTICK_PERIOD_MS. */
+#define ipconfigUDP_MAX_SEND_BLOCK_TIME_TICKS                 ( 5000 / portTICK_PERIOD_MS )
+
+/* If ipconfigUSE_DHCP is 1 then FreeRTOS+TCP will attempt to retrieve an IP
+ * address, netmask, DNS server address and gateway address from a DHCP server.  If
+ * ipconfigUSE_DHCP is 0 then FreeRTOS+TCP will use a static IP address.  The
+ * stack will revert to using the static IP address even when ipconfigUSE_DHCP is
+ * set to 1 if a valid configuration cannot be obtained from a DHCP server for any
+ * reason.  The static configuration used is that passed into the stack by the
+ * FreeRTOS_IPInit() function call. */
+#define ipconfigUSE_DHCP                                      1
+
+/* When ipconfigUSE_DHCP is set to 1, DHCP requests will be sent out at
+ * increasing time intervals until either a reply is received from a DHCP server
+ * and accepted, or the interval between transmissions reaches
+ * ipconfigMAXIMUM_DISCOVER_TX_PERIOD.  The IP stack will revert to using the
+ * static IP address passed as a parameter to FreeRTOS_IPInit() if the
+ * re-transmission time interval reaches ipconfigMAXIMUM_DISCOVER_TX_PERIOD without
+ * a DHCP reply being received. */
+#define ipconfigMAXIMUM_DISCOVER_TX_PERIOD                    ( 120000 / portTICK_PERIOD_MS )
+
+/* The ARP cache is a table that maps IP addresses to MAC addresses.  The IP
+ * stack can only send a UDP message to a remove IP address if it knowns the MAC
+ * address associated with the IP address, or the MAC address of the router used to
+ * contact the remote IP address.  When a UDP message is received from a remote IP
+ * address the MAC address and IP address are added to the ARP cache.  When a UDP
+ * message is sent to a remote IP address that does not already appear in the ARP
+ * cache then the UDP message is replaced by a ARP message that solicits the
+ * required MAC address information.  ipconfigARP_CACHE_ENTRIES defines the maximum
+ * number of entries that can exist in the ARP table at any one time. */
+#define ipconfigARP_CACHE_ENTRIES                             6
+
+/* ARP requests that do not result in an ARP response will be re-transmitted a
+ * maximum of ipconfigMAX_ARP_RETRANSMISSIONS times before the ARP request is
+ * aborted. */
+#define ipconfigMAX_ARP_RETRANSMISSIONS                       ( 5 )
+
+/* ipconfigMAX_ARP_AGE defines the maximum time between an entry in the ARP
+ * table being created or refreshed and the entry being removed because it is stale.
+ * New ARP requests are sent for ARP cache entries that are nearing their maximum
+ * age.  ipconfigMAX_ARP_AGE is specified in tens of seconds, so a value of 150 is
+ * equal to 1500 seconds (or 25 minutes). */
+#define ipconfigMAX_ARP_AGE                                   150
+
+/* Implementing FreeRTOS_inet_addr() necessitates the use of string handling
+ * routines, which are relatively large.  To save code space the full
+ * FreeRTOS_inet_addr() implementation is made optional, and a smaller and faster
+ * alternative called FreeRTOS_inet_addr_quick() is provided.  FreeRTOS_inet_addr()
+ * takes an IP in decimal dot format (for example, "192.168.0.1") as its parameter.
+ * FreeRTOS_inet_addr_quick() takes an IP address as four separate numerical octets
+ * (for example, 192, 168, 0, 1) as its parameters.  If
+ * ipconfigINCLUDE_FULL_INET_ADDR is set to 1 then both FreeRTOS_inet_addr() and
+ * FreeRTOS_indet_addr_quick() are available.  If ipconfigINCLUDE_FULL_INET_ADDR is
+ * not set to 1 then only FreeRTOS_indet_addr_quick() is available. */
+#define ipconfigINCLUDE_FULL_INET_ADDR                        1
+
+/* ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS defines the total number of network buffer that
+ * are available to the IP stack.  The total number of network buffers is limited
+ * to ensure the total amount of RAM that can be consumed by the IP stack is capped
+ * to a pre-determinable value. */
+#define ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS                60
+
+/* A FreeRTOS queue is used to send events from application tasks to the IP
+ * stack.  ipconfigEVENT_QUEUE_LENGTH sets the maximum number of events that can
+ * be queued for processing at any one time.  The event queue must be a minimum of
+ * 5 greater than the total number of network buffers. */
+#define ipconfigEVENT_QUEUE_LENGTH                            ( ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS + 5 )
+
+/* The address of a socket is the combination of its IP address and its port
+ * number.  FreeRTOS_bind() is used to manually allocate a port number to a socket
+ * (to 'bind' the socket to a port), but manual binding is not normally necessary
+ * for client sockets (those sockets that initiate outgoing connections rather than
+ * wait for incoming connections on a known port number).  If
+ * ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND is set to 1 then calling
+ * FreeRTOS_sendto() on a socket that has not yet been bound will result in the IP
+ * stack automatically binding the socket to a port number from the range
+ * socketAUTO_PORT_ALLOCATION_START_NUMBER to 0xffff.  If
+ * ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND is set to 0 then calling FreeRTOS_sendto()
+ * on a socket that has not yet been bound will result in the send operation being
+ * aborted. */
+#define ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND                1
+
+/* Defines the Time To Live (TTL) values used in outgoing UDP packets. */
+#define ipconfigUDP_TIME_TO_LIVE                              128
+#define ipconfigTCP_TIME_TO_LIVE                              128 /* also defined in FreeRTOSIPConfigDefaults.h */
+
+/* USE_TCP: Use TCP and all its features */
+#define ipconfigUSE_TCP                                       ( 1 )
+
+/* Use the TCP socket wake context with a callback. */
+#define ipconfigSOCKET_HAS_USER_WAKE_CALLBACK_WITH_CONTEXT    ( 1 )
+
+/* USE_WIN: Let TCP use windowing mechanism. */
+#define ipconfigUSE_TCP_WIN                                   ( 1 )
+
+/* The MTU is the maximum number of bytes the payload of a network frame can
+ * contain.  For normal Ethernet V2 frames the maximum MTU is 1500.  Setting a
+ * lower value can save RAM, depending on the buffer management scheme used.  If
+ * ipconfigCAN_FRAGMENT_OUTGOING_PACKETS is 1 then (ipconfigNETWORK_MTU - 28) must
+ * be divisible by 8. */
+#define ipconfigNETWORK_MTU                                   1200
+
+/* Set ipconfigUSE_DNS to 1 to include a basic DNS client/resolver.  DNS is used
+ * through the FreeRTOS_gethostbyname() API function. */
+#define ipconfigUSE_DNS                                       1
+
+/* If ipconfigREPLY_TO_INCOMING_PINGS is set to 1 then the IP stack will
+ * generate replies to incoming ICMP echo (ping) requests. */
+#define ipconfigREPLY_TO_INCOMING_PINGS                       1
+
+/* If ipconfigSUPPORT_OUTGOING_PINGS is set to 1 then the
+ * FreeRTOS_SendPingRequest() API function is available. */
+#define ipconfigSUPPORT_OUTGOING_PINGS                        0
+
+/* If ipconfigSUPPORT_SELECT_FUNCTION is set to 1 then the FreeRTOS_select()
+ * (and associated) API function is available. */
+#define ipconfigSUPPORT_SELECT_FUNCTION                       1
+
+/* If ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES is set to 1 then Ethernet frames
+ * that are not in Ethernet II format will be dropped.  This option is included for
+ * potential future IP stack developments. */
+#define ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES             1
+
+/* If ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES is set to 1 then it is the
+ * responsibility of the Ethernet interface to filter out packets that are of no
+ * interest.  If the Ethernet interface does not implement this functionality, then
+ * set ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES to 0 to have the IP stack
+ * perform the filtering instead (it is much less efficient for the stack to do it
+ * because the packet will already have been passed into the stack).  If the
+ * Ethernet driver does all the necessary filtering in hardware then software
+ * filtering can be removed by using a value other than 1 or 0. */
+#define ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES           1
+
+/* The windows simulator cannot really simulate MAC interrupts, and needs to
+ * block occasionally to allow other tasks to run. */
+#define configWINDOWS_MAC_INTERRUPT_SIMULATOR_DELAY           ( 20 / portTICK_PERIOD_MS )
+
+/* Advanced only: in order to access 32-bit fields in the IP packets with
+ * 32-bit memory instructions, all packets will be stored 32-bit-aligned, plus 16-bits.
+ * This has to do with the contents of the IP-packets: all 32-bit fields are
+ * 32-bit-aligned, plus 16-bit(!) */
+#define ipconfigPACKET_FILLER_SIZE                            2
+
+/* Define the size of the pool of TCP window descriptors.  On the average, each
+ * TCP socket will use up to 2 x 6 descriptors, meaning that it can have 2 x 6
+ * outstanding packets (for Rx and Tx).  When using up to 10 TP sockets
+ * simultaneously, one could define TCP_WIN_SEG_COUNT as 120. */
+#define ipconfigTCP_WIN_SEG_COUNT                             240
+
+/* Each TCP socket has a circular buffers for Rx and Tx, which have a fixed
+ * maximum size.  Define the size of Rx buffer for TCP sockets. */
+#define ipconfigTCP_RX_BUFFER_LENGTH                          ( 5000 )
+
+/* Define the size of Tx buffer for TCP sockets. */
+#define ipconfigTCP_TX_BUFFER_LENGTH                          ( 1000 )
+
+/* When using call-back handlers, the driver may check if the handler points to
+ * real program memory (RAM or flash) or just has a random non-zero value. */
+#define ipconfigIS_VALID_PROG_ADDRESS( x )    ( ( x ) != NULL )
+
+/* Include support for TCP hang protection.  All sockets in a connecting or
+ * disconnecting stage will timeout after a period of non-activity. */
+#define ipconfigTCP_HANG_PROTECTION         ( 1 )
+#define ipconfigTCP_HANG_PROTECTION_TIME    ( 30 )
+
+/* Include support for TCP keep-alive messages. */
+#define ipconfigTCP_KEEP_ALIVE              ( 1 )
+#define ipconfigTCP_KEEP_ALIVE_INTERVAL     ( 20 ) /* in seconds */
+
+#define portINLINE                          __inline
+
+#endif /* FREERTOS_IP_CONFIG_H */

FreeRTOS-Plus/Demo/AWS/Jobs_Windows_Simulator/Jobs_Demo/WIN32.vcxproj

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+    </ClCompile>
+    <ClCompile Include="..\..\..\..\Source\Application-Protocols\network_transport\using_mbedtls\using_mbedtls\using_mbedtls.c">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\transport</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\..\ThirdParty\mbedtls\library\error.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\..\..\..\FreeRTOS-Plus\Source\FreeRTOS-Plus-TCP\include\NetworkInterface.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\FreeRTOS-Plus\Source\FreeRTOS-Plus-TCP\include\FreeRTOS_DNS.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\FreeRTOS-Plus\Source\FreeRTOS-Plus-TCP\include\FreeRTOS_Sockets.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\FreeRTOS-Plus\Source\FreeRTOS-Plus-TCP\include\FreeRTOS_UDP_IP.h">
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+    </ClInclude>
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+      <Filter>FreeRTOS\Source\include</Filter>
+    </ClInclude>
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+      <Filter>FreeRTOS\Source\include</Filter>
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+    </ClInclude>
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+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
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+    </ClInclude>
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+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
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+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
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+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\aesni.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
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+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\aria.h">
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+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\asn1.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\asn1write.h">
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+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\base64.h">
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+    </ClInclude>
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+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\blowfish.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
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+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\bn_mul.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
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+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\camellia.h">
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+    </ClInclude>
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+    </ClInclude>
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+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\memory_buffer_alloc.h">
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+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\net.h">
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+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\net_sockets.h">
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+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\nist_kw.h">
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+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\oid.h">
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+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\padlock.h">
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+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\pkcs11.h">
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+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\pkcs12.h">
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+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\pkcs5.h">
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+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_internal.h">
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+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_ticket.h">
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+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\threading.h">
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+    <ClInclude Include="demo_config.h">
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+      <Filter>Logging</Filter>
+    </ClInclude>
+    <ClInclude Include="mbedtls_config.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\Mqtt_Demo_Helpers\mqtt_demo_helpers.h" />
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+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\standard\coreJSON\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Utilities\backoff_algorithm\source\include\backoff_algorithm.h">
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+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\error.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_tls13_keys.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\error.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\error.h" />
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\network_transport\sockets_wrapper\freertos_plus_tcp\sockets_wrapper.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\transport\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\network_transport\using_mbedtls\using_mbedtls\using_mbedtls.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\transport\include</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>

FreeRTOS-Plus/Demo/AWS/Jobs_Windows_Simulator/Jobs_Demo/core_mqtt_config.h

@@ -0,0 +1,77 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ */
+#ifndef CORE_MQTT_CONFIG_H
+#define CORE_MQTT_CONFIG_H
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Include logging header files and define logging macros in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define the LIBRARY_LOG_NAME and LIBRARY_LOG_LEVEL macros depending on
+ * the logging configuration for MQTT.
+ * 3. Include the header file "logging_stack.h", if logging is enabled for MQTT.
+ */
+
+#include "logging_levels.h"
+
+/* Logging configuration for the MQTT library. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME    "MQTT"
+#endif
+
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_ERROR
+#endif
+
+/* Prototype for the function used to print to console on Windows simulator
+ * of FreeRTOS.
+ * The function prints to the console before the network is connected;
+ * then a UDP port after the network has connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Map the SdkLog macro to the logging function to enable logging
+ * on Windows simulator. */
+#ifndef SdkLog
+    #define SdkLog( message )    vLoggingPrintf message
+#endif
+#include "logging_stack.h"
+/************ End of logging configuration ****************/
+
+/**
+ * @brief The maximum number of MQTT PUBLISH messages that may be pending
+ * acknowledgement at any time.
+ *
+ * QoS 1 and 2 MQTT PUBLISHes require acknowledgment from the server before
+ * they can be completed. While they are awaiting the acknowledgment, the
+ * client must maintain information about their state. The value of this
+ * macro sets the limit on how many simultaneous PUBLISH states an MQTT
+ * context maintains.
+ */
+#define MQTT_STATE_ARRAY_MAX_COUNT    10U
+
+#endif /* ifndef CORE_MQTT_CONFIG_H */

FreeRTOS-Plus/Demo/AWS/Jobs_Windows_Simulator/Jobs_Demo/demo_config.h

@@ -0,0 +1,232 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef DEMO_CONFIG_H
+#define DEMO_CONFIG_H
+
+/* FreeRTOS config include. */
+#include "FreeRTOSConfig.h"
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Include logging header files and define logging macros in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define the LIBRARY_LOG_NAME and LIBRARY_LOG_LEVEL macros depending on
+ * the logging configuration for DEMO.
+ * 3. Include the header file "logging_stack.h", if logging is enabled for DEMO.
+ */
+
+#include "logging_levels.h"
+
+/* Logging configuration for the Demo. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME    "JobsDemo"
+#endif
+
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_INFO
+#endif
+
+/* Prototype for the function used to print to console on Windows simulator
+ * of FreeRTOS.
+ * The function prints to the console before the network is connected;
+ * then a UDP port after the network has connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Map the SdkLog macro to the logging function to enable logging
+ * on Windows simulator. */
+#ifndef SdkLog
+    #define SdkLog( message )    vLoggingPrintf message
+#endif
+
+#include "logging_stack.h"
+
+/************ End of logging configuration ****************/
+
+/**
+ * @brief The Thing resource registered on your AWS IoT account to use in the demo.
+ * A Thing resource is required to communicate with the AWS IoT Jobs service.
+ *
+ * @note The Things associated with your AWS account can be found in the
+ * AWS IoT console under Manage/Things, or using the ListThings REST API (that can
+ * be called with the AWS CLI command line tool).
+ *
+ * #define democonfigTHING_NAME    "...insert here..."
+ */
+
+/**
+ * @brief The MQTT client identifier used in this example.  Each client identifier
+ * must be unique so edit as required to ensure no two clients connecting to the
+ * same broker use the same client identifier.
+ *
+ * #define democonfigCLIENT_IDENTIFIER "...insert here..."
+ */
+
+/**
+ * @brief The AWS IoT broker endpoint to connect to in the demo.
+ *
+ * @note Your AWS IoT Core endpoint can be found in the AWS IoT console under
+ * Settings/Custom Endpoint, or using the describe-endpoint REST API (with
+ * AWS CLI command line tool).
+ *
+ * #define democonfigMQTT_BROKER_ENDPOINT    "...insert here..."
+ */
+
+/**
+ * @brief The port to use for the demo.
+ *
+ * In general, port 8883 is for secured MQTT connections.
+ *
+ * @note Port 443 requires use of the ALPN TLS extension with the ALPN protocol
+ * name. Using ALPN with this demo would require additional changes, including
+ * setting the `pAlpnProtos` member of the `NetworkCredentials_t` struct before
+ * forming the TLS connection. When using port 8883, ALPN is not required.
+ *
+ * #define democonfigMQTT_BROKER_PORT    ( insert here. )
+ */
+
+/**
+ * @brief Root CA certificate of AWS IoT broker.
+ *
+ * This certificate is used to identify the AWS IoT server and is publicly
+ * available. Refer to the link below.
+ * https://www.amazontrust.com/repository/AmazonRootCA1.pem
+ *
+ * @note This certificate should be PEM-encoded.
+ *
+ * Must include the PEM header and footer:
+ * "-----BEGIN CERTIFICATE-----\n"\
+ * "...base64 data...\n"\
+ * "-----END CERTIFICATE-----\n"
+ *
+ * #define democonfigROOT_CA_PEM    "...insert here..."
+ */
+
+/**
+ * @brief Client certificate.
+ *
+ * Please refer to the AWS documentation below for details
+ * regarding client authentication.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/client-authentication.html
+ *
+ * @note This certificate should be PEM-encoded.
+ *
+ * Must include the PEM header and footer:
+ * "-----BEGIN CERTIFICATE-----\n"\
+ * "...base64 data...\n"\
+ * "-----END CERTIFICATE-----\n"
+ *
+ * #define democonfigCLIENT_CERTIFICATE_PEM    "...insert here..."
+ */
+
+/**
+ * @brief Client's private key.
+ *
+ * Please refer to the AWS documentation below for details
+ * regarding client authentication.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/client-authentication.html
+ *
+ * @note This private key should be PEM-encoded.
+ *
+ * Must include the PEM header and footer:
+ * "-----BEGIN RSA PRIVATE KEY-----\n"\
+ * "...base64 data...\n"\
+ * "-----END RSA PRIVATE KEY-----\n"
+ *
+ * #define democonfigCLIENT_PRIVATE_KEY_PEM    "...insert here..."
+ */
+
+/**
+ * @brief The username value for authenticating client to the MQTT broker when
+ * username/password based client authentication is used.
+ *
+ * Please refer to the AWS IoT documentation below for
+ * details regarding client authentication with a username and password.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
+ * An authorizer setup needs to be done, as mentioned in the above link, to use
+ * username/password based client authentication.
+ *
+ * #define democonfigCLIENT_USERNAME    "...insert here..."
+ */
+
+/**
+ * @brief The password value for authenticating client to the MQTT broker when
+ * username/password based client authentication is used.
+ *
+ * Please refer to the AWS IoT documentation below for
+ * details regarding client authentication with a username and password.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
+ * An authorizer setup needs to be done, as mentioned in the above link, to use
+ * username/password based client authentication.
+ *
+ * #define democonfigCLIENT_PASSWORD    "...insert here..."
+ */
+
+/**
+ * @brief The name of the operating system that the application is running on.
+ * The current value is given as an example. Please update for your specific
+ * operating system.
+ */
+#define democonfigOS_NAME                   "FreeRTOS"
+
+/**
+ * @brief The version of the operating system that the application is running
+ * on. The current value is given as an example. Please update for your specific
+ * operating system version.
+ */
+#define democonfigOS_VERSION                tskKERNEL_VERSION_NUMBER
+
+/**
+ * @brief The name of the hardware platform the application is running on. The
+ * current value is given as an example. Please update for your specific
+ * hardware platform.
+ */
+#define democonfigHARDWARE_PLATFORM_NAME    "WinSim"
+
+/**
+ * @brief The name of the MQTT library used and its version, following an "@"
+ * symbol.
+ */
+#include "core_mqtt.h"     /* Include coreMQTT header for MQTT_LIBRARY_VERSION macro. */
+#define democonfigMQTT_LIB               "core-mqtt@"MQTT_LIBRARY_VERSION
+
+/**
+ * @brief Set the stack size of the main demo task.
+ *
+ * In the Windows port, this stack only holds a structure. The actual
+ * stack is created by an operating system thread.
+ */
+#define democonfigDEMO_STACKSIZE         configMINIMAL_STACK_SIZE
+
+/**
+ * @brief Size of the network buffer for MQTT packets.
+ */
+#define democonfigNETWORK_BUFFER_SIZE    ( 1024U )
+
+#endif /* DEMO_CONFIG_H */

FreeRTOS-Plus/Demo/AWS/Jobs_Windows_Simulator/Jobs_Demo/jobs_demo.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29215.179
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "RTOSDemo", "WIN32.vcxproj", "{C686325E-3261-42F7-AEB1-DDE5280E1CEB}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C686325E-3261-42F7-AEB1-DDE5280E1CEB}.Debug|Win32.ActiveCfg = Debug|Win32
+		{C686325E-3261-42F7-AEB1-DDE5280E1CEB}.Debug|Win32.Build.0 = Debug|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {150F08BF-9D61-4CC2-8DBF-1335172A1EA4}
+	EndGlobalSection
+	GlobalSection(TestCaseManagementSettings) = postSolution
+		CategoryFile = FreeRTOS_Plus_TCP_Minimal.vsmdi
+	EndGlobalSection
+EndGlobal

FreeRTOS-Plus/Demo/AWS/Jobs_Windows_Simulator/Jobs_Demo/main.c

@@ -0,0 +1,376 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/***
+ * See https://www.FreeRTOS.org/coremqtt for configuration and usage instructions.
+ ***/
+
+/* Standard includes. */
+#include <stdio.h>
+#include <time.h>
+
+/* Visual studio intrinsics used so the __debugbreak() function is available
+ * should an assert get hit. */
+#include <intrin.h>
+
+/* FreeRTOS includes. */
+#include <FreeRTOS.h>
+#include "task.h"
+
+/* TCP/IP stack includes. */
+#include "FreeRTOS_IP.h"
+#include "FreeRTOS_Sockets.h"
+
+/* Demo logging includes. */
+#include "logging.h"
+
+/* Demo Specific configs. */
+#include "demo_config.h"
+
+
+/*
+ * Prototypes for the demos that can be started from this project.  Note the
+ * Jobs demo is not actually started until the network is already, which is
+ * indicated by vApplicationIPNetworkEventHook() executing - hence
+ * vStartJobsDemo() is called from inside vApplicationIPNetworkEventHook().
+ */
+extern void vStartJobsDemo( void );
+
+/*
+ * Just seeds the simple pseudo random number generator.
+ *
+ * !!! NOTE !!!
+ * This is not a secure method of generating random numbers and production
+ * devices should use a true random number generator (TRNG).
+ */
+static void prvSRand( UBaseType_t ulSeed );
+
+/*
+ * Miscellaneous initialization including preparing the logging and seeding the
+ * random number generator.
+ */
+static void prvMiscInitialisation( void );
+
+/* The default IP and MAC address used by the demo.  The address configuration
+ * defined here will be used if ipconfigUSE_DHCP is 0, or if ipconfigUSE_DHCP is
+ * 1 but a DHCP server could not be contacted.  See the online documentation for
+ * more information. */
+static const uint8_t ucIPAddress[ 4 ] = { configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 };
+static const uint8_t ucNetMask[ 4 ] = { configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 };
+static const uint8_t ucGatewayAddress[ 4 ] = { configGATEWAY_ADDR0, configGATEWAY_ADDR1, configGATEWAY_ADDR2, configGATEWAY_ADDR3 };
+static const uint8_t ucDNSServerAddress[ 4 ] = { configDNS_SERVER_ADDR0, configDNS_SERVER_ADDR1, configDNS_SERVER_ADDR2, configDNS_SERVER_ADDR3 };
+
+/* Set the following constant to pdTRUE to log using the method indicated by the
+ * name of the constant, or pdFALSE to not log using the method indicated by the
+ * name of the constant.  Options include to standard out (xLogToStdout), to a disk
+ * file (xLogToFile), and to a UDP port (xLogToUDP).  If xLogToUDP is set to pdTRUE
+ * then UDP messages are sent to the IP address configured as the UDP logging server
+ * address (see the configUDP_LOGGING_ADDR0 definitions in FreeRTOSConfig.h) and
+ * the port number set by configPRINT_PORT in FreeRTOSConfig.h. */
+const BaseType_t xLogToStdout = pdTRUE, xLogToFile = pdFALSE, xLogToUDP = pdFALSE;
+
+/* Default MAC address configuration.  The demo creates a virtual network
+ * connection that uses this MAC address by accessing the raw Ethernet data
+ * to and from a real network connection on the host PC.  See the
+ * configNETWORK_INTERFACE_TO_USE definition for information on how to configure
+ * the real network connection to use. */
+const uint8_t ucMACAddress[ 6 ] = { configMAC_ADDR0, configMAC_ADDR1, configMAC_ADDR2, configMAC_ADDR3, configMAC_ADDR4, configMAC_ADDR5 };
+
+/* Used by the pseudo random number generator. */
+static UBaseType_t ulNextRand;
+/*-----------------------------------------------------------*/
+
+int main( void )
+{
+    /* Miscellaneous initialization including preparing the logging and seeding
+     * the random number generator. */
+    prvMiscInitialisation();
+
+    /* Initialize the network interface.
+     *
+     ***NOTE*** Tasks that use the network are created in the network event hook
+     * when the network is connected and ready for use (see the implementation of
+     * vApplicationIPNetworkEventHook() below).  The address values passed in here
+     * are used if ipconfigUSE_DHCP is set to 0, or if ipconfigUSE_DHCP is set to 1
+     * but a DHCP server cannot be contacted. */
+    FreeRTOS_IPInit( ucIPAddress, ucNetMask, ucGatewayAddress, ucDNSServerAddress, ucMACAddress );
+
+    /* Start the RTOS scheduler. */
+    vTaskStartScheduler();
+
+    /* If all is well, the scheduler will now be running, and the following
+     * line will never be reached.  If the following line does execute, then
+     * there was insufficient FreeRTOS heap memory available for the idle and/or
+     * timer tasks to be created.  See the memory management section on the
+     * FreeRTOS web site for more details (this is standard text that is not
+     * really applicable to the Win32 simulator port). */
+    for( ; ; )
+    {
+        __debugbreak();
+    }
+}
+/*-----------------------------------------------------------*/
+
+/* Called by FreeRTOS+TCP when the network connects or disconnects.  Disconnect
+ * events are only received if implemented in the MAC driver. */
+void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+{
+    uint32_t ulIPAddress, ulNetMask, ulGatewayAddress, ulDNSServerAddress;
+    char cBuffer[ 16 ];
+    static BaseType_t xTasksAlreadyCreated = pdFALSE;
+
+    /* If the network has just come up...*/
+    if( eNetworkEvent == eNetworkUp )
+    {
+        /* Create the tasks that use the IP stack if they have not already been
+         * created. */
+        if( xTasksAlreadyCreated == pdFALSE )
+        {
+            /* Demos that use the network are created after the network is
+             * up. */
+            LogInfo( ( "---------STARTING DEMO---------\r\n" ) );
+            vStartJobsDemo();
+            xTasksAlreadyCreated = pdTRUE;
+        }
+
+        /* Print out the network configuration, which may have come from a DHCP
+         * server. */
+        FreeRTOS_GetAddressConfiguration( &ulIPAddress, &ulNetMask, &ulGatewayAddress, &ulDNSServerAddress );
+        FreeRTOS_inet_ntoa( ulIPAddress, cBuffer );
+        LogInfo( ( "\r\n\r\nIP Address: %s\r\n", cBuffer ) );
+
+        FreeRTOS_inet_ntoa( ulNetMask, cBuffer );
+        LogInfo( ( "Subnet Mask: %s\r\n", cBuffer ) );
+
+        FreeRTOS_inet_ntoa( ulGatewayAddress, cBuffer );
+        LogInfo( ( "Gateway Address: %s\r\n", cBuffer ) );
+
+        FreeRTOS_inet_ntoa( ulDNSServerAddress, cBuffer );
+        LogInfo( ( "DNS Server Address: %s\r\n\r\n\r\n", cBuffer ) );
+    }
+}
+/*-----------------------------------------------------------*/
+
+void vAssertCalled( const char * pcFile,
+                    uint32_t ulLine )
+{
+    volatile uint32_t ulBlockVariable = 0UL;
+    volatile char * pcFileName = ( volatile char * ) pcFile;
+    volatile uint32_t ulLineNumber = ulLine;
+
+    ( void ) pcFileName;
+    ( void ) ulLineNumber;
+
+    printf( "vAssertCalled( %s, %u\n", pcFile, ulLine );
+
+    /* Setting ulBlockVariable to a non-zero value in the debugger will allow
+     * this function to be exited. */
+    taskDISABLE_INTERRUPTS();
+    {
+        while( ulBlockVariable == 0UL )
+        {
+            __debugbreak();
+        }
+    }
+    taskENABLE_INTERRUPTS();
+}
+/*-----------------------------------------------------------*/
+
+UBaseType_t uxRand( void )
+{
+    const uint32_t ulMultiplier = 0x015a4e35UL, ulIncrement = 1UL;
+
+    /*
+     * Utility function to generate a pseudo random number.
+     *
+     * !!!NOTE!!!
+     * This is not a secure method of generating a random number.  Production
+     * devices should use a True Random Number Generator (TRNG).
+     */
+    ulNextRand = ( ulMultiplier * ulNextRand ) + ulIncrement;
+    return( ( int ) ( ulNextRand >> 16UL ) & 0x7fffUL );
+}
+/*-----------------------------------------------------------*/
+
+static void prvSRand( UBaseType_t ulSeed )
+{
+    /* Utility function to seed the pseudo random number generator. */
+    ulNextRand = ulSeed;
+}
+/*-----------------------------------------------------------*/
+
+static void prvMiscInitialisation( void )
+{
+    time_t xTimeNow;
+    uint32_t ulLoggingIPAddress;
+
+    ulLoggingIPAddress = FreeRTOS_inet_addr_quick( configUDP_LOGGING_ADDR0, configUDP_LOGGING_ADDR1, configUDP_LOGGING_ADDR2, configUDP_LOGGING_ADDR3 );
+    vLoggingInit( xLogToStdout, xLogToFile, xLogToUDP, ulLoggingIPAddress, configPRINT_PORT );
+
+    /*
+     * Seed random number generator.
+     *
+     * !!!NOTE!!!
+     * This is not a secure method of generating a random number.  Production
+     * devices should use a True Random Number Generator (TRNG).
+     */
+    time( &xTimeNow );
+    LogDebug( ( "Seed for randomizer: %lu\n", xTimeNow ) );
+    prvSRand( ( uint32_t ) xTimeNow );
+    LogDebug( ( "Random numbers: %08X %08X %08X %08X\n", ipconfigRAND32(), ipconfigRAND32(), ipconfigRAND32(), ipconfigRAND32() ) );
+}
+/*-----------------------------------------------------------*/
+
+#if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 ) || ( ipconfigDHCP_REGISTER_HOSTNAME == 1 )
+
+    const char * pcApplicationHostnameHook( void )
+    {
+        /* Assign the name "FreeRTOS" to this network node.  This function will
+         * be called during the DHCP: the machine will be registered with an IP
+         * address plus this name. */
+        return mainHOST_NAME;
+    }
+
+#endif
+/*-----------------------------------------------------------*/
+
+#if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 )
+
+    BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    {
+        BaseType_t xReturn;
+
+        /* Determine if a name lookup is for this node.  Two names are given
+         * to this node: that returned by pcApplicationHostnameHook() and that set
+         * by mainDEVICE_NICK_NAME. */
+        if( _stricmp( pcName, pcApplicationHostnameHook() ) == 0 )
+        {
+            xReturn = pdPASS;
+        }
+        else if( _stricmp( pcName, mainDEVICE_NICK_NAME ) == 0 )
+        {
+            xReturn = pdPASS;
+        }
+        else
+        {
+            xReturn = pdFAIL;
+        }
+
+        return xReturn;
+    }
+
+#endif /* if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 ) */
+/*-----------------------------------------------------------*/
+
+/*
+ * Callback that provides the inputs necessary to generate a randomized TCP
+ * Initial Sequence Number per RFC 6528.  THIS IS ONLY A DUMMY IMPLEMENTATION
+ * THAT RETURNS A PSEUDO RANDOM NUMBER SO IS NOT INTENDED FOR USE IN PRODUCTION
+ * SYSTEMS.
+ */
+extern uint32_t ulApplicationGetNextSequenceNumber( uint32_t ulSourceAddress,
+                                                    uint16_t usSourcePort,
+                                                    uint32_t ulDestinationAddress,
+                                                    uint16_t usDestinationPort )
+{
+    ( void ) ulSourceAddress;
+    ( void ) usSourcePort;
+    ( void ) ulDestinationAddress;
+    ( void ) usDestinationPort;
+
+    return uxRand();
+}
+/*-----------------------------------------------------------*/
+
+/*
+ * Set *pulNumber to a random number, and return pdTRUE. When the random number
+ * generator is broken, it shall return pdFALSE.
+ * The macros ipconfigRAND32() and configRAND32() are not in use
+ * anymore in FreeRTOS+TCP.
+ *
+ * THIS IS ONLY A DUMMY IMPLEMENTATION THAT RETURNS A PSEUDO RANDOM NUMBER SO IS
+ * NOT INTENDED FOR USE IN PRODUCTION SYSTEMS.
+ */
+BaseType_t xApplicationGetRandomNumber( uint32_t * pulNumber )
+{
+    *pulNumber = uxRand();
+    return pdTRUE;
+}
+/*-----------------------------------------------------------*/
+
+/* configUSE_STATIC_ALLOCATION is set to 1, so the application must provide an
+ * implementation of vApplicationGetIdleTaskMemory() to provide the memory that is
+ * used by the Idle task. */
+void vApplicationGetIdleTaskMemory( StaticTask_t ** ppxIdleTaskTCBBuffer,
+                                    StackType_t ** ppxIdleTaskStackBuffer,
+                                    uint32_t * pulIdleTaskStackSize )
+{
+    /* If the buffers to be provided to the Idle task are declared inside this
+     * function then they must be declared static - otherwise they will be allocated on
+     * the stack and so not exists after this function exits. */
+    static StaticTask_t xIdleTaskTCB;
+    static StackType_t uxIdleTaskStack[ configMINIMAL_STACK_SIZE ];
+
+    /* Pass out a pointer to the StaticTask_t structure in which the Idle task's
+     * state will be stored. */
+    *ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
+
+    /* Pass out the array that will be used as the Idle task's stack. */
+    *ppxIdleTaskStackBuffer = uxIdleTaskStack;
+
+    /* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
+     * Note that, as the array is necessarily of type StackType_t,
+     * configMINIMAL_STACK_SIZE is specified in words, not bytes. */
+    *pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
+}
+/*-----------------------------------------------------------*/
+
+/* configUSE_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
+ * application must provide an implementation of vApplicationGetTimerTaskMemory()
+ * to provide the memory that is used by the Timer service task. */
+void vApplicationGetTimerTaskMemory( StaticTask_t ** ppxTimerTaskTCBBuffer,
+                                     StackType_t ** ppxTimerTaskStackBuffer,
+                                     uint32_t * pulTimerTaskStackSize )
+{
+    /* If the buffers to be provided to the Timer task are declared inside this
+     * function then they must be declared static - otherwise they will be allocated on
+     * the stack and so not exists after this function exits. */
+    static StaticTask_t xTimerTaskTCB;
+    static StackType_t uxTimerTaskStack[ configTIMER_TASK_STACK_DEPTH ];
+
+    /* Pass out a pointer to the StaticTask_t structure in which the Timer
+     * task's state will be stored. */
+    *ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
+
+    /* Pass out the array that will be used as the Timer task's stack. */
+    *ppxTimerTaskStackBuffer = uxTimerTaskStack;
+
+    /* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
+     * Note that, as the array is necessarily of type StackType_t,
+     * configMINIMAL_STACK_SIZE is specified in words, not bytes. */
+    *pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
+}
+/*-----------------------------------------------------------*/

FreeRTOS-Plus/Demo/AWS/Jobs_Windows_Simulator/Jobs_Demo/mbedtls_config.h

@@ -0,0 +1,137 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/* This file configures mbed TLS for FreeRTOS. */
+
+#ifndef MBEDTLS_CONFIG_H_
+#define MBEDTLS_CONFIG_H_
+
+/* FreeRTOS include. */
+#include "FreeRTOS.h"
+
+/* Generate errors if deprecated functions are used. */
+#define MBEDTLS_DEPRECATED_REMOVED
+
+/* Place AES tables in ROM. */
+#define MBEDTLS_AES_ROM_TABLES
+
+/* Enable the following cipher modes. */
+#define MBEDTLS_CIPHER_MODE_CBC
+#define MBEDTLS_CIPHER_MODE_CFB
+#define MBEDTLS_CIPHER_MODE_CTR
+
+/* Enable the following cipher padding modes. */
+#define MBEDTLS_CIPHER_PADDING_PKCS7
+#define MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS
+#define MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN
+#define MBEDTLS_CIPHER_PADDING_ZEROS
+
+/* Cipher suite configuration. */
+#define MBEDTLS_REMOVE_ARC4_CIPHERSUITES
+#define MBEDTLS_ECP_DP_SECP256R1_ENABLED
+#define MBEDTLS_ECP_NIST_OPTIM
+#define MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
+#define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
+
+/* Enable all SSL alert messages. */
+#define MBEDTLS_SSL_ALL_ALERT_MESSAGES
+
+/* Enable the following SSL features. */
+#define MBEDTLS_SSL_ENCRYPT_THEN_MAC
+#define MBEDTLS_SSL_EXTENDED_MASTER_SECRET
+#define MBEDTLS_SSL_MAX_FRAGMENT_LENGTH
+#define MBEDTLS_SSL_PROTO_TLS1_2
+#define MBEDTLS_SSL_ALPN
+#define MBEDTLS_SSL_SERVER_NAME_INDICATION
+
+/* Check certificate key usage. */
+#define MBEDTLS_X509_CHECK_KEY_USAGE
+#define MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE
+
+/* Disable platform entropy functions. */
+#define MBEDTLS_NO_PLATFORM_ENTROPY
+
+/* Enable the following mbed TLS features. */
+#define MBEDTLS_AES_C
+#define MBEDTLS_ASN1_PARSE_C
+#define MBEDTLS_ASN1_WRITE_C
+#define MBEDTLS_BASE64_C
+#define MBEDTLS_BIGNUM_C
+#define MBEDTLS_CIPHER_C
+#define MBEDTLS_CTR_DRBG_C
+#define MBEDTLS_ECDH_C
+#define MBEDTLS_ECDSA_C
+#define MBEDTLS_ECP_C
+#define MBEDTLS_ENTROPY_C
+#define MBEDTLS_ERROR_C
+#define MBEDTLS_GCM_C
+#define MBEDTLS_MD_C
+#define MBEDTLS_OID_C
+#define MBEDTLS_PEM_PARSE_C
+#define MBEDTLS_PK_C
+#define MBEDTLS_PK_PARSE_C
+#define MBEDTLS_PKCS1_V15
+#define MBEDTLS_PLATFORM_C
+#define MBEDTLS_RSA_C
+#define MBEDTLS_SHA1_C
+#define MBEDTLS_SHA256_C
+#define MBEDTLS_SSL_CLI_C
+#define MBEDTLS_SSL_TLS_C
+#define MBEDTLS_THREADING_ALT
+#define MBEDTLS_THREADING_C
+#define MBEDTLS_X509_USE_C
+#define MBEDTLS_X509_CRT_PARSE_C
+
+/* Set the memory allocation functions on FreeRTOS. */
+void * mbedtls_platform_calloc( size_t nmemb,
+                                size_t size );
+void mbedtls_platform_free( void * ptr );
+#define MBEDTLS_PLATFORM_MEMORY
+#define MBEDTLS_PLATFORM_CALLOC_MACRO    mbedtls_platform_calloc
+#define MBEDTLS_PLATFORM_FREE_MACRO      mbedtls_platform_free
+
+/* The network send and receive functions on FreeRTOS. */
+int mbedtls_platform_send( void * ctx,
+                           const unsigned char * buf,
+                           size_t len );
+int mbedtls_platform_recv( void * ctx,
+                           unsigned char * buf,
+                           size_t len );
+
+/* These two macro used by mbedtls_ssl_set_bio in using_mbedtls network
+ * transport layer. */
+#define MBEDTLS_SSL_SEND mbedtls_platform_send
+#define MBEDTLS_SSL_RECV mbedtls_platform_recv
+
+/* The entropy poll function. */
+int mbedtls_platform_entropy_poll( void * data,
+                                   unsigned char * output,
+                                   size_t len,
+                                   size_t * olen );
+
+#include "mbedtls/check_config.h"
+
+#endif /* ifndef MBEDTLS_CONFIG_H_ */

FreeRTOS-Plus/Demo/AWS/Mqtt_Demo_Helpers/mqtt_demo_helpers.h

@@ -0,0 +1,137 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef MQTT_DEMO_HELPERS_H
+#define MQTT_DEMO_HELPERS_H
+
+/* MQTT API header. */
+#include "core_mqtt.h"
+
+/* Transport interface implementation include header for TLS. */
+#include "using_mbedtls.h"
+
+/**
+ * @brief Establish a MQTT connection.
+ *
+ * @param[in, out] pxMqttContext The memory for the MQTTContext_t that will be used for the
+ * MQTT connection.
+ * @param[out] pxNetworkContext The memory for the NetworkContext_t required for the
+ * MQTT connection.
+ * @param[in] pxNetworkBuffer The buffer space for initializing the @p pxMqttContext MQTT
+ * context used in the MQTT connection.
+ * @param[in] eventCallback The callback function used to receive incoming
+ * publishes and incoming acks from MQTT library.
+ *
+ * @return The status of the final connection attempt.
+ */
+BaseType_t xEstablishMqttSession( MQTTContext_t * pxMqttContext,
+                                  NetworkContext_t * pxNetworkContext,
+                                  MQTTFixedBuffer_t * pxNetworkBuffer,
+                                  MQTTEventCallback_t eventCallback );
+
+/**
+ * @brief Handle the incoming packet if it's not related to the device shadow.
+ *
+ * @param[in] pxPacketInfo Packet Info pointer for the incoming packet.
+ * @param[in] usPacketIdentifier Packet identifier of the incoming packet.
+ */
+void vHandleOtherIncomingPacket( MQTTPacketInfo_t * pxPacketInfo,
+                                 uint16_t usPacketIdentifier );
+
+/**
+ * @brief Close the MQTT connection.
+ *
+ * @param[in, out] pxMqttContext The MQTT context for the MQTT connection to close.
+ * @param[in, out] pxNetworkContext The network context for the TLS session to
+ * terminate.
+ *
+ * @return pdPASS if DISCONNECT was successfully sent;
+ * pdFAIL otherwise.
+ */
+BaseType_t xDisconnectMqttSession( MQTTContext_t * pxMqttContext,
+                                   NetworkContext_t * pxNetworkContext );
+
+/**
+ * @brief Subscribe to a MQTT topic filter.
+ *
+ * @param[in] pxMqttContext The MQTT context for the MQTT connection.
+ * @param[in] pcTopicFilter Pointer to the shadow topic buffer.
+ * @param[in] usTopicFilterLength Indicates the length of the shadow
+ * topic buffer.
+ *
+ * @return pdPASS if SUBSCRIBE was successfully sent;
+ * pdFAIL otherwise.
+ */
+BaseType_t xSubscribeToTopic( MQTTContext_t * pxMqttContext,
+                              const char * pcTopicFilter,
+                              uint16_t usTopicFilterLength );
+
+/**
+ * @brief Sends an MQTT UNSUBSCRIBE to unsubscribe from the shadow
+ * topic.
+ *
+ * @param[in] pxMqttContext The MQTT context for the MQTT connection.
+ * @param[in] pcTopicFilter Pointer to the MQTT topic filter.
+ * @param[in] usTopicFilterLength Indicates the length of the topic filter.
+ *
+ * @return pdPASS if UNSUBSCRIBE was successfully sent;
+ * pdFAIL otherwise.
+ */
+BaseType_t xUnsubscribeFromTopic( MQTTContext_t * pxMqttContext,
+                                  const char * pcTopicFilter,
+                                  uint16_t usTopicFilterLength );
+
+/**
+ * @brief Publish a message to a MQTT topic.
+ *
+ * @param[in] pxMqttContext The MQTT context for the MQTT connection.
+ * @param[in] pcTopicFilter Points to the topic.
+ * @param[in] topicFilterLength The length of the topic.
+ * @param[in] pcPayload Points to the payload.
+ * @param[in] payloadLength The length of the payload.
+ *
+ * @return pdPASS if PUBLISH was successfully sent;
+ * pdFAIL otherwise.
+ */
+BaseType_t xPublishToTopic( MQTTContext_t * pxMqttContext,
+                            const char * pcTopicFilter,
+                            int32_t topicFilterLength,
+                            const char * pcPayload,
+                            size_t payloadLength );
+
+/**
+ * @brief Invoke the core MQTT library's process loop function.
+ *
+ * @param[in] pxMqttContext The MQTT context for the MQTT connection.
+ * @param[in] ulTimeoutMs Minimum time for the loop to run, if no error occurs.
+ *
+ * @return pdPASS if process loop was successful;
+ * pdFAIL otherwise.
+ */
+BaseType_t xProcessLoop( MQTTContext_t * pxMqttContext,
+                         uint32_t ulTimeoutMs );
+
+#endif /* ifndef MQTT_DEMO_HELPERS_H */

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Common/HTTP_Utils/http_demo_utils.c

@@ -0,0 +1,248 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/* Standard includes. */
+#include <assert.h>
+
+#include "http_demo_utils.h"
+
+/* Exponential backoff retry include. */
+#include "backoff_algorithm.h"
+
+/* Parser utilities. */
+#include "http_parser.h"
+
+/*-----------------------------------------------------------*/
+
+/**
+ * @brief The maximum number of retries for network operation with server.
+ */
+#define RETRY_MAX_ATTEMPTS            ( 5U )
+
+/**
+ * @brief The maximum back-off delay (in milliseconds) for retrying failed
+ * operation with server.
+ */
+#define RETRY_MAX_BACKOFF_DELAY_MS    ( 5000U )
+
+/**
+ * @brief The base back-off delay (in milliseconds) to use for network operation
+ * retry attempts.
+ */
+#define RETRY_BACKOFF_BASE_MS         ( 500U )
+
+/*-----------------------------------------------------------*/
+
+/** 
+ * @brief Each compilation unit that consumes the NetworkContext must define it. 
+ * It should contain a single pointer to the type of your desired transport.
+ * This utility is used by both TLS and plaintext HTTP demos, so define this pointer as void *.
+ *
+ * @note Transport stacks are defined in FreeRTOS-Plus/Source/Application-Protocols/network_transport.
+ */
+struct NetworkContext
+{
+    void * pParams;
+};
+
+/*-----------------------------------------------------------*/
+
+extern UBaseType_t uxRand();
+
+/*-----------------------------------------------------------*/
+BaseType_t connectToServerWithBackoffRetries( TransportConnect_t connectFunction,
+                                              NetworkContext_t * pxNetworkContext )
+{
+    BaseType_t xReturn = pdFAIL;
+    /* Status returned by the retry utilities. */
+    BackoffAlgorithmStatus_t xBackoffAlgStatus = BackoffAlgorithmSuccess;
+    /* Struct containing the next backoff time. */
+    BackoffAlgorithmContext_t xReconnectParams;
+    uint16_t usNextBackoff = 0U;
+
+    assert( connectFunction != NULL );
+
+    /* Initialize reconnect attempts and interval */
+    BackoffAlgorithm_InitializeParams( &xReconnectParams,
+                                       RETRY_BACKOFF_BASE_MS,
+                                       RETRY_MAX_BACKOFF_DELAY_MS,
+                                       RETRY_MAX_ATTEMPTS );
+
+    /* Attempt to connect to the HTTP server. If connection fails, retry after a
+     * timeout. The timeout value will exponentially increase until either the
+     * maximum timeout value is reached or the set number of attempts are
+     * exhausted.*/
+    do
+    {
+        xReturn = connectFunction( pxNetworkContext );
+
+        if( xReturn != pdPASS )
+        {
+            /* Generate a random number and calculate backoff value (in milliseconds) for
+             * the next connection retry.
+             * Note: It is recommended to seed the random number generator with a device-specific
+             * entropy source so that possibility of multiple devices retrying failed network operations
+             * at similar intervals can be avoided. */
+            xBackoffAlgStatus = BackoffAlgorithm_GetNextBackoff( &xReconnectParams, uxRand(), &usNextBackoff );
+
+            if( xBackoffAlgStatus == BackoffAlgorithmSuccess )
+            {
+                LogWarn( ( "Connection to the HTTP server failed. "
+                           "Retrying connection with backoff and jitter." ) );
+                LogInfo( ( "Retry attempt %lu out of maximum retry attempts %lu.",
+                           xReconnectParams.attemptsDone,
+                           RETRY_MAX_ATTEMPTS ) );
+            }
+        }
+    } while( ( xReturn == pdFAIL ) && ( xBackoffAlgStatus == BackoffAlgorithmSuccess ) );
+
+    if( xReturn == pdFAIL )
+    {
+        LogError( ( "Connection to the server failed, all attempts exhausted." ) );
+    }
+
+    return xReturn;
+}
+
+/*-----------------------------------------------------------*/
+
+HTTPStatus_t getUrlPath( const char * pcUrl,
+                         size_t xUrlLen,
+                         const char ** pcPath,
+                         size_t * pxPathLen )
+{
+    /* http-parser status. Initialized to 1 to signify failure. */
+    int lParserStatus = 1;
+    struct http_parser_url xUrlParser;
+    HTTPStatus_t xHTTPStatus = HTTPSuccess;
+
+    /* Sets all members in xUrlParser to 0. */
+    http_parser_url_init( &xUrlParser );
+
+    if( ( pcUrl == NULL ) || ( pcPath == NULL ) || ( pxPathLen == NULL ) )
+    {
+        LogError( ( "NULL parameter passed to getUrlPath()." ) );
+        xHTTPStatus = HTTPInvalidParameter;
+    }
+
+    if( xHTTPStatus == HTTPSuccess )
+    {
+        lParserStatus = http_parser_parse_url( pcUrl, xUrlLen, 0, &xUrlParser );
+
+        if( lParserStatus != 0 )
+        {
+            LogError( ( "Error parsing the input URL %.*s. Error code: %d.",
+                        ( int32_t ) xUrlLen,
+                        pcUrl,
+                        lParserStatus ) );
+            xHTTPStatus = HTTPParserInternalError;
+        }
+    }
+
+    if( xHTTPStatus == HTTPSuccess )
+    {
+        *pxPathLen = ( size_t ) ( xUrlParser.field_data[ UF_PATH ].len );
+
+        if( *pxPathLen == 0 )
+        {
+            xHTTPStatus = HTTPNoResponse;
+            *pcPath = NULL;
+        }
+        else
+        {
+            *pcPath = &pcUrl[ xUrlParser.field_data[ UF_PATH ].off ];
+        }
+    }
+
+    if( xHTTPStatus != HTTPSuccess )
+    {
+        LogError( ( "Error parsing the path from URL %s. Error code: %d",
+                    pcUrl,
+                    xHTTPStatus ) );
+    }
+
+    return xHTTPStatus;
+}
+
+/*-----------------------------------------------------------*/
+
+HTTPStatus_t getUrlAddress( const char * pcUrl,
+                            size_t xUrlLen,
+                            const char ** pcAddress,
+                            size_t * pxAddressLen )
+{
+    /* http-parser status. Initialized to 1 to signify failure. */
+    int lParserStatus = 1;
+    struct http_parser_url xUrlParser;
+    HTTPStatus_t xHTTPStatus = HTTPSuccess;
+
+    /* Sets all members in xUrlParser to 0. */
+    http_parser_url_init( &xUrlParser );
+
+    if( ( pcUrl == NULL ) || ( pcAddress == NULL ) || ( pxAddressLen == NULL ) )
+    {
+        LogError( ( "NULL parameter passed to getUrlAddress()." ) );
+        xHTTPStatus = HTTPInvalidParameter;
+    }
+
+    if( xHTTPStatus == HTTPSuccess )
+    {
+        lParserStatus = http_parser_parse_url( pcUrl, xUrlLen, 0, &xUrlParser );
+
+        if( lParserStatus != 0 )
+        {
+            LogError( ( "Error parsing the input URL %.*s. Error code: %d.",
+                        ( int32_t ) xUrlLen,
+                        pcUrl,
+                        lParserStatus ) );
+            xHTTPStatus = HTTPParserInternalError;
+        }
+    }
+
+    if( xHTTPStatus == HTTPSuccess )
+    {
+        *pxAddressLen = ( size_t ) ( xUrlParser.field_data[ UF_HOST ].len );
+
+        if( *pxAddressLen == 0 )
+        {
+            xHTTPStatus = HTTPNoResponse;
+            *pcAddress = NULL;
+        }
+        else
+        {
+            *pcAddress = &pcUrl[ xUrlParser.field_data[ UF_HOST ].off ];
+        }
+    }
+
+    if( xHTTPStatus != HTTPSuccess )
+    {
+        LogError( ( "Error parsing the address from URL %s. Error code %d",
+                    pcUrl,
+                    xHTTPStatus ) );
+    }
+
+    return xHTTPStatus;
+}

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Common/HTTP_Utils/http_demo_utils.h

@@ -0,0 +1,127 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef HTTP_DEMO_UTILS_H
+#define HTTP_DEMO_UTILS_H
+
+/* Standard includes. */
+#include <stdlib.h>
+#include <stdbool.h>
+#include <string.h>
+
+/* Kernel includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* HTTP API header. */
+#include "core_http_client.h"
+
+/**
+ * @brief Function pointer for establishing connection to a server.
+ *
+ * @param[out] pxNetworkContext Implementation-defined network context.
+ *
+ * @return pdFAIL on failure; pdPASS on successful connection.
+ */
+typedef BaseType_t ( * TransportConnect_t )( NetworkContext_t * pxNetworkContext );
+
+/**
+ * @brief Connect to a server with reconnection retries.
+ *
+ * If connection fails, retry is attempted after a timeout. The timeout value
+ * will exponentially increase until either the maximum timeout value is reached
+ * or the set number of attempts are exhausted.
+ *
+ * @param[in] connectFunction Function pointer for establishing connection to a
+ * server.
+ * @param[out] pxNetworkContext Implementation-defined network context.
+ *
+ * @return pdFAIL on failure; pdPASS on successful connection.
+ */
+BaseType_t connectToServerWithBackoffRetries( TransportConnect_t connectFunction,
+                                              NetworkContext_t * pxNetworkContext );
+
+/**
+ * @brief Retrieve the path from the input URL.
+ *
+ * This function retrieves the location and length of the path from within the
+ * input the URL. The query is not included in the length returned.
+ *
+ * The URL MUST start with "http://" or "https://" to find the path.
+ *
+ * For example, if pcUrl is:
+ * "https://www.somewebsite.com/path/to/item.txt?optionalquery=stuff"
+ *
+ * Then pcPath and pxPathLen will be the following:
+ * *pcPath = "/path/to/item.txt?optionalquery=stuff"
+ * *pxPathLen = 17
+ *
+ * @param[in] pcUrl URL string to parse.
+ * @param[in] xUrlLen The length of the URL string input.
+ * @param[out] pcPath pointer within input url that the path starts at.
+ * @param[out] pxPathLen Length of the path.
+ *
+ * @return The status of the parsing attempt:
+ * HTTPSuccess if the path was successfully parsed,
+ * HTTPParserInternalError if there was an error parsing the URL,
+ * or HTTPNoResponse if the path was not found.
+ */
+HTTPStatus_t getUrlPath( const char * pcUrl,
+                         size_t xUrlLen,
+                         const char ** pcPath,
+                         size_t * pxPathLen );
+
+/**
+ * @brief Retrieve the Address from the input URL.
+ *
+ * This function retrieves the location and length of the address from within
+ * the input URL. The path and query are not included in the length returned.
+ *
+ * The URL MUST start with "http://" or "https://" to find the address.
+ *
+ * For example, if pcUrl is:
+ * "https://www.somewebsite.com/path/to/item.txt?optionalquery=stuff"
+ *
+ * Then pcAddress and pxAddressLen will be the following:
+ * *pcAddress = "www.somewebsite.com/path/to/item.txt?optionalquery=stuff"
+ * *pxAddressLen = 19
+ *
+ * @param[in] pcUrl URL string to parse.
+ * @param[in] xUrlLen The length of the URL string input.
+ * @param[out] pcAddress pointer within input url that the address starts at.
+ * @param[out] pxAddressLen Length of the address.
+ *
+ * @return The status of the parsing attempt:
+ * HTTPSuccess if the path was successfully parsed,
+ * HTTPParserInternalError if there was an error parsing the URL,
+ * or HTTPNoResponse if the path was not found.
+ */
+HTTPStatus_t getUrlAddress( const char * pcUrl,
+                            size_t xUrlLen,
+                            const char ** pcAddress,
+                            size_t * pxAddressLen );
+
+#endif /* ifndef HTTP_DEMO_UTILS_H */

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Common/Ota_PAL/Win32/Code_Signature_Verification/aws_ota_codesigner_certificate.h

@@ -0,0 +1,49 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+ /**
+  * @file aws_ota_codesigner_certificate.h
+  * @brief Code signer certificate as char array.
+  *
+  * Define this char array containing the PEM encode signing certificate.
+  * Note -  It is highly recommended to use this for demo purpose and store
+  * certificates in secure location in production devices.
+  */
+
+#ifndef __CODESIGNER_CERTIFICATE__H__
+#define __CODESIGNER_CERTIFICATE__H__
+
+/*
+ * PEM-encoded code signer certificate
+ *
+ * Must include the PEM header and footer:
+ * "-----BEGIN CERTIFICATE-----\n"
+ * "...base64 data...\n"
+ * "-----END CERTIFICATE-----\n";
+ */
+static const char signingcredentialSIGNING_CERTIFICATE_PEM[] = "...Insert here...";
+
+#endif

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Common/Ota_PAL/Win32/Code_Signature_Verification/code_signature_verification.h

@@ -0,0 +1,45 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+ /**
+  * @file code_signature_verification.h
+  * @brief Interface for code signature verification functions.
+  *
+  */
+
+#ifndef CODE_SIGNATURE_VERIFICATION_H
+#define CODE_SIGNATURE_VERIFICATION_H
+
+#include "FreeRTOS.h"
+ 
+ /**
+ * @brief Validate the integrity of the new image to be activated.
+ * @param[in] pFileContext pointer to File context
+ * @return OtaPalMainStatus_t , OtaPalSuccess if the signature of the image is valid.
+ */
+OtaPalMainStatus_t xValidateImageSignature( OtaFileContext_t* const pFileContext );
+
+#endif

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Common/Ota_PAL/Win32/Code_Signature_Verification/code_signature_verification_mbedtls.c

@@ -0,0 +1,465 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+ /**
+  * @file code_signature_verification_mbedtls.c
+  * @brief Code signature verification using mbedtls crypto.
+  *
+  * The file demonstrates implements the code signature verification functionality on 
+  * the specified file using mbedtls for SHA256 ECDSA.
+  */
+
+ /* C runtime includes. */
+#include <string.h>
+
+ /* FreeRTOS includes. */
+#include "FreeRTOS.h"
+
+/* mbedTLS includes. */
+#if !defined( MBEDTLS_CONFIG_FILE )
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+#include "mbedtls/platform.h"
+#include "mbedtls/sha256.h"
+#include "mbedtls/sha1.h"
+#include "mbedtls/pk.h"
+#include "mbedtls/x509_crt.h"
+
+/* OTA includes. */
+#include "ota.h"
+
+/* Signature verification includes. */
+#include "code_signature_verification.h"
+#include "aws_ota_codesigner_certificate.h"
+
+/**
+ * @brief SHA256 buffer size for storing cryptographic hash computation results.
+ */
+#define SHA256_DIGEST_BYTES    32
+
+ /* Size of buffer used in file operations on this platform (Windows). */
+#define OTA_PAL_WIN_BUF_SIZE ( ( size_t ) 4096UL )
+
+/**
+ * @brief Library-independent cryptographic algorithm identifiers.
+ */
+#define HASH_ALGORITHM_SHA1           1
+#define HASH_ALGORITHM_SHA256         2
+#define ASYMMETRIC_ALGORITHM_RSA      1
+#define ASYMMETRIC_ALGORITHM_ECDSA    2
+
+ /**
+  * @brief Internal signature verification context structure.
+  */
+typedef struct SignatureVerificationState
+{
+    BaseType_t xAsymmetricAlgorithm;
+    BaseType_t xHashAlgorithm;
+    mbedtls_sha256_context xSHA256Context;
+} SignatureVerificationState_t, * SignatureVerificationStatePtr_t;
+
+/**
+ * @brief Initializes digital signature verification.
+ *
+ * @param[out] ppvContext Opaque context structure.
+ * @param[in] xAsymmetricAlgorithm Cryptographic public key cryptosystem.
+ * @param[in] xHashAlgorithm Cryptographic hash algorithm that was used for signing.
+ *
+ * @return pdTRUE if initialization succeeds, or pdFALSE otherwise.
+ */
+static BaseType_t prvSignatureVerificationStart(void** ppvContext,
+    BaseType_t xAsymmetricAlgorithm,
+    BaseType_t xHashAlgorithm);
+
+/**
+ * @brief Updates a cryptographic hash computation with the specified byte array.
+ *
+ * @param[in] pvContext Opaque context structure.
+ * @param[in] pucData Byte array that was signed.
+ * @param[in] xDataLength Length in bytes of data that was signed.
+ */
+static void prvSignatureVerificationUpdate(void* pvContext,
+    const uint8_t* pucData,
+    size_t xDataLength);
+
+/**
+ * @brief Verifies a digital signature computation using the public key from the
+ * specified certificate.
+ *
+ * @param[in] pvContext Opaque context structure.
+ * @param[in] pucSignerCertificate Base64 and DER encoded X.509 certificate of the
+ * signer.
+ * @param[in] xSignerCertificateLength Length in bytes of the certificate.
+ * @param[in] pucSignature Digital signature result to verify.
+ * @param[in] xSignatureLength in bytes of digital signature result.
+ *
+ * @return pdTRUE if the signature is correct or pdFALSE if the signature is invalid.
+ */
+static BaseType_t prvSignatureVerificationFinal(void* pvContext,
+    char* pcSignerCertificate,
+    size_t xSignerCertificateLength,
+    uint8_t* pucSignature,
+    size_t xSignatureLength);
+
+/* Read the specified signer certificate from the filesystem into a local buffer. The allocated
+ * memory becomes the property of the caller who is responsible for freeing it.
+ */
+
+static uint8_t* otaPal_ReadAndAssumeCertificate(const uint8_t* const pucCertName,
+    uint32_t* const ulSignerCertSize)
+{
+    FILE* pFile;
+    uint8_t* pucSignerCert = NULL;
+    uint8_t* pucCertData = NULL;
+    int32_t lSize = 0; /* For MISRA mandatory. */
+    int32_t lWindowsError;
+
+    pFile = fopen((const char*)pucCertName, "rb"); /*lint !e586
+                                                            * C standard library call is being used for portability. */
+
+    if (pFile != NULL)
+    {
+        lWindowsError = fseek(pFile, 0, SEEK_END);         /*lint !e586
+                                                                * C standard library call is being used for portability. */
+
+        if (lWindowsError == 0)                               /* fseek returns a non-zero value on error. */
+        {
+            lSize = (int32_t)ftell(pFile);                  /*lint !e586 Allow call in this context. */
+
+            if (lSize != -1L)                                 /* ftell returns -1 on error. */
+            {
+                lWindowsError = fseek(pFile, 0, SEEK_SET); /*lint !e586
+                                                                * C standard library call is being used for portability. */
+            }
+            else /* ftell returned an error, pucSignerCert remains NULL. */
+            {
+                lWindowsError = -1L;
+            }
+        } /* else fseek returned an error, pucSignerCert remains NULL. */
+
+        if (lWindowsError == 0)
+        {
+            /* Allocate memory for the signer certificate plus a terminating zero so we can load and return it to the caller. */
+            pucSignerCert = pvPortMalloc(lSize + 1); /*lint !e732 !e9034 !e9079 Allow conversion. */
+        }
+
+        if (pucSignerCert != NULL)
+        {
+            if (fread(pucSignerCert, 1, lSize, pFile) == (size_t)lSize) /*lint !e586 !e732 !e9034
+                                                                                 * C standard library call is being used for portability. */
+            {
+                /* The crypto code requires the terminating zero to be part of the length so add 1 to the size. */
+                *ulSignerCertSize = lSize + 1;
+                pucSignerCert[lSize] = 0;
+            }
+            else
+            {   /* There was a problem reading the certificate file so free the memory and abort. */
+                vPortFree(pucSignerCert);
+                pucSignerCert = NULL;
+            }
+        }
+        else
+        {
+            LogError(("Failed to allocate memory for signer cert contents.\r\n"));
+            /* Nothing special to do. */
+        }
+
+        lWindowsError = fclose(pFile); /*lint !e586
+                                            * C standard library call is being used for portability. */
+
+        if (lWindowsError != 0)
+        {
+            LogError(("File pointer operation failed.\r\n"));
+            pucSignerCert = NULL;
+        }
+    }
+    else
+    {
+        LogError(("No such certificate file: %s. Using aws_ota_codesigner_certificate.h.\r\n",
+            (const char*)pucCertName));
+
+        /* Allocate memory for the signer certificate plus a terminating zero so we can copy it and return to the caller. */
+        lSize = sizeof(signingcredentialSIGNING_CERTIFICATE_PEM);
+        pucSignerCert = pvPortMalloc(lSize);                           /*lint !e9029 !e9079 !e838 malloc proto requires void*. */
+        pucCertData = (uint8_t*)signingcredentialSIGNING_CERTIFICATE_PEM; /*lint !e9005 we don't modify the cert but it could be set by PKCS11 so it's not const. */
+
+        if (pucSignerCert != NULL)
+        {
+            memcpy(pucSignerCert, pucCertData, lSize);
+            *ulSignerCertSize = lSize;
+        }
+        else
+        {
+            LogError(("No memory for certificate of size %d!\r\n", lSize));
+        }
+    }
+
+    return pucSignerCert; /*lint !e480 !e481 fopen and fclose are being used by-design. */
+}
+
+/**
+ * @brief Verifies a cryptographic signature based on the signer
+ * certificate, hash algorithm, and the data that was signed.
+ */
+static BaseType_t prvVerifySignature(char* pcSignerCertificate,
+    size_t xSignerCertificateLength,
+    BaseType_t xHashAlgorithm,
+    uint8_t* pucHash,
+    size_t xHashLength,
+    uint8_t* pucSignature,
+    size_t xSignatureLength)
+{
+    BaseType_t xResult = pdTRUE;
+    mbedtls_x509_crt xCertCtx;
+    mbedtls_md_type_t xMbedHashAlg = MBEDTLS_MD_SHA256;
+
+    (void)xHashAlgorithm;
+
+    memset(&xCertCtx, 0, sizeof(mbedtls_x509_crt));
+
+    /*
+     * Decode and create a certificate context
+     */
+    mbedtls_x509_crt_init(&xCertCtx);
+
+    if (0 != mbedtls_x509_crt_parse(
+        &xCertCtx, (const unsigned char*)pcSignerCertificate, xSignerCertificateLength))
+    {
+        xResult = pdFALSE;
+    }
+
+    /*
+     * Verify the signature using the public key from the decoded certificate
+     */
+    if (pdTRUE == xResult)
+    {
+        if (0 != mbedtls_pk_verify(
+            &xCertCtx.pk,
+            xMbedHashAlg,
+            pucHash,
+            xHashLength,
+            pucSignature,
+            xSignatureLength))
+        {
+            xResult = pdFALSE;
+        }
+    }
+
+    /*
+     * Clean-up
+     */
+    mbedtls_x509_crt_free(&xCertCtx);
+
+    return xResult;
+}
+
+
+
+/**
+ * @brief Creates signature verification context.
+ */
+static BaseType_t prvSignatureVerificationStart(void** ppvContext,
+    BaseType_t xAsymmetricAlgorithm,
+    BaseType_t xHashAlgorithm)
+{
+    BaseType_t xResult = pdTRUE;
+    SignatureVerificationState_t* pxCtx = NULL;
+
+    /*
+     * Allocate the context
+     */
+    if (NULL == (pxCtx = (SignatureVerificationStatePtr_t)pvPortMalloc(
+        sizeof(*pxCtx)))) /*lint !e9087 Allow casting void* to other types. */
+    {
+        xResult = pdFALSE;
+    }
+
+    if (pdTRUE == xResult)
+    {
+        *ppvContext = pxCtx;
+
+        /*
+         * Store the algorithm identifiers
+         */
+        pxCtx->xAsymmetricAlgorithm = xAsymmetricAlgorithm;
+        pxCtx->xHashAlgorithm = xHashAlgorithm;
+
+        /*
+         * Initialize the requested hash type
+         */
+        mbedtls_sha256_init(&pxCtx->xSHA256Context);
+        (void)mbedtls_sha256_starts_ret(&pxCtx->xSHA256Context, 0);
+    }
+
+    return xResult;
+}
+
+/**
+ * @brief Adds bytes to an in-progress hash for subsequent signature verification.
+ */
+static void prvSignatureVerificationUpdate(void* pvContext,
+    const uint8_t* pucData,
+    size_t xDataLength)
+{
+    SignatureVerificationState_t* pxCtx = (SignatureVerificationStatePtr_t)pvContext; /*lint !e9087 Allow casting void* to other types. */
+
+    /*
+     * Add the data to the hash of the requested type
+     */
+    (void)mbedtls_sha256_update_ret(&pxCtx->xSHA256Context, pucData, xDataLength);
+
+}
+
+/**
+ * @brief Performs signature verification on a cryptographic hash.
+ */
+static BaseType_t prvSignatureVerificationFinal(void* pvContext,
+    char* pcSignerCertificate,
+    size_t xSignerCertificateLength,
+    uint8_t* pucSignature,
+    size_t xSignatureLength)
+{
+    BaseType_t xResult = pdFALSE;
+
+    if (pvContext != NULL)
+    {
+        SignatureVerificationStatePtr_t pxCtx = (SignatureVerificationStatePtr_t)pvContext; /*lint !e9087 Allow casting void* to other types. */
+        uint8_t ucSHA256[SHA256_DIGEST_BYTES];                                      /* Reserve enough space for the larger for SHA256 results. */
+        uint8_t* pucHash = NULL;
+        size_t xHashLength = 0;
+
+        if ((pcSignerCertificate != NULL) &&
+            (pucSignature != NULL) &&
+            (xSignerCertificateLength > 0UL) &&
+            (xSignatureLength > 0UL))
+        {
+            /*
+             * Finish the hash.
+             */
+            (void)mbedtls_sha256_finish_ret(&pxCtx->xSHA256Context, ucSHA256);
+            pucHash = ucSHA256;
+            xHashLength = SHA256_DIGEST_BYTES;
+
+            /*
+             * Verify the signature.
+             */
+            xResult = prvVerifySignature(pcSignerCertificate,
+                xSignerCertificateLength,
+                pxCtx->xHashAlgorithm,
+                pucHash,
+                xHashLength,
+                pucSignature,
+                xSignatureLength);
+        }
+        else
+        {
+            /* Allow function to be called with only the context pointer for cleanup after a failure. */
+        }
+
+        /*
+         * Clean-up
+         */
+        vPortFree(pxCtx);
+    }
+
+    return xResult;
+}
+
+/* Verify the signature of the specified file. */
+OtaPalMainStatus_t xValidateImageSignature(OtaFileContext_t* const C)
+{
+    OtaPalMainStatus_t eResult = OtaPalSuccess;
+    uint32_t ulBytesRead;
+    uint32_t ulSignerCertSize;
+    uint8_t* pucBuf, * pucSignerCert;
+    void* pvSigVerifyContext;
+
+        /* Verify an ECDSA-SHA256 signature. */
+        if (pdFALSE == prvSignatureVerificationStart(&pvSigVerifyContext, ASYMMETRIC_ALGORITHM_ECDSA, HASH_ALGORITHM_SHA256))
+        {
+            eResult = OtaPalSignatureCheckFailed;
+        }
+        else
+        {
+            LogInfo(("Started %s signature verification, file: %s\r\n",
+                OTA_JsonFileSignatureKey, (const char*)C->pCertFilepath));
+            pucSignerCert = otaPal_ReadAndAssumeCertificate((const uint8_t* const)C->pCertFilepath, &ulSignerCertSize);
+
+            if (pucSignerCert != NULL)
+            {
+                pucBuf = pvPortMalloc( OTA_PAL_WIN_BUF_SIZE ); /*lint !e9079 Allow conversion. */
+
+                if (pucBuf != NULL)
+                {
+                    /* Rewind the received file to the beginning. */
+                    if (fseek(C->pFile, 0L, SEEK_SET) == 0) /*lint !e586
+                                                                  * C standard library call is being used for portability. */
+                    {
+                        do
+                        {
+                            ulBytesRead = fread(pucBuf, 1, OTA_PAL_WIN_BUF_SIZE, C->pFile); /*lint !e586
+                                                                                               * C standard library call is being used for portability. */
+                                                                                               /* Include the file chunk in the signature validation. Zero size is OK. */
+                            prvSignatureVerificationUpdate(pvSigVerifyContext, pucBuf, ulBytesRead);
+                        } while (ulBytesRead > 0UL);
+
+                        if (pdFALSE == prvSignatureVerificationFinal(pvSigVerifyContext,
+                            (char*)pucSignerCert,
+                            (size_t)ulSignerCertSize,
+                            C->pSignature->data,
+                            C->pSignature->size)) /*lint !e732 !e9034 Allow comparison in this context. */
+                        {
+                            eResult = OtaPalSignatureCheckFailed;
+                        }
+                        pvSigVerifyContext = NULL;	/* The context has been freed by prvSignatureVerificationFinal(). */
+                    }
+                    else
+                    {
+                        /* Nothing special to do. */
+                    }
+
+                    /* Free the temporary file page buffer. */
+                    vPortFree(pucBuf);
+                }
+                else
+                {
+                    LogError(("Failed to allocate buffer memory.\r\n"));
+                    eResult = OtaPalOutOfMemory;
+                }
+
+                /* Free the signer certificate that we now own after prvReadAndAssumeCertificate(). */
+                vPortFree(pucSignerCert);
+            }
+            else
+            {
+                eResult = OtaPalBadSignerCert;
+            }
+        }
+
+    return eResult;
+}

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Common/Ota_PAL/Win32/ota_pal.c

@@ -0,0 +1,419 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/**
+ * @file ota_pal.c
+ * @brief OTA PAL implementation for Windows platform.
+ */
+
+/* Standard includes. */
+#include <stdio.h>
+#include <stdlib.h>
+
+/* Kernel includes. */
+#include "FreeRTOS.h"
+
+/* Library config includes. */
+#include "ota_config.h"
+
+/* OTA Library include. */
+#include "ota.h"
+#include "ota_pal.h"
+
+#include "code_signature_verification.h"
+
+/* Specify the OTA signature algorithm we support on this platform. */
+const char OTA_JsonFileSignatureKey[ OTA_FILE_SIG_KEY_STR_MAX_LENGTH ] = "sig-sha256-ecdsa";
+
+static OtaPalMainStatus_t otaPal_CheckFileSignature( OtaFileContext_t * const C );
+
+/*-----------------------------------------------------------*/
+
+static inline BaseType_t prvContextValidate( OtaFileContext_t* pFileContext )
+{
+    return( ( pFileContext != NULL ) &&
+            ( pFileContext->pFile != NULL ) ); /*lint !e9034 Comparison is correct for file pointer type. */
+}
+
+/* Used to set the high bit of Windows error codes for a negative return value. */
+#define OTA_PAL_INT16_NEGATIVE_MASK    ( 1 << 15 )
+
+/* Attempt to create a new receive file for the file chunks as they come in. */
+
+OtaPalStatus_t otaPal_CreateFileForRx( OtaFileContext_t* const C )
+{
+    OtaPalMainStatus_t mainErr = OtaPalUninitialized;
+    OtaPalSubStatus_t subErr = 0;
+
+    if( C != NULL )
+    {
+        if ( C->pFilePath != NULL )
+        {
+            C->pFile = fopen( ( const char * )C->pFilePath, "w+b" ); /*lint !e586
+                                                                           * C standard library call is being used for portability. */
+
+            if ( C->pFile != NULL )
+            {
+                mainErr = OtaPalSuccess;
+                LogInfo( ( "Receive file created.\r\n" ) );
+            }
+            else
+            {
+                mainErr = OtaPalRxFileCreateFailed;
+                subErr = errno;
+                LogError( ( "ERROR - Failed to start operation: already active!\r\n" ) );
+            }
+        }
+        else
+        {
+            mainErr = OtaPalRxFileCreateFailed;
+            LogError( ( "ERROR - Invalid filepath in filecontext.\r\n" ) );
+        }
+    }
+    else
+    {
+        mainErr = OtaPalRxFileCreateFailed;
+        LogError( ( "ERROR - Invalid file context provided.\r\n" ) );
+    }
+
+    return OTA_PAL_COMBINE_ERR(mainErr,subErr);
+}
+
+
+/* Abort receiving the specified OTA update by closing the file. */
+
+OtaPalStatus_t otaPal_Abort( OtaFileContext_t * const C )
+{
+    /* Set default return status to uninitialized. */
+    OtaPalMainStatus_t mainErr = OtaPalUninitialized;
+    OtaPalSubStatus_t subErr = 0;
+    int32_t lFileCloseResult;
+
+    if( NULL != C )
+    {
+        /* Close the OTA update file if it's open. */
+        if( NULL != C->pFile )
+        {
+            lFileCloseResult = fclose( C->pFile ); /*lint !e482 !e586
+                                                      * Context file handle state is managed by this API. */
+            C->pFile = NULL;
+
+            if( 0 == lFileCloseResult )
+            {
+                LogInfo( ( "File closed.\r\n" ) );
+                mainErr = OtaPalSuccess;
+            }
+            else /* Failed to close file. */
+            {
+                LogError( ( "ERROR - Closing file failed.\r\n" ) );
+                mainErr = OtaPalFileAbort;
+                subErr = errno;
+            }
+        }
+        else
+        {
+            /* Nothing to do. No open file associated with this context. */
+            mainErr = OtaPalSuccess;
+        }
+    }
+    else /* Context was not valid. */
+    {
+        LogError( ( "ERROR - Invalid context.\r\n" ) );
+        mainErr = OtaPalFileAbort;
+    }
+
+    return OTA_PAL_COMBINE_ERR(mainErr,subErr);
+}
+
+/* Write a block of data to the specified file. */
+int16_t otaPal_WriteBlock( OtaFileContext_t * const C,
+                           uint32_t ulOffset,
+                           uint8_t * const pacData,
+                           uint32_t ulBlockSize )
+{
+    int32_t lResult = 0;
+
+    if( prvContextValidate( C ) == pdTRUE )
+    {
+        lResult = fseek( C->pFile, ulOffset, SEEK_SET ); /*lint !e586 !e713 !e9034
+                                                            * C standard library call is being used for portability. */
+
+        if( 0 == lResult )
+        {
+            lResult = fwrite( pacData, 1, ulBlockSize, C->pFile ); /*lint !e586 !e713 !e9034
+                                                                      * C standard library call is being used for portability. */
+
+            if( lResult < 0 )
+            {
+                LogError( ( "ERROR - fwrite failed\r\n" ) );
+                /* Mask to return a negative value. */
+                lResult = OTA_PAL_INT16_NEGATIVE_MASK | errno; /*lint !e40 !e9027
+                                                                * Errno is being used in accordance with host API documentation.
+                                                                * Bitmasking is being used to preserve host API error with library status code. */
+            }
+        }
+        else
+        {
+            LogError( ( "ERROR - fseek failed\r\n" ) );
+            /* Mask to return a negative value. */
+            lResult = OTA_PAL_INT16_NEGATIVE_MASK | errno; /*lint !e40 !e9027
+                                                            * Errno is being used in accordance with host API documentation.
+                                                            * Bitmasking is being used to preserve host API error with library status code. */
+        }
+    }
+    else /* Invalid context or file pointer provided. */
+    {
+        LogError( ( "ERROR - Invalid context.\r\n" ) );
+        lResult = -1; /*TODO: Need a negative error code from the PAL here. */
+    }
+
+    return ( int16_t ) lResult;
+}
+
+/* Close the specified file. This shall authenticate the file if it is marked as secure. */
+
+OtaPalStatus_t otaPal_CloseFile( OtaFileContext_t * const C )
+{
+    OtaPalMainStatus_t mainErr = OtaPalUninitialized;
+    OtaPalSubStatus_t subErr = 0;
+    int32_t lWindowsError = 0;
+
+    if( prvContextValidate( C ) == pdTRUE )
+    {
+        if( C->pSignature != NULL )
+        {
+            /* Verify the file signature, close the file and return the signature verification result. */
+            mainErr = otaPal_CheckFileSignature( C );
+        }
+        else
+        {
+            LogError( ( "NULL OTA Signature structure.\r\n" ) );
+            mainErr = OtaPalSignatureCheckFailed;
+        }
+
+        /* Close the file. */
+        lWindowsError = fclose( C->pFile ); /*lint !e482 !e586
+                                               * C standard library call is being used for portability. */
+        C->pFile = NULL;
+
+        if( lWindowsError != 0 )
+        {
+            LogError( ( "Failed to close OTA update file.\r\n" ) );
+            mainErr = OtaPalFileClose;
+            subErr = errno;
+        }
+
+        if( mainErr == OtaPalSuccess )
+        {
+            LogInfo( ( "%s signature verification passed.\r\n", OTA_JsonFileSignatureKey ) );
+        }
+        else
+        {
+            LogError( ( "Failed to pass %s signature verification: %d.\r\n",
+                        OTA_JsonFileSignatureKey, OTA_PAL_COMBINE_ERR(mainErr,subErr) ) );
+
+            /* If we fail to verify the file signature that means the image is not valid. We need to set the image state to aborted. */
+            otaPal_SetPlatformImageState( C, OtaImageStateAborted );
+
+        }
+    }
+    else /* Invalid OTA Context. */
+    {
+        /* FIXME: Invalid error code for a null file context and file handle. */
+        LogError( ( "Invalid file context.\r\n" ) );
+        mainErr = OtaPalFileClose;
+    }
+
+    return OTA_PAL_COMBINE_ERR(mainErr,subErr);
+}
+
+
+/* Verify the signature of the specified file. */
+
+static OtaPalMainStatus_t otaPal_CheckFileSignature( OtaFileContext_t* const C )
+{
+    OtaPalMainStatus_t eResult = OtaPalSignatureCheckFailed;
+
+    if ( prvContextValidate( C ) == pdTRUE )
+    {
+        eResult = xValidateImageSignature( C );
+    }
+    else
+    {
+        LogError( ( "OTA image signature is invalid.\r\n" ) );
+    }
+
+    return eResult;
+}
+
+/*-----------------------------------------------------------*/
+
+OtaPalStatus_t otaPal_ResetDevice( OtaFileContext_t* const pFileContext )
+{
+    (void)pFileContext;
+
+    /* Return no error.  Windows implementation does not reset device. */
+    return OTA_PAL_COMBINE_ERR(OtaPalSuccess,0);
+}
+
+/*-----------------------------------------------------------*/
+
+OtaPalStatus_t otaPal_ActivateNewImage( OtaFileContext_t* const pFileContext )
+{
+    (void)pFileContext;
+
+    /* Return no error. Windows implementation simply does nothing on activate.
+     * To run the new firmware image, double click the newly downloaded exe */
+    return OTA_PAL_COMBINE_ERR(OtaPalSuccess,0);
+}
+
+
+/*
+ * Set the final state of the last transferred (final) OTA file (or bundle).
+ * On Windows, the state of the OTA image is stored in PlaformImageState.txt.
+ */
+
+OtaPalStatus_t otaPal_SetPlatformImageState( OtaFileContext_t * const pFileContext, OtaImageState_t eState )
+{
+    (void)pFileContext;
+
+    OtaPalMainStatus_t mainErr = OtaPalSuccess;
+    OtaPalSubStatus_t subErr = 0;
+    FILE * pstPlatformImageState;
+
+    if( eState != OtaImageStateUnknown && eState <= OtaLastImageState )
+    {
+        pstPlatformImageState = fopen( "PlatformImageState.txt", "w+b" ); /*lint !e586
+                                                                           * C standard library call is being used for portability. */
+
+        if( pstPlatformImageState != NULL )
+        {
+            /* Write the image state to PlatformImageState.txt. */
+            if( 1 != fwrite( &eState, sizeof( OtaImageState_t ), 1, pstPlatformImageState ) ) /*lint !e586 !e9029
+                                                                                                * C standard library call is being used for portability. */
+            {
+                LogError( ( "Unable to write to image state file.\r\n" ) );
+                mainErr = OtaPalBadImageState;
+                subErr = errno;
+            }
+
+            /* Close PlatformImageState.txt. */
+            if( 0 != fclose( pstPlatformImageState ) ) /*lint !e586 Allow call in this context. */
+            {
+                LogError( ( "Unable to close image state file.\r\n" ) );
+                mainErr = OtaPalBadImageState;
+                subErr = errno;
+            }
+        }
+        else
+        {
+            LogError( ( "Unable to open image state file.\r\n" ) );
+            mainErr = OtaPalBadImageState;
+            subErr = errno;
+        }
+    } /*lint !e481 Allow fopen and fclose calls in this context. */
+    else /* Image state invalid. */
+    {
+        LogError( ( "ERROR - Invalid image state provided.\r\n" ) );
+        mainErr = OtaPalBadImageState;
+    }
+
+    return OTA_PAL_COMBINE_ERR(mainErr,subErr);
+}
+
+/* Get the state of the currently running image.
+ *
+ * On Windows, this is simulated by looking for and reading the state from
+ * the PlatformImageState.txt file in the current working directory.
+ *
+ * We read this at OTA_Init time so we can tell if the MCU image is in self
+ * test mode. If it is, we expect a successful connection to the OTA services
+ * within a reasonable amount of time. If we don't satisfy that requirement,
+ * we assume there is something wrong with the firmware and reset the device,
+ * causing it to rollback to the previous code. On Windows, this is not
+ * fully simulated as there is no easy way to reset the simulated device.
+ */
+OtaPalImageState_t otaPal_GetPlatformImageState( OtaFileContext_t * const pFileContext )
+{
+    (void)pFileContext;
+
+    FILE * pstPlatformImageState;
+    OtaImageState_t eSavedAgentState = OtaImageStateUnknown;
+    OtaPalImageState_t ePalState = OtaPalImageStateUnknown;
+
+    pstPlatformImageState = fopen( "PlatformImageState.txt", "r+b" ); /*lint !e586
+                                                                       * C standard library call is being used for portability. */
+
+    if( pstPlatformImageState != NULL )
+    {
+        if( 1 != fread( &eSavedAgentState, sizeof(OtaImageState_t), 1, pstPlatformImageState ) ) /*lint !e586 !e9029
+                                                                                           * C standard library call is being used for portability. */
+        {
+            /* If an error occurred reading the file, mark the state as aborted. */
+            LogError( ( "Unable to read image state file.\r\n" ) );
+            ePalState = ( OtaPalImageStateInvalid | (errno & OTA_PAL_ERR_MASK) );
+        }
+        else
+        {
+            switch (eSavedAgentState)
+            {
+                case OtaImageStateTesting:
+                    ePalState = OtaPalImageStatePendingCommit;
+                    break;
+                case OtaImageStateAccepted:
+                    ePalState = OtaPalImageStateValid;
+                    break;
+                case OtaImageStateRejected:
+                case OtaImageStateAborted:
+                default:
+                    ePalState = OtaPalImageStateInvalid;
+                    break;
+            }
+        }
+
+
+        if( 0 != fclose( pstPlatformImageState ) ) /*lint !e586
+                                                    * C standard library call is being used for portability. */
+        {
+            LogError( ( "Unable to close image state file.\r\n" ) );
+            ePalState = (OtaPalImageStateInvalid | ( errno & OTA_PAL_ERR_MASK ) );
+        }
+    }
+    else
+    {
+        /* If no image state file exists, assume a factory image. */
+        ePalState = OtaPalImageStateValid; /*lint !e64 Allow assignment. */
+    }
+
+    return ePalState; /*lint !e64 !e480 !e481 I/O calls and return type are used per design. */
+}
+
+/*-----------------------------------------------------------*/
+
+/* Provide access to private members for testing. */
+#ifdef FREERTOS_ENABLE_UNIT_TESTS
+#include "aws_ota_pal_test_access_define.h"
+#endif

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Common/Ota_PAL/Win32/ota_pal.h

@@ -0,0 +1,207 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/**
+ * @file ota_pal.h
+ * @brief Function declarations for ota_ptal.c.
+ */
+
+#ifndef _OTA_PAL_H_
+#define _OTA_PAL_H_
+
+#include "ota.h"
+
+//static const char signingcredentialSIGNING_CERTIFICATE_PEM[] = "Paste code signing certificate here.";
+
+/**
+ * @brief Abort an OTA transfer.
+ *
+ * Aborts access to an existing open file represented by the OTA file context C. This is only valid
+ * for jobs that started successfully.
+ *
+ * @note The input OtaFileContext_t C is checked for NULL by the OTA agent before this
+ * function is called.
+ * This function may be called before the file is opened, so the file pointer C->fileHandle may be NULL
+ * when this function is called.
+ *
+ * @param[in] C OTA file context information.
+ *
+ * @return The OTA PAL layer error code combined with the MCU specific error code. See OTA Agent
+ * error codes information in ota.h.
+ *
+ * The file pointer will be set to NULL after this function returns.
+ * OTA_ERR_NONE is returned when aborting access to the open file was successful.
+ * OTA_ERR_FILE_ABORT is returned when aborting access to the open file context was unsuccessful.
+ */
+OtaPalStatus_t  otaPal_Abort( OtaFileContext_t * const C );
+
+/**
+ * @brief Create a new receive file for the data chunks as they come in.
+ *
+ * @note Opens the file indicated in the OTA file context in the MCU file system.
+ *
+ * @note The previous image may be present in the designated image download partition or file, so the partition or file
+ * must be completely erased or overwritten in this routine.
+ *
+ * @note The input OtaFileContext_t C is checked for NULL by the OTA agent before this
+ * function is called.
+ * The device file path is a required field in the OTA job document, so C->pFilePath is
+ * checked for NULL by the OTA agent before this function is called.
+ *
+ * @param[in] C OTA file context information.
+ *
+ * @return The OTA PAL layer error code combined with the MCU specific error code. See OTA Agent
+ * error codes information in ota.h.
+ *
+ * OTA_ERR_NONE is returned when file creation is successful.
+ * OTA_ERR_RX_FILE_TOO_LARGE is returned if the file to be created exceeds the device's non-volatile memory size constraints.
+ * OTA_ERR_BOOT_INFO_CREATE_FAILED is returned if the bootloader information file creation fails.
+ * OTA_ERR_RX_FILE_CREATE_FAILED is returned for other errors creating the file in the device's non-volatile memory.
+ */
+OtaPalStatus_t  otaPal_CreateFileForRx( OtaFileContext_t * const C );
+
+/* @brief Authenticate and close the underlying receive file in the specified OTA context.
+ *
+ * @note The input OtaFileContext_t C is checked for NULL by the OTA agent before this
+ * function is called. This function is called only at the end of block ingestion.
+ * prvPAL_CreateFileForRx() must succeed before this function is reached, so
+ * C->fileHandle(or C->pFile) is never NULL.
+ * The certificate path on the device is a required job document field in the OTA Agent,
+ * so C->pCertFilepath is never NULL.
+ * The file signature key is required job document field in the OTA Agent, so C->pSignature will
+ * never be NULL.
+ *
+ * If the signature verification fails, file close should still be attempted.
+ *
+ * @param[in] C OTA file context information.
+ *
+ * @return The OTA PAL layer error code combined with the MCU specific error code. See OTA Agent
+ * error codes information in ota.h.
+ *
+ * OTA_ERR_NONE is returned on success.
+ * OTA_ERR_SIGNATURE_CHECK_FAILED is returned when cryptographic signature verification fails.
+ * OTA_ERR_BAD_SIGNER_CERT is returned for errors in the certificate itself.
+ * OTA_ERR_FILE_CLOSE is returned when closing the file fails.
+ */
+OtaPalStatus_t  otaPal_CloseFile( OtaFileContext_t * const C );
+
+/**
+ * @brief Write a block of data to the specified file at the given offset.
+ *
+ * @note The input OtaFileContext_t C is checked for NULL by the OTA agent before this
+ * function is called.
+ * The file pointer/handle C->pFile, is checked for NULL by the OTA agent before this
+ * function is called.
+ * pacData is checked for NULL by the OTA agent before this function is called.
+ * ulBlockSize is validated for range by the OTA agent before this function is called.
+ * ulBlockIndex is validated by the OTA agent before this function is called.
+ *
+ * @param[in] C OTA file context information.
+ * @param[in] ulOffset Byte offset to write to from the beginning of the file.
+ * @param[in] pacData Pointer to the byte array of data to write.
+ * @param[in] ulBlockSize The number of bytes to write.
+ *
+ * @return The number of bytes written on a success, or a negative error code from the platform abstraction layer.
+ */
+int16_t otaPal_WriteBlock( OtaFileContext_t * const C,
+                           uint32_t ulOffset,
+                           uint8_t * const pcData,
+                           uint32_t ulBlockSize );
+
+/**
+ * @brief Activate the newest MCU image received via OTA.
+ *
+ * This function shall do whatever is necessary to activate the newest MCU
+ * firmware received via OTA. It is typically just a reset of the device.
+ *
+ * @note This function SHOULD not return. If it does, the platform does not support
+ * an automatic reset or an error occurred.
+ *
+ * @return The OTA PAL layer error code combined with the MCU specific error code. See OTA Agent
+ * error codes information in ota.h.
+ */
+OtaPalStatus_t  otaPal_ActivateNewImage( OtaFileContext_t * const C );
+
+/**
+ * @brief Reset the device.
+ *
+ * This function shall reset the MCU and cause a reboot of the system.
+ *
+ * @note This function SHOULD not return. If it does, the platform does not support
+ * an automatic reset or an error occurred.
+ *
+ * @return The OTA PAL layer error code combined with the MCU specific error code. See OTA Agent
+ * error codes information in ota.h.
+ */
+
+OtaPalStatus_t  otaPal_ResetDevice( OtaFileContext_t * const C );
+
+/**
+ * @brief Attempt to set the state of the OTA update image.
+ *
+ * Do whatever is required by the platform to Accept/Reject the OTA update image (or bundle).
+ * Refer to the PAL implementation to determine what happens on your platform.
+ *
+ * @param[in] eState The desired state of the OTA update image.
+ *
+ * @return The OtaErr_t error code combined with the MCU specific error code. See ota.h for
+ *         OTA major error codes and your specific PAL implementation for the sub error code.
+ *
+ * Major error codes returned are:
+ *
+ *   OTA_ERR_NONE on success.
+ *   OTA_ERR_BAD_IMAGE_STATE: if you specify an invalid OtaImageState_t. No sub error code.
+ *   OTA_ERR_ABORT_FAILED: failed to roll back the update image as requested by OtaImageStateAborted.
+ *   OTA_ERR_REJECT_FAILED: failed to roll back the update image as requested by OtaImageStateRejected.
+ *   OTA_ERR_COMMIT_FAILED: failed to make the update image permanent as requested by OtaImageStateAccepted.
+ */
+OtaPalStatus_t  otaPal_SetPlatformImageState( OtaFileContext_t * const C,
+                                       OtaImageState_t eState );
+
+/**
+ * @brief Get the state of the OTA update image.
+ *
+ * We read this at OTA_Init time and when the latest OTA job reports itself in self
+ * test. If the update image is in the "pending commit" state, we start a self test
+ * timer to assure that we can successfully connect to the OTA services and accept
+ * the OTA update image within a reasonable amount of time (user configurable). If
+ * we don't satisfy that requirement, we assume there is something wrong with the
+ * firmware and automatically reset the device, causing it to roll back to the
+ * previously known working code.
+ *
+ * If the update image state is not in "pending commit," the self test timer is
+ * not started.
+ *
+ * @return An OtaPalImageState_t. One of the following:
+ *   OtaPalImageStatePendingCommit (the new firmware image is in the self test phase)
+ *   OtaPalImageStateValid         (the new firmware image is already committed)
+ *   OtaPalImageStateInvalid       (the new firmware image is invalid or non-existent)
+ *
+ *   NOTE: OtaPalImageStateUnknown should NEVER be returned and indicates an implementation error.
+ */
+OtaPalImageState_t otaPal_GetPlatformImageState( OtaFileContext_t * const C );
+
+#endif /* ifndef _OTA_PAL_H_ */

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Common/subscription-manager/subscription_manager.c

@@ -0,0 +1,170 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/**
+ * @file subscription_manager.c
+ * @brief Functions for managing MQTT subscriptions.
+ */
+
+/* Standard includes. */
+#include <string.h>
+
+/* Subscription manager header include. */
+#include "subscription_manager.h"
+
+
+bool addSubscription( SubscriptionElement_t * pxSubscriptionList,
+                      const char * pcTopicFilterString,
+                      uint16_t usTopicFilterLength,
+                      IncomingPubCallback_t pxIncomingPublishCallback,
+                      void * pvIncomingPublishCallbackContext )
+{
+    int32_t lIndex = 0;
+    size_t xAvailableIndex = SUBSCRIPTION_MANAGER_MAX_SUBSCRIPTIONS;
+    bool xReturnStatus = false;
+
+    if( ( pxSubscriptionList == NULL ) ||
+        ( pcTopicFilterString == NULL ) ||
+        ( usTopicFilterLength == 0U ) ||
+        ( pxIncomingPublishCallback == NULL ) )
+    {
+        LogError( ( "Invalid parameter. pxSubscriptionList=%p, pcTopicFilterString=%p,"
+                    " usTopicFilterLength=%u, pxIncomingPublishCallback=%p.",
+                    pxSubscriptionList,
+                    pcTopicFilterString,
+                    ( unsigned int ) usTopicFilterLength,
+                    pxIncomingPublishCallback ) );
+    }
+    else
+    {
+        /* Start at end of array, so that we will insert at the first available index.
+         * Scans backwards to find duplicates. */
+        for( lIndex = ( int32_t ) SUBSCRIPTION_MANAGER_MAX_SUBSCRIPTIONS - 1; lIndex >= 0; lIndex-- )
+        {
+            if( pxSubscriptionList[ lIndex ].usFilterStringLength == 0 )
+            {
+                xAvailableIndex = lIndex;
+            }
+            else if( ( pxSubscriptionList[ lIndex ].usFilterStringLength == usTopicFilterLength ) &&
+                     ( strncmp( pcTopicFilterString, pxSubscriptionList[ lIndex ].pcSubscriptionFilterString, ( size_t ) usTopicFilterLength ) == 0 ) )
+            {
+                /* If a subscription already exists, don't do anything. */
+                if( ( pxSubscriptionList[ lIndex ].pxIncomingPublishCallback == pxIncomingPublishCallback ) &&
+                    ( pxSubscriptionList[ lIndex ].pvIncomingPublishCallbackContext == pvIncomingPublishCallbackContext ) )
+                {
+                    LogWarn( ( "Subscription already exists.\n" ) );
+                    xAvailableIndex = SUBSCRIPTION_MANAGER_MAX_SUBSCRIPTIONS;
+                    xReturnStatus = true;
+                    break;
+                }
+            }
+        }
+
+        if( xAvailableIndex < SUBSCRIPTION_MANAGER_MAX_SUBSCRIPTIONS )
+        {
+            pxSubscriptionList[ xAvailableIndex ].pcSubscriptionFilterString = pcTopicFilterString;
+            pxSubscriptionList[ xAvailableIndex ].usFilterStringLength = usTopicFilterLength;
+            pxSubscriptionList[ xAvailableIndex ].pxIncomingPublishCallback = pxIncomingPublishCallback;
+            pxSubscriptionList[ xAvailableIndex ].pvIncomingPublishCallbackContext = pvIncomingPublishCallbackContext;
+            xReturnStatus = true;
+        }
+    }
+
+    return xReturnStatus;
+}
+
+/*-----------------------------------------------------------*/
+
+void removeSubscription( SubscriptionElement_t * pxSubscriptionList,
+                         const char * pcTopicFilterString,
+                         uint16_t usTopicFilterLength )
+{
+    int32_t lIndex = 0;
+
+    if( ( pxSubscriptionList == NULL ) ||
+        ( pcTopicFilterString == NULL ) ||
+        ( usTopicFilterLength == 0U ) )
+    {
+        LogError( ( "Invalid parameter. pxSubscriptionList=%p, pcTopicFilterString=%p,"
+                    " usTopicFilterLength=%u.",
+                    pxSubscriptionList,
+                    pcTopicFilterString,
+                    ( unsigned int ) usTopicFilterLength ) );
+    }
+    else
+    {
+        for( lIndex = 0; lIndex < SUBSCRIPTION_MANAGER_MAX_SUBSCRIPTIONS; lIndex++ )
+        {
+            if( pxSubscriptionList[ lIndex ].usFilterStringLength == usTopicFilterLength )
+            {
+                if( strncmp( pxSubscriptionList[ lIndex ].pcSubscriptionFilterString, pcTopicFilterString, usTopicFilterLength ) == 0 )
+                {
+                    memset( &( pxSubscriptionList[ lIndex ] ), 0x00, sizeof( SubscriptionElement_t ) );
+                }
+            }
+        }
+    }
+}
+
+/*-----------------------------------------------------------*/
+
+bool handleIncomingPublishes( SubscriptionElement_t * pxSubscriptionList,
+                              MQTTPublishInfo_t * pxPublishInfo )
+{
+    int32_t lIndex = 0;
+    bool isMatched = false, publishHandled = false;
+
+    if( ( pxSubscriptionList == NULL ) ||
+        ( pxPublishInfo == NULL ) )
+    {
+        LogError( ( "Invalid parameter. pxSubscriptionList=%p, pxPublishInfo=%p,",
+                    pxSubscriptionList,
+                    pxPublishInfo ) );
+    }
+    else
+    {
+        for( lIndex = 0; lIndex < SUBSCRIPTION_MANAGER_MAX_SUBSCRIPTIONS; lIndex++ )
+        {
+            if( pxSubscriptionList[ lIndex ].usFilterStringLength > 0 )
+            {
+                MQTT_MatchTopic( pxPublishInfo->pTopicName,
+                                 pxPublishInfo->topicNameLength,
+                                 pxSubscriptionList[ lIndex ].pcSubscriptionFilterString,
+                                 pxSubscriptionList[ lIndex ].usFilterStringLength,
+                                 &isMatched );
+
+                if( isMatched == true )
+                {
+                    pxSubscriptionList[ lIndex ].pxIncomingPublishCallback( pxSubscriptionList[ lIndex ].pvIncomingPublishCallbackContext,
+                                                                            pxPublishInfo );
+                    publishHandled = true;
+                }
+            }
+        }
+    }
+
+    return publishHandled;
+}

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Common/subscription-manager/subscription_manager.h

@@ -0,0 +1,150 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/**
+ * @file subscription_manager.h
+ * @brief Functions for managing MQTT subscriptions.
+ */
+#ifndef SUBSCRIPTION_MANAGER_H
+#define SUBSCRIPTION_MANAGER_H
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Logging related header files are required to be included in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define LIBRARY_LOG_NAME and  LIBRARY_LOG_LEVEL.
+ * 3. Include the header file "logging_stack.h".
+ */
+
+/* Include header that defines log levels. */
+#include "logging_levels.h"
+
+/* Logging configuration for the Subscription Manager module. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME     "Subscription Manager"
+#endif
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_ERROR
+#endif
+
+#include "logging_stack.h"
+
+
+/* Demo config include. */
+#include "demo_config.h"
+
+/* core MQTT include. */
+#include "core_mqtt.h"
+
+
+/**
+ * @brief Maximum number of subscriptions maintained by the subscription manager
+ * simultaneously in a list.
+ */
+#ifndef SUBSCRIPTION_MANAGER_MAX_SUBSCRIPTIONS
+    #define SUBSCRIPTION_MANAGER_MAX_SUBSCRIPTIONS    10U
+#endif
+
+/**
+ * @brief Callback function called when receiving a publish.
+ *
+ * @param[in] pvIncomingPublishCallbackContext The incoming publish callback context.
+ * @param[in] pxPublishInfo Deserialized publish information.
+ */
+typedef void (* IncomingPubCallback_t )( void * pvIncomingPublishCallbackContext,
+                                         MQTTPublishInfo_t * pxPublishInfo );
+
+/**
+ * @brief An element in the list of subscriptions.
+ *
+ * This subscription manager implementation expects that the array of the
+ * subscription elements used for storing subscriptions to be initialized to 0.
+ *
+ * @note This implementation allows multiple tasks to subscribe to the same topic.
+ * In this case, another element is added to the subscription list, differing
+ * in the intended publish callback. Also note that the topic filters are not
+ * copied in the subscription manager and hence the topic filter strings need to
+ * stay in scope until unsubscribed.
+ */
+typedef struct subscriptionElement
+{
+    IncomingPubCallback_t pxIncomingPublishCallback;
+    void * pvIncomingPublishCallbackContext;
+    uint16_t usFilterStringLength;
+    const char * pcSubscriptionFilterString;
+} SubscriptionElement_t;
+
+/**
+ * @brief Add a subscription to the subscription list.
+ *
+ * @note Multiple tasks can be subscribed to the same topic with different
+ * context-callback pairs. However, a single context-callback pair may only be
+ * associated to the same topic filter once.
+ *
+ * @param[in] pxSubscriptionList  The pointer to the subscription list array.
+ * @param[in] pcTopicFilterString Topic filter string of subscription.
+ * @param[in] usTopicFilterLength Length of topic filter string.
+ * @param[in] pxIncomingPublishCallback Callback function for the subscription.
+ * @param[in] pvIncomingPublishCallbackContext Context for the subscription callback.
+ *
+ * @return `true` if subscription added or exists, `false` if insufficient memory.
+ */
+bool addSubscription( SubscriptionElement_t * pxSubscriptionList,
+                      const char * pcTopicFilterString,
+                      uint16_t usTopicFilterLength,
+                      IncomingPubCallback_t pxIncomingPublishCallback,
+                      void * pvIncomingPublishCallbackContext );
+
+/**
+ * @brief Remove a subscription from the subscription list.
+ *
+ * @note If the topic filter exists multiple times in the subscription list,
+ * then every instance of the subscription will be removed.
+ *
+ * @param[in] pxSubscriptionList  The pointer to the subscription list array.
+ * @param[in] pcTopicFilterString Topic filter of subscription.
+ * @param[in] usTopicFilterLength Length of topic filter.
+ */
+void removeSubscription( SubscriptionElement_t * pxSubscriptionList,
+                         const char * pcTopicFilterString,
+                         uint16_t usTopicFilterLength );
+
+/**
+ * @brief Handle incoming publishes by invoking the callbacks registered
+ * for the incoming publish's topic filter.
+ *
+ * @param[in] pxSubscriptionList  The pointer to the subscription list array.
+ * @param[in] pxPublishInfo Info of incoming publish.
+ *
+ * @return `true` if an application callback could be invoked;
+ *  `false` otherwise.
+ */
+bool handleIncomingPublishes( SubscriptionElement_t * pxSubscriptionList,
+                              MQTTPublishInfo_t * pxPublishInfo );
+
+#endif /* SUBSCRIPTION_MANAGER_H */

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Http_Demo/FreeRTOSConfig.h

@@ -0,0 +1,210 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef FREERTOS_CONFIG_H
+#define FREERTOS_CONFIG_H
+
+/*-----------------------------------------------------------
+* Application specific definitions.
+*
+* These definitions should be adjusted for your particular hardware and
+* application requirements.
+*
+* THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
+* FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
+* http://www.freertos.org/a00110.html
+*
+* The bottom of this file contains some constants specific to running the UDP
+* stack in this demo.  Constants specific to FreeRTOS+TCP itself (rather than
+* the demo) are contained in FreeRTOSIPConfig.h.
+*----------------------------------------------------------*/
+#define configUSE_PREEMPTION                       1
+#define configUSE_PORT_OPTIMISED_TASK_SELECTION    1
+#define configMAX_PRIORITIES                       ( 7 )
+#define configTICK_RATE_HZ                         ( 1000 )                  /* In this non-real time simulated environment the tick frequency has to be at least a multiple of the Win32 tick frequency, and therefore very slow. */
+#define configMINIMAL_STACK_SIZE                   ( ( unsigned short ) 60 ) /* In this simulated case, the stack only has to hold one small structure as the real stack is part of the Win32 thread. */
+#define configTOTAL_HEAP_SIZE                      ( ( size_t ) ( 2048U * 1024U ) )
+#define configMAX_TASK_NAME_LEN                    ( 15 )
+#define configUSE_TRACE_FACILITY                   0
+#define configUSE_16_BIT_TICKS                     0
+#define configIDLE_SHOULD_YIELD                    1
+#define configUSE_CO_ROUTINES                      0
+#define configUSE_MUTEXES                          1
+#define configUSE_RECURSIVE_MUTEXES                1
+#define configQUEUE_REGISTRY_SIZE                  0
+#define configUSE_APPLICATION_TASK_TAG             0
+#define configUSE_COUNTING_SEMAPHORES              1
+#define configUSE_ALTERNATIVE_API                  0
+#define configNUM_THREAD_LOCAL_STORAGE_POINTERS    0
+#define configENABLE_BACKWARD_COMPATIBILITY        1
+#define configSUPPORT_STATIC_ALLOCATION            1
+
+/* Hook function related definitions. */
+#define configUSE_TICK_HOOK                        0
+#define configUSE_IDLE_HOOK                        0
+#define configUSE_MALLOC_FAILED_HOOK               0
+#define configCHECK_FOR_STACK_OVERFLOW             0 /* Not applicable to the Win32 port. */
+
+/* Software timer related definitions. */
+#define configUSE_TIMERS                           1
+#define configTIMER_TASK_PRIORITY                  ( configMAX_PRIORITIES - 1 )
+#define configTIMER_QUEUE_LENGTH                   5
+#define configTIMER_TASK_STACK_DEPTH               ( configMINIMAL_STACK_SIZE * 2 )
+
+/* Event group related definitions. */
+#define configUSE_EVENT_GROUPS                     1
+
+/* Run time stats gathering configuration options. */
+#define configGENERATE_RUN_TIME_STATS              0
+
+/* Co-routine definitions. */
+#define configUSE_CO_ROUTINES                      0
+#define configMAX_CO_ROUTINE_PRIORITIES            ( 2 )
+
+/* Set the following definitions to 1 to include the API function, or zero
+ * to exclude the API function. */
+#define INCLUDE_vTaskPrioritySet                   1
+#define INCLUDE_uxTaskPriorityGet                  1
+#define INCLUDE_vTaskDelete                        1
+#define INCLUDE_vTaskCleanUpResources              0
+#define INCLUDE_vTaskSuspend                       1
+#define INCLUDE_vTaskDelayUntil                    1
+#define INCLUDE_vTaskDelay                         1
+#define INCLUDE_uxTaskGetStackHighWaterMark        1
+#define INCLUDE_xTaskGetSchedulerState             1
+#define INCLUDE_xTimerGetTimerTaskHandle           0
+#define INCLUDE_xTaskGetIdleTaskHandle             0
+#define INCLUDE_xQueueGetMutexHolder               1
+#define INCLUDE_eTaskGetState                      1
+#define INCLUDE_xEventGroupSetBitsFromISR          1
+#define INCLUDE_xTimerPendFunctionCall             1
+#define INCLUDE_pcTaskGetTaskName                  1
+
+/* This demo makes use of one or more example stats formatting functions.  These
+ * format the raw data provided by the uxTaskGetSystemState() function in to human
+ * readable ASCII form.  See the notes in the implementation of vTaskList() within
+ * FreeRTOS/Source/tasks.c for limitations.  configUSE_STATS_FORMATTING_FUNCTIONS
+ * is set to 2 so the formatting functions are included without the stdio.h being
+ * included in tasks.c.  That is because this project defines its own sprintf()
+ * functions. */
+#define configUSE_STATS_FORMATTING_FUNCTIONS       1
+
+/* Assert call defined for debug builds. */
+#ifdef _DEBUG
+    extern void vAssertCalled( const char * pcFile,
+                               uint32_t ulLine );
+    #define configASSERT( x )    if( ( x ) == 0 ) vAssertCalled( __FILE__, __LINE__ )
+#endif /* _DEBUG */
+
+
+
+/* Application specific definitions follow. **********************************/
+
+/* Only used when running in the FreeRTOS Windows simulator.  Defines the
+ * priority of the task used to simulate Ethernet interrupts. */
+#define configMAC_ISR_SIMULATOR_PRIORITY    ( configMAX_PRIORITIES - 1 )
+
+/* This demo creates a virtual network connection by accessing the raw Ethernet
+ * or WiFi data to and from a real network connection.  Many computers have more
+ * than one real network port, and configNETWORK_INTERFACE_TO_USE is used to tell
+ * the demo which real port should be used to create the virtual port.  The ports
+ * available are displayed on the console when the application is executed.  For
+ * example, on my development laptop setting configNETWORK_INTERFACE_TO_USE to 4
+ * results in the wired network being used, while setting
+ * configNETWORK_INTERFACE_TO_USE to 2 results in the wireless network being
+ * used. */
+#define configNETWORK_INTERFACE_TO_USE      ( 5L )
+
+/* The address to which logging is sent should UDP logging be enabled. */
+#define configUDP_LOGGING_ADDR0             192
+#define configUDP_LOGGING_ADDR1             168
+#define configUDP_LOGGING_ADDR2             0
+#define configUDP_LOGGING_ADDR3             11
+
+/* Default MAC address configuration.  The demo creates a virtual network
+ * connection that uses this MAC address by accessing the raw Ethernet/WiFi data
+ * to and from a real network connection on the host PC.  See the
+ * configNETWORK_INTERFACE_TO_USE definition above for information on how to
+ * configure the real network connection to use. */
+#define configMAC_ADDR0                     0x00
+#define configMAC_ADDR1                     0x11
+#define configMAC_ADDR2                     0x11
+#define configMAC_ADDR3                     0x11
+#define configMAC_ADDR4                     0x11
+#define configMAC_ADDR5                     0x41
+
+/* Default IP address configuration.  Used in ipconfigUSE_DNS is set to 0, or
+ * ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configIP_ADDR0                      10
+#define configIP_ADDR1                      10
+#define configIP_ADDR2                      10
+#define configIP_ADDR3                      200
+
+/* Default gateway IP address configuration.  Used in ipconfigUSE_DNS is set to
+ * 0, or ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configGATEWAY_ADDR0                 10
+#define configGATEWAY_ADDR1                 10
+#define configGATEWAY_ADDR2                 10
+#define configGATEWAY_ADDR3                 1
+
+/* Default DNS server configuration.  OpenDNS addresses are 208.67.222.222 and
+ * 208.67.220.220.  Used in ipconfigUSE_DNS is set to 0, or ipconfigUSE_DNS is set
+ * to 1 but a DNS server cannot be contacted.*/
+#define configDNS_SERVER_ADDR0              208
+#define configDNS_SERVER_ADDR1              67
+#define configDNS_SERVER_ADDR2              222
+#define configDNS_SERVER_ADDR3              222
+
+/* Default netmask configuration.  Used in ipconfigUSE_DNS is set to 0, or
+ * ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configNET_MASK0                     255
+#define configNET_MASK1                     0
+#define configNET_MASK2                     0
+#define configNET_MASK3                     0
+
+/* The UDP port to which print messages are sent. */
+#define configPRINT_PORT                    ( 15000 )
+
+
+#if ( defined( _MSC_VER ) && ( _MSC_VER <= 1600 ) && !defined( snprintf ) )
+    /* Map to Windows names. */
+    #define snprintf     _snprintf
+    #define vsnprintf    _vsnprintf
+#endif
+
+/* Visual studio does not have an implementation of strcasecmp(). */
+#define strcasecmp     _stricmp
+#define strncasecmp    _strnicmp
+#define strcmpi        _strcmpi
+
+/* Prototype for the function used to print out.  In this case it prints to the
+ * console before the network is connected then a UDP port after the network has
+ * connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+#define configPRINTF( X )    vLoggingPrintf X
+
+#endif /* FREERTOS_CONFIG_H */

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Http_Demo/FreeRTOSIPConfig.h

@@ -0,0 +1,310 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+
+/*****************************************************************************
+*
+* See the following URL for configuration information.
+* http://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html
+*
+*****************************************************************************/
+
+#ifndef FREERTOS_IP_CONFIG_H
+#define FREERTOS_IP_CONFIG_H
+
+/* Prototype for the function used to print out.  In this case it prints to the
+ * console before the network is connected then a UDP port after the network has
+ * connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Set to 1 to print out debug messages.  If ipconfigHAS_DEBUG_PRINTF is set to
+ * 1 then FreeRTOS_debug_printf should be defined to the function used to print
+ * out the debugging messages. */
+#define ipconfigHAS_DEBUG_PRINTF    0
+#if ( ipconfigHAS_DEBUG_PRINTF == 1 )
+    #define FreeRTOS_debug_printf( X )    vLoggingPrintf X
+#endif
+
+/* Set to 1 to print out non debugging messages, for example the output of the
+ * FreeRTOS_netstat() command, and ping replies.  If ipconfigHAS_PRINTF is set to 1
+ * then FreeRTOS_printf should be set to the function used to print out the
+ * messages. */
+#define ipconfigHAS_PRINTF    1
+#if ( ipconfigHAS_PRINTF == 1 )
+    #define FreeRTOS_printf( X )    vLoggingPrintf X
+#endif
+
+/* Define the byte order of the target MCU (the MCU FreeRTOS+TCP is executing
+ * on).  Valid options are pdFREERTOS_BIG_ENDIAN and pdFREERTOS_LITTLE_ENDIAN. */
+#define ipconfigBYTE_ORDER                         pdFREERTOS_LITTLE_ENDIAN
+
+/* If the network card/driver includes checksum offloading (IP/TCP/UDP checksums)
+ * then set ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM to 1 to prevent the software
+ * stack repeating the checksum calculations. */
+#define ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM     1
+
+/* Several API's will block until the result is known, or the action has been
+ * performed, for example FreeRTOS_send() and FreeRTOS_recv().  The timeouts can be
+ * set per socket, using setsockopt().  If not set, the times below will be
+ * used as defaults. */
+#define ipconfigSOCK_DEFAULT_RECEIVE_BLOCK_TIME    ( 2000 )
+#define ipconfigSOCK_DEFAULT_SEND_BLOCK_TIME       ( 5000 )
+
+/* Include support for LLMNR: Link-local Multicast Name Resolution
+ * (non-Microsoft) */
+#define ipconfigUSE_LLMNR                          ( 0 )
+
+/* Include support for NBNS: NetBIOS Name Service (Microsoft) */
+#define ipconfigUSE_NBNS                           ( 0 )
+
+/* Include support for DNS caching.  For TCP, having a small DNS cache is very
+ * useful.  When a cache is present, ipconfigDNS_REQUEST_ATTEMPTS can be kept low
+ * and also DNS may use small timeouts.  If a DNS reply comes in after the DNS
+ * socket has been destroyed, the result will be stored into the cache.  The next
+ * call to FreeRTOS_gethostbyname() will return immediately, without even creating
+ * a socket. */
+#define ipconfigUSE_DNS_CACHE                      ( 1 )
+#define ipconfigDNS_CACHE_NAME_LENGTH              ( 64 )
+#define ipconfigDNS_CACHE_ENTRIES                  ( 4 )
+#define ipconfigDNS_REQUEST_ATTEMPTS               ( 2 )
+
+/* The IP stack executes it its own task (although any application task can make
+ * use of its services through the published sockets API). ipconfigUDP_TASK_PRIORITY
+ * sets the priority of the task that executes the IP stack.  The priority is a
+ * standard FreeRTOS task priority so can take any value from 0 (the lowest
+ * priority) to (configMAX_PRIORITIES - 1) (the highest priority).
+ * configMAX_PRIORITIES is a standard FreeRTOS configuration parameter defined in
+ * FreeRTOSConfig.h, not FreeRTOSIPConfig.h. Consideration needs to be given as to
+ * the priority assigned to the task executing the IP stack relative to the
+ * priority assigned to tasks that use the IP stack. */
+#define ipconfigIP_TASK_PRIORITY                   ( configMAX_PRIORITIES - 2 )
+
+/* The size, in words (not bytes), of the stack allocated to the FreeRTOS+TCP
+ * task.  This setting is less important when the FreeRTOS Win32 simulator is used
+ * as the Win32 simulator only stores a fixed amount of information on the task
+ * stack.  FreeRTOS includes optional stack overflow detection, see:
+ * http://www.freertos.org/Stacks-and-stack-overflow-checking.html */
+#define ipconfigIP_TASK_STACK_SIZE_WORDS           ( configMINIMAL_STACK_SIZE * 5 )
+
+/* ipconfigRAND32() is called by the IP stack to generate random numbers for
+ * things such as a DHCP transaction number or initial sequence number.  Random
+ * number generation is performed via this macro to allow applications to use their
+ * own random number generation method.  For example, it might be possible to
+ * generate a random number by sampling noise on an analogue input. */
+extern UBaseType_t uxRand();
+#define ipconfigRAND32()    uxRand()
+
+/* If ipconfigUSE_NETWORK_EVENT_HOOK is set to 1 then FreeRTOS+TCP will call the
+ * network event hook at the appropriate times.  If ipconfigUSE_NETWORK_EVENT_HOOK
+ * is not set to 1 then the network event hook will never be called.  See
+ * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_UDP/API/vApplicationIPNetworkEventHook.shtml
+ */
+#define ipconfigUSE_NETWORK_EVENT_HOOK                        1
+
+/* Sockets have a send block time attribute.  If FreeRTOS_sendto() is called but
+ * a network buffer cannot be obtained then the calling task is held in the Blocked
+ * state (so other tasks can continue to executed) until either a network buffer
+ * becomes available or the send block time expires.  If the send block time expires
+ * then the send operation is aborted.  The maximum allowable send block time is
+ * capped to the value set by ipconfigMAX_SEND_BLOCK_TIME_TICKS.  Capping the
+ * maximum allowable send block time prevents a deadlock occurring when
+ * all the network buffers are in use and the tasks that process (and subsequently
+ * free) the network buffers are themselves blocked waiting for a network buffer.
+ * ipconfigMAX_SEND_BLOCK_TIME_TICKS is specified in RTOS ticks.  A time in
+ * milliseconds can be converted to a time in ticks by dividing the time in
+ * milliseconds by portTICK_PERIOD_MS. */
+#define ipconfigUDP_MAX_SEND_BLOCK_TIME_TICKS                 ( 5000 / portTICK_PERIOD_MS )
+
+/* If ipconfigUSE_DHCP is 1 then FreeRTOS+TCP will attempt to retrieve an IP
+ * address, netmask, DNS server address and gateway address from a DHCP server.  If
+ * ipconfigUSE_DHCP is 0 then FreeRTOS+TCP will use a static IP address.  The
+ * stack will revert to using the static IP address even when ipconfigUSE_DHCP is
+ * set to 1 if a valid configuration cannot be obtained from a DHCP server for any
+ * reason.  The static configuration used is that passed into the stack by the
+ * FreeRTOS_IPInit() function call. */
+#define ipconfigUSE_DHCP                                      1
+
+/* When ipconfigUSE_DHCP is set to 1, DHCP requests will be sent out at
+ * increasing time intervals until either a reply is received from a DHCP server
+ * and accepted, or the interval between transmissions reaches
+ * ipconfigMAXIMUM_DISCOVER_TX_PERIOD.  The IP stack will revert to using the
+ * static IP address passed as a parameter to FreeRTOS_IPInit() if the
+ * re-transmission time interval reaches ipconfigMAXIMUM_DISCOVER_TX_PERIOD without
+ * a DHCP reply being received. */
+#define ipconfigMAXIMUM_DISCOVER_TX_PERIOD                    ( 120000 / portTICK_PERIOD_MS )
+
+/* The ARP cache is a table that maps IP addresses to MAC addresses.  The IP
+ * stack can only send a UDP message to a remove IP address if it knowns the MAC
+ * address associated with the IP address, or the MAC address of the router used to
+ * contact the remote IP address.  When a UDP message is received from a remote IP
+ * address the MAC address and IP address are added to the ARP cache.  When a UDP
+ * message is sent to a remote IP address that does not already appear in the ARP
+ * cache then the UDP message is replaced by a ARP message that solicits the
+ * required MAC address information.  ipconfigARP_CACHE_ENTRIES defines the maximum
+ * number of entries that can exist in the ARP table at any one time. */
+#define ipconfigARP_CACHE_ENTRIES                             6
+
+/* ARP requests that do not result in an ARP response will be re-transmitted a
+ * maximum of ipconfigMAX_ARP_RETRANSMISSIONS times before the ARP request is
+ * aborted. */
+#define ipconfigMAX_ARP_RETRANSMISSIONS                       ( 5 )
+
+/* ipconfigMAX_ARP_AGE defines the maximum time between an entry in the ARP
+ * table being created or refreshed and the entry being removed because it is stale.
+ * New ARP requests are sent for ARP cache entries that are nearing their maximum
+ * age.  ipconfigMAX_ARP_AGE is specified in tens of seconds, so a value of 150 is
+ * equal to 1500 seconds (or 25 minutes). */
+#define ipconfigMAX_ARP_AGE                                   150
+
+/* Implementing FreeRTOS_inet_addr() necessitates the use of string handling
+ * routines, which are relatively large.  To save code space the full
+ * FreeRTOS_inet_addr() implementation is made optional, and a smaller and faster
+ * alternative called FreeRTOS_inet_addr_quick() is provided.  FreeRTOS_inet_addr()
+ * takes an IP in decimal dot format (for example, "192.168.0.1") as its parameter.
+ * FreeRTOS_inet_addr_quick() takes an IP address as four separate numerical octets
+ * (for example, 192, 168, 0, 1) as its parameters.  If
+ * ipconfigINCLUDE_FULL_INET_ADDR is set to 1 then both FreeRTOS_inet_addr() and
+ * FreeRTOS_indet_addr_quick() are available.  If ipconfigINCLUDE_FULL_INET_ADDR is
+ * not set to 1 then only FreeRTOS_indet_addr_quick() is available. */
+#define ipconfigINCLUDE_FULL_INET_ADDR                        1
+
+/* ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS defines the total number of network buffer that
+ * are available to the IP stack.  The total number of network buffers is limited
+ * to ensure the total amount of RAM that can be consumed by the IP stack is capped
+ * to a pre-determinable value. */
+#define ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS                60
+
+/* A FreeRTOS queue is used to send events from application tasks to the IP
+ * stack.  ipconfigEVENT_QUEUE_LENGTH sets the maximum number of events that can
+ * be queued for processing at any one time.  The event queue must be a minimum of
+ * 5 greater than the total number of network buffers. */
+#define ipconfigEVENT_QUEUE_LENGTH                            ( ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS + 5 )
+
+/* The address of a socket is the combination of its IP address and its port
+ * number.  FreeRTOS_bind() is used to manually allocate a port number to a socket
+ * (to 'bind' the socket to a port), but manual binding is not normally necessary
+ * for client sockets (those sockets that initiate outgoing connections rather than
+ * wait for incoming connections on a known port number).  If
+ * ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND is set to 1 then calling
+ * FreeRTOS_sendto() on a socket that has not yet been bound will result in the IP
+ * stack automatically binding the socket to a port number from the range
+ * socketAUTO_PORT_ALLOCATION_START_NUMBER to 0xffff.  If
+ * ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND is set to 0 then calling FreeRTOS_sendto()
+ * on a socket that has not yet been bound will result in the send operation being
+ * aborted. */
+#define ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND                1
+
+/* Defines the Time To Live (TTL) values used in outgoing UDP packets. */
+#define ipconfigUDP_TIME_TO_LIVE                              128
+#define ipconfigTCP_TIME_TO_LIVE                              128 /* also defined in FreeRTOSIPConfigDefaults.h */
+
+/* USE_TCP: Use TCP and all its features */
+#define ipconfigUSE_TCP                                       ( 1 )
+
+/* Use the TCP socket wake context with a callback. */
+#define ipconfigSOCKET_HAS_USER_WAKE_CALLBACK_WITH_CONTEXT    ( 1 )
+
+/* USE_WIN: Let TCP use windowing mechanism. */
+#define ipconfigUSE_TCP_WIN                                   ( 1 )
+
+/* The MTU is the maximum number of bytes the payload of a network frame can
+ * contain.  For normal Ethernet V2 frames the maximum MTU is 1500.  Setting a
+ * lower value can save RAM, depending on the buffer management scheme used.  If
+ * ipconfigCAN_FRAGMENT_OUTGOING_PACKETS is 1 then (ipconfigNETWORK_MTU - 28) must
+ * be divisible by 8. */
+#define ipconfigNETWORK_MTU                                   1200
+
+/* Set ipconfigUSE_DNS to 1 to include a basic DNS client/resolver.  DNS is used
+ * through the FreeRTOS_gethostbyname() API function. */
+#define ipconfigUSE_DNS                                       1
+
+/* If ipconfigREPLY_TO_INCOMING_PINGS is set to 1 then the IP stack will
+ * generate replies to incoming ICMP echo (ping) requests. */
+#define ipconfigREPLY_TO_INCOMING_PINGS                       1
+
+/* If ipconfigSUPPORT_OUTGOING_PINGS is set to 1 then the
+ * FreeRTOS_SendPingRequest() API function is available. */
+#define ipconfigSUPPORT_OUTGOING_PINGS                        0
+
+/* If ipconfigSUPPORT_SELECT_FUNCTION is set to 1 then the FreeRTOS_select()
+ * (and associated) API function is available. */
+#define ipconfigSUPPORT_SELECT_FUNCTION                       1
+
+/* If ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES is set to 1 then Ethernet frames
+ * that are not in Ethernet II format will be dropped.  This option is included for
+ * potential future IP stack developments. */
+#define ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES             1
+
+/* If ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES is set to 1 then it is the
+ * responsibility of the Ethernet interface to filter out packets that are of no
+ * interest.  If the Ethernet interface does not implement this functionality, then
+ * set ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES to 0 to have the IP stack
+ * perform the filtering instead (it is much less efficient for the stack to do it
+ * because the packet will already have been passed into the stack).  If the
+ * Ethernet driver does all the necessary filtering in hardware then software
+ * filtering can be removed by using a value other than 1 or 0. */
+#define ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES           1
+
+/* The windows simulator cannot really simulate MAC interrupts, and needs to
+ * block occasionally to allow other tasks to run. */
+#define configWINDOWS_MAC_INTERRUPT_SIMULATOR_DELAY           ( 20 / portTICK_PERIOD_MS )
+
+/* Advanced only: in order to access 32-bit fields in the IP packets with
+ * 32-bit memory instructions, all packets will be stored 32-bit-aligned, plus 16-bits.
+ * This has to do with the contents of the IP-packets: all 32-bit fields are
+ * 32-bit-aligned, plus 16-bit(!) */
+#define ipconfigPACKET_FILLER_SIZE                            2
+
+/* Define the size of the pool of TCP window descriptors.  On the average, each
+ * TCP socket will use up to 2 x 6 descriptors, meaning that it can have 2 x 6
+ * outstanding packets (for Rx and Tx).  When using up to 10 TP sockets
+ * simultaneously, one could define TCP_WIN_SEG_COUNT as 120. */
+#define ipconfigTCP_WIN_SEG_COUNT                             240
+
+/* Each TCP socket has a circular buffers for Rx and Tx, which have a fixed
+ * maximum size.  Define the size of Rx buffer for TCP sockets. */
+#define ipconfigTCP_RX_BUFFER_LENGTH                          ( 5000 )
+
+/* Define the size of Tx buffer for TCP sockets. */
+#define ipconfigTCP_TX_BUFFER_LENGTH                          ( 1000 )
+
+/* When using call-back handlers, the driver may check if the handler points to
+ * real program memory (RAM or flash) or just has a random non-zero value. */
+#define ipconfigIS_VALID_PROG_ADDRESS( x )    ( ( x ) != NULL )
+
+/* Include support for TCP hang protection.  All sockets in a connecting or
+ * disconnecting stage will timeout after a period of non-activity. */
+#define ipconfigTCP_HANG_PROTECTION         ( 1 )
+#define ipconfigTCP_HANG_PROTECTION_TIME    ( 30 )
+
+/* Include support for TCP keep-alive messages. */
+#define ipconfigTCP_KEEP_ALIVE              ( 1 )
+#define ipconfigTCP_KEEP_ALIVE_INTERVAL     ( 20 ) /* in seconds */
+
+#define portINLINE                          __inline
+
+#endif /* FREERTOS_IP_CONFIG_H */

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+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\coreMQTT-Agent\source\include\core_mqtt_agent_message_interface.h" />
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\coreMQTT\source\include\core_mqtt_config_defaults.h" />
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\network_transport\sockets_wrapper\freertos_plus_tcp\sockets_wrapper.h" />
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\network_transport\using_mbedtls\using_mbedtls\using_mbedtls.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\dependency\3rdparty\tinycbor\src\cbor.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\dependency\3rdparty\tinycbor\src\cborinternal_p.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\dependency\3rdparty\tinycbor\src\cborjson.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\dependency\3rdparty\tinycbor\src\compilersupport_p.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\dependency\3rdparty\tinycbor\src\tinycbor-version.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\dependency\3rdparty\tinycbor\src\utf8_p.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_appversion32.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_base64_private.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_cbor_private.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_config_defaults.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_http_interface.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_http_private.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_interface_private.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_mqtt_interface.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_mqtt_private.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_os_interface.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_platform_interface.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_private.h" />
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\portable\os\ota_os_freertos.h" />
+    <ClInclude Include="..\..\..\..\Source\coreJSON\source\include\core_json.h" />
+    <ClInclude Include="..\..\..\..\Source\FreeRTOS-Plus-TCP\include\FreeRTOS_errno_TCP.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\error.h" />
+    <ClInclude Include="..\..\..\..\Source\Utilities\mbedtls_freertos\threading_alt.h" />
+    <ClInclude Include="..\..\..\..\Source\Utilities\backoff_algorithm\source\include\backoff_algorithm.h" />
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\coreMQTT\source\interface\transport_interface.h" />
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\coreMQTT\source\include\core_mqtt_serializer.h" />
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\coreMQTT\source\include\core_mqtt_state.h" />
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\coreMQTT\source\include\core_mqtt.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\aes.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\aesni.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\arc4.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\aria.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\asn1.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\asn1write.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\base64.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\bignum.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\blowfish.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\bn_mul.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\camellia.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ccm.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\certs.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\chacha20.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\chachapoly.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\check_config.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\cipher.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\cipher_internal.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\cmac.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\compat-1.3.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\config.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ctr_drbg.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\debug.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\des.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\dhm.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ecdh.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ecdsa.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ecjpake.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ecp.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ecp_internal.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\entropy.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\entropy_poll.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\error.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\gcm.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\havege.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\hkdf.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\hmac_drbg.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\md.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\md2.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\md4.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\md5.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\md_internal.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\memory_buffer_alloc.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\net.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\net_sockets.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\nist_kw.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\oid.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\padlock.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\pem.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\pk.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\pkcs11.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\pkcs12.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\pkcs5.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\pk_internal.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\platform.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\platform_time.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\platform_util.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\poly1305.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\psa_util.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ripemd160.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\rsa.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\rsa_internal.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\sha1.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\sha256.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\sha512.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_cache.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_ciphersuites.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_cookie.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_internal.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_ticket.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\threading.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\timing.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\version.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\x509.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\x509_crl.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\x509_crt.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\x509_csr.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\xtea.h" />
+    <ClInclude Include="..\..\..\Common\coreMQTT_Agent_Interface\include\freertos_agent_message.h" />
+    <ClInclude Include="..\..\..\Common\coreMQTT_Agent_Interface\include\freertos_command_pool.h" />
+    <ClInclude Include="..\Common\HTTP_Utils\http_demo_utils.h" />
+    <ClInclude Include="..\Common\Ota_PAL\Win32\Code_Signature_Verification\aws_ota_codesigner_certificate.h" />
+    <ClInclude Include="..\Common\Ota_PAL\Win32\Code_Signature_Verification\code_signature_verification.h" />
+    <ClInclude Include="..\Common\Ota_PAL\Win32\ota_pal.h" />
+    <ClInclude Include="..\Common\subscription-manager\subscription_manager.h" />
+    <ClInclude Include="core_http_config.h" />
+    <ClInclude Include="mbedtls_config.h" />
+    <ClInclude Include="demo_config.h" />
+    <ClInclude Include="FreeRTOSConfig.h" />
+    <ClInclude Include="FreeRTOSIPConfig.h" />
+    <ClInclude Include="core_mqtt_config.h" />
+    <ClInclude Include="ota_config.h" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Http_Demo/core_http_config.h

@@ -0,0 +1,57 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef CORE_HTTP_CONFIG_H_
+#define CORE_HTTP_CONFIG_H_
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Logging config definition and header files inclusion are required in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define the LIBRARY_LOG_NAME and LIBRARY_LOG_LEVEL macros depending on
+ * the logging configuration for HTTP.
+ * 3. Include the header file "logging_stack.h", if logging is enabled for HTTP.
+ */
+
+#include "logging_levels.h"
+
+/* Logging configuration for the HTTP library. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME    "HTTP"
+#endif
+
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_INFO
+#endif
+
+#include "logging_stack.h"
+
+
+/************ End of logging configuration ****************/
+
+#endif /* ifndef CORE_HTTP_CONFIG_H_ */

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Http_Demo/core_mqtt_config.h

@@ -0,0 +1,109 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+ 
+#ifndef CORE_MQTT_CONFIG_H
+#define CORE_MQTT_CONFIG_H
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Include logging header files and define logging macros in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define the LIBRARY_LOG_NAME and LIBRARY_LOG_LEVEL macros depending on
+ * the logging configuration for MQTT.
+ * 3. Include the header file "logging_stack.h", if logging is enabled for MQTT.
+ */
+
+#include "logging_levels.h"
+
+/* Logging configuration for the MQTT library. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME    "MQTT"
+#endif
+
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_ERROR
+#endif
+
+/* Prototype for the function used to print to console on Windows simulator
+ * of FreeRTOS.
+ * The function prints to the console before the network is connected;
+ * then a UDP port after the network has connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Map the SdkLog macro to the logging function to enable logging
+ * on Windows simulator. */
+#ifndef SdkLog
+    #define SdkLog( message )    vLoggingPrintf message
+#endif
+#include "logging_stack.h"
+/************ End of logging configuration ****************/
+
+/**
+ * @brief The maximum number of MQTT PUBLISH messages that may be pending
+ * acknowledgement at any time.
+ *
+ * QoS 1 and 2 MQTT PUBLISHes require acknowledgment from the server before
+ * they can be completed. While they are awaiting the acknowledgment, the
+ * client must maintain information about their state. The value of this
+ * macro sets the limit on how many simultaneous PUBLISH states an MQTT
+ * context maintains.
+ */
+#define MQTT_STATE_ARRAY_MAX_COUNT    10U
+
+ /*********************** coreMQTT Agent Configurations **********************/
+ /**
+  * @brief The maximum number of pending acknowledgments to track for a single
+  * connection.
+  *
+  * @note The MQTT agent tracks MQTT commands (such as PUBLISH and SUBSCRIBE) th
+  * at are still waiting to be acknowledged.  MQTT_AGENT_MAX_OUTSTANDING_ACKS set
+  * the maximum number of acknowledgments that can be outstanding at any one time.
+  * The higher this number is the greater the agent's RAM consumption will be.
+  */
+#define MQTT_AGENT_MAX_OUTSTANDING_ACKS         ( 20U )
+
+  /**
+   * @brief Time in MS that the MQTT agent task will wait in the Blocked state (so
+   * not using any CPU time) for a command to arrive in its command queue before
+   * exiting the blocked state so it can call MQTT_ProcessLoop().
+   *
+   * @note It is important MQTT_ProcessLoop() is called often if there is known
+   * MQTT traffic, but calling it too often can take processing time away from
+   * lower priority tasks and waste CPU time and power.
+   */
+#define MQTT_AGENT_MAX_EVENT_QUEUE_WAIT_TIME    ( 1000 )
+
+   /**
+    * @brief The number of command structures to allocate in the pool
+    * for the agent.
+    */
+#define MQTT_COMMAND_CONTEXTS_POOL_SIZE         10
+
+
+#endif /* ifndef CORE_MQTT_CONFIG_H */

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Http_Demo/core_pkcs11_config.h

@@ -0,0 +1,187 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/**
+ * @file core_pkcs11_config.h
+ * @brief PCKS#11 config options.
+ */
+
+
+#ifndef _CORE_PKCS11_CONFIG_H_
+#define _CORE_PKCS11_CONFIG_H_
+
+#include "FreeRTOS.h"
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Include logging header files and define logging macros in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define the LIBRARY_LOG_NAME and LIBRARY_LOG_LEVEL macros depending on
+ * the logging configuration for PKCS #11.
+ * 3. Include the header file "logging_stack.h", if logging is enabled for PKCS #11.
+ */
+
+#include "logging_levels.h"
+
+/* Logging configuration for the PKCS #11 library. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME    "PKCS11"
+#endif
+
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_ERROR
+#endif
+
+/* Prototype for the function used to print to console on Windows simulator
+ * of FreeRTOS.
+ * The function prints to the console before the network is connected;
+ * then a UDP port after the network has connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Map the SdkLog macro to the logging function to enable logging
+ * on Windows simulator. */
+#ifndef SdkLog
+    #define SdkLog( message )    vLoggingPrintf message
+#endif
+
+#include "logging_stack.h"
+
+/**
+ * @brief Malloc API used by core_pkcs11.h
+ */
+#define PKCS11_MALLOC                                      pvPortMalloc
+
+/**
+ * @brief Free API used by core_pkcs11.h
+ */
+#define PKCS11_FREE                                        vPortFree
+
+/**
+ * @brief PKCS #11 default user PIN.
+ *
+ * The PKCS #11 standard specifies the presence of a user PIN. That feature is
+ * sensible for applications that have an interactive user interface and memory
+ * protections. However, since typical microcontroller applications lack one or
+ * both of those, the user PIN is assumed to be used herein for interoperability
+ * purposes only, and not as a security feature.
+ *
+ * Note: Do not cast this to a pointer! The library calls sizeof to get the length
+ * of this string.
+ */
+#define configPKCS11_DEFAULT_USER_PIN                      "0000"
+
+/**
+ * @brief Maximum length (in characters) for a PKCS #11 CKA_LABEL
+ * attribute.
+ */
+#define pkcs11configMAX_LABEL_LENGTH                       32
+
+/**
+ * @brief Maximum number of token objects that can be stored
+ * by the PKCS #11 module.
+ */
+#define pkcs11configMAX_NUM_OBJECTS                        6
+
+/**
+ * @brief Maximum number of sessions that can be stored
+ * by the PKCS #11 module.
+ */
+#define pkcs11configMAX_SESSIONS                           10
+
+/**
+ * @brief Set to 1 if a PAL destroy object is implemented.
+ *
+ * If set to 0, no PAL destroy object is implemented, and this functionality
+ * is implemented in the common PKCS #11 layer.
+ */
+#define pkcs11configPAL_DESTROY_SUPPORTED                  0
+
+/**
+ * @brief Set to 1 if OTA image verification via PKCS #11 module is supported.
+ *
+ * If set to 0, OTA code signing certificate is built in via
+ * aws_ota_codesigner_certificate.h.
+ */
+#define pkcs11configOTA_SUPPORTED                          0
+
+/**
+ * @brief Set to 1 if PAL supports storage for JITP certificate,
+ * code verify certificate, and trusted server root certificate.
+ *
+ * If set to 0, PAL does not support storage mechanism for these, and
+ * they are accessed via headers compiled into the code.
+ */
+#define pkcs11configJITP_CODEVERIFY_ROOT_CERT_SUPPORTED    0
+
+/**
+ * @brief The PKCS #11 label for device private key.
+ *
+ * Private key for connection to AWS IoT endpoint.  The corresponding
+ * public key should be registered with the AWS IoT endpoint.
+ */
+#define pkcs11configLABEL_DEVICE_PRIVATE_KEY_FOR_TLS       "Device Priv TLS Key"
+
+/**
+ * @brief The PKCS #11 label for device public key.
+ *
+ * The public key corresponding to pkcs11configLABEL_DEVICE_PRIVATE_KEY_FOR_TLS.
+ */
+#define pkcs11configLABEL_DEVICE_PUBLIC_KEY_FOR_TLS        "Device Pub TLS Key"
+
+/**
+ * @brief The PKCS #11 label for the device certificate.
+ *
+ * Device certificate corresponding to pkcs11configLABEL_DEVICE_PRIVATE_KEY_FOR_TLS.
+ */
+#define pkcs11configLABEL_DEVICE_CERTIFICATE_FOR_TLS       "Device Cert"
+
+/**
+ * @brief The PKCS #11 label for the object to be used for code verification.
+ *
+ * Used by over-the-air update code to verify an incoming signed image.
+ */
+#define pkcs11configLABEL_CODE_VERIFICATION_KEY            "Code Verify Key"
+
+/**
+ * @brief The PKCS #11 label for Just-In-Time-Provisioning.
+ *
+ * The certificate corresponding to the issuer of the device certificate
+ * (pkcs11configLABEL_DEVICE_CERTIFICATE_FOR_TLS) when using the JITR or
+ * JITP flow.
+ */
+#define pkcs11configLABEL_JITP_CERTIFICATE                 "JITP Cert"
+
+/**
+ * @brief The PKCS #11 label for the AWS Trusted Root Certificate.
+ *
+ * @see aws_default_root_certificates.h
+ */
+#define pkcs11configLABEL_ROOT_CERTIFICATE                 "Root Cert"
+
+#endif /* _CORE_PKCS11_CONFIG_H_ */

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Http_Demo/demo_config.h

@@ -0,0 +1,464 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef DEMO_CONFIG_H
+#define DEMO_CONFIG_H
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Include logging header files and define logging macros in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define the LIBRARY_LOG_NAME and LIBRARY_LOG_LEVEL macros depending on
+ * the logging configuration for DEMO.
+ * 3. Include the header file "logging_stack.h", if logging is enabled for DEMO.
+ */
+
+#include "logging_levels.h"
+
+/* Logging configuration for the Demo. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME    "OTADemo"
+#endif
+
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_DEBUG
+#endif
+
+/* Prototype for the function used to print to console on Windows simulator
+ * of FreeRTOS.
+ * The function prints to the console before the network is connected;
+ * then a UDP port after the network has connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                             ... );
+
+/* Map the SdkLog macro to the logging function to enable logging
+ * on Windows simulator. */
+#ifndef SdkLog
+    #define SdkLog( message )    vLoggingPrintf message
+#endif
+
+#include "logging_stack.h"
+
+/************ End of logging configuration ****************/
+
+/**
+ * @brief The version for the firmware which is running. OTA agent uses this
+ * version number to perform anti-rollback validation. The firmware version for the
+ * download image should be higher than the current version, otherwise the new image is
+ * rejected in self test phase.
+ */
+#define APP_VERSION_MAJOR                     0
+#define APP_VERSION_MINOR                     9
+#define APP_VERSION_BUILD                     2
+
+/**
+ * @brief The MQTT client identifier used in this example.  Each client identifier
+ * must be unique so edit as required to ensure no two clients connecting to the
+ * same broker use the same client identifier.
+ *
+ *!!! Please note a #defined constant is used for convenience of demonstration
+ *!!! only.  Production devices can use something unique to the device that can
+ *!!! be read by software, such as a production serial number, instead of a
+ *!!! hard coded constant.
+ *
+ * #define democonfigCLIENT_IDENTIFIER              "...insert here..."
+ */
+#define democonfigCLIENT_IDENTIFIER              "...insert here..."
+
+/**
+ * @brief Endpoint of the MQTT broker to connect to.
+ *
+ * This demo application can be run with any MQTT broker, although it is
+ * recommended to use one that supports mutual authentication. If mutual
+ * authentication is not used, then #democonfigUSE_TLS should be set to 0.
+ *
+ * For AWS IoT MQTT broker, this is the Thing's REST API Endpoint.
+ *
+ * @note Your AWS IoT Core endpoint can be found in the AWS IoT console under
+ * Settings/Custom Endpoint, or using the describe-endpoint REST API (with
+ * AWS CLI command line tool).
+ *
+ * #define democonfigMQTT_BROKER_ENDPOINT           "...insert here..."
+ */
+#define democonfigMQTT_BROKER_ENDPOINT           "...insert here..."
+
+/**
+ * @brief The port to use for the demo.
+ *
+ * In general, port 8883 is for secured MQTT connections, and port 1883 if not
+ * using TLS.
+ *
+ * @note Port 443 requires use of the ALPN TLS extension with the ALPN protocol
+ * name. Using ALPN with this demo would require additional changes, including
+ * setting the `pAlpnProtos` member of the `NetworkCredentials_t` struct before
+ * forming the TLS connection. When using port 8883, ALPN is not required.
+ *
+ * #define democonfigMQTT_BROKER_PORT    ( insert here. )
+ */
+#define democonfigMQTT_BROKER_PORT        ( 8883 )
+
+/**
+ * @brief Server's root CA certificate.
+ *
+ * For AWS IoT MQTT broker, this certificate is used to identify the AWS IoT
+ * server and is publicly available. Refer to the AWS documentation available
+ * in the link below.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/server-authentication.html#server-authentication-certs
+ *
+ * @note This certificate should be PEM-encoded.
+ *
+ * @note If you would like to setup an MQTT broker for running this demo,
+ * please see `mqtt_broker_setup.txt`.
+ *
+ * Must include the PEM header and footer:
+ * "-----BEGIN CERTIFICATE-----\n"\
+ * "...base64 data...\n"\
+ * "-----END CERTIFICATE-----\n"
+ *
+ * #define democonfigROOT_CA_PEM    "...insert here..."
+ */
+
+
+/**
+ * @brief Client certificate.
+ *
+ * For AWS IoT MQTT broker, refer to the AWS documentation below for details
+ * regarding client authentication.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/client-authentication.html
+ *
+ * @note This certificate should be PEM-encoded.
+ *
+ * Must include the PEM header and footer:
+ * "-----BEGIN CERTIFICATE-----\n"\
+ * "...base64 data...\n"\
+ * "-----END CERTIFICATE-----\n"
+ *
+ * #define democonfigCLIENT_CERTIFICATE_PEM    "...insert here..."
+ */
+
+
+/**
+ * @brief Client's private key.
+ *
+ *!!! Please note pasting a key into the header file in this manner is for
+ *!!! convenience of demonstration only and should not be done in production.
+ *!!! Never paste a production private key here!.  Production devices should
+ *!!! store keys securely, such as within a secure element.  Additionally,
+ *!!! we provide the corePKCS library that further enhances security by
+ *!!! enabling securely stored keys to be used without exposing them to
+ *!!! software.
+ *
+ * For AWS IoT MQTT broker, refer to the AWS documentation below for details
+ * regarding clientauthentication.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/client-authentication.html
+ *
+ * @note This private key should be PEM-encoded.
+ *
+ * Must include the PEM header and footer:
+ * "-----BEGIN RSA PRIVATE KEY-----\n"\
+ * "...base64 data...\n"\
+ * "-----END RSA PRIVATE KEY-----\n"
+ *
+ * #define democonfigCLIENT_PRIVATE_KEY_PEM    "...insert here..."
+ */
+
+/*
+ * @brief Server's root CA certificate for TLS authentication with S3.
+ *
+ * The Baltimore Cybertrust Root CA Certificate is defined below.
+ *
+ * @note This certificate should be PEM-encoded.
+ *
+ * Must include the PEM header and footer:
+ * "-----BEGIN CERTIFICATE-----\n"\
+ * "...base64 data...\n"\
+ * "-----END CERTIFICATE-----\n"
+ *
+ */
+
+#ifndef democonfigHTTPS_ROOT_CA_PEM
+    #define democonfigHTTPS_ROOT_CA_PEM                                  \
+    "-----BEGIN CERTIFICATE-----\n"                                      \
+    "MIIDdzCCAl+gAwIBAgIEAgAAuTANBgkqhkiG9w0BAQUFADBaMQswCQYDVQQGEwJJ\n" \
+    "RTESMBAGA1UEChMJQmFsdGltb3JlMRMwEQYDVQQLEwpDeWJlclRydXN0MSIwIAYD\n" \
+    "VQQDExlCYWx0aW1vcmUgQ3liZXJUcnVzdCBSb290MB4XDTAwMDUxMjE4NDYwMFoX\n" \
+    "DTI1MDUxMjIzNTkwMFowWjELMAkGA1UEBhMCSUUxEjAQBgNVBAoTCUJhbHRpbW9y\n" \
+    "ZTETMBEGA1UECxMKQ3liZXJUcnVzdDEiMCAGA1UEAxMZQmFsdGltb3JlIEN5YmVy\n" \
+    "VHJ1c3QgUm9vdDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKMEuyKr\n" \
+    "mD1X6CZymrV51Cni4eiVgLGw41uOKymaZN+hXe2wCQVt2yguzmKiYv60iNoS6zjr\n" \
+    "IZ3AQSsBUnuId9Mcj8e6uYi1agnnc+gRQKfRzMpijS3ljwumUNKoUMMo6vWrJYeK\n" \
+    "mpYcqWe4PwzV9/lSEy/CG9VwcPCPwBLKBsua4dnKM3p31vjsufFoREJIE9LAwqSu\n" \
+    "XmD+tqYF/LTdB1kC1FkYmGP1pWPgkAx9XbIGevOF6uvUA65ehD5f/xXtabz5OTZy\n" \
+    "dc93Uk3zyZAsuT3lySNTPx8kmCFcB5kpvcY67Oduhjprl3RjM71oGDHweI12v/ye\n" \
+    "jl0qhqdNkNwnGjkCAwEAAaNFMEMwHQYDVR0OBBYEFOWdWTCCR1jMrPoIVDaGezq1\n" \
+    "BE3wMBIGA1UdEwEB/wQIMAYBAf8CAQMwDgYDVR0PAQH/BAQDAgEGMA0GCSqGSIb3\n" \
+    "DQEBBQUAA4IBAQCFDF2O5G9RaEIFoN27TyclhAO992T9Ldcw46QQF+vaKSm2eT92\n" \
+    "9hkTI7gQCvlYpNRhcL0EYWoSihfVCr3FvDB81ukMJY2GQE/szKN+OMY3EU/t3Wgx\n" \
+    "jkzSswF07r51XgdIGn9w/xZchMB5hbgF/X++ZRGjD8ACtPhSNzkE1akxehi/oCr0\n" \
+    "Epn3o0WC4zxe9Z2etciefC7IpJ5OCBRLbf1wbWsaY71k5h+3zvDyny67G7fyUIhz\n" \
+    "ksLi4xaNmjICq44Y3ekQEe5+NauQrz4wlHrQMz2nZQ/1/I6eYs9HRCwBXbsdtTLS\n" \
+    "R9I4LtD+gdwyah617jzV/OeBHRnDJELqYzmp\n"                             \
+    "-----END CERTIFICATE-----\n"
+#endif /* ifndef democonfigHTTPS_ROOT_CA_PEM */
+
+ /**
+  * @brief AWS IoT Core server port number for HTTPS connections.
+  *
+  * For this demo, an X.509 certificate is used to verify the client.
+  *
+  * @note Port 443 requires use of the ALPN TLS extension with the ALPN protocol
+  * name being x-amzn-http-ca. When using port 8443, ALPN is not required.
+  */
+#define democonfigHTTPS_PORT    443
+
+/**
+ * @brief An option to disable Server Name Indication.
+ *
+ * @note When using a local Mosquitto server setup, SNI needs to be disabled
+ * for an MQTT broker that only has an IP address but no hostname. However,
+ * SNI should be enabled whenever possible.
+ */
+#define democonfigDISABLE_SNI                ( pdFALSE )
+
+/**
+ * @brief Configuration that indicates if the demo connection is made to the AWS IoT Core MQTT broker.
+ *
+ * If username/password based authentication is used, the demo will use appropriate TLS ALPN and
+ * SNI configurations as required for the Custom Authentication feature of AWS IoT.
+ * For more information, refer to the following documentation:
+ * https://docs.aws.amazon.com/iot/latest/developerguide/custom-auth.html#custom-auth-mqtt
+ *
+ * #define democonfigUSE_AWS_IOT_CORE_BROKER    ( 1 )
+ */
+#define democonfigUSE_AWS_IOT_CORE_BROKER    ( 1 )
+
+/**
+ * @brief The username value for authenticating client to the MQTT broker when
+ * username/password based client authentication is used.
+ *
+ * For AWS IoT MQTT broker, refer to the AWS IoT documentation below for
+ * details regarding client authentication with a username and password.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
+ * An authorizer setup needs to be done, as mentioned in the above link, to use
+ * username/password based client authentication.
+ *
+ * #define democonfigCLIENT_USERNAME    "...insert here..."
+ */
+
+/**
+ * @brief The password value for authenticating client to the MQTT broker when
+ * username/password based client authentication is used.
+ *
+ * For AWS IoT MQTT broker, refer to the AWS IoT documentation below for
+ * details regarding client authentication with a username and password.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
+ * An authorizer setup needs to be done, as mentioned in the above link, to use
+ * username/password based client authentication.
+ *
+ * #define democonfigCLIENT_PASSWORD    "...insert here..."
+ */
+
+/**
+ * @brief The name of the operating system that the application is running on.
+ * The current value is given as an example. Please update for your specific
+ * operating system.
+ */
+#define democonfigOS_NAME                   "FreeRTOS"
+
+/**
+ * @brief The version of the operating system that the application is running
+ * on. The current value is given as an example. Please update for your specific
+ * operating system version.
+ */
+#define democonfigOS_VERSION                tskKERNEL_VERSION_NUMBER
+
+/**
+ * @brief The name of the hardware platform the application is running on. The
+ * current value is given as an example. Please update for your specific
+ * hardware platform.
+ */
+#define democonfigHARDWARE_PLATFORM_NAME    "WinSim"
+
+/**
+ * @brief The name of the MQTT library used and its version, following an "@"
+ * symbol.
+ */
+#define democonfigMQTT_LIB                  "core-mqtt@1.0.0"
+
+/**
+ * @brief Whether to use mutual authentication. If this macro is not set to 1
+ * or not defined, then plaintext TCP will be used instead of TLS over TCP.
+ */
+#define democonfigUSE_TLS                   1
+
+/**
+ * @brief Set the stack size of the main demo task.
+ *
+ * In the Windows port, this stack only holds a structure. The actual
+ * stack is created by an operating system thread.
+ */
+#define democonfigDEMO_STACKSIZE            configMINIMAL_STACK_SIZE
+
+/**********************************************************************************
+* Error checks and derived values only below here - do not edit below here. -----*
+**********************************************************************************/
+
+
+/* Compile time error for some undefined configs, and provide default values
+ * for others. */
+#ifndef democonfigMQTT_BROKER_ENDPOINT
+    #error "Please define democonfigMQTT_BROKER_ENDPOINT in demo_config.h."
+#endif
+
+#ifndef democonfigCLIENT_IDENTIFIER
+
+/**
+ * @brief The MQTT client identifier used in this example.  Each client identifier
+ * must be unique so edit as required to ensure no two clients connecting to the
+ * same broker use the same client identifier.  Using a #define is for convenience
+ * of demonstration only - production devices should use something unique to the
+ * device that can be read from software - such as a production serial number.
+ */
+    #error  "Please define democonfigCLIENT_IDENTIFIER in demo_config.h to something unique for this device."
+#endif
+
+
+#if defined( democonfigUSE_TLS ) && ( democonfigUSE_TLS == 1 )
+    #ifndef democonfigROOT_CA_PEM
+        #error "Please define Root CA certificate of the MQTT broker(democonfigROOT_CA_PEM) in demo_config.h."
+    #endif
+
+/* If no username is defined, then a client certificate/key is required. */
+    #ifndef democonfigCLIENT_USERNAME
+
+/*
+ *!!! Please note democonfigCLIENT_PRIVATE_KEY_PEM in used for
+ *!!! convenience of demonstration only.  Production devices should
+ *!!! store keys securely, such as within a secure element.
+ */
+
+        #ifndef democonfigCLIENT_CERTIFICATE_PEM
+            #error "Please define client certificate(democonfigCLIENT_CERTIFICATE_PEM) in demo_config.h."
+        #endif
+        #ifndef democonfigCLIENT_PRIVATE_KEY_PEM
+            #error "Please define client private key(democonfigCLIENT_PRIVATE_KEY_PEM) in demo_config.h."
+        #endif
+    #else
+
+/* If a username is defined, a client password also would need to be defined for
+ * client authentication. */
+        #ifndef democonfigCLIENT_PASSWORD
+            #error "Please define client password(democonfigCLIENT_PASSWORD) in demo_config.h for client authentication based on username/password."
+        #endif
+
+/* AWS IoT MQTT broker port needs to be 443 for client authentication based on
+ * username/password. */
+        #if defined( democonfigUSE_AWS_IOT_CORE_BROKER ) && democonfigMQTT_BROKER_PORT != 443
+            #error "Broker port(democonfigMQTT_BROKER_PORT) should be defined as 443 in demo_config.h for client authentication based on username/password in AWS IoT Core."
+        #endif
+    #endif /* ifndef democonfigCLIENT_USERNAME */
+
+    #ifndef democonfigMQTT_BROKER_PORT
+        #define democonfigMQTT_BROKER_PORT    ( 8883 )
+    #endif
+#else /* if defined( democonfigUSE_TLS ) && ( democonfigUSE_TLS == 1 ) */
+    #ifndef democonfigMQTT_BROKER_PORT
+        #define democonfigMQTT_BROKER_PORT    ( 1883 )
+    #endif
+#endif /* if defined( democonfigUSE_TLS ) && ( democonfigUSE_TLS == 1 ) */
+
+/**
+ * @brief ALPN (Application-Layer Protocol Negotiation) protocol name for AWS IoT MQTT.
+ *
+ * This will be used if democonfigMQTT_BROKER_PORT is configured as 443 for the AWS IoT MQTT broker.
+ * Please see more details about the ALPN protocol for AWS IoT MQTT endpoint
+ * in the link below.
+ * https://aws.amazon.com/blogs/iot/mqtt-with-tls-client-authentication-on-port-443-why-it-is-useful-and-how-it-works/
+ */
+#define AWS_IOT_MQTT_ALPN           "\x0ex-amzn-mqtt-ca"
+
+/**
+ * @brief This is the ALPN (Application-Layer Protocol Negotiation) string
+ * required by AWS IoT for password-based authentication using TCP port 443.
+ */
+#define AWS_IOT_CUSTOM_AUTH_ALPN    "\x04mqtt"
+
+/**
+ * Provide default values for undefined configuration settings.
+ */
+#ifndef democonfigOS_NAME
+    #define democonfigOS_NAME    "FreeRTOS"
+#endif
+
+#ifndef democonfigOS_VERSION
+    #define democonfigOS_VERSION    tskKERNEL_VERSION_NUMBER
+#endif
+
+#ifndef democonfigHARDWARE_PLATFORM_NAME
+    #define democonfigHARDWARE_PLATFORM_NAME    "WinSim"
+#endif
+
+#ifndef democonfigMQTT_LIB
+    #define democonfigMQTT_LIB    "core-mqtt@1.0.0"
+#endif
+
+/**
+ * @brief The MQTT metrics string expected by AWS IoT.
+ */
+#define AWS_IOT_METRICS_STRING                                 \
+    "?SDK=" democonfigOS_NAME "&Version=" democonfigOS_VERSION \
+    "&Platform=" democonfigHARDWARE_PLATFORM_NAME "&MQTTLib=" democonfigMQTT_LIB
+
+/**
+ * @brief The length of the MQTT metrics string expected by AWS IoT.
+ */
+#define AWS_IOT_METRICS_STRING_LENGTH    ( ( uint16_t ) ( sizeof( AWS_IOT_METRICS_STRING ) - 1 ) )
+
+#ifdef democonfigCLIENT_USERNAME
+
+/**
+ * @brief Append the username with the metrics string if #democonfigCLIENT_USERNAME is defined.
+ *
+ * This is to support both metrics reporting and username/password based client
+ * authentication by AWS IoT.
+ */
+    #define CLIENT_USERNAME_WITH_METRICS    democonfigCLIENT_USERNAME AWS_IOT_METRICS_STRING
+#endif
+
+/**
+ * @brief Length of client identifier.
+ */
+#define democonfigCLIENT_IDENTIFIER_LENGTH    ( ( uint16_t ) ( sizeof( democonfigCLIENT_IDENTIFIER ) - 1 ) )
+
+/**
+ * @brief Length of MQTT server host name.
+ */
+#define democonfigBROKER_ENDPOINT_LENGTH      ( ( uint16_t ) ( sizeof( democonfigMQTT_BROKER_ENDPOINT ) - 1 ) )
+
+
+#endif /* DEMO_CONFIG_H */

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Http_Demo/main.c

@@ -0,0 +1,375 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+/***
+ * See https://www.FreeRTOS.org/coremqtt for configuration and usage instructions.
+ ***/
+
+/* Standard includes. */
+#include <stdio.h>
+#include <time.h>
+
+/* Visual studio intrinsics used so the __debugbreak() function is available
+ * should an assert get hit. */
+#include <intrin.h>
+
+/* FreeRTOS includes. */
+#include <FreeRTOS.h>
+#include "task.h"
+
+/* TCP/IP stack includes. */
+#include "FreeRTOS_IP.h"
+#include "FreeRTOS_Sockets.h"
+
+/* Demo logging includes. */
+#include "logging.h"
+
+/* Demo Specific configs. */
+#include "demo_config.h"
+
+
+/*
+ * Prototypes for the demos that can be started from this project.  Note the
+ * Ota demo is not actually started until the network is already, which is
+ * indicated by vApplicationIPNetworkEventHook() executing - hence
+ * vStartOtaDemo() is called from inside vApplicationIPNetworkEventHook().
+ */
+extern void vStartOtaDemo( void );
+
+/*
+ * Just seeds the simple pseudo random number generator.
+ *
+ * !!! NOTE !!!
+ * This is not a secure method of generating random numbers and production
+ * devices should use a true random number generator (TRNG).
+ */
+static void prvSRand( UBaseType_t ulSeed );
+
+/*
+ * Miscellaneous initialization including preparing the logging and seeding the
+ * random number generator.
+ */
+static void prvMiscInitialisation( void );
+
+/* The default IP and MAC address used by the demo.  The address configuration
+ * defined here will be used if ipconfigUSE_DHCP is 0, or if ipconfigUSE_DHCP is
+ * 1 but a DHCP server could not be contacted.  See the online documentation for
+ * more information. */
+static const uint8_t ucIPAddress[ 4 ] = { configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 };
+static const uint8_t ucNetMask[ 4 ] = { configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 };
+static const uint8_t ucGatewayAddress[ 4 ] = { configGATEWAY_ADDR0, configGATEWAY_ADDR1, configGATEWAY_ADDR2, configGATEWAY_ADDR3 };
+static const uint8_t ucDNSServerAddress[ 4 ] = { configDNS_SERVER_ADDR0, configDNS_SERVER_ADDR1, configDNS_SERVER_ADDR2, configDNS_SERVER_ADDR3 };
+
+/* Set the following constant to pdTRUE to log using the method indicated by the
+ * name of the constant, or pdFALSE to not log using the method indicated by the
+ * name of the constant.  Options include to standard out (xLogToStdout), to a disk
+ * file (xLogToFile), and to a UDP port (xLogToUDP).  If xLogToUDP is set to pdTRUE
+ * then UDP messages are sent to the IP address configured as the UDP logging server
+ * address (see the configUDP_LOGGING_ADDR0 definitions in FreeRTOSConfig.h) and
+ * the port number set by configPRINT_PORT in FreeRTOSConfig.h. */
+const BaseType_t xLogToStdout = pdTRUE, xLogToFile = pdFALSE, xLogToUDP = pdFALSE;
+
+/* Default MAC address configuration.  The demo creates a virtual network
+ * connection that uses this MAC address by accessing the raw Ethernet data
+ * to and from a real network connection on the host PC.  See the
+ * configNETWORK_INTERFACE_TO_USE definition for information on how to configure
+ * the real network connection to use. */
+const uint8_t ucMACAddress[ 6 ] = { configMAC_ADDR0, configMAC_ADDR1, configMAC_ADDR2, configMAC_ADDR3, configMAC_ADDR4, configMAC_ADDR5 };
+
+/* Used by the pseudo random number generator. */
+static UBaseType_t ulNextRand;
+/*-----------------------------------------------------------*/
+
+int main( void )
+{
+    /* Miscellaneous initialization including preparing the logging and seeding
+     * the random number generator. */
+    prvMiscInitialisation();
+
+    /* Initialize the network interface.
+     *
+     ***NOTE*** Tasks that use the network are created in the network event hook
+     * when the network is connected and ready for use (see the implementation of
+     * vApplicationIPNetworkEventHook() below).  The address values passed in here
+     * are used if ipconfigUSE_DHCP is set to 0, or if ipconfigUSE_DHCP is set to 1
+     * but a DHCP server cannot be contacted. */
+    FreeRTOS_IPInit( ucIPAddress, ucNetMask, ucGatewayAddress, ucDNSServerAddress, ucMACAddress );
+
+    /* Start the RTOS scheduler. */
+    vTaskStartScheduler();
+
+    /* If all is well, the scheduler will now be running, and the following
+     * line will never be reached.  If the following line does execute, then
+     * there was insufficient FreeRTOS heap memory available for the idle and/or
+     * timer tasks to be created.  See the memory management section on the
+     * FreeRTOS web site for more details (this is standard text that is not
+     * really applicable to the Win32 simulator port). */
+    for( ; ; )
+    {
+        __debugbreak();
+    }
+}
+/*-----------------------------------------------------------*/
+
+/* Called by FreeRTOS+TCP when the network connects or disconnects.  Disconnect
+ * events are only received if implemented in the MAC driver. */
+void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+{
+    uint32_t ulIPAddress, ulNetMask, ulGatewayAddress, ulDNSServerAddress;
+    char cBuffer[ 16 ];
+    static BaseType_t xTasksAlreadyCreated = pdFALSE;
+
+    /* If the network has just come up...*/
+    if( eNetworkEvent == eNetworkUp )
+    {
+        /* Create the tasks that use the IP stack if they have not already been
+         * created. */
+        if( xTasksAlreadyCreated == pdFALSE )
+        {
+            /* Demos that use the network are created after the network is
+             * up. */
+            LogInfo( ( "---------STARTING DEMO---------\r\n" ) );
+            vStartOtaDemo();
+            xTasksAlreadyCreated = pdTRUE;
+        }
+
+        /* Print out the network configuration, which may have come from a DHCP
+         * server. */
+        FreeRTOS_GetAddressConfiguration( &ulIPAddress, &ulNetMask, &ulGatewayAddress, &ulDNSServerAddress );
+        FreeRTOS_inet_ntoa( ulIPAddress, cBuffer );
+        LogInfo( ( "\r\n\r\nIP Address: %s\r\n", cBuffer ) );
+
+        FreeRTOS_inet_ntoa( ulNetMask, cBuffer );
+        LogInfo( ( "Subnet Mask: %s\r\n", cBuffer ) );
+
+        FreeRTOS_inet_ntoa( ulGatewayAddress, cBuffer );
+        LogInfo( ( "Gateway Address: %s\r\n", cBuffer ) );
+
+        FreeRTOS_inet_ntoa( ulDNSServerAddress, cBuffer );
+        LogInfo( ( "DNS Server Address: %s\r\n\r\n\r\n", cBuffer ) );
+    }
+}
+/*-----------------------------------------------------------*/
+
+void vAssertCalled( const char * pcFile,
+                    uint32_t ulLine )
+{
+    volatile uint32_t ulBlockVariable = 0UL;
+    volatile char * pcFileName = ( volatile char * ) pcFile;
+    volatile uint32_t ulLineNumber = ulLine;
+
+    ( void ) pcFileName;
+    ( void ) ulLineNumber;
+
+    printf( "vAssertCalled( %s, %u\n", pcFile, ulLine );
+
+    /* Setting ulBlockVariable to a non-zero value in the debugger will allow
+     * this function to be exited. */
+    taskDISABLE_INTERRUPTS();
+    {
+        while( ulBlockVariable == 0UL )
+        {
+            __debugbreak();
+        }
+    }
+    taskENABLE_INTERRUPTS();
+}
+/*-----------------------------------------------------------*/
+
+UBaseType_t uxRand( void )
+{
+    const uint32_t ulMultiplier = 0x015a4e35UL, ulIncrement = 1UL;
+
+    /*
+     * Utility function to generate a pseudo random number.
+     *
+     * !!!NOTE!!!
+     * This is not a secure method of generating a random number.  Production
+     * devices should use a True Random Number Generator (TRNG).
+     */
+    ulNextRand = ( ulMultiplier * ulNextRand ) + ulIncrement;
+    return( ( int ) ( ulNextRand >> 16UL ) & 0x7fffUL );
+}
+/*-----------------------------------------------------------*/
+
+static void prvSRand( UBaseType_t ulSeed )
+{
+    /* Utility function to seed the pseudo random number generator. */
+    ulNextRand = ulSeed;
+}
+/*-----------------------------------------------------------*/
+
+static void prvMiscInitialisation( void )
+{
+    time_t xTimeNow;
+    uint32_t ulLoggingIPAddress;
+
+    ulLoggingIPAddress = FreeRTOS_inet_addr_quick( configUDP_LOGGING_ADDR0, configUDP_LOGGING_ADDR1, configUDP_LOGGING_ADDR2, configUDP_LOGGING_ADDR3 );
+    vLoggingInit( xLogToStdout, xLogToFile, xLogToUDP, ulLoggingIPAddress, configPRINT_PORT );
+
+    /*
+     * Seed random number generator.
+     *
+     * !!!NOTE!!!
+     * This is not a secure method of generating a random number.  Production
+     * devices should use a True Random Number Generator (TRNG).
+     */
+    time( &xTimeNow );
+    LogDebug( ( "Seed for randomizer: %lu\n", xTimeNow ) );
+    prvSRand( ( uint32_t ) xTimeNow );
+    LogDebug( ( "Random numbers: %08X %08X %08X %08X\n", ipconfigRAND32(), ipconfigRAND32(), ipconfigRAND32(), ipconfigRAND32() ) );
+}
+/*-----------------------------------------------------------*/
+
+#if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 ) || ( ipconfigDHCP_REGISTER_HOSTNAME == 1 )
+
+    const char * pcApplicationHostnameHook( void )
+    {
+        /* Assign the name "FreeRTOS" to this network node.  This function will
+         * be called during the DHCP: the machine will be registered with an IP
+         * address plus this name. */
+        return mainHOST_NAME;
+    }
+
+#endif
+/*-----------------------------------------------------------*/
+
+#if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 )
+
+    BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    {
+        BaseType_t xReturn;
+
+        /* Determine if a name lookup is for this node.  Two names are given
+         * to this node: that returned by pcApplicationHostnameHook() and that set
+         * by mainDEVICE_NICK_NAME. */
+        if( _stricmp( pcName, pcApplicationHostnameHook() ) == 0 )
+        {
+            xReturn = pdPASS;
+        }
+        else if( _stricmp( pcName, mainDEVICE_NICK_NAME ) == 0 )
+        {
+            xReturn = pdPASS;
+        }
+        else
+        {
+            xReturn = pdFAIL;
+        }
+
+        return xReturn;
+    }
+
+#endif /* if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 ) */
+/*-----------------------------------------------------------*/
+
+/*
+ * Callback that provides the inputs necessary to generate a randomized TCP
+ * Initial Sequence Number per RFC 6528.  THIS IS ONLY A DUMMY IMPLEMENTATION
+ * THAT RETURNS A PSEUDO RANDOM NUMBER SO IS NOT INTENDED FOR USE IN PRODUCTION
+ * SYSTEMS.
+ */
+extern uint32_t ulApplicationGetNextSequenceNumber( uint32_t ulSourceAddress,
+                                                    uint16_t usSourcePort,
+                                                    uint32_t ulDestinationAddress,
+                                                    uint16_t usDestinationPort )
+{
+    ( void ) ulSourceAddress;
+    ( void ) usSourcePort;
+    ( void ) ulDestinationAddress;
+    ( void ) usDestinationPort;
+
+    return uxRand();
+}
+/*-----------------------------------------------------------*/
+
+/*
+ * Set *pulNumber to a random number, and return pdTRUE. When the random number
+ * generator is broken, it shall return pdFALSE.
+ * The macros ipconfigRAND32() and configRAND32() are not in use
+ * anymore in FreeRTOS+TCP.
+ *
+ * THIS IS ONLY A DUMMY IMPLEMENTATION THAT RETURNS A PSEUDO RANDOM NUMBER SO IS
+ * NOT INTENDED FOR USE IN PRODUCTION SYSTEMS.
+ */
+BaseType_t xApplicationGetRandomNumber( uint32_t * pulNumber )
+{
+    *pulNumber = uxRand();
+    return pdTRUE;
+}
+/*-----------------------------------------------------------*/
+
+/* configUSE_STATIC_ALLOCATION is set to 1, so the application must provide an
+ * implementation of vApplicationGetIdleTaskMemory() to provide the memory that is
+ * used by the Idle task. */
+void vApplicationGetIdleTaskMemory( StaticTask_t ** ppxIdleTaskTCBBuffer,
+                                    StackType_t ** ppxIdleTaskStackBuffer,
+                                    uint32_t * pulIdleTaskStackSize )
+{
+    /* If the buffers to be provided to the Idle task are declared inside this
+     * function then they must be declared static - otherwise they will be allocated on
+     * the stack and so not exists after this function exits. */
+    static StaticTask_t xIdleTaskTCB;
+    static StackType_t uxIdleTaskStack[ configMINIMAL_STACK_SIZE ];
+
+    /* Pass out a pointer to the StaticTask_t structure in which the Idle task's
+     * state will be stored. */
+    *ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
+
+    /* Pass out the array that will be used as the Idle task's stack. */
+    *ppxIdleTaskStackBuffer = uxIdleTaskStack;
+
+    /* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
+     * Note that, as the array is necessarily of type StackType_t,
+     * configMINIMAL_STACK_SIZE is specified in words, not bytes. */
+    *pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
+}
+/*-----------------------------------------------------------*/
+
+/* configUSE_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
+ * application must provide an implementation of vApplicationGetTimerTaskMemory()
+ * to provide the memory that is used by the Timer service task. */
+void vApplicationGetTimerTaskMemory( StaticTask_t ** ppxTimerTaskTCBBuffer,
+                                     StackType_t ** ppxTimerTaskStackBuffer,
+                                     uint32_t * pulTimerTaskStackSize )
+{
+    /* If the buffers to be provided to the Timer task are declared inside this
+     * function then they must be declared static - otherwise they will be allocated on
+     * the stack and so not exists after this function exits. */
+    static StaticTask_t xTimerTaskTCB;
+    static StackType_t uxTimerTaskStack[ configTIMER_TASK_STACK_DEPTH ];
+
+    /* Pass out a pointer to the StaticTask_t structure in which the Timer
+     * task's state will be stored. */
+    *ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
+
+    /* Pass out the array that will be used as the Timer task's stack. */
+    *ppxTimerTaskStackBuffer = uxTimerTaskStack;
+
+    /* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
+     * Note that, as the array is necessarily of type StackType_t,
+     * configMINIMAL_STACK_SIZE is specified in words, not bytes. */
+    *pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
+}
+/*-----------------------------------------------------------*/

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Http_Demo/mbedtls_config.h

@@ -0,0 +1,140 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/* This file configures mbed TLS for FreeRTOS. */
+
+#ifndef MBEDTLS_CONFIG_H_
+#define MBEDTLS_CONFIG_H_
+
+/* FreeRTOS include. */
+#include "FreeRTOS.h"
+
+/* Generate errors if deprecated functions are used. */
+#define MBEDTLS_DEPRECATED_REMOVED
+
+/* Place AES tables in ROM. */
+#define MBEDTLS_AES_ROM_TABLES
+
+/* Enable the following cipher modes. */
+#define MBEDTLS_CIPHER_MODE_CBC
+#define MBEDTLS_CIPHER_MODE_CFB
+#define MBEDTLS_CIPHER_MODE_CTR
+
+/* Enable the following cipher padding modes. */
+#define MBEDTLS_CIPHER_PADDING_PKCS7
+#define MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS
+#define MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN
+#define MBEDTLS_CIPHER_PADDING_ZEROS
+
+/* Cipher suite configuration. */
+#define MBEDTLS_REMOVE_ARC4_CIPHERSUITES
+#define MBEDTLS_ECP_DP_SECP256R1_ENABLED
+#define MBEDTLS_ECP_NIST_OPTIM
+#define MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
+#define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
+
+/* Enable all SSL alert messages. */
+#define MBEDTLS_SSL_ALL_ALERT_MESSAGES
+
+/* Enable the following SSL features. */
+#define MBEDTLS_SSL_ENCRYPT_THEN_MAC
+#define MBEDTLS_SSL_EXTENDED_MASTER_SECRET
+#define MBEDTLS_SSL_MAX_FRAGMENT_LENGTH
+#define MBEDTLS_SSL_PROTO_TLS1_2
+#define MBEDTLS_SSL_ALPN
+#define MBEDTLS_SSL_SERVER_NAME_INDICATION
+
+/* Check certificate key usage. */
+#define MBEDTLS_X509_CHECK_KEY_USAGE
+#define MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE
+#define MBEDTLS_X509_CREATE_C
+#define MBEDTLS_PK_WRITE_C
+#define MBEDTLS_X509_CSR_WRITE_C
+
+/* Disable platform entropy functions. */
+#define MBEDTLS_NO_PLATFORM_ENTROPY
+
+/* Enable the following mbed TLS features. */
+#define MBEDTLS_AES_C
+#define MBEDTLS_ASN1_PARSE_C
+#define MBEDTLS_ASN1_WRITE_C
+#define MBEDTLS_BASE64_C
+#define MBEDTLS_BIGNUM_C
+#define MBEDTLS_CIPHER_C
+#define MBEDTLS_CTR_DRBG_C
+#define MBEDTLS_ECDH_C
+#define MBEDTLS_ECDSA_C
+#define MBEDTLS_ECP_C
+#define MBEDTLS_ENTROPY_C
+#define MBEDTLS_ERROR_C
+#define MBEDTLS_GCM_C
+#define MBEDTLS_MD_C
+#define MBEDTLS_OID_C
+#define MBEDTLS_PEM_PARSE_C
+#define MBEDTLS_PK_C
+#define MBEDTLS_PK_PARSE_C
+#define MBEDTLS_PKCS1_V15
+#define MBEDTLS_PLATFORM_C
+#define MBEDTLS_RSA_C
+#define MBEDTLS_SHA1_C
+#define MBEDTLS_SHA256_C
+#define MBEDTLS_SSL_CLI_C
+#define MBEDTLS_SSL_TLS_C
+#define MBEDTLS_THREADING_ALT
+#define MBEDTLS_THREADING_C
+#define MBEDTLS_X509_USE_C
+#define MBEDTLS_X509_CRT_PARSE_C
+
+/* Set the memory allocation functions on FreeRTOS. */
+void * mbedtls_platform_calloc( size_t nmemb,
+                                size_t size );
+void mbedtls_platform_free( void * ptr );
+#define MBEDTLS_PLATFORM_MEMORY
+#define MBEDTLS_PLATFORM_CALLOC_MACRO    mbedtls_platform_calloc
+#define MBEDTLS_PLATFORM_FREE_MACRO      mbedtls_platform_free
+
+/* The network send and receive functions on FreeRTOS. */
+int mbedtls_platform_send( void * ctx,
+                           const unsigned char * buf,
+                           size_t len );
+int mbedtls_platform_recv( void * ctx,
+                           unsigned char * buf,
+                           size_t len );
+
+/* These two macro used by mbedtls_ssl_set_bio in using_mbedtls network
+ * transport layer. */
+#define MBEDTLS_SSL_SEND mbedtls_platform_send
+#define MBEDTLS_SSL_RECV mbedtls_platform_recv
+
+/* The entropy poll function. */
+int mbedtls_platform_entropy_poll( void * data,
+                                   unsigned char * output,
+                                   size_t len,
+                                   size_t * olen );
+
+#include "mbedtls/check_config.h"
+
+#endif /* ifndef MBEDTLS_CONFIG_H_ */

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Http_Demo/ota_config.h

@@ -0,0 +1,200 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/**
+ * @file ota_config.h
+ * @brief OTA user configurable settings.
+ */
+
+#ifndef OTA_CONFIG_H_
+#define OTA_CONFIG_H_
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Logging related header files are required to be included in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define LIBRARY_LOG_NAME and  LIBRARY_LOG_LEVEL.
+ * 3. Include the header file "logging_stack.h".
+ */
+
+/* Include header that defines log levels. */
+#include "logging_levels.h"
+
+/* Configure name and log level for the OTA library. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME     "OTA"
+#endif
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_INFO
+#endif
+
+
+/* Prototype for the function used to print to console on Windows simulator
+ * of FreeRTOS.
+ * The function prints to the console before the network is connected;
+ * then a UDP port after the network has connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Map the SdkLog macro to the logging function to enable logging
+ * on Windows simulator. */
+#ifndef SdkLog
+    #define SdkLog( message )    vLoggingPrintf message
+#endif
+
+#include "logging_stack.h"
+
+/************ End of logging configuration ****************/
+
+/**
+ * @brief Log base 2 of the size of the file data block message (excluding the header).
+ *
+ * 10 bits yields a data block size of 1KB.
+ */
+#define otaconfigLOG2_FILE_BLOCK_SIZE           11UL
+
+/**
+ * @brief Size of the file data block message (excluding the header).
+ *
+ */
+#define otaconfigFILE_BLOCK_SIZE                ( 1UL << otaconfigLOG2_FILE_BLOCK_SIZE )
+
+/**
+ * @brief Milliseconds to wait for the self test phase to succeed before we force reset.
+ */
+#define otaconfigSELF_TEST_RESPONSE_WAIT_MS     16000U
+
+/**
+ * @brief Milliseconds to wait before requesting data blocks from the OTA service if nothing is happening.
+ *
+ * The wait timer is reset whenever a data block is received from the OTA service so we will only send
+ * the request message after being idle for this amount of time.
+ */
+#define otaconfigFILE_REQUEST_WAIT_MS           10000U
+
+/**
+ * @brief The maximum allowed length of the thing name used by the OTA agent.
+ *
+ * AWS IoT requires Thing names to be unique for each device that connects to the broker.
+ * Likewise, the OTA agent requires the developer to construct and pass in the Thing name when
+ * initializing the OTA agent. The agent uses this size to allocate static storage for the
+ * Thing name used in all OTA base topics. Namely $aws/things/<thingName>
+ */
+#define otaconfigMAX_THINGNAME_LEN              128U
+
+/**
+ * @brief The maximum number of data blocks requested from OTA streaming service.
+ *
+ *  This configuration parameter is sent with data requests and represents the maximum number of
+ *  data blocks the service will send in response. The maximum limit for this must be calculated
+ *  from the maximum data response limit (128 KB from service) divided by the block size.
+ *  For example if block size is set as 1 KB then the maximum number of data blocks that we can
+ *  request is 128/1 = 128 blocks. Configure this parameter to this maximum limit or lower based on
+ *  how many data blocks response is expected for each data requests.
+ *  Please note that this must be set larger than zero.
+ *
+ */
+#define otaconfigMAX_NUM_BLOCKS_REQUEST         4U
+
+/**
+ * @brief The maximum number of requests allowed to send without a response before we abort.
+ *
+ * This configuration parameter sets the maximum number of times the requests are made over
+ * the selected communication channel before aborting and returning error.
+ *
+ */
+#define otaconfigMAX_NUM_REQUEST_MOMENTUM       32U
+
+/**
+ * @brief The number of data buffers reserved by the OTA agent.
+ *
+ * This configurations parameter sets the maximum number of static data buffers used by
+ * the OTA agent for job and file data blocks received.
+ */
+#define otaconfigMAX_NUM_OTA_DATA_BUFFERS       5U
+
+/**
+ * @brief How frequently the device will report its OTA progress to the cloud.
+ *
+ * Device will update the job status with the number of blocks it has received every certain
+ * number of blocks it receives. For example, 25 means device will update job status every 25 blocks
+ * it receives.
+ */
+#define otaconfigOTA_UPDATE_STATUS_FREQUENCY    25U
+
+
+
+/**
+ * @brief Allow update to same or lower version.
+ *
+ * Set this to 1 to allow downgrade or same version update.This configurations parameter
+ * disables version check and allows update to a same or lower version.This is provided for
+ * testing purpose and it is recommended to always update to higher version and keep this
+ * configuration disabled.
+ */
+#define otaconfigAllowDowngrade           0U
+
+/**
+ * @brief The protocol selected for OTA control operations.
+ *
+ * This configurations parameter sets the default protocol for all the OTA control
+ * operations like requesting OTA job, updating the job status etc.
+ *
+ * Note - Only MQTT is supported at this time for control operations.
+ */
+#define configENABLED_CONTROL_PROTOCOL    ( OTA_CONTROL_OVER_MQTT )
+
+/**
+ * @brief The protocol selected for OTA data operations.
+ *
+ * This configurations parameter sets the protocols selected for the data operations
+ * like requesting file blocks from the service.
+ *
+ * Note - Both MQTT and HTTP is supported for data transfer from service. This configuration parameter
+ * can be set to following -
+ * Enable data over MQTT - ( OTA_DATA_OVER_MQTT )
+ * Enable data over HTTP - ( OTA_DATA_OVER_HTTP)
+ * 
+ * Note - Please check the OTA over MQTT demo which has the MQTT data transfer functionality and 
+ * and this configuration is set to OTA_DATA_OVER_MQTT.
+ */
+#define configENABLED_DATA_PROTOCOLS      ( OTA_DATA_OVER_HTTP )
+
+/**
+ * @brief The preferred protocol selected for OTA data operations.
+ *
+ * Primary data protocol will be the protocol used for downloading file if more than
+ * one protocol is selected while creating OTA job. Default primary data protocol is MQTT
+ * and following update here to switch to HTTP as primary.
+ *
+ * Note - use OTA_DATA_OVER_HTTP for HTTP as primary data protocol.
+ */
+
+#define configOTA_PRIMARY_DATA_PROTOCOL    ( OTA_DATA_OVER_HTTP )
+
+#endif /* OTA_CONFIG_H_ */

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Http_Demo/ota_over_http_demo.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29215.179
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "RTOSDemo", "WIN32.vcxproj", "{C686325E-3261-42F7-AEB1-DDE5280E1CEB}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C686325E-3261-42F7-AEB1-DDE5280E1CEB}.Debug|Win32.ActiveCfg = Debug|Win32
+		{C686325E-3261-42F7-AEB1-DDE5280E1CEB}.Debug|Win32.Build.0 = Debug|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {150F08BF-9D61-4CC2-8DBF-1335172A1EA4}
+	EndGlobalSection
+	GlobalSection(TestCaseManagementSettings) = postSolution
+		CategoryFile = FreeRTOS_Plus_TCP_Minimal.vsmdi
+	EndGlobalSection
+EndGlobal

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Mqtt_Demo/FreeRTOSConfig.h

@@ -0,0 +1,210 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef FREERTOS_CONFIG_H
+#define FREERTOS_CONFIG_H
+
+/*-----------------------------------------------------------
+* Application specific definitions.
+*
+* These definitions should be adjusted for your particular hardware and
+* application requirements.
+*
+* THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
+* FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
+* http://www.freertos.org/a00110.html
+*
+* The bottom of this file contains some constants specific to running the UDP
+* stack in this demo.  Constants specific to FreeRTOS+TCP itself (rather than
+* the demo) are contained in FreeRTOSIPConfig.h.
+*----------------------------------------------------------*/
+#define configUSE_PREEMPTION                       1
+#define configUSE_PORT_OPTIMISED_TASK_SELECTION    1
+#define configMAX_PRIORITIES                       ( 7 )
+#define configTICK_RATE_HZ                         ( 1000 )                  /* In this non-real time simulated environment the tick frequency has to be at least a multiple of the Win32 tick frequency, and therefore very slow. */
+#define configMINIMAL_STACK_SIZE                   ( ( unsigned short ) 60 ) /* In this simulated case, the stack only has to hold one small structure as the real stack is part of the Win32 thread. */
+#define configTOTAL_HEAP_SIZE                      ( ( size_t ) ( 2048U * 1024U ) )
+#define configMAX_TASK_NAME_LEN                    ( 15 )
+#define configUSE_TRACE_FACILITY                   0
+#define configUSE_16_BIT_TICKS                     0
+#define configIDLE_SHOULD_YIELD                    1
+#define configUSE_CO_ROUTINES                      0
+#define configUSE_MUTEXES                          1
+#define configUSE_RECURSIVE_MUTEXES                1
+#define configQUEUE_REGISTRY_SIZE                  0
+#define configUSE_APPLICATION_TASK_TAG             0
+#define configUSE_COUNTING_SEMAPHORES              1
+#define configUSE_ALTERNATIVE_API                  0
+#define configNUM_THREAD_LOCAL_STORAGE_POINTERS    0
+#define configENABLE_BACKWARD_COMPATIBILITY        1
+#define configSUPPORT_STATIC_ALLOCATION            1
+
+/* Hook function related definitions. */
+#define configUSE_TICK_HOOK                        0
+#define configUSE_IDLE_HOOK                        0
+#define configUSE_MALLOC_FAILED_HOOK               0
+#define configCHECK_FOR_STACK_OVERFLOW             0 /* Not applicable to the Win32 port. */
+
+/* Software timer related definitions. */
+#define configUSE_TIMERS                           1
+#define configTIMER_TASK_PRIORITY                  ( configMAX_PRIORITIES - 1 )
+#define configTIMER_QUEUE_LENGTH                   5
+#define configTIMER_TASK_STACK_DEPTH               ( configMINIMAL_STACK_SIZE * 2 )
+
+/* Event group related definitions. */
+#define configUSE_EVENT_GROUPS                     1
+
+/* Run time stats gathering configuration options. */
+#define configGENERATE_RUN_TIME_STATS              0
+
+/* Co-routine definitions. */
+#define configUSE_CO_ROUTINES                      0
+#define configMAX_CO_ROUTINE_PRIORITIES            ( 2 )
+
+/* Set the following definitions to 1 to include the API function, or zero
+ * to exclude the API function. */
+#define INCLUDE_vTaskPrioritySet                   1
+#define INCLUDE_uxTaskPriorityGet                  1
+#define INCLUDE_vTaskDelete                        1
+#define INCLUDE_vTaskCleanUpResources              0
+#define INCLUDE_vTaskSuspend                       1
+#define INCLUDE_vTaskDelayUntil                    1
+#define INCLUDE_vTaskDelay                         1
+#define INCLUDE_uxTaskGetStackHighWaterMark        1
+#define INCLUDE_xTaskGetSchedulerState             1
+#define INCLUDE_xTimerGetTimerTaskHandle           0
+#define INCLUDE_xTaskGetIdleTaskHandle             0
+#define INCLUDE_xQueueGetMutexHolder               1
+#define INCLUDE_eTaskGetState                      1
+#define INCLUDE_xEventGroupSetBitsFromISR          1
+#define INCLUDE_xTimerPendFunctionCall             1
+#define INCLUDE_pcTaskGetTaskName                  1
+
+/* This demo makes use of one or more example stats formatting functions.  These
+ * format the raw data provided by the uxTaskGetSystemState() function in to human
+ * readable ASCII form.  See the notes in the implementation of vTaskList() within
+ * FreeRTOS/Source/tasks.c for limitations.  configUSE_STATS_FORMATTING_FUNCTIONS
+ * is set to 2 so the formatting functions are included without the stdio.h being
+ * included in tasks.c.  That is because this project defines its own sprintf()
+ * functions. */
+#define configUSE_STATS_FORMATTING_FUNCTIONS       1
+
+/* Assert call defined for debug builds. */
+#ifdef _DEBUG
+    extern void vAssertCalled( const char * pcFile,
+                               uint32_t ulLine );
+    #define configASSERT( x )    if( ( x ) == 0 ) vAssertCalled( __FILE__, __LINE__ )
+#endif /* _DEBUG */
+
+
+
+/* Application specific definitions follow. **********************************/
+
+/* Only used when running in the FreeRTOS Windows simulator.  Defines the
+ * priority of the task used to simulate Ethernet interrupts. */
+#define configMAC_ISR_SIMULATOR_PRIORITY    ( configMAX_PRIORITIES - 1 )
+
+/* This demo creates a virtual network connection by accessing the raw Ethernet
+ * or WiFi data to and from a real network connection.  Many computers have more
+ * than one real network port, and configNETWORK_INTERFACE_TO_USE is used to tell
+ * the demo which real port should be used to create the virtual port.  The ports
+ * available are displayed on the console when the application is executed.  For
+ * example, on my development laptop setting configNETWORK_INTERFACE_TO_USE to 4
+ * results in the wired network being used, while setting
+ * configNETWORK_INTERFACE_TO_USE to 2 results in the wireless network being
+ * used. */
+#define configNETWORK_INTERFACE_TO_USE      ( 0L )
+
+/* The address to which logging is sent should UDP logging be enabled. */
+#define configUDP_LOGGING_ADDR0             192
+#define configUDP_LOGGING_ADDR1             168
+#define configUDP_LOGGING_ADDR2             0
+#define configUDP_LOGGING_ADDR3             11
+
+/* Default MAC address configuration.  The demo creates a virtual network
+ * connection that uses this MAC address by accessing the raw Ethernet/WiFi data
+ * to and from a real network connection on the host PC.  See the
+ * configNETWORK_INTERFACE_TO_USE definition above for information on how to
+ * configure the real network connection to use. */
+#define configMAC_ADDR0                     0x00
+#define configMAC_ADDR1                     0x11
+#define configMAC_ADDR2                     0x11
+#define configMAC_ADDR3                     0x11
+#define configMAC_ADDR4                     0x11
+#define configMAC_ADDR5                     0x41
+
+/* Default IP address configuration.  Used in ipconfigUSE_DNS is set to 0, or
+ * ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configIP_ADDR0                      10
+#define configIP_ADDR1                      10
+#define configIP_ADDR2                      10
+#define configIP_ADDR3                      200
+
+/* Default gateway IP address configuration.  Used in ipconfigUSE_DNS is set to
+ * 0, or ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configGATEWAY_ADDR0                 10
+#define configGATEWAY_ADDR1                 10
+#define configGATEWAY_ADDR2                 10
+#define configGATEWAY_ADDR3                 1
+
+/* Default DNS server configuration.  OpenDNS addresses are 208.67.222.222 and
+ * 208.67.220.220.  Used in ipconfigUSE_DNS is set to 0, or ipconfigUSE_DNS is set
+ * to 1 but a DNS server cannot be contacted.*/
+#define configDNS_SERVER_ADDR0              208
+#define configDNS_SERVER_ADDR1              67
+#define configDNS_SERVER_ADDR2              222
+#define configDNS_SERVER_ADDR3              222
+
+/* Default netmask configuration.  Used in ipconfigUSE_DNS is set to 0, or
+ * ipconfigUSE_DNS is set to 1 but a DNS server cannot be contacted. */
+#define configNET_MASK0                     255
+#define configNET_MASK1                     0
+#define configNET_MASK2                     0
+#define configNET_MASK3                     0
+
+/* The UDP port to which print messages are sent. */
+#define configPRINT_PORT                    ( 15000 )
+
+
+#if ( defined( _MSC_VER ) && ( _MSC_VER <= 1600 ) && !defined( snprintf ) )
+    /* Map to Windows names. */
+    #define snprintf     _snprintf
+    #define vsnprintf    _vsnprintf
+#endif
+
+/* Visual studio does not have an implementation of strcasecmp(). */
+#define strcasecmp     _stricmp
+#define strncasecmp    _strnicmp
+#define strcmpi        _strcmpi
+
+/* Prototype for the function used to print out.  In this case it prints to the
+ * console before the network is connected then a UDP port after the network has
+ * connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+#define configPRINTF( X )    vLoggingPrintf X
+
+#endif /* FREERTOS_CONFIG_H */

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Mqtt_Demo/FreeRTOSIPConfig.h

@@ -0,0 +1,310 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+
+/*****************************************************************************
+*
+* See the following URL for configuration information.
+* http://www.freertos.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html
+*
+*****************************************************************************/
+
+#ifndef FREERTOS_IP_CONFIG_H
+#define FREERTOS_IP_CONFIG_H
+
+/* Prototype for the function used to print out.  In this case it prints to the
+ * console before the network is connected then a UDP port after the network has
+ * connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Set to 1 to print out debug messages.  If ipconfigHAS_DEBUG_PRINTF is set to
+ * 1 then FreeRTOS_debug_printf should be defined to the function used to print
+ * out the debugging messages. */
+#define ipconfigHAS_DEBUG_PRINTF    0
+#if ( ipconfigHAS_DEBUG_PRINTF == 1 )
+    #define FreeRTOS_debug_printf( X )    vLoggingPrintf X
+#endif
+
+/* Set to 1 to print out non debugging messages, for example the output of the
+ * FreeRTOS_netstat() command, and ping replies.  If ipconfigHAS_PRINTF is set to 1
+ * then FreeRTOS_printf should be set to the function used to print out the
+ * messages. */
+#define ipconfigHAS_PRINTF    1
+#if ( ipconfigHAS_PRINTF == 1 )
+    #define FreeRTOS_printf( X )    vLoggingPrintf X
+#endif
+
+/* Define the byte order of the target MCU (the MCU FreeRTOS+TCP is executing
+ * on).  Valid options are pdFREERTOS_BIG_ENDIAN and pdFREERTOS_LITTLE_ENDIAN. */
+#define ipconfigBYTE_ORDER                         pdFREERTOS_LITTLE_ENDIAN
+
+/* If the network card/driver includes checksum offloading (IP/TCP/UDP checksums)
+ * then set ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM to 1 to prevent the software
+ * stack repeating the checksum calculations. */
+#define ipconfigDRIVER_INCLUDED_RX_IP_CHECKSUM     1
+
+/* Several API's will block until the result is known, or the action has been
+ * performed, for example FreeRTOS_send() and FreeRTOS_recv().  The timeouts can be
+ * set per socket, using setsockopt().  If not set, the times below will be
+ * used as defaults. */
+#define ipconfigSOCK_DEFAULT_RECEIVE_BLOCK_TIME    ( 2000 )
+#define ipconfigSOCK_DEFAULT_SEND_BLOCK_TIME       ( 5000 )
+
+/* Include support for LLMNR: Link-local Multicast Name Resolution
+ * (non-Microsoft) */
+#define ipconfigUSE_LLMNR                          ( 0 )
+
+/* Include support for NBNS: NetBIOS Name Service (Microsoft) */
+#define ipconfigUSE_NBNS                           ( 0 )
+
+/* Include support for DNS caching.  For TCP, having a small DNS cache is very
+ * useful.  When a cache is present, ipconfigDNS_REQUEST_ATTEMPTS can be kept low
+ * and also DNS may use small timeouts.  If a DNS reply comes in after the DNS
+ * socket has been destroyed, the result will be stored into the cache.  The next
+ * call to FreeRTOS_gethostbyname() will return immediately, without even creating
+ * a socket. */
+#define ipconfigUSE_DNS_CACHE                      ( 1 )
+#define ipconfigDNS_CACHE_NAME_LENGTH              ( 64 )
+#define ipconfigDNS_CACHE_ENTRIES                  ( 4 )
+#define ipconfigDNS_REQUEST_ATTEMPTS               ( 2 )
+
+/* The IP stack executes it its own task (although any application task can make
+ * use of its services through the published sockets API). ipconfigUDP_TASK_PRIORITY
+ * sets the priority of the task that executes the IP stack.  The priority is a
+ * standard FreeRTOS task priority so can take any value from 0 (the lowest
+ * priority) to (configMAX_PRIORITIES - 1) (the highest priority).
+ * configMAX_PRIORITIES is a standard FreeRTOS configuration parameter defined in
+ * FreeRTOSConfig.h, not FreeRTOSIPConfig.h. Consideration needs to be given as to
+ * the priority assigned to the task executing the IP stack relative to the
+ * priority assigned to tasks that use the IP stack. */
+#define ipconfigIP_TASK_PRIORITY                   ( configMAX_PRIORITIES - 2 )
+
+/* The size, in words (not bytes), of the stack allocated to the FreeRTOS+TCP
+ * task.  This setting is less important when the FreeRTOS Win32 simulator is used
+ * as the Win32 simulator only stores a fixed amount of information on the task
+ * stack.  FreeRTOS includes optional stack overflow detection, see:
+ * http://www.freertos.org/Stacks-and-stack-overflow-checking.html */
+#define ipconfigIP_TASK_STACK_SIZE_WORDS           ( configMINIMAL_STACK_SIZE * 5 )
+
+/* ipconfigRAND32() is called by the IP stack to generate random numbers for
+ * things such as a DHCP transaction number or initial sequence number.  Random
+ * number generation is performed via this macro to allow applications to use their
+ * own random number generation method.  For example, it might be possible to
+ * generate a random number by sampling noise on an analogue input. */
+extern UBaseType_t uxRand();
+#define ipconfigRAND32()    uxRand()
+
+/* If ipconfigUSE_NETWORK_EVENT_HOOK is set to 1 then FreeRTOS+TCP will call the
+ * network event hook at the appropriate times.  If ipconfigUSE_NETWORK_EVENT_HOOK
+ * is not set to 1 then the network event hook will never be called.  See
+ * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_UDP/API/vApplicationIPNetworkEventHook.shtml
+ */
+#define ipconfigUSE_NETWORK_EVENT_HOOK                        1
+
+/* Sockets have a send block time attribute.  If FreeRTOS_sendto() is called but
+ * a network buffer cannot be obtained then the calling task is held in the Blocked
+ * state (so other tasks can continue to executed) until either a network buffer
+ * becomes available or the send block time expires.  If the send block time expires
+ * then the send operation is aborted.  The maximum allowable send block time is
+ * capped to the value set by ipconfigMAX_SEND_BLOCK_TIME_TICKS.  Capping the
+ * maximum allowable send block time prevents a deadlock occurring when
+ * all the network buffers are in use and the tasks that process (and subsequently
+ * free) the network buffers are themselves blocked waiting for a network buffer.
+ * ipconfigMAX_SEND_BLOCK_TIME_TICKS is specified in RTOS ticks.  A time in
+ * milliseconds can be converted to a time in ticks by dividing the time in
+ * milliseconds by portTICK_PERIOD_MS. */
+#define ipconfigUDP_MAX_SEND_BLOCK_TIME_TICKS                 ( 5000 / portTICK_PERIOD_MS )
+
+/* If ipconfigUSE_DHCP is 1 then FreeRTOS+TCP will attempt to retrieve an IP
+ * address, netmask, DNS server address and gateway address from a DHCP server.  If
+ * ipconfigUSE_DHCP is 0 then FreeRTOS+TCP will use a static IP address.  The
+ * stack will revert to using the static IP address even when ipconfigUSE_DHCP is
+ * set to 1 if a valid configuration cannot be obtained from a DHCP server for any
+ * reason.  The static configuration used is that passed into the stack by the
+ * FreeRTOS_IPInit() function call. */
+#define ipconfigUSE_DHCP                                      1
+
+/* When ipconfigUSE_DHCP is set to 1, DHCP requests will be sent out at
+ * increasing time intervals until either a reply is received from a DHCP server
+ * and accepted, or the interval between transmissions reaches
+ * ipconfigMAXIMUM_DISCOVER_TX_PERIOD.  The IP stack will revert to using the
+ * static IP address passed as a parameter to FreeRTOS_IPInit() if the
+ * re-transmission time interval reaches ipconfigMAXIMUM_DISCOVER_TX_PERIOD without
+ * a DHCP reply being received. */
+#define ipconfigMAXIMUM_DISCOVER_TX_PERIOD                    ( 120000 / portTICK_PERIOD_MS )
+
+/* The ARP cache is a table that maps IP addresses to MAC addresses.  The IP
+ * stack can only send a UDP message to a remove IP address if it knowns the MAC
+ * address associated with the IP address, or the MAC address of the router used to
+ * contact the remote IP address.  When a UDP message is received from a remote IP
+ * address the MAC address and IP address are added to the ARP cache.  When a UDP
+ * message is sent to a remote IP address that does not already appear in the ARP
+ * cache then the UDP message is replaced by a ARP message that solicits the
+ * required MAC address information.  ipconfigARP_CACHE_ENTRIES defines the maximum
+ * number of entries that can exist in the ARP table at any one time. */
+#define ipconfigARP_CACHE_ENTRIES                             6
+
+/* ARP requests that do not result in an ARP response will be re-transmitted a
+ * maximum of ipconfigMAX_ARP_RETRANSMISSIONS times before the ARP request is
+ * aborted. */
+#define ipconfigMAX_ARP_RETRANSMISSIONS                       ( 5 )
+
+/* ipconfigMAX_ARP_AGE defines the maximum time between an entry in the ARP
+ * table being created or refreshed and the entry being removed because it is stale.
+ * New ARP requests are sent for ARP cache entries that are nearing their maximum
+ * age.  ipconfigMAX_ARP_AGE is specified in tens of seconds, so a value of 150 is
+ * equal to 1500 seconds (or 25 minutes). */
+#define ipconfigMAX_ARP_AGE                                   150
+
+/* Implementing FreeRTOS_inet_addr() necessitates the use of string handling
+ * routines, which are relatively large.  To save code space the full
+ * FreeRTOS_inet_addr() implementation is made optional, and a smaller and faster
+ * alternative called FreeRTOS_inet_addr_quick() is provided.  FreeRTOS_inet_addr()
+ * takes an IP in decimal dot format (for example, "192.168.0.1") as its parameter.
+ * FreeRTOS_inet_addr_quick() takes an IP address as four separate numerical octets
+ * (for example, 192, 168, 0, 1) as its parameters.  If
+ * ipconfigINCLUDE_FULL_INET_ADDR is set to 1 then both FreeRTOS_inet_addr() and
+ * FreeRTOS_indet_addr_quick() are available.  If ipconfigINCLUDE_FULL_INET_ADDR is
+ * not set to 1 then only FreeRTOS_indet_addr_quick() is available. */
+#define ipconfigINCLUDE_FULL_INET_ADDR                        1
+
+/* ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS defines the total number of network buffer that
+ * are available to the IP stack.  The total number of network buffers is limited
+ * to ensure the total amount of RAM that can be consumed by the IP stack is capped
+ * to a pre-determinable value. */
+#define ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS                60
+
+/* A FreeRTOS queue is used to send events from application tasks to the IP
+ * stack.  ipconfigEVENT_QUEUE_LENGTH sets the maximum number of events that can
+ * be queued for processing at any one time.  The event queue must be a minimum of
+ * 5 greater than the total number of network buffers. */
+#define ipconfigEVENT_QUEUE_LENGTH                            ( ipconfigNUM_NETWORK_BUFFER_DESCRIPTORS + 5 )
+
+/* The address of a socket is the combination of its IP address and its port
+ * number.  FreeRTOS_bind() is used to manually allocate a port number to a socket
+ * (to 'bind' the socket to a port), but manual binding is not normally necessary
+ * for client sockets (those sockets that initiate outgoing connections rather than
+ * wait for incoming connections on a known port number).  If
+ * ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND is set to 1 then calling
+ * FreeRTOS_sendto() on a socket that has not yet been bound will result in the IP
+ * stack automatically binding the socket to a port number from the range
+ * socketAUTO_PORT_ALLOCATION_START_NUMBER to 0xffff.  If
+ * ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND is set to 0 then calling FreeRTOS_sendto()
+ * on a socket that has not yet been bound will result in the send operation being
+ * aborted. */
+#define ipconfigALLOW_SOCKET_SEND_WITHOUT_BIND                1
+
+/* Defines the Time To Live (TTL) values used in outgoing UDP packets. */
+#define ipconfigUDP_TIME_TO_LIVE                              128
+#define ipconfigTCP_TIME_TO_LIVE                              128 /* also defined in FreeRTOSIPConfigDefaults.h */
+
+/* USE_TCP: Use TCP and all its features */
+#define ipconfigUSE_TCP                                       ( 1 )
+
+/* Use the TCP socket wake context with a callback. */
+#define ipconfigSOCKET_HAS_USER_WAKE_CALLBACK_WITH_CONTEXT    ( 1 )
+
+/* USE_WIN: Let TCP use windowing mechanism. */
+#define ipconfigUSE_TCP_WIN                                   ( 1 )
+
+/* The MTU is the maximum number of bytes the payload of a network frame can
+ * contain.  For normal Ethernet V2 frames the maximum MTU is 1500.  Setting a
+ * lower value can save RAM, depending on the buffer management scheme used.  If
+ * ipconfigCAN_FRAGMENT_OUTGOING_PACKETS is 1 then (ipconfigNETWORK_MTU - 28) must
+ * be divisible by 8. */
+#define ipconfigNETWORK_MTU                                   1200
+
+/* Set ipconfigUSE_DNS to 1 to include a basic DNS client/resolver.  DNS is used
+ * through the FreeRTOS_gethostbyname() API function. */
+#define ipconfigUSE_DNS                                       1
+
+/* If ipconfigREPLY_TO_INCOMING_PINGS is set to 1 then the IP stack will
+ * generate replies to incoming ICMP echo (ping) requests. */
+#define ipconfigREPLY_TO_INCOMING_PINGS                       1
+
+/* If ipconfigSUPPORT_OUTGOING_PINGS is set to 1 then the
+ * FreeRTOS_SendPingRequest() API function is available. */
+#define ipconfigSUPPORT_OUTGOING_PINGS                        0
+
+/* If ipconfigSUPPORT_SELECT_FUNCTION is set to 1 then the FreeRTOS_select()
+ * (and associated) API function is available. */
+#define ipconfigSUPPORT_SELECT_FUNCTION                       1
+
+/* If ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES is set to 1 then Ethernet frames
+ * that are not in Ethernet II format will be dropped.  This option is included for
+ * potential future IP stack developments. */
+#define ipconfigFILTER_OUT_NON_ETHERNET_II_FRAMES             1
+
+/* If ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES is set to 1 then it is the
+ * responsibility of the Ethernet interface to filter out packets that are of no
+ * interest.  If the Ethernet interface does not implement this functionality, then
+ * set ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES to 0 to have the IP stack
+ * perform the filtering instead (it is much less efficient for the stack to do it
+ * because the packet will already have been passed into the stack).  If the
+ * Ethernet driver does all the necessary filtering in hardware then software
+ * filtering can be removed by using a value other than 1 or 0. */
+#define ipconfigETHERNET_DRIVER_FILTERS_FRAME_TYPES           1
+
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+ * This has to do with the contents of the IP-packets: all 32-bit fields are
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+#define ipconfigPACKET_FILLER_SIZE                            2
+
+/* Define the size of the pool of TCP window descriptors.  On the average, each
+ * TCP socket will use up to 2 x 6 descriptors, meaning that it can have 2 x 6
+ * outstanding packets (for Rx and Tx).  When using up to 10 TP sockets
+ * simultaneously, one could define TCP_WIN_SEG_COUNT as 120. */
+#define ipconfigTCP_WIN_SEG_COUNT                             240
+
+/* Each TCP socket has a circular buffers for Rx and Tx, which have a fixed
+ * maximum size.  Define the size of Rx buffer for TCP sockets. */
+#define ipconfigTCP_RX_BUFFER_LENGTH                          ( 5000 )
+
+/* Define the size of Tx buffer for TCP sockets. */
+#define ipconfigTCP_TX_BUFFER_LENGTH                          ( 1000 )
+
+/* When using call-back handlers, the driver may check if the handler points to
+ * real program memory (RAM or flash) or just has a random non-zero value. */
+#define ipconfigIS_VALID_PROG_ADDRESS( x )    ( ( x ) != NULL )
+
+/* Include support for TCP hang protection.  All sockets in a connecting or
+ * disconnecting stage will timeout after a period of non-activity. */
+#define ipconfigTCP_HANG_PROTECTION         ( 1 )
+#define ipconfigTCP_HANG_PROTECTION_TIME    ( 30 )
+
+/* Include support for TCP keep-alive messages. */
+#define ipconfigTCP_KEEP_ALIVE              ( 1 )
+#define ipconfigTCP_KEEP_ALIVE_INTERVAL     ( 20 ) /* in seconds */
+
+#define portINLINE                          __inline
+
+#endif /* FREERTOS_IP_CONFIG_H */

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+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\psa_util.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ripemd160.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\rsa.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\rsa_internal.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\sha1.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\sha256.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\sha512.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_cache.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_ciphersuites.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_cookie.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_internal.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\ssl_ticket.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\threading.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\timing.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\version.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\x509.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\x509_crl.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\x509_crt.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\x509_csr.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\xtea.h">
+      <Filter>FreeRTOS+\mbedtls\include</Filter>
+    </ClInclude>
+    <ClInclude Include="core_mqtt_config.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="FreeRTOSConfig.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="demo_config.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="FreeRTOSIPConfig.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\FreeRTOS-Plus\Source\Utilities\logging\logging.h">
+      <Filter>Logging</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\FreeRTOS-Plus\Source\Utilities\logging\logging_levels.h">
+      <Filter>Logging</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\..\FreeRTOS-Plus\Source\Utilities\logging\logging_stack.h">
+      <Filter>Logging</Filter>
+    </ClInclude>
+    <ClInclude Include="mbedtls_config.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\FreeRTOS-Plus-TCP\include\FreeRTOS_errno_TCP.h">
+      <Filter>FreeRTOS+\FreeRTOS+TCP\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\coreMQTT\source\include\core_mqtt_config_defaults.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\standard\coreMQTT\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\coreJSON\source\include\core_json.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\standard\coreJSON\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Utilities\backoff_algorithm\source\include\backoff_algorithm.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\backoff_algorithm\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\ota\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_appversion32.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\ota\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_base64_private.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\ota\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_cbor_private.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\ota\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_config_defaults.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\ota\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_http_interface.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\ota\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_http_private.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\ota\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_interface_private.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\ota\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_mqtt_interface.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\ota\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_mqtt_private.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\ota\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_os_interface.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\ota\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_platform_interface.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\ota\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\include\ota_private.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\ota\include</Filter>
+    </ClInclude>
+    <ClInclude Include="ota_config.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\portable\os\ota_os_freertos.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\AWS\ota\portable</Filter>
+    </ClInclude>
+    <ClInclude Include="..\Common\Ota_PAL\Win32\ota_pal.h">
+      <Filter>otapal</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\dependency\3rdparty\tinycbor\src\cbor.h">
+      <Filter>FreeRTOS+\tinycbor\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\dependency\3rdparty\tinycbor\src\cborinternal_p.h">
+      <Filter>FreeRTOS+\tinycbor\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\dependency\3rdparty\tinycbor\src\cborjson.h">
+      <Filter>FreeRTOS+\tinycbor\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\dependency\3rdparty\tinycbor\src\compilersupport_p.h">
+      <Filter>FreeRTOS+\tinycbor\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\dependency\3rdparty\tinycbor\src\tinycbor-version.h">
+      <Filter>FreeRTOS+\tinycbor\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\AWS\ota\source\dependency\3rdparty\tinycbor\src\utf8_p.h">
+      <Filter>FreeRTOS+\tinycbor\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\Common\coreMQTT_Agent_Interface\include\freertos_agent_message.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\mqtt-agent-interface\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\Common\coreMQTT_Agent_Interface\include\freertos_command_pool.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\mqtt-agent-interface\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\Common\subscription-manager\subscription_manager.h">
+      <Filter>subscription-manager</Filter>
+    </ClInclude>
+    <ClInclude Include="..\Common\Ota_PAL\Win32\Code_Signature_Verification\code_signature_verification.h">
+      <Filter>otapal\code_signature_verification\include</Filter>
+    </ClInclude>
+    <ClInclude Include="core_pkcs11_config.h">
+      <Filter>Config</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\coreMQTT-Agent\source\include\core_mqtt_agent.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\standard\coreMQTT-Agent\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\coreMQTT-Agent\source\include\core_mqtt_agent_command_functions.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\standard\coreMQTT-Agent\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\coreMQTT-Agent\source\include\core_mqtt_agent_message_interface.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\standard\coreMQTT-Agent\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\Common\Ota_PAL\Win32\Code_Signature_Verification\aws_ota_codesigner_certificate.h">
+      <Filter>otapal\code_signature_verification\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\error.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\error.h" />
+    <ClInclude Include="..\..\..\..\ThirdParty\mbedtls\include\mbedtls\error.h" />
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\network_transport\sockets_wrapper\freertos_plus_tcp\sockets_wrapper.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\transport\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\Source\Application-Protocols\network_transport\using_mbedtls\using_mbedtls\using_mbedtls.h">
+      <Filter>FreeRTOS+\FreeRTOS IoT Libraries\platform\transport\include</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Mqtt_Demo/core_mqtt_config.h

@@ -0,0 +1,109 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+ 
+#ifndef CORE_MQTT_CONFIG_H
+#define CORE_MQTT_CONFIG_H
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Include logging header files and define logging macros in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define the LIBRARY_LOG_NAME and LIBRARY_LOG_LEVEL macros depending on
+ * the logging configuration for MQTT.
+ * 3. Include the header file "logging_stack.h", if logging is enabled for MQTT.
+ */
+
+#include "logging_levels.h"
+
+/* Logging configuration for the MQTT library. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME    "MQTT"
+#endif
+
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_ERROR
+#endif
+
+/* Prototype for the function used to print to console on Windows simulator
+ * of FreeRTOS.
+ * The function prints to the console before the network is connected;
+ * then a UDP port after the network has connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Map the SdkLog macro to the logging function to enable logging
+ * on Windows simulator. */
+#ifndef SdkLog
+    #define SdkLog( message )    vLoggingPrintf message
+#endif
+#include "logging_stack.h"
+/************ End of logging configuration ****************/
+
+/**
+ * @brief The maximum number of MQTT PUBLISH messages that may be pending
+ * acknowledgement at any time.
+ *
+ * QoS 1 and 2 MQTT PUBLISHes require acknowledgment from the server before
+ * they can be completed. While they are awaiting the acknowledgment, the
+ * client must maintain information about their state. The value of this
+ * macro sets the limit on how many simultaneous PUBLISH states an MQTT
+ * context maintains.
+ */
+#define MQTT_STATE_ARRAY_MAX_COUNT    10U
+
+ /*********************** coreMQTT Agent Configurations **********************/
+ /**
+  * @brief The maximum number of pending acknowledgments to track for a single
+  * connection.
+  *
+  * @note The MQTT agent tracks MQTT commands (such as PUBLISH and SUBSCRIBE) th
+  * at are still waiting to be acknowledged.  MQTT_AGENT_MAX_OUTSTANDING_ACKS set
+  * the maximum number of acknowledgments that can be outstanding at any one time.
+  * The higher this number is the greater the agent's RAM consumption will be.
+  */
+#define MQTT_AGENT_MAX_OUTSTANDING_ACKS         ( 20U )
+
+  /**
+   * @brief Time in MS that the MQTT agent task will wait in the Blocked state (so
+   * not using any CPU time) for a command to arrive in its command queue before
+   * exiting the blocked state so it can call MQTT_ProcessLoop().
+   *
+   * @note It is important MQTT_ProcessLoop() is called often if there is known
+   * MQTT traffic, but calling it too often can take processing time away from
+   * lower priority tasks and waste CPU time and power.
+   */
+#define MQTT_AGENT_MAX_EVENT_QUEUE_WAIT_TIME    ( 1000 )
+
+   /**
+    * @brief The number of command structures to allocate in the pool
+    * for the agent.
+    */
+#define MQTT_COMMAND_CONTEXTS_POOL_SIZE         10
+
+
+#endif /* ifndef CORE_MQTT_CONFIG_H */

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Mqtt_Demo/core_pkcs11_config.h

@@ -0,0 +1,187 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/**
+ * @file core_pkcs11_config.h
+ * @brief PCKS#11 config options.
+ */
+
+
+#ifndef _CORE_PKCS11_CONFIG_H_
+#define _CORE_PKCS11_CONFIG_H_
+
+#include "FreeRTOS.h"
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Include logging header files and define logging macros in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define the LIBRARY_LOG_NAME and LIBRARY_LOG_LEVEL macros depending on
+ * the logging configuration for PKCS #11.
+ * 3. Include the header file "logging_stack.h", if logging is enabled for PKCS #11.
+ */
+
+#include "logging_levels.h"
+
+/* Logging configuration for the PKCS #11 library. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME    "PKCS11"
+#endif
+
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_ERROR
+#endif
+
+/* Prototype for the function used to print to console on Windows simulator
+ * of FreeRTOS.
+ * The function prints to the console before the network is connected;
+ * then a UDP port after the network has connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Map the SdkLog macro to the logging function to enable logging
+ * on Windows simulator. */
+#ifndef SdkLog
+    #define SdkLog( message )    vLoggingPrintf message
+#endif
+
+#include "logging_stack.h"
+
+/**
+ * @brief Malloc API used by core_pkcs11.h
+ */
+#define PKCS11_MALLOC                                      pvPortMalloc
+
+/**
+ * @brief Free API used by core_pkcs11.h
+ */
+#define PKCS11_FREE                                        vPortFree
+
+/**
+ * @brief PKCS #11 default user PIN.
+ *
+ * The PKCS #11 standard specifies the presence of a user PIN. That feature is
+ * sensible for applications that have an interactive user interface and memory
+ * protections. However, since typical microcontroller applications lack one or
+ * both of those, the user PIN is assumed to be used herein for interoperability
+ * purposes only, and not as a security feature.
+ *
+ * Note: Do not cast this to a pointer! The library calls sizeof to get the length
+ * of this string.
+ */
+#define configPKCS11_DEFAULT_USER_PIN                      "0000"
+
+/**
+ * @brief Maximum length (in characters) for a PKCS #11 CKA_LABEL
+ * attribute.
+ */
+#define pkcs11configMAX_LABEL_LENGTH                       32
+
+/**
+ * @brief Maximum number of token objects that can be stored
+ * by the PKCS #11 module.
+ */
+#define pkcs11configMAX_NUM_OBJECTS                        6
+
+/**
+ * @brief Maximum number of sessions that can be stored
+ * by the PKCS #11 module.
+ */
+#define pkcs11configMAX_SESSIONS                           10
+
+/**
+ * @brief Set to 1 if a PAL destroy object is implemented.
+ *
+ * If set to 0, no PAL destroy object is implemented, and this functionality
+ * is implemented in the common PKCS #11 layer.
+ */
+#define pkcs11configPAL_DESTROY_SUPPORTED                  0
+
+/**
+ * @brief Set to 1 if OTA image verification via PKCS #11 module is supported.
+ *
+ * If set to 0, OTA code signing certificate is built in via
+ * aws_ota_codesigner_certificate.h.
+ */
+#define pkcs11configOTA_SUPPORTED                          0
+
+/**
+ * @brief Set to 1 if PAL supports storage for JITP certificate,
+ * code verify certificate, and trusted server root certificate.
+ *
+ * If set to 0, PAL does not support storage mechanism for these, and
+ * they are accessed via headers compiled into the code.
+ */
+#define pkcs11configJITP_CODEVERIFY_ROOT_CERT_SUPPORTED    0
+
+/**
+ * @brief The PKCS #11 label for device private key.
+ *
+ * Private key for connection to AWS IoT endpoint.  The corresponding
+ * public key should be registered with the AWS IoT endpoint.
+ */
+#define pkcs11configLABEL_DEVICE_PRIVATE_KEY_FOR_TLS       "Device Priv TLS Key"
+
+/**
+ * @brief The PKCS #11 label for device public key.
+ *
+ * The public key corresponding to pkcs11configLABEL_DEVICE_PRIVATE_KEY_FOR_TLS.
+ */
+#define pkcs11configLABEL_DEVICE_PUBLIC_KEY_FOR_TLS        "Device Pub TLS Key"
+
+/**
+ * @brief The PKCS #11 label for the device certificate.
+ *
+ * Device certificate corresponding to pkcs11configLABEL_DEVICE_PRIVATE_KEY_FOR_TLS.
+ */
+#define pkcs11configLABEL_DEVICE_CERTIFICATE_FOR_TLS       "Device Cert"
+
+/**
+ * @brief The PKCS #11 label for the object to be used for code verification.
+ *
+ * Used by over-the-air update code to verify an incoming signed image.
+ */
+#define pkcs11configLABEL_CODE_VERIFICATION_KEY            "Code Verify Key"
+
+/**
+ * @brief The PKCS #11 label for Just-In-Time-Provisioning.
+ *
+ * The certificate corresponding to the issuer of the device certificate
+ * (pkcs11configLABEL_DEVICE_CERTIFICATE_FOR_TLS) when using the JITR or
+ * JITP flow.
+ */
+#define pkcs11configLABEL_JITP_CERTIFICATE                 "JITP Cert"
+
+/**
+ * @brief The PKCS #11 label for the AWS Trusted Root Certificate.
+ *
+ * @see aws_default_root_certificates.h
+ */
+#define pkcs11configLABEL_ROOT_CERTIFICATE                 "Root Cert"
+
+#endif /* _CORE_PKCS11_CONFIG_H_ */

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Mqtt_Demo/demo_config.h

@@ -0,0 +1,413 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+#ifndef DEMO_CONFIG_H
+#define DEMO_CONFIG_H
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Include logging header files and define logging macros in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define the LIBRARY_LOG_NAME and LIBRARY_LOG_LEVEL macros depending on
+ * the logging configuration for DEMO.
+ * 3. Include the header file "logging_stack.h", if logging is enabled for DEMO.
+ */
+
+#include "logging_levels.h"
+
+/* Logging configuration for the Demo. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME    "OTADemo"
+#endif
+
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_DEBUG
+#endif
+
+/* Prototype for the function used to print to console on Windows simulator
+ * of FreeRTOS.
+ * The function prints to the console before the network is connected;
+ * then a UDP port after the network has connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                             ... );
+
+/* Map the SdkLog macro to the logging function to enable logging
+ * on Windows simulator. */
+#ifndef SdkLog
+    #define SdkLog( message )    vLoggingPrintf message
+#endif
+
+#include "logging_stack.h"
+
+/************ End of logging configuration ****************/
+
+/**
+ * @brief The version for the firmware which is running. OTA agent uses this
+ * version number to perform anti-rollback validation. The firmware version for the
+ * download image should be higher than the current version, otherwise the new image is
+ * rejected in self test phase.
+ */
+#define APP_VERSION_MAJOR                     0
+#define APP_VERSION_MINOR                     9
+#define APP_VERSION_BUILD                     2
+
+/**
+ * @brief The MQTT client identifier used in this example.  Each client identifier
+ * must be unique so edit as required to ensure no two clients connecting to the
+ * same broker use the same client identifier.
+ *
+ *!!! Please note a #defined constant is used for convenience of demonstration
+ *!!! only.  Production devices can use something unique to the device that can
+ *!!! be read by software, such as a production serial number, instead of a
+ *!!! hard coded constant.
+ *
+ * #define democonfigCLIENT_IDENTIFIER              "...insert here..."
+ */
+#define democonfigCLIENT_IDENTIFIER              "...insert here..."
+
+/**
+ * @brief Endpoint of the MQTT broker to connect to.
+ *
+ * This demo application can be run with any MQTT broker, although it is
+ * recommended to use one that supports mutual authentication. If mutual
+ * authentication is not used, then #democonfigUSE_TLS should be set to 0.
+ *
+ * For AWS IoT MQTT broker, this is the Thing's REST API Endpoint.
+ *
+ * @note Your AWS IoT Core endpoint can be found in the AWS IoT console under
+ * Settings/Custom Endpoint, or using the describe-endpoint REST API (with
+ * AWS CLI command line tool).
+ *
+ * #define democonfigMQTT_BROKER_ENDPOINT           "...insert here..."
+ */
+#define democonfigMQTT_BROKER_ENDPOINT           "...insert here..."
+
+/**
+ * @brief The port to use for the demo.
+ *
+ * In general, port 8883 is for secured MQTT connections, and port 1883 if not
+ * using TLS.
+ *
+ * @note Port 443 requires use of the ALPN TLS extension with the ALPN protocol
+ * name. Using ALPN with this demo would require additional changes, including
+ * setting the `pAlpnProtos` member of the `NetworkCredentials_t` struct before
+ * forming the TLS connection. When using port 8883, ALPN is not required.
+ *
+ * #define democonfigMQTT_BROKER_PORT    ( insert here. )
+ */
+#define democonfigMQTT_BROKER_PORT        ( 8883 )
+
+/**
+ * @brief Server's root CA certificate.
+ *
+ * For AWS IoT MQTT broker, this certificate is used to identify the AWS IoT
+ * server and is publicly available. Refer to the AWS documentation available
+ * in the link below.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/server-authentication.html#server-authentication-certs
+ *
+ * @note This certificate should be PEM-encoded.
+ *
+ * @note If you would like to setup an MQTT broker for running this demo,
+ * please see `mqtt_broker_setup.txt`.
+ *
+ * Must include the PEM header and footer:
+ * "-----BEGIN CERTIFICATE-----\n"\
+ * "...base64 data...\n"\
+ * "-----END CERTIFICATE-----\n"
+ *
+ * #define democonfigROOT_CA_PEM    "...insert here..."
+ */
+
+/**
+ * @brief Client certificate.
+ *
+ * For AWS IoT MQTT broker, refer to the AWS documentation below for details
+ * regarding client authentication.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/client-authentication.html
+ *
+ * @note This certificate should be PEM-encoded.
+ *
+ * Must include the PEM header and footer:
+ * "-----BEGIN CERTIFICATE-----\n"\
+ * "...base64 data...\n"\
+ * "-----END CERTIFICATE-----\n"
+ *
+ * #define democonfigCLIENT_CERTIFICATE_PEM    "...insert here..."
+ */
+
+/**
+ * @brief Client's private key.
+ *
+ *!!! Please note pasting a key into the header file in this manner is for
+ *!!! convenience of demonstration only and should not be done in production.
+ *!!! Never paste a production private key here!.  Production devices should
+ *!!! store keys securely, such as within a secure element.  Additionally,
+ *!!! we provide the corePKCS library that further enhances security by
+ *!!! enabling securely stored keys to be used without exposing them to
+ *!!! software.
+ *
+ * For AWS IoT MQTT broker, refer to the AWS documentation below for details
+ * regarding clientauthentication.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/client-authentication.html
+ *
+ * @note This private key should be PEM-encoded.
+ *
+ * Must include the PEM header and footer:
+ * "-----BEGIN RSA PRIVATE KEY-----\n"\
+ * "...base64 data...\n"\
+ * "-----END RSA PRIVATE KEY-----\n"
+ *
+ * #define democonfigCLIENT_PRIVATE_KEY_PEM    "...insert here..."
+ */
+
+/**
+ * @brief An option to disable Server Name Indication.
+ *
+ * @note When using a local Mosquitto server setup, SNI needs to be disabled
+ * for an MQTT broker that only has an IP address but no hostname. However,
+ * SNI should be enabled whenever possible.
+ */
+#define democonfigDISABLE_SNI                ( pdFALSE )
+
+/**
+ * @brief Configuration that indicates if the demo connection is made to the AWS IoT Core MQTT broker.
+ *
+ * If username/password based authentication is used, the demo will use appropriate TLS ALPN and
+ * SNI configurations as required for the Custom Authentication feature of AWS IoT.
+ * For more information, refer to the following documentation:
+ * https://docs.aws.amazon.com/iot/latest/developerguide/custom-auth.html#custom-auth-mqtt
+ *
+ * #define democonfigUSE_AWS_IOT_CORE_BROKER    ( 1 )
+ */
+#define democonfigUSE_AWS_IOT_CORE_BROKER    ( 1 )
+
+/**
+ * @brief The username value for authenticating client to the MQTT broker when
+ * username/password based client authentication is used.
+ *
+ * For AWS IoT MQTT broker, refer to the AWS IoT documentation below for
+ * details regarding client authentication with a username and password.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
+ * An authorizer setup needs to be done, as mentioned in the above link, to use
+ * username/password based client authentication.
+ *
+ * #define democonfigCLIENT_USERNAME    "...insert here..."
+ */
+
+/**
+ * @brief The password value for authenticating client to the MQTT broker when
+ * username/password based client authentication is used.
+ *
+ * For AWS IoT MQTT broker, refer to the AWS IoT documentation below for
+ * details regarding client authentication with a username and password.
+ * https://docs.aws.amazon.com/iot/latest/developerguide/custom-authentication.html
+ * An authorizer setup needs to be done, as mentioned in the above link, to use
+ * username/password based client authentication.
+ *
+ * #define democonfigCLIENT_PASSWORD    "...insert here..."
+ */
+
+/**
+ * @brief The name of the operating system that the application is running on.
+ * The current value is given as an example. Please update for your specific
+ * operating system.
+ */
+#define democonfigOS_NAME                   "FreeRTOS"
+
+/**
+ * @brief The version of the operating system that the application is running
+ * on. The current value is given as an example. Please update for your specific
+ * operating system version.
+ */
+#define democonfigOS_VERSION                tskKERNEL_VERSION_NUMBER
+
+/**
+ * @brief The name of the hardware platform the application is running on. The
+ * current value is given as an example. Please update for your specific
+ * hardware platform.
+ */
+#define democonfigHARDWARE_PLATFORM_NAME    "WinSim"
+
+/**
+ * @brief The name of the MQTT library used and its version, following an "@"
+ * symbol.
+ */
+#define democonfigMQTT_LIB                  "core-mqtt@1.0.0"
+
+/**
+ * @brief Whether to use mutual authentication. If this macro is not set to 1
+ * or not defined, then plaintext TCP will be used instead of TLS over TCP.
+ */
+#define democonfigUSE_TLS                   1
+
+/**
+ * @brief Set the stack size of the main demo task.
+ *
+ * In the Windows port, this stack only holds a structure. The actual
+ * stack is created by an operating system thread.
+ */
+#define democonfigDEMO_STACKSIZE            configMINIMAL_STACK_SIZE
+
+/**********************************************************************************
+* Error checks and derived values only below here - do not edit below here. -----*
+**********************************************************************************/
+
+
+/* Compile time error for some undefined configs, and provide default values
+ * for others. */
+#ifndef democonfigMQTT_BROKER_ENDPOINT
+    #error "Please define democonfigMQTT_BROKER_ENDPOINT in demo_config.h."
+#endif
+
+#ifndef democonfigCLIENT_IDENTIFIER
+
+/**
+ * @brief The MQTT client identifier used in this example.  Each client identifier
+ * must be unique so edit as required to ensure no two clients connecting to the
+ * same broker use the same client identifier.  Using a #define is for convenience
+ * of demonstration only - production devices should use something unique to the
+ * device that can be read from software - such as a production serial number.
+ */
+    #error  "Please define democonfigCLIENT_IDENTIFIER in demo_config.h to something unique for this device."
+#endif
+
+
+#if defined( democonfigUSE_TLS ) && ( democonfigUSE_TLS == 1 )
+    #ifndef democonfigROOT_CA_PEM
+        #error "Please define Root CA certificate of the MQTT broker(democonfigROOT_CA_PEM) in demo_config.h."
+    #endif
+
+/* If no username is defined, then a client certificate/key is required. */
+    #ifndef democonfigCLIENT_USERNAME
+
+/*
+ *!!! Please note democonfigCLIENT_PRIVATE_KEY_PEM in used for
+ *!!! convenience of demonstration only.  Production devices should
+ *!!! store keys securely, such as within a secure element.
+ */
+
+        #ifndef democonfigCLIENT_CERTIFICATE_PEM
+            #error "Please define client certificate(democonfigCLIENT_CERTIFICATE_PEM) in demo_config.h."
+        #endif
+        #ifndef democonfigCLIENT_PRIVATE_KEY_PEM
+            #error "Please define client private key(democonfigCLIENT_PRIVATE_KEY_PEM) in demo_config.h."
+        #endif
+    #else
+
+/* If a username is defined, a client password also would need to be defined for
+ * client authentication. */
+        #ifndef democonfigCLIENT_PASSWORD
+            #error "Please define client password(democonfigCLIENT_PASSWORD) in demo_config.h for client authentication based on username/password."
+        #endif
+
+/* AWS IoT MQTT broker port needs to be 443 for client authentication based on
+ * username/password. */
+        #if defined( democonfigUSE_AWS_IOT_CORE_BROKER ) && democonfigMQTT_BROKER_PORT != 443
+            #error "Broker port(democonfigMQTT_BROKER_PORT) should be defined as 443 in demo_config.h for client authentication based on username/password in AWS IoT Core."
+        #endif
+    #endif /* ifndef democonfigCLIENT_USERNAME */
+
+    #ifndef democonfigMQTT_BROKER_PORT
+        #define democonfigMQTT_BROKER_PORT    ( 8883 )
+    #endif
+#else /* if defined( democonfigUSE_TLS ) && ( democonfigUSE_TLS == 1 ) */
+    #ifndef democonfigMQTT_BROKER_PORT
+        #define democonfigMQTT_BROKER_PORT    ( 1883 )
+    #endif
+#endif /* if defined( democonfigUSE_TLS ) && ( democonfigUSE_TLS == 1 ) */
+
+/**
+ * @brief ALPN (Application-Layer Protocol Negotiation) protocol name for AWS IoT MQTT.
+ *
+ * This will be used if democonfigMQTT_BROKER_PORT is configured as 443 for the AWS IoT MQTT broker.
+ * Please see more details about the ALPN protocol for AWS IoT MQTT endpoint
+ * in the link below.
+ * https://aws.amazon.com/blogs/iot/mqtt-with-tls-client-authentication-on-port-443-why-it-is-useful-and-how-it-works/
+ */
+#define AWS_IOT_MQTT_ALPN           "\x0ex-amzn-mqtt-ca"
+
+/**
+ * @brief This is the ALPN (Application-Layer Protocol Negotiation) string
+ * required by AWS IoT for password-based authentication using TCP port 443.
+ */
+#define AWS_IOT_CUSTOM_AUTH_ALPN    "\x04mqtt"
+
+/**
+ * Provide default values for undefined configuration settings.
+ */
+#ifndef democonfigOS_NAME
+    #define democonfigOS_NAME    "FreeRTOS"
+#endif
+
+#ifndef democonfigOS_VERSION
+    #define democonfigOS_VERSION    tskKERNEL_VERSION_NUMBER
+#endif
+
+#ifndef democonfigHARDWARE_PLATFORM_NAME
+    #define democonfigHARDWARE_PLATFORM_NAME    "WinSim"
+#endif
+
+#ifndef democonfigMQTT_LIB
+    #define democonfigMQTT_LIB    "core-mqtt@1.0.0"
+#endif
+
+/**
+ * @brief The MQTT metrics string expected by AWS IoT.
+ */
+#define AWS_IOT_METRICS_STRING                                 \
+    "?SDK=" democonfigOS_NAME "&Version=" democonfigOS_VERSION \
+    "&Platform=" democonfigHARDWARE_PLATFORM_NAME "&MQTTLib=" democonfigMQTT_LIB
+
+/**
+ * @brief The length of the MQTT metrics string expected by AWS IoT.
+ */
+#define AWS_IOT_METRICS_STRING_LENGTH    ( ( uint16_t ) ( sizeof( AWS_IOT_METRICS_STRING ) - 1 ) )
+
+#ifdef democonfigCLIENT_USERNAME
+
+/**
+ * @brief Append the username with the metrics string if #democonfigCLIENT_USERNAME is defined.
+ *
+ * This is to support both metrics reporting and username/password based client
+ * authentication by AWS IoT.
+ */
+    #define CLIENT_USERNAME_WITH_METRICS    democonfigCLIENT_USERNAME AWS_IOT_METRICS_STRING
+#endif
+
+/**
+ * @brief Length of client identifier.
+ */
+#define democonfigCLIENT_IDENTIFIER_LENGTH    ( ( uint16_t ) ( sizeof( democonfigCLIENT_IDENTIFIER ) - 1 ) )
+
+/**
+ * @brief Length of MQTT server host name.
+ */
+#define democonfigBROKER_ENDPOINT_LENGTH      ( ( uint16_t ) ( sizeof( democonfigMQTT_BROKER_ENDPOINT ) - 1 ) )
+
+
+#endif /* DEMO_CONFIG_H */

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Mqtt_Demo/main.c

@@ -0,0 +1,376 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/***
+ * See https://www.FreeRTOS.org/coremqtt for configuration and usage instructions.
+ ***/
+
+/* Standard includes. */
+#include <stdio.h>
+#include <time.h>
+
+/* Visual studio intrinsics used so the __debugbreak() function is available
+ * should an assert get hit. */
+#include <intrin.h>
+
+/* FreeRTOS includes. */
+#include <FreeRTOS.h>
+#include "task.h"
+
+/* TCP/IP stack includes. */
+#include "FreeRTOS_IP.h"
+#include "FreeRTOS_Sockets.h"
+
+/* Demo logging includes. */
+#include "logging.h"
+
+/* Demo Specific configs. */
+#include "demo_config.h"
+
+
+/*
+ * Prototypes for the demos that can be started from this project.  Note the
+ * Ota demo is not actually started until the network is already, which is
+ * indicated by vApplicationIPNetworkEventHook() executing - hence
+ * vStartOtaDemo() is called from inside vApplicationIPNetworkEventHook().
+ */
+extern void vStartOtaDemo( void );
+
+/*
+ * Just seeds the simple pseudo random number generator.
+ *
+ * !!! NOTE !!!
+ * This is not a secure method of generating random numbers and production
+ * devices should use a true random number generator (TRNG).
+ */
+static void prvSRand( UBaseType_t ulSeed );
+
+/*
+ * Miscellaneous initialization including preparing the logging and seeding the
+ * random number generator.
+ */
+static void prvMiscInitialisation( void );
+
+/* The default IP and MAC address used by the demo.  The address configuration
+ * defined here will be used if ipconfigUSE_DHCP is 0, or if ipconfigUSE_DHCP is
+ * 1 but a DHCP server could not be contacted.  See the online documentation for
+ * more information. */
+static const uint8_t ucIPAddress[ 4 ] = { configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 };
+static const uint8_t ucNetMask[ 4 ] = { configNET_MASK0, configNET_MASK1, configNET_MASK2, configNET_MASK3 };
+static const uint8_t ucGatewayAddress[ 4 ] = { configGATEWAY_ADDR0, configGATEWAY_ADDR1, configGATEWAY_ADDR2, configGATEWAY_ADDR3 };
+static const uint8_t ucDNSServerAddress[ 4 ] = { configDNS_SERVER_ADDR0, configDNS_SERVER_ADDR1, configDNS_SERVER_ADDR2, configDNS_SERVER_ADDR3 };
+
+/* Set the following constant to pdTRUE to log using the method indicated by the
+ * name of the constant, or pdFALSE to not log using the method indicated by the
+ * name of the constant.  Options include to standard out (xLogToStdout), to a disk
+ * file (xLogToFile), and to a UDP port (xLogToUDP).  If xLogToUDP is set to pdTRUE
+ * then UDP messages are sent to the IP address configured as the UDP logging server
+ * address (see the configUDP_LOGGING_ADDR0 definitions in FreeRTOSConfig.h) and
+ * the port number set by configPRINT_PORT in FreeRTOSConfig.h. */
+const BaseType_t xLogToStdout = pdTRUE, xLogToFile = pdFALSE, xLogToUDP = pdFALSE;
+
+/* Default MAC address configuration.  The demo creates a virtual network
+ * connection that uses this MAC address by accessing the raw Ethernet data
+ * to and from a real network connection on the host PC.  See the
+ * configNETWORK_INTERFACE_TO_USE definition for information on how to configure
+ * the real network connection to use. */
+const uint8_t ucMACAddress[ 6 ] = { configMAC_ADDR0, configMAC_ADDR1, configMAC_ADDR2, configMAC_ADDR3, configMAC_ADDR4, configMAC_ADDR5 };
+
+/* Used by the pseudo random number generator. */
+static UBaseType_t ulNextRand;
+/*-----------------------------------------------------------*/
+
+int main( void )
+{
+    /* Miscellaneous initialization including preparing the logging and seeding
+     * the random number generator. */
+    prvMiscInitialisation();
+
+    /* Initialize the network interface.
+     *
+     ***NOTE*** Tasks that use the network are created in the network event hook
+     * when the network is connected and ready for use (see the implementation of
+     * vApplicationIPNetworkEventHook() below).  The address values passed in here
+     * are used if ipconfigUSE_DHCP is set to 0, or if ipconfigUSE_DHCP is set to 1
+     * but a DHCP server cannot be contacted. */
+    FreeRTOS_IPInit( ucIPAddress, ucNetMask, ucGatewayAddress, ucDNSServerAddress, ucMACAddress );
+
+    /* Start the RTOS scheduler. */
+    vTaskStartScheduler();
+
+    /* If all is well, the scheduler will now be running, and the following
+     * line will never be reached.  If the following line does execute, then
+     * there was insufficient FreeRTOS heap memory available for the idle and/or
+     * timer tasks to be created.  See the memory management section on the
+     * FreeRTOS web site for more details (this is standard text that is not
+     * really applicable to the Win32 simulator port). */
+    for( ; ; )
+    {
+        __debugbreak();
+    }
+}
+/*-----------------------------------------------------------*/
+
+/* Called by FreeRTOS+TCP when the network connects or disconnects.  Disconnect
+ * events are only received if implemented in the MAC driver. */
+void vApplicationIPNetworkEventHook( eIPCallbackEvent_t eNetworkEvent )
+{
+    uint32_t ulIPAddress, ulNetMask, ulGatewayAddress, ulDNSServerAddress;
+    char cBuffer[ 16 ];
+    static BaseType_t xTasksAlreadyCreated = pdFALSE;
+
+    /* If the network has just come up...*/
+    if( eNetworkEvent == eNetworkUp )
+    {
+        /* Create the tasks that use the IP stack if they have not already been
+         * created. */
+        if( xTasksAlreadyCreated == pdFALSE )
+        {
+            /* Demos that use the network are created after the network is
+             * up. */
+            LogInfo( ( "---------STARTING DEMO---------\r\n" ) );
+            vStartOtaDemo();
+            xTasksAlreadyCreated = pdTRUE;
+        }
+
+        /* Print out the network configuration, which may have come from a DHCP
+         * server. */
+        FreeRTOS_GetAddressConfiguration( &ulIPAddress, &ulNetMask, &ulGatewayAddress, &ulDNSServerAddress );
+        FreeRTOS_inet_ntoa( ulIPAddress, cBuffer );
+        LogInfo( ( "\r\n\r\nIP Address: %s\r\n", cBuffer ) );
+
+        FreeRTOS_inet_ntoa( ulNetMask, cBuffer );
+        LogInfo( ( "Subnet Mask: %s\r\n", cBuffer ) );
+
+        FreeRTOS_inet_ntoa( ulGatewayAddress, cBuffer );
+        LogInfo( ( "Gateway Address: %s\r\n", cBuffer ) );
+
+        FreeRTOS_inet_ntoa( ulDNSServerAddress, cBuffer );
+        LogInfo( ( "DNS Server Address: %s\r\n\r\n\r\n", cBuffer ) );
+    }
+}
+/*-----------------------------------------------------------*/
+
+void vAssertCalled( const char * pcFile,
+                    uint32_t ulLine )
+{
+    volatile uint32_t ulBlockVariable = 0UL;
+    volatile char * pcFileName = ( volatile char * ) pcFile;
+    volatile uint32_t ulLineNumber = ulLine;
+
+    ( void ) pcFileName;
+    ( void ) ulLineNumber;
+
+    printf( "vAssertCalled( %s, %u\n", pcFile, ulLine );
+
+    /* Setting ulBlockVariable to a non-zero value in the debugger will allow
+     * this function to be exited. */
+    taskDISABLE_INTERRUPTS();
+    {
+        while( ulBlockVariable == 0UL )
+        {
+            __debugbreak();
+        }
+    }
+    taskENABLE_INTERRUPTS();
+}
+/*-----------------------------------------------------------*/
+
+UBaseType_t uxRand( void )
+{
+    const uint32_t ulMultiplier = 0x015a4e35UL, ulIncrement = 1UL;
+
+    /*
+     * Utility function to generate a pseudo random number.
+     *
+     * !!!NOTE!!!
+     * This is not a secure method of generating a random number.  Production
+     * devices should use a True Random Number Generator (TRNG).
+     */
+    ulNextRand = ( ulMultiplier * ulNextRand ) + ulIncrement;
+    return( ( int ) ( ulNextRand >> 16UL ) & 0x7fffUL );
+}
+/*-----------------------------------------------------------*/
+
+static void prvSRand( UBaseType_t ulSeed )
+{
+    /* Utility function to seed the pseudo random number generator. */
+    ulNextRand = ulSeed;
+}
+/*-----------------------------------------------------------*/
+
+static void prvMiscInitialisation( void )
+{
+    time_t xTimeNow;
+    uint32_t ulLoggingIPAddress;
+
+    ulLoggingIPAddress = FreeRTOS_inet_addr_quick( configUDP_LOGGING_ADDR0, configUDP_LOGGING_ADDR1, configUDP_LOGGING_ADDR2, configUDP_LOGGING_ADDR3 );
+    vLoggingInit( xLogToStdout, xLogToFile, xLogToUDP, ulLoggingIPAddress, configPRINT_PORT );
+
+    /*
+     * Seed random number generator.
+     *
+     * !!!NOTE!!!
+     * This is not a secure method of generating a random number.  Production
+     * devices should use a True Random Number Generator (TRNG).
+     */
+    time( &xTimeNow );
+    LogDebug( ( "Seed for randomizer: %lu\n", xTimeNow ) );
+    prvSRand( ( uint32_t ) xTimeNow );
+    LogDebug( ( "Random numbers: %08X %08X %08X %08X\n", ipconfigRAND32(), ipconfigRAND32(), ipconfigRAND32(), ipconfigRAND32() ) );
+}
+/*-----------------------------------------------------------*/
+
+#if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 ) || ( ipconfigDHCP_REGISTER_HOSTNAME == 1 )
+
+    const char * pcApplicationHostnameHook( void )
+    {
+        /* Assign the name "FreeRTOS" to this network node.  This function will
+         * be called during the DHCP: the machine will be registered with an IP
+         * address plus this name. */
+        return mainHOST_NAME;
+    }
+
+#endif
+/*-----------------------------------------------------------*/
+
+#if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 )
+
+    BaseType_t xApplicationDNSQueryHook( const char * pcName )
+    {
+        BaseType_t xReturn;
+
+        /* Determine if a name lookup is for this node.  Two names are given
+         * to this node: that returned by pcApplicationHostnameHook() and that set
+         * by mainDEVICE_NICK_NAME. */
+        if( _stricmp( pcName, pcApplicationHostnameHook() ) == 0 )
+        {
+            xReturn = pdPASS;
+        }
+        else if( _stricmp( pcName, mainDEVICE_NICK_NAME ) == 0 )
+        {
+            xReturn = pdPASS;
+        }
+        else
+        {
+            xReturn = pdFAIL;
+        }
+
+        return xReturn;
+    }
+
+#endif /* if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 ) */
+/*-----------------------------------------------------------*/
+
+/*
+ * Callback that provides the inputs necessary to generate a randomized TCP
+ * Initial Sequence Number per RFC 6528.  THIS IS ONLY A DUMMY IMPLEMENTATION
+ * THAT RETURNS A PSEUDO RANDOM NUMBER SO IS NOT INTENDED FOR USE IN PRODUCTION
+ * SYSTEMS.
+ */
+extern uint32_t ulApplicationGetNextSequenceNumber( uint32_t ulSourceAddress,
+                                                    uint16_t usSourcePort,
+                                                    uint32_t ulDestinationAddress,
+                                                    uint16_t usDestinationPort )
+{
+    ( void ) ulSourceAddress;
+    ( void ) usSourcePort;
+    ( void ) ulDestinationAddress;
+    ( void ) usDestinationPort;
+
+    return uxRand();
+}
+/*-----------------------------------------------------------*/
+
+/*
+ * Set *pulNumber to a random number, and return pdTRUE. When the random number
+ * generator is broken, it shall return pdFALSE.
+ * The macros ipconfigRAND32() and configRAND32() are not in use
+ * anymore in FreeRTOS+TCP.
+ *
+ * THIS IS ONLY A DUMMY IMPLEMENTATION THAT RETURNS A PSEUDO RANDOM NUMBER SO IS
+ * NOT INTENDED FOR USE IN PRODUCTION SYSTEMS.
+ */
+BaseType_t xApplicationGetRandomNumber( uint32_t * pulNumber )
+{
+    *pulNumber = uxRand();
+    return pdTRUE;
+}
+/*-----------------------------------------------------------*/
+
+/* configUSE_STATIC_ALLOCATION is set to 1, so the application must provide an
+ * implementation of vApplicationGetIdleTaskMemory() to provide the memory that is
+ * used by the Idle task. */
+void vApplicationGetIdleTaskMemory( StaticTask_t ** ppxIdleTaskTCBBuffer,
+                                    StackType_t ** ppxIdleTaskStackBuffer,
+                                    uint32_t * pulIdleTaskStackSize )
+{
+    /* If the buffers to be provided to the Idle task are declared inside this
+     * function then they must be declared static - otherwise they will be allocated on
+     * the stack and so not exists after this function exits. */
+    static StaticTask_t xIdleTaskTCB;
+    static StackType_t uxIdleTaskStack[ configMINIMAL_STACK_SIZE ];
+
+    /* Pass out a pointer to the StaticTask_t structure in which the Idle task's
+     * state will be stored. */
+    *ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
+
+    /* Pass out the array that will be used as the Idle task's stack. */
+    *ppxIdleTaskStackBuffer = uxIdleTaskStack;
+
+    /* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
+     * Note that, as the array is necessarily of type StackType_t,
+     * configMINIMAL_STACK_SIZE is specified in words, not bytes. */
+    *pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
+}
+/*-----------------------------------------------------------*/
+
+/* configUSE_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
+ * application must provide an implementation of vApplicationGetTimerTaskMemory()
+ * to provide the memory that is used by the Timer service task. */
+void vApplicationGetTimerTaskMemory( StaticTask_t ** ppxTimerTaskTCBBuffer,
+                                     StackType_t ** ppxTimerTaskStackBuffer,
+                                     uint32_t * pulTimerTaskStackSize )
+{
+    /* If the buffers to be provided to the Timer task are declared inside this
+     * function then they must be declared static - otherwise they will be allocated on
+     * the stack and so not exists after this function exits. */
+    static StaticTask_t xTimerTaskTCB;
+    static StackType_t uxTimerTaskStack[ configTIMER_TASK_STACK_DEPTH ];
+
+    /* Pass out a pointer to the StaticTask_t structure in which the Timer
+     * task's state will be stored. */
+    *ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
+
+    /* Pass out the array that will be used as the Timer task's stack. */
+    *ppxTimerTaskStackBuffer = uxTimerTaskStack;
+
+    /* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
+     * Note that, as the array is necessarily of type StackType_t,
+     * configMINIMAL_STACK_SIZE is specified in words, not bytes. */
+    *pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
+}
+/*-----------------------------------------------------------*/

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Mqtt_Demo/mbedtls_config.h

@@ -0,0 +1,140 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/* This file configures mbed TLS for FreeRTOS. */
+
+#ifndef MBEDTLS_CONFIG_H_
+#define MBEDTLS_CONFIG_H_
+
+/* FreeRTOS include. */
+#include "FreeRTOS.h"
+
+/* Generate errors if deprecated functions are used. */
+#define MBEDTLS_DEPRECATED_REMOVED
+
+/* Place AES tables in ROM. */
+#define MBEDTLS_AES_ROM_TABLES
+
+/* Enable the following cipher modes. */
+#define MBEDTLS_CIPHER_MODE_CBC
+#define MBEDTLS_CIPHER_MODE_CFB
+#define MBEDTLS_CIPHER_MODE_CTR
+
+/* Enable the following cipher padding modes. */
+#define MBEDTLS_CIPHER_PADDING_PKCS7
+#define MBEDTLS_CIPHER_PADDING_ONE_AND_ZEROS
+#define MBEDTLS_CIPHER_PADDING_ZEROS_AND_LEN
+#define MBEDTLS_CIPHER_PADDING_ZEROS
+
+/* Cipher suite configuration. */
+#define MBEDTLS_REMOVE_ARC4_CIPHERSUITES
+#define MBEDTLS_ECP_DP_SECP256R1_ENABLED
+#define MBEDTLS_ECP_NIST_OPTIM
+#define MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
+#define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
+
+/* Enable all SSL alert messages. */
+#define MBEDTLS_SSL_ALL_ALERT_MESSAGES
+
+/* Enable the following SSL features. */
+#define MBEDTLS_SSL_ENCRYPT_THEN_MAC
+#define MBEDTLS_SSL_EXTENDED_MASTER_SECRET
+#define MBEDTLS_SSL_MAX_FRAGMENT_LENGTH
+#define MBEDTLS_SSL_PROTO_TLS1_2
+#define MBEDTLS_SSL_ALPN
+#define MBEDTLS_SSL_SERVER_NAME_INDICATION
+
+/* Check certificate key usage. */
+#define MBEDTLS_X509_CHECK_KEY_USAGE
+#define MBEDTLS_X509_CHECK_EXTENDED_KEY_USAGE
+#define MBEDTLS_X509_CREATE_C
+#define MBEDTLS_PK_WRITE_C
+#define MBEDTLS_X509_CSR_WRITE_C
+
+/* Disable platform entropy functions. */
+#define MBEDTLS_NO_PLATFORM_ENTROPY
+
+/* Enable the following mbed TLS features. */
+#define MBEDTLS_AES_C
+#define MBEDTLS_ASN1_PARSE_C
+#define MBEDTLS_ASN1_WRITE_C
+#define MBEDTLS_BASE64_C
+#define MBEDTLS_BIGNUM_C
+#define MBEDTLS_CIPHER_C
+#define MBEDTLS_CTR_DRBG_C
+#define MBEDTLS_ECDH_C
+#define MBEDTLS_ECDSA_C
+#define MBEDTLS_ECP_C
+#define MBEDTLS_ENTROPY_C
+#define MBEDTLS_ERROR_C
+#define MBEDTLS_GCM_C
+#define MBEDTLS_MD_C
+#define MBEDTLS_OID_C
+#define MBEDTLS_PEM_PARSE_C
+#define MBEDTLS_PK_C
+#define MBEDTLS_PK_PARSE_C
+#define MBEDTLS_PKCS1_V15
+#define MBEDTLS_PLATFORM_C
+#define MBEDTLS_RSA_C
+#define MBEDTLS_SHA1_C
+#define MBEDTLS_SHA256_C
+#define MBEDTLS_SSL_CLI_C
+#define MBEDTLS_SSL_TLS_C
+#define MBEDTLS_THREADING_ALT
+#define MBEDTLS_THREADING_C
+#define MBEDTLS_X509_USE_C
+#define MBEDTLS_X509_CRT_PARSE_C
+
+/* Set the memory allocation functions on FreeRTOS. */
+void * mbedtls_platform_calloc( size_t nmemb,
+                                size_t size );
+void mbedtls_platform_free( void * ptr );
+#define MBEDTLS_PLATFORM_MEMORY
+#define MBEDTLS_PLATFORM_CALLOC_MACRO    mbedtls_platform_calloc
+#define MBEDTLS_PLATFORM_FREE_MACRO      mbedtls_platform_free
+
+/* The network send and receive functions on FreeRTOS. */
+int mbedtls_platform_send( void * ctx,
+                           const unsigned char * buf,
+                           size_t len );
+int mbedtls_platform_recv( void * ctx,
+                           unsigned char * buf,
+                           size_t len );
+
+/* These two macro used by mbedtls_ssl_set_bio in using_mbedtls network
+ * transport layer. */
+#define MBEDTLS_SSL_SEND mbedtls_platform_send
+#define MBEDTLS_SSL_RECV mbedtls_platform_recv
+
+/* The entropy poll function. */
+int mbedtls_platform_entropy_poll( void * data,
+                                   unsigned char * output,
+                                   size_t len,
+                                   size_t * olen );
+
+#include "mbedtls/check_config.h"
+
+#endif /* ifndef MBEDTLS_CONFIG_H_ */

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Mqtt_Demo/ota_config.h

@@ -0,0 +1,200 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ * https://github.com/FreeRTOS
+ *
+ */
+
+/**
+ * @file ota_config.h
+ * @brief OTA user configurable settings.
+ */
+
+#ifndef OTA_CONFIG_H_
+#define OTA_CONFIG_H_
+
+/**************************************************/
+/******* DO NOT CHANGE the following order ********/
+/**************************************************/
+
+/* Logging related header files are required to be included in the following order:
+ * 1. Include the header file "logging_levels.h".
+ * 2. Define LIBRARY_LOG_NAME and  LIBRARY_LOG_LEVEL.
+ * 3. Include the header file "logging_stack.h".
+ */
+
+/* Include header that defines log levels. */
+#include "logging_levels.h"
+
+/* Configure name and log level for the OTA library. */
+#ifndef LIBRARY_LOG_NAME
+    #define LIBRARY_LOG_NAME     "OTA"
+#endif
+#ifndef LIBRARY_LOG_LEVEL
+    #define LIBRARY_LOG_LEVEL    LOG_INFO
+#endif
+
+
+/* Prototype for the function used to print to console on Windows simulator
+ * of FreeRTOS.
+ * The function prints to the console before the network is connected;
+ * then a UDP port after the network has connected. */
+extern void vLoggingPrintf( const char * pcFormatString,
+                            ... );
+
+/* Map the SdkLog macro to the logging function to enable logging
+ * on Windows simulator. */
+#ifndef SdkLog
+    #define SdkLog( message )    vLoggingPrintf message
+#endif
+
+#include "logging_stack.h"
+
+/************ End of logging configuration ****************/
+
+/**
+ * @brief Log base 2 of the size of the file data block message (excluding the header).
+ *
+ * 10 bits yields a data block size of 1KB.
+ */
+#define otaconfigLOG2_FILE_BLOCK_SIZE           11UL
+
+/**
+ * @brief Size of the file data block message (excluding the header).
+ *
+ */
+#define otaconfigFILE_BLOCK_SIZE                ( 1UL << otaconfigLOG2_FILE_BLOCK_SIZE )
+
+/**
+ * @brief Milliseconds to wait for the self test phase to succeed before we force reset.
+ */
+#define otaconfigSELF_TEST_RESPONSE_WAIT_MS     16000U
+
+/**
+ * @brief Milliseconds to wait before requesting data blocks from the OTA service if nothing is happening.
+ *
+ * The wait timer is reset whenever a data block is received from the OTA service so we will only send
+ * the request message after being idle for this amount of time.
+ */
+#define otaconfigFILE_REQUEST_WAIT_MS           10000U
+
+/**
+ * @brief The maximum allowed length of the thing name used by the OTA agent.
+ *
+ * AWS IoT requires Thing names to be unique for each device that connects to the broker.
+ * Likewise, the OTA agent requires the developer to construct and pass in the Thing name when
+ * initializing the OTA agent. The agent uses this size to allocate static storage for the
+ * Thing name used in all OTA base topics. Namely $aws/things/<thingName>
+ */
+#define otaconfigMAX_THINGNAME_LEN              128U
+
+/**
+ * @brief The maximum number of data blocks requested from OTA streaming service.
+ *
+ *  This configuration parameter is sent with data requests and represents the maximum number of
+ *  data blocks the service will send in response. The maximum limit for this must be calculated
+ *  from the maximum data response limit (128 KB from service) divided by the block size.
+ *  For example if block size is set as 1 KB then the maximum number of data blocks that we can
+ *  request is 128/1 = 128 blocks. Configure this parameter to this maximum limit or lower based on
+ *  how many data blocks response is expected for each data requests.
+ *  Please note that this must be set larger than zero.
+ *
+ */
+#define otaconfigMAX_NUM_BLOCKS_REQUEST         4U
+
+/**
+ * @brief The maximum number of requests allowed to send without a response before we abort.
+ *
+ * This configuration parameter sets the maximum number of times the requests are made over
+ * the selected communication channel before aborting and returning error.
+ *
+ */
+#define otaconfigMAX_NUM_REQUEST_MOMENTUM       32U
+
+/**
+ * @brief The number of data buffers reserved by the OTA agent.
+ *
+ * This configurations parameter sets the maximum number of static data buffers used by
+ * the OTA agent for job and file data blocks received.
+ */
+#define otaconfigMAX_NUM_OTA_DATA_BUFFERS       5U
+
+/**
+ * @brief How frequently the device will report its OTA progress to the cloud.
+ *
+ * Device will update the job status with the number of blocks it has received every certain
+ * number of blocks it receives. For example, 25 means device will update job status every 25 blocks
+ * it receives.
+ */
+#define otaconfigOTA_UPDATE_STATUS_FREQUENCY    25U
+
+
+
+/**
+ * @brief Allow update to same or lower version.
+ *
+ * Set this to 1 to allow downgrade or same version update.This configurations parameter
+ * disables version check and allows update to a same or lower version.This is provided for
+ * testing purpose and it is recommended to always update to higher version and keep this
+ * configuration disabled.
+ */
+#define otaconfigAllowDowngrade           0U
+
+/**
+ * @brief The protocol selected for OTA control operations.
+ *
+ * This configurations parameter sets the default protocol for all the OTA control
+ * operations like requesting OTA job, updating the job status etc.
+ *
+ * Note - Only MQTT is supported at this time for control operations.
+ */
+#define configENABLED_CONTROL_PROTOCOL    ( OTA_CONTROL_OVER_MQTT )
+
+/**
+ * @brief The protocol selected for OTA data operations.
+ *
+ * This configurations parameter sets the protocols selected for the data operations
+ * like requesting file blocks from the service.
+ *
+ * Note - Both MQTT and HTTP is supported for data transfer from service. This configuration parameter
+ * can be set to following -
+ * Enable data over MQTT - ( OTA_DATA_OVER_MQTT )
+ * Enable data over HTTP - ( OTA_DATA_OVER_HTTP)
+ * 
+ * Note - Please check the OTA over HTTP demo which has the HTTP data transfer functionality and 
+ * and this configuration is set to OTA_DATA_OVER_HTTP.
+ */
+#define configENABLED_DATA_PROTOCOLS      ( OTA_DATA_OVER_MQTT )
+
+/**
+ * @brief The preferred protocol selected for OTA data operations.
+ *
+ * Primary data protocol will be the protocol used for downloading file if more than
+ * one protocol is selected while creating OTA job. Default primary data protocol is MQTT
+ * and following update here to switch to HTTP as primary.
+ *
+ * Note - use OTA_DATA_OVER_HTTP for HTTP as primary data protocol.
+ */
+
+#define configOTA_PRIMARY_DATA_PROTOCOL    ( OTA_DATA_OVER_MQTT )
+
+#endif /* OTA_CONFIG_H_ */

FreeRTOS-Plus/Demo/AWS/Ota_Windows_Simulator/Ota_Over_Mqtt_Demo/ota_over_mqtt_demo.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29215.179
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "RTOSDemo", "WIN32.vcxproj", "{C686325E-3261-42F7-AEB1-DDE5280E1CEB}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C686325E-3261-42F7-AEB1-DDE5280E1CEB}.Debug|Win32.ActiveCfg = Debug|Win32
+		{C686325E-3261-42F7-AEB1-DDE5280E1CEB}.Debug|Win32.Build.0 = Debug|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {150F08BF-9D61-4CC2-8DBF-1335172A1EA4}
+	EndGlobalSection
+	GlobalSection(TestCaseManagementSettings) = postSolution
+		CategoryFile = FreeRTOS_Plus_TCP_Minimal.vsmdi
+	EndGlobalSection
+EndGlobal

FreeRTOS-Plus/Demo/Also_See_More_FreeRTOS+TCP_and_FreeRTOS_FAT_in_the_lab.url

@@ -0,0 +1,5 @@
+[{000214A0-0000-0000-C000-000000000046}]
+Prop3=19,2
+[InternetShortcut]
+URL=http://www.freertos.org/labs
+IDList=

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/Common/FreeRTOS_TCP_server.c

@@ -0,0 +1,353 @@
+/*
+ * FreeRTOS+TCP V2.0.3
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+
+/* Standard includes. */
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* FreeRTOS+TCP includes. */
+#include "FreeRTOS_IP.h"
+#include "FreeRTOS_Sockets.h"
+#include "FreeRTOS_TCP_server.h"
+#include "FreeRTOS_server_private.h"
+
+/* Remove the entire file if TCP is not being used. */
+#if( ipconfigUSE_TCP == 1 ) && ( ( ipconfigUSE_HTTP == 1 ) || ( ipconfigUSE_FTP == 1 ) )
+
+#if !defined( ARRAY_SIZE )
+	#define ARRAY_SIZE(x) ( BaseType_t ) (sizeof( x ) / sizeof( x )[ 0 ] )
+#endif
+
+
+static void prvReceiveNewClient( TCPServer_t *pxServer, BaseType_t xIndex, Socket_t xNexSocket );
+static char *strnew( const char *pcString );
+/* Remove slashes at the end of a path. */
+static void prvRemoveSlash( char *pcDir );
+
+TCPServer_t *FreeRTOS_CreateTCPServer( const struct xSERVER_CONFIG *pxConfigs, BaseType_t xCount )
+{
+TCPServer_t *pxServer;
+SocketSet_t xSocketSet;
+
+	/* Create a new server.
+	xPort / xPortAlt : Make the service available on 1 or 2 public port numbers. */
+	xSocketSet = FreeRTOS_CreateSocketSet();
+
+	if( xSocketSet != NULL )
+	{
+	BaseType_t xSize;
+
+		xSize = sizeof( *pxServer ) - sizeof( pxServer->xServers ) + xCount * sizeof( pxServer->xServers[ 0 ] );
+
+		pxServer = ( TCPServer_t * ) pvPortMallocLarge( xSize );
+		if( pxServer != NULL )
+		{
+		struct freertos_sockaddr xAddress;
+		BaseType_t xNoTimeout = 0;
+		BaseType_t xIndex;
+
+			memset( pxServer, '\0', xSize );
+			pxServer->xServerCount = xCount;
+			pxServer->xSocketSet = xSocketSet;
+
+			for( xIndex = 0; xIndex < xCount; xIndex++ )
+			{
+			BaseType_t xPortNumber = pxConfigs[ xIndex ].xPortNumber;
+
+				if( xPortNumber > 0 )
+				{
+				Socket_t xSocket;
+
+					xSocket = FreeRTOS_socket( FREERTOS_AF_INET, FREERTOS_SOCK_STREAM, FREERTOS_IPPROTO_TCP );
+					FreeRTOS_printf( ( "TCP socket on port %d\n", ( int )xPortNumber ) );
+
+					if( xSocket != FREERTOS_INVALID_SOCKET )
+					{
+						xAddress.sin_addr = FreeRTOS_GetIPAddress(); // Single NIC, currently not used
+						xAddress.sin_port = FreeRTOS_htons( xPortNumber );
+
+						FreeRTOS_bind( xSocket, &xAddress, sizeof( xAddress ) );
+						FreeRTOS_listen( xSocket, pxConfigs[ xIndex ].xBackLog );
+
+						FreeRTOS_setsockopt( xSocket, 0, FREERTOS_SO_RCVTIMEO, ( void * ) &xNoTimeout, sizeof( BaseType_t ) );
+						FreeRTOS_setsockopt( xSocket, 0, FREERTOS_SO_SNDTIMEO, ( void * ) &xNoTimeout, sizeof( BaseType_t ) );
+
+						#if( ipconfigHTTP_RX_BUFSIZE > 0 )
+						{
+							if( pxConfigs[ xIndex ].eType == eSERVER_HTTP )
+							{
+							WinProperties_t xWinProps;
+
+								memset( &xWinProps, '\0', sizeof( xWinProps ) );
+								/* The parent socket itself won't get connected.  The properties below
+								will be inherited by each new child socket. */
+								xWinProps.lTxBufSize = ipconfigHTTP_TX_BUFSIZE;
+								xWinProps.lTxWinSize = ipconfigHTTP_TX_WINSIZE;
+								xWinProps.lRxBufSize = ipconfigHTTP_RX_BUFSIZE;
+								xWinProps.lRxWinSize = ipconfigHTTP_RX_WINSIZE;
+
+								/* Set the window and buffer sizes. */
+								FreeRTOS_setsockopt( xSocket, 0, FREERTOS_SO_WIN_PROPERTIES, ( void * ) &xWinProps,	sizeof( xWinProps ) );
+							}
+						}
+						#endif
+
+						FreeRTOS_FD_SET( xSocket, xSocketSet, eSELECT_READ|eSELECT_EXCEPT );
+						pxServer->xServers[ xIndex ].xSocket = xSocket;
+						pxServer->xServers[ xIndex ].eType = pxConfigs[ xIndex ].eType;
+						pxServer->xServers[ xIndex ].pcRootDir = strnew( pxConfigs[ xIndex ].pcRootDir );
+						prvRemoveSlash( ( char * ) pxServer->xServers[ xIndex ].pcRootDir );
+					}
+				}
+			}
+		}
+		else
+		{
+			/* Could not allocate the server, delete the socket set */
+			FreeRTOS_DeleteSocketSet( xSocketSet );
+		}
+	}
+	else
+	{
+		/* Could not create a socket set, return NULL */
+		pxServer = NULL;
+	}
+
+	return pxServer;
+}
+/*-----------------------------------------------------------*/
+
+static void prvReceiveNewClient( TCPServer_t *pxServer, BaseType_t xIndex, Socket_t xNexSocket )
+{
+TCPClient_t *pxClient = NULL;
+BaseType_t xSize = 0;
+FTCPWorkFunction fWorkFunc = NULL;
+FTCPDeleteFunction fDeleteFunc = NULL;
+const char *pcType = "Unknown";
+
+	/*_RB_ Can the work and delete functions be part of the xSERVER_CONFIG structure
+	becomes generic, with no pre-processing required? */
+	#if( ipconfigUSE_HTTP != 0 )
+	{
+		if( pxServer->xServers[ xIndex ].eType == eSERVER_HTTP )
+		{
+			xSize = sizeof( HTTPClient_t );
+			fWorkFunc = xHTTPClientWork;
+			fDeleteFunc = vHTTPClientDelete;
+			pcType = "HTTP";
+		}
+	}
+	#endif /* ipconfigUSE_HTTP != 0 */
+
+	#if( ipconfigUSE_FTP != 0 )
+	{
+		if( pxServer->xServers[ xIndex ].eType == eSERVER_FTP )
+		{
+			xSize = sizeof( FTPClient_t );
+			fWorkFunc = xFTPClientWork;
+			fDeleteFunc = vFTPClientDelete;
+			pcType = "FTP";
+		}
+	}
+	#endif /* ipconfigUSE_FTP != 0 */
+
+	/* Malloc enough space for a new HTTP-client */
+	if( xSize )
+	{
+		pxClient = ( TCPClient_t* ) pvPortMallocLarge( xSize );
+	}
+
+	if( pxClient != NULL )
+	{
+		memset( pxClient, '\0', xSize );
+
+		/* Put the new client in front of the list. */
+		pxClient->eType = pxServer->xServers[ xIndex ].eType;
+		pxClient->pcRootDir = pxServer->xServers[ xIndex ].pcRootDir;
+		pxClient->pxParent = pxServer;
+		pxClient->xSocket = xNexSocket;
+		pxClient->pxNextClient = pxServer->pxClients;
+		pxClient->fWorkFunction = fWorkFunc;
+		pxClient->fDeleteFunction = fDeleteFunc;
+		pxServer->pxClients = pxClient;
+
+		FreeRTOS_FD_SET( xNexSocket, pxServer->xSocketSet, eSELECT_READ|eSELECT_EXCEPT );
+	}
+	else
+	{
+		pcType = "closed";
+		FreeRTOS_closesocket( xNexSocket );
+	}
+	{
+	struct freertos_sockaddr xRemoteAddress;
+		FreeRTOS_GetRemoteAddress( pxClient->xSocket, &xRemoteAddress );
+		FreeRTOS_printf( ( "TPC-server: new %s client %xip\n", pcType, (unsigned)FreeRTOS_ntohl( xRemoteAddress.sin_addr ) ) );
+	}
+
+	/* Remove compiler warnings in case FreeRTOS_printf() is not used. */
+	( void ) pcType;
+}
+/*-----------------------------------------------------------*/
+
+void FreeRTOS_TCPServerWork( TCPServer_t *pxServer, TickType_t xBlockingTime )
+{
+TCPClient_t **ppxClient;
+BaseType_t xIndex;
+BaseType_t xRc;
+
+	/* Let the server do one working cycle */
+	xRc = FreeRTOS_select( pxServer->xSocketSet, xBlockingTime );
+
+	if( xRc != 0 )
+	{
+		for( xIndex = 0; xIndex < pxServer->xServerCount; xIndex++ )
+		{
+		struct freertos_sockaddr xAddress;
+		Socket_t xNexSocket;
+		socklen_t xSocketLength;
+
+			if( pxServer->xServers[ xIndex ].xSocket == FREERTOS_NO_SOCKET )
+			{
+				continue;
+			}
+
+			xSocketLength = sizeof( xAddress );
+			xNexSocket = FreeRTOS_accept( pxServer->xServers[ xIndex ].xSocket, &xAddress, &xSocketLength);
+
+			if( ( xNexSocket != FREERTOS_NO_SOCKET ) && ( xNexSocket != FREERTOS_INVALID_SOCKET ) )
+			{
+				prvReceiveNewClient( pxServer, xIndex, xNexSocket );
+			}
+		}
+	}
+
+	ppxClient = &pxServer->pxClients;
+
+	while( ( * ppxClient ) != NULL )
+	{
+	TCPClient_t *pxThis = *ppxClient;
+
+		/* Almost C++ */
+		xRc = pxThis->fWorkFunction( pxThis );
+
+		if (xRc < 0 )
+		{
+			*ppxClient = pxThis->pxNextClient;
+			/* Close handles, resources */
+			pxThis->fDeleteFunction( pxThis );
+			/* Free the space */
+			vPortFreeLarge( pxThis );
+		}
+		else
+		{
+			ppxClient = &( pxThis->pxNextClient );
+		}
+	}
+}
+/*-----------------------------------------------------------*/
+
+static char *strnew( const char *pcString )
+{
+BaseType_t xLength;
+char *pxBuffer;
+
+	xLength = strlen( pcString ) + 1;
+	pxBuffer = ( char * ) pvPortMalloc( xLength );
+	if( pxBuffer != NULL )
+	{
+		memcpy( pxBuffer, pcString, xLength );
+	}
+
+	return pxBuffer;
+}
+/*-----------------------------------------------------------*/
+
+static void prvRemoveSlash( char *pcDir )
+{
+BaseType_t xLength = strlen( pcDir );
+
+	while( ( xLength > 0 ) && ( pcDir[ xLength - 1 ] == '/' ) )
+	{
+		pcDir[ --xLength ] = '\0';
+	}
+}
+/*-----------------------------------------------------------*/
+
+#if( ipconfigSUPPORT_SIGNALS != 0 )
+
+	/* FreeRTOS_TCPServerWork() calls select().
+	The two functions below provide a possibility to interrupt
+	the call to select(). After the interruption, resume
+	by calling FreeRTOS_TCPServerWork() again. */
+	BaseType_t FreeRTOS_TCPServerSignal( TCPServer_t *pxServer )
+	{
+	BaseType_t xIndex;
+	BaseType_t xResult = pdFALSE;
+		for( xIndex = 0; xIndex < pxServer->xServerCount; xIndex++ )
+		{
+			if( pxServer->xServers[ xIndex ].xSocket != FREERTOS_NO_SOCKET )
+			{
+				FreeRTOS_SignalSocket( pxServer->xServers[ xIndex ].xSocket );
+				xResult = pdTRUE;
+				break;
+			}
+		}
+
+		return xResult;
+	}
+
+#endif /* ipconfigSUPPORT_SIGNALS */
+/*-----------------------------------------------------------*/
+
+#if( ipconfigSUPPORT_SIGNALS != 0 )
+
+	/* Same as above: this function may be called from an ISR,
+	for instance a GPIO interrupt. */
+	BaseType_t FreeRTOS_TCPServerSignalFromISR( TCPServer_t *pxServer, BaseType_t *pxHigherPriorityTaskWoken )
+	{
+	BaseType_t xIndex;
+	BaseType_t xResult = pdFALSE;
+		for( xIndex = 0; xIndex < pxServer->xServerCount; xIndex++ )
+		{
+			if( pxServer->xServers[ xIndex ].xSocket != FREERTOS_NO_SOCKET )
+			{
+				FreeRTOS_SignalSocketFromISR( pxServer->xServers[ xIndex ].xSocket, pxHigherPriorityTaskWoken );
+				xResult = pdTRUE;
+				break;
+			}
+		}
+
+		return xResult;
+	}
+#endif /* ipconfigSUPPORT_SIGNALS */
+/*-----------------------------------------------------------*/
+
+#endif /* ( ipconfigUSE_TCP == 1 ) && ( ( ipconfigUSE_HTTP == 1 ) || ( ipconfigUSE_FTP == 1 ) ) */

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/FTP/FreeRTOS_FTP_commands.c

@@ -0,0 +1,74 @@
+/*
+ * FreeRTOS+TCP V2.0.3
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+
+/* FreeRTOS+TCP includes. */
+#include "FreeRTOS_FTP_commands.h"
+
+const FTPCommand_t xFTPCommands[ FTP_CMD_COUNT ] =
+{
+/* cmdLen cmdName[7]    cmdType  checkLogin checkNullArg */
+	{ 4, "USER",		ECMD_USER, pdFALSE, pdFALSE },
+	{ 4, "PASS",		ECMD_PASS, pdFALSE, pdFALSE },
+	{ 4, "ACCT",		ECMD_ACCT,	pdTRUE, pdFALSE },
+	{ 3,  "CWD",		ECMD_CWD,	pdTRUE, pdTRUE },
+	{ 4, "CDUP",		ECMD_CDUP,	pdTRUE, pdFALSE },
+	{ 4, "SMNT",		ECMD_SMNT,	pdTRUE, pdFALSE },
+	{ 4, "QUIT",		ECMD_QUIT,	pdTRUE, pdFALSE },
+	{ 4, "REIN",		ECMD_REIN,	pdTRUE, pdFALSE },
+	{ 4, "PORT",		ECMD_PORT,	pdTRUE, pdFALSE },
+	{ 4, "PASV",		ECMD_PASV,	pdTRUE, pdFALSE },
+	{ 4, "TYPE",		ECMD_TYPE,	pdTRUE, pdFALSE },
+	{ 4, "STRU",		ECMD_STRU,	pdTRUE, pdFALSE },
+	{ 4, "MODE",		ECMD_MODE,	pdTRUE, pdFALSE },
+	{ 4, "RETR",		ECMD_RETR,	pdTRUE, pdTRUE },
+	{ 4, "STOR",		ECMD_STOR,	pdTRUE, pdTRUE },
+	{ 4, "STOU",		ECMD_STOU,	pdTRUE, pdFALSE },
+	{ 4, "APPE",		ECMD_APPE,	pdTRUE, pdFALSE },
+	{ 4, "ALLO",		ECMD_ALLO,	pdTRUE, pdFALSE },
+	{ 4, "REST",		ECMD_REST,	pdTRUE, pdFALSE },
+	{ 4, "RNFR",		ECMD_RNFR,	pdTRUE, pdTRUE },
+	{ 4, "RNTO",		ECMD_RNTO,	pdTRUE, pdTRUE },
+	{ 4, "ABOR",		ECMD_ABOR,	pdTRUE, pdFALSE },
+	{ 4, "SIZE",		ECMD_SIZE,	pdTRUE, pdTRUE },
+	{ 4, "MDTM",		ECMD_MDTM,	pdTRUE, pdTRUE },
+	{ 4, "DELE",		ECMD_DELE,	pdTRUE, pdTRUE },
+	{ 3,  "RMD",		ECMD_RMD,	pdTRUE, pdTRUE },
+	{ 3,  "MKD",		ECMD_MKD,	pdTRUE, pdTRUE },
+	{ 3,  "PWD",		ECMD_PWD,	pdTRUE, pdFALSE },
+	{ 4, "LIST",		ECMD_LIST,	pdTRUE, pdFALSE },
+	{ 4, "NLST",		ECMD_NLST,	pdTRUE, pdFALSE },
+	{ 4, "SITE",		ECMD_SITE,	pdTRUE, pdFALSE },
+	{ 4, "SYST",		ECMD_SYST,	pdFALSE, pdFALSE },
+	{ 4, "FEAT",		ECMD_FEAT,	pdFALSE, pdFALSE },
+	{ 4, "STAT",		ECMD_STAT,	pdTRUE, pdFALSE },
+	{ 4, "HELP",		ECMD_HELP,	pdFALSE, pdFALSE },
+	{ 4, "NOOP",		ECMD_NOOP,	pdFALSE, pdFALSE },
+	{ 4, "EMPT",		ECMD_EMPTY,	pdFALSE, pdFALSE },
+	{ 4, "CLOS",		ECMD_CLOSE,	pdTRUE, pdFALSE },
+	{ 4, "UNKN",		ECMD_UNKNOWN, pdFALSE, pdFALSE },
+};

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/FTP/readme.txt

@@ -0,0 +1,2 @@
+The protocols implemented in this directory are intended to be demo quality
+examples only.  They are not intended for inclusion in production devices.

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/HTTP_Server/FreeRTOS_HTTP_commands.c

@@ -0,0 +1,76 @@
+/*
+ *!
+ *! The protocols implemented in this file are intended to be demo quality only,
+ *! and not for production devices.
+ *!
+ *
+ * FreeRTOS+TCP V2.0.3
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+
+/* Standard includes. */
+#include <stdio.h>
+#include <stdlib.h>
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+
+#include "FreeRTOS_HTTP_commands.h"
+
+const struct xWEB_COMMAND xWebCommands[ WEB_CMD_COUNT ] =
+{
+	{	3,     "GET",		ECMD_GET },
+	{	4,    "HEAD",		ECMD_HEAD },
+	{	4,    "POST",		ECMD_POST },
+	{	3,     "PUT",		ECMD_PUT },
+	{	6,  "DELETE",		ECMD_DELETE },
+	{	5,   "TRACE",		ECMD_TRACE },
+	{	7, "OPTIONS",		ECMD_OPTIONS },
+	{	7, "CONNECT",		ECMD_CONNECT },
+	{	5,   "PATCH",		ECMD_PATCH },
+	{	4,    "UNKN",		ECMD_UNK },
+};
+
+const char *webCodename (int aCode)
+{
+	switch (aCode) {
+	case WEB_REPLY_OK:	//  = 200,
+		return "OK";
+	case WEB_NO_CONTENT:    // 204
+		return "No content";
+	case WEB_BAD_REQUEST:	//  = 400,
+		return "Bad request";
+	case WEB_UNAUTHORIZED:	//  = 401,
+		return "Authorization Required";
+	case WEB_NOT_FOUND:	//  = 404,
+		return "Not Found";
+	case WEB_GONE:	//  = 410,
+		return "Done";
+	case WEB_PRECONDITION_FAILED:	//  = 412,
+		return "Precondition Failed";
+	case WEB_INTERNAL_SERVER_ERROR:	//  = 500,
+		return "Internal Server Error";
+	}
+	return "Unknown";
+}

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/HTTP_Server/FreeRTOS_HTTP_server.c

@@ -0,0 +1,433 @@
+/*
+ *!
+ *! The protocols implemented in this file are intended to be demo quality only,
+ *! and not for production devices.
+ *!
+ *
+ * FreeRTOS+TCP V2.0.3
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+/* Standard includes. */
+#include <stdio.h>
+#include <stdlib.h>
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* FreeRTOS+TCP includes. */
+#include "FreeRTOS_IP.h"
+#include "FreeRTOS_Sockets.h"
+
+/* FreeRTOS Protocol includes. */
+#include "FreeRTOS_HTTP_commands.h"
+#include "FreeRTOS_TCP_server.h"
+#include "FreeRTOS_server_private.h"
+
+/* Remove the whole file if HTTP is not supported. */
+#if( ipconfigUSE_HTTP == 1 )
+
+/* FreeRTOS+FAT includes. */
+#include "ff_stdio.h"
+
+#ifndef HTTP_SERVER_BACKLOG
+	#define HTTP_SERVER_BACKLOG			( 12 )
+#endif
+
+#ifndef USE_HTML_CHUNKS
+	#define USE_HTML_CHUNKS				( 0 )
+#endif
+
+#if !defined( ARRAY_SIZE )
+	#define ARRAY_SIZE(x) ( BaseType_t ) (sizeof( x ) / sizeof( x )[ 0 ] )
+#endif
+
+/* Some defines to make the code more readbale */
+#define pcCOMMAND_BUFFER	pxClient->pxParent->pcCommandBuffer
+#define pcNEW_DIR			pxClient->pxParent->pcNewDir
+#define pcFILE_BUFFER		pxClient->pxParent->pcFileBuffer
+
+#ifndef ipconfigHTTP_REQUEST_CHARACTER
+	#define ipconfigHTTP_REQUEST_CHARACTER		'?'
+#endif
+
+/*_RB_ Need comment block, although fairly self evident. */
+static void prvFileClose( HTTPClient_t *pxClient );
+static BaseType_t prvProcessCmd( HTTPClient_t *pxClient, BaseType_t xIndex );
+static const char *pcGetContentsType( const char *apFname );
+static BaseType_t prvOpenURL( HTTPClient_t *pxClient );
+static BaseType_t prvSendFile( HTTPClient_t *pxClient );
+static BaseType_t prvSendReply( HTTPClient_t *pxClient, BaseType_t xCode );
+
+static const char pcEmptyString[1] = { '\0' };
+
+typedef struct xTYPE_COUPLE
+{
+	const char *pcExtension;
+	const char *pcType;
+} TypeCouple_t;
+
+static TypeCouple_t pxTypeCouples[ ] =
+{
+	{ "html", "text/html" },
+	{ "css",  "text/css" },
+	{ "js",   "text/javascript" },
+	{ "png",  "image/png" },
+	{ "jpg",  "image/jpeg" },
+	{ "gif",  "image/gif" },
+	{ "txt",  "text/plain" },
+	{ "mp3",  "audio/mpeg3" },
+	{ "wav",  "audio/wav" },
+	{ "flac", "audio/ogg" },
+	{ "pdf",  "application/pdf" },
+	{ "ttf",  "application/x-font-ttf" },
+	{ "ttc",  "application/x-font-ttf" }
+};
+
+void vHTTPClientDelete( TCPClient_t *pxTCPClient )
+{
+HTTPClient_t *pxClient = ( HTTPClient_t * ) pxTCPClient;
+
+	/* This HTTP client stops, close / release all resources. */
+	if( pxClient->xSocket != FREERTOS_NO_SOCKET )
+	{
+		FreeRTOS_FD_CLR( pxClient->xSocket, pxClient->pxParent->xSocketSet, eSELECT_ALL );
+		FreeRTOS_closesocket( pxClient->xSocket );
+		pxClient->xSocket = FREERTOS_NO_SOCKET;
+	}
+	prvFileClose( pxClient );
+}
+/*-----------------------------------------------------------*/
+
+static void prvFileClose( HTTPClient_t *pxClient )
+{
+	if( pxClient->pxFileHandle != NULL )
+	{
+		FreeRTOS_printf( ( "Closing file: %s\n", pxClient->pcCurrentFilename ) );
+		ff_fclose( pxClient->pxFileHandle );
+		pxClient->pxFileHandle = NULL;
+	}
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t prvSendReply( HTTPClient_t *pxClient, BaseType_t xCode )
+{
+struct xTCP_SERVER *pxParent = pxClient->pxParent;
+BaseType_t xRc;
+
+	/* A normal command reply on the main socket (port 21). */
+	char *pcBuffer = pxParent->pcFileBuffer;
+
+	xRc = snprintf( pcBuffer, sizeof( pxParent->pcFileBuffer ),
+		"HTTP/1.1 %d %s\r\n"
+#if	USE_HTML_CHUNKS
+		"Transfer-Encoding: chunked\r\n"
+#endif
+		"Content-Type: %s\r\n"
+		"Connection: keep-alive\r\n"
+		"%s\r\n",
+		( int ) xCode,
+		webCodename (xCode),
+		pxParent->pcContentsType[0] ? pxParent->pcContentsType : "text/html",
+		pxParent->pcExtraContents );
+
+	pxParent->pcContentsType[0] = '\0';
+	pxParent->pcExtraContents[0] = '\0';
+
+	xRc = FreeRTOS_send( pxClient->xSocket, ( const void * ) pcBuffer, xRc, 0 );
+	pxClient->bits.bReplySent = pdTRUE_UNSIGNED;
+
+	return xRc;
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t prvSendFile( HTTPClient_t *pxClient )
+{
+size_t uxSpace;
+size_t uxCount;
+BaseType_t xRc = 0;
+
+	if( pxClient->bits.bReplySent == pdFALSE_UNSIGNED )
+	{
+		pxClient->bits.bReplySent = pdTRUE_UNSIGNED;
+
+		strcpy( pxClient->pxParent->pcContentsType, pcGetContentsType( pxClient->pcCurrentFilename ) );
+		snprintf( pxClient->pxParent->pcExtraContents, sizeof( pxClient->pxParent->pcExtraContents ),
+			"Content-Length: %d\r\n", ( int ) pxClient->uxBytesLeft );
+
+		/* "Requested file action OK". */
+		xRc = prvSendReply( pxClient, WEB_REPLY_OK );
+	}
+
+	if( xRc >= 0 ) do
+	{
+		uxSpace = FreeRTOS_tx_space( pxClient->xSocket );
+
+		if( pxClient->uxBytesLeft < uxSpace )
+		{
+			uxCount = pxClient->uxBytesLeft;
+		}
+		else
+		{
+			uxCount = uxSpace;
+		}
+
+		if( uxCount > 0u )
+		{
+			if( uxCount > sizeof( pxClient->pxParent->pcFileBuffer ) )
+			{
+				uxCount = sizeof( pxClient->pxParent->pcFileBuffer );
+			}
+			ff_fread( pxClient->pxParent->pcFileBuffer, 1, uxCount, pxClient->pxFileHandle );
+			pxClient->uxBytesLeft -= uxCount;
+
+			xRc = FreeRTOS_send( pxClient->xSocket, pxClient->pxParent->pcFileBuffer, uxCount, 0 );
+			if( xRc < 0 )
+			{
+				break;
+			}
+		}
+	} while( uxCount > 0u );
+
+	if( pxClient->uxBytesLeft == 0u )
+	{
+		/* Writing is ready, no need for further 'eSELECT_WRITE' events. */
+		FreeRTOS_FD_CLR( pxClient->xSocket, pxClient->pxParent->xSocketSet, eSELECT_WRITE );
+		prvFileClose( pxClient );
+	}
+	else
+	{
+		/* Wake up the TCP task as soon as this socket may be written to. */
+		FreeRTOS_FD_SET( pxClient->xSocket, pxClient->pxParent->xSocketSet, eSELECT_WRITE );
+	}
+
+	return xRc;
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t prvOpenURL( HTTPClient_t *pxClient )
+{
+BaseType_t xRc;
+char pcSlash[ 2 ];
+
+	pxClient->bits.ulFlags = 0;
+
+	#if( ipconfigHTTP_HAS_HANDLE_REQUEST_HOOK != 0 )
+	{
+		if( strchr( pxClient->pcUrlData, ipconfigHTTP_REQUEST_CHARACTER ) != NULL )
+		{
+		size_t xResult;
+
+			xResult = uxApplicationHTTPHandleRequestHook( pxClient->pcUrlData, pxClient->pcCurrentFilename, sizeof( pxClient->pcCurrentFilename ) );
+			if( xResult > 0 )
+			{
+				strcpy( pxClient->pxParent->pcContentsType, "text/html" );
+				snprintf( pxClient->pxParent->pcExtraContents, sizeof( pxClient->pxParent->pcExtraContents ),
+					"Content-Length: %d\r\n", ( int ) xResult );
+				xRc = prvSendReply( pxClient, WEB_REPLY_OK );	/* "Requested file action OK" */
+				if( xRc > 0 )
+				{
+					xRc = FreeRTOS_send( pxClient->xSocket, pxClient->pcCurrentFilename, xResult, 0 );
+				}
+				/* Although against the coding standard of FreeRTOS, a return is
+				done here  to simplify this conditional code. */
+				return xRc;
+			}
+		}
+	}
+	#endif /* ipconfigHTTP_HAS_HANDLE_REQUEST_HOOK */
+
+	if( pxClient->pcUrlData[ 0 ] != '/' )
+	{
+		/* Insert a slash before the file name. */
+		pcSlash[ 0 ] = '/';
+		pcSlash[ 1 ] = '\0';
+	}
+	else
+	{
+		/* The browser provided a starting '/' already. */
+		pcSlash[ 0 ] = '\0';
+	}
+	snprintf( pxClient->pcCurrentFilename, sizeof( pxClient->pcCurrentFilename ), "%s%s%s",
+		pxClient->pcRootDir,
+		pcSlash,
+		pxClient->pcUrlData);
+
+	pxClient->pxFileHandle = ff_fopen( pxClient->pcCurrentFilename, "rb" );
+
+	FreeRTOS_printf( ( "Open file '%s': %s\n", pxClient->pcCurrentFilename,
+		pxClient->pxFileHandle != NULL ? "Ok" : strerror( stdioGET_ERRNO() ) ) );
+
+	if( pxClient->pxFileHandle == NULL )
+	{
+		/* "404 File not found". */
+		xRc = prvSendReply( pxClient, WEB_NOT_FOUND );
+	}
+	else
+	{
+		pxClient->uxBytesLeft = ( size_t ) pxClient->pxFileHandle->ulFileSize;
+		xRc = prvSendFile( pxClient );
+	}
+
+	return xRc;
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t prvProcessCmd( HTTPClient_t *pxClient, BaseType_t xIndex )
+{
+BaseType_t xResult = 0;
+
+	/* A new command has been received. Process it. */
+	switch( xIndex )
+	{
+	case ECMD_GET:
+		xResult = prvOpenURL( pxClient );
+		break;
+
+	case ECMD_HEAD:
+	case ECMD_POST:
+	case ECMD_PUT:
+	case ECMD_DELETE:
+	case ECMD_TRACE:
+	case ECMD_OPTIONS:
+	case ECMD_CONNECT:
+	case ECMD_PATCH:
+	case ECMD_UNK:
+		{
+			FreeRTOS_printf( ( "prvProcessCmd: Not implemented: %s\n",
+				xWebCommands[xIndex].pcCommandName ) );
+		}
+		break;
+	}
+
+	return xResult;
+}
+/*-----------------------------------------------------------*/
+
+BaseType_t xHTTPClientWork( TCPClient_t *pxTCPClient )
+{
+BaseType_t xRc;
+HTTPClient_t *pxClient = ( HTTPClient_t * ) pxTCPClient;
+
+	if( pxClient->pxFileHandle != NULL )
+	{
+		prvSendFile( pxClient );
+	}
+
+	xRc = FreeRTOS_recv( pxClient->xSocket, ( void * )pcCOMMAND_BUFFER, sizeof( pcCOMMAND_BUFFER ), 0 );
+
+	if( xRc > 0 )
+	{
+	BaseType_t xIndex;
+	const char *pcEndOfCmd;
+	const struct xWEB_COMMAND *curCmd;
+	char *pcBuffer = pcCOMMAND_BUFFER;
+
+		if( xRc < ( BaseType_t ) sizeof( pcCOMMAND_BUFFER ) )
+		{
+			pcBuffer[ xRc ] = '\0';
+		}
+		while( xRc && ( pcBuffer[ xRc - 1 ] == 13 || pcBuffer[ xRc - 1 ] == 10 ) )
+		{
+			pcBuffer[ --xRc ] = '\0';
+		}
+		pcEndOfCmd = pcBuffer + xRc;
+
+		curCmd = xWebCommands;
+
+		/* Pointing to "/index.html HTTP/1.1". */
+		pxClient->pcUrlData = pcBuffer;
+
+		/* Pointing to "HTTP/1.1". */
+		pxClient->pcRestData = pcEmptyString;
+
+		/* Last entry is "ECMD_UNK". */
+		for( xIndex = 0; xIndex < WEB_CMD_COUNT - 1; xIndex++, curCmd++ )
+		{
+		BaseType_t xLength;
+
+			xLength = curCmd->xCommandLength;
+			if( ( xRc >= xLength ) && ( memcmp( curCmd->pcCommandName, pcBuffer, xLength ) == 0 ) )
+			{
+			char *pcLastPtr;
+
+				pxClient->pcUrlData += xLength + 1;
+				for( pcLastPtr = (char *)pxClient->pcUrlData; pcLastPtr < pcEndOfCmd; pcLastPtr++ )
+				{
+					char ch = *pcLastPtr;
+					if( ( ch == '\0' ) || ( strchr( "\n\r \t", ch ) != NULL ) )
+					{
+						*pcLastPtr = '\0';
+						pxClient->pcRestData = pcLastPtr + 1;
+						break;
+					}
+				}
+				break;
+			}
+		}
+
+		if( xIndex < ( WEB_CMD_COUNT - 1 ) )
+		{
+			xRc = prvProcessCmd( pxClient, xIndex );
+		}
+	}
+	else if( xRc < 0 )
+	{
+		/* The connection will be closed and the client will be deleted. */
+		FreeRTOS_printf( ( "xHTTPClientWork: rc = %ld\n", xRc ) );
+	}
+	return xRc;
+}
+/*-----------------------------------------------------------*/
+
+static const char *pcGetContentsType (const char *apFname)
+{
+	const char *slash = NULL;
+	const char *dot = NULL;
+	const char *ptr;
+	const char *pcResult = "text/html";
+	BaseType_t x;
+
+	for( ptr = apFname; *ptr; ptr++ )
+	{
+		if (*ptr == '.') dot = ptr;
+		if (*ptr == '/') slash = ptr;
+	}
+	if( dot > slash )
+	{
+		dot++;
+		for( x = 0; x < ARRAY_SIZE( pxTypeCouples ); x++ )
+		{
+			if( strcasecmp( dot, pxTypeCouples[ x ].pcExtension ) == 0 )
+			{
+				pcResult = pxTypeCouples[ x ].pcType;
+				break;
+			}
+		}
+	}
+	return pcResult;
+}
+
+#endif /* ipconfigUSE_HTTP */
+

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/HTTP_Server/readme.txt

@@ -0,0 +1,2 @@
+The protocols implemented in this directory are intended to be demo quality
+examples only.  They are not intended for inclusion in production devices.

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/NTP/NTPDemo.c

@@ -0,0 +1,445 @@
+/*
+ *!
+ *! The protocols implemented in this file are intended to be demo quality only,
+ *! and not for production devices.
+ *!
+ *
+ * FreeRTOS+TCP V2.0.3
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+/*
+ * NTPDemo.c
+ *
+ * An example of how to lookup a domain using DNS
+ * And also how to send and receive UDP messages to get the NTP time
+ *
+ */
+
+/* Standard includes. */
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+#include "semphr.h"
+
+/* FreeRTOS+TCP includes. */
+#include "FreeRTOS_IP.h"
+#include "FreeRTOS_Sockets.h"
+#include "FreeRTOS_DNS.h"
+#include "FreeRTOS_Stream_Buffer.h"
+
+/* Use the date & time functions from +FAT. */
+#include "ff_time.h"
+
+#include "NTPDemo.h"
+#include "ntpClient.h"
+
+#include "date_and_time.h"
+
+enum EStatus {
+	EStatusLookup,
+	EStatusAsking,
+	EStatusPause,
+	EStatusFailed,
+};
+
+static struct SNtpPacket xNTPPacket;
+
+#if( ipconfigUSE_CALLBACKS == 0 )
+	static char cRecvBuffer[ sizeof( struct SNtpPacket ) + 64 ];
+#endif
+
+static enum EStatus xStatus = EStatusLookup;
+
+static const char *pcTimeServers[] = {
+	"0.asia.pool.ntp.org",
+	"0.europe.pool.ntp.org",
+	"0.id.pool.ntp.org",
+	"0.south-america.pool.ntp.org",
+	"0.oceania.pool.ntp.org",
+	"0.north-america.pool.ntp.org"
+};
+
+static SemaphoreHandle_t xNTPWakeupSem = NULL;
+static uint32_t ulIPAddressFound;
+static Socket_t xUDPSocket = NULL;
+static TaskHandle_t xNTPTaskhandle = NULL;
+static TickType_t uxSendTime;
+
+static void prvNTPTask( void *pvParameters );
+
+static void vSignalTask( void )
+{
+	#if( ipconfigUSE_CALLBACKS == 0 )
+	if( xUDPSocket != NULL )
+	{
+		/* Send a signal to the socket so that the
+		FreeRTOS_recvfrom will get interrupted. */
+		FreeRTOS_SignalSocket( xUDPSocket );
+	}
+	else
+	#endif
+	if( xNTPWakeupSem != NULL )
+	{
+		xSemaphoreGive( xNTPWakeupSem );
+	}
+}
+
+void vStartNTPTask( uint16_t usTaskStackSize, UBaseType_t uxTaskPriority )
+{
+	/* The only public function in this module: start a task to contact
+	some NTP server. */
+
+	if( xNTPTaskhandle != NULL )
+	{
+		switch( xStatus )
+		{
+		case EStatusPause:
+			xStatus = EStatusAsking;
+			vSignalTask();
+			break;
+		case EStatusLookup:
+			FreeRTOS_printf( ( "NTP looking up server\n" ) );
+			break;
+		case EStatusAsking:
+			FreeRTOS_printf( ( "NTP still asking\n" ) );
+			break;
+		case EStatusFailed:
+			FreeRTOS_printf( ( "NTP failed somehow\n" ) );
+			ulIPAddressFound = 0ul;
+			xStatus = EStatusLookup;
+			vSignalTask();
+			break;
+		}
+	}
+	else
+	{
+		xUDPSocket = FreeRTOS_socket( FREERTOS_AF_INET, FREERTOS_SOCK_DGRAM, FREERTOS_IPPROTO_UDP );
+		if( xUDPSocket != FREERTOS_INVALID_SOCKET )
+		{
+		struct freertos_sockaddr xAddress;
+		#if( ipconfigUSE_CALLBACKS != 0 )
+			BaseType_t xReceiveTimeOut = pdMS_TO_TICKS( 0 );
+		#else
+			BaseType_t xReceiveTimeOut = pdMS_TO_TICKS( 5000 );
+		#endif
+
+			xAddress.sin_addr = 0ul;
+			xAddress.sin_port = FreeRTOS_htons( NTP_PORT );
+
+			FreeRTOS_bind( xUDPSocket, &xAddress, sizeof( xAddress ) );
+			FreeRTOS_setsockopt( xUDPSocket, 0, FREERTOS_SO_RCVTIMEO, &xReceiveTimeOut, sizeof( xReceiveTimeOut ) );
+			xTaskCreate( 	prvNTPTask,						/* The function that implements the task. */
+							( const char * ) "NTP client",	/* Just a text name for the task to aid debugging. */
+							usTaskStackSize,				/* The stack size is defined in FreeRTOSIPConfig.h. */
+							NULL,							/* The task parameter, not used in this case. */
+							uxTaskPriority,					/* The priority assigned to the task is defined in FreeRTOSConfig.h. */
+							&xNTPTaskhandle );				/* The task handle. */
+		}
+		else
+		{
+			FreeRTOS_printf( ( "Creating socket failed\n" ) );
+		}
+	}
+}
+/*-----------------------------------------------------------*/
+
+static void vDNS_callback( const char *pcName, void *pvSearchID, uint32_t ulIPAddress )
+{
+char pcBuf[16];
+
+	/* The DNS lookup has a result, or it has reached the time-out. */
+	FreeRTOS_inet_ntoa( ulIPAddress, pcBuf );
+	FreeRTOS_printf( ( "IP address of %s found: %s\n", pcName, pcBuf ) );
+	if( ulIPAddressFound == 0ul )
+	{
+		ulIPAddressFound = ulIPAddress;
+	}
+	/* For testing: in case DNS doen't respond, still try some NTP server
+	with a known IP-address. */
+	if( ulIPAddressFound == 0ul )
+	{
+		ulIPAddressFound = FreeRTOS_inet_addr_quick( 184, 105, 182, 7 );
+/*		ulIPAddressFound = FreeRTOS_inet_addr_quick( 103, 242,  70, 4 );	*/
+	}
+	xStatus = EStatusAsking;
+
+	vSignalTask();
+}
+/*-----------------------------------------------------------*/
+
+static void prvSwapFields( struct SNtpPacket *pxPacket)
+{
+	/* NTP messages are big-endian */
+	pxPacket->rootDelay = FreeRTOS_htonl( pxPacket->rootDelay );
+	pxPacket->rootDispersion = FreeRTOS_htonl( pxPacket->rootDispersion );
+
+	pxPacket->referenceTimestamp.seconds = FreeRTOS_htonl( pxPacket->referenceTimestamp.seconds );
+	pxPacket->referenceTimestamp.fraction = FreeRTOS_htonl( pxPacket->referenceTimestamp.fraction );
+
+	pxPacket->originateTimestamp.seconds = FreeRTOS_htonl( pxPacket->originateTimestamp.seconds );
+	pxPacket->originateTimestamp.fraction = FreeRTOS_htonl( pxPacket->originateTimestamp.fraction );
+
+	pxPacket->receiveTimestamp.seconds = FreeRTOS_htonl( pxPacket->receiveTimestamp.seconds );
+	pxPacket->receiveTimestamp.fraction = FreeRTOS_htonl( pxPacket->receiveTimestamp.fraction );
+
+	pxPacket->transmitTimestamp.seconds = FreeRTOS_htonl( pxPacket->transmitTimestamp.seconds );
+	pxPacket->transmitTimestamp.fraction = FreeRTOS_htonl( pxPacket->transmitTimestamp.fraction );
+}
+/*-----------------------------------------------------------*/
+
+static void prvNTPPacketInit( )
+{
+	memset (&xNTPPacket, '\0', sizeof( xNTPPacket ) );
+
+	xNTPPacket.flags = 0xDB;				/* value 0xDB : mode 3 (client), version 3, leap indicator unknown 3 */
+	xNTPPacket.poll = 10;					/* 10 means 1 << 10 = 1024 seconds */
+	xNTPPacket.precision = 0xFA;			/* = 250 = 0.015625 seconds */
+	xNTPPacket.rootDelay = 0x5D2E;			/* 0x5D2E = 23854 or (23854/65535)= 0.3640 sec */
+	xNTPPacket.rootDispersion = 0x0008CAC8;	/* 0x0008CAC8 = 8.7912  seconds */
+
+	/* use the recorded NTP time */
+	time_t uxSecs = FreeRTOS_time( NULL );/* apTime may be NULL, returns seconds */
+
+	xNTPPacket.referenceTimestamp.seconds = uxSecs;	/* Current time */
+	xNTPPacket.transmitTimestamp.seconds = uxSecs + 3;
+
+	/* Transform the contents of the fields from native to big endian. */
+	prvSwapFields( &xNTPPacket );
+}
+/*-----------------------------------------------------------*/
+
+static void prvReadTime( struct SNtpPacket * pxPacket )
+{
+	FF_TimeStruct_t xTimeStruct;
+	time_t uxPreviousSeconds;
+	time_t uxPreviousMS;
+
+	time_t uxCurrentSeconds;
+	time_t uxCurrentMS;
+
+	const char *pcTimeUnit;
+	int32_t ilDiff;
+	TickType_t uxTravelTime;
+
+	uxTravelTime = xTaskGetTickCount() - uxSendTime;
+
+	/* Transform the contents of the fields from big to native endian. */
+	prvSwapFields( pxPacket );
+
+	uxCurrentSeconds = pxPacket->receiveTimestamp.seconds - TIME1970;
+	uxCurrentMS = pxPacket->receiveTimestamp.fraction / 4294967;
+	uxCurrentSeconds += uxCurrentMS / 1000;
+	uxCurrentMS = uxCurrentMS % 1000;
+
+	// Get the last time recorded
+	uxPreviousSeconds = FreeRTOS_get_secs_msec( &uxPreviousMS );
+
+	// Set the new time with precision in msec. */
+	FreeRTOS_set_secs_msec( &uxCurrentSeconds, &uxCurrentMS );
+
+	if( uxCurrentSeconds >= uxPreviousSeconds )
+	{
+		ilDiff = ( int32_t ) ( uxCurrentSeconds - uxPreviousSeconds );
+	}
+	else
+	{
+		ilDiff = 0 - ( int32_t ) ( uxPreviousSeconds - uxCurrentSeconds );
+	}
+
+	if( ( ilDiff < -5 ) || ( ilDiff > 5 ) )
+	{
+		/* More than 5 seconds difference. */
+		pcTimeUnit = "sec";
+	}
+	else
+	{
+		/* Less than or equal to 5 second difference. */
+		pcTimeUnit = "ms";
+		uint32_t ulLowest = ( uxCurrentSeconds <= uxPreviousSeconds ) ? uxCurrentSeconds : uxPreviousSeconds;
+		int32_t iCurMS = 1000 * ( uxCurrentSeconds - ulLowest ) + uxCurrentMS;
+		int32_t iPrevMS = 1000 * ( uxPreviousSeconds - ulLowest ) + uxPreviousMS;
+		ilDiff = iCurMS - iPrevMS;
+	}
+	uxCurrentSeconds -= iTimeZone;
+
+	FreeRTOS_gmtime_r( &uxCurrentSeconds, &xTimeStruct );
+
+	/*
+		378.067 [NTP client] NTP time: 9/11/2015 16:11:19.559 Diff -20 ms (289 ms)
+		379.441 [NTP client] NTP time: 9/11/2015 16:11:20.933 Diff 0 ms (263 ms)
+	*/
+
+	FreeRTOS_printf( ("NTP time: %d/%d/%02d %2d:%02d:%02d.%03u Diff %d %s (%lu ms)\n",
+		xTimeStruct.tm_mday,
+		xTimeStruct.tm_mon + 1,
+		xTimeStruct.tm_year + 1900,
+		xTimeStruct.tm_hour,
+		xTimeStruct.tm_min,
+		xTimeStruct.tm_sec,
+		( unsigned )uxCurrentMS,
+		( unsigned )ilDiff,
+		pcTimeUnit,
+		uxTravelTime ) );
+
+	/* Remove compiler warnings in case FreeRTOS_printf() is not used. */
+	( void ) pcTimeUnit;
+	( void ) uxTravelTime;
+}
+/*-----------------------------------------------------------*/
+
+#if( ipconfigUSE_CALLBACKS != 0 )
+
+	static BaseType_t xOnUDPReceive( Socket_t xSocket, void * pvData, size_t xLength,
+		const struct freertos_sockaddr *pxFrom, const struct freertos_sockaddr *pxDest )
+	{
+		if( xLength >= sizeof( xNTPPacket ) )
+		{
+			prvReadTime( ( struct SNtpPacket *)pvData );
+			if( xStatus != EStatusPause )
+			{
+				xStatus = EStatusPause;
+			}
+		}
+		vSignalTask();
+		/* Tell the driver not to store the RX data */
+		return 1;
+	}
+	/*-----------------------------------------------------------*/
+
+#endif	/* ipconfigUSE_CALLBACKS != 0 */
+
+static void prvNTPTask( void *pvParameters )
+{
+BaseType_t xServerIndex = 3;
+struct freertos_sockaddr xAddress;
+#if( ipconfigUSE_CALLBACKS != 0 )
+	F_TCP_UDP_Handler_t xHandler;
+#endif /* ipconfigUSE_CALLBACKS != 0 */
+
+	xStatus = EStatusLookup;
+	#if( ipconfigSOCKET_HAS_USER_SEMAPHORE != 0 ) || ( ipconfigUSE_CALLBACKS != 0 )
+	{
+		xNTPWakeupSem = xSemaphoreCreateBinary();
+	}
+	#endif
+
+	#if( ipconfigUSE_CALLBACKS != 0 )
+	{
+		memset( &xHandler, '\0', sizeof( xHandler ) );
+		xHandler.pxOnUDPReceive = xOnUDPReceive;
+		FreeRTOS_setsockopt( xUDPSocket, 0, FREERTOS_SO_UDP_RECV_HANDLER, ( void * ) &xHandler, sizeof( xHandler ) );
+	}
+	#endif
+	#if( ipconfigSOCKET_HAS_USER_SEMAPHORE != 0 )
+	{
+		FreeRTOS_setsockopt( xUDPSocket, 0, FREERTOS_SO_SET_SEMAPHORE, ( void * ) &xNTPWakeupSem, sizeof( xNTPWakeupSem ) );
+	}
+	#endif
+	for( ; ; )
+	{
+		switch( xStatus )
+		{
+		case EStatusLookup:
+			if( ( ulIPAddressFound == 0ul ) || ( ulIPAddressFound == ~0ul ) )
+			{
+				if( ++xServerIndex == sizeof( pcTimeServers ) / sizeof( pcTimeServers[ 0 ] ) )
+				{
+					xServerIndex = 0;
+				}
+				FreeRTOS_printf( ( "Looking up server '%s'\n", pcTimeServers[ xServerIndex ] ) );
+				FreeRTOS_gethostbyname_a( pcTimeServers[ xServerIndex ], vDNS_callback, (void *)NULL, 1200 );
+			}
+			else
+			{
+				xStatus = EStatusAsking;
+			}
+			break;
+
+		case EStatusAsking:
+			{
+			char pcBuf[16];
+
+				prvNTPPacketInit( );
+				xAddress.sin_addr = ulIPAddressFound;
+				xAddress.sin_port = FreeRTOS_htons( NTP_PORT );
+
+				FreeRTOS_inet_ntoa( xAddress.sin_addr, pcBuf );
+				FreeRTOS_printf( ( "Sending UDP message to %s:%u\n",
+					pcBuf,
+					FreeRTOS_ntohs( xAddress.sin_port ) ) );
+
+				uxSendTime = xTaskGetTickCount( );
+				FreeRTOS_sendto( xUDPSocket, ( void * )&xNTPPacket, sizeof( xNTPPacket ), 0, &xAddress, sizeof( xAddress ) );
+			}
+			break;
+
+		case EStatusPause:
+			break;
+
+		case EStatusFailed:
+			break;
+		}
+
+		#if( ipconfigUSE_CALLBACKS != 0 )
+		{
+			xSemaphoreTake( xNTPWakeupSem, 5000 );
+		}
+		#else
+		{
+		uint32_t xAddressSize;
+		BaseType_t xReturned;
+
+			xAddressSize = sizeof( xAddress );
+			xReturned = FreeRTOS_recvfrom( xUDPSocket, ( void * ) cRecvBuffer, sizeof( cRecvBuffer ), 0, &xAddress, &xAddressSize );
+			switch( xReturned )
+			{
+			case 0:
+			case -pdFREERTOS_ERRNO_EAGAIN:
+			case -pdFREERTOS_ERRNO_EINTR:
+				break;
+			default:
+				if( xReturned < sizeof( xNTPPacket ) )
+				{
+					FreeRTOS_printf( ( "FreeRTOS_recvfrom: returns %ld\n", xReturned ) );
+				}
+				else
+				{
+					prvReadTime( ( struct SNtpPacket *)cRecvBuffer );
+					if( xStatus != EStatusPause )
+					{
+						xStatus = EStatusPause;
+					}
+				}
+				break;
+			}
+		}
+		#endif
+	}
+}
+/*-----------------------------------------------------------*/

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/NTP/See also coreSNTP.url

@@ -0,0 +1,5 @@
+[{000214A0-0000-0000-C000-000000000046}]
+Prop3=19,2
+[InternetShortcut]
+URL=https://www.freertos.org/coresntp/index.html
+IDList=

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/NTP/readme.md

@@ -0,0 +1,5 @@
+FreeRTOS 2020107.00 adds a new SNTPv4 client library, [FreeRTOS/coreSNTP](https://github.com/FreeRTOS/coreSNTP),
+and an [accompanying demo](..\..\..\coreSNTP_Windows_Simulator) to showcase the setup of an SNTP client and system 
+wall-clock time using the library. Refer to 
+The protocols implemented in this directory are intended to be demo quality
+examples only.  They are not intended for inclusion in production devices.

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/include/FreeRTOS_FTP_commands.h

@@ -0,0 +1,133 @@
+/*
+ * FreeRTOS+TCP V2.0.1
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+#ifndef	__FTPCMD_H__
+
+#define	__FTPCMD_H__
+
+#define REPL_110 "110 Restart marker reply.\r\n"
+#define REPL_120 "120 Try again in 2 minutes.\r\n"
+#define REPL_125 "125 Data connection already open; transfer starting.\r\n"
+#define REPL_150 "150 File status okay; about to open data connection.\r\n"
+#define REPL_200 "200 NOOP command successful.\r\n"
+#define REPL_200_PROGRESS "200 NOOP: data transfer in progress.\r\n"
+#define REPL_202 "202 Command not implemented, superfluous at this site.\r\n"
+#define REPL_211 "221 System status, or system help reply.\r\n"
+#define REPL_211_STATUS "221-status of %s.\r\n"
+#define REPL_211_END "221 End of status.\r\n"
+#define REPL_212 "212 Directory status.\r\n"
+#define REPL_213 "213 File status.\r\n"
+#define REPL_214 "214 Help message.\r\n"
+#define REPL_214_END "214 End Help message.\r\n"
+#define REPL_215 "215 %s system type.\r\n"
+#define REPL_220 "220 Service ready for new user.\r\n"
+#define REPL_221 "221 Service closing control connection.\r\n"
+#define REPL_225 "225 Data connection open; no transfer in progress.\r\n"
+#define REPL_226 "226 Closing data connection.\r\n"
+#define REPL_227 "227 Entering Passive Mode (%s,%s,%s,%s,%s,%s).\r\n"
+#define REPL_227_D "227 Entering Passive Mode (%u,%u,%u,%u,%u,%u).\r\n"
+#define REPL_230 "230 User logged in, proceed.\r\n"
+#define REPL_250 "250 Requested file action okay, completed.\r\n"
+#define REPL_257 "257 %s created.\r\n"
+//	#define REPL_257_PWD "257 \"%s\" is current working dir.\r\n"
+#define REPL_257_PWD "257 \"%s\"\r\n"
+#define REPL_331 "331 Only anonymous user is accepted.\r\n"
+#define REPL_331_ANON "331 Anonymous login okay\r\n"
+#define REPL_332 "332 Need account for login.\r\n"
+#define REPL_350 "350 Requested file action pending further information.\r\n"
+#define REPL_421 "421 Service not available, closing control connection.\r\n"
+#define REPL_425 "425 Can't open data connection.\r\n"
+#define REPL_426 "426 Connection closed; transfer aborted.\r\n"
+#define REPL_450 "450 Requested file action not taken.\r\n"
+#define REPL_451 "451 Requested action aborted. Local error in processing.\r\n"
+#define REPL_452 "452 Requested action not taken.\r\n"
+#define REPL_500 "500 Syntax error, command unrecognized.\r\n"
+#define REPL_501 "501 Syntax error in parameters or arguments.\r\n"
+#define REPL_502 "502 Command not implemented.\r\n"
+#define REPL_503 "503 Bad sequence of commands.\r\n"
+#define REPL_504 "504 Command not implemented for that parameter.\r\n"
+#define REPL_530 "530 Not logged in.\r\n"
+#define REPL_532 "532 Need account for storing files.\r\n"
+#define REPL_550 "550 Requested action not taken.\r\n"
+#define REPL_551 "551 Requested action aborted. Page type unknown.\r\n"
+#define REPL_552 "552 Requested file action aborted.\r\n"
+#define REPL_553 "553 Requested action not taken.\r\n"
+#define REPL_553_READ_ONLY "553 Read-only file-system.\r\n"
+
+enum EFTPCommand {
+	ECMD_USER,
+	ECMD_PASS,
+	ECMD_ACCT,
+	ECMD_CWD,
+	ECMD_CDUP,
+	ECMD_SMNT,
+	ECMD_QUIT,
+	ECMD_REIN,
+	ECMD_PORT,
+	ECMD_PASV,
+	ECMD_TYPE,
+	ECMD_STRU,
+	ECMD_MODE,
+	ECMD_RETR,
+	ECMD_STOR,
+	ECMD_STOU,
+	ECMD_APPE,
+	ECMD_ALLO,
+	ECMD_REST,
+	ECMD_RNFR,
+	ECMD_RNTO,
+	ECMD_ABOR,
+	ECMD_SIZE,
+	ECMD_MDTM,
+	ECMD_DELE,
+	ECMD_RMD,
+	ECMD_MKD,
+	ECMD_PWD,
+	ECMD_LIST,
+	ECMD_NLST,
+	ECMD_SITE,
+	ECMD_SYST,
+	ECMD_FEAT,
+	ECMD_STAT,
+	ECMD_HELP,
+	ECMD_NOOP,
+	ECMD_EMPTY,
+	ECMD_CLOSE,
+	ECMD_UNKNOWN,
+};
+
+typedef struct xFTP_COMMAND {
+	BaseType_t xCommandLength;
+	const char pcCommandName[7];
+	const unsigned char ucCommandType;
+	const unsigned char checkLogin;
+	const unsigned char checkNullArg;
+} FTPCommand_t;
+
+#define	FTP_CMD_COUNT	(ECMD_UNKNOWN+1)
+
+extern const FTPCommand_t xFTPCommands[ FTP_CMD_COUNT ];
+
+#endif	// __FTPCMD_H__

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/include/FreeRTOS_HTTP_commands.h

@@ -0,0 +1,67 @@
+/*
+ * FreeRTOS+TCP V2.0.3
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+#ifndef FREERTOS_HTTP_COMMANDS_H
+#define	FREERTOS_HTTP_COMMANDS_H
+
+enum {
+	WEB_REPLY_OK = 200,
+	WEB_NO_CONTENT = 204,
+	WEB_BAD_REQUEST = 400,
+	WEB_UNAUTHORIZED = 401,
+	WEB_NOT_FOUND = 404,
+	WEB_GONE = 410,
+	WEB_PRECONDITION_FAILED = 412,
+	WEB_INTERNAL_SERVER_ERROR = 500,
+};
+
+enum EWebCommand {
+	ECMD_GET,
+	ECMD_HEAD,
+	ECMD_POST,
+	ECMD_PUT,
+	ECMD_DELETE,
+	ECMD_TRACE,
+	ECMD_OPTIONS,
+	ECMD_CONNECT,
+	ECMD_PATCH,
+	ECMD_UNK,
+};
+
+struct xWEB_COMMAND
+{
+	BaseType_t xCommandLength;
+	const char *pcCommandName;
+	const unsigned char ucCommandType;
+};
+
+#define	WEB_CMD_COUNT	(ECMD_UNK+1)
+
+extern const struct xWEB_COMMAND xWebCommands[WEB_CMD_COUNT];
+
+extern const char *webCodename (int aCode);
+
+#endif	/* FREERTOS_HTTP_COMMANDS_H */
+
+

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/include/FreeRTOS_TCP_server.h

@@ -0,0 +1,125 @@
+/*
+ * FreeRTOS+TCP V2.0.3
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+/*
+	Some code which is common to TCP servers like HTTP en FTP
+*/
+
+#ifndef FREERTOS_TCP_SERVER_H
+#define	FREERTOS_TCP_SERVER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef	FTP_SERVER_USES_RELATIVE_DIRECTORY
+	#define	FTP_SERVER_USES_RELATIVE_DIRECTORY		0
+#endif
+
+enum eSERVER_TYPE
+{
+	eSERVER_NONE,
+	eSERVER_HTTP,
+	eSERVER_FTP,
+};
+
+struct xFTP_CLIENT;
+
+#if( ipconfigFTP_HAS_RECEIVED_HOOK != 0 )
+	extern void vApplicationFTPReceivedHook( const char *pcFileName, uint32_t ulSize, struct xFTP_CLIENT *pxFTPClient );
+	extern void vFTPReplyMessage( struct xFTP_CLIENT *pxFTPClient, const char *pcMessage );
+#endif /* ipconfigFTP_HAS_RECEIVED_HOOK != 0 */
+
+#if( ipconfigFTP_HAS_USER_PASSWORD_HOOK != 0 )
+	/*
+	 * Function is called when a user name has been submitted.
+	 * The function may return a string such as: "331 Please enter your password"
+	 * or return NULL to use the default reply.
+	 */
+	extern const char *pcApplicationFTPUserHook( const char *pcUserName );
+#endif /* ipconfigFTP_HAS_USER_PASSWORD_HOOK */
+
+#if( ipconfigFTP_HAS_USER_PASSWORD_HOOK != 0 )
+	/*
+	 * Function is called when a password was received.
+	 * Return positive value to allow the user
+	 */
+	extern BaseType_t xApplicationFTPPasswordHook( const char *pcUserName, const char *pcPassword );
+#endif /* ipconfigFTP_HAS_USER_PASSWORD_HOOK */
+
+#if( ipconfigFTP_HAS_USER_PROPERTIES_HOOK != 0 )
+	/*
+	 * The FTP server is asking for user-specific properties
+	 */
+	typedef struct
+	{
+		uint16_t usPortNumber;	/* For reference only. Host-endian. */
+		const char *pcRootDir;
+		BaseType_t xReadOnly;
+	}
+	FTPUserProperties_t;
+	extern void vApplicationFTPUserPropertiesHook( const char *pcUserName, FTPUserProperties_t *pxProperties );
+#endif /* ipconfigFTP_HAS_USER_PASSWORD_HOOK */
+
+#if( ipconfigHTTP_HAS_HANDLE_REQUEST_HOOK != 0 )
+	/*
+	 * A GET request is received containing a special character,
+	 * usually a question mark.
+	 * const char *pcURLData;	// A request, e.g. "/request?limit=75"
+	 * char *pcBuffer;			// Here the answer can be written
+	 * size_t uxBufferLength;	// Size of the buffer
+	 *
+	 */
+	extern size_t uxApplicationHTTPHandleRequestHook( const char *pcURLData, char *pcBuffer, size_t uxBufferLength );
+#endif /* ipconfigHTTP_HAS_HANDLE_REQUEST_HOOK */
+
+struct xSERVER_CONFIG
+{
+	enum eSERVER_TYPE eType;		/* eSERVER_HTTP | eSERVER_FTP */
+	BaseType_t xPortNumber;			/* e.g. 80, 8080, 21 */
+	BaseType_t xBackLog;			/* e.g. 10, maximum number of connected TCP clients */
+	const char * const pcRootDir;	/* Treat this directory as the root directory */
+};
+
+struct xTCP_SERVER;
+typedef struct xTCP_SERVER TCPServer_t;
+
+TCPServer_t *FreeRTOS_CreateTCPServer( const struct xSERVER_CONFIG *pxConfigs, BaseType_t xCount );
+void FreeRTOS_TCPServerWork( TCPServer_t *pxServer, TickType_t xBlockingTime );
+
+#if( ipconfigSUPPORT_SIGNALS != 0 )
+	/* FreeRTOS_TCPServerWork() calls select().
+	The two functions below provide a possibility to interrupt
+	the call to select(). After the interruption, resume
+	by calling FreeRTOS_TCPServerWork() again. */
+	BaseType_t FreeRTOS_TCPServerSignal( TCPServer_t *pxServer );
+	BaseType_t FreeRTOS_TCPServerSignalFromISR( TCPServer_t *pxServer, BaseType_t *pxHigherPriorityTaskWoken );
+#endif
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* FREERTOS_TCP_SERVER_H */

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/include/FreeRTOS_server_private.h

@@ -0,0 +1,185 @@
+/*
+ * FreeRTOS+TCP V2.0.3
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+ /*
+	Some code which is common to TCP servers like HTTP and FTP
+*/
+
+#ifndef FREERTOS_SERVER_PRIVATE_H
+#define	FREERTOS_SERVER_PRIVATE_H
+
+#define FREERTOS_NO_SOCKET		NULL
+
+/* FreeRTOS+FAT */
+#include "ff_stdio.h"
+
+/* Each HTTP server has 1, at most 2 sockets */
+#define	HTTP_SOCKET_COUNT	2
+
+/*
+ * ipconfigTCP_COMMAND_BUFFER_SIZE sets the size of:
+ *     pcCommandBuffer': a buffer to receive and send TCP commands
+ *
+ * ipconfigTCP_FILE_BUFFER_SIZE sets the size of:
+ *     pcFileBuffer'   : a buffer to access the file system: read or write data.
+ *
+ * The buffers are both used for FTP as well as HTTP.
+ */
+
+#ifndef ipconfigTCP_COMMAND_BUFFER_SIZE
+	#define ipconfigTCP_COMMAND_BUFFER_SIZE	( 2048 )
+#endif
+
+#ifndef ipconfigTCP_FILE_BUFFER_SIZE
+	#define ipconfigTCP_FILE_BUFFER_SIZE	( 2048 )
+#endif
+
+struct xTCP_CLIENT;
+
+typedef BaseType_t ( * FTCPWorkFunction ) ( struct xTCP_CLIENT * /* pxClient */ );
+typedef void ( * FTCPDeleteFunction ) ( struct xTCP_CLIENT * /* pxClient */ );
+
+#define	TCP_CLIENT_FIELDS \
+	enum eSERVER_TYPE eType; \
+	struct xTCP_SERVER *pxParent; \
+	Socket_t xSocket; \
+	const char *pcRootDir; \
+	FTCPWorkFunction fWorkFunction; \
+	FTCPDeleteFunction fDeleteFunction; \
+	struct xTCP_CLIENT *pxNextClient
+
+typedef struct xTCP_CLIENT
+{
+	/* This define contains fields which must come first within each of the client structs */
+	TCP_CLIENT_FIELDS;
+	/* --- Keep at the top  --- */
+
+} TCPClient_t;
+
+struct xHTTP_CLIENT
+{
+	/* This define contains fields which must come first within each of the client structs */
+	TCP_CLIENT_FIELDS;
+	/* --- Keep at the top  --- */
+
+	const char *pcUrlData;
+	const char *pcRestData;
+	char pcCurrentFilename[ ffconfigMAX_FILENAME ];
+	size_t uxBytesLeft;
+	FF_FILE *pxFileHandle;
+	union {
+		struct {
+			uint32_t
+				bReplySent : 1;
+		};
+		uint32_t ulFlags;
+	} bits;
+};
+
+typedef struct xHTTP_CLIENT HTTPClient_t;
+
+struct xFTP_CLIENT
+{
+	/* This define contains fields which must come first within each of the client structs */
+	TCP_CLIENT_FIELDS;
+	/* --- Keep at the top  --- */
+
+	uint32_t ulRestartOffset;
+	uint32_t ulRecvBytes;
+	size_t uxBytesLeft;	/* Bytes left to send */
+	uint32_t ulClientIP;
+	TickType_t xStartTime;
+	uint16_t usClientPort;
+	Socket_t xTransferSocket;
+	BaseType_t xTransType;
+	BaseType_t xDirCount;
+	FF_FindData_t xFindData;
+	FF_FILE *pxReadHandle;
+	FF_FILE *pxWriteHandle;
+	char pcCurrentDir[ ffconfigMAX_FILENAME ];
+	char pcFileName[ ffconfigMAX_FILENAME ];
+	char pcConnectionAck[ 128 ];
+	char pcClientAck[ 128 ];
+	union {
+		struct {
+			uint32_t
+				bHelloSent : 1,
+				bLoggedIn : 1,
+				bStatusUser : 1,
+				bInRename : 1,
+				bReadOnly : 1;
+		};
+		uint32_t ulFTPFlags;
+	} bits;
+	union {
+		struct {
+			uint32_t
+				bIsListen : 1,			/* pdTRUE for passive data connections (using list()). */
+				bDirHasEntry : 1,		/* pdTRUE if ff_findfirst() was successful. */
+				bClientConnected : 1,	/* pdTRUE after connect() or accept() has succeeded. */
+				bEmptyFile : 1,			/* pdTRUE if a connection-without-data was received. */
+				bHadError : 1;			/* pdTRUE if a transfer got aborted because of an error. */
+		};
+		uint32_t ulConnFlags;
+	} bits1;
+};
+
+typedef struct xFTP_CLIENT FTPClient_t;
+
+BaseType_t xHTTPClientWork( TCPClient_t *pxClient );
+BaseType_t xFTPClientWork( TCPClient_t *pxClient );
+
+void vHTTPClientDelete( TCPClient_t *pxClient );
+void vFTPClientDelete( TCPClient_t *pxClient );
+
+BaseType_t xMakeAbsolute( struct xFTP_CLIENT *pxClient, char *pcBuffer, BaseType_t xBufferLength, const char *pcFileName );
+BaseType_t xMakeRelative( FTPClient_t *pxClient, char *pcBuffer, BaseType_t xBufferLength, const char *pcFileName );
+
+struct xTCP_SERVER
+{
+	SocketSet_t xSocketSet;
+	/* A buffer to receive and send TCP commands, either HTTP of FTP. */
+	char pcCommandBuffer[ ipconfigTCP_COMMAND_BUFFER_SIZE ];
+	/* A buffer to access the file system: read or write data. */
+	char pcFileBuffer[ ipconfigTCP_FILE_BUFFER_SIZE ];
+
+	#if( ipconfigUSE_FTP != 0 )
+		char pcNewDir[ ffconfigMAX_FILENAME ];
+	#endif
+	#if( ipconfigUSE_HTTP != 0 )
+		char pcContentsType[40];	/* Space for the msg: "text/javascript" */
+		char pcExtraContents[40];	/* Space for the msg: "Content-Length: 346500" */
+	#endif
+	BaseType_t xServerCount;
+	TCPClient_t *pxClients;
+	struct xSERVER
+	{
+		enum eSERVER_TYPE eType;		/* eSERVER_HTTP | eSERVER_FTP */
+		const char *pcRootDir;
+		Socket_t xSocket;
+	} xServers[ 1 ];
+};
+
+#endif /* FREERTOS_SERVER_PRIVATE_H */

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/include/NTPClient.h

@@ -0,0 +1,71 @@
+//
+//	ntpClient.h
+//
+
+#ifndef	__NTPCLIENT_H__
+
+#define __NTPCLIENT_H__
+
+#define NTP_PORT	123
+
+typedef uint32_t quint32;
+typedef int32_t qint32;
+typedef uint8_t quint8;
+typedef int8_t qint8;
+
+typedef union _SNtpFlags  SNtpFlags;
+
+/**
+ * 64-bit NTP timestamp.
+ */
+struct __attribute__ ((__packed__)) _SNtpTimestamp {
+  /** Number of seconds passed since Jan 1 1900, in big-endian format. */
+  quint32 seconds;
+
+  /** Fractional time part, in <tt>1/0xFFFFFFFF</tt>s of a second. */
+  quint32 fraction;
+};
+
+typedef struct _SNtpTimestamp SNtpTimestamp;
+/**
+ * Mandatory part of an NTP packet
+ */
+struct SNtpPacket {
+  /** Flags. */
+  unsigned char flags;  // value 0xDB : mode 3 (client), version 3, leap indicator unknown 3
+
+  /** Stratum of the clock. */
+  quint8 stratum;  // value 0 : unspecified
+
+  /** Maximum interval between successive messages, in log2 seconds. Note that the value is signed. */
+  qint8 poll;  // 10 means 1 << 10 = 1024 seconds
+
+  /** Precision of the clock, in log2 seconds. Note that the value is signed. */
+  qint8 precision; // 0xFA = 250 = 0.015625 seconds
+
+  /** Round trip time to the primary reference source, in NTP short format. */
+  qint32 rootDelay; // 0x5D2E = 23854 or (23854/65535)= 0.3640 sec
+
+  /** Nominal error relative to the primary reference source. */
+  qint32 rootDispersion; // 0x0008 CAC8 = 8.7912  seconds
+
+  /** Reference identifier (either a 4 character string or an IP address). */
+  qint8 referenceID[4]; // or just 0000
+
+  /** The time at which the clock was last set or corrected. */
+  SNtpTimestamp referenceTimestamp; // Current time
+
+  /** The time at which the request departed the client for the server. */
+  SNtpTimestamp originateTimestamp; // Keep 0
+
+  /** The time at which the request arrived at the server. */
+  SNtpTimestamp receiveTimestamp; // Keep 0
+
+  /** The time at which the reply departed the server for client. */
+  SNtpTimestamp transmitTimestamp;
+};
+
+/* Add this number to get secs since 1-1-1900 */
+#define TIME1970 2208988800UL
+
+#endif // __NTPCLIENT_H__

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/include/NTPDemo.h

@@ -0,0 +1,11 @@
+/*
+ * A simple demo for NTP using FreeRTOS+TCP
+ */
+
+#ifndef NTPDEMO_H
+
+#define NTPDEMO_H
+
+void vStartNTPTask( uint16_t usTaskStackSize, UBaseType_t uxTaskPriority );
+
+#endif

FreeRTOS-Plus/Demo/Common/Demo_IP_Protocols/readme.txt

@@ -0,0 +1,3 @@
+The protocols implemented in the files and folders in this directory and its
+subdirectories are intended to be demo quality examples only.  They are not
+intended for inclusion in production devices.

FreeRTOS-Plus/Demo/Common/FreeRTOS_Plus_CLI_Demos/File-Related-CLI-commands.c

@@ -0,0 +1,530 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ *
+ * 1 tab == 4 spaces!
+ */
+
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* Standard includes. */
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/* FreeRTOS+CLI includes. */
+#include "FreeRTOS_CLI.h"
+
+/* File system includes. */
+#include "fat_sl.h"
+#include "api_mdriver_ram.h"
+
+#ifdef _WINDOWS_
+	#define snprintf _snprintf
+#endif
+
+#define cliNEW_LINE		"\r\n"
+
+/*******************************************************************************
+ * See the URL in the comments within main.c for the location of the online
+ * documentation.
+ ******************************************************************************/
+
+/*
+ * Print out information on a single file.
+ */
+static void prvCreateFileInfoString( char *pcBuffer, F_FIND *pxFindStruct );
+
+/*
+ * Copies an existing file into a newly created file.
+ */
+static BaseType_t prvPerformCopy( const char *pcSourceFile,
+									int32_t lSourceFileLength,
+									const char *pcDestinationFile,
+									char *pxWriteBuffer,
+									size_t xWriteBufferLen );
+
+/*
+ * Implements the DIR command.
+ */
+static BaseType_t prvDIRCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/*
+ * Implements the CD command.
+ */
+static BaseType_t prvCDCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/*
+ * Implements the DEL command.
+ */
+static BaseType_t prvDELCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/*
+ * Implements the TYPE command.
+ */
+static BaseType_t prvTYPECommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/*
+ * Implements the COPY command.
+ */
+static BaseType_t prvCOPYCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/* Structure that defines the DIR command line command, which lists all the
+files in the current directory. */
+static const CLI_Command_Definition_t xDIR =
+{
+	"dir", /* The command string to type. */
+	"\r\ndir:\r\n Lists the files in the current directory\r\n",
+	prvDIRCommand, /* The function to run. */
+	0 /* No parameters are expected. */
+};
+
+/* Structure that defines the CD command line command, which changes the
+working directory. */
+static const CLI_Command_Definition_t xCD =
+{
+	"cd", /* The command string to type. */
+	"\r\ncd <dir name>:\r\n Changes the working directory\r\n",
+	prvCDCommand, /* The function to run. */
+	1 /* One parameter is expected. */
+};
+
+/* Structure that defines the TYPE command line command, which prints the
+contents of a file to the console. */
+static const CLI_Command_Definition_t xTYPE =
+{
+	"type", /* The command string to type. */
+	"\r\ntype <filename>:\r\n Prints file contents to the terminal\r\n",
+	prvTYPECommand, /* The function to run. */
+	1 /* One parameter is expected. */
+};
+
+/* Structure that defines the DEL command line command, which deletes a file. */
+static const CLI_Command_Definition_t xDEL =
+{
+	"del", /* The command string to type. */
+	"\r\ndel <filename>:\r\n deletes a file or directory\r\n",
+	prvDELCommand, /* The function to run. */
+	1 /* One parameter is expected. */
+};
+
+/* Structure that defines the COPY command line command, which deletes a file. */
+static const CLI_Command_Definition_t xCOPY =
+{
+	"copy", /* The command string to type. */
+	"\r\ncopy <source file> <dest file>:\r\n Copies <source file> to <dest file>\r\n",
+	prvCOPYCommand, /* The function to run. */
+	2 /* Two parameters are expected. */
+};
+
+
+/*-----------------------------------------------------------*/
+
+void vRegisterFileSystemCLICommands( void )
+{
+	/* Register all the command line commands defined immediately above. */
+	FreeRTOS_CLIRegisterCommand( &xDIR );
+	FreeRTOS_CLIRegisterCommand( &xCD );
+	FreeRTOS_CLIRegisterCommand( &xTYPE );
+	FreeRTOS_CLIRegisterCommand( &xDEL );
+	FreeRTOS_CLIRegisterCommand( &xCOPY );
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t prvTYPECommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+{
+const char *pcParameter;
+BaseType_t xParameterStringLength, xReturn = pdTRUE;
+static F_FILE *pxFile = NULL;
+int iChar;
+size_t xByte;
+size_t xColumns = 50U;
+
+	/* Ensure there is always a null terminator after each character written. */
+	memset( pcWriteBuffer, 0x00, xWriteBufferLen );
+
+	/* Ensure the buffer leaves space for the \r\n. */
+	configASSERT( xWriteBufferLen > ( strlen( cliNEW_LINE ) * 2 ) );
+	xWriteBufferLen -= strlen( cliNEW_LINE );
+
+	if( xWriteBufferLen < xColumns )
+	{
+		/* Ensure the loop that uses xColumns as an end condition does not
+		write off the end of the buffer. */
+		xColumns = xWriteBufferLen;
+	}
+
+	if( pxFile == NULL )
+	{
+		/* The file has not been opened yet.  Find the file name. */
+		pcParameter = FreeRTOS_CLIGetParameter
+						(
+							pcCommandString,		/* The command string itself. */
+							1,						/* Return the first parameter. */
+							&xParameterStringLength	/* Store the parameter string length. */
+						);
+
+		/* Sanity check something was returned. */
+		configASSERT( pcParameter );
+
+		/* Attempt to open the requested file. */
+		pxFile = f_open( pcParameter, "r" );
+	}
+
+	if( pxFile != NULL )
+	{
+		/* Read the next chunk of data from the file. */
+		for( xByte = 0; xByte < xColumns; xByte++ )
+		{
+			iChar = f_getc( pxFile );
+
+			if( iChar == -1 )
+			{
+				/* No more characters to return. */
+				f_close( pxFile );
+				pxFile = NULL;
+				break;
+			}
+			else
+			{
+				pcWriteBuffer[ xByte ] = ( char ) iChar;
+			}
+		}
+	}
+
+	if( pxFile == NULL )
+	{
+		/* Either the file was not opened, or all the data from the file has
+		been returned and the file is now closed. */
+		xReturn = pdFALSE;
+	}
+
+	strcat( pcWriteBuffer, cliNEW_LINE );
+
+	return xReturn;
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t prvCDCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+{
+const char *pcParameter;
+BaseType_t xParameterStringLength;
+unsigned char ucReturned;
+size_t xStringLength;
+
+	/* Obtain the parameter string. */
+	pcParameter = FreeRTOS_CLIGetParameter
+					(
+						pcCommandString,		/* The command string itself. */
+						1,						/* Return the first parameter. */
+						&xParameterStringLength	/* Store the parameter string length. */
+					);
+
+	/* Sanity check something was returned. */
+	configASSERT( pcParameter );
+
+	/* Attempt to move to the requested directory. */
+	ucReturned = f_chdir( pcParameter );
+
+	if( ucReturned == F_NO_ERROR )
+	{
+		sprintf( pcWriteBuffer, "In: " );
+		xStringLength = strlen( pcWriteBuffer );
+		f_getcwd( &( pcWriteBuffer[ xStringLength ] ), ( unsigned char ) ( xWriteBufferLen - xStringLength ) );
+	}
+	else
+	{
+		sprintf( pcWriteBuffer, "Error" );
+	}
+
+	strcat( pcWriteBuffer, cliNEW_LINE );
+
+	return pdFALSE;
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t prvDIRCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+{
+static F_FIND *pxFindStruct = NULL;
+unsigned char ucReturned;
+BaseType_t xReturn = pdFALSE;
+
+	/* This assumes pcWriteBuffer is long enough. */
+	( void ) pcCommandString;
+
+	/* Ensure the buffer leaves space for the \r\n. */
+	configASSERT( xWriteBufferLen > ( strlen( cliNEW_LINE ) * 2 ) );
+	xWriteBufferLen -= strlen( cliNEW_LINE );
+
+	if( pxFindStruct == NULL )
+	{
+		/* This is the first time this function has been executed since the Dir
+		command was run.  Create the find structure. */
+		pxFindStruct = ( F_FIND * ) pvPortMalloc( sizeof( F_FIND ) );
+
+		if( pxFindStruct != NULL )
+		{
+			ucReturned = f_findfirst( "*.*", pxFindStruct );
+
+			if( ucReturned == F_NO_ERROR )
+			{
+				prvCreateFileInfoString( pcWriteBuffer, pxFindStruct );
+				xReturn = pdPASS;
+			}
+			else
+			{
+				snprintf( pcWriteBuffer, xWriteBufferLen, "Error: f_findfirst() failed." );
+			}
+		}
+		else
+		{
+			snprintf( pcWriteBuffer, xWriteBufferLen, "Failed to allocate RAM (using heap_4.c will prevent fragmentation)." );
+		}
+	}
+	else
+	{
+		/* The find struct has already been created.  Find the next file in
+		the directory. */
+		ucReturned = f_findnext( pxFindStruct );
+
+		if( ucReturned == F_NO_ERROR )
+		{
+			prvCreateFileInfoString( pcWriteBuffer, pxFindStruct );
+			xReturn = pdPASS;
+		}
+		else
+		{
+			/* There are no more files.  Free the find structure. */
+			vPortFree( pxFindStruct );
+			pxFindStruct = NULL;
+
+			/* No string to return. */
+			pcWriteBuffer[ 0 ] = 0x00;
+		}
+	}
+
+	strcat( pcWriteBuffer, cliNEW_LINE );
+
+	return xReturn;
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t prvDELCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+{
+const char *pcParameter;
+BaseType_t xParameterStringLength;
+unsigned char ucReturned;
+
+	/* This function assumes xWriteBufferLen is large enough! */
+	( void ) xWriteBufferLen;
+
+	/* Obtain the parameter string. */
+	pcParameter = FreeRTOS_CLIGetParameter
+					(
+						pcCommandString,		/* The command string itself. */
+						1,						/* Return the first parameter. */
+						&xParameterStringLength	/* Store the parameter string length. */
+					);
+
+	/* Sanity check something was returned. */
+	configASSERT( pcParameter );
+
+	/* Attempt to delete the file. */
+	ucReturned = f_delete( pcParameter );
+
+	if( ucReturned == F_NO_ERROR )
+	{
+		sprintf( pcWriteBuffer, "%s was deleted", pcParameter );
+	}
+	else
+	{
+		sprintf( pcWriteBuffer, "Error" );
+	}
+
+	strcat( pcWriteBuffer, cliNEW_LINE );
+
+	return pdFALSE;
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t prvCOPYCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+{
+char *pcSourceFile, *pcDestinationFile;
+BaseType_t xParameterStringLength;
+long lSourceLength, lDestinationLength = 0;
+
+	/* Obtain the name of the destination file. */
+	pcDestinationFile = ( char * ) FreeRTOS_CLIGetParameter
+									(
+										pcCommandString,		/* The command string itself. */
+										2,						/* Return the second parameter. */
+										&xParameterStringLength	/* Store the parameter string length. */
+									);
+
+	/* Sanity check something was returned. */
+	configASSERT( pcDestinationFile );
+
+	/* Obtain the name of the source file. */
+	pcSourceFile = ( char * ) FreeRTOS_CLIGetParameter
+								(
+									pcCommandString,		/* The command string itself. */
+									1,						/* Return the first parameter. */
+									&xParameterStringLength	/* Store the parameter string length. */
+								);
+
+	/* Sanity check something was returned. */
+	configASSERT( pcSourceFile );
+
+	/* Terminate the string. */
+	pcSourceFile[ xParameterStringLength ] = 0x00;
+
+	/* See if the source file exists, obtain its length if it does. */
+	lSourceLength = f_filelength( pcSourceFile );
+
+	if( lSourceLength == 0 )
+	{
+		sprintf( pcWriteBuffer, "Source file does not exist" );
+	}
+	else
+	{
+		/* See if the destination file exists. */
+		lDestinationLength = f_filelength( pcDestinationFile );
+
+		if( lDestinationLength != 0 )
+		{
+			sprintf( pcWriteBuffer, "Error: Destination file already exists" );
+		}
+	}
+
+	/* Continue only if the source file exists and the destination file does
+	not exist. */
+	if( ( lSourceLength != 0 ) && ( lDestinationLength == 0 ) )
+	{
+		if( prvPerformCopy( pcSourceFile, lSourceLength, pcDestinationFile, pcWriteBuffer, xWriteBufferLen ) == pdPASS )
+		{
+			sprintf( pcWriteBuffer, "Copy made" );
+		}
+		else
+		{
+			sprintf( pcWriteBuffer, "Error during copy" );
+		}
+	}
+
+	strcat( pcWriteBuffer, cliNEW_LINE );
+
+	return pdFALSE;
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t prvPerformCopy( const char *pcSourceFile,
+									int32_t lSourceFileLength,
+									const char *pcDestinationFile,
+									char *pxWriteBuffer,
+									size_t xWriteBufferLen )
+{
+int32_t lBytesRead = 0, lBytesToRead, lBytesRemaining;
+F_FILE *pxFile;
+BaseType_t xReturn = pdPASS;
+
+	/* NOTE:  Error handling has been omitted for clarity. */
+
+	while( lBytesRead < lSourceFileLength )
+	{
+		/* How many bytes are left? */
+		lBytesRemaining = lSourceFileLength - lBytesRead;
+
+		/* How many bytes should be read this time around the loop.  Can't
+		read more bytes than will fit into the buffer. */
+		if( lBytesRemaining > ( long ) xWriteBufferLen )
+		{
+			lBytesToRead = ( long ) xWriteBufferLen;
+		}
+		else
+		{
+			lBytesToRead = lBytesRemaining;
+		}
+
+		/* Open the source file, seek past the data that has already been
+		read from the file, read the next block of data, then close the
+		file again so the destination file can be opened. */
+		pxFile = f_open( pcSourceFile, "r" );
+		if( pxFile != NULL )
+		{
+			f_seek( pxFile, lBytesRead, F_SEEK_SET );
+			f_read( pxWriteBuffer, lBytesToRead, 1, pxFile );
+			f_close( pxFile );
+		}
+		else
+		{
+			xReturn = pdFAIL;
+			break;
+		}
+
+		/* Open the destination file and write the block of data to the end of
+		the file. */
+		pxFile = f_open( pcDestinationFile, "a" );
+		if( pxFile != NULL )
+		{
+			f_write( pxWriteBuffer, lBytesToRead, 1, pxFile );
+			f_close( pxFile );
+		}
+		else
+		{
+			xReturn = pdFAIL;
+			break;
+		}
+
+		lBytesRead += lBytesToRead;
+	}
+
+	return xReturn;
+}
+/*-----------------------------------------------------------*/
+
+static void prvCreateFileInfoString( char *pcBuffer, F_FIND *pxFindStruct )
+{
+const char *pcWritableFile = "writable file", *pcReadOnlyFile = "read only file", *pcDirectory = "directory";
+const char * pcAttrib;
+
+	/* Point pcAttrib to a string that describes the file. */
+	if( ( pxFindStruct->attr & F_ATTR_DIR ) != 0 )
+	{
+		pcAttrib = pcDirectory;
+	}
+	else if( pxFindStruct->attr & F_ATTR_READONLY )
+	{
+		pcAttrib = pcReadOnlyFile;
+	}
+	else
+	{
+		pcAttrib = pcWritableFile;
+	}
+
+	/* Create a string that includes the file name, the file size and the
+	attributes string. */
+	sprintf( pcBuffer, "%s [%s] [size=%d]", pxFindStruct->filename, pcAttrib, ( int ) pxFindStruct->filesize );
+}

FreeRTOS-Plus/Demo/Common/FreeRTOS_Plus_CLI_Demos/Sample-CLI-commands.c

@@ -0,0 +1,480 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ *
+ * 1 tab == 4 spaces!
+ */
+
+
+ /******************************************************************************
+ *
+ * http://www.FreeRTOS.org/cli
+ *
+ ******************************************************************************/
+
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* Standard includes. */
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/* FreeRTOS+CLI includes. */
+#include "FreeRTOS_CLI.h"
+
+#ifndef  configINCLUDE_TRACE_RELATED_CLI_COMMANDS
+	#define configINCLUDE_TRACE_RELATED_CLI_COMMANDS 0
+#endif
+
+#ifndef configINCLUDE_QUERY_HEAP_COMMAND
+	#define configINCLUDE_QUERY_HEAP_COMMAND 0
+#endif
+
+/*
+ * The function that registers the commands that are defined within this file.
+ */
+void vRegisterSampleCLICommands( void );
+
+/*
+ * Implements the task-stats command.
+ */
+static BaseType_t prvTaskStatsCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/*
+ * Implements the run-time-stats command.
+ */
+#if( configGENERATE_RUN_TIME_STATS == 1 )
+	static BaseType_t prvRunTimeStatsCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+#endif /* configGENERATE_RUN_TIME_STATS */
+
+/*
+ * Implements the echo-three-parameters command.
+ */
+static BaseType_t prvThreeParameterEchoCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/*
+ * Implements the echo-parameters command.
+ */
+static BaseType_t prvParameterEchoCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/*
+ * Implements the "query heap" command.
+ */
+#if( configINCLUDE_QUERY_HEAP_COMMAND == 1 )
+	static BaseType_t prvQueryHeapCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+#endif
+
+/*
+ * Implements the "trace start" and "trace stop" commands;
+ */
+#if( configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1 )
+	static BaseType_t prvStartStopTraceCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+#endif
+
+/* Structure that defines the "task-stats" command line command.  This generates
+a table that gives information on each task in the system. */
+static const CLI_Command_Definition_t xTaskStats =
+{
+	"task-stats", /* The command string to type. */
+	"\r\ntask-stats:\r\n Displays a table showing the state of each FreeRTOS task\r\n",
+	prvTaskStatsCommand, /* The function to run. */
+	0 /* No parameters are expected. */
+};
+
+/* Structure that defines the "echo_3_parameters" command line command.  This
+takes exactly three parameters that the command simply echos back one at a
+time. */
+static const CLI_Command_Definition_t xThreeParameterEcho =
+{
+	"echo-3-parameters",
+	"\r\necho-3-parameters <param1> <param2> <param3>:\r\n Expects three parameters, echos each in turn\r\n",
+	prvThreeParameterEchoCommand, /* The function to run. */
+	3 /* Three parameters are expected, which can take any value. */
+};
+
+/* Structure that defines the "echo_parameters" command line command.  This
+takes a variable number of parameters that the command simply echos back one at
+a time. */
+static const CLI_Command_Definition_t xParameterEcho =
+{
+	"echo-parameters",
+	"\r\necho-parameters <...>:\r\n Take variable number of parameters, echos each in turn\r\n",
+	prvParameterEchoCommand, /* The function to run. */
+	-1 /* The user can enter any number of commands. */
+};
+
+#if( configGENERATE_RUN_TIME_STATS == 1 )
+	/* Structure that defines the "run-time-stats" command line command.   This
+	generates a table that shows how much run time each task has */
+	static const CLI_Command_Definition_t xRunTimeStats =
+	{
+		"run-time-stats", /* The command string to type. */
+		"\r\nrun-time-stats:\r\n Displays a table showing how much processing time each FreeRTOS task has used\r\n",
+		prvRunTimeStatsCommand, /* The function to run. */
+		0 /* No parameters are expected. */
+	};
+#endif /* configGENERATE_RUN_TIME_STATS */
+
+#if( configINCLUDE_QUERY_HEAP_COMMAND == 1 )
+	/* Structure that defines the "query_heap" command line command. */
+	static const CLI_Command_Definition_t xQueryHeap =
+	{
+		"query-heap",
+		"\r\nquery-heap:\r\n Displays the free heap space, and minimum ever free heap space.\r\n",
+		prvQueryHeapCommand, /* The function to run. */
+		0 /* The user can enter any number of commands. */
+	};
+#endif /* configQUERY_HEAP_COMMAND */
+
+#if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
+	/* Structure that defines the "trace" command line command.  This takes a single
+	parameter, which can be either "start" or "stop". */
+	static const CLI_Command_Definition_t xStartStopTrace =
+	{
+		"trace",
+		"\r\ntrace [start | stop]:\r\n Starts or stops a trace recording for viewing in FreeRTOS+Trace\r\n",
+		prvStartStopTraceCommand, /* The function to run. */
+		1 /* One parameter is expected.  Valid values are "start" and "stop". */
+	};
+#endif /* configINCLUDE_TRACE_RELATED_CLI_COMMANDS */
+
+/*-----------------------------------------------------------*/
+
+void vRegisterSampleCLICommands( void )
+{
+	/* Register all the command line commands defined immediately above. */
+	FreeRTOS_CLIRegisterCommand( &xTaskStats );	
+	FreeRTOS_CLIRegisterCommand( &xThreeParameterEcho );
+	FreeRTOS_CLIRegisterCommand( &xParameterEcho );
+
+	#if( configGENERATE_RUN_TIME_STATS == 1 )
+	{
+		FreeRTOS_CLIRegisterCommand( &xRunTimeStats );
+	}
+	#endif
+	
+	#if( configINCLUDE_QUERY_HEAP_COMMAND == 1 )
+	{
+		FreeRTOS_CLIRegisterCommand( &xQueryHeap );
+	}
+	#endif
+
+	#if( configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1 )
+	{
+		FreeRTOS_CLIRegisterCommand( &xStartStopTrace );
+	}
+	#endif
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t prvTaskStatsCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+{
+const char *const pcHeader = "     State   Priority  Stack    #\r\n************************************************\r\n";
+BaseType_t xSpacePadding;
+
+	/* Remove compile time warnings about unused parameters, and check the
+	write buffer is not NULL.  NOTE - for simplicity, this example assumes the
+	write buffer length is adequate, so does not check for buffer overflows. */
+	( void ) pcCommandString;
+	( void ) xWriteBufferLen;
+	configASSERT( pcWriteBuffer );
+
+	/* Generate a table of task stats. */
+	strcpy( pcWriteBuffer, "Task" );
+	pcWriteBuffer += strlen( pcWriteBuffer );
+
+	/* Minus three for the null terminator and half the number of characters in
+	"Task" so the column lines up with the centre of the heading. */
+	configASSERT( configMAX_TASK_NAME_LEN > 3 );
+	for( xSpacePadding = strlen( "Task" ); xSpacePadding < ( configMAX_TASK_NAME_LEN - 3 ); xSpacePadding++ )
+	{
+		/* Add a space to align columns after the task's name. */
+		*pcWriteBuffer = ' ';
+		pcWriteBuffer++;
+
+		/* Ensure always terminated. */
+		*pcWriteBuffer = 0x00;
+	}
+	strcpy( pcWriteBuffer, pcHeader );
+	vTaskList( pcWriteBuffer + strlen( pcHeader ) );
+
+	/* There is no more data to return after this single string, so return
+	pdFALSE. */
+	return pdFALSE;
+}
+/*-----------------------------------------------------------*/
+
+#if( configINCLUDE_QUERY_HEAP_COMMAND == 1 )
+
+	static BaseType_t prvQueryHeapCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+	{
+		/* Remove compile time warnings about unused parameters, and check the
+		write buffer is not NULL.  NOTE - for simplicity, this example assumes the
+		write buffer length is adequate, so does not check for buffer overflows. */
+		( void ) pcCommandString;
+		( void ) xWriteBufferLen;
+		configASSERT( pcWriteBuffer );
+
+		sprintf( pcWriteBuffer, "Current free heap %d bytes, minimum ever free heap %d bytes\r\n", ( int ) xPortGetFreeHeapSize(), ( int ) xPortGetMinimumEverFreeHeapSize() );
+
+		/* There is no more data to return after this single string, so return
+		pdFALSE. */
+		return pdFALSE;
+	}
+
+#endif /* configINCLUDE_QUERY_HEAP */
+/*-----------------------------------------------------------*/
+
+#if( configGENERATE_RUN_TIME_STATS == 1 )
+	
+	static BaseType_t prvRunTimeStatsCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+	{
+	const char * const pcHeader = "  Abs Time      % Time\r\n****************************************\r\n";
+	BaseType_t xSpacePadding;
+
+		/* Remove compile time warnings about unused parameters, and check the
+		write buffer is not NULL.  NOTE - for simplicity, this example assumes the
+		write buffer length is adequate, so does not check for buffer overflows. */
+		( void ) pcCommandString;
+		( void ) xWriteBufferLen;
+		configASSERT( pcWriteBuffer );
+
+		/* Generate a table of task stats. */
+		strcpy( pcWriteBuffer, "Task" );
+		pcWriteBuffer += strlen( pcWriteBuffer );
+
+		/* Pad the string "task" with however many bytes necessary to make it the
+		length of a task name.  Minus three for the null terminator and half the
+		number of characters in	"Task" so the column lines up with the centre of
+		the heading. */
+		for( xSpacePadding = strlen( "Task" ); xSpacePadding < ( configMAX_TASK_NAME_LEN - 3 ); xSpacePadding++ )
+		{
+			/* Add a space to align columns after the task's name. */
+			*pcWriteBuffer = ' ';
+			pcWriteBuffer++;
+
+			/* Ensure always terminated. */
+			*pcWriteBuffer = 0x00;
+		}
+
+		strcpy( pcWriteBuffer, pcHeader );
+		vTaskGetRunTimeStats( pcWriteBuffer + strlen( pcHeader ) );
+
+		/* There is no more data to return after this single string, so return
+		pdFALSE. */
+		return pdFALSE;
+	}
+	
+#endif /* configGENERATE_RUN_TIME_STATS */
+/*-----------------------------------------------------------*/
+
+static BaseType_t prvThreeParameterEchoCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+{
+const char *pcParameter;
+BaseType_t xParameterStringLength, xReturn;
+static UBaseType_t uxParameterNumber = 0;
+
+	/* Remove compile time warnings about unused parameters, and check the
+	write buffer is not NULL.  NOTE - for simplicity, this example assumes the
+	write buffer length is adequate, so does not check for buffer overflows. */
+	( void ) pcCommandString;
+	( void ) xWriteBufferLen;
+	configASSERT( pcWriteBuffer );
+
+	if( uxParameterNumber == 0 )
+	{
+		/* The first time the function is called after the command has been
+		entered just a header string is returned. */
+		sprintf( pcWriteBuffer, "The three parameters were:\r\n" );
+
+		/* Next time the function is called the first parameter will be echoed
+		back. */
+		uxParameterNumber = 1U;
+
+		/* There is more data to be returned as no parameters have been echoed
+		back yet. */
+		xReturn = pdPASS;
+	}
+	else
+	{
+		/* Obtain the parameter string. */
+		pcParameter = FreeRTOS_CLIGetParameter
+						(
+							pcCommandString,		/* The command string itself. */
+							uxParameterNumber,		/* Return the next parameter. */
+							&xParameterStringLength	/* Store the parameter string length. */
+						);
+
+		/* Sanity check something was returned. */
+		configASSERT( pcParameter );
+
+		/* Return the parameter string. */
+		memset( pcWriteBuffer, 0x00, xWriteBufferLen );
+		sprintf( pcWriteBuffer, "%d: ", ( int ) uxParameterNumber );
+		strncat( pcWriteBuffer, pcParameter, ( size_t ) xParameterStringLength );
+		strncat( pcWriteBuffer, "\r\n", strlen( "\r\n" ) );
+
+		/* If this is the last of the three parameters then there are no more
+		strings to return after this one. */
+		if( uxParameterNumber == 3U )
+		{
+			/* If this is the last of the three parameters then there are no more
+			strings to return after this one. */
+			xReturn = pdFALSE;
+			uxParameterNumber = 0;
+		}
+		else
+		{
+			/* There are more parameters to return after this one. */
+			xReturn = pdTRUE;
+			uxParameterNumber++;
+		}
+	}
+
+	return xReturn;
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t prvParameterEchoCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+{
+const char *pcParameter;
+BaseType_t xParameterStringLength, xReturn;
+static UBaseType_t uxParameterNumber = 0;
+
+	/* Remove compile time warnings about unused parameters, and check the
+	write buffer is not NULL.  NOTE - for simplicity, this example assumes the
+	write buffer length is adequate, so does not check for buffer overflows. */
+	( void ) pcCommandString;
+	( void ) xWriteBufferLen;
+	configASSERT( pcWriteBuffer );
+
+	if( uxParameterNumber == 0 )
+	{
+		/* The first time the function is called after the command has been
+		entered just a header string is returned. */
+		sprintf( pcWriteBuffer, "The parameters were:\r\n" );
+
+		/* Next time the function is called the first parameter will be echoed
+		back. */
+		uxParameterNumber = 1U;
+
+		/* There is more data to be returned as no parameters have been echoed
+		back yet. */
+		xReturn = pdPASS;
+	}
+	else
+	{
+		/* Obtain the parameter string. */
+		pcParameter = FreeRTOS_CLIGetParameter
+						(
+							pcCommandString,		/* The command string itself. */
+							uxParameterNumber,		/* Return the next parameter. */
+							&xParameterStringLength	/* Store the parameter string length. */
+						);
+
+		if( pcParameter != NULL )
+		{
+			/* Return the parameter string. */
+			memset( pcWriteBuffer, 0x00, xWriteBufferLen );
+			sprintf( pcWriteBuffer, "%d: ", ( int ) uxParameterNumber );
+			strncat( pcWriteBuffer, ( char * ) pcParameter, ( size_t ) xParameterStringLength );
+			strncat( pcWriteBuffer, "\r\n", strlen( "\r\n" ) );
+
+			/* There might be more parameters to return after this one. */
+			xReturn = pdTRUE;
+			uxParameterNumber++;
+		}
+		else
+		{
+			/* No more parameters were found.  Make sure the write buffer does
+			not contain a valid string. */
+			pcWriteBuffer[ 0 ] = 0x00;
+
+			/* No more data to return. */
+			xReturn = pdFALSE;
+
+			/* Start over the next time this command is executed. */
+			uxParameterNumber = 0;
+		}
+	}
+
+	return xReturn;
+}
+/*-----------------------------------------------------------*/
+
+#if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
+
+	static BaseType_t prvStartStopTraceCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+	{
+	const char *pcParameter;
+	BaseType_t lParameterStringLength;
+
+		/* Remove compile time warnings about unused parameters, and check the
+		write buffer is not NULL.  NOTE - for simplicity, this example assumes the
+		write buffer length is adequate, so does not check for buffer overflows. */
+		( void ) pcCommandString;
+		( void ) xWriteBufferLen;
+		configASSERT( pcWriteBuffer );
+
+		/* Obtain the parameter string. */
+		pcParameter = FreeRTOS_CLIGetParameter
+						(
+							pcCommandString,		/* The command string itself. */
+							1,						/* Return the first parameter. */
+							&lParameterStringLength	/* Store the parameter string length. */
+						);
+
+		/* Sanity check something was returned. */
+		configASSERT( pcParameter );
+
+		/* There are only two valid parameter values. */
+		if( strncmp( pcParameter, "start", strlen( "start" ) ) == 0 )
+		{
+			/* Start or restart the trace. */
+			vTraceStop();
+			vTraceClear();
+			vTraceStart();
+
+			sprintf( pcWriteBuffer, "Trace recording (re)started.\r\n" );
+		}
+		else if( strncmp( pcParameter, "stop", strlen( "stop" ) ) == 0 )
+		{
+			/* End the trace, if one is running. */
+			vTraceStop();
+			sprintf( pcWriteBuffer, "Stopping trace recording.\r\n" );
+		}
+		else
+		{
+			sprintf( pcWriteBuffer, "Valid parameters are 'start' and 'stop'.\r\n" );
+		}
+
+		/* There is no more data to return after this single string, so return
+		pdFALSE. */
+		return pdFALSE;
+	}
+
+#endif /* configINCLUDE_TRACE_RELATED_CLI_COMMANDS */

FreeRTOS-Plus/Demo/Common/FreeRTOS_Plus_CLI_Demos/UARTCommandConsole.c

@@ -0,0 +1,226 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ *
+ * 1 tab == 4 spaces!
+ */
+
+/*
+ * NOTE:  This file uses a third party USB CDC driver.
+ */
+
+/* Standard includes. */
+#include "string.h"
+#include "stdio.h"
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+#include "semphr.h"
+
+/* Example includes. */
+#include "FreeRTOS_CLI.h"
+
+/* Demo application includes. */
+#include "serial.h"
+
+/* Dimensions the buffer into which input characters are placed. */
+#define cmdMAX_INPUT_SIZE		50
+
+/* Dimentions a buffer to be used by the UART driver, if the UART driver uses a
+buffer at all. */
+#define cmdQUEUE_LENGTH			25
+
+/* DEL acts as a backspace. */
+#define cmdASCII_DEL		( 0x7F )
+
+/* The maximum time to wait for the mutex that guards the UART to become
+available. */
+#define cmdMAX_MUTEX_WAIT		pdMS_TO_TICKS( 300 )
+
+#ifndef configCLI_BAUD_RATE
+	#define configCLI_BAUD_RATE	115200
+#endif
+
+/*-----------------------------------------------------------*/
+
+/*
+ * The task that implements the command console processing.
+ */
+static void prvUARTCommandConsoleTask( void *pvParameters );
+void vUARTCommandConsoleStart( uint16_t usStackSize, UBaseType_t uxPriority );
+
+/*-----------------------------------------------------------*/
+
+/* Const messages output by the command console. */
+static const char * const pcWelcomeMessage = "FreeRTOS command server.\r\nType Help to view a list of registered commands.\r\n\r\n>";
+static const char * const pcEndOfOutputMessage = "\r\n[Press ENTER to execute the previous command again]\r\n>";
+static const char * const pcNewLine = "\r\n";
+
+/* Used to guard access to the UART in case messages are sent to the UART from
+more than one task. */
+static SemaphoreHandle_t xTxMutex = NULL;
+
+/* The handle to the UART port, which is not used by all ports. */
+static xComPortHandle xPort = 0;
+
+/*-----------------------------------------------------------*/
+
+void vUARTCommandConsoleStart( uint16_t usStackSize, UBaseType_t uxPriority )
+{
+	/* Create the semaphore used to access the UART Tx. */
+	xTxMutex = xSemaphoreCreateMutex();
+	configASSERT( xTxMutex );
+
+	/* Create that task that handles the console itself. */
+	xTaskCreate( 	prvUARTCommandConsoleTask,	/* The task that implements the command console. */
+					"CLI",						/* Text name assigned to the task.  This is just to assist debugging.  The kernel does not use this name itself. */
+					usStackSize,				/* The size of the stack allocated to the task. */
+					NULL,						/* The parameter is not used, so NULL is passed. */
+					uxPriority,					/* The priority allocated to the task. */
+					NULL );						/* A handle is not required, so just pass NULL. */
+}
+/*-----------------------------------------------------------*/
+
+static void prvUARTCommandConsoleTask( void *pvParameters )
+{
+signed char cRxedChar;
+uint8_t ucInputIndex = 0;
+char *pcOutputString;
+static char cInputString[ cmdMAX_INPUT_SIZE ], cLastInputString[ cmdMAX_INPUT_SIZE ];
+BaseType_t xReturned;
+xComPortHandle xPort;
+
+	( void ) pvParameters;
+
+	/* Obtain the address of the output buffer.  Note there is no mutual
+	exclusion on this buffer as it is assumed only one command console interface
+	will be used at any one time. */
+	pcOutputString = FreeRTOS_CLIGetOutputBuffer();
+
+	/* Initialise the UART. */
+	xPort = xSerialPortInitMinimal( configCLI_BAUD_RATE, cmdQUEUE_LENGTH );
+
+	/* Send the welcome message. */
+	vSerialPutString( xPort, ( signed char * ) pcWelcomeMessage, ( unsigned short ) strlen( pcWelcomeMessage ) );
+
+	for( ;; )
+	{
+		/* Wait for the next character.  The while loop is used in case
+		INCLUDE_vTaskSuspend is not set to 1 - in which case portMAX_DELAY will
+		be a genuine block time rather than an infinite block time. */
+		while( xSerialGetChar( xPort, &cRxedChar, portMAX_DELAY ) != pdPASS );
+
+		/* Ensure exclusive access to the UART Tx. */
+		if( xSemaphoreTake( xTxMutex, cmdMAX_MUTEX_WAIT ) == pdPASS )
+		{
+			/* Echo the character back. */
+			xSerialPutChar( xPort, cRxedChar, portMAX_DELAY );
+
+			/* Was it the end of the line? */
+			if( cRxedChar == '\n' || cRxedChar == '\r' )
+			{
+				/* Just to space the output from the input. */
+				vSerialPutString( xPort, ( signed char * ) pcNewLine, ( unsigned short ) strlen( pcNewLine ) );
+
+				/* See if the command is empty, indicating that the last command
+				is to be executed again. */
+				if( ucInputIndex == 0 )
+				{
+					/* Copy the last command back into the input string. */
+					strcpy( cInputString, cLastInputString );
+				}
+
+				/* Pass the received command to the command interpreter.  The
+				command interpreter is called repeatedly until it returns
+				pdFALSE	(indicating there is no more output) as it might
+				generate more than one string. */
+				do
+				{
+					/* Get the next output string from the command interpreter. */
+					xReturned = FreeRTOS_CLIProcessCommand( cInputString, pcOutputString, configCOMMAND_INT_MAX_OUTPUT_SIZE );
+
+					/* Write the generated string to the UART. */
+					vSerialPutString( xPort, ( signed char * ) pcOutputString, ( unsigned short ) strlen( pcOutputString ) );
+
+				} while( xReturned != pdFALSE );
+
+				/* All the strings generated by the input command have been
+				sent.  Clear the input string ready to receive the next command.
+				Remember the command that was just processed first in case it is
+				to be processed again. */
+				strcpy( cLastInputString, cInputString );
+				ucInputIndex = 0;
+				memset( cInputString, 0x00, cmdMAX_INPUT_SIZE );
+
+				vSerialPutString( xPort, ( signed char * ) pcEndOfOutputMessage, ( unsigned short ) strlen( pcEndOfOutputMessage ) );
+			}
+			else
+			{
+				if( cRxedChar == '\r' )
+				{
+					/* Ignore the character. */
+				}
+				else if( ( cRxedChar == '\b' ) || ( cRxedChar == cmdASCII_DEL ) )
+				{
+					/* Backspace was pressed.  Erase the last character in the
+					string - if any. */
+					if( ucInputIndex > 0 )
+					{
+						ucInputIndex--;
+						cInputString[ ucInputIndex ] = '\0';
+					}
+				}
+				else
+				{
+					/* A character was entered.  Add it to the string entered so
+					far.  When a \n is entered the complete	string will be
+					passed to the command interpreter. */
+					if( ( cRxedChar >= ' ' ) && ( cRxedChar <= '~' ) )
+					{
+						if( ucInputIndex < cmdMAX_INPUT_SIZE )
+						{
+							cInputString[ ucInputIndex ] = cRxedChar;
+							ucInputIndex++;
+						}
+					}
+				}
+			}
+
+			/* Must ensure to give the mutex back. */
+			xSemaphoreGive( xTxMutex );
+		}
+	}
+}
+/*-----------------------------------------------------------*/
+
+void vOutputString( const char * const pcMessage )
+{
+	if( xSemaphoreTake( xTxMutex, cmdMAX_MUTEX_WAIT ) == pdPASS )
+	{
+		vSerialPutString( xPort, ( signed char * ) pcMessage, ( unsigned short ) strlen( pcMessage ) );
+		xSemaphoreGive( xTxMutex );
+	}
+}
+/*-----------------------------------------------------------*/
+

FreeRTOS-Plus/Demo/Common/FreeRTOS_Plus_CLI_Demos/UDP-Related-CLI-commands.c

@@ -0,0 +1,313 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ *
+ * 1 tab == 4 spaces!
+ */
+
+ /******************************************************************************
+ *
+ * See the following URL for information on the commands defined in this file:
+ * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_UDP/Embedded_Ethernet_Examples/Ethernet_Related_CLI_Commands.shtml
+ *
+ ******************************************************************************/
+
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* Standard includes. */
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/* FreeRTOS+CLI includes. */
+#include "FreeRTOS_CLI.h"
+
+/* FreeRTOS+UDP includes, just to make the stats available to the CLI
+commands. */
+#include "FreeRTOS_UDP_IP.h"
+#include "FreeRTOS_Sockets.h"
+
+/*
+ * Defines a command that prints out IP address information.
+ */
+static BaseType_t prvDisplayIPConfig( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/*
+ * Defines a command that prints out the gathered demo debug stats.
+ */
+static BaseType_t prvDisplayIPDebugStats( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/*
+ * Defines a command that sends an ICMP ping request to an IP address.
+ */
+static BaseType_t prvPingCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/* Structure that defines the "ip-config" command line command. */
+static const CLI_Command_Definition_t xIPConfig =
+{
+	"ip-config",
+	"ip-config:\r\n Displays IP address configuration\r\n\r\n",
+	prvDisplayIPConfig,
+	0
+};
+
+#if configINCLUDE_DEMO_DEBUG_STATS != 0
+	/* Structure that defines the "ip-debug-stats" command line command. */
+	static const CLI_Command_Definition_t xIPDebugStats =
+	{
+		"ip-debug-stats", /* The command string to type. */
+		"ip-debug-stats:\r\n Shows some IP stack stats useful for debug - an example only.\r\n\r\n",
+		prvDisplayIPDebugStats, /* The function to run. */
+		0 /* No parameters are expected. */
+	};
+#endif /* configINCLUDE_DEMO_DEBUG_STATS */
+
+#if ipconfigSUPPORT_OUTGOING_PINGS == 1
+
+	/* Structure that defines the "ping" command line command.  This takes an IP
+	address or host name and (optionally) the number of bytes to ping as
+	parameters. */
+	static const CLI_Command_Definition_t xPing =
+	{
+		"ping",
+		"ping <ipaddress> <optional:bytes to send>:\r\n for example, ping 192.168.0.3 8, or ping www.example.com\r\n\r\n",
+		prvPingCommand, /* The function to run. */
+		-1 /* Ping can take either one or two parameter, so the number of parameters has to be determined by the ping command implementation. */
+	};
+
+#endif /* ipconfigSUPPORT_OUTGOING_PINGS */
+
+
+/*-----------------------------------------------------------*/
+
+void vRegisterUDPCLICommands( void )
+{
+	/* Register all the command line commands defined immediately above. */
+	FreeRTOS_CLIRegisterCommand( &xIPConfig );
+
+	#if configINCLUDE_DEMO_DEBUG_STATS == 1
+	{
+		FreeRTOS_CLIRegisterCommand( &xIPDebugStats );
+	}
+	#endif /* configINCLUDE_DEMO_DEBUG_STATS */
+
+	#if ipconfigSUPPORT_OUTGOING_PINGS == 1
+	{
+		FreeRTOS_CLIRegisterCommand( &xPing );
+	}
+	#endif /* ipconfigSUPPORT_OUTGOING_PINGS */
+}
+/*-----------------------------------------------------------*/
+
+#if ipconfigSUPPORT_OUTGOING_PINGS == 1
+
+	static BaseType_t prvPingCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+	{
+	char * pcParameter;
+	BaseType_t lParameterStringLength, xReturn;
+	uint32_t ulIPAddress, ulBytesToPing;
+	const uint32_t ulDefaultBytesToPing = 8UL;
+	char cBuffer[ 16 ];
+
+		/* Remove compile time warnings about unused parameters, and check the
+		write buffer is not NULL.  NOTE - for simplicity, this example assumes the
+		write buffer length is adequate, so does not check for buffer overflows. */
+		( void ) pcCommandString;
+		( void ) xWriteBufferLen;
+		configASSERT( pcWriteBuffer );
+
+		/* Start with an empty string. */
+		pcWriteBuffer[ 0 ] = 0x00;
+
+		/* Obtain the number of bytes to ping. */
+		pcParameter = ( char * ) FreeRTOS_CLIGetParameter
+								(
+									pcCommandString,		/* The command string itself. */
+									2,						/* Return the second parameter. */
+									&lParameterStringLength	/* Store the parameter string length. */
+								);
+
+		if( pcParameter == NULL )
+		{
+			/* The number of bytes was not specified, so default it. */
+			ulBytesToPing = ulDefaultBytesToPing;
+		}
+		else
+		{
+			ulBytesToPing = atol( pcParameter );
+		}
+
+		/* Obtain the IP address string. */
+		pcParameter = ( char * ) FreeRTOS_CLIGetParameter
+								(
+									pcCommandString,		/* The command string itself. */
+									1,						/* Return the first parameter. */
+									&lParameterStringLength	/* Store the parameter string length. */
+								);
+
+		/* Sanity check something was returned. */
+		configASSERT( pcParameter );
+
+		/* Attempt to obtain the IP address.   If the first character is not a
+		digit, assume the host name has been passed in. */
+		if( ( *pcParameter >= '0' ) && ( *pcParameter <= '9' ) )
+		{
+			ulIPAddress = FreeRTOS_inet_addr( pcParameter );
+		}
+		else
+		{
+			/* Terminate the host name. */
+			pcParameter[ lParameterStringLength ] = 0x00;
+
+			/* Attempt to resolve host. */
+			ulIPAddress = FreeRTOS_gethostbyname( pcParameter );
+		}
+
+		/* Convert IP address, which may have come from a DNS lookup, to string. */
+		FreeRTOS_inet_ntoa( ulIPAddress, cBuffer );
+
+		if( ulIPAddress != 0 )
+		{
+			xReturn = FreeRTOS_SendPingRequest( ulIPAddress, ( uint16_t ) ulBytesToPing, portMAX_DELAY );
+		}
+		else
+		{
+			xReturn = pdFALSE;
+		}
+
+		if( xReturn == pdFALSE )
+		{
+			sprintf( pcWriteBuffer, "%s", "Could not send ping request\r\n" );
+		}
+		else
+		{
+			sprintf( pcWriteBuffer, "Ping sent to %s with identifier %d\r\n", cBuffer, ( int ) xReturn );
+		}
+
+		return pdFALSE;
+	}
+	/*-----------------------------------------------------------*/
+
+#endif /* ipconfigSUPPORT_OUTGOING_PINGS */
+
+#if configINCLUDE_DEMO_DEBUG_STATS != 0
+
+	static BaseType_t prvDisplayIPDebugStats( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+	{
+	static BaseType_t xIndex = -1;
+	extern xExampleDebugStatEntry_t xIPTraceValues[];
+	BaseType_t xReturn;
+
+		/* Remove compile time warnings about unused parameters, and check the
+		write buffer is not NULL.  NOTE - for simplicity, this example assumes the
+		write buffer length is adequate, so does not check for buffer overflows. */
+		( void ) pcCommandString;
+		( void ) xWriteBufferLen;
+		configASSERT( pcWriteBuffer );
+
+		xIndex++;
+
+		if( xIndex < xExampleDebugStatEntries() )
+		{
+			sprintf( pcWriteBuffer, "%s %d\r\n", ( char * ) xIPTraceValues[ xIndex ].pucDescription, ( int ) xIPTraceValues[ xIndex ].ulData );
+			xReturn = pdPASS;
+		}
+		else
+		{
+			/* Reset the index for the next time it is called. */
+			xIndex = -1;
+
+			/* Ensure nothing remains in the write buffer. */
+			pcWriteBuffer[ 0 ] = 0x00;
+			xReturn = pdFALSE;
+		}
+
+		return xReturn;
+	}
+	/*-----------------------------------------------------------*/
+
+#endif /* configINCLUDE_DEMO_DEBUG_STATS */
+
+static BaseType_t prvDisplayIPConfig( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+{
+static BaseType_t xIndex = 0;
+BaseType_t xReturn;
+uint32_t ulAddress;
+
+	/* Remove compile time warnings about unused parameters, and check the
+	write buffer is not NULL.  NOTE - for simplicity, this example assumes the
+	write buffer length is adequate, so does not check for buffer overflows. */
+	( void ) pcCommandString;
+	( void ) xWriteBufferLen;
+	configASSERT( pcWriteBuffer );
+
+	switch( xIndex )
+	{
+		case 0 :
+			FreeRTOS_GetAddressConfiguration( &ulAddress, NULL, NULL, NULL );
+			sprintf( pcWriteBuffer, "\r\nIP address " );
+			xReturn = pdTRUE;
+			xIndex++;
+			break;
+
+		case 1 :
+			FreeRTOS_GetAddressConfiguration( NULL, &ulAddress, NULL, NULL );
+			sprintf( pcWriteBuffer, "\r\nNet mask " );
+			xReturn = pdTRUE;
+			xIndex++;
+			break;
+
+		case 2 :
+			FreeRTOS_GetAddressConfiguration( NULL, NULL, &ulAddress, NULL );
+			sprintf( pcWriteBuffer, "\r\nGateway address " );
+			xReturn = pdTRUE;
+			xIndex++;
+			break;
+
+		case 3 :
+			FreeRTOS_GetAddressConfiguration( NULL, NULL, NULL, &ulAddress );
+			sprintf( pcWriteBuffer, "\r\nDNS server address " );
+			xReturn = pdTRUE;
+			xIndex++;
+			break;
+
+		default :
+			ulAddress = 0;
+			sprintf( pcWriteBuffer, "\r\n\r\n" );
+			xReturn = pdFALSE;
+			xIndex = 0;
+			break;
+	}
+
+	if( ulAddress != 0 )
+	{
+		FreeRTOS_inet_ntoa( ulAddress, ( &( pcWriteBuffer[ strlen( pcWriteBuffer ) ] ) ) );
+	}
+
+	return xReturn;
+}
+/*-----------------------------------------------------------*/
+

FreeRTOS-Plus/Demo/Common/FreeRTOS_Plus_FAT_SL_Demos/CreateExampleFiles/File-system-demo.c

@@ -0,0 +1,321 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ *
+ * 1 tab == 4 spaces!
+ */
+
+/*******************************************************************************
+ * See the URL in the comments within main.c for the location of the online
+ * documentation.
+ ******************************************************************************/
+
+/* Standard includes. */
+#include <stdio.h>
+#include <string.h>
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+
+/* File system includes. */
+#include "fat_sl.h"
+#include "api_mdriver_ram.h"
+
+/* 8.3 format, plus null terminator. */
+#define fsMAX_FILE_NAME_LEN				13
+
+/* The number of bytes read/written to the example files at a time. */
+#define fsRAM_BUFFER_SIZE 				200
+
+/* The number of bytes written to the file that uses f_putc() and f_getc(). */
+#define fsPUTC_FILE_SIZE				100
+
+/*-----------------------------------------------------------*/
+
+/*
+ * Creates and verifies different files on the volume, demonstrating the use of
+ * various different API functions.
+ */
+void vCreateAndVerifySampleFiles( void );
+
+/*
+ * Create a set of example files in the root directory of the volume using
+ * f_write().
+ */
+static void prvCreateDemoFilesUsing_f_write( void );
+
+/*
+ * Use f_read() to read back and verify the files that were created by
+ * prvCreateDemoFilesUsing_f_write().
+ */
+static void prvVerifyDemoFileUsing_f_read( void );
+
+/*
+ * Create an example file in a sub-directory using f_putc().
+ */
+static void prvCreateDemoFileUsing_f_putc( void );
+
+/*
+ * Use f_getc() to read back and verify the file that was created by
+ * prvCreateDemoFileUsing_f_putc().
+ */
+static void prvVerifyDemoFileUsing_f_getc( void );
+
+/*-----------------------------------------------------------*/
+
+/* A buffer used to both create content to write to disk, and read content back
+from a disk.  Note there is no mutual exclusion on this buffer. */
+static char cRAMBuffer[ fsRAM_BUFFER_SIZE ];
+
+/* Names of directories that are created. */
+static const char *pcRoot = "/", *pcDirectory1 = "SUB1", *pcDirectory2 = "SUB2", *pcFullPath = "/SUB1/SUB2";
+
+/*-----------------------------------------------------------*/
+
+void vCreateAndVerifySampleFiles( void )
+{
+unsigned char ucStatus;
+
+	/* First create the volume. */
+	ucStatus = f_initvolume( ram_initfunc );
+
+	/* It is expected that the volume is not formatted. */
+	if( ucStatus == F_ERR_NOTFORMATTED )
+	{
+		/* Format the created volume. */
+		ucStatus = f_format( F_FAT12_MEDIA );
+	}
+
+	if( ucStatus == F_NO_ERROR )
+	{
+		/* Create a set of files using f_write(). */
+		prvCreateDemoFilesUsing_f_write();
+
+		/* Read back and verify the files that were created using f_write(). */
+		prvVerifyDemoFileUsing_f_read();
+
+		/* Create sub directories two deep then create a file using putc. */
+		prvCreateDemoFileUsing_f_putc();
+
+		/* Read back and verify the file created by
+		prvCreateDemoFileUsing_f_putc(). */
+		prvVerifyDemoFileUsing_f_getc();
+	}
+}
+/*-----------------------------------------------------------*/
+
+static void prvCreateDemoFilesUsing_f_write( void )
+{
+BaseType_t xFileNumber, xWriteNumber;
+char cFileName[ fsMAX_FILE_NAME_LEN ];
+const BaseType_t xMaxFiles = 5;
+long lItemsWritten;
+F_FILE *pxFile;
+
+	/* Create xMaxFiles files.  Each created file will be
+	( xFileNumber * fsRAM_BUFFER_SIZE ) bytes in length, and filled
+	with a different repeating character. */
+	for( xFileNumber = 1; xFileNumber <= xMaxFiles; xFileNumber++ )
+	{
+		/* Generate a file name. */
+		sprintf( cFileName, "root%03d.txt", ( int ) xFileNumber );
+
+		/* Obtain the current working directory and print out the file name and
+		the	directory into which the file is being written. */
+		f_getcwd( cRAMBuffer, fsRAM_BUFFER_SIZE );
+
+		/* Open the file, creating the file if it does not already exist. */
+		pxFile = f_open( cFileName, "w" );
+		configASSERT( pxFile );
+
+		/* Fill the RAM buffer with data that will be written to the file.  This
+		is just a repeating ascii character that indicates the file number. */
+		memset( cRAMBuffer, ( int ) ( '0' + xFileNumber ), fsRAM_BUFFER_SIZE );
+
+		/* Write the RAM buffer to the opened file a number of times.  The
+		number of times the RAM buffer is written to the file depends on the
+		file number, so the length of each created file will be different. */
+		for( xWriteNumber = 0; xWriteNumber < xFileNumber; xWriteNumber++ )
+		{
+			lItemsWritten = f_write( cRAMBuffer, fsRAM_BUFFER_SIZE, 1, pxFile );
+			configASSERT( lItemsWritten == 1 );
+		}
+
+		/* Close the file so another file can be created. */
+		f_close( pxFile );
+	}
+}
+/*-----------------------------------------------------------*/
+
+static void prvVerifyDemoFileUsing_f_read( void )
+{
+BaseType_t xFileNumber, xReadNumber;
+char cFileName[ fsMAX_FILE_NAME_LEN ];
+const BaseType_t xMaxFiles = 5;
+long lItemsRead, lChar;
+F_FILE *pxFile;
+
+	/* Read back the files that were created by
+	prvCreateDemoFilesUsing_f_write(). */
+	for( xFileNumber = 1; xFileNumber <= xMaxFiles; xFileNumber++ )
+	{
+		/* Generate the file name. */
+		sprintf( cFileName, "root%03d.txt", ( int ) xFileNumber );
+
+		/* Obtain the current working directory and print out the file name and
+		the	directory from which the file is being read. */
+		f_getcwd( cRAMBuffer, fsRAM_BUFFER_SIZE );
+
+		/* Open the file for reading. */
+		pxFile = f_open( cFileName, "r" );
+		configASSERT( pxFile );
+
+		/* Read the file into the RAM buffer, checking the file contents are as
+		expected.  The size of the file depends on the file number. */
+		for( xReadNumber = 0; xReadNumber < xFileNumber; xReadNumber++ )
+		{
+			/* Start with the RAM buffer clear. */
+			memset( cRAMBuffer, 0x00, fsRAM_BUFFER_SIZE );
+
+			lItemsRead = f_read( cRAMBuffer, fsRAM_BUFFER_SIZE, 1, pxFile );
+			configASSERT( lItemsRead == 1 );
+
+			/* Check the RAM buffer is filled with the expected data.  Each
+			file contains a different repeating ascii character that indicates
+			the number of the file. */
+			for( lChar = 0; lChar < fsRAM_BUFFER_SIZE; lChar++ )
+			{
+				configASSERT( cRAMBuffer[ lChar ] == ( '0' + ( char ) xFileNumber ) );
+			}
+		}
+
+		/* Close the file. */
+		f_close( pxFile );
+	}
+}
+/*-----------------------------------------------------------*/
+
+static void prvCreateDemoFileUsing_f_putc( void )
+{
+unsigned char ucReturn;
+int iByte, iReturned;
+F_FILE *pxFile;
+char cFileName[ fsMAX_FILE_NAME_LEN ];
+
+	/* Obtain and print out the working directory. */
+	f_getcwd( cRAMBuffer, fsRAM_BUFFER_SIZE );
+
+	/* Create a sub directory. */
+	ucReturn = f_mkdir( pcDirectory1 );
+	configASSERT( ucReturn == F_NO_ERROR );
+
+	/* Move into the created sub-directory. */
+	ucReturn = f_chdir( pcDirectory1 );
+	configASSERT( ucReturn == F_NO_ERROR );
+
+	/* Obtain and print out the working directory. */
+	f_getcwd( cRAMBuffer, fsRAM_BUFFER_SIZE );
+
+	/* Create a subdirectory in the new directory. */
+	ucReturn = f_mkdir( pcDirectory2 );
+	configASSERT( ucReturn == F_NO_ERROR );
+
+	/* Move into the directory just created - now two directories down from
+	the root. */
+	ucReturn = f_chdir( pcDirectory2 );
+	configASSERT( ucReturn == F_NO_ERROR );
+
+	/* Obtain and print out the working directory. */
+	f_getcwd( cRAMBuffer, fsRAM_BUFFER_SIZE );
+	configASSERT( strcmp( cRAMBuffer, pcFullPath ) == 0 );
+
+	/* Generate the file name. */
+	sprintf( cFileName, "%s.txt", pcDirectory2 );
+
+	/* Print out the file name and the directory into which the file is being
+	written. */
+	pxFile = f_open( cFileName, "w" );
+
+	/* Create a file 1 byte at a time.  The file is filled with incrementing
+	ascii characters starting from '0'. */
+	for( iByte = 0; iByte < fsPUTC_FILE_SIZE; iByte++ )
+	{
+		iReturned = f_putc( ( ( int ) '0' + iByte ), pxFile );
+		configASSERT( iReturned ==  ( ( int ) '0' + iByte ) );
+	}
+
+	/* Finished so close the file. */
+	f_close( pxFile );
+
+	/* Move back to the root directory. */
+	ucReturn = f_chdir( "../.." );
+	configASSERT( ucReturn == F_NO_ERROR );
+
+	/* Obtain and print out the working directory. */
+	f_getcwd( cRAMBuffer, fsRAM_BUFFER_SIZE );
+	configASSERT( strcmp( cRAMBuffer, pcRoot ) == 0 );
+}
+/*-----------------------------------------------------------*/
+
+static void prvVerifyDemoFileUsing_f_getc( void )
+{
+unsigned char ucReturn;
+int iByte, iReturned;
+F_FILE *pxFile;
+char cFileName[ fsMAX_FILE_NAME_LEN ];
+
+	/* Move into the directory in which the file was created. */
+	ucReturn = f_chdir( pcFullPath );
+	configASSERT( ucReturn == F_NO_ERROR );
+
+	/* Obtain and print out the working directory. */
+	f_getcwd( cRAMBuffer, fsRAM_BUFFER_SIZE );
+	configASSERT( strcmp( cRAMBuffer, pcFullPath ) == 0 );
+
+	/* Generate the file name. */
+	sprintf( cFileName, "%s.txt", pcDirectory2 );
+
+	/* This time the file is opened for reading. */
+	pxFile = f_open( cFileName, "r" );
+
+	/* Read the file 1 byte at a time. */
+	for( iByte = 0; iByte < fsPUTC_FILE_SIZE; iByte++ )
+	{
+		iReturned = f_getc( pxFile );
+		configASSERT( iReturned ==  ( ( int ) '0' + iByte ) );
+	}
+
+	/* Finished so close the file. */
+	f_close( pxFile );
+
+	/* Move back to the root directory. */
+	ucReturn = f_chdir( "../.." );
+	configASSERT( ucReturn == F_NO_ERROR );
+
+	/* Obtain and print out the working directory. */
+	f_getcwd( cRAMBuffer, fsRAM_BUFFER_SIZE );
+}
+
+
+
+

FreeRTOS-Plus/Demo/Common/FreeRTOS_Plus_UDP_Demos/CLICommands/CLI-commands.c

@@ -0,0 +1,664 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ *
+ * 1 tab == 4 spaces!
+ */
+
+ /******************************************************************************
+ *
+ * See the following URL for information on the commands defined in this file:
+ * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_UDP/Embedded_Ethernet_Examples/Ethernet_Related_CLI_Commands.shtml
+ *
+ ******************************************************************************/
+
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* Standard includes. */
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/* FreeRTOS+CLI includes. */
+#include "FreeRTOS_CLI.h"
+
+/* FreeRTOS+UDP includes, just to make the stats available to the CLI
+commands. */
+#include "FreeRTOS_UDP_IP.h"
+#include "FreeRTOS_Sockets.h"
+
+#ifndef  configINCLUDE_TRACE_RELATED_CLI_COMMANDS
+	#define configINCLUDE_TRACE_RELATED_CLI_COMMANDS 0
+#endif
+
+
+/*
+ * Implements the run-time-stats command.
+ */
+static BaseType_t prvTaskStatsCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/*
+ * Implements the task-stats command.
+ */
+static BaseType_t prvRunTimeStatsCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/*
+ * Implements the echo-three-parameters command.
+ */
+static BaseType_t prvThreeParameterEchoCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/*
+ * Implements the echo-parameters command.
+ */
+static BaseType_t prvParameterEchoCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/*
+ * Defines a command that prints out IP address information.
+ */
+static BaseType_t prvDisplayIPConfig( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/*
+ * Defines a command that prints out the gathered demo debug stats.
+ */
+static BaseType_t prvDisplayIPDebugStats( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/*
+ * Defines a command that sends an ICMP ping request to an IP address.
+ */
+static BaseType_t prvPingCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+
+/*
+ * Implements the "trace start" and "trace stop" commands;
+ */
+#if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
+	static BaseType_t prvStartStopTraceCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString );
+#endif
+
+/* Structure that defines the "ip-config" command line command. */
+static const CLI_Command_Definition_t xIPConfig =
+{
+	"ip-config",
+	"ip-config:\r\n Displays IP address configuration\r\n\r\n",
+	prvDisplayIPConfig,
+	0
+};
+
+#if configINCLUDE_DEMO_DEBUG_STATS != 0
+	/* Structure that defines the "ip-debug-stats" command line command. */
+	static const CLI_Command_Definition_t xIPDebugStats =
+	{
+		"ip-debug-stats", /* The command string to type. */
+		"ip-debug-stats:\r\n Shows some IP stack stats useful for debug - an example only.\r\n\r\n",
+		prvDisplayIPDebugStats, /* The function to run. */
+		0 /* No parameters are expected. */
+	};
+#endif /* configINCLUDE_DEMO_DEBUG_STATS */
+
+/* Structure that defines the "run-time-stats" command line command.   This
+generates a table that shows how much run time each task has */
+static const CLI_Command_Definition_t xRunTimeStats =
+{
+	"run-time-stats", /* The command string to type. */
+	"run-time-stats:\r\n Displays a table showing how much processing time each FreeRTOS task has used\r\n\r\n",
+	prvRunTimeStatsCommand, /* The function to run. */
+	0 /* No parameters are expected. */
+};
+
+/* Structure that defines the "task-stats" command line command.  This generates
+a table that gives information on each task in the system. */
+static const CLI_Command_Definition_t xTaskStats =
+{
+	"task-stats", /* The command string to type. */
+	"task-stats:\r\n Displays a table showing the state of each FreeRTOS task\r\n\r\n",
+	prvTaskStatsCommand, /* The function to run. */
+	0 /* No parameters are expected. */
+};
+
+/* Structure that defines the "echo_3_parameters" command line command.  This
+takes exactly three parameters that the command simply echos back one at a
+time. */
+static const CLI_Command_Definition_t xThreeParameterEcho =
+{
+	"echo-3-parameters",
+	"echo-3-parameters <param1> <param2> <param3>:\r\n Expects three parameters, echos each in turn\r\n\r\n",
+	prvThreeParameterEchoCommand, /* The function to run. */
+	3 /* Three parameters are expected, which can take any value. */
+};
+
+/* Structure that defines the "echo_parameters" command line command.  This
+takes a variable number of parameters that the command simply echos back one at
+a time. */
+static const CLI_Command_Definition_t xParameterEcho =
+{
+	"echo-parameters",
+	"echo-parameters <...>:\r\n Take variable number of parameters, echos each in turn\r\n\r\n",
+	prvParameterEchoCommand, /* The function to run. */
+	-1 /* The user can enter any number of commands. */
+};
+
+#if ipconfigSUPPORT_OUTGOING_PINGS == 1
+
+	/* Structure that defines the "ping" command line command.  This takes an IP
+	address or host name and (optionally) the number of bytes to ping as
+	parameters. */
+	static const CLI_Command_Definition_t xPing =
+	{
+		"ping",
+		"ping <ipaddress> <optional:bytes to send>:\r\n for example, ping 192.168.0.3 8, or ping www.example.com\r\n\r\n",
+		prvPingCommand, /* The function to run. */
+		-1 /* Ping can take either one or two parameter, so the number of parameters has to be determined by the ping command implementation. */
+	};
+
+#endif /* ipconfigSUPPORT_OUTGOING_PINGS */
+
+#if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
+	/* Structure that defines the "trace" command line command.  This takes a single
+	parameter, which can be either "start" or "stop". */
+	static const CLI_Command_Definition_t xStartStopTrace =
+	{
+		"trace",
+		"trace [start | stop]:\r\n Starts or stops a trace recording for viewing in FreeRTOS+Trace\r\n\r\n",
+		prvStartStopTraceCommand, /* The function to run. */
+		1 /* One parameter is expected.  Valid values are "start" and "stop". */
+	};
+#endif /* configINCLUDE_TRACE_RELATED_CLI_COMMANDS */
+
+/*-----------------------------------------------------------*/
+
+void vRegisterCLICommands( void )
+{
+	/* Register all the command line commands defined immediately above. */
+	FreeRTOS_CLIRegisterCommand( &xTaskStats );
+	FreeRTOS_CLIRegisterCommand( &xRunTimeStats );
+	FreeRTOS_CLIRegisterCommand( &xThreeParameterEcho );
+	FreeRTOS_CLIRegisterCommand( &xParameterEcho );
+	FreeRTOS_CLIRegisterCommand( &xIPDebugStats );
+	FreeRTOS_CLIRegisterCommand( &xIPConfig );
+
+	#if ipconfigSUPPORT_OUTGOING_PINGS == 1
+	{
+		FreeRTOS_CLIRegisterCommand( &xPing );
+	}
+	#endif /* ipconfigSUPPORT_OUTGOING_PINGS */
+
+	#if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
+		FreeRTOS_CLIRegisterCommand( & xStartStopTrace );
+	#endif
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t prvTaskStatsCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+{
+const char *const pcHeader = "  State\tPriority\tStack\t#\r\n************************************************\r\n";
+BaseType_t xSpacePadding;
+
+	/* Remove compile time warnings about unused parameters, and check the
+	write buffer is not NULL.  NOTE - for simplicity, this example assumes the
+	write buffer length is adequate, so does not check for buffer overflows. */
+	( void ) pcCommandString;
+	( void ) xWriteBufferLen;
+	configASSERT( pcWriteBuffer );
+
+	/* Generate a table of task stats. */
+	strcpy( pcWriteBuffer, "Task" );
+	pcWriteBuffer += strlen( pcWriteBuffer );
+
+	/* Pad the string "task" with however many bytes necessary to make it the
+	length of a task name.  Minus three for the null terminator and half the 
+	number of characters in	"Task" so the column lines up with the centre of 
+	the heading. */
+	for( xSpacePadding = strlen( "Task" ); xSpacePadding < ( configMAX_TASK_NAME_LEN - 3 ); xSpacePadding++ )
+	{
+		/* Add a space to align columns after the task's name. */
+		*pcWriteBuffer = ' ';
+		pcWriteBuffer++;
+
+		/* Ensure always terminated. */
+		*pcWriteBuffer = 0x00;
+	}
+	strcpy( pcWriteBuffer, pcHeader );
+	vTaskList( pcWriteBuffer + strlen( pcHeader ) );
+
+	/* There is no more data to return after this single string, so return
+	pdFALSE. */
+	return pdFALSE;
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t prvRunTimeStatsCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+{
+const char * const pcHeader = "  Abs Time      % Time\r\n****************************************\r\n";
+BaseType_t xSpacePadding;
+
+	/* Remove compile time warnings about unused parameters, and check the
+	write buffer is not NULL.  NOTE - for simplicity, this example assumes the
+	write buffer length is adequate, so does not check for buffer overflows. */
+	( void ) pcCommandString;
+	( void ) xWriteBufferLen;
+	configASSERT( pcWriteBuffer );
+
+	/* Generate a table of task stats. */
+	strcpy( pcWriteBuffer, "Task" );
+	pcWriteBuffer += strlen( pcWriteBuffer );
+
+	/* Pad the string "task" with however many bytes necessary to make it the
+	length of a task name.  Minus three for the null terminator and half the 
+	number of characters in	"Task" so the column lines up with the centre of 
+	the heading. */
+	for( xSpacePadding = strlen( "Task" ); xSpacePadding < ( configMAX_TASK_NAME_LEN - 3 ); xSpacePadding++ )
+	{
+		/* Add a space to align columns after the task's name. */
+		*pcWriteBuffer = ' ';
+		pcWriteBuffer++;
+
+		/* Ensure always terminated. */
+		*pcWriteBuffer = 0x00;
+	}
+
+	strcpy( pcWriteBuffer, pcHeader );
+	vTaskGetRunTimeStats( pcWriteBuffer + strlen( pcHeader ) );
+
+	/* There is no more data to return after this single string, so return
+	pdFALSE. */
+	return pdFALSE;
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t prvThreeParameterEchoCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+{
+const char *pcParameter;
+BaseType_t xParameterStringLength, xReturn;
+static BaseType_t lParameterNumber = 0;
+
+	/* Remove compile time warnings about unused parameters, and check the
+	write buffer is not NULL.  NOTE - for simplicity, this example assumes the
+	write buffer length is adequate, so does not check for buffer overflows. */
+	( void ) pcCommandString;
+	( void ) xWriteBufferLen;
+	configASSERT( pcWriteBuffer );
+
+	if( lParameterNumber == 0 )
+	{
+		/* The first time the function is called after the command has been
+		entered just a header string is returned. */
+		sprintf( pcWriteBuffer, "The three parameters were:\r\n" );
+
+		/* Next time the function is called the first parameter will be echoed
+		back. */
+		lParameterNumber = 1L;
+
+		/* There is more data to be returned as no parameters have been echoed
+		back yet. */
+		xReturn = pdPASS;
+	}
+	else
+	{
+		/* Obtain the parameter string. */
+		pcParameter = FreeRTOS_CLIGetParameter
+						(
+							pcCommandString,		/* The command string itself. */
+							lParameterNumber,		/* Return the next parameter. */
+							&xParameterStringLength	/* Store the parameter string length. */
+						);
+
+		/* Sanity check something was returned. */
+		configASSERT( pcParameter );
+
+		/* Return the parameter string. */
+		memset( pcWriteBuffer, 0x00, xWriteBufferLen );
+		sprintf( pcWriteBuffer, "%d: ", ( int ) lParameterNumber );
+		strncat( pcWriteBuffer, pcParameter, xParameterStringLength );
+		strncat( pcWriteBuffer, "\r\n", strlen( "\r\n" ) );
+
+		/* If this is the last of the three parameters then there are no more
+		strings to return after this one. */
+		if( lParameterNumber == 3L )
+		{
+			/* If this is the last of the three parameters then there are no more
+			strings to return after this one. */
+			xReturn = pdFALSE;
+			lParameterNumber = 0L;
+		}
+		else
+		{
+			/* There are more parameters to return after this one. */
+			xReturn = pdTRUE;
+			lParameterNumber++;
+		}
+	}
+
+	return xReturn;
+}
+/*-----------------------------------------------------------*/
+
+static BaseType_t prvParameterEchoCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+{
+const char *pcParameter;
+BaseType_t xParameterStringLength, xReturn;
+static BaseType_t lParameterNumber = 0;
+
+	/* Remove compile time warnings about unused parameters, and check the
+	write buffer is not NULL.  NOTE - for simplicity, this example assumes the
+	write buffer length is adequate, so does not check for buffer overflows. */
+	( void ) pcCommandString;
+	( void ) xWriteBufferLen;
+	configASSERT( pcWriteBuffer );
+
+	if( lParameterNumber == 0 )
+	{
+		/* The first time the function is called after the command has been
+		entered just a header string is returned. */
+		sprintf( pcWriteBuffer, "The parameters were:\r\n" );
+
+		/* Next time the function is called the first parameter will be echoed
+		back. */
+		lParameterNumber = 1L;
+
+		/* There is more data to be returned as no parameters have been echoed
+		back yet. */
+		xReturn = pdPASS;
+	}
+	else
+	{
+		/* Obtain the parameter string. */
+		pcParameter = FreeRTOS_CLIGetParameter
+						(
+							pcCommandString,		/* The command string itself. */
+							lParameterNumber,		/* Return the next parameter. */
+							&xParameterStringLength	/* Store the parameter string length. */
+						);
+
+		if( pcParameter != NULL )
+		{
+			/* Return the parameter string. */
+			memset( pcWriteBuffer, 0x00, xWriteBufferLen );
+			sprintf( pcWriteBuffer, "%d: ", ( int ) lParameterNumber );
+			strncat( pcWriteBuffer, pcParameter, xParameterStringLength );
+			strncat( pcWriteBuffer, "\r\n", strlen( "\r\n" ) );
+
+			/* There might be more parameters to return after this one. */
+			xReturn = pdTRUE;
+			lParameterNumber++;
+		}
+		else
+		{
+			/* No more parameters were found.  Make sure the write buffer does
+			not contain a valid string. */
+			pcWriteBuffer[ 0 ] = 0x00;
+
+			/* No more data to return. */
+			xReturn = pdFALSE;
+
+			/* Start over the next time this command is executed. */
+			lParameterNumber = 0;
+		}
+	}
+
+	return xReturn;
+}
+/*-----------------------------------------------------------*/
+
+#if ipconfigSUPPORT_OUTGOING_PINGS == 1
+
+	static BaseType_t prvPingCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+	{
+	char * pcParameter;
+	BaseType_t lParameterStringLength, xReturn;
+	uint32_t ulIPAddress, ulBytesToPing;
+	const uint32_t ulDefaultBytesToPing = 8UL;
+	char cBuffer[ 16 ];
+
+		/* Remove compile time warnings about unused parameters, and check the
+		write buffer is not NULL.  NOTE - for simplicity, this example assumes the
+		write buffer length is adequate, so does not check for buffer overflows. */
+		( void ) pcCommandString;
+		( void ) xWriteBufferLen;
+		configASSERT( pcWriteBuffer );
+
+		/* Start with an empty string. */
+		pcWriteBuffer[ 0 ] = 0x00;
+
+		/* Obtain the number of bytes to ping. */
+		pcParameter = ( char * ) FreeRTOS_CLIGetParameter
+								(
+									pcCommandString,		/* The command string itself. */
+									2,						/* Return the second parameter. */
+									&lParameterStringLength	/* Store the parameter string length. */
+								);
+
+		if( pcParameter == NULL )
+		{
+			/* The number of bytes was not specified, so default it. */
+			ulBytesToPing = ulDefaultBytesToPing;
+		}
+		else
+		{
+			ulBytesToPing = atol( pcParameter );
+		}
+
+		/* Obtain the IP address string. */
+		pcParameter = ( char * ) FreeRTOS_CLIGetParameter
+								(
+									pcCommandString,		/* The command string itself. */
+									1,						/* Return the first parameter. */
+									&lParameterStringLength	/* Store the parameter string length. */
+								);
+
+		/* Sanity check something was returned. */
+		configASSERT( pcParameter );
+
+		/* Attempt to obtain the IP address.   If the first character is not a
+		digit, assume the host name has been passed in. */
+		if( ( *pcParameter >= '0' ) && ( *pcParameter <= '9' ) )
+		{
+			ulIPAddress = FreeRTOS_inet_addr( pcParameter );
+		}
+		else
+		{
+			/* Terminate the host name. */
+			pcParameter[ lParameterStringLength ] = 0x00;
+
+			/* Attempt to resolve host. */
+			ulIPAddress = FreeRTOS_gethostbyname( pcParameter );
+		}
+
+		/* Convert IP address, which may have come from a DNS lookup, to string. */
+		FreeRTOS_inet_ntoa( ulIPAddress, cBuffer );
+
+		if( ulIPAddress != 0 )
+		{
+			xReturn = FreeRTOS_SendPingRequest( ulIPAddress, ( uint16_t ) ulBytesToPing, portMAX_DELAY );
+		}
+		else
+		{
+			xReturn = pdFALSE;
+		}
+
+		if( xReturn == pdFALSE )
+		{
+			sprintf( pcWriteBuffer, "%s", "Could not send ping request\r\n" );
+		}
+		else
+		{
+			sprintf( pcWriteBuffer, "Ping sent to %s with identifier %d\r\n", cBuffer, xReturn );
+		}
+
+		return pdFALSE;
+	}
+	/*-----------------------------------------------------------*/
+
+#endif /* ipconfigSUPPORT_OUTGOING_PINGS */
+
+#if configINCLUDE_DEMO_DEBUG_STATS != 0
+
+	static BaseType_t prvDisplayIPDebugStats( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+	{
+	static BaseType_t xIndex = -1;
+	extern xExampleDebugStatEntry_t xIPTraceValues[];
+	BaseType_t xReturn;
+
+		/* Remove compile time warnings about unused parameters, and check the
+		write buffer is not NULL.  NOTE - for simplicity, this example assumes the
+		write buffer length is adequate, so does not check for buffer overflows. */
+		( void ) pcCommandString;
+		( void ) xWriteBufferLen;
+		configASSERT( pcWriteBuffer );
+
+		xIndex++;
+
+		if( xIndex < xExampleDebugStatEntries() )
+		{
+			sprintf( pcWriteBuffer, "%s %d\r\n", xIPTraceValues[ xIndex ].pucDescription, ( int ) xIPTraceValues[ xIndex ].ulData );
+			xReturn = pdPASS;
+		}
+		else
+		{
+			/* Reset the index for the next time it is called. */
+			xIndex = -1;
+
+			/* Ensure nothing remains in the write buffer. */
+			pcWriteBuffer[ 0 ] = 0x00;
+			xReturn = pdFALSE;
+		}
+
+		return xReturn;
+	}
+	/*-----------------------------------------------------------*/
+
+#endif /* configINCLUDE_DEMO_DEBUG_STATS */
+
+static BaseType_t prvDisplayIPConfig( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+{
+static BaseType_t xIndex = 0;
+BaseType_t xReturn;
+uint32_t ulAddress;
+
+	/* Remove compile time warnings about unused parameters, and check the
+	write buffer is not NULL.  NOTE - for simplicity, this example assumes the
+	write buffer length is adequate, so does not check for buffer overflows. */
+	( void ) pcCommandString;
+	( void ) xWriteBufferLen;
+	configASSERT( pcWriteBuffer );
+
+	switch( xIndex )
+	{
+		case 0 :
+			FreeRTOS_GetAddressConfiguration( &ulAddress, NULL, NULL, NULL );
+			sprintf( pcWriteBuffer, "\r\nIP address " );
+			xReturn = pdTRUE;
+			xIndex++;
+			break;
+
+		case 1 :
+			FreeRTOS_GetAddressConfiguration( NULL, &ulAddress, NULL, NULL );
+			sprintf( pcWriteBuffer, "\r\nNet mask " );
+			xReturn = pdTRUE;
+			xIndex++;
+			break;
+
+		case 2 :
+			FreeRTOS_GetAddressConfiguration( NULL, NULL, &ulAddress, NULL );
+			sprintf( pcWriteBuffer, "\r\nGateway address " );
+			xReturn = pdTRUE;
+			xIndex++;
+			break;
+
+		case 3 :
+			FreeRTOS_GetAddressConfiguration( NULL, NULL, NULL, &ulAddress );
+			sprintf( pcWriteBuffer, "\r\nDNS server address " );
+			xReturn = pdTRUE;
+			xIndex++;
+			break;
+
+		default :
+			ulAddress = 0;
+			sprintf( pcWriteBuffer, "\r\n\r\n" );
+			xReturn = pdFALSE;
+			xIndex = 0;
+			break;
+	}
+
+	if( ulAddress != 0 )
+	{
+		FreeRTOS_inet_ntoa( ulAddress,  &( pcWriteBuffer[ strlen( pcWriteBuffer ) ] ) );
+	}
+
+	return xReturn;
+}
+/*-----------------------------------------------------------*/
+
+#if configINCLUDE_TRACE_RELATED_CLI_COMMANDS == 1
+
+	static BaseType_t prvStartStopTraceCommand( char *pcWriteBuffer, size_t xWriteBufferLen, const char *pcCommandString )
+	{
+	const char *pcParameter;
+	BaseType_t lParameterStringLength;
+
+		/* Remove compile time warnings about unused parameters, and check the
+		write buffer is not NULL.  NOTE - for simplicity, this example assumes the
+		write buffer length is adequate, so does not check for buffer overflows. */
+		( void ) pcCommandString;
+		( void ) xWriteBufferLen;
+		configASSERT( pcWriteBuffer );
+
+		/* Obtain the parameter string. */
+		pcParameter = FreeRTOS_CLIGetParameter
+						(
+							pcCommandString,		/* The command string itself. */
+							1,						/* Return the first parameter. */
+							&lParameterStringLength	/* Store the parameter string length. */
+						);
+
+		/* Sanity check something was returned. */
+		configASSERT( pcParameter );
+
+		/* There are only two valid parameter values. */
+		if( strncmp( pcParameter, "start", strlen( "start" ) ) == 0 )
+		{
+			/* Start or restart the trace. */
+			vTraceStop();
+			vTraceClear();
+			vTraceStart();
+
+			sprintf( pcWriteBuffer, "Trace recording (re)started.\r\n" );
+		}
+		else if( strncmp( pcParameter, "stop", strlen( "stop" ) ) == 0 )
+		{
+			/* End the trace, if one is running. */
+			vTraceStop();
+			sprintf( pcWriteBuffer, "Stopping trace recording.\r\n" );
+		}
+		else
+		{
+			sprintf( pcWriteBuffer, "Valid parameters are 'start' and 'stop'.\r\n" );
+		}
+
+		/* There is no more data to return after this single string, so return
+		pdFALSE. */
+		return pdFALSE;
+	}
+
+#endif /* configINCLUDE_TRACE_RELATED_CLI_COMMANDS */