2021-11-30 14:51:24 +01:00

124 lines
4.8 KiB
C

/*
* AWS IoT Over-the-air Update v3.2.0
* 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.
*/
/**
* @file ota_interface_private.h
* @brief Contains function definitions and structures for data and control interfaces.
*/
#ifndef OTA_INTERFACE_PRIVATE_H
#define OTA_INTERFACE_PRIVATE_H
/* *INDENT-OFF* */
#ifdef __cplusplus
extern "C" {
#endif
/* *INDENT-ON* */
/* OTA includes. */
#include "ota.h"
#include "ota_private.h"
/* General Constants. */
/* OTA control protocol constants. */
#define OTA_CONTROL_OVER_MQTT 0x00000001 /*!< Specify control over mqtt. */
/* OTA data protocol constants. */
#define OTA_DATA_OVER_MQTT 0x00000001 /*!< Specify data over mqtt. */
#define OTA_DATA_OVER_HTTP 0x00000002 /*!< Specify data over http. */
#define OTA_DATA_NUM_PROTOCOLS ( 2U ) /*!< Number of protocols supported. */
/**
* @brief Represents the OTA control interface functions.
*
* The functions in this structure are used for the control operations
* during over the air updates like OTA job status updates.
*/
typedef struct
{
OtaErr_t ( * requestJob )( OtaAgentContext_t * pAgentCtx ); /*!< Request for the next available OTA job from the job service. */
OtaErr_t ( * updateJobStatus )( OtaAgentContext_t * pAgentCtx,
OtaJobStatus_t status,
int32_t reason,
int32_t subReason ); /*!< Updates the OTA job status with information like in progress, completion, or failure. */
OtaErr_t ( * cleanup )( const OtaAgentContext_t * pAgentCtx ); /*!< Cleanup related to OTA control plane. */
} OtaControlInterface_t;
/**
* @brief Represents the OTA data interface functions.
*
* The functions in this structure are used for the data operations
* during over the air updates like requesting file blocks.
*/
typedef struct
{
OtaErr_t ( * initFileTransfer )( OtaAgentContext_t * pAgentCtx ); /*!< Initialize file transfer. */
OtaErr_t ( * requestFileBlock )( OtaAgentContext_t * pAgentCtx ); /*!< Request File block. */
OtaErr_t ( * decodeFileBlock )( const uint8_t * pMessageBuffer,
size_t messageSize,
int32_t * pFileId,
int32_t * pBlockId,
int32_t * pBlockSize,
uint8_t ** pPayload,
size_t * pPayloadSize ); /*!< Decode a cbor encoded fileblock. */
OtaErr_t ( * cleanup )( const OtaAgentContext_t * pAgentCtx ); /*!< Cleanup related to OTA data plane. */
} OtaDataInterface_t;
/**
* @brief Set control interface for OTA operations.
*
* This function updates the OTA control operation functions as per the config
* options selected.
*
* @param[out] pControlInterface OTA Control interface.
*
*/
void setControlInterface( OtaControlInterface_t * pControlInterface );
/**
* @brief Set the data interface used for OTA operations.
*
* This function updates the OTA data operation based on the config options.
* The interface can be set to the MQTT interface or the HTTP interface.
*
* These interfaces can be enabled with the configENABLED_DATA_PROTOCOLS macro.
* The protocol interface that should be prioritized when both protocols are
* valid options is configured with the configOTA_PRIMARY_DATA_PROTOCOL macro.
*
* @param[out] pDataInterface OTA data interface to overwrite.
*
* @param[in] pProtocol String containing a list of protocols that may be set.
*
*/
OtaErr_t setDataInterface( OtaDataInterface_t * pDataInterface,
const uint8_t * pProtocol );
/* *INDENT-OFF* */
#ifdef __cplusplus
}
#endif
/* *INDENT-ON* */
#endif /* ifndef OTA_INTERFACE_PRIVATE_H */