77 lines
3.2 KiB
C
77 lines
3.2 KiB
C
|
/*------------------------------------------------------------------------------*
|
||
|
|
* Architecture & Implementation of DBMS *
|
||
|
|
*------------------------------------------------------------------------------*
|
||
|
|
* Copyright 2022 Databases and Information Systems Group TU Dortmund *
|
||
|
|
* Visit us at *
|
||
|
|
* http://dbis.cs.tu-dortmund.de/cms/en/home/ *
|
||
|
|
* *
|
||
|
|
* 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. *
|
||
|
|
* *
|
||
|
|
* Authors: *
|
||
|
|
* Maximilian Berens <maximilian.berens@tu-dortmund.de> *
|
||
|
|
* Roland Kühn <roland.kuehn@cs.tu-dortmund.de> *
|
||
|
|
* Jan Mühlig <jan.muehlig@tu-dortmund.de> *
|
||
|
|
*------------------------------------------------------------------------------*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <array>
|
||
|
|
#include <concurrency/transaction.h>
|
||
|
|
#include <concurrency/transaction_callback.h>
|
||
|
|
#include <config.h>
|
||
|
|
#include <database.h>
|
||
|
|
#include <io/command/commander.h>
|
||
|
|
#include <io/command/custom_commands.h>
|
||
|
|
#include <network/server.h>
|
||
|
|
|
||
|
|
namespace beedb::io
|
||
|
|
{
|
||
|
|
class ClientHandler : public network::ClientHandler
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
ClientHandler(Database &database) noexcept;
|
||
|
|
~ClientHandler() noexcept override = default;
|
||
|
|
std::optional<std::string> handle_message(const std::uint32_t client_id, const std::string &message) override;
|
||
|
|
void on_client_connected(const std::uint32_t id) override;
|
||
|
|
void on_client_disconnected(const std::uint32_t id) override;
|
||
|
|
void server(network::Server *server) override
|
||
|
|
{
|
||
|
|
network::ClientHandler::server(server);
|
||
|
|
_commander.register_command("stop", std::make_unique<command::StopServerCommand>(server));
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
Database &_database;
|
||
|
|
command::Commander _commander;
|
||
|
|
std::array<concurrency::Transaction *, Config::max_clients> _client_transactions;
|
||
|
|
};
|
||
|
|
|
||
|
|
class TransactionCallback : public concurrency::TransactionCallback
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
TransactionCallback(concurrency::Transaction *&transaction) : _transaction(transaction)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
~TransactionCallback() override = default;
|
||
|
|
|
||
|
|
void on_begin(concurrency::Transaction *transaction) override
|
||
|
|
{
|
||
|
|
_transaction = transaction;
|
||
|
|
}
|
||
|
|
void on_end(concurrency::Transaction *, const bool) override
|
||
|
|
{
|
||
|
|
_transaction = nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
concurrency::Transaction *&_transaction;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace beedb::io
|