SubProtocolFactory.cpp

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/*
 * MQTTSuite - A lightweight MQTT Integration System
 * Copyright (C) Volker Christian <me@vchrist.at>
 *               2022, 2023, 2024, 2025
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
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 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <https://www.gnu.org/licenses/>.
 */
 
/*
 * MIT License
 *
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 * of this software and associated documentation files (the "Software"), to deal
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 */
 
#include "SubProtocolFactory.h"
 
#include "lib/JsonMappingReader.h"
#include "lib/Mqtt.h"
 
#include <core/socket/stream/SocketConnection.h>
#include <iot/mqtt/server/broker/Broker.h>
#include <web/websocket/SubProtocolContext.h>
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#include <nlohmann/json.hpp>
#include <utils/Config.h>
 
#endif
 
namespace mqtt::mqttbroker::websocket {
 
#define NAME "mqtt"
 
    SubProtocolFactory::SubProtocolFactory()
        : web::websocket::SubProtocolFactory<iot::mqtt::server::SubProtocol>::SubProtocolFactory(NAME) {
    }
 
    iot::mqtt::server::SubProtocol* SubProtocolFactory::create(web::websocket::SubProtocolContext* subProtocolContext) {
        return new iot::mqtt::server::SubProtocol(
            subProtocolContext,
            getName(),
            new mqtt::mqttbroker::lib::Mqtt(
                subProtocolContext->getSocketConnection()->getConnectionName(),
                iot::mqtt::server::broker::Broker::instance(SUBSCRIPTION_MAX_QOS,
                                                            utils::Config::getStringOptionValue("--mqtt-session-store")),
                mqtt::lib::JsonMappingReader::readMappingFromFile(utils::Config::getStringOptionValue("--mqtt-mapping-file"))["mapping"]));
    }
 
} // namespace mqtt::mqttbroker::websocket
 
extern "C" void* mqttServerSubProtocolFactory() {
    return new mqtt::mqttbroker::websocket::SubProtocolFactory();
}