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
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * 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
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
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#include "SubProtocolFactory.h"
 
#include "lib/BridgeStore.h"
#include "lib/Mqtt.h"
 
#include <core/socket/stream/SocketConnection.h>
#include <web/websocket/SubProtocolContext.h>
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#include <cstdint>
#include <list>
#include <log/Logger.h>
 
#endif
 
namespace mqtt::mqttbridge::websocket {
 
#define NAME "mqtt"
 
    SubProtocolFactory::SubProtocolFactory()
        : web::websocket::SubProtocolFactory<iot::mqtt::client::SubProtocol>::SubProtocolFactory(NAME) {
    }
 
    iot::mqtt::client::SubProtocol* SubProtocolFactory::create(web::websocket::SubProtocolContext* subProtocolContext) {
        const mqtt::bridge::lib::Broker& broker =
            mqtt::bridge::lib::BridgeStore::instance().getBroker(subProtocolContext->getSocketConnection()->getInstanceName());
 
        VLOG(1) << "  Creating Broker instance '" << broker.getName() << "' of Bridge '" << broker.getBridge().getName() << "'";
        VLOG(1) << "    Bridge client id : " << broker.getClientId();
        VLOG(1) << "    Transport: " << broker.getTransport();
        VLOG(1) << "    Protocol: " << broker.getProtocol();
        VLOG(1) << "    Encryption: " << broker.getEncryption();
 
        VLOG(1) << "    Topics:";
        const std::list<iot::mqtt::Topic>& topics = broker.getTopics();
        for (const iot::mqtt::Topic& topic : topics) {
            VLOG(1) << "      " << static_cast<uint16_t>(topic.getQoS()) << ":" << topic.getName();
        }
 
        return new iot::mqtt::client::SubProtocol(
            subProtocolContext,
            getName(),
            new mqtt::bridge::lib::Mqtt(subProtocolContext->getSocketConnection()->getConnectionName(), broker));
    }
 
} // namespace mqtt::mqttbridge::websocket
 
extern "C" mqtt::mqttbridge::websocket::SubProtocolFactory* mqttClientSubProtocolFactory() {
    return new mqtt::mqttbridge::websocket::SubProtocolFactory();
}