BridgeStore.h

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/*
 * MQTTSuite - A lightweight MQTT Integration System
 * Copyright (C) Volker Christian <me@vchrist.at>
 *               2022, 2023, 2024, 2025, 2026
 *
 * 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
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * The above copyright notice and this permission notice shall be included in
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#ifndef BRIDGECONFIGLOADER_H
#define BRIDGECONFIGLOADER_H
 
#include "lib/Bridge.h" // IWYU pragma: export
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#include "nlohmann/json-schema.hpp"
 
#include <map>
#include <nlohmann/json.hpp>
// IWYU pragma: no_include <nlohmann/json_fwd.hpp>
#include <string>
 
#endif // DOXYGEN_SHOULD_SKIP_THIS
 
namespace mqtt::bridge::lib {
 
    class BridgeStore {
    private:
        BridgeStore() = default;
 
    public:
        BridgeStore(const BridgeStore&) = delete;
        BridgeStore(BridgeStore&&) = delete;
 
        BridgeStore& operator=(const BridgeStore&) = delete;
        BridgeStore& operator=(const BridgeStore&&) = delete;
 
        static BridgeStore& instance();
 
        bool loadAndValidate(const std::string& fileName);
        bool patch(const nlohmann::json& jsonPatch);
        void activateStaged();
 
        Broker* getBroker(const std::string& fullInstanceName);
        const std::map<std::string, Broker>& getBrokers() const;
 
        const std::map<const std::string, Bridge>& getBridgeMap();
 
        const nlohmann::json& getBridgesConfigJson();
 
        void mqttConnected(Broker& broker, mqtt::bridge::lib::Mqtt* mqtt) const;
        void mqttDisconnected(Broker& broker, mqtt::bridge::lib::Mqtt* mqtt) const;
 
    private:
        std::map<const std::string, Bridge> bridgeMap;
 
        nlohmann::json bridgesConfigJsonActive;
        nlohmann::json bridgesConfigJsonStaged;
        nlohmann::json_schema::json_validator validator;
 
        std::string fileName;
    };
 
} // namespace mqtt::bridge::lib
 
#endif // BRIDGECONFIGLOADER_H