Session.h

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/*
 * SNode.C - a slim toolkit for network communication
 * Copyright (C) Volker Christian <me@vchrist.at>
 *               2020, 2021, 2022, 2023, 2024, 2025
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef IOT_MQTT_SERVER_BROKER_SESSION_H
#define IOT_MQTT_SERVER_BROKER_SESSION_H
 
#include "iot/mqtt/Session.h"
#include "iot/mqtt/server/broker/Message.h" // IWYU pragma: export
 
namespace iot::mqtt::server {
    class Mqtt;
} // namespace iot::mqtt::server
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#include <cstdint>
#include <deque>
#include <nlohmann/json_fwd.hpp>
 
#endif // DOXYGEN_SHOULD_SKIP_THIS
 
namespace iot::mqtt::server::broker {
 
    class Session : public iot::mqtt::Session {
    public:
        Session() = default;
        explicit Session(iot::mqtt::server::Mqtt* mqtt);
 
        void sendPublish(iot::mqtt::server::broker::Message& message, uint8_t qoS, bool retain);
 
        void publishQueued();
 
        Session* renew(iot::mqtt::server::Mqtt* mqtt);
 
        void retain();
 
        bool isActive() const;
        bool isOwnedBy(const iot::mqtt::server::Mqtt* mqtt) const;
 
        nlohmann::json toJson() const final;
        void fromJson(const nlohmann::json& json);
 
    private:
        iot::mqtt::server::Mqtt* mqtt = nullptr;
 
        std::deque<Message> messageQueue;
    };
 
} // namespace iot::mqtt::server::broker
 
#endif // IOT_MQTT_SERVER_BROKER_SESSION_H