ControlPacketFactory.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_MQTTFAST_CONTROLPACKETFACTORY_H
#define IOT_MQTTFAST_CONTROLPACKETFACTORY_H
 
#include "iot/mqtt-fast/types/Binary.h"
#include "iot/mqtt-fast/types/Int_1.h"
#include "iot/mqtt-fast/types/Int_V.h"
 
namespace core::socket {
    class SocketContext;
}
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#include <cstddef>
#include <cstdint>
 
#endif // DOXYGEN_SHOULD_SKIP_THIS
 
namespace iot::mqtt_fast {
 
    class ControlPacketFactory {
    public:
        explicit ControlPacketFactory(core::socket::SocketContext* socketContext);
 
        std::size_t construct();
        bool isComplete() const;
        bool isError() const;
        iot::mqtt_fast::types::Binary& getPacket();
        uint8_t getPacketType();
        uint8_t getPacketFlags();
        uint64_t getRemainingLength();
 
        void reset();
 
    private:
        bool completed = false;
        bool error = false;
        int state = 0;
 
        iot::mqtt_fast::types::Int_1 typeFlags;
        iot::mqtt_fast::types::Int_V remainingLength;
        iot::mqtt_fast::types::Binary data;
    };
 
} // namespace iot::mqtt_fast
 
#endif // IOT_MQTTFAST_CONTROLPACKETFACTORY_H