Publish.cpp

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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/>.
 */
 
#include "iot/mqtt/packets/Publish.h"
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#include <vector>
 
#endif // DOXYGEN_SHOULD_SKIP_THIS
 
namespace iot::mqtt::packets {
 
    Publish::Publish()
        : iot::mqtt::ControlPacket(MQTT_PUBLISH, "PUBLISH") {
    }
 
    Publish::Publish(uint16_t packetIdentifier, const std::string& topic, const std::string& message, uint8_t qoS, bool dup, bool retain)
        : Publish() {
        this->flags = static_cast<uint8_t>((dup ? 0x08 : 0x00) | ((qoS << 1) & 0x06) | (retain ? 0x01 : 0x00));
        this->packetIdentifier = packetIdentifier;
        this->topic = topic;
        this->message = message;
        this->dup = dup;
        this->qoS = qoS;
        this->retain = retain;
    }
 
    std::vector<char> Publish::serializeVP() const {
        std::vector<char> packet(topic.serialize());
 
        if (qoS > 0) {
            std::vector<char> tmpVector = packetIdentifier.serialize();
            packet.insert(packet.end(), tmpVector.begin(), tmpVector.end());
        }
 
        std::vector<char> tmpVector = message.serialize();
        packet.insert(packet.end(), tmpVector.begin(), tmpVector.end());
 
        return packet;
    }
 
    bool Publish::getDup() const {
        return dup;
    }
 
    uint8_t Publish::getQoS() const {
        return qoS;
    }
 
    uint16_t Publish::getPacketIdentifier() const {
        return packetIdentifier;
    }
 
    std::string Publish::getTopic() const {
        return topic;
    }
 
    std::string Publish::getMessage() const {
        return message;
    }
 
    bool Publish::getRetain() const {
        return retain;
    }
 
} // namespace iot::mqtt::packets