Connack.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_PACKETS_CONNACK_H
#define IOT_MQTTFAST_PACKETS_CONNACK_H
 
#include "iot/mqtt-fast/ControlPacket.h"
 
namespace iot::mqtt_fast {
    class ControlPacketFactory;
}
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#include <cstdint>
 
#endif // DOXYGEN_SHOULD_SKIP_THIS
 
#define MQTT_CONNACK 0x02
 
#define MQTT_CONNACK_ACCEPT 0
#define MQTT_CONNACK_UNACEPTABLEVERSION 1
#define MQTT_CONNACK_IDENTIFIERREJECTED 2
#define MQTT_CONNACK_SERVERUNAVAILABLE 3
#define MQTT_CONNACK_BADUSERNAMEORPASSWORD 4
#define MQTT_CONNACK_NOTAUTHORIZED 5
 
#define MQTT_SESSION_NEW 0x00
#define MQTT_SESSION_PRESENT 0x01
 
namespace iot::mqtt_fast::packets {
 
    class Connack : public iot::mqtt_fast::ControlPacket {
    public:
        explicit Connack(uint8_t reason, uint8_t flags);
        explicit Connack(mqtt_fast::ControlPacketFactory& controlPacketFactory);
 
        uint8_t getFlags() const;
 
        uint8_t getReason() const;
 
    private:
        uint8_t flags = 0;
        uint8_t reason = 0;
    };
 
} // namespace iot::mqtt_fast::packets
 
#endif // IOT_MQTTFAST_PACKETS_CONNACK_H