nymea-mqtt/libnymea-mqtt/mqttpacket.h

143 lines
4.5 KiB
C++

// SPDX-License-Identifier: LGPL-3.0-or-later
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* nymea-mqtt
* MQTT library for nymea
*
* Copyright (C) 2013 - 2024, nymea GmbH
* Copyright (C) 2024 - 2025, chargebyte austria GmbH
*
* This file is part of nymea-mqtt.
*
* nymea-mqtt 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.
*
* nymea-mqtt 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 nymea-mqtt. If not, see <https://www.gnu.org/licenses/>.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#ifndef MQTTPACKET_H
#define MQTTPACKET_H
#include <QByteArray>
#include <QByteArray>
#include <QList>
#include <QLoggingCategory>
#include <QSharedDataPointer>
#include "mqtt.h"
#include "mqttsubscription.h"
class MqttPacketPrivate;
class MqttPacket
{
public:
enum Type {
TypeConnect = 0x10,
TypeConnack = 0x20,
TypePublish = 0x30,
TypePuback = 0x40,
TypePubrec = 0x50,
TypePubrel = 0x60,
TypePubcomp = 0x70,
TypeSubscribe = 0x80,
TypeSuback = 0x90,
TypeUnsubscribe = 0xa0,
TypeUnsuback = 0xb0,
TypePingreq = 0xc0,
TypePingresp = 0xd0,
TypeDisconnect = 0xe0
};
MqttPacket();
MqttPacket(const MqttPacket &other);
MqttPacket(Type type, quint16 packetId = 0, Mqtt::QoS qos = Mqtt::QoS0, bool retain = false, bool dup = false);
~MqttPacket();
Type type() const;
bool dup() const;
void setDup(bool dup);
Mqtt::QoS qos() const;
void setQoS(Mqtt::QoS qoS);
bool retain() const;
void setRetain(bool retain);
// CONNECT
void setCleanSession(bool cleanSession);
bool cleanSession() const;
Mqtt::ConnectFlags connectFlags() const;
QByteArray protocolName() const;
Mqtt::Protocol protocolLevel() const;
void setProtocolLevel(Mqtt::Protocol protocolLevel);
quint16 keepAlive() const;
void setKeepAlive(quint16 keepAlive);
QByteArray clientId() const;
void setClientId(const QByteArray &clientId);
QByteArray willTopic() const;
void setWillTopic(const QByteArray &willTopic);
QByteArray willMessage() const;
void setWillMessage(const QByteArray &willMessage);
Mqtt::QoS willQoS() const;
void setWillQoS(Mqtt::QoS willQoS);
bool willRetain() const;
void setWillRetain(bool willRetain);
QByteArray username() const;
void setUsername(const QByteArray &username);
QByteArray password() const;
void setPassword(const QByteArray &password);
// CONNACK
Mqtt::ConnectReturnCode connectReturnCode() const;
void setConnectReturnCode(Mqtt::ConnectReturnCode connectReturnCode);
Mqtt::ConnackFlags connackFlags() const;
void setConnackFlags(Mqtt::ConnackFlags connackFlags);
// PUBLISH/SUBSCRIBE
quint16 packetId() const;
void setPacketId(quint16 packetId);
// PUBLISH
QByteArray topic() const;
void setTopic(const QByteArray &topic);
QByteArray payload() const;
void setPayload(const QByteArray &payload);
// SUBSCRIBE
MqttSubscriptions subscriptions() const;
void setSubscriptions(const MqttSubscriptions &subscriptions);
void addSubscription(const MqttSubscription &subscription);
// SUBACK
Mqtt::SubscribeReturnCodes subscribeReturnCodes() const;
void setSubscribeReturnCodes(const Mqtt::SubscribeReturnCodes subscribeReturnCodes);
void addSubscribeReturnCode(Mqtt::SubscribeReturnCode subscribeReturnCode);
// Takes a buffer and fills the packet accordingly.
// Returns the length of data used from the buffer on success, bad() will return false
// Returns -1 on bad data input, bad() will return true
// Returns 0 if input data is ok, but not long enough, bad() will return true
int parse(const QByteArray &buffer);
QByteArray serialize() const;
bool operator==(const MqttPacket &other) const;
MqttPacket &operator=(const MqttPacket &other);
private:
QSharedDataPointer<MqttPacketPrivate> d_ptr;
};
typedef QList<MqttPacket> MqttPackets;
#endif // MQTTPACKET_H