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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QMQTTSUBSCRIPTION_H
#define QMQTTSUBSCRIPTION_H
#include <QtMqtt/qmqttglobal.h>
#include <QtMqtt/qmqttmessage.h>
#include <QtMqtt/qmqtttopicfilter.h>
#include <QtCore/QObject>
QT_BEGIN_NAMESPACE
class QMqttClient;
class QMqttSubscriptionPrivate;
class Q_MQTT_EXPORT QMqttSubscription : public QObject
{
Q_OBJECT
Q_ENUMS(SubscriptionState)
Q_PROPERTY(SubscriptionState state READ state NOTIFY stateChanged)
Q_PROPERTY(quint8 qos READ qos NOTIFY qosChanged)
Q_PROPERTY(QMqttTopicFilter topic READ topic)
Q_PROPERTY(QString reason READ reason)
Q_PROPERTY(QMqtt::ReasonCode reasonCode READ reasonCode)
Q_PROPERTY(bool sharedSubscription READ isSharedSubscription)
Q_PROPERTY(QString sharedSubscriptionName READ sharedSubscriptionName)
public:
~QMqttSubscription() override;
enum SubscriptionState {
Unsubscribed = 0,
SubscriptionPending,
Subscribed,
UnsubscriptionPending,
Error
};
SubscriptionState state() const;
QMqttTopicFilter topic() const;
quint8 qos() const;
QString reason() const;
QMqtt::ReasonCode reasonCode() const;
QMqttUserProperties userProperties() const;
bool isSharedSubscription() const;
QString sharedSubscriptionName() const;
Q_SIGNALS:
void stateChanged(SubscriptionState state);
void qosChanged(quint8); // only emitted when broker provides different QoS than requested
void messageReceived(QMqttMessage msg);
public Q_SLOTS:
void unsubscribe();
private:
Q_DECLARE_PRIVATE(QMqttSubscription)
Q_DISABLE_COPY(QMqttSubscription)
void setState(SubscriptionState state);
void setTopic(const QMqttTopicFilter &topic);
void setClient(QMqttClient *client);
void setQos(quint8 qos);
void setSharedSubscription(bool s);
void setSharedSubscriptionName(const QString &name);
friend class QMqttConnection;
friend class QMqttClient;
explicit QMqttSubscription(QObject *parent = nullptr);
};
QT_END_NAMESPACE
#endif // QMQTTSUBSCRIPTION_H
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