Quick MQTT Example

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#ifndef QMLMQTTCLIENT_H #define QMLMQTTCLIENT_H #include <QtCore/QMap> #include <QtMqtt/QMqttClient> #include <QtMqtt/QMqttSubscription> class QmlMqttClient; class QmlMqttSubscription : public QObject { Q_OBJECT Q_PROPERTY(QMqttTopicFilter topic MEMBER m_topic NOTIFY topicChanged) public: QmlMqttSubscription(QMqttSubscription *s, QmlMqttClient *c); ~QmlMqttSubscription(); Q_SIGNALS: void topicChanged(QString); void messageReceived(const QString &msg); public slots: void handleMessage(const QMqttMessage &qmsg); private: Q_DISABLE_COPY(QmlMqttSubscription) QMqttSubscription *sub; QmlMqttClient *client; QMqttTopicFilter m_topic; }; class QmlMqttClient : public QMqttClient { Q_OBJECT public: QmlMqttClient(QObject *parent = nullptr); Q_INVOKABLE QmlMqttSubscription *subscribe(const QString &topic); private: Q_DISABLE_COPY(QmlMqttClient) }; #endif // QMLMQTTCLIENT_H