Quick MQTT Example

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#include "qmlmqttclient.h" #include <QDebug> QmlMqttClient::QmlMqttClient(QObject *parent) : QMqttClient(parent) { } QmlMqttSubscription* QmlMqttClient::subscribe(const QString &topic) { auto sub = QMqttClient::subscribe(topic, 0); auto result = new QmlMqttSubscription(sub, this); return result; } QmlMqttSubscription::QmlMqttSubscription(QMqttSubscription *s, QmlMqttClient *c) : sub(s) , client(c) { connect(sub, &QMqttSubscription::messageReceived, this, &QmlMqttSubscription::handleMessage); m_topic = sub->topic(); } QmlMqttSubscription::~QmlMqttSubscription() { } void QmlMqttSubscription::handleMessage(const QMqttMessage &qmsg) { emit messageReceived(qmsg.payload()); }