Thermostat: add some code to publish messages

soft/thermostat/inc/mqttclient.h

@@ -10,6 +10,7 @@
 #define MQTTCLIENT_H
 
 #include <QHostAddress>
+#include <QTimer>
 
 #include "qmqtt.h"
 
@@ -21,11 +22,18 @@ public:
 			       const quint16 port = 1883,
 			       QObject* parent = NULL);
 	virtual ~MQTTSubcriber();
+	void publish_msg(const QString& topic, const QString& payload);
+
+private:
+	QTimer m_timer;
 
 public slots:
 	void onConnected();
 	void onSubscribed(const QString& topic);
 	void onReceived(const QMQTT::Message& message);
+	void onError(const QMQTT::ClientError error);
+	void onPublished(const QMQTT::Message& message, quint16 msgid);
+	void onDisconnected(void);
 
 signals:
 	void new_temperature(int idx, double val);

soft/thermostat/src/mqttclient.cpp

@@ -22,13 +22,19 @@ MQTTSubcriber::MQTTSubcriber(const QHostAddress& host, const quint16 port,
 	connect(this, &MQTTSubcriber::connected, this, &MQTTSubcriber::onConnected);
 	connect(this, &MQTTSubcriber::subscribed, this, &MQTTSubcriber::onSubscribed);
 	connect(this, &MQTTSubcriber::received, this, &MQTTSubcriber::onReceived);
-
+	connect(this, &MQTTSubcriber::published, this, &MQTTSubcriber::onPublished);
+	connect(this, &MQTTSubcriber::error, this, &MQTTSubcriber::onError);
 	qDebug() << "created" << endl;
 }
 
 MQTTSubcriber::~MQTTSubcriber() {
 }
 
+void MQTTSubcriber::onError(const QMQTT::ClientError error)
+{
+	qDebug() << "error" << error << endl;
+}
+
 void MQTTSubcriber::onConnected()
 {
 	qDebug() << "connected" << endl;
@@ -88,4 +94,22 @@ out:
 	return;
 }
 
+void MQTTSubcriber::onPublished(const QMQTT::Message& message, quint16 msgid)
+{
+	qDebug() << "published" << msgid << " payload: " << message.topic() << endl;
+}
+
+void MQTTSubcriber::onDisconnected(void)
+{
+	qDebug() << "disconnected" << endl;
+}
+
+void MQTTSubcriber::publish_msg(const QString& topic, const QString& payload)
+{
+	// id is automatically incremented if ==0 and QoS>0
+	// DUP: if a message is resent, it should have the DUP flag
+	QMQTT::Message message(0, topic, payload.toUtf8(), 1, true, false);
+	publish(message);
+}
+
 /* vim: set tabstop=8 shiftwidth=8 softtabstop=0 noexpandtab: */