Home page show mqtt status

WifiControlSensor/MQTT.ino

@@ -26,6 +26,10 @@ int setupMQTT(char *server, char *user, char *passwd, int port) {
   return 0;
 }
 
+int MQTT_isConnected(){
+  return mqtt->connected();
+}
+
 // Function to connect and reconnect as necessary to the MQTT server.
 // Should be called in the loop function and it will take care if connecting.
 int MQTT_connect() {

WifiControlSensor/WebServer.ino

@@ -1,6 +1,7 @@
 void handleRoot() {
   server.send(200, "text/html", "<h1>You are connected</h1><br/>"
               "Current temperature " + String(temp, 2) + "C<br/>"
+              "MQTT Status :" + (MQTT_isConnected()? "Connected":"Disconnected") +"<br/>"
               "<a href=\"/setup\">Setup</a><br/>"
               "<a href=\"/otamode\">OTA mode</a><br/>"
               "<a href=\"/gpio?gpio=2&amp;value=1\">ON</a><br/>"

WifiControlSensor/WifiControlSensor.ino

@@ -70,6 +70,7 @@ int getTemperature(double &t);
 
 /* MQTT decl */
 int MQTT_connect();
+int MQTT_isConnected();
 int setupMQTT(char *server, char *user, char *passwd, int port);
 int publishMQTT(int temp);