dt1t and counter and refactoring using embedded interfaces

src/udi/mqtt/mqtt.go

@@ -7,6 +7,7 @@ import MQTT "github.com/eclipse/paho.mqtt.golang"
 import "github.com/google/uuid"
 import "crypto/tls"
 import "udi/config"
+import "udi/counter"
 
 type Message struct {
   Topic string
@@ -26,10 +27,12 @@ func onMessageReceived(client MQTT.Client, message MQTT.Message) {
   }
   select {
   case InputChannel <- m:
+    counter.S("Received")
     {}
     //log.Println("Message sent to channel")
   default:
     log.Println("Channel full, message lost")
+    counter.F("Received")
   }
 }
 
@@ -54,7 +57,7 @@ func onConnect(client MQTT.Client) {
     if token := client.Subscribe(topic, 0, onMessageReceived); token.Wait() && token.Error() != nil {
       log.Fatalf("Unable to subscribe to topic %s, error %s", topic, token.Error())
     }
-    log.Printf("Successfully subscribed to topic %s", topic)
+    log.Printf("Topic %s subscribed", topic)
   }
 }
 
@@ -101,19 +104,19 @@ func StartMqttClient() {
 
   enableTls := config.Config.Mqtt.TlsEnable
   if enableTls == "true" {
-    log.Println("Enabling TLS connection")
+    //log.Println("Enabling TLS connection")
     tlsConfig := &tls.Config { 
       InsecureSkipVerify: true, 
     }
     opts.SetTLSConfig(tlsConfig)
 	}
 
-  log.Println("Trying to connect to broker")
+  log.Println("Broker connecting")
   mqttClient = MQTT.NewClient(opts)
   if token := mqttClient.Connect(); token.Wait() && token.Error() != nil {
     log.Fatalf("Unable to connect to broker %s, error %s", broker, token.Error())
   }
-  log.Printf("Successfully connected to broker %s", broker)
+  //log.Printf("Successfully connected to broker %s", broker)
 
   go outputDispatcher(mqttClient)