mqtt stuff 4

src/locsrv/mqtt/mqtt.go

@@ -31,19 +31,21 @@ func New() *MqttHandle {
   }
 
   mqttHandle.pubTopic = os.Getenv("MQTT_TOPIC")
-  if mqttHandle.pubTopic != "" {
+  if mqttHandle.pubTopic == "" {
     log.Printf("No topic set")
     mqttHandle.initialized = false
   }
+  log.Printf("MQTT connection established")
   return &mqttHandle
 }
 
-func (self *MqttHandle) Publish(message string) error {
+func (self *MqttHandle) Publish(topicPost string, message string) error {
   if ! self.initialized {
     return fmt.Errorf("MQTT connection not initialized")
   }
 
-  token := self.client.Publish(self.pubTopic, 0, false, message) 
+  topic := fmt.Sprintf("%s/%s", self.pubTopic, topicPost)
+  token := self.client.Publish(topic, 0, false, message) 
   token.Wait()
   if token.Error() != nil {
     return fmt.Errorf("MQTT publish failed: %v", token.Error())