initial check-in

Mqtt2ThingBoardGateWay.py

@@ -0,0 +1,79 @@
+#!/usr/bin/python
+#Bosch Home Automation <> MQTT Gateway
+
+import requests, json, time
+import paho.mqtt.client as mqtt
+
+class Mqtt2ThingBoard:
+    
+    #Mosquitto Settings
+    client_name = "Mqtt2ThingBoardGateWay"
+    host_name = "192.168.178.36"
+    host_port = 1884
+
+    mqtt_client = mqtt.Client(client_name)
+
+    tb_gateway_user = "K9iW4T5E7tVeP4ZyapxB"
+    tb_port = 1883
+    tb_client = mqtt.Client(tb_gateway_user)
+
+    #Sent MQTT Debugging Message
+    def publishDebugMsg(self,msg):
+        self.mqtt_client.publish("Mqtt2ThingBoardGateWay/debug",msg,0,True)
+        print(msg)
+
+    #Sent message to MQTT telemetry
+    def publishTelemetryMsg(self,msg):
+        self.tb_client.publish("v1/gateway/telemetry",msg,0,True)
+        
+    
+
+    #react to MQTT scenario requests:
+    def onMqttMessage(self, client, userdata, message):
+            #currently only react on trigger="ON"
+            if (str(message.payload.decode("utf-8")) == "ON"):
+                self.mqtt_client.publish(message.topic,"OFF", 0,True)
+                for s in self.Scenarios:
+                    topic = "bsh/scenarios/"+s["name"].replace(" ","_")+"/trigger"
+                    if (topic == message.topic):                    
+                        self.publishDebugMsg("   Scenario triggered: "+s["name"])
+                        url = self.baseurl + "/smarthome/scenarios/"+s["id"]+"/triggers"
+                        postRequest = requests.post(url, data="", headers = self.getURLHeaders(),
+                        verify = False, cert = self.getCertificate())
+                        data =  json.loads(postRequest.text)[0]['result']
+                        if "errorCode" in data:
+                            self.publishDebugMsg("Error occured during Scenario Call:")
+                            self.publishDebugMsg(data["errorCode"])
+
+    #subscribe to message to trigger scenarios                
+    def subscribeToMqttInputs(self):
+        pass
+        #TODO    
+            
+    #set up the system: login to MQTT + get all needed data from the BSH
+    def __init__(self):                
+        self.publishDebugMsg("Connecting to MQTT Server")
+        self.mqtt_client.connect(self.host_name,self.host_port)
+
+        self.publishDebugMsg("Connecting to ThingsBoard Mqtt Gateway")
+        self.tb_client.connect(self.host_name,self.tb_port)
+
+        self.publishDebugMsg("Setting up the Environment...")        
+        
+        self.publishDebugMsg("Subscribe to MQTT Messages")
+        self.subscribeToMqttInputs()
+
+        self.publishTelemetryMsg("{\"TempSensorBuero\":[{\"temperature\":11.8}]}")
+        
+
+    def loop(self):
+            #Restart Long Polling every second
+            while True:
+                self.mqtt_client.loop_start()                                
+                time.sleep(1)
+                self.mqtt_client.loop_stop()
+        
+
+
+Mqtt2ThingBoardGateWay = Mqtt2ThingBoard()
+Mqtt2ThingBoardGateWay.loop()