-mqtt publish structure changes, added extra logger statements

conf/config.yml

-source:
-  host: "192.168.19.87"
-  port: 1883
-  topic: "ilens/monitor/live/site_143"
-  tag_old: "site_214$line_490$equipment_301$tag_572"
-  tag: "site_214$line_414$tag_155"
-
-destination:
-  host: "iot-hub.ilens.io"
-  port: 1883
-  topic: "ilens/monitor/live/site_203"
-  tag_old: "site_143$line_144$equipment_1050$tag_317"
-  tag: "site_143$line_152$tag_5790"
-  site_id: "site_143"
-
-#To send the recieved json as it is just mapping the mapping as empty
-
-mapping:
-  site_143$line_140$equipment_181$tag_198: site_203$line_282$equipment_444$tag_423
-  site_143$line_140$equipment_178$tag_198: site_203$line_282$equipment_438$tag_423
-  site_143$line_141$equipment_182$tag_198: site_203$line_283$equipment_445$tag_423
-  site_143$line_141$equipment_183$tag_198: site_203$line_283$equipment_446$tag_423
-  site_143$line_164$equipment_230$tag_198: site_203$line_288$equipment_449$tag_423
\ No newline at end of file

conf/site_203.json

@@ -2,12 +2,12 @@
   "source": {
     "ip": "192.168.0.220",
     "port": 1883,
-    "topic": "ilens/monitor/live/site_143"
+    "topic": "ilens/monitor/live/sit_143"
   },
   "destination": {
-    "ip": "iot-hub.ilens.io",
+    "ip": "192.168.0.220",
     "port": 1883,
-    "topic": "ilens/monitor/live/site_203"
+    "topic": "ilens/monitor/live/sit_203"
   },
   "mapper": {
     "site_143$line_140$equipment_181$tag_198": "site_203$line_282$equipment_444$tag_423",

main.py

@@ -25,7 +25,8 @@ class myThread(threading.Thread):
                     if tag in self.mapper:
                         new_data[self.mapper[tag]] = payload_data['data'][tag]
                 payload_data["data"] = new_data
-                self.mqtt_pub.publish_data(payload_data)
+                if payload_data["data"]:
+                    self.mqtt_pub.publish_data(payload_data)
 
 
 if __name__ == '__main__':

scripts/mqtt_publisher.py

@@ -30,15 +30,18 @@ class MQTTPublisher(object):
 
     def publish_data(self, message):
         try:
+            self.connect_to_destination()
             logger.debug("MQTT Publish to :{}".format(self.destination_topic))
             logger.debug("MQTT DATA : {}".format(str(message)))
             msg_info = self.mqtt_client.publish(self.destination_topic, json.dumps(message), qos=1)
+            self.mqtt_client.disconnect()
             if msg_info[0] == 4:
                 logger.debug("mqtt connection lost")
                 return False
             else:
                 logger.info("MQTT Message published successfully")
                 return True
+
         except Exception as e:
             logger.exception("Exception while publishing the message to topic:" + str(e))
             return False

scripts/mqtt_subscriber.py

@@ -17,7 +17,9 @@ class MQTTSubscriber:
     def on_message(self, client, userdata, message):
         try:
             logger.info("data arrived : {}".format(str(time.time())))
-            DATA_LIST.append(json.loads(message.payload))
+            payload = json.loads(message.payload)
+            logger.debug("Payload DATA : {}".format(payload["data"]))
+            DATA_LIST.append(payload)
         except Exception as es:
             logger.error("Exception in received data : {}".format(str(es)))