add AwsPublish

AwsPublish.py

@@ -0,0 +1,53 @@
+import threading
+import paho.mqtt.client as mqtt
+from logger import Logger
+import json
+import datetime
+from time import mktime
+
+
+CA_CERTS = "VeriSign-Class 3-Public-Primary-Certification-Authority-G5.pem"
+CERT_FILE = "aws-certificate.pem.crt"
+KEY_FILE = "aws-private.pem.key"
+MQTT_HOST = "a86hx9xnv9yty.iot.us-west-2.amazonaws.com"
+MQTT_PORT = 8883
+CLIENT_ID = "d0bf9c206e14x"
+
+class MyEncoder(json.JSONEncoder):
+
+    def default(self, obj):
+        if isinstance(obj, datetime.datetime):
+            return str(obj)
+
+        return json.JSONEncoder.default(self, obj)
+
+class AwsPublish(threading.Thread):
+    def __init__(self, queue):
+        threading.Thread.__init__(self)
+        self.queue = queue
+        self.setDaemon(True)
+
+    def run(self):
+        client = mqtt.Client()
+        client.tls_set(ca_certs=CA_CERTS, certfile=CERT_FILE, keyfile=KEY_FILE)
+        client.connect(MQTT_HOST, MQTT_PORT, 60)
+        
+        client.loop_start()
+
+        while True:
+            try:
+                msg = self.queue.get()
+                dataBlock = msg['data']
+                if 'decodedTelegram' in dataBlock:
+                     del dataBlock['decodedTelegram']
+                if 'telegram' in dataBlock:
+                    del dataBlock['telegram']
+                metadataBlock = msg['metadata']
+                if 'Slave' in metadataBlock:
+                    if metadataBlock['Slave'] == 'Thermometer' and metadataBlock['device'] == 'ModbusHub':
+                        metadataBlock['name'] = 'FridgeThermometer'
+                topic = "IoT/ParsedData/%s" % metadataBlock['name']
+                client.publish(topic, json.dumps(msg, cls=MyEncoder))
+                Logger.log("RePublisher has sent data")
+            except Exception, e:
+                Logger.log("Unexcepted exception %s in RePublisher: %s" % (e.__class__.__name__, str(e)))

mqtt2mongo.py

@@ -10,6 +10,7 @@ from MongoWriter import MongoWriter
 from MeterBusDecoder import MeterBusDecoder
 from RePublisher import RePublisher
 from MonitorPublisher import MonitorPublisher
+from AwsPublish import AwsPublish
 from Broker import Broker
 import Queue
 import os
@@ -85,6 +86,11 @@ try:
     monitorpublisher.start()
     Logger.log("MonitorPublisher started ...")
 
+    queue6 = broker.subscribe('awspublish')
+    awspublish = RePublisher(queue6)
+    awspublish.start()
+    Logger.log("AwsPublish started ...")
+    
     
     Logger.log("mqtt2mongo running")