new

MonitorPublisher.py

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+import threading
+import paho.mqtt.client as mqtt
+from logger import Logger
+import json
+import datetime
+from time import mktime, localtime
+
+
+class MyEncoder(json.JSONEncoder):
+
+    def default(self, obj):
+        if isinstance(obj, datetime.datetime):
+            return str(obj)
+
+        return json.JSONEncoder.default(self, obj)
+
+class MonitorPublisher(threading.Thread):
+    def __init__(self, queue, broker):
+        threading.Thread.__init__(self)
+        self.queue = queue
+        self.broker = broker
+        self.setDaemon(True)
+
+    def run(self):
+        client = mqtt.Client()
+        client.connect(self.broker, 1883, 60)
+	client.loop_start()
+
+        lastEvent = 0.0
+        while True:
+            try:
+                msg = self.queue.get()
+
+                monitorMessages = [
+                                    ['header1', 'body1'],
+                                    ['header1', 'body1'],
+                                    ['header1', 'body1'],
+                                    ['header1', 'body1'],
+                                    ['header1', 'body1'],
+                                    ['header1', 'body1'],
+                                    ['header1', 'body1'],
+                                    ['header1', 'body1'],
+                                    ['header1', 'body1'],
+                                    ['header1', 'body1'],
+                                    ['header1', 'body1'],
+                                    ['header1', 'body1'],
+                                    ['header1', 'body1']
+                                  ]
+		currentTime = mktime(localtime())
+		if (currentTime > lastEvent + 60):
+		    lastEvent = currentTime
+                    client.publish("IoT/Message/Monitor", monitorMsg)
+		    Logger.log("MonitorPublisher has sent data")
+            except Exception, e:
+                Logger.log("Unexcepted exception %s in MonitorPublisher: %s" % (e.__class__.__name__, str(e)))