CC-4915: Media-Monitor cannot handle rabbitmq restart event

-fixed

python_apps/media-monitor2/media/monitor/eventdrainer.py

@@ -1,4 +1,5 @@
 import socket
+import time
 from media.monitor.log     import Loggable
 from media.monitor.toucher import RepeatTimer
 
@@ -7,13 +8,18 @@ class EventDrainer(Loggable):
     Flushes events from RabbitMQ that are sent from airtime every
     certain amount of time
     """
-    def __init__(self, connection, interval=1):
+    def __init__(self, airtime_notifier, interval=1):
         def cb():
-            # TODO : make 0.3 parameter configurable
-            try                   : connection.drain_events(timeout=0.3)
-            except socket.timeout : pass
-            except Exception as e :
-                self.fatal_exception("Error flushing events", e)
+            try:
+                message = airtime_notifier.simple_queue.get(block=True)
+                airtime_notifier.handle_message(message.payload)
+                message.ack()
+            except (IOError, AttributeError), e:
+                self.logger.error('Exception: %s', e)
+                while not airtime_notifier.init_rabbit_mq():
+                    self.logger.error("Error connecting to RabbitMQ Server. \
+                                      Trying again in few seconds")
+                    time.sleep(5)
 
         t        = RepeatTimer(interval, cb)
         t.daemon = True