try:
     listener = Listener()
     listener.initCapturing(60)
     listener.initGetTimeFromGPS(600)
     
     # listen for commands via SMS
     thread.start_new_thread( listener.listenForCommands, () )
     listener.sendSMS("Device is up and listening")
     
     # main loop
     while True:
         time.sleep(4)
         
         temperatureExternal= listener.getTemperatureExternal()
         
         temperatureInternal = listener.getTemperatureInternal()
         
         gpsInfo, coords, height = listener.getGpsInfo()
         
         networkInfo = listener.getNetworkInfo(sendSMS=False)
         
         listener.logAllRecords(temperatureExternal, temperatureInternal, gpsInfo, coords, height, networkInfo)
         time.sleep(240)
 
 except Exception as e:
     print e
     try:
         with open("/root/logs/messages.log", "a") as myfile:
             s = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
             s += "    " + "main-loop" + "        " + str(e) + "\n"
             myfile.write(s)
    try:
        listener = Listener()
        listener.initCapturing(60)
        listener.initGetTimeFromGPS(600)

        # listen for commands via SMS
        thread.start_new_thread(listener.listenForCommands, ())
        listener.sendSMS("Device is up and listening")

        # main loop
        while True:
            time.sleep(4)

            temperatureExternal = listener.getTemperatureExternal()

            temperatureInternal = listener.getTemperatureInternal()

            gpsInfo, coords, height = listener.getGpsInfo()

            networkInfo = listener.getNetworkInfo(sendSMS=False)

            listener.logAllRecords(temperatureExternal, temperatureInternal,
                                   gpsInfo, coords, height, networkInfo)
            time.sleep(240)

    except Exception as e:
        print e
        try:
            with open("/root/logs/messages.log", "a") as myfile:
                s = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
                s += "    " + "main-loop" + "        " + str(e) + "\n"