def writer(self):
""" Reads from the socket and writes to the serial port. """
while not self.__stopped:
try:
try:
data = self.__connection.recv(1024)
if not data:
LOGGER.info(
'Stopping maintenance mode due to no data.')
break
if data.startswith('exit'):
LOGGER.info('Stopping maintenance mode due to exit.')
break
self.__gateway_api.send_maintenance_data(data)
except Exception as exception:
if System.handle_socket_exception(self.__connection,
exception, LOGGER):
continue
else:
break
except:
LOGGER.error('Exception in maintenance mode: %s\n',
traceback.format_exc())
break
self.__stopped = True
self.__reader_thread.join()
def _handle_connection(self):
"""
Handles one incoming connection.
"""
try:
self._connection.settimeout(1)
self._connection.sendall(
'Activating maintenance mode, waiting for other actions to complete ...\n'
)
self._activate()
self._connection.sendall('Connected\n')
while self._maintenance_communicator.is_active():
try:
try:
data = self._connection.recv(1024)
if not data:
logger.info(
'Stopping maintenance mode due to no data.')
break
if data.startswith('exit'):
logger.info(
'Stopping maintenance mode due to exit.')
break
self._maintenance_communicator.write(data)
except Exception as exception:
if System.handle_socket_exception(
self._connection, exception, logger):
continue
else:
logger.exception(
'Unexpected exception receiving connection data'
)
break
except Exception:
logger.exception('Exception in maintenance mode')
break
except InMaintenanceModeException:
self._connection.sendall('Maintenance mode already active.\n')
finally:
self._deactivate()
logger.info('Maintenance mode deactivated')
self._connection.close()
self._connection = None
def writer(self):
""" Reads from the socket and writes to the serial port. """
while not self.__stopped:
try:
try:
data = self.__connection.recv(1024)
if not data:
LOGGER.info('Stopping maintenance mode due to no data.')
break
if data.startswith('exit'):
LOGGER.info('Stopping maintenance mode due to exit.')
break
self.__gateway_api.send_maintenance_data(data)
except Exception as exception:
if System.handle_socket_exception(self.__connection, exception, LOGGER):
continue
else:
break
except Exception:
LOGGER.error('Exception in maintenance mode: %s\n', traceback.format_exc())
break
self.__stopped = True
self.__reader_thread.join()
