def _handler_disconnected_configure(self, *args, **kwargs):
"""
Configure driver for device comms.
@param args[0] Communiations config dictionary.
@retval (next_state, result) tuple, (None, None).
@raises InstrumentParameterException if missing or invalid param dict.
"""
next_state = None
result = None
# Get required config param dict.
try:
config = args[0]
except IndexError:
raise InstrumentParameterException(
'Missing comms config parameter.')
# Verify configuration dict, and update connection if possible.
try:
addr = config['addr']
port = config['port']
if isinstance(addr, str) and isinstance(port,
int) and len(addr) > 0:
self._connection = LoggerClient(addr, port)
else:
raise InstrumentParameterException(
'Invalid comms config dict.')
except (TypeError, KeyError):
raise InstrumentParameterException('Invalid comms config dict.')
return (next_state, result)
def _handler_unconfigured_configure(self, *args, **kwargs):
"""
Configure driver for device comms.
@param args[0] Communiations config dictionary.
@retval (next_state, result) tuple, (DriverConnectionState.DISCONNECTED,
None) if successful, (None, None) otherwise.
@raises InstrumentParameterException if missing or invalid param dict.
"""
next_state = None
result = None
# Get the required param dict.
try:
config = args[0]
except IndexError:
raise InstrumentParameterException(
'Missing comms config parameter.')
# Verify dict and construct connection client.
try:
addr = config['addr']
port = config['port']
if isinstance(addr, str) and isinstance(port,
int) and len(addr) > 0:
self._connection = LoggerClient(addr, port)
next_state = DriverConnectionState.DISCONNECTED
else:
raise InstrumentParameterException(
'Invalid comms config dict.')
except (TypeError, KeyError):
raise InstrumentParameterException('Invalid comms config dict.')
return (next_state, result)
