def _state_changed(self, previous_state, new_state):
"""Callback called whenever the underlying Receiver undergoes a change
of state. This function wraps the states as Enums to prepare for
calling the public callback.
:param previous_state: The previous Receiver state.
:type previous_state: int
:param new_state: The new Receiver state.
:type new_state: int
"""
try:
try:
_previous_state = constants.MessageReceiverState(previous_state)
except ValueError:
_previous_state = previous_state
try:
_new_state = constants.MessageReceiverState(new_state)
except ValueError:
_new_state = new_state
if _previous_state == constants.MessageReceiverState.Opening \
and _new_state == constants.MessageReceiverState.Error:
_logger.info("Receiver link failed to open - expecting to receive DETACH frame.")
elif self._session._link_error: # pylint: disable=protected-access
_logger.info("Receiver link ATTACH frame invalid - expecting to receive DETACH frame.")
else:
self.on_state_changed(_previous_state, _new_state)
except KeyboardInterrupt:
_logger.error("Received shutdown signal while updating receiver state from {} to {}".format(
previous_state, new_state))
self._error = errors.AMQPClientShutdown()
def _state_changed(self, previous_state, new_state):
"""Callback called whenever the underlying Receiver undergoes a change
of state. This function wraps the states as Enums to prepare for
calling the public callback.
:param previous_state: The previous Receiver state.
:type previous_state: int
:param new_state: The new Receiver state.
:type new_state: int
"""
try:
_previous_state = constants.MessageReceiverState(previous_state)
except ValueError:
_previous_state = new_state
try:
_new_state = constants.MessageReceiverState(new_state)
except ValueError:
_new_state = new_state
self.on_state_changed(_previous_state, _new_state)
def _state_changed(self, previous_state, new_state):
"""Callback called whenever the underlying Receiver undergoes a change
of state. This function wraps the states as Enums to prepare for
calling the public callback.
:param previous_state: The previous Receiver state.
:type previous_state: int
:param new_state: The new Receiver state.
:type new_state: int
"""
try:
_previous_state = constants.MessageReceiverState(previous_state)
except ValueError:
_previous_state = previous_state
try:
_new_state = constants.MessageReceiverState(new_state)
except ValueError:
_new_state = new_state
if _previous_state == constants.MessageReceiverState.Opening \
and _new_state == constants.MessageReceiverState.Error:
_logger.info("Receiver link failed to open - expecting to receive DETACH frame.")
else:
self.on_state_changed(_previous_state, _new_state)
