def errback(failure: Failure, pdu: EventBase):
failure.trap(SynapseError)
with PreserveLoggingContext(ctx):
logger.warning(
"Signature check failed for %s: %s",
pdu.event_id,
failure.getErrorMessage(),
)
return failure
def _handshakeFailure(self, failure):
"""
Pass on the failure to L{abortHandshake}.
"""
if failure.check(ResponseFailed):
# The parser failed to parse the response, let's wrap it in
# a HandshakeProtocolError
failure = Failure(HandshakeProtocolError(failure.value))
# Bail out in case of unexpected errors
failure.trap(HandshakeError)
self.abortHandshake(failure)
def _unrecoverable_state_errback(self, failure: Failure):
failure.trap(UnrecoverableState)
import datetime
# called after the state raises an UnrecoverableState
# log the error and shutdown
self._logger.error('Simulation has reach an unrecoverable state. '
'Aborting.')
err_log_path = \
Path(f'./errlog_{datetime.datetime.now():%Y%m%d_%H%M%S.%f}.json')
with err_log_path.open('w') as fp:
print(failure.getErrorMessage(), file=fp)
self._logger.error('Details of variables which failed sanity checks '
f'have been output to {err_log_path.resolve()}')
self._reactor.stop()
def unwrapFirstError(failure: Failure) -> Failure:
# defer.gatherResults and DeferredLists wrap failures.
failure.trap(defer.FirstError)
return failure.value.subFailure # type: ignore[union-attr] # Issue in Twisted's annotations
def disconnected(f: Failure) -> None:
f.trap(ConnectionDone)
self._log.debug("Event source disconnected: {id}", id=id(request))
self.storeObserver.removeListener(request)
def unwrapFirstError(failure: Failure) -> Failure:
# Deprecated: you probably just want to catch defer.FirstError and reraise
# the subFailure's value, which will do a better job of preserving stacktraces.
# (actually, you probably want to use yieldable_gather_results anyway)
failure.trap(defer.FirstError)
return failure.value.subFailure # type: ignore[union-attr] # Issue in Twisted's annotations
def no_samples_to_send(failure: Failure):
failure.trap(NoSensorUpdate)
# no sensor data to send, ignore
return
def disconnected(f: Failure) -> None:
f.trap(ConnectionDone)
self._log.debug("Event source disconnected: {id}", id=id(request))
self.storeObserver.removeListener(request)
def busy_errback(fail: Failure) -> None:
fail.trap(BusyControllerException)
self._log.warn('Controller is busy, discarding received samples.')
