def got_failure(self, state, failure):
error_handler(self, failure)
msg = message.ResponseMessage()
msg.payload['succeed'] = False
msg.payload['exception'] = type(failure.value)
msg.payload['message'] = failure.getErrorMessage()
state.medium.reply(msg)
def _error_handler(self, f):
if f.check(FiberCancelled):
self._terminate(ProtocolFailed("Fiber was cancelled because "
"the state of the medium changed. This happens "
"when constructing a fiber with a canceller."))
error_handler(self, f)
self._set_state(self.error_state)
self._terminate(f)
def _error_handler(self, f):
# FIXME: This has been commented out, because I have a feeling that
# this code cannot be accessed.
# if f.check(FiberCancelled):
# self._terminate(ProtocolFailed("Fiber was cancelled because "
# "the state of the medium changed. This happens "
# "when constructing a fiber with a canceller."))
if f.check(defer.CancelledError):
# this is what happens when the call is cancelled by the
# _call() method, just swallow it
pass
else:
error_handler(self, f)
self._set_state(self.error_state)
self._terminate(f)
def _error_handler(self, f):
error_handler(self, f)
self.send_output(f.getErrorMessage())
self.on_finish()
def _call(self, method, *args, **kwargs):
'''Call the method, wrap it in Deferred and bind error handler'''
d = defer.maybeDeferred(method, *args, **kwargs)
d.addErrback(lambda f: error_handler(self, f))
return d
def _error_handler(self, fail):
error_handler(self, fail)
return FailResponse(success=False, failure=fail)
