def connectionLost(self, reason):
"""
Clean up when the connection has been lost.
When the loss of connection was initiated by the client due to a
timeout, the L{_timedOut} flag will be set. When it was initiated by
the client due to an error in the server greeting, L{_greetingError}
will be set to the server response minus the status indicator.
@type reason: L{Failure <twisted.python.failure.Failure>}
@param reason: The reason the connection was terminated.
"""
if self.timeout > 0:
self.setTimeout(None)
if self._timedOut:
reason = error.TimeoutError()
elif self._greetingError:
reason = ServerErrorResponse(self._greetingError)
d = []
if self._waiting is not None:
d.append(self._waiting)
self._waiting = None
if self._blockedQueue is not None:
d.extend([deferred for (deferred, f, a) in self._blockedQueue])
self._blockedQueue = None
for w in d:
w.errback(reason)
def state_SHORT(self, line):
"""
Handle server responses for the SHORT state in which the server is
expected to send a single line response.
Parse the response and fire the deferred which is waiting on receipt of
a complete response. Transition the state back to WAITING.
@type line: L{bytes}
@param line: A line received from the server.
@rtype: L{bytes}
@return: The next state.
"""
deferred, self._waiting = self._waiting, None
self._unblock()
code, status = _codeStatusSplit(line)
if code == OK:
deferred.callback(status)
else:
deferred.errback(ServerErrorResponse(status))
return "WAITING"
def state_LONG_INITIAL(self, line):
"""
Handle server responses for the LONG_INITIAL state in which the server
is expected to send the first line of a multi-line response.
Parse the response. On an OK response, transition the state to
LONG. On an ERR response, cleanup and transition the state to
WAITING.
@type line: L{bytes}
@param line: A line received from the server.
@rtype: L{bytes}
@return: The next state.
"""
code, status = _codeStatusSplit(line)
if code == OK:
return "LONG"
consumer = self._consumer
deferred = self._waiting
self._consumer = self._waiting = self._xform = None
self._unblock()
deferred.errback(ServerErrorResponse(status, consumer))
return "WAITING"
