def handle_write(self):
POLLER.unset_writable(self)
if not utils_net.isconnected(self.endpoint, self.sock):
self._connection_failed()
return
deferred = Deferred()
deferred.add_callback(self._handle_connect)
deferred.add_errback(self._handle_connect_error)
deferred.callback(utils.ticks())
def _connection_failed(self):
''' Failed to connect first available epnt '''
if self.sock:
POLLER.unset_writable(self)
self.sock = None # MUST be below unset_writable()
if not self.epnts:
self.aterror.callback_each_np(self)
return
self._connect()
def handle_write(self):
#
# Deal with the case where send() is blocked by recv(), that happens
# when we are using SSL and recv() returned WANT_WRITE. In the common
# case, this costs just one extra if in the fast path.
#
if self.send_blocked:
logging.debug('stream: handle_write() => handle_read()')
POLLER.set_readable(self)
if not self.send_octets:
POLLER.unset_writable(self)
self.send_blocked = False
self.handle_read()
return
status, count = self.sock.sosend(self.send_octets)
#
# Optimisation: reorder if branches such that the ones more relevant
# for better performance come first. Testing in early 2011 showed that
# this arrangement allows to gain a little more speed. (And the code
# is still readable.)
#
if status == SUCCESS and count > 0:
self.bytes_out += count
if count == len(self.send_octets):
POLLER.unset_writable(self)
self.send_octets = EMPTY_STRING
self.send_complete(self)
return
if count < len(self.send_octets):
self.send_octets = six.buff(self.send_octets, count)
return
raise RuntimeError('stream: invalid count')
if status == WANT_WRITE:
return
if status == WANT_READ:
logging.debug('stream: blocking recv()')
POLLER.unset_writable(self)
POLLER.set_readable(self)
self.recv_blocked = True
return
if status == CONNRST and count == 0:
logging.debug('stream: RST')
self.conn_rst = True
POLLER.close(self)
return
if status == SUCCESS and count < 0:
raise RuntimeError('stream: negative count')
raise RuntimeError('stream: invalid status')
def handle_write(self):
POLLER.unset_writable(self)
self.handshake()
