def _handle_connect(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
if self._connect_future is None:
gen_log.warning("Connect error on fd %s: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
if self._connect_future is not None:
future = self._connect_future
self._connect_future = None
future.set_result(self)
self._connecting = False
python类SO_ERROR的实例源码
def _handle_connect(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
if self._connect_future is None:
gen_log.warning("Connect error on fd %s: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
if self._connect_future is not None:
future = self._connect_future
self._connect_future = None
future.set_result(self)
self._connecting = False
def _sock_connect_cb(self, fut, sock, address):
if fut.cancelled():
return
try:
err = sock.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
# Jump to any except clause below.
raise OSError(err, 'Connect call failed %s' % (address,))
except (BlockingIOError, InterruptedError):
# socket is still registered, the callback will be retried later
pass
except Exception as exc:
fut.set_exception(exc)
else:
fut.set_result(None)
def handle_connect_event(self):
if not self.handshaking:
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
raise socket.error(err, _strerror(err))
self.socket = ssl.wrap_socket (self.socket, do_handshake_on_connect = False)
self.handshaking = True
try:
self.socket.do_handshake ()
except ssl.SSLError as why:
if why.args[0] in (ssl.SSL_ERROR_WANT_READ, ssl.SSL_ERROR_WANT_WRITE):
return # retry handshake
raise ssl.SSLError(why)
# handshaking done
self.handle_connect()
self.connected = True
def _handle_connect(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
if self._connect_future is None:
gen_log.warning("Connect error on fd %s: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
if self._connect_future is not None:
future = self._connect_future
self._connect_future = None
future.set_result(self)
self._connecting = False
def _handle_connect(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
logging.warning("Connect error on fd %d: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
self._connecting = False
def _sock_connect_cb(self, fut, sock, address):
if fut.cancelled():
return
try:
err = sock.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
# Jump to any except clause below.
raise OSError(err, 'Connect call failed %s' % (address,))
except (BlockingIOError, InterruptedError):
# socket is still registered, the callback will be retried later
pass
except Exception as exc:
fut.set_exception(exc)
else:
fut.set_result(None)
def _handle_connect(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
gen_log.warning("Connect error on fd %d: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
self._connecting = False
def _handle_connect(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
if self._connect_future is None:
gen_log.warning("Connect error on fd %s: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
if self._connect_future is not None:
future = self._connect_future
self._connect_future = None
future.set_result(self)
self._connecting = False
def _handle_connect(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
logging.warning("Connect error on fd %d: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
self._connecting = False
def _sock_connect_cb(self, fut, sock, address):
if fut.cancelled():
return
try:
err = sock.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
# Jump to any except clause below.
raise OSError(err, 'Connect call failed %s' % (address,))
except (BlockingIOError, InterruptedError):
# socket is still registered, the callback will be retried later
pass
except Exception as exc:
fut.set_exception(exc)
else:
fut.set_result(None)
def _handle_connect(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
gen_log.warning("Connect error on fd %d: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
self._connecting = False
def _Dynamic_GetSocketOptions(self, request, response):
state = self._LookupSocket(request.socket_descriptor())
for opt in request.options_list():
if (opt.level() ==
remote_socket_service_pb.SocketOption.SOCKET_SOL_SOCKET and
opt.option() ==
remote_socket_service_pb.SocketOption.SOCKET_SO_ERROR):
ret = response.add_options()
ret.set_level(opt.level())
ret.set_option(opt.option())
ret.set_value(
state.sock.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR, 1024))
else:
value = self._mock_options.GetMockValue(opt.level(), opt.option())
if value is None:
raise apiproxy_errors.ApplicationError(
RemoteSocketServiceError.PERMISSION_DENIED,
'Attempt to get blocked socket option.')
ret = response.add_options()
ret.set_level(opt.level())
ret.set_option(opt.option())
ret.set_value(value)
def handle_connect(self):
"""Called when connection is established."""
self.del_channel()
if self._idler is not None and not self._idler.cancelled:
self._idler.cancel()
if not self.cmd_channel.connected:
return self.close()
# fix for asyncore on python < 2.6, meaning we aren't
# actually connected.
# test_active_conn_error tests this condition
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
raise socket.error(err)
#
msg = 'Active data connection established.'
self.cmd_channel.respond('200 ' + msg)
self.cmd_channel.log_cmd(self._cmd, self._normalized_addr, 200, msg)
#
if not self.cmd_channel.connected:
return self.close()
# delegate such connection to DTP handler
handler = self.cmd_channel.dtp_handler(self.socket, self.cmd_channel)
self.cmd_channel.data_channel = handler
self.cmd_channel._on_dtp_connection()
def _handle_connect(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
if self._connect_future is None:
gen_log.warning("Connect error on fd %s: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
if self._connect_future is not None:
future = self._connect_future
self._connect_future = None
future.set_result(self)
self._connecting = False
def _handle_connect(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
if self._connect_future is None:
gen_log.warning("Connect error on fd %s: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
if self._connect_future is not None:
future = self._connect_future
self._connect_future = None
future.set_result(self)
self._connecting = False
def _handle_connect(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
if self._connect_future is None:
gen_log.warning("Connect error on fd %s: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
if self._connect_future is not None:
future = self._connect_future
self._connect_future = None
future.set_result(self)
self._connecting = False
def _handle_connect(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
if self._connect_future is None:
gen_log.warning("Connect error on fd %s: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
if self._connect_future is not None:
future = self._connect_future
self._connect_future = None
future.set_result(self)
self._connecting = False
def _connect(self, sock, sa):
while not self._canceled and not ABORT_FLAG_FUNCTION():
time.sleep(0.01)
self._check_timeout() # this should be done at the beginning of each loop
status = sock.connect_ex(sa)
if not status or status in (errno.EISCONN, WIN_EISCONN):
break
elif status in (errno.EINPROGRESS, WIN_EWOULDBLOCK):
self.deadline = time.time() + self._timeout.getConnectTimeout()
# elif status in (errno.EWOULDBLOCK, errno.EALREADY) or (os.name == 'nt' and status == errno.WSAEINVAL):
# pass
yield
if self._canceled or ABORT_FLAG_FUNCTION():
raise CanceledException('Request canceled')
error = sock.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if error:
# TODO: determine when this case can actually happen
raise socket.error((error,))
def _sock_connect_cb(self, fut, sock, address):
if fut.cancelled():
return
try:
err = sock.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
# Jump to any except clause below.
raise OSError(err, 'Connect call failed %s' % (address,))
except (BlockingIOError, InterruptedError):
# socket is still registered, the callback will be retried later
pass
except Exception as exc:
fut.set_exception(exc)
else:
fut.set_result(None)
def _handle_connect(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
if self._connect_future is None:
gen_log.warning("Connect error on fd %s: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
if self._connect_future is not None:
future = self._connect_future
self._connect_future = None
future.set_result(self)
self._connecting = False
def _handle_connect(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
if self._connect_future is None:
gen_log.warning("Connect error on fd %s: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
if self._connect_future is not None:
future = self._connect_future
self._connect_future = None
future.set_result(self)
self._connecting = False
def _handle_connect(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
if self._connect_future is None:
gen_log.warning("Connect error on fd %s: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
if self._connect_future is not None:
future = self._connect_future
self._connect_future = None
future.set_result(self)
self._connecting = False
def _handle_connect(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
if self._connect_future is None:
gen_log.warning("Connect error on fd %s: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
if self._connect_future is not None:
future = self._connect_future
self._connect_future = None
future.set_result(self)
self._connecting = False
def _handle_connect(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
self.error = socket.error(err, os.strerror(err))
# IOLoop implementations may vary: some of them return
# an error state before the socket becomes writable, so
# in that case a connection failure would be handled by the
# error path in _handle_events instead of here.
if self._connect_future is None:
gen_log.warning("Connect error on fd %s: %s",
self.socket.fileno(), errno.errorcode[err])
self.close()
return
if self._connect_callback is not None:
callback = self._connect_callback
self._connect_callback = None
self._run_callback(callback)
if self._connect_future is not None:
future = self._connect_future
self._connect_future = None
future.set_result(self)
self._connecting = False
def handle_connect_event(self):
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
raise socket.error(err, _strerror(err))
self.handle_connect()
self.connected = True
def handle_write_event(self):
if self.accepting:
# Accepting sockets shouldn't get a write event.
# We will pretend it didn't happen.
return
if not self.connected:
#check for errors
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
raise socket.error(err, _strerror(err))
self.handle_connect_event()
self.handle_write()
def handle_expt_event(self):
# handle_expt_event() is called if there might be an error on the
# socket, or if there is OOB data
# check for the error condition first
err = self.socket.getsockopt(socket.SOL_SOCKET, socket.SO_ERROR)
if err != 0:
# we can get here when select.select() says that there is an
# exceptional condition on the socket
# since there is an error, we'll go ahead and close the socket
# like we would in a subclassed handle_read() that received no
# data
self.handle_close()
else:
self.handle_expt()
def getsockopt(self, level, optname, buflen=None):
if (level == socket.SOL_SOCKET and
optname == socket.SO_ERROR and
not buflen):
return 0
raise NotImplementedError("Only asyncore specific behaviour "
"implemented.")
def getsockopt(self, level, optname, buflen=None):
# act like an unerrored socket for the asyncore error handling
if level == socket.SOL_SOCKET and optname == socket.SO_ERROR and not buflen:
return 0
raise NotImplementedError()
