base.py 文件源码

def connect(self):
        """Start connection to remote server."""
        if self.state != "disconnected":
            raise RuntimeError, "can't connect in this state"

        self.state = "connecting"
        if not self.factoryStarted:
            self.factory.doStart()
            self.factoryStarted = 1
        self.transport = transport = self._makeTransport()
        if self.timeout is not None:
            self.timeoutID = self.reactor.callLater(self.timeout, transport.failIfNotConnected, error.TimeoutError())
        self.factory.startedConnecting(self)