transport.py 文件源码

def __init__(
            self,
            host,
            port,
            socket=None,
            protocol=None,
            throttle_policy=DummyPolicy()):

        self.protocol = protocol
        if socket is not None:
            self.server = DatagramServer(socket, handle=self.receive)
        else:
            self.server = DatagramServer((host, port), handle=self.receive)
        self.host = self.server.server_host
        self.port = self.server.server_port
        self.throttle_policy = throttle_policy