loopback.py 文件源码

def loopbackTCP(server, client, port=0, noisy=True):
    """Run session between server and client protocol instances over TCP."""
    from twisted.internet import reactor
    f = policies.WrappingFactory(protocol.Factory())
    serverWrapper = _FireOnClose(f, server)
    f.noisy = noisy
    f.buildProtocol = lambda addr: serverWrapper
    serverPort = reactor.listenTCP(port, f, interface='127.0.0.1')
    clientF = LoopbackClientFactory(client)
    clientF.noisy = noisy
    reactor.connectTCP('127.0.0.1', serverPort.getHost().port, clientF)
    d = clientF.deferred
    d.addCallback(lambda x: serverWrapper.deferred)
    d.addCallback(lambda x: serverPort.stopListening())
    return d