echoservice.py 文件源码

def startService(self):

        factory = WebSocketServerFactory(u"ws://127.0.0.1:%d" % self.port)
        factory.protocol = EchoServerProtocol

        # FIXME: Site.start/stopFactory should start/stop factories wrapped as Resources
        factory.startFactory()

        resource = WebSocketResource(factory)

        # we server static files under "/" ..
        webdir = os.path.abspath(pkg_resources.resource_filename("echows", "web"))
        root = File(webdir)

        # and our WebSocket server under "/ws" (note that Twisted uses
        # bytes for URIs)
        root.putChild(b"ws", resource)

        # both under one Twisted Web Site
        site = Site(root)

        self.site = site
        self.factory = factory

        self.listener = reactor.listenTCP(self.port, site)