twisted_tcp_echo_server_with_protocol_factory.py

1from twisted.internet import protocol, reactor, endpoints
2
3class Echo(protocol.Protocol):
4    def dataReceived(self, data):
5        """
6        As soon as any data is received, write it back.
7        """
8        self.transport.write(data)
9
10class EchoFactory(protocol.Factory):
11    def buildProtocol(self, addr):
12        return Echo()
13
14if __name__ == "__main__":
15    endpoints.serverFromString(reactor, "tcp:1234").listen(EchoFactory())
16    reactor.run()