twisted

Protocol 協議
Factory  工廠
reactor  反應器  (看做一個容器)
========= server.py =========

from twisted.internet import reactor
from twisted.internet.protocol import Factory,Protocol


class Echo(Protocol):
    def connectionMade(self):
        self.transport.write('hi,welcome!')
        self.transport.loseConnection()

    def dataReceived(self, data):
        print(data)
        self.transport.write('haha...'+data)

factory = Factory()
factory.protocol = Echo

reactor.listenTCP(8001,factory)
reactor.run()

========= client.py =========

from twisted.internet.protocol import Protocol,ClientFactoryfrom twisted.internet import reactorclass Echo(Protocol):    def connectionMade(self):        self.transport.write('hi, server')    def dataReceived(self, data):        print(data)class EchoClientFactory(ClientFactory):    def startedConnecting(self, connector):        print('connection starting ...')    def buildProtocol(self, addr):        print('addr')        return Echo()    def clientConnectionLost(self, connector, reason):        print('lose reason',reason)    def clientConnectionFailed(self, connector, reason):        print('faild reason: ',reason)reactor.connectTCP('127.0.0.0',8001,EchoClientFactory())reactor.run()