python手记-twisted(4)

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from twisted.internet.protocol import Protocol
from twisted.internet import reactor
from twisted.internet.protocol import Factory
from twisted.internet.endpoints import TCP4ServerEndpoint
#http://blog.csdn.net/myhaspl
class Echo(Protocol):
       
     def connectionMade(self):
         self.factory.numProtocols=self.factory.numProtocols+1
         self.transport.write("welcome!\nthere are currently %d open connections.\n"%(self.factory.numProtocols,))

     def dataReceived(self,data):
         mydata=data.strip()
	 if mydata!="quit" and  mydata!="quit\r\n" and mydata!="quit\r": 
              self.transport.write(self.factory.message+data)
         else:
              self.transport.write(self.factory.message+"byebye\n")
              self.transport.numProtocols=self.factory.numProtocols-1
              self.transport.loseConnection()
     def connectionLost(self, reason):
         self.factory.numProtocols = self.factory.numProtocols - 1

#http://blog.csdn.net/myhaspl
class EchoFactory(Factory):
     #use the default buildProtocol to create protocol
     protocol=Echo
     numProtocols=0

     def __init__(self,message=None):
          self.message=message or "hello,world"   
 #http://blog.csdn.net/myhaspl  
endpoint=TCP4ServerEndpoint(reactor,8001)
endpoint.listen(EchoFactory("myhaspl:"))
reactor.run()

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$ telnet 120.55.*.* 8001

Trying 120.55.*.* ...

Connected to 120.55.*.* .

Escape character is ‘^]‘.

welcome!

there are currently 1 open connections.

hello

myhaspl:hello

world

myhaspl:world

quit

myhaspl:byebye

Connection closed by foreign host.

python手记-twisted(4)

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原文地址：http://blog.csdn.net/myhaspl/article/details/51867623