python - Twisted : How to print message at the server? -

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i beginner using twisted framework.

i developing simple client server program using twisted library in python.

i using code @ server side. 

factory = protocol.serverfactory() factory.protocol = echo portno = 8000 reactor.listentcp(portno,factory)  reactor.run()

i print message @ server side, whenever client closes connection.

any idea how ?

thanks

extend connectionlost method of protocol want use.

def connectionlost(self, reason):     self.factory.numprotocols = self.factory.numprotocols-1    // stuff

for more references:

http://twistedmatrix.com/documents/12.2.0/core/howto/servers.html#auto2


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