#!/usr/bin/env python
# -*- coding: iso-8859-1 -*-
"usage: echoserver.py <port>"
from SocketServer import BaseRequestHandler, TCPServer
import sys, socket

class EchoHandler(BaseRequestHandler):
    def handle(self):
        print "Client connected:", self.client_address
        self.request.sendall(self.request.recv(2**16))
        self.request.close()

if len(sys.argv) != 2:
    print __doc__
else:
    TCPServer(('',int(sys.argv[1])), EchoHandler).serve_forever()