server3.py

python web programming 部分

import SocketServer
import netstring
import sys

class MyRequestHandler(SocketServer.BaseRequestHandler):
    def handle(self):
        global Done
        request, socket = self.request
        rq = netstring.decode(request)
        print "From:", self.client_address, ":", rq
        print "----------------------"
        sys.stdout.flush()
        result = netstring.encode(rq.upper())
        if result == "END":
            Done = 1
            return
        socket.sendto(result, self.client_address)

myServer = SocketServer.UDPServer(('', 8081),
                MyRequestHandler)
Done = None
while not Done:
    myServer.handle_request()