Server 端 code


 import SocketServer

 class MyTCPHandler(SocketServer.BaseRequestHandler):

     """

     The RequestHandler class for socket server.

     It is instantiated once per connection be established(request from client) to the socker server.

     and must be override the handler() method to implement communication to the client.

     """

     connection_account = 0

     def handle(self):    # redefine method ' handl()' in parent class

         MyTCPHandler.connection_account += 1

         print ("The %d client connected !" % MyTCPHandler.connection_account )  # How to statistic total No.

         # self.request is the TCP socket that connected to the client

         while 1:

             self.data = self.request.recv(1024).strip()

             # if connected client dead, exit loop

             if not self.data:

                 break

             print("client: %s \n"

                    "send: %s") % (self.client_address[0],self.data)

             self.request.sendall("GOT IT !")

 if __name__ == "__main__":

     HOST,PORT = "localhost",8888

     # creating the socket server and  binding to HOST::PORT == "localhost":: 8888

     server = SocketServer.ThreadingTCPServer((HOST,PORT),MyTCPHandler)

     # keeping server running until interrupt (Ctrl + C)

     server.serve_forever(poll_interval=0.5)