Employment DAY2_ network programming _tcp client and server

 

 

 

from socket Import *
 Import socket
 DEF main ():
     # create a tcp socket 
    TCP_SOCKET = socket.socket (socket.AF_INET, socket.SOCK_STREAM)
     # linked server 
    # tcp_socket.connect (( "10.6.25.79", 8080)) 
    server_ip the iNPUT = ( " Please enter the need to link the server IP: " ) 
    SERVER_PORT = int (the iNPUT ( " Please enter the need to link the server Port: " )) 
    server_addr = (server_ip, SERVER_PORT) 
    tcp_socket.connect (server_addr) 
    # sending data 
    send_data = the iNPUT ( " Please enter the data sent:")
    tcp_socket.send(send_data.encode("gbk"))
    # 关闭套接字
    tcp_socket.close()

if __name__ == "__main__":
    main()

from socket Import *
 Import socket
 DEF main ():
     # buy a cell phone - create tcp socket 
    TCP_SOCKET = socket.socket (socket.AF_INET, socket.SOCK_STREAM) 

    # into the phone card - binding 
    tcp_socket.bind (( "" , 7890 )) 

    # set the phone to ring the normal mode (the default socket so that by the active becomes passive and the listen) 
    tcp_socket.listen (128 ) 

    Print ( " ----- 1 ----- " )
     # waiting for the arrival of someone else's phone (waiting for a client link the Accept) 
    client_socket, client_addr = tcp_socket.accept ()
     Print ( " ----- 2 ----- ")
     # Print (client_socket) 
    Print (client_addr) 

    # receiving a request sent by the client 
    recv_data = client_socket.recv (1024 )
     Print (recv_data.decode ( " GBK " )) 

    # loopback portion of the data to the client 
    client_socket.send ( " ha " .encode ( " GBK " )) 

    # close the socket 
    tcp_socket.close () 
    client_socket.close () 

IF  __name__ == " __main__ " : 
    main ()

from socket Import *
 Import socket
 DEF main ():
     # buy a cell phone - create tcp socket 
    TCP_SOCKET = socket.socket (socket.AF_INET, socket.SOCK_STREAM) 

    # into the phone card - binding 
    tcp_socket.bind (( "" , 7890 )) 

    # set the phone to ring the normal mode (the default socket so that by the active becomes passive and the listen) 
    tcp_socket.listen (128 )
     the while True:
         Print ( " wait for the arrival of a new client " )
         # wait the arrival of someone else's phone (waiting for a client link the Accept) 
        client_socket, client_addr = tcp_socket.accept ()
         #Print (client_socket) 
        Print ( " a new client to the S% " % STR (client_addr)) 

        # sent by a client to request 
        recv_data = client_socket.recv (1024 )
         Print ( " client request was sent,:% S " % recv_data.decode ( " GBK " )) 

        # loopback part of the data to the client 
        client_socket.send ( " ha ha " .encode ( " GBK " )) 

        # close the socket 
        # close the socket accept returns, meaning no longer serve as the client 
        client_socket.close ()
         Print ( "Services have been completed " )
     # If the listening socket is closed, there will lead to not wait for the arrival of new clients once again, that XXX.accept will fail 
    tcp_socket.close () 


IF  __name__ == " __main__ " : 
    main ()

 

 

from socket Import *
 Import socket
 DEF main ():
     # buy a cell phone - create tcp socket 
    TCP_SOCKET = socket.socket (socket.AF_INET, socket.SOCK_STREAM) 

    # into the phone card - binding 
    tcp_socket.bind (( "" , 7890 )) 

    # set the phone to ring the normal mode (the default socket so that by the active becomes passive and the listen) 
    tcp_socket.listen (128 )
     the while True:   # cycle for multiple client service 
        Print ( " wait for a new the arrival of the client " )
         # wait for the arrival of someone else's phone (wait for the client link the Accept) 
        client_socket, client_addr = tcp_socket.accept ()
        # Print (client_socket) 
        Print ( " a new client to the S% " % STR (client_addr))
         the while True:   # cycle times for the same service client 
            # request sent by a client to the 
            recv_data = client_socket.recv ( 1024 )
             Print ( " client requests are sent,:% S " % recv_data.decode ( " GBK " )) 

            # If clogging recv solution, two embodiment 
            # 1 sent by the client data 
            # 2 led to a client calls close recev de-clog 
            IF recv_data:
                 # echo part of the data to the client 
                client_socket.send (" Ha ha " .encode ( " GBK " ))
             the else :
                 BREAK 

            # close the socket 
        # close the socket accept returns, meaning that the client will not be for this service 
        client_socket.close ()
         Print ( " has been completed service " )
     # If the listening socket is closed, there will lead to not wait for the arrival of new clients once again, that XXX.accept will fail 
    tcp_socket.close () 


IF  __name__ == " __main__ " : 
    main ()