client:
import socket, sys
if __name__ == '__main__':
#處理引數
argv = sys.argv
if (len(argv)!=3) or (len(argv)==2 and argv[1]=='/?'):
print '>>>useage:', argv[0], ''
sys.exit(0)
host = argv[1] #server ip位址
port = int(argv[2]) #server 埠
print '>>>host:', host
print '>>>port:', port
#開啟socket
try:
sock = socket.socket(socket.af_inet, socket.sock_stream)
except socket.error:
print '>>>fail to open socket!'
sys.exit(1)
print '>>>socket opened...'
#連線try:
sock.connect((host, port))
except socket.error:
print '>>>fail to connect!'
sock.close()
print '>>>socket closed...'
sys.exit(1)
print '>>>socket connected...'
flag = 1 #迴圈標誌
ireturnvalue = 0 #系統返回值
#向server傳送資訊並回顯
while(flag):
msg = raw_input('>>>input message: ')
if msg == '':
continue
if msg == 'exit':
flag = 0
#傳送資訊
try:
sock.send(msg)
except socket.error:
print '>>>fail to send message!'
ireturnvalue = 1
break
print '>>>message sent :', msg
#接收資訊
try:
msg = sock.recv(1024)
except socket.error:
print '>>>fail to receive message!'
ireturnvalue = 1
break
print '>>>message received:', msg
#關閉socket，退出程式
sock.close()
print '>>>socket closed...'
print 'exit client program.'
sys.exit(ireturnvalue)
server:
try:
sock.bind((host, port))
except socket.error:
print 'fail to bind port!'
sock.close()
sys.exit(1)
print '>>>socket binding...'
try:
sock.listen(max_clients)
except socket.error:
print 'fail to listen!'
sock.close()
sys.exit(1)
print '>>>socket listening...'
threading.thread(target=listenthread, args=(sock,)).start()
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