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python udp c/s ¼Ç¼

server:
import sys
import socket
host = sys.argv[1]
port = int(sys.argv[2])
 
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
 
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
 
s.bind((host,port))
 
while 1:
    try:
        message, address = s.recvfrom(100)
        print "Got data from", address, message
 
        #cs = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        #cs.sendto(message, address)
        #cs.close()
 
        s.sendto(message, address)
 
    except (KeyboardInterrupt, SystemExit):
        raise
    except:
        traceback.print_exc()
client:
import socket
import sys
import time
count = 0
while (count < 9):
    try:
        time.sleep(1)
        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        s.sendto("test", ("192.168.22.209", 1234))
        data,addr = s.recvfrom(1024)
        if data:
            print 'received:',data,'from',addr
        s.close()
    except:
        print 'except'


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