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- import socket, select, string, sys
- def prompt() :
- sys.stdout.write('<You> ')
- sys.stdout.flush()
- #main function
- if __name__ == "__main__":
- if(len(sys.argv) < 3) :
- print 'Usage : python hostname port'
- sys.exit()
- host = sys.argv[1]
- port = int(sys.argv[2])
- s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
- s.settimeout(2)
- # connect to remote host
- try :
- s.connect((host, port))
- except :
- print 'Unable to connect'
- sys.exit()
- print 'Connected to remote host. Start sending messages'
- prompt()
- while 1:
- socket_list = [sys.stdin, s]
- # Get the list sockets which are readable
- read_sockets, write_sockets, error_sockets = select.select(socket_list , [], [])
- for sock in read_sockets:
- #incoming message from remote server
- if sock == s:
- data = sock.recv(4096)
- if not data :
- print '\nDisconnected from chat server'
- sys.exit()
- else :
- #print data
- sys.stdout.write(data)
- prompt()
- #user entered a message
- else :
- msg = sys.stdin.readline()
- s.send(msg)
- prompt()
- #[ajay@localhost multi-user-chat]$ python client.py 127.0.0.1 5000
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