#!/usr/bin/env python
import socket
import os

if __name__ == '__main__':
  sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
  conn = '/tmp/conn'
  if not os.path.exists(conn):
  os.mknod(conn)
  if os.path.exists(conn):
  os.unlink(conn)
  sock.bind(conn)
  sock.listen(5)
  while True:
  connection,address = sock.accept()
  data = connection.recv(1024)
  if data == "hello,server":
    print "the client said:%s!\n" % data
      connection.send("hello,client")
  connection.close() 

#!/usr/bin/env python
import socket
import time

if __name__ == '__main__':
  sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
  conn = '/tmp/conn'
  sock.connect(conn)
  time.sleep(1)
  sock.send('hello,server')
  print sock.recv(1024)
  sock.close()