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Text File  |  2005-11-19  |  1KB  |  59 lines
  1. # test asynchat -- requires threading
  2.  
  3. import thread # If this fails, we can't test this module
  4. import asyncore, asynchat, socket, threading, time
  5.  
  6. HOST = "127.0.0.1"
  7. PORT = 54321
  8.  
  9. class echo_server(threading.Thread):
  10.  
  11.     def run(self):
  12.         sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  13.         sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
  14.         sock.bind((HOST, PORT))
  15.         sock.listen(1)
  16.         conn, client = sock.accept()
  17.         buffer = ""
  18.         while "\n" not in buffer:
  19.             data = conn.recv(10)
  20.             if not data:
  21.                 break
  22.             buffer = buffer + data
  23.         while buffer:
  24.             n = conn.send(buffer)
  25.             buffer = buffer[n:]
  26.         conn.close()
  27.         sock.close()
  28.  
  29. class echo_client(asynchat.async_chat):
  30.  
  31.     def __init__(self):
  32.         asynchat.async_chat.__init__(self)
  33.         self.create_socket(socket.AF_INET, socket.SOCK_STREAM)
  34.         self.connect((HOST, PORT))
  35.         self.set_terminator("\n")
  36.         self.buffer = ""
  37.  
  38.     def handle_connect(self):
  39.         print "Connected"
  40.  
  41.     def collect_incoming_data(self, data):
  42.         self.buffer = self.buffer + data
  43.  
  44.     def found_terminator(self):
  45.         print "Received:", `self.buffer`
  46.         self.buffer = ""
  47.         self.close()
  48.  
  49. def main():
  50.     s = echo_server()
  51.     s.start()
  52.     time.sleep(1) # Give server time to initialize
  53.     c = echo_client()
  54.     c.push("hello ")
  55.     c.push("world\n")
  56.     asyncore.loop()
  57.  
  58. main()
  59.