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Feb 11th, 2018
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  1. import logging
  2. from miniboa import TelnetServer
  3. from plugins import callsign as call
  4.  
  5. IDLE_TIMEOUT = 300
  6. CLIENT_LIST = []
  7. SERVER_RUN = True
  8.  
  9. nodecall = 'WB5OD'
  10. menu_data = [['\n(1) Call "wb5od"', '(2) Weather "Zip"', '(3) Tweet "to" "message"'], ['\n(4) Development', '(5) Random thing', '(6) Getting tired'],
  11.                 ['\n(7) Testing', '(8) Sysop Menu', '(9) List Users']]
  12.  
  13.  
  14. #
  15. ## Setup functions that an amateur operator may want like... aprs messaging, etc.
  16. #
  17.  
  18.  
  19. def on_connect(client):
  20.     """
  21.    Sample on_connect function.
  22.    Handles new connections.
  23.    """
  24.     logging.info("Opened connection to {}".format(client.addrport()))
  25.     #broadcast("{} joins the conversation.\n".format(client.addrport()))
  26.     CLIENT_LIST.append(client)
  27.     client.send("\r\nWelcome to the " + nodecall + " python telnet server for ham radio packet.\n")
  28.  
  29.     col_width = max(len(word) for row in menu_data for word in row) + 2  # padding
  30.     for row in menu_data:
  31.         client.send("".join(word.ljust(col_width) for word in row))
  32.     client.send("\n\rIf you need to see this again just type in 'menu'")
  33.  
  34.  
  35. def on_disconnect(client):
  36.     """
  37.    Sample on_disconnect function.
  38.    Handles lost connections.
  39.    """
  40.     logging.info("Lost connection to {}".format(client.addrport()))
  41.     CLIENT_LIST.remove(client)
  42.     #broadcast("{} leaves the conversation.\n".format(client.addrport()))
  43.  
  44.  
  45. def kick_idle():
  46.     """
  47.    Looks for idle clients and disconnects them by setting active to False.
  48.    """
  49.     # Who hasn't been typing?
  50.     for client in CLIENT_LIST:
  51.         if client.idle() > IDLE_TIMEOUT:
  52.             logging.info("Kicking idle lobby client from {}".format(client.addrport()))
  53.             client.active = False
  54.  
  55.  
  56. def process_clients():
  57.     """
  58.    Check each client, if client.cmd_ready == True then there is a line of
  59.    input available via client.get_command().
  60.    """
  61.     for client in CLIENT_LIST:
  62.         if client.active and client.cmd_ready:
  63.             # If the client sends input echo it to the chat room
  64.             commands(client)
  65.  
  66.  
  67. def broadcast(msg):
  68.     """
  69.    Send msg to every client.
  70.    """
  71.     for client in CLIENT_LIST:
  72.         client.send(msg)
  73.  
  74.  
  75. def commands(client):
  76.     """
  77.    Echo whatever client types to everyone.
  78.    """
  79.     global SERVER_RUN
  80.     msg = client.get_command()
  81.     logging.info("{} says '{}'".format(client.addrport(), msg))
  82.  
  83. #    for guest in CLIENT_LIST:
  84. #        if guest != client:
  85. #            guest.send("{} says '{}'\n".format(client.addrport(), msg))
  86. #        else:
  87. #            guest.send("You say '{}'\n".format(msg))
  88.  
  89.     cmd = msg.lower()
  90.     # bye = disconnect
  91.     if cmd == 'bye':
  92.         client.active = False
  93.     # shutdown == stop the server
  94.     elif cmd == 'hello':
  95.         client.send('Hello you could make this do anything. type bye to leave')
  96.     elif cmd.startswith('call'):
  97.         try:
  98.             split = cmd.split(' ')
  99.             client.send(call.callsign_start(split[1]))
  100.         except:
  101.             client.send('\r\nError')
  102.     elif cmd == 'menu':
  103.         col_width = max(len(word) for row in menu_data for word in row) + 2  # padding
  104.         for row in menu_data:
  105.             client.send("".join(word.ljust(col_width) for word in row))
  106.     elif cmd == 'shutdown':
  107.         SERVER_RUN = False
  108.  
  109.  
  110. if __name__ == '__main__':
  111.  
  112.     # Simple chat server to demonstrate connection handling via the
  113.     # async and telnet modules.
  114.  
  115.     logging.basicConfig(level=logging.DEBUG)
  116.  
  117.     # Create a telnet server with a port, address,
  118.     # a function to call with new connections
  119.     # and one to call with lost connections.
  120.  
  121.     telnet_server = TelnetServer(
  122.         port=4444,
  123.         address='',
  124.         on_connect=on_connect,
  125.         on_disconnect=on_disconnect,
  126.         timeout = .05
  127.         )
  128.  
  129.     logging.info("Listening for connections on port {}. CTRL-C to break.".format(telnet_server.port))
  130.  
  131.     # Server Loop
  132.     while SERVER_RUN:
  133.         telnet_server.poll()        # Send, Recv, and look for new connections
  134.         kick_idle()                 # Check for idle clients
  135.         process_clients()           # Check for client input
  136.  
  137.     logging.info("Server shutdown.")
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