/* Echo server (TCP blocking)
 * Copyright (C) 2000-2003  David Helder
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */


using GLib, GNet;

namespace GNetExamples
{


int
main(string[] args)
{
  int 	      port;
  TcpSocket server;
  InetAddr  addr;
  string      name;
  TcpSocket client = null;
  String       buffer = String.sized(1024);
  uint       n;
  IOChannel ioclient = null;
  IOError    error;

  GNet.init ();

  if (args.length !=  2)
    {
      stderr.printf ("usage: echoserver <port> \n");
		return 1;
    }

  port = args[1].to_int();

  /* Create the server */
  server = TcpSocket.server_new_with_port (port);
  if (server == null)
    {
      stderr.printf("Could not create server on port %d\n", port);
		return 1;
    }


  /* Print the address */
  addr = server.get_local_inetaddr();

  name = addr.get_canonical_name ();

  port = addr.get_port ();
  stdout.printf ("Normal echoserver running on %s:%d\n", name, port);

  client = server.server_accept ();
  while (client != null)
    {
      /* Get IOChannel */
      ioclient = client.get_io_channel();

      /* Print the address */
      addr = client.get_remote_inetaddr();

      name = addr.get_canonical_name ();

      port = addr.get_port ();
      stdout.printf ("Accepted connection from %s:%d\n", name, port);

      while ((error = IO.channel_readline(ioclient, buffer.str, 
					       1024, out n)) 
	     == IOError.NONE && (n > 0))
			
			
      {
	    error = IO.channel_writen(ioclient, buffer.str, buffer.str.len(), out n);
	    if (error != IOError.NONE) break;
	    stdout.printf("%s", buffer.str);
	  }

      if (error != IOError.NONE)
	  {
			stderr.printf("exit with errorcode\n");
	  }

      stdout.printf ("Connection from %s:%d closed\n", name, port);

	  client = server.server_accept ();
    }
  return 0;
}

/*
static void 
normal_sig_int (int signum)
{
  gnet_tcp_socket_delete (normal_server);
  exit (EXIT_FAILURE);
}
*/
}