/*
 * NAME:	telnet.c
 * DESCRIPTION:	connection object specialized for telnet connections
 */

inherit "/std/connection";

# include <moo/errors.h>

private	int	flags;		/* special telnet flags */

# define F_NOECHO	0x01	/* telnet noecho option enabled? */

/*
 * NAME:	send()
 * DESCRIPTION:	called to send a partial line to the user (raw data)
 */
void send(string msg)
{
  send_message(msg);
}

/*
 * NAME:	notify()
 * DESCRIPTION:	called to send a single line of text to the user
 */
void notify(string msg)
{
  send_message(msg + "\n");
}

/*
 * NAME:	receive_message()
 * DESCRIPTION:	called by DGD when a line of input is received
 */
static
void receive_message(string line)
{
  if (flags & F_NOECHO)
    {
      send_message(1);
      notify("");

      flags &= ~F_NOECHO;
    }

  if (want_binary())
    process_data(line);
  else
    process_line(line);

  finish();
}

/*
 * NAME:	set_noecho()
 * DESCRIPTION:	enable telnet noecho option
 */
int set_noecho(void)
{
  send_message(0);
  flags |= F_NOECHO;

  return E_NONE;
}