// termstat.c

//

// © Portions Copyright (c) Symbian Software Ltd 2007. All rights reserved.

//

/*

 * Copyright (c) 1989, 1993

 *	The Regents of the University of California.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. Neither the name of the University nor the names of its contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 */

#include "telnetd.h"

#ifndef __SYMBIAN32__

__RCSID("$Heimdal: termstat.c,v 1.12 2001/08/29 00:45:23 assar Exp $"

        "$NetBSD: termstat.c,v 1.2 2003/08/07 09:15:30 agc Exp $");

#endif

/*

 * local variables

 */

int def_tspeed = -1, def_rspeed = -1;

#ifdef	TIOCSWINSZ

int def_row = 0, def_col = 0;

#endif

/*

 * flowstat

 *

 * Check for changes to flow control

 */

void

flowstat(void)

{

    if (his_state_is_will(TELOPT_LFLOW)) {

	if (tty_flowmode() != flowmode) {

	    flowmode = tty_flowmode();

	    output_data("%c%c%c%c%c%c",

			IAC, SB, TELOPT_LFLOW,

			flowmode ? LFLOW_ON : LFLOW_OFF,

			IAC, SE);

	}

	if (tty_restartany() != restartany) {

	    restartany = tty_restartany();

	    output_data("%c%c%c%c%c%c",

			IAC, SB, TELOPT_LFLOW,

			restartany ? LFLOW_RESTART_ANY

			: LFLOW_RESTART_XON,

			IAC, SE);

	}

    }

}

/*

 * clientstat

 *

 * Process linemode related requests from the client.

 * Client can request a change to only one of linemode, editmode or slc's

 * at a time, and if using kludge linemode, then only linemode may be

 * affected.

 */

void

clientstat(int code, int parm1, int parm2)

{

    /*

     * Get a copy of terminal characteristics.

     */

    init_termbuf();

    /*

     * Process request from client. code tells what it is.

     */

    switch (code) {

    case TELOPT_NAWS:

#ifdef	TIOCSWINSZ

	{

	    struct winsize ws;

	    def_col = parm1;

	    def_row = parm2;

	    /*

	     * Change window size as requested by client.

	     */

	    ws.ws_col = parm1;

	    ws.ws_row = parm2;

	    ioctl(ourpty, TIOCSWINSZ, (char *)&ws);

	}

#endif	/* TIOCSWINSZ */

    break;

    case TELOPT_TSPEED:

	{

	    def_tspeed = parm1;

	    def_rspeed = parm2;

	    /*

	     * Change terminal speed as requested by client.

	     * We set the receive speed first, so that if we can't

	     * store seperate receive and transmit speeds, the transmit

	     * speed will take precedence.

	     */

	    tty_rspeed(parm2);

	    tty_tspeed(parm1);

	    set_termbuf();

	    break;

	}  /* end of case TELOPT_TSPEED */

    default:

	/* What? */

	break;

    }  /* end of switch */

    netflush();

}