/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */


#ident  "%Z%%M% %I%     %E% SMI"        /* SVr4.0 1.9.1.4       */
/* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */

#include "lpsched.h"
#include <time.h>

/**
 ** disable() - DISABLE PRINTER
 **/

int
disable(PSTATUS *pps, char *reason, int when)
{
        if (pps->status & PS_DISABLED)
                return (-1);

        else {
                pps->status |= PS_DISABLED;
                time (&pps->dis_date);
                load_str (&pps->dis_reason, reason);

                dump_pstatus ();

                if (pps->status & PS_BUSY)
                        switch (when) {

                        case DISABLE_STOP:
                                /*
                                 * Stop current job, requeue.
                                 */
                                if (pps->request)
                                    pps->request->request->outcome |= RS_STOPPED;
                                terminate (pps->exec);
                                break;

                        case DISABLE_FINISH:
                                /*
                                 * Let current job finish.
                                 */
                                break;

                        case DISABLE_CANCEL:
                                /*
                                 * Cancel current job outright.
                                 */
                                if (pps->request)
                                    cancel (pps->request, 1);
                                break;

                        }

                /*
                 * Need we check to see if requests assigned to
                 * this printer should be assigned elsewhere?
                 * No, if the "validate()" routine is properly
                 * assigning requests. If another printer is available
                 * for printing requests (that would otherwise be)
                 * assigned to this printer, at least one of those
                 * requests will be assigned to that other printer,
                 * and should be currently printing. Once it is done
                 * printing, the queue will be examined for the next
                 * request, and the one(s) assigned this printer will
                 * be picked up.
                 */
/*              (void)queue_repel (pps, 0, (qchk_fnc_type)0);   */

                return (0);
        }
}

/**
 ** enable() - ENABLE PRINTER
 **/

int
enable (register PSTATUS *pps)
{
        /*
         * ``Enabling a printer'' includes clearing a fault and
         * clearing the do-it-later flag to allow the printer
         * to start up again.
         */
        if (!(pps->status & (PS_FAULTED|PS_DISABLED|PS_LATER)))
                return (-1);

        else {
                pps->status &= ~(PS_FAULTED|PS_DISABLED|PS_LATER);
                (void) time (&pps->dis_date);

                dump_pstatus ();

                if (pps->alert->active)
                        cancel_alert (A_PRINTER, pps);

                /*
                 * Attract the FIRST request that is waiting to
                 * print to this printer. In this regard we're acting
                 * like the printer just finished printing a request
                 * and is looking for another.
                 */
                queue_attract (pps, qchk_waiting, 1);
                return (0);
        }
}