cmd/lpsched/disp4.c

	disp4.c revision 19d32b9ab53d17ac6605971e14c45a5281f8d9bb
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*  Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*    All Rights Reserved   */


#include "time.h"
#include "dispatch.h"
#include <syslog.h>


/**
 ** s_accept_dest()
 **/

void
s_accept_dest(char *m, MESG *md)
{
    char            *destination;
    ushort          status;
    register PSTATUS    *pps;
    register CLSTATUS   *pcs;

    getmessage (m, S_ACCEPT_DEST, &destination);
    syslog(LOG_DEBUG, "s_accept_dest(%s)",
           (destination ? destination : "NULL"));

    /*
     * Have we seen this destination as a printer?
     */
    if ((pps = search_pstatus(destination)))
        if ((pps->status & PS_REJECTED) == 0)
            status = MERRDEST;
        else {
            pps->status &= ~PS_REJECTED;
            (void) time (&pps->rej_date);
            dump_pstatus ();
            status = MOK;
        }

    /*
     * Have we seen this destination as a class?
     */
    else if ((pcs = search_cstatus(destination)))
        if ((pcs->status & CS_REJECTED) == 0)
            status = MERRDEST;
        else {
            pcs->status &= ~CS_REJECTED;
            (void) time (&pcs->rej_date);
            dump_cstatus ();
            status = MOK;
        }

    else
        status = MNODEST;

    mputm (md, R_ACCEPT_DEST, status);
    return;
}

/**
 ** s_reject_dest()
 **/

void
s_reject_dest(char *m, MESG *md)
{
    char            *destination,
                *reason;
    ushort          status;
    register PSTATUS    *pps;
    register CLSTATUS   *pcs;


    getmessage (m, S_REJECT_DEST, &destination, &reason);
    syslog(LOG_DEBUG, "s_reject_dest(%s, %s)",
           (destination ? destination : "NULL"),
           (reason ? reason : "NULL"));

    /*
     * Have we seen this destination as a printer?
     */
    if ((pps = search_pstatus(destination)))
        if (pps->status & PS_REJECTED)
            status = MERRDEST;
        else {
            pps->status |= PS_REJECTED;
            (void) time (&pps->rej_date);
            load_str (&pps->rej_reason, reason);
            dump_pstatus ();
            status = MOK;
        }

    /*
     * Have we seen this destination as a class?
     */
    else if ((pcs = search_cstatus(destination)))
        if (pcs->status & CS_REJECTED)
            status = MERRDEST;
        else {
            pcs->status |= CS_REJECTED;
            (void) time (&pcs->rej_date);
            load_str (&pcs->rej_reason, reason);
            dump_cstatus ();
            status = MOK;
        }

    else
        status = MNODEST;

    mputm (md, R_REJECT_DEST, status);
    return;
}

/**
 ** s_enable_dest()
 **/

void
s_enable_dest(char *m, MESG *md)
{
    char            *printer;
    ushort          status;
    register PSTATUS    *pps;


    getmessage (m, S_ENABLE_DEST, &printer);
    syslog(LOG_DEBUG, "s_enable_dest(%s)", (printer ? printer : "NULL"));

    /*
     * Have we seen this printer before?
     */
    if ((pps = search_pstatus(printer)))
        if (enable(pps) == -1)
            status = MERRDEST;
        else
            status = MOK;
    else
        status = MNODEST;

    mputm (md, R_ENABLE_DEST, status);
    return;
}

/**
 ** s_disable_dest()
 **/

void
s_disable_dest(char *m, MESG *md)
{
    char            *destination,
                *reason,
                *req_id     = 0;
    ushort          when,
                status;
    register PSTATUS    *pps;

    getmessage (m, S_DISABLE_DEST, &destination, &reason, &when);
    syslog(LOG_DEBUG, "s_disable_dest(%s, %s, %d)",
           (destination ? destination : "NULL"),
           (reason ? reason : "NULL"), when);


    /*
     * Have we seen this printer before?
     */
    if ((pps = search_pstatus(destination))) {

        /*
         * If we are to cancel a currently printing request,
         * we will send back the request's ID.
         * Save a copy of the ID before calling "disable()",
         * in case the disabling loses it (e.g. the request
         * might get attached to another printer). (Actually,
         * the current implementation won't DETACH the request
         * from this printer until the child process responds,
         * but a future implementation might.)
         */
        if (pps->request && when == 2)
            req_id = Strdup(pps->request->secure->req_id);

        if (disable(pps, reason, (int)when) == -1) {
            if (req_id) {
                Free (req_id);
                req_id = 0;
            }
            status = MERRDEST;
        } else
            status = MOK;

    } else
        status = MNODEST;

    mputm (md, R_DISABLE_DEST, status, NB(req_id));
    if (req_id)
        Free (req_id);

    return;
}

/**
 ** s_load_filter_table()
 **/

void
s_load_filter_table(char *m, MESG *md)
{
    ushort          status;

    syslog(LOG_DEBUG, "s_load_filter_table()");

    trash_filters ();
    if (Loadfilters((char *)0) == -1)
        status = MNOOPEN;
    else {
        /*
         * This is what makes changing filters expensive!
         */
        queue_check (qchk_filter);

        status = MOK;
    }

    mputm (md, R_LOAD_FILTER_TABLE, status);
    return;
}

/**
 ** s_unload_filter_table()
 **/

void
s_unload_filter_table(char *m, MESG *md)
{
    syslog(LOG_DEBUG, "s_unload_filter_table()");

    trash_filters ();

    /*
     * This is what makes changing filters expensive!
     */
    queue_check (qchk_filter);

    mputm (md, R_UNLOAD_FILTER_TABLE, MOK);
    return;
}

/**
 ** s_load_user_file()
 **/

void
s_load_user_file(char *m, MESG *md)
{
    /*
     * The first call to "getuser()" will load the whole file.
     */
    syslog(LOG_DEBUG, "s_load_user_file()");

    trashusers ();

    mputm (md, R_LOAD_USER_FILE, MOK);
    return;
}

/**
 ** s_unload_user_file()
 **/

void
s_unload_user_file(char *m, MESG *md)
{
    syslog(LOG_DEBUG, "s_unload_user_file()");

    trashusers ();  /* THIS WON'T DO TRUE UNLOAD, SORRY! */

    mputm (md, R_UNLOAD_USER_FILE, MOK);
    return;
}
/**
 ** s_shutdown()
 **/

void
s_shutdown(char *m, MESG *md)
{
    ushort          immediate;

    (void)getmessage (m, S_SHUTDOWN, &immediate);
    syslog(LOG_DEBUG, "s_shutdown(%d)", immediate);

    switch (md->type) {
    case MD_STREAM:
    case MD_SYS_FIFO:
    case MD_USR_FIFO:
        mputm (md, R_SHUTDOWN, MOK);
        lpshut (immediate);
        /*NOTREACHED*/
    default:
        syslog(LOG_DEBUG,
               "Received S_SHUTDOWN on a type %d connection\n",
               md->type);
    }

    return;
}

/**
 ** s_quiet_alert()
 **/

void
s_quiet_alert(char *m, MESG *md)
{
    char            *name;
    ushort          type,
                status;
    register FSTATUS    *pfs;
    register PSTATUS    *pps;
    register PWSTATUS   *ppws;


    /*
     * We quiet an alert by cancelling it with "cancel_alert()"
     * and then resetting the active flag. This effectively just
     * terminates the process running the alert but tricks the
     * rest of the Spooler into thinking it is still active.
     * The alert will be reactivated only AFTER "cancel_alert()"
     * has been called (to clear the active flag) and then "alert()"
     * is called again. Thus:
     *
     * For printer faults the alert will be reactivated when:
     *  - a fault is found after the current fault has been
     *    cleared (i.e. after successful print or after manually
     *    enabled).
     *
     * For forms/print-wheels the alert will be reactivated when:
     *  - the form/print-wheel becomes mounted and then unmounted
     *    again, with too many requests still pending;
     *  - the number of requests falls below the threshold and
     *    then rises above it again.
     */

    (void)getmessage (m, S_QUIET_ALERT, &name, &type);
    syslog(LOG_DEBUG, "s_quiet_alert(%s, %d)", (name ? name : "NULL"),
           type);

    if (!*name)
        status = MNODEST;

    else switch (type) {
    case QA_FORM:
        if (!(pfs = search_fstatus(name)))
            status = MNODEST;

        else if (!pfs->alert->active)
            status = MERRDEST;

        else {
            cancel_alert (A_FORM, pfs);
            pfs->alert->active = 1;
            status = MOK;
        }
        break;

    case QA_PRINTER:
        if (!(pps = search_pstatus(name)))
            status = MNODEST;

        else if (!pps->alert->active)
            status = MERRDEST;

        else {
            cancel_alert (A_PRINTER, pps);
            pps->alert->active = 1;
            status = MOK;
        }
        break;

    case QA_PRINTWHEEL:
        if (!(ppws = search_pwstatus(name)))
            status = MNODEST;

        else if (!ppws->alert->active)
            status = MERRDEST;

        else {
            cancel_alert (A_PWHEEL, ppws);
            ppws->alert->active = 1;
            status = MOK;
        }
        break;
    }

    mputm (md, R_QUIET_ALERT, status);
    return;
}

/**
 ** s_send_fault()
 **/

void
s_send_fault(char *m, MESG *md)
{
    long            key;
    char            *printerOrForm, *alert_text;
    ushort          status;
    register PSTATUS    *pps;

    getmessage (m, S_SEND_FAULT, &printerOrForm, &key, &alert_text);
    syslog(LOG_DEBUG, "s_send_fault(%s, %x, %s)",
           (printerOrForm ? printerOrForm : "NULL"), key,
           (alert_text ? alert_text : "NULL"));

    if (!(pps = search_pstatus(printerOrForm)) || (!pps->exec) ||
        pps->exec->key != key || !pps->request) {
        status = MERRDEST;
    } else {
        printer_fault(pps, pps->request, alert_text, 0);
        status = MOK;
    }

    mputm (md, R_SEND_FAULT, status);
}

/*
 * s_clear_fault()
 */
void
s_clear_fault(char *m, MESG *md)
{
    long    key;
    char    *printerOrForm, *alert_text;
    ushort  status;
    register PSTATUS    *pps;

    getmessage(m, S_CLEAR_FAULT, &printerOrForm, &key, &alert_text);
    syslog(LOG_DEBUG, "s_clear_fault(%s, %x, %s)",
           (printerOrForm ? printerOrForm : "NULL"), key,
           (alert_text ? alert_text : "NULL"));


    if (! (pps = search_pstatus(printerOrForm)) || ((key > 0) &&
        ((!pps->exec) || pps->exec->key != key || !pps->request ))) {
        status = MERRDEST;
    } else {
        clear_printer_fault(pps, alert_text);
        status = MOK;
    }

    mputm (md, R_CLEAR_FAULT, status);
}


/*
 * s_paper_changed()
 */
void
s_paper_changed(char *m, MESG *md)
{
    short           trayNum, mode, pagesPrinted;
    char            *printer, *paper;
    ushort          status;
    short           chgd = 0;
    register PSTATUS    *pps;
    register FSTATUS    *pfs,*pfsWas;

    getmessage(m, S_PAPER_CHANGED, &printer, &trayNum, &paper, &mode,
        &pagesPrinted);
    syslog(LOG_DEBUG, "s_paper_changed(%s, %d, %s, %d, %d)",
           (printer ? printer : "NULL"), trayNum, (paper ? paper : "NULL"),
           mode, pagesPrinted);

    if (!(pps = search_pstatus(printer)))
        status = MNODEST;
    else if ((trayNum <=0) || (trayNum > pps->numForms))
        status = MNOTRAY;
    else {
        status = MOK;
        if (*paper && (pfsWas = pps->forms[trayNum-1].form) &&
            (!STREQU(pfsWas->form->paper,paper))) {
            pfs = search_fptable(paper);
            if (pfs) {
                remount_form(pps, pfs, trayNum);
                chgd = 1;
            } else
                status = MNOMEDIA;
        }
        if ( status == MOK ) {
            pps->forms[trayNum].isAvailable = mode;
            if ((chgd || !mode) && (!pagesPrinted) && pps->exec) {
                if (pps->request)
                    pps->request->request->outcome |=
                        RS_STOPPED;
                terminate(pps->exec);
                schedule(EV_LATER, 1, EV_INTERF, pps);
            }
        }
    }
    mputm(md, R_PAPER_CHANGED, status);
}