libpapi-lpd/common/lpd-cancel.c

/*
 * 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 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 *
 */

/* $Id: lpd-cancel.c 155 2006-04-26 02:34:54Z ktou $ */

#define __EXTENSIONS__  /* for strtok_r() */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <papi_impl.h>

papi_status_t
lpd_cancel_job(service_t *svc, int id)
{
    papi_status_t status = PAPI_INTERNAL_ERROR;
    int fd;
    char *list[2];
    char buf[128];  /* this should be overkill */

    if (svc == NULL)
        return (PAPI_BAD_ARGUMENT);

    snprintf(buf, sizeof (buf), "%d", id);
    list[0] = buf;
    list[1] = NULL;

    if ((fd = lpd_open(svc, 'c', list, 15)) < 0)
        return (PAPI_INTERNAL_ERROR);

    memset(buf, 0, sizeof (buf));
    if (fdgets(buf, sizeof (buf), fd) != NULL) {
        if (buf[0] == '\0')
            status = PAPI_NOT_FOUND;
        else if ((strstr(buf, "permission denied") != NULL) ||
            (strstr(buf, "not-authorized") != NULL))
            status = PAPI_NOT_AUTHORIZED;
        else if ((strstr(buf, "cancelled") != NULL) ||
            (strstr(buf, "removed") != NULL))
            status = PAPI_OK;
    } else
        status = PAPI_NOT_FOUND;

    close(fd);

    return (status);
}

papi_status_t
lpd_purge_jobs(service_t *svc, job_t ***jobs)
{
    papi_status_t status = PAPI_INTERNAL_ERROR;
    int fd;
    char *queue;
    char buf[256];

    if (svc == NULL)
        return (PAPI_BAD_ARGUMENT);

    if ((fd = lpd_open(svc, 'c', NULL, 15)) < 0)
        return (PAPI_INTERNAL_ERROR);

    queue = queue_name_from_uri(svc->uri);

    status = PAPI_OK;
    memset(buf, 0, sizeof (buf));
    while (fdgets(buf, sizeof (buf), fd) != NULL) {
        /* if we canceled it, add it to the list */
        if ((strstr(buf, "cancelled") != NULL) ||
            (strstr(buf, "removed") != NULL)) {
            job_t *job;
            papi_attribute_t **attributes = NULL;
            char *ptr, *iter = NULL;
            int id;

            ptr = strtok_r(buf, ":", &iter);
            papiAttributeListAddString(&attributes, PAPI_ATTR_EXCL,
                "job-name", ptr);
            id = atoi(ptr);
            papiAttributeListAddInteger(&attributes, PAPI_ATTR_EXCL,
                "job-id", id);
            papiAttributeListAddString(&attributes, PAPI_ATTR_EXCL,
                "job-printer", queue);

            if ((job = (job_t *)calloc(1, (sizeof (*job))))
                != NULL) {
                job->attributes = attributes;
                list_append(jobs, job);
            } else
                papiAttributeListFree(attributes);
        } else if (strstr(buf, "permission denied") != NULL)
            status = PAPI_NOT_AUTHORIZED;
    }
    close(fd);

    return (status);
}