libipp-listener/common/cups-get-printers.c

	cups-get-printers.c revision 355b4669e025ff377602b6fc7caaf30dbc218371
/*
 * 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.
 *
 */

/* $Id: cups-get-printers.c 146 2006-03-24 00:26:54Z njacobs $ */

#pragma ident   "%Z%%M% %I% %E% SMI"

#include <stdio.h>
#include <papi.h>
#include <ipp.h>
#include <ipp-listener.h>

papi_status_t
cups_get_printers(papi_service_t svc, papi_attribute_t **request,
        papi_attribute_t ***response)
{
    papi_status_t status;
    papi_printer_t *p = NULL;
    papi_attribute_t **operational = NULL;
    papi_filter_t filt;

    char **req_attrs = NULL;
    int limit = 0;

    /* Get operational attributes from the request */
    (void) papiAttributeListGetCollection(request, NULL,
                "operational-attributes-group", &operational);

    /*
     * The operational-attributes-group may contain:
     *  limit
     *  printer-info
     *  printer-location
     *  printer-type
     *  printer-type-mask
     *  requested-attributes
     */

    papiAttributeListGetInteger(operational, NULL, "limit", &limit);

    get_string_list(operational, "requested-attributes", &req_attrs);

    /* only ask for the classes */
    filt.type = PAPI_FILTER_BITMASK;
    filt.filter.bitmask.mask = ~PAPI_PRINTER_CLASS;
    filt.filter.bitmask.value = PAPI_PRINTER_LOCAL | PAPI_PRINTER_REMOTE;

    /* query the print service for printers information */
    status = papiPrintersList(svc, req_attrs, &filt, &p);
    if (status != PAPI_OK) {
        ipp_set_status(response, status, "query printers: %s",
                ipp_svc_status_mesg(svc, status));
        papiPrinterListFree(p); /* we shouldn't have any printers */
        return (status);
    }

    if (p != NULL) {
        int i;

        for (i = 0; p[i] != NULL; i++)
            papi_to_ipp_printer_group(response, request,
                    PAPI_ATTR_APPEND, p[i]);
        papiPrinterListFree(p);
    }

    return (status);
}