libipp-listener/common/get-printer-attributes.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 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 *
 */

/* $Id: get-printer-attributes.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
ipp_get_printer_attributes(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_attribute_t **printer_attributes = NULL;

    char **req_attrs = NULL;
    char *doc_fmt = NULL;
    char *queue = NULL;

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

    /*
     * The operational-attributes-group must contain:
     *  printer-uri
     */
    get_printer_id(operational, &queue, NULL);
    if (queue == NULL) {
        ipp_set_status(response, status, "printer-uri: %s",
            papiStatusString(status));
        return (PAPI_BAD_REQUEST);
    }

    /*
     * The operational-attributes-group may contain:
     *  requested-attributes
     *  document-format
     */
    get_string_list(operational, "requested-attributes", &req_attrs);
    (void) papiAttributeListGetString(operational, NULL,
            "document-format", &doc_fmt);
    status = papiPrinterQuery(svc, queue, req_attrs, NULL, &p);
    if (status != PAPI_OK) {
        ipp_set_status(response, status, "query printer: %s",
                ipp_svc_status_mesg(svc, status));
        papiPrinterFree(p); /* we shouldn't have a printer */
        return (status);
    }

    /*
     * add the printer attributes to the response in a
     * printer-attributes-group
     */
    if (p != NULL) {
        papi_to_ipp_printer_group(response, request,
                    PAPI_ATTR_REPLACE, p);
        papiPrinterFree(p);
    }

    return (status);
}