Function _cupsCreateDest

cups/dest.c:871–941

 */

char *					/* O - Printer URI or @code NULL@ on error */
_cupsCreateDest(const char *name,	/* I - Printer name */
                const char *info,	/* I - Printer description of @code NULL@ */
		const char *device_id,	/* I - 1284 Device ID or @code NULL@ */
		const char *device_uri,	/* I - Device URI */
		char       *uri,	/* I - Printer URI buffer */
		size_t     urisize)	/* I - Size of URI buffer */
{
  http_t	*http;			/* Connection to server */
  ipp_t		*request,		/* CUPS-Create-Local-Printer request */
		*response;		/* CUPS-Create-Local-Printer response */
  ipp_attribute_t *attr;		/* printer-uri-supported attribute */
  ipp_pstate_t	state = IPP_PSTATE_STOPPED;
					/* printer-state value */


  if (!name || !device_uri || !uri || urisize < 32)
    return (NULL);

  if ((http = httpConnect2(cupsServer(), ippPort(), NULL, AF_UNSPEC, HTTP_ENCRYPTION_IF_REQUESTED, 1, 30000, NULL)) == NULL)
    return (NULL);

  request = ippNewRequest(IPP_OP_CUPS_CREATE_LOCAL_PRINTER);

  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, "ipp://localhost/");
  ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsUser());

  ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_URI, "device-uri", NULL, device_uri);
  ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_NAME, "printer-name", NULL, name);
  if (info)
    ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_TEXT, "printer-info", NULL, info);
  if (device_id)
    ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_TEXT, "printer-device-id", NULL, device_id);

  response = cupsDoRequest(http, request, "/");

  if ((attr = ippFindAttribute(response, "printer-uri-supported", IPP_TAG_URI)) != NULL)
    strlcpy(uri, ippGetString(attr, 0, NULL), urisize);
  else
  {
    ippDelete(response);
    httpClose(http);
    return (NULL);
  }

  if ((attr = ippFindAttribute(response, "printer-state", IPP_TAG_ENUM)) != NULL)
    state = (ipp_pstate_t)ippGetInteger(attr, 0);

  while (state == IPP_PSTATE_STOPPED && cupsLastError() == IPP_STATUS_OK)
  {
    sleep(1);
    ippDelete(response);

    request = ippNewRequest(IPP_OP_GET_PRINTER_ATTRIBUTES);

    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri);
    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsUser());
    ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "requested-attributes", NULL, "printer-state");