*
* cupsGetDevices implementation for the Common UNIX Printing System (CUPS).
*
- * Copyright 2008 by Apple Inc.
+ * Copyright 2008-2009 by Apple Inc.
*
* These coded instructions, statements, and computer programs are the
* property of Apple Inc. and are protected by Federal copyright
*
* Contents:
*
+ * cupsGetDevices() - Get available printer devices.
*/
/*
*
* This function sends a CUPS-Get-Devices request and streams the discovered
* devices to the specified callback function. The "timeout" parameter controls
- * how long the request lasts, while the "exclude_schemes" parameter provides
- * a comma-delimited list of backends to omit from the request.
+ * how long the request lasts, while the "include_schemes" and "exclude_schemes"
+ * parameters provide comma-delimited lists of backends to include or omit from
+ * the request respectively.
*
* @since CUPS 1.4@
*/
cupsGetDevices(
http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */
int timeout, /* I - Timeout in seconds or @code CUPS_TIMEOUT_DEFAULT@ */
+ const char *include_schemes, /* I - Comma-separated URI schemes to include or @code CUPS_INCLUDE_ALL@ */
const char *exclude_schemes, /* I - Comma-separated URI schemes to exclude or @code CUPS_EXCLUDE_NONE@ */
cups_device_cb_t callback, /* I - Callback function */
void *user_data) /* I - User data pointer */
const char *device_class, /* device-class value */
*device_id, /* device-id value */
*device_info, /* device-info value */
+ *device_location, /* device-location value */
*device_make_and_model, /* device-make-and-model value */
*device_uri; /* device-uri value */
int blocking; /* Current blocking-IO mode */
- cups_option_t option; /* exclude-schemes option */
+ cups_option_t option; /* in/exclude-schemes option */
http_status_t status; /* HTTP status of request */
ipp_state_t state; /* IPP response state */
* Range check input...
*/
+ DEBUG_printf(("cupsGetDevices(http=%p, timeout=%d, include_schemes=\"%s\", "
+ "exclude_schemes=\"%s\", callback=%p, user_data=%p)", http,
+ timeout, include_schemes, exclude_schemes, callback,
+ user_data));
+
if (!callback)
return (IPP_INTERNAL_ERROR);
ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, "timeout",
timeout);
+ if (include_schemes)
+ {
+ option.name = "include-schemes";
+ option.value = (char *)include_schemes;
+
+ cupsEncodeOptions2(request, 1, &option, IPP_TAG_OPERATION);
+ }
+
if (exclude_schemes)
{
option.name = "exclude-schemes";
do
{
- DEBUG_puts("cupsGetDevices: Sending request...");
+ DEBUG_puts("2cupsGetDevices: Sending request...");
status = cupsSendRequest(http, request, "/", ippLength(request));
- DEBUG_puts("cupsGetDevices: Waiting for response status...");
+ DEBUG_puts("2cupsGetDevices: Waiting for response status...");
while (status == HTTP_CONTINUE)
status = httpUpdate(http);
* See if we can do authentication...
*/
- int auth_result;
+ DEBUG_puts("2cupsGetDevices: Need authorization...");
- DEBUG_puts("cupsGetDevices: Need authorization...");
-
- if ((auth_result = cupsDoAuthentication(http, "POST", "/")) == 0)
+ if (!cupsDoAuthentication(http, "POST", "/"))
httpReconnect(http);
- else if (auth_result < 0)
- http->status = status = HTTP_FORBIDDEN;
+ else
+ {
+ status = HTTP_AUTHORIZATION_CANCELED;
+ break;
+ }
}
#ifdef HAVE_SSL
* Force a reconnect with encryption...
*/
- DEBUG_puts("cupsGetDevices: Need encryption...");
+ DEBUG_puts("2cupsGetDevices: Need encryption...");
if (!httpReconnect(http))
httpEncryption(http, HTTP_ENCRYPT_REQUIRED);
}
while (status == HTTP_UNAUTHORIZED || status == HTTP_UPGRADE_REQUIRED);
- DEBUG_printf(("cupsGetDevices: status=%d\n", status));
+ DEBUG_printf(("2cupsGetDevices: status=%d", status));
ippDelete(request);
device_class = NULL;
device_id = NULL;
device_info = NULL;
+ device_location = "";
device_make_and_model = NULL;
device_uri = NULL;
attr = NULL;
- DEBUG_puts("cupsGetDevices: Reading response...");
+ DEBUG_puts("2cupsGetDevices: Reading response...");
do
{
if ((state = ippRead(http, response)) == IPP_ERROR)
break;
- DEBUG_printf(("cupsGetDevices: state=%d, response->last=%p\n", state,
+ DEBUG_printf(("2cupsGetDevices: state=%d, response->last=%p", state,
response->last));
if (!response->attrs)
else
attr = attr->next;
- DEBUG_printf(("cupsGetDevices: attr->name=\"%s\", attr->value_tag=%d\n",
- attr->name ? attr->name : "(null)", attr->value_tag));
+ DEBUG_printf(("2cupsGetDevices: attr->name=\"%s\", attr->value_tag=%d",
+ attr->name, attr->value_tag));
if (!attr->name)
{
if (device_class && device_id && device_info && device_make_and_model &&
device_uri)
(*callback)(device_class, device_id, device_info,
- device_make_and_model, device_uri, user_data);
+ device_make_and_model, device_uri, device_location,
+ user_data);
device_class = NULL;
device_id = NULL;
device_info = NULL;
+ device_location = "";
device_make_and_model = NULL;
device_uri = NULL;
}
else if (!strcmp(attr->name, "device-info") &&
attr->value_tag == IPP_TAG_TEXT)
device_info = attr->values[0].string.text;
+ else if (!strcmp(attr->name, "device-location") &&
+ attr->value_tag == IPP_TAG_TEXT)
+ device_location = attr->values[0].string.text;
else if (!strcmp(attr->name, "device-make-and-model") &&
attr->value_tag == IPP_TAG_TEXT)
device_make_and_model = attr->values[0].string.text;
}
while (state != IPP_DATA);
- DEBUG_printf(("cupsGetDevices: state=%d, response->last=%p\n", state,
+ DEBUG_printf(("2cupsGetDevices: state=%d, response->last=%p", state,
response->last));
if (device_class && device_id && device_info && device_make_and_model &&
device_uri)
(*callback)(device_class, device_id, device_info,
- device_make_and_model, device_uri, user_data);
+ device_make_and_model, device_uri, device_location, user_data);
/*
* Set the IPP status and return...
*/
httpBlocking(http, blocking);
+ httpFlush(http);
if (status == IPP_ERROR)
- _cupsSetError(IPP_ERROR, NULL);
+ _cupsSetError(IPP_ERROR, NULL, 0);
else
{
attr = ippFindAttribute(response, "status-message", IPP_TAG_TEXT);
- DEBUG_printf(("cupsGetDevices: status-code=%s, status-message=\"%s\"\n",
+ DEBUG_printf(("cupsGetDevices: status-code=%s, status-message=\"%s\"",
ippErrorString(response->request.status.status_code),
attr ? attr->values[0].string.text : ""));
_cupsSetError(response->request.status.status_code,
- attr ? attr->values[0].string.text :
- ippErrorString(response->request.status.status_code));
+ attr ? attr->values[0].string.text :
+ ippErrorString(response->request.status.status_code), 0);
}
ippDelete(response);
projects / thirdparty / cups.git / blobdiff