90 lines
2.8 KiB
Diff
90 lines
2.8 KiB
Diff
diff -up cups-1.5.0/cups/dest.c.cups-get-classes cups-1.5.0/cups/dest.c
|
|
--- cups-1.5.0/cups/dest.c.cups-get-classes 2011-05-20 04:49:49.000000000 +0100
|
|
+++ cups-1.5.0/cups/dest.c 2011-09-14 12:10:05.111635428 +0100
|
|
@@ -534,6 +534,7 @@ _cupsGetDests(http_t *http, /* I -
|
|
char uri[1024]; /* printer-uri value */
|
|
int num_options; /* Number of options */
|
|
cups_option_t *options; /* Options */
|
|
+ int get_classes; /* Whether we need to fetch class */
|
|
#ifdef __APPLE__
|
|
char media_default[41]; /* Default paper size */
|
|
#endif /* __APPLE__ */
|
|
@@ -590,6 +591,8 @@ _cupsGetDests(http_t *http, /* I -
|
|
* printer-uri [for IPP_GET_PRINTER_ATTRIBUTES]
|
|
*/
|
|
|
|
+ get_classes = (op == CUPS_GET_PRINTERS);
|
|
+
|
|
request = ippNewRequest(op);
|
|
|
|
ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
|
|
@@ -647,6 +650,23 @@ _cupsGetDests(http_t *http, /* I -
|
|
attr->value_tag != IPP_TAG_URI)
|
|
continue;
|
|
|
|
+ if (get_classes &&
|
|
+
|
|
+ /* Is this a class? */
|
|
+ ((attr->value_tag == IPP_TAG_ENUM &&
|
|
+ !strcmp(attr->name, "printer-type") &&
|
|
+ (attr->values[0].integer & CUPS_PRINTER_CLASS)) ||
|
|
+
|
|
+ /* Or, is this an attribute from CUPS 1.2 or later? */
|
|
+ !strcmp(attr->name, "auth-info-required") ||
|
|
+ !strncmp(attr->name, "marker-", 7) ||
|
|
+ !strcmp(attr->name, "printer-commands") ||
|
|
+ !strcmp(attr->name, "printer-is-shared")))
|
|
+ /* We are talking to a recent enough CUPS server that
|
|
+ * CUPS_GET_PRINTERS returns classes as well.
|
|
+ */
|
|
+ get_classes = 0;
|
|
+
|
|
if (!strcmp(attr->name, "auth-info-required") ||
|
|
!strcmp(attr->name, "device-uri") ||
|
|
!strcmp(attr->name, "marker-change-time") ||
|
|
@@ -738,6 +758,28 @@ _cupsGetDests(http_t *http, /* I -
|
|
continue;
|
|
}
|
|
|
|
+ /*
|
|
+ * If we sent a CUPS_GET_CLASSES request, check whether
|
|
+ * CUPS_GET_PRINTERS already gave us this destination and exit
|
|
+ * early if so.
|
|
+ */
|
|
+
|
|
+ if (op == CUPS_GET_CLASSES && num_dests > 0)
|
|
+ {
|
|
+ int diff;
|
|
+ cups_find_dest (printer_name, NULL, num_dests, *dests, 0, &diff);
|
|
+ if (diff == 0)
|
|
+ {
|
|
+ /*
|
|
+ * Found it. The CUPS server already gave us the classes in
|
|
+ * its CUPS_GET_PRINTERS response.
|
|
+ */
|
|
+
|
|
+ cupsFreeOptions(num_options, options);
|
|
+ break;
|
|
+ }
|
|
+ }
|
|
+
|
|
if ((dest = cups_add_dest(printer_name, NULL, &num_dests, dests)) != NULL)
|
|
{
|
|
dest->num_options = num_options;
|
|
@@ -754,6 +796,15 @@ _cupsGetDests(http_t *http, /* I -
|
|
}
|
|
|
|
/*
|
|
+ * If this is a CUPS_GET_PRINTERS request but we didn't see any
|
|
+ * classes we might be talking to an older CUPS server that requires
|
|
+ * CUPS_GET_CLASSES as well.
|
|
+ */
|
|
+
|
|
+ if (get_classes)
|
|
+ num_dests = _cupsGetDests (http, CUPS_GET_CLASSES, name, dests);
|
|
+
|
|
+ /*
|
|
* Return the count...
|
|
*/
|
|
|