cups/notifier/testnotify.c

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2022-05-13 20:08:20 +08:00
/*
* Test notifier for CUPS.
*
* Copyright 2007-2016 by Apple Inc.
* Copyright 1997-2005 by Easy Software Products.
*
* Licensed under Apache License v2.0. See the file "LICENSE" for more information.
*/
/*
* Include necessary headers...
*/
#include <cups/cups-private.h>
/*
* Local functions...
*/
void print_attributes(ipp_t *ipp, int indent);
/*
* 'main()' - Main entry for the test notifier.
*/
int /* O - Exit status */
main(int argc, /* I - Number of command-line arguments */
char *argv[]) /* I - Command-line arguments */
{
int i; /* Looping var */
ipp_t *event; /* Event from scheduler */
ipp_state_t state; /* IPP event state */
setbuf(stderr, NULL);
fprintf(stderr, "DEBUG: argc=%d\n", argc);
for (i = 0; i < argc; i ++)
fprintf(stderr, "DEBUG: argv[%d]=\"%s\"\n", i, argv[i]);
fprintf(stderr, "DEBUG: TMPDIR=\"%s\"\n", getenv("TMPDIR"));
for (;;)
{
event = ippNew();
while ((state = ippReadFile(0, event)) != IPP_DATA)
{
if (state <= IPP_IDLE)
break;
}
if (state == IPP_ERROR)
fputs("DEBUG: ippReadFile() returned IPP_ERROR!\n", stderr);
if (state <= IPP_IDLE)
{
ippDelete(event);
return (0);
}
print_attributes(event, 4);
ippDelete(event);
/*
* If the recipient URI is "testnotify://nowait", then we exit after each
* event...
*/
if (!strcmp(argv[1], "testnotify://nowait"))
return (0);
}
}
/*
* 'print_attributes()' - Print the attributes in a request...
*/
void
print_attributes(ipp_t *ipp, /* I - IPP request */
int indent) /* I - Indentation */
{
ipp_tag_t group; /* Current group */
ipp_attribute_t *attr; /* Current attribute */
char buffer[1024]; /* Value buffer */
for (group = IPP_TAG_ZERO, attr = ipp->attrs; attr; attr = attr->next)
{
if ((attr->group_tag == IPP_TAG_ZERO && indent <= 8) || !attr->name)
{
group = IPP_TAG_ZERO;
fputc('\n', stderr);
continue;
}
if (group != attr->group_tag)
{
group = attr->group_tag;
fprintf(stderr, "DEBUG: %*s%s:\n\n", indent - 4, "", ippTagString(group));
}
ippAttributeString(attr, buffer, sizeof(buffer));
fprintf(stderr, "DEBUG: %*s%s (%s%s) %s\n", indent, "", attr->name,
attr->num_values > 1 ? "1setOf " : "",
ippTagString(attr->value_tag), buffer);
}
}