notifier/testnotify.c

   1 /*
   2  * Test notifier for CUPS.
   3  *
   4  * Copyright 2007-2016 by Apple Inc.
   5  * Copyright 1997-2005 by Easy Software Products.
   6  *
   7  * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
   8  */
   9
  10 /*
  11  * Include necessary headers...
  12  */
  13
  14 #include <cups/cups-private.h>
  15
  16
  17 /*
  18  * Local functions...
  19  */
  20
  21 void    print_attributes(ipp_t *ipp, int indent);
  22
  23
  24 /*
  25  * 'main()' - Main entry for the test notifier.
  26  */
  27
  28 int                                     /* O - Exit status */
  29 main(int  argc,                         /* I - Number of command-line arguments */
  30      char *argv[])                      /* I - Command-line arguments */
  31 {
  32   int           i;                      /* Looping var */
  33   ipp_t         *event;                 /* Event from scheduler */
  34   ipp_state_t   state;                  /* IPP event state */
  35
  36
  37   setbuf(stderr, NULL);
  38
  39   fprintf(stderr, "DEBUG: argc=%d\n", argc);
  40   for (i = 0; i < argc; i ++)
  41     fprintf(stderr, "DEBUG: argv[%d]=\"%s\"\n", i, argv[i]);
  42   fprintf(stderr, "DEBUG: TMPDIR=\"%s\"\n", getenv("TMPDIR"));
  43
  44   for (;;)
  45   {
  46     event = ippNew();
  47     while ((state = ippReadFile(0, event)) != IPP_DATA)
  48     {
  49       if (state <= IPP_IDLE)
  50         break;
  51     }
  52
  53     if (state == IPP_ERROR)
  54       fputs("DEBUG: ippReadFile() returned IPP_ERROR!\n", stderr);
  55
  56     if (state <= IPP_IDLE)
  57     {
  58       ippDelete(event);
  59       return (0);
  60     }
  61
  62     print_attributes(event, 4);
  63     ippDelete(event);
  64
  65    /*
  66     * If the recipient URI is "testnotify://nowait", then we exit after each
  67     * event...
  68     */
  69
  70     if (!strcmp(argv[1], "testnotify://nowait"))
  71       return (0);
  72   }
  73 }
  74
  75
  76 /*
  77  * 'print_attributes()' - Print the attributes in a request...
  78  */
  79
  80 void
  81 print_attributes(ipp_t *ipp,            /* I - IPP request */
  82                  int   indent)          /* I - Indentation */
  83 {
  84   ipp_tag_t             group;          /* Current group */
  85   ipp_attribute_t       *attr;          /* Current attribute */
  86   char                  buffer[1024];   /* Value buffer */
  87
  88
  89   for (group = IPP_TAG_ZERO, attr = ipp->attrs; attr; attr = attr->next)
  90   {
  91     if ((attr->group_tag == IPP_TAG_ZERO && indent <= 8) || !attr->name)
  92     {
  93       group = IPP_TAG_ZERO;
  94       fputc('\n', stderr);
  95       continue;
  96     }
  97
  98     if (group != attr->group_tag)
  99     {
 100       group = attr->group_tag;
 101
 102       fprintf(stderr, "DEBUG: %*s%s:\n\n", indent - 4, "", ippTagString(group));
 103     }
 104
 105     ippAttributeString(attr, buffer, sizeof(buffer));
 106
 107     fprintf(stderr, "DEBUG: %*s%s (%s%s) %s\n", indent, "", attr->name,
 108             attr->num_values > 1 ? "1setOf " : "",
 109             ippTagString(attr->value_tag), buffer);
 110   }
 111 }