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  * These coded instructions, statements, and computer programs are the
   8  * property of Apple Inc. and are protected by Federal copyright
   9  * law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  10  * which should have been included with this file.  If this file is
  11  * file is missing or damaged, see the license at "http://www.cups.org/".
  12  */
  13
  14 /*
  15  * Include necessary headers...
  16  */
  17
  18 #include <cups/cups-private.h>
  19
  20
  21 /*
  22  * Local functions...
  23  */
  24
  25 void    print_attributes(ipp_t *ipp, int indent);
  26
  27
  28 /*
  29  * 'main()' - Main entry for the test notifier.
  30  */
  31
  32 int                                     /* O - Exit status */
  33 main(int  argc,                         /* I - Number of command-line arguments */
  34      char *argv[])                      /* I - Command-line arguments */
  35 {
  36   int           i;                      /* Looping var */
  37   ipp_t         *event;                 /* Event from scheduler */
  38   ipp_state_t   state;                  /* IPP event state */
  39
  40
  41   setbuf(stderr, NULL);
  42
  43   fprintf(stderr, "DEBUG: argc=%d\n", argc);
  44   for (i = 0; i < argc; i ++)
  45     fprintf(stderr, "DEBUG: argv[%d]=\"%s\"\n", i, argv[i]);
  46   fprintf(stderr, "DEBUG: TMPDIR=\"%s\"\n", getenv("TMPDIR"));
  47
  48   for (;;)
  49   {
  50     event = ippNew();
  51     while ((state = ippReadFile(0, event)) != IPP_DATA)
  52     {
  53       if (state <= IPP_IDLE)
  54         break;
  55     }
  56
  57     if (state == IPP_ERROR)
  58       fputs("DEBUG: ippReadFile() returned IPP_ERROR!\n", stderr);
  59
  60     if (state <= IPP_IDLE)
  61     {
  62       ippDelete(event);
  63       return (0);
  64     }
  65
  66     print_attributes(event, 4);
  67     ippDelete(event);
  68
  69    /*
  70     * If the recipient URI is "testnotify://nowait", then we exit after each
  71     * event...
  72     */
  73
  74     if (!strcmp(argv[1], "testnotify://nowait"))
  75       return (0);
  76   }
  77 }
  78
  79
  80 /*
  81  * 'print_attributes()' - Print the attributes in a request...
  82  */
  83
  84 void
  85 print_attributes(ipp_t *ipp,            /* I - IPP request */
  86                  int   indent)          /* I - Indentation */
  87 {
  88   ipp_tag_t             group;          /* Current group */
  89   ipp_attribute_t       *attr;          /* Current attribute */
  90   char                  buffer[1024];   /* Value buffer */
  91
  92
  93   for (group = IPP_TAG_ZERO, attr = ipp->attrs; attr; attr = attr->next)
  94   {
  95     if ((attr->group_tag == IPP_TAG_ZERO && indent <= 8) || !attr->name)
  96     {
  97       group = IPP_TAG_ZERO;
  98       fputc('\n', stderr);
  99       continue;
 100     }
 101
 102     if (group != attr->group_tag)
 103     {
 104       group = attr->group_tag;
 105
 106       fprintf(stderr, "DEBUG: %*s%s:\n\n", indent - 4, "", ippTagString(group));
 107     }
 108
 109     ippAttributeString(attr, buffer, sizeof(buffer));
 110
 111     fprintf(stderr, "DEBUG: %*s%s (%s%s) %s\n", indent, "", attr->name,
 112             attr->num_values > 1 ? "1setOf " : "",
 113             ippTagString(attr->value_tag), buffer);
 114   }
 115 }