git.meshlink.io Git - catta/blob - avahi-compat-howl/samples/resolve.c

   1 /*
   2  * Copyright 2003, 2004, 2004 Porchdog Software. All rights reserved.
   3  *
   4  *      Redistribution and use in source and binary forms, with or without modification,
   5  *      are permitted provided that the following conditions are met:
   6  *
   7  *              1. Redistributions of source code must retain the above copyright notice,
   8  *                 this list of conditions and the following disclaimer.
   9  *              2. Redistributions in binary form must reproduce the above copyright notice,
  10  *                 this list of conditions and the following disclaimer in the documentation
  11  *                 and/or other materials provided with the distribution.
  12  *
  13  *      THIS SOFTWARE IS PROVIDED BY PORCHDOG SOFTWARE ``AS IS'' AND ANY
  14  *      EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  15  *      WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  16  *      IN NO EVENT SHALL THE HOWL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  17  *      INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  18  *      BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  19  *      DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  20  *      OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  21  *      OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  22  *      OF THE POSSIBILITY OF SUCH DAMAGE.
  23  *
  24  *      The views and conclusions contained in the software and documentation are those
  25  *      of the authors and should not be interpreted as representing official policies,
  26  *      either expressed or implied, of Porchdog Software.
  27  */
  28
  29 #include <howl.h>
  30 #include <salt/debug.h>
  31 #include <stdio.h>
  32
  33
  34 static sw_result HOWL_API
  35 my_resolver(
  36                                 sw_discovery                    discovery,
  37                                 sw_discovery_oid                oid,
  38                                 sw_uint32                               interface_index,
  39                                 sw_const_string         name,
  40                                 sw_const_string         type,
  41                                 sw_const_string         domain,
  42                                 sw_ipv4_address         address,
  43                                 sw_port                                 port,
  44                                 sw_octets                               text_record,
  45                                 sw_uint32                               text_record_len,
  46                                 sw_opaque_t                             extra)
  47 {
  48         sw_text_record_iterator                         it;
  49         sw_int8                                                                 name_buf[16];
  50         sw_int8                                                                 key[SW_TEXT_RECORD_MAX_LEN];
  51         sw_int8                                                                 sval[SW_TEXT_RECORD_MAX_LEN];
  52         sw_uint8                                                                        oval[SW_TEXT_RECORD_MAX_LEN];
  53         sw_uint32                                                               oval_len;
  54         sw_result                                                               err = SW_OKAY;
  55
  56         sw_discovery_cancel(discovery, oid);
  57
  58         fprintf(stderr, "resolve reply: 0x%x %s %s %s %s %d\n", interface_index, name, type, domain, sw_ipv4_address_name(address, name_buf, 16), port);
  59
  60         if ((text_record_len > 0) && (text_record) && (*text_record != '\0'))
  61         {
  62                 err = sw_text_record_iterator_init(&it, text_record, text_record_len);
  63                 sw_check_okay(err, exit);
  64
  65                 while (sw_text_record_iterator_next(it, key, oval, &oval_len) == SW_OKAY)
  66                 {
  67                         fprintf(stderr, "key = %s, data is %d bytes\n", key, oval_len);
  68                 }
  69
  70                 err = sw_text_record_iterator_fina(it);
  71                 sw_check_okay(err, exit);
  72         }
  73
  74 exit:
  75
  76         return err;
  77 }
  78
  79
  80 #if defined(WIN32)
  81 int __cdecl
  82 #else
  83 int
  84 #endif
  85 main(
  86         int             argc,
  87         char    **      argv)
  88 {
  89         sw_discovery            discovery;
  90         sw_discovery_oid        oid;
  91         sw_result                       err;
  92
  93         err = sw_discovery_init(&discovery);
  94         sw_check_okay(err, exit);
  95
  96         if (argc != 3)
  97         {
  98                 fprintf(stderr, "usage: mDNSResolve <name> <type>\n");
  99                 return -1;
 100         }
 101
 102         err = sw_discovery_resolve(discovery, 0, argv[1], argv[2], "local.", my_resolver, NULL, &oid);
 103         sw_check_okay(err, exit);
 104
 105         err = sw_discovery_run(discovery);
 106         sw_check_okay(err, exit);
 107
 108 exit:
 109
 110         return err;
 111 }