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resolve.c

/*
 * Copyright 2003, 2004, 2004 Porchdog Software. All rights reserved.
 *
 *    Redistribution and use in source and binary forms, with or without modification,
 *    are permitted provided that the following conditions are met:
 *
 *          1. Redistributions of source code must retain the above copyright notice,
 *             this list of conditions and the following disclaimer.
 *          2. Redistributions in binary form must reproduce the above copyright notice,
 *             this list of conditions and the following disclaimer in the documentation
 *             and/or other materials provided with the distribution.
 *
 *    THIS SOFTWARE IS PROVIDED BY PORCHDOG SOFTWARE ``AS IS'' AND ANY
 *    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 *    IN NO EVENT SHALL THE HOWL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 *    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 *    BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 *    OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 *    OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 *    OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *    The views and conclusions contained in the software and documentation are those
 *    of the authors and should not be interpreted as representing official policies,
 *    either expressed or implied, of Porchdog Software.
 */

#include <howl.h>
#include <salt/debug.h>
#include <stdio.h>


static sw_result HOWL_API
my_resolver(
                        sw_discovery                  discovery,
                        sw_discovery_oid        oid,
                        sw_uint32                     interface_index,
                        sw_const_string         name,
                        sw_const_string         type,
                        sw_const_string         domain,
                        sw_ipv4_address         address,
                        sw_port                             port,
                        sw_octets                     text_record,
                        sw_uint32                     text_record_len,
                        sw_opaque_t                   extra)
{
      sw_text_record_iterator                   it;
      sw_int8                                                     name_buf[16];
      sw_int8                                                     key[SW_TEXT_RECORD_MAX_LEN];
      sw_int8                                                     sval[SW_TEXT_RECORD_MAX_LEN];
      sw_uint8                                                    oval[SW_TEXT_RECORD_MAX_LEN];
      sw_uint32                                             oval_len;
      sw_result                                             err = SW_OKAY;

      sw_discovery_cancel(discovery, oid);

      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);

      if ((text_record_len > 0) && (text_record) && (*text_record != '\0'))
      {
            err = sw_text_record_iterator_init(&it, text_record, text_record_len);
            sw_check_okay(err, exit);

            while (sw_text_record_iterator_next(it, key, oval, &oval_len) == SW_OKAY)
            {
                  fprintf(stderr, "key = %s, data is %d bytes\n", key, oval_len);
            }

            err = sw_text_record_iterator_fina(it);
            sw_check_okay(err, exit);
      }

exit:

      return err;
}


#if defined(WIN32)
int __cdecl
#else
int
#endif
main(
      int         argc,
      char  **    argv)
{
      sw_discovery            discovery;
      sw_discovery_oid  oid;
      sw_result               err;

      err = sw_discovery_init(&discovery);
      sw_check_okay(err, exit);

      if (argc != 3)
      {
            fprintf(stderr, "usage: mDNSResolve <name> <type>\n");
            return -1;
      }

      err = sw_discovery_resolve(discovery, 0, argv[1], argv[2], "local.", my_resolver, NULL, &oid);
      sw_check_okay(err, exit);

      err = sw_discovery_run(discovery);
      sw_check_okay(err, exit);

exit:

      return err;
}

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