dns_struct.h revision 290001 
1/*
2 * Copyright (c) 2000-2007 Niels Provos <provos@citi.umich.edu>
3 * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 *    derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27#ifndef EVENT2_DNS_STRUCT_H_INCLUDED_
28#define EVENT2_DNS_STRUCT_H_INCLUDED_
29
30/** @file event2/dns_struct.h
31
32  Data structures for dns.  Using these structures may hurt forward
33  compatibility with later versions of Libevent: be careful!
34
35 */
36
37#ifdef __cplusplus
38extern "C" {
39#endif
40
41#include <event2/event-config.h>
42#ifdef EVENT__HAVE_SYS_TYPES_H
43#include <sys/types.h>
44#endif
45#ifdef EVENT__HAVE_SYS_TIME_H
46#include <sys/time.h>
47#endif
48
49/* For int types. */
50#include <event2/util.h>
51
52/*
53 * Structures used to implement a DNS server.
54 */
55
56struct evdns_server_request {
57	int flags;
58	int nquestions;
59	struct evdns_server_question **questions;
60};
61struct evdns_server_question {
62	int type;
63#ifdef __cplusplus
64	int dns_question_class;
65#else
66	/* You should refer to this field as "dns_question_class".  The
67	 * name "class" works in C for backward compatibility, and will be
68	 * removed in a future version. (1.5 or later). */
69	int class;
70#define dns_question_class class
71#endif
72	char name[1];
73};
74
75#ifdef __cplusplus
76}
77#endif
78
79#endif /* EVENT2_DNS_STRUCT_H_INCLUDED_ */
80
81