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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
38 extern "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 
56 struct evdns_server_request {
57 	int flags;
58 	int nquestions;
59 	struct evdns_server_question **questions;
60 };
61 struct 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