2 This file is part of GNUnet.
3 Copyright (C) 2009, 2012 GNUnet e.V.
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
17 * @author Christian Grothoff
18 * @file util/resolver.h
23 #include "gnunet_common.h"
25 GNUNET_NETWORK_STRUCT_BEGIN
28 * Request for the resolver. Followed by either the "struct sockaddr"
29 * or the 0-terminated hostname.
31 * The response will be one or more messages of type
32 * RESOLVER_RESPONSE, each with the message header immediately
33 * followed by the requested data (0-terminated hostname or struct
34 * in[6]_addr, depending on direction). The last RESOLVER_RESPONSE
35 * will just be a header without any data (used to indicate the end of
38 struct GNUNET_RESOLVER_GetMessage
41 * Type: GNUNET_MESSAGE_TYPE_RESOLVER_REQUEST
43 struct GNUNET_MessageHeader header;
46 * GNUNET_YES to get hostname from IP,
47 * GNUNET_NO to get IP from hostname.
49 int32_t direction GNUNET_PACKED;
52 * Address family to use (AF_INET, AF_INET6 or AF_UNSPEC).
54 int32_t af GNUNET_PACKED;
56 /* followed by 0-terminated string for A/AAAA-lookup or
57 by 'struct in_addr' / 'struct in6_addr' for reverse lookup */
60 GNUNET_NETWORK_STRUCT_END