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Diffstat (limited to 'src/lib/util/resolver.h')
-rw-r--r-- | src/lib/util/resolver.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/lib/util/resolver.h b/src/lib/util/resolver.h new file mode 100644 index 000000000..e487f6e6f --- /dev/null +++ b/src/lib/util/resolver.h | |||
@@ -0,0 +1,93 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2009, 2012 GNUnet e.V. | ||
4 | |||
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. | ||
9 | |||
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. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | |||
18 | SPDX-License-Identifier: AGPL3.0-or-later | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @author Christian Grothoff | ||
23 | * @file util/resolver.h | ||
24 | */ | ||
25 | #ifndef RESOLVER_H | ||
26 | #define RESOLVER_H | ||
27 | |||
28 | #include "gnunet_common.h" | ||
29 | |||
30 | GNUNET_NETWORK_STRUCT_BEGIN | ||
31 | |||
32 | /** | ||
33 | * Request for the resolver. Followed by either the "struct sockaddr" | ||
34 | * or the 0-terminated hostname. | ||
35 | * | ||
36 | * The response will be one or more messages of type | ||
37 | * RESOLVER_RESPONSE, each with the message header immediately | ||
38 | * followed by the requested data (0-terminated hostname or struct | ||
39 | * in[6]_addr, depending on direction). The last RESOLVER_RESPONSE | ||
40 | * will just be a header without any data (used to indicate the end of | ||
41 | * the list). | ||
42 | */ | ||
43 | struct GNUNET_RESOLVER_GetMessage | ||
44 | { | ||
45 | /** | ||
46 | * Type: #GNUNET_MESSAGE_TYPE_RESOLVER_REQUEST | ||
47 | */ | ||
48 | struct GNUNET_MessageHeader header; | ||
49 | |||
50 | /** | ||
51 | * GNUNET_YES to get hostname from IP, | ||
52 | * GNUNET_NO to get IP from hostname. | ||
53 | */ | ||
54 | int32_t direction GNUNET_PACKED; | ||
55 | |||
56 | /** | ||
57 | * Address family to use (AF_INET, AF_INET6 or AF_UNSPEC). | ||
58 | */ | ||
59 | int32_t af GNUNET_PACKED; | ||
60 | |||
61 | /** | ||
62 | * identifies the request and is contained in the response message. The | ||
63 | * client has to match response to request by this identifier. | ||
64 | */ | ||
65 | uint32_t client_id GNUNET_PACKED; | ||
66 | |||
67 | /* followed by 0-terminated string for A/AAAA-lookup or | ||
68 | by 'struct in_addr' / 'struct in6_addr' for reverse lookup */ | ||
69 | }; | ||
70 | |||
71 | |||
72 | struct GNUNET_RESOLVER_ResponseMessage | ||
73 | { | ||
74 | /** | ||
75 | * Type: #GNUNET_MESSAGE_TYPE_RESOLVER_RESPONSE | ||
76 | */ | ||
77 | struct GNUNET_MessageHeader header; | ||
78 | |||
79 | /** | ||
80 | * identifies the request this message responds to. The client | ||
81 | * has to match response to request by this identifier. | ||
82 | */ | ||
83 | uint32_t client_id GNUNET_PACKED; | ||
84 | |||
85 | /* followed by 0-terminated string for response to a reverse lookup | ||
86 | * or by 'struct in_addr' / 'struct in6_addr' for response to | ||
87 | * A/AAAA-lookup | ||
88 | */ | ||
89 | }; | ||
90 | |||
91 | GNUNET_NETWORK_STRUCT_END | ||
92 | |||
93 | #endif | ||