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-rw-r--r--src/gns/gns.h104
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diff --git a/src/gns/gns.h b/src/gns/gns.h
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1/*
2 This file is part of GNUnet
3 Copyright (C) 2012-2020 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 * @file gns/gns.h
22 * @brief IPC messages between GNS API and GNS service
23 * @author Martin Schanzenbach
24 */
25#ifndef GNS_H
26#define GNS_H
27
28#include "gnunet_gns_service.h"
29
30
31GNUNET_NETWORK_STRUCT_BEGIN
32
33/**
34 * Message from client to GNS service to lookup records.
35 */
36struct LookupMessage
37{
38 /**
39 * Header of type #GNUNET_MESSAGE_TYPE_GNS_LOOKUP
40 */
41 struct GNUNET_MessageHeader header;
42
43 /**
44 * Unique identifier for this request (for key collisions).
45 */
46 uint32_t id GNUNET_PACKED;
47
48 /**
49 * Local options for where to look for results
50 * (an `enum GNUNET_GNS_LocalOptions` in NBO).
51 */
52 int16_t options GNUNET_PACKED;
53
54 /**
55 * Recursion depth limit, i.e. how many more
56 * GNS zones may be traversed during the resolution
57 * of this name.
58 */
59 uint16_t recursion_depth_limit GNUNET_PACKED;
60
61 /**
62 * the type of record to look up
63 */
64 int32_t type GNUNET_PACKED;
65
66 /**
67 * Length of the zone key
68 */
69 uint32_t key_len GNUNET_PACKED;
70 /**
71 * Followed by the zone that is to be used for lookup
72 * Followed by the zero-terminated name to look up */
73};
74
75
76/**
77 * Message from GNS service to client: new results.
78 */
79struct LookupResultMessage
80{
81 /**
82 * Header of type #GNUNET_MESSAGE_TYPE_GNS_LOOKUP_RESULT
83 */
84 struct GNUNET_MessageHeader header;
85
86 /**
87 * Unique identifier for this request (for key collisions).
88 */
89 uint32_t id GNUNET_PACKED;
90
91 /**
92 * The number of records contained in response. Zero for
93 * NXDOMAIN (as GNS always returns all records, there is
94 * no "NO DATA" case).
95 */
96 uint32_t rd_count GNUNET_PACKED;
97
98 /* followed by rd_count GNUNET_GNSRECORD_Data structs*/
99};
100
101
102GNUNET_NETWORK_STRUCT_END
103
104#endif