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-rw-r--r--src/dv/dv.h172
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diff --git a/src/dv/dv.h b/src/dv/dv.h
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1/*
2 This file is part of GNUnet.
3 Copyright (C) 2013 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 dv/dv.h
24 * @brief IPC messages between DV service and DV plugin
25 */
26#ifndef DV_H
27#define DV_H
28
29#include "gnunet_common.h"
30
31GNUNET_NETWORK_STRUCT_BEGIN
32
33/**
34 * DV service tells plugin about a DV-connection being
35 * now available.
36 */
37struct GNUNET_DV_ConnectMessage
38{
39 /**
40 * Type: #GNUNET_MESSAGE_TYPE_DV_CONNECT
41 */
42 struct GNUNET_MessageHeader header;
43
44 /**
45 * The distance to the peer that we are now connected to
46 */
47 uint32_t distance GNUNET_PACKED;
48
49 /**
50 * The other peer (at the given distance).
51 */
52 struct GNUNET_PeerIdentity peer;
53
54 /**
55 * The network the peer is in
56 */
57 uint32_t network GNUNET_PACKED;
58
59};
60
61
62/**
63 * DV service tells plugin about a DV-connection being
64 * no longer available.
65 *
66 * Sender address is copied to the end of this struct,
67 * followed by the actual message received.
68 */
69struct GNUNET_DV_DisconnectMessage
70{
71 /**
72 * Type: #GNUNET_MESSAGE_TYPE_DV_DISCONNECT
73 */
74 struct GNUNET_MessageHeader header;
75
76 /**
77 * Always zero.
78 */
79 uint32_t reserved GNUNET_PACKED;
80
81 /**
82 * The peer that is no longer available.
83 */
84 struct GNUNET_PeerIdentity peer;
85
86};
87
88
89/**
90 * DV Message, contains a message that was received via DV for this
91 * peer. Send from the DV service to the DV plugin.
92 *
93 * Sender address is copied to the end of this struct,
94 * followed by the actual message received.
95 */
96struct GNUNET_DV_ReceivedMessage
97{
98 /**
99 * Type: #GNUNET_MESSAGE_TYPE_DV_RECV
100 */
101 struct GNUNET_MessageHeader header;
102
103 /**
104 * The distance to the peer that we received the message from
105 */
106 uint32_t distance GNUNET_PACKED;
107
108 /**
109 * The (actual) sender of the message
110 */
111 struct GNUNET_PeerIdentity sender;
112
113 /* payload follows */
114};
115
116
117/**
118 * Message from plugin to DV service, requesting a
119 * message to be routed.
120 */
121struct GNUNET_DV_SendMessage
122{
123 /**
124 * Type: #GNUNET_MESSAGE_TYPE_DV_SEND
125 */
126 struct GNUNET_MessageHeader header;
127
128 /**
129 * Reserved for alignment. 0.
130 */
131 uint32_t reserved GNUNET_PACKED;
132
133 /**
134 * The (actual) target of the message
135 */
136 struct GNUNET_PeerIdentity target;
137
138};
139
140
141/**
142 * Message from service to DV plugin, saying that our
143 * distance to another peer changed.
144 */
145struct GNUNET_DV_DistanceUpdateMessage
146{
147 /**
148 * Type: #GNUNET_MESSAGE_TYPE_DV_DISTANCE_CHANGED.
149 */
150 struct GNUNET_MessageHeader header;
151
152 /**
153 * What is the new distance?
154 */
155 uint32_t distance GNUNET_PACKED;
156
157 /**
158 * The peer for which the distance changed.
159 */
160 struct GNUNET_PeerIdentity peer;
161
162 /**
163 * The network the peer is in
164 */
165 uint32_t network GNUNET_PACKED;
166
167};
168
169
170GNUNET_NETWORK_STRUCT_END
171
172#endif