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diff --git a/src/messenger/gnunet-service-messenger_ego_store.h b/src/messenger/gnunet-service-messenger_ego_store.h
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1/*
2 This file is part of GNUnet.
3 Copyright (C) 2020--2021 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 * @author Tobias Frisch
22 * @file src/messenger/gnunet-service-messenger_ego_store.h
23 * @brief GNUnet MESSENGER service
24 */
25
26#ifndef GNUNET_SERVICE_MESSENGER_EGO_STORE_H
27#define GNUNET_SERVICE_MESSENGER_EGO_STORE_H
28
29#include "platform.h"
30#include "gnunet_container_lib.h"
31
32#include "messenger_api_ego.h"
33
34struct GNUNET_MESSENGER_Ego;
35struct GNUNET_MESSENGER_EgoStore;
36
37typedef void
38(*GNUNET_MESSENGER_EgoLookupCallback) (void *cls,
39 const char *identifier,
40 const struct GNUNET_MESSENGER_Ego *ego);
41
42struct GNUNET_MESSENGER_EgoLookup
43{
44 struct GNUNET_MESSENGER_EgoLookup *prev;
45 struct GNUNET_MESSENGER_EgoLookup *next;
46
47 struct GNUNET_IDENTITY_EgoLookup *lookup;
48
49 struct GNUNET_MESSENGER_EgoStore *store;
50
51 GNUNET_MESSENGER_EgoLookupCallback cb;
52 void *cls;
53
54 char *identifier;
55};
56
57struct GNUNET_MESSENGER_EgoOperation
58{
59 struct GNUNET_MESSENGER_EgoOperation *prev;
60 struct GNUNET_MESSENGER_EgoOperation *next;
61
62 struct GNUNET_IDENTITY_Operation *operation;
63
64 struct GNUNET_MESSENGER_EgoStore *store;
65 void *handle;
66
67 char *identifier;
68};
69
70struct GNUNET_MESSENGER_EgoStore
71{
72 const struct GNUNET_CONFIGURATION_Handle *cfg;
73
74 struct GNUNET_IDENTITY_Handle *identity;
75 struct GNUNET_CONTAINER_MultiHashMap *egos;
76
77 struct GNUNET_MESSENGER_EgoLookup *lu_start;
78 struct GNUNET_MESSENGER_EgoLookup *lu_end;
79
80 struct GNUNET_MESSENGER_EgoOperation *op_start;
81 struct GNUNET_MESSENGER_EgoOperation *op_end;
82};
83
84/**
85 * Initializes an EGO-store as fully empty.
86 *
87 * @param[out] store EGO-store
88 * @param[in] config Configuration handle
89 */
90void
91init_ego_store (struct GNUNET_MESSENGER_EgoStore *store,
92 const struct GNUNET_CONFIGURATION_Handle *config);
93
94/**
95 * Clears an EGO-store, wipes its content and deallocates its memory.
96 *
97 * @param[in/out] store EGO-store
98 */
99void
100clear_ego_store (struct GNUNET_MESSENGER_EgoStore *store);
101
102/**
103 * Creates a new EGO which will be registered to a <i>store</i> under
104 * a specific <i>identifier</i>. A given <i>handle</i> will be informed
105 * about the creation and changes its EGO accordingly.
106 *
107 * @param[in/out] store EGO-store
108 * @param[in] identifier Identifier string
109 * @param[in/out] handle Handle or NULL
110 */
111void
112create_store_ego (struct GNUNET_MESSENGER_EgoStore *store,
113 const char *identifier,
114 void *handle);
115
116/**
117 * Lookups an EGO which was registered to a <i>store</i> under
118 * a specific <i>identifier</i>.
119 *
120 * @param[in/out] store EGO-store
121 * @param[in] identifier Identifier string
122 * @param[in] lookup Lookup callback (non-NULL)
123 * @param[in] cls Closure
124 */
125void
126lookup_store_ego (struct GNUNET_MESSENGER_EgoStore *store,
127 const char *identifier,
128 GNUNET_MESSENGER_EgoLookupCallback lookup,
129 void *cls);
130
131/**
132 * Updates the registration of an EGO to a <i>store</i> under
133 * a specific <i>identifier</i> with a new <i>key</i>.
134 *
135 * @param[in/out] store EGO-store
136 * @param[in] identifier Identifier string
137 * @param[in] key Private EGO key
138 * @return Updated EGO
139 */
140struct GNUNET_MESSENGER_Ego*
141update_store_ego (struct GNUNET_MESSENGER_EgoStore *store,
142 const char *identifier,
143 const struct GNUNET_IDENTITY_PrivateKey *key);
144
145/**
146 * Updates the location of a registered EGO in a <i>store</i> to
147 * a different one under a specific <i>new_identifier<i> replacing
148 * its old one.
149 *
150 * @param[in/out] store EGO-store
151 * @param[in] old_identifier Old identifier string
152 * @param[in] new_identifier New identifier string
153 */
154void
155rename_store_ego (struct GNUNET_MESSENGER_EgoStore *store,
156 const char *old_identifier,
157 const char *new_identifier);
158
159#endif //GNUNET_SERVICE_MESSENGER_EGO_STORE_H