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authorChristian Grothoff <christian@grothoff.org>2020-11-14 17:17:42 +0100
committerChristian Grothoff <christian@grothoff.org>2020-11-14 17:17:42 +0100
commitc90b5703c88339f7bdf909b77a45ea93c21792cd (patch)
treefc3397900dc6bdbcdd17cf773f6d60e53abc025a /src/messenger/messenger_api_handle.c
parentf62e24a88c21235bc3c901508cfb474509ef2961 (diff)
parentd36019fe48ff1e4e56754ef3e689bd67445a38f6 (diff)
downloadgnunet-c90b5703c88339f7bdf909b77a45ea93c21792cd.tar.gz
gnunet-c90b5703c88339f7bdf909b77a45ea93c21792cd.zip
Merge branch 'master' of git+ssh://gnunet.org/gnunet
Diffstat (limited to 'src/messenger/messenger_api_handle.c')
-rw-r--r--src/messenger/messenger_api_handle.c213
1 files changed, 213 insertions, 0 deletions
diff --git a/src/messenger/messenger_api_handle.c b/src/messenger/messenger_api_handle.c
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1/*
2 This file is part of GNUnet.
3 Copyright (C) 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 * @author Tobias Frisch
22 * @file src/messenger/messenger_api_handle.c
23 * @brief messenger api: client implementation of GNUnet MESSENGER service
24 */
25
26#include "messenger_api_handle.h"
27
28struct GNUNET_MESSENGER_Handle*
29create_handle (const struct GNUNET_CONFIGURATION_Handle *cfg, GNUNET_MESSENGER_IdentityCallback identity_callback,
30 void *identity_cls, GNUNET_MESSENGER_MessageCallback msg_callback, void *msg_cls)
31{
32 struct GNUNET_MESSENGER_Handle *handle = GNUNET_new(struct GNUNET_MESSENGER_Handle);
33
34 handle->cfg = cfg;
35 handle->mq = NULL;
36
37 handle->identity_callback = identity_callback;
38 handle->identity_cls = identity_cls;
39
40 handle->msg_callback = msg_callback;
41 handle->msg_cls = msg_cls;
42
43 handle->name = NULL;
44 handle->pubkey = NULL;
45
46 handle->reconnect_time = GNUNET_TIME_relative_get_zero_ ();
47 handle->reconnect_task = NULL;
48
49 handle->rooms = GNUNET_CONTAINER_multihashmap_create (8, GNUNET_NO);
50 handle->contacts = GNUNET_CONTAINER_multihashmap_create (8, GNUNET_NO);
51
52 return handle;
53}
54
55static int
56iterate_destroy_room (void *cls, const struct GNUNET_HashCode *key, void *value)
57{
58 struct GNUNET_MESSENGER_Room *room = value;
59
60 destroy_room (room);
61
62 return GNUNET_YES;
63}
64
65static int
66iterate_destroy_contact (void *cls, const struct GNUNET_HashCode *key, void *value)
67{
68 struct GNUNET_MESSENGER_Contact *contact = value;
69
70 destroy_contact (contact);
71
72 return GNUNET_YES;
73}
74
75void
76destroy_handle (struct GNUNET_MESSENGER_Handle *handle)
77{
78 if (handle->reconnect_task)
79 GNUNET_SCHEDULER_cancel (handle->reconnect_task);
80
81 if (handle->mq)
82 GNUNET_MQ_destroy (handle->mq);
83
84 if (handle->name)
85 GNUNET_free(handle->name);
86
87 if (handle->pubkey)
88 GNUNET_free(handle->pubkey);
89
90 if (handle->rooms)
91 {
92 GNUNET_CONTAINER_multihashmap_iterate (handle->rooms, iterate_destroy_room, NULL);
93
94 GNUNET_CONTAINER_multihashmap_destroy (handle->rooms);
95 }
96
97 if (handle->contacts)
98 {
99 GNUNET_CONTAINER_multihashmap_iterate (handle->contacts, iterate_destroy_contact, NULL);
100
101 GNUNET_CONTAINER_multihashmap_destroy (handle->contacts);
102 }
103
104 GNUNET_free(handle->name);
105}
106
107void
108set_handle_name (struct GNUNET_MESSENGER_Handle *handle, const char *name)
109{
110 if (handle->name)
111 GNUNET_free(handle->name);
112
113 handle->name = name? GNUNET_strdup(name) : NULL;
114}
115
116const char*
117get_handle_name (const struct GNUNET_MESSENGER_Handle *handle)
118{
119 return handle->name;
120}
121
122void
123set_handle_key (struct GNUNET_MESSENGER_Handle *handle, const struct GNUNET_IDENTITY_PublicKey *pubkey)
124{
125 if (!handle->pubkey)
126 handle->pubkey = GNUNET_new(struct GNUNET_IDENTITY_PublicKey);
127
128 GNUNET_memcpy(handle->pubkey, pubkey, sizeof(*pubkey));
129}
130
131const struct GNUNET_IDENTITY_PublicKey*
132get_handle_key (const struct GNUNET_MESSENGER_Handle *handle)
133{
134 if (!handle->pubkey)
135 {
136 struct GNUNET_IDENTITY_Ego *anonymous = GNUNET_IDENTITY_ego_get_anonymous ();
137 static struct GNUNET_IDENTITY_PublicKey pubkey;
138
139 GNUNET_IDENTITY_ego_get_public_key (anonymous, &pubkey);
140
141 return &pubkey;
142 }
143
144 return handle->pubkey;
145}
146
147struct GNUNET_MESSENGER_Contact*
148get_handle_contact_by_pubkey (const struct GNUNET_MESSENGER_Handle *handle,
149 const struct GNUNET_IDENTITY_PublicKey *pubkey)
150{
151 struct GNUNET_HashCode hash;
152
153 GNUNET_CRYPTO_hash (pubkey, sizeof(*pubkey), &hash);
154
155 struct GNUNET_MESSENGER_Contact *contact = GNUNET_CONTAINER_multihashmap_get (handle->contacts, &hash);
156
157 if (contact)
158 return contact;
159
160 contact = create_contact (pubkey);
161
162 if (GNUNET_OK == GNUNET_CONTAINER_multihashmap_put (handle->contacts, &hash, contact,
163 GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST))
164 return contact;
165
166 destroy_contact (contact);
167 return NULL;
168}
169
170void
171swap_handle_contact_by_pubkey (struct GNUNET_MESSENGER_Handle *handle, struct GNUNET_MESSENGER_Contact *contact,
172 const struct GNUNET_IDENTITY_PublicKey *pubkey)
173{
174 const struct GNUNET_HashCode *hash = get_contact_id_from_key (contact);
175
176 if (GNUNET_YES == GNUNET_CONTAINER_multihashmap_remove (handle->contacts, hash, contact))
177 {
178 GNUNET_memcpy(&(contact->public_key), pubkey, sizeof(*pubkey));
179
180 hash = get_contact_id_from_key (contact);
181
182 GNUNET_CONTAINER_multihashmap_put (handle->contacts, hash, contact,
183 GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_FAST);
184 }
185}
186
187void
188open_handle_room (struct GNUNET_MESSENGER_Handle *handle, const struct GNUNET_HashCode *key)
189{
190 struct GNUNET_MESSENGER_Room *room = GNUNET_CONTAINER_multihashmap_get (handle->rooms, key);
191
192 if (room)
193 room->opened = GNUNET_YES;
194}
195
196void
197entry_handle_room_at (struct GNUNET_MESSENGER_Handle *handle, const struct GNUNET_PeerIdentity *door,
198 const struct GNUNET_HashCode *key)
199{
200 struct GNUNET_MESSENGER_Room *room = GNUNET_CONTAINER_multihashmap_get (handle->rooms, key);
201
202 if (room)
203 add_to_list_tunnels (&(room->entries), door);
204}
205
206void
207close_handle_room (struct GNUNET_MESSENGER_Handle *handle, const struct GNUNET_HashCode *key)
208{
209 struct GNUNET_MESSENGER_Room *room = GNUNET_CONTAINER_multihashmap_get (handle->rooms, key);
210
211 if ((room) && (GNUNET_YES == GNUNET_CONTAINER_multihashmap_remove (handle->rooms, key, room)))
212 destroy_room (room);
213}