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Diffstat (limited to 'src/messenger/messenger_api_list_tunnels.c')
-rw-r--r--src/messenger/messenger_api_list_tunnels.c192
1 files changed, 0 insertions, 192 deletions
diff --git a/src/messenger/messenger_api_list_tunnels.c b/src/messenger/messenger_api_list_tunnels.c
deleted file mode 100644
index 7e77d8f2f..000000000
--- a/src/messenger/messenger_api_list_tunnels.c
+++ /dev/null
@@ -1,192 +0,0 @@
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/messenger_api_list_tunnels.c
23 * @brief messenger api: client and service implementation of GNUnet MESSENGER service
24 */
25
26#include "messenger_api_list_tunnels.h"
27
28void
29init_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels)
30{
31 GNUNET_assert(tunnels);
32
33 tunnels->head = NULL;
34 tunnels->tail = NULL;
35}
36
37void
38clear_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels)
39{
40 GNUNET_assert(tunnels);
41
42 struct GNUNET_MESSENGER_ListTunnel *element;
43
44 for (element = tunnels->head; element; element = tunnels->head)
45 {
46 GNUNET_CONTAINER_DLL_remove(tunnels->head, tunnels->tail, element);
47 GNUNET_PEER_change_rc (element->peer, -1);
48 GNUNET_free(element);
49 }
50
51 tunnels->head = NULL;
52 tunnels->tail = NULL;
53}
54
55static int
56compare_list_tunnels (void *cls,
57 struct GNUNET_MESSENGER_ListTunnel *element0,
58 struct GNUNET_MESSENGER_ListTunnel *element1)
59{
60 return ((int) element0->peer) - ((int) element1->peer);
61}
62
63void
64add_to_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels,
65 const struct GNUNET_PeerIdentity *peer)
66{
67 GNUNET_assert((tunnels) && (peer));
68
69 struct GNUNET_MESSENGER_ListTunnel *element = GNUNET_new(struct GNUNET_MESSENGER_ListTunnel);
70
71 element->peer = GNUNET_PEER_intern (peer);
72
73 GNUNET_CONTAINER_DLL_insert_sorted(struct GNUNET_MESSENGER_ListTunnel, compare_list_tunnels, NULL, tunnels->head,
74 tunnels->tail, element);
75}
76
77struct GNUNET_MESSENGER_ListTunnel*
78find_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels,
79 const struct GNUNET_PeerIdentity *peer,
80 size_t *index)
81{
82 GNUNET_assert((tunnels) && (peer));
83
84 struct GNUNET_MESSENGER_ListTunnel *element;
85 struct GNUNET_PeerIdentity pid;
86
87 if (index)
88 *index = 0;
89
90 for (element = tunnels->head; element; element = element->next)
91 {
92 GNUNET_PEER_resolve (element->peer, &pid);
93
94 if (0 == GNUNET_memcmp(&pid, peer))
95 return element;
96
97 if (index)
98 (*index) = (*index) + 1;
99 }
100
101 return NULL;
102}
103
104int
105contains_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels,
106 const struct GNUNET_PeerIdentity *peer)
107{
108 GNUNET_assert((tunnels) && (peer));
109
110 return find_list_tunnels (tunnels, peer, NULL) != NULL ? GNUNET_YES : GNUNET_NO;
111}
112
113struct GNUNET_MESSENGER_ListTunnel*
114remove_from_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels,
115 struct GNUNET_MESSENGER_ListTunnel *element)
116{
117 GNUNET_assert((tunnels) && (element));
118
119 struct GNUNET_MESSENGER_ListTunnel *next = element->next;
120
121 GNUNET_CONTAINER_DLL_remove(tunnels->head, tunnels->tail, element);
122 GNUNET_PEER_change_rc (element->peer, -1);
123 GNUNET_free(element);
124
125 return next;
126}
127
128void
129load_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels,
130 const char *path)
131{
132 GNUNET_assert((tunnels) && (path));
133
134 if (GNUNET_YES != GNUNET_DISK_file_test (path))
135 return;
136
137 enum GNUNET_DISK_AccessPermissions permission = (GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
138
139 struct GNUNET_DISK_FileHandle *handle = GNUNET_DISK_file_open(
140 path, GNUNET_DISK_OPEN_READ, permission
141 );
142
143 if (!handle)
144 return;
145
146 GNUNET_DISK_file_seek(handle, 0, GNUNET_DISK_SEEK_SET);
147
148 struct GNUNET_PeerIdentity peer;
149 ssize_t len;
150
151 do {
152 len = GNUNET_DISK_file_read(handle, &peer, sizeof(peer));
153
154 if (len != sizeof(peer))
155 break;
156
157 add_to_list_tunnels(tunnels, &peer);
158 } while (len == sizeof(peer));
159
160 GNUNET_DISK_file_close(handle);
161}
162
163void
164save_list_tunnels (struct GNUNET_MESSENGER_ListTunnels *tunnels,
165 const char *path)
166{
167 GNUNET_assert((tunnels) && (path));
168
169 enum GNUNET_DISK_AccessPermissions permission = (GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
170
171 struct GNUNET_DISK_FileHandle *handle = GNUNET_DISK_file_open(
172 path, GNUNET_DISK_OPEN_CREATE | GNUNET_DISK_OPEN_WRITE, permission
173 );
174
175 if (!handle)
176 return;
177
178 GNUNET_DISK_file_seek(handle, 0, GNUNET_DISK_SEEK_SET);
179
180 struct GNUNET_MESSENGER_ListTunnel *element;
181 struct GNUNET_PeerIdentity pid;
182
183 for (element = tunnels->head; element; element = element->next)
184 {
185 GNUNET_PEER_resolve (element->peer, &pid);
186
187 GNUNET_DISK_file_write(handle, &pid, sizeof(pid));
188 }
189
190 GNUNET_DISK_file_sync(handle);
191 GNUNET_DISK_file_close(handle);
192}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-23 16:56:05 +0000