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Diffstat (limited to 'src/messenger/gnunet-service-messenger_list_messages.c')
-rw-r--r--src/messenger/gnunet-service-messenger_list_messages.c155
1 files changed, 0 insertions, 155 deletions
diff --git a/src/messenger/gnunet-service-messenger_list_messages.c b/src/messenger/gnunet-service-messenger_list_messages.c
deleted file mode 100644
index 7092dc76f..000000000
--- a/src/messenger/gnunet-service-messenger_list_messages.c
+++ /dev/null
@@ -1,155 +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/gnunet-service-messenger_list_messages.c
23 * @brief GNUnet MESSENGER service
24 */
25
26#include "gnunet-service-messenger_list_messages.h"
27
28void
29init_list_messages (struct GNUNET_MESSENGER_ListMessages *messages)
30{
31 GNUNET_assert(messages);
32
33 messages->head = NULL;
34 messages->tail = NULL;
35}
36
37void
38clear_list_messages (struct GNUNET_MESSENGER_ListMessages *messages)
39{
40 GNUNET_assert(messages);
41
42 while (messages->head)
43 {
44 struct GNUNET_MESSENGER_ListMessage *element = messages->head;
45
46 GNUNET_CONTAINER_DLL_remove(messages->head, messages->tail, element);
47 GNUNET_free(element);
48 }
49
50 messages->head = NULL;
51 messages->tail = NULL;
52}
53
54void
55add_to_list_messages (struct GNUNET_MESSENGER_ListMessages *messages,
56 const struct GNUNET_HashCode *hash)
57{
58 GNUNET_assert((messages) && (hash));
59
60 struct GNUNET_MESSENGER_ListMessage *element = GNUNET_new(struct GNUNET_MESSENGER_ListMessage);
61
62 GNUNET_memcpy(&(element->hash), hash, sizeof(struct GNUNET_HashCode));
63
64 GNUNET_CONTAINER_DLL_insert_tail(messages->head, messages->tail, element);
65}
66
67void
68copy_list_messages (struct GNUNET_MESSENGER_ListMessages *messages,
69 const struct GNUNET_MESSENGER_ListMessages *origin)
70{
71 GNUNET_assert((messages) && (origin));
72
73 struct GNUNET_MESSENGER_ListMessage *element;
74
75 for (element = origin->head; element; element = element->next)
76 add_to_list_messages (messages, &(element->hash));
77}
78
79void
80remove_from_list_messages (struct GNUNET_MESSENGER_ListMessages *messages,
81 const struct GNUNET_HashCode *hash)
82{
83 GNUNET_assert((messages) && (hash));
84
85 struct GNUNET_MESSENGER_ListMessage *element;
86
87 for (element = messages->head; element; element = element->next)
88 if (0 == GNUNET_CRYPTO_hash_cmp (&(element->hash), hash))
89 {
90 GNUNET_CONTAINER_DLL_remove(messages->head, messages->tail, element);
91 GNUNET_free(element);
92 break;
93 }
94}
95
96void
97load_list_messages (struct GNUNET_MESSENGER_ListMessages *messages,
98 const char *path)
99{
100 GNUNET_assert((messages) && (path));
101
102 if (GNUNET_YES != GNUNET_DISK_file_test (path))
103 return;
104
105 enum GNUNET_DISK_AccessPermissions permission = (GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
106
107 struct GNUNET_DISK_FileHandle *handle = GNUNET_DISK_file_open(
108 path, GNUNET_DISK_OPEN_READ, permission
109 );
110
111 if (!handle)
112 return;
113
114 GNUNET_DISK_file_seek(handle, 0, GNUNET_DISK_SEEK_SET);
115
116 struct GNUNET_HashCode hash;
117 ssize_t len;
118
119 do {
120 len = GNUNET_DISK_file_read(handle, &hash, sizeof(hash));
121
122 if (len != sizeof(hash))
123 break;
124
125 add_to_list_messages(messages, &hash);
126 } while (len == sizeof(hash));
127
128 GNUNET_DISK_file_close(handle);
129}
130
131void
132save_list_messages (const struct GNUNET_MESSENGER_ListMessages *messages,
133 const char *path)
134{
135 GNUNET_assert((messages) && (path));
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_CREATE | GNUNET_DISK_OPEN_WRITE, permission
141 );
142
143 if (!handle)
144 return;
145
146 GNUNET_DISK_file_seek(handle, 0, GNUNET_DISK_SEEK_SET);
147
148 struct GNUNET_MESSENGER_ListMessage *element;
149
150 for (element = messages->head; element; element = element->next)
151 GNUNET_DISK_file_write(handle, &(element->hash), sizeof(element->hash));
152
153 GNUNET_DISK_file_sync(handle);
154 GNUNET_DISK_file_close(handle);
155}