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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.c76
1 files changed, 75 insertions, 1 deletions
diff --git a/src/messenger/gnunet-service-messenger_list_messages.c b/src/messenger/gnunet-service-messenger_list_messages.c
index c4f1f7043..bb6086e41 100644
--- a/src/messenger/gnunet-service-messenger_list_messages.c
+++ b/src/messenger/gnunet-service-messenger_list_messages.c
@@ -1,6 +1,6 @@
1/* 1/*
2 This file is part of GNUnet. 2 This file is part of GNUnet.
3 Copyright (C) 2020 GNUnet e.V. 3 Copyright (C) 2020--2021 GNUnet e.V.
4 4
5 GNUnet is free software: you can redistribute it and/or modify it 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 6 under the terms of the GNU Affero General Public License as published
@@ -54,6 +54,8 @@ clear_list_messages (struct GNUNET_MESSENGER_ListMessages *messages)
54void 54void
55add_to_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const struct GNUNET_HashCode *hash) 55add_to_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const struct GNUNET_HashCode *hash)
56{ 56{
57 GNUNET_assert((messages) && (hash));
58
57 struct GNUNET_MESSENGER_ListMessage *element = GNUNET_new(struct GNUNET_MESSENGER_ListMessage); 59 struct GNUNET_MESSENGER_ListMessage *element = GNUNET_new(struct GNUNET_MESSENGER_ListMessage);
58 60
59 GNUNET_memcpy(&(element->hash), hash, sizeof(struct GNUNET_HashCode)); 61 GNUNET_memcpy(&(element->hash), hash, sizeof(struct GNUNET_HashCode));
@@ -62,8 +64,21 @@ add_to_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const stru
62} 64}
63 65
64void 66void
67copy_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const struct GNUNET_MESSENGER_ListMessages *origin)
68{
69 GNUNET_assert((messages) && (origin));
70
71 struct GNUNET_MESSENGER_ListMessage *element;
72
73 for (element = origin->head; element; element = element->next)
74 add_to_list_messages (messages, &(element->hash));
75}
76
77void
65remove_from_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const struct GNUNET_HashCode *hash) 78remove_from_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const struct GNUNET_HashCode *hash)
66{ 79{
80 GNUNET_assert((messages) && (hash));
81
67 struct GNUNET_MESSENGER_ListMessage *element; 82 struct GNUNET_MESSENGER_ListMessage *element;
68 83
69 for (element = messages->head; element; element = element->next) 84 for (element = messages->head; element; element = element->next)
@@ -74,3 +89,62 @@ remove_from_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const
74 break; 89 break;
75 } 90 }
76} 91}
92
93void
94load_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const char *path)
95{
96 GNUNET_assert((messages) && (path));
97
98 if (GNUNET_YES != GNUNET_DISK_file_test (path))
99 return;
100
101 enum GNUNET_DISK_AccessPermissions permission = (GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
102
103 struct GNUNET_DISK_FileHandle *handle = GNUNET_DISK_file_open(
104 path, GNUNET_DISK_OPEN_READ, permission
105 );
106
107 if (!handle)
108 return;
109
110 GNUNET_DISK_file_seek(handle, 0, GNUNET_DISK_SEEK_SET);
111
112 struct GNUNET_HashCode hash;
113 ssize_t len;
114
115 do {
116 len = GNUNET_DISK_file_read(handle, &hash, sizeof(hash));
117
118 if (len != sizeof(hash))
119 break;
120
121 add_to_list_messages(messages, &hash);
122 } while (len == sizeof(hash));
123
124 GNUNET_DISK_file_close(handle);
125}
126
127void
128save_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const char *path)
129{
130 GNUNET_assert((messages) && (path));
131
132 enum GNUNET_DISK_AccessPermissions permission = (GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
133
134 struct GNUNET_DISK_FileHandle *handle = GNUNET_DISK_file_open(
135 path, GNUNET_DISK_OPEN_CREATE | GNUNET_DISK_OPEN_WRITE, permission
136 );
137
138 if (!handle)
139 return;
140
141 GNUNET_DISK_file_seek(handle, 0, GNUNET_DISK_SEEK_SET);
142
143 struct GNUNET_MESSENGER_ListMessage *element;
144
145 for (element = messages->head; element; element = element->next)
146 GNUNET_DISK_file_write(handle, &(element->hash), sizeof(element->hash));
147
148 GNUNET_DISK_file_sync(handle);
149 GNUNET_DISK_file_close(handle);
150}