diff options
Diffstat (limited to 'src/messenger/gnunet-service-messenger_list_handles.c')
-rw-r--r-- | src/messenger/gnunet-service-messenger_list_handles.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/messenger/gnunet-service-messenger_list_handles.c b/src/messenger/gnunet-service-messenger_list_handles.c new file mode 100644 index 000000000..16a160dea --- /dev/null +++ b/src/messenger/gnunet-service-messenger_list_handles.c | |||
@@ -0,0 +1,95 @@ | |||
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/gnunet-service-messenger_list_handles.c | ||
23 | * @brief GNUnet MESSENGER service | ||
24 | */ | ||
25 | |||
26 | #include "gnunet-service-messenger_list_handles.h" | ||
27 | |||
28 | #include "gnunet-service-messenger_handle.h" | ||
29 | |||
30 | void | ||
31 | init_list_handles (struct GNUNET_MESSENGER_ListHandles *handles) | ||
32 | { | ||
33 | GNUNET_assert(handles); | ||
34 | |||
35 | handles->head = NULL; | ||
36 | handles->tail = NULL; | ||
37 | } | ||
38 | |||
39 | void | ||
40 | clear_list_handles (struct GNUNET_MESSENGER_ListHandles *handles) | ||
41 | { | ||
42 | GNUNET_assert(handles); | ||
43 | |||
44 | while (handles->head) | ||
45 | { | ||
46 | struct GNUNET_MESSENGER_ListHandle *element = handles->head; | ||
47 | |||
48 | GNUNET_CONTAINER_DLL_remove(handles->head, handles->tail, element); | ||
49 | destroy_handle (element->handle); | ||
50 | GNUNET_free(element); | ||
51 | } | ||
52 | |||
53 | handles->head = NULL; | ||
54 | handles->tail = NULL; | ||
55 | } | ||
56 | |||
57 | void | ||
58 | add_list_handle (struct GNUNET_MESSENGER_ListHandles *handles, void *handle) | ||
59 | { | ||
60 | struct GNUNET_MESSENGER_ListHandle *element = GNUNET_new(struct GNUNET_MESSENGER_ListHandle); | ||
61 | |||
62 | element->handle = handle; | ||
63 | |||
64 | GNUNET_CONTAINER_DLL_insert_tail(handles->head, handles->tail, element); | ||
65 | } | ||
66 | |||
67 | int | ||
68 | remove_list_handle (struct GNUNET_MESSENGER_ListHandles *handles, void *handle) | ||
69 | { | ||
70 | struct GNUNET_MESSENGER_ListHandle *element; | ||
71 | |||
72 | for (element = handles->head; element; element = element->next) | ||
73 | if (element->handle == handle) | ||
74 | break; | ||
75 | |||
76 | if (!element) | ||
77 | return GNUNET_NO; | ||
78 | |||
79 | GNUNET_CONTAINER_DLL_remove(handles->head, handles->tail, element); | ||
80 | GNUNET_free(element); | ||
81 | |||
82 | return GNUNET_YES; | ||
83 | } | ||
84 | |||
85 | void* | ||
86 | find_list_handle_by_member (struct GNUNET_MESSENGER_ListHandles *handles, const struct GNUNET_HashCode *key) | ||
87 | { | ||
88 | struct GNUNET_MESSENGER_ListHandle *element; | ||
89 | |||
90 | for (element = handles->head; element; element = element->next) | ||
91 | if (get_handle_member_id ((struct GNUNET_MESSENGER_SrvHandle*) element->handle, key)) | ||
92 | return element->handle; | ||
93 | |||
94 | return NULL; | ||
95 | } | ||