summaryrefslogtreecommitdiff
path: root/src/messenger/gnunet-service-messenger_list_handles.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/messenger/gnunet-service-messenger_list_handles.c')
-rw-r--r--src/messenger/gnunet-service-messenger_list_handles.c95
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 @@
+/*
+ This file is part of GNUnet.
+ Copyright (C) 2020 GNUnet e.V.
+
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
+
+ GNUnet is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ SPDX-License-Identifier: AGPL3.0-or-later
+ */
+/**
+ * @author Tobias Frisch
+ * @file src/messenger/gnunet-service-messenger_list_handles.c
+ * @brief GNUnet MESSENGER service
+ */
+
+#include "gnunet-service-messenger_list_handles.h"
+
+#include "gnunet-service-messenger_handle.h"
+
+void
+init_list_handles (struct GNUNET_MESSENGER_ListHandles *handles)
+{
+ GNUNET_assert(handles);
+
+ handles->head = NULL;
+ handles->tail = NULL;
+}
+
+void
+clear_list_handles (struct GNUNET_MESSENGER_ListHandles *handles)
+{
+ GNUNET_assert(handles);
+
+ while (handles->head)
+ {
+ struct GNUNET_MESSENGER_ListHandle *element = handles->head;
+
+ GNUNET_CONTAINER_DLL_remove(handles->head, handles->tail, element);
+ destroy_handle (element->handle);
+ GNUNET_free(element);
+ }
+
+ handles->head = NULL;
+ handles->tail = NULL;
+}
+
+void
+add_list_handle (struct GNUNET_MESSENGER_ListHandles *handles, void *handle)
+{
+ struct GNUNET_MESSENGER_ListHandle *element = GNUNET_new(struct GNUNET_MESSENGER_ListHandle);
+
+ element->handle = handle;
+
+ GNUNET_CONTAINER_DLL_insert_tail(handles->head, handles->tail, element);
+}
+
+int
+remove_list_handle (struct GNUNET_MESSENGER_ListHandles *handles, void *handle)
+{
+ struct GNUNET_MESSENGER_ListHandle *element;
+
+ for (element = handles->head; element; element = element->next)
+ if (element->handle == handle)
+ break;
+
+ if (!element)
+ return GNUNET_NO;
+
+ GNUNET_CONTAINER_DLL_remove(handles->head, handles->tail, element);
+ GNUNET_free(element);
+
+ return GNUNET_YES;
+}
+
+void*
+find_list_handle_by_member (struct GNUNET_MESSENGER_ListHandles *handles, const struct GNUNET_HashCode *key)
+{
+ struct GNUNET_MESSENGER_ListHandle *element;
+
+ for (element = handles->head; element; element = element->next)
+ if (get_handle_member_id ((struct GNUNET_MESSENGER_SrvHandle*) element->handle, key))
+ return element->handle;
+
+ return NULL;
+}