From 8bf864c25bda97c1448b709a76a168834753ff86 Mon Sep 17 00:00:00 2001 From: TheJackiMonster Date: Thu, 1 Oct 2020 21:13:43 +0200 Subject: adding the messenger service and its client-side library Signed-off-by: TheJackiMonster --- .../gnunet-service-messenger_list_handles.c | 95 ++++++++++++++++++++++ 1 file changed, 95 insertions(+) create mode 100644 src/messenger/gnunet-service-messenger_list_handles.c (limited to 'src/messenger/gnunet-service-messenger_list_handles.c') 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 . + + 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; +} -- cgit v1.2.3