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Diffstat (limited to 'src/messenger/gnunet-service-messenger_list_messages.h')
-rw-r--r-- | src/messenger/gnunet-service-messenger_list_messages.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/messenger/gnunet-service-messenger_list_messages.h b/src/messenger/gnunet-service-messenger_list_messages.h new file mode 100644 index 000000000..266c30ec6 --- /dev/null +++ b/src/messenger/gnunet-service-messenger_list_messages.h @@ -0,0 +1,81 @@ +/* + 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_messages.h + * @brief GNUnet MESSENGER service + */ + +#ifndef GNUNET_SERVICE_MESSENGER_LIST_MESSAGES_H +#define GNUNET_SERVICE_MESSENGER_LIST_MESSAGES_H + +#include "platform.h" +#include "gnunet_crypto_lib.h" +#include "gnunet_container_lib.h" + +struct GNUNET_MESSENGER_ListMessage +{ + struct GNUNET_MESSENGER_ListMessage *prev; + struct GNUNET_MESSENGER_ListMessage *next; + + struct GNUNET_HashCode hash; +}; + +struct GNUNET_MESSENGER_ListMessages +{ + struct GNUNET_MESSENGER_ListMessage *head; + struct GNUNET_MESSENGER_ListMessage *tail; +}; + +/** + * Initializes list of message hashes as empty list. + * + * @param messages List of hashes + */ +void +init_list_messages (struct GNUNET_MESSENGER_ListMessages *messages); + +/** + * Clears the list of message hashes. + * + * @param messages List of hashes + */ +void +clear_list_messages (struct GNUNET_MESSENGER_ListMessages *messages); + +/** + * Adds a specific <i>hash</i> from a message to the end of the list. + * + * @param messages List of hashes + * @param hash Hash of message + */ +void +add_to_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const struct GNUNET_HashCode *hash); + +/** + * Removes the first entry with a matching <i>hash</i> from the list. + * + * @param messages List of hashes + * @param hash Hash of message + */ +void +remove_from_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const struct GNUNET_HashCode *hash); + +#endif //GNUNET_SERVICE_MESSENGER_LIST_MESSAGES_H |