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/*
This file is part of GNUnet.
Copyright (C) 2020--2021 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_message_state.h
* @brief GNUnet MESSENGER service
*/
#ifndef GNUNET_SERVICE_MESSENGER_MESSAGE_STATE_H
#define GNUNET_SERVICE_MESSENGER_MESSAGE_STATE_H
#include "platform.h"
#include "gnunet_crypto_lib.h"
#include "messenger_api_message.h"
#include "gnunet-service-messenger_list_messages.h"
struct GNUNET_MESSENGER_MessageState
{
struct GNUNET_MESSENGER_ListMessages last_messages;
};
void
init_message_state (struct GNUNET_MESSENGER_MessageState *state);
void
clear_message_state (struct GNUNET_MESSENGER_MessageState *state);
void
get_message_state_chain_hash (const struct GNUNET_MESSENGER_MessageState *state,
struct GNUNET_HashCode *hash);
const struct GNUNET_HashCode*
get_message_state_merge_hash (const struct GNUNET_MESSENGER_MessageState *state);
void
update_message_state (struct GNUNET_MESSENGER_MessageState *state, int requested,
const struct GNUNET_MESSENGER_Message *message, const struct GNUNET_HashCode *hash);
void
load_message_state (struct GNUNET_MESSENGER_MessageState *state, const char *path);
void
save_message_state (const struct GNUNET_MESSENGER_MessageState *state, const char *path);
#endif //GNUNET_SERVICE_MESSENGER_MESSAGE_STATE_H
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