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/*
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_message_handle.h
* @brief GNUnet MESSENGER service
*/
#ifndef GNUNET_SERVICE_MESSENGER_MESSAGE_HANDLE_H
#define GNUNET_SERVICE_MESSENGER_MESSAGE_HANDLE_H
#include "platform.h"
#include "gnunet_crypto_lib.h"
#include "gnunet-service-messenger_message_kind.h"
#include "gnunet-service-messenger_tunnel.h"
#include "messenger_api_message.h"
/**
* Handles a received or sent join message to make changes of current member information.
* (add matching member and clear member info)
*
* @param room Room of the message
* @param tunnel Receiving/sending connection (may be NULL)
* @param message JOIN-Message
* @param hash Hash of the message
*/
void
handle_message_join (struct GNUNET_MESSENGER_SrvRoom *room, struct GNUNET_MESSENGER_SrvTunnel *tunnel,
struct GNUNET_MESSENGER_Message *message, const struct GNUNET_HashCode *hash);
/**
* Handles a received or sent leave message to make changes of current member information.
* (remove matching member and clear member info)
*
* @param room Room of the message
* @param tunnel Receiving/sending connection (may be NULL)
* @param message LEAVE-Message
* @param hash Hash of the message
*/
void
handle_message_leave (struct GNUNET_MESSENGER_SrvRoom *room, struct GNUNET_MESSENGER_SrvTunnel *tunnel,
struct GNUNET_MESSENGER_Message *message, const struct GNUNET_HashCode *hash);
/**
* Handles a received or sent name message to rename a current member.
* (change name of matching member)
*
* @param room Room of the message
* @param tunnel Receiving/sending connection (may be NULL)
* @param message NAME-Message
* @param hash Hash of the message
*/
void
handle_message_name (struct GNUNET_MESSENGER_SrvRoom *room, struct GNUNET_MESSENGER_SrvTunnel *tunnel,
struct GNUNET_MESSENGER_Message *message, const struct GNUNET_HashCode *hash);
/**
* Handles a received or sent key message to change the key of a member and rearrange the contacts accordingly.
* (move the member in the contacts and change its key)
*
* @param room Room of the message
* @param tunnel Receiving/sending connection (may be NULL)
* @param message KEY-Message
* @param hash Hash of the message
*/
void
handle_message_key (struct GNUNET_MESSENGER_SrvRoom *room, struct GNUNET_MESSENGER_SrvTunnel *tunnel,
struct GNUNET_MESSENGER_Message *message, const struct GNUNET_HashCode *hash);
/**
* Handles a received or sent peer message to make changes of the basement in the room.
* (add a new peer to the basement and restructure connections based on updated list of peers)
*
* @param room Room of the message
* @param tunnel Receiving/sending connection (may be NULL)
* @param message PEER-Message
* @param hash Hash of the message
*/
void
handle_message_peer (struct GNUNET_MESSENGER_SrvRoom *room, struct GNUNET_MESSENGER_SrvTunnel *tunnel,
struct GNUNET_MESSENGER_Message *message, const struct GNUNET_HashCode *hash);
/**
* Handles a received or sent id message to change a members id.
* (change id of matching member)
*
* @param room Room of the message
* @param tunnel Receiving/sending connection (may be NULL)
* @param message ID-Message
* @param hash Hash of the message
*/
void
handle_message_id (struct GNUNET_MESSENGER_SrvRoom *room, struct GNUNET_MESSENGER_SrvTunnel *tunnel,
struct GNUNET_MESSENGER_Message *message, const struct GNUNET_HashCode *hash);
/**
* Handles a received or sent miss message to drop a peer from the basement in the room.
* (remove a peer from the basement and restructure connections based on updated list of peers)
*
* @param room Room of the message
* @param tunnel Receiving/sending connection (may be NULL)
* @param message MISS-Message
* @param hash Hash of the message
*/
void
handle_message_miss (struct GNUNET_MESSENGER_SrvRoom *room, struct GNUNET_MESSENGER_SrvTunnel *tunnel,
struct GNUNET_MESSENGER_Message *message, const struct GNUNET_HashCode *hash);
#endif //GNUNET_SERVICE_MESSENGER_MESSAGE_HANDLE_H
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