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/*
This file is part of GNUnet.
Copyright (C) 2020--2024 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_kind.h
* @brief GNUnet MESSENGER service
*/
#ifndef GNUNET_SERVICE_MESSENGER_MESSAGE_KIND_H
#define GNUNET_SERVICE_MESSENGER_MESSAGE_KIND_H
#include "gnunet_util_lib.h"
#include "gnunet-service-messenger_service.h"
/**
* Creates and allocates a new info message containing the hosts service peer identity and version.
* (all values are stored as copy)
*
* @param[in,out] service Service
* @return New message
*/
struct GNUNET_MESSENGER_Message*
create_message_info (struct GNUNET_MESSENGER_Service *service);
/**
* Creates and allocates a new peer message containing a services peer identity.
* (all values are stored as copy)
*
* @param[in,out] service Service
* @return New message
*/
struct GNUNET_MESSENGER_Message*
create_message_peer (struct GNUNET_MESSENGER_Service *service);
/**
* Creates and allocates a new miss message containing the missing <i>peer</i> identity.
* (all values are stored as copy)
*
* @param[in] peer Missing peer identity
* @return New message
*/
struct GNUNET_MESSENGER_Message*
create_message_miss (const struct GNUNET_PeerIdentity *peer);
/**
* Creates and allocates a new merge message containing the hash of a second <i>previous</i> message
* besides the regular previous message mentioned in a messages header.
* (all values are stored as copy)
*
* @param[in] previous Hash of message
* @return New message
*/
struct GNUNET_MESSENGER_Message*
create_message_merge (const struct GNUNET_HashCode *previous);
/**
* Creates and allocates a new connection message containing the amount of the peer's connections
* in a given <i>room</i> as well as flags from the peer about its connections.
* (all values are stored as copy)
*
* @param[in] room Room
* @return New message
*/
struct GNUNET_MESSENGER_Message*
create_message_connection (const struct GNUNET_MESSENGER_SrvRoom *room);
#endif //GNUNET_SERVICE_MESSENGER_MESSAGE_KIND_H
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