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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