/*
This file is part of GNUnet.
- (C) 2009, 2010, 2011 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2009-2014 GNUnet e.V.
- GNUnet is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
+ 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
- General Public License for more details.
+ 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/>.
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
* @file core/gnunet-service-core_neighbours.h
- * @brief code for managing of 'encrypted' sessions (key exchange done)
+ * @brief code for managing of 'encrypted' sessions (key exchange done)
* @author Christian Grothoff
*/
#ifndef GNUNET_SERVICE_CORE_SESSIONS_H
#define GNUNET_SERVICE_CORE_SESSIONS_H
-#include "gnunet_service_core_kx.h"
-#include "gnunet_service_core_sessions.h"
+#include "gnunet-service-core.h"
+#include "gnunet-service-core_kx.h"
+
+
+/**
+ * Create a session, a key exchange was just completed.
+ *
+ * @param peer peer that is now connected
+ * @param kx key exchange that completed
+ */
+void
+GSC_SESSIONS_create (const struct GNUNET_PeerIdentity *peer,
+ struct GSC_KeyExchangeInfo *kx);
+
+
+/**
+ * The other peer has indicated that it 'lost' the session
+ * (KX down), reinitialize the session on our end, in particular
+ * this means to restart the typemap transmission.
+ *
+ * @param peer peer that is now connected
+ */
+void
+GSC_SESSIONS_reinit (const struct GNUNET_PeerIdentity *peer);
+
+
+/**
+ * The other peer has confirmed receiving our type map,
+ * check if it is current and if so, stop retransmitting it.
+ *
+ * @param peer peer that confirmed the type map
+ * @param msg confirmation message we received
+ */
+void
+GSC_SESSIONS_confirm_typemap (const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_MessageHeader *msg);
/**
* End the session with the given peer (we are no longer
- * connected).
+ * connected).
*
* @param pid identity of peer to kill session with
*/
* @param car original request that was queued and then solicited,
* ownership does not change (dequeue will be called soon).
* @param msg message to transmit
+ * @param cork is corking allowed?
+ * @param priority how important is this message
*/
void
GSC_SESSIONS_transmit (struct GSC_ClientActiveRequest *car,
- const struct GNUNET_MessageHeader *msg);
+ const struct GNUNET_MessageHeader *msg,
+ int cork,
+ enum GNUNET_CORE_Priority priority);
/**
- * Broadcast a message to all neighbours.
+ * Broadcast an updated typemap message to all neighbours.
+ * Restarts the retransmissions until the typemaps are confirmed.
*
* @param msg message to transmit
*/
void
-GSC_SESSIONS_broadcast (const struct GNUNET_MessageHeader *msg);
+GSC_SESSIONS_broadcast_typemap (const struct GNUNET_MessageHeader *msg);
/**
/**
- * Handle CORE_ITERATE_PEERS request. For this request type, the client
- * does not have to have transmitted an INIT request. All current peers
- * are returned, regardless of which message types they accept.
- *
- * @param cls unused
- * @param client client sending the iteration request
- * @param message iteration request message
- */
-void
-GSC_SESSIONS_handle_client_iterate_peers (void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message);
-
-
-/**
- * Handle CORE_PEER_CONNECTED request. Notify client about connection
- * to the given neighbour. For this request type, the client does not
- * have to have transmitted an INIT request. All current peers are
- * returned, regardless of which message types they accept.
+ * We've received a typemap message from a peer, update ours.
+ * Notifies clients about the session.
*
- * @param cls unused
- * @param client client sending the iteration request
- * @param message iteration request message
+ * @param peer peer this is about
+ * @param msg typemap update message
*/
void
-GSC_SESSIONS_handle_client_have_peer (void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message);
+GSC_SESSIONS_set_typemap (const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_MessageHeader *msg);
/**
- * Handle REQUEST_INFO request. For this request type, the client must have
- * transmitted an INIT first.
+ * The given peer send a message of the specified type. Make sure the
+ * respective bit is set in its type-map and that clients are notified
+ * about the session.
*
- * @param cls unused
- * @param client client sending the request
- * @param message iteration request message
+ * @param peer peer this is about
+ * @param type type of the message
*/
void
-GSC_SESSIONS_handle_client_request_info (void *cls, struct GNUNET_SERVER_Client *client,
- const struct GNUNET_MessageHeader *message);
+GSC_SESSIONS_add_to_typemap (const struct GNUNET_PeerIdentity *peer,
+ uint16_t type);
/**