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/*
This file is part of GNUnet.
(C) 2009, 2010, 2011 Christian Grothoff (and other contributing authors)
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 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.
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.
*/
/**
* @file core/gnunet-service-core_neighbours.h
* @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"
/**
* End the session with the given peer (we are no longer
* connected).
*
* @param pid identity of peer to kill session with
*/
void
GSC_SESSIONS_end (const struct GNUNET_PeerIdentity *pid);
/**
* Traffic is being solicited for the given peer. This means that the
* message queue on the transport-level (NEIGHBOURS subsystem) is now
* empty and it is now OK to transmit another (non-control) message.
*
* @param pid identity of peer ready to receive data
*/
void
GSC_SESSIONS_solicit (const struct GNUNET_PeerIdentity *pid);
/**
* Queue a request from a client for transmission to a particular peer.
*
* @param car request to queue; this handle is then shared between
* the caller (CLIENTS subsystem) and SESSIONS and must not
* be released by either until either 'GNUNET_SESSIONS_dequeue',
* or 'GNUNET_CLIENTS_failed'
* have been invoked on it
*/
void
GSC_SESSIONS_queue_request (struct GSC_ClientActiveRequest *car);
/**
* Dequeue a request from a client from transmission to a particular peer.
*
* @param car request to dequeue; this handle will then be 'owned' by
* the caller (CLIENTS sysbsystem)
*/
void
GSC_SESSIONS_dequeue_request (struct GSC_ClientActiveRequest *car);
/**
* Transmit a message to a particular peer.
*
* @param car original request that was queued and then solicited,
* ownership does not change (dequeue will be called soon).
* @param msg message to transmit
*/
void
GSC_SESSIONS_transmit (struct GSC_ClientActiveRequest *car,
const struct GNUNET_MessageHeader *msg);
/**
* We have a new client, notify it about all current sessions.
*
* @param client the new client
*/
void
GSC_SESSIONS_notify_client_about_sessions (struct GSC_Client *client);
/**
* Initialize sessions subsystem.
*/
void
GSC_SESSIONS_init (void);
/**
* Shutdown sessions subsystem.
*/
void
GSC_SESSIONS_done (void);
#endif
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