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/*
This file is part of GNUnet.
Copyright (C) 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 ats/gnunet-service-ats_reservations.h
* @brief ats service, inbound bandwidth reservation management
* @author Christian Grothoff
*/
#ifndef GNUNET_SERVICE_ATS_RESERVATIONS_H
#define GNUNET_SERVICE_ATS_RESERVATIONS_H
#include "gnunet_util_lib.h"
/**
* Set the amount of bandwidth the other peer could currently transmit
* to us (as far as we know) to the given value.
*
* @param peer identity of the peer
* @param bandwidth_in currently available bandwidth from that peer to
* this peer (estimate)
*/
void
GAS_reservations_set_bandwidth (const struct GNUNET_PeerIdentity *peer,
struct GNUNET_BANDWIDTH_Value32NBO
bandwidth_in);
/**
* Reserve the given amount of incoming bandwidth (in bytes) from the
* given peer. If a reservation is not possible right now, return how
* long the client should wait before trying again.
*
* @param peer peer to reserve bandwidth from
* @param amount number of bytes to reserve
* @return 0 if the reservation was successful, FOREVER if the
* peer is not connected, otherwise the time to wait
* until the reservation might succeed
*/
struct GNUNET_TIME_Relative
GAS_reservations_reserve (const struct GNUNET_PeerIdentity *peer,
int32_t amount);
/**
* Handle 'reservation request' messages from clients.
*
* @param cls unused, NULL
* @param client client that sent the request
* @param message the request message
*/
void
GAS_handle_reservation_request (void *cls,
struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message);
/**
* Initialize reservations subsystem.
*
* @param server handle to our server
*/
void
GAS_reservations_init (struct GNUNET_SERVER_Handle *server);
/**
* Shutdown reservations subsystem.
*/
void
GAS_reservations_done (void);
#endif
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