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/*
This file is part of GNUnet.
(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_addresses_simplistic.h
* @brief ats simplistic ressource assignment
* @author Matthias Wachs
* @author Christian Grothoff
*/
#include "platform.h"
#include "gnunet_statistics_service.h"
#include "gnunet-service-ats_addresses.h"
/**
* ATS simplistic solver
*
* General description
*/
/**
* Init the simplistic problem solving component
*
* Quotas:
* network[i] contains the network type as type GNUNET_ATS_NetworkType[i]
* out_quota[i] contains outbound quota for network type i
* in_quota[i] contains inbound quota for network type i
*
* Example
* network = {GNUNET_ATS_NET_UNSPECIFIED, GNUNET_ATS_NET_LOOPBACK, GNUNET_ATS_NET_LAN, GNUNET_ATS_NET_WAN, GNUNET_ATS_NET_WLAN}
* network[2] == GNUNET_ATS_NET_LAN
* out_quota[2] == 65353
* in_quota[2] == 65353
*
* @param cfg configuration handle
* @param stats the GNUNET_STATISTICS handle
* @param network array of GNUNET_ATS_NetworkType with length dest_length
* @param out_quota array of outbound quotas
* @param in_quota array of outbound quota
* @param dest_length array length for quota arrays
* @param bw_changed_cb callback for changed bandwidth amounts
* @param bw_changed_cb_cls cls for callback
* @return handle for the solver on success, NULL on fail
*/
void *
GAS_simplistic_init (const struct GNUNET_CONFIGURATION_Handle *cfg,
const struct GNUNET_STATISTICS_Handle *stats,
int *network,
unsigned long long *out_quota,
unsigned long long *in_quota,
int dest_length,
GAS_bandwidth_changed_cb bw_changed_cb,
void *bw_changed_cb_cls);
/**
* Shutdown the simplistic problem solving component
*
* @param solver the respective handle to shutdown
*/
void
GAS_simplistic_done (void * solver);
/**
* Add a single address within a network to the solver
*
* @param solver the solver Handle
* @param addresses the address hashmap containing all addresses
* @param address the address to add
* @param network network type of this address
*/
void
GAS_simplistic_address_add (void *solver,
struct GNUNET_CONTAINER_MultiHashMap *addresses,
struct ATS_Address *address,
uint32_t network);
/**
* Updates a single address in the solve
*
* @param solver the solver Handle
* @param addresses the address hashmap containing all addresses
* @param address the update address
* @param session the new session (if changed otherwise current)
* @param in_use the new address in use state (if changed otherwise current)
* @param atsi the latest ATS information
* @param atsi_count the atsi count
*/
void
GAS_simplistic_address_update (void *solver,
struct GNUNET_CONTAINER_MultiHashMap *addresses,
struct ATS_Address *address,
uint32_t session,
int in_use,
const struct GNUNET_ATS_Information *atsi,
uint32_t atsi_count);
/**
* Remove an address from the solver
*
* @param solver the solver handle
* @param addresses the address hashmap containing all addresses
* @param address the address to remove
* @param session_only delete only session not whole address
*/
void
GAS_simplistic_address_delete (void *solver,
struct GNUNET_CONTAINER_MultiHashMap * addresses,
struct ATS_Address *address, int session_only);
/**
* Stop notifying about address and bandwidth changes for this peer
*
* @param solver the MLP handle
* @param addresses address hashmap
* @param peer the peer
*/
void
GAS_simplistic_stop_get_preferred_address (void *solver,
struct GNUNET_CONTAINER_MultiHashMap *addresses,
const struct GNUNET_PeerIdentity *peer);
/**
* Get the prefered address for a specific peer
*
* @param solver the solver handle
* @param addresses the address hashmap containing all addresses
* @param peer the identity of the peer
*/
const struct ATS_Address *
GAS_simplistic_get_preferred_address (void *solver,
struct GNUNET_CONTAINER_MultiHashMap * addresses,
const struct GNUNET_PeerIdentity *peer);
/**
* Changes the preferences for a peer in the problem
*
* @param solver the solver handle
* @param client the client with this preference
* @param peer the peer to change the preference for
* @param kind the kind to change the preference
* @param score the score
*/
void
GAS_simplistic_address_change_preference (void *solver,
void *client,
const struct GNUNET_PeerIdentity *peer,
enum GNUNET_ATS_PreferenceKind kind,
float score);
/* end of gnunet-service-ats_addresses_simplistic.h */
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