2 This file is part of GNUnet.
3 (C) 2011-2014 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
21 * @file ats/gnunet-service-ats_preferences.h
22 * @brief manage preferences expressed by clients
23 * @author Matthias Wachs
24 * @author Christian Grothoff
26 #ifndef GNUNET_SERVICE_ATS_PREFERENCES_H
27 #define GNUNET_SERVICE_ATS_PREFERENCES_H
29 #include "gnunet_util_lib.h"
30 #include "gnunet_ats_service.h"
31 #include "gnunet-service-ats.h"
32 #include "gnunet_statistics_service.h"
36 #define DEFAULT_ABS_PREFERENCE 0.0
38 #define DEFAULT_REL_PREFERENCE 0.0
42 * Handle 'preference change' messages from clients.
44 * @param cls unused, NULL
45 * @param client client that sent the request
46 * @param message the request message
49 GAS_handle_preference_change (void *cls,
50 struct GNUNET_SERVER_Client *client,
51 const struct GNUNET_MessageHeader *message);
55 * Initialize preferences subsystem.
58 GAS_preference_init (void);
62 * Shutdown preferences subsystem.
65 GAS_preference_done (void);
69 * Normalize an updated preference value
71 * @param client the client with this preference
72 * @param peer the peer to change the preference for
73 * @param kind the kind to change the preference
74 * @param score_abs the normalized score
77 GAS_normalization_normalize_preference (struct GNUNET_SERVER_Client *client,
78 const struct GNUNET_PeerIdentity *peer,
79 enum GNUNET_ATS_PreferenceKind kind,
83 * Get the normalized preference values for a specific peer.
87 * @return pointer to the values, can be indexed
88 * with GNUNET_ATS_PreferenceKind, NULL if peer does not exist
91 GAS_normalization_get_preferences_by_peer (void *cls,
92 const struct GNUNET_PeerIdentity *id);
96 * A performance client disconnected
98 * @param client the disconnecting client
101 GAS_normalization_preference_client_disconnect (struct GNUNET_SERVER_Client *client);