2 This file is part of GNUnet.
3 Copyright (C) 2011-2014 GNUnet e.V.
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., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301, 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 * Default preference value we assume if we know nothing.
38 #define DEFAULT_ABS_PREFERENCE 0.0
41 * Default relative preference value we assume if we know nothing.
43 #define DEFAULT_REL_PREFERENCE 0.0
47 * Handle 'preference change' messages from clients.
49 * @param cls unused, NULL
50 * @param client client that sent the request
51 * @param message the request message
54 GAS_handle_preference_change (void *cls,
55 struct GNUNET_SERVER_Client *client,
56 const struct GNUNET_MessageHeader *message);
60 * Initialize preferences subsystem.
63 GAS_preference_init (void);
67 * Shutdown preferences subsystem.
70 GAS_preference_done (void);
74 * Get the normalized preference values for a specific peer.
78 * @return pointer to the values, can be indexed
79 * with `enum GNUNET_ATS_PreferenceKind`, never NULL
82 GAS_preference_get_by_peer (void *cls,
83 const struct GNUNET_PeerIdentity *id);
87 * A performance client disconnected
89 * @param client the disconnecting client
92 GAS_preference_client_disconnect (struct GNUNET_SERVER_Client *client);