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 it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your 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 Affero General Public License for more details.
16 * @file ats/gnunet-service-ats_preferences.h
17 * @brief manage preferences expressed by clients
18 * @author Matthias Wachs
19 * @author Christian Grothoff
21 #ifndef GNUNET_SERVICE_ATS_PREFERENCES_H
22 #define GNUNET_SERVICE_ATS_PREFERENCES_H
24 #include "gnunet_util_lib.h"
25 #include "gnunet_ats_service.h"
26 #include "gnunet-service-ats.h"
27 #include "gnunet_statistics_service.h"
31 * Default preference value we assume if we know nothing.
33 #define DEFAULT_ABS_PREFERENCE 0.0
36 * Default relative preference value we assume if we know nothing.
38 #define DEFAULT_REL_PREFERENCE 0.0
42 * Handle 'preference change' messages from clients.
44 * @param client the client that sent the request
45 * @param msg the request message
48 GAS_handle_preference_change (struct GNUNET_SERVICE_Client *client,
49 const struct ChangePreferenceMessage *msg);
53 * Initialize preferences subsystem.
56 GAS_preference_init (void);
60 * Shutdown preferences subsystem.
63 GAS_preference_done (void);
67 * Get the normalized preference values for a specific peer.
71 * @return pointer to the values, can be indexed
72 * with `enum GNUNET_ATS_PreferenceKind`, never NULL
75 GAS_preference_get_by_peer (void *cls,
76 const struct GNUNET_PeerIdentity *id);
80 * A performance client disconnected
82 * @param client the disconnecting client
85 GAS_preference_client_disconnect (struct GNUNET_SERVICE_Client *client);