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.
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 SPDX-License-Identifier: AGPL3.0-or-later
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 client the client that sent the request
50 * @param msg the request message
53 GAS_handle_preference_change (struct GNUNET_SERVICE_Client *client,
54 const struct ChangePreferenceMessage *msg);
58 * Initialize preferences subsystem.
61 GAS_preference_init (void);
65 * Shutdown preferences subsystem.
68 GAS_preference_done (void);
72 * Get the normalized preference values for a specific peer.
76 * @return pointer to the values, can be indexed
77 * with `enum GNUNET_ATS_PreferenceKind`, never NULL
80 GAS_preference_get_by_peer (void *cls,
81 const struct GNUNET_PeerIdentity *id);
85 * A performance client disconnected
87 * @param client the disconnecting client
90 GAS_preference_client_disconnect (struct GNUNET_SERVICE_Client *client);