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/>.
19 * @file ats/gnunet-service-ats_preferences.h
20 * @brief manage preferences expressed by clients
21 * @author Matthias Wachs
22 * @author Christian Grothoff
24 #ifndef GNUNET_SERVICE_ATS_PREFERENCES_H
25 #define GNUNET_SERVICE_ATS_PREFERENCES_H
27 #include "gnunet_util_lib.h"
28 #include "gnunet_ats_service.h"
29 #include "gnunet-service-ats.h"
30 #include "gnunet_statistics_service.h"
34 * Default preference value we assume if we know nothing.
36 #define DEFAULT_ABS_PREFERENCE 0.0
39 * Default relative preference value we assume if we know nothing.
41 #define DEFAULT_REL_PREFERENCE 0.0
45 * Handle 'preference change' messages from clients.
47 * @param client the client that sent the request
48 * @param msg the request message
51 GAS_handle_preference_change (struct GNUNET_SERVICE_Client *client,
52 const struct ChangePreferenceMessage *msg);
56 * Initialize preferences subsystem.
59 GAS_preference_init (void);
63 * Shutdown preferences subsystem.
66 GAS_preference_done (void);
70 * Get the normalized preference values for a specific peer.
74 * @return pointer to the values, can be indexed
75 * with `enum GNUNET_ATS_PreferenceKind`, never NULL
78 GAS_preference_get_by_peer (void *cls,
79 const struct GNUNET_PeerIdentity *id);
83 * A performance client disconnected
85 * @param client the disconnecting client
88 GAS_preference_client_disconnect (struct GNUNET_SERVICE_Client *client);