2 This file is part of GNUnet.
3 (C) 2009 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.
22 * @file hostlist/hostlist-client.h
23 * @brief hostlist support. Downloads HELLOs via HTTP.
24 * @author Christian Grothoff
27 #ifndef HOSTLIST_CLIENT_H
28 #define HOSTLIST_CLIENT_H
30 #include "gnunet_core_service.h"
31 #include "gnunet_statistics_service.h"
32 #include "gnunet_util_lib.h"
33 #include "gnunet_time_lib.h"
36 * Maximum number of hostlist that are saved
38 #define MAX_NUMBER_HOSTLISTS 30
41 * Time intervall hostlists are saved to disk
43 #define SAVING_INTERVALL GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 30)
46 * Time interval between two hostlist tests
48 #define TESTING_INTERVALL GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 3)
51 * Time interval for download dispatcher before a download is re-scheduled
53 #define WAITING_INTERVALL GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
56 * Defines concerning the hostlist quality metric
60 * Initial quality of a new created hostlist
62 #define HOSTLIST_INITIAL 10000
65 * Value subtracted each time a hostlist download fails
67 #define HOSTLIST_FAILED_DOWNLOAD 100
70 * Value added each time a hostlist download is successful
72 #define HOSTLIST_SUCCESSFUL_DOWNLOAD 100
75 * Value added for each valid HELLO recived during a hostlist download
77 #define HOSTLIST_SUCCESSFUL_HELLO 1
82 * Start downloading hostlists from hostlist servers as necessary.
84 * @param c the configuration to use
85 * @param st hande for publishing statistics
86 * @param ch set to handler for connect notifications
87 * @param dh set to handler for disconnect notifications
88 * @param msgh set to handler for message handler notifications
89 * @param learn set if client is learning new hostlists
90 * @return GNUNET_OK on success
93 GNUNET_HOSTLIST_client_start (const struct GNUNET_CONFIGURATION_Handle *c,
94 struct GNUNET_STATISTICS_Handle *st,
95 GNUNET_CORE_ConnectEventHandler *ch,
96 GNUNET_CORE_DisconnectEventHandler *dh,
97 GNUNET_CORE_MessageCallback *msgh, int learn);
101 * Stop downloading hostlists from hostlist servers as necessary.
104 GNUNET_HOSTLIST_client_stop (void);
108 /* end of hostlist-client.h */