2 This file is part of GNUnet.
3 Copyright (C) 2011 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.
21 * @file ats/gnunet-service-ats.c
23 * @author Matthias Wachs
24 * @author Christian Grothoff
27 #include "gnunet_util_lib.h"
28 #include "gnunet-service-ats.h"
29 #include "gnunet-service-ats_addresses.h"
30 #include "gnunet-service-ats_connectivity.h"
31 #include "gnunet-service-ats_feedback.h"
32 #include "gnunet-service-ats_normalization.h"
33 #include "gnunet-service-ats_performance.h"
34 #include "gnunet-service-ats_preferences.h"
35 #include "gnunet-service-ats_scheduling.h"
36 #include "gnunet-service-ats_reservations.h"
37 #include "gnunet-service-ats_plugins.h"
41 * Handle for statistics.
43 struct GNUNET_STATISTICS_Handle *GSA_stats;
46 * Handle to the ATS server.
48 static struct GNUNET_SERVER_Handle *GSA_server;
52 * We have received a `struct ClientStartMessage` from a client. Find
53 * out which type of client it is and notify the respective subsystem.
55 * @param cls closure, unused
56 * @param client handle to the client
57 * @param message the start message
60 handle_ats_start (void *cls,
61 struct GNUNET_SERVER_Client *client,
62 const struct GNUNET_MessageHeader *message)
64 const struct ClientStartMessage *msg =
65 (const struct ClientStartMessage *) message;
68 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
69 "Received `%s' message\n",
71 flag = ntohl (msg->start_flag);
74 case START_FLAG_SCHEDULING:
75 if (GNUNET_OK != GAS_scheduling_add_client (client))
77 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
81 case START_FLAG_PERFORMANCE_WITH_PIC:
82 GAS_performance_add_client (client, flag);
84 case START_FLAG_PERFORMANCE_NO_PIC:
85 GAS_performance_add_client (client, flag);
87 case START_FLAG_CONNECTION_SUGGESTION:
88 /* This client won't receive messages from us, no need to 'add' */
92 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
95 GNUNET_SERVER_receive_done (client, GNUNET_OK);
100 * A client disconnected from us. Tear down the local client
104 * @param client handle of the client
107 client_disconnect_handler (void *cls,
108 struct GNUNET_SERVER_Client *client)
112 GAS_scheduling_remove_client (client);
113 GAS_connectivity_remove_client (client);
114 GAS_normalization_preference_client_disconnect (client);
119 * Task run during shutdown.
125 cleanup_task (void *cls,
126 const struct GNUNET_SCHEDULER_TaskContext *tc)
128 GAS_addresses_done ();
129 GAS_connectivity_done ();
131 GAS_normalization_stop ();
132 GAS_scheduling_done ();
133 GAS_performance_done ();
134 GAS_preference_done ();
135 GAS_reservations_done ();
136 GNUNET_SERVER_disconnect_notify_cancel (GSA_server,
137 &client_disconnect_handler,
139 if (NULL != GSA_stats)
141 GNUNET_STATISTICS_destroy (GSA_stats, GNUNET_NO);
148 * Process template requests.
151 * @param server the initialized server
152 * @param cfg configuration to use
156 struct GNUNET_SERVER_Handle *server,
157 const struct GNUNET_CONFIGURATION_Handle *cfg)
159 static const struct GNUNET_SERVER_MessageHandler handlers[] = {
160 {&handle_ats_start, NULL,
161 GNUNET_MESSAGE_TYPE_ATS_START,
162 sizeof (struct ClientStartMessage)},
163 {&GAS_handle_request_address, NULL,
164 GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS,
165 sizeof (struct RequestAddressMessage)},
166 {&GAS_handle_request_address_cancel, NULL,
167 GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS_CANCEL,
168 sizeof (struct RequestAddressMessage)},
169 {&GAS_handle_request_address_list, NULL,
170 GNUNET_MESSAGE_TYPE_ATS_ADDRESSLIST_REQUEST,
171 sizeof (struct AddressListRequestMessage)},
172 {&GAS_handle_address_add, NULL,
173 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_ADD, 0},
174 {&GAS_handle_address_update, NULL,
175 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_UPDATE, 0},
176 {&GAS_handle_address_destroyed, NULL,
177 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_DESTROYED,
178 sizeof (struct AddressDestroyedMessage) },
179 {&GAS_handle_reservation_request, NULL,
180 GNUNET_MESSAGE_TYPE_ATS_RESERVATION_REQUEST,
181 sizeof (struct ReservationRequestMessage)},
182 {&GAS_handle_preference_change, NULL,
183 GNUNET_MESSAGE_TYPE_ATS_PREFERENCE_CHANGE, 0},
184 {&GAS_handle_preference_feedback, NULL,
185 GNUNET_MESSAGE_TYPE_ATS_PREFERENCE_FEEDBACK, 0},
189 GSA_stats = GNUNET_STATISTICS_create ("ats", cfg);
190 GAS_reservations_init (server);
191 GAS_connectivity_init ();
192 GAS_preference_init ();
193 GAS_normalization_start ();
194 GAS_addresses_init (server);
196 GAS_plugins_init (cfg))
199 GAS_addresses_done ();
200 GAS_normalization_stop ();
201 GAS_reservations_done ();
202 GAS_connectivity_done ();
203 GAS_preference_done ();
204 if (NULL != GSA_stats)
206 GNUNET_STATISTICS_destroy (GSA_stats, GNUNET_NO);
211 GAS_performance_init (server);
212 GAS_scheduling_init (server);
214 GNUNET_SERVER_disconnect_notify (server,
215 &client_disconnect_handler,
217 GNUNET_SERVER_add_handlers (server, handlers);
218 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
225 * The main function for the ats service.
227 * @param argc number of arguments from the command line
228 * @param argv command line arguments
229 * @return 0 ok, 1 on error
232 main (int argc, char *const *argv)
235 GNUNET_SERVICE_run (argc, argv, "ats",
236 GNUNET_SERVICE_OPTION_NONE,
237 &run, NULL)) ? 0 : 1;
240 /* end of gnunet-service-ats.c */