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., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301, 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 flag = ntohl (msg->start_flag);
69 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
70 "Received ATS_START (%d) message\n",
74 case START_FLAG_SCHEDULING:
75 if (GNUNET_OK != GAS_scheduling_add_client (client))
77 GNUNET_SERVER_receive_done (client,
82 case START_FLAG_PERFORMANCE_WITH_PIC:
83 GAS_performance_add_client (client,
86 case START_FLAG_PERFORMANCE_NO_PIC:
87 GAS_performance_add_client (client,
90 case START_FLAG_CONNECTION_SUGGESTION:
91 /* This client won't receive messages from us, no need to 'add' */
95 GNUNET_SERVER_receive_done (client,
99 GNUNET_SERVER_receive_done (client,
105 * A client disconnected from us. Tear down the local client
109 * @param client handle of the client
112 client_disconnect_handler (void *cls,
113 struct GNUNET_SERVER_Client *client)
117 GAS_scheduling_remove_client (client);
118 GAS_connectivity_remove_client (client);
119 GAS_preference_client_disconnect (client);
124 * Task run during shutdown.
130 cleanup_task (void *cls,
131 const struct GNUNET_SCHEDULER_TaskContext *tc)
133 GAS_connectivity_done ();
134 GAS_addresses_done ();
136 GAS_normalization_stop ();
137 GAS_scheduling_done ();
138 GAS_performance_done ();
139 GAS_preference_done ();
140 GAS_reservations_done ();
141 GNUNET_SERVER_disconnect_notify_cancel (GSA_server,
142 &client_disconnect_handler,
144 if (NULL != GSA_stats)
146 GNUNET_STATISTICS_destroy (GSA_stats, GNUNET_NO);
153 * Process template requests.
156 * @param server the initialized server
157 * @param cfg configuration to use
161 struct GNUNET_SERVER_Handle *server,
162 const struct GNUNET_CONFIGURATION_Handle *cfg)
164 static const struct GNUNET_SERVER_MessageHandler handlers[] = {
165 {&handle_ats_start, NULL,
166 GNUNET_MESSAGE_TYPE_ATS_START,
167 sizeof (struct ClientStartMessage)},
168 {&GAS_handle_request_address, NULL,
169 GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS,
170 sizeof (struct RequestAddressMessage)},
171 {&GAS_handle_request_address_cancel, NULL,
172 GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS_CANCEL,
173 sizeof (struct RequestAddressMessage)},
174 {&GAS_handle_request_address_list, NULL,
175 GNUNET_MESSAGE_TYPE_ATS_ADDRESSLIST_REQUEST,
176 sizeof (struct AddressListRequestMessage)},
177 {&GAS_handle_address_add, NULL,
178 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_ADD, 0},
179 {&GAS_handle_address_update, NULL,
180 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_UPDATE,
181 sizeof (struct AddressUpdateMessage) },
182 {&GAS_handle_address_destroyed, NULL,
183 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_DESTROYED,
184 sizeof (struct AddressDestroyedMessage) },
185 {&GAS_handle_reservation_request, NULL,
186 GNUNET_MESSAGE_TYPE_ATS_RESERVATION_REQUEST,
187 sizeof (struct ReservationRequestMessage)},
188 {&GAS_handle_preference_change, NULL,
189 GNUNET_MESSAGE_TYPE_ATS_PREFERENCE_CHANGE, 0},
190 {&GAS_handle_feedback, NULL,
191 GNUNET_MESSAGE_TYPE_ATS_PREFERENCE_FEEDBACK, 0},
195 GSA_stats = GNUNET_STATISTICS_create ("ats", cfg);
196 GAS_reservations_init (server);
197 GAS_connectivity_init ();
198 GAS_preference_init ();
199 GAS_normalization_start ();
200 GAS_addresses_init (server);
202 GAS_plugin_init (cfg))
205 GAS_addresses_done ();
206 GAS_normalization_stop ();
207 GAS_reservations_done ();
208 GAS_connectivity_done ();
209 GAS_preference_done ();
210 if (NULL != GSA_stats)
212 GNUNET_STATISTICS_destroy (GSA_stats, GNUNET_NO);
217 GAS_performance_init (server);
218 GAS_scheduling_init (server);
220 GNUNET_SERVER_disconnect_notify (server,
221 &client_disconnect_handler,
223 GNUNET_SERVER_add_handlers (server, handlers);
224 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
231 * The main function for the ats service.
233 * @param argc number of arguments from the command line
234 * @param argv command line arguments
235 * @return 0 ok, 1 on error
238 main (int argc, char *const *argv)
241 GNUNET_SERVICE_run (argc, argv, "ats",
242 GNUNET_SERVICE_OPTION_NONE,
243 &run, NULL)) ? 0 : 1;
246 /* end of gnunet-service-ats.c */