2 This file is part of GNUnet.
3 (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_normalization.h"
32 #include "gnunet-service-ats_performance.h"
33 #include "gnunet-service-ats_preferences.h"
34 #include "gnunet-service-ats_scheduling.h"
35 #include "gnunet-service-ats_reservations.h"
36 #include "gnunet-service-ats_plugins.h"
40 * Handle for statistics.
42 struct GNUNET_STATISTICS_Handle *GSA_stats;
45 * Handle to the ATS server.
47 static struct GNUNET_SERVER_Handle *GSA_server;
51 * We have received a `struct ClientStartMessage` from a client. Find
52 * out which type of client it is and notify the respective subsystem.
54 * @param cls closure, unused
55 * @param client handle to the client
56 * @param message the start message
59 handle_ats_start (void *cls,
60 struct GNUNET_SERVER_Client *client,
61 const struct GNUNET_MessageHeader *message)
63 const struct ClientStartMessage *msg =
64 (const struct ClientStartMessage *) message;
67 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
68 "Received `%s' message\n",
70 flag = ntohl (msg->start_flag);
73 case START_FLAG_SCHEDULING:
74 if (GNUNET_OK != GAS_scheduling_add_client (client))
76 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
80 case START_FLAG_PERFORMANCE_WITH_PIC:
81 GAS_performance_add_client (client, flag);
83 case START_FLAG_PERFORMANCE_NO_PIC:
84 GAS_performance_add_client (client, flag);
86 case START_FLAG_CONNECTION_SUGGESTION:
87 /* This client won't receive messages from us, no need to 'add' */
91 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
94 GNUNET_SERVER_receive_done (client, GNUNET_OK);
99 * A client disconnected from us. Tear down the local client
103 * @param client handle of the client
106 client_disconnect_handler (void *cls,
107 struct GNUNET_SERVER_Client *client)
111 GAS_scheduling_remove_client (client);
112 GAS_performance_remove_client (client);
113 GAS_connectivity_remove_client (client);
114 GAS_normalization_preference_client_disconnect (client);
115 GAS_addresses_preference_client_disconnect (client);
120 * Task run during shutdown.
126 cleanup_task (void *cls,
127 const struct GNUNET_SCHEDULER_TaskContext *tc)
130 GAS_addresses_done ();
131 GAS_normalization_stop ();
132 GAS_scheduling_done ();
133 GAS_connectivity_done ();
134 GAS_performance_done ();
135 GAS_preference_done ();
136 GAS_reservations_done ();
137 GNUNET_SERVER_disconnect_notify_cancel (GSA_server,
138 &client_disconnect_handler,
140 if (NULL != GSA_stats)
142 GNUNET_STATISTICS_destroy (GSA_stats, GNUNET_NO);
149 * Process template requests.
152 * @param server the initialized server
153 * @param cfg configuration to use
157 struct GNUNET_SERVER_Handle *server,
158 const struct GNUNET_CONFIGURATION_Handle *cfg)
160 static const struct GNUNET_SERVER_MessageHandler handlers[] = {
161 {&handle_ats_start, NULL,
162 GNUNET_MESSAGE_TYPE_ATS_START,
163 sizeof (struct ClientStartMessage)},
164 {&GAS_handle_request_address, NULL,
165 GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS,
166 sizeof (struct RequestAddressMessage)},
167 {&GAS_handle_request_address_cancel, NULL,
168 GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS_CANCEL,
169 sizeof (struct RequestAddressMessage)},
170 {&GAS_handle_request_address_list, NULL,
171 GNUNET_MESSAGE_TYPE_ATS_ADDRESSLIST_REQUEST,
172 sizeof (struct AddressListRequestMessage)},
173 {&GAS_handle_address_add, NULL,
174 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_ADD, 0},
175 {&GAS_handle_address_update, NULL,
176 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_UPDATE, 0},
177 {&GAS_handle_address_destroyed, NULL,
178 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_DESTROYED,
179 sizeof (struct AddressDestroyedMessage) },
180 {&GAS_handle_reservation_request, NULL,
181 GNUNET_MESSAGE_TYPE_ATS_RESERVATION_REQUEST,
182 sizeof (struct ReservationRequestMessage)},
183 {&GAS_handle_preference_change, NULL,
184 GNUNET_MESSAGE_TYPE_ATS_PREFERENCE_CHANGE, 0},
185 {&GAS_handle_preference_feedback, NULL,
186 GNUNET_MESSAGE_TYPE_ATS_PREFERENCE_FEEDBACK, 0},
190 GSA_stats = GNUNET_STATISTICS_create ("ats", cfg);
191 GAS_reservations_init ();
192 GAS_normalization_start ();
193 GAS_addresses_init ();
195 GAS_plugins_init (cfg))
198 GAS_addresses_done ();
199 GAS_normalization_stop ();
200 GAS_reservations_done ();
201 if (NULL != GSA_stats)
203 GNUNET_STATISTICS_destroy (GSA_stats, GNUNET_NO);
208 GAS_performance_init (server);
209 GAS_scheduling_init (server);
211 GNUNET_SERVER_disconnect_notify (server,
212 &client_disconnect_handler,
214 GNUNET_SERVER_add_handlers (server, handlers);
215 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
222 * The main function for the ats service.
224 * @param argc number of arguments from the command line
225 * @param argv command line arguments
226 * @return 0 ok, 1 on error
229 main (int argc, char *const *argv)
232 GNUNET_SERVICE_run (argc, argv, "ats",
233 GNUNET_SERVICE_OPTION_NONE,
234 &run, NULL)) ? 0 : 1;
237 /* end of gnunet-service-ats.c */