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.
22 * @file ats/gnunet-service-ats.c
24 * @author Matthias Wachs
25 * @author Christian Grothoff
28 #include "gnunet_util_lib.h"
29 #include "gnunet_ats_service.h"
30 #include "gnunet-service-ats.h"
31 #include "gnunet-service-ats_addresses.h"
32 #include "gnunet-service-ats_performance.h"
33 #include "gnunet-service-ats_scheduling.h"
34 #include "gnunet-service-ats_reservations.h"
38 * Handle for statistics.
40 struct GNUNET_STATISTICS_Handle *GSA_stats;
42 static struct GNUNET_SERVER_Handle *GSA_server;
44 struct GAS_Addresses_Handle *GSA_addresses;
47 * We have received a 'ClientStartMessage' from a client. Find out which
48 * type of client it is and notify the respective subsystem.
50 * @param cls closure, unused
51 * @param client handle to the client
52 * @param message the start message
55 handle_ats_start (void *cls, struct GNUNET_SERVER_Client *client,
56 const struct GNUNET_MessageHeader *message)
58 const struct ClientStartMessage *msg =
59 (const struct ClientStartMessage *) message;
61 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "ATS_START");
62 flag = ntohl (msg->start_flag);
65 case START_FLAG_SCHEDULING:
66 if (GNUNET_OK != GAS_scheduling_add_client (client))
68 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
72 case START_FLAG_PERFORMANCE_WITH_PIC:
73 GAS_performance_add_client (client, flag);
75 case START_FLAG_PERFORMANCE_NO_PIC:
76 GAS_performance_add_client (client, flag);
80 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
83 GNUNET_SERVER_receive_done (client, GNUNET_OK);
88 * A client disconnected from us. Tear down the local client
92 * @param client handle of the client
95 client_disconnect_handler (void *cls, struct GNUNET_SERVER_Client *client)
99 GAS_scheduling_remove_client (client);
100 GAS_performance_remove_client (client);
105 * Task run during shutdown.
111 cleanup_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
113 GAS_addresses_done (GSA_addresses);
114 GAS_scheduling_done ();
115 GAS_performance_done ();
116 GAS_reservations_done ();
117 GNUNET_SERVER_disconnect_notify_cancel (GSA_server, &client_disconnect_handler, NULL);
118 if (NULL != GSA_stats)
120 GNUNET_STATISTICS_destroy (GSA_stats, GNUNET_NO);
127 * Process template requests.
130 * @param server the initialized server
131 * @param cfg configuration to use
134 run (void *cls, struct GNUNET_SERVER_Handle *server,
135 const struct GNUNET_CONFIGURATION_Handle *cfg)
137 static const struct GNUNET_SERVER_MessageHandler handlers[] = {
138 {&handle_ats_start, NULL,
139 GNUNET_MESSAGE_TYPE_ATS_START, sizeof (struct ClientStartMessage)},
140 {&GAS_handle_request_address, NULL,
141 GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS,
142 sizeof (struct RequestAddressMessage)},
143 {&GAS_handle_request_address_cancel, NULL,
144 GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS_CANCEL,
145 sizeof (struct RequestAddressMessage)},
146 {&GAS_handle_request_address_list, NULL,
147 GNUNET_MESSAGE_TYPE_ATS_ADDRESSLIST_REQUEST,
148 sizeof (struct AddressListRequestMessage)},
149 {&GAS_handle_address_add, NULL,
150 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_ADD, 0},
151 {&GAS_handle_address_update, NULL,
152 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_UPDATE, 0},
153 {&GAS_handle_address_in_use, NULL,
154 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_IN_USE, 0},
155 {&GAS_handle_address_destroyed, NULL,
156 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_DESTROYED, 0},
157 {&GAS_handle_reservation_request, NULL,
158 GNUNET_MESSAGE_TYPE_ATS_RESERVATION_REQUEST,
159 sizeof (struct ReservationRequestMessage)},
160 {&GAS_handle_preference_change, NULL,
161 GNUNET_MESSAGE_TYPE_ATS_PREFERENCE_CHANGE, 0},
162 {&GAS_handle_preference_feedback, NULL,
163 GNUNET_MESSAGE_TYPE_ATS_PREFERENCE_FEEDBACK, 0},
164 {&GAS_handle_reset_backoff, NULL,
165 GNUNET_MESSAGE_TYPE_ATS_RESET_BACKOFF,
166 sizeof (struct ResetBackoffMessage)},
170 GSA_stats = GNUNET_STATISTICS_create ("ats", cfg);
171 GAS_reservations_init ();
172 GSA_addresses = GAS_addresses_init (cfg, GSA_stats);
173 GAS_performance_init (server, GSA_addresses);
174 GAS_scheduling_init (server, GSA_addresses);
176 GNUNET_SERVER_disconnect_notify (server, &client_disconnect_handler, NULL);
177 GNUNET_SERVER_add_handlers (server, handlers);
178 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &cleanup_task,
184 * The main function for the ats service.
186 * @param argc number of arguments from the command line
187 * @param argv command line arguments
188 * @return 0 ok, 1 on error
191 main (int argc, char *const *argv)
194 GNUNET_SERVICE_run (argc, argv, "ats", GNUNET_SERVICE_OPTION_NONE,
195 &run, NULL)) ? 0 : 1;
198 /* end of gnunet-service-ats.c */