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;
43 * We have received a 'ClientStartMessage' from a client. Find out which
44 * type of client it is and notify the respective subsystem.
46 * @param cls closure, unused
47 * @param client handle to the client
48 * @param message the start message
51 handle_ats_start (void *cls, struct GNUNET_SERVER_Client *client,
52 const struct GNUNET_MessageHeader *message)
54 const struct ClientStartMessage *msg =
55 (const struct ClientStartMessage *) message;
58 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "ATS_START");
59 flag = ntohl (msg->start_flag);
62 case START_FLAG_SCHEDULING:
63 if (GNUNET_OK != GAS_scheduling_add_client (client))
65 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
69 case START_FLAG_PERFORMANCE_WITH_PIC:
70 GAS_performance_add_client (client, flag);
72 case START_FLAG_PERFORMANCE_NO_PIC:
73 GAS_performance_add_client (client, flag);
77 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
80 GNUNET_SERVER_receive_done (client, GNUNET_OK);
85 * A client disconnected from us. Tear down the local client
89 * @param client handle of the client
92 client_disconnect_handler (void *cls, struct GNUNET_SERVER_Client *client)
96 GAS_scheduling_remove_client (client);
97 GAS_performance_remove_client (client);
102 * Task run during shutdown.
108 cleanup_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
110 GAS_addresses_done ();
111 GAS_scheduling_done ();
112 GAS_performance_done ();
113 GAS_reservations_done ();
114 if (NULL != GSA_stats)
116 GNUNET_STATISTICS_destroy (GSA_stats, GNUNET_NO);
123 * Process template requests.
126 * @param server the initialized server
127 * @param cfg configuration to use
130 run (void *cls, struct GNUNET_SERVER_Handle *server,
131 const struct GNUNET_CONFIGURATION_Handle *cfg)
133 static const struct GNUNET_SERVER_MessageHandler handlers[] = {
134 {&handle_ats_start, NULL,
135 GNUNET_MESSAGE_TYPE_ATS_START, sizeof (struct ClientStartMessage)},
136 {&GAS_handle_request_address, NULL,
137 GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS,
138 sizeof (struct RequestAddressMessage)},
139 {&GAS_handle_request_address_cancel, NULL,
140 GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS_CANCEL,
141 sizeof (struct RequestAddressMessage)},
142 {&GAS_handle_address_update, NULL,
143 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_UPDATE, 0},
144 {&GAS_handle_address_in_use, NULL,
145 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_IN_USE, 0},
146 {&GAS_handle_address_destroyed, NULL,
147 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_DESTROYED, 0},
148 {&GAS_handle_reservation_request, NULL,
149 GNUNET_MESSAGE_TYPE_ATS_RESERVATION_REQUEST,
150 sizeof (struct ReservationRequestMessage)},
151 {&GAS_handle_preference_change, NULL,
152 GNUNET_MESSAGE_TYPE_ATS_PREFERENCE_CHANGE, 0},
155 GSA_stats = GNUNET_STATISTICS_create ("ats", cfg);
156 GAS_reservations_init ();
157 GAS_performance_init (server);
158 GAS_scheduling_init (server);
159 GAS_addresses_init (cfg, GSA_stats);
160 GNUNET_SERVER_disconnect_notify (server, &client_disconnect_handler, NULL);
161 GNUNET_SERVER_add_handlers (server, handlers);
162 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &cleanup_task,
168 * The main function for the ats service.
170 * @param argc number of arguments from the command line
171 * @param argv command line arguments
172 * @return 0 ok, 1 on error
175 main (int argc, char *const *argv)
178 GNUNET_SERVICE_run (argc, argv, "ats", GNUNET_SERVICE_OPTION_SOFT_SHUTDOWN,
179 &run, NULL)) ? 0 : 1;
182 /* end of gnunet-service-ats.c */