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;
46 * We have received a 'ClientStartMessage' from a client. Find out which
47 * type of client it is and notify the respective subsystem.
49 * @param cls closure, unused
50 * @param client handle to the client
51 * @param message the start message
54 handle_ats_start (void *cls, struct GNUNET_SERVER_Client *client,
55 const struct GNUNET_MessageHeader *message)
57 const struct ClientStartMessage *msg =
58 (const struct ClientStartMessage *) message;
60 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "ATS_START");
61 flag = ntohl (msg->start_flag);
64 case START_FLAG_SCHEDULING:
65 if (GNUNET_OK != GAS_scheduling_add_client (client))
67 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
71 case START_FLAG_PERFORMANCE_WITH_PIC:
72 GAS_performance_add_client (client, flag);
74 case START_FLAG_PERFORMANCE_NO_PIC:
75 GAS_performance_add_client (client, flag);
79 GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
82 GNUNET_SERVER_receive_done (client, GNUNET_OK);
87 * A client disconnected from us. Tear down the local client
91 * @param client handle of the client
94 client_disconnect_handler (void *cls, struct GNUNET_SERVER_Client *client)
98 GAS_scheduling_remove_client (client);
99 GAS_performance_remove_client (client);
104 * Task run during shutdown.
110 cleanup_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
112 GAS_addresses_done ();
113 GAS_scheduling_done ();
114 GAS_performance_done ();
115 GAS_reservations_done ();
116 GNUNET_SERVER_disconnect_notify_cancel (GSA_server, &client_disconnect_handler, NULL);
117 if (NULL != GSA_stats)
119 GNUNET_STATISTICS_destroy (GSA_stats, GNUNET_NO);
126 * Process template requests.
129 * @param server the initialized server
130 * @param cfg configuration to use
133 run (void *cls, struct GNUNET_SERVER_Handle *server,
134 const struct GNUNET_CONFIGURATION_Handle *cfg)
136 static const struct GNUNET_SERVER_MessageHandler handlers[] = {
137 {&handle_ats_start, NULL,
138 GNUNET_MESSAGE_TYPE_ATS_START, sizeof (struct ClientStartMessage)},
139 {&GAS_handle_request_address, NULL,
140 GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS,
141 sizeof (struct RequestAddressMessage)},
142 {&GAS_handle_request_address_cancel, NULL,
143 GNUNET_MESSAGE_TYPE_ATS_REQUEST_ADDRESS_CANCEL,
144 sizeof (struct RequestAddressMessage)},
145 {&GAS_handle_request_address_list, NULL,
146 GNUNET_MESSAGE_TYPE_ATS_ADDRESSLIST_REQUEST,
147 sizeof (struct AddressListRequestMessage)},
148 {&GAS_handle_address_add, NULL,
149 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_ADD, 0},
150 {&GAS_handle_address_update, NULL,
151 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_UPDATE, 0},
152 {&GAS_handle_address_in_use, NULL,
153 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_IN_USE, 0},
154 {&GAS_handle_address_destroyed, NULL,
155 GNUNET_MESSAGE_TYPE_ATS_ADDRESS_DESTROYED, 0},
156 {&GAS_handle_reservation_request, NULL,
157 GNUNET_MESSAGE_TYPE_ATS_RESERVATION_REQUEST,
158 sizeof (struct ReservationRequestMessage)},
159 {&GAS_handle_preference_change, NULL,
160 GNUNET_MESSAGE_TYPE_ATS_PREFERENCE_CHANGE, 0},
161 {&GAS_handle_reset_backoff, NULL,
162 GNUNET_MESSAGE_TYPE_ATS_RESET_BACKOFF,
163 sizeof (struct ResetBackoffMessage)},
167 GSA_stats = GNUNET_STATISTICS_create ("ats", cfg);
168 GAS_reservations_init ();
169 GAS_performance_init (server);
170 GAS_scheduling_init (server);
171 GAS_addresses_init (cfg, GSA_stats);
172 GNUNET_SERVER_disconnect_notify (server, &client_disconnect_handler, NULL);
173 GNUNET_SERVER_add_handlers (server, handlers);
174 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &cleanup_task,
180 * The main function for the ats service.
182 * @param argc number of arguments from the command line
183 * @param argv command line arguments
184 * @return 0 ok, 1 on error
187 main (int argc, char *const *argv)
190 GNUNET_SERVICE_run (argc, argv, "ats", GNUNET_SERVICE_OPTION_NONE,
191 &run, NULL)) ? 0 : 1;
194 /* end of gnunet-service-ats.c */