2 This file is part of GNUnet.
3 (C) 2009, 2010, 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 core/gnunet-service-core.c
23 * @brief high-level P2P messaging
24 * @author Christian Grothoff
27 #include "gnunet_util_lib.h"
28 #include "gnunet-service-core.h"
29 #include "gnunet-service-core_clients.h"
30 #include "gnunet-service-core_kx.h"
31 #include "gnunet-service-core_neighbours.h"
32 #include "gnunet-service-core_sessions.h"
33 #include "gnunet-service-core_typemap.h"
39 struct GNUNET_PeerIdentity GSC_my_identity;
44 const struct GNUNET_CONFIGURATION_Handle *GSC_cfg;
47 * For creating statistics.
49 struct GNUNET_STATISTICS_Handle *GSC_stats;
52 * Handle to the server of the core service.
54 static struct GNUNET_SERVER_Handle *GSC_server;
57 * Hostkey generation context
59 static struct GNUNET_CRYPTO_EccKeyGenerationContext *keygen;
63 * Last task run during shutdown. Disconnects us from
66 * @param cls NULL, unused
67 * @param tc scheduler context, unused
70 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
72 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Core service shutting down.\n");
75 GNUNET_CRYPTO_ecc_key_create_stop (keygen);
79 GSC_NEIGHBOURS_done ();
83 if (NULL != GSC_stats)
85 GNUNET_STATISTICS_destroy (GSC_stats, GNUNET_NO);
94 * Callback for hostkey read/generation
97 * @param pk the private key
98 * @param emsg error message
101 key_generation_cb (void *cls,
102 struct GNUNET_CRYPTO_EccPrivateKey *pk,
108 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
109 _("Failed to read or generate private key: %s\n"),
111 GNUNET_SCHEDULER_shutdown ();
114 if ((GNUNET_OK != GSC_KX_init (pk)) ||
115 (GNUNET_OK != GSC_NEIGHBOURS_init ()))
117 GNUNET_SCHEDULER_shutdown ();
120 GSC_SESSIONS_init ();
121 GSC_CLIENTS_init (GSC_server);
122 GNUNET_SERVER_resume (GSC_server);
123 GNUNET_log (GNUNET_ERROR_TYPE_INFO, _("Core service of `%4s' ready.\n"),
124 GNUNET_i2s (&GSC_my_identity));
129 * Initiate core service.
132 * @param server the initialized server
133 * @param c configuration to use
136 run (void *cls, struct GNUNET_SERVER_Handle *server,
137 const struct GNUNET_CONFIGURATION_Handle *c)
144 GNUNET_CONFIGURATION_get_value_filename (GSC_cfg, "PEER", "PRIVATE_KEY",
147 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
149 ("Core service is lacking HOSTKEY configuration setting. Exiting.\n"));
150 GNUNET_SCHEDULER_shutdown ();
153 GSC_stats = GNUNET_STATISTICS_create ("core", GSC_cfg);
154 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
156 GNUNET_SERVER_suspend (server);
158 keygen = GNUNET_CRYPTO_ecc_key_create_start (keyfile, &key_generation_cb, NULL);
159 GNUNET_free (keyfile);
162 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
163 _("Transport service is unable to access hostkey. Exiting.\n"));
164 GNUNET_SCHEDULER_shutdown ();
170 * The main function for the transport service.
172 * @param argc number of arguments from the command line
173 * @param argv command line arguments
174 * @return 0 ok, 1 on error
177 main (int argc, char *const *argv)
180 GNUNET_SERVICE_run (argc, argv, "core", GNUNET_SERVICE_OPTION_NONE,
181 &run, NULL)) ? 0 : 1;
184 /* end of gnunet-service-core.c */