2 This file is part of GNUnet.
3 (C) 2009 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 namestore/gnunet-service-namestore.c
23 * @brief namestore for the GNUnet naming system
24 * @author Matthias Wachs
27 #include "gnunet_getopt_lib.h"
28 #include "gnunet_service_lib.h"
29 #include "gnunet_namestore_service.h"
30 #include "gnunet_namestore_plugin.h"
31 #include "namestore.h"
34 * Configuration handle.
36 const struct GNUNET_CONFIGURATION_Handle *GSN_cfg;
38 static struct GNUNET_NAMESTORE_PluginFunctions *GSN_database;
40 static char *db_lib_name;
43 * Task run during shutdown.
49 cleanup_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
51 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping namestore service\n");
53 GNUNET_break (NULL == GNUNET_PLUGIN_unload (db_lib_name, GSN_database));
54 GNUNET_free (db_lib_name);
58 * Called whenever a client is disconnected. Frees our
59 * resources associated with that client.
62 * @param client identification of the client
65 client_disconnect_notification (void *cls, struct GNUNET_SERVER_Client *client)
68 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Client %p disconnected \n", client);
71 static void handle_start (void *cls,
72 struct GNUNET_SERVER_Client * client,
73 const struct GNUNET_MessageHeader * message)
75 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Client %p connected\n");
76 GNUNET_SERVER_receive_done (client, GNUNET_OK);
79 static void handle_lookup_name (void *cls,
80 struct GNUNET_SERVER_Client * client,
81 const struct GNUNET_MessageHeader * message)
83 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "NAMESTORE_LOOKUP_NAME");
84 GNUNET_SERVER_receive_done (client, GNUNET_OK);
89 * Process template requests.
92 * @param server the initialized server
93 * @param cfg configuration to use
96 run (void *cls, struct GNUNET_SERVER_Handle *server,
97 const struct GNUNET_CONFIGURATION_Handle *cfg)
101 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting namestore service\n");
103 static const struct GNUNET_SERVER_MessageHandler handlers[] = {
104 {&handle_start, NULL,
105 GNUNET_MESSAGE_TYPE_NAMESTORE_START, sizeof (struct StartMessage)},
106 {&handle_lookup_name, NULL,
107 GNUNET_MESSAGE_TYPE_NAMESTORE_LOOKUP_NAME, 0},
113 /* Loading database plugin */
115 GNUNET_CONFIGURATION_get_value_string (cfg, "namestore", "database",
117 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No database backend configured\n");
119 GNUNET_asprintf (&db_lib_name, "libgnunet_plugin_namestore_%s", database);
120 GSN_database = GNUNET_PLUGIN_load (db_lib_name, (void *) GSN_cfg);
121 if (GSN_database == NULL)
122 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not load database backend `%s'\n",
124 GNUNET_free (database);
126 /* Configuring server handles */
127 GNUNET_SERVER_add_handlers (server, handlers);
128 GNUNET_SERVER_disconnect_notify (server,
129 &client_disconnect_notification,
132 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &cleanup_task,
139 * The main function for the template service.
141 * @param argc number of arguments from the command line
142 * @param argv command line arguments
143 * @return 0 ok, 1 on error
146 main (int argc, char *const *argv)
149 GNUNET_SERVICE_run (argc, argv, "namestore",
150 GNUNET_SERVICE_OPTION_NONE, &run, NULL)) ? 0 : 1;
153 /* end of gnunet-service-namestore.c */