2 This file is part of GNUnet.
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 sensor/gnunet-sensor.c
24 * @author Omar Tarabai
27 #include "gnunet_util_lib.h"
28 #include "gnunet_sensor_service.h"
40 static char *get_sensor;
45 static char *force_anomaly;
48 * Handle to sensor service
50 static struct GNUNET_SENSOR_Handle *sensor_handle;
56 * @param tc scheduler context
59 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
61 if (NULL != sensor_handle)
63 GNUNET_SENSOR_disconnect (sensor_handle);
70 * Callback for getting sensor info from service
73 * @param sensor brief information about sensor (NULL means end of transmission)
74 * @param err_msg contains error string if any
77 print_sensor_info (void *cls, const struct SensorInfoShort *sensor,
82 printf ("Error: %s\n", err_msg);
83 GNUNET_SCHEDULER_shutdown ();
86 if (NULL == sensor) /* no more sensors from service */
88 GNUNET_SCHEDULER_shutdown ();
91 printf ("Name: %s\nVersion: %d.%d\n", sensor->name, sensor->version_major,
92 sensor->version_minor);
93 if (NULL != sensor->description)
94 printf ("Description: %s\n", sensor->description);
100 * Continuation called after a force anomaly request is sent.
102 * @param cls Closure (unused)
103 * @param emsg Error message, NULL of no error
106 force_anomaly_cont (void *cls, const char *emsg)
109 printf ("Error: %s\n", emsg);
110 GNUNET_SCHEDULER_shutdown ();
115 * Main function that will be run by the scheduler.
118 * @param args remaining command-line arguments
119 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
120 * @param cfg configuration
123 run (void *cls, char *const *args, const char *cfgfile,
124 const struct GNUNET_CONFIGURATION_Handle *cfg)
126 sensor_handle = NULL;
127 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
129 sensor_handle = GNUNET_SENSOR_connect (cfg);
130 GNUNET_assert (NULL != sensor_handle);
131 if (GNUNET_YES == get_all)
133 GNUNET_SENSOR_iterate (sensor_handle, GNUNET_TIME_UNIT_FOREVER_REL, NULL,
134 &print_sensor_info, NULL);
136 else if (NULL != get_sensor)
138 GNUNET_SENSOR_iterate (sensor_handle, GNUNET_TIME_UNIT_FOREVER_REL,
139 get_sensor, &print_sensor_info, NULL);
141 else if (NULL != force_anomaly)
143 GNUNET_SENSOR_force_anomaly (sensor_handle, "nse", GNUNET_YES,
144 &force_anomaly_cont, NULL);
151 * The main function to sensor.
153 * @param argc number of arguments from the command line
154 * @param argv command line arguments
155 * @return 0 ok, 1 on error
158 main (int argc, char *const *argv)
160 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
162 gettext_noop ("Retrieve information about all defined sensors"),
163 0, &GNUNET_GETOPT_set_one, &get_all},
164 {'g', "get-sensor", NULL,
165 gettext_noop ("Retrieve information about a single sensor"),
166 1, &GNUNET_GETOPT_set_string, &get_sensor},
167 {'f', "force anomaly", NULL,
168 gettext_noop ("Force an anomaly on a sensor, use only for testing"),
169 1, &GNUNET_GETOPT_set_string, &force_anomaly},
170 GNUNET_GETOPT_OPTION_END
174 GNUNET_PROGRAM_run (argc, argv, "gnunet-sensor [options [value]]",
175 gettext_noop ("sensor"), options, &run,
179 /* end of gnunet-sensor.c */