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;
43 * Handle to sensor service
45 static struct GNUNET_SENSOR_Handle *sensor_handle;
51 * @param tc scheduler context
54 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
56 if (NULL != sensor_handle)
58 GNUNET_SENSOR_disconnect (sensor_handle);
65 * Callback for getting sensor info from service
68 * @param sensor brief information about sensor (NULL means end of transmission)
69 * @param err_msg contains error string if any
72 print_sensor_info (void *cls, const struct SensorInfoShort *sensor,
77 printf ("Error: %s\n", err_msg);
78 GNUNET_SCHEDULER_shutdown ();
81 if (NULL == sensor) /* no more sensors from service */
83 GNUNET_SCHEDULER_shutdown ();
86 printf ("Name: %s\nVersion: %d.%d\n", sensor->name, sensor->version_major,
87 sensor->version_minor);
88 if (NULL != sensor->description)
89 printf ("Description: %s\n", sensor->description);
95 * Main function that will be run by the scheduler.
98 * @param args remaining command-line arguments
99 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
100 * @param cfg configuration
103 run (void *cls, char *const *args, const char *cfgfile,
104 const struct GNUNET_CONFIGURATION_Handle *cfg)
106 sensor_handle = NULL;
107 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
109 sensor_handle = GNUNET_SENSOR_connect (cfg);
110 GNUNET_assert (NULL != sensor_handle);
111 if (GNUNET_YES == get_all)
113 GNUNET_SENSOR_iterate (sensor_handle, GNUNET_TIME_UNIT_FOREVER_REL, NULL,
114 &print_sensor_info, NULL);
116 else if (NULL != get_sensor)
118 GNUNET_SENSOR_iterate (sensor_handle, GNUNET_TIME_UNIT_FOREVER_REL,
119 get_sensor, &print_sensor_info, NULL);
126 * The main function to sensor.
128 * @param argc number of arguments from the command line
129 * @param argv command line arguments
130 * @return 0 ok, 1 on error
133 main (int argc, char *const *argv)
135 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
137 gettext_noop ("Retrieve information about all defined sensors"),
138 0, &GNUNET_GETOPT_set_one, &get_all},
139 {'g', "get-sensor", NULL,
140 gettext_noop ("Retrieve information about a single sensor"),
141 1, &GNUNET_GETOPT_set_string, &get_sensor},
142 GNUNET_GETOPT_OPTION_END
146 GNUNET_PROGRAM_run (argc, argv, "gnunet-sensor [options [value]]",
147 gettext_noop ("sensor"), options, &run,
151 /* end of gnunet-sensor.c */