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,
55 const struct GNUNET_SCHEDULER_TaskContext *tc)
57 if(NULL != sensor_handle)
59 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
71 void print_sensor_info(void *cls,
72 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 printf("Name: %s\nVersion: %d.%d\n",
85 sensor->version_major,
86 sensor->version_minor);
87 if(NULL != sensor->description)
88 printf("Description: %s\n", sensor->description);
93 * Main function that will be run by the scheduler.
96 * @param args remaining command-line arguments
97 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
98 * @param cfg configuration
104 const struct GNUNET_CONFIGURATION_Handle *cfg)
107 sensor_handle = NULL;
108 GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
111 sensor_handle = GNUNET_SENSOR_connect(cfg);
112 GNUNET_assert(NULL != sensor_handle);
113 if(GNUNET_YES == get_all)
115 GNUNET_SENSOR_iterate_sensors(sensor_handle,
116 GNUNET_TIME_UNIT_FOREVER_REL,
122 else if(NULL != get_sensor)
124 GNUNET_SENSOR_iterate_sensors(sensor_handle,
125 GNUNET_TIME_UNIT_FOREVER_REL,
132 GNUNET_SCHEDULER_shutdown();
137 * The main function to sensor.
139 * @param argc number of arguments from the command line
140 * @param argv command line arguments
141 * @return 0 ok, 1 on error
144 main (int argc, char *const *argv)
146 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
148 gettext_noop("Retrieve information about all defined sensors"),
149 0, &GNUNET_GETOPT_set_one, &get_all},
150 {'g', "get-sensor", NULL,
151 gettext_noop("Retrieve information about a single sensor"),
152 1, &GNUNET_GETOPT_set_string, &get_sensor},
153 GNUNET_GETOPT_OPTION_END
156 GNUNET_PROGRAM_run (argc,
158 "gnunet-sensor [options [value]]",
161 options, &run, NULL)) ? ret : 1;
164 /* end of gnunet-sensor.c */