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- /*
- This file is part of GNUnet.
- (C)
- GNUnet is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
- */
- /**
- * @file sensor/gnunet-sensor.c
- * @brief sensor tool
- * @author Omar Tarabai
- */
- #include "platform.h"
- #include "gnunet_util_lib.h"
- #include "gnunet_sensor_service.h"
- static int ret;
- /**
- * option '-a'
- */
- static int get_all;
- /**
- * option '-g'
- */
- static char *get_sensor;
- /**
- * option '-f'
- */
- static char *force_anomaly;
- /*
- * Handle to sensor service
- */
- static struct GNUNET_SENSOR_Handle *sensor_handle;
- /**
- * Run on shutdown
- *
- * @param cls unused
- * @param tc scheduler context
- */
- static void
- shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
- {
- if (NULL != sensor_handle)
- {
- GNUNET_SENSOR_disconnect (sensor_handle);
- sensor_handle = NULL;
- }
- }
- /**
- * Callback for getting sensor info from service
- *
- * @param cls not used
- * @param sensor brief information about sensor (NULL means end of transmission)
- * @param err_msg contains error string if any
- */
- void
- print_sensor_info (void *cls, const struct SensorInfoShort *sensor,
- const char *err_msg)
- {
- if (NULL != err_msg)
- {
- printf ("Error: %s\n", err_msg);
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
- if (NULL == sensor) /* no more sensors from service */
- {
- GNUNET_SCHEDULER_shutdown ();
- return;
- }
- printf ("Name: %s\nVersion: %d.%d\n", sensor->name, sensor->version_major,
- sensor->version_minor);
- if (NULL != sensor->description)
- printf ("Description: %s\n", sensor->description);
- printf ("\n");
- }
- /**
- * Continuation called after a force anomaly request is sent.
- *
- * @param cls Closure (unused)
- * @param emsg Error message, NULL of no error
- */
- void
- force_anomaly_cont (void *cls, const char *emsg)
- {
- if (NULL != emsg)
- printf ("Error: %s\n", emsg);
- GNUNET_SCHEDULER_shutdown ();
- }
- /**
- * Main function that will be run by the scheduler.
- *
- * @param cls closure
- * @param args remaining command-line arguments
- * @param cfgfile name of the configuration file used (for saving, can be NULL!)
- * @param cfg configuration
- */
- static void
- run (void *cls, char *const *args, const char *cfgfile,
- const struct GNUNET_CONFIGURATION_Handle *cfg)
- {
- sensor_handle = NULL;
- GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
- NULL);
- sensor_handle = GNUNET_SENSOR_connect (cfg);
- GNUNET_assert (NULL != sensor_handle);
- if (GNUNET_YES == get_all)
- {
- GNUNET_SENSOR_iterate (sensor_handle, GNUNET_TIME_UNIT_FOREVER_REL, NULL,
- &print_sensor_info, NULL);
- }
- else if (NULL != get_sensor)
- {
- GNUNET_SENSOR_iterate (sensor_handle, GNUNET_TIME_UNIT_FOREVER_REL,
- get_sensor, &print_sensor_info, NULL);
- }
- else if (NULL != force_anomaly)
- {
- GNUNET_SENSOR_force_anomaly (sensor_handle, "nse", GNUNET_YES,
- &force_anomaly_cont, NULL);
- }
- ret = 0;
- }
- /**
- * The main function to sensor.
- *
- * @param argc number of arguments from the command line
- * @param argv command line arguments
- * @return 0 ok, 1 on error
- */
- int
- main (int argc, char *const *argv)
- {
- static const struct GNUNET_GETOPT_CommandLineOption options[] = {
- {'a', "all", NULL,
- gettext_noop ("Retrieve information about all defined sensors"),
- 0, &GNUNET_GETOPT_set_one, &get_all},
- {'g', "get-sensor", NULL,
- gettext_noop ("Retrieve information about a single sensor"),
- 1, &GNUNET_GETOPT_set_string, &get_sensor},
- {'f', "force-anomaly", NULL,
- gettext_noop ("Force an anomaly on a sensor, use only for testing"),
- 1, &GNUNET_GETOPT_set_string, &force_anomaly},
- GNUNET_GETOPT_OPTION_END
- };
- return (GNUNET_OK ==
- GNUNET_PROGRAM_run (argc, argv, "gnunet-sensor [options [value]]",
- gettext_noop ("sensor"), options, &run,
- NULL)) ? ret : 1;
- }
- /* end of gnunet-sensor.c */
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