2 This file is part of GNUnet.
3 (C) 2001, 2002, 2004, 2005, 2006, 2007, 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 statistics/gnunet-statistics.c
23 * @brief tool to obtain statistics
24 * @author Christian Grothoff
25 * @author Igor Wronsky
28 #include "gnunet_getopt_lib.h"
29 #include "gnunet_program_lib.h"
30 #include "gnunet_statistics_service.h"
31 #include "statistics.h"
33 #define GET_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
41 * Set to subsystem that we're going to get stats for (or NULL for all).
43 static char *subsystem;
46 * Set to the specific stat value that we are after (or NULL for all).
51 * Make the value that is being set persistent.
53 static int persistent;
56 * Watch value continuously
67 * Callback function to process statistic values.
70 * @param subsystem name of subsystem that created the statistic
71 * @param name the name of the datum
72 * @param value the current value
73 * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
74 * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
77 printer (void *cls, const char *subsystem, const char *name, uint64_t value,
80 if (quiet == GNUNET_NO)
81 FPRINTF (stdout, "%s%-12s %-50s: %16llu\n", is_persistent ? "!" : " ",
82 subsystem, _(name), (unsigned long long) value);
84 FPRINTF (stdout, "%llu\n", (unsigned long long) value);
91 * Function called last by the statistics code.
94 * @param success GNUNET_OK if statistics were
95 * successfully obtained, GNUNET_SYSERR if not.
98 cleanup (void *cls, int success)
100 struct GNUNET_STATISTICS_Handle *h = cls;
102 if (success != GNUNET_OK)
104 FPRINTF (stderr, "%s", _("Failed to obtain statistics.\n"));
109 GNUNET_STATISTICS_destroy (h, GNUNET_NO);
116 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
118 struct GNUNET_STATISTICS_Handle *h = cls;
120 GNUNET_STATISTICS_watch_cancel (h, subsystem, name, &printer, h);
123 GNUNET_STATISTICS_destroy (h, GNUNET_NO);
130 * Main function that will be run by the scheduler.
133 * @param args remaining command-line arguments
134 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
135 * @param cfg configuration
138 run (void *cls, char *const *args, const char *cfgfile,
139 const struct GNUNET_CONFIGURATION_Handle *cfg)
141 struct GNUNET_STATISTICS_Handle *h;
142 unsigned long long val;
146 if ((1 != SSCANF (args[0], "%llu", &val)) || (subsystem == NULL) ||
149 FPRINTF (stderr, _("Invalid argument `%s'\n"), args[0]);
153 h = GNUNET_STATISTICS_create (subsystem, cfg);
159 GNUNET_STATISTICS_set (h, name, (uint64_t) val, persistent);
160 GNUNET_STATISTICS_destroy (h, GNUNET_YES);
164 h = GNUNET_STATISTICS_create ("gnunet-statistics", cfg);
170 if (GNUNET_NO == watch)
173 GNUNET_STATISTICS_get (h, subsystem, name, GET_TIMEOUT, &cleanup,
175 cleanup (h, GNUNET_SYSERR);
179 if ((NULL == subsystem) || (NULL == name))
181 printf (_("No subsystem or name given\n"));
183 GNUNET_STATISTICS_destroy (h, GNUNET_NO);
187 if (GNUNET_OK != GNUNET_STATISTICS_watch (h, subsystem, name, &printer, h))
189 fprintf (stderr, _("Failed to initialize watch routine\n"));
190 GNUNET_SCHEDULER_add_now (&shutdown_task, h);
193 GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task, h);
198 * The main function to obtain statistics in GNUnet.
200 * @param argc number of arguments from the command line
201 * @param argv command line arguments
202 * @return 0 ok, 1 on error
205 main (int argc, char *const *argv)
207 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
208 {'n', "name", "NAME",
209 gettext_noop ("limit output to statistics for the given NAME"), 1,
210 &GNUNET_GETOPT_set_string, &name},
211 {'p', "persistent", NULL,
212 gettext_noop ("make the value being set persistent"), 0,
213 &GNUNET_GETOPT_set_one, &persistent},
214 {'s', "subsystem", "SUBSYSTEM",
215 gettext_noop ("limit output to the given SUBSYSTEM"), 1,
216 &GNUNET_GETOPT_set_string, &subsystem},
218 gettext_noop ("just print the statistics value"), 0,
219 &GNUNET_GETOPT_set_one, &quiet},
221 gettext_noop ("watch value continously"), 0,
222 &GNUNET_GETOPT_set_one, &watch},
223 GNUNET_GETOPT_OPTION_END
226 GNUNET_PROGRAM_run (argc, argv, "gnunet-statistics [options [value]]",
228 ("Print statistics about GNUnet operations."),
229 options, &run, NULL)) ? ret : 1;
232 /* end of gnunet-statistics.c */