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
66 * Callback function to process statistic values.
69 * @param subsystem name of subsystem that created the statistic
70 * @param name the name of the datum
71 * @param value the current value
72 * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
73 * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
76 printer (void *cls, const char *subsystem, const char *name, uint64_t value,
79 if (quiet == GNUNET_NO)
80 FPRINTF (stdout, "%s%-12s %-50s: %16llu\n", is_persistent ? "!" : " ",
81 subsystem, _(name), (unsigned long long) value);
83 FPRINTF (stdout, "%llu\n", (unsigned long long) value);
90 * Function called last by the statistics code.
93 * @param success GNUNET_OK if statistics were
94 * successfully obtained, GNUNET_SYSERR if not.
97 cleanup (void *cls, int success)
99 struct GNUNET_STATISTICS_Handle *h = cls;
101 if (success != GNUNET_OK)
103 FPRINTF (stderr, "%s", _("Failed to obtain statistics.\n"));
107 GNUNET_STATISTICS_destroy (h, GNUNET_NO);
110 shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
112 struct GNUNET_STATISTICS_Handle *h = cls;
113 GNUNET_STATISTICS_watch_cancel (h, subsystem, name, &printer, h);
115 GNUNET_STATISTICS_destroy (h, GNUNET_NO);
119 * Main function that will be run by the scheduler.
122 * @param args remaining command-line arguments
123 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
124 * @param cfg configuration
127 run (void *cls, char *const *args, const char *cfgfile,
128 const struct GNUNET_CONFIGURATION_Handle *cfg)
130 struct GNUNET_STATISTICS_Handle *h;
131 unsigned long long val;
135 if ((1 != SSCANF (args[0], "%llu", &val)) || (subsystem == NULL) ||
138 FPRINTF (stderr, _("Invalid argument `%s'\n"), args[0]);
142 h = GNUNET_STATISTICS_create (subsystem, cfg);
148 GNUNET_STATISTICS_set (h, name, (uint64_t) val, persistent);
149 GNUNET_STATISTICS_destroy (h, GNUNET_YES);
152 h = GNUNET_STATISTICS_create ("gnunet-statistics", cfg);
158 if (GNUNET_NO == watch)
161 GNUNET_STATISTICS_get (h, subsystem, name, GET_TIMEOUT, &cleanup,
163 cleanup (h, GNUNET_SYSERR);
167 if ((NULL == subsystem) || (NULL == name))
169 printf (_("No subsystem or name given\n"));
171 GNUNET_STATISTICS_destroy (h, GNUNET_NO);
175 GNUNET_STATISTICS_watch(h, subsystem, name, &printer, h);
176 GNUNET_SCHEDULER_add_delayed(GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task, h);
181 * The main function to obtain statistics in GNUnet.
183 * @param argc number of arguments from the command line
184 * @param argv command line arguments
185 * @return 0 ok, 1 on error
188 main (int argc, char *const *argv)
190 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
191 {'n', "name", "NAME",
192 gettext_noop ("limit output to statistics for the given NAME"), 1,
193 &GNUNET_GETOPT_set_string, &name},
194 {'p', "persistent", NULL,
195 gettext_noop ("make the value being set persistent"), 0,
196 &GNUNET_GETOPT_set_one, &persistent},
197 {'s', "subsystem", "SUBSYSTEM",
198 gettext_noop ("limit output to the given SUBSYSTEM"), 1,
199 &GNUNET_GETOPT_set_string, &subsystem},
201 gettext_noop ("just print the statistics value"), 0,
202 &GNUNET_GETOPT_set_one, &quiet},
204 gettext_noop ("watch value continously"), 0,
205 &GNUNET_GETOPT_set_one, &watch},
206 GNUNET_GETOPT_OPTION_END
209 GNUNET_PROGRAM_run (argc, argv, "gnunet-statistics [options [value]]",
211 ("Print statistics about GNUnet operations."),
212 options, &run, NULL)) ? ret : 1;
215 /* end of gnunet-statistics.c */