/*
This file is part of GNUnet.
- (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2009 GNUnet e.V.
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 2, or (at your
+ 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
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.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* @author Igor Wronsky
*/
#include "platform.h"
-#include "gnunet_getopt_lib.h"
-#include "gnunet_program_lib.h"
+#include "gnunet_util_lib.h"
#include "gnunet_statistics_service.h"
#include "statistics.h"
-#define GET_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
/**
* Final status code.
*/
static int persistent;
+/**
+ * Watch value continuously
+ */
+static int watch;
+
+/**
+ * Quiet mode
+ */
+static int quiet;
+
+/**
+ * Remote host
+ */
+static char *remote_host;
+
+/**
+ * Remote host's port
+ */
+static unsigned long long remote_port;
+
+/**
+ * Value to set
+ */
+static unsigned long long set_val;
+
+/**
+ * Set operation
+ */
+static int set_value;
+
+/**
+ * Handle for pending GET operation.
+ */
+static struct GNUNET_STATISTICS_GetHandle *gh;
+
+
/**
* Callback function to process statistic values.
*
* @param subsystem name of subsystem that created the statistic
* @param name the name of the datum
* @param value the current value
- * @param is_persistent GNUNET_YES if the value is persistent, GNUNET_NO if not
- * @return GNUNET_OK to continue, GNUNET_SYSERR to abort iteration
+ * @param is_persistent #GNUNET_YES if the value is persistent, #GNUNET_NO if not
+ * @return #GNUNET_OK to continue, #GNUNET_SYSERR to abort iteration
*/
static int
printer (void *cls,
const char *subsystem,
- const char *name,
- uint64_t value, int is_persistent)
+ const char *name,
+ uint64_t value,
+ int is_persistent)
{
- FPRINTF (stdout,
- "%s%-12s %-50s: %16llu\n",
- is_persistent ? "!" : " ", subsystem, _(name),
- (unsigned long long) value);
+ struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get();
+ const char * now_str;
+
+ if (quiet == GNUNET_NO)
+ {
+ if (GNUNET_YES == watch)
+ {
+ now_str = GNUNET_STRINGS_absolute_time_to_string(now);
+ FPRINTF (stdout, "%24s %s%12s %50s: %16llu \n",
+ now_str,
+ is_persistent ? "!" : " ",
+ subsystem, _(name), (unsigned long long) value);
+ }
+ else
+ {
+ FPRINTF (stdout, "%s%12s %50s: %16llu \n",
+ is_persistent ? "!" : " ",
+ subsystem, _(name), (unsigned long long) value);
+ }
+ }
+ else
+ FPRINTF (stdout, "%llu\n", (unsigned long long) value);
+
return GNUNET_OK;
}
* Function called last by the statistics code.
*
* @param cls closure
- * @param success GNUNET_OK if statistics were
- * successfully obtained, GNUNET_SYSERR if not.
+ * @param success #GNUNET_OK if statistics were
+ * successfully obtained, #GNUNET_SYSERR if not.
*/
static void
-cleanup (void *cls, int success)
+cleanup (void *cls,
+ int success)
+{
+ gh = NULL;
+ if (GNUNET_OK != success)
+ {
+ if (NULL == remote_host)
+ FPRINTF (stderr,
+ "%s",
+ _("Failed to obtain statistics.\n"));
+ else
+ FPRINTF (stderr,
+ _("Failed to obtain statistics from host `%s:%llu'\n"),
+ remote_host,
+ remote_port);
+ ret = 1;
+ }
+ GNUNET_SCHEDULER_shutdown ();
+}
+
+
+/**
+ * Function run on shutdown to clean up.
+ *
+ * @param cls the statistics handle
+ */
+static void
+shutdown_task (void *cls)
{
struct GNUNET_STATISTICS_Handle *h = cls;
- if (success != GNUNET_OK)
+ if (NULL == h)
+ return;
+ if (NULL != gh)
+ {
+ GNUNET_STATISTICS_get_cancel (gh);
+ gh = NULL;
+ }
+ if ( (GNUNET_YES == watch) &&
+ (NULL != subsystem) &&
+ (NULL != name) )
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_STATISTICS_watch_cancel (h,
+ subsystem,
+ name,
+ &printer, h));
+ GNUNET_STATISTICS_destroy (h,
+ GNUNET_NO);
+ h = NULL;
+}
+
+
+/**
+ * Main task that does the actual work.
+ *
+ * @param cls closure with our configuration
+ */
+static void
+main_task (void *cls)
+{
+ const struct GNUNET_CONFIGURATION_Handle *cfg = cls;
+ struct GNUNET_STATISTICS_Handle *h;
+
+ if (set_value)
+ {
+ if (NULL == subsystem)
+ {
+ FPRINTF (stderr, "%s", _("Missing argument: subsystem \n"));
+ ret = 1;
+ return;
+ }
+ if (NULL == name)
+ {
+ FPRINTF (stderr, "%s", _("Missing argument: name\n"));
+ ret = 1;
+ return;
+ }
+ h = GNUNET_STATISTICS_create (subsystem, cfg);
+ if (NULL == h)
{
- fprintf (stderr,
- _("Failed to obtain statistics.\n"));
ret = 1;
+ return;
}
- if (h != NULL)
+ GNUNET_STATISTICS_set (h,
+ name,
+ (uint64_t) set_val,
+ persistent);
GNUNET_STATISTICS_destroy (h,
- GNUNET_NO);
+ GNUNET_YES);
+ h = NULL;
+ return;
+ }
+ if (NULL == (h = GNUNET_STATISTICS_create ("gnunet-statistics",
+ cfg)))
+ {
+ ret = 1;
+ return;
+ }
+ if (GNUNET_NO == watch)
+ {
+ if (NULL ==
+ (gh = GNUNET_STATISTICS_get (h,
+ subsystem,
+ name,
+ &cleanup,
+ &printer, h)) )
+ cleanup (h, GNUNET_SYSERR);
+ }
+ else
+ {
+ if ((NULL == subsystem) || (NULL == name))
+ {
+ printf (_("No subsystem or name given\n"));
+ GNUNET_STATISTICS_destroy (h, GNUNET_NO);
+ h = NULL;
+ ret = 1;
+ return;
+ }
+ if (GNUNET_OK !=
+ GNUNET_STATISTICS_watch (h,
+ subsystem,
+ name,
+ &printer, h))
+ {
+ fprintf (stderr,
+ _("Failed to initialize watch routine\n"));
+ GNUNET_SCHEDULER_add_now (&shutdown_task,
+ h);
+ return;
+ }
+ }
+ GNUNET_SCHEDULER_add_shutdown (&shutdown_task,
+ h);
+}
+
+
+/**
+ * Function called with th test result to see if the resolver is
+ * running.
+ *
+ * @param cls closure with our configuration
+ * @param result #GNUNET_YES if the resolver is running
+ */
+static void
+resolver_test_task (void *cls,
+ int result)
+{
+ struct GNUNET_CONFIGURATION_Handle *cfg = cls;
+
+ if (GNUNET_YES != result)
+ {
+ FPRINTF (stderr,
+ _("Trying to connect to remote host, but service `%s' is not running\n"),
+ "resolver");
+ return;
+ }
+ /* connect to a remote host */
+ if (0 == remote_port)
+ {
+ if (GNUNET_SYSERR ==
+ GNUNET_CONFIGURATION_get_value_number (cfg, "statistics",
+ "PORT",
+ &remote_port))
+ {
+ FPRINTF (stderr,
+ _("A port is required to connect to host `%s'\n"),
+ remote_host);
+ return;
+ }
+ }
+ else if (65535 <= remote_port)
+ {
+ FPRINTF (stderr,
+ _("A port has to be between 1 and 65535 to connect to host `%s'\n"),
+ remote_host);
+ return;
+ }
+
+ /* Manipulate configuration */
+ GNUNET_CONFIGURATION_set_value_string (cfg,
+ "statistics",
+ "UNIXPATH",
+ "");
+ GNUNET_CONFIGURATION_set_value_string (cfg,
+ "statistics",
+ "HOSTNAME",
+ remote_host);
+ GNUNET_CONFIGURATION_set_value_number (cfg,
+ "statistics",
+ "PORT",
+ remote_port);
+ GNUNET_SCHEDULER_add_now (&main_task, cfg);
}
* Main function that will be run by the scheduler.
*
* @param cls closure
- * @param sched the scheduler to use
* @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,
- struct GNUNET_SCHEDULER_Handle *sched,
char *const *args,
const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
- struct GNUNET_STATISTICS_Handle *h;
- unsigned long long val;
-
- if (args[0] != NULL)
- {
- if ((1 != SSCANF (args[0], "%llu", &val)) ||
- (subsystem == NULL) || (name == NULL))
- {
- FPRINTF (stderr, _("Invalid argument `%s'\n"), args[0]);
- ret = 1;
- return;
- }
- h = GNUNET_STATISTICS_create (sched, subsystem, cfg);
- if (h == NULL)
- {
- ret = 1;
- return;
- }
- GNUNET_STATISTICS_set (h, name, (uint64_t) val, persistent);
- GNUNET_STATISTICS_destroy (h, GNUNET_YES);
- return;
- }
- h = GNUNET_STATISTICS_create (sched, "gnunet-statistics", cfg);
- if (h == NULL)
+ set_value = GNUNET_NO;
+ if (NULL != args[0])
+ {
+ if (1 != SSCANF (args[0], "%llu", &set_val))
{
+ FPRINTF (stderr, _("Invalid argument `%s'\n"), args[0]);
ret = 1;
return;
}
- if (NULL == GNUNET_STATISTICS_get (h,
- subsystem, name, GET_TIMEOUT, &cleanup, &printer, h))
- cleanup (h, GNUNET_SYSERR);
+ set_value = GNUNET_YES;
+ }
+ if (NULL != remote_host)
+ GNUNET_CLIENT_service_test ("resolver",
+ cfg,
+ GNUNET_TIME_UNIT_SECONDS,
+ &resolver_test_task, (void *) cfg);
+ else
+ GNUNET_SCHEDULER_add_now (&main_task, (void *) cfg);
}
-/**
- * gnunet-statistics command line options
- */
-static struct GNUNET_GETOPT_CommandLineOption options[] = {
- {'n', "name", "NAME",
- gettext_noop ("limit output to statistcs for the given NAME"), 1,
- &GNUNET_GETOPT_set_string, &name},
- {'p', "persistent", NULL,
- gettext_noop ("make the value being set persistent"), 0,
- &GNUNET_GETOPT_set_one, &persistent},
- {'s', "subsystem", "SUBSYSTEM",
- gettext_noop ("limit output to the given SUBSYSTEM"), 1,
- &GNUNET_GETOPT_set_string, &subsystem},
- GNUNET_GETOPT_OPTION_END
-};
-
/**
* The main function to obtain statistics in GNUnet.
int
main (int argc, char *const *argv)
{
- return (GNUNET_OK ==
- GNUNET_PROGRAM_run (argc,
- argv,
- "gnunet-statistics",
- gettext_noop
- ("Print statistics about GNUnet operations."),
- options, &run, NULL)) ? ret : 1;
+ static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+ {'n', "name", "NAME",
+ gettext_noop ("limit output to statistics for the given NAME"), 1,
+ &GNUNET_GETOPT_set_string, &name},
+ {'p', "persistent", NULL,
+ gettext_noop ("make the value being set persistent"), 0,
+ &GNUNET_GETOPT_set_one, &persistent},
+ {'s', "subsystem", "SUBSYSTEM",
+ gettext_noop ("limit output to the given SUBSYSTEM"), 1,
+ &GNUNET_GETOPT_set_string, &subsystem},
+ {'q', "quiet", NULL,
+ gettext_noop ("just print the statistics value"), 0,
+ &GNUNET_GETOPT_set_one, &quiet},
+ {'w', "watch", NULL,
+ gettext_noop ("watch value continuously"), 0,
+ &GNUNET_GETOPT_set_one, &watch},
+ {'r', "remote", NULL,
+ gettext_noop ("connect to remote host"), 1,
+ &GNUNET_GETOPT_set_string, &remote_host},
+ {'o', "port", NULL,
+ gettext_noop ("port for remote host"), 1,
+ &GNUNET_GETOPT_set_uint, &remote_port},
+ GNUNET_GETOPT_OPTION_END
+ };
+ remote_port = 0;
+ remote_host = NULL;
+ if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv,
+ &argc, &argv))
+ return 2;
+
+ ret = (GNUNET_OK ==
+ GNUNET_PROGRAM_run (argc, argv, "gnunet-statistics [options [value]]",
+ gettext_noop
+ ("Print statistics about GNUnet operations."),
+ options, &run, NULL)) ? ret : 1;
+ GNUNET_free_non_null (remote_host);
+ GNUNET_free ((void*) argv);
+ return ret;
}
/* end of gnunet-statistics.c */