/*
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
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,
+printer (void *cls,
+ const char *subsystem,
+ const char *name,
+ uint64_t value,
int is_persistent)
{
+ struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get();
+ const char * now_str;
+
if (quiet == GNUNET_NO)
- FPRINTF (stdout, "%s%-12s %-50s: %16llu\n", is_persistent ? "!" : " ",
- subsystem, _(name), (unsigned long long) value);
+ {
+ 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);
* 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)
{
- fprintf (stderr, _("Failed to obtain statistics.\n"));
- ret = 1;
+ GNUNET_STATISTICS_get_cancel (gh);
+ gh = NULL;
}
- if (h != NULL)
- GNUNET_STATISTICS_destroy (h, GNUNET_NO);
+ 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 function that will be run by the scheduler.
+ * Main task that does the actual work.
*
- * @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
+ * @param cls closure with our configuration
*/
static void
-run (void *cls, char *const *args, const char *cfgfile,
- const struct GNUNET_CONFIGURATION_Handle *cfg)
+main_task (void *cls)
{
+ const struct GNUNET_CONFIGURATION_Handle *cfg = cls;
struct GNUNET_STATISTICS_Handle *h;
- unsigned long long val;
- if (args[0] != NULL)
+ if (set_value)
{
- if ((1 != SSCANF (args[0], "%llu", &val)) || (subsystem == NULL) ||
- (name == NULL))
+ if (NULL == subsystem)
{
- FPRINTF (stderr, _("Invalid argument `%s'\n"), args[0]);
+ 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 (h == NULL)
+ if (NULL == h)
{
ret = 1;
return;
}
- GNUNET_STATISTICS_set (h, name, (uint64_t) val, persistent);
- GNUNET_STATISTICS_destroy (h, GNUNET_YES);
+ GNUNET_STATISTICS_set (h,
+ name,
+ (uint64_t) set_val,
+ persistent);
+ GNUNET_STATISTICS_destroy (h,
+ GNUNET_YES);
+ h = NULL;
return;
}
- h = GNUNET_STATISTICS_create ("gnunet-statistics", cfg);
- if (h == NULL)
+ if (NULL == (h = GNUNET_STATISTICS_create ("gnunet-statistics",
+ cfg)))
{
ret = 1;
return;
}
- if (NULL ==
- GNUNET_STATISTICS_get (h, subsystem, name, GET_TIMEOUT, &cleanup,
- &printer, h))
- cleanup (h, GNUNET_SYSERR);
+ 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 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)
+{
+ 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;
+ }
+ 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);
}
+
/**
* The main function to obtain statistics in GNUnet.
*
{'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
};
- return (GNUNET_OK ==
- GNUNET_PROGRAM_run (argc, argv, "gnunet-statistics [options [value]]",
- gettext_noop
- ("Print statistics about GNUnet operations."),
- options, &run, NULL)) ? ret : 1;
+ 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 */