/*
This file is part of GNUnet.
- (C) 2001, 2002, 2006, 2009 Christian Grothoff (and other contributing authors)
+ (C) 2011-2013 Christian Grothoff (and other contributing authors)
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
* @brief functions to speedup peer execution by manipulation system time
*/
#include "platform.h"
-#include "gnunet_time_lib.h"
-#include "gnunet_scheduler_lib.h"
+#include "gnunet_util_lib.h"
+#include "speedup.h"
#define LOG(kind,...) GNUNET_log_from (kind, "util", __VA_ARGS__)
static void
-do_speedup (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_speedup (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
static long long current_offset;
-
+
speedup_task = GNUNET_SCHEDULER_NO_TASK;
if (0 != (GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason))
return;
- current_offset += delta.rel_value;
+ current_offset += delta.rel_value_us;
GNUNET_TIME_set_offset (current_offset);
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Speeding up execution time by %llu ms\n", delta.rel_value);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Speeding up execution time by %s\n",
+ GNUNET_STRINGS_relative_time_to_string (delta, GNUNET_NO));
speedup_task = GNUNET_SCHEDULER_add_delayed (interval, &do_speedup, NULL);
}
+/**
+ * Start task that may speed up our system clock artificially
+ *
+ * @param cfg configuration to use
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR if the speedup was not configured
+ */
int
GNUNET_SPEEDUP_start_ (const struct GNUNET_CONFIGURATION_Handle *cfg)
{
- if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_time (cfg, "testing", "SPEEDUP_INTERVAL", &interval))
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_time (cfg, "testing",
+ "SPEEDUP_INTERVAL", &interval))
return GNUNET_SYSERR;
- if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_time (cfg, "testing", "SPEEDUP_DELTA", &delta))
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_time (cfg, "testing",
+ "SPEEDUP_DELTA", &delta))
return GNUNET_SYSERR;
- if ((0 == interval.rel_value) || (0 == delta.rel_value))
+ if ((0 == interval.rel_value_us) || (0 == delta.rel_value_us))
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Speed up disabled\n");
return GNUNET_OK;
}
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Speed up execution time %llu ms every %llu ms\n",
- delta.rel_value, interval.rel_value);
- speedup_task = GNUNET_SCHEDULER_add_now_with_lifeness (GNUNET_NO, &do_speedup, NULL);
+ "Speed up execution by %s\n",
+ GNUNET_STRINGS_relative_time_to_string (delta, GNUNET_NO));
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Speed up executed every %s\n",
+ GNUNET_STRINGS_relative_time_to_string (interval, GNUNET_NO));
+ speedup_task = GNUNET_SCHEDULER_add_now_with_lifeness (GNUNET_NO,
+ &do_speedup, NULL);
return GNUNET_OK;
}
+/**
+ * Stop tasks that modify clock behavior.
+ */
void
-GNUNET_SPEEDUP_stop_ ( )
+GNUNET_SPEEDUP_stop_ ()
{
if (GNUNET_SCHEDULER_NO_TASK != speedup_task)
{
GNUNET_SCHEDULER_cancel (speedup_task);
speedup_task = GNUNET_SCHEDULER_NO_TASK;
}
- if ((0 != interval.rel_value) && (0 != delta.rel_value))
+ if ( (0 != interval.rel_value_us) &&
+ (0 != delta.rel_value_us) )
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Stopped execution speed up\n");
}