speedup mechanism to manipulate gnunet time

1 files changed, 101 insertions, 0 deletions

diff --git a/src/util/test_speedup.c b/src/util/test_speedup.c
new file mode 100644
index 000000000..849505c24
--- /dev/null
+++ b/src/util/test_speedup.c
@@ -0,0 +1,101 @@
+/*
+     This file is part of GNUnet.
+     (C) 2001, 2002, 2003, 2004, 2006, 2009 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 3, or (at your
+     option) any later version.
+
+     GNUnet is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     General Public License for more details.
+
+     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.
+*/
+/**
+ * @file util/test_speedup.c
+ * @brief testcase for speedup.c
+ */
+#include "platform.h"
+#include "gnunet_common.h"
+#include "gnunet_program_lib.h"
+#include "gnunet_time_lib.h"
+#include "gnunet_strings_lib.h"
+
+
+#define VERBOSE GNUNET_NO
+
+static struct GNUNET_TIME_Absolute start;
+static struct GNUNET_TIME_Absolute end;
+static int cycles;
+
+static void
+run (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+
+  cycles ++;
+  printf ("..%u", cycles);
+  fflush(stdout);
+  if (cycles <= 5)
+    GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_SECONDS, &run, NULL);
+  else
+  {
+    end = GNUNET_TIME_absolute_get();
+    printf ("\n");
+    fflush(stdout);
+  }
+}
+
+void check (void *cls, char *const *args,
+                                     const char *cfgfile,
+                                     const struct GNUNET_CONFIGURATION_Handle *
+                                     cfg)
+{
+  printf ("0");
+  fflush(stdout);
+  GNUNET_SCHEDULER_add_now(&run, NULL);
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  time_t start_real;
+  time_t end_real;
+  struct GNUNET_TIME_Relative delta;
+
+  static char *const argvn[] = { "test-speedup",
+    "-c",
+    "test_speedup_data.conf",
+#if VERBOSE
+    "-L", "DEBUG",
+#endif
+    NULL
+  };
+  start_real = time (NULL);
+  start = GNUNET_TIME_absolute_get();
+  static struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+
+  GNUNET_PROGRAM_run ((sizeof (argvn) / sizeof (char *)) - 1, argvn, "test-speedup",
+                      "nohelp", options, &check, NULL);
+
+  end_real = time (NULL);
+  delta = GNUNET_TIME_absolute_get_difference(start, end);
+
+  GNUNET_log  (GNUNET_ERROR_TYPE_DEBUG, "Execution time in GNUnet time: %llu ms\n", delta.rel_value);
+  GNUNET_log  (GNUNET_ERROR_TYPE_DEBUG, "Execution time in system time: %llu ms\n", (end_real - start_real) * 1000);
+
+  if (delta.rel_value >  ((end_real - start_real) * 1500))
+    return 0;
+  else
+    return 1;
+}
+
+/* end of test_speedup.c */