configurable threshold for randomized backoff

1 files changed, 6 insertions, 3 deletions

diff --git a/src/util/time.c b/src/util/time.c
index 0c177c381..b02c43c1b 100644
--- a/src/util/time.c
+++ b/src/util/time.c
@@ -737,13 +737,14 @@ GNUNET_TIME_year_to_time (unsigned int year)
 /**
  * Randomized exponential back-off, starting at 1 ms
  * and going up by a factor of 2+r, where 0 <= r <= 0.5, up
- * to a maximum of 15 m.
+ * to a maximum of the given threshold.
  *
  * @param r current backoff time, initially zero
+ * @param threshold maximum value for backoff
  * @return the next backoff time
  */
 struct GNUNET_TIME_Relative
-GNUNET_TIME_randomized_backoff(struct GNUNET_TIME_Relative rt)
+GNUNET_TIME_randomized_backoff(struct GNUNET_TIME_Relative rt, struct GNUNET_TIME_Relative threshold)
 {
   double r = (rand() % 500) / 1000.0;
   struct GNUNET_TIME_Relative t;
@@ -751,9 +752,11 @@ GNUNET_TIME_randomized_backoff(struct GNUNET_TIME_Relative rt)
   t = relative_multiply_double (GNUNET_TIME_relative_max (GNUNET_TIME_UNIT_MILLISECONDS,
                                                           rt),
                                 2 + r);
-  return GNUNET_TIME_relative_min (GNUNET_TIME_STD_EXPONENTIAL_BACKOFF_THRESHOLD,
+  return GNUNET_TIME_relative_min (threshold,
                                    t);
 }
 
 
+
+
 /* end of time.c */