diff options
Diffstat (limited to 'src/include/gnunet_time_lib.h')
| -rw-r--r-- | src/include/gnunet_time_lib.h | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/src/include/gnunet_time_lib.h b/src/include/gnunet_time_lib.h index 35d180c..d131e4e 100644 --- a/src/include/gnunet_time_lib.h +++ b/src/include/gnunet_time_lib.h @@ -150,6 +150,22 @@ GNUNET_NETWORK_STRUCT_END #define GNUNET_TIME_UNIT_FOREVER_ABS GNUNET_TIME_absolute_get_forever_ () + +/** + * Threshold after which exponential backoff should not increase (15 m). + */ +#define GNUNET_TIME_STD_EXPONENTIAL_BACKOFF_THRESHOLD GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 15) + + +/** + * Perform our standard exponential back-off calculation, starting at 1mst + * and then going by a factor of 2 up unto a maximum of 1s. + * + * @param r current backoff time, initially zero + */ +#define GNUNET_TIME_STD_BACKOFF(r) GNUNET_TIME_relative_min (GNUNET_TIME_STD_EXPONENTIAL_BACKOFF_THRESHOLD, \ + GNUNET_TIME_relative_multiply (GNUNET_TIME_relative_max (GNUNET_TIME_UNIT_MILLISECONDS, (r)), 2)); + /** * Return relative time of 0ms. */ @@ -441,18 +457,6 @@ GNUNET_TIME_absolute_ntoh (struct GNUNET_TIME_AbsoluteNBO a); /** - * Convert a relative time to a string. - * NOT reentrant! - * - * @param time the time to print - * - * @return string form of the time (as milliseconds) - */ -const char * -GNUNET_TIME_relative_to_string (struct GNUNET_TIME_Relative time); - - -/** * Set the timestamp offset for this instance. * * @param offset the offset to skew the locale time by |