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author | teor <teor2345@gmail.com> | 2017-07-05 01:45:28 +1000 |
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committer | Nick Mathewson <nickm@torproject.org> | 2017-07-07 13:18:04 -0400 |
commit | 527c0735f11d5a36aa1fb84dc30b624139ba8406 (patch) | |
tree | 694fb93a53d4e791b135b9821669af1bc8b26709 /src/or | |
parent | 32f0cbc0f6fc7a53fc88a144e42fea9aca2cd073 (diff) | |
download | tor-527c0735f11d5a36aa1fb84dc30b624139ba8406.tar.gz tor-527c0735f11d5a36aa1fb84dc30b624139ba8406.zip |
Comment that failure schedules always use exponential backoff
Diffstat (limited to 'src/or')
-rw-r--r-- | src/or/directory.c | 2 | ||||
-rw-r--r-- | src/or/or.h | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/src/or/directory.c b/src/or/directory.c index ccec810bae..fc210785e0 100644 --- a/src/or/directory.c +++ b/src/or/directory.c @@ -3771,6 +3771,8 @@ find_dl_min_and_max_delay(download_status_t *dls, const or_options_t *options, const smartlist_t *schedule = find_dl_schedule(dls, options); tor_assert(schedule != NULL && smartlist_len(schedule) >= 2); *min = *((int *)(smartlist_get(schedule, 0))); + /* Increment on failure schedules always use exponential backoff, but they + * have a smaller limit when they're deterministic */ if (dls->backoff == DL_SCHED_DETERMINISTIC) *max = *((int *)((smartlist_get(schedule, smartlist_len(schedule) - 1)))); else diff --git a/src/or/or.h b/src/or/or.h index b7c67baf93..8a217a079e 100644 --- a/src/or/or.h +++ b/src/or/or.h @@ -1981,7 +1981,9 @@ typedef struct download_status_t { * or after each failure? */ download_schedule_backoff_bitfield_t backoff : 1; /**< do we use the * deterministic schedule, or random - * exponential backoffs? */ + * exponential backoffs? + * Increment on failure schedules + * always use exponential backoff. */ uint8_t last_backoff_position; /**< number of attempts/failures, depending * on increment_on, when we last recalculated * the delay. Only updated if backoff |