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Make bandwidth change factor a constant

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used to determine large changes in bandwidth.
This commit is contained in:
juga0 2018-06-03 09:40:57 +00:00 committed by Nick Mathewson
parent 7d70f67dea
commit 6210d568ec
1 changed files with 5 additions and 2 deletions
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7
src/or/router.c
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@ -2429,6 +2429,9 @@ mark_my_descriptor_dirty(const char *reason)
* estimated bandwidth. */
#define MAX_UPTIME_BANDWIDTH_CHANGE (24*60*60)
/** By which factor bandwidth shifts have to change to be considered large. */
#define BANDWIDTH_CHANGE_FACTOR 2
/** Check whether bandwidth has changed a lot since the last time we announced
* bandwidth while the uptime is smaller than MAX_UPTIME_BANDWIDTH_CHANGE.
* If so, mark our descriptor dirty. */
@ -2449,8 +2452,8 @@ check_descriptor_bandwidth_changed(time_t now)
prev = router_get_my_routerinfo()->bandwidthcapacity;
cur = we_are_hibernating() ? 0 : rep_hist_bandwidth_assess();
if ((prev != cur && (!prev || !cur)) ||
cur > prev*2 ||
cur < prev/2) {
cur > (prev * BANDWIDTH_CHANGE_FACTOR) ||
cur < (prev / BANDWIDTH_CHANGE_FACTOR) ) {
if (last_changed+MAX_BANDWIDTH_CHANGE_FREQ < now || !prev) {
log_info(LD_GENERAL,
"Measured bandwidth has changed; rebuilding descriptor.");