diff options
| -rw-r--r-- | ChangeLog | 2 | ||||
| -rw-r--r-- | src/or/rephist.c | 5 |
2 files changed, 7 insertions, 0 deletions
@@ -23,6 +23,8 @@ Changes in version 0.2.0.10-alpha - 2007-1?-?? - Directory authorities now decide whether routers are stable enough to be guards based not on their MTBF or their uptime, but on their fractional uptime: the fraction of the time that they are online. + (No router counts as having uptime until we've known about it for + at least 24 hours.) - Clients new hold circuitless TLS connections open for 1.5 times MaxCircuitDirtiness, since it is likely that they'll need to build a circuit over them within that timeframe. Previously, they held them diff --git a/src/or/rephist.c b/src/or/rephist.c index 19377369d8..98d02d90d8 100644 --- a/src/or/rephist.c +++ b/src/or/rephist.c @@ -384,6 +384,9 @@ get_stability(or_history_t *hist, time_t when) return total / total_weights; } +/* Until we've known about you for this long, you simply can't be up. */ +#define MIN_WEIGHTED_TIME_TO_BE_UP (18*60*60) + /** Helper: Return the weighted percent-of-time-online of the router with * history <b>hist</b>. */ static double @@ -399,6 +402,8 @@ get_weighted_fractional_uptime(or_history_t *hist, time_t when) } else if (hist->start_of_downtime) { total += (when - hist->start_of_downtime); } + if (total < MIN_WEIGHTED_TIME_TO_BE_UP) + return 0.0; return ((double) up) / total; } |