commit 61995d3e2cd7631df1fcb9fbdf9333dee24566b4 Author: Nick Mathewson nickm@torproject.org Date: Mon Feb 4 10:47:08 2013 -0500

Ignore tiny bandwidths entirely when computing thresholds

Another bug 8145 fix. --- changes/bug8146_etc | 3 +++ src/or/dirserv.c | 8 +++++++- 2 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/changes/bug8146_etc b/changes/bug8146_etc index 3775aa5..274e2ab 100644 --- a/changes/bug8146_etc +++ b/changes/bug8146_etc @@ -5,3 +5,6 @@

- When computing thresholds for flags, never let the threshold for the Fast flag to 4096 bytes. Fixes bug 8145. + - Do not consider nodes with extremely low bandwidths when deciding + thresholds for various directory flags. Another fix for 8145. + diff --git a/src/or/dirserv.c b/src/or/dirserv.c index f3cb2de..0c3e72f 100644 --- a/src/or/dirserv.c +++ b/src/or/dirserv.c @@ -1884,6 +1884,10 @@ dirserv_thinks_router_is_hs_dir(const routerinfo_t *router, node->is_running); }

+/** Don't consider routers with less bandwidth than this when computing + * thresholds. */ +#define ABSOLUTE_MIN_BW_VALUE_TO_CONSIDER 4096 + /** Helper for dirserv_compute_performance_thresholds(): Decide whether to * include a router in our calculations, and return true iff we should. */ static int @@ -1891,7 +1895,9 @@ router_counts_toward_thresholds(const node_t *node, time_t now, const digestmap_t *omit_as_sybil) { return node->ri && router_is_active(node->ri, node, now) && - !digestmap_get(omit_as_sybil, node->ri->cache_info.identity_digest); + !digestmap_get(omit_as_sybil, node->ri->cache_info.identity_digest) && + (router_get_advertised_bandwidth(node->ri) >= + ABSOLUTE_MIN_BW_VALUE_TO_CONSIDER); }

/** Look through the routerlist, the Mean Time Between Failure history, and