Commit c90c33fd authored by Robert Ransom's avatar Robert Ransom Committed by Nick Mathewson
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Turn off LearnCircuitBuildTimeout when tor2web mode is on

parent 328c9582
......@@ -3524,6 +3524,24 @@ options_validate(or_options_t *old_options, or_options_t *options,
options->RendPostPeriod = MAX_DIR_PERIOD;
if (options->Tor2webMode && options->LearnCircuitBuildTimeout) {
/* LearnCircuitBuildTimeout and Tor2webMode are incompatible in
* two ways:
* - LearnCircuitBuildTimeout results in a low CBT, which
* Tor2webMode's use of one-hop rendezvous circuits lowers
* much further, producing *far* too many timeouts.
* - The adaptive CBT code does not update its timeout estimate
* using build times for single-hop circuits.
* If we fix both of these issues someday, we should test
* Tor2webMode with LearnCircuitBuildTimeout on again. */
log_notice(LD_CONFIG,"Tor2webMode is enabled; turning "
"LearnCircuitBuildTimeout off.");
options->LearnCircuitBuildTimeout = 0;
if (options->MaxCircuitDirtiness < MIN_MAX_CIRCUIT_DIRTINESS) {
log_warn(LD_CONFIG, "MaxCircuitDirtiness option is too short; "
"raising to %d seconds.", MIN_MAX_CIRCUIT_DIRTINESS);
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