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Clarify use of magic number 0.98 with #define.

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This commit is contained in:
Mike Perry 2009-09-16 18:41:22 -07:00
parent 1aac7de1ea
commit 43c18746bd
3 changed files with 8 additions and 4 deletions
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4
src/or/circuitbuild.c
View File

@ -529,10 +529,8 @@ void
circuit_build_times_add_timeout_worker(circuit_build_times_t *cbt,
double quantile_cutoff)
{
/* We want to stay a bit short of 1.0, because longtail is
* loooooooooooooooooooooooooooooooooooooooooooooooooooong */
build_time_t gentime = circuit_build_times_generate_sample(cbt,
quantile_cutoff, 0.98);
quantile_cutoff, MAX_SYNTHETIC_QUANTILE);
if (gentime < (build_time_t)cbt->timeout*1000) {
log_warn(LD_CIRC,

5
src/or/or.h
View File

@ -2867,6 +2867,11 @@ void entry_guards_free_all(void);
* RECENT_CIRCUITS before calculating a new timeout */
#define MAX_RECENT_TIMEOUT_RATE 0.7999999
/** Maximum quantile to use to generate synthetic timeouts.
* We want to stay a bit short of 1.0, because longtail is
* loooooooooooooooooooooooooooooooooooooooooooooooooooong. */
#define MAX_SYNTHETIC_QUANTILE 0.98
/** Minimum circuits before estimating a timeout */
#define MIN_CIRCUITS_TO_OBSERVE 500

3
src/or/test.c
View File

@ -3444,7 +3444,8 @@ test_circuit_timeout(void)
int n = 0;
for (i=0; i < MIN_CIRCUITS_TO_OBSERVE; i++) {
if (circuit_build_times_add_time(&estimate,
circuit_build_times_generate_sample(&initial, 0, .98)) == 0) {
circuit_build_times_generate_sample(&initial, 0,
MAX_SYNTHETIC_QUANTILE)) == 0) {
n++;
}
}