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Set reference time to last sample instead of time on update

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This is done mainly to fix reported root dispersion to include max clock
error after selecting another source without new sample.
This commit is contained in:
Miroslav Lichvar
2011-04-11 17:52:04 +02:00
parent bb95c39356
commit c5587b60b2
4 changed files with 34 additions and 36 deletions
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22
sources.c
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@@ -424,9 +424,9 @@ void
SRC_SelectSource(unsigned long match_addr)
{
int i, j, index, old_selected_index;
struct timeval now;
struct timeval now, ref_time;
double src_offset, src_offset_sd, src_frequency, src_skew;
double src_accrued_dispersion;
double src_root_delay, src_root_dispersion;
int n_endpoints, j1, j2;
double best_lo, best_hi;
int depth, best_depth;
@@ -434,7 +434,6 @@ SRC_SelectSource(unsigned long match_addr)
double distance, sel_src_distance;
int stratum, min_stratum;
struct SelectInfo *si;
double total_root_dispersion;
int n_badstats_sources;
int max_sel_reach, max_badstat_reach;
int max_score_index;
@@ -846,25 +845,20 @@ SRC_SelectSource(unsigned long match_addr)
/* Now just use the statistics of the selected source for
trimming the local clock */
LCL_ReadCookedTime(&now, NULL);
SST_GetTrackingData(sources[selected_source_index]->stats, &now,
SST_GetTrackingData(sources[selected_source_index]->stats, &ref_time,
&src_offset, &src_offset_sd,
&src_accrued_dispersion,
&src_frequency, &src_skew);
total_root_dispersion = (src_accrued_dispersion +
sources[selected_source_index]->sel_info.root_dispersion);
&src_frequency, &src_skew,
&src_root_delay, &src_root_dispersion);
REF_SetReference(min_stratum, leap_status,
sources[selected_source_index]->ref_id,
sources[selected_source_index]->ip_addr,
&now,
&ref_time,
src_offset,
src_frequency,
src_skew,
sources[selected_source_index]->sel_info.root_delay,
total_root_dispersion);
src_root_delay,
src_root_dispersion);
}
} else {