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Modify SST_GetSelectionData to return only necessary data

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This commit is contained in:
Miroslav Lichvar
2013-06-12 16:06:33 +02:00
parent 9666831818
commit 22e5ed44c2
3 changed files with 28 additions and 37 deletions
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40
sourcestats.c
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@@ -514,21 +514,16 @@ SST_GetFrequencyRange(SST_Stats inst,
/* ================================================== */
/* ================================================== */
void
SST_GetSelectionData(SST_Stats inst, struct timeval *now,
int *stratum,
double *best_offset, double *best_root_delay,
double *best_root_dispersion,
double *offset_lo_limit,
double *offset_hi_limit,
double *root_distance,
double *variance, int *select_ok)
{
double average_offset;
double sample_elapsed;
double elapsed;
double offset, sample_elapsed;
int i, j;
int average_ok;
double peer_distance;
i = get_runsbuf_index(inst, inst->best_single_sample);
j = get_buf_index(inst, inst->best_single_sample);
@@ -536,30 +531,33 @@ SST_GetSelectionData(SST_Stats inst, struct timeval *now,
*stratum = inst->strata[get_buf_index(inst, inst->n_samples - 1)];
*variance = inst->variance;
peer_distance = inst->peer_dispersions[j] + 0.5 * inst->peer_delays[j];
UTI_DiffTimevalsToDouble(&elapsed, now, &(inst->offset_time));
UTI_DiffTimevalsToDouble(&sample_elapsed, now, &inst->sample_times[i]);
*best_offset = inst->offsets[i] + sample_elapsed * inst->estimated_frequency;
*best_root_delay = inst->root_delays[j];
*best_root_dispersion = inst->root_dispersions[j] + sample_elapsed * inst->skew;
offset = inst->offsets[i] + sample_elapsed * inst->estimated_frequency;
*root_distance = 0.5 * inst->root_delays[j] +
inst->root_dispersions[j] + sample_elapsed * inst->skew;
*offset_lo_limit = offset - *root_distance;
*offset_hi_limit = offset + *root_distance;
#if 0
double average_offset, elapsed;
int average_ok;
/* average_ok ignored for now */
UTI_DiffTimevalsToDouble(&elapsed, now, &(inst->offset_time));
average_offset = inst->estimated_offset + inst->estimated_frequency * elapsed;
if (fabs(average_offset - *best_offset) <= peer_distance) {
if (fabs(average_offset - offset) <=
inst->peer_dispersions[j] + 0.5 * inst->peer_delays[j]) {
average_ok = 1;
} else {
average_ok = 0;
}
#endif
*select_ok = inst->regression_ok;
#ifdef TRACEON
LOG(LOGS_INFO, LOGF_SourceStats, "n=%d off=%f del=%f dis=%f var=%f pdist=%f avoff=%f avok=%d selok=%d",
inst->n_samples, *best_offset, *best_root_delay, *best_root_dispersion, *variance,
peer_distance, average_offset, average_ok, *select_ok);
#else
(void)average_ok;
LOG(LOGS_INFO, LOGF_SourceStats, "n=%d off=%f dist=%f var=%f selok=%d",
inst->n_samples, offset, *root_distance, *variance, *select_ok);
#endif
}