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refclock: make maximum lock age configurable

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The maxlockage option specifies in number of pulses how old can be
samples from the refclock specified by the lock option to be paired with
the pulses. Increasing this value is useful when the samples are
produced at a lower rate than the pulses.
This commit is contained in:
Miroslav Lichvar
2016-12-08 14:40:11 +01:00
parent 8c11044ee2
commit 9a901e1cb0
4 changed files with 15 additions and 1 deletions
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6
conf.c
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@@ -674,6 +674,7 @@ static void
parse_refclock(char *line)
{
int n, poll, dpoll, filter_length, pps_rate, min_samples, max_samples, sel_options;
int max_lock_age;
uint32_t ref_id, lock_ref_id;
double offset, delay, precision, max_dispersion;
char *p, *cmd, *name, *param;
@@ -692,6 +693,7 @@ parse_refclock(char *line)
precision = 0.0;
max_dispersion = 0.0;
ref_id = 0;
max_lock_age = 2;
lock_ref_id = 0;
if (!*line) {
@@ -742,6 +744,9 @@ parse_refclock(char *line)
} else if (!strcasecmp(cmd, "minsamples")) {
if (sscanf(line, "%d%n", &min_samples, &n) != 1)
break;
} else if (!strcasecmp(cmd, "maxlockage")) {
if (sscanf(line, "%d%n", &max_lock_age, &n) != 1)
break;
} else if (!strcasecmp(cmd, "maxsamples")) {
if (sscanf(line, "%d%n", &max_samples, &n) != 1)
break;
@@ -795,6 +800,7 @@ parse_refclock(char *line)
refclock->precision = precision;
refclock->max_dispersion = max_dispersion;
refclock->ref_id = ref_id;
refclock->max_lock_age = max_lock_age;
refclock->lock_ref_id = lock_ref_id;
}