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Track reachability in sources module

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Add new flag to source struct to indicate when source is selectable
(packets with good headers are received) and use a reachability
register for last 8 samples instead of the reachable flag. Source
drivers now provide only reachability updates.
This commit is contained in:
Miroslav Lichvar
2010-12-16 16:01:29 +01:00
parent ff69e86559
commit 0c4968ec51
4 changed files with 65 additions and 39 deletions
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10
refclock.c
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@@ -69,7 +69,6 @@ struct RCL_Instance_Record {
int driver_poll;
int driver_polled;
int poll;
int missed_samples;
int leap_status;
int pps_rate;
struct MedianFilter filter;
@@ -175,7 +174,6 @@ RCL_AddRefclock(RefclockParameters *params)
inst->driver_parameter_length = 0;
inst->driver_poll = params->driver_poll;
inst->poll = params->poll;
inst->missed_samples = 0;
inst->driver_polled = 0;
inst->leap_status = 0;
inst->pps_rate = params->pps_rate;
@@ -255,6 +253,7 @@ RCL_StartRefclocks(void)
for (i = 0; i < n_sources; i++) {
RCL_Instance inst = &refclocks[i];
SRC_SetSelectable(inst->source);
inst->timeout_id = SCH_AddTimeoutByDelay(0.0, poll_timeout, (void *)inst);
if (inst->lock_ref) {
@@ -519,16 +518,13 @@ poll_timeout(void *arg)
else
stratum = 0;
SRC_SetReachable(inst->source);
SRC_UpdateReachability(inst->source, 1);
SRC_AccumulateSample(inst->source, &sample_time, offset,
inst->delay, dispersion, inst->delay, dispersion, stratum, inst->leap_status);
log_sample(inst, &sample_time, 1, 0, 0.0, offset, dispersion);
inst->missed_samples = 0;
} else {
inst->missed_samples++;
if (inst->missed_samples > 9)
SRC_UnsetReachable(inst->source);
SRC_UpdateReachability(inst->source, 0);
}
}