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sources: add flag that source is active

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When source is set as active, it's receiving reachability updates (e.g.
offline NTP sources are not active).

Also add function to count active sources.
This commit is contained in:
Miroslav Lichvar
2014-04-10 16:53:28 +02:00
parent bc6b40568d
commit 8671002bd7
4 changed files with 60 additions and 12 deletions
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34
sources.c
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@@ -91,6 +91,9 @@ struct SRC_Instance_Record {
/* Flag indicating that we can use this source as a reference */
int selectable;
/* Flag indicating that the source is updating reachability */
int active;
/* Reachability register */
int reachability;
@@ -215,6 +218,7 @@ SRC_Instance SRC_CreateNewInstance(uint32_t ref_id, SRC_Type type, SRC_SelectOpt
result->leap_status = LEAP_Normal;
result->ref_id = ref_id;
result->ip_addr = addr;
result->active = 0;
result->selectable = 0;
result->reachability = 0;
result->reachability_size = 0;
@@ -316,6 +320,22 @@ void SRC_AccumulateSample
/* ================================================== */
void
SRC_SetActive(SRC_Instance inst)
{
inst->active = 1;
}
/* ================================================== */
void
SRC_UnsetActive(SRC_Instance inst)
{
inst->active = 0;
}
/* ================================================== */
void
SRC_SetSelectable(SRC_Instance inst)
{
@@ -1188,6 +1208,20 @@ SRC_ReadNumberOfSources(void)
/* ================================================== */
int
SRC_ActiveSources(void)
{
int i, r;
for (i = r = 0; i < n_sources; i++)
if (sources[i]->active)
r++;
return r;
}
/* ================================================== */
int
SRC_ReportSource(int index, RPT_SourceReport *report, struct timeval *now)
{