private SpanContext CreateChildContext()
{
SpanContext preferredReference = PreferredReference();
if (IsRpcServer())
{
if (IsSampled())
{
_tracer.Metrics.TracesJoinedSampled.Inc(1);
}
else
{
_tracer.Metrics.TracesJoinedNotSampled.Inc(1);
}
// Zipkin server compatibility
if (_tracer.ZipkinSharedRpcSpan)
{
return(preferredReference);
}
}
return(new SpanContext(
preferredReference.TraceId,
SpanId.NewUniqueId(),
preferredReference.SpanId,
// should we do OR across passed references?
preferredReference.Flags,
CreateChildBaggage(),
null));
}
