public void OnNext(KeyValuePair <string, object?> value)
{
var activity = Activity.Current;
if (activity == null)
{
return;
}
if (value.Key.EndsWith(".Stop"))
{
var serviceAttribute = activity.Tags.FirstOrDefault(tag => tag.Key == CouchbaseTags.Service);
if (serviceAttribute.Value == null)
{
return;
}
if (_serviceThresholds.TryGetValue(serviceAttribute.Value, out var threshold))
{
if (activity.Duration > threshold)
{
var summary = ThresholdSummary.FromActivity(activity);
ServiceThresholdQueue.AddByService(serviceAttribute.Value, summary);
}
}
}
}
public static bool AddByService(string serviceName, ThresholdSummary overThresholdSummary)
{
if (CoreQueues.TryGetValue(serviceName, out var serviceQueue))
{
serviceQueue.Add(overThresholdSummary);
return(true);
}
return(false);
}
private void Add(ThresholdSummary overThresholdEvent)
{
// Don't add while sample reporting is being done.
// We don't care otherwise if Add races a little against other adds.
ReportIdle.Wait();
Interlocked.Increment(ref _sampleCount);
_latestEvents.Enqueue(overThresholdEvent);
if (_latestEvents.Count > _sampleSize)
{
_latestEvents.TryDequeue(out var oldest);
}
}