internal MetricPoint(
AggregatorStore aggregatorStore,
AggregationType aggType,
string[] keys,
object[] values,
double[] histogramExplicitBounds)
{
Debug.Assert(aggregatorStore != null, "AggregatorStore was null.");
Debug.Assert((keys?.Length ?? 0) == (values?.Length ?? 0), "Key and value array lengths did not match.");
Debug.Assert(histogramExplicitBounds != null, "Histogram explicit Bounds was null.");
this.aggType = aggType;
this.Tags = new ReadOnlyTagCollection(keys, values);
this.runningValue = default;
this.snapshotValue = default;
this.deltaLastValue = default;
this.MetricPointStatus = MetricPointStatus.NoCollectPending;
if (this.aggType == AggregationType.Histogram)
{
this.histogramBuckets = new HistogramBuckets(histogramExplicitBounds);
}
else if (this.aggType == AggregationType.HistogramSumCount)
{
this.histogramBuckets = new HistogramBuckets(null);
}
else
{
this.histogramBuckets = null;
}
// Note: Intentionally set last because this is used to detect valid MetricPoints.
this.aggregatorStore = aggregatorStore;
}
internal Metric(
MetricStreamIdentity instrumentIdentity,
AggregationTemporality temporality,
int maxMetricPointsPerMetricStream,
double[] histogramBounds = null,
string[] tagKeysInteresting = null)
{
this.InstrumentIdentity = instrumentIdentity;
AggregationType aggType;
if (instrumentIdentity.InstrumentType == typeof(ObservableCounter <long>) ||
instrumentIdentity.InstrumentType == typeof(ObservableCounter <int>) ||
instrumentIdentity.InstrumentType == typeof(ObservableCounter <short>) ||
instrumentIdentity.InstrumentType == typeof(ObservableCounter <byte>))
{
aggType = AggregationType.LongSumIncomingCumulative;
this.MetricType = MetricType.LongSum;
}
else if (instrumentIdentity.InstrumentType == typeof(Counter <long>) ||
instrumentIdentity.InstrumentType == typeof(Counter <int>) ||
instrumentIdentity.InstrumentType == typeof(Counter <short>) ||
instrumentIdentity.InstrumentType == typeof(Counter <byte>))
{
aggType = AggregationType.LongSumIncomingDelta;
this.MetricType = MetricType.LongSum;
}
else if (instrumentIdentity.InstrumentType == typeof(Counter <double>) ||
instrumentIdentity.InstrumentType == typeof(Counter <float>))
{
aggType = AggregationType.DoubleSumIncomingDelta;
this.MetricType = MetricType.DoubleSum;
}
else if (instrumentIdentity.InstrumentType == typeof(ObservableCounter <double>) ||
instrumentIdentity.InstrumentType == typeof(ObservableCounter <float>))
{
aggType = AggregationType.DoubleSumIncomingCumulative;
this.MetricType = MetricType.DoubleSum;
}
else if (instrumentIdentity.InstrumentType == typeof(ObservableGauge <double>) ||
instrumentIdentity.InstrumentType == typeof(ObservableGauge <float>))
{
aggType = AggregationType.DoubleGauge;
this.MetricType = MetricType.DoubleGauge;
}
else if (instrumentIdentity.InstrumentType == typeof(ObservableGauge <long>) ||
instrumentIdentity.InstrumentType == typeof(ObservableGauge <int>) ||
instrumentIdentity.InstrumentType == typeof(ObservableGauge <short>) ||
instrumentIdentity.InstrumentType == typeof(ObservableGauge <byte>))
{
aggType = AggregationType.LongGauge;
this.MetricType = MetricType.LongGauge;
}
else if (instrumentIdentity.InstrumentType == typeof(Histogram <long>) ||
instrumentIdentity.InstrumentType == typeof(Histogram <int>) ||
instrumentIdentity.InstrumentType == typeof(Histogram <short>) ||
instrumentIdentity.InstrumentType == typeof(Histogram <byte>) ||
instrumentIdentity.InstrumentType == typeof(Histogram <float>) ||
instrumentIdentity.InstrumentType == typeof(Histogram <double>))
{
this.MetricType = MetricType.Histogram;
if (histogramBounds != null &&
histogramBounds.Length == 0)
{
aggType = AggregationType.HistogramSumCount;
}
else
{
aggType = AggregationType.Histogram;
}
}
else
{
throw new NotSupportedException($"Unsupported Instrument Type: {instrumentIdentity.InstrumentType.FullName}");
}
this.aggStore = new AggregatorStore(instrumentIdentity.InstrumentName, aggType, temporality, maxMetricPointsPerMetricStream, histogramBounds ?? DefaultHistogramBounds, tagKeysInteresting);
this.Temporality = temporality;
this.InstrumentDisposed = false;
}
internal Metric(
Instrument instrument,
AggregationTemporality temporality,
string metricName,
string metricDescription,
double[] histogramBounds = null,
string[] tagKeysInteresting = null)
{
this.Name = metricName;
this.Description = metricDescription ?? string.Empty;
this.Unit = instrument.Unit ?? string.Empty;
this.Meter = instrument.Meter;
AggregationType aggType = default;
if (instrument.GetType() == typeof(ObservableCounter <long>) ||
instrument.GetType() == typeof(ObservableCounter <int>) ||
instrument.GetType() == typeof(ObservableCounter <short>) ||
instrument.GetType() == typeof(ObservableCounter <byte>))
{
aggType = AggregationType.LongSumIncomingCumulative;
this.MetricType = MetricType.LongSum;
}
else if (instrument.GetType() == typeof(Counter <long>) ||
instrument.GetType() == typeof(Counter <int>) ||
instrument.GetType() == typeof(Counter <short>) ||
instrument.GetType() == typeof(Counter <byte>))
{
aggType = AggregationType.LongSumIncomingDelta;
this.MetricType = MetricType.LongSum;
}
else if (instrument.GetType() == typeof(Counter <double>) ||
instrument.GetType() == typeof(Counter <float>))
{
aggType = AggregationType.DoubleSumIncomingDelta;
this.MetricType = MetricType.DoubleSum;
}
else if (instrument.GetType() == typeof(ObservableCounter <double>) ||
instrument.GetType() == typeof(ObservableCounter <float>))
{
aggType = AggregationType.DoubleSumIncomingCumulative;
this.MetricType = MetricType.DoubleSum;
}
else if (instrument.GetType() == typeof(ObservableGauge <double>) ||
instrument.GetType() == typeof(ObservableGauge <float>))
{
aggType = AggregationType.DoubleGauge;
this.MetricType = MetricType.DoubleGauge;
}
else if (instrument.GetType() == typeof(ObservableGauge <long>) ||
instrument.GetType() == typeof(ObservableGauge <int>) ||
instrument.GetType() == typeof(ObservableGauge <short>) ||
instrument.GetType() == typeof(ObservableGauge <byte>))
{
aggType = AggregationType.LongGauge;
this.MetricType = MetricType.LongGauge;
}
else if (instrument.GetType() == typeof(Histogram <long>) ||
instrument.GetType() == typeof(Histogram <int>) ||
instrument.GetType() == typeof(Histogram <short>) ||
instrument.GetType() == typeof(Histogram <byte>) ||
instrument.GetType() == typeof(Histogram <float>) ||
instrument.GetType() == typeof(Histogram <double>))
{
this.MetricType = MetricType.Histogram;
if (histogramBounds != null &&
histogramBounds.Length == 0)
{
aggType = AggregationType.HistogramSumCount;
}
else
{
aggType = AggregationType.Histogram;
}
}
else
{
// TODO: Log and assign some invalid Enum.
}
this.aggStore = new AggregatorStore(aggType, temporality, histogramBounds ?? DefaultHistogramBounds, tagKeysInteresting);
this.Temporality = temporality;
this.InstrumentDisposed = false;
}
internal MeterProviderSdk(
Resource resource,
IEnumerable <string> meterSources,
List <MeterProviderBuilderSdk.InstrumentationFactory> instrumentationFactories,
MetricProcessor[] metricProcessors)
{
this.Resource = resource;
// TODO: Replace with single CompositeProcessor.
this.metricProcessors.AddRange(metricProcessors);
foreach (var processor in this.metricProcessors)
{
processor.SetGetMetricFunction(this.Collect);
processor.SetParentProvider(this);
}
if (instrumentationFactories.Any())
{
foreach (var instrumentationFactory in instrumentationFactories)
{
this.instrumentations.Add(instrumentationFactory.Factory());
}
}
// Setup Listener
var meterSourcesToSubscribe = new Dictionary <string, bool>(StringComparer.OrdinalIgnoreCase);
foreach (var name in meterSources)
{
meterSourcesToSubscribe[name] = true;
}
this.listener = new MeterListener()
{
InstrumentPublished = (instrument, listener) =>
{
if (meterSourcesToSubscribe.ContainsKey(instrument.Meter.Name))
{
var aggregatorStore = new AggregatorStore(instrument);
// Lock to prevent new instrument (aggregatorstore)
// from being added while Collect is going on.
lock (this.collectLock)
{
this.AggregatorStores.TryAdd(aggregatorStore, true);
listener.EnableMeasurementEvents(instrument, aggregatorStore);
}
}
},
MeasurementsCompleted = (instrument, state) => this.MeasurementsCompleted(instrument, state),
};
// Everything double
this.listener.SetMeasurementEventCallback <double>((i, m, l, c) => this.MeasurementRecorded(i, m, l, c));
this.listener.SetMeasurementEventCallback <float>((i, m, l, c) => this.MeasurementRecorded(i, (double)m, l, c));
// Everything long
this.listener.SetMeasurementEventCallback <long>((i, m, l, c) => this.MeasurementRecorded(i, m, l, c));
this.listener.SetMeasurementEventCallback <int>((i, m, l, c) => this.MeasurementRecorded(i, (long)m, l, c));
this.listener.SetMeasurementEventCallback <short>((i, m, l, c) => this.MeasurementRecorded(i, (long)m, l, c));
this.listener.SetMeasurementEventCallback <byte>((i, m, l, c) => this.MeasurementRecorded(i, (long)m, l, c));
this.listener.Start();
}