public void Ctor()
{
Assert.ThrowsException <ArgumentNullException>(() => new MetricManager(telemetryPipeline: null));
var manager = new MetricManager(new MemoryMetricTelemetryPipeline());
Assert.IsNotNull(manager);
Util.CompleteDefaultAggregationCycle(manager);
}
public DefaultAggregationPeriodCycle(MetricAggregationManager aggregationManager, MetricManager metricManager)
{
Util.ValidateNotNull(aggregationManager, nameof(aggregationManager));
Util.ValidateNotNull(metricManager, nameof(metricManager));
this.aggregationManager = aggregationManager;
this.metricManager = metricManager;
this.runningState = RunningState_NotStarted;
this.workerTaskCompletionControl = new TaskCompletionSource <bool>();
this.aggregationThread = null;
}
public void ResetAggregationDateTimeOffset()
{
// Do not start this test in the last 10 secs or first 2 secs of a minute, to make sure the timings below are likely to work out.
while (DateTimeOffset.Now.Second >= 49 || DateTimeOffset.Now.Second < 3)
{
Thread.Sleep(TimeSpan.FromMilliseconds(500));
}
DateTimeOffset startTS = DateTimeOffset.Now;
var aggregateCollector = new MemoryMetricTelemetryPipeline();
var manager = new MetricManager(aggregateCollector);
IMetricSeriesConfiguration config = new MetricSeriesConfigurationForMeasurement(restrictToUInt32Values: false);
MetricSeries series = manager.CreateNewSeries("ns", "Foo Bar", config);
series.TrackValue(0.4);
series.TrackValue(2);
series.TrackValue(-2);
Thread.Sleep(TimeSpan.FromMilliseconds(1500));
DateTimeOffset resetTS = DateTimeOffset.Now;
series.ResetAggregation(resetTS);
series.TrackValue(0.17);
series.TrackValue(0.32);
series.TrackValue(-0.15);
series.TrackValue(1.07);
Assert.AreEqual(0, aggregateCollector.Count);
manager.Flush();
Assert.AreEqual(1, aggregateCollector.Count);
DateTimeOffset endTS = DateTimeOffset.Now;
TestUtil.ValidateNumericAggregateValues(aggregateCollector[0], ns: "ns", name: "Foo Bar", count: 4, sum: 1.41, max: 1.07, min: -0.15, stdDev: 0.447681527427702, aggKindMoniker: "Microsoft.Azure.Measurement");
// The following might break sometimes!
// There is a little chance that second boundary is crossed between startTS and the aggregation timestamps are snapped.
// rerun the test if it happens.
Assert.AreNotEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregateCollector[0].AggregationPeriodStart);
Assert.AreEqual(
new DateTimeOffset(resetTS.Year, resetTS.Month, resetTS.Day, resetTS.Hour, resetTS.Minute, resetTS.Second, 0, resetTS.Offset),
aggregateCollector[0].AggregationPeriodStart);
TestUtil.CompleteDefaultAggregationCycle(manager);
}
public void Properties()
{
var manager = new MetricManager(new MemoryMetricTelemetryPipeline());
IMetricSeriesConfiguration config = new MetricSeriesConfigurationForMeasurement(restrictToUInt32Values: false);
MetricSeries series = manager.CreateNewSeries("Foo Bar", config);
Assert.AreEqual("Foo Bar", series.MetricId);
Assert.AreEqual(config, series.GetConfiguration());
Assert.AreSame(config, series.GetConfiguration());
Util.CompleteDefaultAggregationCycle(manager);
}
public DefaultAggregationPeriodCycle(MetricAggregationManager aggregationManager, MetricManager metricManager)
{
Util.ValidateNotNull(aggregationManager, nameof(aggregationManager));
Util.ValidateNotNull(metricManager, nameof(metricManager));
_workerMethod = this.Run;
_aggregationManager = aggregationManager;
_metricManager = metricManager;
_runningState = RunningState_NotStarted;
_workerTask = null;
}
public void Flush()
{
{
var metricsCollector = new MemoryMetricTelemetryPipeline();
var manager = new MetricManager(metricsCollector);
manager.Flush();
Assert.AreEqual(0, metricsCollector.Count);
TestUtil.CompleteDefaultAggregationCycle(manager);
}
{
var metricsCollector = new MemoryMetricTelemetryPipeline();
var manager = new MetricManager(metricsCollector);
IMetricSeriesConfiguration measurementConfig = new MetricSeriesConfigurationForMeasurement(restrictToUInt32Values: false);
MetricSeries series1 = manager.CreateNewSeries("Test Metrics", "Measurement 1", measurementConfig);
MetricSeries series2 = manager.CreateNewSeries("Test Metrics", "Measurement 2", measurementConfig);
series1.TrackValue(1);
series1.TrackValue(1);
series1.TrackValue(1);
series2.TrackValue(-1);
series2.TrackValue(-1);
series2.TrackValue(-1);
manager.Flush();
Assert.AreEqual(2, metricsCollector.Count);
Assert.AreEqual(1, metricsCollector.Where((item) => item.MetricId.Equals("Measurement 1")).Count());
Assert.AreEqual("Test Metrics", (metricsCollector.First((item) => item.MetricId.Equals("Measurement 1"))).MetricNamespace);
Assert.AreEqual(3, (metricsCollector.First((item) => item.MetricId.Equals("Measurement 1"))).Data["Count"]);
Assert.AreEqual(3.0, (metricsCollector.First((item) => item.MetricId.Equals("Measurement 1"))).Data["Sum"]);
Assert.AreEqual(1, metricsCollector.Where((item) => item.MetricId.Equals("Measurement 2")).Count());
Assert.AreEqual("Test Metrics", (metricsCollector.First((item) => item.MetricId.Equals("Measurement 2"))).MetricNamespace);
Assert.AreEqual(3, (metricsCollector.First((item) => item.MetricId.Equals("Measurement 2"))).Data["Count"]);
Assert.AreEqual(-3.0, (metricsCollector.First((item) => item.MetricId.Equals("Measurement 2"))).Data["Sum"]);
metricsCollector.Clear();
Assert.AreEqual(0, metricsCollector.Count);
manager.Flush();
Assert.AreEqual(0, metricsCollector.Count);
TestUtil.CompleteDefaultAggregationCycle(manager);
}
}
public void TrackValueDouble()
{
DateTimeOffset startTS = DateTimeOffset.Now;
var aggregateCollector = new MemoryMetricTelemetryPipeline();
var manager = new MetricManager(aggregateCollector);
IMetricSeriesConfiguration config = new MetricSeriesConfigurationForMeasurement(restrictToUInt32Values: false);
MetricSeries series = manager.CreateNewSeries("ns", "Foo Bar", config);
Thread.Sleep(1500);
series.TrackValue(0.4);
series.TrackValue(0.8);
series.TrackValue(-0.04);
Assert.AreEqual(0, aggregateCollector.Count);
manager.Flush();
Assert.AreEqual(1, aggregateCollector.Count);
DateTimeOffset endTSRounded = DateTimeOffset.Now;
endTSRounded = new DateTimeOffset(endTSRounded.Year, endTSRounded.Month, endTSRounded.Day, endTSRounded.Hour, endTSRounded.Minute, endTSRounded.Second, 0, endTSRounded.Offset);
TestUtil.ValidateNumericAggregateValues(aggregateCollector[0], ns: "ns", name: "Foo Bar", count: 3, sum: 1.16, max: 0.8, min: -0.04, stdDev: 0.343058142140496, aggKindMoniker: "Microsoft.Azure.Measurement");
// Timestamp checks have to be approximate, since we have no possibilityt to get exact timetamps snapped internally.
// The following might break sometimes!
// There is a little chance that second boundary is crossed between startTS and the aggregation timestamps are snapped.
// rerun the test if it happens.
Assert.AreEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregateCollector[0].AggregationPeriodStart);
const int millisecsTollerance = 50;
long durationMs = (long)aggregateCollector[0].AggregationPeriodDuration.TotalMilliseconds;
Assert.IsTrue(Math.Abs(durationMs - (endTSRounded - aggregateCollector[0].AggregationPeriodStart).TotalMilliseconds) < millisecsTollerance);
Assert.AreEqual(1, aggregateCollector.Count);
aggregateCollector.Clear();
Assert.AreEqual(0, aggregateCollector.Count);
manager.Flush();
Assert.AreEqual(0, aggregateCollector.Count);
TestUtil.CompleteDefaultAggregationCycle(manager);
}
/// <summary>
///
/// </summary>
/// <param name="telemetryPipeline"></param>
/// <returns></returns>
public static MetricManager Metrics(this TelemetryConfiguration telemetryPipeline)
{
if (telemetryPipeline == null)
{
return(null);
}
// Fast path for the default configuration:
if (telemetryPipeline == TelemetryConfiguration.Active)
{
MetricManager manager = s_defaultMetricManager;
if (manager == null)
{
var pipelineAdapter = new ApplicationInsightsTelemetryPipeline(telemetryPipeline);
MetricManager newManager = new MetricManager(pipelineAdapter);
MetricManager prevManager = Interlocked.CompareExchange(ref s_defaultMetricManager, newManager, null);
if (prevManager == null)
{
return(newManager);
}
else
{
Task fireAndForget = newManager.StopDefaultAggregationCycleAsync();
return(prevManager);
}
}
return(manager);
}
// Ok, we have a non-default config. Get the table:
ConditionalWeakTable <TelemetryConfiguration, MetricManager> metricManagers = s_metricManagers;
if (metricManagers == null)
{
ConditionalWeakTable <TelemetryConfiguration, MetricManager> newTable = new ConditionalWeakTable <TelemetryConfiguration, MetricManager>();
ConditionalWeakTable <TelemetryConfiguration, MetricManager> prevTable = Interlocked.CompareExchange(ref s_metricManagers, newTable, null);
metricManagers = prevTable ?? newTable;
}
// Get the manager from the table:
{
MetricManager manager = GetOrGreateFromTable(telemetryPipeline, metricManagers);
return(manager);
}
}
public void CreateNewSeries()
{
var manager = new MetricManager(new MemoryMetricTelemetryPipeline());
IMetricSeriesConfiguration config = new SimpleMetricSeriesConfiguration(restrictToUInt32Values: false);
Assert.ThrowsException <ArgumentNullException>(() => manager.CreateNewSeries(null, config));
Assert.ThrowsException <ArgumentNullException>(() => manager.CreateNewSeries("Foo Bar", null));
MetricSeries series = manager.CreateNewSeries("Foo Bar", config);
Assert.IsNotNull(series);
Assert.AreEqual(config, series.GetConfiguration());
Assert.AreSame(config, series.GetConfiguration());
Assert.AreEqual("Foo Bar", series.MetricId);
Util.CompleteDefaultAggregationCycle(manager);
}
private static MetricManager GetOrGreateFromTable(
TelemetryConfiguration telemetryPipeline,
ConditionalWeakTable <TelemetryConfiguration, MetricManager> metricManagers)
{
MetricManager createdManager = null;
MetricManager chosenManager = metricManagers.GetValue(
telemetryPipeline,
(tp) =>
{
createdManager = new MetricManager(new ApplicationInsightsTelemetryPipeline(tp));
return(createdManager);
});
// If there was a race and we did not end up returning the manager we just created, we will notify it to give up its agregation cycle thread.
if (createdManager != null && false == Object.ReferenceEquals(createdManager, chosenManager))
{
Task fireAndForget = createdManager.StopDefaultAggregationCycleAsync();
}
return(chosenManager);
}
/// <summary>Initializes a metric collection.</summary>
/// <param name="metricManager">The manager that owns the scope of this metric collection.</param>
internal MetricsCollection(MetricManager metricManager)
{
Util.ValidateNotNull(metricManager, nameof(metricManager));
this.metricManager = metricManager;
}
public void GetCurrentAggregateUnsafe_MetricAggregationCycleKind_DateTimeOffset_Measurement()
{
IMetricSeriesConfiguration seriesConfig = new MetricSeriesConfigurationForMeasurement(restrictToUInt32Values: false);
const string aggregationKindMoniker = "Microsoft.Azure.Measurement";
// Do not start this test in the last 10 secs or first 2 secs of a minute, to make sure the timings below are likely to work out.
while (DateTimeOffset.Now.Second >= 49 || DateTimeOffset.Now.Second < 3)
{
Thread.Sleep(TimeSpan.FromMilliseconds(500));
}
DateTimeOffset startTS = DateTimeOffset.Now;
var aggregateCollector = new MemoryMetricTelemetryPipeline();
var manager = new MetricManager(aggregateCollector);
MetricSeries series = manager.CreateNewSeries("ns", "Foo Bar", seriesConfig);
DateTimeOffset stepTS = startTS.AddMinutes(2);
DateTimeOffset stepTSRounded = new DateTimeOffset(stepTS.Year, stepTS.Month, stepTS.Day, stepTS.Hour, stepTS.Minute, stepTS.Second, 0, stepTS.Offset);
{
MetricAggregate aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Default, stepTS);
Assert.IsNull(aggregate);
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Custom, stepTS);
Assert.IsNull(aggregate);
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.QuickPulse, stepTS);
Assert.IsNull(aggregate);
}
series.TrackValue(0.4);
series.TrackValue(2);
series.TrackValue(-2);
stepTS = stepTS.AddMinutes(2);
stepTSRounded = new DateTimeOffset(stepTS.Year, stepTS.Month, stepTS.Day, stepTS.Hour, stepTS.Minute, stepTS.Second, 0, stepTS.Offset);
{
MetricAggregate aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Default, stepTS);
TestUtil.ValidateNumericAggregateValues(aggregate, ns: "ns", name: "Foo Bar", count: 3, sum: 0.4, max: 2, min: -2, stdDev: 1.64384373412506, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
{
Assert.IsFalse(seriesConfig.RequiresPersistentAggregation);
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Custom, stepTS);
Assert.IsNull(aggregate);
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.QuickPulse, stepTS);
Assert.IsNull(aggregate);
}
}
DateTimeOffset customCycleStartTS = stepTS.AddMinutes(1);
manager.StartOrCycleAggregators(MetricAggregationCycleKind.Custom, customCycleStartTS, futureFilter: null);
series.TrackValue(0.17);
series.TrackValue(0.32);
series.TrackValue(-0.15);
series.TrackValue(1.07);
stepTS = stepTS.AddMinutes(2);
stepTSRounded = new DateTimeOffset(stepTS.Year, stepTS.Month, stepTS.Day, stepTS.Hour, stepTS.Minute, stepTS.Second, 0, stepTS.Offset);
{
MetricAggregate aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Default, stepTS);
TestUtil.ValidateNumericAggregateValues(aggregate, ns: "ns", name: "Foo Bar", count: 7, sum: 1.81, max: 2, min: -2, stdDev: 1.13330652229191, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Custom, stepTS);
{
Assert.IsFalse(seriesConfig.RequiresPersistentAggregation);
TestUtil.ValidateNumericAggregateValues(aggregate, ns: "ns", name: "Foo Bar", count: 4, sum: 1.41, max: 1.07, min: -0.15, stdDev: 0.447681527427702, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(customCycleStartTS.Year, customCycleStartTS.Month, customCycleStartTS.Day, customCycleStartTS.Hour, customCycleStartTS.Minute, customCycleStartTS.Second, 0, customCycleStartTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
}
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.QuickPulse, stepTS);
{
Assert.IsFalse(seriesConfig.RequiresPersistentAggregation);
Assert.IsNull(aggregate);
}
}
Thread.Sleep(1500);
DateTimeOffset flushTS = DateTimeOffset.Now;
manager.Flush();
DateTimeOffset quickPulseCycleStartTS = stepTS.AddMinutes(1);
manager.StartOrCycleAggregators(MetricAggregationCycleKind.QuickPulse, quickPulseCycleStartTS, futureFilter: null);
stepTS = stepTS.AddMinutes(2);
stepTSRounded = new DateTimeOffset(stepTS.Year, stepTS.Month, stepTS.Day, stepTS.Hour, stepTS.Minute, stepTS.Second, 0, stepTS.Offset);
{
MetricAggregate aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Default, stepTS);
{
Assert.IsFalse(seriesConfig.RequiresPersistentAggregation);
Assert.IsNull(aggregate);
}
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Custom, stepTS);
{
Assert.IsFalse(seriesConfig.RequiresPersistentAggregation);
// Custom was not cycled by Flush.
TestUtil.ValidateNumericAggregateValues(aggregate, ns: "ns", name: "Foo Bar", count: 4, sum: 1.41, max: 1.07, min: -0.15, stdDev: 0.447681527427702, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(customCycleStartTS.Year, customCycleStartTS.Month, customCycleStartTS.Day, customCycleStartTS.Hour, customCycleStartTS.Minute, customCycleStartTS.Second, 0, customCycleStartTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
manager.StartOrCycleAggregators(MetricAggregationCycleKind.Custom, flushTS, null);
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Custom, stepTS);
Assert.IsNull(aggregate);
}
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.QuickPulse, stepTS);
{
Assert.IsFalse(seriesConfig.RequiresPersistentAggregation);
// We started QP cycle now, but we did not write values since then.
Assert.IsNull(aggregate);
}
}
series.TrackValue(0);
stepTS = stepTS.AddMinutes(2);
stepTSRounded = new DateTimeOffset(stepTS.Year, stepTS.Month, stepTS.Day, stepTS.Hour, stepTS.Minute, stepTS.Second, 0, stepTS.Offset);
manager.StopAggregators(MetricAggregationCycleKind.Custom, stepTS);
{
MetricAggregate aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Default, stepTS);
{
Assert.IsFalse(seriesConfig.RequiresPersistentAggregation);
TestUtil.ValidateNumericAggregateValues(aggregate, ns: "ns", name: "Foo Bar", count: 1, sum: 0, max: 0, min: 0, stdDev: 0, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(flushTS.Year, flushTS.Month, flushTS.Day, flushTS.Hour, flushTS.Minute, flushTS.Second, 0, flushTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
}
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Custom, stepTS);
{
Assert.IsFalse(seriesConfig.RequiresPersistentAggregation);
Assert.IsNull(aggregate);
}
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.QuickPulse, stepTS);
{
Assert.IsFalse(seriesConfig.RequiresPersistentAggregation);
TestUtil.ValidateNumericAggregateValues(aggregate, ns: "ns", name: "Foo Bar", count: 1, sum: 0, max: 0, min: 0, stdDev: 0, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(quickPulseCycleStartTS.Year, quickPulseCycleStartTS.Month, quickPulseCycleStartTS.Day, quickPulseCycleStartTS.Hour, quickPulseCycleStartTS.Minute, quickPulseCycleStartTS.Second, 0, quickPulseCycleStartTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
}
}
TestUtil.CompleteDefaultAggregationCycle(manager);
}
public void GetCurrentAggregateUnsafe_Measurement()
{
IMetricSeriesConfiguration seriesConfig = new MetricSeriesConfigurationForMeasurement(restrictToUInt32Values: false);
const string aggregationKindMoniker = "Microsoft.Azure.Measurement";
// Do not start this test in the last 10 secs or first 2 secs of a minute, to make sure the timings below are likely to work out.
while (DateTimeOffset.Now.Second >= 49 || DateTimeOffset.Now.Second < 3)
{
Thread.Sleep(TimeSpan.FromMilliseconds(500));
}
DateTimeOffset startTS = DateTimeOffset.Now;
var aggregateCollector = new MemoryMetricTelemetryPipeline();
var manager = new MetricManager(aggregateCollector);
MetricSeries series = manager.CreateNewSeries("NS", "Foo Bar", seriesConfig);
{
MetricAggregate aggregate = series.GetCurrentAggregateUnsafe();
Assert.IsNull(aggregate);
}
series.TrackValue(0.4);
series.TrackValue(2);
series.TrackValue(-2);
{
MetricAggregate aggregate = series.GetCurrentAggregateUnsafe();
TestUtil.ValidateNumericAggregateValues(aggregate, ns: "NS", name: "Foo Bar", count: 3, sum: 0.4, max: 2, min: -2, stdDev: 1.64384373412506, aggKindMoniker: aggregationKindMoniker);
// The following might break sometimes!
// There is a little chance that second boundary is crossed between test TS and the aggregation timestamps are snapped.
// rerun the test if it happens.
Assert.AreEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregate.AggregationPeriodStart);
}
series.TrackValue(0.17);
series.TrackValue(0.32);
series.TrackValue(-0.15);
series.TrackValue(1.07);
{
MetricAggregate aggregate = series.GetCurrentAggregateUnsafe();
TestUtil.ValidateNumericAggregateValues(aggregate, ns: "NS", name: "Foo Bar", count: 7, sum: 1.81, max: 2, min: -2, stdDev: 1.13330652229191, aggKindMoniker: aggregationKindMoniker);
// The following might break sometimes!
// There is a little chance that second boundary is crossed between test TS and the aggregation timestamps are snapped.
// rerun the test if it happens.
Assert.AreEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregate.AggregationPeriodStart);
}
Thread.Sleep(1500);
DateTimeOffset flushTS = DateTimeOffset.Now;
manager.Flush();
{
Assert.IsFalse(seriesConfig.RequiresPersistentAggregation);
MetricAggregate aggregate = series.GetCurrentAggregateUnsafe();
Assert.IsNull(aggregate);
}
series.TrackValue(0);
{
MetricAggregate aggregate = series.GetCurrentAggregateUnsafe();
Assert.IsFalse(seriesConfig.RequiresPersistentAggregation);
TestUtil.ValidateNumericAggregateValues(aggregate, ns: "NS", name: "Foo Bar", count: 1, sum: 0, max: 0, min: 0, stdDev: 0, aggKindMoniker: aggregationKindMoniker);
// The following might break sometimes!
// There is a little chance that second boundary is crossed between test TS and the aggregation timestamps are snapped.
// rerun the test if it happens.
Assert.AreEqual(
new DateTimeOffset(flushTS.Year, flushTS.Month, flushTS.Day, flushTS.Hour, flushTS.Minute, flushTS.Second, 0, flushTS.Offset),
aggregate.AggregationPeriodStart);
}
TestUtil.CompleteDefaultAggregationCycle(manager);
}
public void GetCurrentAggregateUnsafe_MetricAggregationCycleKind_DateTimeOffset_Accumulator()
{
IMetricSeriesConfiguration seriesConfig = new MetricSeriesConfigurationForAccumulator(restrictToUInt32Values: false);
const string aggregationKindMoniker = "Microsoft.Azure.Accumulator";
// Do not start this test in the last 10 secs or first 2 secs of a minute, to make sure the timings below are likely to work out.
while (DateTimeOffset.Now.Second >= 49 || DateTimeOffset.Now.Second < 3)
{
Thread.Sleep(TimeSpan.FromMilliseconds(500));
}
DateTimeOffset startTS = DateTimeOffset.Now;
var aggregateCollector = new MemoryMetricTelemetryPipeline();
var manager = new MetricManager(aggregateCollector);
MetricSeries series = manager.CreateNewSeries("ns", "Foo Bar", seriesConfig);
DateTimeOffset stepTS = startTS.AddMinutes(2);
DateTimeOffset stepTSRounded = new DateTimeOffset(stepTS.Year, stepTS.Month, stepTS.Day, stepTS.Hour, stepTS.Minute, stepTS.Second, 0, stepTS.Offset);
{
MetricAggregate aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Default, stepTS);
Assert.IsNull(aggregate);
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Custom, stepTS);
Assert.IsNull(aggregate);
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.QuickPulse, stepTS);
Assert.IsNull(aggregate);
}
series.TrackValue(0.4);
series.TrackValue(2);
series.TrackValue(-2);
stepTS = stepTS.AddMinutes(2);
stepTSRounded = new DateTimeOffset(stepTS.Year, stepTS.Month, stepTS.Day, stepTS.Hour, stepTS.Minute, stepTS.Second, 0, stepTS.Offset);
{
MetricAggregate aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Default, stepTS);
Util.ValidateNumericAggregateValues(aggregate, name: "Foo Bar", count: 0, sum: 0.4, max: 2.4, min: 0.4, stdDev: 0, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
{
Assert.IsTrue(seriesConfig.RequiresPersistentAggregation);
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Custom, stepTS);
Util.ValidateNumericAggregateValues(aggregate, name: "Foo Bar", count: 0, sum: 0.4, max: 2.4, min: 0.4, stdDev: 0, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.QuickPulse, stepTS);
Util.ValidateNumericAggregateValues(aggregate, name: "Foo Bar", count: 0, sum: 0.4, max: 2.4, min: 0.4, stdDev: 0, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
}
}
DateTimeOffset customCycleStartTS = stepTS.AddMinutes(1);
manager.StartOrCycleAggregators(MetricAggregationCycleKind.Custom, customCycleStartTS, futureFilter: null);
series.TrackValue(0.17);
series.TrackValue(0.32);
series.TrackValue(-0.15);
series.TrackValue(1.07);
stepTS = stepTS.AddMinutes(2);
stepTSRounded = new DateTimeOffset(stepTS.Year, stepTS.Month, stepTS.Day, stepTS.Hour, stepTS.Minute, stepTS.Second, 0, stepTS.Offset);
{
MetricAggregate aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Default, stepTS);
Util.ValidateNumericAggregateValues(aggregate, name: "Foo Bar", count: 0, sum: 1.81, max: 2.4, min: 0.4, stdDev: 0, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Custom, stepTS);
{
Assert.IsTrue(seriesConfig.RequiresPersistentAggregation);
Util.ValidateNumericAggregateValues(aggregate, name: "Foo Bar", count: 0, sum: 1.81, max: 2.4, min: 0.4, stdDev: 0, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
}
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.QuickPulse, stepTS);
{
Assert.IsTrue(seriesConfig.RequiresPersistentAggregation);
Util.ValidateNumericAggregateValues(aggregate, name: "Foo Bar", count: 0, sum: 1.81, max: 2.4, min: 0.4, stdDev: 0, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
}
}
Thread.Sleep(1500);
DateTimeOffset flushTS = DateTimeOffset.Now;
manager.Flush();
DateTimeOffset quickPulseCycleStartTS = stepTS.AddMinutes(1);
manager.StartOrCycleAggregators(MetricAggregationCycleKind.QuickPulse, quickPulseCycleStartTS, futureFilter: null);
stepTS = stepTS.AddMinutes(2);
stepTSRounded = new DateTimeOffset(stepTS.Year, stepTS.Month, stepTS.Day, stepTS.Hour, stepTS.Minute, stepTS.Second, 0, stepTS.Offset);
{
MetricAggregate aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Default, stepTS);
{
Assert.IsTrue(seriesConfig.RequiresPersistentAggregation);
Util.ValidateNumericAggregateValues(aggregate, name: "Foo Bar", count: 0, sum: 1.81, max: 2.4, min: 0.4, stdDev: 0, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
}
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Custom, stepTS);
{
Assert.IsTrue(seriesConfig.RequiresPersistentAggregation);
Util.ValidateNumericAggregateValues(aggregate, name: "Foo Bar", count: 0, sum: 1.81, max: 2.4, min: 0.4, stdDev: 0, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
}
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.QuickPulse, stepTS);
{
Assert.IsTrue(seriesConfig.RequiresPersistentAggregation);
Util.ValidateNumericAggregateValues(aggregate, name: "Foo Bar", count: 0, sum: 1.81, max: 2.4, min: 0.4, stdDev: 0, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
}
}
series.TrackValue(0);
series.TrackValue(-10);
stepTS = stepTS.AddMinutes(2);
stepTSRounded = new DateTimeOffset(stepTS.Year, stepTS.Month, stepTS.Day, stepTS.Hour, stepTS.Minute, stepTS.Second, 0, stepTS.Offset);
manager.StopAggregators(MetricAggregationCycleKind.Custom, stepTS);
{
MetricAggregate aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Default, stepTS);
{
Assert.IsTrue(seriesConfig.RequiresPersistentAggregation);
Util.ValidateNumericAggregateValues(aggregate, name: "Foo Bar", count: 0, sum: -8.19, max: 2.4, min: -8.19, stdDev: 0, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
}
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.Custom, stepTS);
if (seriesConfig.RequiresPersistentAggregation)
{
Util.ValidateNumericAggregateValues(aggregate, name: "Foo Bar", count: 0, sum: -8.19, max: 2.4, min: -8.19, stdDev: 0, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
}
else
{
Assert.IsNull(aggregate);
}
aggregate = series.GetCurrentAggregateUnsafe(MetricAggregationCycleKind.QuickPulse, stepTS);
{
Assert.IsTrue(seriesConfig.RequiresPersistentAggregation);
Util.ValidateNumericAggregateValues(aggregate, name: "Foo Bar", count: 0, sum: -8.19, max: 2.4, min: -8.19, stdDev: 0, aggKindMoniker: aggregationKindMoniker);
// This might break: Second boundary might be crossed between snapping test and the aggregation timestamps. Try re-running.
Assert.AreEqual(
new DateTimeOffset(startTS.Year, startTS.Month, startTS.Day, startTS.Hour, startTS.Minute, startTS.Second, 0, startTS.Offset),
aggregate.AggregationPeriodStart);
Assert.AreEqual(
(stepTSRounded - aggregate.AggregationPeriodStart).TotalMilliseconds,
aggregate.AggregationPeriodDuration.TotalMilliseconds);
}
}
Util.CompleteDefaultAggregationCycle(manager);
}
/// <summary>
/// Ctor facade that can be used to pass as a function pointer without a local lambda instantiation.
/// </summary>
/// <param name="metricManager"></param>
/// <returns></returns>
public static MetricsCache CreateNewInstance(MetricManager metricManager)
{
return(new MetricsCache(metricManager));
}
private MetricsCache(MetricManager metricManager)
{
Util.ValidateNotNull(metricManager, nameof(metricManager));
_metricManager = metricManager;
}
