public void ViewToDropSingleInstrument()
{
using var meter = new Meter("ViewToDropSingleInstrumentTest");
var exportedItems = new List <Metric>();
using var meterProvider = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter.Name)
.AddView("counterNotInteresting", new MetricStreamConfiguration()
{
Aggregation = Aggregation.Drop
})
.AddInMemoryExporter(exportedItems)
.Build();
// Expecting one metric stream.
var counterInteresting = meter.CreateCounter <long>("counterInteresting");
var counterNotInteresting = meter.CreateCounter <long>("counterNotInteresting");
counterInteresting.Add(10);
counterNotInteresting.Add(10);
meterProvider.ForceFlush(MaxTimeToAllowForFlush);
Assert.Single(exportedItems);
var metric = exportedItems[0];
Assert.Equal("counterInteresting", metric.Name);
}
public void ViewToDropMultipleInstruments()
{
using var meter = new Meter(Utils.GetCurrentMethodName());
var exportedItems = new List <Metric>();
using var meterProvider = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter.Name)
.AddView("server*", MetricStreamConfiguration.Drop)
.AddInMemoryExporter(exportedItems)
.Build();
// Expecting two client metric streams as both server* are dropped.
var serverRequests = meter.CreateCounter <long>("server.requests");
var serverExceptions = meter.CreateCounter <long>("server.exceptions");
var clientRequests = meter.CreateCounter <long>("client.requests");
var clientExceptions = meter.CreateCounter <long>("client.exceptions");
serverRequests.Add(10);
serverExceptions.Add(10);
clientRequests.Add(10);
clientExceptions.Add(10);
meterProvider.ForceFlush(MaxTimeToAllowForFlush);
Assert.Equal(2, exportedItems.Count);
Assert.Equal("client.requests", exportedItems[0].Name);
Assert.Equal("client.exceptions", exportedItems[1].Name);
}
public void ViewToRenameMetricWildCardMatch()
{
using var meter1 = new Meter("ViewToRenameMetricWildCardMatchTest");
var exportedItems = new List <Metric>();
using var meterProvider = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter1.Name)
.AddView("counter*", "renamed")
.AddInMemoryExporter(exportedItems)
.Build();
// Expecting one metric stream.
var counter1 = meter1.CreateCounter <long>("counterA");
counter1.Add(10);
var counter2 = meter1.CreateCounter <long>("counterB");
counter2.Add(10);
var counter3 = meter1.CreateCounter <long>("counterC");
counter3.Add(10);
meterProvider.ForceFlush(MaxTimeToAllowForFlush);
// counter* matches all 3 instruments which all
// becomes "renamed" and only 1st one is exported.
Assert.Single(exportedItems);
var metric = exportedItems[0];
Assert.Equal("renamed", metric.Name);
}
public void ViewConflict_TwoIdenticalInstruments_TwoViews_DifferentTags()
{
var exportedItems = new List <Metric>();
using var meter = new Meter($"{Utils.GetCurrentMethodName()}");
var meterProviderBuilder = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter.Name)
.AddView((instrument) =>
{
return(new MetricStreamConfiguration {
TagKeys = new[] { "key1" }
});
})
.AddView((instrument) =>
{
return(new MetricStreamConfiguration {
TagKeys = new[] { "key2" }
});
})
.AddInMemoryExporter(exportedItems);
using var meterProvider = meterProviderBuilder.Build();
var instrument1 = meter.CreateCounter <long>("name");
var instrument2 = meter.CreateCounter <long>("name");
var tags = new KeyValuePair <string, object>[]
{
new("key1", "value"),
new("key2", "value"),
};
instrument1.Add(10, tags);
instrument2.Add(10, tags);
meterProvider.ForceFlush(MaxTimeToAllowForFlush);
Assert.Equal(2, exportedItems.Count);
var metric1 = new List <Metric>()
{
exportedItems[0]
};
var metric2 = new List <Metric>()
{
exportedItems[1]
};
var tag1 = new List <KeyValuePair <string, object> > {
tags[0]
};
var tag2 = new List <KeyValuePair <string, object> > {
tags[1]
};
Assert.Equal("name", exportedItems[0].Name);
Assert.Equal("name", exportedItems[1].Name);
Assert.Equal(20, GetLongSum(metric1));
Assert.Equal(20, GetLongSum(metric2));
CheckTagsForNthMetricPoint(metric1, tag1, 1);
CheckTagsForNthMetricPoint(metric2, tag2, 1);
}
public void StreamNamesDuplicatesAreNotAllowedTest(AggregationTemporality temporality)
{
var metricItems = new List <Metric>();
int metricCount = 0;
var metricExporter = new TestExporter <Metric>(ProcessExport);
void ProcessExport(Batch <Metric> batch)
{
foreach (var metric in batch)
{
metricCount++;
}
}
var metricReader = new BaseExportingMetricReader(metricExporter)
{
PreferredAggregationTemporality = temporality,
};
using var meter1 = new Meter("TestDuplicateMetricName1");
using var meter2 = new Meter("TestDuplicateMetricName2");
using var meterProvider = Sdk.CreateMeterProviderBuilder()
.AddMeter("TestDuplicateMetricName1")
.AddMeter("TestDuplicateMetricName2")
.AddReader(metricReader)
.Build();
// Expecting one metric stream.
var counterLong = meter1.CreateCounter <long>("name1");
counterLong.Add(10);
metricReader.Collect();
Assert.Equal(1, metricCount);
// The following will be ignored as
// metric of same name exists.
// Metric stream will remain one.
var anotherCounterSameName = meter1.CreateCounter <long>("name1");
anotherCounterSameName.Add(10);
metricCount = 0;
metricReader.Collect();
Assert.Equal(1, metricCount);
// The following will also be ignored
// as the name is same.
// (the Meter name is not part of stream name)
var anotherCounterSameNameDiffMeter = meter2.CreateCounter <long>("name1");
anotherCounterSameNameDiffMeter.Add(10);
metricCount = 0;
metricReader.Collect();
Assert.Equal(1, metricCount);
}
public JoinRequestMessageHandler(NetworkServerConfiguration configuration,
IConcentratorDeduplication concentratorDeduplication,
ILoRaDeviceRegistry deviceRegistry,
ILogger <JoinRequestMessageHandler> logger,
Meter meter)
{
this.configuration = configuration;
this.concentratorDeduplication = concentratorDeduplication;
this.deviceRegistry = deviceRegistry;
this.joinRequestCounter = meter?.CreateCounter <int>(MetricRegistry.JoinRequests);
this.logger = logger;
this.receiveWindowHits = meter?.CreateCounter <int>(MetricRegistry.ReceiveWindowHits);
this.receiveWindowMisses = meter?.CreateCounter <int>(MetricRegistry.ReceiveWindowMisses);
this.unhandledExceptionCount = meter?.CreateCounter <int>(MetricRegistry.UnhandledExceptions);
}
public void MultithreadedLongCounterTest()
{
var exportedItems = new List <Metric>();
using var meter = new Meter(Utils.GetCurrentMethodName());
var counterLong = meter.CreateCounter <long>("mycounter");
using var meterProvider = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter.Name)
.AddReader(new BaseExportingMetricReader(new InMemoryExporter <Metric>(exportedItems))
{
Temporality = AggregationTemporality.Cumulative,
})
.Build();
// setup args to threads.
var mreToBlockUpdateThreads = new ManualResetEvent(false);
var mreToEnsureAllThreadsStarted = new ManualResetEvent(false);
var argToThread = new UpdateThreadArguments <long>();
argToThread.DeltaValueUpdatedByEachCall = deltaLongValueUpdatedByEachCall;
argToThread.Counter = counterLong;
argToThread.ThreadsStartedCount = 0;
argToThread.MreToBlockUpdateThread = mreToBlockUpdateThreads;
argToThread.MreToEnsureAllThreadsStart = mreToEnsureAllThreadsStarted;
Thread[] t = new Thread[numberOfThreads];
for (int i = 0; i < numberOfThreads; i++)
{
t[i] = new Thread(CounterUpdateThread <long>);
t[i].Start(argToThread);
}
// Block until all threads started.
mreToEnsureAllThreadsStarted.WaitOne();
Stopwatch sw = Stopwatch.StartNew();
// unblock all the threads.
// (i.e let them start counter.Add)
mreToBlockUpdateThreads.Set();
for (int i = 0; i < numberOfThreads; i++)
{
// wait for all threads to complete
t[i].Join();
}
var timeTakenInMilliseconds = sw.ElapsedMilliseconds;
this.output.WriteLine($"Took {timeTakenInMilliseconds} msecs. Total threads: {numberOfThreads}, each thread doing {numberOfMetricUpdateByEachThread} recordings.");
meterProvider.ForceFlush(MaxTimeToAllowForFlush);
var sumReceived = GetLongSum(exportedItems);
var expectedSum = deltaLongValueUpdatedByEachCall * numberOfMetricUpdateByEachThread * numberOfThreads;
Assert.Equal(expectedSum, sumReceived);
}
private void ApplicationInsights_Metrics_Collection_Raises_Counter_Metrics <T>(T[] metricValues, double[] expectedReportedValues)
where T : struct
{
// arrange
const string gateway = "foogateway";
using var meter = new Meter("LoRaWan", "1.0");
var counter = meter.CreateCounter <T>(CounterMetric.Name);
// act
applicationInsightsMetricExporter.Start();
foreach (var val in metricValues)
{
counter.Add(val, KeyValuePair.Create(MetricRegistry.ConcentratorIdTagName, (object)gateway));
}
// assert
foreach (var expectedReportedValue in expectedReportedValues)
{
this.trackValueMock.Verify(me => me.Invoke(It.Is <Metric>(m => m.Identifier.MetricNamespace == MetricRegistry.Namespace &&
m.Identifier.MetricId == CounterMetric.Name),
expectedReportedValue,
new[] { gateway }),
Times.Once);
}
}
public void InMemoryExporterShouldDeepCopyMetricPoints()
{
var metrics = new List <Metric>();
using var meter = new Meter(Utils.GetCurrentMethodName());
using var meterProvider = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter.Name)
.AddReader(new BaseExportingMetricReader(new InMemoryExporter <Metric>(metrics))
{
PreferredAggregationTemporality = AggregationTemporality.Delta,
})
.Build();
var counter = meter.CreateCounter <long>("meter");
// Emit 10 for the MetricPoint with a single key-vaue pair: ("tag1", "value1")
counter.Add(10, new KeyValuePair <string, object>("tag1", "value1"));
meterProvider.ForceFlush();
var metric = metrics[0]; // Only one Metric object is added to the collection at this point
var metricPointsEnumerator = metric.GetMetricPoints().GetEnumerator();
Assert.True(metricPointsEnumerator.MoveNext()); // One MetricPoint is emitted for the Metric
ref var metricPointForFirstExport = ref metricPointsEnumerator.Current;
public void ExportOnlyWhenPointChanged(AggregationTemporality temporality)
{
using var meter = new Meter($"{Utils.GetCurrentMethodName()}.{temporality}");
var exportedItems = new List <Metric>();
using var meterProvider = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter.Name)
.AddReader(
new BaseExportingMetricReader(new InMemoryExporter <Metric>(exportedItems))
{
Temporality = temporality,
})
.Build();
var counter = meter.CreateCounter <long>("meter");
counter.Add(10, new KeyValuePair <string, object>("tag1", "value1"));
meterProvider.ForceFlush();
Assert.Single(exportedItems);
exportedItems.Clear();
meterProvider.ForceFlush();
if (temporality == AggregationTemporality.Cumulative)
{
Assert.Single(exportedItems);
}
else
{
Assert.Empty(exportedItems);
}
}
public void ValidateMetricTelemetryItem()
{
var metrics = new List <Metric>();
using var meter = new Meter(nameof(ValidateMetricTelemetryItem));
using var provider = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter.Name)
.AddInMemoryExporter(metrics)
.Build();
var doubleCounter = meter.CreateCounter <double>("TestDoubleCounter");
doubleCounter.Add(123.45);
provider.ForceFlush();
var telemetryItems = MetricHelper.OtelToAzureMonitorMetrics(new Batch <Metric>(metrics.ToArray(), 1), "testRoleName", "testRoleInstance", "00000000-0000-0000-0000-000000000000");
Assert.Single(telemetryItems);
Assert.Equal("MetricData", telemetryItems[0].Data.BaseType);
Assert.Equal("00000000-0000-0000-0000-000000000000", telemetryItems[0].InstrumentationKey);
Assert.Equal("testRoleName", telemetryItems[0].Tags[ContextTagKeys.AiCloudRole.ToString()]);
Assert.Equal("testRoleInstance", telemetryItems[0].Tags[ContextTagKeys.AiCloudRoleInstance.ToString()]);
var metricsData = (MetricsData)telemetryItems[0].Data.BaseData;
Assert.Equal(2, metricsData.Version);
Assert.Equal("TestDoubleCounter", metricsData.Metrics.First().Name);
Assert.Equal(123.45, metricsData.Metrics.First().Value);
Assert.Equal(DataPointType.Aggregation, metricsData.Metrics.First().DataPointType);
Assert.Equal(1, metricsData.Properties.Count);
Assert.Equal("60000", metricsData.Properties["_MS.AggregationIntervalMs"]);
}
public void ViewToProduceMultipleStreamsWithDuplicatesFromInstrument()
{
using var meter1 = new Meter("ViewToProduceMultipleStreamsWithDuplicatesFromInstrumentTest");
var exportedItems = new List <Metric>();
using var meterProvider = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter1.Name)
.AddView("name1", "renamedStream1")
.AddView("name1", "renamedStream2")
.AddView("name1", "renamedStream2")
.AddInMemoryExporter(exportedItems)
.Build();
// Expecting two metric stream.
// the .AddView("name1", "renamedStream2")
// won't produce new Metric as the name
// conflicts.
var counterLong = meter1.CreateCounter <long>("name1");
counterLong.Add(10);
meterProvider.ForceFlush(MaxTimeToAllowForFlush);
Assert.Equal(2, exportedItems.Count);
Assert.Equal("renamedStream1", exportedItems[0].Name);
Assert.Equal("renamedStream2", exportedItems[1].Name);
}
public void AddViewWithInvalidHistogramBoundsIgnored(double[] boundaries)
{
var exportedItems = new List <Metric>();
using var meter1 = new Meter("AddViewWithInvalidHistogramBoundsIgnored");
var counter1 = meter1.CreateCounter <long>("counter1");
using (var provider = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter1.Name)
.AddView((instrument) =>
{
return(instrument.Name == counter1.Name
? new ExplicitBucketHistogramConfiguration()
{
Boundaries = boundaries
}
: null);
})
.AddInMemoryExporter(exportedItems)
.Build())
{
counter1.Add(1);
}
// Counter is aggregated with default configuration
// as the View config is ignored due to invalid histogram bounds.
Assert.Single(exportedItems);
}
public void ValidateOneDimension(MetricType metricType)
{
var metrics = new List <Metric>();
using var meter = new Meter(nameof(ValidateOneDimension));
using var provider = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter.Name)
.AddInMemoryExporter(metrics)
.Build();
var dataPointType = DataPointType.Aggregation;
string name = null;
if (metricType == MetricType.DoubleSum)
{
name = "TestDoubleCounter";
var doubleCounter = meter.CreateCounter <double>(name);
doubleCounter.Add(123.45, new KeyValuePair <string, object>("tag", "value"));
}
else if (metricType == MetricType.DoubleGauge)
{
name = "TestGauge";
meter.CreateObservableGauge(
name,
() => new List <Measurement <double> >()
{
new(123.45, new KeyValuePair <string, object>("tag", "value")),
});
public void AddViewsWithAndWithoutExceptionInUserCallback()
{
var exportedItems = new List <Metric>();
using var meter1 = new Meter("AddViewWithExceptionInUserCallback");
using var meterProvider = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter1.Name)
.AddView((instrument) => { throw new Exception("bad"); })
.AddView((instrument) => { return(new MetricStreamConfiguration()
{
Name = "newname"
}); })
.AddInMemoryExporter(exportedItems)
.Build();
using (var inMemoryEventListener = new InMemoryEventListener(OpenTelemetrySdkEventSource.Log))
{
var counter1 = meter1.CreateCounter <long>("counter1");
counter1.Add(1);
Assert.Single(inMemoryEventListener.Events.Where((e) => e.EventId == 41));
}
meterProvider.ForceFlush(MaxTimeToAllowForFlush);
// Counter is still reported with 2nd View
// even if 1st View is ignored due to View exception.
Assert.Single(exportedItems);
Assert.Equal("newname", exportedItems[0].Name);
}
public void ViewToProduceMultipleStreamsWithDuplicatesFromInstrument()
{
using var meter = new Meter(Utils.GetCurrentMethodName());
var exportedItems = new List <Metric>();
using var meterProvider = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter.Name)
.AddView("name1", "renamedStream1")
.AddView("name1", "renamedStream2")
.AddView("name1", "renamedStream2")
.AddInMemoryExporter(exportedItems)
.Build();
// Expecting three metric stream.
// the second .AddView("name1", "renamedStream2")
// produces a conflicting metric stream.
var counterLong = meter.CreateCounter <long>("name1");
counterLong.Add(10);
meterProvider.ForceFlush(MaxTimeToAllowForFlush);
Assert.Equal(3, exportedItems.Count);
Assert.Equal("renamedStream1", exportedItems[0].Name);
Assert.Equal("renamedStream2", exportedItems[1].Name);
Assert.Equal("renamedStream2", exportedItems[2].Name);
}
public void AddViewWithExceptionInUserCallbackNoDefault()
{
var exportedItems = new List <Metric>();
using var meter1 = new Meter("AddViewWithExceptionInUserCallback");
using var meterProvider = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter1.Name)
.AddView((instrument) => { throw new Exception("bad"); })
.AddView("*", MetricStreamConfiguration.Drop)
.AddInMemoryExporter(exportedItems)
.Build();
using (var inMemoryEventListener = new InMemoryEventListener(OpenTelemetrySdkEventSource.Log))
{
var counter1 = meter1.CreateCounter <long>("counter1");
counter1.Add(1);
Assert.Single(inMemoryEventListener.Events.Where((e) => e.EventId == 41));
}
meterProvider.ForceFlush(MaxTimeToAllowForFlush);
// Counter is not reported.
// as the View is ignored due to View exception.
// and Default is suppressed with * -> Drop
Assert.Empty(exportedItems);
}
public void GaugeOneDimension()
{
var buffer = new byte[85000];
var metrics = new List <Metric>();
using var meter = new Meter(Utils.GetCurrentMethodName());
using var provider = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter.Name)
.AddInMemoryExporter(metrics)
.Build();
var counter = meter.CreateCounter <long>("test_counter");
counter.Add(123, new KeyValuePair <string, object>("tagKey", "tagValue"));
provider.ForceFlush();
var cursor = PrometheusSerializer.WriteMetric(buffer, 0, metrics[0]);
Assert.Matches(
("^"
+ "# TYPE test_counter counter\n"
+ "test_counter{tagKey='tagValue'} 123 \\d+\n"
+ "$").Replace('\'', '"'),
Encoding.UTF8.GetString(buffer, 0, cursor));
}
public void InMemoryExporterShouldDeepCopyMetricPoints()
{
var meter = new Meter("InMemoryExporterTests", "1.0");
var exportedItems = new List <Metric>();
using var inMemoryReader = new BaseExportingMetricReader(new InMemoryExporter <Metric>(exportedItems))
{
PreferredAggregationTemporality = AggregationTemporality.Delta,
};
using var meterProvider = Sdk.CreateMeterProviderBuilder()
.AddMeter("InMemoryExporterTests")
.AddReader(inMemoryReader)
.Build();
var counter = meter.CreateCounter <long>("meter");
// Emit 10 for the MetricPoint with a single key-vaue pair: ("tag1", "value1")
counter.Add(10, new KeyValuePair <string, object>("tag1", "value1"));
// Pull metric data from AggregatorStore
inMemoryReader.Collect();
var metric = exportedItems[0]; // Only one Metric object is added to the collection at this point
var metricPointsEnumerator = metric.GetMetricPoints().GetEnumerator();
Assert.True(metricPointsEnumerator.MoveNext()); // One MetricPoint is emitted for the Metric
ref var metricPointForFirstExport = ref metricPointsEnumerator.Current;
public async Task PrometheusExporterMiddlewareIntegration()
{
var host = await new HostBuilder()
.ConfigureWebHost(webBuilder => webBuilder
.UseTestServer()
.UseStartup <Startup>())
.StartAsync();
var tags = new KeyValuePair <string, object>[]
{
new KeyValuePair <string, object>("key1", "value1"),
new KeyValuePair <string, object>("key2", "value2"),
};
using var meter = new Meter(MeterName, "0.0.1");
var counter = meter.CreateCounter <double>("counter_double");
counter.Add(100.18D, tags);
counter.Add(0.99D, tags);
using var response = await host.GetTestClient().GetAsync("/metrics").ConfigureAwait(false);
Assert.Equal(HttpStatusCode.OK, response.StatusCode);
string content = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
Assert.Equal(
$"# TYPE counter_double counter\ncounter_double{{key1=\"value1\",key2=\"value2\"}} 101.17 1633041000000\n",
content);
await host.StopAsync().ConfigureAwait(false);
}
private static string WriteLongSum(Meter meter, KeyValuePair <string, object>[] tags, string tagsExpected)
{
var counter = meter.CreateCounter <int>("counter_int", description: "Prometheus help text goes here \n escaping.");
counter.Add(100, tags);
return($"# HELP counter_int Prometheus help text goes here \\n escaping.\n# TYPE counter_int counter\ncounter_int{tagsExpected} 100 1633041000000\n");
}
public LnsProtocolMessageProcessor(IBasicsStationConfigurationService basicsStationConfigurationService,
WebSocketWriterRegistry <StationEui, string> socketWriterRegistry,
IDownstreamMessageSender downstreamMessageSender,
IMessageDispatcher messageDispatcher,
ILogger <LnsProtocolMessageProcessor> logger,
RegistryMetricTagBag registryMetricTagBag,
Meter meter)
{
this.basicsStationConfigurationService = basicsStationConfigurationService;
this.socketWriterRegistry = socketWriterRegistry;
this.downstreamMessageSender = downstreamMessageSender;
this.messageDispatcher = messageDispatcher;
this.logger = logger;
this.registryMetricTagBag = registryMetricTagBag;
this.joinRequestCounter = meter?.CreateCounter <int>(MetricRegistry.JoinRequests);
this.uplinkMessageCounter = meter?.CreateCounter <int>(MetricRegistry.D2CMessagesReceived);
this.unhandledExceptionCount = meter?.CreateCounter <int>(MetricRegistry.UnhandledExceptions);
}
private static string WriteDoubleSum(Meter meter, KeyValuePair <string, object>[] tags, string tagsExpected)
{
var counter = meter.CreateCounter <double>("counter_double");
counter.Add(100.18D, tags);
counter.Add(0.99D, tags);
return($"# TYPE counter_double counter\ncounter_double{tagsExpected} 101.17 1633041000000\n");
}
public void ToOtlpResourceMetricsTest(bool includeServiceNameInResource)
{
var resourceBuilder = ResourceBuilder.CreateEmpty();
if (includeServiceNameInResource)
{
resourceBuilder.AddAttributes(
new List <KeyValuePair <string, object> >
{
new KeyValuePair <string, object>(ResourceSemanticConventions.AttributeServiceName, "service-name"),
new KeyValuePair <string, object>(ResourceSemanticConventions.AttributeServiceNamespace, "ns1"),
});
}
var metrics = new List <Metric>();
using var meter = new Meter($"{Utils.GetCurrentMethodName()}.{includeServiceNameInResource}", "0.0.1");
using var provider = Sdk.CreateMeterProviderBuilder()
.SetResourceBuilder(resourceBuilder)
.AddMeter(meter.Name)
.AddInMemoryExporter(metrics)
.Build();
var counter = meter.CreateCounter <int>("counter");
counter.Add(100);
provider.ForceFlush();
var batch = new Batch <Metric>(metrics.ToArray(), metrics.Count);
var request = new OtlpCollector.ExportMetricsServiceRequest();
request.AddMetrics(resourceBuilder.Build().ToOtlpResource(), batch);
Assert.Single(request.ResourceMetrics);
var resourceMetric = request.ResourceMetrics.First();
var oltpResource = resourceMetric.Resource;
if (includeServiceNameInResource)
{
Assert.Contains(oltpResource.Attributes, (kvp) => kvp.Key == ResourceSemanticConventions.AttributeServiceName && kvp.Value.StringValue == "service-name");
Assert.Contains(oltpResource.Attributes, (kvp) => kvp.Key == ResourceSemanticConventions.AttributeServiceNamespace && kvp.Value.StringValue == "ns1");
}
else
{
Assert.Contains(oltpResource.Attributes, (kvp) => kvp.Key == ResourceSemanticConventions.AttributeServiceName && kvp.Value.ToString().Contains("unknown_service:"));
}
Assert.Single(resourceMetric.InstrumentationLibraryMetrics);
var instrumentationLibraryMetrics = resourceMetric.InstrumentationLibraryMetrics.First();
Assert.Equal(string.Empty, instrumentationLibraryMetrics.SchemaUrl);
Assert.Equal(meter.Name, instrumentationLibraryMetrics.InstrumentationLibrary.Name);
Assert.Equal("0.0.1", instrumentationLibraryMetrics.InstrumentationLibrary.Version);
}
public void ViewConflict_OneInstrument_DifferentDescription()
{
var exportedItems = new List <Metric>();
using var meter = new Meter($"{Utils.GetCurrentMethodName()}");
var meterProviderBuilder = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter.Name)
.AddView("instrumentName", new MetricStreamConfiguration()
{
Description = "newDescription1"
})
.AddView("instrumentName", new MetricStreamConfiguration()
{
Description = "newDescription2"
})
.AddInMemoryExporter(exportedItems);
using var meterProvider = meterProviderBuilder.Build();
var instrument = meter.CreateCounter <long>("instrumentName", "instrumentUnit", "instrumentDescription");
instrument.Add(10);
meterProvider.ForceFlush(MaxTimeToAllowForFlush);
Assert.Equal(2, exportedItems.Count);
var metric1 = exportedItems[0];
var metric2 = exportedItems[1];
Assert.Equal("newDescription1", metric1.Description);
Assert.Equal("newDescription2", metric2.Description);
List <MetricPoint> metric1MetricPoints = new List <MetricPoint>();
foreach (ref readonly var mp in metric1.GetMetricPoints())
{
metric1MetricPoints.Add(mp);
}
Assert.Single(metric1MetricPoints);
var metricPoint1 = metric1MetricPoints[0];
Assert.Equal(10, metricPoint1.GetSumLong());
List <MetricPoint> metric2MetricPoints = new List <MetricPoint>();
foreach (ref readonly var mp in metric2.GetMetricPoints())
{
metric2MetricPoints.Add(mp);
}
Assert.Single(metric2MetricPoints);
var metricPoint2 = metric2MetricPoints[0];
Assert.Equal(10, metricPoint2.GetSumLong());
}
public CupsProtocolMessageProcessor(IBasicsStationConfigurationService basicsStationConfigurationService,
LoRaDeviceAPIServiceBase deviceAPIServiceBase,
ILogger <CupsProtocolMessageProcessor> logger,
Meter?meter)
{
this.basicsStationConfigurationService = basicsStationConfigurationService;
this.deviceAPIServiceBase = deviceAPIServiceBase;
this.logger = logger;
this.unhandledExceptionCount = meter?.CreateCounter <int>(MetricRegistry.UnhandledExceptions);
}
public void DuplicateInstrumentNamesFromSameMeterAreNotAllowed(AggregationTemporality temporality, bool hasView)
{
var metricItems = new List <Metric>();
var metricExporter = new InMemoryExporter <Metric>(metricItems);
var metricReader = new BaseExportingMetricReader(metricExporter)
{
PreferredAggregationTemporality = temporality,
};
using var meter = new Meter($"{Utils.GetCurrentMethodName()}.{temporality}");
var meterProviderBuilder = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter.Name)
.AddReader(metricReader);
if (hasView)
{
meterProviderBuilder.AddView("name1", new MetricStreamConfiguration()
{
Description = "description"
});
}
using var meterProvider = meterProviderBuilder.Build();
// Expecting one metric stream.
var counterLong = meter.CreateCounter <long>("name1");
counterLong.Add(10);
metricReader.Collect();
Assert.Single(metricItems);
// The following will be ignored as
// metric of same name exists.
// Metric stream will remain one.
var anotherCounterSameName = meter.CreateCounter <long>("name1");
anotherCounterSameName.Add(10);
counterLong.Add(10);
metricItems.Clear();
metricReader.Collect();
Assert.Single(metricItems);
}
public void TestMetricPointCap(AggregationTemporality temporality)
{
var metricItems = new List <Metric>();
int metricPointCount = 0;
var metricExporter = new TestExporter <Metric>(ProcessExport);
void ProcessExport(Batch <Metric> batch)
{
foreach (var metric in batch)
{
foreach (ref var metricPoint in metric.GetMetricPoints())
{
metricPointCount++;
}
}
}
var metricReader = new BaseExportingMetricReader(metricExporter)
{
PreferredAggregationTemporality = temporality,
};
using var meter = new Meter("TestPointCapMeter");
var counterLong = meter.CreateCounter <long>("mycounterCapTest");
using var meterProvider = Sdk.CreateMeterProviderBuilder()
.AddMeter("TestPointCapMeter")
.AddReader(metricReader)
.Build();
// Make one Add with no tags.
// as currently we reserve 0th index
// for no tag point!
// This may be changed later.
counterLong.Add(10);
for (int i = 0; i < AggregatorStore.MaxMetricPoints + 1; i++)
{
counterLong.Add(10, new KeyValuePair <string, object>("key", "value" + i));
}
metricReader.Collect();
Assert.Equal(AggregatorStore.MaxMetricPoints, metricPointCount);
metricPointCount = 0;
metricReader.Collect();
Assert.Equal(AggregatorStore.MaxMetricPoints, metricPointCount);
// These updates would be dropped.
counterLong.Add(10, new KeyValuePair <string, object>("key", "valueA"));
counterLong.Add(10, new KeyValuePair <string, object>("key", "valueB"));
counterLong.Add(10, new KeyValuePair <string, object>("key", "valueC"));
metricPointCount = 0;
metricReader.Collect();
Assert.Equal(AggregatorStore.MaxMetricPoints, metricPointCount);
}
public void TestInstrumentDisposal(AggregationTemporality temporality)
{
var metricItems = new List <Metric>();
var metricExporter = new InMemoryExporter <Metric>(metricItems);
var metricReader = new BaseExportingMetricReader(metricExporter)
{
PreferredAggregationTemporality = temporality,
};
var meter1 = new Meter($"{Utils.GetCurrentMethodName()}.{temporality}.1");
var meter2 = new Meter($"{Utils.GetCurrentMethodName()}.{temporality}.2");
var counter1 = meter1.CreateCounter <long>("counterFromMeter1");
var counter2 = meter2.CreateCounter <long>("counterFromMeter2");
using var meterProvider = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter1.Name)
.AddMeter(meter2.Name)
.AddReader(metricReader)
.Build();
counter1.Add(10, new KeyValuePair <string, object>("key", "value"));
counter2.Add(10, new KeyValuePair <string, object>("key", "value"));
metricReader.Collect();
Assert.Equal(2, metricItems.Count);
metricItems.Clear();
counter1.Add(10, new KeyValuePair <string, object>("key", "value"));
counter2.Add(10, new KeyValuePair <string, object>("key", "value"));
meter1.Dispose();
metricReader.Collect();
Assert.Equal(2, metricItems.Count);
metricItems.Clear();
counter1.Add(10, new KeyValuePair <string, object>("key", "value"));
counter2.Add(10, new KeyValuePair <string, object>("key", "value"));
metricReader.Collect();
Assert.Single(metricItems);
metricItems.Clear();
counter1.Add(10, new KeyValuePair <string, object>("key", "value"));
counter2.Add(10, new KeyValuePair <string, object>("key", "value"));
meter2.Dispose();
metricReader.Collect();
Assert.Single(metricItems);
metricItems.Clear();
counter1.Add(10, new KeyValuePair <string, object>("key", "value"));
counter2.Add(10, new KeyValuePair <string, object>("key", "value"));
metricReader.Collect();
Assert.Empty(metricItems);
}
private void MultithreadedCounterTest <T>(T deltaValueUpdatedByEachCall)
where T : struct, IComparable
{
var metricItems = new List <Metric>();
var metricReader = new BaseExportingMetricReader(new InMemoryExporter <Metric>(metricItems));
using var meter = new Meter($"{Utils.GetCurrentMethodName()}.{typeof(T).Name}.{deltaValueUpdatedByEachCall}");
using var meterProvider = Sdk.CreateMeterProviderBuilder()
.AddMeter(meter.Name)
.AddReader(metricReader)
.Build();
var argToThread = new UpdateThreadArguments <T>
{
ValuesToRecord = new T[] { deltaValueUpdatedByEachCall },
Instrument = meter.CreateCounter <T>("counter"),
MreToBlockUpdateThread = new ManualResetEvent(false),
MreToEnsureAllThreadsStart = new ManualResetEvent(false),
};
Thread[] t = new Thread[numberOfThreads];
for (int i = 0; i < numberOfThreads; i++)
{
t[i] = new Thread(CounterUpdateThread <T>);
t[i].Start(argToThread);
}
argToThread.MreToEnsureAllThreadsStart.WaitOne();
Stopwatch sw = Stopwatch.StartNew();
argToThread.MreToBlockUpdateThread.Set();
for (int i = 0; i < numberOfThreads; i++)
{
t[i].Join();
}
this.output.WriteLine($"Took {sw.ElapsedMilliseconds} msecs. Total threads: {numberOfThreads}, each thread doing {numberOfMetricUpdateByEachThread} recordings.");
metricReader.Collect();
if (typeof(T) == typeof(long))
{
var sumReceived = GetLongSum(metricItems);
var expectedSum = deltaLongValueUpdatedByEachCall * numberOfMetricUpdateByEachThread * numberOfThreads;
Assert.Equal(expectedSum, sumReceived);
}
else if (typeof(T) == typeof(double))
{
var sumReceived = GetDoubleSum(metricItems);
var expectedSum = deltaDoubleValueUpdatedByEachCall * numberOfMetricUpdateByEachThread * numberOfThreads;
Assert.Equal(expectedSum, sumReceived, 2);
}
}