/// <summary>
/// Adds <see cref="SamplingTelemetryProcessor"/> to the given<see cref="TelemetryProcessorChainBuilder" />
/// </summary>
/// <param name="builder">Instance of <see cref="TelemetryProcessorChainBuilder"/></param>
/// <param name="samplingPercentage">Sampling Percentage to configure.</param>
/// <return>Instance of <see cref="TelemetryProcessorChainBuilder"/>.</return>
public static TelemetryProcessorChainBuilder UseSampling(this TelemetryProcessorChainBuilder builder, double samplingPercentage)
{
return(builder.Use((next) => new SamplingTelemetryProcessor(next)
{
SamplingPercentage = samplingPercentage
}));
}
/// <summary>
/// Adds <see cref="AdaptiveSamplingTelemetryProcessor"/> to the <see cref="TelemetryProcessorChainBuilder" />
/// </summary>
/// <param name="builder">Instance of <see cref="TelemetryProcessorChainBuilder"/></param>
/// <param name="maxTelemetryItemsPerSecond">Maximum number of telemetry items to be generated on this application instance.</param>
/// <return>Instance of <see cref="TelemetryProcessorChainBuilder"/>.</return>
public static TelemetryProcessorChainBuilder UseAdaptiveSampling(this TelemetryProcessorChainBuilder builder, double maxTelemetryItemsPerSecond)
{
return(builder.Use((next) => new AdaptiveSamplingTelemetryProcessor(next)
{
MaxTelemetryItemsPerSecond = maxTelemetryItemsPerSecond
}));
}
private static TelemetryProcessorChain CreateTelemetryProcessorChainWithSampling(IList <ITelemetry> sentTelemetry, double samplingPercentage, string excludedTypes = null, string includedTypes = null)
{
var tc = new TelemetryConfiguration {
TelemetryChannel = new StubTelemetryChannel()
};
tc.InstrumentationKey = Guid.NewGuid().ToString("D");
var channelBuilder = new TelemetryProcessorChainBuilder(tc);
channelBuilder.UseSampling(samplingPercentage, excludedTypes, includedTypes);
channelBuilder.Use(next => new StubTelemetryProcessor(next)
{
OnProcess = t => sentTelemetry.Add(t)
});
channelBuilder.Build();
TelemetryProcessorChain processors = tc.TelemetryProcessorChain;
foreach (ITelemetryProcessor processor in processors.TelemetryProcessors)
{
ITelemetryModule m = processor as ITelemetryModule;
if (m != null)
{
m.Initialize(tc);
}
}
return(processors);
}
protected void Application_Start()
{
AreaRegistration.RegisterAllAreas();
FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
RouteConfig.RegisterRoutes(RouteTable.Routes);
BundleConfig.RegisterBundles(BundleTable.Bundles);
//ApplicationInsight
//Initializers:
TelemetryConfiguration.Active.TelemetryInitializers.Add(new HttpTelemetryInitializer());
TelemetryConfiguration.Active.TelemetryInitializers.Add(new HttpRequestTelemetryInitializer());
TelemetryConfiguration.Active.TelemetryInitializers.Add(new WebMethodInitializer());
//Procesors:
TelemetryProcessorChainBuilder builder = TelemetryConfiguration.Active.DefaultTelemetrySink.TelemetryProcessorChainBuilder;
builder.Use((next) => new TelemetryUnAuthorizedFilter(next));
builder.Use((next) => new TelemetryPathFilter(next));
builder.Use((next) => new TelemetryBotFilter(next));
builder.Use((next) => new TelemetryFastRemoteDependencyCallsFilter(next));
builder.Use((next) => new SuccessfulDependencyFilter(next));
builder.Build();
}
internal static TelemetryConfiguration CreateTelemetryConfigWithExtractor(IList <ITelemetry> telemetrySentToChannel,
Func <ITelemetryProcessor, AutocollectedMetricsExtractor> extractorFactory)
{
ITelemetryChannel channel = new StubTelemetryChannel {
OnSend = (t) => telemetrySentToChannel.Add(t)
};
string iKey = Guid.NewGuid().ToString("D");
TelemetryConfiguration telemetryConfig = new TelemetryConfiguration(iKey, channel);
var channelBuilder = new TelemetryProcessorChainBuilder(telemetryConfig);
channelBuilder.Use(extractorFactory);
channelBuilder.Build();
TelemetryProcessorChain processors = telemetryConfig.TelemetryProcessorChain;
foreach (ITelemetryProcessor processor in processors.TelemetryProcessors)
{
ITelemetryModule m = processor as ITelemetryModule;
if (m != null)
{
m.Initialize(telemetryConfig);
}
}
return(telemetryConfig);
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
}
app.UseHttpsRedirection();
app.UseRouting();
app.UseAuthorization();
var appInsightsConfig = app.ApplicationServices.GetService <TelemetryConfiguration>();
TelemetryProcessorChainBuilder builder = appInsightsConfig.TelemetryProcessorChainBuilder;
// some custom telemetry processor for Application Insights that filters out synthetic traffic (e.g traffic that comes from Azure to keep the server awake).
builder.UseAdaptiveSampling(excludedTypes: "Exception");
builder.UseAdaptiveSampling(maxTelemetryItemsPerSecond: 10000);
builder.Build();
app.UseEndpoints(endpoints =>
{
endpoints.MapControllers();
});
}
public void CommonTelemetryProcessorsAreInvoked()
{
var configuration = new TelemetryConfiguration();
var sentTelemetry = new List <ITelemetry>(1);
var channel = new StubTelemetryChannel();
channel.OnSend = (telemetry) => sentTelemetry.Add(telemetry);
configuration.TelemetryChannel = channel;
var chainBuilder = new TelemetryProcessorChainBuilder(configuration);
configuration.TelemetryProcessorChainBuilder = chainBuilder;
chainBuilder.Use((next) =>
{
var first = new StubTelemetryProcessor(next);
first.OnProcess = (telemetry) => telemetry.Context.Properties.Add("SeenByFirst", "true");
return(first);
});
chainBuilder.Use((next) =>
{
var second = new StubTelemetryProcessor(next);
second.OnProcess = (telemetry) => telemetry.Context.Properties.Add("SeenBySecond", "true");
return(second);
});
var client = new TelemetryClient(configuration);
client.TrackTrace("t1");
Assert.AreEqual(1, sentTelemetry.Count);
Assert.IsTrue(sentTelemetry[0].Context.Properties.ContainsKey("SeenByFirst"));
Assert.IsTrue(sentTelemetry[0].Context.Properties.ContainsKey("SeenBySecond"));
}
public void SinkProcessorsAreInvoked()
{
var configuration = new TelemetryConfiguration();
var sentTelemetry = new List <ITelemetry>(1);
var channel = new StubTelemetryChannel();
channel.OnSend = (telemetry) => sentTelemetry.Add(telemetry);
configuration.TelemetryChannel = channel;
var chainBuilder = new TelemetryProcessorChainBuilder(configuration, configuration.DefaultTelemetrySink);
configuration.DefaultTelemetrySink.TelemetryProcessorChainBuilder = chainBuilder;
chainBuilder.Use((next) =>
{
var first = new StubTelemetryProcessor(next);
first.OnProcess = (telemetry) => telemetry.Context.Properties.Add("SeenByFirst", "true");
return(first);
});
chainBuilder.Use((next) =>
{
var second = new StubTelemetryProcessor(next);
second.OnProcess = (telemetry) => telemetry.Context.Properties.Add("SeenBySecond", "true");
return(second);
});
var client = new TelemetryClient(configuration);
client.TrackTrace("t1");
Assert.IsFalse(configuration.TelemetryProcessors.OfType <StubTelemetryProcessor>().Any()); // Both processors belong to the sink, not to the common chain.
Assert.AreEqual(1, sentTelemetry.Count);
Assert.IsTrue(sentTelemetry[0].Context.Properties.ContainsKey("SeenByFirst"));
Assert.IsTrue(sentTelemetry[0].Context.Properties.ContainsKey("SeenBySecond"));
}
public static TelemetryConfiguration CreateAITelemetryConfig(out IList <ITelemetry> telemetrySentToChannel)
{
StubApplicationInsightsTelemetryChannel channel = new StubApplicationInsightsTelemetryChannel();
string iKey = Guid.NewGuid().ToString("D");
TelemetryConfiguration telemetryConfig = new TelemetryConfiguration(iKey, channel);
var channelBuilder = new TelemetryProcessorChainBuilder(telemetryConfig);
channelBuilder.Build();
foreach (ITelemetryProcessor initializer in telemetryConfig.TelemetryInitializers)
{
ITelemetryModule m = initializer as ITelemetryModule;
if (m != null)
{
m.Initialize(telemetryConfig);
}
}
foreach (ITelemetryProcessor processor in telemetryConfig.TelemetryProcessors)
{
ITelemetryModule m = processor as ITelemetryModule;
if (m != null)
{
m.Initialize(telemetryConfig);
}
}
telemetrySentToChannel = channel.TelemetryItems;
return(telemetryConfig);
}
public ApplicationInsightsWriter(string instrumentationKey, WriterOptions options)
{
TelemetryConfiguration.Active.InstrumentationKey = instrumentationKey;
TelemetryProcessorChainBuilder builder = TelemetryConfiguration.Active.TelemetryProcessorChainBuilder;
QuickPulseTelemetryProcessor quickPulseProcessor = null;
// add our own telemetry processor that can override session based variables
//builder.Use(next => new LogMagicTelemetryProcessor(next));
// optionally enable QuickPulse
/*
* - Free and is not counted towards the bill.
* - The latency is 1 second compared to a few minutes.
* - Retention is while the data is on the chart, not 90 days.
* - Data is only streamed while you are in Live Metrics view.
*/
if (options.EnableQuickPulse)
{
builder.Use((next) =>
{
quickPulseProcessor = new QuickPulseTelemetryProcessor(next);
return(quickPulseProcessor);
});
}
builder.Build();
_telemetryClient = new TelemetryClient(TelemetryConfiguration.Active);
_telemetryClient.InstrumentationKey = instrumentationKey;
_context = new InsightsContext(_telemetryClient, options);
if (options.EnableQuickPulse)
{
var quickPulse = new QuickPulseTelemetryModule();
quickPulse.Initialize(TelemetryConfiguration.Active);
quickPulse.RegisterTelemetryProcessor(quickPulseProcessor);
}
#if NETFULL
// see https://github.com/Microsoft/ApplicationInsights-dotnet-server/blob/develop/Src/PerformanceCollector/Perf.Shared/PerformanceCollectorModule.cs
if (options.CollectPerformanceCounters)
{
//optionally enable performance counters collection
var pcm = new PerformanceCollectorModule();
//custom counters can be easily added here if required
pcm.Counters.Add(new PerformanceCounterCollectionRequest(@"\.NET CLR Memory(LogMagic.Console)\# GC Handles", "GC Handles"));
pcm.Initialize(TelemetryConfiguration.Active);
}
#endif
TelemetryConfiguration.Active.TelemetryInitializers.Add(new OperationTelemetryInitialiser());
_options = options;
}
public Task <bool> UseProcessorSink(IConfiguration config, ILogger logger, TelemetryProcessorChainBuilder aiClientBuilder)
{
aiClientBuilder.Use((next) => new AppInsightAggMetricSink(
next: next,
logger: logger,
config: config));
return(Task.FromResult <bool>(true));
}
public void UseAdaptiveSamplingWithSettingsParameterThrowsArgumentNullExceptionSettingsIsNull()
{
var tc = new TelemetryConfiguration {
TelemetryChannel = new StubTelemetryChannel()
};
var channelBuilder = new TelemetryProcessorChainBuilder(tc);
AssertEx.Throws <ArgumentNullException>(() => channelBuilder.UseAdaptiveSampling(default(SamplingPercentageEstimatorSettings), null));
}
/// <summary>
/// Uses AppId information into the telemetry.
/// </summary>
/// <param name="builder">The builder.</param>
/// <param name="appId">The AppId identify the application.</param>
/// <returns>The builder.</returns>
public static TelemetryProcessorChainBuilder UseAppId(
this TelemetryProcessorChainBuilder builder,
AppId appId)
{
builder
.Use((next) => new TelemetryReplicationProcessor(next, appId))
.Build();
return(builder);
}
public void UseAdaptiveSamplingWithSettingsParameterAndExcludedTypesThrowsArgumentNullExceptionSettingsIsNull()
{
var tc = new TelemetryConfiguration {
TelemetryChannel = new StubTelemetryChannel()
};
var channelBuilder = new TelemetryProcessorChainBuilder(tc);
AssertEx.Throws <ArgumentNullException>(() => channelBuilder.UseAdaptiveSampling(null, null, "request"));
}
/// <summary>
/// Adds <see cref="AdaptiveSamplingTelemetryProcessor"/> to the <see cref="TelemetryProcessorChainBuilder" />
/// </summary>
/// <param name="builder">Instance of <see cref="TelemetryProcessorChainBuilder"/></param>
/// <return>Instance of <see cref="TelemetryProcessorChainBuilder"/>.</return>
public static TelemetryProcessorChainBuilder UseAdaptiveSampling(this TelemetryProcessorChainBuilder builder)
{
if (builder == null)
{
throw new ArgumentNullException("builder");
}
return(builder.Use(next => new AdaptiveSamplingTelemetryProcessor(next)));
}
/// <summary>
/// Adds <see cref="AdaptiveSamplingTelemetryProcessor"/> to the <see cref="TelemetryProcessorChainBuilder" />
/// </summary>
/// <param name="builder">Instance of <see cref="TelemetryProcessorChainBuilder"/></param>
/// <param name="settings">Set of settings applicable to dynamic sampling percentage algorithm.</param>
/// <param name="callback">Callback invoked every time sampling percentage evaluation occurs.</param>
/// <return>Instance of <see cref="TelemetryProcessorChainBuilder"/>.</return>
public static TelemetryProcessorChainBuilder UseAdaptiveSampling(
this TelemetryProcessorChainBuilder builder,
SamplingPercentageEstimatorSettings settings,
AdaptiveSamplingPercentageEvaluatedCallback callback)
{
return(builder.Use((next) => new AdaptiveSamplingTelemetryProcessor(settings, callback, next)
{
InitialSamplingPercentage = 100.0 / settings.EffectiveInitialSamplingRate
}));
}
public void UseAdaptiveSamplingAddsAdaptiveSamplingProcessorToTheChain()
{
var tc = new TelemetryConfiguration {
TelemetryChannel = new StubTelemetryChannel()
};
var channelBuilder = new TelemetryProcessorChainBuilder(tc);
channelBuilder.UseAdaptiveSampling();
channelBuilder.Build();
AssertEx.IsType <AdaptiveSamplingTelemetryProcessor>(tc.TelemetryProcessorChain.FirstTelemetryProcessor);
}
public void UseSamplingSetsAddsSamplingProcessorToTheChainWithCorrectPercentage()
{
var tc = new TelemetryConfiguration {
TelemetryChannel = new StubTelemetryChannel()
};
var channelBuilder = new TelemetryProcessorChainBuilder(tc);
channelBuilder.UseSampling(5);
channelBuilder.Build();
Assert.AreEqual(5, ((SamplingTelemetryProcessor)tc.TelemetryProcessorChain.FirstTelemetryProcessor).SamplingPercentage);
}
public void UseAdaptiveSamplingAddsAdaptiveSamplingProcessorToTheChainWithCorrectExcludedTypes()
{
var tc = new TelemetryConfiguration {
TelemetryChannel = new StubTelemetryChannel()
};
var channelBuilder = new TelemetryProcessorChainBuilder(tc);
channelBuilder.UseAdaptiveSampling("request");
channelBuilder.Build();
Assert.AreEqual("request", ((AdaptiveSamplingTelemetryProcessor)tc.TelemetryProcessorChain.FirstTelemetryProcessor).ExcludedTypes);
}
/// <summary>
/// Adds <see cref="AdaptiveSamplingTelemetryProcessor"/> to the <see cref="TelemetryProcessorChainBuilder" />
/// </summary>
/// <param name="builder">Instance of <see cref="TelemetryProcessorChainBuilder"/></param>
/// <param name="maxTelemetryItemsPerSecond">Maximum number of telemetry items to be generated on this application instance.</param>
/// <return>Instance of <see cref="TelemetryProcessorChainBuilder"/>.</return>
public static TelemetryProcessorChainBuilder UseAdaptiveSampling(this TelemetryProcessorChainBuilder builder, double maxTelemetryItemsPerSecond)
{
if (builder == null)
{
throw new ArgumentNullException("builder");
}
return(builder.Use(next => new AdaptiveSamplingTelemetryProcessor(next)
{
MaxTelemetryItemsPerSecond = maxTelemetryItemsPerSecond
}));
}
public void UseAdaptiveSamplingAddsAdaptiveSamplingProcessorToTheChainWithCorrectMaxTelemetryItemsPerSecond()
{
var tc = new TelemetryConfiguration {
TelemetryChannel = new StubTelemetryChannel()
};
var channelBuilder = new TelemetryProcessorChainBuilder(tc);
channelBuilder.UseAdaptiveSampling(5);
channelBuilder.Build();
Assert.AreEqual(5, ((AdaptiveSamplingTelemetryProcessor)tc.TelemetryProcessorChain.FirstTelemetryProcessor).MaxTelemetryItemsPerSecond);
}
/// <summary>
/// Adds <see cref="SamplingTelemetryProcessor"/> to the given<see cref="TelemetryProcessorChainBuilder" />
/// </summary>
/// <param name="builder">Instance of <see cref="TelemetryProcessorChainBuilder"/></param>
/// <param name="samplingPercentage">Sampling Percentage to configure.</param>
/// <return>Instance of <see cref="TelemetryProcessorChainBuilder"/>.</return>
public static TelemetryProcessorChainBuilder UseSampling(this TelemetryProcessorChainBuilder builder, double samplingPercentage)
{
if (builder == null)
{
throw new ArgumentNullException("builder");
}
return(builder.Use(next => new SamplingTelemetryProcessor(next)
{
SamplingPercentage = samplingPercentage
}));
}
/// <summary>
/// Adds <see cref="AdaptiveSamplingTelemetryProcessor"/> to the <see cref="TelemetryProcessorChainBuilder" />
/// </summary>
/// <param name="builder">Instance of <see cref="TelemetryProcessorChainBuilder"/></param>
/// <param name="excludedTypes">Semicolon separated list of types that should not be sampled.</param>
/// <param name="includedTypes">Semicolon separated list of types that should be sampled. All types are sampled when left empty.</param>
/// <return>Instance of <see cref="TelemetryProcessorChainBuilder"/>.</return>
public static TelemetryProcessorChainBuilder UseAdaptiveSampling(this TelemetryProcessorChainBuilder builder, string excludedTypes = null, string includedTypes = null)
{
if (builder == null)
{
throw new ArgumentNullException("builder");
}
return(builder.Use(next => new AdaptiveSamplingTelemetryProcessor(next)
{
ExcludedTypes = excludedTypes,
IncludedTypes = includedTypes
}));
}
internal TelemetryConfiguration InitializeConfiguration()
{
TelemetryConfiguration config = new TelemetryConfiguration()
{
InstrumentationKey = _instrumentationKey
};
AddInitializers(config);
// Plug in Live stream and adaptive sampling
QuickPulseTelemetryProcessor processor = null;
TelemetryProcessorChainBuilder builder = config.TelemetryProcessorChainBuilder
.Use((next) =>
{
processor = new QuickPulseTelemetryProcessor(next);
return(processor);
});
if (_samplingSettings != null)
{
builder.Use((next) =>
{
return(new AdaptiveSamplingTelemetryProcessor(_samplingSettings, null, next));
});
}
builder.Build();
_quickPulseModule = new QuickPulseTelemetryModule();
_quickPulseModule.Initialize(config);
_quickPulseModule.RegisterTelemetryProcessor(processor);
// Plug in perf counters
_perfModule = new PerformanceCollectorModule();
_perfModule.Initialize(config);
// Configure the TelemetryChannel
ITelemetryChannel channel = CreateTelemetryChannel();
// call Initialize if available
ITelemetryModule module = channel as ITelemetryModule;
if (module != null)
{
module.Initialize(config);
}
config.TelemetryChannel = channel;
return(config);
}
public void ConfigurationDisposesAllSinks()
{
var configuration = new TelemetryConfiguration();
var commonChainBuilder = new TelemetryProcessorChainBuilder(configuration);
configuration.TelemetryProcessorChainBuilder = commonChainBuilder;
var firstChannel = new StubTelemetryChannel();
bool firstChannelDisposed = false;
firstChannel.OnDispose = () => firstChannelDisposed = true;
configuration.DefaultTelemetrySink.TelemetryChannel = firstChannel;
var firstSinkChainBuilder = new TelemetryProcessorChainBuilder(configuration, configuration.DefaultTelemetrySink);
bool firstSinkTelemetryProcessorDisposed = false;
firstSinkChainBuilder.Use((next) =>
{
var firstSinkTelemetryProcessor = new StubTelemetryProcessor(next);
firstSinkTelemetryProcessor.OnDispose = () => firstSinkTelemetryProcessorDisposed = true;
return(firstSinkTelemetryProcessor);
});
configuration.DefaultTelemetrySink.TelemetryProcessorChainBuilder = firstSinkChainBuilder;
var secondChannel = new StubTelemetryChannel();
bool secondChannelDisposed = false;
secondChannel.OnDispose = () => secondChannelDisposed = true;
var secondSink = new TelemetrySink(configuration, secondChannel);
var secondSinkChainBuilder = new TelemetryProcessorChainBuilder(configuration, secondSink);
bool secondSinkTelemetryProcessorDisposed = false;
secondSinkChainBuilder.Use((next) =>
{
var secondSinkTelemetryProcessor = new StubTelemetryProcessor(next);
secondSinkTelemetryProcessor.OnDispose = () => secondSinkTelemetryProcessorDisposed = true;
return(secondSinkTelemetryProcessor);
});
secondSink.TelemetryProcessorChainBuilder = secondSinkChainBuilder;
configuration.TelemetrySinks.Add(secondSink);
var client = new TelemetryClient(configuration);
client.TrackTrace("t1");
configuration.Dispose();
// We expect the channels to not be disposed (because they were created externally to sinks), but the processors should be disposed.
Assert.IsTrue(firstSinkTelemetryProcessorDisposed);
Assert.IsTrue(secondSinkTelemetryProcessorDisposed);
Assert.IsFalse(firstChannelDisposed);
Assert.IsFalse(secondChannelDisposed);
}
/// <summary>
/// Adds <see cref="SamplingTelemetryProcessor"/> to the given<see cref="TelemetryProcessorChainBuilder" />.
/// </summary>
/// <param name="builder">Instance of <see cref="TelemetryProcessorChainBuilder"/>.</param>
/// <param name="samplingPercentage">Sampling Percentage to configure.</param>
/// <param name="excludedTypes">Semicolon separated list of types that should not be sampled.</param>
/// <param name="includedTypes">Semicolon separated list of types that should be sampled. All types are sampled when left empty.</param>
/// <return>Same instance of <see cref="TelemetryProcessorChainBuilder"/>.</return>
public static TelemetryProcessorChainBuilder UseSampling(this TelemetryProcessorChainBuilder builder, double samplingPercentage, string excludedTypes = null, string includedTypes = null)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
return(builder.Use(next => new SamplingTelemetryProcessor(next)
{
SamplingPercentage = samplingPercentage,
ExcludedTypes = excludedTypes,
IncludedTypes = includedTypes,
}));
}
/// <summary>
/// Adds <see cref="AdaptiveSamplingTelemetryProcessor"/> to the <see cref="TelemetryProcessorChainBuilder" />.
/// </summary>
/// <param name="builder">Instance of <see cref="TelemetryProcessorChainBuilder"/>.</param>
/// <param name="maxTelemetryItemsPerSecond">Maximum number of telemetry items to be generated on this application instance.</param>
/// <param name="excludedTypes">Semicolon separated list of types that should not be sampled.</param>
/// <param name="includedTypes">Semicolon separated list of types that should be sampled. All types are sampled when left empty.</param>
/// <return>Same instance of <see cref="TelemetryProcessorChainBuilder"/>.</return>
public static TelemetryProcessorChainBuilder UseAdaptiveSampling(this TelemetryProcessorChainBuilder builder, double maxTelemetryItemsPerSecond, string excludedTypes = null, string includedTypes = null)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
return(builder.Use(next => new AdaptiveSamplingTelemetryProcessor(next)
{
MaxTelemetryItemsPerSecond = maxTelemetryItemsPerSecond,
ExcludedTypes = excludedTypes,
IncludedTypes = includedTypes,
}));
}
public void AllTelemetryCapturedWhenProductionRateIsLow()
{
var sentTelemetry = new List <ITelemetry>();
int itemsProduced = 0;
using (var tc = new TelemetryConfiguration()
{
TelemetryChannel = new StubTelemetryChannel()
})
{
var chainBuilder = new TelemetryProcessorChainBuilder(tc);
// set up adaptive sampling that evaluates and changes sampling % frequently
chainBuilder
.UseAdaptiveSampling(
new Channel.Implementation.SamplingPercentageEstimatorSettings()
{
EvaluationInterval = TimeSpan.FromSeconds(1),
SamplingPercentageDecreaseTimeout = TimeSpan.FromSeconds(2),
SamplingPercentageIncreaseTimeout = TimeSpan.FromSeconds(2),
},
this.TraceSamplingPercentageEvaluation)
.Use((next) => new StubTelemetryProcessor(next)
{
OnProcess = (t) => sentTelemetry.Add(t)
});
chainBuilder.Build();
const int productionFrequencyMs = 1000;
var productionTimer = new Timer(
(state) =>
{
tc.TelemetryProcessorChain.Process(new RequestTelemetry());
itemsProduced++;
},
null,
productionFrequencyMs,
productionFrequencyMs);
Thread.Sleep(25000);
// dispose timer and wait for callbacks to complete
DisposeTimer(productionTimer);
}
Assert.AreEqual(itemsProduced, sentTelemetry.Count);
}
public void AdaptiveSamplingSetsExcludedTypesOnInternalSamplingProcessor()
{
var tc = new TelemetryConfiguration {
TelemetryChannel = new StubTelemetryChannel()
};
var channelBuilder = new TelemetryProcessorChainBuilder(tc);
channelBuilder.UseAdaptiveSampling(5, "request;");
channelBuilder.Build();
var fieldInfo = typeof(AdaptiveSamplingTelemetryProcessor).GetField("samplingProcessor", BindingFlags.GetField | BindingFlags.Instance | BindingFlags.NonPublic);
SamplingTelemetryProcessor internalProcessor = (SamplingTelemetryProcessor)fieldInfo.GetValue(tc.TelemetryProcessorChain.FirstTelemetryProcessor);
Assert.AreEqual("request;", internalProcessor.ExcludedTypes);
}
public ApplicationInsightsWriter(string instrumentationKey, WriterOptions options)
{
TelemetryConfiguration.Active.InstrumentationKey = instrumentationKey;
TelemetryProcessorChainBuilder builder = TelemetryConfiguration.Active.TelemetryProcessorChainBuilder;
builder.Use(next => new LogMagicTelemetryProcessor(next));
builder.Build();
_telemetryClient = new TelemetryClient(TelemetryConfiguration.Active);
_telemetryClient.InstrumentationKey = instrumentationKey;
_context = new InsightsContext(_telemetryClient, options);
_options = options;
}
