/// <summary>
/// Initializes a new instance of the <see cref="ApplicationInsightsHttpModule"/> class.
/// </summary>
public ApplicationInsightsHttpModule()
{
try
{
// The call initializes TelemetryConfiguration that will create and Intialize modules
TelemetryConfiguration configuration = TelemetryConfiguration.Active;
foreach (var module in TelemetryModules.Instance.Modules)
{
if (module is RequestTrackingTelemetryModule)
{
this.requestModule = (RequestTrackingTelemetryModule)module;
}
else
{
if (module is ExceptionTrackingTelemetryModule)
{
this.exceptionModule = (ExceptionTrackingTelemetryModule)module;
}
}
}
}
catch (Exception exc)
{
this.isEnabled = false;
WebEventSource.Log.WebModuleInitializationExceptionEvent(exc.ToInvariantString());
}
}
public void OnErrorDoesNotThrowOnNullContext()
{
var module = new ExceptionTrackingTelemetryModule();
module.Initialize(this.configuration);
module.OnError(null); // is not supposed to throw
}
/// <summary>
/// Initializes a new instance of the <see cref="ApplicationInsightsHttpModule"/> class.
/// </summary>
public ApplicationInsightsHttpModule()
{
try
{
// The call initializes TelemetryConfiguration that will create and Intialize modules
TelemetryConfiguration configuration = TelemetryConfiguration.Active;
foreach (var module in TelemetryModules.Instance.Modules)
{
if (module is RequestTrackingTelemetryModule)
{
this.requestModule = (RequestTrackingTelemetryModule)module;
}
else
{
if (module is ExceptionTrackingTelemetryModule)
{
this.exceptionModule = (ExceptionTrackingTelemetryModule)module;
}
}
}
}
catch (Exception exc)
{
this.isEnabled = false;
WebEventSource.Log.WebModuleInitializationExceptionEvent(exc.ToInvariantString());
}
}
public void OnErrorDoesNotThrowOnNullContext()
{
var module = new ExceptionTrackingTelemetryModule();
module.Initialize(this.configuration);
module.OnError(null); // is not supposed to throw
}
public void MvcExceptionFilterIsNotInjectedIsInjectionIsDisabled()
{
using (var exceptionModule = new ExceptionTrackingTelemetryModule())
{
exceptionModule.EnableMvcAndWebApiExceptionAutoTracking = false;
exceptionModule.Initialize(this.configuration);
Assert.IsFalse(GlobalFilters.Filters.Any());
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ApplicationInsightsHttpModule"/> class.
/// </summary>
public ApplicationInsightsHttpModule()
{
try
{
// The call initializes TelemetryConfiguration that will create and Intialize modules
TelemetryConfiguration configuration = TelemetryConfiguration.Active;
foreach (var module in TelemetryModules.Instance.Modules)
{
if (module is RequestTrackingTelemetryModule)
{
this.requestModule = (RequestTrackingTelemetryModule)module;
}
else
{
if (module is ExceptionTrackingTelemetryModule)
{
this.exceptionModule = (ExceptionTrackingTelemetryModule)module;
}
}
}
// We use reflection here because 'AddOnSendingHeaders' is only available post .net framework 4.5.2. Hence we call it if we can find it.
// Not using reflection would result in MissingMethodException when 4.5 or 4.5.1 is present.
this.addOnSendingHeadersMethod = typeof(HttpResponse).GetMethod("AddOnSendingHeaders");
this.addOnSendingHeadersMethodExists = this.addOnSendingHeadersMethod != null;
if (this.addOnSendingHeadersMethodExists)
{
this.addOnSendingHeadersMethodParam = new Action <HttpContext>((httpContext) =>
{
try
{
if (this.requestModule != null)
{
this.requestModule.AddTargetHashForResponseHeader(httpContext);
}
}
catch (Exception ex)
{
WebEventSource.Log.AddTargetHeaderFailedWarning(ex.ToInvariantString());
}
});
this.addOnSendingHeadersMethodParams = new object[] { this.addOnSendingHeadersMethodParam };
#if !NET40
this.openDelegateForInvokingAddOnSendingHeadersMethod = this.CreateOpenDelegate(this.addOnSendingHeadersMethod);
#endif
}
}
catch (Exception exc)
{
this.isEnabled = false;
WebEventSource.Log.WebModuleInitializationExceptionEvent(exc.ToInvariantString());
}
}
public void OnErrorSetsSeverityToCriticalForRequestWithStatusCode500()
{
var platformContext = HttpModuleHelper.GetFakeHttpContext();
platformContext.Response.StatusCode = 500;
platformContext.AddError(new Exception());
var module = new ExceptionTrackingTelemetryModule();
module.Initialize(this.configuration);
module.OnError(platformContext);
Assert.Equal(SeverityLevel.Critical, ((ExceptionTelemetry)this.sendItems[0]).SeverityLevel);
}
public void OnErrorSetsSeverityToCriticalForRequestWithStatusCode500()
{
var platformContext = HttpModuleHelper.GetFakeHttpContext();
platformContext.Response.StatusCode = 500;
platformContext.AddError(new Exception());
var module = new ExceptionTrackingTelemetryModule();
module.Initialize(this.configuration);
module.OnError(platformContext);
Assert.Equal(SeverityLevel.Critical, ((ExceptionTelemetry)this.sendItems[0]).SeverityLevel);
}
public void MvcExceptionLoggerIsNotInjectedIfAnotherInjectionDetected()
{
GlobalFilters.Filters.Add(new MvcAutoInjectedFilter());
Assert.AreEqual(1, GlobalFilters.Filters.Count);
using (var exceptionModule = new ExceptionTrackingTelemetryModule())
{
exceptionModule.Initialize(this.configuration);
var filters = GlobalFilters.Filters;
Assert.AreEqual(1, filters.Count);
Assert.IsInstanceOfType(filters.Single().Instance, typeof(MvcAutoInjectedFilter));
}
}
public void OnErrorTracksExceptionsThatArePresentInHttpContext()
{
var platformContext = HttpModuleHelper.GetFakeHttpContext();
var exception1 = new Exception("1");
platformContext.AddError(exception1);
platformContext.AddError(new Exception("2"));
var module = new ExceptionTrackingTelemetryModule();
module.Initialize(this.configuration);
module.OnError(platformContext);
Assert.Equal(2, this.sendItems.Count);
Assert.Equal(exception1, ((ExceptionTelemetry)this.sendItems[0]).Exception);
}
public void OnErrorTracksExceptionsThatArePresentInHttpContext()
{
var platformContext = HttpModuleHelper.GetFakeHttpContext();
var exception1 = new Exception("1");
platformContext.AddError(exception1);
platformContext.AddError(new Exception("2"));
var module = new ExceptionTrackingTelemetryModule();
module.Initialize(this.configuration);
module.OnError(platformContext);
Assert.Equal(2, this.sendItems.Count);
Assert.Equal(exception1, ((ExceptionTelemetry)this.sendItems[0]).Exception);
}
public void MvcExceptionFilterNoopIfCustomErrorsIsFalse()
{
using (var exceptionModule = new ExceptionTrackingTelemetryModule())
{
exceptionModule.Initialize(this.configuration);
var mvcExceptionFilters = GlobalFilters.Filters;
Assert.AreEqual(1, mvcExceptionFilters.Count);
var handleExceptionFilter = (HandleErrorAttribute)mvcExceptionFilters.Single().Instance;
Assert.IsNotNull(handleExceptionFilter);
var exception = new Exception("test");
var controllerCtx = HttpModuleHelper.GetFakeControllerContext(isCustomErrorEnabled: false);
handleExceptionFilter.OnException(new ExceptionContext(controllerCtx, exception));
Assert.IsFalse(this.sentTelemetry.Any());
}
}
/// <summary>
/// Initializes the telemetry module.
/// </summary>
/// <param name="configuration">Telemetry configuration to use for initialization.</param>
public void Initialize(TelemetryConfiguration configuration)
{
try
{
foreach (var module in TelemetryModules.Instance.Modules)
{
if (module is RequestTrackingTelemetryModule requestTrackingModule)
{
this.requestModule = requestTrackingModule;
}
else if (module is ExceptionTrackingTelemetryModule exceptionTracingModule)
{
this.exceptionModule = exceptionTracingModule;
}
}
}
catch (Exception exc)
{
this.isEnabled = false;
WebEventSource.Log.WebModuleInitializationExceptionEvent(exc.ToInvariantString());
}
this.allListenerSubscription = DiagnosticListener.AllListeners.Subscribe(this);
}
public AspNetEventObserver(RequestTrackingTelemetryModule requestModule, ExceptionTrackingTelemetryModule exceptionModule)
{
this.requestModule = requestModule;
this.exceptionModule = exceptionModule;
}