public void OnActivityStartInjectsLegacyHeaders()
{
var listenerWithLegacyHeaders = new HttpCoreDiagnosticSourceListener(
this.configuration,
setComponentCorrelationHttpHeaders: true,
correlationDomainExclusionList: new[] { "excluded.host.com" },
injectLegacyHeaders: true,
injectW3CHeaders: false);
using (listenerWithLegacyHeaders)
{
var activity = new Activity("System.Net.Http.HttpRequestOut");
activity.AddBaggage("k", "v");
activity.Start();
HttpRequestMessage requestMsg = new HttpRequestMessage(HttpMethod.Post, RequestUrlWithScheme);
listenerWithLegacyHeaders.OnActivityStart(requestMsg);
// Request-Id and Correlation-Context are injected by HttpClient
// check only legacy headers here
Assert.AreEqual(Activity.Current.RootId,
requestMsg.Headers.GetValues(RequestResponseHeaders.StandardRootIdHeader).Single());
Assert.AreEqual(Activity.Current.Id,
requestMsg.Headers.GetValues(RequestResponseHeaders.StandardParentIdHeader).Single());
Assert.AreEqual(this.testApplicationId1,
GetRequestContextKeyValue(requestMsg, RequestResponseHeaders.RequestContextCorrelationSourceKey));
}
}
public void OnActivityStartInjectsW3CHeaders()
{
var listenerWithW3CHeaders = new HttpCoreDiagnosticSourceListener(
this.configuration,
setComponentCorrelationHttpHeaders: true,
correlationDomainExclusionList: new[] { "excluded.host.com" },
injectLegacyHeaders: false,
injectW3CHeaders: true);
this.configuration.TelemetryInitializers.Add(new W3COperationCorrelationTelemetryInitializer());
using (listenerWithW3CHeaders)
{
var activity = new Activity("System.Net.Http.HttpRequestOut").SetParentId("|guid.").Start();
HttpRequestMessage requestMsg = new HttpRequestMessage(HttpMethod.Post, RequestUrlWithScheme);
listenerWithW3CHeaders.OnActivityStart(requestMsg);
// Request-Id and Correlation-Context are injected by HttpClient
// check only W3C headers here
Assert.AreEqual(this.testApplicationId1, GetRequestContextKeyValue(requestMsg, RequestResponseHeaders.RequestContextCorrelationSourceKey));
Assert.AreEqual($"00-{activity.GetTraceId()}-{activity.GetSpanId()}-02", requestMsg.Headers.GetValues(W3C.W3CConstants.TraceParentHeader).Single());
Assert.AreEqual($"{W3C.W3CConstants.AzureTracestateNamespace}={this.testApplicationId1}", requestMsg.Headers.GetValues(W3C.W3CConstants.TraceStateHeader).Single());
}
}
public void OnActivityStartInjectsW3CHeadersAndTracksLegacyId()
{
var listenerWithW3CHeaders = new HttpCoreDiagnosticSourceListener(
this.configuration,
setComponentCorrelationHttpHeaders: true,
correlationDomainExclusionList: new string[0],
injectLegacyHeaders: false,
injectW3CHeaders: true);
this.configuration.TelemetryInitializers.Add(new W3COperationCorrelationTelemetryInitializer());
using (listenerWithW3CHeaders)
{
var activity = new Activity("System.Net.Http.HttpRequestOut").SetParentId("foo").Start();
HttpRequestMessage requestMsg = new HttpRequestMessage(HttpMethod.Post, RequestUrlWithScheme);
listenerWithW3CHeaders.OnActivityStart(requestMsg);
// simulate Request-Id injection by .NET
requestMsg.Headers.Add(RequestResponseHeaders.RequestIdHeader, activity.Id);
listenerWithW3CHeaders.OnActivityStop(new HttpResponseMessage(HttpStatusCode.OK), requestMsg, TaskStatus.RanToCompletion);
var telemetry = this.sentTelemetry.Single() as DependencyTelemetry;
Assert.IsNotNull(telemetry);
Assert.IsTrue(telemetry.Properties.ContainsKey(W3C.W3CConstants.LegacyRequestIdProperty));
Assert.AreEqual(activity.Id, telemetry.Properties[W3C.W3CConstants.LegacyRequestIdProperty]);
Assert.IsTrue(telemetry.Properties.ContainsKey(W3C.W3CConstants.LegacyRootIdProperty));
Assert.AreEqual(activity.RootId, telemetry.Properties[W3C.W3CConstants.LegacyRootIdProperty]);
}
}
public void OnStartActivityWithUriInExcludedDomainListW3COff()
{
Activity.DefaultIdFormat = ActivityIdFormat.Hierarchical;
Activity.ForceDefaultIdFormat = true;
HttpRequestMessage requestMsg = new HttpRequestMessage(HttpMethod.Post, "http://excluded.host.com/path/to/file.html");
using (var listener = new HttpCoreDiagnosticSourceListener(
this.configuration,
setComponentCorrelationHttpHeaders: true,
correlationDomainExclusionList: new string[] { "excluded.host.com" },
injectLegacyHeaders: false,
injectRequestIdInW3CMode: true,
HttpInstrumentationVersion.V2))
{
listener.OnActivityStart(requestMsg);
Assert.IsFalse(requestMsg.Headers.Contains(RequestResponseHeaders.RequestContextHeader));
Assert.IsFalse(requestMsg.Headers.Contains(RequestResponseHeaders.RequestIdHeader));
Assert.IsFalse(requestMsg.Headers.Contains(RequestResponseHeaders.StandardParentIdHeader));
Assert.IsFalse(requestMsg.Headers.Contains(RequestResponseHeaders.StandardRootIdHeader));
Assert.IsFalse(requestMsg.Headers.Contains(W3C.W3CConstants.TraceParentHeader));
Assert.IsFalse(requestMsg.Headers.Contains(W3C.W3CConstants.TraceStateHeader));
Assert.IsFalse(requestMsg.Headers.Contains(RequestResponseHeaders.CorrelationContextHeader));
}
}
public void NetCore30_OnActivityStartInjectsLegacyHeaders()
{
var listenerWithLegacyHeaders = new HttpCoreDiagnosticSourceListener(
this.configuration,
setComponentCorrelationHttpHeaders: true,
correlationDomainExclusionList: new[] { "excluded.host.com" },
injectLegacyHeaders: true,
injectRequestIdInW3CMode: true,
HttpInstrumentationVersion.V3);
using (listenerWithLegacyHeaders)
{
var activity = new Activity("System.Net.Http.HttpRequestOut");
activity.AddBaggage("k", "v");
activity.TraceStateString = "trace=state";
activity.Start();
HttpRequestMessage requestMsg = new HttpRequestMessage(HttpMethod.Post, RequestUrlWithScheme);
listenerWithLegacyHeaders.OnActivityStart(requestMsg);
// Traceparent and tracestate and Correlation-Context are injected by HttpClient
// check only legacy headers here
Assert.AreEqual(activity.RootId,
requestMsg.Headers.GetValues(RequestResponseHeaders.StandardRootIdHeader).Single());
Assert.AreEqual(activity.SpanId.ToHexString(), requestMsg.Headers.GetValues(RequestResponseHeaders.StandardParentIdHeader).Single());
Assert.AreEqual(this.testApplicationId1, GetRequestContextKeyValue(requestMsg, RequestResponseHeaders.RequestContextCorrelationSourceKey));
}
}
public void OnActivityStartInjectsHeadersRequestIdOff()
{
using (var listenerWithoutRequestId = new HttpCoreDiagnosticSourceListener(
this.configuration,
setComponentCorrelationHttpHeaders: true,
correlationDomainExclusionList: new[] { "excluded.host.com" },
injectLegacyHeaders: false,
injectRequestIdInW3CMode: false,
HttpInstrumentationVersion.V2))
{
var activity = new Activity("System.Net.Http.HttpRequestOut");
activity.Start();
HttpRequestMessage requestMsg = new HttpRequestMessage(HttpMethod.Post, RequestUrlWithScheme);
listenerWithoutRequestId.OnActivityStart(requestMsg);
Assert.IsFalse(requestMsg.Headers.Contains(RequestResponseHeaders.RequestIdHeader));
var traceparents = requestMsg.Headers.GetValues(W3C.W3CConstants.TraceParentHeader).ToArray();
Assert.AreEqual(1, traceparents.Length);
Assert.AreEqual(activity.Id, traceparents[0]);
}
}
public void NetCore30_OnActivityStartInjectsHeadersRequestIdOff()
{
using (var listenerWithoutRequestId = new HttpCoreDiagnosticSourceListener(
this.configuration,
setComponentCorrelationHttpHeaders: true,
correlationDomainExclusionList: new[] { "excluded.host.com" },
injectLegacyHeaders: false,
injectRequestIdInW3CMode: false,
HttpInstrumentationVersion.V3))
{
var activity = new Activity("System.Net.Http.HttpRequestOut");
activity.AddBaggage("k", "v");
activity.TraceStateString = "trace=state";
activity.Start();
HttpRequestMessage requestMsg = new HttpRequestMessage(HttpMethod.Post, RequestUrlWithScheme);
listenerWithoutRequestId.OnActivityStart(requestMsg);
Assert.IsFalse(requestMsg.Headers.Contains(RequestResponseHeaders.RequestIdHeader));
Assert.IsFalse(requestMsg.Headers.Contains(W3C.W3CConstants.TraceParentHeader));
Assert.IsFalse(requestMsg.Headers.Contains(W3C.W3CConstants.TraceStateHeader));
Assert.IsFalse(requestMsg.Headers.Contains(RequestResponseHeaders.CorrelationContextHeader));
}
}
