[Obsolete("Use Google.Cloud.Diagnostics.Common.HttpClientBuilderExtensions.AddOutgoingGoogleTraceHandler insted. For more information see https://docs.microsoft.com/en-us/dotnet/architecture/microservices/implement-resilient-applications/use-httpclientfactory-to-implement-resilient-http-requests")]
public class TraceHeaderPropagatingHandler : UnchainedTraceHeaderPropagatingHandler, IDisposableTraces outgoing HTTP requests and propagates the trace header.
Inheritance
Object > HttpMessageHandler > DelegatingHandler > UnchainedTraceHeaderPropagatingHandler > TraceHeaderPropagatingHandlerImplements
IDisposableNamespace
Google.Cloud.Diagnostics.CommonAssembly
Google.Cloud.Diagnostics.Common.dll
Remarks
Ensures the trace header is propagated in the headers for outgoing HTTP requests and traces the total time of the outgoing HTTP request. This is only done if tracing is initialized and tracing is enabled for the current request.
Constructors
TraceHeaderPropagatingHandler(Func<IManagedTracer>, Action<HttpRequestMessage, ITraceContext>, HttpMessageHandler)
public TraceHeaderPropagatingHandler(Func<IManagedTracer> managedTracerFactory, Action<HttpRequestMessage, ITraceContext> traceContextPropagator, HttpMessageHandler innerHandler = null)Constructs a new instance using the given delegate to obtain the "current" tracer on each request.
| Name | Description |
| managedTracerFactory | Func<IManagedTracer>A delegate used to obtain the "current" tracer for each request. The delegate should therefore be thread-safe. |
| traceContextPropagator | Action<HttpRequestMessage, ITraceContext>The trace context propagator used to set the trace context on the outgoing HTTP request. May be null, in which case the Google Trace Header will be set. |
| innerHandler | HttpMessageHandlerThe inner handler to delegate to. May be null, in which case a new HttpClientHandler will be used. |
TraceHeaderPropagatingHandler(Func<IManagedTracer>, HttpMessageHandler)
public TraceHeaderPropagatingHandler(Func<IManagedTracer> managedTracerFactory, HttpMessageHandler innerHandler = null)Constructs a new instance using the given delegate to obtain the "current" tracer on each request.
| Name | Description |
| managedTracerFactory | Func<IManagedTracer>A delegate used to obtain the "current" tracer for each request. The delegate should therefore be thread-safe. |
| innerHandler | HttpMessageHandlerThe inner handler to delegate to. May be null, in which case a new HttpClientHandler will be used. |