Class RequestContextPipelineExtensions

Namespace

IceRpc

Assembly

IceRpc.RequestContext.dll

Provides an extension method for Pipeline to add the request context interceptor.

public static class RequestContextPipelineExtensions

Inheritance

object

RequestContextPipelineExtensions

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Methods

UseRequestContext(Pipeline)

Adds a RequestContextInterceptor to this pipeline.

public static Pipeline UseRequestContext(this Pipeline pipeline)

Parameters

pipeline Pipeline

The pipeline being configured.

Returns

Pipeline

The pipeline being configured.

Examples

The following code adds the request context interceptor to the invocation pipeline.

// Create a client connection.
await using var connection = new ClientConnection(new Uri("icerpc://localhost"));

// Add the request context interceptor to the invocation pipeline.
Pipeline pipeline = new Pipeline()
    .UseRequestContext()
    .Into(connection);

var greeterProxy = new GreeterProxy(pipeline);

// Create a feature collection holding an IRequestContextFeature.
IFeatureCollection features = new FeatureCollection().With<IRequestContextFeature>(
    new RequestContextFeature
    {
        ["UserId"] = Environment.UserName.ToLowerInvariant(),
        ["MachineName"] = Environment.MachineName
    });

// The request context interceptor encodes the request context feature into the request context field.
string greeting = await greeterProxy.GreetAsync(Environment.UserName, features);

See Also

https://github.com/icerpc/icerpc-csharp/tree/main/examples/RequestContext