Function AnnotateContext

runtime/context.go:78–88

* AnnotateContext adds context information such as metadata from the request. At a minimum, the RemoteAddr is included in the fashion of "X-Forwarded-For", except that the forwarded destination is not another HTTP service but rather a gRPC service. */

(ctx context.Context, mux *ServeMux, req *http.Request, rpcMethodName string, options ...AnnotateContextOption)

a gRPC service.
*/
func AnnotateContext(ctx context.Context, mux *ServeMux, req *http.Request, rpcMethodName string, options ...AnnotateContextOption) (context.Context, error) {
	ctx, md, err := annotateContext(ctx, mux, req, rpcMethodName, options...)
	if err != nil {
		return nil, err
	}
	if md == nil {
		return ctx, nil
	}

	return metadata.NewOutgoingContext(ctx, md), nil
}

// AnnotateIncomingContext adds context information such as metadata from the request.
// Attach metadata as incoming context.