NewEntryPointMiddleware creates a new metrics middleware for an Entrypoint.

NewRetryListener instantiates a MetricsRetryListener with the given retryMetrics.

NewRouterMiddleware creates a new metrics middleware for a Router.

NewServiceMiddleware creates a new metrics middleware for a Service.

WrapEntryPointHandler Wraps metrics entrypoint to alice.Constructor.

WrapRouterHandler Wraps metrics router to alice.Constructor.

WrapServiceHandler Wraps metrics service to alice.Constructor.

RetryListener is an implementation of the RetryListener interface to record RequestMetrics about retry attempts.