NewConn returns a net.Conn object that wraps c and produces metrics on the default engine.

NewConnWith returns a net.Conn object that wraps c and produces metrics on eng.

NewHandler returns a Handler object that warps hdl and produces metrics on the default engine.

NewHandlerWith returns a Handler object that warps hdl and produces metrics on eng.

NewListener returns a new net.Listener which uses the stats.DefaultEngine.

NewListenerWith returns a new net.Listener with the provided *stats.Engine.

Handler is an interface that can be implemented by types that serve network connections.