handler

type Forwarder interface {
	Forward(chain.Hop)
}

type HandleOption func(opts *HandleOptions)

type HandleOptions struct {
	Metadata metadata.Metadata
}

type Handler interface {
	Init(metadata.Metadata) error
	Handle(context.Context, net.Conn, ...HandleOption) error
}

type Option func(opts *Options)

type Options struct {
	Router    *chain.Router
	Auth      *url.Userinfo
	Auther    auth.Authenticator
	TLSConfig *tls.Config
	Logger    logger.Logger
	Service   string
}