backend

type RedisOptions struct {
	Network       string
	Host          string
	Port          int
	SentinelAddrs string
	SentinelName  string
	Password      string
	DB            int
}

type RoutesBackend interface {
	Healthcheck() error
	Backends(host string) (string, []string, map[int]struct{}, error)
	MarkDead(host string, backend string, backendIdx int, backendLen int, deadTTL int) error
	StartMonitor() error
	StopMonitor()
}