Function sleep

dialer.go:418–435

(ctx context.Context, duration time.Duration)

}

func sleep(ctx context.Context, duration time.Duration) bool {
	if duration == 0 {
		select {
		default:
			return true
		case <-ctx.Done():
			return false
		}
	}
	timer := time.NewTimer(duration)
	defer timer.Stop()
	select {
	case <-timer.C:
		return true
	case <-ctx.Done():
		return false
	}
}

func backoff(attempt int, min time.Duration, max time.Duration) time.Duration {
	d := time.Duration(attempt*attempt) * min