if maxIO <= 0 {
		return
	}

	const waitTick = 100 * time.Millisecond

	tmpMaxWait := maxWait

	for currentIO() >= maxIO {
		if tmpMaxWait > 0 {
			if tmpMaxWait < waitTick {
				time.Sleep(tmpMaxWait)
				return
			}
			time.Sleep(waitTick)
			tmpMaxWait -= waitTick
		}
		if tmpMaxWait <= 0 {
			return
		}
	}
}

func currentHTTPIO() int {
	httpServer := newHTTPServerFn()