Function runSingleSpeedTest

main.go:439–480

runSingleSpeedTest 单 IP 测速

(useTLS bool)

// runSingleSpeedTest 单 IP 测速
func runSingleSpeedTest(useTLS bool) {
	scanner := bufio.NewScanner(os.Stdin)

	fmt.Print("请输入需要测速的 IP: ")
	if !scanner.Scan() {
		return
	}
	ip := strings.TrimSpace(scanner.Text())

	defaultPort := 80
	if useTLS {
		defaultPort = 443
	}

	fmt.Printf("请输入需要测速的端口 (默认%d): ", defaultPort)
	var port int
	if scanner.Scan() {
		input := strings.TrimSpace(scanner.Text())
		if input == "" {
			port = defaultPort
		} else {
			val, err := strconv.Atoi(input)
			if err != nil || val <= 0 {
				fmt.Printf("输入无效，已使用默认端口 %d\n", defaultPort)
				port = defaultPort
			} else {
				port = val
			}
		}
	} else {
		port = defaultPort
	}

	fmt.Printf("正在测速 %s 端口 %d\n", ip, port)

	speedKB, tcpMs, dc := runSpeedTestSimple(ip, port, useTLS)
	if dc != "" {
		fmt.Printf("%s 平均速度 %d kB/s, TCP延迟 %dms, 数据中心=%s\n", ip, speedKB, tcpMs, lookupDataCenter(dc))
	} else {
		fmt.Printf("%s 平均速度 %d kB/s, TCP延迟 %dms\n", ip, speedKB, tcpMs)
	}
}

// clearCache 清空缓存，删除所有数据文件，下次运行重新下载
func clearCache() {