func startSvr(tu *Tunnel) {
	go func() {
		logger.Init("")
		defer logger.Finalize()
		Run(tu)
	}()
}
Esempio n. 2
0
func main() {
	flag.UintVar(&ePort, "eport", 0, "port proxy listen")
	flag.StringVar(&iIp, "iip", "127.0.0.1", "inner ip proxy connect to")
	flag.UintVar(&iPort, "iport", 0, "inner port proxy connect to")
	flag.Uint64Var(&limit, "limit", 0, "limit size per time window(in bytes)")
	flag.UintVar(&window, "window", 0, "time window to check the limit(in seconds)")
	flag.StringVar(&logFile, "l", "", "log file name")
	flag.Usage = func() {
		fmt.Fprintf(os.Stderr, "usage: %s -eport external_port -iport internal_port [-iip internal_ip] -limit limit_size -window time_window -l log_file\n", os.Args[0])
		flag.PrintDefaults()
		os.Exit(-1)
	}
	flag.Parse()
	if ePort == 0 || iPort == 0 || logFile == "" || limit == 0 || window == 0 {
		flag.Usage()
	}
	ip := net.ParseIP(iIp)
	if ip == nil {
		fmt.Fprintln(os.Stderr, "Invalid ip:", iIp)
		flag.Usage()
	}

	err := logger.Init(logFile)
	if err != nil {
		fmt.Println("Init log file error:", err)
		os.Exit(-1)
	}
	defer logger.Finalize()

	// Handle signal
	go signalHand()

	t := tunnel.Tunnel{
		EPort:     ePort,
		IIp:       ip,
		IPort:     iPort,
		Limit:     limit,
		Window:    window,
		CheckTime: time.Now(),
	}
	tunnel.Run(&t)
}