Пример #1
0
func main() {
	l, err := conn.Listen("0.0.0.0", PORT)
	if err != nil {
		fmt.Printf("echo server listen error: %v\n", err)
		return
	}

	for {
		c, err := l.Accept()
		if err != nil {
			fmt.Printf("echo server accept error: %v\n", err)
			return
		}

		go echoWorker(c)
	}
}
Пример #2
0
// start listening for user conns
func (p *ProxyServer) Start(c *conn.Conn) (err error) {
	p.CtlConn = c
	p.Init()
	if p.Type == "tcp" {
		l, err := conn.Listen(p.BindAddr, p.ListenPort)
		if err != nil {
			return err
		}
		p.listeners = append(p.listeners, l)
	} else if p.Type == "http" {
		for _, domain := range p.CustomDomains {
			l, err := VhostMuxer.Listen(domain)
			if err != nil {
				return err
			}
			p.listeners = append(p.listeners, l)
		}
	}

	p.Lock()
	p.Status = consts.Working
	p.Unlock()

	// start a goroutine for every listener to accept user connection
	for _, listener := range p.listeners {
		go func(l Listener) {
			for {
				// block
				// if listener is closed, err returned
				c, err := l.Accept()
				if err != nil {
					log.Info("ProxyName [%s], listener is closed", p.Name)
					return
				}
				log.Debug("ProxyName [%s], get one new user conn [%s]", p.Name, c.GetRemoteAddr())

				if p.Status != consts.Working {
					log.Debug("ProxyName [%s] is not working, new user conn close", p.Name)
					c.Close()
					return
				}

				// start another goroutine for join two conns from frpc and user
				go func() {
					workConn, err := p.getWorkConn()
					if err != nil {
						return
					}

					userConn := c
					// msg will transfer to another without modifying
					// l means local, r means remote
					log.Debug("Join two connections, (l[%s] r[%s]) (l[%s] r[%s])", workConn.GetLocalAddr(), workConn.GetRemoteAddr(),
						userConn.GetLocalAddr(), userConn.GetRemoteAddr())

					if p.UseEncryption {
						go conn.JoinMore(userConn, workConn, p.AuthToken)
					} else {
						go conn.Join(userConn, workConn)
					}
				}()
			}
		}(listener)
	}
	return nil
}
Пример #3
0
func main() {
	// the configures parsed from file will be replaced by those from command line if exist
	args, err := docopt.Parse(usage, nil, true, version.Full(), false)

	if args["-c"] != nil {
		server.ConfigFile = args["-c"].(string)
	}
	err = server.LoadConf(server.ConfigFile)
	if err != nil {
		fmt.Println(err)
		os.Exit(-1)
	}

	// reload check
	if args["--reload"] != nil {
		if args["--reload"].(bool) {
			resp, err := http.Get("http://" + server.BindAddr + ":" + fmt.Sprintf("%d", server.DashboardPort) + "/api/reload")
			if err != nil {
				fmt.Printf("frps reload error: %v\n", err)
				os.Exit(1)
			} else {
				defer resp.Body.Close()
				body, err := ioutil.ReadAll(resp.Body)
				if err != nil {
					fmt.Printf("frps reload error: %v\n", err)
					os.Exit(1)
				}
				res := &server.GeneralResponse{}
				err = json.Unmarshal(body, &res)
				if err != nil {
					fmt.Printf("http response error: %v\n", err)
					os.Exit(1)
				} else if res.Code != 0 {
					fmt.Printf("reload error: %s\n", res.Msg)
					os.Exit(1)
				}
				fmt.Printf("reload success\n")
				os.Exit(0)
			}
		}
	}

	if args["-L"] != nil {
		if args["-L"].(string) == "console" {
			server.LogWay = "console"
		} else {
			server.LogWay = "file"
			server.LogFile = args["-L"].(string)
		}
	}

	if args["--log-level"] != nil {
		server.LogLevel = args["--log-level"].(string)
	}

	if args["--addr"] != nil {
		addr := strings.Split(args["--addr"].(string), ":")
		if len(addr) != 2 {
			fmt.Println("--addr format error: example 0.0.0.0:7000")
			os.Exit(1)
		}
		bindPort, err := strconv.ParseInt(addr[1], 10, 64)
		if err != nil {
			fmt.Println("--addr format error, example 0.0.0.0:7000")
			os.Exit(1)
		}
		server.BindAddr = addr[0]
		server.BindPort = bindPort
	}

	if args["-v"] != nil {
		if args["-v"].(bool) {
			fmt.Println(version.Full())
			os.Exit(0)
		}
	}

	log.InitLog(server.LogWay, server.LogFile, server.LogLevel, server.LogMaxDays)

	l, err := conn.Listen(server.BindAddr, server.BindPort)
	if err != nil {
		log.Error("Create server listener error, %v", err)
		os.Exit(1)
	}

	// create vhost if VhostHttpPort != 0
	if server.VhostHttpPort != 0 {
		vhostListener, err := conn.Listen(server.BindAddr, server.VhostHttpPort)
		if err != nil {
			log.Error("Create vhost http listener error, %v", err)
			os.Exit(1)
		}
		server.VhostMuxer, err = vhost.NewHttpMuxer(vhostListener, 30*time.Second)
		if err != nil {
			log.Error("Create vhost httpMuxer error, %v", err)
		}
	}

	// create dashboard web server if DashboardPort is set, so it won't be 0
	if server.DashboardPort != 0 {
		err := server.RunDashboardServer(server.BindAddr, server.DashboardPort)
		if err != nil {
			log.Error("Create dashboard web server error, %v", err)
			os.Exit(1)
		}
	}

	log.Info("Start frps success")
	ProcessControlConn(l)
}