Пример #1
0
func requestProcessor() {
	for request := range requests {
		if debug {
			log.Println("Request for", request.relay)
		}
		if !client.TestRelay(request.uri, []tls.Certificate{testCert}, time.Second, 2*time.Second, 3) {
			if debug {
				log.Println("Test for relay", request.relay, "failed")
			}
			request.result <- result{fmt.Errorf("test failed"), 0}
			continue
		}

		mut.Lock()
		timer, ok := evictionTimers[request.relay.uri.Host]
		if ok {
			if debug {
				log.Println("Stopping existing timer for", request.relay)
			}
			timer.Stop()
		}

		for i, current := range knownRelays {
			if current.uri.Host == request.relay.uri.Host {
				if debug {
					log.Println("Relay", request.relay, "already exists")
				}

				// Evict the old entry anyway, as configuration might have changed.
				last := len(knownRelays) - 1
				knownRelays[i] = knownRelays[last]
				knownRelays = knownRelays[:last]

				goto found
			}
		}

		if debug {
			log.Println("Adding new relay", request.relay)
		}

	found:

		knownRelays = append(knownRelays, request.relay)

		evictionTimers[request.relay.uri.Host] = time.AfterFunc(evictionTime, evict(request.relay))
		mut.Unlock()
		request.result <- result{nil, evictionTime}
	}

}
Пример #2
0
func requestProcessor() {
	for request := range requests {
		if debug {
			log.Println("Request for", request.relay)
		}
		if !client.TestRelay(request.uri, []tls.Certificate{testCert}, 250*time.Millisecond, 4) {
			if debug {
				log.Println("Test for relay", request.relay, "failed")
			}
			request.result <- result{fmt.Errorf("test failed"), 0}
			continue
		}

		mut.Lock()
		timer, ok := evictionTimers[request.relay.uri.Host]
		if ok {
			if debug {
				log.Println("Stopping existing timer for", request.relay)
			}
			timer.Stop()
		}

		for _, current := range knownRelays {
			if current.uri.Host == request.relay.uri.Host {
				if debug {
					log.Println("Relay", request.relay, "already exists")
				}
				goto found
			}
		}

		if debug {
			log.Println("Adding new relay", request.relay)
		}
		knownRelays = append(knownRelays, request.relay)

	found:
		evictionTimers[request.relay.uri.Host] = time.AfterFunc(evictionTime, evict(request.relay))
		mut.Unlock()
		request.result <- result{nil, evictionTime}
	}

}
Пример #3
0
func main() {
	log.SetOutput(os.Stdout)
	log.SetFlags(log.LstdFlags | log.Lshortfile)

	var connect, relay, dir string
	var join, test bool

	flag.StringVar(&connect, "connect", "", "Device ID to which to connect to")
	flag.BoolVar(&join, "join", false, "Join relay")
	flag.BoolVar(&test, "test", false, "Generic relay test")
	flag.StringVar(&relay, "relay", "relay://127.0.0.1:22067", "Relay address")
	flag.StringVar(&dir, "keys", ".", "Directory where cert.pem and key.pem is stored")

	flag.Parse()

	certFile, keyFile := filepath.Join(dir, "cert.pem"), filepath.Join(dir, "key.pem")
	cert, err := tls.LoadX509KeyPair(certFile, keyFile)
	if err != nil {
		log.Fatalln("Failed to load X509 key pair:", err)
	}

	id := syncthingprotocol.NewDeviceID(cert.Certificate[0])
	log.Println("ID:", id)

	uri, err := url.Parse(relay)
	if err != nil {
		log.Fatal(err)
	}

	stdin := make(chan string)

	go stdinReader(stdin)

	if join {
		log.Println("Creating client")
		relay, err := client.NewClient(uri, []tls.Certificate{cert}, nil, 10*time.Second)
		if err != nil {
			log.Fatal(err)
		}
		log.Println("Created client")

		go relay.Serve()

		recv := make(chan protocol.SessionInvitation)

		go func() {
			log.Println("Starting invitation receiver")
			for invite := range relay.Invitations() {
				select {
				case recv <- invite:
					log.Println("Received invitation", invite)
				default:
					log.Println("Discarding invitation", invite)
				}
			}
		}()

		for {
			conn, err := client.JoinSession(<-recv)
			if err != nil {
				log.Fatalln("Failed to join", err)
			}
			log.Println("Joined", conn.RemoteAddr(), conn.LocalAddr())
			connectToStdio(stdin, conn)
			log.Println("Finished", conn.RemoteAddr(), conn.LocalAddr())
		}
	} else if connect != "" {
		id, err := syncthingprotocol.DeviceIDFromString(connect)
		if err != nil {
			log.Fatal(err)
		}

		invite, err := client.GetInvitationFromRelay(uri, id, []tls.Certificate{cert}, 10*time.Second)
		if err != nil {
			log.Fatal(err)
		}

		log.Println("Received invitation", invite)
		conn, err := client.JoinSession(invite)
		if err != nil {
			log.Fatalln("Failed to join", err)
		}
		log.Println("Joined", conn.RemoteAddr(), conn.LocalAddr())
		connectToStdio(stdin, conn)
		log.Println("Finished", conn.RemoteAddr(), conn.LocalAddr())
	} else if test {
		if client.TestRelay(uri, []tls.Certificate{cert}, time.Second, 2*time.Second, 4) {
			log.Println("OK")
		} else {
			log.Println("FAIL")
		}
	} else {
		log.Fatal("Requires either join or connect")
	}
}