static void displayInfo(NetworkInterface netint) throws IOException { inetAddresses = netint.getInterfaceAddresses(); System.out.println("some information about my link:"); System.out.printf("Display name: %s\n", netint.getDisplayName()); System.out.printf("Name: %s\n", netint.getName()); System.out.printf("Up? %s\n", netint.isUp()); System.out.printf("Loopback? %s\n", netint.isLoopback()); System.out.printf("PointToPoint? %s\n", netint.isPointToPoint()); System.out.printf("Supports multicast? %s\n", netint.supportsMulticast()); System.out.printf("Virtual? %s\n", netint.isVirtual()); System.out.printf("Hardware address: %s\n", Arrays.toString(netint.getHardwareAddress())); System.out.printf("MTU: %s\n", netint.getMTU()); System.out.printf("\n"); System.out.println( "my ip address is: " + ((InterfaceAddress) inetAddresses.get(0)).getAddress()); System.out.println( "the sunnetmask address is: " + ((InterfaceAddress) inetAddresses.get(0)).getNetworkPrefixLength()); System.out.println("the broadcast address of this subnet is:" + bcid); }
/** * Discover WS device on the local network * * @return list of unique devices access strings which might be URLs in most cases */ public static Collection<String> discoverWsDevices() { final Collection<String> addresses = new ConcurrentSkipListSet<>(); final CountDownLatch serverStarted = new CountDownLatch(1); final CountDownLatch serverFinished = new CountDownLatch(1); final Collection<InetAddress> addressList = new ArrayList<>(); try { final Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces(); if (interfaces != null) { while (interfaces.hasMoreElements()) { NetworkInterface anInterface = interfaces.nextElement(); if (!anInterface.isLoopback()) { final List<InterfaceAddress> interfaceAddresses = anInterface.getInterfaceAddresses(); for (InterfaceAddress address : interfaceAddresses) { addressList.add(address.getAddress()); } } } } } catch (SocketException e) { e.printStackTrace(); } ExecutorService executorService = Executors.newCachedThreadPool(); for (final InetAddress address : addressList) { Runnable runnable = new Runnable() { public void run() { try { final String uuid = UUID.randomUUID().toString(); final String probe = WS_DISCOVERY_PROBE_MESSAGE.replaceAll( "<wsa:MessageID>urn:uuid:.*</wsa:MessageID>", "<wsa:MessageID>urn:uuid:" + uuid + "</wsa:MessageID>"); final int port = random.nextInt(20000) + 40000; @SuppressWarnings("SocketOpenedButNotSafelyClosed") final DatagramSocket server = new DatagramSocket(port, address); new Thread() { public void run() { try { final DatagramPacket packet = new DatagramPacket(new byte[4096], 4096); server.setSoTimeout(WS_DISCOVERY_TIMEOUT); long timerStarted = System.currentTimeMillis(); while (System.currentTimeMillis() - timerStarted < (WS_DISCOVERY_TIMEOUT)) { serverStarted.countDown(); server.receive(packet); final Collection<String> collection = parseSoapResponseForUrls( Arrays.copyOf(packet.getData(), packet.getLength())); for (String key : collection) { addresses.add(key); } } } catch (SocketTimeoutException ignored) { } catch (Exception e) { e.printStackTrace(); } finally { serverFinished.countDown(); server.close(); } } }.start(); try { serverStarted.await(1000, TimeUnit.MILLISECONDS); } catch (InterruptedException e) { e.printStackTrace(); } if (address instanceof Inet4Address) { server.send( new DatagramPacket( probe.getBytes(), probe.length(), InetAddress.getByName(WS_DISCOVERY_ADDRESS_IPv4), WS_DISCOVERY_PORT)); } else { server.send( new DatagramPacket( probe.getBytes(), probe.length(), InetAddress.getByName(WS_DISCOVERY_ADDRESS_IPv6), WS_DISCOVERY_PORT)); } } catch (Exception e) { e.printStackTrace(); } try { serverFinished.await((WS_DISCOVERY_TIMEOUT), TimeUnit.MILLISECONDS); } catch (InterruptedException e) { e.printStackTrace(); } } }; executorService.submit(runnable); } try { executorService.shutdown(); executorService.awaitTermination(WS_DISCOVERY_TIMEOUT + 2000, TimeUnit.MILLISECONDS); } catch (InterruptedException ignored) { } return addresses; }
public void run() { try { this.serverSocket = new ServerSocket(Settings.getPropertyInteger("server_port")); } catch (Exception e) { Logger.log( Level.WARNING, Messages.getString("can_not_open_port_", Settings.getLocale()) + Settings.getPropertyInteger("server_port")); if (FancyFileServer.getGUI() != null) { FancyFileServer.getGUI().updateServerStatus(); } return; } running = true; this.parameters = new BasicHttpParams(); this.parameters.setIntParameter(HttpConnectionParams.SO_TIMEOUT, 5000); this.parameters.setIntParameter(HttpConnectionParams.SOCKET_BUFFER_SIZE, 8 * 1024); this.parameters.setBooleanParameter(HttpConnectionParams.STALE_CONNECTION_CHECK, false); this.parameters.setBooleanParameter(HttpConnectionParams.TCP_NODELAY, true); this.parameters.setParameter( HttpProtocolParams.ORIGIN_SERVER, FancyFileServer.NAME.replaceAll("\\s", "-") + "/" + FancyFileServer.VERSION); Logger.log(Level.INFO, Messages.getString("server_started", Settings.getLocale())); try { Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces(); while (interfaces.hasMoreElements()) { NetworkInterface i = (NetworkInterface) interfaces.nextElement(); if (i.isLoopback() || i.isVirtual()) { continue; } Enumeration<InetAddress> addresses = i.getInetAddresses(); while (addresses.hasMoreElements()) { InetAddress a = (InetAddress) addresses.nextElement(); if (a instanceof Inet4Address) { Logger.log( Level.INFO, Messages.getString("server_address_", Settings.getLocale()) + "http://" + a.getHostAddress() + ":" + serverSocket.getLocalPort() + "/"); } } } } catch (Exception e) { Logger.log( Level.WARNING, Messages.getString("can_not_get_server_address_", Settings.getLocale()) + e.getMessage()); } if (FancyFileServer.getGUI() != null) { FancyFileServer.getGUI().updateServerStatus(); } while (running) { try { /** Set up HTTP connection */ Socket socket = this.serverSocket.accept(); DefaultHttpServerConnection connection = new DefaultHttpServerConnection(); Logger.log( Level.DEBUG, Messages.getString("incoming_connection_from_", Settings.getLocale()) + socket.getInetAddress().getHostAddress()); connection.bind(socket, this.parameters); /** Set up HTTP protocol processor */ BasicHttpProcessor processor = new BasicHttpProcessor(); processor.addInterceptor(new ResponseDate()); processor.addInterceptor(new ResponseServer()); processor.addInterceptor(new ResponseContent()); processor.addInterceptor(new ResponseConnControl()); /** Set up HTTP request handlers */ HttpRequestHandlerRegistry registry = new HttpRequestHandlerRegistry(); registry.register("*", new FileHandler()); /** Set up HTTP service */ HttpService service = new HttpService( processor, new DefaultConnectionReuseStrategy(), new DefaultHttpResponseFactory(), registry, this.parameters); /** Start worker thread */ WorkerThread t = new WorkerThread(this, service, connection); t.setDaemon(true); t.start(); } catch (IOException e) { if (running) { running = false; Logger.log( Level.SEVERE, Messages.getString("i_o_error_", Settings.getLocale()) + e.getMessage()); break; } } } if (FancyFileServer.getGUI() != null) { FancyFileServer.getGUI().updateServerStatus(); } Logger.log(Level.INFO, Messages.getString("server_stopped", Settings.getLocale())); }