/** * Broadcasts a SSDP discovery message into the network to find provided services. * * @return The Socket the answers will arrive at. * @throws UnknownHostException * @throws IOException * @throws SocketException * @throws UnsupportedEncodingException */ private MulticastSocket sendDiscoveryBroacast() throws UnknownHostException, IOException, SocketException, UnsupportedEncodingException { InetAddress multicastAddress = InetAddress.getByName("239.255.255.250"); final int port = 1900; MulticastSocket socket = new MulticastSocket(port); socket.setReuseAddress(true); socket.setSoTimeout(130000); socket.joinGroup(multicastAddress); byte[] requestMessage = DISCOVER_MESSAGE.getBytes("UTF-8"); DatagramPacket datagramPacket = new DatagramPacket(requestMessage, requestMessage.length, multicastAddress, port); socket.send(datagramPacket); return socket; }
public boolean open(String addr, int port, String bindAddr) { try { ssdpMultiSock = new MulticastSocket(null); ssdpMultiSock.setReuseAddress(true); InetSocketAddress bindSockAddr = new InetSocketAddress(port); ssdpMultiSock.bind(bindSockAddr); ssdpMultiGroup = new InetSocketAddress(InetAddress.getByName(addr), port); ssdpMultiIf = NetworkInterface.getByInetAddress(InetAddress.getByName(bindAddr)); ssdpMultiSock.joinGroup(ssdpMultiGroup, ssdpMultiIf); } catch (Exception e) { Debug.warning(e); return false; } return true; }
public Node(HazelcastInstanceImpl hazelcastInstance, Config config, NodeContext nodeContext) { this.hazelcastInstance = hazelcastInstance; this.threadGroup = hazelcastInstance.threadGroup; this.config = config; configClassLoader = config.getClassLoader(); this.groupProperties = new GroupProperties(config); SerializationService ss; try { ss = new SerializationServiceBuilder() .setClassLoader(configClassLoader) .setConfig(config.getSerializationConfig()) .setManagedContext(hazelcastInstance.managedContext) .setHazelcastInstance(hazelcastInstance) .build(); } catch (Exception e) { throw ExceptionUtil.rethrow(e); } serializationService = (SerializationServiceImpl) ss; systemLogService = new SystemLogService(groupProperties.SYSTEM_LOG_ENABLED.getBoolean()); final AddressPicker addressPicker = nodeContext.createAddressPicker(this); try { addressPicker.pickAddress(); } catch (Throwable e) { throw ExceptionUtil.rethrow(e); } final ServerSocketChannel serverSocketChannel = addressPicker.getServerSocketChannel(); address = addressPicker.getPublicAddress(); localMember = new MemberImpl(address, true, UuidUtil.createMemberUuid(address)); String loggingType = groupProperties.LOGGING_TYPE.getString(); loggingService = new LoggingServiceImpl( systemLogService, config.getGroupConfig().getName(), loggingType, localMember); logger = loggingService.getLogger(Node.class.getName()); initializer = NodeInitializerFactory.create(configClassLoader); try { initializer.beforeInitialize(this); } catch (Throwable e) { try { serverSocketChannel.close(); } catch (Throwable ignored) { } throw ExceptionUtil.rethrow(e); } securityContext = config.getSecurityConfig().isEnabled() ? initializer.getSecurityContext() : null; nodeEngine = new NodeEngineImpl(this); clientEngine = new ClientEngineImpl(this); connectionManager = nodeContext.createConnectionManager(this, serverSocketChannel); partitionService = new PartitionServiceImpl(this); clusterService = new ClusterServiceImpl(this); textCommandService = new TextCommandServiceImpl(this); initializer.printNodeInfo(this); buildNumber = initializer.getBuildNumber(); VersionCheck.check(this, initializer.getBuild(), initializer.getVersion()); JoinConfig join = config.getNetworkConfig().getJoin(); MulticastService mcService = null; try { if (join.getMulticastConfig().isEnabled()) { MulticastConfig multicastConfig = join.getMulticastConfig(); MulticastSocket multicastSocket = new MulticastSocket(null); multicastSocket.setReuseAddress(true); // bind to receive interface multicastSocket.bind(new InetSocketAddress(multicastConfig.getMulticastPort())); multicastSocket.setTimeToLive(multicastConfig.getMulticastTimeToLive()); try { // set the send interface final Address bindAddress = addressPicker.getBindAddress(); // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4417033 // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6402758 if (!bindAddress.getInetAddress().isLoopbackAddress()) { multicastSocket.setInterface(bindAddress.getInetAddress()); } } catch (Exception e) { logger.warning(e); } multicastSocket.setReceiveBufferSize(64 * 1024); multicastSocket.setSendBufferSize(64 * 1024); String multicastGroup = System.getProperty("hazelcast.multicast.group"); if (multicastGroup == null) { multicastGroup = multicastConfig.getMulticastGroup(); } multicastConfig.setMulticastGroup(multicastGroup); multicastSocket.joinGroup(InetAddress.getByName(multicastGroup)); multicastSocket.setSoTimeout(1000); mcService = new MulticastService(this, multicastSocket); mcService.addMulticastListener(new NodeMulticastListener(this)); } } catch (Exception e) { logger.severe(e); } this.multicastService = mcService; initializeListeners(config); joiner = nodeContext.createJoiner(this); }