@Override
public int send(String mess) throws Exception, RemoteException, RemoteException {
if (s == null) {
try {
group = InetAddress.getByName(config.getGroup());
if (config.getHost() != null) {
InetAddress addr = InetAddress.getByName(config.getHost());
InetSocketAddress addrs = new InetSocketAddress(addr, config.getMultiport());
s = new MulticastSocket(addrs);
} else s = new MulticastSocket(config.getMultiport());
s.setTimeToLive(config.getTtl());
s.joinGroup(group);
} catch (Exception ex) {
log.error("Unable to use multicast: " + ex);
s = null;
return -1;
}
}
byte[] buf;
buf = mess.getBytes(US_ASCII);
DatagramPacket data = new DatagramPacket(buf, buf.length, group, config.getMultiport());
try {
s.send(data);
} catch (Exception ex) {
log.error("Unable to send colllected load information: " + ex);
s.close();
s = null;
return -1;
}
return 0;
}
/**
* Connect the socket. Called by MIOPListener.
*
* @param profile
* @param time_out unused, we use SO_TIMEOUT
*/
@Override
public void connect(Profile profile, long time_out) {
if (!is_connected()) {
if (profile instanceof MIOPProfile) {
this.profile = (MIOPProfile) profile;
} else {
throw new org.omg.CORBA.BAD_PARAM(
"attempt to connect an MIOP connection "
+ "to a non-MIOP profile: "
+ profile.getClass());
}
try {
socket = new MulticastSocket(((MIOPProfile) profile).getUIPMCProfile().the_port);
socket.setSoTimeout(socketTimeout);
socket.setTimeToLive(timeToLive);
socket.joinGroup(((MIOPProfile) profile).getGroupInetAddress());
connection_info = socket.toString();
} catch (Exception e) {
if (socket != null) {
socket.close();
}
throw new RuntimeException("Can't create multicast socket: " + profile);
}
connected = true;
groupListener.start();
}
}
private void createSocket() throws IOException {
if (this.getTheSocket() == null) {
MulticastSocket socket;
if (this.isAcknowledge()) {
if (logger.isDebugEnabled()) {
logger.debug("Listening for acks on port: " + this.getAckPort());
}
if (localAddress == null) {
socket = new MulticastSocket(this.getAckPort());
} else {
InetAddress whichNic = InetAddress.getByName(this.localAddress);
socket = new MulticastSocket(new InetSocketAddress(whichNic, this.getAckPort()));
}
if (this.getSoReceiveBufferSize() > 0) {
socket.setReceiveBufferSize(this.getSoReceiveBufferSize());
}
} else {
socket = new MulticastSocket();
}
if (this.timeToLive >= 0) {
socket.setTimeToLive(this.timeToLive);
}
setSocketAttributes(socket);
if (localAddress != null) {
InetAddress whichNic = InetAddress.getByName(this.localAddress);
NetworkInterface intfce = NetworkInterface.getByInetAddress(whichNic);
socket.setNetworkInterface(intfce);
}
this.setSocket(socket);
}
}
public Object makeObject(Object key) throws Exception {
ImmutableEndpoint ep = (ImmutableEndpoint) key;
MulticastSocket socket = (MulticastSocket) super.makeObject(key);
socket.setLoopbackMode(((MulticastConnector) ep.getConnector()).isLoopback());
int ttl = ((MulticastConnector) ep.getConnector()).getTimeToLive();
if (ttl != Connector.INT_VALUE_NOT_SET) {
socket.setTimeToLive(ttl);
}
return socket;
}
@Override
public void setTimeToLive(int ttl) {
if (socket instanceof MulticastSocket) {
try {
((MulticastSocket) socket).setTimeToLive(ttl);
} catch (IOException e) {
throw new ChannelException(e);
}
} else {
throw new UnsupportedOperationException();
}
}
/** INTERNAL: Create the multicast socket and join the multicast group. */
public void createCommunicationSocket() {
Object[] args = {multicastGroupAddress, "" + multicastPort};
rcm.logDebug("initializing_discovery_resources", args);
if (communicationSocket == null) {
try {
communicationSocket = new MulticastSocket(multicastPort);
communicationSocket.setTimeToLive(getPacketTimeToLive());
communicationSocket.joinGroup(InetAddress.getByName(multicastGroupAddress));
} catch (IOException ex) {
// Either we couldn't create the socket or we couldn't join the group
DiscoveryException discoveryEx = DiscoveryException.errorJoiningMulticastGroup(ex);
rcm.handleException(discoveryEx);
}
}
}
private void startMultiCastSocket() throws IOException {
int bindPort = Discovery.DEFAULT_SSDP_SEARCH_PORT;
String port = System.getProperty("net.sbbi.upnp.Discovery.bindPort");
if (port != null) {
bindPort = Integer.parseInt(port);
}
skt = new java.net.MulticastSocket(null);
skt.bind(new InetSocketAddress(InetAddress.getByName("0.0.0.0"), bindPort));
skt.setTimeToLive(Discovery.DEFAULT_TTL);
skt.setSoTimeout(DEFAULT_TIMEOUT);
skt.joinGroup(InetAddress.getByName(Discovery.SSDP_IP));
byte[] buf = new byte[2048];
input = new DatagramPacket(buf, buf.length);
}
public boolean send(String msg, String bindAddr, int bindPort) {
try {
MulticastSocket msock;
if ((bindAddr) != null && (0 < bindPort)) {
msock = new MulticastSocket(null);
msock.bind(new InetSocketAddress(bindAddr, bindPort));
} else msock = new MulticastSocket();
DatagramPacket dgmPacket = new DatagramPacket(msg.getBytes(), msg.length(), ssdpMultiGroup);
// Thnaks for Tho Beisch (11/09/04)
msock.setTimeToLive(4);
msock.send(dgmPacket);
msock.close();
} catch (Exception e) {
Debug.warning(e);
return false;
}
return true;
}
public void start() throws Exception {
if (can_bind_to_mcast_addr) // https://jira.jboss.org/jira/browse/JGRP-836 - prevent cross
// talking on Linux
mcast_sock =
Util.createMulticastSocket(
getSocketFactory(), Global.MPING_MCAST_SOCK, mcast_addr, mcast_port, log);
else mcast_sock = getSocketFactory().createMulticastSocket(Global.MPING_MCAST_SOCK, mcast_port);
mcast_sock.setTimeToLive(ip_ttl);
if (receive_on_all_interfaces
|| (receive_interfaces != null && !receive_interfaces.isEmpty())) {
List<NetworkInterface> interfaces;
if (receive_interfaces != null) interfaces = receive_interfaces;
else interfaces = Util.getAllAvailableInterfaces();
bindToInterfaces(interfaces, mcast_sock, mcast_addr);
} else {
if (bind_addr != null) mcast_sock.setInterface(bind_addr);
mcast_sock.joinGroup(mcast_addr);
}
// 3b. Create mcast sender socket
if (send_on_all_interfaces || (send_interfaces != null && !send_interfaces.isEmpty())) {
List interfaces;
NetworkInterface intf;
if (send_interfaces != null) interfaces = send_interfaces;
else interfaces = Util.getAllAvailableInterfaces();
mcast_send_sockets = new MulticastSocket[interfaces.size()];
int index = 0;
for (Iterator it = interfaces.iterator(); it.hasNext(); ) {
intf = (NetworkInterface) it.next();
mcast_send_sockets[index] = new MulticastSocket();
mcast_send_sockets[index].setNetworkInterface(intf);
mcast_send_sockets[index].setTimeToLive(ip_ttl);
index++;
}
}
startReceiver();
super.start();
}
@Before
public void assumeMulticast() throws Exception {
InetAddress multicastAddress = InetAddress.getByName("239.255.0.1");
// Make sure receiver is setup before the sender, otherwise the packet gets lost
MulticastSocket receiver = new MulticastSocket(0);
receiver.joinGroup(multicastAddress);
MulticastSocket sender = new MulticastSocket();
sender.setTimeToLive(1);
sender.send(
new DatagramPacket(new byte[] {1}, 0, 1, multicastAddress, receiver.getLocalPort()));
sender.close();
byte[] buffer = new byte[1];
receiver.setSoTimeout(1000);
try {
receiver.receive(new DatagramPacket(buffer, 0, buffer.length));
} catch (SocketTimeoutException x) {
Assume.assumeNoException(x);
} finally {
receiver.close();
}
}
/**
* Creates an array of sockets with TTL and network interface set.
*
* @param mcastTTL multicast TTL.
* @return an array of multicast sockets to broadcast on.
* @throws IOException if I/O error occurred while creating a multicast socket.
* @noinspection SocketOpenedButNotSafelyClosed, ConstantConditions
*/
private static MulticastSocket[] createSockets(final int mcastTTL) throws IOException {
Exception lastException = null; // Records last error in case we could not create any sockets
final List<MulticastSocket> socketList = new ArrayList<MulticastSocket>(11);
final Enumeration<NetworkInterface> enumeration = NetworkInterface.getNetworkInterfaces();
while (enumeration.hasMoreElements()) {
try {
final NetworkInterface netIf = enumeration.nextElement();
final MulticastSocket socket = new MulticastSocket(); // NOPMD
socket.setTimeToLive(mcastTTL);
socket.setNetworkInterface(netIf);
socket.setSendBufferSize(SEND_BUFFER_SIZE);
socketList.add(socket);
} catch (final Exception e) {
lastException = e;
ExceptionUtils.ignoreException(e, "continue to connect to those we can");
}
}
if (socketList.isEmpty()) {
throw new IOException(
"Could not create at least one multicast socket. Last error: " + lastException);
}
return socketList.toArray(new MulticastSocket[socketList.size()]);
}
/**
* Create UDP sender and receiver sockets. Currently there are 2 sockets (sending and receiving).
* This is due to Linux's non-BSD compatibility in the JDK port (see DESIGN).
*/
void createSockets() throws Exception {
InetAddress tmp_addr = null;
// bind_addr not set, try to assign one by default. This is needed on Windows
// changed by bela Feb 12 2003: by default multicast sockets will be bound to all network
// interfaces
// CHANGED *BACK* by bela March 13 2003: binding to all interfaces did not result in a correct
// local_addr. As a matter of fact, comparison between e.g. 0.0.0.0:1234 (on hostA) and
// 0.0.0.0:1.2.3.4 (on hostB) would fail !
if (bind_addr == null) {
InetAddress[] interfaces =
InetAddress.getAllByName(InetAddress.getLocalHost().getHostAddress());
if (interfaces != null && interfaces.length > 0) bind_addr = interfaces[0];
}
if (bind_addr == null) bind_addr = InetAddress.getLocalHost();
if (bind_addr != null && Trace.trace) {
Trace.info(
"UDP.createSockets()",
"unicast sockets will use interface " + bind_addr.getHostAddress());
// 2. Create socket for receiving unicast UDP packets. The address and port
// of this socket will be our local address (local_addr)
// 27-6-2003 bgooren, find available port in range (start_port, start_port+port_range)
}
int rcv_port = bind_port, max_port = bind_port + port_range;
while (rcv_port <= max_port) {
try {
sock = new DatagramSocket(rcv_port, bind_addr);
break;
} catch (SocketException bind_ex) { // Cannot listen on this port
rcv_port++;
} catch (SecurityException sec_ex) { // Not allowed to list on this port
rcv_port++;
}
// Cannot listen at all, throw an Exception
if (rcv_port == max_port + 1) { // +1 due to the increment above
throw new Exception(
"UDP.createSockets(): cannot list on any port in range "
+ bind_port
+ "-"
+ (bind_port + port_range));
}
}
// ucast_recv_sock=new DatagramSocket(bind_port, bind_addr);
if (sock == null) {
throw new Exception("UDP.createSocket(): sock is null");
}
local_addr = new IpAddress(sock.getLocalAddress(), sock.getLocalPort());
if (additional_data != null) {
local_addr.setAdditionalData(additional_data);
// 3. Create socket for receiving IP multicast packets
}
if (ip_mcast) {
mcast_sock = new MulticastSocket(mcast_port);
mcast_sock.setTimeToLive(ip_ttl);
if (bind_addr != null) {
mcast_sock.setInterface(bind_addr);
}
tmp_addr = InetAddress.getByName(mcast_addr_name);
mcast_addr = new IpAddress(tmp_addr, mcast_port);
mcast_sock.joinGroup(tmp_addr);
}
setBufferSizes();
if (Trace.trace) {
Trace.info("UDP.createSockets()", "socket information:\n" + dumpSocketInfo());
}
}
public void setTimeToLive(int ttl) throws IOException {
usock.setTimeToLive(ttl);
}
public void start(
InetAddress addr,
InetAddress bind_addr,
int port,
int ttl,
final long timeout,
List query,
String match,
boolean weed_out_duplicates)
throws Exception {
mcast_sock = new MulticastSocket();
mcast_sock.setTimeToLive(ttl);
if (bind_addr != null) mcast_sock.setInterface(bind_addr);
StringBuilder request = new StringBuilder();
for (int i = 0; i < query.size(); i++) {
request.append(query.get(i)).append(" ");
}
byte[] probe_buf = request.toString().getBytes();
DatagramPacket probe = new DatagramPacket(probe_buf, 0, probe_buf.length, addr, port);
mcast_sock.send(probe);
System.out.println("\n-- send probe on " + addr + ':' + port + '\n');
new Thread() {
public void run() {
Util.sleep(timeout);
mcast_sock.close();
running = false;
}
}.start();
int matched = 0, not_matched = 0, count = 0;
String response;
while (running) {
byte[] buf = new byte[65000];
DatagramPacket rsp = new DatagramPacket(buf, 0, buf.length);
try {
mcast_sock.receive(rsp);
} catch (Throwable t) {
System.out.println("\n");
return;
}
byte[] data = rsp.getData();
response = new String(data, 0, rsp.getLength());
if (weed_out_duplicates && checkDuplicateResponse(response)) {
continue;
}
if (matches(response, match)) {
matched++;
System.out.println("\n#" + ++count + " (" + rsp.getLength() + " bytes):\n" + response);
} else not_matched++;
}
System.out.println(
"\nTotal responses="
+ count
+ ", "
+ matched
+ " matches, "
+ not_matched
+ " non-matches");
}
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);
}
