/**
* Is notified of multicast messages. These messages are sent to the group, if their direction is
* {@link org.bundlebee.registry.net.MultiCastMessage.Direction#OUT}.
*
* @param multiCastMessage multiCastMessage
*/
public void processMessage(final MultiCastMessage multiCastMessage) {
if (Direction.OUT.equals(multiCastMessage.getDirection())) {
this.sendToGroup(multiCastMessage);
} else {
if (LOG.isDebugEnabled()) {
LOG.debug(
"Not sending message, because its direction is not "
+ Direction.OUT
+ ", but "
+ multiCastMessage.getDirection());
}
}
}
/**
* Sends a private message.
*
* @param message message
* @param address address to send the message to
* @param port port to send the message to
* @throws IOException if sending fails
*/
private void sendPrivateMessage(
final MultiCastMessage message, final InetAddress address, final int port)
throws IOException {
privateSocket.send(toDatagramPacket(message.toString(), address, port));
if (LOG.isDebugEnabled()) {
LOG.debug("Sent " + message + " to " + address + ":" + port);
}
}
/**
* Processes a privately received message.
*
* @param message message
* @throws IOException if a response request fails
*/
private void processPrivateMessage(final String message) throws IOException {
try {
final MultiCastMessage multiCastMessage = new MultiCastMessage(message);
if (multiCastMessage.getType() == MultiCastMessage.Type.LS) {
final InetAddress address = multiCastMessage.getSenderAddress();
final int port = multiCastMessage.getSenderPort();
// sending everything to remote private port
for (final MultiCastMessage mcm : ((RegistryImpl) RegistryImpl.getInstance()).getList()) {
sendPrivateMessage(mcm, address, port);
}
} else if (multiCastMessage.getType() == MultiCastMessage.Type.HI) {
final InetAddress address = multiCastMessage.getSenderAddress();
final int port = multiCastMessage.getSenderPort();
if (multiCastMessage.getNodeId() == RegistryImpl.getInstance().getNodeId()) {
if (LOG.isDebugEnabled()) {
LOG.debug("HI message is from this node, doing nothing.");
}
} else {
if (lsRequestSent < maxLsRequests) {
if (LOG.isDebugEnabled()) {
LOG.debug("Sending ls request to " + address);
}
sendPrivateMessage(
new MultiCastMessage(nodeId, MultiCastMessage.Type.LS, getSender()), address, port);
lsRequestSent++;
} else {
if (LOG.isDebugEnabled()) {
LOG.debug("Max ls requests already sent, doing nothing.");
}
}
}
} else {
if (multiCastMessage.isValid()) {
multiCastMessage.setDirection(Direction.IN);
fireMessage(multiCastMessage);
}
}
} catch (RuntimeException e) {
LOG.error(BUNDLE_MARKER, "Failed to process private message: " + e.toString(), e);
}
}
public void sendToGroup(final MultiCastMessage multiCastMessage) {
if (multiCastMessage.isValid()) {
// reset ls request count, when we send HI
if (multiCastMessage.getType() == MultiCastMessage.Type.HI) {
lsRequestSent = 0;
// make sure we have a sender set
// even if the directory does not know, who we are
if (multiCastMessage.getValues().getProperty(MultiCastMessage.PROPERTYKEY_SENDER) == null) {
multiCastMessage
.getValues()
.setProperty(MultiCastMessage.PROPERTYKEY_SENDER, getSender());
}
}
sendToGroup(multiCastMessage.toString());
} else {
if (LOG.isDebugEnabled()) {
LOG.debug(
BUNDLE_MARKER, "not sending message, because it is not valid: " + multiCastMessage);
}
}
}
/**
* Processes a message.
*
* @param message message
* @throws IOException if something goes wrong
*/
private void processGroupMessage(final String message) throws IOException {
try {
final MultiCastMessage multiCastMessage = new MultiCastMessage(message);
if (multiCastMessage.getType() == MultiCastMessage.Type.HI
&& multiCastMessage.getNodeId() != RegistryImpl.getInstance().getNodeId()) {
final InetAddress address = multiCastMessage.getSenderAddress();
final int port = multiCastMessage.getSenderPort();
// we don't use datagramPacket.getAddress(), because of
// http://bugs.sun.com/view_bug.do?bug_id=4717228
// -hendrik
sendPrivateMessage(
new MultiCastMessage(nodeId, MultiCastMessage.Type.HI, getSender()), address, port);
}
if (LOG.isInfoEnabled()) {
LOG.info(BUNDLE_MARKER, "(NODE) processing node message: " + message);
}
if (multiCastMessage.isValid()) {
multiCastMessage.setDirection(Direction.IN);
fireMessage(multiCastMessage);
}
} catch (RuntimeException e) {
LOG.error(BUNDLE_MARKER, "Failed to process group message: " + e.toString(), e);
}
}
