/**
* Reserves files (with the given fileID) in the specified journal, and places a {@link
* FileWrapperJournal} in place to store messages while synchronization is going on.
*
* @param packet
* @throws Exception
* @return if the incoming packet indicates the synchronization is finished then return an
* acknowledgement otherwise return an empty response
*/
private ReplicationResponseMessageV2 handleStartReplicationSynchronization(
final ReplicationStartSyncMessage packet) throws Exception {
ReplicationResponseMessageV2 replicationResponseMessage = new ReplicationResponseMessageV2();
if (activation.isRemoteBackupUpToDate()) {
throw ActiveMQMessageBundle.BUNDLE.replicationBackupUpToDate();
}
synchronized (this) {
if (!started) return replicationResponseMessage;
if (packet.isSynchronizationFinished()) {
finishSynchronization(packet.getNodeID());
replicationResponseMessage.setSynchronizationIsFinishedAcknowledgement(true);
return replicationResponseMessage;
}
switch (packet.getDataType()) {
case LargeMessages:
for (long msgID : packet.getFileIds()) {
createLargeMessage(msgID, true);
}
break;
case JournalBindings:
case JournalMessages:
if (wantedFailBack && !packet.isServerToFailBack()) {
ActiveMQServerLogger.LOGGER.autoFailBackDenied();
}
final JournalContent journalContent =
SyncDataType.getJournalContentType(packet.getDataType());
final Journal journal = journalsHolder.get(journalContent);
if (packet.getNodeID() != null) {
// At the start of replication, we still do not know which is the nodeID that the live
// uses.
// This is the point where the backup gets this information.
backupQuorum.liveIDSet(packet.getNodeID());
}
Map<Long, JournalSyncFile> mapToFill = filesReservedForSync.get(journalContent);
for (Entry<Long, JournalFile> entry :
journal.createFilesForBackupSync(packet.getFileIds()).entrySet()) {
mapToFill.put(entry.getKey(), new JournalSyncFile(entry.getValue()));
}
FileWrapperJournal syncJournal = new FileWrapperJournal(journal);
registerJournal(journalContent.typeByte, syncJournal);
break;
default:
throw ActiveMQMessageBundle.BUNDLE.replicationUnhandledDataType();
}
}
return replicationResponseMessage;
}
@Override
public int moveMessages(
final int flushLimit,
final String filterStr,
final String otherQueueName,
final boolean rejectDuplicates)
throws Exception {
checkStarted();
clearIO();
try {
Filter filter = FilterImpl.createFilter(filterStr);
Binding binding = postOffice.getBinding(new SimpleString(otherQueueName));
if (binding == null) {
throw ActiveMQMessageBundle.BUNDLE.noQueueFound(otherQueueName);
}
int retValue =
queue.moveReferences(flushLimit, filter, binding.getAddress(), rejectDuplicates);
return retValue;
} finally {
blockOnIO();
}
}
public void connectionCreated(
final ActiveMQComponent component, final Connection connection, final String protocol) {
if (connections.putIfAbsent(connection.getID(), (NettyServerConnection) connection) != null) {
throw ActiveMQMessageBundle.BUNDLE.connectionExists(connection.getID());
}
listener.connectionCreated(component, connection, protocol);
}
public void compareJournalInformation(final JournalLoadInformation[] journalInformation)
throws ActiveMQException {
if (!activation.isRemoteBackupUpToDate()) {
throw ActiveMQMessageBundle.BUNDLE.journalsNotInSync();
}
if (journalLoadInformation == null
|| journalLoadInformation.length != journalInformation.length) {
throw ActiveMQMessageBundle.BUNDLE.replicationTooManyJournals();
}
for (int i = 0; i < journalInformation.length; i++) {
if (!journalInformation[i].equals(journalLoadInformation[i])) {
ActiveMQServerLogger.LOGGER.journalcomparisonMismatch(
journalParametersToString(journalInformation));
throw ActiveMQMessageBundle.BUNDLE.replicationTooManyJournals();
}
}
}
@Override
public void handlePacket(final Packet packet) {
PacketImpl response = new ReplicationResponseMessage();
final byte type = packet.getType();
try {
if (!started) {
return;
}
if (type == PacketImpl.REPLICATION_APPEND) {
handleAppendAddRecord((ReplicationAddMessage) packet);
} else if (type == PacketImpl.REPLICATION_APPEND_TX) {
handleAppendAddTXRecord((ReplicationAddTXMessage) packet);
} else if (type == PacketImpl.REPLICATION_DELETE) {
handleAppendDelete((ReplicationDeleteMessage) packet);
} else if (type == PacketImpl.REPLICATION_DELETE_TX) {
handleAppendDeleteTX((ReplicationDeleteTXMessage) packet);
} else if (type == PacketImpl.REPLICATION_PREPARE) {
handlePrepare((ReplicationPrepareMessage) packet);
} else if (type == PacketImpl.REPLICATION_COMMIT_ROLLBACK) {
handleCommitRollback((ReplicationCommitMessage) packet);
} else if (type == PacketImpl.REPLICATION_PAGE_WRITE) {
handlePageWrite((ReplicationPageWriteMessage) packet);
} else if (type == PacketImpl.REPLICATION_PAGE_EVENT) {
handlePageEvent((ReplicationPageEventMessage) packet);
} else if (type == PacketImpl.REPLICATION_LARGE_MESSAGE_BEGIN) {
handleLargeMessageBegin((ReplicationLargeMessageBeginMessage) packet);
} else if (type == PacketImpl.REPLICATION_LARGE_MESSAGE_WRITE) {
handleLargeMessageWrite((ReplicationLargeMessageWriteMessage) packet);
} else if (type == PacketImpl.REPLICATION_LARGE_MESSAGE_END) {
handleLargeMessageEnd((ReplicationLargeMessageEndMessage) packet);
} else if (type == PacketImpl.REPLICATION_START_FINISH_SYNC) {
response = handleStartReplicationSynchronization((ReplicationStartSyncMessage) packet);
} else if (type == PacketImpl.REPLICATION_SYNC_FILE) {
handleReplicationSynchronization((ReplicationSyncFileMessage) packet);
} else if (type == PacketImpl.REPLICATION_SCHEDULED_FAILOVER) {
handleLiveStopping((ReplicationLiveIsStoppingMessage) packet);
} else if (type == PacketImpl.BACKUP_REGISTRATION_FAILED) {
handleFatalError((BackupReplicationStartFailedMessage) packet);
} else {
ActiveMQServerLogger.LOGGER.invalidPacketForReplication(packet);
}
} catch (ActiveMQException e) {
ActiveMQServerLogger.LOGGER.errorHandlingReplicationPacket(e, packet);
response = new ActiveMQExceptionMessage(e);
} catch (Exception e) {
ActiveMQServerLogger.LOGGER.errorHandlingReplicationPacket(e, packet);
response =
new ActiveMQExceptionMessage(ActiveMQMessageBundle.BUNDLE.replicationUnhandledError(e));
}
channel.send(response);
}
/**
* Receives 'raw' journal/page/large-message data from live server for synchronization of logs.
*
* @param msg
* @throws Exception
*/
private synchronized void handleReplicationSynchronization(ReplicationSyncFileMessage msg)
throws Exception {
Long id = Long.valueOf(msg.getId());
byte[] data = msg.getData();
SequentialFile channel1;
switch (msg.getFileType()) {
case LARGE_MESSAGE:
{
ReplicatedLargeMessage largeMessage = lookupLargeMessage(id, false);
if (!(largeMessage instanceof LargeServerMessageInSync)) {
ActiveMQServerLogger.LOGGER.largeMessageIncompatible();
return;
}
LargeServerMessageInSync largeMessageInSync = (LargeServerMessageInSync) largeMessage;
channel1 = largeMessageInSync.getSyncFile();
break;
}
case PAGE:
{
Page page = getPage(msg.getPageStore(), (int) msg.getId());
channel1 = page.getFile();
break;
}
case JOURNAL:
{
JournalSyncFile journalSyncFile =
filesReservedForSync.get(msg.getJournalContent()).get(id);
FileChannel channel2 = journalSyncFile.getChannel();
if (data == null) {
channel2.close();
return;
}
channel2.write(ByteBuffer.wrap(data));
return;
}
default:
throw ActiveMQMessageBundle.BUNDLE.replicationUnhandledFileType(msg.getFileType());
}
if (data == null) {
channel1.close();
return;
}
if (!channel1.isOpen()) {
channel1.open();
}
channel1.writeDirect(ByteBuffer.wrap(data), true);
}
@Override
public boolean changeMessagePriority(final long messageID, final int newPriority)
throws Exception {
checkStarted();
clearIO();
try {
if (newPriority < 0 || newPriority > 9) {
throw ActiveMQMessageBundle.BUNDLE.invalidNewPriority(newPriority);
}
return queue.changeReferencePriority(messageID, (byte) newPriority);
} finally {
blockOnIO();
}
}
public QueueInfo(
final SimpleString routingName,
final SimpleString clusterName,
final SimpleString address,
final SimpleString filterString,
final long id,
final int distance) {
if (routingName == null) {
throw ActiveMQMessageBundle.BUNDLE.routeNameIsNull();
}
if (clusterName == null) {
throw ActiveMQMessageBundle.BUNDLE.clusterNameIsNull();
}
if (address == null) {
throw ActiveMQMessageBundle.BUNDLE.addressIsNull();
}
this.routingName = routingName;
this.clusterName = clusterName;
this.address = address;
this.filterString = filterString;
this.id = id;
this.distance = distance;
}
@Override
public int changeMessagesPriority(final String filterStr, final int newPriority)
throws Exception {
checkStarted();
clearIO();
try {
if (newPriority < 0 || newPriority > 9) {
throw ActiveMQMessageBundle.BUNDLE.invalidNewPriority(newPriority);
}
Filter filter = FilterImpl.createFilter(filterStr);
return queue.changeReferencesPriority(filter, (byte) newPriority);
} finally {
blockOnIO();
}
}
@Override
public boolean moveMessage(
final long messageID, final String otherQueueName, final boolean rejectDuplicates)
throws Exception {
checkStarted();
clearIO();
try {
Binding binding = postOffice.getBinding(new SimpleString(otherQueueName));
if (binding == null) {
throw ActiveMQMessageBundle.BUNDLE.noQueueFound(otherQueueName);
}
return queue.moveReference(messageID, binding.getAddress(), rejectDuplicates);
} finally {
blockOnIO();
}
}
@Override
public void onNotification(Notification notification) {
if (!(notification.getType() instanceof CoreNotificationType)) return;
CoreNotificationType type = (CoreNotificationType) notification.getType();
TypedProperties props = notification.getProperties();
switch (type) {
case BINDING_ADDED:
{
if (!props.containsProperty(ManagementHelper.HDR_BINDING_TYPE)) {
throw ActiveMQMessageBundle.BUNDLE.bindingTypeNotSpecified();
}
Integer bindingType = props.getIntProperty(ManagementHelper.HDR_BINDING_TYPE);
if (bindingType == BindingType.DIVERT_INDEX) {
return;
}
SimpleString address = props.getSimpleStringProperty(ManagementHelper.HDR_ADDRESS);
destinations.add(address.toString());
break;
}
case BINDING_REMOVED:
{
SimpleString address = props.getSimpleStringProperty(ManagementHelper.HDR_ADDRESS);
destinations.remove(address.toString());
break;
}
default:
// ignore all others
break;
}
}
@Override
public boolean page(
ServerMessage message,
final Transaction tx,
RouteContextList listCtx,
final ReadLock managerLock)
throws Exception {
if (!running) {
throw new IllegalStateException("PagingStore(" + getStoreName() + ") not initialized");
}
boolean full = isFull();
if (addressFullMessagePolicy == AddressFullMessagePolicy.DROP
|| addressFullMessagePolicy == AddressFullMessagePolicy.FAIL) {
if (full) {
if (!printedDropMessagesWarning) {
printedDropMessagesWarning = true;
ActiveMQServerLogger.LOGGER.pageStoreDropMessages(storeName, sizeInBytes.get(), maxSize);
}
if (message.isLargeMessage()) {
((LargeServerMessage) message).deleteFile();
}
if (addressFullMessagePolicy == AddressFullMessagePolicy.FAIL) {
throw ActiveMQMessageBundle.BUNDLE.addressIsFull(address.toString());
}
// Address is full, we just pretend we are paging, and drop the data
return true;
} else {
return false;
}
} else if (addressFullMessagePolicy == AddressFullMessagePolicy.BLOCK) {
return false;
}
// We need to ensure a read lock, as depage could change the paging state
lock.readLock().lock();
try {
// First check done concurrently, to avoid synchronization and increase throughput
if (!paging) {
return false;
}
} finally {
lock.readLock().unlock();
}
managerLock.lock();
try {
lock.writeLock().lock();
try {
if (!paging) {
return false;
}
if (!message.isDurable()) {
// The address should never be transient when paging (even for non-persistent messages
// when paging)
// This will force everything to be persisted
message.forceAddress(address);
}
final long transactionID = tx == null ? -1 : tx.getID();
PagedMessage pagedMessage =
new PagedMessageImpl(message, routeQueues(tx, listCtx), transactionID);
if (message.isLargeMessage()) {
((LargeServerMessage) message).setPaged();
}
int bytesToWrite = pagedMessage.getEncodeSize() + Page.SIZE_RECORD;
if (currentPageSize.addAndGet(bytesToWrite) > pageSize
&& currentPage.getNumberOfMessages() > 0) {
// Make sure nothing is currently validating or using currentPage
openNewPage();
currentPageSize.addAndGet(bytesToWrite);
}
if (tx != null) {
installPageTransaction(tx, listCtx);
}
// the apply counter will make sure we write a record on journal
// especially on the case for non transactional sends and paging
// doing this will give us a possibility of recovering the page counters
applyPageCounters(tx, getCurrentPage(), listCtx);
currentPage.write(pagedMessage);
if (tx == null && syncNonTransactional && message.isDurable()) {
sync();
}
if (isTrace) {
ActiveMQServerLogger.LOGGER.trace(
"Paging message "
+ pagedMessage
+ " on pageStore "
+ this.getStoreName()
+ " pageId="
+ currentPage.getPageId());
}
return true;
} finally {
lock.writeLock().unlock();
}
} finally {
managerLock.unlock();
}
}
private void handleCreateSession(final CreateSessionMessage request) {
boolean incompatibleVersion = false;
Packet response;
try {
Version version = server.getVersion();
if (!version.isCompatible(request.getVersion())) {
throw ActiveMQMessageBundle.BUNDLE.incompatibleClientServer();
}
if (!server.isStarted()) {
throw ActiveMQMessageBundle.BUNDLE.serverNotStarted();
}
// XXX HORNETQ-720 Taylor commented out this test. Should be verified.
/*if (!server.checkActivate())
{
throw new ActiveMQException(ActiveMQException.SESSION_CREATION_REJECTED,
"Server will not accept create session requests");
}*/
if (connection.getClientVersion() == 0) {
connection.setClientVersion(request.getVersion());
} else if (connection.getClientVersion() != request.getVersion()) {
ActiveMQServerLogger.LOGGER.incompatibleVersionAfterConnect(
request.getVersion(), connection.getClientVersion());
}
Channel channel =
connection.getChannel(request.getSessionChannelID(), request.getWindowSize());
ActiveMQPrincipal activeMQPrincipal = null;
if (request.getUsername() == null) {
activeMQPrincipal = connection.getDefaultActiveMQPrincipal();
}
ServerSession session =
server.createSession(
request.getName(),
activeMQPrincipal == null ? request.getUsername() : activeMQPrincipal.getUserName(),
activeMQPrincipal == null ? request.getPassword() : activeMQPrincipal.getPassword(),
request.getMinLargeMessageSize(),
connection,
request.isAutoCommitSends(),
request.isAutoCommitAcks(),
request.isPreAcknowledge(),
request.isXA(),
request.getDefaultAddress(),
new CoreSessionCallback(request.getName(), protocolManager, channel, connection),
true);
ServerSessionPacketHandler handler =
new ServerSessionPacketHandler(session, server.getStorageManager(), channel);
channel.setHandler(handler);
// TODO - where is this removed?
protocolManager.addSessionHandler(request.getName(), handler);
response = new CreateSessionResponseMessage(server.getVersion().getIncrementingVersion());
} catch (ActiveMQException e) {
if (e.getType() == ActiveMQExceptionType.INCOMPATIBLE_CLIENT_SERVER_VERSIONS) {
incompatibleVersion = true;
logger.debug("Sending ActiveMQException after Incompatible client", e);
} else {
ActiveMQServerLogger.LOGGER.failedToCreateSession(e);
}
response = new ActiveMQExceptionMessage(e);
} catch (Exception e) {
ActiveMQServerLogger.LOGGER.failedToCreateSession(e);
response = new ActiveMQExceptionMessage(new ActiveMQInternalErrorException());
}
// send the exception to the client and destroy
// the connection if the client and server versions
// are not compatible
if (incompatibleVersion) {
channel1.sendAndFlush(response);
} else {
channel1.send(response);
}
}