public void sendContinuations(
final int packetSize, final long messageBodySize, final byte[] body, final boolean continues)
throws Exception {
if (currentLargeMessage == null) {
throw HornetQMessageBundle.BUNDLE.largeMessageNotInitialised();
}
// Immediately release the credits for the continuations- these don't contribute to the
// in-memory size
// of the message
currentLargeMessage.addBytes(body);
if (!continues) {
currentLargeMessage.releaseResources();
if (messageBodySize >= 0) {
currentLargeMessage.putLongProperty(Message.HDR_LARGE_BODY_SIZE, messageBodySize);
}
doSend(currentLargeMessage, false);
currentLargeMessage = null;
}
}
public void finish() throws Exception {
synchronized (lock) {
if (largeMessage == null) {
// handleClose could be calling close while handle is also calling finish.
// As a result one of them could get here after the largeMessage is already gone.
// On that case we just ignore this call
return;
}
if (context != null) {
context.close();
}
largeMessage.releaseResources();
largeMessage.decrementDelayDeletionCount();
if (preAcknowledge && !browseOnly) {
// PreAck will have an extra reference
largeMessage.decrementDelayDeletionCount();
}
largeMessageDeliverer = null;
largeMessage = null;
}
}
private synchronized void doClose(final boolean failed) throws Exception {
if (tx != null && tx.getXid() == null) {
// We only rollback local txs on close, not XA tx branches
try {
rollback(failed, false);
} catch (Exception e) {
HornetQLogger.LOGGER.warn(e.getMessage(), e);
}
}
Set<ServerConsumer> consumersClone = new HashSet<ServerConsumer>(consumers.values());
for (ServerConsumer consumer : consumersClone) {
consumer.close(failed);
}
consumers.clear();
server.removeSession(name);
if (currentLargeMessage != null) {
try {
currentLargeMessage.deleteFile();
} catch (Throwable error) {
HornetQLogger.LOGGER.errorDeletingLargeMessageFile(error);
}
}
remotingConnection.removeFailureListener(this);
callback.closed();
}
public LargeMessageDeliverer(final LargeServerMessage message, final MessageReference ref)
throws Exception {
largeMessage = message;
largeMessage.incrementDelayDeletionCount();
this.ref = ref;
}
public void sendInternalLarge(ServerMessageImpl message, boolean direct) throws Exception {
int headerSize = message.getHeadersAndPropertiesEncodeSize();
if (headerSize >= connection.getMinLargeMessageSize()) {
throw BUNDLE.headerTooBig();
}
StorageManager storageManager = ((ServerSessionImpl) session).getStorageManager();
long id = storageManager.generateUniqueID();
LargeServerMessage largeMessage = storageManager.createLargeMessage(id, message);
byte[] bytes = new byte[message.getBodyBuffer().writerIndex() - MessageImpl.BODY_OFFSET];
message.getBodyBuffer().readBytes(bytes);
largeMessage.addBytes(bytes);
largeMessage.releaseResources();
largeMessage.putLongProperty(Message.HDR_LARGE_BODY_SIZE, bytes.length);
session.send(largeMessage, direct);
largeMessage = null;
}
public boolean delete(final PagedMessage[] messages) throws Exception {
if (storageManager != null) {
storageManager.pageDeleted(storeName, pageId);
}
if (isDebug) {
HornetQServerLogger.LOGGER.debug("Deleting pageId=" + pageId + " on store " + storeName);
}
if (messages != null) {
for (PagedMessage msg : messages) {
if (msg.getMessage().isLargeMessage()) {
LargeServerMessage lmsg = (LargeServerMessage) msg.getMessage();
// Remember, cannot call delete directly here
// Because the large-message may be linked to another message
// or it may still being delivered even though it has been acked already
lmsg.decrementDelayDeletionCount();
}
}
}
try {
if (suspiciousRecords) {
HornetQServerLogger.LOGGER.pageInvalid(file.getFileName(), file.getFileName());
file.renameTo(file.getFileName() + ".invalidPage");
} else {
file.delete();
}
return true;
} catch (Exception e) {
HornetQServerLogger.LOGGER.pageDeleteError(e);
return false;
}
}
public void sendLarge(final MessageInternal message) throws Exception {
// need to create the LargeMessage before continue
long id = storageManager.generateUniqueID();
LargeServerMessage largeMsg = storageManager.createLargeMessage(id, message);
if (HornetQLogger.LOGGER.isTraceEnabled()) {
HornetQLogger.LOGGER.trace("sendLarge::" + largeMsg);
}
if (currentLargeMessage != null) {
HornetQLogger.LOGGER.replacingIncompleteLargeMessage(currentLargeMessage.getMessageID());
}
currentLargeMessage = largeMsg;
}
private void doClose(final boolean failed) throws Exception {
synchronized (this) {
if (closed) return;
if (tx != null && tx.getXid() == null) {
// We only rollback local txs on close, not XA tx branches
try {
rollback(failed, false);
} catch (Exception e) {
HornetQServerLogger.LOGGER.warn(e.getMessage(), e);
}
}
server.removeSession(name);
remotingConnection.removeFailureListener(this);
callback.closed();
closed = true;
}
// putting closing of consumers outside the sync block
// https://issues.jboss.org/browse/HORNETQ-1141
Set<ServerConsumer> consumersClone = new HashSet<ServerConsumer>(consumers.values());
for (ServerConsumer consumer : consumersClone) {
consumer.close(failed);
}
consumers.clear();
if (currentLargeMessage != null) {
try {
currentLargeMessage.deleteFile();
} catch (Throwable error) {
HornetQServerLogger.LOGGER.errorDeletingLargeMessageFile(error);
}
}
}
public boolean deliver() throws Exception {
lockDelivery.readLock().lock();
try {
if (largeMessage == null) {
return true;
}
if (availableCredits != null && availableCredits.get() <= 0) {
if (HornetQServerLogger.LOGGER.isTraceEnabled()) {
HornetQServerLogger.LOGGER.trace(
this
+ "::FlowControl::delivery largeMessage interrupting as there are no more credits, available="
+ availableCredits);
}
return false;
}
if (!sentInitialPacket) {
context = largeMessage.getBodyEncoder();
sizePendingLargeMessage = context.getLargeBodySize();
context.open();
sentInitialPacket = true;
int packetSize =
callback.sendLargeMessage(
largeMessage, id, context.getLargeBodySize(), ref.getDeliveryCount());
if (availableCredits != null) {
availableCredits.addAndGet(-packetSize);
if (HornetQServerLogger.LOGGER.isTraceEnabled()) {
HornetQServerLogger.LOGGER.trace(
this
+ "::FlowControl::"
+ " deliver initialpackage with "
+ packetSize
+ " delivered, available now = "
+ availableCredits);
}
}
// Execute the rest of the large message on a different thread so as not to tie up the
// delivery thread
// for too long
resumeLargeMessage();
return false;
} else {
if (availableCredits != null && availableCredits.get() <= 0) {
if (ServerConsumerImpl.isTrace) {
HornetQServerLogger.LOGGER.trace(
this
+ "::FlowControl::deliverLargeMessage Leaving loop of send LargeMessage because of credits, available="
+ availableCredits);
}
return false;
}
int localChunkLen = 0;
localChunkLen =
(int)
Math.min(
sizePendingLargeMessage - positionPendingLargeMessage, minLargeMessageSize);
HornetQBuffer bodyBuffer = HornetQBuffers.fixedBuffer(localChunkLen);
context.encode(bodyBuffer, localChunkLen);
byte[] body = bodyBuffer.toByteBuffer().array();
int packetSize =
callback.sendLargeMessageContinuation(
id,
body,
positionPendingLargeMessage + localChunkLen < sizePendingLargeMessage,
false);
int chunkLen = body.length;
if (availableCredits != null) {
availableCredits.addAndGet(-packetSize);
if (HornetQServerLogger.LOGGER.isTraceEnabled()) {
HornetQServerLogger.LOGGER.trace(
this
+ "::FlowControl::largeMessage deliver continuation, packetSize="
+ packetSize
+ " available now="
+ availableCredits);
}
}
positionPendingLargeMessage += chunkLen;
if (positionPendingLargeMessage < sizePendingLargeMessage) {
resumeLargeMessage();
return false;
}
}
if (ServerConsumerImpl.isTrace) {
HornetQServerLogger.LOGGER.trace("Finished deliverLargeMessage");
}
finish();
return true;
} finally {
lockDelivery.readLock().unlock();
}
}
public HandleStatus handle(final MessageReference ref) throws Exception {
if (availableCredits != null && availableCredits.get() <= 0) {
if (HornetQServerLogger.LOGGER.isDebugEnabled()) {
HornetQServerLogger.LOGGER.debug(
this
+ " is busy for the lack of credits. Current credits = "
+ availableCredits
+ " Can't receive reference "
+ ref);
}
return HandleStatus.BUSY;
}
// TODO - https://jira.jboss.org/browse/HORNETQ-533
// if (!writeReady.get())
// {
// return HandleStatus.BUSY;
// }
synchronized (lock) {
// If the consumer is stopped then we don't accept the message, it
// should go back into the
// queue for delivery later.
if (!started || transferring) {
return HandleStatus.BUSY;
}
// If there is a pendingLargeMessage we can't take another message
// This has to be checked inside the lock as the set to null is done inside the lock
if (largeMessageDeliverer != null) {
if (HornetQServerLogger.LOGGER.isDebugEnabled()) {
HornetQServerLogger.LOGGER.debug(
this
+ " is busy delivering large message "
+ largeMessageDeliverer
+ ", can't deliver reference "
+ ref);
}
return HandleStatus.BUSY;
}
final ServerMessage message = ref.getMessage();
if (filter != null && !filter.match(message)) {
if (HornetQServerLogger.LOGGER.isTraceEnabled()) {
HornetQServerLogger.LOGGER.trace(
"Reference " + ref + " is a noMatch on consumer " + this);
}
return HandleStatus.NO_MATCH;
}
if (HornetQServerLogger.LOGGER.isTraceEnabled()) {
HornetQServerLogger.LOGGER.trace("Handling reference " + ref);
}
if (!browseOnly) {
if (!preAcknowledge) {
deliveringRefs.add(ref);
}
ref.handled();
ref.incrementDeliveryCount();
// If updateDeliveries = false (set by strict-update),
// the updateDeliveryCount would still be updated after c
if (strictUpdateDeliveryCount && !ref.isPaged()) {
if (ref.getMessage().isDurable()
&& ref.getQueue().isDurable()
&& !ref.getQueue().isInternalQueue()
&& !ref.isPaged()) {
storageManager.updateDeliveryCount(ref);
}
}
if (preAcknowledge) {
if (message.isLargeMessage()) {
// we must hold one reference, or the file will be deleted before it could be delivered
((LargeServerMessage) message).incrementDelayDeletionCount();
}
// With pre-ack, we ack *before* sending to the client
ref.getQueue().acknowledge(ref);
}
}
if (message.isLargeMessage()) {
largeMessageDeliverer = new LargeMessageDeliverer((LargeServerMessage) message, ref);
}
lockDelivery.readLock().lock();
return HandleStatus.HANDLED;
}
}
