/** * @param ref * @param message */ private void deliverStandardMessage(final MessageReference ref, final ServerMessage message) { int packetSize = callback.sendMessage(message, id, ref.getDeliveryCount()); if (availableCredits != null) { availableCredits.addAndGet(-packetSize); if (HornetQServerLogger.LOGGER.isTraceEnabled()) { HornetQServerLogger.LOGGER.trace( this + "::FlowControl::delivery standard taking " + packetSize + " from credits, available now is " + availableCredits); } } }
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(); } }