anmolnar commented on a change in pull request #753: ZOOKEEPER-3204: Reconfig tests are constantly failing on 3.5 after applying Java 11 fix URL: https://github.com/apache/zookeeper/pull/753#discussion_r253897440
########## File path: zookeeper-server/src/main/java/org/apache/zookeeper/server/NettyServerCnxn.java ########## @@ -303,19 +277,126 @@ private boolean checkFourLetterWord(final Channel channel, } } - public void receiveMessage(ChannelBuffer message) { + /** + * Process incoming message. This should only be called from the event + * loop thread. + * @param buf the message bytes to process. + */ + void processMessage(ByteBuf buf) { + assert channel.eventLoop().inEventLoop(); + if (LOG.isDebugEnabled()) { + LOG.debug("0x{} queuedBuffer: {}", + Long.toHexString(sessionId), + queuedBuffer); + } + + if (LOG.isTraceEnabled()) { + LOG.trace("0x{} buf {}", + Long.toHexString(sessionId), + ByteBufUtil.hexDump(buf)); + } + + if (throttled.get()) { + LOG.debug("Received message while throttled"); + // we are throttled, so we need to queue + if (queuedBuffer == null) { + LOG.debug("allocating queue"); + queuedBuffer = channel.alloc().buffer(buf.readableBytes()); + } + queuedBuffer.writeBytes(buf); + if (LOG.isTraceEnabled()) { + LOG.trace("0x{} queuedBuffer {}", + Long.toHexString(sessionId), + ByteBufUtil.hexDump(queuedBuffer)); + } + } else { + LOG.debug("not throttled"); + if (queuedBuffer != null) { + queuedBuffer.writeBytes(buf); + processQueuedBuffer(); + } else { + receiveMessage(buf); + // Have to check !closingChannel, because an error in + // receiveMessage() could have led to close() being called. + if (!closingChannel && buf.isReadable()) { + if (LOG.isTraceEnabled()) { + LOG.trace("Before copy {}", buf); + } + if (queuedBuffer == null) { + queuedBuffer = channel.alloc().buffer(buf.readableBytes()); + } + queuedBuffer.writeBytes(buf); + if (LOG.isTraceEnabled()) { + LOG.trace("Copy is {}", queuedBuffer); + LOG.trace("0x{} queuedBuffer {}", + Long.toHexString(sessionId), + ByteBufUtil.hexDump(queuedBuffer)); + } + } + } + } + } + + /** + * Try to process previously queued message. This should only be called + * from the event loop thread. + */ + void processQueuedBuffer() { + assert channel.eventLoop().inEventLoop(); Review comment: Same here. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services