@Override
public void channelInactive(final ChannelHandlerContext ctx) throws Exception {
+ // First of all, delegates disconnect event notification into ConnectionAdapter -> OF Plugin -> queue.close()
+ // -> queueHandler.onConnectionQueueChanged(null). The last call causes that no more entries are enqueued
+ // in the queue.
super.channelInactive(ctx);
LOG.debug("Channel {} initiating shutdown...", ctx.channel());
+ // Then we start queue shutdown, start counting written messages (so that we don't keep sending messages
+ // indefinitely) and failing not completed entries.
shuttingDown = true;
final long entries = currentQueue.startShutdown(ctx.channel());
LOG.debug("Cleared {} queue entries from channel {}", entries, ctx.channel());
+ // Finally, we schedule flush task that will take care of unflushed entries. We also cover the case,
+ // when there is more than shutdownOffset messages enqueued in unflushed segments
+ // (AbstractStackedOutboundQueue#finishShutdown()).
scheduleFlush();
}