AllIdleTimeoutTask Class — netty Architecture

Source Code

handler/src/main/java/io/netty/handler/timeout/IdleStateHandler.java lines 563–600

    private final class AllIdleTimeoutTask extends AbstractIdleTask {

        AllIdleTimeoutTask(ChannelHandlerContext ctx) {
            super(ctx);
        }

        @Override
        protected void run(ChannelHandlerContext ctx) {

            long nextDelay = allIdleTimeNanos;
            if (!reading) {
                nextDelay -= ticker.nanoTime() - Math.max(lastReadTime, lastWriteTime);
            }
            if (nextDelay <= 0) {
                // Both reader and writer are idle - set a new timeout and
                // notify the callback.
                allIdleTimeout = schedule(ctx, this, allIdleTimeNanos, TimeUnit.NANOSECONDS);

                boolean first = firstAllIdleEvent;
                firstAllIdleEvent = false;

                try {
                    if (hasOutputChanged(ctx, first)) {
                        return;
                    }

                    IdleStateEvent event = newIdleStateEvent(IdleState.ALL_IDLE, first);
                    channelIdle(ctx, event);
                } catch (Throwable t) {
                    ctx.fireExceptionCaught(t);
                }
            } else {
                // Either read or write occurred before the timeout - set a new
                // timeout with shorter delay.
                allIdleTimeout = schedule(ctx, this, nextDelay, TimeUnit.NANOSECONDS);
            }
        }
    }