Example usage for io.netty.channel.socket ChannelInputShutdownEvent INSTANCE

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In this page you can find the example usage for io.netty.channel.socket ChannelInputShutdownEvent INSTANCE.

Prototype

ChannelInputShutdownEvent INSTANCE

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Instance to use

Usage

From source file:org.fusesource.hawtdispatch.netty.HawtSocketChannel.java

License:Apache License

private void onReadReady() {
    final ChannelPipeline pipeline = pipeline();
    final ByteBuf byteBuf = pipeline.inboundByteBuffer();
    boolean closed = false;
    boolean read = false;
    boolean firedInboundBufferSuspended = false;
    try {/*w  ww  .  jav a 2 s .  c  om*/
        expandReadBuffer(byteBuf);
        loop: for (;;) {

            int localReadAmount = byteBuf.writeBytes(javaChannel(), byteBuf.writableBytes());
            if (localReadAmount > 0) {
                read = true;
            } else if (localReadAmount < 0) {
                closed = true;
                break;
            }

            switch (expandReadBuffer(byteBuf)) {
            case 0:
                // Read all - stop reading.
                break loop;
            case 1:
                // Keep reading until everything is read.
                break;
            case 2:
                // Let the inbound handler drain the buffer and continue reading.
                if (read) {
                    read = false;
                    pipeline.fireInboundBufferUpdated();
                    if (!byteBuf.isWritable()) {
                        throw new IllegalStateException(
                                "an inbound handler whose buffer is full must consume at " + "least one byte.");
                    }
                }
            }
        }
    } catch (Throwable t) {
        if (read) {
            read = false;
            pipeline.fireInboundBufferUpdated();
        }

        if (t instanceof IOException) {
            closed = true;
        } else if (!closed) {
            firedInboundBufferSuspended = true;
            pipeline.fireChannelReadSuspended();
        }
        pipeline().fireExceptionCaught(t);
    } finally {
        if (read) {
            pipeline.fireInboundBufferUpdated();
        }

        if (closed) {
            setInputShutdown();
            if (isOpen()) {
                if (Boolean.TRUE.equals(config().getOption(ChannelOption.ALLOW_HALF_CLOSURE))) {
                    pipeline.fireUserEventTriggered(ChannelInputShutdownEvent.INSTANCE);
                } else {
                    close(newPromise());
                }
            }
        } else if (!firedInboundBufferSuspended) {
            pipeline.fireChannelReadSuspended();
        }

        if (!config().isAutoRead()) {
            readSource.suspend();
        }
    }
}

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