FixedLengthServerHandler

@ChannelHandler.Sharable
public class FixedLengthServerHandler extends ChannelInboundHandlerAdapter {
    private AtomicInteger counter = new AtomicInteger(0);
    /*** 服务端读取到网络数据后的处理*/
    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
        ByteBuf in = (ByteBuf) msg;
        String request = in.toString(CharsetUtil.UTF_8);
        System.out.println("Server Accept["+request
                +"] and the counter is:"+counter.incrementAndGet());
        ctx.writeAndFlush(Unpooled.copiedBuffer(
                FixedLengthEchoServer.RESPONSE.getBytes()));
    }
    /*** 发生异常后的处理*/
    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        cause.printStackTrace();
        ctx.close();
    }
}