LineBaseServerHandler

@ChannelHandler.Sharable
public class LineBaseServerHandler extends ChannelInboundHandlerAdapter {
    private AtomicInteger counter = new AtomicInteger(0);
    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        System.out.println("客户端：["+ctx.channel().remoteAddress()+"]已连接.........");
    }
    /*** 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());
        String resp = "Hello,"+request+". Welcome to Netty World!"
                + System.getProperty("line.separator");
        ctx.writeAndFlush(Unpooled.copiedBuffer(resp.getBytes()));
    }
    /*** 服务端读取完成网络数据后的处理*/
    @Override
    public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
        //ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
    }
    /*** 发生异常后的处理*/
    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        cause.printStackTrace();
        ctx.close();
    }
    @Override
    public void channelInactive(ChannelHandlerContext ctx) throws Exception {
        System.out.println(ctx.channel().remoteAddress()+"即将关闭...");
    }
}