public class DelimiterClientHandler extends SimpleChannelInboundHandler<ByteBuf> { private AtomicInteger counter = new AtomicInteger(0); /*** 客户端读取到网络数据后的处理*/ protected void channelRead0(ChannelHandlerContext ctx, ByteBuf msg) throws Exception { System.out.println("client Accept["+msg.toString(CharsetUtil.UTF_8) +"] and the counter is:"+counter.incrementAndGet()); } /*** 客户端被通知channel活跃后,做事*/ @Override public void channelActive(ChannelHandlerContext ctx) throws Exception { ByteBuf msg = null; String request = "Mark,Lison,King,James,Deer" + DelimiterEchoServer.DELIMITER_SYMBOL; for(int i=0;i<10;i++){ msg = Unpooled.buffer(request.length()); msg.writeBytes(request.getBytes()); ctx.writeAndFlush(msg); } } /*** 发生异常后的处理*/ @Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception { cause.printStackTrace(); ctx.close(); }}