Java tutorial
/* * Copyright 2012 The Netty Project * * The Netty Project licenses this file to you under the Apache License, * version 2.0 (the "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. */ package cn.yesway.demo.book.delimiter; import io.netty.buffer.Unpooled; import io.netty.channel.ChannelHandlerAdapter; import io.netty.channel.ChannelHandlerContext; /** * @author lilinfeng * @date 2014214 * @version 1.0 */ public class EchoClientHandler extends ChannelHandlerAdapter { private int counter; static final String ECHO_REQ = "Hi, Lilinfeng. Welcome to Netty.$_"; /** * Creates a client-side handler. */ public EchoClientHandler() { } @Override public void channelActive(ChannelHandlerContext ctx) { // ByteBuf buf = UnpooledByteBufAllocator.DEFAULT.buffer(ECHO_REQ // .getBytes().length); // buf.writeBytes(ECHO_REQ.getBytes()); for (int i = 0; i < 10; i++) { ctx.writeAndFlush(Unpooled.copiedBuffer(ECHO_REQ.getBytes())); } } @Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { System.out.println("This is " + ++counter + " times receive server : [" + msg + "]"); } @Override public void channelReadComplete(ChannelHandlerContext ctx) throws Exception { ctx.flush(); } @Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) { cause.printStackTrace(); ctx.close(); } }