73 lines
2.1 KiB
Java
73 lines
2.1 KiB
Java
/*
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* Copyright 2022 learn-netty4 Project
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*
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* The learn-netty4 Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package com.flydean08.pojo;
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import io.netty.channel.ChannelFuture;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.channel.ChannelInboundHandlerAdapter;
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import lombok.extern.slf4j.Slf4j;
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import java.util.ArrayList;
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import java.util.List;
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import static io.netty.channel.ChannelFutureListener.FIRE_EXCEPTION_ON_FAILURE;
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/**
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* client端处理器，
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*/
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@Slf4j
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public class PojoClientHandler extends ChannelInboundHandlerAdapter {
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private final List<Integer> firstMessage;
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/**
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* 初始化handler
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*/
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public PojoClientHandler() {
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firstMessage = new ArrayList<>(PojoClient.SIZE);
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for (int i = 0; i < PojoClient.SIZE; i ++) {
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firstMessage.add(i);
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}
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}
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@Override
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public void channelActive(ChannelHandlerContext ctx) {
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// 在channel active的时候发送消息
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ChannelFuture future = ctx.writeAndFlush("中国");
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// 将ChannelFuture中的Throwable转发到ChannelPipeline中。
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future.addListener(FIRE_EXCEPTION_ON_FAILURE);
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}
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@Override
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public void channelRead(ChannelHandlerContext ctx, Object msg) {
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// 将消息写回channel
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log.info("客户端收到对象:{}",msg);
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ctx.write(msg);
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}
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@Override
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public void channelReadComplete(ChannelHandlerContext ctx) {
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ctx.flush();
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}
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@Override
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public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
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// 异常处理
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log.error("出现异常",cause);
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ctx.close();
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}
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}
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