package com.zy.core.netty.handle;
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import com.core.common.Cools;
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import com.zy.common.utils.News;
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import com.zy.core.netty.AbstractInboundHandler;
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import com.zy.core.netty.cache.ChannelCache;
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import com.zy.core.netty.domain.ChPackage;
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import io.netty.channel.ChannelHandler;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.handler.timeout.IdleState;
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import io.netty.handler.timeout.IdleStateEvent;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Component;
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/**
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* 通道维护handler
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* Created by vincent on 2019-04-11
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*/
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@Slf4j
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@Component("protectorHandler")
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@ChannelHandler.Sharable
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public class ProtectorHandler extends AbstractInboundHandler<ChPackage> {
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@Override
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protected boolean channelRead0(ChannelHandlerContext ctx, ChPackage pac) throws Exception {
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// jvm堆外内存需要手动释放
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// ReferenceCountUtil.release(pac.getSourceBuff());
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return true;
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}
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/**
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* 空闲剔除
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*/
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@Override
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public void userEventTriggered(ChannelHandlerContext ctx, Object evt) {
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if (evt instanceof IdleStateEvent) {
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IdleStateEvent e = (IdleStateEvent) evt;
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if (IdleState.READER_IDLE == e.state()) {
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String uuid = ChannelCache.removeChannel(ctx.channel());
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ctx.close();
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if (!Cools.isEmpty(uuid)){
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News.info("uuid={} 空闲剔除", uuid);
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}
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}
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}
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}
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/**
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* 断开连接
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*/
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@Override
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public void channelInactive(ChannelHandlerContext ctx) {
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String uuid = ChannelCache.removeChannel(ctx.channel());
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ctx.close();
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if (!Cools.isEmpty(uuid)){
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News.info("通道 uuid={} 失去连接", uuid);
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}
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}
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/**
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* 管道异常
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*/
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@Override
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public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
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cause.printStackTrace();
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ChannelCache.removeChannel(ctx.channel());
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ctx.close();
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}
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}
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