28 lines
987 B
Java
28 lines
987 B
Java
package com.ktg.print.server;
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import io.netty.channel.Channel;
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import io.netty.channel.ChannelHandlerContext;
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import io.netty.channel.ChannelInboundHandlerAdapter;
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import java.net.SocketAddress;
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import java.util.concurrent.ConcurrentHashMap;
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public class PrintServerDefaultHandler extends ChannelInboundHandlerAdapter {
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public static ConcurrentHashMap<SocketAddress, Channel> chanelMap = new ConcurrentHashMap<>();
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@Override
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public void channelActive(ChannelHandlerContext ctx) throws Exception {
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//客户端和通道映射 也是一对一关系
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chanelMap.put(ctx.channel().remoteAddress(), ctx.channel());
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System.out.println("客户端连接已建立：" + ctx.channel().remoteAddress());
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}
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@Override
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public void channelInactive(ChannelHandlerContext ctx) throws Exception {
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chanelMap.remove(ctx.channel().remoteAddress());
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System.out.println("客户端连接已关闭：" + ctx.channel().remoteAddress());
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}
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}
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