package com.ard.work.component.netty.cache;
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import io.netty.channel.Channel;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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/**
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* 边缘服务器tcp服务器缓存
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*
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* @author liusuyi
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* @date 2024年11月01日13:53
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**/
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public class TyTcpServerCache {
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/**
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* 以 serverId 作为唯一 key 存储 Channel
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*/
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private static Map<String, Channel> channels = new ConcurrentHashMap<>();
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//存储通道
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public static void putChannel(String serverId, Channel channel) {
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channels.put(serverId, channel);
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}
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//获取通道
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public static Channel getChannel(String serverId) {
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return channels.get(serverId);
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}
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//删除通道
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public static void removeChannel(String serverId) {
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channels.remove(serverId);
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}
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//获取所有
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public static Collection<Channel> getChannels() {
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return Collections.unmodifiableCollection(channels.values());
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}
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/**
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* 以 serverId 作为唯一 key 存储 连接状态
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*/
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private static final ConcurrentHashMap<String, Boolean> tcpServerCache = new ConcurrentHashMap<>();
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// 存储TCP服务连接状态到缓存
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public static void putTcpServerCache(String serverId, Boolean state) {
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tcpServerCache.put(serverId, state);
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}
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// 从缓存中获取TCP服务连接状态
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public static Boolean getTcpServerCache(String serverId) {
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return tcpServerCache.getOrDefault(serverId, false);
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}
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// 删除缓存中的TCP服务连接状态
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public static void removeTcpServerCache(String serverId) {
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tcpServerCache.remove(serverId);
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}
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public static Map<String, Boolean> getTcpServerCacheMap() {
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return new HashMap<>(tcpServerCache); // 返回一个副本，避免外部修改原始缓存
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}
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}
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