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using Microsoft.Extensions.Logging;
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using SlnMesnac.Config;
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using StackExchange.Redis;
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using System;
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using System.Collections.Generic;
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using System.Text;
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#region << 版 本 注 释 >>
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/*--------------------------------------------------------------------
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* 版权所有 (c) 2024 WenJY 保留所有权利。
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* CLR版本：4.0.30319.42000
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* 机器名称：LAPTOP-E0N2L34V
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* 命名空间：SlnMesnac.Redis
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* 唯一标识：00418016-53c9-4f87-a13f-daa19d656bba
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*
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* 创建者：WenJY
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* 电子邮箱：wenjy@mesnac.com
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* 创建时间：2024-04-12 15:15:25
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* 版本：V1.0.0
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* 描述：
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*
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*--------------------------------------------------------------------
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* 修改人：
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* 时间：
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* 修改说明：
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*
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* 版本：V1.0.0
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*--------------------------------------------------------------------*/
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#endregion << 版 本 注 释 >>
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namespace SlnMesnac.Redis
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{
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public class RedisHandler
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{
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private ILogger<RedisHandler> _logger;
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private readonly AppConfig _appConfig;
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private readonly ISubscriber _subscriber;
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private readonly ConnectionMultiplexer redis;
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public RedisHandler(AppConfig appConfig, ILogger<RedisHandler> logger)
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{
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_appConfig = appConfig;
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redis = ConnectionMultiplexer.Connect(_appConfig.redisConfig);
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_subscriber = redis.GetSubscriber();
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_logger = logger;
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}
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/// <summary>
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/// 推送消息
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/// </summary>
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/// <param name="channel"></param>
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/// <param name="message"></param>
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public void PublishMessage(string channel, string message)
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{
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long res = _subscriber.Publish(channel, message);
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_logger.LogInformation($"向主题:{channel};推送消息:{message};结果:{res}");
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}
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/// <summary>
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/// 订阅消息
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/// </summary>
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/// <param name="channel"></param>
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/// <param name="onMessageReceived"></param>
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public void SubscribeToChannel(string channel, Action<string, string> onMessageReceived)
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{
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_subscriber.Subscribe(channel, (ch, message) =>
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{
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onMessageReceived(ch, message);
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_logger.LogInformation($"订阅主题:{channel};收到主题:{ch};推送的消息:{message}");
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});
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}
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public void CleanExpiredMessages(string channel)
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{
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var redis = _subscriber.Multiplexer.GetDatabase();
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redis.KeyDelete(channel);
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}
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public void SetValue(string key, string message)
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{
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IDatabase db = redis.GetDatabase(0);
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TimeSpan expiry = TimeSpan.FromSeconds(10);
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db.StringSet(key, message, expiry);
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}
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}
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}
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