927332ad5d
- 集成Spring Integration MQTT与Eclipse Paho客户端 - 添加设备在线状态填充逻辑，支持批量查询心跳数据 - 优化Redis配置，使用Lazy初始化与通用序列化器 - 增加Redis异常处理与防重复提交Fail-Open机制 - 新增Redis设备模块常量与在线状态VO - 完善MQTT与Redis集群连接配置
65 lines
2.4 KiB
Java
65 lines
2.4 KiB
Java
package com.youlai.boot.config;
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import io.lettuce.core.ClientOptions;
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import io.lettuce.core.SocketOptions;
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import io.lettuce.core.resource.ClientResources;
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import io.lettuce.core.resource.DefaultClientResources;
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import io.lettuce.core.resource.Delay;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.context.annotation.Primary;
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import org.springframework.data.redis.connection.RedisConnectionFactory;
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import java.time.Duration;
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import java.util.concurrent.TimeUnit;
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/**
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* Redis 健康检查与启动容错配置
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* <p>
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* 确保 Redis 不可用时程序仍能正常启动，并在 Redis 恢复后自动重连。
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*
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* @since 4.6.0
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*/
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@Slf4j
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@Configuration
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@ConditionalOnClass(RedisConnectionFactory.class)
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public class RedisHealthConfig {
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/**
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* 自定义 Lettuce ClientResources，增加优雅关闭和重连支持
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*/
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@Bean(destroyMethod = "shutdown")
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@Primary
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public ClientResources lettuceClientResources() {
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DefaultClientResources resources = DefaultClientResources.builder()
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.reconnectDelay(Delay.exponential(Duration.ofSeconds(2), Duration.ofSeconds(30), 2, TimeUnit.SECONDS))
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.build();
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log.info("Lettuce ClientResources 初始化完成，重连延迟: 2s");
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return resources;
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}
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/**
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* 自定义 ClientOptions，配置断开重连策略
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*/
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@Bean
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@Primary
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public ClientOptions lettuceClientOptions() {
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ClientOptions options = ClientOptions.builder()
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.socketOptions(SocketOptions.builder()
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.connectTimeout(Duration.ofSeconds(5)) // 连接超时 5 秒
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.keepAlive(true) // 启用 TCP KeepAlive
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.build())
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// 断开后自动重连
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.autoReconnect(true)
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// 取消正在执行的命令超时（避免连接断开时命令永久挂起）
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.cancelCommandsOnReconnectFailure(true)
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// 连接断开时挂起的请求超时
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.suspendReconnectOnProtocolFailure(true)
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.build();
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log.info("Lettuce ClientOptions 初始化完成，autoReconnect=true");
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return options;
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}
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}
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