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41 lines
1.0 KiB
41 lines
1.0 KiB
2 weeks ago
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// 文件: storage/redis.go
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package storage
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import (
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"context"
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"fmt"
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"log"
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"memobus_relay_server/config"
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"github.com/redis/go-redis/v9"
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)
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// 全局 Redis 客户端实例
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var RedisClient *redis.Client
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// InitRedis 初始化全局的 Redis 客户端连接
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// 这个函数现在是唯一的 Redis 初始化入口
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func InitRedis() error {
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// 如果配置中未启用 Redis，则不进行任何操作
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if !config.Cfg.Redis.Enabled {
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log.Println("Redis is disabled in config. Skipping initialization.")
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return nil
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}
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// 创建一个新的 Redis 客户端实例
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RedisClient = redis.NewClient(&redis.Options{
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Addr: config.Cfg.Redis.Addr,
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Password: config.Cfg.Redis.Password,
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DB: config.Cfg.Redis.DB,
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})
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// 测试连接，确保 Redis 服务可用
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if err := RedisClient.Ping(context.Background()).Err(); err != nil {
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// 将错误包装后返回，让 main 函数决定如何处理
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return fmt.Errorf("failed to connect to Redis: %w", err)
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}
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log.Println("Successfully connected to Redis.")
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return nil
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}
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