49 lines
939 B
Go
49 lines
939 B
Go
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package storage
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import (
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"carrotskin/pkg/config"
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"fmt"
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"sync"
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)
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var (
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// clientInstance 全局存储客户端实例
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clientInstance *StorageClient
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// once 确保只初始化一次
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once sync.Once
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// initError 初始化错误
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initError error
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)
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// Init 初始化存储客户端（线程安全，只会执行一次）
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func Init(cfg config.RustFSConfig) error {
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once.Do(func() {
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clientInstance, initError = NewStorage(cfg)
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if initError != nil {
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return
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}
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})
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return initError
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}
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// GetClient 获取存储客户端实例（线程安全）
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func GetClient() (*StorageClient, error) {
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if clientInstance == nil {
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return nil, fmt.Errorf("存储客户端未初始化，请先调用 storage.Init()")
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}
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return clientInstance, nil
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}
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// MustGetClient 获取存储客户端实例，如果未初始化则panic
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func MustGetClient() *StorageClient {
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client, err := GetClient()
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if err != nil {
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panic(err)
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}
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return client
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}
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