49 lines
873 B
Go
49 lines
873 B
Go
package cache
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import (
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"io"
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"sync"
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"time"
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"github.com/pkg/errors"
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)
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type CacheContent struct {
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io.ReadSeekCloser
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Length int
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LastModified time.Time
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}
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func (c *CacheContent) ReadToString() (string, error) {
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all, err := io.ReadAll(c)
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if err != nil {
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return "", err
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}
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return string(all), nil
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}
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type Cache interface {
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Put(key string, reader io.Reader) error
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// Get return CacheContent or nil when put nil io.reader
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Get(key string) (*CacheContent, error)
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Delete(pattern string) error
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io.Closer
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}
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var ErrCacheOutOfMemory = errors.New("内容无法被缓存，超过最大限定值")
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// TODO: 优化锁结构
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// 复杂场景请使用其他缓存服务
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type CacheMemory struct {
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l sync.RWMutex
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data map[string]*[]byte
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lastModify map[string]time.Time
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sizeGlobal int
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sizeItem int
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current int
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cache []byte
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ordered []string
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}
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