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实现stale cache读取

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GoEdgeLab
2021-12-16 17:27:21 +08:00
parent a15b15004b
commit b0cddd1b23
16 changed files with 164 additions and 59 deletions
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4
internal/caches/storage_memory.go
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@@ -105,7 +105,7 @@ func (this *MemoryStorage) Init() error {
}
// OpenReader 读取缓存
func (this *MemoryStorage) OpenReader(key string) (Reader, error) {
func (this *MemoryStorage) OpenReader(key string, useStale bool) (Reader, error) {
hash := this.hash(key)
this.locker.RLock()
@@ -115,7 +115,7 @@ func (this *MemoryStorage) OpenReader(key string) (Reader, error) {
return nil, ErrNotFound
}
if item.ExpiredAt > utils.UnixTime() {
if useStale || (item.ExpiredAt > utils.UnixTime()) {
reader := NewMemoryReader(item)
err := reader.Init()
if err != nil {