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增加edge-node cache.garbage命令用于清理垃圾缓存

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This commit is contained in:
刘祥超
2023-09-15 18:14:58 +08:00
parent 64642c6680
commit 99670e46a5
10 changed files with 284 additions and 66 deletions
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57
internal/caches/list_file_db.go
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@@ -35,8 +35,9 @@ type FileListDB struct {
itemsTableName string
isClosed bool
isReady bool
isClosed bool // 是否已关闭
isReady bool // 是否已完成初始化
hashMapIsLoaded bool // Hash是否已加载
// cacheItems
existsByHashStmt *dbs.Stmt // 根据hash检查是否存在
@@ -196,26 +197,7 @@ func (this *FileListDB) Init() error {
this.isReady = true
// 加载HashMap
go func() {
err := this.hashMap.Load(this)
if err != nil {
remotelogs.Error("LIST_FILE_DB", "load hash map failed: "+err.Error()+"(file: "+this.dbPath+")")
// 自动修复错误
// TODO 将来希望能尽可能恢复以往数据库中的内容
if strings.Contains(err.Error(), "database is closed") || strings.Contains(err.Error(), "database disk image is malformed") {
_ = this.Close()
this.deleteDB()
remotelogs.Println("LIST_FILE_DB", "recreating the database (file:"+this.dbPath+") ...")
err = this.Open(this.dbPath)
if err != nil {
remotelogs.Error("LIST_FILE_DB", "recreate the database failed: "+err.Error()+" (file:"+this.dbPath+")")
} else {
_ = this.Init()
}
}
}
}()
go this.loadHashMap()
return nil
}
@@ -521,6 +503,10 @@ func (this *FileListDB) WrapError(err error) error {
return fmt.Errorf("%w (file: %s)", err, this.dbPath)
}
func (this *FileListDB) HashMapIsLoaded() bool {
return this.hashMapIsLoaded
}
// 初始化
func (this *FileListDB) initTables(times int) error {
{
@@ -633,3 +619,30 @@ func (this *FileListDB) deleteDB() {
_ = os.Remove(this.dbPath + "-shm")
_ = os.Remove(this.dbPath + "-wal")
}
// 加载Hash列表
func (this *FileListDB) loadHashMap() {
this.hashMapIsLoaded = false
err := this.hashMap.Load(this)
if err != nil {
remotelogs.Error("LIST_FILE_DB", "load hash map failed: "+err.Error()+"(file: "+this.dbPath+")")
// 自动修复错误
// TODO 将来希望能尽可能恢复以往数据库中的内容
if strings.Contains(err.Error(), "database is closed") || strings.Contains(err.Error(), "database disk image is malformed") {
_ = this.Close()
this.deleteDB()
remotelogs.Println("LIST_FILE_DB", "recreating the database (file:"+this.dbPath+") ...")
err = this.Open(this.dbPath)
if err != nil {
remotelogs.Error("LIST_FILE_DB", "recreate the database failed: "+err.Error()+" (file:"+this.dbPath+")")
} else {
_ = this.Init()
}
}
return
}
this.hashMapIsLoaded = true
}