87 lines
1.8 KiB
Go
87 lines
1.8 KiB
Go
package tmpfs
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import (
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"log"
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"msw-open-music/pkg/commonconfig"
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"os"
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"path/filepath"
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"strconv"
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"sync"
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"time"
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)
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type Tmpfs struct {
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record map[string]int64
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Config commonconfig.TmpfsConfig
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wg sync.WaitGroup
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recordLocks map[string]*sync.Mutex
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}
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func (tmpfs *Tmpfs) GetObjFilePath(id int64, ffmpegConfig commonconfig.FfmpegConfig) string {
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return filepath.Join(tmpfs.Config.Root, strconv.FormatInt(id, 10)+"."+ffmpegConfig.Name+"."+ffmpegConfig.Format)
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}
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func (tmpfs *Tmpfs) GetLock(filename string) *sync.Mutex {
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if _, ok := tmpfs.recordLocks[filename]; !ok {
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tmpfs.recordLocks[filename] = &sync.Mutex{}
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}
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return tmpfs.recordLocks[filename]
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}
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func (tmpfs *Tmpfs) Lock(filename string) {
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tmpfs.GetLock(filename).Lock()
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}
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func (tmpfs *Tmpfs) Unlock(filename string) {
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tmpfs.GetLock(filename).Unlock()
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}
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func NewTmpfs(config commonconfig.TmpfsConfig) *Tmpfs {
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tmpfs := &Tmpfs{
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record: make(map[string]int64),
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Config: config,
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recordLocks: make(map[string]*sync.Mutex),
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}
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tmpfs.wg.Add(1)
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go tmpfs.Cleaner()
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return tmpfs
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}
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func (tmpfs *Tmpfs) Record(filename string) {
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tmpfs.record[filename] = time.Now().Unix()
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}
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func (tmpfs *Tmpfs) Exits(filename string) bool {
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_, ok := tmpfs.record[filename]
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return ok
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}
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func (tmpfs *Tmpfs) Cleaner() {
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var err error
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for {
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now := time.Now().Unix()
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for path, lock := range tmpfs.recordLocks {
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lock.Lock()
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recordTime, ok := tmpfs.record[path]
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if !ok {
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lock.Unlock()
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continue
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}
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if now-recordTime > tmpfs.Config.FileLifeTime {
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err = os.Remove(path)
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if err != nil {
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log.Println("[tmpfs] Failed to remove file", err)
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lock.Unlock()
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continue
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}
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log.Println("[tmpfs] Deleted file", path)
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delete(tmpfs.record, path)
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delete(tmpfs.recordLocks, path)
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}
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lock.Unlock()
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}
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time.Sleep(time.Second)
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}
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}
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