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added webdav

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This commit is contained in:
ston1th 2022-03-14 22:58:36 +01:00
commit 78bd754298
25 changed files with 7783 additions and 90 deletions
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25
pkg/fs/metadata.go
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@ -9,7 +9,9 @@ import (
type Metadata struct {
mu sync.RWMutex `json:"-"`
fs *FS `json:"-"`
f *os.File `json:"-"`
name string `json:"-"`
Size int64 `json:"s"`
Chunks Chunks `json:"c"`
preload bool `json:"-"`
@ -28,13 +30,36 @@ func (md *Metadata) AddChunk(off int64, n int) {
}
func (md *Metadata) ReadAt(p []byte, pos int64) (int, error) {
if md.f == nil {
err := md.openCacheFile()
if err != nil {
return 0, err
}
}
return md.f.ReadAt(p, pos)
}
func (md *Metadata) WriteAt(data []byte, pos int64) (int, error) {
if md.f == nil {
err := md.openCacheFile()
if err != nil {
return 0, err
}
}
return md.f.WriteAt(data, pos)
}
func (md *Metadata) openCacheFile() error {
md.mu.Lock()
defer md.mu.Unlock()
if md.f != nil {
return nil
}
f, err := md.fs.openCacheFile(md.name, md.Size)
md.f = f
return err
}
func (md *Metadata) Preload() bool {
md.mu.Lock()
defer md.mu.Unlock()