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|
package backend
import (
"os"
"time"
)
var (
_ BackendStorageFile = &DiskFile{}
)
type DiskFile struct {
File *os.File
fullFilePath string
}
func NewDiskFile(f *os.File) *DiskFile {
return &DiskFile{
fullFilePath: f.Name(),
File: f,
}
}
func (df *DiskFile) ReadAt(p []byte, off int64) (n int, err error) {
return df.File.ReadAt(p, off)
}
func (df *DiskFile) WriteAt(p []byte, off int64) (n int, err error) {
return df.File.WriteAt(p, off)
}
func (df *DiskFile) Truncate(off int64) error {
return df.File.Truncate(off)
}
func (df *DiskFile) Close() error {
return df.File.Close()
}
func (df *DiskFile) GetStat() (datSize int64, modTime time.Time, err error) {
stat, e := df.File.Stat()
if e == nil {
return stat.Size(), stat.ModTime(), nil
}
return 0, time.Time{}, err
}
func (df *DiskFile) Name() string {
return df.fullFilePath
}
|
