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