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Copy pathdebug-storage.go
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179 lines (154 loc) · 4.72 KB
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package cmd
import (
"fmt"
"io"
"strings"
)
type debugStorage struct {
path string
s StorageAPI
enable bool
}
func (d *debugStorage) String() string {
return d.s.String()
}
func (d *debugStorage) IsOnline() bool {
return d.s.IsOnline()
}
func (k *debugStorage) LastError() error {
return nil
}
func (d *debugStorage) Close() error {
return nil
}
func errStr(err error) string {
if err == nil {
return "<nil>"
}
return err.Error()
}
func (d *debugStorage) DiskInfo() (info DiskInfo, err error) {
info, err = d.s.DiskInfo()
if d.enable {
fmt.Printf("%s: DiskInfo() (_, %s)\n", d.path, errStr(err))
}
return info, err
}
func (d *debugStorage) MakeVol(volume string) (err error) {
err = d.s.MakeVol(volume)
if d.enable {
fmt.Printf("%s: MakeVol(%s) (%s)\n", d.path, volume, errStr(err))
}
return err
}
func (d *debugStorage) ListVols() (vols []VolInfo, err error) {
vols, err = d.s.ListVols()
var volNames []string
for _, vol := range vols {
volNames = append(volNames, vol.Name)
}
if d.enable {
fmt.Printf("%s: ListVols() (%s, %s)\n", d.path, strings.Join(volNames, ":"), errStr(err))
}
return vols, err
}
func (d *debugStorage) StatVol(volume string) (vol VolInfo, err error) {
vol, err = d.s.StatVol(volume)
if d.enable {
fmt.Printf("%s: StatVol(%s) (_, %s)\n", d.path, volume, errStr(err))
}
return vol, err
}
func (d *debugStorage) DeleteVol(volume string) (err error) {
err = d.s.DeleteVol(volume)
if d.enable {
fmt.Printf("%s: DeleteVol(%s) (%s)\n", d.path, volume, errStr(err))
}
return err
}
func (d *debugStorage) ListDir(volume, dirPath string, count int) ([]string, error) {
entries, err := d.s.ListDir(volume, dirPath, count)
if d.enable {
fmt.Printf("%s: ListDir(%s, %s, %d) (_, %s)\n", d.path, volume, dirPath, count, errStr(err))
}
return entries, err
}
func (d *debugStorage) ReadFile(volume string, path string, offset int64, buf []byte, verifier *BitrotVerifier) (n int64, err error) {
n, err = d.s.ReadFile(volume, path, offset, buf, verifier)
var algo string
if verifier != nil {
algo = verifier.algorithm.String()
}
if d.enable {
fmt.Printf("%s: ReadFile(%s, %s, %d, len(buf)=%d, verifier={%s}) (_, %s)\n", d.path, volume, path, offset, len(buf), algo, errStr(err))
}
return n, err
}
func (d *debugStorage) AppendFile(volume string, path string, buf []byte) (err error) {
err = d.s.AppendFile(volume, path, buf)
if d.enable {
fmt.Printf("%s: AppendFile(%s, %s, len(buf)=%d) (%s)\n", d.path, volume, path, len(buf), errStr(err))
}
return err
}
func (d *debugStorage) CreateDir(volume, dirPath string) error {
err := d.s.CreateDir(volume, dirPath)
return err
}
func (d *debugStorage) StatDir(volume, dirPath string) error {
err := d.s.StatDir(volume, dirPath)
return err
}
func (d *debugStorage) DeleteDir(volume, dirPath string) error {
err := d.s.DeleteDir(volume, dirPath)
return err
}
func (d *debugStorage) CreateFile(volume, filePath string, size int64, reader io.Reader) error {
err := d.s.CreateFile(volume, filePath, size, reader)
if d.enable {
fmt.Printf("%s: CreateFile(%s, %s, %d) (%s)\n", d.path, volume, filePath, size, errStr(err))
}
return err
}
func (d *debugStorage) ReadFileStream(volume, filePath string, offset, length int64) (io.ReadCloser, error) {
r, err := d.s.ReadFileStream(volume, filePath, offset, length)
if d.enable {
fmt.Printf("%s: ReadFileStream(%s, %s, %d, %d) (_, %s)\n", d.path, volume, filePath, offset, length, errStr(err))
}
return r, err
}
func (d *debugStorage) RenameFile(srcVolume, srcPath, dstVolume, dstPath string) error {
err := d.s.RenameFile(srcVolume, srcPath, dstVolume, dstPath)
if d.enable {
fmt.Printf("%s: RenameFile(%s, %s, %s, %s) (%s)\n", d.path, srcVolume, srcPath, dstVolume, dstPath, errStr(err))
}
return err
}
func (d *debugStorage) StatFile(volume string, path string) (file FileInfo, err error) {
fi, err := d.s.StatFile(volume, path)
if d.enable {
fmt.Printf("%s: StatFile(%s, %s) (_, %s)\n", d.path, volume, path, errStr(err))
}
return fi, err
}
func (d *debugStorage) DeleteFile(volume string, path string) (err error) {
err = d.s.DeleteFile(volume, path)
if d.enable {
fmt.Printf("%s: DeleteFile(%s, %s) (_, %s)\n", d.path, volume, path, errStr(err))
}
return err
}
func (d *debugStorage) WriteAll(volume string, filePath string, buf []byte) (err error) {
err = d.s.WriteAll(volume, filePath, buf)
if d.enable {
fmt.Printf("%s: WriteAll(%s, %s, len(buf)=%d) (%s)\n", d.path, volume, filePath, len(buf), errStr(err))
}
return err
}
func (d *debugStorage) ReadAll(volume string, filePath string) (buf []byte, err error) {
buf, err = d.s.ReadAll(volume, filePath)
if d.enable {
fmt.Printf("%s: ReadAll(%s, %s) (len(buf)=%d, %s)\n", d.path, volume, filePath, len(buf), errStr(err))
}
return buf, err
}