101 lines
1.8 KiB
Go
101 lines
1.8 KiB
Go
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package block
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/*
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import (
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"fmt"
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"os"
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"github.com/mitchellh/mapstructure"
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"golang.org/x/sys/unix"
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"github.com/sdstack/storage/backend"
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)
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type StoreBlock struct {
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store []string
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}
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type ObjectBlock struct {
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fs *StoreBlock
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fp *os.File
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}
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func init() {
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backend.RegisterBackend("block", &StoreBlock{})
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}
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func (s *StoreBlock) Init(data interface{}) error {
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var err error
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err = mapstructure.Decode(data, &s.store)
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if err != nil {
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return err
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}
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fmt.Printf("%#+v\n", s)
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return nil
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}
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func (s *StoreBlock) Configure(data interface{}) error {
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var err error
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err = mapstructure.Decode(data, &s.store)
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if err != nil {
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return err
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}
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fmt.Printf("%#+v\n", s)
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return nil
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}
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func (s *StoreBlock) Open() error {
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return nil
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}
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func (s *StoreBlock) Close() error {
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return nil
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}
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func (o *ObjectBlock) Allocate(mode uint64, offset uint64, length uint64) error {
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return unix.Fallocate(int(o.fp.Fd()), uint32(mode), int64(offset), int64(length))
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}
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func (o *ObjectBlock) Delete(flags uint64) error {
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return nil
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// return os.Remove(filepath.Join())
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}
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func (o *ObjectBlock) ReadAt(data []byte, offset uint64, flags uint64) (uint64, error) {
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return 0, nil
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}
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func (o *ObjectBlock) WriteAt(data []byte, offset uint64, flags uint64) (uint64, error) {
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return 0, nil
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}
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func (o *ObjectBlock) Read(data []byte) (int, error) {
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return o.fp.Read(data)
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}
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func (o *ObjectBlock) Write(data []byte) (int, error) {
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return o.fp.Write(data)
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}
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func (o *ObjectBlock) Seek(offset int64, whence int) (int64, error) {
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return o.fp.Seek(offset, whence)
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}
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func (o *StoreBlock) ObjectExists(name string) (bool, error) {
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_, err := os.Stat(name)
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return os.IsNotExist(err), nil
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}
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func (o *ObjectBlock) Sync() error {
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return o.fp.Sync()
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}
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func (o *ObjectBlock) Close() error {
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return o.fp.Close()
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}
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func (o *ObjectBlock) Remove() error {
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return nil
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}
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*/
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