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78 lines
1.7 KiB
Go
78 lines
1.7 KiB
Go
package filer2
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import (
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"errors"
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"os"
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"time"
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"path/filepath"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"strings"
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)
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type FullPath string
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func NewFullPath(dir, name string) FullPath {
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if strings.HasSuffix(dir, "/") {
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return FullPath(dir + name)
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}
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return FullPath(dir + "/" + name)
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}
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func (fp FullPath) DirAndName() (string, string) {
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dir, name := filepath.Split(string(fp))
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if dir == "/" {
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return dir, name
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}
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if len(dir) < 1 {
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return "/", ""
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}
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return dir[:len(dir)-1], name
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}
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func (fp FullPath) Name() (string) {
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_, name := filepath.Split(string(fp))
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return name
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}
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type Attr struct {
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Mtime time.Time // time of last modification
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Crtime time.Time // time of creation (OS X only)
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Mode os.FileMode // file mode
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Uid uint32 // owner uid
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Gid uint32 // group gid
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}
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func (attr Attr) IsDirectory() (bool) {
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return attr.Mode&os.ModeDir > 0
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}
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type Entry struct {
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FullPath
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Attr
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// the following is for files
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Chunks []*filer_pb.FileChunk `json:"chunks,omitempty"`
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}
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type AbstractFiler interface {
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CreateEntry(*Entry) (error)
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AppendFileChunk(FullPath, []*filer_pb.FileChunk) (err error)
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FindEntry(FullPath) (found bool, fileEntry *Entry, err error)
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DeleteEntry(FullPath) (fileEntry *Entry, err error)
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ListDirectoryEntries(dirPath FullPath) ([]*Entry, error)
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UpdateEntry(*Entry) (error)
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}
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var ErrNotFound = errors.New("filer: no entry is found in filer store")
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type FilerStore interface {
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InsertEntry(*Entry) (error)
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UpdateEntry(*Entry) (err error)
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FindEntry(FullPath) (found bool, entry *Entry, err error)
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DeleteEntry(FullPath) (fileEntry *Entry, err error)
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ListDirectoryEntries(dirPath FullPath, startFileName string, inclusive bool, limit int) ([]*Entry, error)
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}
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