1 files changed, 0 insertions, 87 deletions
diff --git a/weed/filer/embedded_filer/files_in_leveldb.go b/weed/filer/embedded_filer/files_in_leveldb.go
deleted file mode 100644
index bde41d8a2..000000000
--- a/weed/filer/embedded_filer/files_in_leveldb.go
+++ /dev/null
@@ -1,87 +0,0 @@
-package embedded_filer
-
-import (
-	"bytes"
-
-	"github.com/chrislusf/seaweedfs/weed/filer"
-	"github.com/chrislusf/seaweedfs/weed/glog"
-	"github.com/syndtr/goleveldb/leveldb"
-	"github.com/syndtr/goleveldb/leveldb/util"
-)
-
-/*
-The entry in level db has this format:
-  key: genKey(dirId, fileName)
-  value: []byte(fid)
-And genKey(dirId, fileName) use first 4 bytes to store dirId, and rest for fileName
-*/
-
-type FileListInLevelDb struct {
-	db *leveldb.DB
-}
-
-func NewFileListInLevelDb(dir string) (fl *FileListInLevelDb, err error) {
-	fl = &FileListInLevelDb{}
-	if fl.db, err = leveldb.OpenFile(dir, nil); err != nil {
-		return
-	}
-	return
-}
-
-func genKey(dirId DirectoryId, fileName string) []byte {
-	ret := make([]byte, 0, 4+len(fileName))
-	for i := 3; i >= 0; i-- {
-		ret = append(ret, byte(dirId>>(uint(i)*8)))
-	}
-	ret = append(ret, []byte(fileName)...)
-	return ret
-}
-
-func (fl *FileListInLevelDb) CreateFile(dirId DirectoryId, fileName string, fid string) (err error) {
-	glog.V(4).Infoln("directory", dirId, "fileName", fileName, "fid", fid)
-	return fl.db.Put(genKey(dirId, fileName), []byte(fid), nil)
-}
-func (fl *FileListInLevelDb) DeleteFile(dirId DirectoryId, fileName string) (fid string, err error) {
-	if fid, err = fl.FindFile(dirId, fileName); err != nil {
-		if err == leveldb.ErrNotFound {
-			return "", nil
-		}
-		return
-	}
-	err = fl.db.Delete(genKey(dirId, fileName), nil)
-	return fid, err
-}
-func (fl *FileListInLevelDb) FindFile(dirId DirectoryId, fileName string) (fid string, err error) {
-	data, e := fl.db.Get(genKey(dirId, fileName), nil)
-	if e == leveldb.ErrNotFound {
-		return "", filer.ErrNotFound
-	} else if e != nil {
-		return "", e
-	}
-	return string(data), nil
-}
-func (fl *FileListInLevelDb) ListFiles(dirId DirectoryId, lastFileName string, limit int) (files []filer.FileEntry) {
-	glog.V(4).Infoln("directory", dirId, "lastFileName", lastFileName, "limit", limit)
-	dirKey := genKey(dirId, "")
-	iter := fl.db.NewIterator(&util.Range{Start: genKey(dirId, lastFileName)}, nil)
-	limitCounter := 0
-	for iter.Next() {
-		key := iter.Key()
-		if !bytes.HasPrefix(key, dirKey) {
-			break
-		}
-		fileName := string(key[len(dirKey):])
-		if fileName == lastFileName {
-			continue
-		}
-		limitCounter++
-		if limit > 0 {
-			if limitCounter > limit {
-				break
-			}
-		}
-		files = append(files, filer.FileEntry{Name: fileName, Id: filer.FileId(string(iter.Value()))})
-	}
-	iter.Release()
-	return
-}