1 files changed, 0 insertions, 91 deletions
diff --git a/util/kv.go b/util/kv.go
deleted file mode 100644
index df61654..0000000
--- a/util/kv.go
+++ /dev/null
@@ -1,91 +0,0 @@
-package util
-
-import (
-	"errors"
-	"io/ioutil"
-	"os"
-	"path/filepath"
-	"strings"
-	"sync"
-)
-
-var (
-	errInvalidKey = errors.New("invalid key")
-	errNoSuchKey  = errors.New("no such key")
-)
-
-type Database struct {
-	cache   map[string][]byte
-	basedir string
-	m       sync.RWMutex
-}
-
-func NewDatabse(basedir string) (db *Database, err error) {
-	err = os.Mkdir(basedir, 0755)
-	if err != nil && !os.IsExist(err) {
-		return
-	}
-
-	return &Database{
-		cache:   make(map[string][]byte),
-		basedir: basedir,
-	}, nil
-}
-
-func (db *Database) Set(key string, val []byte) (err error) {
-	if len(key) < 1 || strings.ContainsRune(key, os.PathSeparator) {
-		return errInvalidKey
-	}
-
-	err = ioutil.WriteFile(filepath.Join(db.basedir, key), val, 0644)
-	if err != nil {
-		return
-	}
-
-	db.m.Lock()
-	db.cache[key] = val
-	db.m.Unlock()
-
-	return
-}
-
-func (db *Database) Get(key string) (val []byte, err error) {
-	if len(key) < 1 || strings.ContainsRune(key, os.PathSeparator) {
-		return nil, errInvalidKey
-	}
-
-	db.m.RLock()
-	data, ok := db.cache[key]
-	db.m.RUnlock()
-
-	if !ok {
-		data, err = ioutil.ReadFile(filepath.Join(db.basedir, key))
-		if err != nil {
-			err = errNoSuchKey
-			return nil, err
-		}
-
-		db.m.Lock()
-		db.cache[key] = data
-		db.m.Unlock()
-	}
-
-	val = make([]byte, len(data))
-	copy(val, data)
-
-	return
-}
-
-func (db *Database) Remove(key string) {
-	if len(key) < 1 || strings.ContainsRune(key, os.PathSeparator) {
-		return
-	}
-
-	os.Remove(filepath.Join(db.basedir, key))
-
-	db.m.Lock()
-	delete(db.cache, key)
-	db.m.Unlock()
-
-	return
-}