init commit

pkg/util/util.go

@@ -0,0 +1,50 @@
+/*
+Copyright 2015 The GoStor Authors All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package util
+
+// ParseKVText parses iSCSI key value data.
+func ParseKVText(txt []byte) map[string]string {
+	m := make(map[string]string)
+	var kv, sep int
+	var key string
+	for i := 0; i < len(txt); i++ {
+		if txt[i] == '=' {
+			if key == "" {
+				sep = i
+				key = string(txt[kv:sep])
+			}
+			continue
+		}
+		if txt[i] == 0 && key != "" {
+			m[key] = string(txt[sep+1 : i])
+			key = ""
+			kv = i + 1
+		}
+	}
+	return m
+}
+
+func MarshalKVText(kv map[string]string) []byte {
+	var data []byte
+	for k, v := range kv {
+		data = append(data, []byte(k)...)
+		data = append(data, '=')
+		data = append(data, []byte(v)...)
+		data = append(data, 0)
+	}
+	return data
+}