2015-10-16 20:26:01 +02:00
|
|
|
/*
|
|
|
|
* Minio Cloud Storage, (C) 2015 Minio, Inc.
|
|
|
|
*
|
|
|
|
* 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 fs
|
|
|
|
|
|
|
|
import (
|
|
|
|
"bufio"
|
|
|
|
"bytes"
|
|
|
|
"os"
|
|
|
|
"sort"
|
|
|
|
"strings"
|
|
|
|
"time"
|
|
|
|
)
|
|
|
|
|
|
|
|
// Metadata - carries metadata about object
|
|
|
|
type Metadata struct {
|
|
|
|
Md5sum []byte
|
|
|
|
ContentType string
|
|
|
|
}
|
|
|
|
|
|
|
|
// sortUnique sort a slice in lexical order, removing duplicate elements
|
|
|
|
func sortUnique(objects []string) []string {
|
2015-10-17 08:11:41 +02:00
|
|
|
results := []string{}
|
|
|
|
seen := make(map[string]string)
|
|
|
|
for _, val := range objects {
|
|
|
|
if _, ok := seen[val]; !ok {
|
|
|
|
results = append(results, val)
|
|
|
|
seen[val] = val
|
|
|
|
}
|
2015-10-16 20:26:01 +02:00
|
|
|
}
|
|
|
|
sort.Strings(results)
|
|
|
|
return results
|
|
|
|
}
|
|
|
|
|
|
|
|
type contentInfo struct {
|
|
|
|
os.FileInfo
|
|
|
|
Prefix string
|
|
|
|
Size int64
|
|
|
|
Mode os.FileMode
|
|
|
|
ModTime time.Time
|
|
|
|
}
|
|
|
|
|
|
|
|
type bucketDir struct {
|
|
|
|
files []contentInfo
|
|
|
|
root string
|
|
|
|
}
|
|
|
|
|
|
|
|
func delimiter(object, delimiter string) string {
|
|
|
|
readBuffer := bytes.NewBufferString(object)
|
|
|
|
reader := bufio.NewReader(readBuffer)
|
|
|
|
stringReader := strings.NewReader(delimiter)
|
|
|
|
delimited, _ := stringReader.ReadByte()
|
|
|
|
delimitedStr, _ := reader.ReadString(delimited)
|
|
|
|
return delimitedStr
|
|
|
|
}
|
|
|
|
|
|
|
|
// byObjectMetadataKey is a sortable interface for UploadMetadata slice
|
|
|
|
type byUploadMetadataKey []*UploadMetadata
|
|
|
|
|
|
|
|
func (b byUploadMetadataKey) Len() int { return len(b) }
|
|
|
|
func (b byUploadMetadataKey) Swap(i, j int) { b[i], b[j] = b[j], b[i] }
|
|
|
|
func (b byUploadMetadataKey) Less(i, j int) bool { return b[i].Object < b[j].Object }
|