/
gc.go
75 lines (70 loc) · 2.29 KB
/
gc.go
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// Copyright 2019 The OpenSDS Authors.
//
// 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 types
import (
"bytes"
"encoding/binary"
"strconv"
"time"
)
type GarbageCollection struct {
Rowkey string // rowkey cache
BucketName string
ObjectName string
Location string
ObjectId string
Status string // status of this entry, in Pending/Deleting
StorageMeta string // meta data used by storage driver, different storage driver may have different information
MTime time.Time // last modify time of status
Parts map[int]*Part
TriedTimes int
}
func (gc GarbageCollection) GetValues() (values map[string]map[string][]byte, err error) {
values = map[string]map[string][]byte{
GARBAGE_COLLECTION_COLUMN_FAMILY: map[string][]byte{
"location": []byte(gc.Location),
"storagemeta": []byte(gc.StorageMeta),
"oid": []byte(gc.ObjectId),
"status": []byte(gc.Status),
"mtime": []byte(gc.MTime.Format(CREATE_TIME_LAYOUT)),
"tried": []byte(strconv.Itoa(gc.TriedTimes)),
},
}
if len(gc.Parts) != 0 {
values[GARBAGE_COLLECTION_PART_COLUMN_FAMILY], err = valuesForParts(gc.Parts)
if err != nil {
return
}
}
return
}
func (gc GarbageCollection) GetValuesForDelete() map[string]map[string][]byte {
return map[string]map[string][]byte{
GARBAGE_COLLECTION_COLUMN_FAMILY: map[string][]byte{},
GARBAGE_COLLECTION_PART_COLUMN_FAMILY: map[string][]byte{},
}
}
// Rowkey format:
// bigEndian(unixNanoTimestamp) + BucketName + ObjectName
func (gc GarbageCollection) GetRowkey() (string, error) {
var rowkey bytes.Buffer
err := binary.Write(&rowkey, binary.BigEndian,
uint64(time.Now().UnixNano()))
if err != nil {
return "", err
}
rowkey.WriteString(gc.BucketName)
rowkey.WriteString(gc.ObjectName)
return rowkey.String(), nil
}