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minio/fs-backend-metadata.go

58 lines
1.6 KiB

/*
* Minio Cloud Storage, (C) 2015, 2016 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.
*/
fs: Break fs package to top-level and introduce ObjectAPI interface. ObjectAPI interface brings in changes needed for XL ObjectAPI layer. The new interface for any ObjectAPI layer is as below ``` // ObjectAPI interface. type ObjectAPI interface { // Bucket resource API. DeleteBucket(bucket string) *probe.Error ListBuckets() ([]BucketInfo, *probe.Error) MakeBucket(bucket string) *probe.Error GetBucketInfo(bucket string) (BucketInfo, *probe.Error) // Bucket query API. ListObjects(bucket, prefix, marker, delimiter string, maxKeys int) (ListObjectsResult, *probe.Error) ListMultipartUploads(bucket string, resources BucketMultipartResourcesMetadata) (BucketMultipartResourcesMetadata, *probe.Error) // Object resource API. GetObject(bucket, object string, startOffset int64) (io.ReadCloser, *probe.Error) GetObjectInfo(bucket, object string) (ObjectInfo, *probe.Error) PutObject(bucket string, object string, size int64, data io.Reader, metadata map[string]string) (ObjectInfo, *probe.Error) DeleteObject(bucket, object string) *probe.Error // Object query API. NewMultipartUpload(bucket, object string) (string, *probe.Error) PutObjectPart(bucket, object, uploadID string, partID int, size int64, data io.Reader, md5Hex string) (string, *probe.Error) ListObjectParts(bucket, object string, resources ObjectResourcesMetadata) (ObjectResourcesMetadata, *probe.Error) CompleteMultipartUpload(bucket string, object string, uploadID string, parts []CompletePart) (ObjectInfo, *probe.Error) AbortMultipartUpload(bucket, object, uploadID string) *probe.Error } ```
9 years ago
package main
import (
"github.com/minio/minio/pkg/probe"
"github.com/minio/minio/pkg/quick"
)
var multipartsMetadataPath string
// SetFSMultipartsMetadataPath - set custom multiparts session
// metadata path.
func setFSMultipartsMetadataPath(metadataPath string) {
multipartsMetadataPath = metadataPath
}
// saveMultipartsSession - save multiparts
func saveMultipartsSession(multiparts Multiparts) *probe.Error {
qc, err := quick.New(multiparts)
if err != nil {
return err.Trace()
}
if err := qc.Save(multipartsMetadataPath); err != nil {
return err.Trace()
}
return nil
}
// loadMultipartsSession load multipart session file
func loadMultipartsSession() (*Multiparts, *probe.Error) {
multiparts := &Multiparts{}
multiparts.Version = "1"
multiparts.ActiveSession = make(map[string]*MultipartSession)
qc, err := quick.New(multiparts)
if err != nil {
return nil, err.Trace()
}
if err := qc.Load(multipartsMetadataPath); err != nil {
return nil, err.Trace()
}
return qc.Data().(*Multiparts), nil
}