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minio/pkg/donut/definitions.go

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4.6 KiB

/*
* 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 donut
import "time"
// ObjectMetadata container for object on donut system
type ObjectMetadata struct {
// version
Version string `json:"version"`
// object metadata
Created time.Time `json:"created"`
Bucket string `json:"bucket"`
Object string `json:"object"`
Size int64 `json:"size"`
// erasure
DataDisks uint8 `json:"sys.erasureK"`
ParityDisks uint8 `json:"sys.erasureM"`
BlockSize int `json:"sys.blockSize"`
ChunkCount int `json:"sys.chunkCount"`
// checksums
MD5Sum string `json:"sys.md5sum"`
SHA512Sum string `json:"sys.sha512sum"`
// metadata
Metadata map[string]string `json:"metadata"`
}
// Metadata container for donut metadata
type Metadata struct {
Version string `json:"version"`
}
// AllBuckets container for all buckets
type AllBuckets struct {
Version string `json:"version"`
Buckets map[string]BucketMetadata `json:"buckets"`
}
// BucketMetadata container for bucket level metadata
type BucketMetadata struct {
Version string `json:"version"`
Name string `json:"name"`
ACL BucketACL `json:"acl"`
Created time.Time `json:"created"`
Multiparts map[string]MultiPartSession `json:"multiparts"`
Metadata map[string]string `json:"metadata"`
BucketObjects map[string]struct{} `json:"objects"`
}
// ListObjectsResults container for list objects response
type ListObjectsResults struct {
Objects map[string]ObjectMetadata `json:"objects"`
CommonPrefixes []string `json:"commonPrefixes"`
IsTruncated bool `json:"isTruncated"`
}
// MultiPartSession multipart session
type MultiPartSession struct {
UploadID string `json:"uploadId"`
Initiated time.Time `json:"initiated"`
Parts map[string]PartMetadata `json:"parts"`
TotalParts int `json:"total-parts"`
}
// PartMetadata - various types of individual part resources
type PartMetadata struct {
PartNumber int
LastModified time.Time
ETag string
Size int64
}
// CompletePart - completed part container
type CompletePart struct {
PartNumber int
ETag string
}
// completedParts is a sortable interface for Part slice
type completedParts []CompletePart
func (a completedParts) Len() int { return len(a) }
func (a completedParts) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a completedParts) Less(i, j int) bool { return a[i].PartNumber < a[j].PartNumber }
// CompleteMultipartUpload container for completing multipart upload
type CompleteMultipartUpload struct {
Part []CompletePart
}
// ObjectResourcesMetadata - various types of object resources
type ObjectResourcesMetadata struct {
Bucket string
EncodingType string
Key string
UploadID string
StorageClass string
PartNumberMarker int
NextPartNumberMarker int
MaxParts int
IsTruncated bool
Part []*PartMetadata
}
// UploadMetadata container capturing metadata on in progress multipart upload in a given bucket
type UploadMetadata struct {
Key string
UploadID string
StorageClass string
Initiated time.Time
}
// BucketMultipartResourcesMetadata - various types of bucket resources for inprogress multipart uploads
type BucketMultipartResourcesMetadata struct {
KeyMarker string
UploadIDMarker string
NextKeyMarker string
NextUploadIDMarker string
EncodingType string
MaxUploads int
IsTruncated bool
Upload []*UploadMetadata
Prefix string
Delimiter string
CommonPrefixes []string
}
// BucketResourcesMetadata - various types of bucket resources
type BucketResourcesMetadata struct {
Prefix string
Marker string
NextMarker string
Maxkeys int
EncodingType string
Delimiter string
IsTruncated bool
CommonPrefixes []string
}