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minio/cmd/storage-datatypes.go

113 lines
2.6 KiB

/*
* MinIO Cloud Storage, (C) 2016-2020 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 cmd
import (
"os"
"time"
)
// VolInfo - represents volume stat information.
type VolInfo struct {
// Name of the volume.
Name string
// Date and time when the volume was created.
Created time.Time
}
// FilesInfo represent a list of files, additionally
// indicates if the list is last.
type FilesInfo struct {
Files []FileInfo
IsTruncated bool
}
// FilesInfoVersions represents a list of file versions,
// additionally indicates if the list is last.
type FilesInfoVersions struct {
FilesVersions []FileInfoVersions
IsTruncated bool
}
// FileInfoVersions represent a list of versions for a given file.
type FileInfoVersions struct {
// Name of the volume.
Volume string
// Name of the file.
Name string
// Represents the latest mod time of the
// latest version.
LatestModTime time.Time
Versions []FileInfo
}
// FileInfo - represents file stat information.
type FileInfo struct {
// Name of the volume.
Volume string
// Name of the file.
Name string
// Version of the file.
VersionID string
// Indicates if the version is the latest
IsLatest bool
// Deleted is set when this FileInfo represents
// a deleted marker for a versioned bucket.
Deleted bool
// DataDir of the file
DataDir string
// Date and time when the file was last modified, if Deleted
// is 'true' this value represents when while was deleted.
ModTime time.Time
// Total file size.
Size int64
// File mode bits.
Mode os.FileMode
// File metadata
Metadata map[string]string
// All the parts per object.
Parts []ObjectPartInfo
// Erasure info for all objects.
Erasure ErasureInfo
}
// newFileInfo - initializes new FileInfo, allocates a fresh erasure info.
func newFileInfo(object string, dataBlocks, parityBlocks int) (fi FileInfo) {
fi.Erasure = ErasureInfo{
Algorithm: erasureAlgorithm,
DataBlocks: dataBlocks,
ParityBlocks: parityBlocks,
BlockSize: blockSizeV1,
Distribution: hashOrder(object, dataBlocks+parityBlocks),
}
return fi
}