frostfs-s3-gw/api/data/tree.go

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package data
import (
"strconv"
"time"
cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/user"
)
const (
UnversionedObjectVersionID = "null"
)
// NodeVersion represent node from tree service.
type NodeVersion struct {
BaseNodeVersion
DeleteMarker *DeleteMarkerInfo
IsUnversioned bool
IsCombined bool
}
func (v NodeVersion) IsDeleteMarker() bool {
return v.DeleteMarker != nil
}
// DeleteMarkerInfo is used to save object info if node in the tree service is delete marker.
// We need this information because the "delete marker" object is no longer stored in FrostFS.
type DeleteMarkerInfo struct {
Created time.Time
Owner user.ID
}
// ExtendedObjectInfo contains additional node info to be able to sort versions by timestamp.
type ExtendedObjectInfo struct {
ObjectInfo *ObjectInfo
NodeVersion *NodeVersion
IsLatest bool
}
func (e ExtendedObjectInfo) Version() string {
if e.NodeVersion.IsUnversioned {
return UnversionedObjectVersionID
}
return e.ObjectInfo.ID.EncodeToString()
}
// BaseNodeVersion is minimal node info from tree service.
// Basically used for "system" object.
type BaseNodeVersion struct {
ID uint64
ParenID uint64
OID oid.ID
Timestamp uint64
Size uint64
ETag string
MD5 string
FilePath string
}
type ObjectTaggingInfo struct {
CnrID cid.ID
ObjName string
VersionID string
}
// MultipartInfo is multipart upload information.
type MultipartInfo struct {
// ID is node id in tree service.
// It's ignored when creating a new multipart upload.
ID uint64
Key string
UploadID string
Owner user.ID
Created time.Time
Meta map[string]string
CopiesNumbers []uint32
}
// PartInfo is upload information about part.
type PartInfo struct {
Key string `json:"key"`
UploadID string `json:"uploadId"`
Number int `json:"number"`
OID oid.ID `json:"oid"`
Size uint64 `json:"size"`
ETag string `json:"etag"`
MD5 string `json:"md5"`
Created time.Time `json:"created"`
}
// ToHeaderString form short part representation to use in S3-Completed-Parts header.
func (p *PartInfo) ToHeaderString() string {
// ETag value contains SHA256 checksum which is used while getting object parts attributes.
return strconv.Itoa(p.Number) + "-" + strconv.FormatUint(p.Size, 10) + "-" + p.ETag
}
func (p *PartInfo) GetETag(md5Enabled bool) string {
if md5Enabled && len(p.MD5) > 0 {
return p.MD5
}
return p.ETag
}
// LockInfo is lock information to create appropriate tree node.
type LockInfo struct {
id uint64
legalHoldOID oid.ID
setLegalHold bool
retentionOID oid.ID
setRetention bool
untilDate string
isCompliance bool
}
func NewLockInfo(id uint64) *LockInfo {
return &LockInfo{id: id}
}
func (l LockInfo) ID() uint64 {
return l.id
}
func (l *LockInfo) SetLegalHold(objID oid.ID) {
l.legalHoldOID = objID
l.setLegalHold = true
}
func (l *LockInfo) ResetLegalHold() {
l.setLegalHold = false
}
func (l LockInfo) LegalHold() oid.ID {
return l.legalHoldOID
}
func (l LockInfo) IsLegalHoldSet() bool {
return l.setLegalHold
}
func (l *LockInfo) SetRetention(objID oid.ID, until string, isCompliance bool) {
l.retentionOID = objID
l.setRetention = true
l.untilDate = until
l.isCompliance = isCompliance
}
func (l LockInfo) IsRetentionSet() bool {
return l.setRetention
}
func (l LockInfo) Retention() oid.ID {
return l.retentionOID
}
func (l LockInfo) UntilDate() string {
return l.untilDate
}
func (l LockInfo) IsCompliance() bool {
return l.isCompliance
}