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4d8ef7bca7
This change makes dedupe recursively count elements in same-named directories and make the largest one primary. This allows to minimize the amount of data moved (or at least the amount of API calls) when dedupe merges them. It also adds a new fs.Object interface `ParentIDer` with function `ParentID` and implements it for the drive and opendrive backends. This function returns parent directory ID for objects on filesystems that allow same-named dirs. We use it to correctly count sizes of same-named directories. Fixes #2568 Co-authored-by: Ivan Andreev <ivandeex@gmail.com>
114 lines
2.4 KiB
Go
114 lines
2.4 KiB
Go
package fs
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import (
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"context"
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"time"
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)
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// Dir describes an unspecialized directory for directory/container/bucket lists
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type Dir struct {
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remote string // name of the directory
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modTime time.Time // modification or creation time - IsZero for unknown
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size int64 // size of directory and contents or -1 if unknown
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items int64 // number of objects or -1 for unknown
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id string // optional ID
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parent string // optional parent directory ID
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}
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// NewDir creates an unspecialized Directory object
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func NewDir(remote string, modTime time.Time) *Dir {
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return &Dir{
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remote: remote,
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modTime: modTime,
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size: -1,
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items: -1,
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}
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}
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// NewDirCopy creates an unspecialized copy of the Directory object passed in
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func NewDirCopy(ctx context.Context, d Directory) *Dir {
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return &Dir{
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remote: d.Remote(),
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modTime: d.ModTime(ctx),
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size: d.Size(),
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items: d.Items(),
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id: d.ID(),
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}
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}
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// String returns the name
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func (d *Dir) String() string {
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return d.remote
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}
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// Remote returns the remote path
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func (d *Dir) Remote() string {
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return d.remote
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}
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// SetRemote sets the remote
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func (d *Dir) SetRemote(remote string) *Dir {
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d.remote = remote
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return d
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}
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// ID gets the optional ID
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func (d *Dir) ID() string {
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return d.id
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}
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// SetID sets the optional ID
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func (d *Dir) SetID(id string) *Dir {
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d.id = id
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return d
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}
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// ParentID returns the IDs of the Dir parent if known
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func (d *Dir) ParentID() string {
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return d.parent
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}
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// SetParentID sets the optional parent ID of the Dir
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func (d *Dir) SetParentID(parent string) *Dir {
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d.parent = parent
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return d
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}
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// ModTime returns the modification date of the file
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// It should return a best guess if one isn't available
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func (d *Dir) ModTime(ctx context.Context) time.Time {
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if !d.modTime.IsZero() {
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return d.modTime
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}
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return time.Now()
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}
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// Size returns the size of the file
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func (d *Dir) Size() int64 {
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return d.size
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}
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// SetSize sets the size of the directory
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func (d *Dir) SetSize(size int64) *Dir {
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d.size = size
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return d
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}
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// Items returns the count of items in this directory or this
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// directory and subdirectories if known, -1 for unknown
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func (d *Dir) Items() int64 {
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return d.items
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}
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// SetItems sets the number of items in the directory
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func (d *Dir) SetItems(items int64) *Dir {
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d.items = items
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return d
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}
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// Check interfaces
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var (
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_ DirEntry = (*Dir)(nil)
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_ Directory = (*Dir)(nil)
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)
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