130 lines
3 KiB
Go
130 lines
3 KiB
Go
// +build !plan9,go1.7
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package cache
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import (
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"time"
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"path"
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"github.com/ncw/rclone/fs"
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)
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// Directory is a generic dir that stores basic information about it
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type Directory struct {
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fs.Directory `json:"-"`
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CacheFs *Fs `json:"-"` // cache fs
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Name string `json:"name"` // name of the directory
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Dir string `json:"dir"` // abs path of the directory
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CacheModTime int64 `json:"modTime"` // modification or creation time - IsZero for unknown
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CacheSize int64 `json:"size"` // size of directory and contents or -1 if unknown
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CacheItems int64 `json:"items"` // number of objects or -1 for unknown
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CacheType string `json:"cacheType"` // object type
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CacheTs *time.Time `json:",omitempty"`
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}
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// NewDirectory builds an empty dir which will be used to unmarshal data in it
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func NewDirectory(f *Fs, remote string) *Directory {
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cd := ShallowDirectory(f, remote)
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t := time.Now()
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cd.CacheTs = &t
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return cd
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}
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// ShallowDirectory builds an empty dir which will be used to unmarshal data in it
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func ShallowDirectory(f *Fs, remote string) *Directory {
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var cd *Directory
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fullRemote := cleanPath(path.Join(f.Root(), remote))
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// build a new one
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dir := cleanPath(path.Dir(fullRemote))
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name := cleanPath(path.Base(fullRemote))
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cd = &Directory{
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CacheFs: f,
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Name: name,
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Dir: dir,
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CacheModTime: time.Now().UnixNano(),
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CacheSize: 0,
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CacheItems: 0,
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CacheType: "Directory",
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}
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return cd
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}
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// DirectoryFromOriginal builds one from a generic fs.Directory
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func DirectoryFromOriginal(f *Fs, d fs.Directory) *Directory {
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var cd *Directory
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fullRemote := path.Join(f.Root(), d.Remote())
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dir := cleanPath(path.Dir(fullRemote))
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name := cleanPath(path.Base(fullRemote))
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t := time.Now()
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cd = &Directory{
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Directory: d,
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CacheFs: f,
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Name: name,
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Dir: dir,
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CacheModTime: d.ModTime().UnixNano(),
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CacheSize: d.Size(),
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CacheItems: d.Items(),
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CacheType: "Directory",
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CacheTs: &t,
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}
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return cd
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}
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// Fs returns its FS info
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func (d *Directory) Fs() fs.Info {
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return d.CacheFs
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}
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// String returns a human friendly name for this object
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func (d *Directory) String() string {
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if d == nil {
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return "<nil>"
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}
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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 *Directory) Remote() string {
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return d.CacheFs.cleanRootFromPath(d.abs())
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}
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// abs returns the absolute path to the dir
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func (d *Directory) abs() string {
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return cleanPath(path.Join(d.Dir, d.Name))
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}
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// parentRemote returns the absolute path parent remote
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func (d *Directory) parentRemote() string {
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absPath := d.abs()
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if absPath == "" {
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return ""
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}
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return cleanPath(path.Dir(absPath))
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}
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// ModTime returns the cached ModTime
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func (d *Directory) ModTime() time.Time {
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return time.Unix(0, d.CacheModTime)
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}
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// Size returns the cached Size
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func (d *Directory) Size() int64 {
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return d.CacheSize
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}
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// Items returns the cached Items
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func (d *Directory) Items() int64 {
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return d.CacheItems
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}
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var (
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_ fs.Directory = (*Directory)(nil)
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)
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