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cache: add support for PutStream - fixes #1836

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This commit is contained in:
remusb 2017-11-30 21:16:45 +02:00
parent 47450ba326
commit 4af4bbb539
1 changed files with 22 additions and 23 deletions
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43
cache/cache.go vendored
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@ -376,6 +376,7 @@ func NewFs(name, rpath string) (fs.Fs, error) {
DirChangeNotify: nil,
DirCacheFlush: f.DirCacheFlush,
PutUnchecked: f.PutUnchecked,
PutStream: f.PutStream,
CleanUp: f.CleanUp,
UnWrap: f.UnWrap,
}).Fill(f).Mask(wrappedFs)
@ -689,18 +690,18 @@ func (f *Fs) cacheReader(u io.Reader, src fs.ObjectInfo, originalRead func(inn i
}
}
// Put in to the remote path with the modTime given of the given size
func (f *Fs) Put(in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
fs.Debugf(f, "put data at '%s'", src.Remote())
type putFn func(in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error)
// put in to the remote path
func (f *Fs) put(in io.Reader, src fs.ObjectInfo, options []fs.OpenOption, put putFn) (fs.Object, error) {
var err error
var obj fs.Object
if f.cacheWrites {
f.cacheReader(in, src, func(inn io.Reader) {
obj, err = f.Fs.Put(inn, src, options...)
obj, err = put(inn, src, options...)
})
} else {
obj, err = f.Fs.Put(in, src, options...)
obj, err = put(in, src, options...)
}
if err != nil {
@ -714,6 +715,12 @@ func (f *Fs) Put(in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.
return cachedObj, nil
}
// Put in to the remote path with the modTime given of the given size
func (f *Fs) Put(in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
fs.Debugf(f, "put data at '%s'", src.Remote())
return f.put(in, src, options, f.Fs.Put)
}
// PutUnchecked uploads the object
func (f *Fs) PutUnchecked(in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
do := f.Fs.Features().PutUnchecked
@ -721,26 +728,17 @@ func (f *Fs) PutUnchecked(in io.Reader, src fs.ObjectInfo, options ...fs.OpenOpt
return nil, errors.New("can't PutUnchecked")
}
fs.Infof(f, "put data unchecked in '%s'", src.Remote())
var err error
var obj fs.Object
if f.cacheWrites {
f.cacheReader(in, src, func(inn io.Reader) {
obj, err = f.Fs.Put(inn, src, options...)
})
} else {
obj, err = f.Fs.Put(in, src, options...)
return f.put(in, src, options, do)
}
if err != nil {
fs.Errorf(src, "error saving in cache: %v", err)
return nil, err
// PutStream uploads the object
func (f *Fs) PutStream(in io.Reader, src fs.ObjectInfo, options ...fs.OpenOption) (fs.Object, error) {
do := f.Fs.Features().PutStream
if do == nil {
return nil, errors.New("can't PutStream")
}
cachedObj := ObjectFromOriginal(f, obj).persist()
// clean cache
go f.CleanUpCache(false)
return cachedObj, nil
fs.Infof(f, "put data streaming in '%s'", src.Remote())
return f.put(in, src, options, do)
}
// Copy src to this remote using server side copy operations.
@ -962,6 +960,7 @@ var (
_ fs.Mover = (*Fs)(nil)
_ fs.DirMover = (*Fs)(nil)
_ fs.PutUncheckeder = (*Fs)(nil)
_ fs.PutStreamer = (*Fs)(nil)
_ fs.CleanUpper = (*Fs)(nil)
_ fs.UnWrapper = (*Fs)(nil)
_ fs.ListRer = (*Fs)(nil)