Function NewObjectHandle

backend/cache/handle.go:63–82

NewObjectHandle returns a new Handle for an existing Object

(ctx context.Context, o *Object, cfs *Fs)

// NewObjectHandle returns a new Handle for an existing Object
func NewObjectHandle(ctx context.Context, o *Object, cfs *Fs) *Handle {
	r := &Handle{
		ctx:           ctx,
		cachedObject:  o,
		cfs:           cfs,
		offset:        0,
		preloadOffset: -1, // -1 to trigger the first preload

		UseMemory: !cfs.opt.ChunkNoMemory,
		reading:   false,
	}
	r.seenOffsets = make(map[int64]bool)
	r.memory = NewMemory(-1)

	// create a larger buffer to queue up requests
	r.preloadQueue = make(chan int64, r.cfs.opt.TotalWorkers*10)
	r.confirmReading = make(chan bool)
	r.startReadWorkers()
	return r
}

// cacheFs is a convenience method to get the parent cache FS of the object's manager
func (r *Handle) cacheFs() *Fs {