func()

in component/azstorage/block_blob.go [509:555]

• 40 lines of code
• 11 McCabe index (conditional complexity)

func (bb *BlockBlob) getAttrUsingList(name string) (attr *internal.ObjAttr, err error) {
	log.Trace("BlockBlob::getAttrUsingList : name %s", name)

	iteration := 0
	var marker, new_marker *string
	var blobs []*internal.ObjAttr
	blobsRead := 0

	for marker != nil || iteration == 0 {
		blobs, new_marker, err = bb.List(name, marker, bb.Config.maxResultsForList)
		if err != nil {
			e := storeBlobErrToErr(err)
			if e == ErrFileNotFound {
				return attr, syscall.ENOENT
			} else if e == InvalidPermission {
				log.Err("BlockBlob::getAttrUsingList : Insufficient permissions for %s [%s]", name, err.Error())
				return attr, syscall.EACCES
			} else {
				log.Warn("BlockBlob::getAttrUsingList : Failed to list blob properties for %s [%s]", name, err.Error())
			}
		}

		for i, blob := range blobs {
			log.Trace("BlockBlob::getAttrUsingList : Item %d Blob %s", i+blobsRead, blob.Name)
			if blob.Path == name {
				return blob, nil
			}
		}

		marker = new_marker
		iteration++
		blobsRead += len(blobs)

		log.Trace("BlockBlob::getAttrUsingList : So far retrieved %d objects in %d iterations", blobsRead, iteration)
		if new_marker == nil || *new_marker == "" {
			break
		}
	}

	if err == nil {
		log.Warn("BlockBlob::getAttrUsingList : blob %s does not exist", name)
		return nil, syscall.ENOENT
	}

	log.Err("BlockBlob::getAttrUsingList : Failed to list blob properties for %s [%s]", name, err.Error())
	return nil, err
}