frostfs-node/pkg/local_object_storage/blobstor/get.go
Evgenii Stratonikov d9a2f280c9 [#1523] local_object_storage: Unify parameters for the Get operation
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2022-08-22 13:14:19 +03:00

49 lines
1.4 KiB
Go

package blobstor
import (
"errors"
"fmt"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/fstree"
apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
)
// GetBig reads the object from shallow dir of BLOB storage by address.
//
// Returns any error encountered that
// did not allow to completely read the object.
//
// Returns an error of type apistatus.ObjectNotFound if the requested object is not
// presented in shallow dir.
func (b *BlobStor) GetBig(prm common.GetPrm) (common.GetRes, error) {
// get compressed object data
data, err := b.fsTree.Get(prm)
if err != nil {
if errors.Is(err, fstree.ErrFileNotFound) {
var errNotFound apistatus.ObjectNotFound
return common.GetRes{}, errNotFound
}
return common.GetRes{}, fmt.Errorf("could not read object from fs tree: %w", err)
}
data, err = b.Decompress(data)
if err != nil {
return common.GetRes{}, fmt.Errorf("could not decompress object data: %w", err)
}
// unmarshal the object
obj := objectSDK.New()
if err := obj.Unmarshal(data); err != nil {
return common.GetRes{}, fmt.Errorf("could not unmarshal the object: %w", err)
}
return common.GetRes{Object: obj}, nil
}
func (b *BlobStor) GetSmall(prm common.GetPrm) (common.GetRes, error) {
return b.blobovniczas.Get(prm)
}