package blobstor import ( "errors" "github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/common" "github.com/TrueCloudLab/frostfs-node/pkg/local_object_storage/util/logicerr" apistatus "github.com/TrueCloudLab/frostfs-sdk-go/client/status" ) // Get reads the object from b. // If the descriptor is present, only one sub-storage is tried, // Otherwise, each sub-storage is tried in order. func (b *BlobStor) Get(prm common.GetPrm) (common.GetRes, error) { b.modeMtx.RLock() defer b.modeMtx.RUnlock() if prm.StorageID == nil { for i := range b.storage { res, err := b.storage[i].Storage.Get(prm) if err == nil || !errors.As(err, new(apistatus.ObjectNotFound)) { return res, err } } return common.GetRes{}, logicerr.Wrap(apistatus.ObjectNotFound{}) } if len(prm.StorageID) == 0 { return b.storage[len(b.storage)-1].Storage.Get(prm) } return b.storage[0].Storage.Get(prm) }