forked from TrueCloudLab/frostfs-node
58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
package blobstor
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import (
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"errors"
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"fmt"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/fstree"
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apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
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objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
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)
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// GetBigPrm groups the parameters of GetBig operation.
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type GetBigPrm struct {
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address
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}
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// GetBigRes groups the resulting values of GetBig operation.
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type GetBigRes struct {
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roObject
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}
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// GetBig reads the object from shallow dir of BLOB storage by address.
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//
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// Returns any error encountered that
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// did not allow to completely read the object.
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//
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// Returns an error of type apistatus.ObjectNotFound if the requested object is not
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// presented in shallow dir.
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func (b *BlobStor) GetBig(prm GetBigPrm) (GetBigRes, error) {
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// get compressed object data
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data, err := b.fsTree.Get(prm.addr)
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if err != nil {
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if errors.Is(err, fstree.ErrFileNotFound) {
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var errNotFound apistatus.ObjectNotFound
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return GetBigRes{}, errNotFound
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}
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return GetBigRes{}, fmt.Errorf("could not read object from fs tree: %w", err)
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}
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data, err = b.decompressor(data)
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if err != nil {
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return GetBigRes{}, fmt.Errorf("could not decompress object data: %w", err)
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}
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// unmarshal the object
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obj := objectSDK.New()
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if err := obj.Unmarshal(data); err != nil {
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return GetBigRes{}, fmt.Errorf("could not unmarshal the object: %w", err)
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}
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return GetBigRes{
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roObject: roObject{
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obj: obj,
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},
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}, nil
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}
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