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[#1523] blobstor: Export single Get, GetRange and Delete methods

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Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgenii Stratonikov 2022-07-06 15:39:35 +03:00 • committed by fyrchik
parent ca15083a50
commit 7d6df543d7
7 changed files with 91 additions and 72 deletions
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26
pkg/local_object_storage/blobstor/get_range.go
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@ -10,14 +10,32 @@ import (
objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
)
// GetRangeBig reads data of object payload range from shallow dir of BLOB storage.
// GetRange reads object payload data from b.
// If the descriptor is present, only one sub-storage is tried,
// Otherwise, each sub-storage is tried in order.
func (b *BlobStor) GetRange(prm common.GetRangePrm) (common.GetRangeRes, error) {
if prm.BlobovniczaID == nil {
// Nothing specified, try everything.
res, err := b.getRangeBig(prm)
if err == nil || !errors.As(err, new(apistatus.ObjectNotFound)) {
return res, err
}
return b.getRangeSmall(prm)
}
if *prm.BlobovniczaID == nil {
return b.getRangeBig(prm)
}
return b.getRangeSmall(prm)
}
// getRangeBig reads data of object payload range from shallow dir of BLOB storage.
//
// Returns any error encountered that
// did not allow to completely read the object payload range.
//
// Returns ErrRangeOutOfBounds if the requested object range is out of bounds.
// Returns an error of type apistatus.ObjectNotFound if object is missing.
func (b *BlobStor) GetRangeBig(prm common.GetRangePrm) (common.GetRangeRes, error) {
func (b *BlobStor) getRangeBig(prm common.GetRangePrm) (common.GetRangeRes, error) {
// get compressed object data
data, err := b.fsTree.Get(common.GetPrm{Address: prm.Address})
if err != nil {
@ -55,7 +73,7 @@ func (b *BlobStor) GetRangeBig(prm common.GetRangePrm) (common.GetRangeRes, erro
}, nil
}
// GetRangeSmall reads data of object payload range from blobovnicza of BLOB storage.
// getRangeSmall reads data of object payload range from blobovnicza of BLOB storage.
//
// If blobovnicza ID is not set or set to nil, BlobStor tries to get payload range
// from any blobovnicza.
@ -65,6 +83,6 @@ func (b *BlobStor) GetRangeBig(prm common.GetRangePrm) (common.GetRangeRes, erro
//
// Returns ErrRangeOutOfBounds if the requested object range is out of bounds.
// Returns an error of type apistatus.ObjectNotFound if the requested object is missing in blobovnicza(s).
func (b *BlobStor) GetRangeSmall(prm common.GetRangePrm) (common.GetRangeRes, error) {
func (b *BlobStor) getRangeSmall(prm common.GetRangePrm) (common.GetRangeRes, error) {
return b.blobovniczas.GetRange(prm)
}