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

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
support/v0.34
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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4
pkg/local_object_storage/blobstor/blobstor_test.go
View File

@ -38,11 +38,11 @@ func TestCompression(t *testing.T) {
}
testGet := func(t *testing.T, b *BlobStor, i int) {
res1, err := b.GetSmall(common.GetPrm{Address: object.AddressOf(smallObj[i])})
res1, err := b.getSmall(common.GetPrm{Address: object.AddressOf(smallObj[i])})
require.NoError(t, err)
require.Equal(t, smallObj[i], res1.Object)
res2, err := b.GetBig(common.GetPrm{Address: object.AddressOf(bigObj[i])})
res2, err := b.getBig(common.GetPrm{Address: object.AddressOf(bigObj[i])})
require.NoError(t, err)
require.Equal(t, bigObj[i], res2.Object)
}

23
pkg/local_object_storage/blobstor/delete.go
View File

@ -9,13 +9,28 @@ import (
apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
)
// DeleteBig removes an object from shallow dir of BLOB storage.
func (b *BlobStor) Delete(prm common.DeletePrm) (common.DeleteRes, error) {
if prm.BlobovniczaID == nil {
// Nothing specified, try everything.
res, err := b.deleteBig(prm)
if err == nil || !errors.As(err, new(apistatus.ObjectNotFound)) {
return res, err
}
return b.deleteSmall(prm)
}
if *prm.BlobovniczaID == nil {
return b.deleteBig(prm)
}
return b.deleteSmall(prm)
}
// deleteBig removes an object from shallow dir of BLOB storage.
//
// Returns any error encountered that did not allow
// to completely remove the object.
//
// Returns an error of type apistatus.ObjectNotFound if there is no object to delete.
func (b *BlobStor) DeleteBig(prm common.DeletePrm) (common.DeleteRes, error) {
func (b *BlobStor) deleteBig(prm common.DeletePrm) (common.DeleteRes, error) {
err := b.fsTree.Delete(prm.Address)
if errors.Is(err, fstree.ErrFileNotFound) {
var errNotFound apistatus.ObjectNotFound
@ -30,7 +45,7 @@ func (b *BlobStor) DeleteBig(prm common.DeletePrm) (common.DeleteRes, error) {
return common.DeleteRes{}, err
}
// DeleteSmall removes an object from blobovnicza of BLOB storage.
// deleteSmall removes an object from blobovnicza of BLOB storage.
//
// If blobovnicza ID is not set or set to nil, BlobStor tries to
// find and remove object from any blobovnicza.
@ -39,6 +54,6 @@ func (b *BlobStor) DeleteBig(prm common.DeletePrm) (common.DeleteRes, error) {
// to completely remove the object.
//
// Returns an error of type apistatus.ObjectNotFound if there is no object to delete.
func (b *BlobStor) DeleteSmall(prm common.DeletePrm) (common.DeleteRes, error) {
func (b *BlobStor) deleteSmall(prm common.DeletePrm) (common.DeleteRes, error) {
return b.blobovniczas.Delete(prm)
}

24
pkg/local_object_storage/blobstor/get.go
View File

@ -10,14 +10,32 @@ import (
objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
)
// GetBig reads the object from shallow dir of BLOB storage by address.
// 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) {
if prm.BlobovniczaID == nil {
// Nothing specified, try everything.
res, err := b.getBig(prm)
if err == nil || !errors.As(err, new(apistatus.ObjectNotFound)) {
return res, err
}
return b.getSmall(prm)
}
if *prm.BlobovniczaID == nil {
return b.getBig(prm)
}
return b.getSmall(prm)
}
// 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) {
func (b *BlobStor) getBig(prm common.GetPrm) (common.GetRes, error) {
// get compressed object data
data, err := b.fsTree.Get(prm)
if err != nil {
@ -44,6 +62,6 @@ func (b *BlobStor) GetBig(prm common.GetPrm) (common.GetRes, error) {
return common.GetRes{Object: obj}, nil
}
func (b *BlobStor) GetSmall(prm common.GetPrm) (common.GetRes, error) {
func (b *BlobStor) getSmall(prm common.GetPrm) (common.GetRes, error) {
return b.blobovniczas.Get(prm)
}

26
pkg/local_object_storage/blobstor/get_range.go
View File

@ -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)
}

7
pkg/local_object_storage/shard/delete.go
View File

@ -77,7 +77,7 @@ func (s *Shard) Delete(prm DeletePrm) (DeleteRes, error) {
delSmallPrm.Address = prm.addr[i]
delSmallPrm.BlobovniczaID = id
_, err = s.blobStor.DeleteSmall(delSmallPrm)
_, err = s.blobStor.Delete(delSmallPrm)
if err != nil {
s.log.Debug("can't remove small object from blobStor",
zap.Stringer("object_address", prm.addr[i]),
@ -87,11 +87,14 @@ func (s *Shard) Delete(prm DeletePrm) (DeleteRes, error) {
continue
}
var id blobovnicza.ID
// delete big object
var delBigPrm common.DeletePrm
delBigPrm.Address = prm.addr[i]
delBigPrm.BlobovniczaID = &id
_, err = s.blobStor.DeleteBig(delBigPrm)
_, err = s.blobStor.Delete(delBigPrm)
if err != nil {
s.log.Debug("can't remove big object from blobStor",
zap.Stringer("object_address", prm.addr[i]),

44
pkg/local_object_storage/shard/get.go
View File

@ -62,26 +62,12 @@ func (r GetRes) HasMeta() bool {
// Returns an error of type apistatus.ObjectAlreadyRemoved if the requested object has been marked as removed in shard.
// Returns the object.ErrObjectIsExpired if the object is presented but already expired.
func (s *Shard) Get(prm GetPrm) (GetRes, error) {
var big, small storFetcher
cb := func(stor *blobstor.BlobStor, id *blobovnicza.ID) (*objectSDK.Object, error) {
var getPrm common.GetPrm
getPrm.Address = prm.addr
getPrm.BlobovniczaID = id
big = func(stor *blobstor.BlobStor, _ *blobovnicza.ID) (*objectSDK.Object, error) {
var getBigPrm common.GetPrm
getBigPrm.Address = prm.addr
res, err := stor.GetBig(getBigPrm)
if err != nil {
return nil, err
}
return res.Object, nil
}
small = func(stor *blobstor.BlobStor, id *blobovnicza.ID) (*objectSDK.Object, error) {
var getSmallPrm common.GetPrm
getSmallPrm.Address = prm.addr
getSmallPrm.BlobovniczaID = id
res, err := stor.GetSmall(getSmallPrm)
res, err := stor.Get(getPrm)
if err != nil {
return nil, err
}
@ -94,7 +80,7 @@ func (s *Shard) Get(prm GetPrm) (GetRes, error) {
}
skipMeta := prm.skipMeta || s.GetMode().NoMetabase()
obj, hasMeta, err := s.fetchObjectData(prm.addr, skipMeta, big, small, wc)
obj, hasMeta, err := s.fetchObjectData(prm.addr, skipMeta, cb, wc)
return GetRes{
obj: obj,
@ -103,7 +89,7 @@ func (s *Shard) Get(prm GetPrm) (GetRes, error) {
}
// fetchObjectData looks through writeCache and blobStor to find object.
func (s *Shard) fetchObjectData(addr oid.Address, skipMeta bool, big, small storFetcher, wc func(w writecache.Cache) (*objectSDK.Object, error)) (*objectSDK.Object, bool, error) {
func (s *Shard) fetchObjectData(addr oid.Address, skipMeta bool, cb storFetcher, wc func(w writecache.Cache) (*objectSDK.Object, error)) (*objectSDK.Object, bool, error) {
var (
err error
res *objectSDK.Object
@ -135,11 +121,7 @@ func (s *Shard) fetchObjectData(addr oid.Address, skipMeta bool, big, small stor
}
if skipMeta || err != nil {
res, err = small(s.blobStor, nil)
if err == nil || IsErrOutOfRange(err) {
return res, false, err
}
res, err = big(s.blobStor, nil)
res, err = cb(s.blobStor, nil)
return res, false, err
}
@ -157,11 +139,13 @@ func (s *Shard) fetchObjectData(addr oid.Address, skipMeta bool, big, small stor
return nil, true, fmt.Errorf("can't fetch blobovnicza id from metabase: %w", err)
}
if mRes.BlobovniczaID() != nil {
res, err = small(s.blobStor, mRes.BlobovniczaID())
} else {
res, err = big(s.blobStor, nil)
blobovniczaID := mRes.BlobovniczaID()
if blobovniczaID == nil {
var id blobovnicza.ID
blobovniczaID = &id
}
res, err = cb(s.blobStor, blobovniczaID)
return res, true, err
}

35
pkg/local_object_storage/shard/range.go
View File

@ -67,33 +67,14 @@ func (r RngRes) HasMeta() bool {
// Returns an error of type apistatus.ObjectAlreadyRemoved if the requested object has been marked as removed in shard.
// Returns the object.ErrObjectIsExpired if the object is presented but already expired.
func (s *Shard) GetRange(prm RngPrm) (RngRes, error) {
var big, small storFetcher
cb := func(stor *blobstor.BlobStor, id *blobovnicza.ID) (*object.Object, error) {
var getRngPrm common.GetRangePrm
getRngPrm.Address = prm.addr
getRngPrm.Range.SetOffset(prm.off)
getRngPrm.Range.SetLength(prm.ln)
getRngPrm.BlobovniczaID = id
big = func(stor *blobstor.BlobStor, _ *blobovnicza.ID) (*object.Object, error) {
var getRngBigPrm common.GetRangePrm
getRngBigPrm.Address = prm.addr
getRngBigPrm.Range.SetOffset(prm.off)
getRngBigPrm.Range.SetLength(prm.ln)
res, err := stor.GetRangeBig(getRngBigPrm)
if err != nil {
return nil, err
}
obj := object.New()
obj.SetPayload(res.Data)
return obj, nil
}
small = func(stor *blobstor.BlobStor, id *blobovnicza.ID) (*object.Object, error) {
var getRngSmallPrm common.GetRangePrm
getRngSmallPrm.Address = prm.addr
getRngSmallPrm.Range.SetOffset(prm.off)
getRngSmallPrm.Range.SetLength(prm.ln)
getRngSmallPrm.BlobovniczaID = id
res, err := stor.GetRangeSmall(getRngSmallPrm)
res, err := stor.GetRange(getRngPrm)
if err != nil {
return nil, err
}
@ -123,7 +104,7 @@ func (s *Shard) GetRange(prm RngPrm) (RngRes, error) {
}
skipMeta := prm.skipMeta || s.GetMode().NoMetabase()
obj, hasMeta, err := s.fetchObjectData(prm.addr, skipMeta, big, small, wc)
obj, hasMeta, err := s.fetchObjectData(prm.addr, skipMeta, cb, wc)
return RngRes{
obj: obj,