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[#1584] blobovniczatree: move public methods to different files

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Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgenii Stratonikov 2022-07-18 09:16:36 +03:00 committed by fyrchik
parent 26b4a258e0
commit 0042c1d4a6
7 changed files with 712 additions and 660 deletions
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660
pkg/local_object_storage/blobstor/blobovniczatree/blobovnicza.go
View file

@ -12,8 +12,6 @@ import (
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobovnicza"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/compression"
apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
"go.uber.org/zap"
)
@ -128,621 +126,6 @@ func NewBlobovniczaTree(opts ...Option) (blz *Blobovniczas) {
return blz
}
// makes slice of uint64 values from 0 to number-1.
func indexSlice(number uint64) []uint64 {
s := make([]uint64, number)
for i := range s {
s[i] = uint64(i)
}
return s
}
// save object in the maximum weight blobobnicza.
//
// returns error if could not save object in any blobovnicza.
func (b *Blobovniczas) Put(prm common.PutPrm) (common.PutRes, error) {
if !prm.DontCompress {
prm.RawData = b.CConfig.Compress(prm.RawData)
}
var putPrm blobovnicza.PutPrm
putPrm.SetAddress(prm.Address)
putPrm.SetMarshaledObject(prm.RawData)
var (
fn func(string) (bool, error)
id *blobovnicza.ID
)
fn = func(p string) (bool, error) {
active, err := b.getActivated(p)
if err != nil {
b.log.Debug("could not get active blobovnicza",
zap.String("error", err.Error()),
)
return false, nil
}
if _, err := active.blz.Put(putPrm); err != nil {
// check if blobovnicza is full
if errors.Is(err, blobovnicza.ErrFull) {
b.log.Debug("blobovnicza overflowed",
zap.String("path", filepath.Join(p, u64ToHexString(active.ind))),
)
if err := b.updateActive(p, &active.ind); err != nil {
b.log.Debug("could not update active blobovnicza",
zap.String("level", p),
zap.String("error", err.Error()),
)
return false, nil
}
return fn(p)
}
b.log.Debug("could not put object to active blobovnicza",
zap.String("path", filepath.Join(p, u64ToHexString(active.ind))),
zap.String("error", err.Error()),
)
return false, nil
}
p = filepath.Join(p, u64ToHexString(active.ind))
id = blobovnicza.NewIDFromBytes([]byte(p))
return true, nil
}
if err := b.iterateDeepest(prm.Address, fn); err != nil {
return common.PutRes{}, err
} else if id == nil {
return common.PutRes{}, errPutFailed
}
return common.PutRes{StorageID: id.Bytes()}, nil
}
// Get reads object from blobovnicza tree.
//
// If blobocvnicza ID is specified, only this blobovnicza is processed.
// Otherwise, all Blobovniczas are processed descending weight.
func (b *Blobovniczas) Get(prm common.GetPrm) (res common.GetRes, err error) {
var bPrm blobovnicza.GetPrm
bPrm.SetAddress(prm.Address)
if prm.StorageID != nil {
id := blobovnicza.NewIDFromBytes(prm.StorageID)
blz, err := b.openBlobovnicza(id.String())
if err != nil {
return res, err
}
return b.getObject(blz, bPrm)
}
activeCache := make(map[string]struct{})
err = b.iterateSortedLeaves(&prm.Address, func(p string) (bool, error) {
dirPath := filepath.Dir(p)
_, ok := activeCache[dirPath]
res, err = b.getObjectFromLevel(bPrm, p, !ok)
if err != nil {
if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not get object from level",
zap.String("level", p),
zap.String("error", err.Error()),
)
}
}
activeCache[dirPath] = struct{}{}
// abort iterator if found, otherwise process all Blobovniczas
return err == nil, nil
})
if err == nil && res.Object == nil {
// not found in any blobovnicza
var errNotFound apistatus.ObjectNotFound
return res, errNotFound
}
return
}
// Delete deletes object from blobovnicza tree.
//
// If blobocvnicza ID is specified, only this blobovnicza is processed.
// Otherwise, all Blobovniczas are processed descending weight.
func (b *Blobovniczas) Delete(prm common.DeletePrm) (res common.DeleteRes, err error) {
var bPrm blobovnicza.DeletePrm
bPrm.SetAddress(prm.Address)
if prm.StorageID != nil {
id := blobovnicza.NewIDFromBytes(prm.StorageID)
blz, err := b.openBlobovnicza(id.String())
if err != nil {
return res, err
}
return b.deleteObject(blz, bPrm, prm)
}
activeCache := make(map[string]struct{})
objectFound := false
err = b.iterateSortedLeaves(&prm.Address, func(p string) (bool, error) {
dirPath := filepath.Dir(p)
// don't process active blobovnicza of the level twice
_, ok := activeCache[dirPath]
res, err = b.deleteObjectFromLevel(bPrm, p, !ok, prm)
if err != nil {
if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not remove object from level",
zap.String("level", p),
zap.String("error", err.Error()),
)
}
}
activeCache[dirPath] = struct{}{}
if err == nil {
objectFound = true
}
// abort iterator if found, otherwise process all Blobovniczas
return err == nil, nil
})
if err == nil && !objectFound {
// not found in any blobovnicza
var errNotFound apistatus.ObjectNotFound
return common.DeleteRes{}, errNotFound
}
return
}
// GetRange reads range of object payload data from blobovnicza tree.
//
// If blobocvnicza ID is specified, only this blobovnicza is processed.
// Otherwise, all Blobovniczas are processed descending weight.
func (b *Blobovniczas) GetRange(prm common.GetRangePrm) (res common.GetRangeRes, err error) {
if prm.StorageID != nil {
id := blobovnicza.NewIDFromBytes(prm.StorageID)
blz, err := b.openBlobovnicza(id.String())
if err != nil {
return common.GetRangeRes{}, err
}
return b.getObjectRange(blz, prm)
}
activeCache := make(map[string]struct{})
objectFound := false
err = b.iterateSortedLeaves(&prm.Address, func(p string) (bool, error) {
dirPath := filepath.Dir(p)
_, ok := activeCache[dirPath]
res, err = b.getRangeFromLevel(prm, p, !ok)
if err != nil {
outOfBounds := isErrOutOfRange(err)
if !blobovnicza.IsErrNotFound(err) && !outOfBounds {
b.log.Debug("could not get object from level",
zap.String("level", p),
zap.String("error", err.Error()),
)
}
if outOfBounds {
return true, err
}
}
activeCache[dirPath] = struct{}{}
objectFound = err == nil
// abort iterator if found, otherwise process all Blobovniczas
return err == nil, nil
})
if err == nil && !objectFound {
// not found in any blobovnicza
var errNotFound apistatus.ObjectNotFound
return common.GetRangeRes{}, errNotFound
}
return
}
// tries to delete object from particular blobovnicza.
//
// returns no error if object was removed from some blobovnicza of the same level.
func (b *Blobovniczas) deleteObjectFromLevel(prm blobovnicza.DeletePrm, blzPath string, tryActive bool, dp common.DeletePrm) (common.DeleteRes, error) {
lvlPath := filepath.Dir(blzPath)
// try to remove from blobovnicza if it is opened
b.lruMtx.Lock()
v, ok := b.opened.Get(blzPath)
b.lruMtx.Unlock()
if ok {
if res, err := b.deleteObject(v.(*blobovnicza.Blobovnicza), prm, dp); err == nil {
return res, err
} else if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not remove object from opened blobovnicza",
zap.String("path", blzPath),
zap.String("error", err.Error()),
)
}
}
// therefore the object is possibly placed in a lighter blobovnicza
// next we check in the active level blobobnicza:
// * the active blobovnicza is always opened.
b.activeMtx.RLock()
active, ok := b.active[lvlPath]
b.activeMtx.RUnlock()
if ok && tryActive {
if res, err := b.deleteObject(active.blz, prm, dp); err == nil {
return res, err
} else if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not remove object from active blobovnicza",
zap.String("path", blzPath),
zap.String("error", err.Error()),
)
}
}
// then object is possibly placed in closed blobovnicza
// check if it makes sense to try to open the blob
// (Blobovniczas "after" the active one are empty anyway,
// and it's pointless to open them).
if u64FromHexString(filepath.Base(blzPath)) > active.ind {
b.log.Debug("index is too big", zap.String("path", blzPath))
var errNotFound apistatus.ObjectNotFound
return common.DeleteRes{}, errNotFound
}
// open blobovnicza (cached inside)
blz, err := b.openBlobovnicza(blzPath)
if err != nil {
return common.DeleteRes{}, err
}
return b.deleteObject(blz, prm, dp)
}
// tries to read object from particular blobovnicza.
//
// returns error if object could not be read from any blobovnicza of the same level.
func (b *Blobovniczas) getObjectFromLevel(prm blobovnicza.GetPrm, blzPath string, tryActive bool) (common.GetRes, error) {
lvlPath := filepath.Dir(blzPath)
// try to read from blobovnicza if it is opened
b.lruMtx.Lock()
v, ok := b.opened.Get(blzPath)
b.lruMtx.Unlock()
if ok {
if res, err := b.getObject(v.(*blobovnicza.Blobovnicza), prm); err == nil {
return res, err
} else if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not read object from opened blobovnicza",
zap.String("path", blzPath),
zap.String("error", err.Error()),
)
}
}
// therefore the object is possibly placed in a lighter blobovnicza
// next we check in the active level blobobnicza:
// * the freshest objects are probably the most demanded;
// * the active blobovnicza is always opened.
b.activeMtx.RLock()
active, ok := b.active[lvlPath]
b.activeMtx.RUnlock()
if ok && tryActive {
if res, err := b.getObject(active.blz, prm); err == nil {
return res, err
} else if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not get object from active blobovnicza",
zap.String("path", blzPath),
zap.String("error", err.Error()),
)
}
}
// then object is possibly placed in closed blobovnicza
// check if it makes sense to try to open the blob
// (Blobovniczas "after" the active one are empty anyway,
// and it's pointless to open them).
if u64FromHexString(filepath.Base(blzPath)) > active.ind {
b.log.Debug("index is too big", zap.String("path", blzPath))
var errNotFound apistatus.ObjectNotFound
return common.GetRes{}, errNotFound
}
// open blobovnicza (cached inside)
blz, err := b.openBlobovnicza(blzPath)
if err != nil {
return common.GetRes{}, err
}
return b.getObject(blz, prm)
}
// tries to read range of object payload data from particular blobovnicza.
//
// returns error if object could not be read from any blobovnicza of the same level.
func (b *Blobovniczas) getRangeFromLevel(prm common.GetRangePrm, blzPath string, tryActive bool) (common.GetRangeRes, error) {
lvlPath := filepath.Dir(blzPath)
// try to read from blobovnicza if it is opened
b.lruMtx.Lock()
v, ok := b.opened.Get(blzPath)
b.lruMtx.Unlock()
if ok {
res, err := b.getObjectRange(v.(*blobovnicza.Blobovnicza), prm)
switch {
case err == nil,
isErrOutOfRange(err):
return res, err
default:
if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not read payload range from opened blobovnicza",
zap.String("path", blzPath),
zap.String("error", err.Error()),
)
}
}
}
// therefore the object is possibly placed in a lighter blobovnicza
// next we check in the active level blobobnicza:
// * the freshest objects are probably the most demanded;
// * the active blobovnicza is always opened.
b.activeMtx.RLock()
active, ok := b.active[lvlPath]
b.activeMtx.RUnlock()
if ok && tryActive {
res, err := b.getObjectRange(active.blz, prm)
switch {
case err == nil,
isErrOutOfRange(err):
return res, err
default:
if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not read payload range from active blobovnicza",
zap.String("path", blzPath),
zap.String("error", err.Error()),
)
}
}
}
// then object is possibly placed in closed blobovnicza
// check if it makes sense to try to open the blob
// (Blobovniczas "after" the active one are empty anyway,
// and it's pointless to open them).
if u64FromHexString(filepath.Base(blzPath)) > active.ind {
b.log.Debug("index is too big", zap.String("path", blzPath))
var errNotFound apistatus.ObjectNotFound
return common.GetRangeRes{}, errNotFound
}
// open blobovnicza (cached inside)
blz, err := b.openBlobovnicza(blzPath)
if err != nil {
return common.GetRangeRes{}, err
}
return b.getObjectRange(blz, prm)
}
// removes object from blobovnicza and returns common.DeleteRes.
func (b *Blobovniczas) deleteObject(blz *blobovnicza.Blobovnicza, prm blobovnicza.DeletePrm, dp common.DeletePrm) (common.DeleteRes, error) {
_, err := blz.Delete(prm)
return common.DeleteRes{}, err
}
// reads object from blobovnicza and returns GetSmallRes.
func (b *Blobovniczas) getObject(blz *blobovnicza.Blobovnicza, prm blobovnicza.GetPrm) (common.GetRes, error) {
res, err := blz.Get(prm)
if err != nil {
return common.GetRes{}, err
}
// decompress the data
data, err := b.Decompress(res.Object())
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
}
// reads range of object payload data from blobovnicza and returns GetRangeSmallRes.
func (b *Blobovniczas) getObjectRange(blz *blobovnicza.Blobovnicza, prm common.GetRangePrm) (common.GetRangeRes, error) {
var gPrm blobovnicza.GetPrm
gPrm.SetAddress(prm.Address)
// we don't use GetRange call for now since blobovnicza
// stores data that is compressed on BlobStor side.
// If blobovnicza learns to do the compression itself,
// we can start using GetRange.
res, err := blz.Get(gPrm)
if err != nil {
return common.GetRangeRes{}, err
}
// decompress the data
data, err := b.Decompress(res.Object())
if err != nil {
return common.GetRangeRes{}, fmt.Errorf("could not decompress object data: %w", err)
}
// unmarshal the object
obj := objectSDK.New()
if err := obj.Unmarshal(data); err != nil {
return common.GetRangeRes{}, fmt.Errorf("could not unmarshal the object: %w", err)
}
from := prm.Range.GetOffset()
to := from + prm.Range.GetLength()
payload := obj.Payload()
if pLen := uint64(len(payload)); to < from || pLen < from || pLen < to {
var errOutOfRange apistatus.ObjectOutOfRange
return common.GetRangeRes{}, errOutOfRange
}
return common.GetRangeRes{
Data: payload[from:to],
}, nil
}
// iterator over the paths of Blobovniczas in random order.
func (b *Blobovniczas) iterateLeaves(f func(string) (bool, error)) error {
return b.iterateSortedLeaves(nil, f)
}
// Iterate iterates over all objects in b.
func (b *Blobovniczas) Iterate(prm common.IteratePrm) (common.IterateRes, error) {
return common.IterateRes{}, b.iterateBlobovniczas(prm.IgnoreErrors, func(p string, blz *blobovnicza.Blobovnicza) error {
return blobovnicza.IterateObjects(blz, func(addr oid.Address, data []byte) error {
data, err := b.Decompress(data)
if err != nil {
if prm.IgnoreErrors {
if prm.ErrorHandler != nil {
return prm.ErrorHandler(addr, err)
}
return nil
}
return fmt.Errorf("could not decompress object data: %w", err)
}
return prm.Handler(common.IterationElement{
Address: addr,
ObjectData: data,
StorageID: []byte(p),
})
})
})
}
// iterator over all Blobovniczas in unsorted order. Break on f's error return.
func (b *Blobovniczas) iterateBlobovniczas(ignoreErrors bool, f func(string, *blobovnicza.Blobovnicza) error) error {
return b.iterateLeaves(func(p string) (bool, error) {
blz, err := b.openBlobovnicza(p)
if err != nil {
if ignoreErrors {
return false, nil
}
return false, fmt.Errorf("could not open blobovnicza %s: %w", p, err)
}
err = f(p, blz)
return err != nil, err
})
}
// iterator over the paths of Blobovniczas sorted by weight.
func (b *Blobovniczas) iterateSortedLeaves(addr *oid.Address, f func(string) (bool, error)) error {
_, err := b.iterateSorted(
addr,
make([]string, 0, b.blzShallowDepth),
b.blzShallowDepth,
func(p []string) (bool, error) { return f(filepath.Join(p...)) },
)
return err
}
// iterator over directories with Blobovniczas sorted by weight.
func (b *Blobovniczas) iterateDeepest(addr oid.Address, f func(string) (bool, error)) error {
depth := b.blzShallowDepth
if depth > 0 {
depth--
}
_, err := b.iterateSorted(
&addr,
make([]string, 0, depth),
depth,
func(p []string) (bool, error) { return f(filepath.Join(p...)) },
)
return err
}
// iterator over particular level of directories.
func (b *Blobovniczas) iterateSorted(addr *oid.Address, curPath []string, execDepth uint64, f func([]string) (bool, error)) (bool, error) {
indices := indexSlice(b.blzShallowWidth)
hrw.SortSliceByValue(indices, addressHash(addr, filepath.Join(curPath...)))
exec := uint64(len(curPath)) == execDepth
for i := range indices {
if i == 0 {
curPath = append(curPath, u64ToHexString(indices[i]))
} else {
curPath[len(curPath)-1] = u64ToHexString(indices[i])
}
if exec {
if stop, err := f(curPath); err != nil {
return false, err
} else if stop {
return true, nil
}
} else if stop, err := b.iterateSorted(addr, curPath, execDepth, f); err != nil {
return false, err
} else if stop {
return true, nil
}
}
return false, nil
}
// activates and returns activated blobovnicza of p-level (dir).
//
// returns error if blobvnicza could not be activated.
@ -813,49 +196,6 @@ func (b *Blobovniczas) updateAndGet(p string, old *uint64) (blobovniczaWithIndex
return active, nil
}
// opens and returns blobovnicza with path p.
//
// If blobovnicza is already opened and cached, instance from cache is returned w/o changes.
func (b *Blobovniczas) openBlobovnicza(p string) (*blobovnicza.Blobovnicza, error) {
b.lruMtx.Lock()
v, ok := b.opened.Get(p)
b.lruMtx.Unlock()
if ok {
// blobovnicza should be opened in cache
return v.(*blobovnicza.Blobovnicza), nil
}
b.openMtx.Lock()
defer b.openMtx.Unlock()
b.lruMtx.Lock()
v, ok = b.opened.Get(p)
b.lruMtx.Unlock()
if ok {
// blobovnicza should be opened in cache
return v.(*blobovnicza.Blobovnicza), nil
}
blz := blobovnicza.New(append(b.blzOpts,
blobovnicza.WithReadOnly(b.readOnly),
blobovnicza.WithPath(filepath.Join(b.rootPath, p)),
)...)
if err := blz.Open(); err != nil {
return nil, fmt.Errorf("could not open blobovnicza %s: %w", p, err)
}
b.activeMtx.Lock()
b.lruMtx.Lock()
b.opened.Add(p, blz)
b.lruMtx.Unlock()
b.activeMtx.Unlock()
return blz, nil
}
// returns hash of the object address.
func addressHash(addr *oid.Address, path string) uint64 {
var a string

44
pkg/local_object_storage/blobstor/blobovniczatree/control.go
View file

@ -2,6 +2,7 @@ package blobovniczatree
import (
"fmt"
"path/filepath"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobovnicza"
"go.uber.org/zap"
@ -70,3 +71,46 @@ func (b *Blobovniczas) Close() error {
return nil
}
// opens and returns blobovnicza with path p.
//
// If blobovnicza is already opened and cached, instance from cache is returned w/o changes.
func (b *Blobovniczas) openBlobovnicza(p string) (*blobovnicza.Blobovnicza, error) {
b.lruMtx.Lock()
v, ok := b.opened.Get(p)
b.lruMtx.Unlock()
if ok {
// blobovnicza should be opened in cache
return v.(*blobovnicza.Blobovnicza), nil
}
b.openMtx.Lock()
defer b.openMtx.Unlock()
b.lruMtx.Lock()
v, ok = b.opened.Get(p)
b.lruMtx.Unlock()
if ok {
// blobovnicza should be opened in cache
return v.(*blobovnicza.Blobovnicza), nil
}
blz := blobovnicza.New(append(b.blzOpts,
blobovnicza.WithReadOnly(b.readOnly),
blobovnicza.WithPath(filepath.Join(b.rootPath, p)),
)...)
if err := blz.Open(); err != nil {
return nil, fmt.Errorf("could not open blobovnicza %s: %w", p, err)
}
b.activeMtx.Lock()
b.lruMtx.Lock()
b.opened.Add(p, blz)
b.lruMtx.Unlock()
b.activeMtx.Unlock()
return blz, nil
}

134
pkg/local_object_storage/blobstor/blobovniczatree/delete.go Normal file
View file

@ -0,0 +1,134 @@
package blobovniczatree
import (
"path/filepath"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobovnicza"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common"
apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
"go.uber.org/zap"
)
// Delete deletes object from blobovnicza tree.
//
// If blobocvnicza ID is specified, only this blobovnicza is processed.
// Otherwise, all Blobovniczas are processed descending weight.
func (b *Blobovniczas) Delete(prm common.DeletePrm) (res common.DeleteRes, err error) {
var bPrm blobovnicza.DeletePrm
bPrm.SetAddress(prm.Address)
if prm.StorageID != nil {
id := blobovnicza.NewIDFromBytes(prm.StorageID)
blz, err := b.openBlobovnicza(id.String())
if err != nil {
return res, err
}
return b.deleteObject(blz, bPrm, prm)
}
activeCache := make(map[string]struct{})
objectFound := false
err = b.iterateSortedLeaves(&prm.Address, func(p string) (bool, error) {
dirPath := filepath.Dir(p)
// don't process active blobovnicza of the level twice
_, ok := activeCache[dirPath]
res, err = b.deleteObjectFromLevel(bPrm, p, !ok, prm)
if err != nil {
if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not remove object from level",
zap.String("level", p),
zap.String("error", err.Error()),
)
}
}
activeCache[dirPath] = struct{}{}
if err == nil {
objectFound = true
}
// abort iterator if found, otherwise process all Blobovniczas
return err == nil, nil
})
if err == nil && !objectFound {
// not found in any blobovnicza
var errNotFound apistatus.ObjectNotFound
return common.DeleteRes{}, errNotFound
}
return
}
// tries to delete object from particular blobovnicza.
//
// returns no error if object was removed from some blobovnicza of the same level.
func (b *Blobovniczas) deleteObjectFromLevel(prm blobovnicza.DeletePrm, blzPath string, tryActive bool, dp common.DeletePrm) (common.DeleteRes, error) {
lvlPath := filepath.Dir(blzPath)
// try to remove from blobovnicza if it is opened
b.lruMtx.Lock()
v, ok := b.opened.Get(blzPath)
b.lruMtx.Unlock()
if ok {
if res, err := b.deleteObject(v.(*blobovnicza.Blobovnicza), prm, dp); err == nil {
return res, err
} else if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not remove object from opened blobovnicza",
zap.String("path", blzPath),
zap.String("error", err.Error()),
)
}
}
// therefore the object is possibly placed in a lighter blobovnicza
// next we check in the active level blobobnicza:
// * the active blobovnicza is always opened.
b.activeMtx.RLock()
active, ok := b.active[lvlPath]
b.activeMtx.RUnlock()
if ok && tryActive {
if res, err := b.deleteObject(active.blz, prm, dp); err == nil {
return res, err
} else if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not remove object from active blobovnicza",
zap.String("path", blzPath),
zap.String("error", err.Error()),
)
}
}
// then object is possibly placed in closed blobovnicza
// check if it makes sense to try to open the blob
// (Blobovniczas "after" the active one are empty anyway,
// and it's pointless to open them).
if u64FromHexString(filepath.Base(blzPath)) > active.ind {
b.log.Debug("index is too big", zap.String("path", blzPath))
var errNotFound apistatus.ObjectNotFound
return common.DeleteRes{}, errNotFound
}
// open blobovnicza (cached inside)
blz, err := b.openBlobovnicza(blzPath)
if err != nil {
return common.DeleteRes{}, err
}
return b.deleteObject(blz, prm, dp)
}
// removes object from blobovnicza and returns common.DeleteRes.
func (b *Blobovniczas) deleteObject(blz *blobovnicza.Blobovnicza, prm blobovnicza.DeletePrm, dp common.DeletePrm) (common.DeleteRes, error) {
_, err := blz.Delete(prm)
return common.DeleteRes{}, err
}

147
pkg/local_object_storage/blobstor/blobovniczatree/get.go Normal file
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package blobovniczatree
import (
"fmt"
"path/filepath"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobovnicza"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common"
apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
"go.uber.org/zap"
)
// Get reads object from blobovnicza tree.
//
// If blobocvnicza ID is specified, only this blobovnicza is processed.
// Otherwise, all Blobovniczas are processed descending weight.
func (b *Blobovniczas) Get(prm common.GetPrm) (res common.GetRes, err error) {
var bPrm blobovnicza.GetPrm
bPrm.SetAddress(prm.Address)
if prm.StorageID != nil {
id := blobovnicza.NewIDFromBytes(prm.StorageID)
blz, err := b.openBlobovnicza(id.String())
if err != nil {
return res, err
}
return b.getObject(blz, bPrm)
}
activeCache := make(map[string]struct{})
err = b.iterateSortedLeaves(&prm.Address, func(p string) (bool, error) {
dirPath := filepath.Dir(p)
_, ok := activeCache[dirPath]
res, err = b.getObjectFromLevel(bPrm, p, !ok)
if err != nil {
if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not get object from level",
zap.String("level", p),
zap.String("error", err.Error()),
)
}
}
activeCache[dirPath] = struct{}{}
// abort iterator if found, otherwise process all Blobovniczas
return err == nil, nil
})
if err == nil && res.Object == nil {
// not found in any blobovnicza
var errNotFound apistatus.ObjectNotFound
return res, errNotFound
}
return
}
// tries to read object from particular blobovnicza.
//
// returns error if object could not be read from any blobovnicza of the same level.
func (b *Blobovniczas) getObjectFromLevel(prm blobovnicza.GetPrm, blzPath string, tryActive bool) (common.GetRes, error) {
lvlPath := filepath.Dir(blzPath)
// try to read from blobovnicza if it is opened
b.lruMtx.Lock()
v, ok := b.opened.Get(blzPath)
b.lruMtx.Unlock()
if ok {
if res, err := b.getObject(v.(*blobovnicza.Blobovnicza), prm); err == nil {
return res, err
} else if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not read object from opened blobovnicza",
zap.String("path", blzPath),
zap.String("error", err.Error()),
)
}
}
// therefore the object is possibly placed in a lighter blobovnicza
// next we check in the active level blobobnicza:
// * the freshest objects are probably the most demanded;
// * the active blobovnicza is always opened.
b.activeMtx.RLock()
active, ok := b.active[lvlPath]
b.activeMtx.RUnlock()
if ok && tryActive {
if res, err := b.getObject(active.blz, prm); err == nil {
return res, err
} else if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not get object from active blobovnicza",
zap.String("path", blzPath),
zap.String("error", err.Error()),
)
}
}
// then object is possibly placed in closed blobovnicza
// check if it makes sense to try to open the blob
// (Blobovniczas "after" the active one are empty anyway,
// and it's pointless to open them).
if u64FromHexString(filepath.Base(blzPath)) > active.ind {
b.log.Debug("index is too big", zap.String("path", blzPath))
var errNotFound apistatus.ObjectNotFound
return common.GetRes{}, errNotFound
}
// open blobovnicza (cached inside)
blz, err := b.openBlobovnicza(blzPath)
if err != nil {
return common.GetRes{}, err
}
return b.getObject(blz, prm)
}
// reads object from blobovnicza and returns GetSmallRes.
func (b *Blobovniczas) getObject(blz *blobovnicza.Blobovnicza, prm blobovnicza.GetPrm) (common.GetRes, error) {
res, err := blz.Get(prm)
if err != nil {
return common.GetRes{}, err
}
// decompress the data
data, err := b.Decompress(res.Object())
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
}

179
pkg/local_object_storage/blobstor/blobovniczatree/get_range.go Normal file
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package blobovniczatree
import (
"fmt"
"path/filepath"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobovnicza"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common"
apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
objectSDK "github.com/nspcc-dev/neofs-sdk-go/object"
"go.uber.org/zap"
)
// GetRange reads range of object payload data from blobovnicza tree.
//
// If blobocvnicza ID is specified, only this blobovnicza is processed.
// Otherwise, all Blobovniczas are processed descending weight.
func (b *Blobovniczas) GetRange(prm common.GetRangePrm) (res common.GetRangeRes, err error) {
if prm.StorageID != nil {
id := blobovnicza.NewIDFromBytes(prm.StorageID)
blz, err := b.openBlobovnicza(id.String())
if err != nil {
return common.GetRangeRes{}, err
}
return b.getObjectRange(blz, prm)
}
activeCache := make(map[string]struct{})
objectFound := false
err = b.iterateSortedLeaves(&prm.Address, func(p string) (bool, error) {
dirPath := filepath.Dir(p)
_, ok := activeCache[dirPath]
res, err = b.getRangeFromLevel(prm, p, !ok)
if err != nil {
outOfBounds := isErrOutOfRange(err)
if !outOfBounds && !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not get object from level",
zap.String("level", p),
zap.String("error", err.Error()),
)
}
if outOfBounds {
return true, err
}
}
activeCache[dirPath] = struct{}{}
objectFound = err == nil
// abort iterator if found, otherwise process all Blobovniczas
return err == nil, nil
})
if err == nil && !objectFound {
// not found in any blobovnicza
var errNotFound apistatus.ObjectNotFound
return common.GetRangeRes{}, errNotFound
}
return
}
// tries to read range of object payload data from particular blobovnicza.
//
// returns error if object could not be read from any blobovnicza of the same level.
func (b *Blobovniczas) getRangeFromLevel(prm common.GetRangePrm, blzPath string, tryActive bool) (common.GetRangeRes, error) {
lvlPath := filepath.Dir(blzPath)
// try to read from blobovnicza if it is opened
b.lruMtx.Lock()
v, ok := b.opened.Get(blzPath)
b.lruMtx.Unlock()
if ok {
res, err := b.getObjectRange(v.(*blobovnicza.Blobovnicza), prm)
switch {
case err == nil,
isErrOutOfRange(err):
return res, err
default:
if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not read payload range from opened blobovnicza",
zap.String("path", blzPath),
zap.String("error", err.Error()),
)
}
}
}
// therefore the object is possibly placed in a lighter blobovnicza
// next we check in the active level blobobnicza:
// * the freshest objects are probably the most demanded;
// * the active blobovnicza is always opened.
b.activeMtx.RLock()
active, ok := b.active[lvlPath]
b.activeMtx.RUnlock()
if ok && tryActive {
res, err := b.getObjectRange(active.blz, prm)
switch {
case err == nil,
isErrOutOfRange(err):
return res, err
default:
if !blobovnicza.IsErrNotFound(err) {
b.log.Debug("could not read payload range from active blobovnicza",
zap.String("path", blzPath),
zap.String("error", err.Error()),
)
}
}
}
// then object is possibly placed in closed blobovnicza
// check if it makes sense to try to open the blob
// (Blobovniczas "after" the active one are empty anyway,
// and it's pointless to open them).
if u64FromHexString(filepath.Base(blzPath)) > active.ind {
b.log.Debug("index is too big", zap.String("path", blzPath))
var errNotFound apistatus.ObjectNotFound
return common.GetRangeRes{}, errNotFound
}
// open blobovnicza (cached inside)
blz, err := b.openBlobovnicza(blzPath)
if err != nil {
return common.GetRangeRes{}, err
}
return b.getObjectRange(blz, prm)
}
// reads range of object payload data from blobovnicza and returns GetRangeSmallRes.
func (b *Blobovniczas) getObjectRange(blz *blobovnicza.Blobovnicza, prm common.GetRangePrm) (common.GetRangeRes, error) {
var gPrm blobovnicza.GetPrm
gPrm.SetAddress(prm.Address)
// we don't use GetRange call for now since blobovnicza
// stores data that is compressed on BlobStor side.
// If blobovnicza learns to do the compression itself,
// we can start using GetRange.
res, err := blz.Get(gPrm)
if err != nil {
return common.GetRangeRes{}, err
}
// decompress the data
data, err := b.Decompress(res.Object())
if err != nil {
return common.GetRangeRes{}, fmt.Errorf("could not decompress object data: %w", err)
}
// unmarshal the object
obj := objectSDK.New()
if err := obj.Unmarshal(data); err != nil {
return common.GetRangeRes{}, fmt.Errorf("could not unmarshal the object: %w", err)
}
from := prm.Range.GetOffset()
to := from + prm.Range.GetLength()
payload := obj.Payload()
if pLen := uint64(len(payload)); to < from || pLen < from || pLen < to {
return common.GetRangeRes{}, apistatus.ObjectOutOfRange{}
}
return common.GetRangeRes{
Data: payload[from:to],
}, nil
}

128
pkg/local_object_storage/blobstor/blobovniczatree/iterate.go Normal file
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package blobovniczatree
import (
"fmt"
"path/filepath"
"github.com/nspcc-dev/hrw"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobovnicza"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common"
oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
)
// Iterate iterates over all objects in b.
func (b *Blobovniczas) Iterate(prm common.IteratePrm) (common.IterateRes, error) {
return common.IterateRes{}, b.iterateBlobovniczas(prm.IgnoreErrors, func(p string, blz *blobovnicza.Blobovnicza) error {
return blobovnicza.IterateObjects(blz, func(addr oid.Address, data []byte) error {
data, err := b.Decompress(data)
if err != nil {
if prm.IgnoreErrors {
if prm.ErrorHandler != nil {
return prm.ErrorHandler(addr, err)
}
return nil
}
return fmt.Errorf("could not decompress object data: %w", err)
}
return prm.Handler(common.IterationElement{
Address: addr,
ObjectData: data,
StorageID: []byte(p),
})
})
})
}
// iterator over all Blobovniczas in unsorted order. Break on f's error return.
func (b *Blobovniczas) iterateBlobovniczas(ignoreErrors bool, f func(string, *blobovnicza.Blobovnicza) error) error {
return b.iterateLeaves(func(p string) (bool, error) {
blz, err := b.openBlobovnicza(p)
if err != nil {
if ignoreErrors {
return false, nil
}
return false, fmt.Errorf("could not open blobovnicza %s: %w", p, err)
}
err = f(p, blz)
return err != nil, err
})
}
// iterator over the paths of Blobovniczas sorted by weight.
func (b *Blobovniczas) iterateSortedLeaves(addr *oid.Address, f func(string) (bool, error)) error {
_, err := b.iterateSorted(
addr,
make([]string, 0, b.blzShallowDepth),
b.blzShallowDepth,
func(p []string) (bool, error) { return f(filepath.Join(p...)) },
)
return err
}
// iterator over directories with Blobovniczas sorted by weight.
func (b *Blobovniczas) iterateDeepest(addr oid.Address, f func(string) (bool, error)) error {
depth := b.blzShallowDepth
if depth > 0 {
depth--
}
_, err := b.iterateSorted(
&addr,
make([]string, 0, depth),
depth,
func(p []string) (bool, error) { return f(filepath.Join(p...)) },
)
return err
}
// iterator over particular level of directories.
func (b *Blobovniczas) iterateSorted(addr *oid.Address, curPath []string, execDepth uint64, f func([]string) (bool, error)) (bool, error) {
indices := indexSlice(b.blzShallowWidth)
hrw.SortSliceByValue(indices, addressHash(addr, filepath.Join(curPath...)))
exec := uint64(len(curPath)) == execDepth
for i := range indices {
if i == 0 {
curPath = append(curPath, u64ToHexString(indices[i]))
} else {
curPath[len(curPath)-1] = u64ToHexString(indices[i])
}
if exec {
if stop, err := f(curPath); err != nil {
return false, err
} else if stop {
return true, nil
}
} else if stop, err := b.iterateSorted(addr, curPath, execDepth, f); err != nil {
return false, err
} else if stop {
return true, nil
}
}
return false, nil
}
// iterator over the paths of Blobovniczas in random order.
func (b *Blobovniczas) iterateLeaves(f func(string) (bool, error)) error {
return b.iterateSortedLeaves(nil, f)
}
// makes slice of uint64 values from 0 to number-1.
func indexSlice(number uint64) []uint64 {
s := make([]uint64, number)
for i := range s {
s[i] = uint64(i)
}
return s
}

80
pkg/local_object_storage/blobstor/blobovniczatree/put.go Normal file
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package blobovniczatree
import (
"errors"
"path/filepath"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobovnicza"
"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/common"
"go.uber.org/zap"
)
// Put saves object in the maximum weight blobobnicza.
//
// returns error if could not save object in any blobovnicza.
func (b *Blobovniczas) Put(prm common.PutPrm) (common.PutRes, error) {
if !prm.DontCompress {
prm.RawData = b.CConfig.Compress(prm.RawData)
}
var putPrm blobovnicza.PutPrm
putPrm.SetAddress(prm.Address)
putPrm.SetMarshaledObject(prm.RawData)
var (
fn func(string) (bool, error)
id *blobovnicza.ID
)
fn = func(p string) (bool, error) {
active, err := b.getActivated(p)
if err != nil {
b.log.Debug("could not get active blobovnicza",
zap.String("error", err.Error()),
)
return false, nil
}
if _, err := active.blz.Put(putPrm); err != nil {
// check if blobovnicza is full
if errors.Is(err, blobovnicza.ErrFull) {
b.log.Debug("blobovnicza overflowed",
zap.String("path", filepath.Join(p, u64ToHexString(active.ind))),
)
if err := b.updateActive(p, &active.ind); err != nil {
b.log.Debug("could not update active blobovnicza",
zap.String("level", p),
zap.String("error", err.Error()),
)
return false, nil
}
return fn(p)
}
b.log.Debug("could not put object to active blobovnicza",
zap.String("path", filepath.Join(p, u64ToHexString(active.ind))),
zap.String("error", err.Error()),
)
return false, nil
}
p = filepath.Join(p, u64ToHexString(active.ind))
id = blobovnicza.NewIDFromBytes([]byte(p))
return true, nil
}
if err := b.iterateDeepest(prm.Address, fn); err != nil {
return common.PutRes{}, err
} else if id == nil {
return common.PutRes{}, errPutFailed
}
return common.PutRes{StorageID: id.Bytes()}, nil
}