[#547] Cache ObjectInfo instead of Object

Signed-off-by: Denis Kirillov <denis@nspcc.ru>

api/cache/objects.go

@@ -6,7 +6,6 @@ import (
 
 	"github.com/bluele/gcache"
 	"github.com/nspcc-dev/neofs-s3-gw/api/data"
-	"github.com/nspcc-dev/neofs-sdk-go/object"
 	oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
 	"go.uber.org/zap"
 )
@@ -39,23 +38,6 @@ func New(config *Config) *ObjectsCache {
 	return &ObjectsCache{cache: gc, logger: config.Logger}
 }
 
-// Get returns a cached object.
-func (o *ObjectsCache) Get(address oid.Address) *object.Object {
-	entry, err := o.cache.Get(address.EncodeToString())
-	if err != nil {
-		return nil
-	}
-
-	result, ok := entry.(object.Object)
-	if !ok {
-		o.logger.Warn("invalid cache entry type", zap.String("actual", fmt.Sprintf("%T", entry)),
-			zap.String("expected", fmt.Sprintf("%T", result)))
-		return nil
-	}
-
-	return &result
-}
-
 // GetObject returns a cached object info.
 func (o *ObjectsCache) GetObject(address oid.Address) *data.ObjectInfo {
 	entry, err := o.cache.Get(address.EncodeToString())
@@ -65,30 +47,14 @@ func (o *ObjectsCache) GetObject(address oid.Address) *data.ObjectInfo {
 
 	result, ok := entry.(*data.ObjectInfo)
 	if !ok {
+		o.logger.Warn("invalid cache entry type", zap.String("actual", fmt.Sprintf("%T", entry)),
+			zap.String("expected", fmt.Sprintf("%T", result)))
 		return nil
 	}
 
 	return result
 }
 
-// Put puts an object to cache.
-func (o *ObjectsCache) Put(obj object.Object) error {
-	cnrID, ok := obj.ContainerID()
-	if !ok {
-		return fmt.Errorf("empty container id")
-	}
-	objID, ok := obj.ID()
-	if !ok {
-		return fmt.Errorf("empty object id")
-	}
-
-	var addr oid.Address
-	addr.SetContainer(cnrID)
-	addr.SetObject(objID)
-
-	return o.cache.Set(addr.EncodeToString(), obj)
-}
-
 // PutObject puts an object info to cache.
 func (o *ObjectsCache) PutObject(obj *data.ObjectInfo) error {
 	cnrID := obj.CID.EncodeToString()

api/layer/multipart_upload.go

@@ -228,10 +228,6 @@ func (n *layer) uploadPart(ctx context.Context, multipartInfo *data.MultipartInf
 		HashSum: partInfo.ETag,
 	}
 
-	if err = n.objCache.PutObject(objInfo); err != nil {
-		n.log.Error("couldn't cache system object", zap.Error(err))
-	}
-
 	return objInfo, nil
 }
 
@@ -335,6 +331,7 @@ func (n *layer) CompleteMultipartUpload(ctx context.Context, p *CompleteMultipar
 		return nil, nil, errors.GetAPIError(errors.ErrInvalidPart)
 	}
 
+	var multipartObjetSize int64
 	parts := make([]*data.PartInfo, 0, len(p.Parts))
 
 	var completedPartsHeader strings.Builder
@@ -348,6 +345,7 @@ func (n *layer) CompleteMultipartUpload(ctx context.Context, p *CompleteMultipar
 			return nil, nil, errors.GetAPIError(errors.ErrEntityTooSmall)
 		}
 		parts = append(parts, partInfo)
+		multipartObjetSize += partInfo.Size
 
 		partInfoStr := partInfo.ToHeaderString()
 		if i != len(p.Parts)-1 {
@@ -388,6 +386,7 @@ func (n *layer) CompleteMultipartUpload(ctx context.Context, p *CompleteMultipar
 		Object:  p.Info.Key,
 		Reader:  r,
 		Header:  initMetadata,
+		Size:    multipartObjetSize,
 	})
 	if err != nil {
 		n.log.Error("could not put a completed object (multipart upload)",

api/layer/object.go

@@ -238,8 +238,8 @@ func (n *layer) PutObject(ctx context.Context, p *PutObjectParams) (*data.Object
 
 func (n *layer) headLastVersionIfNotDeleted(ctx context.Context, bkt *data.BucketInfo, objectName string) (*data.ObjectInfo, error) {
 	if addr := n.namesCache.Get(bkt.Name + "/" + objectName); addr != nil {
-		if headInfo := n.objCache.Get(*addr); headInfo != nil {
+		if objInfo := n.objCache.GetObject(*addr); objInfo != nil {
-			return objInfoFromMeta(bkt, headInfo), nil
+			return objInfo, nil
 		}
 	}
 
@@ -259,14 +259,13 @@ func (n *layer) headLastVersionIfNotDeleted(ctx context.Context, bkt *data.Bucke
 	if err != nil {
 		return nil, err
 	}
-	if err = n.objCache.Put(*meta); err != nil {
+	objInfo := objInfoFromMeta(bkt, meta)
-		n.log.Warn("couldn't put meta to objects cache",
+	if err = n.objCache.PutObject(objInfo); err != nil {
+		n.log.Warn("couldn't put object info to cache",
 			zap.Stringer("object id", node.OID),
 			zap.Stringer("bucket id", bkt.CID),
 			zap.Error(err))
 	}
-
-	objInfo := objInfoFromMeta(bkt, meta)
 	if err = n.namesCache.Put(objInfo.NiceName(), objInfo.Address()); err != nil {
 		n.log.Warn("couldn't put obj address to head cache",
 			zap.String("obj nice name", objInfo.NiceName()),
@@ -304,8 +303,8 @@ func (n *layer) headVersion(ctx context.Context, bkt *data.BucketInfo, p *HeadOb
 		}
 	}
 
-	if headInfo := n.objCache.Get(newAddress(bkt.CID, foundVersion.OID)); headInfo != nil {
+	if objInfo := n.objCache.GetObject(newAddress(bkt.CID, foundVersion.OID)); objInfo != nil {
-		return objInfoFromMeta(bkt, headInfo), nil
+		return objInfo, nil
 	}
 
 	meta, err := n.objectHead(ctx, bkt, foundVersion.OID)
@@ -317,7 +316,7 @@ func (n *layer) headVersion(ctx context.Context, bkt *data.BucketInfo, p *HeadOb
 	}
 
 	objInfo := objInfoFromMeta(bkt, meta)
-	if err = n.objCache.Put(*meta); err != nil {
+	if err = n.objCache.PutObject(objInfo); err != nil {
 		n.log.Warn("couldn't put obj to object cache",
 			zap.String("bucket name", objInfo.Bucket),
 			zap.Stringer("bucket cid", objInfo.CID),
@@ -436,6 +435,10 @@ func (n *layer) getLatestObjectsVersions(ctx context.Context, p allObjectParams)
 		}
 	}
 
+	if len(nodeVersions) == 0 {
+		return nil, nil, nil
+	}
+
 	sort.Slice(nodeVersions, func(i, j int) bool {
 		return nodeVersions[i].FilePath < nodeVersions[j].FilePath
 	})
@@ -511,14 +514,12 @@ func (n *layer) initWorkerPool(ctx context.Context, size int, p allObjectParams,
 				wg.Add(1)
 				err = pool.Submit(func() {
 					defer wg.Done()
-					if obj := n.objectFromObjectsCacheOrNeoFS(ctx, p.Bucket, node.OID); obj != nil {
+					if oi := n.objectInfoFromObjectsCacheOrNeoFS(ctx, p.Bucket, node.OID, p.Prefix, p.Delimiter); oi != nil {
-						if oi := objectInfoFromMeta(p.Bucket, obj, p.Prefix, p.Delimiter); oi != nil {
 						select {
 						case <-ctx.Done():
 						case objCh <- oi:
 						}
 					}
-					}
 				})
 				if err != nil {
 					wg.Done()
@@ -562,12 +563,7 @@ func (n *layer) getAllObjectsVersions(ctx context.Context, bkt *data.BucketInfo,
 			oi.Created = nodeVersion.DeleteMarker.Created
 			oi.IsDeleteMarker = true
 		} else {
-			obj := n.objectFromObjectsCacheOrNeoFS(ctx, bkt, nodeVersion.OID)
+			if oi = n.objectInfoFromObjectsCacheOrNeoFS(ctx, bkt, nodeVersion.OID, prefix, delimiter); oi == nil {
-			if obj == nil {
-				continue
-			}
-			oi = objectInfoFromMeta(bkt, obj, prefix, delimiter)
-			if oi == nil {
 				continue
 			}
 		}
@@ -657,23 +653,23 @@ func (n *layer) isVersioningEnabled(ctx context.Context, bktInfo *data.BucketInf
 	return settings.VersioningEnabled
 }
 
-func (n *layer) objectFromObjectsCacheOrNeoFS(ctx context.Context, bktInfo *data.BucketInfo, obj oid.ID) *object.Object {
+func (n *layer) objectInfoFromObjectsCacheOrNeoFS(ctx context.Context, bktInfo *data.BucketInfo, obj oid.ID, prefix, delimiter string) *data.ObjectInfo {
-	var (
+	if objInfo := n.objCache.GetObject(newAddress(bktInfo.CID, obj)); objInfo != nil {
-		err  error
+		return objInfo
-		meta = n.objCache.Get(newAddress(bktInfo.CID, obj))
+	}
-	)
+
-	if meta == nil {
+	meta, err := n.objectHead(ctx, bktInfo, obj)
-		meta, err = n.objectHead(ctx, bktInfo, obj)
 	if err != nil {
 		n.log.Warn("could not fetch object meta", zap.Error(err))
 		return nil
 	}
-		if err = n.objCache.Put(*meta); err != nil {
+
-			n.log.Error("couldn't cache an object", zap.Error(err))
+	objInfo := objectInfoFromMeta(bktInfo, meta, prefix, delimiter)
-		}
+	if err = n.objCache.PutObject(objInfo); err != nil {
+		n.log.Warn("couldn't cache an object", zap.Error(err))
 	}
 
-	return meta
+	return objInfo
 }
 
 func (n *layer) transformNeofsError(ctx context.Context, err error) error {