package registry import ( "encoding/binary" "encoding/json" "os" "time" "go.etcd.io/bbolt" ) type ObjRegistry struct { boltDB *bbolt.DB objSelector *ObjSelector } const ( // Indicates that an object was created, but its data wasn't verified yet statusCreated = "created" ) const bucketName = "_object" // ObjectInfo represents information about neoFS object that has been created // via gRPC/HTTP/S3 API. type ObjectInfo struct { Id uint64 // Identifier in bolt DB CID string // Container ID in gRPC/HTTP OID string // Object ID in gRPC/HTTP S3Bucket string // Bucket name in S3 S3Key string // Object key in S3 Status string // Status of the object PayloadHash string // SHA256 hash of object payload that can be used for verification } // NewModuleInstance implements the modules.Module interface and returns // a new instance for each VU. func NewObjRegistry(dbFilePath string) *ObjRegistry { options := bbolt.Options{Timeout: 100 * time.Millisecond} boltDB, err := bbolt.Open(dbFilePath, os.ModePerm, &options) if err != nil { panic(err) } objSelector := ObjSelector{boltDB: boltDB, objStatus: statusCreated} objRepository := &ObjRegistry{boltDB: boltDB, objSelector: &objSelector} return objRepository } func (o *ObjRegistry) AddObject(cid, oid, s3Bucket, s3Key, payloadHash string) error { return o.boltDB.Update(func(tx *bbolt.Tx) error { b, err := tx.CreateBucketIfNotExists([]byte(bucketName)) if err != nil { return err } id, err := b.NextSequence() if err != nil { return err } object := ObjectInfo{ Id: id, CID: cid, OID: oid, S3Bucket: s3Bucket, S3Key: s3Key, PayloadHash: payloadHash, Status: statusCreated, } objectJson, err := json.Marshal(object) if err != nil { return err } return b.Put(encodeId(id), objectJson) }) } func (o *ObjRegistry) SetObjectStatus(id uint64, newStatus string) error { return o.boltDB.Update(func(tx *bbolt.Tx) error { b, err := tx.CreateBucketIfNotExists([]byte(bucketName)) if err != nil { return err } objBytes := b.Get(encodeId(id)) if objBytes == nil { return nil } obj := new(ObjectInfo) if err := json.Unmarshal(objBytes, &obj); err != nil { return err } obj.Status = newStatus objBytes, err = json.Marshal(obj) if err != nil { return err } return b.Put(encodeId(id), objBytes) }) } func (o *ObjRegistry) NextObjectToVerify() (*ObjectInfo, error) { return o.objSelector.NextObject() } func (o *ObjRegistry) Close() error { return o.boltDB.Close() } func encodeId(id uint64) []byte { idBytes := make([]byte, 8) binary.BigEndian.PutUint64(idBytes, id) return idBytes } func decodeId(idBytes []byte) uint64 { return binary.BigEndian.Uint64(idBytes) }