package engine import ( "errors" "github.com/nspcc-dev/neofs-node/pkg/core/object" "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard" objectSDK "github.com/nspcc-dev/neofs-sdk-go/object" "go.uber.org/zap" ) // PutPrm groups the parameters of Put operation. type PutPrm struct { obj *objectSDK.Object } // PutRes groups the resulting values of Put operation. type PutRes struct{} var errPutShard = errors.New("could not put object to any shard") // WithObject is a Put option to set object to save. // // Option is required. func (p *PutPrm) WithObject(obj *objectSDK.Object) { if p != nil { p.obj = obj } } // Put saves the object to local storage. // // Returns any error encountered that // did not allow to completely save the object. // // Returns an error if executions are blocked (see BlockExecution). // // Returns an error of type apistatus.ObjectAlreadyRemoved if the object has been marked as removed. func (e *StorageEngine) Put(prm PutPrm) (res PutRes, err error) { err = e.execIfNotBlocked(func() error { res, err = e.put(prm) return err }) return } func (e *StorageEngine) put(prm PutPrm) (PutRes, error) { if e.metrics != nil { defer elapsed(e.metrics.AddPutDuration)() } addr := object.AddressOf(prm.obj) // In #1146 this check was parallelized, however, it became // much slower on fast machines for 4 shards. _, err := e.exists(addr) if err != nil { return PutRes{}, err } var existPrm shard.ExistsPrm existPrm.WithAddress(addr) finished := false e.iterateOverSortedShards(addr, func(ind int, sh hashedShard) (stop bool) { e.mtx.RLock() pool := e.shardPools[sh.ID().String()] e.mtx.RUnlock() exitCh := make(chan struct{}) if err := pool.Submit(func() { defer close(exitCh) exists, err := sh.Exists(existPrm) if err != nil { return // this is not ErrAlreadyRemoved error so we can go to the next shard } if exists.Exists() { if ind != 0 { var toMoveItPrm shard.ToMoveItPrm toMoveItPrm.WithAddress(addr) _, err = sh.ToMoveIt(toMoveItPrm) if err != nil { e.log.Warn("could not mark object for shard relocation", zap.Stringer("shard", sh.ID()), zap.String("error", err.Error()), ) } } finished = true return } var putPrm shard.PutPrm putPrm.WithObject(prm.obj) _, err = sh.Put(putPrm) if err != nil { e.log.Warn("could not put object in shard", zap.Stringer("shard", sh.ID()), zap.String("error", err.Error()), ) return } finished = true }); err != nil { close(exitCh) } <-exitCh return finished }) if !finished { err = errPutShard } return PutRes{}, err } // Put writes provided object to local storage. func Put(storage *StorageEngine, obj *objectSDK.Object) error { var putPrm PutPrm putPrm.WithObject(obj) _, err := storage.Put(putPrm) return err }