package engine import ( "errors" "github.com/nspcc-dev/neofs-node/pkg/core/object" "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/shard" "go.uber.org/zap" ) // PutPrm groups the parameters of Put operation. type PutPrm struct { obj *object.Object } // PutRes groups 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 *object.Object) *PutPrm { if p != nil { p.obj = obj } return p } // 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). 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)() } _, err := e.exists(prm.obj.Address()) // todo: make this check parallel if err != nil { return nil, err } existPrm := new(shard.ExistsPrm) existPrm.WithAddress(prm.obj.Address()) finished := false e.iterateOverSortedShards(prm.obj.Address(), func(ind int, s *shard.Shard) (stop bool) { e.mtx.RLock() pool := e.shardPools[s.ID().String()] e.mtx.RUnlock() exitCh := make(chan struct{}) if err := pool.Submit(func() { defer close(exitCh) exists, err := s.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 { toMoveItPrm := new(shard.ToMoveItPrm) toMoveItPrm.WithAddress(prm.obj.Address()) _, err = s.ToMoveIt(toMoveItPrm) if err != nil { e.log.Warn("could not mark object for shard relocation", zap.Stringer("shard", s.ID()), zap.String("error", err.Error()), ) } } finished = true return } putPrm := new(shard.PutPrm) putPrm.WithObject(prm.obj) _, err = s.Put(putPrm) if err != nil { e.log.Warn("could not put object in shard", zap.Stringer("shard", s.ID()), zap.String("error", err.Error()), ) return } finished = true }); err != nil { // TODO: log errors except ErrOverload when errors of util.WorkerPool will be documented close(exitCh) } <-exitCh return finished }) if !finished { err = errPutShard } return nil, err } // Put writes provided object to local storage. func Put(storage *StorageEngine, obj *object.Object) error { _, err := storage.Put(new(PutPrm). WithObject(obj), ) return err }