package getsvc import ( "context" "errors" "git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs" apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status" objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object" oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id" "go.uber.org/zap" ) func (r *request) assemble(ctx context.Context) { if !r.canAssemble() { r.log.Debug(logs.GetCanNotAssembleTheObject) return } // Any access tokens are not expected to be used in the assembly process: // - there is no requirement to specify child objects in session/bearer // token for `GET`/`GETRANGE`/`RANGEHASH` requests in the API protocol, // and, therefore, their missing in the original request should not be // considered as error; on the other hand, without session for every child // object, it is impossible to attach bearer token in the new generated // requests correctly because the token has not been issued for that node's // key; // - the assembly process is expected to be handled on a container node // only since the requests forwarding mechanism presentation; such the // node should have enough rights for getting any child object by design. r.prm.common.ForgetTokens() // Do not use forwarding during assembly stage. // Request forwarding closure inherited in produced // `execCtx` so it should be disabled there. r.disableForwarding() r.log.Debug(logs.GetTryingToAssembleTheObject) assembler := newAssembler(r.address(), r.splitInfo(), r.ctxRange(), r) r.log.Debug(logs.GetAssemblingSplittedObject, zap.Stringer("address", r.address()), zap.Uint64("range_offset", r.ctxRange().GetOffset()), zap.Uint64("range_length", r.ctxRange().GetLength()), ) defer r.log.Debug(logs.GetAssemblingSplittedObjectCompleted, zap.Stringer("address", r.address()), zap.Uint64("range_offset", r.ctxRange().GetOffset()), zap.Uint64("range_length", r.ctxRange().GetLength()), ) obj, err := assembler.Assemble(ctx, r.prm.objWriter) if err != nil { r.log.Warn(logs.GetFailedToAssembleSplittedObject, zap.Error(err), zap.Stringer("address", r.address()), zap.Uint64("range_offset", r.ctxRange().GetOffset()), zap.Uint64("range_length", r.ctxRange().GetLength()), ) } var errSplitInfo *objectSDK.SplitInfoError var errRemovedRemote *apistatus.ObjectAlreadyRemoved var errOutOfRangeRemote *apistatus.ObjectOutOfRange var errRemovedLocal apistatus.ObjectAlreadyRemoved var errOutOfRangeLocal apistatus.ObjectOutOfRange switch { default: r.status = statusUndefined r.err = err case err == nil: r.status = statusOK r.err = nil r.collectedObject = obj case errors.As(err, &errRemovedRemote): r.status = statusINHUMED r.err = errRemovedRemote case errors.As(err, &errRemovedLocal): r.status = statusINHUMED r.err = errRemovedLocal case errors.As(err, &errSplitInfo): r.status = statusVIRTUAL r.err = errSplitInfo case errors.As(err, &errOutOfRangeRemote): r.status = statusOutOfRange r.err = errOutOfRangeRemote case errors.As(err, &errOutOfRangeLocal): r.status = statusOutOfRange r.err = errOutOfRangeLocal } } func equalAddresses(a, b oid.Address) bool { return a.Container().Equals(b.Container()) && a.Object().Equals(b.Object()) } func (r *request) HeadObject(ctx context.Context, id oid.ID) (*objectSDK.Object, error) { w := NewSimpleObjectWriter() p := RequestParameters{} p.common = p.common.WithLocalOnly(false) p.addr.SetContainer(r.containerID()) p.addr.SetObject(id) p.head = true p.SetHeaderWriter(w) if err := r.getObjectWithIndependentRequest(ctx, p); err != nil { return nil, err } return w.Object(), nil } func (r *request) GetObject(ctx context.Context, id oid.ID, rng *objectSDK.Range) (*objectSDK.Object, error) { w := NewSimpleObjectWriter() p := r.prm p.common = p.common.WithLocalOnly(false) p.objWriter = w p.rng = rng p.addr.SetContainer(r.containerID()) p.addr.SetObject(id) if err := r.getObjectWithIndependentRequest(ctx, p); err != nil { return nil, err } return w.Object(), nil } func (r *request) getObjectWithIndependentRequest(ctx context.Context, prm RequestParameters) error { detachedExecutor := &request{ keyStore: r.keyStore, traverserGenerator: r.traverserGenerator, remoteStorageConstructor: r.remoteStorageConstructor, epochSource: r.epochSource, localStorage: r.localStorage, prm: prm, infoSplit: objectSDK.NewSplitInfo(), log: r.log, } detachedExecutor.execute(ctx) return detachedExecutor.statusError.err }