diff --git a/cmd/frostfs-cli/internal/client/client.go b/cmd/frostfs-cli/internal/client/client.go index 851cf5ccc..ceae36ae7 100644 --- a/cmd/frostfs-cli/internal/client/client.go +++ b/cmd/frostfs-cli/internal/client/client.go @@ -83,6 +83,25 @@ func (x ListContainersRes) SortedIDList() []cid.ID { return list } +func ListContainersStream(ctx context.Context, prm ListContainersPrm, processCnr func(id cid.ID) bool) (err error) { + cliPrm := &client.PrmContainerListStream{ + XHeaders: prm.XHeaders, + OwnerID: prm.OwnerID, + Session: prm.Session, + } + rdr, err := prm.cli.ContainerListInit(ctx, *cliPrm) + if err != nil { + return fmt.Errorf("init container list: %w", err) + } + + err = rdr.Iterate(processCnr) + if err != nil { + return fmt.Errorf("read container list: %w", err) + } + + return +} + // PutContainerPrm groups parameters of PutContainer operation. type PutContainerPrm struct { Client *client.Client diff --git a/cmd/frostfs-cli/modules/container/list.go b/cmd/frostfs-cli/modules/container/list.go index f01e4db4d..bbb8da840 100644 --- a/cmd/frostfs-cli/modules/container/list.go +++ b/cmd/frostfs-cli/modules/container/list.go @@ -6,8 +6,11 @@ import ( "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/key" commonCmd "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common" containerSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container" + cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id" "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/user" "github.com/spf13/cobra" + "google.golang.org/grpc/codes" + "google.golang.org/grpc/status" ) // flags of list command. @@ -51,44 +54,60 @@ var listContainersCmd = &cobra.Command{ var prm internalclient.ListContainersPrm prm.SetClient(cli) - prm.Account = idUser - - res, err := internalclient.ListContainers(cmd.Context(), prm) - commonCmd.ExitOnErr(cmd, "rpc error: %w", err) - + prm.OwnerID = idUser prmGet := internalclient.GetContainerPrm{ Client: cli, } + var containerIDs []cid.ID + + err := internalclient.ListContainersStream(cmd.Context(), prm, func(id cid.ID) bool { + printContainer(cmd, prmGet, id) + return false + }) + if err == nil { + return + } + + if e, ok := status.FromError(err); ok && e.Code() == codes.Unimplemented { + res, err := internalclient.ListContainers(cmd.Context(), prm) + commonCmd.ExitOnErr(cmd, "rpc error: %w", err) + containerIDs = res.SortedIDList() + } else { + commonCmd.ExitOnErr(cmd, "rpc error: %w", err) + } - containerIDs := res.SortedIDList() for _, cnrID := range containerIDs { - if flagVarListName == "" && !flagVarListPrintAttr { - cmd.Println(cnrID.String()) - continue - } - - prmGet.ClientParams.ContainerID = &cnrID - res, err := internalclient.GetContainer(cmd.Context(), prmGet) - if err != nil { - cmd.Printf(" failed to read attributes: %v\n", err) - continue - } - - cnr := res.Container() - if cnrName := containerSDK.Name(cnr); flagVarListName != "" && cnrName != flagVarListName { - continue - } - cmd.Println(cnrID.String()) - - if flagVarListPrintAttr { - cnr.IterateUserAttributes(func(key, val string) { - cmd.Printf(" %s: %s\n", key, val) - }) - } + printContainer(cmd, prmGet, cnrID) } }, } +func printContainer(cmd *cobra.Command, prmGet internalclient.GetContainerPrm, id cid.ID) { + if flagVarListName == "" && !flagVarListPrintAttr { + cmd.Println(id.String()) + return + } + + prmGet.ClientParams.ContainerID = &id + res, err := internalclient.GetContainer(cmd.Context(), prmGet) + if err != nil { + cmd.Printf(" failed to read attributes: %v\n", err) + return + } + + cnr := res.Container() + if cnrName := containerSDK.Name(cnr); flagVarListName != "" && cnrName != flagVarListName { + return + } + cmd.Println(id.String()) + + if flagVarListPrintAttr { + cnr.IterateUserAttributes(func(key, val string) { + cmd.Printf(" %s: %s\n", key, val) + }) + } +} + func initContainerListContainersCmd() { commonflags.Init(listContainersCmd) diff --git a/cmd/frostfs-node/config.go b/cmd/frostfs-node/config.go index 6950c9e24..40be8f45f 100644 --- a/cmd/frostfs-node/config.go +++ b/cmd/frostfs-node/config.go @@ -606,9 +606,10 @@ type cfgAccounting struct { type cfgContainer struct { scriptHash neogoutil.Uint160 - parsers map[event.Type]event.NotificationParser - subscribers map[event.Type][]event.Handler - workerPool util.WorkerPool // pool for asynchronous handlers + parsers map[event.Type]event.NotificationParser + subscribers map[event.Type][]event.Handler + workerPool util.WorkerPool // pool for asynchronous handlers + containerBatchSize uint32 } type cfgFrostfsID struct { diff --git a/cmd/frostfs-node/config/container/container.go b/cmd/frostfs-node/config/container/container.go new file mode 100644 index 000000000..b0b8043d6 --- /dev/null +++ b/cmd/frostfs-node/config/container/container.go @@ -0,0 +1,27 @@ +package containerconfig + +import "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config" + +const ( + subsection = "container" + listStreamSubsection = "list_stream" + + // ContainerBatchSizeDefault represents he maximum amount of containers to send via stream at once. + ContainerBatchSizeDefault = 1000 +) + +// ContainerBatchSize returns the value of "batch_size" config parameter +// from "list_stream" subsection of "container" section. +// +// Returns ContainerBatchSizeDefault if the value is missing or if +// the value is not positive integer. +func ContainerBatchSize(c *config.Config) uint32 { + if c.Sub(subsection).Sub(listStreamSubsection).Value("batch_size") == nil { + return ContainerBatchSizeDefault + } + size := config.Uint32Safe(c.Sub(subsection).Sub(listStreamSubsection), "batch_size") + if size == 0 { + return ContainerBatchSizeDefault + } + return size +} diff --git a/cmd/frostfs-node/config/container/container_test.go b/cmd/frostfs-node/config/container/container_test.go new file mode 100644 index 000000000..1909c9ad1 --- /dev/null +++ b/cmd/frostfs-node/config/container/container_test.go @@ -0,0 +1,27 @@ +package containerconfig_test + +import ( + "testing" + + "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config" + containerconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/container" + configtest "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/test" + "github.com/stretchr/testify/require" +) + +func TestContainerSection(t *testing.T) { + t.Run("defaults", func(t *testing.T) { + empty := configtest.EmptyConfig() + require.Equal(t, uint32(containerconfig.ContainerBatchSizeDefault), containerconfig.ContainerBatchSize(empty)) + }) + + const path = "../../../../config/example/node" + fileConfigTest := func(c *config.Config) { + require.Equal(t, uint32(1000), containerconfig.ContainerBatchSize(c)) + } + + configtest.ForEachFileType(path, fileConfigTest) + t.Run("ENV", func(t *testing.T) { + configtest.ForEnvFileType(t, path, fileConfigTest) + }) +} diff --git a/cmd/frostfs-node/container.go b/cmd/frostfs-node/container.go index 7d558dacb..fb2550a03 100644 --- a/cmd/frostfs-node/container.go +++ b/cmd/frostfs-node/container.go @@ -5,6 +5,7 @@ import ( "context" "net" + containerconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/container" morphconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/morph" "git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs" "git.frostfs.info/TrueCloudLab/frostfs-node/internal/metrics" @@ -47,6 +48,7 @@ func initContainerService(_ context.Context, c *cfg) { } c.shared.frostfsidClient = frostfsIDSubjectProvider + c.cfgContainer.containerBatchSize = containerconfig.ContainerBatchSize(c.appCfg) defaultChainRouter := engine.NewDefaultChainRouterWithLocalOverrides( c.cfgObject.cfgAccessPolicyEngine.accessPolicyEngine.MorphRuleChainStorage(), @@ -56,7 +58,9 @@ func initContainerService(_ context.Context, c *cfg) { &c.key.PrivateKey, containerService.NewAPEServer(defaultChainRouter, cnrRdr, newCachedIRFetcher(createInnerRingFetcher(c)), c.netMapSource, c.shared.frostfsidClient, - containerService.NewExecutionService(containerMorph.NewExecutor(cnrRdr, cnrWrt), c.respSvc), + containerService.NewSplitterService( + c.cfgContainer.containerBatchSize, c.respSvc, + containerService.NewExecutionService(containerMorph.NewExecutor(cnrRdr, cnrWrt), c.respSvc)), ), ) service = containerService.NewAuditService(service, c.log, c.audit) diff --git a/config/example/node.env b/config/example/node.env index f470acf3e..154b733af 100644 --- a/config/example/node.env +++ b/config/example/node.env @@ -83,6 +83,9 @@ FROSTFS_POLICER_HEAD_TIMEOUT=15s FROSTFS_REPLICATOR_PUT_TIMEOUT=15s FROSTFS_REPLICATOR_POOL_SIZE=10 +# Container service section +FROSTFS_CONTAINER_LIST_STREAM_BATCH_SIZE=1000 + # Object service section FROSTFS_OBJECT_PUT_REMOTE_POOL_SIZE=100 FROSTFS_OBJECT_PUT_LOCAL_POOL_SIZE=200 diff --git a/config/example/node.json b/config/example/node.json index dba3bad8b..391c46500 100644 --- a/config/example/node.json +++ b/config/example/node.json @@ -124,6 +124,11 @@ "pool_size": 10, "put_timeout": "15s" }, + "container": { + "list_stream": { + "batch_size": "1000" + } + }, "object": { "delete": { "tombstone_lifetime": 10 diff --git a/config/example/node.yaml b/config/example/node.yaml index 8f9300b4a..b39c348d8 100644 --- a/config/example/node.yaml +++ b/config/example/node.yaml @@ -108,6 +108,10 @@ replicator: put_timeout: 15s # timeout for the Replicator PUT remote operation pool_size: 10 # maximum amount of concurrent replications +container: + list_stream: + batch_size: 1000 # container_batch_size is the maximum amount of containers to send via stream at once + object: delete: tombstone_lifetime: 10 # tombstone "local" lifetime in epochs diff --git a/go.mod b/go.mod index 6ac37d343..8f4053872 100644 --- a/go.mod +++ b/go.mod @@ -8,7 +8,7 @@ require ( git.frostfs.info/TrueCloudLab/frostfs-crypto v0.6.0 git.frostfs.info/TrueCloudLab/frostfs-locode-db v0.4.1-0.20240710074952-65761deb5c0d git.frostfs.info/TrueCloudLab/frostfs-observability v0.0.0-20241112082307-f17779933e88 - git.frostfs.info/TrueCloudLab/frostfs-sdk-go v0.0.0-20241206094944-81c423e7094d + git.frostfs.info/TrueCloudLab/frostfs-sdk-go v0.0.0-20241210104938-c4463df8d467 git.frostfs.info/TrueCloudLab/hrw v1.2.1 git.frostfs.info/TrueCloudLab/multinet v0.0.0-20241015075604-6cb0d80e0972 git.frostfs.info/TrueCloudLab/policy-engine v0.0.0-20240814080254-96225afacb88 diff --git a/go.sum b/go.sum index e084c2445..d63396202 100644 Binary files a/go.sum and b/go.sum differ diff --git a/pkg/network/transport/container/grpc/service.go b/pkg/network/transport/container/grpc/service.go index 49d083a90..8cbf8d9c3 100644 --- a/pkg/network/transport/container/grpc/service.go +++ b/pkg/network/transport/container/grpc/service.go @@ -80,3 +80,26 @@ func (s *Server) List(ctx context.Context, req *containerGRPC.ListRequest) (*con return resp.ToGRPCMessage().(*containerGRPC.ListResponse), nil } + +type containerStreamerV2 struct { + containerGRPC.ContainerService_ListStreamServer +} + +func (s *containerStreamerV2) Send(resp *container.ListStreamResponse) error { + return s.ContainerService_ListStreamServer.Send( + resp.ToGRPCMessage().(*containerGRPC.ListStreamResponse), + ) +} + +// ListStream converts gRPC ListRequest message and server-side stream and overtakes its data +// to gRPC stream. +func (s *Server) ListStream(req *containerGRPC.ListStreamRequest, gStream containerGRPC.ContainerService_ListStreamServer) error { + listReq := new(container.ListStreamRequest) + if err := listReq.FromGRPCMessage(req); err != nil { + return err + } + + return s.srv.ListStream(listReq, &containerStreamerV2{ + ContainerService_ListStreamServer: gStream, + }) +} diff --git a/pkg/services/container/ape.go b/pkg/services/container/ape.go index 2cdb30b45..493452fa6 100644 --- a/pkg/services/container/ape.go +++ b/pkg/services/container/ape.go @@ -175,6 +175,79 @@ func (ac *apeChecker) List(ctx context.Context, req *container.ListRequest) (*co return nil, apeErr(nativeschema.MethodListContainers, s) } +func (ac *apeChecker) ListStream(req *container.ListStreamRequest, stream ListStream) error { + ctx, span := tracing.StartSpanFromContext(stream.Context(), "apeChecker.ListStream") + defer span.End() + + role, pk, err := ac.getRoleWithoutContainerID(req.GetBody().GetOwnerID(), req.GetMetaHeader(), req.GetVerificationHeader()) + if err != nil { + return err + } + + reqProps := map[string]string{ + nativeschema.PropertyKeyActorPublicKey: hex.EncodeToString(pk.Bytes()), + nativeschema.PropertyKeyActorRole: role, + } + + reqProps, err = ac.fillWithUserClaimTags(reqProps, pk) + if err != nil { + return err + } + if p, ok := peer.FromContext(ctx); ok { + if tcpAddr, ok := p.Addr.(*net.TCPAddr); ok { + reqProps[commonschema.PropertyKeyFrostFSSourceIP] = tcpAddr.IP.String() + } + } + + namespace, err := ac.namespaceByOwner(req.GetBody().GetOwnerID()) + if err != nil { + return fmt.Errorf("could not get owner namespace: %w", err) + } + if err := ac.validateNamespaceByPublicKey(pk, namespace); err != nil { + return err + } + + request := aperequest.NewRequest( + nativeschema.MethodListContainers, + aperequest.NewResource( + resourceName(namespace, ""), + make(map[string]string), + ), + reqProps, + ) + + groups, err := aperequest.Groups(ac.frostFSIDClient, pk) + if err != nil { + return fmt.Errorf("failed to get group ids: %w", err) + } + + // Policy contract keeps group related chains as namespace-group pair. + for i := range groups { + groups[i] = fmt.Sprintf("%s:%s", namespace, groups[i]) + } + + rt := policyengine.NewRequestTargetWithNamespace(namespace) + rt.User = &policyengine.Target{ + Type: policyengine.User, + Name: fmt.Sprintf("%s:%s", namespace, pk.Address()), + } + rt.Groups = make([]policyengine.Target, len(groups)) + for i := range groups { + rt.Groups[i] = policyengine.GroupTarget(groups[i]) + } + + s, found, err := ac.router.IsAllowed(apechain.Ingress, rt, request) + if err != nil { + return err + } + + if found && s == apechain.Allow { + return ac.next.ListStream(req, stream) + } + + return apeErr(nativeschema.MethodListContainers, s) +} + func (ac *apeChecker) Put(ctx context.Context, req *container.PutRequest) (*container.PutResponse, error) { ctx, span := tracing.StartSpanFromContext(ctx, "apeChecker.Put") defer span.End() diff --git a/pkg/services/container/ape_test.go b/pkg/services/container/ape_test.go index b6b42a559..513ffff02 100644 --- a/pkg/services/container/ape_test.go +++ b/pkg/services/container/ape_test.go @@ -1079,6 +1079,11 @@ func (s *srvStub) List(context.Context, *container.ListRequest) (*container.List return &container.ListResponse{}, nil } +func (s *srvStub) ListStream(*container.ListStreamRequest, ListStream) error { + s.calls["ListStream"]++ + return nil +} + func (s *srvStub) Put(context.Context, *container.PutRequest) (*container.PutResponse, error) { s.calls["Put"]++ return &container.PutResponse{}, nil diff --git a/pkg/services/container/audit.go b/pkg/services/container/audit.go index 411eb4863..b235efa3c 100644 --- a/pkg/services/container/audit.go +++ b/pkg/services/container/audit.go @@ -63,6 +63,17 @@ func (a *auditService) List(ctx context.Context, req *container.ListRequest) (*c return res, err } +// ListStream implements Server. +func (a *auditService) ListStream(req *container.ListStreamRequest, stream ListStream) error { + err := a.next.ListStream(req, stream) + if !a.enabled.Load() { + return err + } + audit.LogRequest(stream.Context(), a.log, container_grpc.ContainerService_ListStream_FullMethodName, req, + audit.TargetFromRef(req.GetBody().GetOwnerID(), &user.ID{}), err == nil) + return err +} + // Put implements Server. func (a *auditService) Put(ctx context.Context, req *container.PutRequest) (*container.PutResponse, error) { res, err := a.next.Put(ctx, req) diff --git a/pkg/services/container/executor.go b/pkg/services/container/executor.go index 70234d3de..cdd0d2514 100644 --- a/pkg/services/container/executor.go +++ b/pkg/services/container/executor.go @@ -14,6 +14,7 @@ type ServiceExecutor interface { Delete(context.Context, *session.Token, *container.DeleteRequestBody) (*container.DeleteResponseBody, error) Get(context.Context, *container.GetRequestBody) (*container.GetResponseBody, error) List(context.Context, *container.ListRequestBody) (*container.ListResponseBody, error) + ListStream(context.Context, *container.ListStreamRequest, ListStream) error } type executorSvc struct { @@ -93,3 +94,11 @@ func (s *executorSvc) List(ctx context.Context, req *container.ListRequest) (*co s.respSvc.SetMeta(resp) return resp, nil } + +func (s *executorSvc) ListStream(req *container.ListStreamRequest, stream ListStream) error { + err := s.exec.ListStream(stream.Context(), req, stream) + if err != nil { + return fmt.Errorf("could not execute ListStream request: %w", err) + } + return nil +} diff --git a/pkg/services/container/morph/executor.go b/pkg/services/container/morph/executor.go index 211f469f3..e9d1606f1 100644 --- a/pkg/services/container/morph/executor.go +++ b/pkg/services/container/morph/executor.go @@ -200,3 +200,35 @@ func (s *morphExecutor) List(_ context.Context, body *container.ListRequestBody) return res, nil } + +func (s *morphExecutor) ListStream(_ context.Context, req *container.ListStreamRequest, stream containerSvc.ListStream) error { + body := req.GetBody() + idV2 := body.GetOwnerID() + if idV2 == nil { + return errMissingUserID + } + + var id user.ID + + err := id.ReadFromV2(*idV2) + if err != nil { + return fmt.Errorf("invalid user ID: %w", err) + } + + cnrs, err := s.rdr.ContainersOf(&id) + if err != nil { + return err + } + + cidList := make([]refs.ContainerID, len(cnrs)) + for i := range cnrs { + cnrs[i].WriteToV2(&cidList[i]) + } + + resBody := new(container.ListStreamResponseBody) + resBody.SetContainerIDs(cidList) + r := new(container.ListStreamResponse) + r.SetBody(resBody) + + return stream.Send(r) +} diff --git a/pkg/services/container/server.go b/pkg/services/container/server.go index 78fd3d34c..d9208077d 100644 --- a/pkg/services/container/server.go +++ b/pkg/services/container/server.go @@ -3,6 +3,7 @@ package container import ( "context" + "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/util" "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/container" ) @@ -12,4 +13,11 @@ type Server interface { Get(context.Context, *container.GetRequest) (*container.GetResponse, error) Delete(context.Context, *container.DeleteRequest) (*container.DeleteResponse, error) List(context.Context, *container.ListRequest) (*container.ListResponse, error) + ListStream(*container.ListStreamRequest, ListStream) error +} + +// ListStream is an interface of FrostFS API v2 compatible search streamer. +type ListStream interface { + util.ServerStream + Send(*container.ListStreamResponse) error } diff --git a/pkg/services/container/sign.go b/pkg/services/container/sign.go index c478c0e1c..85fe7ae87 100644 --- a/pkg/services/container/sign.go +++ b/pkg/services/container/sign.go @@ -56,3 +56,40 @@ func (s *signService) List(ctx context.Context, req *container.ListRequest) (*co resp, err := util.EnsureNonNilResponse(s.svc.List(ctx, req)) return resp, s.sigSvc.SignResponse(resp, err) } + +func (s *signService) ListStream(req *container.ListStreamRequest, stream ListStream) error { + if err := s.sigSvc.VerifyRequest(req); err != nil { + resp := new(container.ListStreamResponse) + _ = s.sigSvc.SignResponse(resp, err) + return stream.Send(resp) + } + + ss := &listStreamSigner{ + ListStream: stream, + sigSvc: s.sigSvc, + } + err := s.svc.ListStream(req, ss) + if err != nil || !ss.nonEmptyResp { + return ss.send(new(container.ListStreamResponse), err) + } + return nil +} + +type listStreamSigner struct { + ListStream + sigSvc *util.SignService + + nonEmptyResp bool // set on first Send call +} + +func (s *listStreamSigner) Send(resp *container.ListStreamResponse) error { + s.nonEmptyResp = true + return s.send(resp, nil) +} + +func (s *listStreamSigner) send(resp *container.ListStreamResponse, err error) error { + if err := s.sigSvc.SignResponse(resp, err); err != nil { + return err + } + return s.ListStream.Send(resp) +} diff --git a/pkg/services/container/transport_splitter.go b/pkg/services/container/transport_splitter.go new file mode 100644 index 000000000..4f8708da7 --- /dev/null +++ b/pkg/services/container/transport_splitter.go @@ -0,0 +1,92 @@ +package container + +import ( + "context" + "fmt" + + "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/util" + "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/util/response" + "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/container" +) + +type ( + TransportSplitter struct { + next Server + + respSvc *response.Service + cnrAmount uint32 + } + + listStreamMsgSizeCtrl struct { + util.ServerStream + stream ListStream + respSvc *response.Service + cnrAmount uint32 + } +) + +func NewSplitterService(cnrAmount uint32, respSvc *response.Service, next Server) Server { + return &TransportSplitter{ + next: next, + respSvc: respSvc, + cnrAmount: cnrAmount, + } +} + +func (s *TransportSplitter) Put(ctx context.Context, req *container.PutRequest) (*container.PutResponse, error) { + return s.next.Put(ctx, req) +} + +func (s *TransportSplitter) Delete(ctx context.Context, req *container.DeleteRequest) (*container.DeleteResponse, error) { + return s.next.Delete(ctx, req) +} + +func (s *TransportSplitter) Get(ctx context.Context, req *container.GetRequest) (*container.GetResponse, error) { + return s.next.Get(ctx, req) +} + +func (s *TransportSplitter) List(ctx context.Context, req *container.ListRequest) (*container.ListResponse, error) { + return s.next.List(ctx, req) +} + +func (s *TransportSplitter) ListStream(req *container.ListStreamRequest, stream ListStream) error { + return s.next.ListStream(req, &listStreamMsgSizeCtrl{ + ServerStream: stream, + stream: stream, + respSvc: s.respSvc, + cnrAmount: s.cnrAmount, + }) +} + +func (s *listStreamMsgSizeCtrl) Send(resp *container.ListStreamResponse) error { + s.respSvc.SetMeta(resp) + body := resp.GetBody() + ids := body.GetContainerIDs() + + var newResp *container.ListStreamResponse + + for { + if newResp == nil { + newResp = new(container.ListStreamResponse) + newResp.SetBody(body) + } + + cut := min(s.cnrAmount, uint32(len(ids))) + + body.SetContainerIDs(ids[:cut]) + newResp.SetMetaHeader(resp.GetMetaHeader()) + newResp.SetVerificationHeader(resp.GetVerificationHeader()) + + if err := s.stream.Send(newResp); err != nil { + return fmt.Errorf("TransportSplitter: %w", err) + } + + ids = ids[cut:] + + if len(ids) == 0 { + break + } + } + + return nil +}