Stop syncing with clients after deletion

commonspace/headsync/headsync.go

@@ -11,9 +11,11 @@ import (
 	"github.com/anytypeio/any-sync/commonspace/spacestorage"
 	"github.com/anytypeio/any-sync/commonspace/spacesyncproto"
 	"github.com/anytypeio/any-sync/commonspace/syncstatus"
+	"github.com/anytypeio/any-sync/net/peer"
 	"github.com/anytypeio/any-sync/nodeconf"
 	"github.com/anytypeio/any-sync/util/periodicsync"
 	"go.uber.org/zap"
+	"golang.org/x/exp/slices"
 	"strings"
 	"sync/atomic"
 	"time"
@@ -43,6 +45,7 @@ type headSync struct {
 	diff           ldiff.Diff
 	log            logger.CtxLogger
 	syncer         DiffSyncer
+	configuration  nodeconf.Configuration
 	spaceIsDeleted *atomic.Bool
 
 	syncPeriod int
@@ -64,6 +67,7 @@ func NewHeadSync(
 	factory := spacesyncproto.ClientFactoryFunc(spacesyncproto.NewDRPCSpaceSyncClient)
 	syncer := newDiffSyncer(spaceId, diff, peerManager, cache, storage, factory, syncStatus, l)
 	sync := func(ctx context.Context) (err error) {
+		// for clients cancelling sync the sync process
 		if spaceIsDeleted.Load() && !configuration.IsResponsible(spaceId) {
 			return spacesyncproto.ErrSpaceIsDeleted
 		}
@@ -79,6 +83,7 @@ func NewHeadSync(
 		diff:           diff,
 		log:            log,
 		syncPeriod:     syncPeriod,
+		configuration:  configuration,
 		spaceIsDeleted: spaceIsDeleted,
 	}
 }
@@ -90,6 +95,16 @@ func (d *headSync) Init(objectIds []string, deletionState settingsstate.ObjectDe
 }
 
 func (d *headSync) HandleRangeRequest(ctx context.Context, req *spacesyncproto.HeadSyncRequest) (resp *spacesyncproto.HeadSyncResponse, err error) {
+	if d.spaceIsDeleted.Load() {
+		peerId, err := peer.CtxPeerId(ctx)
+		if err != nil {
+			return nil, err
+		}
+		// stop receiving all request for sync from clients
+		if !slices.Contains(d.configuration.NodeIds(d.spaceId), peerId) {
+			return nil, spacesyncproto.ErrSpaceIsDeleted
+		}
+	}
 	return HandleRangeRequest(ctx, d.diff, req)
 }