1 files changed, 0 insertions, 68 deletions
diff --git a/weed/filesys/meta_cache/meta_cache_subscribe.go b/weed/filesys/meta_cache/meta_cache_subscribe.go
deleted file mode 100644
index 881fee08f..000000000
--- a/weed/filesys/meta_cache/meta_cache_subscribe.go
+++ /dev/null
@@ -1,68 +0,0 @@
-package meta_cache
-
-import (
-	"context"
-	"github.com/chrislusf/seaweedfs/weed/filer"
-	"github.com/chrislusf/seaweedfs/weed/glog"
-	"github.com/chrislusf/seaweedfs/weed/pb"
-	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
-	"github.com/chrislusf/seaweedfs/weed/util"
-)
-
-func SubscribeMetaEvents(mc *MetaCache, selfSignature int32, client filer_pb.FilerClient, dir string, lastTsNs int64) error {
-
-	processEventFn := func(resp *filer_pb.SubscribeMetadataResponse) error {
-		message := resp.EventNotification
-
-		for _, sig := range message.Signatures {
-			if sig == selfSignature && selfSignature != 0 {
-				return nil
-			}
-		}
-
-		dir := resp.Directory
-		var oldPath util.FullPath
-		var newEntry *filer.Entry
-		if message.OldEntry != nil {
-			oldPath = util.NewFullPath(dir, message.OldEntry.Name)
-			glog.V(4).Infof("deleting %v", oldPath)
-		}
-
-		if message.NewEntry != nil {
-			if message.NewParentPath != "" {
-				dir = message.NewParentPath
-			}
-			key := util.NewFullPath(dir, message.NewEntry.Name)
-			glog.V(4).Infof("creating %v", key)
-			newEntry = filer.FromPbEntry(dir, message.NewEntry)
-		}
-		err := mc.AtomicUpdateEntryFromFiler(context.Background(), oldPath, newEntry)
-		if err == nil {
-			if message.OldEntry != nil && message.NewEntry != nil {
-				oldKey := util.NewFullPath(resp.Directory, message.OldEntry.Name)
-				mc.invalidateFunc(oldKey, message.OldEntry)
-				if message.OldEntry.Name != message.NewEntry.Name {
-					newKey := util.NewFullPath(dir, message.NewEntry.Name)
-					mc.invalidateFunc(newKey, message.NewEntry)
-				}
-			} else if message.OldEntry == nil && message.NewEntry != nil {
-				// no need to invaalidate
-			} else if message.OldEntry != nil && message.NewEntry == nil {
-				oldKey := util.NewFullPath(resp.Directory, message.OldEntry.Name)
-				mc.invalidateFunc(oldKey, message.OldEntry)
-			}
-		}
-
-		return err
-
-	}
-
-	util.RetryForever("followMetaUpdates", func() error {
-		return pb.WithFilerClientFollowMetadata(client, "mount", selfSignature, dir, &lastTsNs, selfSignature, processEventFn, true)
-	}, func(err error) bool {
-		glog.Errorf("follow metadata updates: %v", err)
-		return true
-	})
-
-	return nil
-}