seaweedfs/weed/filer/meta_replay.go

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2020-09-01 07:21:19 +00:00
package filer
import (
"context"
"github.com/seaweedfs/seaweedfs/weed/glog"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
"github.com/seaweedfs/seaweedfs/weed/util"
)
func Replay(filerStore FilerStore, resp *filer_pb.SubscribeMetadataResponse) error {
message := resp.EventNotification
var oldPath util.FullPath
var newEntry *Entry
if message.OldEntry != nil {
oldPath = util.NewFullPath(resp.Directory, message.OldEntry.Name)
glog.V(4).Infof("deleting %v", oldPath)
if err := filerStore.DeleteEntry(context.Background(), oldPath); err != nil {
return err
}
}
if message.NewEntry != nil {
dir := resp.Directory
if message.NewParentPath != "" {
dir = message.NewParentPath
}
key := util.NewFullPath(dir, message.NewEntry.Name)
glog.V(4).Infof("creating %v", key)
newEntry = FromPbEntry(dir, message.NewEntry)
if err := filerStore.InsertEntry(context.Background(), newEntry); err != nil {
return err
}
}
return nil
}