package main import ( "flag" "time" "github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/storage" "github.com/chrislusf/seaweedfs/weed/storage/needle" ) var ( volumePath = flag.String("dir", "/tmp", "data directory to store files") volumeCollection = flag.String("collection", "", "the volume collection name") volumeId = flag.Int("volumeId", -1, "a volume id. The volume should already exist in the dir. The volume index file should not exist.") ) type VolumeFileScanner4SeeDat struct { version needle.Version } func (scanner *VolumeFileScanner4SeeDat) VisitSuperBlock(superBlock storage.SuperBlock) error { scanner.version = superBlock.Version() return nil } func (scanner *VolumeFileScanner4SeeDat) ReadNeedleBody() bool { return true } func (scanner *VolumeFileScanner4SeeDat) VisitNeedle(n *needle.Needle, offset int64, needleHeader, needleBody []byte) error { t := time.Unix(int64(n.AppendAtNs)/int64(time.Second), int64(n.AppendAtNs)%int64(time.Second)) glog.V(0).Infof("%d,%s%x offset %d size %d cookie %x appendedAt %v", *volumeId, n.Id, n.Cookie, offset, n.Size, n.Cookie, t) return nil } func main() { flag.Parse() vid := needle.VolumeId(*volumeId) scanner := &VolumeFileScanner4SeeDat{} err := storage.ScanVolumeFile(*volumePath, *volumeCollection, vid, storage.NeedleMapInMemory, scanner) if err != nil { glog.Fatalf("Reading Volume File [ERROR] %s\n", err) } }