seaweedfs/unmaintained/see_dat/see_dat.go
2019-01-16 17:48:59 +08:00

45 lines
1.2 KiB
Go

package main
import (
"flag"
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/storage"
)
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 storage.Version
}
func (scanner *VolumeFileScanner4SeeDat) VisitSuperBlock(superBlock storage.SuperBlock) error {
scanner.version = superBlock.Version()
return nil
}
func (scanner *VolumeFileScanner4SeeDat) ReadNeedleBody() bool {
return false
}
func (scanner *VolumeFileScanner4SeeDat) VisitNeedle(n *storage.Needle, offset int64) error {
glog.V(0).Infof("%d,%s%x offset %d size %d cookie %x", *volumeId, n.Id, n.Cookie, offset, n.Size, n.Cookie)
return nil
}
func main() {
flag.Parse()
vid := storage.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)
}
}