mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-12-15 11:09:06 +08:00
69 lines
1.3 KiB
Go
69 lines
1.3 KiB
Go
package main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"io"
|
|
"log"
|
|
"os"
|
|
|
|
"github.com/golang/protobuf/proto"
|
|
|
|
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
|
|
"github.com/chrislusf/seaweedfs/weed/util"
|
|
)
|
|
|
|
var (
|
|
metaFile = flag.String("meta", "", "meta file generated via fs.meta.save")
|
|
)
|
|
|
|
func main() {
|
|
flag.Parse()
|
|
|
|
dst, err := os.OpenFile(*metaFile, os.O_RDONLY, 0644)
|
|
if err != nil {
|
|
log.Fatalf("failed to open %s: %v", *metaFile, err)
|
|
}
|
|
defer dst.Close()
|
|
|
|
err = walkMetaFile(dst)
|
|
if err != nil {
|
|
log.Fatalf("failed to visit %s: %v", *metaFile, err)
|
|
}
|
|
|
|
}
|
|
|
|
func walkMetaFile(dst *os.File) error {
|
|
|
|
sizeBuf := make([]byte, 4)
|
|
|
|
for {
|
|
if n, err := dst.Read(sizeBuf); n != 4 {
|
|
if err == io.EOF {
|
|
return nil
|
|
}
|
|
return err
|
|
}
|
|
|
|
size := util.BytesToUint32(sizeBuf)
|
|
|
|
data := make([]byte, int(size))
|
|
|
|
if n, err := dst.Read(data); n != len(data) {
|
|
return err
|
|
}
|
|
|
|
fullEntry := &filer_pb.FullEntry{}
|
|
if err := proto.Unmarshal(data, fullEntry); err != nil {
|
|
return err
|
|
}
|
|
|
|
fmt.Fprintf(os.Stdout, "file %s %v\n", util.FullPath(fullEntry.Dir).Child(fullEntry.Entry.Name), fullEntry.Entry.Attributes.String())
|
|
for i, chunk := range fullEntry.Entry.Chunks {
|
|
fmt.Fprintf(os.Stdout, " chunk: %d %v %d,%x%08x\n", i+1, chunk, chunk.Fid.VolumeId, chunk.Fid.FileKey, chunk.Fid.Cookie)
|
|
}
|
|
|
|
}
|
|
|
|
}
|