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package main
import (
"flag"
"fmt"
"io"
"log"
"os"
"google.golang.org/protobuf/proto"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
"github.com/seaweedfs/seaweedfs/weed/util"
util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
)
var (
metaFile = flag.String("meta", "", "meta file generated via fs.meta.save")
)
func main() {
flag.Parse()
util_http.InitGlobalHttpClient()
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.GetChunks() {
fmt.Fprintf(os.Stdout, " chunk: %d %v %d,%x%08x\n", i+1, chunk, chunk.Fid.VolumeId, chunk.Fid.FileKey, chunk.Fid.Cookie)
}
}
}
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