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70 lines
1.4 KiB
70 lines
1.4 KiB
package main
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import (
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"flag"
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"fmt"
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"io"
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"log"
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"os"
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"google.golang.org/protobuf/proto"
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"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
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"github.com/seaweedfs/seaweedfs/weed/util"
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util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
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)
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var (
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metaFile = flag.String("meta", "", "meta file generated via fs.meta.save")
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)
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func main() {
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flag.Parse()
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util_http.InitGlobalHttpClient()
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dst, err := os.OpenFile(*metaFile, os.O_RDONLY, 0644)
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if err != nil {
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log.Fatalf("failed to open %s: %v", *metaFile, err)
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}
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defer dst.Close()
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err = walkMetaFile(dst)
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if err != nil {
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log.Fatalf("failed to visit %s: %v", *metaFile, err)
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}
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}
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func walkMetaFile(dst *os.File) error {
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sizeBuf := make([]byte, 4)
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for {
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if n, err := dst.Read(sizeBuf); n != 4 {
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if err == io.EOF {
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return nil
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}
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return err
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}
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size := util.BytesToUint32(sizeBuf)
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data := make([]byte, int(size))
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if n, err := dst.Read(data); n != len(data) {
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return err
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}
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fullEntry := &filer_pb.FullEntry{}
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if err := proto.Unmarshal(data, fullEntry); err != nil {
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return err
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}
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fmt.Fprintf(os.Stdout, "file %s %v\n", util.FullPath(fullEntry.Dir).Child(fullEntry.Entry.Name), fullEntry.Entry.Attributes.String())
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for i, chunk := range fullEntry.Entry.GetChunks() {
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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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}
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}
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}
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