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opt: first generate car file #7

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Merged
simlecode merged 1 commit into from
Apr 28, 2025
Merged

opt: first generate car file #7

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17 changes: 11 additions & 6 deletions chunk.go
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Original file line number Diff line number Diff line change
Expand Up @@ -39,20 +39,25 @@ func (cc *commPCallback) OnSuccess(buf *Buffer, graphName, payloadCid, fsDetail
log.Infof("piece cid: %s, payload size: %d, size: %d ", cpRes.Root.String(), cpRes.PayloadSize, cpRes.Size)

buf.SeekStart()
carFileName := filepath.Join(cc.carDir, cpRes.Root.String())
if !cc.rename {
carFileName += ".car"
}
carFile, err := os.OpenFile(carFileName, os.O_RDWR|os.O_CREATE, 0o644)
carFilePath := filepath.Join(cc.carDir, cpRes.Root.String())
carFileNameWithSuffix := carFilePath + ".car"

carFile, err := os.OpenFile(carFileNameWithSuffix, os.O_RDWR|os.O_CREATE, 0o644)
if err != nil {
log.Fatalf("failed to create car file: %s", err)
}
defer carFile.Close()

if _, err = io.Copy(carFile, buf); err != nil {
log.Fatalf("failed to write car file: %s", err)
}
buf.Reset()
carFile.Close()

if cc.rename {
if err := os.Rename(carFileNameWithSuffix, carFilePath); err != nil {
log.Fatalf("failed to rename car file: %s", err)
}
}

// Add node inof to manifest.csv
manifestPath := path.Join(cc.carDir, "manifest.csv")
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