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add locating data inside the ec files

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This commit is contained in:
Chris Lu
2019-05-19 03:01:58 -07:00
parent 87f63b9c08
commit 7c2c60c376
3 changed files with 205 additions and 32 deletions
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8
weed/storage/erasure_coding/ec_encoder.go
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@@ -34,10 +34,14 @@ func encodeData(file *os.File, enc reedsolomon.Encoder, startOffset, blockSize i
return nil
}
func openEcFiles(baseFileName string) (files []*os.File, err error){
func openEcFiles(baseFileName string, forRead bool) (files []*os.File, err error){
for i := 0; i< DataShardsCount+ParityShardsCount; i++{
fname := fmt.Sprintf("%s.ec%02d", baseFileName, i+1)
f, err := os.OpenFile(fname, os.O_TRUNC|os.O_CREATE|os.O_WRONLY, 0644)
openOption := os.O_TRUNC|os.O_CREATE|os.O_WRONLY
if forRead {
openOption = os.O_RDONLY
}
f, err := os.OpenFile(fname, openOption, 0644)
if err != nil {
return files, fmt.Errorf("failed to open file %s: %v", fname, err)
}