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adjust verification logic.

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1. log file name for easier debugging
2. remove unused version in readIndexEntryAtOffset()
3. if indexSize==0, the dataFile usually still has a super block of
size 8. So skipping this case.
This commit is contained in:
Chris Lu 2016-07-02 23:45:37 -07:00
parent 2fa2235fe3
commit 3713119ab9
1 changed files with 12 additions and 17 deletions
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29
weed/storage/volume.go
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@ -55,7 +55,7 @@ func verifyIndexFileIntegrity(indexFile *os.File) (indexSize int64, err error) {
}
return
}
func readIndexEntryAtOffset(indexFile *os.File, offset int64, v Version) (bytes []byte, err error) {
func readIndexEntryAtOffset(indexFile *os.File, offset int64) (bytes []byte, err error) {
if offset < 0 {
err = fmt.Errorf("offset %d for index file is invalid", offset)
return
@ -79,23 +79,18 @@ func volumeDataIntegrityChecking(v *Volume, indexFile *os.File) error {
var indexSize int64
var e error
if indexSize, e = verifyIndexFileIntegrity(indexFile); e != nil {
return fmt.Errorf("verifyIndexFileIntegrity failed: %v", e)
return fmt.Errorf("verifyIndexFileIntegrity %s failed: %v", indexFile.Name(), e)
}
if indexSize != 0 {
var lastIdxEntry []byte
if lastIdxEntry, e = readIndexEntryAtOffset(indexFile, indexSize-NeedleIndexSize, v.Version()); e != nil {
return fmt.Errorf("readLastIndexEntry failed: %v", e)
}
key, offset, size := idxFileEntry(lastIdxEntry)
if e = verifyNeedleIntegrity(v.dataFile, v.Version(), int64(offset)*NeedlePaddingSize, key, size); e != nil {
return fmt.Errorf("verifyNeedleIntegrity failed: %v", e)
}
} else {
if datSize, err := util.GetFileSize(v.dataFile); err == nil {
if datSize > 0 {
return fmt.Errorf("dat file size is %d, not empty while the index file is empty!", datSize)
}
}
if indexSize == 0 {
return nil
}
var lastIdxEntry []byte
if lastIdxEntry, e = readIndexEntryAtOffset(indexFile, indexSize-NeedleIndexSize); e != nil {
return fmt.Errorf("readLastIndexEntry %s failed: %v", indexFile.Name(), e)
}
key, offset, size := idxFileEntry(lastIdxEntry)
if e = verifyNeedleIntegrity(v.dataFile, v.Version(), int64(offset)*NeedlePaddingSize, key, size); e != nil {
return fmt.Errorf("verifyNeedleIntegrity %s failed: %v", indexFile.Name(), e)
}
return nil
}