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Add CRC Checksum checks on reading values back

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This commit is contained in:
James Mills 2019-03-16 12:16:23 +10:00
parent 120e854444
commit 7a33c70b80
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GPG Key ID: AC4C014F1440EBD6
1 changed files with 6 additions and 0 deletions
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6
bitcask.go
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@ -2,6 +2,7 @@ package bitcask
import ( import (
"fmt" "fmt"
"hash/crc32"
"io" "io"
"io/ioutil" "io/ioutil"
"os" "os"
@ -61,6 +62,11 @@ func (b *Bitcask) Get(key string) ([]byte, error) {
return nil, err return nil, err
} }
crc := crc32.ChecksumIEEE(e.Value)
if crc != e.CRC {
return nil, fmt.Errorf("error: crc checksum falied %s %d != %d", key, e.CRC, crc)
}
return e.Value, nil return e.Value, nil
} }