forked from cznic/kv
/
verify.go
81 lines (67 loc) · 1.19 KB
/
verify.go
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// Copyright 2014 The kv Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package kv
import (
"io"
"io/ioutil"
"os"
"github.com/cznic/exp/lldb"
)
func verifyAllocator(a *lldb.Allocator) error {
bits, err := ioutil.TempFile("", "kv-verify-")
if err != nil {
return err
}
defer func() {
nm := bits.Name()
bits.Close()
os.Remove(nm)
}()
var lerr error
if err = a.Verify(
lldb.NewSimpleFileFiler(bits),
func(err error) bool {
lerr = err
return false
},
nil,
); err != nil {
return err
}
if lerr != nil {
return lerr
}
t, err := lldb.OpenBTree(a, nil, 1)
if err != nil {
return err
}
e, err := t.SeekFirst()
if err != nil {
if err == io.EOF {
err = nil
}
return err
}
for {
_, _, err := e.Next()
if err != nil {
if err == io.EOF {
err = nil
}
return err
}
}
}
func verifyDbFile(fn string) error {
f, err := os.Open(fn) // O_RDONLY
if err != nil {
return err
}
defer f.Close()
a, err := lldb.NewAllocator(lldb.NewInnerFiler(lldb.NewSimpleFileFiler(f), 16), &lldb.Options{})
if err != nil {
return err
}
return verifyAllocator(a)
}