1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
// Copyright (C) 2014 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
package db
import (
"bytes"
"fmt"
"github.com/syncthing/syncthing/lib/protocol"
"github.com/syndtr/goleveldb/leveldb"
"github.com/syndtr/goleveldb/leveldb/opt"
)
const (
KeyTypeDevice = iota
KeyTypeGlobal
KeyTypeBlock
KeyTypeDeviceStatistic
KeyTypeFolderStatistic
KeyTypeVirtualMtime
KeyTypeFolderIdx
KeyTypeDeviceIdx
KeyTypeIndexID
KeyTypeFolderMeta
)
func (l VersionList) String() string {
var b bytes.Buffer
var id protocol.DeviceID
b.WriteString("{")
for i, v := range l.Versions {
if i > 0 {
b.WriteString(", ")
}
copy(id[:], v.Device)
fmt.Fprintf(&b, "{%v, %v}", v.Version, id)
}
b.WriteString("}")
return b.String()
}
type fileList []protocol.FileInfo
func (l fileList) Len() int {
return len(l)
}
func (l fileList) Swap(a, b int) {
l[a], l[b] = l[b], l[a]
}
func (l fileList) Less(a, b int) bool {
return l[a].Name < l[b].Name
}
type dbReader interface {
Get([]byte, *opt.ReadOptions) ([]byte, error)
}
// Flush batches to disk when they contain this many records.
const batchFlushSize = 64
func getFile(db dbReader, key []byte) (protocol.FileInfo, bool) {
bs, err := db.Get(key, nil)
if err == leveldb.ErrNotFound {
return protocol.FileInfo{}, false
}
if err != nil {
l.Debugln("surprise error:", err)
return protocol.FileInfo{}, false
}
var f protocol.FileInfo
err = f.Unmarshal(bs)
if err != nil {
l.Debugln("unmarshal error:", err)
return protocol.FileInfo{}, false
}
return f, true
}
|
