syncthing/lib/db/leveldb.go

64 lines
1.2 KiB
Go

// 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"
)
const dbVersion = 2
const (
KeyTypeDevice = iota
KeyTypeGlobal
KeyTypeBlock
KeyTypeDeviceStatistic
KeyTypeFolderStatistic
KeyTypeVirtualMtime
KeyTypeFolderIdx
KeyTypeDeviceIdx
KeyTypeIndexID
KeyTypeFolderMeta
KeyTypeMiscData
KeyTypeSequence
)
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
}
// Flush batches to disk when they contain this many records.
const batchFlushSize = 64