syncthing/lib/db/truncated.go
2016-02-02 12:44:33 +01:00

53 lines
1.3 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 http://mozilla.org/MPL/2.0/.
package db
import (
"github.com/calmh/xdr"
"github.com/syncthing/syncthing/lib/protocol"
)
type FileInfoTruncated struct {
protocol.FileInfo
}
func (o *FileInfoTruncated) UnmarshalXDR(bs []byte) error {
return o.UnmarshalXDRFrom(&xdr.Unmarshaller{Data: bs})
}
func (o *FileInfoTruncated) UnmarshalXDRFrom(u *xdr.Unmarshaller) error {
o.Name = u.UnmarshalStringMax(8192)
o.Flags = u.UnmarshalUint32()
o.Modified = int64(u.UnmarshalUint64())
(&o.Version).UnmarshalXDRFrom(u)
o.LocalVersion = int64(u.UnmarshalUint64())
_BlocksSize := int(u.UnmarshalUint32())
if _BlocksSize < 0 {
return xdr.ElementSizeExceeded("Blocks", _BlocksSize, 1000000)
} else if _BlocksSize == 0 {
o.Blocks = nil
} else {
if _BlocksSize > 1000000 {
return xdr.ElementSizeExceeded("Blocks", _BlocksSize, 1000000)
}
for i := 0; i < _BlocksSize; i++ {
size := int64(u.UnmarshalUint32())
o.CachedSize += size
u.UnmarshalBytes()
}
}
return u.Error
}
func BlocksToSize(num int) int64 {
if num < 2 {
return protocol.BlockSize / 2
}
return int64(num-1)*protocol.BlockSize + protocol.BlockSize/2
}