syncthing/internal/db/truncated.go
Jakob Borg 32425c5561 MPLv2
2015-03-17 16:02:27 +01:00

42 lines
934 B
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/syncthing/protocol"
type FileInfoTruncated struct {
protocol.FileInfo
ActualSize int64
}
func ToTruncated(file protocol.FileInfo) FileInfoTruncated {
t := FileInfoTruncated{
FileInfo: file,
ActualSize: file.Size(),
}
t.FileInfo.Blocks = nil
return t
}
func (f *FileInfoTruncated) UnmarshalXDR(bs []byte) error {
err := f.FileInfo.UnmarshalXDR(bs)
f.ActualSize = f.FileInfo.Size()
f.FileInfo.Blocks = nil
return err
}
func (f FileInfoTruncated) Size() int64 {
return f.ActualSize
}
func BlocksToSize(num int) int64 {
if num < 2 {
return protocol.BlockSize / 2
}
return int64(num-1)*protocol.BlockSize + protocol.BlockSize/2
}