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Merge pull request #1357 from calmh/truncate-v3

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Simplify FileInfoTruncated
This commit is contained in:
Audrius Butkevicius 2015-02-19 10:04:53 +00:00
commit dc05275670
3 changed files with 15 additions and 164 deletions
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3
cmd/syncthing/gui.go
View File

@ -810,8 +810,7 @@ func toNeedSlice(fs []db.FileInfoTruncated) []map[string]interface{} {
"Modified": file.Modified,
"Version": file.Version,
"LocalVersion": file.LocalVersion,
"NumBlocks": file.NumBlocks,
"Size": db.BlocksToSize(int(file.NumBlocks)),
"Size": file.Size(),
}
}
return output

64
internal/db/truncated.go
View File

@ -13,69 +13,33 @@
// You should have received a copy of the GNU General Public License along
// with this program. If not, see <http://www.gnu.org/licenses/>.
//go:generate -command genxdr go run ../../Godeps/_workspace/src/github.com/calmh/xdr/cmd/genxdr/main.go
//go:generate genxdr -o truncated_xdr.go truncated.go
package db
import (
"fmt"
import "github.com/syncthing/protocol"
"github.com/syncthing/protocol"
)
// Used for unmarshalling a FileInfo structure but skipping the block list.
type FileInfoTruncated struct {
Name string // max:8192
Flags uint32
Modified int64
Version int64
LocalVersion int64
NumBlocks int32
protocol.FileInfo
ActualSize int64
}
func ToTruncated(file protocol.FileInfo) FileInfoTruncated {
return FileInfoTruncated{
Name: file.Name,
Flags: file.Flags,
Modified: file.Modified,
Version: file.Version,
LocalVersion: file.LocalVersion,
NumBlocks: int32(len(file.Blocks)),
t := FileInfoTruncated{
FileInfo: file,
ActualSize: file.Size(),
}
t.FileInfo.Blocks = nil
return t
}
func (f FileInfoTruncated) String() string {
return fmt.Sprintf("File{Name:%q, Flags:0%o, Modified:%d, Version:%d, Size:%d, NumBlocks:%d}",
f.Name, f.Flags, f.Modified, f.Version, f.Size(), f.NumBlocks)
func (f *FileInfoTruncated) UnmarshalXDR(bs []byte) error {
err := f.FileInfo.UnmarshalXDR(bs)
f.ActualSize = f.FileInfo.Size()
f.FileInfo.Blocks = nil
return err
}
// Returns a statistical guess on the size, not the exact figure
func (f FileInfoTruncated) Size() int64 {
if f.IsDeleted() || f.IsDirectory() {
return 128
}
return BlocksToSize(int(f.NumBlocks))
}
func (f FileInfoTruncated) IsDeleted() bool {
return f.Flags&protocol.FlagDeleted != 0
}
func (f FileInfoTruncated) IsInvalid() bool {
return f.Flags&protocol.FlagInvalid != 0
}
func (f FileInfoTruncated) IsDirectory() bool {
return f.Flags&protocol.FlagDirectory != 0
}
func (f FileInfoTruncated) IsSymlink() bool {
return f.Flags&protocol.FlagSymlink != 0
}
func (f FileInfoTruncated) HasPermissionBits() bool {
return f.Flags&protocol.FlagNoPermBits == 0
return f.ActualSize
}
func BlocksToSize(num int) int64 {

112
internal/db/truncated_xdr.go
View File

@ -1,112 +0,0 @@
// ************************************************************
// This file is automatically generated by genxdr. Do not edit.
// ************************************************************
package db
import (
"bytes"
"io"
"github.com/calmh/xdr"
)
/*
FileInfoTruncated Structure:
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Length of Name |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
/ /
\ Name (variable length) \
/ /
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Flags |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
+ Modified (64 bits) +
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
+ Version (64 bits) +
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |
+ Local Version (64 bits) +
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Num Blocks |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
struct FileInfoTruncated {
string Name<8192>;
unsigned int Flags;
hyper Modified;
hyper Version;
hyper LocalVersion;
int NumBlocks;
}
*/
func (o FileInfoTruncated) EncodeXDR(w io.Writer) (int, error) {
var xw = xdr.NewWriter(w)
return o.encodeXDR(xw)
}
func (o FileInfoTruncated) MarshalXDR() ([]byte, error) {
return o.AppendXDR(make([]byte, 0, 128))
}
func (o FileInfoTruncated) MustMarshalXDR() []byte {
bs, err := o.MarshalXDR()
if err != nil {
panic(err)
}
return bs
}
func (o FileInfoTruncated) AppendXDR(bs []byte) ([]byte, error) {
var aw = xdr.AppendWriter(bs)
var xw = xdr.NewWriter(&aw)
_, err := o.encodeXDR(xw)
return []byte(aw), err
}
func (o FileInfoTruncated) encodeXDR(xw *xdr.Writer) (int, error) {
if l := len(o.Name); l > 8192 {
return xw.Tot(), xdr.ElementSizeExceeded("Name", l, 8192)
}
xw.WriteString(o.Name)
xw.WriteUint32(o.Flags)
xw.WriteUint64(uint64(o.Modified))
xw.WriteUint64(uint64(o.Version))
xw.WriteUint64(uint64(o.LocalVersion))
xw.WriteUint32(uint32(o.NumBlocks))
return xw.Tot(), xw.Error()
}
func (o *FileInfoTruncated) DecodeXDR(r io.Reader) error {
xr := xdr.NewReader(r)
return o.decodeXDR(xr)
}
func (o *FileInfoTruncated) UnmarshalXDR(bs []byte) error {
var br = bytes.NewReader(bs)
var xr = xdr.NewReader(br)
return o.decodeXDR(xr)
}
func (o *FileInfoTruncated) decodeXDR(xr *xdr.Reader) error {
o.Name = xr.ReadStringMax(8192)
o.Flags = xr.ReadUint32()
o.Modified = int64(xr.ReadUint64())
o.Version = int64(xr.ReadUint64())
o.LocalVersion = int64(xr.ReadUint64())
o.NumBlocks = int32(xr.ReadUint32())
return xr.Error()
}