func (kvb *kvBatch) IndexRom(rom *types.Rom) error {
//glog.Infof("indexing rom %s", rom.Name)
dats, err := kvb.db.DatsForRom(rom)
if err != nil {
return err
}
if len(dats) > 0 {
if rom.Crc != nil && rom.Sha1 != nil {
//glog.Infof("declaring crc %s -> sha1 %s ampping", hex.EncodeToString(rom.Crc), hex.EncodeToString(rom.Sha1))
err = kvb.crcsha1Batch.Append(rom.Crc, rom.Sha1)
if err != nil {
return err
}
kvb.size += int64(sha1.Size)
}
if rom.Md5 != nil && rom.Sha1 != nil {
//glog.Infof("declaring md5 %s -> sha1 %s ampping", hex.EncodeToString(rom.Md5), hex.EncodeToString(rom.Sha1))
err = kvb.md5sha1Batch.Append(rom.Md5, rom.Sha1)
if err != nil {
return err
}
kvb.size += int64(sha1.Size)
}
return nil
}
if rom.Sha1 == nil {
glog.Warningf("indexing rom %s with missing SHA1", rom.Name)
}
dat := new(types.Dat)
dat.Artificial = true
dat.Generation = kvb.db.generation
dat.Name = fmt.Sprintf("Artificial Dat for %s", rom.Name)
dat.Path = rom.Path
game := new(types.Game)
game.Roms = []*types.Rom{rom}
dat.Games = []*types.Game{game}
var buf bytes.Buffer
gobEncoder := gob.NewEncoder(&buf)
err = gobEncoder.Encode(dat)
if err != nil {
return err
}
hh := sha1.New()
_, err = io.Copy(hh, &buf)
if err != nil {
return err
}
return kvb.IndexDat(dat, hh.Sum(nil))
}
func ParseXml(r io.Reader, path string) (*types.Dat, []byte, error) {
br := bufio.NewReader(r)
hr := hashingReader{
ir: br,
h: sha1.New(),
}
lr := lineCountingReader{
ir: hr,
}
d := new(types.Dat)
decoder := xml.NewDecoder(lr)
err := decoder.Decode(d)
if err != nil {
return nil, nil, fmt.Errorf("xml parsing error %d: %v", lr.line, err)
}
for _, g := range d.Games {
for _, rom := range g.Roms {
fixHashes(rom)
}
for _, rom := range g.Disks {
fixHashes(rom)
}
for _, rom := range g.Parts {
fixHashes(rom)
}
for _, rom := range g.Regions {
fixHashes(rom)
}
}
for _, g := range d.Software {
for _, rom := range g.Roms {
fixHashes(rom)
}
for _, rom := range g.Disks {
fixHashes(rom)
}
for _, rom := range g.Parts {
fixHashes(rom)
}
for _, rom := range g.Regions {
fixHashes(rom)
}
}
d.Normalize()
d.Path = path
return d, hr.h.Sum(nil), nil
}
func writeDiffDat(diffDat *types.Dat, outPath string) error {
diffDat.Path = outPath
diffFile, err := os.Create(outPath)
if err != nil {
return err
}
defer diffFile.Close()
diffWriter := bufio.NewWriter(diffFile)
defer diffWriter.Flush()
return types.ComposeCompliantDat(diffDat, diffWriter)
}
func (depot *Depot) BuildDat(dat *types.Dat, outpath string) (bool, error) {
datPath := filepath.Join(outpath, dat.Name)
err := os.Mkdir(datPath, 0777)
if err != nil {
return false, err
}
var fixDat *types.Dat
for _, game := range dat.Games {
fixGame, err := depot.buildGame(game, datPath)
if err != nil {
return false, err
}
if fixGame != nil {
if fixDat == nil {
fixDat = new(types.Dat)
fixDat.Name = dat.Name
fixDat.Description = dat.Description
fixDat.Path = dat.Path
}
fixDat.Games = append(fixDat.Games, fixGame)
}
}
if fixDat != nil {
fixDatPath := filepath.Join(outpath, fixPrefix+dat.Name+datSuffix)
fixFile, err := os.Create(fixDatPath)
if err != nil {
return false, err
}
defer fixFile.Close()
fixWriter := bufio.NewWriter(fixFile)
defer fixWriter.Flush()
err = types.ComposeDat(fixDat, fixWriter)
if err != nil {
return false, err
}
}
return fixDat == nil, nil
}
func ParseXml(r io.Reader, path string) (*types.Dat, []byte, error) {
br := bufio.NewReader(r)
hr := hashingReader{
ir: br,
h: sha1.New(),
}
lr := lineCountingReader{
ir: hr,
}
d := new(types.Dat)
decoder := xml.NewDecoder(lr)
err := decoder.Decode(d)
if err != nil {
derrStr := fmt.Sprintf("error in file %s on line %d: %v", path, lr.line, err)
derr := XMLParseError.NewWith(derrStr, setErrorFilePath(path), setErrorLineNumber(lr.line))
return nil, nil, derr
}
for _, g := range d.Games {
for _, rom := range g.Roms {
fixHashes(rom)
}
for _, rom := range g.Parts {
fixHashes(rom)
}
for _, rom := range g.Regions {
fixHashes(rom)
}
}
for _, g := range d.Software {
for _, rom := range g.Roms {
fixHashes(rom)
}
for _, rom := range g.Parts {
fixHashes(rom)
}
for _, rom := range g.Regions {
fixHashes(rom)
}
}
for _, g := range d.Machines {
for _, rom := range g.Roms {
fixHashes(rom)
}
for _, rom := range g.Parts {
fixHashes(rom)
}
for _, rom := range g.Regions {
fixHashes(rom)
}
}
d.Normalize()
d.Path = path
return d, hr.h.Sum(nil), nil
}
func (depot *Depot) BuildDat(dat *types.Dat, outpath string, numSubworkers int, deduper dedup.Deduper) (bool, error) {
datPath := filepath.Join(outpath, dat.Name)
err := os.Mkdir(datPath, 0777)
if err != nil {
return false, err
}
fixDat := new(types.Dat)
fixDat.FixDat = true
fixDat.Name = "fix_" + dat.Name
fixDat.Description = dat.Description
fixDat.Path = dat.Path
fixDat.UnzipGames = dat.UnzipGames
wc := make(chan *types.Game)
erc := make(chan error)
closeC := make(chan bool)
mutex := new(sync.Mutex)
for i := 0; i < numSubworkers; i++ {
gb := new(gameBuilder)
gb.depot = depot
gb.wc = wc
gb.erc = erc
gb.mutex = mutex
gb.datPath = datPath
gb.fixDat = fixDat
gb.index = i
gb.deduper = deduper
gb.closeC = closeC
go gb.work()
}
var minionErr error
endLoop:
for _, game := range dat.Games {
select {
case wc <- game:
case err := <-erc:
minionErr = err
break endLoop
}
}
close(wc)
finishedSubworkers := 0
endLoop2:
for {
glog.V(4).Infof("builder master: finished so far %d", finishedSubworkers)
select {
case <-closeC:
glog.V(4).Infof("builder master: finished another subworker")
finishedSubworkers++
if finishedSubworkers == numSubworkers {
break endLoop2
}
case err := <-erc:
glog.V(4).Infof("builder master: minion error")
minionErr = err
}
}
if minionErr != nil {
return false, minionErr
}
if len(fixDat.Games) > 0 {
fixDatPath := filepath.Join(outpath, fixPrefix+dat.Name+datSuffix)
fixFile, err := os.Create(fixDatPath)
if err != nil {
return false, err
}
defer fixFile.Close()
fixWriter := bufio.NewWriter(fixFile)
defer fixWriter.Flush()
err = types.ComposeCompliantDat(fixDat, fixWriter)
if err != nil {
return false, err
}
}
return len(fixDat.Games) > 0, nil
}