// Handle a .torrent file.
func handleFile(path string) {
torrent, err := metadata.ReadMetadataFile(path)
if err != nil {
statsd.Incr("torrent.error", 1, 1)
glog.Errorf("error reading torrent (%q); %v", path, err)
return
}
// Find the first handler matching the supplied torrent.
for _, handler := range handlers {
if handler.Match(torrent) {
name := "torrent.match." + handler.Name
statsd.Incr(name, 1, 1)
glog.Infof("match file:%q handler:%q watch:%q",
torrent.Info.Name,
handler.Name,
handler.Watch,
)
mvpath := filepath.Join(handler.Watch, filepath.Base(path))
if err := os.Rename(path, mvpath); err != nil {
glog.Errorf("watch import failed (%q); %v", torrent.Info.Name, err)
}
return
}
}
statsd.Incr("torrent.no-match", 1, 1)
glog.Warningf("no handler matched torrent: %q", torrent.Info.Name)
}
func main() {
opt = parseFlags()
// Read the deamon configuration. flag overrides default (~/.config/gutterd.json)
var err error
defconfig := &Config{}
if opt.ConfigPath == "" {
home, err := HomeDirectory()
if err != nil {
glog.Fatalf("unable to locate home directory: %v", err)
}
opt.ConfigPath = filepath.Join(home, ".config", "gutterd.json")
}
if config, err = LoadConfig(opt.ConfigPath, defconfig); err != nil {
glog.Fatalf("unable to load configuration: %v", err)
}
if config.Statsd != "" {
err := statsd.Init(config.Statsd, "gutterd")
if err != nil {
glog.Warningf("statsd init error (no stats will be recorded); %v", err)
}
statsd.Incr("proc.start", 1, 1)
}
handlers = config.MakeHandlers()
// command line flag overrides
if opt.Watch != nil {
config.Watch = opt.Watch
}
statsd.Incr("proc.boot", 1, 1)
if err := fsInit(); err != nil {
glog.Fatalf("error initializing file system watcher; %v", err)
}
for event := range fs.Event {
statsd.Incr("torrents.matches", 1, 1)
handleFile(event.Name)
}
}
func fsInit() (err error) {
fs, err = watcher.NewInstr(
func(event *fsnotify.FileEvent) bool {
statsd.Incr("watcher.fs.events", 1, 1) // filter sees all events
return event.IsCreate() && strings.HasSuffix(event.Name, ".torrent")
},
func(err error) {
statsd.Incr("watcher.fs.errors", 1, 1)
glog.Warningf("watcher error: %v", err)
})
if err != nil {
return
}
if err = fs.Watch(config.Watch...); err != nil {
return
}
return
}