// Return how long to wait before trying again. For most errors, we return 5
// minutes, a relatively quick turn around for DNS changes.
func (me *trackerScraper) announce() (ret trackerAnnounceResult) {
defer func() {
ret.Completed = time.Now()
}()
ret.Interval = 5 * time.Minute
blocked, urlToUse, host, err := me.t.cl.prepareTrackerAnnounceUnlocked(me.url)
if err != nil {
ret.Err = err
return
}
if blocked {
ret.Err = errors.New("blocked by IP")
return
}
me.t.cl.mu.Lock()
req := me.t.announceRequest()
me.t.cl.mu.Unlock()
res, err := tracker.AnnounceHost(urlToUse, &req, host)
if err != nil {
ret.Err = err
return
}
me.t.AddPeers(trackerToTorrentPeers(res.Peers))
ret.NumPeers = len(res.Peers)
ret.Interval = time.Duration(res.Interval) * time.Second
return
}
// Return how long to wait before trying again. For most errors, we return 5
// minutes, a relatively quick turn around for DNS changes.
func (me *trackerScraper) announce() time.Duration {
blocked, urlToUse, host, err := me.t.cl.prepareTrackerAnnounceUnlocked(me.url)
if err != nil {
log.Printf("error preparing announce to %q: %s", me.url, err)
return 5 * time.Minute
}
if blocked {
log.Printf("announce to tracker %q blocked by IP", me.url)
return 5 * time.Minute
}
me.t.cl.mu.Lock()
req := me.t.announceRequest()
me.t.cl.mu.Unlock()
res, err := tracker.AnnounceHost(urlToUse, &req, host)
if err != nil {
log.Printf("error announcing %s %q to %q: %s", me.t.InfoHash().HexString(), me.t.Name(), me.url, err)
return 5 * time.Minute
}
me.t.AddPeers(trackerToTorrentPeers(res.Peers))
return time.Duration(res.Interval) * time.Second
}