decentralised = TorrentUtils.isDecentralised( sets[0].getAnnounceURLs()[0]);
}
if ( decentralised ){
announcer = new TRTrackerDHTAnnouncerImpl( torrent, networks, is_manual, getHelper());
}else{
announcer = new TRTrackerBTAnnouncerImpl( torrent, sets, networks, is_manual, getHelper());
}