public void bitfield(byte[] bitfield, Peer peer) {
for (int i = 0; i < metafile.getPieces().size(); i++) {
if (peer.hasPiece(i) && !torrentDisk.isCompleted(i)) {
peer.setAmInterested(true);
return;
}
}
}
public Torrent(
Metafile metafile,
TorrentDisk torrentDisk,
IncomingPeerListener incomingPeerListener,
BandwidthLimiter uploadBandwidthLimiter,
PieceChooser pieceChooser) {
this.uploadBandwidthLimiter = uploadBandwidthLimiter;
this.incomingPeerListener = incomingPeerListener;
this.metafile = metafile;
this.torrentDisk = torrentDisk;
if (pieceChooser != null) {
this.pieceChooser = pieceChooser;
} else {
this.pieceChooser = new RouletteWheelPieceChooser();
}
this.pieceChooser.setTorrent(this);
peerId = new byte[20];
Random random = new Random(System.currentTimeMillis());
random.nextBytes(peerId);
System.arraycopy("-WT-0001".getBytes(), 0, peerId, 0, 8);
peerIdEncoded = Utils.byteArrayToURLString(peerId);
if (Torrent.verbose) {
addEvent(new Event(this, "peerId generated: " + peerIdEncoded, Level.INFO));
}
this.incomingPeerListener = incomingPeerListener;
this.port = incomingPeerListener.getPort();
incomingPeerListener.register(this);
List announceList = metafile.getAnnounceList();
if (announceList != null) {
for (Object elem : announceList) {
List tier = (List) elem;
List trackerTier = new LinkedList<Tracker>();
for (Object trackerElem : tier) {
ByteBuffer trackerAnnounce = (ByteBuffer) trackerElem;
Tracker tracker = new Tracker(new String(trackerAnnounce.array()));
byte[] keyBytes = new byte[4];
random.nextBytes(keyBytes);
tracker.setKey(Utils.byteArrayToURLString(keyBytes));
trackerTier.add(tracker);
}
Collections.shuffle(trackerTier);
trackerTiers.add(trackerTier);
}
} else {
List<Tracker> uninqueTracker = new LinkedList<Tracker>();
Tracker tracker = new Tracker(metafile.getAnnounce());
byte[] keyBytes = new byte[4];
random.nextBytes(keyBytes);
tracker.setKey(Utils.byteArrayToURLString(keyBytes));
uninqueTracker.add(tracker);
trackerTiers.add(uninqueTracker);
}
activeTracker = trackerTiers.get(0).get(0);
}
public boolean isCompleted() {
return torrentDisk.getCompleted() == metafile.getLength();
}