/**
* Retrieve a SharingPeer object from the given peer specification.
*
* <p>This function tries to retrieve an existing peer object based on the provided peer
* specification or otherwise instantiates a new one and adds it to our peer repository.
*
* @param search The {@link com.turn.ttorrent.common.Peer} specification.
* @param hexInfoHash
*/
private SharingPeer getOrCreatePeer(Peer search, String hexInfoHash) {
SharingPeer peer;
synchronized (this.peers) {
logger.trace("Searching for {}...", search);
List<SharingPeer> found = new ArrayList<SharingPeer>();
for (SharingPeer p : this.peers) {
if ((search.getHexPeerId() != null && search.getHexPeerId().equals(p.getHexPeerId()))
|| (search.getHostIdentifier() != null
&& search.getHostIdentifier().equals(p.getHostIdentifier()))) {
found.add(p);
}
}
for (SharingPeer f : found) {
if (search.hasPeerId()) {
f.setPeerId(search.getPeerId());
}
}
for (SharingPeer f : found) {
if (f.getTorrentHexInfoHash().equals(hexInfoHash)) {
logger.trace("Found peer: {}.", f);
return f;
}
}
SharedTorrent torrent = this.torrents.get(hexInfoHash);
peer = new SharingPeer(search.getIp(), search.getPort(), search.getPeerId(), torrent);
logger.trace("Created new peer: {}.", peer);
this.peers.add(peer);
return peer;
}
}
/** @param torrent */
protected UDPTrackerClient(SharedTorrent torrent, Peer peer, URI tracker)
throws UnknownHostException {
super(torrent, peer, tracker);
/**
* The UDP announce request protocol only supports IPv4
*
* @see http://bittorrent.org/beps/bep_0015.html#ipv6
*/
if (!(InetAddress.getByName(peer.getIp()) instanceof Inet4Address)) {
throw new UnsupportedAddressTypeException();
}
this.address = new InetSocketAddress(tracker.getHost(), tracker.getPort());
this.socket = null;
this.random = new Random();
this.connectionExpiration = null;
this.stop = false;
}