/**
* Received when a peer request a piece. If the piece is available (which should always be the
* case according to Bittorrent protocol) and we are able and willing to upload, the send the
* piece to the peer
*
* @param peerID String
* @param piece int
* @param begin int
* @param length int
*/
public synchronized void peerRequest(String peerID, int piece, int begin, int length) {
if (this.isPieceComplete(piece)) {
DownloadTask dt = this.task.get(peerID);
if (dt != null) {
dt.ms.addMessageToQueue(
new Message_PP(
PeerProtocol.PIECE,
Utils.concat(
Utils.intToByteArray(piece),
Utils.concat(
Utils.intToByteArray(begin), this.getPieceBlock(piece, begin, length)))));
dt.peer.setULRate(length);
}
dt = null;
this.pu.updateParameters(0, length, "");
} else {
try {
this.task.get(peerID).end();
} catch (Exception e) {
}
this.task.remove(peerID);
this.peerList.remove(peerID);
this.unchoken.remove(peerID);
}
}
/**
* Save the downloaded files into the corresponding directories
*
* @deprecated
*/
public synchronized void save() {
synchronized (this) {
synchronized (this.isComplete) {
byte[] data = new byte[0];
for (int i = 0; i < this.nbPieces; i++) {
if (this.pieceList[i] == null) {
} else {
data = Utils.concat(data, this.pieceList[i].data());
}
}
String saveAs = Constants.SAVEPATH;
int offset = 0;
if (this.nbOfFiles > 1) saveAs += this.torrent.saveAs + "/";
for (int i = 0; i < this.nbOfFiles; i++) {
try {
new File(saveAs).mkdirs();
FileOutputStream fos =
new FileOutputStream(saveAs + ((String) (this.torrent.name.get(i))));
fos.write(
Utils.subArray(data, offset, ((Integer) (this.torrent.length.get(i))).intValue()));
fos.flush();
fos.close();
offset += ((Integer) (this.torrent.length.get(i))).intValue();
} catch (IOException ioe) {
ioe.printStackTrace();
System.err.println(
"Error when saving the file " + ((String) (this.torrent.name.get(i))));
}
}
}
}
}