/**
* Called when some bytes have left the outgoing connection. XXX - Should indicate whether it was
* a real piece or overhead.
*/
void uploaded(int size) {
peer.uploaded(size);
listener.uploaded(peer, size);
}
/**
* REF: BEP 9
*
* @since 0.8.4
*/
private static void handleMetadata(Peer peer, PeerListener listener, byte[] bs, Log log) {
if (log.shouldLog(Log.DEBUG)) log.debug("Got metadata msg from " + peer);
try {
InputStream is = new ByteArrayInputStream(bs);
BDecoder dec = new BDecoder(is);
BEValue bev = dec.bdecodeMap();
Map<String, BEValue> map = bev.getMap();
int type = map.get("msg_type").getInt();
int piece = map.get("piece").getInt();
MagnetState state = peer.getMagnetState();
if (type == TYPE_REQUEST) {
if (log.shouldLog(Log.DEBUG)) log.debug("Got request for " + piece + " from: " + peer);
byte[] pc;
synchronized (state) {
pc = state.getChunk(piece);
}
sendPiece(peer, piece, pc);
// Do this here because PeerConnectionOut only reports for PIECE messages
peer.uploaded(pc.length);
listener.uploaded(peer, pc.length);
} else if (type == TYPE_DATA) {
int size = map.get("total_size").getInt();
if (log.shouldLog(Log.DEBUG))
log.debug("Got data for " + piece + " length " + size + " from: " + peer);
boolean done;
int chk = -1;
synchronized (state) {
if (state.isComplete()) return;
int len = is.available();
if (len != size) {
// probably fatal
if (log.shouldLog(Log.WARN)) log.warn("total_size " + size + " but avail data " + len);
}
peer.downloaded(len);
listener.downloaded(peer, len);
done = state.saveChunk(piece, bs, bs.length - len, len);
if (log.shouldLog(Log.INFO)) log.info("Got chunk " + piece + " from " + peer);
if (!done) chk = state.getNextRequest();
}
// out of the lock
if (done) {
// Done!
// PeerState will call the listener (peer coord), who will
// check to see if the MagnetState has it
if (log.shouldLog(Log.WARN)) log.warn("Got last chunk from " + peer);
} else {
// get the next chunk
if (log.shouldLog(Log.INFO)) log.info("Request chunk " + chk + " from " + peer);
sendRequest(peer, chk);
}
} else if (type == TYPE_REJECT) {
if (log.shouldLog(Log.WARN)) log.warn("Got reject msg from " + peer);
peer.disconnect(false);
} else {
if (log.shouldLog(Log.WARN)) log.warn("Got unknown metadata msg from " + peer);
peer.disconnect(false);
}
} catch (Exception e) {
if (log.shouldLog(Log.INFO)) log.info("Metadata ext. msg. exception from " + peer, e);
// fatal ?
peer.disconnect(false);
}
}
