public TRTrackerServerUDP(String _name, int _port, boolean _start_up_ready) {
super(_name, _start_up_ready);
port = _port;
thread_pool = new ThreadPool("TrackerServer:UDP:" + port, THREAD_POOL_SIZE);
try {
InetAddress bind_ip = NetworkAdmin.getSingleton().getSingleHomedServiceBindAddress();
InetSocketAddress address;
DatagramSocket socket;
if (bind_ip == null) {
address = new InetSocketAddress(InetAddress.getByName("127.0.0.1"), port);
socket = new DatagramSocket(port);
} else {
current_bind_ip = bind_ip;
address = new InetSocketAddress(bind_ip, port);
socket = new DatagramSocket(address);
}
socket.setReuseAddress(true);
dg_socket = socket;
final InetSocketAddress f_address = address;
Thread recv_thread =
new AEThread("TRTrackerServerUDP:recv.loop") {
public void runSupport() {
recvLoop(dg_socket, f_address);
}
};
recv_thread.setDaemon(true);
recv_thread.start();
Logger.log(new LogEvent(LOGID, "TRTrackerServerUDP: recv established on port " + port));
} catch (Throwable e) {
Logger.log(
new LogEvent(
LOGID, "TRTrackerServerUDP: " + "DatagramSocket bind failed on port " + port, e));
}
}
protected void recvLoop(DatagramSocket socket, InetSocketAddress address) {
long successful_accepts = 0;
long failed_accepts = 0;
while (!closed) {
try {
byte[] buf = new byte[PRUDPPacket.MAX_PACKET_SIZE];
DatagramPacket packet = new DatagramPacket(buf, buf.length, address);
socket.receive(packet);
successful_accepts++;
failed_accepts = 0;
String ip = packet.getAddress().getHostAddress();
if (!ip_filter.isInRange(ip, "Tracker", null)) {
thread_pool.run(new TRTrackerServerProcessorUDP(this, socket, packet));
}
} catch (Throwable e) {
if (!closed) {
failed_accepts++;
Logger.log(new LogEvent(LOGID, "TRTrackerServer: receive failed on port " + port, e));
if ((failed_accepts > 100 && successful_accepts == 0) || failed_accepts > 1000) {
// looks like its not going to work...
// some kind of socket problem
Logger.logTextResource(
new LogAlert(LogAlert.UNREPEATABLE, LogAlert.AT_ERROR, "Network.alert.acceptfail"),
new String[] {"" + port, "UDP"});
break;
}
}
}
}
}
