@Override
public void connect() {
if (connectionState.get() == ConnectionState.CONNECTED) {
return;
}
stunStack = applicationContext.getBean(StunStack.class);
serverAddress = new TransportAddress(turnHost, turnPort, Transport.UDP);
connectionState.set(ConnectionState.CONNECTING);
try {
localSocket = new MultiplexingDatagramSocket(0, getLocalHost());
channelDataSocket =
localSocket.getSocket(
new TurnDatagramPacketFilter(serverAddress) {
@Override
public boolean accept(DatagramPacket packet) {
return isChannelData(packet);
}
@Override
protected boolean acceptMethod(char method) {
return false;
}
});
localAddress =
new TransportAddress(
(InetSocketAddress) localSocket.getLocalSocketAddress(), Transport.UDP);
stunStack.addSocket(new IceUdpSocketWrapper(localSocket), serverAddress);
stunStack.addIndicationListener(localAddress, this::onIndication);
releaseAllocation();
allocateAddress(serverAddress);
permit(connectivityService.getExternalSocketAddress());
connectionState.set(ConnectionState.CONNECTED);
scheduledExecutorService.execute(this::runInReceiveChannelDataThread);
} catch (StunException | IOException e) {
throw new RuntimeException(e);
}
}
@VisibleForTesting
public InetSocketAddress getLocalSocketAddress() {
return (InetSocketAddress) localSocket.getLocalSocketAddress();
}