/* start UDP listener */ private ServerSocketThread _startUDP(int port) throws Throwable { ServerSocketThread sst = null; /* create server socket */ try { sst = new ServerSocketThread(ServerSocketThread.createDatagramSocket(port)); } catch (Throwable t) { // trap any server exception Print.logException("ServerSocket error", t); throw t; } /* initialize */ sst.setTextPackets(Constants.ASCII_PACKETS); sst.setBackspaceChar(null); // no backspaces allowed sst.setLineTerminatorChar(Constants.ASCII_LINE_TERMINATOR); sst.setIgnoreChar(Constants.ASCII_IGNORE_CHARS); sst.setMaximumPacketLength(Constants.MAX_PACKET_LENGTH); sst.setMinimumPacketLength(Constants.MIN_PACKET_LENGTH); sst.setIdleTimeout(TrackServer.udpTimeout_idle); sst.setPacketTimeout(TrackServer.udpTimeout_packet); sst.setSessionTimeout(TrackServer.udpTimeout_session); sst.setTerminateOnTimeout(Constants.TERMINATE_ON_TIMEOUT); sst.setClientPacketHandlerClass(TrackClientPacketHandler.class); /* start thread */ Print.logInfo( "Starting UDP listener thread on port " + port + " [timeout=" + sst.getSessionTimeout() + "ms] ..."); sst.start(); this.udpThread.add(sst); return sst; }