/* private constructor */ private TrackServer(int tcpPorts[], int udpPorts[], int commandPort) throws Throwable { int listeners = 0; // Start TCP listeners if (!ListTools.isEmpty(tcpPorts)) { for (int i = 0; i < tcpPorts.length; i++) { int port = tcpPorts[i]; if (ServerSocketThread.isValidPort(port)) { try { this._startTCP(port); listeners++; } catch (java.net.BindException be) { Print.logError("TCP: Error binding to port: %d", port); } } else { throw new Exception("TCP: Invalid port number: " + port); } } } // Start UDP listeners if (!ListTools.isEmpty(udpPorts)) { for (int i = 0; i < udpPorts.length; i++) { int port = udpPorts[i]; if (ServerSocketThread.isValidPort(port)) { try { ServerSocketThread sst = this._startUDP(port); if (this.udpSocket == null) { this.udpSocket = sst.getDatagramSocket(); } listeners++; } catch (java.net.BindException be) { Print.logError("UDP: Error binding to port: %d", port); } } else { throw new Exception("UDP: Invalid port number: " + port); } } } /* do we have any active listeners? */ if (listeners <= 0) { Print.logWarn("No active device communication listeners!"); } }