Example #1
0
  /* 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!");
    }
  }