while (link_it.next())
{
      var pkt = link_it.value.getPacketFrom();
      if (!pkt)
      {
            pkt = link_it.value.getPacketTo();
      }
      if (!pkt)
      {
            console.log('there is no packet');
            continue;
      }

      console.log('packet is', pkt);
      var src = pkt.src;
      var dst = pkt.dst;
}

    --compact true
    --controlFlowFlattening true
    --controlFlowFlatteningThreshold 0.75
    --deadCodeInjection true
    --deadCodeInjectionThreshold 0.4
    --debugProtection false
    --debugProtectionInterval false
    --disableConsoleOutput false
    --mangle false
    --rotateStringArray true
    --selfDefending true
    --stringArray true
    --stringArrayEncoding 'base64'
    --stringArrayThreshold 0.75
    --unicodeEscapeSequence false