code: func (t *connTable) Register(ck ckey, matchedRule *Rule, srcIP, srcPort string, targetPort layers.TCPPort) {
  	t.mtx.Lock()
  	defer t.mtx.Unlock()
  
  	if _, ok := t.table[ck]; ok {
  		// TODO: wut?
  	} else {
  		logger.Debugf("[contable] registering %s:%s->%d", srcIP, srcPort, targetPort)
  
  		t.table[ck] = &Metadata{
  			Added:      time.Now(),
  			Rule:       matchedRule,
  			TargetPort: targetPort,
  			//TargetIP:   targetIP,
  		}
  	}
  }
docs: // TODO: fix srcIP string inconsistency