public synchronized void messageReceived(int to, Message m) {

    DrainMsg mhMsg = (DrainMsg) m;

    log.debug(
        "incoming: localDest: "
            + to
            + " type:"
            + mhMsg.get_type()
            + " hops:"
            + (16 - mhMsg.get_ttl())
            + " seqNo:"
            + mhMsg.get_seqNo()
            + " source:"
            + mhMsg.get_source()
            + " finalDest:"
            + mhMsg.get_dest());

    // lets assume that the network cannot buffer more than 25 drain msgs from a single source at a
    // time (should be more than reasonable)
    if (seqNos.containsKey(new Integer(mhMsg.get_source()))) {
      int oldSeqNo = ((Integer) seqNos.get(new Integer(mhMsg.get_source()))).intValue();
      int upperBound = mhMsg.get_seqNo() + 25;
      int wrappedUpperBound = 25 - (255 - mhMsg.get_seqNo());
      if ((oldSeqNo >= mhMsg.get_seqNo() && oldSeqNo < upperBound)
          || (oldSeqNo >= 0 && oldSeqNo < wrappedUpperBound)) {
        log.debug(
            "Dropping message from "
                + mhMsg.get_source()
                + " with duplicate seqNo: "
                + mhMsg.get_seqNo());
        return;
      }
    }
    seqNos.put(new Integer(mhMsg.get_source()), new Integer(mhMsg.get_seqNo()));

    if (to != spAddr && to != MoteIF.TOS_BCAST_ADDR && to != TOS_UART_ADDR) {
      log.debug("Dropping message not for me.");
      return;
    }

    HashSet promiscuousSet = (HashSet) idTable.get(new Integer(BCAST_ID));
    HashSet listenerSet = (HashSet) idTable.get(new Integer(mhMsg.get_type()));

    if (listenerSet != null && promiscuousSet != null) {
      listenerSet.addAll(promiscuousSet);
    } else if (listenerSet == null && promiscuousSet != null) {
      listenerSet = promiscuousSet;
    }

    if (listenerSet == null) {
      log.debug("No Listener for type: " + mhMsg.get_type());
      return;
    }

    for (Iterator it = listenerSet.iterator(); it.hasNext(); ) {
      MessageListener ml = (MessageListener) it.next();
      ml.messageReceived(to, mhMsg);
    }
  }
Example #2
0
  // Do a O(n) pass through the motes updating the given moteSender's
  // connectivity to and from each other mote
  public void updateLossRates(MoteSimObject moteSender) {
    Iterator it = state.getMoteSimObjects().iterator();
    while (it.hasNext()) {
      MoteSimObject moteReceiver = (MoteSimObject) it.next();
      if (moteReceiver.getID() == moteSender.getID()) continue;

      updateLossRate(moteSender, moteReceiver);
      updateLossRate(moteReceiver, moteSender);
    }
  }
Example #3
0
  // Send the loss rate for all pairs of motes to the simulator
  public void publishModel() {
    debug.err.println("RADIOMODEL: Publishing model, current is " + curModel);
    Iterator it1 = state.getMoteSimObjects().iterator();
    while (it1.hasNext()) {
      MoteSimObject moteSender = (MoteSimObject) it1.next();
      MoteCoordinateAttribute moteSenderCoord = moteSender.getCoordinate();
      Iterator it2 = state.getMoteSimObjects().iterator();
      while (it2.hasNext()) {
        MoteSimObject moteReceiver = (MoteSimObject) it2.next();
        if (moteReceiver.getID() == moteSender.getID()) continue;

        String key = graphKey(moteSender, moteReceiver);
        double prob = ((Double) connectivityGraph.get(key)).doubleValue();
        publishLossRate(moteSender, moteReceiver, prob);
      }
    }
  }