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);
}
}
public void messageReceived(int to, Message m) {
DripMsg msg = (DripMsg) m;
int newId = msg.get_metadata_id();
int newSeqno = msg.get_metadata_seqno();
log.debug("Received Msg: id=" + newId + ",seqno=" + newSeqno);
if (newId != id) {
log.debug("dropped, not ID " + id);
return;
}
if ((newSeqno & ~DripConsts.DRIP_WAKEUP_BIT) == DripConsts.DRIP_SEQNO_NEWEST) {
log.debug("dropped, a special seqno " + newSeqno);
return;
}
switch (state) {
case PROBING:
seqno = newSeqno;
log.info(
"Receive: id=" + id + ",seqno=" + dripMsg.get_metadata_seqno() + " Heard Old Seqno");
incrementSeqno();
state = SENDING_SEQNO;
case SENDING_SEQNO:
if (seqno == newSeqno) {
log.info(
"Receive: id=" + id + ",seqno=" + dripMsg.get_metadata_seqno() + " Heard New Seqno");
trickle.cancel();
trickleTask.cancel();
sendDone();
}
default:
}
}