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 deregisterListener(int id, MessageListener m) {
HashSet listenerSet = (HashSet) idTable.get(new Integer(id));
if (listenerSet == null) {
throw new IllegalArgumentException("No listeners registered for message type " + id);
}
listenerSet.remove(m);
}
public void registerListener(int id, MessageListener m) {
HashSet listenerSet = (HashSet) idTable.get(new Integer(id));
if (listenerSet == null) {
listenerSet = new HashSet();
idTable.put(new Integer(id), listenerSet);
}
listenerSet.add(m);
log.info("New Listener for id=" + id);
}
public void addRequestForStream(StreamDataSource sds, int serial) {
if (afterLoadMap.containsKey(sds)) {
List sList = (List) afterLoadMap.get(sds);
sList.add(new Integer(serial));
} else {
List sList = new LinkedList();
sList.add(new Integer(serial));
afterLoadMap.put(sds, sList);
}
}
public void loadStreams() throws Exception {
Config config = Config.getConfiguration("manager.streams");
afterLoadMap = new HashMap();
Object[] names = config.getArray("streams", null);
if (names == null) {
return;
}
for (int i = 0; i < names.length; i++) {
StreamDataSource sds = new StreamDataSource(names[i].toString());
sds.load();
sds.initiate();
addStreamNoFire(sds);
addDefault(sds);
}
Iterator it = afterLoadMap.keySet().iterator();
while (it.hasNext()) {
StreamDataSource sds = (StreamDataSource) it.next();
List sList = (List) afterLoadMap.get(sds);
Iterator addIt = sList.iterator();
while (addIt.hasNext()) {
Integer serial = (Integer) addIt.next();
StreamDataSource addStream = getStream(serial.intValue());
if (addStream != null) {
sds.addStream(addStream);
} else {
logger.warn("Unable to find source (" + serial + ") for " + sds);
}
}
}
afterLoadMap = null;
}
public StreamDataSource getStream(int serial) {
return (StreamDataSource) serialToStream.get(new Integer(serial));
}