private void timeOutUpdate() {
if (SimClock.getTime() - this.lastUpdate < secondsForTimeOut) return;
for (Connection con : this.getConnections())
if (con.getOtherNode(getHost()).isSink()) {
delProb = (1 - alpha) * delProb + alpha;
this.lastUpdate = SimClock.getTime();
return;
}
delProb = (1 - alpha) * delProb;
this.lastUpdate = SimClock.getTime();
}
/**
* Copy constructor. Creates a new router based on the given prototype.
*
* @param r The router prototype where setting values are copied from
*/
protected FadToSink(FadToSink r) {
super(r);
this.alpha = r.alpha;
this.gamma = r.gamma;
threshold = (2 - 2 * alpha) / (2 - alpha);
this.secondsForTimeOut = r.secondsForTimeOut;
neighb = new ArrayList<DTNHost>();
this.lastUpdate = SimClock.getTime();
neighbComparator = new NeihbComparator();
msgComparator = new MessageComparator();
}
public void changedConnection(Connection con) {
DTNHost other = con.getOtherNode(getHost());
if (con.isUp()) {
if (other.getRouter().hello().equals("DTNRouter")) neighb.add(other);
else if (other.isSink()) {
delProb = (1 - alpha) * delProb + alpha;
this.lastUpdate = SimClock.getTime();
}
} else if (other.getRouter().hello().equals("DTNRouter")) neighb.remove(other);
Collections.sort(neighb, neighbComparator);
}
private void updateTree() {
JTree tree;
super.setTitle("Routing Info of " + host + " at " + SimClock.getTime());
RoutingInfo ri = host.getRoutingInfo();
DefaultMutableTreeNode top = new DefaultMutableTreeNode(ri);
addChildren(top, ri);
tree = new JTree(top);
for (int i = 0; i < tree.getRowCount(); i++) {
tree.expandRow(i); // expand all rows
}
this.treePane.setViewportView(tree);
this.treePane.revalidate();
}
private Connection tryOtherMessages() {
Collection<Message> msgCollection = getMessageCollection();
if (msgCollection.size() == 0) return null;
if (neighb.size() == 0) return null;
List<Message> messages = new ArrayList<Message>();
messages.addAll(msgCollection);
Collections.sort(messages, msgComparator);
double curFt;
double newFt;
Connection con = null;
for (Message m : messages) {
for (DTNHost h : neighb) {
if ((this.getDelProb() >= threshold * (((FadToSink) h.getRouter()).getDelProb()))) continue;
con = getConOf(h);
if (con == null || h.getRouter().hasMessage(m.getId())) continue;
curFt = (Double) m.getProperty(ftStr);
newFt = 1 - (1 - curFt) * (1 - delProb);
Message msg = m.replicate();
msg.updateProperty(ftStr, newFt);
if (startTransfer(msg, con) != RCV_OK) continue;
m.updateProperty(ftStr, 1 - (1 - curFt) * (1 - ((FadToSink) h.getRouter()).getDelProb()));
delProb = (1 - alpha) * delProb + alpha * ((FadToSink) h.getRouter()).getDelProb();
this.lastUpdate = SimClock.getTime();
return con;
}
}
return con;
}