private void send(Connection c, String message, int fromNode, int toNode) {
int drop = rand.nextInt(100);
if (drop >= links.getDropRate() || links.getDropRate() == 0) {
String content = message;
// TODO Change to only allowed matched responses.
boolean shouldSend =
(links.getOffset() == 0)
|| (!links.isCheckwhois())
|| ((content.length() > 12)
&& (content.substring(0, 12).equals("WHOIS(Query,")
|| content.subSequence(0, 13).equals("WHOIS(Answer,")));
if (shouldSend) {
// Corruption
int corr = rand.nextInt(100);
if (corr < links.getCorruptionRate()) {
content = Texts.corrupt(content);
}
// Network delay
int delay = (links.getDelay() > 0) ? rand.nextInt(links.getDelay()) : 0;
synchronized (queue) {
queue.add(new PacketMessage(c, delay, fromNode, toNode, content));
}
}
}
}
// This method can only be executed in the EDT so is safe from Connections
// updates
public void updateStatus() {
// The first update triggers network building.
if (!started) {
started = true;
int maxNets = Math.max(1, connections.size() / MIN_PER_NET);
int numNets = Math.min((connections.size() + MAX_PER_NET - 1) / MAX_PER_NET, maxNets);
createCycles(numNets);
// Begin to check for messages.
synchronized (queue) {
this.start();
}
}
int l = connections.size();
List<String> texts = null;
if (links.getOffset() != 0 && !links.isCheckwhois()) {
texts = new ArrayList<String>();
Texts.choose_messages(texts, l, links.getCorruptionRate() > 0);
}
// mark any current messages out of date
startTime = System.currentTimeMillis();
synchronized (queue) {
for (int i = 0; i < l; i++) {
Connection c = connections.get(i);
if (c != null) {
if (links.getOffset() == 0) {
queue.add(new TaskMessage(c, -1, links));
} else {
int recipient = cycles.get(c.getNetwork()).offsetNode(c.getNode(), links.getOffset());
System.out.println("Node:" + c.getNode() + "sending to: " + recipient);
if (links.isCheckwhois()) {
String unknown = connections.get(nodeToIndex(recipient)).getHostname();
queue.add(new TaskMessage(c, -1, links, unknown));
} else {
queue.add(new TaskMessage(c, -1, links, recipient, texts.get(i)));
}
}
}
}
}
}
