public Message send(Message query) {
int q, r;
Message best = null;
byte rcode;
for (q = 0; q < 20; q++) {
boolean ok = false;
for (r = 0; r < resolvers.length; r++) ok |= sendTo(query, r, q);
if (!ok) break;
Message m = null;
synchronized (queue) {
try {
queue.wait((quantum + 1) * 1000);
} catch (InterruptedException e) {
System.out.println("interrupted");
}
if (queue.size() == 0) continue;
m = (Message) queue.firstElement();
queue.removeElementAt(0);
Integer I = (Integer) queue.firstElement();
queue.removeElementAt(0);
r = I.intValue();
}
if (m == null) invalid[r] = true;
else {
rcode = m.getHeader().getRcode();
if (rcode == Rcode.NOERROR) return m;
else {
if (best == null) best = m;
invalid[r] = true;
}
}
}
return best;
}
