protected void removeRequest(PeerNATTraversal request, int outcome) {
synchronized (initiators) {
LinkedList requests = (LinkedList) initiators.get(request.getInitiator());
if (requests != null) {
requests.remove(request);
}
pending_requests.remove(request);
if (active_requests.remove(request)) {
usage_average.addValue(request.getTimeUsed());
if (outcome == OUTCOME_SUCCESS) {
success_count++;
} else {
InetSocketAddress target = request.getTarget();
negative_result_bloom.add(target.toString().getBytes());
if (outcome == OUTCOME_FAILED_NO_REND) {
failed_no_rendezvous++;
}
}
}
}
}
protected void findContacts() {
DHTTransportContact[] reachables = dht.getTransport().getReachableContacts();
for (int i = 0; i < reachables.length; i++) {
DHTTransportContact contact = reachables[i];
byte[] address = contact.getAddress().getAddress().getAddress();
if (tried_bloom == null || tried_bloom.getEntryCount() > 500) {
tried_bloom = BloomFilterFactory.createAddOnly(4096);
}
if (!tried_bloom.contains(address)) {
tried_bloom.add(address);
synchronized (pending_contacts) {
potentialPing ping =
new potentialPing(
contact,
DHTNetworkPositionManager.estimateRTT(
contact.getNetworkPositions(),
dht.getTransport().getLocalContact().getNetworkPositions()));
pending_contacts.add(0, ping);
if (pending_contacts.size() > 60) {
pending_contacts.removeLast();
}
}
}
}
}
public void create(
PeerNATInitiator initiator, InetSocketAddress target, PeerNATTraversalAdapter adapter) {
boolean bad = false;
synchronized (initiators) {
if (negative_result_bloom.contains(target.toString().getBytes())) {
bad = true;
failed_negative_bloom++;
} else {
LinkedList requests = (LinkedList) initiators.get(initiator);
if (requests == null) {
// we get here when download stopped at same time
// Debug.out( "initiator not found" );
bad = true;
} else {
PeerNATTraversal traversal = new PeerNATTraversal(initiator, target, adapter);
requests.addLast(traversal);
pending_requests.addLast(traversal);
if (Logger.isEnabled()) {
Logger.log(
new LogEvent(
LOGID,
"created NAT traversal for " + initiator.getDisplayName() + "/" + target));
}
}
}
}
if (bad) {
adapter.failed();
}
}