public void update(TrackerResponse.PeerInfo info) {
if (!this.info.getSocketAddress().equals(info.getSocketAddress())) {
throw new IllegalArgumentException("socket address differs");
}
if (!this.info.getPeerId().equals(info.getPeerId())) {
this.info = info;
}
lastUpdate = timeSource.getTime();
lastPinged = 0;
pingAttempts = 0;
}
public String averageDistancesPerBucket() {
StringBuilder builder = new StringBuilder();
for (Bucket bucket : buckets) {
builder.append(bucket.toString()).append(": ");
int distanceSum = 0;
Collection<TrackerResponse.PeerInfo> entries = bucket.getEntries();
for (TrackerResponse.PeerInfo node : entries) {
distanceSum += ourId.distance(node.getPeerId());
}
double average = (double) distanceSum / entries.size();
builder.append(average).append("\n");
}
return builder.toString();
}
public synchronized void add(TrackerResponse.PeerInfo e) {
InetSocketAddress address = e.getSocketAddress();
if (entries.containsKey(address)) {
RoutingTable.Bucket.Entry entry = entries.get(address);
entry.update(e);
} else if (canAddMore()) {
entries.put(address, new Entry(e));
} else {
addEntryToWaitingList(e);
}
}
private void addEntryToWaitingList(TrackerResponse.PeerInfo peerInfo) {
InetSocketAddress address = peerInfo.getSocketAddress();
Entry entry = waitingEntries.get(address);
if (entry == null) {
if (waitingEntries.size() < waitingCapacity) {
entry = new Entry(peerInfo);
waitingEntries.put(address, entry);
}
} else {
entry.update(peerInfo);
}
}
public void maintain() {
long now = timeSource.getTime();
if (lastUpdate + TIMEOUT > now) {
return;
}
if (lastPinged + PING_TIMEOUT > now) {
return;
}
if (pingAttempts < MAX_PING_ATTEMPTS) {
pingAttempts++;
totalPings++;
lastPinged = now;
pinger.ping(info.getSocketAddress());
}
}
private int determineValue(TrackerResponse.PeerInfo node) {
return ourId.distance(node.getPeerId());
}
public void addNode(TrackerResponse.PeerInfo node) {
if (ourId.equals(node.getPeerId())) {
return;
}
internalAdd(node);
}