public void onGeneratedURI(FreenetURI uri, BaseClientPutter state, ObjectContainer container) {
if (logMINOR) Logger.minor(this, "Generated URI for " + darknetOpennetString + " ARK: " + uri);
long l = uri.getSuggestedEdition();
if (l < crypto.myARKNumber) {
Logger.error(
this,
"Inserted "
+ darknetOpennetString
+ " ARK edition # lower than attempted: "
+ l
+ " expected "
+ crypto.myARKNumber);
} else if (l > crypto.myARKNumber) {
if (logMINOR)
Logger.minor(
this,
darknetOpennetString + " ARK number moving from " + crypto.myARKNumber + " to " + l);
crypto.myARKNumber = l;
if (crypto.isOpennet) node.writeOpennetFile();
else node.writeNodeFile();
// We'll broadcast the new ARK edition to our connected peers via a differential node
// reference
SimpleFieldSet fs = new SimpleFieldSet(true);
fs.putSingle("ark.number", Long.toString(crypto.myARKNumber));
node.peers.locallyBroadcastDiffNodeRef(fs, !crypto.isOpennet, crypto.isOpennet);
}
}
/**
* Combine the NodeIPDetector's output with any per-port information we may have to get a
* definitive (for that port/NodeCrypto) list of IP addresses (still without port numbers).
*/
FreenetInetAddress[] detectPrimaryIPAddress() {
FreenetInetAddress addr = crypto.getBindTo();
if (addr.isRealInternetAddress(false, true, false)) {
// Binding to a real internet address => don't want us to use the others, most likely
// he is on a multi-homed box where only one IP can be used for Freenet.
return new FreenetInetAddress[] {addr};
}
return ipDetector.detectPrimaryIPAddress(!crypto.config.includeLocalAddressesInNoderefs);
}
public void update() {
logMINOR = Logger.shouldLog(Logger.MINOR, this);
if (logMINOR) Logger.minor(this, "update()");
if (!checkIPUpdated()) return;
// We'll broadcast the new physical.udp entry to our connected peers via a differential node
// reference
// We'll err on the side of caution and not update our peer to an empty physical.udp entry using
// a differential node reference
SimpleFieldSet nfs = crypto.exportPublicFieldSet(false, false, true);
String[] entries = nfs.getAll("physical.udp");
if (entries != null) {
SimpleFieldSet fs = new SimpleFieldSet(true);
fs.putOverwrite("physical.udp", entries);
if (logMINOR)
Logger.minor(this, darknetOpennetString + " ref's physical.udp is '" + fs.toString() + "'");
node.peers.locallyBroadcastDiffNodeRef(fs, !crypto.isOpennet, crypto.isOpennet);
} else {
if (logMINOR) Logger.minor(this, darknetOpennetString + " ref's physical.udp is null");
}
// Proceed with inserting the ARK
if (logMINOR)
Logger.minor(this, "Inserting " + darknetOpennetString + " ARK because peers list changed");
if (inserter != null) {
// Already inserting.
// Re-insert after finished.
synchronized (this) {
shouldInsert = true;
}
return;
}
// Otherwise need to start an insert
if (node.noConnectedPeers()) {
// Can't start an insert yet
synchronized (this) {
shouldInsert = true;
}
return;
}
startInserter();
}
private void startInserter() {
if (!canStart) {
if (logMINOR) Logger.minor(this, darknetOpennetString + " ARK inserter can't start yet");
return;
}
if (logMINOR) Logger.minor(this, "starting " + darknetOpennetString + " ARK inserter");
SimpleFieldSet fs = crypto.exportPublicFieldSet(false, false, true);
// Remove some unnecessary fields that only cause collisions.
// Delete entire ark.* field for now. Changing this and automatically moving to the new may be
// supported in future.
fs.removeSubset("ark");
fs.removeValue("location");
fs.removeValue("sig");
// fs.remove("version"); - keep version because of its significance in reconnection
String s = fs.toString();
byte[] buf;
try {
buf = s.getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
throw new Error("Impossible: JVM doesn't support UTF-8: " + e, e);
}
Bucket b = new SimpleReadOnlyArrayBucket(buf);
long number = crypto.myARKNumber;
InsertableClientSSK ark = crypto.myARK;
FreenetURI uri = ark.getInsertURI().setKeyType("USK").setSuggestedEdition(number);
if (logMINOR)
Logger.minor(
this, "Inserting " + darknetOpennetString + " ARK: " + uri + " contents:\n" + s);
inserter =
new ClientPutter(
this,
b,
uri,
new ClientMetadata("text/plain") /* it won't quite fit in an SSK anyway */,
node.clientCore.makeClient((short) 0, true).getInsertContext(true),
RequestStarter.INTERACTIVE_PRIORITY_CLASS,
false,
false,
this,
null,
null,
false);
try {
node.clientCore.clientContext.start(inserter, false);
synchronized (this) {
if (fs.get("physical.udp") == null) lastInsertedPeers = null;
else {
try {
String[] all = fs.getAll("physical.udp");
Peer[] peers = new Peer[all.length];
for (int i = 0; i < all.length; i++) peers[i] = new Peer(all[i], false);
lastInsertedPeers = peers;
} catch (PeerParseException e1) {
Logger.error(
this,
"Error parsing own "
+ darknetOpennetString
+ " ref: "
+ e1
+ " : "
+ fs.get("physical.udp"),
e1);
} catch (UnknownHostException e1) {
Logger.error(
this,
"Error parsing own "
+ darknetOpennetString
+ " ref: "
+ e1
+ " : "
+ fs.get("physical.udp"),
e1);
}
}
}
} catch (InsertException e) {
onFailure(e, inserter, null);
} catch (DatabaseDisabledException e) {
// Impossible
}
}
/**
* Get our Peer's. This is a list of IP:port's at which we might be contactable. Some of them will
* have the same port as the listenPort, but if we are behind a NAT which rewrites our port
* number, some of them may not. (If we're behind a symmetric NAT which rewrites it differently
* for each connection, we're stuffed, and we tell the user).
*/
Peer[] detectPrimaryPeers() {
final boolean logMINOR = NodeIPPortDetector.logMINOR;
ArrayList<Peer> addresses = new ArrayList<Peer>();
FreenetInetAddress[] addrs = detectPrimaryIPAddress();
for (FreenetInetAddress addr : addrs) {
addresses.add(new Peer(addr, crypto.portNumber));
if (logMINOR) Logger.minor(this, "Adding " + addr);
}
// Now try to get the rewritten port number from our peers.
// Only considering those within this crypto port, this time.
PeerNode[] peerList = crypto.getPeerNodes();
if (peerList != null) {
HashMap<Peer, Integer> countsByPeer = new HashMap<Peer, Integer>();
// FIXME use a standard mutable int object, we have one somewhere
for (PeerNode pn : peerList) {
Peer p = pn.getRemoteDetectedPeer();
if ((p == null) || p.isNull()) continue;
// DNSRequester doesn't deal with our own node
if (!IPUtil.isValidAddress(p.getAddress(true), false)) continue;
if (logMINOR) Logger.minor(this, "Peer " + pn.getPeer() + " thinks we are " + p);
if (countsByPeer.containsKey(p)) {
countsByPeer.put(p, countsByPeer.get(p) + 1);
} else {
countsByPeer.put(p, 1);
}
}
if (countsByPeer.size() == 1) {
Iterator<Peer> it = countsByPeer.keySet().iterator();
Peer p = (it.next());
Logger.minor(this, "Everyone agrees we are " + p);
if (!addresses.contains(p)) {
addresses.add(p);
}
} else if (countsByPeer.size() > 1) {
// Take two most popular addresses.
Peer best = null;
Peer secondBest = null;
int bestPopularity = 0;
int secondBestPopularity = 0;
for (Map.Entry<Peer, Integer> entry : countsByPeer.entrySet()) {
Peer cur = entry.getKey();
int curPop = entry.getValue();
Logger.normal(this, "Detected peer: " + cur + " popularity " + curPop);
if (curPop >= bestPopularity) {
secondBestPopularity = bestPopularity;
bestPopularity = curPop;
secondBest = best;
best = cur;
}
}
if (best != null) {
if ((bestPopularity > 1) || (addrs.length == 0)) {
if (!addresses.contains(best)) {
Logger.normal(this, "Adding best peer " + best + " (" + bestPopularity + ')');
addresses.add(best);
}
if ((secondBest != null) && (secondBestPopularity > 1)) {
if (!addresses.contains(secondBest)) {
Logger.normal(
this, "Adding second best peer " + secondBest + " (" + secondBest + ')');
addresses.add(secondBest);
}
if (best.getAddress().equals(secondBest.getAddress()) && bestPopularity == 1) {
Logger.error(
this, "Hrrrm, maybe this is a symmetric NAT? Expect trouble connecting!");
System.err.println(
"Hrrrm, maybe this is a symmetric NAT? Expect trouble connecting!");
ipDetector.setMaybeSymmetric();
Peer p = new Peer(best.getFreenetAddress(), crypto.portNumber);
if (!addresses.contains(p)) addresses.add(p);
}
}
}
}
}
}
lastPeers = addresses.toArray(new Peer[addresses.size()]);
if (logMINOR)
Logger.minor(
this, "Returning for port " + crypto.portNumber + " : " + Arrays.toString(lastPeers));
return lastPeers;
}
