- Thread magnet start if not connected

- Don't lose all DHT peers if we stop quickly
- Explore a kbucket if it's less than 3/4 full
- Change release torrent file names

apps/i2psnark/java/src/org/klomp/snark/SnarkManager.java

@@ -959,7 +959,7 @@ public class SnarkManager implements CompleteListener {
             _snarks.put(name, torrent);
         }
         if (autoStart) {
-            torrent.startTorrent();
+            startTorrent(ih);
             addMessage(_("Fetching {0}", name));
             DHT dht = _util.getDHT();
             boolean shouldWarn = _util.connected() &&

apps/i2psnark/java/src/org/klomp/snark/dht/KRPC.java

@@ -572,7 +572,9 @@ public class KRPC implements I2PSessionMuxedListener, DHT {
         _session.removeListener(I2PSession.PROTO_DATAGRAM_RAW, _rPort);
         // clear the DHT and tracker
         _tracker.stop();
-        PersistDHT.saveDHT(_knownNodes, _dhtFile);
+        // don't lose all our peers if we didn't have time to check them
+        boolean saveAll = _context.clock().now() - _started < 20*60*1000;
+        PersistDHT.saveDHT(_knownNodes, saveAll, _dhtFile);
         _knownNodes.stop();
         for (Iterator<ReplyWaiter> iter = _sentQueries.values().iterator(); iter.hasNext(); ) {
             ReplyWaiter waiter = iter.next();

apps/i2psnark/java/src/org/klomp/snark/dht/PersistDHT.java

@@ -56,12 +56,15 @@ abstract class PersistDHT {
             log.info("Loaded " + count + " nodes from " + file);
     }
 
-    public static synchronized void saveDHT(DHTNodes nodes, File file) {
+    /**
+     *  @param saveAll if true, don't check last seen time
+     */
+    public static synchronized void saveDHT(DHTNodes nodes, boolean saveAll, File file) {
         if (nodes.size() <= 0)
             return;
         Log log = I2PAppContext.getGlobalContext().logManager().getLog(PersistDHT.class);
         int count = 0;
-        long maxAge = I2PAppContext.getGlobalContext().clock().now() - MAX_AGE;
+        long maxAge = saveAll ? 0 : I2PAppContext.getGlobalContext().clock().now() - MAX_AGE;
         PrintWriter out = null;
         try {
             out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(new SecureFileOutputStream(file), "ISO-8859-1")));