yet another ThreadMaintainDHTNodes heuristic improvement

libtorrent/src/session.cpp

@@ -1235,7 +1235,7 @@ namespace libtorrent
 		, coalesce_writes(false)
 		, outgoing_ports(0,0)
 		, peer_tos(0)
-		, active_downloads(3)
+		, active_downloads(6)
 		, active_seeds(5)
 		, active_dht_limit(88) // don't announce more than once every 40 seconds
 		, active_tracker_limit(1600) // don't announce to trackers more than once every 1.125 seconds

src/twister.cpp

@@ -258,7 +258,7 @@ void ThreadMaintainDHTNodes()
             vector<CAddress> vAddr = addrman.GetAddr();
             int totalNodesCandidates = (int)(vNodes.size() + vAddr.size());
             if( (!dht_nodes && totalNodesCandidates) ||
-                dht_nodes < totalNodesCandidates / 2 ) {
+                (dht_nodes < 5 && totalNodesCandidates > 10) ) {
                 printf("ThreadMaintainDHTNodes: too few dht_nodes, trying to add some...\n");
                 BOOST_FOREACH(const CAddress &a, vAddr) {
                     std::string addr = a.ToStringIP();