don't connect to ipv6 address if not supported

Transports.cpp

@@ -378,7 +378,9 @@ namespace transport
 			{
 				auto address = (*it).endpoint ().address ();
 				LogPrint (eLogDebug, "Transports: ", (*it).host_name (), " has been resolved to ", address);
-				auto addr = peer.router->GetNTCPAddress ();
+				if (address.is_v4 () || context.SupportsV6 ())
+				{
+					auto addr = peer.router->GetNTCPAddress (); // TODO: take one we requested
 					if (addr)
 					{
 						auto s = std::make_shared<NTCPSession> (*m_NTCPServer, peer.router);
@@ -386,6 +388,9 @@ namespace transport
 						return;
 					}
 				}	
+				else
+					LogPrint (eLogInfo, "Can't connect to NTCP ", address, " ipv6 is not supported");
+			}
 			LogPrint (eLogError, "Transports: Unable to resolve NTCP address: ", ecode.message ());
 			std::unique_lock<std::mutex>  l(m_PeersMutex);		
 			m_Peers.erase (it1);
@@ -411,13 +416,18 @@ namespace transport
 			{
 				auto address = (*it).endpoint ().address ();
 				LogPrint (eLogDebug, "Transports: ", (*it).host_name (), " has been resolved to ", address);
-				auto addr = peer.router->GetSSUAddress (!context.SupportsV6 ());;
+				if (address.is_v4 () || context.SupportsV6 ())
+				{
+					auto addr = peer.router->GetSSUAddress (); // TODO: take one we requested
 					if (addr)
 					{
 						m_SSUServer->CreateSession (peer.router, address, addr->port);
 						return;
 					}
 				}	
+				else
+					LogPrint (eLogInfo, "Can't connect to SSU ", address, " ipv6 is not supported");
+			}
 			LogPrint (eLogError, "Transports: Unable to resolve SSU address: ", ecode.message ());
 			std::unique_lock<std::mutex>  l(m_PeersMutex);	
 			m_Peers.erase (it1);