Additions to tcponudp to add a TouKeepAlive system.

This is only used if we are in 'firewalled' mode.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@360 b45a01b8-16f6-495d-af2f-9b41ad6348cc

libretroshare/src/rsserver/p3face-server.cc

@@ -26,6 +26,7 @@
 
 
 #include "rsserver/p3face.h"
+#include "tcponudp/tou.h"
 #include <sstream>
 
 #include <sys/time.h>
@@ -176,6 +177,9 @@ void 	RsServer::run()
 		{
 			lastSec = (int) ts;
 
+			// Every second! (UDP keepalive).
+			tou_tick_stunkeepalive();
+
 			// every five loops (> 5 secs)
 			if (loop % 5 == 0)
 			{