Rewrite of the discovery system to be more private, with less traffic.

Split the visState into seperate vs_disc and vs_dht for easier handling.
Split the heartbeat system into a separate service.
Added IPv4 and IPv6 local/ext addresses into discovery & peer config.
Fixed up samenet and samesubnet ipv4 calls.




git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.6-initdev@6773 b45a01b8-16f6-495d-af2f-9b41ad6348cc

libretroshare/src/services/p3heartbeat.h

@@ -0,0 +1,61 @@
+/*
+ * libretroshare/src/services: p3heartbeat.h
+ *
+ * Services for RetroShare.
+ *
+ * Copyright 2004-2013 by Robert Fernie.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License Version 2.1 as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA.
+ *
+ * Please report all bugs and problems to "retroshare@lunamutt.com".
+ *
+ */
+
+#ifndef MRK_SERVICES_HEARTBEAT_H
+#define MRK_SERVICES_HEARTBEAT_H
+
+// Moved Heartbeat to a seperate service.
+
+#include "pqi/p3linkmgr.h"
+#include "pqi/pqipersongrp.h"
+#include "services/p3service.h"
+
+
+class p3heartbeat: public p3Service
+{
+	public:
+
+	p3heartbeat(p3LinkMgr *linkMgr, pqipersongrp *pqipg);
+virtual ~p3heartbeat();
+
+	int	tick();
+
+	private:
+
+	void sendHeartbeat(const std::string &toId);
+	void recvHeartbeat(const std::string &fromId);
+
+	private:
+
+	p3LinkMgr *mLinkMgr;
+	pqipersongrp *mPqiPersonGrp;
+
+	/* data */
+	RsMutex mHeartMtx;
+
+	time_t mLastHeartbeat;
+};
+
+#endif // MRK_SERVICES_HEARTBEAT_H