First pass at adding a DSDV system to libretroshare

- Added Routing Data Types.
	- Completed Basic Logic
	- Added Interface for GUI display.

Lots to do:
	- Handle edge cases (drop / add )
	- Test on the network.
	- Partner service, which actually uses system.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-dhtmods@4678 b45a01b8-16f6-495d-af2f-9b41ad6348cc

libretroshare/src/retroshare/rsdsdv.h

@@ -0,0 +1,102 @@
+#ifndef RETROSHARE_DSDV_INTERFACE_H
+#define RETROSHARE_DSDV_INTERFACE_H
+
+/*
+ * libretroshare/src/rsiface: rsdsdv.h
+ *
+ * RetroShare C++ Interface.
+ *
+ * Copyright 2011-2011 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 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".
+ *
+ */
+
+#include <inttypes.h>
+#include <string>
+#include <list>
+
+/* The Main Interface Class - for information about your Peers */
+class RsDsdv;
+extern RsDsdv *rsDsdv;
+
+
+#define RSDSDV_IDTYPE_PEER	0x0001
+#define RSDSDV_IDTYPE_SERVICE	0x0002
+
+#define RSDSDV_FLAGS_SIGNIFICANT_CHANGE         0x0001
+#define RSDSDV_FLAGS_STABLE_ROUTE               0x0002
+#define RSDSDV_FLAGS_NEW_ROUTE               	0x0004
+#define RSDSDV_FLAGS_OWN_SERVICE                0x0008
+
+
+class RsDsdvId
+{
+	public:
+
+	uint32_t mIdType;
+	std::string mAnonChunk;
+	std::string mHash;
+};
+
+class RsDsdvRoute
+{
+	public:
+
+	std::string 	mNextHop;
+	uint32_t 	mSequence;
+	uint32_t 	mDistance;
+	time_t   	mReceived;
+
+};
+
+class RsDsdvTableEntry
+{
+	public:
+
+	RsDsdvId	mDest;
+	RsDsdvRoute	mStableRoute;
+	RsDsdvRoute	mBestRoute;
+
+	uint32_t	mFlags;
+
+	/* if we've matched it to someone */
+	std::string mMatchedHash;
+	bool mMatched;
+	bool mOwnSource;
+};
+
+std::ostream &operator<<(std::ostream &out, const RsDsdvId &id);
+std::ostream &operator<<(std::ostream &out, const RsDsdvRoute &route);
+std::ostream &operator<<(std::ostream &out, const RsDsdvTableEntry &entry);
+
+
+class RsDsdv
+{
+	public:
+
+	RsDsdv()  { return; }
+virtual ~RsDsdv() { return; }
+
+virtual uint32_t getLocalServices(std::list<std::string> &hashes) = 0;
+virtual uint32_t getAllServices(std::list<std::string> &hashes) = 0;
+virtual int 	 getDsdvEntry(const std::string &hash, RsDsdvTableEntry &entry) = 0;
+
+};
+
+#endif
+