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
2025-06-07 06:02:41 -04:00 · 2011-11-21 07:49:38 +00:00 · 2011-11-21 07:49:38 +00:00 · 7f30b19f2a
commit 7f30b19f2a
parent e679b57940
10 changed files with 1415 additions and 2 deletions
--- a/libretroshare/src/services/p3dsdv.h
+++ b/libretroshare/src/services/p3dsdv.h
@ -0,0 +1,117 @@
+/*
+ * libretroshare/src/services/p3dsdv.h
+ *
+ * Network-Wide Routing Service.
+ *
+ * Copyright 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".
+ *
+ */
+
+
+#ifndef SERVICE_RSDSDV_HEADER
+#define SERVICE_RSDSDV_HEADER
+
+#include <list>
+#include <string>
+
+#include "serialiser/rsdsdvitems.h"
+#include "services/p3service.h"
+#include "pqi/p3cfgmgr.h"
+#include "pqi/pqimonitor.h"
+
+#include "retroshare/rsdsdv.h"
+
+class p3LinkMgr;
+
+
+#define RSDSDV_MAX_DISTANCE	3
+#define RSDSDV_MAX_SEND_TABLE 100
+
+//!The RS DSDV service.
+ /**
+  *
+  * Finds RS wide paths to Services and Peers.
+  */
+
+class p3Dsdv: public RsDsdv, public p3Service /* , public p3Config */, public pqiMonitor
+{
+	public:
+	p3Dsdv(p3LinkMgr *cm);
+
+		/*** internal librs interface ****/
+
+int 	addDsdvId(RsDsdvId *id, std::string realHash);
+int 	dropDsdvId(RsDsdvId *id);
+int 	printDsdvTable(std::ostream &out);
+
+	private:
+
+int     sendTables();
+void    advanceLocalSequenceNumbers();
+void    clearSignificantChangesFlags();
+
+int 	generateRoutingTables(bool incremental);
+int 	generateRoutingTable(const std::string &peerId, bool incremental);
+
+int     processIncoming();
+
+int 	handleDSDV(RsDsdvRouteItem *dsdv);
+
+
+	public:
+
+		/***** overloaded from rsDsdv *****/
+
+virtual uint32_t getLocalServices(std::list<std::string> &hashes);
+virtual uint32_t getAllServices(std::list<std::string> &hashes);
+virtual int getDsdvEntry(const std::string &hash, RsDsdvTableEntry &entry);
+
+		/***** overloaded from p3Service *****/
+		/*!
+		 * Process stuff.
+		 */
+
+		virtual int   tick();
+		virtual int   status();
+
+		/*************** pqiMonitor callback ***********************/
+		virtual void statusChange(const std::list<pqipeer> &plist);
+
+		/************* from p3Config *******************/
+		//virtual RsSerialiser *setupSerialiser() ;
+		//virtual bool saveList(bool& cleanup, std::list<RsItem*>&) ;
+		//virtual void saveDone();
+		//virtual bool loadList(std::list<RsItem*>& load) ;
+
+	private:
+		RsMutex mDsdvMtx;
+
+		std::map<std::string, RsDsdvTableEntry> mTable;
+
+		time_t mSentTablesTime;
+		time_t mSentIncrementTime;
+	
+		bool mSignificantChanges;
+
+		p3LinkMgr *mLinkMgr;
+
+};
+
+#endif // SERVICE_RSDSDV_HEADER
+