/*
 *  anytun
 *
 *  The secure anycast tunneling protocol (satp) defines a protocol used
 *  for communication between any combination of unicast and anycast
 *  tunnel endpoints.  It has less protocol overhead than IPSec in Tunnel
 *  mode and allows tunneling of every ETHER TYPE protocol (e.g.
 *  ethernet, ip, arp ...). satp directly includes cryptography and
 *  message authentication based on the methodes used by SRTP.  It is
 *  intended to deliver a generic, scaleable and secure solution for
 *  tunneling and relaying of packets of any protocol.
 *
 *
 *  Copyright (C) 2007 anytun.org <satp@wirdorange.org>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2
 *  as published by the Free Software Foundation.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program (see the file COPYING included with this
 *  distribution); if not, write to the Free Software Foundation, Inc.,
 *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef _ROUTINGTABLE_H
#define _ROUTINGTABLE_H

#include <map>
#include <deque>

#include "threadUtils.hpp"
#include "datatypes.h"
//#include "routingTableEntry.h"
#include "networkAddress.h"
#include "networkPrefix.h"
typedef std::map<NetworkPrefix,u_int16_t> RoutingMap;

class RoutingTable
{
public:
	static RoutingTable& instance();
	RoutingTable();
	~RoutingTable();
	void addRoute(const NetworkPrefix & ,u_int16_t);
	void delRoute(const NetworkPrefix & );
	u_int16_t getRoute(const NetworkAddress &);
	bool empty();
	void clear();
  Mutex& getMutex();
	u_int16_t* getOrNewRoutingTEUnlocked(const NetworkPrefix & addr);
	uint16_t getCountUnlocked();
	RoutingMap::iterator getBeginUnlocked();
	RoutingMap::iterator getEndUnlocked();

private:
  static Mutex instMutex;
	static RoutingTable* inst;
  class instanceCleaner {
    public: ~instanceCleaner() {
     if(RoutingTable::inst != 0)
       delete RoutingTable::inst;
   }
	};
	RoutingTable(const RoutingTable &s);
  void operator=(const RoutingTable &s);
	RoutingMap routes_;
  Mutex mutex_;
};

extern RoutingTable& gRoutingTable;

#endif