epc-tft.h

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/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
 *
 * 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; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Nicola Baldo  <nbaldo@cttc.es>
 */


#ifndef EPC_TFT_H
#define EPC_TFT_H


#include <ns3/simple-ref-count.h>
#include <ns3/ipv4-address.h>
#include <ns3/ipv6-address.h>

#include <list>

namespace ns3 {



class EpcTft : public SimpleRefCount<EpcTft>
{

public:


  static Ptr<EpcTft> Default ();
  
  enum Direction {DOWNLINK = 1,
          UPLINK = 2,
          BIDIRECTIONAL = 3};
  
  struct PacketFilter
  {
    PacketFilter ();

    bool Matches (Direction d,
          Ipv4Address ra, 
          Ipv4Address la,
          uint16_t rp,
          uint16_t lp,
          uint8_t tos);

    bool Matches (Direction d,
          Ipv6Address ra, 
          Ipv6Address la,
          uint16_t rp,
          uint16_t lp,
          uint8_t tos);

 

    uint8_t precedence;  
    Direction direction; 
    Ipv4Address remoteAddress;     
    Ipv6Address remoteAddress6;     
    Ipv4Mask remoteMask;            
    Ipv4Address localAddress;       
    Ipv6Address localAddress6;      
    Ipv4Mask localMask;  
    uint16_t remotePortStart;  
    uint16_t remotePortEnd;    
    uint16_t localPortStart;   
    uint16_t localPortEnd;     
    uint8_t typeOfService;     
    uint8_t typeOfServiceMask; 
  };
  
  EpcTft ();
  

  uint8_t Add (PacketFilter f);


    bool Matches (Direction direction,
          Ipv4Address remoteAddress,
          Ipv4Address localAddress,
          uint16_t remotePort,
          uint16_t localPort,
          uint8_t typeOfService);

    bool Matches (Direction direction,
          Ipv6Address remoteAddress,
          Ipv6Address localAddress,
          uint16_t remotePort,
          uint16_t localPort,
          uint8_t typeOfService);


private:

  std::list<PacketFilter> m_filters; 
  uint8_t m_numFilters; 
  
};


std::ostream& operator<< (std::ostream& os, EpcTft::Direction& d);


} // namespace ns3
  
#endif /* EPC_TFT_H */