epc-tft.h

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/*
 * 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/ipv4-address.h>
#include <ns3/ipv6-address.h>
#include <ns3/simple-ref-count.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; 
        Ipv4Mask remoteMask;       
        Ipv4Address localAddress;  
        Ipv4Mask localMask;        
 
        Ipv6Address remoteIpv6Address; 
        Ipv6Prefix remoteIpv6Prefix;   
        Ipv6Address localIpv6Address;  
        Ipv6Prefix localIpv6Prefix;    
 
        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);
 
    std::list<PacketFilter> GetPacketFilters() const;
 
  private:
    std::list<PacketFilter> m_filters; 
    uint8_t m_numFilters;              
};
 
std::ostream& operator<<(std::ostream& os, const EpcTft::Direction& d);
 
} // namespace ns3
 
#endif /* EPC_TFT_H */