nr-epc-tft.h

// Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
//
// SPDX-License-Identifier: GPL-2.0-only
//
// Author: Nicola Baldo  <nbaldo@cttc.es>
 
#ifndef NR_EPC_TFT_H
#define NR_EPC_TFT_H
 
#include "ns3/ipv4-address.h"
#include "ns3/ipv6-address.h"
#include "ns3/simple-ref-count.h"
 
#include <list>
 
namespace ns3
{
 
class NrEpcTft : public SimpleRefCount<NrEpcTft>
{
  public:
    static Ptr<NrEpcTft> 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; 
    };
 
    NrEpcTft();
 
    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 NrEpcTft::Direction& d);
 
} // namespace ns3
 
#endif /* NR_EPC_TFT_H */