epc-s1ap-sap.h

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/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2012 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.cat>
 */

#ifndef EPC_S1AP_SAP_H
#define EPC_S1AP_SAP_H

#include <ns3/address.h>
#include <ns3/ptr.h>
#include <ns3/object.h>
#include <ns3/eps-bearer.h>
#include <ns3/epc-tft.h>
#include <list>


namespace ns3 {

class EpcS1apSap
{
public:
  virtual ~EpcS1apSap ();

};


class EpcS1apSapMme : public EpcS1apSap
{
public:

  virtual void InitialUeMessage (uint64_t mmeUeS1Id, uint16_t enbUeS1Id, uint64_t stmsi, uint16_t ecgi) = 0;


  struct ErabSetupItem
  {
    uint16_t    erabId;
    Ipv4Address enbTransportLayerAddress;
    uint32_t    enbTeid;    
  };

  virtual void InitialContextSetupResponse (uint64_t mmeUeS1Id,
                                            uint16_t enbUeS1Id,
                                            std::list<ErabSetupItem> erabSetupList) = 0;


  struct ErabSwitchedInDownlinkItem
  {
    uint16_t    erabId;
    Ipv4Address enbTransportLayerAddress;
    uint32_t    enbTeid;    
  };

  virtual void PathSwitchRequest (uint64_t enbUeS1Id, uint64_t mmeUeS1Id, uint16_t gci, std::list<ErabSwitchedInDownlinkItem> erabToBeSwitchedInDownlinkList) = 0;
};



class EpcS1apSapEnb : public EpcS1apSap
{
public:


  struct ErabToBeSetupItem
  {
    uint8_t    erabId;
    EpsBearer   erabLevelQosParameters;
    Ipv4Address transportLayerAddress;
    uint32_t    sgwTeid;    
  };

  virtual void InitialContextSetupRequest (uint64_t mmeUeS1Id,
                                           uint16_t enbUeS1Id,
                                           std::list<ErabToBeSetupItem> erabToBeSetupList) = 0;


  struct ErabSwitchedInUplinkItem
  {
    uint8_t    erabId;
    Ipv4Address transportLayerAddress;
    uint32_t    enbTeid;    
  };

  virtual void PathSwitchRequestAcknowledge (uint64_t enbUeS1Id, uint64_t mmeUeS1Id, uint16_t cgi, std::list<ErabSwitchedInUplinkItem> erabToBeSwitchedInUplinkList) = 0;


};






template <class C>
class MemberEpcS1apSapMme : public EpcS1apSapMme
{
public:
  MemberEpcS1apSapMme (C* owner);

  // inherited from EpcS1apSapMme
  virtual void InitialUeMessage (uint64_t mmeUeS1Id, uint16_t enbUeS1Id, uint64_t imsi, uint16_t ecgi);
  virtual void InitialContextSetupResponse (uint64_t mmeUeS1Id, uint16_t enbUeS1Id, std::list<ErabSetupItem> erabSetupList);
  virtual void PathSwitchRequest (uint64_t enbUeS1Id, uint64_t mmeUeS1Id, uint16_t cgi, std::list<ErabSwitchedInDownlinkItem> erabToBeSwitchedInDownlinkList);

private:
  MemberEpcS1apSapMme ();
  C* m_owner;
};

template <class C>
MemberEpcS1apSapMme<C>::MemberEpcS1apSapMme (C* owner)
  : m_owner (owner)
{
}

template <class C>
MemberEpcS1apSapMme<C>::MemberEpcS1apSapMme ()
{
}

template <class C>
void MemberEpcS1apSapMme<C>::InitialUeMessage (uint64_t mmeUeS1Id, uint16_t enbUeS1Id, uint64_t imsi, uint16_t ecgi)
{
  m_owner->DoInitialUeMessage (mmeUeS1Id, enbUeS1Id, imsi, ecgi);
}

template <class C>
void MemberEpcS1apSapMme<C>::InitialContextSetupResponse (uint64_t mmeUeS1Id, uint16_t enbUeS1Id, std::list<ErabSetupItem> erabSetupList)
{
  m_owner->DoInitialContextSetupResponse (mmeUeS1Id, enbUeS1Id, erabSetupList);
}

template <class C>
void MemberEpcS1apSapMme<C>::PathSwitchRequest (uint64_t enbUeS1Id, uint64_t mmeUeS1Id, uint16_t cgi, std::list<ErabSwitchedInDownlinkItem> erabToBeSwitchedInDownlinkList)
{
  m_owner->DoPathSwitchRequest (enbUeS1Id, mmeUeS1Id, cgi, erabToBeSwitchedInDownlinkList);
}







template <class C>
class MemberEpcS1apSapEnb : public EpcS1apSapEnb
{
public:
  MemberEpcS1apSapEnb (C* owner);

  // inherited from EpcS1apSapEnb
  virtual void InitialContextSetupRequest (uint64_t mmeUeS1Id, uint16_t enbUeS1Id, std::list<ErabToBeSetupItem> erabToBeSetupList);
  virtual void PathSwitchRequestAcknowledge (uint64_t enbUeS1Id, uint64_t mmeUeS1Id, uint16_t cgi, std::list<ErabSwitchedInUplinkItem> erabToBeSwitchedInUplinkList);

private:
  MemberEpcS1apSapEnb ();
  C* m_owner;
};

template <class C>
MemberEpcS1apSapEnb<C>::MemberEpcS1apSapEnb (C* owner)
  : m_owner (owner)
{
}

template <class C>
MemberEpcS1apSapEnb<C>::MemberEpcS1apSapEnb ()
{
}

template <class C>
void MemberEpcS1apSapEnb<C>::InitialContextSetupRequest (uint64_t mmeUeS1Id, uint16_t enbUeS1Id, std::list<ErabToBeSetupItem> erabToBeSetupList)
{
  m_owner->DoInitialContextSetupRequest (mmeUeS1Id, enbUeS1Id, erabToBeSetupList);
}

template <class C>
void MemberEpcS1apSapEnb<C>::PathSwitchRequestAcknowledge (uint64_t enbUeS1Id, uint64_t mmeUeS1Id, uint16_t cgi, std::list<ErabSwitchedInUplinkItem> erabToBeSwitchedInUplinkList)
{
  m_owner->DoPathSwitchRequestAcknowledge (enbUeS1Id, mmeUeS1Id, cgi, erabToBeSwitchedInUplinkList);
}







} //namespace ns3

#endif /* EPC_S1AP_SAP_H */