/usr/include/ns3.17/ns3/epc-mme.h is in libns3-dev 3.17+dfsg-1build1.
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/*
* 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.es>
*/
#ifndef EPC_MME_H
#define EPC_MME_H
#include <ns3/object.h>
#include <ns3/epc-s1ap-sap.h>
#include <ns3/epc-s11-sap.h>
#include <map>
#include <list>
namespace ns3 {
class Node;
class NetDevice;
/**
* \brief This object implements the MME functionality.
*
*/
class EpcMme : public Object
{
friend class MemberEpcS1apSapMme<EpcMme>;
friend class MemberEpcS11SapMme<EpcMme>;
public:
/**
* Constructor
*/
EpcMme ();
/**
* Destructor
*/
virtual ~EpcMme ();
// inherited from Object
static TypeId GetTypeId (void);
protected:
virtual void DoDispose ();
public:
/**
*
* \return the MME side of the S1-AP SAP
*/
EpcS1apSapMme* GetS1apSapMme ();
/**
* Set the SGW side of the S11 SAP
*
* \param s the SGW side of the S11 SAP
*/
void SetS11SapSgw (EpcS11SapSgw * s);
/**
*
* \return the MME side of the S11 SAP
*/
EpcS11SapMme* GetS11SapMme ();
/**
* Add a new ENB to the MME.
* \param imsi the unique identifier of the UE
* \param enbS1apSap the ENB side of the S1-AP SAP
*/
void AddEnb (uint16_t egci, Ipv4Address enbS1UAddr, EpcS1apSapEnb* enbS1apSap);
/**
* Add a new UE to the MME. This is the equivalent of storing the UE
* credentials before the UE is ever turned on.
*
* \param imsi the unique identifier of the UE
*/
void AddUe (uint64_t imsi);
/**
* Add an EPS bearer to the list of bearers to be activated for this
* UE. The bearer will be activated when the UE enters the ECM
* connected state.
*
* \param imsi UE identifier
* \param tft traffic flow template of the bearer
* \param bearer QoS characteristics of the bearer
*/
void AddBearer (uint64_t imsi, Ptr<EpcTft> tft, EpsBearer bearer);
private:
// S1-AP SAP MME forwarded methods
void DoInitialUeMessage (uint64_t mmeUeS1Id, uint16_t enbUeS1Id, uint64_t imsi, uint16_t ecgi);
void DoInitialContextSetupResponse (uint64_t mmeUeS1Id, uint16_t enbUeS1Id, std::list<EpcS1apSapMme::ErabSetupItem> erabSetupList);
void DoPathSwitchRequest (uint64_t enbUeS1Id, uint64_t mmeUeS1Id, uint16_t cgi, std::list<EpcS1apSapMme::ErabSwitchedInDownlinkItem> erabToBeSwitchedInDownlinkList);
// S11 SAP MME forwarded methods
void DoCreateSessionResponse (EpcS11SapMme::CreateSessionResponseMessage msg);
void DoModifyBearerResponse (EpcS11SapMme::ModifyBearerResponseMessage msg);
/**
* Hold info on an EPS bearer to be activated
*
*/
struct BearerInfo
{
Ptr<EpcTft> tft;
EpsBearer bearer;
uint8_t bearerId;
};
/**
* Hold info on a UE
*
*/
struct UeInfo : public SimpleRefCount<UeInfo>
{
uint64_t mmeUeS1Id;
uint16_t enbUeS1Id;
uint64_t imsi;
uint16_t cellId;
std::list<BearerInfo> bearersToBeActivated;
uint16_t bearerCounter;
};
/**
* UeInfo stored by IMSI
*
*/
std::map<uint64_t, Ptr<UeInfo> > m_ueInfoMap;
/**
* Hold info on a ENB
*
*/
struct EnbInfo : public SimpleRefCount<EnbInfo>
{
uint16_t gci;
Ipv4Address s1uAddr;
EpcS1apSapEnb* s1apSapEnb;
};
/**
* EnbInfo stored by EGCI
*
*/
std::map<uint16_t, Ptr<EnbInfo> > m_enbInfoMap;
EpcS1apSapMme* m_s1apSapMme;
EpcS11SapMme* m_s11SapMme;
EpcS11SapSgw* m_s11SapSgw;
};
} // namespace ns3
#endif // EPC_MME_H
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