25 #include "ns3/mac48-address.h"
27 #include "ns3/inet-socket-address.h"
28 #include "ns3/uinteger.h"
144 uint16_t enbUeS1Id = params.
rnti;
146 uint64_t imsi = mmeUeS1Id;
150 uint16_t gci = params.
cellId;
151 std::list<EpcS1apSapMme::ErabSwitchedInDownlinkItem> erabToBeSwitchedInDownlinkList;
152 for (std::list<EpcEnbS1SapProvider::BearerToBeSwitched>::iterator bit = params.
bearersToBeSwitched.begin ();
158 flowId.
m_bid = bit->epsBearerId;
159 uint32_t teid = bit->teid;
167 erab.
erabId = bit->epsBearerId;
171 erabToBeSwitchedInDownlinkList.push_back (erab);
180 std::map<uint16_t, std::map<uint8_t, uint32_t> >::iterator rntiIt =
m_rbidTeidMap.find (rnti);
183 for (std::map<uint8_t, uint32_t>::iterator bidIt = rntiIt->second.begin ();
184 bidIt != rntiIt->second.end ();
187 uint32_t teid = bidIt->second;
199 for (std::list<EpcS1apSapEnb::ErabToBeSetupItem>::iterator erabIt = erabToBeSetupList.begin ();
200 erabIt != erabToBeSetupList.end ();
205 uint64_t imsi = mmeUeS1Id;
206 std::map<uint64_t, uint16_t>::iterator imsiIt =
m_imsiRntiMap.find (imsi);
208 uint16_t rnti = imsiIt->second;
212 params.
bearer = erabIt->erabLevelQosParameters;
214 params.
gtpTeid = erabIt->sgwTeid;
230 uint64_t imsi = mmeUeS1Id;
231 std::map<uint64_t, uint16_t>::iterator imsiIt =
m_imsiRntiMap.find (imsi);
233 uint16_t rnti = imsiIt->second;
254 uint16_t rnti = tag.
GetRnti ();
255 uint8_t bid = tag.
GetBid ();
256 NS_LOG_LOGIC (
"received packet with RNTI=" << (uint32_t) rnti <<
", BID=" << (uint32_t) bid);
257 std::map<uint16_t, std::map<uint8_t, uint32_t> >::iterator rntiIt =
m_rbidTeidMap.find (rnti);
260 NS_LOG_WARN (
"UE context not found, discarding packet");
264 std::map<uint8_t, uint32_t>::iterator bidIt = rntiIt->second.find (bid);
265 NS_ASSERT (bidIt != rntiIt->second.end ());
266 uint32_t teid = bidIt->second;
279 uint32_t teid = gtpu.
GetTeid ();
280 std::map<uint32_t, EpsFlowId_t>::iterator it =
m_teidRbidMap.find (teid);
310 gtpu.SetLength (packet->
GetSize () + gtpu.GetSerializedSize () - 8);
320 std::list<EpcS1apSapMme::ErabToBeReleasedIndication> erabToBeReleaseIndication;
323 erabToBeReleaseIndication.push_back (erab);
uint32_t RemoveHeader(Header &header)
Deserialize and remove the header from the internal buffer.
Parameters passed to DataRadioBearerSetupRequest ()
This class implements the Service Access Point (SAP) between the LteEnbRrc and the EpcEnbApplication...
E-RAB Release Indication Item IEs, 3GPP TS 36.413 version 9.8.0 section 9.1.3.7.
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by "...
MME side of the S1-AP Service Access Point (SAP), provides the MME methods to be called when an S1-AP...
EpcEnbApplication(Ptr< Socket > lteSocket, Ptr< Socket > s1uSocket, Ipv4Address enbS1uAddress, Ipv4Address sgwS1uAddress, uint16_t cellId)
Constructor.
This class implements the Service Access Point (SAP) between the LteEnbRrc and the EpcEnbApplication...
void DoPathSwitchRequest(EpcEnbS1SapProvider::PathSwitchRequestParameters params)
uint8_t bearerId
the EPS Bearer Identifier
virtual void DataRadioBearerSetupRequest(DataRadioBearerSetupRequestParameters params)=0
request the setup of a DataRadioBearer
Ipv4Address m_enbS1uAddress
address of the eNB for S1-U communications
uint16_t rnti
the RNTI identifying the UE for which the DataRadioBearer is to be created
void AddPacketTag(const Tag &tag) const
Add a packet tag.
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file...
void DoDispose(void)
Destructor implementation.
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Ipv4Address m_sgwS1uAddress
address of the SGW which terminates all S1-U tunnels
std::list< BearerToBeSwitched > bearersToBeSwitched
uint32_t GetSize(void) const
Returns the the size in bytes of the packet (including the zero-filled initial payload).
Tag used to define the RNTI and EPS bearer ID for packets interchanged between the EpcEnbApplication ...
EpsBearer bearer
the characteristics of the bearer to be set up
Ptr< Socket > m_lteSocket
raw packet socket to send and receive the packets to and from the LTE radio interface ...
uint8_t GetBid(void) const
virtual void ErabReleaseIndication(uint64_t mmeUeS1Id, uint16_t enbUeS1Id, std::list< ErabToBeReleasedIndication > erabToBeReleaseIndication)=0
As per 3GPP TS 23.401 Release 9 V9.5.0 Figure 5.4.4.2-1 eNB sends indication of Bearer Release to MME...
uint16_t GetRnti(void) const
void SendToLteSocket(Ptr< Packet > packet, uint16_t rnti, uint8_t bid)
Send a packet to the UE via the LTE radio interface of the eNB.
EpcS1apSapEnb * GetS1apSapEnb()
void SendToS1uSocket(Ptr< Packet > packet, uint32_t teid)
Send a packet to the SGW via the S1-U interface.
void SetS1SapUser(EpcEnbS1SapUser *s)
Set the S1 SAP User.
Ipv4Address enbTransportLayerAddress
eNB side of the S1-AP Service Access Point (SAP), provides the eNB methods to be called when an S1-AP...
uint16_t m_gtpuUdpPort
UDP port to be used for GTP.
EpcS1apSapMme * m_s1apSapMme
MME side of the S1-AP SAP.
void DoInitialUeMessage(uint64_t imsi, uint16_t rnti)
This class implements a tag that carries an address of a packet across the socket interface...
Callback< R > MakeCallback(R(T::*memPtr)(void), OBJ objPtr)
virtual void PathSwitchRequest(uint64_t enbUeS1Id, uint64_t mmeUeS1Id, uint16_t gci, std::list< ErabSwitchedInDownlinkItem > erabToBeSwitchedInDownlinkList)=0
PATH SWITCH REQUEST message, see 3GPP TS 36.413 9.1.5.8.
uint32_t gtpTeid
S1-bearer GTP tunnel endpoint identifier, see 36.423 9.2.1.
void SetRecvCallback(Callback< void, Ptr< Socket > >)
Notify application when new data is available to be read.
#define NS_LOG_LOGIC(msg)
Use NS_LOG to output a message of level LOG_LOGIC.
bool operator<(const int64x64_t &lhs, const int64x64_t &rhs)
Less than operator.
virtual ~EpcEnbApplication(void)
Destructor.
void RecvFromLteSocket(Ptr< Socket > socket)
Method to be assigned to the recv callback of the LTE socket.
void DoInitialContextSetupRequest(uint64_t mmeUeS1Id, uint16_t enbUeS1Id, std::list< EpcS1apSapEnb::ErabToBeSetupItem > erabToBeSetupList)
Every class exported by the ns3 library is enclosed in the ns3 namespace.
static TypeId GetTypeId(void)
virtual Ptr< Packet > Recv(uint32_t maxSize, uint32_t flags)=0
Read data from the socket.
Template for the implementation of the EpcEnbS1SapProvider as a member of an owner class of type C to...
EpcEnbS1SapProvider * GetS1SapProvider()
void RecvFromS1uSocket(Ptr< Socket > socket)
Method to be assigned to the recv callback of the S1-U socket.
EpcEnbS1SapUser * m_s1SapUser
User for the S1 SAP.
void DoUeContextRelease(uint16_t rnti)
std::map< uint32_t, EpsFlowId_t > m_teidRbidMap
map telling for each S1-U TEID the corresponding RNTI,BID
#define NS_ASSERT_MSG(condition, message)
At runtime, in debugging builds, if this condition is not true, the program prints the message to out...
Ipv4 addresses are stored in host order in this class.
virtual void PathSwitchRequestAcknowledge(PathSwitchRequestAcknowledgeParameters params)=0
#define NS_LOG_WARN(msg)
Use NS_LOG to output a message of level LOG_WARN.
bool RemovePacketTag(Tag &tag)
Remove a packet tag.
void DoPathSwitchRequestAcknowledge(uint64_t enbUeS1Id, uint64_t mmeUeS1Id, uint16_t cgi, std::list< EpcS1apSapEnb::ErabSwitchedInUplinkItem > erabToBeSwitchedInUplinkList)
bool operator==(const EventId &a, const EventId &b)
virtual int SendTo(Ptr< Packet > p, uint32_t flags, const Address &toAddress)=0
Send data to a specified peer.
virtual void InitialUeMessage(uint64_t mmeUeS1Id, uint16_t enbUeS1Id, uint64_t stmsi, uint16_t ecgi)=0
A base class which provides memory management and object aggregation.
EpcS1apSapEnb * m_s1apSapEnb
ENB side of the S1-AP SAP.
void SetS1apSapMme(EpcS1apSapMme *s)
Set the MME side of the S1-AP SAP.
virtual int Send(Ptr< Packet > p, uint32_t flags)=0
Send data (or dummy data) to the remote host.
void DoReleaseIndication(uint64_t imsi, uint16_t rnti, uint8_t bearerId)
This function accepts bearer id corresponding to a particular UE and schedules indication of bearer r...
std::map< uint16_t, std::map< uint8_t, uint32_t > > m_rbidTeidMap
map of maps telling for each RNTI and BID the corresponding S1-U TEID
E-RABs Switched in Downlink Item IE, see 3GPP TS 36.413 9.1.5.8.
a unique identifier for an interface.
TypeId SetParent(TypeId tid)
std::map< uint64_t, uint16_t > m_imsiRntiMap
UE context info.
Ptr< Socket > m_s1uSocket
UDP socket to send and receive GTP-U the packets to and from the S1-U interface.
void AddHeader(const Header &header)
Add header to this packet.
Template for the implementation of the EpcS1apSapEnb as a member of an owner class of type C to which...
EpcEnbS1SapProvider * m_s1SapProvider
Provider for the S1 SAP.