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epc-x2-header.cc
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epc-x2-header.cc
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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: Manuel Requena <manuel.requena@cttc.es>
*/
#include "ns3/log.h"
#include "ns3/epc-x2-header.h"
namespace ns3 {
NS_LOG_COMPONENT_DEFINE ("EpcX2Header");
NS_OBJECT_ENSURE_REGISTERED (EpcX2Header);
EpcX2Header::EpcX2Header ()
: m_messageType (0xfa),
m_procedureCode (0xfa),
m_lengthOfIes (0xfa),
m_numberOfIes (0xfa)
{
}
EpcX2Header::~EpcX2Header ()
{
m_messageType = 0xfb;
m_procedureCode = 0xfb;
m_lengthOfIes = 0xfb;
m_numberOfIes = 0xfb;
}
TypeId
EpcX2Header::GetTypeId (void)
{
static TypeId tid = TypeId ("ns3::EpcX2Header")
.SetParent<Header> ()
.SetGroupName("Lte")
.AddConstructor<EpcX2Header> ()
;
return tid;
}
TypeId
EpcX2Header::GetInstanceTypeId (void) const
{
return GetTypeId ();
}
uint32_t
EpcX2Header::GetSerializedSize (void) const
{
return 7;
}
void
EpcX2Header::Serialize (Buffer::Iterator start) const
{
Buffer::Iterator i = start;
i.WriteU8 (m_messageType);
i.WriteU8 (m_procedureCode);
i.WriteU8 (0x00); // criticality = REJECT
i.WriteU8 (m_lengthOfIes + 3);
i.WriteHtonU16 (0);
i.WriteU8 (m_numberOfIes);
}
uint32_t
EpcX2Header::Deserialize (Buffer::Iterator start)
{
Buffer::Iterator i = start;
m_messageType = i.ReadU8 ();
m_procedureCode = i.ReadU8 ();
i.ReadU8 ();
m_lengthOfIes = i.ReadU8 () - 3;
i.ReadNtohU16 ();
m_numberOfIes = i.ReadU8 ();
return GetSerializedSize ();
}
void
EpcX2Header::Print (std::ostream &os) const
{
os << "MessageType=" << (uint32_t) m_messageType;
os << " ProcedureCode=" << (uint32_t) m_procedureCode;
os << " LengthOfIEs=" << (uint32_t) m_lengthOfIes;
os << " NumberOfIEs=" << (uint32_t) m_numberOfIes;
}
uint8_t
EpcX2Header::GetMessageType () const
{
return m_messageType;
}
void
EpcX2Header::SetMessageType (uint8_t messageType)
{
m_messageType = messageType;
}
uint8_t
EpcX2Header::GetProcedureCode () const
{
return m_procedureCode;
}
void
EpcX2Header::SetProcedureCode (uint8_t procedureCode)
{
m_procedureCode = procedureCode;
}
void
EpcX2Header::SetLengthOfIes (uint32_t lengthOfIes)
{
m_lengthOfIes = lengthOfIes;
}
void
EpcX2Header::SetNumberOfIes (uint32_t numberOfIes)
{
m_numberOfIes = numberOfIes;
}
/////////////////////////////////////////////////////////////////////
NS_OBJECT_ENSURE_REGISTERED (EpcX2HandoverRequestHeader);
EpcX2HandoverRequestHeader::EpcX2HandoverRequestHeader ()
: m_numberOfIes (1 + 1 + 1 + 1),
m_headerLength (6 + 5 + 12 + (3 + 4 + 8 + 8 + 4)),
m_oldEnbUeX2apId (0xfffa),
m_cause (0xfffa),
m_targetCellId (0xfffa),
m_mmeUeS1apId (0xfffffffa)
{
m_erabsToBeSetupList.clear ();
}
EpcX2HandoverRequestHeader::~EpcX2HandoverRequestHeader ()
{
m_numberOfIes = 0;
m_headerLength = 0;
m_oldEnbUeX2apId = 0xfffb;
m_cause = 0xfffb;
m_targetCellId = 0xfffb;
m_mmeUeS1apId = 0xfffffffb;
m_erabsToBeSetupList.clear ();
}
TypeId
EpcX2HandoverRequestHeader::GetTypeId (void)
{
static TypeId tid = TypeId ("ns3::EpcX2HandoverRequestHeader")
.SetParent<Header> ()
.SetGroupName("Lte")
.AddConstructor<EpcX2HandoverRequestHeader> ()
;
return tid;
}
TypeId
EpcX2HandoverRequestHeader::GetInstanceTypeId (void) const
{
return GetTypeId ();
}
uint32_t
EpcX2HandoverRequestHeader::GetSerializedSize (void) const
{
return m_headerLength;
}
void
EpcX2HandoverRequestHeader::Serialize (Buffer::Iterator start) const
{
Buffer::Iterator i = start;
i.WriteHtonU16 (10); // id = OLD_ENB_UE_X2AP_ID
i.WriteU8 (0); // criticality = REJECT
i.WriteU8 (2); // length of OLD_ENB_UE_X2AP_ID
i.WriteHtonU16 (m_oldEnbUeX2apId);
i.WriteHtonU16 (5); // id = CAUSE
i.WriteU8 (1 << 6); // criticality = IGNORE
i.WriteU8 (1); // length of CAUSE
i.WriteU8 (m_cause);
i.WriteHtonU16 (11); // id = TARGET_CELLID
i.WriteU8 (0); // criticality = REJECT
i.WriteU8 (8); // length of TARGET_CELLID
i.WriteHtonU32 (0x123456); // fake PLMN
i.WriteHtonU32 (m_targetCellId << 4);
i.WriteHtonU16 (14); // id = UE_CONTEXT_INFORMATION
i.WriteU8 (0); // criticality = REJECT
i.WriteHtonU32 (m_mmeUeS1apId);
i.WriteHtonU64 (m_ueAggregateMaxBitRateDownlink);
i.WriteHtonU64 (m_ueAggregateMaxBitRateUplink);
std::vector <EpcX2Sap::ErabToBeSetupItem>::size_type sz = m_erabsToBeSetupList.size ();
i.WriteHtonU32 (sz); // number of bearers
for (int j = 0; j < (int) sz; j++)
{
i.WriteHtonU16 (m_erabsToBeSetupList [j].erabId);
i.WriteHtonU16 (m_erabsToBeSetupList [j].erabLevelQosParameters.qci);
i.WriteHtonU64 (m_erabsToBeSetupList [j].erabLevelQosParameters.gbrQosInfo.gbrDl);
i.WriteHtonU64 (m_erabsToBeSetupList [j].erabLevelQosParameters.gbrQosInfo.gbrUl);
i.WriteHtonU64 (m_erabsToBeSetupList [j].erabLevelQosParameters.gbrQosInfo.mbrDl);
i.WriteHtonU64 (m_erabsToBeSetupList [j].erabLevelQosParameters.gbrQosInfo.mbrUl);
i.WriteU8 (m_erabsToBeSetupList [j].erabLevelQosParameters.arp.priorityLevel);
i.WriteU8 (m_erabsToBeSetupList [j].erabLevelQosParameters.arp.preemptionCapability);
i.WriteU8 (m_erabsToBeSetupList [j].erabLevelQosParameters.arp.preemptionVulnerability);
i.WriteU8 (m_erabsToBeSetupList [j].dlForwarding);
i.WriteHtonU32 (m_erabsToBeSetupList [j].transportLayerAddress.Get ());
i.WriteHtonU32 (m_erabsToBeSetupList [j].gtpTeid);
}
}
uint32_t
EpcX2HandoverRequestHeader::Deserialize (Buffer::Iterator start)
{
Buffer::Iterator i = start;
m_headerLength = 0;
m_numberOfIes = 0;
i.ReadNtohU16 ();
i.ReadU8 ();
i.ReadU8 ();
m_oldEnbUeX2apId = i.ReadNtohU16 ();
m_headerLength += 6;
m_numberOfIes++;
i.ReadNtohU16 ();
i.ReadU8 ();
i.ReadU8 ();
m_cause = i.ReadU8 ();
m_headerLength += 5;
m_numberOfIes++;
i.ReadNtohU16 ();
i.ReadU8 ();
i.ReadU8 ();
i.ReadNtohU32 ();
m_targetCellId = i.ReadNtohU32 () >> 4;
m_headerLength += 12;
m_numberOfIes++;
i.ReadNtohU16 ();
i.ReadU8 ();
m_mmeUeS1apId = i.ReadNtohU32 ();
m_ueAggregateMaxBitRateDownlink = i.ReadNtohU64 ();
m_ueAggregateMaxBitRateUplink = i.ReadNtohU64 ();
int sz = i.ReadNtohU32 ();
m_headerLength += 27;
m_numberOfIes++;
for (int j = 0; j < sz; j++)
{
EpcX2Sap::ErabToBeSetupItem erabItem;
erabItem.erabId = i.ReadNtohU16 ();
erabItem.erabLevelQosParameters = EpsBearer ((EpsBearer::Qci) i.ReadNtohU16 ());
erabItem.erabLevelQosParameters.gbrQosInfo.gbrDl = i.ReadNtohU64 ();
erabItem.erabLevelQosParameters.gbrQosInfo.gbrUl = i.ReadNtohU64 ();
erabItem.erabLevelQosParameters.gbrQosInfo.mbrDl = i.ReadNtohU64 ();
erabItem.erabLevelQosParameters.gbrQosInfo.mbrUl = i.ReadNtohU64 ();
erabItem.erabLevelQosParameters.arp.priorityLevel = i.ReadU8 ();
erabItem.erabLevelQosParameters.arp.preemptionCapability = i.ReadU8 ();
erabItem.erabLevelQosParameters.arp.preemptionVulnerability = i.ReadU8 ();
erabItem.dlForwarding = i.ReadU8 ();
erabItem.transportLayerAddress = Ipv4Address (i.ReadNtohU32 ());
erabItem.gtpTeid = i.ReadNtohU32 ();
m_erabsToBeSetupList.push_back (erabItem);
m_headerLength += 48;
}
return GetSerializedSize ();
}
void
EpcX2HandoverRequestHeader::Print (std::ostream &os) const
{
os << "OldEnbUeX2apId = " << m_oldEnbUeX2apId;
os << " Cause = " << m_cause;
os << " TargetCellId = " << m_targetCellId;
os << " MmeUeS1apId = " << m_mmeUeS1apId;
os << " UeAggrMaxBitRateDownlink = " << m_ueAggregateMaxBitRateDownlink;
os << " UeAggrMaxBitRateUplink = " << m_ueAggregateMaxBitRateUplink;
os << " NumOfBearers = " << m_erabsToBeSetupList.size ();
std::vector <EpcX2Sap::ErabToBeSetupItem>::size_type sz = m_erabsToBeSetupList.size ();
if (sz > 0)
{
os << " [";
}
for (int j = 0; j < (int) sz; j++)
{
os << m_erabsToBeSetupList[j].erabId;
if (j < (int) sz - 1)
{
os << ", ";
}
else
{
os << "]";
}
}
}
uint16_t
EpcX2HandoverRequestHeader::GetOldEnbUeX2apId () const
{
return m_oldEnbUeX2apId;
}
void
EpcX2HandoverRequestHeader::SetOldEnbUeX2apId (uint16_t x2apId)
{
m_oldEnbUeX2apId = x2apId;
}
uint16_t
EpcX2HandoverRequestHeader::GetCause () const
{
return m_cause;
}
void
EpcX2HandoverRequestHeader::SetCause (uint16_t cause)
{
m_cause = cause;
}
uint16_t
EpcX2HandoverRequestHeader::GetTargetCellId () const
{
return m_targetCellId;
}
void
EpcX2HandoverRequestHeader::SetTargetCellId (uint16_t targetCellId)
{
m_targetCellId = targetCellId;
}
uint32_t
EpcX2HandoverRequestHeader::GetMmeUeS1apId () const
{
return m_mmeUeS1apId;
}
void
EpcX2HandoverRequestHeader::SetMmeUeS1apId (uint32_t mmeUeS1apId)
{
m_mmeUeS1apId = mmeUeS1apId;
}
std::vector <EpcX2Sap::ErabToBeSetupItem>
EpcX2HandoverRequestHeader::GetBearers () const
{
return m_erabsToBeSetupList;
}
void
EpcX2HandoverRequestHeader::SetBearers (std::vector <EpcX2Sap::ErabToBeSetupItem> bearers)
{
m_headerLength += 48 * bearers.size ();
m_erabsToBeSetupList = bearers;
}
uint64_t
EpcX2HandoverRequestHeader::GetUeAggregateMaxBitRateDownlink () const
{
return m_ueAggregateMaxBitRateDownlink;
}
void
EpcX2HandoverRequestHeader::SetUeAggregateMaxBitRateDownlink (uint64_t bitRate)
{
m_ueAggregateMaxBitRateDownlink = bitRate;
}
uint64_t
EpcX2HandoverRequestHeader::GetUeAggregateMaxBitRateUplink () const
{
return m_ueAggregateMaxBitRateUplink;
}
void
EpcX2HandoverRequestHeader::SetUeAggregateMaxBitRateUplink (uint64_t bitRate)
{
m_ueAggregateMaxBitRateUplink = bitRate;
}
uint32_t
EpcX2HandoverRequestHeader::GetLengthOfIes () const
{
return m_headerLength;
}
uint32_t
EpcX2HandoverRequestHeader::GetNumberOfIes () const
{
return m_numberOfIes;
}
/////////////////////////////////////////////////////////////////////
NS_OBJECT_ENSURE_REGISTERED (EpcX2HandoverRequestAckHeader);
EpcX2HandoverRequestAckHeader::EpcX2HandoverRequestAckHeader ()
: m_numberOfIes (1 + 1 + 1 + 1),
m_headerLength (2 + 2 + 4 + 4),
m_oldEnbUeX2apId (0xfffa),
m_newEnbUeX2apId (0xfffa)
{
}
EpcX2HandoverRequestAckHeader::~EpcX2HandoverRequestAckHeader ()
{
m_numberOfIes = 0;
m_headerLength = 0;
m_oldEnbUeX2apId = 0xfffb;
m_newEnbUeX2apId = 0xfffb;
m_erabsAdmittedList.clear ();
m_erabsNotAdmittedList.clear ();
}
TypeId
EpcX2HandoverRequestAckHeader::GetTypeId (void)
{
static TypeId tid = TypeId ("ns3::EpcX2HandoverRequestAckHeader")
.SetParent<Header> ()
.SetGroupName("Lte")
.AddConstructor<EpcX2HandoverRequestAckHeader> ()
;
return tid;
}
TypeId
EpcX2HandoverRequestAckHeader::GetInstanceTypeId (void) const
{
return GetTypeId ();
}
uint32_t
EpcX2HandoverRequestAckHeader::GetSerializedSize (void) const
{
return m_headerLength;
}
void
EpcX2HandoverRequestAckHeader::Serialize (Buffer::Iterator start) const
{
Buffer::Iterator i = start;
i.WriteHtonU16 (m_oldEnbUeX2apId);
i.WriteHtonU16 (m_newEnbUeX2apId);
std::vector <EpcX2Sap::ErabAdmittedItem>::size_type sz = m_erabsAdmittedList.size ();
i.WriteHtonU32 (sz);
for (int j = 0; j < (int) sz; j++)
{
i.WriteHtonU16 (m_erabsAdmittedList [j].erabId);
i.WriteHtonU32 (m_erabsAdmittedList [j].ulGtpTeid);
i.WriteHtonU32 (m_erabsAdmittedList [j].dlGtpTeid);
}
std::vector <EpcX2Sap::ErabNotAdmittedItem>::size_type sz2 = m_erabsNotAdmittedList.size ();
i.WriteHtonU32 (sz2);
for (int j = 0; j < (int) sz2; j++)
{
i.WriteHtonU16 (m_erabsNotAdmittedList [j].erabId);
i.WriteHtonU16 (m_erabsNotAdmittedList [j].cause);
}
}
uint32_t
EpcX2HandoverRequestAckHeader::Deserialize (Buffer::Iterator start)
{
Buffer::Iterator i = start;
m_headerLength = 0;
m_numberOfIes = 0;
m_oldEnbUeX2apId = i.ReadNtohU16 ();
m_newEnbUeX2apId = i.ReadNtohU16 ();
m_headerLength += 4;
m_numberOfIes += 2;
int sz = i.ReadNtohU32 ();
m_headerLength += 4;
m_numberOfIes++;
for (int j = 0; j < sz; j++)
{
EpcX2Sap::ErabAdmittedItem erabItem;
erabItem.erabId = i.ReadNtohU16 ();
erabItem.ulGtpTeid = i.ReadNtohU32 ();
erabItem.dlGtpTeid = i.ReadNtohU32 ();
m_erabsAdmittedList.push_back (erabItem);
m_headerLength += 10;
}
sz = i.ReadNtohU32 ();
m_headerLength += 4;
m_numberOfIes++;
for (int j = 0; j < sz; j++)
{
EpcX2Sap::ErabNotAdmittedItem erabItem;
erabItem.erabId = i.ReadNtohU16 ();
erabItem.cause = i.ReadNtohU16 ();
m_erabsNotAdmittedList.push_back (erabItem);
m_headerLength += 4;
}
return GetSerializedSize ();
}
void
EpcX2HandoverRequestAckHeader::Print (std::ostream &os) const
{
os << "OldEnbUeX2apId=" << m_oldEnbUeX2apId;
os << " NewEnbUeX2apId=" << m_newEnbUeX2apId;
os << " AdmittedBearers=" << m_erabsAdmittedList.size ();
std::vector <EpcX2Sap::ErabAdmittedItem>::size_type sz = m_erabsAdmittedList.size ();
if (sz > 0)
{
os << " [";
}
for (int j = 0; j < (int) sz; j++)
{
os << m_erabsAdmittedList[j].erabId;
if (j < (int) sz - 1)
{
os << ", ";
}
else
{
os << "]";
}
}
os << " NotAdmittedBearers=" << m_erabsNotAdmittedList.size ();
std::vector <EpcX2Sap::ErabNotAdmittedItem>::size_type sz2 = m_erabsNotAdmittedList.size ();
if (sz2 > 0)
{
os << " [";
}
for (int j = 0; j < (int) sz2; j++)
{
os << m_erabsNotAdmittedList[j].erabId;
if (j < (int) sz2 - 1)
{
os << ", ";
}
else
{
os << "]";
}
}
}
uint16_t
EpcX2HandoverRequestAckHeader::GetOldEnbUeX2apId () const
{
return m_oldEnbUeX2apId;
}
void
EpcX2HandoverRequestAckHeader::SetOldEnbUeX2apId (uint16_t x2apId)
{
m_oldEnbUeX2apId = x2apId;
}
uint16_t
EpcX2HandoverRequestAckHeader::GetNewEnbUeX2apId () const
{
return m_newEnbUeX2apId;
}
void
EpcX2HandoverRequestAckHeader::SetNewEnbUeX2apId (uint16_t x2apId)
{
m_newEnbUeX2apId = x2apId;
}
std::vector <EpcX2Sap::ErabAdmittedItem>
EpcX2HandoverRequestAckHeader::GetAdmittedBearers () const
{
return m_erabsAdmittedList;
}
void
EpcX2HandoverRequestAckHeader::SetAdmittedBearers (std::vector <EpcX2Sap::ErabAdmittedItem> bearers)
{
m_headerLength += 10 * bearers.size ();
m_erabsAdmittedList = bearers;
}
std::vector <EpcX2Sap::ErabNotAdmittedItem>
EpcX2HandoverRequestAckHeader::GetNotAdmittedBearers () const
{
return m_erabsNotAdmittedList;
}
void
EpcX2HandoverRequestAckHeader::SetNotAdmittedBearers (std::vector <EpcX2Sap::ErabNotAdmittedItem> bearers)
{
m_headerLength += 4 * bearers.size ();
m_erabsNotAdmittedList = bearers;
}
uint32_t
EpcX2HandoverRequestAckHeader::GetLengthOfIes () const
{
return m_headerLength;
}
uint32_t
EpcX2HandoverRequestAckHeader::GetNumberOfIes () const
{
return m_numberOfIes;
}
/////////////////////////////////////////////////////////////////////
NS_OBJECT_ENSURE_REGISTERED (EpcX2HandoverPreparationFailureHeader);
EpcX2HandoverPreparationFailureHeader::EpcX2HandoverPreparationFailureHeader ()
: m_numberOfIes (1 + 1 + 1),
m_headerLength (2 + 2 + 2),
m_oldEnbUeX2apId (0xfffa),
m_cause (0xfffa),
m_criticalityDiagnostics (0xfffa)
{
}
EpcX2HandoverPreparationFailureHeader::~EpcX2HandoverPreparationFailureHeader ()
{
m_numberOfIes = 0;
m_headerLength = 0;
m_oldEnbUeX2apId = 0xfffb;
m_cause = 0xfffb;
m_criticalityDiagnostics = 0xfffb;
}
TypeId
EpcX2HandoverPreparationFailureHeader::GetTypeId (void)
{
static TypeId tid = TypeId ("ns3::EpcX2HandoverPreparationFailureHeader")
.SetParent<Header> ()
.SetGroupName("Lte")
.AddConstructor<EpcX2HandoverPreparationFailureHeader> ()
;
return tid;
}
TypeId
EpcX2HandoverPreparationFailureHeader::GetInstanceTypeId (void) const
{
return GetTypeId ();
}
uint32_t
EpcX2HandoverPreparationFailureHeader::GetSerializedSize (void) const
{
return m_headerLength;
}
void
EpcX2HandoverPreparationFailureHeader::Serialize (Buffer::Iterator start) const
{
Buffer::Iterator i = start;
i.WriteHtonU16 (m_oldEnbUeX2apId);
i.WriteHtonU16 (m_cause);
i.WriteHtonU16 (m_criticalityDiagnostics);
}
uint32_t
EpcX2HandoverPreparationFailureHeader::Deserialize (Buffer::Iterator start)
{
Buffer::Iterator i = start;
m_oldEnbUeX2apId = i.ReadNtohU16 ();
m_cause = i.ReadNtohU16 ();
m_criticalityDiagnostics = i.ReadNtohU16 ();
m_headerLength = 6;
m_numberOfIes = 3;
return GetSerializedSize ();
}
void
EpcX2HandoverPreparationFailureHeader::Print (std::ostream &os) const
{
os << "OldEnbUeX2apId = " << m_oldEnbUeX2apId;
os << " Cause = " << m_cause;
os << " CriticalityDiagnostics = " << m_criticalityDiagnostics;
}
uint16_t
EpcX2HandoverPreparationFailureHeader::GetOldEnbUeX2apId () const
{
return m_oldEnbUeX2apId;
}
void
EpcX2HandoverPreparationFailureHeader::SetOldEnbUeX2apId (uint16_t x2apId)
{
m_oldEnbUeX2apId = x2apId;
}
uint16_t
EpcX2HandoverPreparationFailureHeader::GetCause () const
{
return m_cause;
}
void
EpcX2HandoverPreparationFailureHeader::SetCause (uint16_t cause)
{
m_cause = cause;
}
uint16_t
EpcX2HandoverPreparationFailureHeader::GetCriticalityDiagnostics () const
{
return m_criticalityDiagnostics;
}
void
EpcX2HandoverPreparationFailureHeader::SetCriticalityDiagnostics (uint16_t criticalityDiagnostics)
{
m_criticalityDiagnostics = criticalityDiagnostics;
}
uint32_t
EpcX2HandoverPreparationFailureHeader::GetLengthOfIes () const
{
return m_headerLength;
}
uint32_t
EpcX2HandoverPreparationFailureHeader::GetNumberOfIes () const
{
return m_numberOfIes;
}
/////////////////////////////////////////////////////////////////////
NS_OBJECT_ENSURE_REGISTERED (EpcX2SnStatusTransferHeader);
EpcX2SnStatusTransferHeader::EpcX2SnStatusTransferHeader ()
: m_numberOfIes (3),
m_headerLength (6),
m_oldEnbUeX2apId (0xfffa),
m_newEnbUeX2apId (0xfffa)
{
m_erabsSubjectToStatusTransferList.clear ();
}
EpcX2SnStatusTransferHeader::~EpcX2SnStatusTransferHeader ()
{
m_numberOfIes = 0;
m_headerLength = 0;
m_oldEnbUeX2apId = 0xfffb;
m_newEnbUeX2apId = 0xfffb;
m_erabsSubjectToStatusTransferList.clear ();
}
TypeId
EpcX2SnStatusTransferHeader::GetTypeId (void)
{
static TypeId tid = TypeId ("ns3::EpcX2SnStatusTransferHeader")
.SetParent<Header> ()
.SetGroupName("Lte")
.AddConstructor<EpcX2SnStatusTransferHeader> ()
;
return tid;
}
TypeId
EpcX2SnStatusTransferHeader::GetInstanceTypeId (void) const
{
return GetTypeId ();
}
uint32_t
EpcX2SnStatusTransferHeader::GetSerializedSize (void) const
{
return m_headerLength;
}
void
EpcX2SnStatusTransferHeader::Serialize (Buffer::Iterator start) const
{
Buffer::Iterator i = start;
i.WriteHtonU16 (m_oldEnbUeX2apId);
i.WriteHtonU16 (m_newEnbUeX2apId);
std::vector <EpcX2Sap::ErabsSubjectToStatusTransferItem>::size_type sz = m_erabsSubjectToStatusTransferList.size ();
i.WriteHtonU16 (sz); // number of ErabsSubjectToStatusTransferItems
for (int j = 0; j < (int) sz; j++)
{
EpcX2Sap::ErabsSubjectToStatusTransferItem item = m_erabsSubjectToStatusTransferList [j];
i.WriteHtonU16 (item.erabId);
uint16_t bitsetSize = EpcX2Sap::m_maxPdcpSn / 64;
for (int k = 0; k < bitsetSize; k++)
{
uint64_t statusValue = 0;
for (int m = 0; m < 64; m++)
{
statusValue |= item.receiveStatusOfUlPdcpSdus[64 * k + m] << m;
}
i.WriteHtonU64 (statusValue);
}
i.WriteHtonU16 (item.ulPdcpSn);
i.WriteHtonU32 (item.ulHfn);
i.WriteHtonU16 (item.dlPdcpSn);
i.WriteHtonU32 (item.dlHfn);
}
}
uint32_t
EpcX2SnStatusTransferHeader::Deserialize (Buffer::Iterator start)
{
Buffer::Iterator i = start;
m_oldEnbUeX2apId = i.ReadNtohU16 ();
m_newEnbUeX2apId = i.ReadNtohU16 ();
int sz = i.ReadNtohU16 ();
m_numberOfIes = 3;
m_headerLength = 6 + sz * (14 + (EpcX2Sap::m_maxPdcpSn / 64));
for (int j = 0; j < sz; j++)
{
EpcX2Sap::ErabsSubjectToStatusTransferItem ErabItem;
ErabItem.erabId = i.ReadNtohU16 ();
uint16_t bitsetSize = EpcX2Sap::m_maxPdcpSn / 64;
for (int k = 0; k < bitsetSize; k++)
{
uint64_t statusValue = i.ReadNtohU64 ();
for (int m = 0; m < 64; m++)
{
ErabItem.receiveStatusOfUlPdcpSdus[64 * k + m] = (statusValue >> m) & 1;
}
}
ErabItem.ulPdcpSn = i.ReadNtohU16 ();
ErabItem.ulHfn = i.ReadNtohU32 ();
ErabItem.dlPdcpSn = i.ReadNtohU16 ();
ErabItem.dlHfn = i.ReadNtohU32 ();
m_erabsSubjectToStatusTransferList.push_back (ErabItem);
}
return GetSerializedSize ();
}
void
EpcX2SnStatusTransferHeader::Print (std::ostream &os) const
{
os << "OldEnbUeX2apId = " << m_oldEnbUeX2apId;
os << " NewEnbUeX2apId = " << m_newEnbUeX2apId;
os << " ErabsSubjectToStatusTransferList size = " << m_erabsSubjectToStatusTransferList.size ();
std::vector <EpcX2Sap::ErabsSubjectToStatusTransferItem>::size_type sz = m_erabsSubjectToStatusTransferList.size ();
if (sz > 0)
{
os << " [";
}
for (int j = 0; j < (int) sz; j++)
{
os << m_erabsSubjectToStatusTransferList[j].erabId;
if (j < (int) sz - 1)
{
os << ", ";
}
else
{
os << "]";
}
}
}
uint16_t
EpcX2SnStatusTransferHeader::GetOldEnbUeX2apId () const
{
return m_oldEnbUeX2apId;
}
void
EpcX2SnStatusTransferHeader::SetOldEnbUeX2apId (uint16_t x2apId)
{
m_oldEnbUeX2apId = x2apId;
}
uint16_t
EpcX2SnStatusTransferHeader::GetNewEnbUeX2apId () const
{
return m_newEnbUeX2apId;
}
void
EpcX2SnStatusTransferHeader::SetNewEnbUeX2apId (uint16_t x2apId)
{
m_newEnbUeX2apId = x2apId;
}
std::vector <EpcX2Sap::ErabsSubjectToStatusTransferItem>
EpcX2SnStatusTransferHeader::GetErabsSubjectToStatusTransferList () const
{
return m_erabsSubjectToStatusTransferList;
}
void
EpcX2SnStatusTransferHeader::SetErabsSubjectToStatusTransferList (std::vector <EpcX2Sap::ErabsSubjectToStatusTransferItem> erabs)
{
m_headerLength += erabs.size () * (14 + (EpcX2Sap::m_maxPdcpSn / 8));
m_erabsSubjectToStatusTransferList = erabs;
}
uint32_t
EpcX2SnStatusTransferHeader::GetLengthOfIes () const
{
return m_headerLength;
}
uint32_t
EpcX2SnStatusTransferHeader::GetNumberOfIes () const
{
return m_numberOfIes;
}
/////////////////////////////////////////////////////////////////////
NS_OBJECT_ENSURE_REGISTERED (EpcX2UeContextReleaseHeader);
EpcX2UeContextReleaseHeader::EpcX2UeContextReleaseHeader ()
: m_numberOfIes (1 + 1),
m_headerLength (2 + 2),
m_oldEnbUeX2apId (0xfffa),
m_newEnbUeX2apId (0xfffa)
{
}
EpcX2UeContextReleaseHeader::~EpcX2UeContextReleaseHeader ()
{
m_numberOfIes = 0;
m_headerLength = 0;
m_oldEnbUeX2apId = 0xfffb;
m_newEnbUeX2apId = 0xfffb;
}
TypeId