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Added GTPU-v1 header implementation and test case trying header coding and decoding.

ndnSIM-v1
jnin 14 years ago
parent
ace96d7ed7
commit
25a28cfd40
5 changed files with 510 additions and 0 deletions
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  1. 277
      src/lte/model/epc-gtpu-v1.cc
  2. 89
      src/lte/model/epc-gtpu-v1.h
  3. 86
      src/lte/test/epc-test-gtpu-v1.cc
  4. 53
      src/lte/test/epc-test-gtpu-v1.h
  5. 5
      src/lte/wscript

277
src/lte/model/epc-gtpu-v1.cc
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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2011 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: Jaume Nin <jnin@cttc.cat>
*/
#include "epc-gtpu-v1.h"
#include "ns3/packet.h"
namespace ns3
{
/********************************************************
* GTP-U-v1 Header
********************************************************/
NS_OBJECT_ENSURE_REGISTERED (GtpuHeader);
TypeId
GtpuHeader::GetTypeId (void)
{
static TypeId tid =
TypeId("ns3::GtpuHeader") .SetParent<Header> () .AddConstructor<
GtpuHeader> ();
return tid;
}
GtpuHeader::GtpuHeader () :
m_version(1), m_protocolType(true), m_extensionHeaderFlag(false),
m_sequenceNumberFlag(false), m_nPduNumberFlag(false), m_messageType(0),
m_length(0), m_teid(0), m_sequenceNumber(0), m_nPduNumber(0),
m_nextExtensionType(0)
{
}
GtpuHeader::~GtpuHeader ()
{
}
TypeId
GtpuHeader::GetInstanceTypeId (void) const
{
return GetTypeId();
}
uint32_t
GtpuHeader::GetSerializedSize (void) const
{
return 12;
}
void
GtpuHeader::Serialize (Buffer::Iterator start) const
{
Buffer::Iterator i = start;
uint8_t firstByte = m_version << 5 | m_protocolType << 4 | 0x1 << 3;
firstByte |= m_extensionHeaderFlag << 2 | m_sequenceNumberFlag << 1 | m_nPduNumberFlag;
i.WriteU8(firstByte);
i.WriteU8(m_messageType);
i.WriteHtonU16 (m_length);
i.WriteHtonU32 (m_teid);
i.WriteHtonU16 (m_sequenceNumber);
i.WriteU8 (m_nPduNumber);
i.WriteU8 (m_nextExtensionType);
}
uint32_t
GtpuHeader::Deserialize (Buffer::Iterator start)
{
uint8_t firstByte = start.ReadU8 ();
m_version = firstByte >> 5 & 0x7;
m_protocolType = firstByte >> 4 & 0x1;
m_extensionHeaderFlag = firstByte >> 2 & 0x1;
m_sequenceNumberFlag = firstByte >> 1 & 0x1;
m_nPduNumberFlag = firstByte & 0x1;
m_messageType = start.ReadU8 ();
m_length = start.ReadNtohU16 ();
m_teid= start.ReadNtohU32 ();
m_sequenceNumber= start.ReadNtohU16 ();
m_nPduNumber= start.ReadU8 ();
m_nextExtensionType= start.ReadU8 ();
return 4;
}
void
GtpuHeader::Print (std::ostream &os) const
{
os << "version=" << (uint32_t) m_version << " [";
if (m_protocolType)
{
os << " PT ";
}
if (m_extensionHeaderFlag)
{
os << " E ";
}
if (m_sequenceNumberFlag)
{
os << " S ";
}
if (m_nPduNumberFlag)
{
os << " PN ";
}
os << "], messageType=" << (uint32_t) m_messageType << ", length=" << (uint32_t) m_length;
os << ", teid=" << (uint32_t) m_teid<< ", sequenceNumber=" << (uint32_t) m_sequenceNumber;
os << ", nPduNumber=" << (uint32_t) m_nPduNumber << ", nextExtensionType=" << (uint32_t) m_nextExtensionType;
}
bool
GtpuHeader::GetExtensionHeaderFlag () const
{
return m_extensionHeaderFlag;
}
uint16_t
GtpuHeader::GetLength () const
{
return m_length;
}
uint8_t
GtpuHeader::GetMessageType () const
{
return m_messageType;
}
uint8_t
GtpuHeader::GetNPduNumber () const
{
return m_nPduNumber;
}
bool
GtpuHeader::GetNPduNumberFlag () const
{
return m_nPduNumberFlag;
}
uint8_t
GtpuHeader::GetNextExtensionType () const
{
return m_nextExtensionType;
}
bool
GtpuHeader::GetProtocolType () const
{
return m_protocolType;
}
uint16_t
GtpuHeader::GetSequenceNumber () const
{
return m_sequenceNumber;
}
bool
GtpuHeader::GetSequenceNumberFlag () const
{
return m_sequenceNumberFlag;
}
uint32_t
GtpuHeader::GetTeid () const
{
return m_teid;
}
uint8_t
GtpuHeader::GetVersion () const
{
return m_version;
}
void
GtpuHeader::SetExtensionHeaderFlag (bool m_extensionHeaderFlag)
{
this->m_extensionHeaderFlag = m_extensionHeaderFlag;
}
void
GtpuHeader::SetLength (uint16_t m_length)
{
this->m_length = m_length;
}
void
GtpuHeader::SetMessageType (uint8_t m_messageType)
{
this->m_messageType = m_messageType;
}
void
GtpuHeader::SetNPduNumber (uint8_t m_nPduNumber)
{
this->m_nPduNumber = m_nPduNumber;
}
void
GtpuHeader::SetNPduNumberFlag (bool m_nPduNumberFlag)
{
this->m_nPduNumberFlag = m_nPduNumberFlag;
}
void
GtpuHeader::SetNextExtensionType (uint8_t m_nextExtensionType)
{
this->m_nextExtensionType = m_nextExtensionType;
}
void
GtpuHeader::SetProtocolType (bool m_protocolType)
{
this->m_protocolType = m_protocolType;
}
void
GtpuHeader::SetSequenceNumber (uint16_t m_sequenceNumber)
{
this->m_sequenceNumber = m_sequenceNumber;
}
void
GtpuHeader::SetSequenceNumberFlag (bool m_sequenceNumberFlag)
{
this->m_sequenceNumberFlag = m_sequenceNumberFlag;
}
void
GtpuHeader::SetTeid (uint32_t m_teid)
{
this->m_teid = m_teid;
}
void
GtpuHeader::SetVersion (uint8_t m_version)
{
// m_version is a uint3_t
this->m_version = m_version & 0x7;
}
bool
GtpuHeader::operator ==(const GtpuHeader& b) const
{
if (m_version == b.m_version &&
m_protocolType == b.m_protocolType &&
m_extensionHeaderFlag == b.m_extensionHeaderFlag &&
m_sequenceNumberFlag == b.m_sequenceNumberFlag &&
m_nPduNumberFlag == b.m_nPduNumberFlag &&
m_messageType == b.m_messageType &&
m_length == b.m_length &&
m_teid == b.m_teid &&
m_sequenceNumber == b.m_sequenceNumber &&
m_nPduNumber == b.m_nPduNumber &&
m_nextExtensionType == b.m_nextExtensionType
)
{
return true;
}
return false;
}
} // namespace ns3

89
src/lte/model/epc-gtpu-v1.h
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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2011 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: Jaume Nin <jnin@cttc.cat>
*/
#ifndef EPS_GTPU_V1_H
#define EPS_GTPU_V1_H
#include "ns3/header.h"
#include "ns3/ptr.h"
#include "ns3/ipv4-header.h"
#include <stdint.h>
namespace ns3 {
class Packet;
class GtpuHeader : public Header
{
public:
static TypeId GetTypeId (void);
GtpuHeader ();
virtual ~GtpuHeader ();
virtual TypeId GetInstanceTypeId (void) const;
virtual uint32_t GetSerializedSize (void) const;
virtual void Serialize (Buffer::Iterator start) const;
virtual uint32_t Deserialize (Buffer::Iterator start);
virtual void Print (std::ostream &os) const;
bool GetExtensionHeaderFlag () const;
uint16_t GetLength () const;
uint8_t GetMessageType () const;
uint8_t GetNPduNumber () const;
bool GetNPduNumberFlag () const;
uint8_t GetNextExtensionType () const;
bool GetProtocolType () const;
uint16_t GetSequenceNumber () const;
bool GetSequenceNumberFlag () const;
uint32_t GetTeid () const;
uint8_t GetVersion () const;
void SetExtensionHeaderFlag (bool m_extensionHeaderFlag);
void SetLength (uint16_t m_length);
void SetMessageType (uint8_t m_messageType);
void SetNPduNumber (uint8_t m_nPduNumber);
void SetNPduNumberFlag (bool m_nPduNumberFlag);
void SetNextExtensionType (uint8_t m_nextExtensionType);
void SetProtocolType (bool m_protocolType);
void SetSequenceNumber (uint16_t m_sequenceNumber);
void SetSequenceNumberFlag (bool m_sequenceNumberFlag);
void SetTeid (uint32_t m_teid);
void SetVersion (uint8_t m_version);
bool operator == (const GtpuHeader& b) const;
private:
uint8_t m_version; // really a 3 uint3_t
bool m_protocolType;
bool m_extensionHeaderFlag;
bool m_sequenceNumberFlag;
bool m_nPduNumberFlag;
uint8_t m_messageType;
uint16_t m_length;
uint32_t m_teid;
uint16_t m_sequenceNumber;
uint8_t m_nPduNumber;
uint8_t m_nextExtensionType;
};
} // namespace ns3
#endif /* EPS_GTPU_V1_H */

86
src/lte/test/epc-test-gtpu-v1.cc
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@ -0,0 +1,86 @@
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2011 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: Jaume Nin <jaume.nin@cttc.cat>
*/
#include "ns3/log.h"
#include "ns3/object.h"
#include "ns3/packet.h"
#include "ns3/epc-gtpu-v1.h"
#include "ns3/epc-test-gtpu-v1.h"
NS_LOG_COMPONENT_DEFINE ("EpcGtpuTest");
using namespace ns3;
/**
* TestSuite
*/
EpsGtpuTestSuite::EpsGtpuTestSuite ()
: TestSuite ("epc-gtpu-v1", SYSTEM)
{
AddTestCase (new EpsGtpuHeaderTestCase ());
}
static EpsGtpuTestSuite epsGtpuTestSuite;
/**
* TestCase
*/
EpsGtpuHeaderTestCase::EpsGtpuHeaderTestCase ()
: TestCase ("Check header coding and decoding")
{
NS_LOG_INFO ("Creating EpsGtpuHeaderTestCase");
}
EpsGtpuHeaderTestCase::~EpsGtpuHeaderTestCase ()
{
}
void
EpsGtpuHeaderTestCase::DoRun (void)
{
LogLevel logLevel = (LogLevel)(LOG_PREFIX_FUNC | LOG_PREFIX_TIME | LOG_LEVEL_ALL);
LogComponentEnable ("EpcGtpuTest", logLevel);
GtpuHeader header1;
header1.SetExtensionHeaderFlag (true);
header1.SetLength (1234);
header1.SetMessageType (123);
header1.SetNPduNumber (123);
header1.SetNPduNumberFlag (true);
header1.SetNextExtensionType (123);
header1.SetProtocolType (true);
header1.SetSequenceNumber (1234);
header1.SetSequenceNumberFlag (true);
header1.SetTeid (1234567);
header1.SetVersion (123);
Packet p;
GtpuHeader header2;
p.AddHeader (header1);
p.RemoveHeader (header2);
NS_TEST_ASSERT_MSG_EQ (header1, header2, "Wrong value!");
}

53
src/lte/test/epc-test-gtpu-v1.h
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@ -0,0 +1,53 @@
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2011 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: Jaume Nin <jaume.nin@cttc.cat>
*/
#ifndef EPC_TEST_GTPU_V1_H
#define EPC_TEST_GTPU_V1_H
#include "ns3/epc-gtpu-v1.h"
#include "ns3/test.h"
using namespace ns3;
class EpsGtpuTestSuite : public TestSuite
{
public:
EpsGtpuTestSuite ();
};
/**
* Test 1.Check header coding and decoding
*/
class EpsGtpuHeaderTestCase : public TestCase
{
public:
EpsGtpuHeaderTestCase ();
virtual ~EpsGtpuHeaderTestCase ();
private:
virtual void DoRun (void);
};
#endif /* EPC_TEST_GTPU_V1_H */

5
src/lte/wscript
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@ -46,6 +46,7 @@ def build(bld):
'model/lte-interference.cc',
'model/lte-sinr-chunk-processor.cc',
'model/pf-ff-mac-scheduler.cc',
'model/epc-gtpu-v1.cc',
]
module_test = bld.create_ns3_module_test_library('lte')
@ -60,6 +61,7 @@ def build(bld):
'test/lte-test-pf-ff-mac-scheduler.cc',
'test/lte-test-earfcn.cc',
'test/lte-test-spectrum-value-helper.cc',
'test/epc-test-gtpu-v1.cc',
]
headers = bld.new_task_gen('ns3header')
@ -108,6 +110,7 @@ def build(bld):
'model/lte-interference.h',
'model/lte-sinr-chunk-processor.h',
'model/pf-ff-mac-scheduler.h',
'model/epc-gtpu-v1.h',
'test/lte-test-downlink-sinr.h',
'test/lte-test-uplink-sinr.h',
'test/lte-test-link-adaptation.h',
@ -116,6 +119,8 @@ def build(bld):
'test/lte-test-ue-phy.h',
'test/lte-test-rr-ff-mac-scheduler.h',
'test/lte-test-pf-ff-mac-scheduler.h',
'test/lte-test-pf-ff-mac-scheduler.h',
'test/epc-test-gtpu-v1.h',
]
if (bld.env['ENABLE_EXAMPLES']):

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