A Discrete-Event Network Simulator
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TcpVegasTest Class Reference

TcpVegas congestion control algorithm test. More...

+ Inheritance diagram for TcpVegasTest:
+ Collaboration diagram for TcpVegasTest:

Public Member Functions

 TcpVegasTest (uint32_t cWnd, uint32_t segmentSize, uint32_t ssThresh, Time rtt, uint32_t segmentsAcked, SequenceNumber32 nextTxSeq, SequenceNumber32 lastAckedSeq, const std::string &name)
 Constructor.
 
- Public Member Functions inherited from ns3::TestCase
 TestCase (const TestCase &)=delete
 
virtual ~TestCase ()
 Destructor.
 
std::string GetName () const
 
TestCaseoperator= (const TestCase &)=delete
 

Private Member Functions

void DoRun () override
 Implementation to actually run this TestCase.
 
void GetSsThresh (Ptr< TcpVegas > cong)
 brief Get and check the SSH threshold.
 
void IncreaseWindow (Ptr< TcpVegas > cong)
 Increases the TCP window.
 

Private Attributes

uint32_t m_cWnd
 Congestion window.
 
SequenceNumber32 m_lastAckedSeq
 Last ACKed sequence number.
 
SequenceNumber32 m_nextTxSeq
 Next Tx sequence number.
 
Time m_rtt
 RTT.
 
uint32_t m_segmentsAcked
 Number of segments ACKed.
 
uint32_t m_segmentSize
 Segment size.
 
uint32_t m_ssThresh
 Slow Start Threshold.
 
Ptr< TcpSocketStatem_state
 TCP socket state.
 

Additional Inherited Members

- Public Types inherited from ns3::TestCase
enum  TestDuration { QUICK = 1 , EXTENSIVE = 2 , TAKES_FOREVER = 3 }
 How long the test takes to execute. More...
 
- Protected Member Functions inherited from ns3::TestCase
 TestCase (std::string name)
 Constructor.
 
void AddTestCase (TestCase *testCase, TestDuration duration=QUICK)
 Add an individual child TestCase to this test suite.
 
TestCaseGetParent () const
 Get the parent of this TestCase.
 
bool IsStatusFailure () const
 Check if any tests failed.
 
bool IsStatusSuccess () const
 Check if all tests passed.
 
void SetDataDir (std::string directory)
 Set the data directory where reference trace files can be found.
 
void ReportTestFailure (std::string cond, std::string actual, std::string limit, std::string message, std::string file, int32_t line)
 Log the failure of this TestCase.
 
bool MustAssertOnFailure () const
 Check if this run should assert on failure.
 
bool MustContinueOnFailure () const
 Check if this run should continue on failure.
 
std::string CreateDataDirFilename (std::string filename)
 Construct the full path to a file in the data directory.
 
std::string CreateTempDirFilename (std::string filename)
 Construct the full path to a file in a temporary directory.
 

Detailed Description

TcpVegas congestion control algorithm test.

Definition at line 39 of file tcp-vegas-test.cc.

Constructor & Destructor Documentation

◆ TcpVegasTest()

TcpVegasTest::TcpVegasTest ( uint32_t  cWnd,
uint32_t  segmentSize,
uint32_t  ssThresh,
Time  rtt,
uint32_t  segmentsAcked,
SequenceNumber32  nextTxSeq,
SequenceNumber32  lastAckedSeq,
const std::string &  name 
)

Constructor.

Parameters
cWndCongestion window.
segmentSizeSegment size.
ssThreshSlow Start Threshold.
rttThe RTT.
segmentsAckedNumber of segments ACKed.
nextTxSeqNext Tx sequence number.
lastAckedSeqLast ACKed sequence number.
nameTest description.

Definition at line 86 of file tcp-vegas-test.cc.

Member Function Documentation

◆ DoRun()

void TcpVegasTest::DoRun ( )
overrideprivatevirtual

◆ GetSsThresh()

void TcpVegasTest::GetSsThresh ( Ptr< TcpVegas cong)
private

brief Get and check the SSH threshold.

Parameters
congThe congestion control.

Definition at line 198 of file tcp-vegas-test.cc.

References m_cWnd, m_segmentSize, and m_ssThresh.

Referenced by IncreaseWindow().

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◆ IncreaseWindow()

void TcpVegasTest::IncreaseWindow ( Ptr< TcpVegas cong)
private

Increases the TCP window.

Parameters
congThe congestion control.

Definition at line 143 of file tcp-vegas-test.cc.

References ns3::UintegerValue::Get(), ns3::Time::GetMilliSeconds(), GetSsThresh(), m_cWnd, m_rtt, m_segmentsAcked, m_segmentSize, m_ssThresh, and ns3::MilliSeconds().

Referenced by DoRun().

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Member Data Documentation

◆ m_cWnd

uint32_t TcpVegasTest::m_cWnd
private

Congestion window.

Definition at line 75 of file tcp-vegas-test.cc.

Referenced by DoRun(), GetSsThresh(), and IncreaseWindow().

◆ m_lastAckedSeq

SequenceNumber32 TcpVegasTest::m_lastAckedSeq
private

Last ACKed sequence number.

Definition at line 81 of file tcp-vegas-test.cc.

Referenced by DoRun().

◆ m_nextTxSeq

SequenceNumber32 TcpVegasTest::m_nextTxSeq
private

Next Tx sequence number.

Definition at line 80 of file tcp-vegas-test.cc.

Referenced by DoRun().

◆ m_rtt

Time TcpVegasTest::m_rtt
private

RTT.

Definition at line 78 of file tcp-vegas-test.cc.

Referenced by DoRun(), and IncreaseWindow().

◆ m_segmentsAcked

uint32_t TcpVegasTest::m_segmentsAcked
private

Number of segments ACKed.

Definition at line 79 of file tcp-vegas-test.cc.

Referenced by DoRun(), and IncreaseWindow().

◆ m_segmentSize

uint32_t TcpVegasTest::m_segmentSize
private

Segment size.

Definition at line 76 of file tcp-vegas-test.cc.

Referenced by DoRun(), GetSsThresh(), and IncreaseWindow().

◆ m_ssThresh

uint32_t TcpVegasTest::m_ssThresh
private

Slow Start Threshold.

Definition at line 77 of file tcp-vegas-test.cc.

Referenced by DoRun(), GetSsThresh(), and IncreaseWindow().

◆ m_state

Ptr<TcpSocketState> TcpVegasTest::m_state
private

TCP socket state.

Definition at line 83 of file tcp-vegas-test.cc.

Referenced by DoRun().


The documentation for this class was generated from the following file: