TcpYeahIncrementTest Class Reference

Testing TcpYeah additive increase algorithm. More...

Inheritance diagram for TcpYeahIncrementTest:

Collaboration diagram for TcpYeahIncrementTest:

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

Private Member Functions
void	DoRun () override
	Implementation to actually run this TestCase.
void	IncreaseWindow (Ptr< TcpYeah > cong)
	Increases the TCP window.

Private Attributes
Time	m_baseRtt
	Base RTT.
uint32_t	m_cntRtt
	RTT counter.
uint32_t	m_cWnd
	Congestion window.
uint32_t	m_doingRenoNow
	TCP Reno fallback.
SequenceNumber32	m_lastAckedSeq
	Last ACKed sequence number.
Time	m_minRtt
	Min RTT.
SequenceNumber32	m_nextTxSeq
	Next Tx sequence number.
uint32_t	m_renoCount
	Reno counter.
uint32_t	m_segmentsAcked
	Number of segments ACKed.
uint32_t	m_segmentSize
	Segment size.
uint32_t	m_ssThresh
	Slow Start Threshold.

Additional Inherited Members
Public Types inherited from ns3::TestCase
enum class	Duration { QUICK = 1 , EXTENSIVE = 2 , TAKES_FOREVER = 3 }
	How long the test takes to execute. More...
Static Public Attributes inherited from ns3::TestCase
static constexpr auto	QUICK = Duration::QUICK
	Deprecated test duration simple enums.
static constexpr auto	EXTENSIVE = Duration::EXTENSIVE
static constexpr auto	TAKES_FOREVER = Duration::TAKES_FOREVER
Protected Member Functions inherited from ns3::TestCase
	TestCase (std::string name)
	Constructor.
void	AddTestCase (TestCase *testCase, Duration duration=Duration::QUICK)
	Add an individual child TestCase to this test suite.
TestCase *	GetParent () 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

Testing TcpYeah additive increase algorithm.

Definition at line 30 of file tcp-yeah-test.cc.

Constructor & Destructor Documentation

TcpYeahIncrementTest()

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

Constructor.

Parameters

cWnd	Congestion window.
ssThresh	Slow Start Threshold.
segmentSize	Segment size.
nextTxSeq	Next Tx sequence number.
lastAckedSeq	Last ACKed sequence number.
segmentsAcked	Number of segments ACKed.
minRtt	Minimum RTT.
name	Test description.

Definition at line 74 of file tcp-yeah-test.cc.

Member Function Documentation

DoRun()

void TcpYeahIncrementTest::DoRun ( )

overrideprivatevirtual

Implementation to actually run this TestCase.

Subclasses should override this method to conduct their tests.

Implements ns3::TestCase.

Definition at line 98 of file tcp-yeah-test.cc.

References ns3::TcpSocketState::CA_OPEN, ns3::CreateObject(), IncreaseWindow(), m_baseRtt, m_cWnd, m_lastAckedSeq, m_minRtt, m_nextTxSeq, m_segmentsAcked, m_segmentSize, m_ssThresh, and NS_TEST_ASSERT_MSG_EQ.

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IncreaseWindow()

void TcpYeahIncrementTest::IncreaseWindow ( Ptr< TcpYeah > cong )

private

Increases the TCP window.

Parameters

cong	The congestion control.

Definition at line 128 of file tcp-yeah-test.cc.

References epsilon, ns3::UintegerValue::Get(), ns3::Time::GetSeconds(), m_baseRtt, m_cntRtt, m_cWnd, m_doingRenoNow, m_lastAckedSeq, m_minRtt, m_nextTxSeq, m_renoCount, m_segmentsAcked, m_segmentSize, m_ssThresh, and NS_LOG_INFO.

Referenced by DoRun().

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Member Data Documentation

m_baseRtt

Time TcpYeahIncrementTest::m_baseRtt

private

Base RTT.

Definition at line 67 of file tcp-yeah-test.cc.

Referenced by DoRun(), and IncreaseWindow().

m_cntRtt

uint32_t TcpYeahIncrementTest::m_cntRtt

private

RTT counter.

Definition at line 70 of file tcp-yeah-test.cc.

Referenced by IncreaseWindow().

m_cWnd

uint32_t TcpYeahIncrementTest::m_cWnd

private

Congestion window.

Definition at line 61 of file tcp-yeah-test.cc.

Referenced by DoRun(), and IncreaseWindow().

m_doingRenoNow

uint32_t TcpYeahIncrementTest::m_doingRenoNow

private

TCP Reno fallback.

Definition at line 69 of file tcp-yeah-test.cc.

Referenced by IncreaseWindow().

m_lastAckedSeq

SequenceNumber32 TcpYeahIncrementTest::m_lastAckedSeq

private

Last ACKed sequence number.

Definition at line 65 of file tcp-yeah-test.cc.

Referenced by DoRun(), and IncreaseWindow().

m_minRtt

Time TcpYeahIncrementTest::m_minRtt

private

Min RTT.

Definition at line 68 of file tcp-yeah-test.cc.

Referenced by DoRun(), and IncreaseWindow().

m_nextTxSeq

SequenceNumber32 TcpYeahIncrementTest::m_nextTxSeq

private

Next Tx sequence number.

Definition at line 64 of file tcp-yeah-test.cc.

Referenced by DoRun(), and IncreaseWindow().

m_renoCount

uint32_t TcpYeahIncrementTest::m_renoCount

private

Reno counter.

Definition at line 71 of file tcp-yeah-test.cc.

Referenced by IncreaseWindow().

m_segmentsAcked

uint32_t TcpYeahIncrementTest::m_segmentsAcked

private

Number of segments ACKed.

Definition at line 66 of file tcp-yeah-test.cc.

Referenced by DoRun(), and IncreaseWindow().

m_segmentSize

uint32_t TcpYeahIncrementTest::m_segmentSize

private

Segment size.

Definition at line 63 of file tcp-yeah-test.cc.

Referenced by DoRun(), and IncreaseWindow().

m_ssThresh

uint32_t TcpYeahIncrementTest::m_ssThresh

private

Slow Start Threshold.

Definition at line 62 of file tcp-yeah-test.cc.

Referenced by DoRun(), and IncreaseWindow().

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

• src/internet/test/tcp-yeah-test.cc