TcpRateLinuxWithBufferTest Class Reference

The TcpRateLinuxWithBufferTest tests rate sample functionality with arbitrary SACK scenario. More...

Inheritance diagram for TcpRateLinuxWithBufferTest:

Collaboration diagram for TcpRateLinuxWithBufferTest:

Public Member Functions
	TcpRateLinuxWithBufferTest (uint32_t segmentSize, std::string desc)
	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	DoTeardown () override
	Implementation to do any local setup required for this TestCase.
virtual void	RateSampleUpdatedTrace (const TcpRateLinux::TcpRateSample &sample)
	Track the rate sample value of TcpRateLinux.
virtual void	RateUpdatedTrace (const TcpRateLinux::TcpRateConnection &rate)
	Track the rate value of TcpRateLinux.
void	TestWithSackBlocks ()
	Test with arbitrary SACK scenario.
void	TestWithStraightAcks ()
	Test with acks without drop.

Private Attributes
uint32_t	m_expectedAckedSacked {0}
	Amount of expected acked sacked data.
uint32_t	m_expectedDelivered {0}
	Amount of expected delivered data.
Ptr< TcpRateOps >	m_rateOps
	Rate operations.
uint32_t	m_segmentSize
	Segment size.
TcpTxBuffer	m_txBuf
	Tcp Tx buffer.

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.
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

The TcpRateLinuxWithBufferTest tests rate sample functionality with arbitrary SACK scenario.

Check the value of delivered against a home-made guess

Definition at line 444 of file tcp-rate-ops-test.cc.

Constructor & Destructor Documentation

TcpRateLinuxWithBufferTest()

TcpRateLinuxWithBufferTest::TcpRateLinuxWithBufferTest	(	uint32_t	segmentSize,
		std::string	desc
	)

Constructor.

Parameters

segmentSize	Segment size to use.
desc	Description.

Definition at line 483 of file tcp-rate-ops-test.cc.

References m_rateOps, ns3::MakeCallback(), RateSampleUpdatedTrace(), RateUpdatedTrace(), and ns3::ObjectBase::TraceConnectWithoutContext().

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Member Function Documentation

DoRun()

void TcpRateLinuxWithBufferTest::DoRun ( )

overrideprivatevirtual

Implementation to actually run this TestCase.

Subclasses should override this method to conduct their tests.

Implements ns3::TestCase.

Definition at line 497 of file tcp-rate-ops-test.cc.

References ns3::Simulator::Destroy(), ns3::Simulator::Run(), ns3::Simulator::Schedule(), ns3::Seconds(), and TestWithSackBlocks().

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DoTeardown()

void TcpRateLinuxWithBufferTest::DoTeardown ( )

overrideprivatevirtual

Implementation to do any local setup required for this TestCase.

Subclasses should override this method to perform any costly per-test teardown

Reimplemented from ns3::TestCase.

Definition at line 591 of file tcp-rate-ops-test.cc.

RateSampleUpdatedTrace()

void TcpRateLinuxWithBufferTest::RateSampleUpdatedTrace ( const TcpRateLinux::TcpRateSample &  sample )

privatevirtual

Track the rate sample value of TcpRateLinux.

Parameters

sample

updated value of TcpRateSample.

Definition at line 514 of file tcp-rate-ops-test.cc.

References ns3::TcpRateOps::TcpRateSample::m_ackedSacked, m_expectedAckedSacked, NS_LOG_DEBUG, and NS_TEST_ASSERT_MSG_EQ.

Referenced by TcpRateLinuxWithBufferTest().

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RateUpdatedTrace()

void TcpRateLinuxWithBufferTest::RateUpdatedTrace ( const TcpRateLinux::TcpRateConnection &  rate )

privatevirtual

Track the rate value of TcpRateLinux.

Parameters

rate	updated value of TcpRate.

Definition at line 505 of file tcp-rate-ops-test.cc.

References ns3::TcpRateOps::TcpRateConnection::m_delivered, m_expectedDelivered, NS_LOG_DEBUG, and NS_TEST_ASSERT_MSG_EQ.

Referenced by TcpRateLinuxWithBufferTest().

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TestWithSackBlocks()

void TcpRateLinuxWithBufferTest::TestWithSackBlocks ( )

private

Test with arbitrary SACK scenario.

Definition at line 523 of file tcp-rate-ops-test.cc.

References ns3::TcpTxBuffer::Add(), ns3::TcpTxBuffer::BytesInFlight(), ns3::TcpTxBuffer::CopyFromSequence(), ns3::TcpTxBuffer::DiscardUpTo(), ns3::TcpRateOps::GenerateSample(), m_expectedAckedSacked, m_expectedDelivered, m_rateOps, m_segmentSize, m_txBuf, ns3::MakeCallback(), ns3::Seconds(), ns3::TcpTxBuffer::SetDupAckThresh(), ns3::TcpTxBuffer::SetHeadSequence(), ns3::TcpTxBuffer::SetSegmentSize(), ns3::TcpRateOps::SkbDelivered(), ns3::TcpRateOps::SkbSent(), and ns3::TcpTxBuffer::Update().

Referenced by DoRun().

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TestWithStraightAcks()

void TcpRateLinuxWithBufferTest::TestWithStraightAcks ( )

private

Test with acks without drop.

Member Data Documentation

m_expectedAckedSacked

uint32_t TcpRateLinuxWithBufferTest::m_expectedAckedSacked {0}

private

Amount of expected acked sacked data.

Definition at line 477 of file tcp-rate-ops-test.cc.

Referenced by RateSampleUpdatedTrace(), and TestWithSackBlocks().

m_expectedDelivered

uint32_t TcpRateLinuxWithBufferTest::m_expectedDelivered {0}

private

Amount of expected delivered data.

Definition at line 476 of file tcp-rate-ops-test.cc.

Referenced by RateUpdatedTrace(), and TestWithSackBlocks().

m_rateOps

Ptr<TcpRateOps> TcpRateLinuxWithBufferTest::m_rateOps

private

Rate operations.

Definition at line 480 of file tcp-rate-ops-test.cc.

Referenced by TcpRateLinuxWithBufferTest(), and TestWithSackBlocks().

m_segmentSize

uint32_t TcpRateLinuxWithBufferTest::m_segmentSize

private

Segment size.

Definition at line 478 of file tcp-rate-ops-test.cc.

Referenced by TestWithSackBlocks().

m_txBuf

TcpTxBuffer TcpRateLinuxWithBufferTest::m_txBuf

private

Tcp Tx buffer.

Definition at line 479 of file tcp-rate-ops-test.cc.

Referenced by TestWithSackBlocks().

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

• src/internet/test/tcp-rate-ops-test.cc