General infrastructure for TCP testing. More...

#include "tcp-general-test.h"

Inheritance diagram for ns3::TcpGeneralTest:

Collaboration diagram for ns3::TcpGeneralTest:

Public Types
enum	SocketWho { SENDER , RECEIVER }
	Used as parameter of methods, specifies on what node the caller is interested (e.g. More...

Public Types inherited from ns3::TestCase
enum	TestDuration { QUICK = 1 , EXTENSIVE = 2 , TAKES_FOREVER = 3 }
	How long the test takes to execute. More...

Public Member Functions
	TcpGeneralTest (const std::string &desc)
	TcpGeneralTest constructor. More...

	~TcpGeneralTest ()

Public Member Functions inherited from ns3::TestCase
	TestCase (const TestCase &)=delete

virtual	~TestCase ()
	Destructor. More...

std::string	GetName (void) const

TestCase &	operator= (const TestCase &)=delete

Protected Member Functions
virtual void	AfterRTOExpired ([[maybe_unused]] const Ptr< const TcpSocketState > tcb, [[maybe_unused]] SocketWho who)
	Rto has expired. More...

virtual void	BeforeRTOExpired ([[maybe_unused]] const Ptr< const TcpSocketState > tcb, [[maybe_unused]] SocketWho who)
	Rto has expired. More...

virtual void	BytesInFlightTrace ([[maybe_unused]] uint32_t oldValue, [[maybe_unused]] uint32_t newValue)
	Bytes in flight changes. More...

virtual void	ConfigureEnvironment (void)
	Change the configuration of the environment. More...

virtual void	ConfigureProperties (void)
	Change the configuration of the socket properties. More...

virtual void	CongStateTrace ([[maybe_unused]] const TcpSocketState::TcpCongState_t oldValue, [[maybe_unused]] const TcpSocketState::TcpCongState_t newValue)
	State on Ack state machine changes. More...

virtual Ptr< SimpleChannel >	CreateChannel ()
	Create and return the channel installed between the two socket. More...

virtual Ptr< ErrorModel >	CreateReceiverErrorModel ()
	Create and return the error model to install in the receiver node. More...

virtual Ptr< TcpSocketMsgBase >	CreateReceiverSocket (Ptr< Node > node)
	Create and install the socket to install on the receiver. More...

virtual Ptr< ErrorModel >	CreateSenderErrorModel ()
	Create and return the error model to install in the sender node. More...

virtual Ptr< TcpSocketMsgBase >	CreateSenderSocket (Ptr< Node > node)
	Create and install the socket to install on the sender. More...

virtual Ptr< TcpSocketMsgBase >	CreateSocket (Ptr< Node > node, TypeId socketType, TypeId congControl)
	Create a socket. More...

virtual Ptr< TcpSocketMsgBase >	CreateSocket (Ptr< Node > node, TypeId socketType, TypeId congControl, TypeId recoveryAlgorithm)
	Create a socket. More...

virtual void	CWndInflTrace ([[maybe_unused]] uint32_t oldValue, [[maybe_unused]] uint32_t newValue)
	Tracks the inflated congestion window changes. More...

virtual void	CWndTrace ([[maybe_unused]] uint32_t oldValue, [[maybe_unused]] uint32_t newValue)
	Tracks the congestion window changes. More...

virtual void	DataSent ([[maybe_unused]] uint32_t size, [[maybe_unused]] SocketWho who)
	Notifying application for sent data. More...

void	DoConnect ()
	Scheduled at 0.0, SENDER starts the connection to RECEIVER. More...

virtual void	DoRun (void)
	Execute the tcp test. More...

virtual void	DoTeardown (void)
	Teardown the TCP test. More...

virtual void	ErrorClose ([[maybe_unused]] SocketWho who)
	Socket closed with an error. More...

virtual void	FinalChecks ()
	Performs the (eventual) final checks through test asserts. More...

Time	GetClockGranularity (SocketWho who)
	Get the clock granularity attribute. More...

Time	GetConnTimeout (SocketWho who)
	Get the retransmission time for the SYN segments. More...

uint32_t	GetDelAckCount (SocketWho who)
	Get the number of delayed ack (if present) More...

Time	GetDelAckTimeout (SocketWho who)
	Get the timeout of delayed ack (if present) More...

uint32_t	GetDupAckCount (SocketWho who)
	Get the number of dupack received. More...

SequenceNumber32	GetHighestTxMark (SocketWho who)
	Get the highest tx mark of the node specified. More...

uint32_t	GetInitialCwnd (SocketWho who)
	Get the initial congestion window. More...

uint32_t	GetInitialSsThresh (SocketWho who)
	Get the initial slow start threshold. More...

Time	GetMinRto (SocketWho who)
	Get the minimum RTO attribute. More...

uint32_t	GetMtu () const
	Get the MTU of the environment. More...

EventId	GetPersistentEvent (SocketWho who)
	Get the persistent event of the selected socket. More...

Time	GetPersistentTimeout (SocketWho who)
	Get the persistent timeout of the selected socket. More...

uint32_t	GetPktCount () const
	Get the number of application packets. More...

Time	GetPktInterval () const
	Get the interval to wait for each packet sent down from application to TCP. More...

uint32_t	GetPktSize () const
	Get the application packet size. More...

Time	GetPropagationDelay () const
	Get the channel Propagation Delay. More...

Ptr< TcpSocketMsgBase >	GetReceiverSocket ()
	Get the pointer to a previously created receiver socket. More...

uint32_t	GetReTxThreshold (SocketWho who)
	Get the retransmission threshold. More...

Time	GetRto (SocketWho who)
	Get the retransmission time. More...

Ptr< RttEstimator >	GetRttEstimator (SocketWho who)
	Get the Rtt estimator of the socket. More...

uint32_t	GetRWnd (SocketWho who)
	Get the rWnd of the selected socket. More...

Ptr< TcpRxBuffer >	GetRxBuffer (SocketWho who)
	Get the Rx buffer from selected socket. More...

uint32_t	GetSegSize (SocketWho who)
	Get the segment size of the node specified. More...

Ptr< TcpSocketMsgBase >	GetSenderSocket ()
	Get the pointer to a previously created sender socket. More...

Time	GetStartTime () const
	Get the data start time. More...

Ptr< TcpSocketState >	GetTcb (SocketWho who)
	Get the TCB from selected socket. More...

TcpSocket::TcpStates_t	GetTcpState (SocketWho who)
	Get the state of the TCP state machine. More...

Ptr< TcpTxBuffer >	GetTxBuffer (SocketWho who)
	Get the Tx buffer from selected socket. More...

virtual void	HighestTxSeqTrace ([[maybe_unused]] SequenceNumber32 oldValue, [[maybe_unused]] SequenceNumber32 newValue)
	Highest tx seq changes. More...

virtual void	NextTxSeqTrace ([[maybe_unused]] SequenceNumber32 oldValue, [[maybe_unused]] SequenceNumber32 newValue)
	Next tx seq changes. More...

virtual void	NormalClose ([[maybe_unused]] SocketWho who)
	Socket closed normally. More...

virtual void	PhyDrop ([[maybe_unused]] SocketWho who)
	Link drop. More...

virtual void	ProcessedAck ([[maybe_unused]] const Ptr< const TcpSocketState > tcb, [[maybe_unused]] const TcpHeader &h, [[maybe_unused]] SocketWho who)
	Processed ack. More...

virtual void	QueueDrop ([[maybe_unused]] SocketWho who)
	Drop on the queue. More...

virtual void	RateSampleUpdatedTrace ([[maybe_unused]] const TcpRateLinux::TcpRateSample &sample)
	Track the rate sample value of TcpRateLinux. More...

virtual void	RateUpdatedTrace ([[maybe_unused]] const TcpRateLinux::TcpRateConnection &rate)
	Track the rate value of TcpRateLinux. More...

virtual void	RcvAck ([[maybe_unused]] const Ptr< const TcpSocketState > tcb, [[maybe_unused]] const TcpHeader &h, [[maybe_unused]] SocketWho who)
	Received ack. More...

virtual void	ReceivePacket (Ptr< Socket > socket)
	Packet received. More...

virtual void	RtoTrace ([[maybe_unused]] Time oldValue, [[maybe_unused]] Time newValue)
	RTO changes. More...

virtual void	RttTrace ([[maybe_unused]] Time oldTime, [[maybe_unused]] Time newTime)
	Rtt changes. More...

virtual void	Rx (const Ptr< const Packet > p, const TcpHeader &h, SocketWho who)
	Packet received from IP layer. More...

void	SendPacket (Ptr< Socket > socket, uint32_t pktSize, uint32_t pktCount, Time pktInterval)
	Send packets to other endpoint. More...

void	SetAppPktCount (uint32_t pktCount)
	Set app packet count. More...

void	SetAppPktInterval (Time pktInterval)
	Interval between app-generated packet. More...

void	SetAppPktSize (uint32_t pktSize)
	Set app packet size. More...

void	SetCongestionControl (TypeId congControl)
	Congestion control of the sender socket. More...

void	SetDelAckMaxCount (SocketWho who, uint32_t count)
	Forcefully set the delayed acknowledgement count. More...

void	SetInitialCwnd (SocketWho who, uint32_t initialCwnd)
	Forcefully set the initial cwnd. More...

void	SetInitialSsThresh (SocketWho who, uint32_t initialSsThresh)
	Forcefully set the initial ssthresh. More...

void	SetMTU (uint32_t mtu)
	MTU of the bottleneck link. More...

void	SetPaceInitialWindow (SocketWho who, bool paceWindow)
	Enable or disable pacing of the initial window. More...

void	SetPacingStatus (SocketWho who, bool pacing)
	Enable or disable pacing in the TCP socket. More...

void	SetPropagationDelay (Time propDelay)
	Propagation delay of the bottleneck link. More...

void	SetRcvBufSize (SocketWho who, uint32_t size)
	Forcefully set a defined size for rx buffer. More...

void	SetRecoveryAlgorithm (TypeId recovery)
	recovery algorithm of the sender socket More...

void	SetSegmentSize (SocketWho who, uint32_t segmentSize)
	Forcefully set the segment size. More...

void	SetTransmitStart (Time startTime)
	Set the initial time at which the application sends the first data packet. More...

void	SetUseEcn (SocketWho who, TcpSocketState::UseEcn_t useEcn)
	Forcefully set the ECN mode of use. More...

virtual void	SsThreshTrace ([[maybe_unused]] uint32_t oldValue, [[maybe_unused]] uint32_t newValue)
	Slow start threshold changes. More...

virtual void	Tx (const Ptr< const Packet > p, const TcpHeader &h, SocketWho who)
	Packet transmitted down to IP layer. More...

virtual void	UpdatedRttHistory ([[maybe_unused]] const SequenceNumber32 &seq, [[maybe_unused]] uint32_t sz, [[maybe_unused]] bool isRetransmission, [[maybe_unused]] SocketWho who)
	Updated the Rtt history. More...

Protected Member Functions inherited from ns3::TestCase
	TestCase (std::string name)
	Constructor. More...

void	AddTestCase (TestCase *testCase, TestDuration duration=QUICK)
	Add an individual child TestCase to this test suite. More...

TestCase *	GetParent () const
	Get the parent of this TestCsse. More...

bool	IsStatusFailure (void) const
	Check if any tests failed. More...

bool	IsStatusSuccess (void) const
	Check if all tests passed. More...

void	SetDataDir (std::string directory)
	Set the data directory where reference trace files can be found. More...

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. More...

bool	MustAssertOnFailure (void) const
	Check if this run should assert on failure. More...

bool	MustContinueOnFailure (void) const
	Check if this run should continue on failure. More...

std::string	CreateDataDirFilename (std::string filename)
	Construct the full path to a file in the data directory. More...

std::string	CreateTempDirFilename (std::string filename)
	Construct the full path to a file in a temporary directory. More...

Protected Attributes
TypeId	m_congControlTypeId
	Congestion control. More...

TypeId	m_recoveryTypeId
	Recovery. More...

Private Member Functions
void	AfterRetransmitCb (const Ptr< const TcpSocketState > tcb, const Ptr< const TcpSocketBase > tcp)
	Invoked after a retransmit event. More...

void	BeforeRetransmitCb (const Ptr< const TcpSocketState > tcb, const Ptr< const TcpSocketBase > tcp)
	Invoked before a retransmit event. More...

void	DataSentCb (Ptr< Socket > socket, uint32_t size)
	Data sent Callback. More...

void	ErrorCloseCb (Ptr< Socket > socket)
	Error Close Callback. More...

void	ForkCb (Ptr< TcpSocketMsgBase > tcp)
	Fork Callback. More...

void	HandleAccept (Ptr< Socket > socket, const Address &from)
	Handle an accept connection. More...

void	NormalCloseCb (Ptr< Socket > socket)
	Normal Close Callback. More...

void	PhyDropCb (std::string context, Ptr< const Packet > p)
	Drop at Phy layer Callback. More...

void	ProcessedAckCb (Ptr< const Packet > p, const TcpHeader &h, Ptr< const TcpSocketBase > tcp)
	ACK processed Callback. More...

void	QueueDropCb (std::string context, Ptr< const Packet > p)
	Queue Drop Callback. More...

void	RcvAckCb (Ptr< const Packet > p, const TcpHeader &h, Ptr< const TcpSocketBase > tcp)
	Receive ACK Callback. More...

void	RtoExpiredCb (const Ptr< const TcpSocketState > tcb, const Ptr< const TcpSocketBase > tcp)
	RTO expired Callback. More...

void	RxPacketCb (const Ptr< const Packet > p, const TcpHeader &h, const Ptr< const TcpSocketBase > tcp)
	Rx packet Callback. More...

void	TxPacketCb (const Ptr< const Packet > p, const TcpHeader &h, const Ptr< const TcpSocketBase > tcp)
	Tx packet Callback. More...

void	UpdateRttHistoryCb (Ptr< const TcpSocketBase > tcp, const SequenceNumber32 &seq, uint32_t sz, bool isRetransmission)
	Update RTT with new data. More...

Private Attributes
Time	m_interPacketInterval
	Time between sending application packet down to tcp socket. More...

uint32_t	m_mtu
	MTU of the environment. More...

uint32_t	m_pktCount
	Count of the application packet. More...

uint32_t	m_pktSize
	Size of the application packet. More...

Time	m_propagationDelay
	Propagation delay of the channel. More...

Ptr< TcpSocketMsgBase >	m_receiverSocket
	Pointer to receiver socket. More...

InetSocketAddress	m_remoteAddr
	Remote peer address. More...

Ptr< TcpSocketMsgBase >	m_senderSocket
	Pointer to sender socket. More...

Time	m_startTime
	Data transmission time. More...

Detailed Description

General infrastructure for TCP testing.

The class provides a simple setup for a connection testing. Implement or modify the virtual methods in order to install a specified channel, a specified socket and a specified error model on this simulation. Default values are a null error model, and as a channel a SimpleChannel with the propagation delay set through the constructor.

Check DoRun documentation for more information on the environment setup.

Apart from setting up the environment for testing, subclassing permits also to track and check what is happening inside the two connected sockets. Thanks to TcpSocketMsgBase, there are many information provided to children:

Tracing of states inside the state machines (TCP and ACK ones, through functions CongStateTrace and TcpStateTrace)
cWnd tracing (through CWndTrace)
Socket closing: error state, or normal state (NormalClose and ErrorClose)
Packet drop, inside queue or over the link (QueueDrop, PhyDrop)
Ack received (RcvAck) and Ack processed (ProcessedAck). The first is used to signal that an ACK has been received; after the processing of it, the Second is called
A packet is transmitted to IP layer or received from IP layer (Tx and Rx)
The RTO expires (RTOExpired)

The default version of such methods is empty; implement their behavior differently, based on what you want to test. Default is empty to avoid the need to implement useless pure virtual function.

If you need values from TcpSocketBase, thanks to the friend relationship between this class and TcpSocketBase itself you can get it. Remember that friendship isn't passed by inheritance, so the way to go is to write a Getters (like GetSegSize) and call it in the subclass.

See also: DoRun; TcpSocketMsgBase

Definition at line 256 of file tcp-general-test.h.

Member Enumeration Documentation

◆ SocketWho

enum ns3::TcpGeneralTest::SocketWho

Used as parameter of methods, specifies on what node the caller is interested (e.g.

GetSegSize).

Enumerator
SENDER	Sender node.
RECEIVER	Receiver node.

Definition at line 274 of file tcp-general-test.h.

Constructor & Destructor Documentation

◆ TcpGeneralTest()

TcpGeneralTest::TcpGeneralTest ( const std::string & desc )

TcpGeneralTest constructor.

Please use the method ConfigureEnvironment () to configure other parameters than the test description.

Parameters

desc	description of the test

Definition at line 42 of file tcp-general-test.cc.

References NS_LOG_FUNCTION.

◆ ~TcpGeneralTest()

TcpGeneralTest::~TcpGeneralTest ( )

Definition at line 51 of file tcp-general-test.cc.

References NS_LOG_FUNCTION_NOARGS.

Member Function Documentation

◆ AfterRetransmitCb()

void TcpGeneralTest::AfterRetransmitCb	(	const Ptr< const TcpSocketState >	tcb,
		const Ptr< const TcpSocketBase >	tcp
	)

private

Invoked after a retransmit event.

Parameters

tcb	Transmission control block.
tcp	The TCP socket.

Definition at line 406 of file tcp-general-test.cc.

References AfterRTOExpired(), m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by DoRun().

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◆ AfterRTOExpired()

virtual void ns3::TcpGeneralTest::AfterRTOExpired	(	[[maybe_unused] ] const Ptr< const TcpSocketState >	tcb,
		[[maybe_unused] ] SocketWho	who
	)

inlineprotectedvirtual

Rto has expired.

Parameters

tcb	Transmission control block
who	where the RTO has expired (SENDER or RECEIVER)

Definition at line 908 of file tcp-general-test.h.

Referenced by AfterRetransmitCb().

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◆ BeforeRetransmitCb()

void TcpGeneralTest::BeforeRetransmitCb	(	const Ptr< const TcpSocketState >	tcb,
		const Ptr< const TcpSocketBase >	tcp
	)

private

Invoked before a retransmit event.

Parameters

tcb	Transmission control block.
tcp	The TCP socket.

Definition at line 424 of file tcp-general-test.cc.

References BeforeRTOExpired(), m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by DoRun().

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◆ BeforeRTOExpired()

virtual void ns3::TcpGeneralTest::BeforeRTOExpired	(	[[maybe_unused] ] const Ptr< const TcpSocketState >	tcb,
		[[maybe_unused] ] SocketWho	who
	)

inlineprotectedvirtual

Rto has expired.

Parameters

tcb	Transmission control block
who	where the RTO has expired (SENDER or RECEIVER)

Definition at line 919 of file tcp-general-test.h.

Referenced by BeforeRetransmitCb().

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◆ BytesInFlightTrace()

virtual void ns3::TcpGeneralTest::BytesInFlightTrace	(	[[maybe_unused] ] uint32_t	oldValue,
		[[maybe_unused] ] uint32_t	newValue
	)

inlineprotectedvirtual

Bytes in flight changes.

This applies only for sender socket.

Parameters

oldValue	old value
newValue	new value

Definition at line 760 of file tcp-general-test.h.

Referenced by DoRun().

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◆ ConfigureEnvironment()

void TcpGeneralTest::ConfigureEnvironment ( void )

protectedvirtual

Change the configuration of the environment.

Reimplemented in TcpLargeTransferLossTest, TcpZeroWindowTest, TcpSlowStartNormalTest, TcpRttEstimationTest, TcpTimeRtoTest, TcpSsThreshRtoTest, TcpRtoTest, TcpRateLinuxWithSocketsTest, TcpPktsAckedOpenTest, TcpPacingTest, TcpLinuxRenoCongAvoidTest, TcpLinuxRenoSSTest, TcpFastRetrTest, TcpDctcpCodePointsTest, TcpDataSentCbTestCase, TcpNewRenoCongAvoidNormalTest, TcpBytesInFlightTest, TcpAdvWindowOnLossTest, and TcpAdvertisedWindowTest.

Definition at line 100 of file tcp-general-test.cc.

References m_congControlTypeId, m_recoveryTypeId, ns3::MilliSeconds(), NS_LOG_FUNCTION, ns3::Seconds(), SetAppPktCount(), SetAppPktInterval(), SetAppPktSize(), SetCongestionControl(), SetMTU(), SetPropagationDelay(), SetRecoveryAlgorithm(), and SetTransmitStart().

Referenced by TcpDataSentCbTestCase::ConfigureEnvironment(), and DoRun().

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◆ ConfigureProperties()

void TcpGeneralTest::ConfigureProperties ( void )

protectedvirtual

Change the configuration of the socket properties.

Reimplemented in TcpLargeTransferLossTest, TcpZeroWindowTest, TcpSlowStartNormalTest, TcpRtoTest, TcpPacingTest, TcpLinuxRenoCongAvoidTest, TcpLinuxRenoSSTest, TcpFastRetrTest, ns3::TcpEcnTest, TcpDctcpCodePointsTest, TcpNewRenoCongAvoidNormalTest, and ns3::TcpCloseWithLossTestCase.

Definition at line 115 of file tcp-general-test.cc.

References NS_LOG_FUNCTION, RECEIVER, SENDER, SetInitialCwnd(), SetInitialSsThresh(), SetSegmentSize(), and python-unit-tests::UINT32_MAX.

Referenced by ns3::TcpCloseWithLossTestCase::ConfigureProperties(), ns3::TcpEcnTest::ConfigureProperties(), and DoRun().

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◆ CongStateTrace()

virtual void ns3::TcpGeneralTest::CongStateTrace	(	[[maybe_unused] ] const TcpSocketState::TcpCongState_t	oldValue,
		[[maybe_unused] ] const TcpSocketState::TcpCongState_t	newValue
	)

inlineprotectedvirtual

State on Ack state machine changes.

Parameters

oldValue	old value
newValue	new value

Definition at line 699 of file tcp-general-test.h.

Referenced by DoRun().

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◆ CreateChannel()

Ptr< SimpleChannel > TcpGeneralTest::CreateChannel ( )

protectedvirtual

Create and return the channel installed between the two socket.

Returns: A SimpleChannel subclass

Definition at line 268 of file tcp-general-test.cc.

References m_propagationDelay.

Referenced by DoRun().

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◆ CreateReceiverErrorModel()

Ptr< ErrorModel > TcpGeneralTest::CreateReceiverErrorModel ( )

protectedvirtual

Create and return the error model to install in the receiver node.

Returns: receiver error model

Reimplemented in TcpRttEstimationWithLossTest, TcpTimeRtoTest, TcpSsThreshRtoTest, TcpRateLinuxWithSocketsTest, TcpLargeTransferLossTest, TcpFastRetrTest, ns3::TcpCloseWithLossTestCase, TcpBytesInFlightTest, TcpAdvWindowOnLossTest, and TcpAdvertisedWindowTest.

Definition at line 318 of file tcp-general-test.cc.

Referenced by DoRun().

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◆ CreateReceiverSocket()

Ptr< TcpSocketMsgBase > TcpGeneralTest::CreateReceiverSocket ( Ptr< Node > node )

protectedvirtual

Create and install the socket to install on the receiver.

Parameters

node	receiver node pointer

Returns: the socket to be installed in the receiver

Reimplemented in TcpZeroWindowTest, WScalingTestCase, TimestampTestCase, TcpSlowStartAttackerTest, SackPermittedTestCase, TcpRttEstimationTest, TcpDctcpCodePointsTest, TcpDataSentCbTestCase, TcpAdvWindowOnLossTest, and TcpAdvertisedWindowTest.

Definition at line 330 of file tcp-general-test.cc.

References CreateSocket(), ns3::TcpSocketMsgBase::GetTypeId(), m_congControlTypeId, and m_recoveryTypeId.

Referenced by DoRun().

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◆ CreateSenderErrorModel()

Ptr< ErrorModel > TcpGeneralTest::CreateSenderErrorModel ( )

protectedvirtual

Create and return the error model to install in the sender node.

Returns: sender error model

Reimplemented in TcpFastRetrTest.

Definition at line 312 of file tcp-general-test.cc.

Referenced by DoRun().

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◆ CreateSenderSocket()

Ptr< TcpSocketMsgBase > TcpGeneralTest::CreateSenderSocket ( Ptr< Node > node )

protectedvirtual

Create and install the socket to install on the sender.

Parameters

node	sender node pointer

Returns: the socket to be installed in the sender

Reimplemented in WScalingTestCase, TimestampTestCase, SackPermittedTestCase, TcpRttEstimationTest, TcpTimeRtoTest, TcpSsThreshRtoTest, TcpRtoTest, TcpRateLinuxWithSocketsTest, TcpPktsAckedOpenTest, TcpFastRetrTest, ns3::TcpEcnTest, TcpDctcpCodePointsTest, and TcpAdvWindowOnLossTest.

Definition at line 324 of file tcp-general-test.cc.

References CreateSocket(), ns3::TcpSocketMsgBase::GetTypeId(), m_congControlTypeId, and m_recoveryTypeId.

Referenced by ns3::TcpEcnTest::CreateSenderSocket(), and DoRun().

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◆ CreateSocket() [1/2]

Ptr< TcpSocketMsgBase > TcpGeneralTest::CreateSocket	(	Ptr< Node >	node,
		TypeId	socketType,
		TypeId	congControl
	)

protectedvirtual

Create a socket.

Parameters

node	associated node
socketType	Type of the TCP socket
congControl	congestion control

Returns: a pointer to the newer created socket

Definition at line 278 of file tcp-general-test.cc.

References m_recoveryTypeId.

Referenced by TcpAdvertisedWindowTest::CreateReceiverSocket(), TcpAdvWindowOnLossTest::CreateReceiverSocket(), CreateReceiverSocket(), TcpSlowStartAttackerTest::CreateReceiverSocket(), TcpDctcpCodePointsTest::CreateSenderSocket(), ns3::TcpEcnTest::CreateSenderSocket(), and CreateSenderSocket().

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◆ CreateSocket() [2/2]

Ptr< TcpSocketMsgBase > TcpGeneralTest::CreateSocket	(	Ptr< Node >	node,
		TypeId	socketType,
		TypeId	congControl,
		TypeId	recoveryAlgorithm
	)

protectedvirtual

Create a socket.

Parameters

node	associated node
socketType	Type of the TCP socket
congControl	congestion control
recoveryAlgorithm	recovery algorithm

Returns: a pointer to the newer created socket

Definition at line 285 of file tcp-general-test.cc.

References ns3::ObjectFactory::Create(), ns3::Object::GetObject(), ns3::RttMeanDeviation::GetTypeId(), and ns3::ObjectFactory::SetTypeId().

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◆ CWndInflTrace()

virtual void ns3::TcpGeneralTest::CWndInflTrace	(	[[maybe_unused] ] uint32_t	oldValue,
		[[maybe_unused] ] uint32_t	newValue
	)

inlineprotectedvirtual

Tracks the inflated congestion window changes.

Parameters

oldValue	old value
newValue	new value

Definition at line 721 of file tcp-general-test.h.

Referenced by DoRun().

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◆ CWndTrace()

virtual void ns3::TcpGeneralTest::CWndTrace	(	[[maybe_unused] ] uint32_t	oldValue,
		[[maybe_unused] ] uint32_t	newValue
	)

inlineprotectedvirtual

Tracks the congestion window changes.

Parameters

oldValue	old value
newValue	new value

Definition at line 710 of file tcp-general-test.h.

Referenced by DoRun().

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◆ DataSent()

virtual void ns3::TcpGeneralTest::DataSent	(	[[maybe_unused] ] uint32_t	size,
		[[maybe_unused] ] SocketWho	who
	)

inlineprotectedvirtual

Notifying application for sent data.

Parameters

size	the amount of bytes transmitted
who	where the RTO has expired (SENDER or RECEIVER)

Definition at line 944 of file tcp-general-test.h.

Referenced by DataSentCb().

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◆ DataSentCb()

void TcpGeneralTest::DataSentCb	(	Ptr< Socket >	socket,
		uint32_t	size
	)

private

Data sent Callback.

Parameters

socket	The socket.
size	The data size.

Definition at line 442 of file tcp-general-test.cc.

References DataSent(), ns3::Socket::GetNode(), m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by DoRun().

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◆ DoConnect()

void TcpGeneralTest::DoConnect ( void )

protected

Scheduled at 0.0, SENDER starts the connection to RECEIVER.

Definition at line 251 of file tcp-general-test.cc.

References m_remoteAddr, m_senderSocket, and NS_LOG_INFO.

Referenced by DoRun().

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◆ DoRun()

void TcpGeneralTest::DoRun ( void )

protectedvirtual

Execute the tcp test.

As environment, two socket are connected through a SimpleChannel. Each device has an MTU of 1500 bytes, and the application starts to send packet at 10s of simulated time, through SendPacket.

If you need to change parameters of the environment, please inherit an implement the method ConfigureEnvironment (); that will be called at the beginning of this method. To configure Socket parameters (i.e. parameters that should be applied after socket have been created) use ConfigureProperties.

Please do not use any Config:: statements.

See also: ConfigureEnvironment

Implements ns3::TestCase.

Definition at line 125 of file tcp-general-test.cc.

References AfterRetransmitCb(), ns3::Ipv4AddressHelper::Assign(), BeforeRetransmitCb(), BytesInFlightTrace(), third::channel, ConfigureEnvironment(), ConfigureProperties(), CongStateTrace(), CreateChannel(), CreateReceiverErrorModel(), CreateReceiverSocket(), CreateSenderErrorModel(), CreateSenderSocket(), CWndInflTrace(), CWndTrace(), DataSentCb(), DoConnect(), ns3::Packet::EnablePrinting(), ErrorCloseCb(), ForkCb(), ns3::NetDeviceContainer::Get(), ns3::Ipv4InterfaceContainer::GetAddress(), ns3::Ipv4Address::GetAny(), HandleAccept(), HighestTxSeqTrace(), ns3::SimpleNetDeviceHelper::Install(), ns3::InternetStackHelper::Install(), m_interPacketInterval, m_mtu, m_pktCount, m_pktSize, m_receiverSocket, m_remoteAddr, m_senderSocket, m_startTime, ns3::MakeCallback(), ns3::MakeNullCallback(), NextTxSeqTrace(), first::nodes, NormalCloseCb(), NS_LOG_INFO, PhyDropCb(), ProcessedAckCb(), QueueDropCb(), RateSampleUpdatedTrace(), RateUpdatedTrace(), RcvAckCb(), ReceivePacket(), RtoTrace(), RttTrace(), ns3::Simulator::Run(), RxPacketCb(), ns3::Simulator::Schedule(), ns3::Simulator::ScheduleWithContext(), ns3::Seconds(), SendPacket(), ns3::Ipv4AddressHelper::SetBase(), ns3::SimpleNetDeviceHelper::SetNetDevicePointToPointMode(), SsThreshTrace(), TxPacketCb(), and UpdateRttHistoryCb().

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◆ DoTeardown()

void TcpGeneralTest::DoTeardown ( void )

protectedvirtual

Teardown the TCP test.

Reimplemented from ns3::TestCase.

Reimplemented in TcpLinuxRenoCongAvoidTest, and TcpLinuxRenoSSTest.

Definition at line 91 of file tcp-general-test.cc.

References ns3::Simulator::Destroy(), FinalChecks(), and NS_LOG_INFO.

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◆ ErrorClose()

virtual void ns3::TcpGeneralTest::ErrorClose ( [[maybe_unused] ] SocketWho who )

inlineprotectedvirtual

Socket closed with an error.

Parameters

who	the socket closed (SENDER or RECEIVER)

Todo:: indicate the error

Definition at line 833 of file tcp-general-test.h.

Referenced by ErrorCloseCb().

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◆ ErrorCloseCb()

void TcpGeneralTest::ErrorCloseCb ( Ptr< Socket > socket )

private

Error Close Callback.

Parameters

socket The socket.

Definition at line 459 of file tcp-general-test.cc.

References ErrorClose(), ns3::Socket::GetNode(), m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by DoRun(), and HandleAccept().

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◆ FinalChecks()

virtual void ns3::TcpGeneralTest::FinalChecks ( void )

inlineprotectedvirtual

Performs the (eventual) final checks through test asserts.

Reimplemented in TcpLargeTransferLossTest, TcpZeroWindowTest, TcpRttEstimationTest, TcpTimeRtoTest, TcpRtoTest, TcpRateLinuxWithSocketsTest, TcpPktsAckedOpenTest, TcpFastRetrTest, TcpDataSentCbTestCase, ns3::TcpCloseWithLossTestCase, and TcpBytesInFlightTest.

Definition at line 952 of file tcp-general-test.h.

Referenced by DoTeardown().

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◆ ForkCb()

void TcpGeneralTest::ForkCb ( Ptr< TcpSocketMsgBase > tcp )

private

Fork Callback.

Parameters

tcp	The TCP socket.

Definition at line 560 of file tcp-general-test.cc.

References m_receiverSocket, and NS_LOG_FUNCTION.

Referenced by DoRun().

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◆ GetClockGranularity()

Time TcpGeneralTest::GetClockGranularity ( SocketWho who )

protected

Get the clock granularity attribute.

Parameters

who	node to get the parameter from

Returns: clock granularity

Definition at line 761 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by TcpTimeRtoTest::Tx().

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◆ GetConnTimeout()

Time TcpGeneralTest::GetConnTimeout ( SocketWho who )

protected

Get the retransmission time for the SYN segments.

Parameters

who	node to get the parameter from

Returns: SYN segments RTO time

Definition at line 727 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by TcpTimeRtoTest::Tx().

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◆ GetDelAckCount()

uint32_t TcpGeneralTest::GetDelAckCount ( SocketWho who )

protected

Get the number of delayed ack (if present)

Parameters

who	node to get the parameter from

Returns: number of ack we will wait before sending an ACK

Definition at line 602 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by TcpFastRetrTest::Tx().

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◆ GetDelAckTimeout()

Time TcpGeneralTest::GetDelAckTimeout ( SocketWho who )

protected

Get the timeout of delayed ack (if present)

Parameters

who	node to get the parameter from

Returns: time we will wait before sending an ACK

Definition at line 619 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

◆ GetDupAckCount()

uint32_t TcpGeneralTest::GetDupAckCount ( SocketWho who )

protected

Get the number of dupack received.

Parameters

who	node to get the parameter from

Returns: number of dupack

Definition at line 585 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by TcpFastRetrTest::CongStateTrace(), TcpFastRetrTest::ProcessedAck(), and TcpFastRetrTest::RcvAck().

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◆ GetHighestTxMark()

SequenceNumber32 TcpGeneralTest::GetHighestTxMark ( SocketWho who )

protected

Get the highest tx mark of the node specified.

Parameters

who	node to get the parameter from

Returns: mark of the specified node

Definition at line 653 of file tcp-general-test.cc.

References GetTcb(), and ns3::TcpSocketState::m_highTxMark.

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◆ GetInitialCwnd()

uint32_t TcpGeneralTest::GetInitialCwnd ( SocketWho who )

protected

Get the initial congestion window.

Parameters

who	node to get the parameter from

Returns: initial cwnd

Definition at line 659 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

◆ GetInitialSsThresh()

uint32_t TcpGeneralTest::GetInitialSsThresh ( SocketWho who )

protected

Get the initial slow start threshold.

Parameters

who	node to get the parameter from

Returns: initial slow start threshold

Definition at line 676 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by TcpLinuxRenoSSTest::CWndTrace(), and TcpSlowStartNormalTest::CWndTrace().

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◆ GetMinRto()

Time TcpGeneralTest::GetMinRto ( SocketWho who )

protected

Get the minimum RTO attribute.

Parameters

who	node to get the parameter from

Returns: minimum RTO time

Definition at line 710 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by TcpTimeRtoTest::Tx().

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◆ GetMtu()

uint32_t ns3::TcpGeneralTest::GetMtu ( void ) const

inlineprotected

Get the MTU of the environment.

Returns: MTU of the environment

Definition at line 978 of file tcp-general-test.h.

References m_mtu.

◆ GetPersistentEvent()

EventId TcpGeneralTest::GetPersistentEvent ( SocketWho who )

protected

Get the persistent event of the selected socket.

Parameters

who	socket where check the parameter

Returns: the persistent event in the selected socket

Definition at line 814 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by TcpZeroWindowTest::ProcessedAck().

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◆ GetPersistentTimeout()

Time TcpGeneralTest::GetPersistentTimeout ( SocketWho who )

protected

Get the persistent timeout of the selected socket.

Parameters

who	socket where check the parameter

Returns: the persistent timeout in the selected socket

Definition at line 832 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

◆ GetPktCount()

uint32_t ns3::TcpGeneralTest::GetPktCount ( ) const

inlineprotected

Get the number of application packets.

Returns: count of application packets to be generated

Definition at line 996 of file tcp-general-test.h.

References m_pktCount.

◆ GetPktInterval()

Time ns3::TcpGeneralTest::GetPktInterval ( ) const

inlineprotected

Get the interval to wait for each packet sent down from application to TCP.

Returns: interval between packet

Definition at line 1006 of file tcp-general-test.h.

References m_interPacketInterval.

◆ GetPktSize()

uint32_t ns3::TcpGeneralTest::GetPktSize ( ) const

inlineprotected

Get the application packet size.

Returns: application packet size

Definition at line 987 of file tcp-general-test.h.

References m_pktSize.

◆ GetPropagationDelay()

Time ns3::TcpGeneralTest::GetPropagationDelay ( ) const

inlineprotected

Get the channel Propagation Delay.

Returns: propagation delay of the channel

Definition at line 960 of file tcp-general-test.h.

References m_propagationDelay.

Referenced by TcpPacingTest::UpdateExpectedInterval().

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◆ GetReceiverSocket()

Ptr<TcpSocketMsgBase> ns3::TcpGeneralTest::GetReceiverSocket ( )

inlineprotected

Get the pointer to a previously created receiver socket.

Returns: ptr to receiver socket or 0

Definition at line 352 of file tcp-general-test.h.

References m_receiverSocket.

Referenced by ns3::TcpCloseWithLossTestCase::ConfigureProperties().

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◆ GetReTxThreshold()

uint32_t TcpGeneralTest::GetReTxThreshold ( SocketWho who )

protected

Get the retransmission threshold.

Parameters

who	node to get the parameter from

Returns: retransmission threshold

Definition at line 568 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by TcpFastRetrTest::CongStateTrace(), TcpFastRetrTest::ProcessedAck(), and TcpFastRetrTest::RcvAck().

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◆ GetRto()

Time TcpGeneralTest::GetRto ( SocketWho who )

protected

Get the retransmission time.

Parameters

who	node to get the parameter from

Returns: calculated RTO time

Definition at line 693 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by TcpTimeRtoTest::AfterRTOExpired(), and TcpTimeRtoTest::Tx().

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◆ GetRttEstimator()

Ptr< RttEstimator > TcpGeneralTest::GetRttEstimator ( SocketWho who )

protected

Get the Rtt estimator of the socket.

Parameters

who	node to get the parameter from

Returns: Rtt estimator

Definition at line 744 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by TcpTimeRtoTest::Tx(), and TcpRttEstimationTest::Tx().

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◆ GetRWnd()

uint32_t TcpGeneralTest::GetRWnd ( SocketWho who )

protected

Get the rWnd of the selected socket.

Parameters

who	socket where check the parameter

Returns: the received advertised window

Definition at line 796 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

◆ GetRxBuffer()

Ptr< TcpRxBuffer > TcpGeneralTest::GetRxBuffer ( SocketWho who )

protected

Get the Rx buffer from selected socket.

Parameters

who	socket where get the TCB

Returns: the rx buffer

Definition at line 868 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by WScalingTestCase::Tx().

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◆ GetSegSize()

uint32_t TcpGeneralTest::GetSegSize ( SocketWho who )

protected

Get the segment size of the node specified.

Parameters

who	node to get the parameter from

Returns: segment size of the specified node

Definition at line 636 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by TcpNewRenoCongAvoidNormalTest::Check(), TcpLinuxRenoSSTest::CWndTrace(), TcpSlowStartNormalTest::CWndTrace(), TcpPktsAckedOpenTest::FinalChecks(), TcpBytesInFlightTest::Rx(), TcpFastRetrTest::Rx(), TcpSlowStartNormalTest::Rx(), TcpFastRetrTest::Tx(), and TcpSlowStartNormalTest::Tx().

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◆ GetSenderSocket()

Ptr<TcpSocketMsgBase> ns3::TcpGeneralTest::GetSenderSocket ( )

inlineprotected

Get the pointer to a previously created sender socket.

Returns: ptr to sender socket or 0

Definition at line 343 of file tcp-general-test.h.

References m_senderSocket.

Referenced by TcpSsThreshRtoTest::AfterRTOExpired(), TcpBytesInFlightTest::BeforeRTOExpired(), and ns3::TcpCloseWithLossTestCase::ConfigureProperties().

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◆ GetStartTime()

Time ns3::TcpGeneralTest::GetStartTime ( ) const

inlineprotected

Get the data start time.

Returns: start time of data packets

Definition at line 969 of file tcp-general-test.h.

References m_startTime.

◆ GetTcb()

Ptr< TcpSocketState > TcpGeneralTest::GetTcb ( SocketWho who )

protected

Get the TCB from selected socket.

Parameters

who	socket where get the TCB

Returns: the transmission control block

Definition at line 850 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by GetHighestTxMark(), and TcpZeroWindowTest::Tx().

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◆ GetTcpState()

TcpSocket::TcpStates_t TcpGeneralTest::GetTcpState ( SocketWho who )

protected

Get the state of the TCP state machine.

Parameters

who	socket where check the parameter

Returns: the state of the socket

Definition at line 778 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

◆ GetTxBuffer()

Ptr< TcpTxBuffer > TcpGeneralTest::GetTxBuffer ( SocketWho who )

protected

Get the Tx buffer from selected socket.

Parameters

who	socket where get the TCB

Returns: the tx buffer

Definition at line 886 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

◆ HandleAccept()

void TcpGeneralTest::HandleAccept	(	Ptr< Socket >	socket,
		const Address &	from
	)

private

Handle an accept connection.

Parameters

socket	The socket.
from	The sender.

Definition at line 258 of file tcp-general-test.cc.

References ErrorCloseCb(), ns3::MakeCallback(), NormalCloseCb(), ReceivePacket(), ns3::Socket::SetCloseCallbacks(), and ns3::Socket::SetRecvCallback().

Referenced by DoRun().

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◆ HighestTxSeqTrace()

virtual void ns3::TcpGeneralTest::HighestTxSeqTrace	(	[[maybe_unused] ] SequenceNumber32	oldValue,
		[[maybe_unused] ] SequenceNumber32	newValue
	)

inlineprotectedvirtual

Highest tx seq changes.

This applies only for sender socket.

Parameters

oldValue	old value
newValue	new value

Definition at line 799 of file tcp-general-test.h.

Referenced by DoRun().

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◆ NextTxSeqTrace()

virtual void ns3::TcpGeneralTest::NextTxSeqTrace	(	[[maybe_unused] ] SequenceNumber32	oldValue,
		[[maybe_unused] ] SequenceNumber32	newValue
	)

inlineprotectedvirtual

Next tx seq changes.

This applies only for sender socket.

Parameters

oldValue	old value
newValue	new value

Definition at line 786 of file tcp-general-test.h.

Referenced by DoRun().

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◆ NormalClose()

virtual void ns3::TcpGeneralTest::NormalClose ( [[maybe_unused] ] SocketWho who )

inlineprotectedvirtual

Socket closed normally.

Parameters

who	the socket closed (SENDER or RECEIVER)

Definition at line 824 of file tcp-general-test.h.

Referenced by NormalCloseCb().

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◆ NormalCloseCb()

void TcpGeneralTest::NormalCloseCb ( Ptr< Socket > socket )

private

Normal Close Callback.

Parameters

socket The socket.

Definition at line 370 of file tcp-general-test.cc.

References ns3::Socket::GetNode(), m_receiverSocket, m_senderSocket, NormalClose(), NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by DoRun(), and HandleAccept().

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◆ PhyDrop()

virtual void ns3::TcpGeneralTest::PhyDrop ( [[maybe_unused] ] SocketWho who )

inlineprotectedvirtual

Link drop.

Parameters

who	where the drop occurred (SENDER or RECEIVER)

Definition at line 850 of file tcp-general-test.h.

Referenced by PhyDropCb().

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◆ PhyDropCb()

void TcpGeneralTest::PhyDropCb	(	std::string	context,
		Ptr< const Packet >	p
	)

private

Drop at Phy layer Callback.

Parameters

context	The context.
p	The packet.

Definition at line 353 of file tcp-general-test.cc.

References NS_FATAL_ERROR, PhyDrop(), RECEIVER, and SENDER.

Referenced by DoRun().

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◆ ProcessedAck()

virtual void ns3::TcpGeneralTest::ProcessedAck	(	[[maybe_unused] ] const Ptr< const TcpSocketState >	tcb,
		[[maybe_unused] ] const TcpHeader &	h,
		[[maybe_unused] ] SocketWho	who
	)

inlineprotectedvirtual

Processed ack.

Invoked after the processing of the ACK

Parameters

tcb	Transmission Control Block
h	the header of segment
who	the socket which has processed the ACK (SENDER or RECEIVER)

Definition at line 878 of file tcp-general-test.h.

Referenced by ProcessedAckCb().

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◆ ProcessedAckCb()

void TcpGeneralTest::ProcessedAckCb	(	Ptr< const Packet >	p,
		const TcpHeader &	h,
		Ptr< const TcpSocketBase >	tcp
	)

private

ACK processed Callback.

Parameters

p	The packet.
h	TCP header.
tcp	The TCP socket.

Definition at line 542 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, ProcessedAck(), RECEIVER, and SENDER.

Referenced by DoRun().

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◆ QueueDrop()

virtual void ns3::TcpGeneralTest::QueueDrop ( [[maybe_unused] ] SocketWho who )

inlineprotectedvirtual

Drop on the queue.

Parameters

who	where the drop occurred (SENDER or RECEIVER)

Definition at line 842 of file tcp-general-test.h.

Referenced by QueueDropCb().

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◆ QueueDropCb()

void TcpGeneralTest::QueueDropCb	(	std::string	context,
		Ptr< const Packet >	p
	)

private

Queue Drop Callback.

Parameters

context	The context.
p	The packet.

Definition at line 336 of file tcp-general-test.cc.

References NS_FATAL_ERROR, QueueDrop(), RECEIVER, and SENDER.

Referenced by DoRun().

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◆ RateSampleUpdatedTrace()

virtual void ns3::TcpGeneralTest::RateSampleUpdatedTrace ( [[maybe_unused] ] const TcpRateLinux::TcpRateSample & sample )

inlineprotectedvirtual

Track the rate sample value of TcpRateLinux.

Parameters

sample updated value of TcpRateSample.

Definition at line 816 of file tcp-general-test.h.

Referenced by DoRun().

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◆ RateUpdatedTrace()

virtual void ns3::TcpGeneralTest::RateUpdatedTrace ( [[maybe_unused] ] const TcpRateLinux::TcpRateConnection & rate )

inlineprotectedvirtual

Track the rate value of TcpRateLinux.

Parameters

rate	updated value of TcpRate.

Definition at line 808 of file tcp-general-test.h.

Referenced by DoRun().

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◆ RcvAck()

virtual void ns3::TcpGeneralTest::RcvAck	(	[[maybe_unused] ] const Ptr< const TcpSocketState >	tcb,
		[[maybe_unused] ] const TcpHeader &	h,
		[[maybe_unused] ] SocketWho	who
	)

inlineprotectedvirtual

Received ack.

Invoked when an ACK is received (no processing is done yet)

Parameters

tcb	Transmission Control Block
h	the header of segment
who	the socket which has received the ACK (SENDER or RECEIVER)

Definition at line 863 of file tcp-general-test.h.

Referenced by RcvAckCb().

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◆ RcvAckCb()

void TcpGeneralTest::RcvAckCb	(	Ptr< const Packet >	p,
		const TcpHeader &	h,
		Ptr< const TcpSocketBase >	tcp
	)

private

Receive ACK Callback.

Parameters

p	The packet.
h	TCP header.
tcp	The TCP socket.

Definition at line 488 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RcvAck(), RECEIVER, and SENDER.

Referenced by DoRun().

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◆ ReceivePacket()

void TcpGeneralTest::ReceivePacket ( Ptr< Socket > socket )

protectedvirtual

Packet received.

The method processes the packet (application-layer)

Parameters

socket socket which has received the packet

Definition at line 57 of file tcp-general-test.cc.

References ns3::Packet::GetSize(), NS_LOG_FUNCTION, and ns3::Socket::RecvFrom().

Referenced by DoRun(), and HandleAccept().

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◆ RtoExpiredCb()

void ns3::TcpGeneralTest::RtoExpiredCb	(	const Ptr< const TcpSocketState >	tcb,
		const Ptr< const TcpSocketBase >	tcp
	)

private

RTO expired Callback.

Parameters

tcb	Transmission control block.
tcp	The TCP socket.

◆ RtoTrace()

virtual void ns3::TcpGeneralTest::RtoTrace	(	[[maybe_unused] ] Time	oldValue,
		[[maybe_unused] ] Time	newValue
	)

inlineprotectedvirtual

RTO changes.

This applies only for sender socket.

Parameters

oldValue	old value
newValue	new value

Definition at line 773 of file tcp-general-test.h.

Referenced by DoRun().

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◆ RttTrace()

virtual void ns3::TcpGeneralTest::RttTrace	(	[[maybe_unused] ] Time	oldTime,
		[[maybe_unused] ] Time	newTime
	)

inlineprotectedvirtual

Rtt changes.

This applies only for sender socket.

Parameters

oldTime	old value
newTime	new value

Definition at line 734 of file tcp-general-test.h.

Referenced by DoRun().

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◆ Rx()

void TcpGeneralTest::Rx	(	const Ptr< const Packet >	p,
		const TcpHeader &	h,
		SocketWho	who
	)

protectedvirtual

Packet received from IP layer.

Parameters

p	packet
h	header
who	the socket which has received the packet (SENDER or RECEIVER)

Reimplemented in TcpZeroWindowTest, TimestampTestCase, TcpSlowStartNormalTest, TcpRttEstimationTest, TcpRateLinuxWithSocketsTest, TcpPktsAckedOpenTest, TcpPacingTest, TcpLargeTransferLossTest, TcpLinuxRenoCongAvoidTest, TcpLinuxRenoSSTest, TcpFastRetrTest, ns3::TcpEcnTest, TcpDctcpCodePointsTest, ns3::TcpCloseWithLossTestCase, and TcpBytesInFlightTest.

Definition at line 482 of file tcp-general-test.cc.

References NS_LOG_FUNCTION.

Referenced by RxPacketCb().

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◆ RxPacketCb()

void TcpGeneralTest::RxPacketCb	(	const Ptr< const Packet >	p,
		const TcpHeader &	h,
		const Ptr< const TcpSocketBase >	tcp
	)

private

Rx packet Callback.

Parameters

p	The packet.
h	TCP header.
tcp	The TCP socket.

Definition at line 524 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, Rx(), and SENDER.

Referenced by DoRun().

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◆ SendPacket()

void TcpGeneralTest::SendPacket	(	Ptr< Socket >	socket,
		uint32_t	pktSize,
		uint32_t	pktCount,
		Time	pktInterval
	)

protected

Send packets to other endpoint.

Parameters

socket	Socket
pktSize	size of the packet
pktCount	number of packets to send
pktInterval	interval between packet (application-level)

Definition at line 73 of file tcp-general-test.cc.

References ns3::Socket::Close(), ns3::Time::GetSeconds(), NS_LOG_FUNCTION, pktSize, ns3::Simulator::Schedule(), and ns3::Socket::Send().

Referenced by DoRun().

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◆ SetAppPktCount()

void ns3::TcpGeneralTest::SetAppPktCount ( uint32_t pktCount )

inlineprotected

Set app packet count.

The application will generate this count of packets.

Parameters

pktCount count of packets to generate

Definition at line 650 of file tcp-general-test.h.

References m_pktCount.

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◆ SetAppPktInterval()

void ns3::TcpGeneralTest::SetAppPktInterval ( Time pktInterval )

inlineprotected

Interval between app-generated packet.

Parameters

pktInterval interval

Definition at line 657 of file tcp-general-test.h.

References m_interPacketInterval.

Referenced by TcpPacingTest::ConfigureEnvironment(), TcpSsThreshRtoTest::ConfigureEnvironment(), ConfigureEnvironment(), TcpLargeTransferLossTest::ConfigureEnvironment(), and ns3::TcpCloseWithLossTestCase::ConfigureProperties().

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◆ SetAppPktSize()

void ns3::TcpGeneralTest::SetAppPktSize ( uint32_t pktSize )

inlineprotected

Set app packet size.

The application will generate packet of this size.

Parameters

pktSize size of the packet

Definition at line 641 of file tcp-general-test.h.

References m_pktSize, and pktSize.

Referenced by TcpAdvertisedWindowTest::ConfigureEnvironment(), TcpAdvWindowOnLossTest::ConfigureEnvironment(), TcpNewRenoCongAvoidNormalTest::ConfigureEnvironment(), TcpLinuxRenoSSTest::ConfigureEnvironment(), TcpLinuxRenoCongAvoidTest::ConfigureEnvironment(), TcpPacingTest::ConfigureEnvironment(), TcpSlowStartNormalTest::ConfigureEnvironment(), ConfigureEnvironment(), TcpLargeTransferLossTest::ConfigureEnvironment(), and ns3::TcpCloseWithLossTestCase::ConfigureProperties().

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◆ SetCongestionControl()

void ns3::TcpGeneralTest::SetCongestionControl ( TypeId congControl )

inlineprotected

Congestion control of the sender socket.

Parameters

congControl typeid of the congestion control algorithm

Definition at line 678 of file tcp-general-test.h.

References m_congControlTypeId.

Referenced by ConfigureEnvironment().

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◆ SetDelAckMaxCount()

void TcpGeneralTest::SetDelAckMaxCount	(	SocketWho	who,
		uint32_t	count
	)

protected

Forcefully set the delayed acknowledgement count.

Parameters

who	socket to force
count	value of delayed ACKs

Definition at line 954 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by TcpLinuxRenoSSTest::ConfigureProperties(), TcpLinuxRenoCongAvoidTest::ConfigureProperties(), and TcpPacingTest::ConfigureProperties().

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◆ SetInitialCwnd()

void TcpGeneralTest::SetInitialCwnd	(	SocketWho	who,
		uint32_t	initialCwnd
	)

protected

Forcefully set the initial cwnd.

Parameters

who	socket to force
initialCwnd	size of the initial cwnd (segments)

Definition at line 938 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by ns3::TcpCloseWithLossTestCase::ConfigureProperties(), TcpLinuxRenoSSTest::ConfigureProperties(), TcpLinuxRenoCongAvoidTest::ConfigureProperties(), TcpPacingTest::ConfigureProperties(), TcpZeroWindowTest::ConfigureProperties(), and ConfigureProperties().

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◆ SetInitialSsThresh()

void TcpGeneralTest::SetInitialSsThresh	(	SocketWho	who,
		uint32_t	initialSsThresh
	)

protected

Forcefully set the initial ssthresh.

Parameters

who	socket to force
initialSsThresh	Initial slow start threshold (bytes)

Definition at line 1021 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by TcpNewRenoCongAvoidNormalTest::ConfigureProperties(), TcpFastRetrTest::ConfigureProperties(), TcpLinuxRenoCongAvoidTest::ConfigureProperties(), TcpPacingTest::ConfigureProperties(), TcpRtoTest::ConfigureProperties(), TcpSlowStartNormalTest::ConfigureProperties(), and ConfigureProperties().

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◆ SetMTU()

void ns3::TcpGeneralTest::SetMTU ( uint32_t mtu )

inlineprotected

MTU of the bottleneck link.

Parameters

mtu MTU

Definition at line 692 of file tcp-general-test.h.

References m_mtu.

Referenced by TcpNewRenoCongAvoidNormalTest::ConfigureEnvironment(), TcpLinuxRenoCongAvoidTest::ConfigureEnvironment(), TcpPacingTest::ConfigureEnvironment(), TcpPktsAckedOpenTest::ConfigureEnvironment(), TcpRttEstimationTest::ConfigureEnvironment(), TcpZeroWindowTest::ConfigureEnvironment(), ConfigureEnvironment(), and ns3::TcpCloseWithLossTestCase::ConfigureProperties().

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◆ SetPaceInitialWindow()

void TcpGeneralTest::SetPaceInitialWindow	(	SocketWho	who,
		bool	paceWindow
	)

protected

Enable or disable pacing of the initial window.

Parameters

who	socket
paceWindow	Boolean to enable or disable pacing of initial window

Definition at line 1004 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by TcpPacingTest::ConfigureProperties().

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◆ SetPacingStatus()

void TcpGeneralTest::SetPacingStatus	(	SocketWho	who,
		bool	pacing
	)

protected

Enable or disable pacing in the TCP socket.

Parameters

who	socket
pacing	Boolean to enable or disable pacing

Definition at line 987 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by TcpPacingTest::ConfigureProperties().

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◆ SetPropagationDelay()

void ns3::TcpGeneralTest::SetPropagationDelay ( Time propDelay )

inlineprotected

Propagation delay of the bottleneck link.

Parameters

propDelay propagation delay

Definition at line 664 of file tcp-general-test.h.

References m_propagationDelay.

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◆ SetRcvBufSize()

void TcpGeneralTest::SetRcvBufSize	(	SocketWho	who,
		uint32_t	size
	)

protected

Forcefully set a defined size for rx buffer.

Parameters

who	socket to force
size	size of the rx buffer

Definition at line 904 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by TcpZeroWindowTest::IncreaseBufSize().

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◆ SetRecoveryAlgorithm()

void ns3::TcpGeneralTest::SetRecoveryAlgorithm ( TypeId recovery )

inlineprotected

recovery algorithm of the sender socket

Parameters

recovery typeid of the recovery algorithm

Definition at line 685 of file tcp-general-test.h.

References m_recoveryTypeId.

Referenced by ConfigureEnvironment().

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◆ SetSegmentSize()

void TcpGeneralTest::SetSegmentSize	(	SocketWho	who,
		uint32_t	segmentSize
	)

protected

Forcefully set the segment size.

Parameters

who	socket to force
segmentSize	segmentSize

Definition at line 921 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, segmentSize, and SENDER.

Referenced by ns3::TcpCloseWithLossTestCase::ConfigureProperties(), TcpNewRenoCongAvoidNormalTest::ConfigureProperties(), TcpLinuxRenoSSTest::ConfigureProperties(), TcpLinuxRenoCongAvoidTest::ConfigureProperties(), TcpPacingTest::ConfigureProperties(), TcpSlowStartNormalTest::ConfigureProperties(), ConfigureProperties(), and TcpLargeTransferLossTest::ConfigureProperties().

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◆ SetTransmitStart()

void ns3::TcpGeneralTest::SetTransmitStart ( Time startTime )

inlineprotected

Set the initial time at which the application sends the first data packet.

Parameters

startTime start time

Definition at line 671 of file tcp-general-test.h.

References m_startTime, and startTime.

Referenced by TcpAdvertisedWindowTest::ConfigureEnvironment(), TcpAdvWindowOnLossTest::ConfigureEnvironment(), TcpBytesInFlightTest::ConfigureEnvironment(), TcpPacingTest::ConfigureEnvironment(), TcpRateLinuxWithSocketsTest::ConfigureEnvironment(), TcpRttEstimationTest::ConfigureEnvironment(), TcpZeroWindowTest::ConfigureEnvironment(), ConfigureEnvironment(), and TcpLargeTransferLossTest::ConfigureEnvironment().

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◆ SetUseEcn()

void TcpGeneralTest::SetUseEcn	(	SocketWho	who,
		TcpSocketState::UseEcn_t	useEcn
	)

protected

Forcefully set the ECN mode of use.

Parameters

who	socket to force
useEcn	Value representing the mode of ECN usage requested

Definition at line 970 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, and SENDER.

Referenced by TcpDctcpCodePointsTest::ConfigureProperties(), and ns3::TcpEcnTest::ConfigureProperties().

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◆ SsThreshTrace()

virtual void ns3::TcpGeneralTest::SsThreshTrace	(	[[maybe_unused] ] uint32_t	oldValue,
		[[maybe_unused] ] uint32_t	newValue
	)

inlineprotectedvirtual

Slow start threshold changes.

This applies only for sender socket.

Parameters

oldValue	old value
newValue	new value

Definition at line 747 of file tcp-general-test.h.

Referenced by DoRun().

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◆ Tx()

void TcpGeneralTest::Tx	(	const Ptr< const Packet >	p,
		const TcpHeader &	h,
		SocketWho	who
	)

protectedvirtual

Packet transmitted down to IP layer.

Parameters

p	packet
h	header
who	the socket which has received the packet (SENDER or RECEIVER)

Reimplemented in TcpZeroWindowTest, WScalingTestCase, TimestampTestCase, TcpSlowStartNormalTest, SackPermittedTestCase, TcpRttEstimationTest, TcpTimeRtoTest, TcpPacingTest, TcpLargeTransferLossTest, TcpLinuxRenoCongAvoidTest, TcpLinuxRenoSSTest, TcpFastRetrTest, ns3::TcpEcnTest, TcpDctcpCodePointsTest, ns3::TcpCloseWithLossTestCase, and TcpBytesInFlightTest.

Definition at line 476 of file tcp-general-test.cc.

References NS_LOG_FUNCTION.

Referenced by TxPacketCb().

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◆ TxPacketCb()

void TcpGeneralTest::TxPacketCb	(	const Ptr< const Packet >	p,
		const TcpHeader &	h,
		const Ptr< const TcpSocketBase >	tcp
	)

private

Tx packet Callback.

Parameters

p	The packet.
h	TCP header.
tcp	The TCP socket.

Definition at line 506 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, SENDER, and Tx().

Referenced by DoRun().

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◆ UpdatedRttHistory()

virtual void ns3::TcpGeneralTest::UpdatedRttHistory	(	[[maybe_unused] ] const SequenceNumber32 &	seq,
		[[maybe_unused] ] uint32_t	sz,
		[[maybe_unused] ] bool	isRetransmission,
		[[maybe_unused] ] SocketWho	who
	)

inlineprotectedvirtual

Updated the Rtt history.

Parameters

seq	Sequence inserted
sz	size
isRetransmission	self-explanatory
who	where the rtt history was updated

Definition at line 931 of file tcp-general-test.h.

Referenced by UpdateRttHistoryCb().

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◆ UpdateRttHistoryCb()

void TcpGeneralTest::UpdateRttHistoryCb	(	Ptr< const TcpSocketBase >	tcp,
		const SequenceNumber32 &	seq,
		uint32_t	sz,
		bool	isRetransmission
	)

private

Update RTT with new data.

Parameters

tcp	The TCP socket.
seq	The sequence number.
sz	The segment size.
isRetransmission	True if packet is a retransmission.

Definition at line 387 of file tcp-general-test.cc.

References m_receiverSocket, m_senderSocket, NS_FATAL_ERROR, RECEIVER, SENDER, and UpdatedRttHistory().

Referenced by DoRun().

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Member Data Documentation

◆ m_congControlTypeId

TypeId ns3::TcpGeneralTest::m_congControlTypeId

protected

Congestion control.

Definition at line 1011 of file tcp-general-test.h.

Referenced by TcpFastRetrTest::TcpFastRetrTest(), TcpLinuxRenoCongAvoidTest::TcpLinuxRenoCongAvoidTest(), TcpLinuxRenoSSTest::TcpLinuxRenoSSTest(), TcpNewRenoCongAvoidNormalTest::TcpNewRenoCongAvoidNormalTest(), TcpPacingTest::TcpPacingTest(), TcpRtoTest::TcpRtoTest(), TcpSlowStartNormalTest::TcpSlowStartNormalTest(), TcpSsThreshRtoTest::TcpSsThreshRtoTest(), TcpTimeRtoTest::TcpTimeRtoTest(), ConfigureEnvironment(), TcpAdvertisedWindowTest::CreateReceiverSocket(), TcpAdvWindowOnLossTest::CreateReceiverSocket(), CreateReceiverSocket(), TcpSlowStartAttackerTest::CreateReceiverSocket(), ns3::TcpEcnTest::CreateSenderSocket(), CreateSenderSocket(), and SetCongestionControl().

◆ m_interPacketInterval

Time ns3::TcpGeneralTest::m_interPacketInterval

private

Time between sending application packet down to tcp socket.

Definition at line 1024 of file tcp-general-test.h.

Referenced by DoRun(), GetPktInterval(), and SetAppPktInterval().

◆ m_mtu

uint32_t ns3::TcpGeneralTest::m_mtu

private

MTU of the environment.

Definition at line 1020 of file tcp-general-test.h.

Referenced by DoRun(), GetMtu(), and SetMTU().

◆ m_pktCount

uint32_t ns3::TcpGeneralTest::m_pktCount

private

Count of the application packet.

Definition at line 1023 of file tcp-general-test.h.

Referenced by DoRun(), GetPktCount(), and SetAppPktCount().

◆ m_pktSize

uint32_t ns3::TcpGeneralTest::m_pktSize

private

Size of the application packet.

Definition at line 1022 of file tcp-general-test.h.

Referenced by DoRun(), GetPktSize(), and SetAppPktSize().

◆ m_propagationDelay

Time ns3::TcpGeneralTest::m_propagationDelay

private

Propagation delay of the channel.

Definition at line 1017 of file tcp-general-test.h.

Referenced by CreateChannel(), GetPropagationDelay(), and SetPropagationDelay().

◆ m_receiverSocket

Ptr<TcpSocketMsgBase> ns3::TcpGeneralTest::m_receiverSocket

private

◆ m_recoveryTypeId

TypeId ns3::TcpGeneralTest::m_recoveryTypeId

protected

Recovery.

Definition at line 1012 of file tcp-general-test.h.

Referenced by ConfigureEnvironment(), CreateReceiverSocket(), CreateSenderSocket(), CreateSocket(), and SetRecoveryAlgorithm().

◆ m_remoteAddr

InetSocketAddress ns3::TcpGeneralTest::m_remoteAddr

private

Remote peer address.

Definition at line 1137 of file tcp-general-test.h.

Referenced by DoConnect(), and DoRun().

◆ m_senderSocket

Ptr<TcpSocketMsgBase> ns3::TcpGeneralTest::m_senderSocket

private

◆ m_startTime

Time ns3::TcpGeneralTest::m_startTime

private

Data transmission time.

Definition at line 1019 of file tcp-general-test.h.

Referenced by DoRun(), GetStartTime(), and SetTransmitStart().

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

src/internet/test/tcp-general-test.h
src/internet/test/tcp-general-test.cc

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Private Attributes

Detailed Description

Member Enumeration Documentation

◆ SocketWho

Constructor & Destructor Documentation

◆ TcpGeneralTest()

◆ ~TcpGeneralTest()

Member Function Documentation

◆ AfterRetransmitCb()

◆ AfterRTOExpired()

◆ BeforeRetransmitCb()

◆ BeforeRTOExpired()

◆ BytesInFlightTrace()

◆ ConfigureEnvironment()

◆ ConfigureProperties()

◆ CongStateTrace()

◆ CreateChannel()

◆ CreateReceiverErrorModel()

◆ CreateReceiverSocket()

◆ CreateSenderErrorModel()

◆ CreateSenderSocket()

◆ CreateSocket() [1/2]

◆ CreateSocket() [2/2]

◆ CWndInflTrace()

◆ CWndTrace()

◆ DataSent()

◆ DataSentCb()

◆ DoConnect()

◆ DoRun()

◆ DoTeardown()

◆ ErrorClose()

◆ ErrorCloseCb()

◆ FinalChecks()

◆ ForkCb()

◆ GetClockGranularity()

◆ GetConnTimeout()

◆ GetDelAckCount()

◆ GetDelAckTimeout()

◆ GetDupAckCount()

◆ GetHighestTxMark()

◆ GetInitialCwnd()

◆ GetInitialSsThresh()

◆ GetMinRto()

◆ GetMtu()

◆ GetPersistentEvent()

◆ GetPersistentTimeout()

◆ GetPktCount()

◆ GetPktInterval()

◆ GetPktSize()

◆ GetPropagationDelay()

◆ GetReceiverSocket()

◆ GetReTxThreshold()

◆ GetRto()

◆ GetRttEstimator()

◆ GetRWnd()

◆ GetRxBuffer()

◆ GetSegSize()

◆ GetSenderSocket()

◆ GetStartTime()

◆ GetTcb()

◆ GetTcpState()

◆ GetTxBuffer()

◆ HandleAccept()

◆ HighestTxSeqTrace()

◆ NextTxSeqTrace()

◆ NormalClose()

◆ NormalCloseCb()

◆ PhyDrop()

◆ PhyDropCb()

◆ ProcessedAck()

◆ ProcessedAckCb()

◆ QueueDrop()

◆ QueueDropCb()

◆ RateSampleUpdatedTrace()

◆ RateUpdatedTrace()