ns-3: Ipv4FragmentationTest Class Reference

A Discrete-Event Network Simulator

API

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IPv4 Fragmentation Test. More...

Inheritance diagram for Ipv4FragmentationTest:

Collaboration diagram for Ipv4FragmentationTest:

Public Member Functions
	Ipv4FragmentationTest (bool broadcast)
	Constructor.

	~Ipv4FragmentationTest () override

void	DoRun () override
	Implementation to actually run this TestCase.

void	HandleReadClient (Ptr< Socket > socket)
	Handle incoming packets.

void	HandleReadIcmpClient (Ipv4Address icmpSource, uint8_t icmpTtl, uint8_t icmpType, uint8_t icmpCode, uint32_t icmpInfo)
	Handle incoming ICMP packets.

void	HandleReadServer (Ptr< Socket > socket)
	Handle incoming packets.

Ptr< Packet >	SendClient ()
	Send a packet.

void	SetFill (uint8_t *fill, uint32_t fillSize, uint32_t dataSize)
	Set the packet fill.

void	StartClient (Ptr< Node > ClientNode)
	Start the client.

void	StartServer (Ptr< Node > ServerNode)
	Start the server.

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

virtual	~TestCase ()
	Destructor.

std::string	GetName () const

TestCase &	operator= (const TestCase &)=delete

Private Attributes
bool	m_broadcast
	broadcast packets

uint8_t *	m_data
	Data.

uint32_t	m_dataSize
	Data size.

uint8_t	m_icmpType
	ICMP type.

Ptr< Packet >	m_receivedPacketClient
	Packet received by client.

Ptr< Packet >	m_receivedPacketServer
	Packet received by server.

Ptr< Packet >	m_sentPacketClient
	Packet sent by client.

uint32_t	m_size
	packet size.

Ptr< Socket >	m_socketClient
	Client socket.

Ptr< Socket >	m_socketServer
	Server socket.

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...

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

IPv4 Fragmentation Test.

Definition at line 119 of file ipv4-fragmentation-test.cc.

Constructor & Destructor Documentation

◆ Ipv4FragmentationTest()

Ipv4FragmentationTest::Ipv4FragmentationTest ( bool broadcast )

Constructor.

Parameters

broadcast send broadcast packets (true) or unicast packets (false)

Definition at line 196 of file ipv4-fragmentation-test.cc.

References ns3::TestCase::TestCase(), m_broadcast, m_data, m_dataSize, m_icmpType, m_size, and m_socketServer.

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◆ ~Ipv4FragmentationTest()

Ipv4FragmentationTest::~Ipv4FragmentationTest ( )

override

Definition at line 208 of file ipv4-fragmentation-test.cc.

References m_data, and m_dataSize.

Member Function Documentation

◆ DoRun()

void Ipv4FragmentationTest::DoRun ( )

overridevirtual

Implementation to actually run this TestCase.

Subclasses should override this method to conduct their tests.

Implements ns3::TestCase.

Definition at line 355 of file ipv4-fragmentation-test.cc.

References ns3::Create(), ns3::CreateObject(), ns3::Simulator::Destroy(), ns3::DynamicCast(), ns3::NetDeviceContainer::Get(), ns3::ByteTagIterator::Item::GetEnd(), ns3::TypeId::GetName(), ns3::ByteTagIterator::Item::GetStart(), ns3::ByteTagIterator::Item::GetTag(), IPv4TestTag::GetToken(), ns3::ByteTagIterator::Item::GetTypeId(), ns3::ByteTagIterator::HasNext(), ns3::SimpleNetDeviceHelper::Install(), m_data, m_icmpType, m_receivedPacketServer, m_socketClient, ns3::ByteTagIterator::Next(), nodes, NS_TEST_EXPECT_MSG_EQ, NS_TEST_EXPECT_MSG_NE, packetSize, ns3::Simulator::Run(), ns3::Simulator::ScheduleWithContext(), ns3::Seconds(), SendClient(), ns3::Config::SetDefault(), SetFill(), ns3::SimpleNetDeviceHelper::SetNetDevicePointToPointMode(), StartClient(), and StartServer().

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◆ HandleReadClient()

void Ipv4FragmentationTest::HandleReadClient ( Ptr< Socket > socket )

Handle incoming packets.

Parameters

socket The receiving socket.

Definition at line 270 of file ipv4-fragmentation-test.cc.

References ns3::InetSocketAddress::IsMatchingType(), and m_receivedPacketClient.

Referenced by StartClient().

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◆ HandleReadIcmpClient()

void Ipv4FragmentationTest::HandleReadIcmpClient	(	Ipv4Address	icmpSource,
		uint8_t	icmpTtl,
		uint8_t	icmpType,
		uint8_t	icmpCode,
		uint32_t	icmpInfo )

Handle incoming ICMP packets.

Parameters

icmpSource	The ICMP sender.
icmpTtl	The ICMP TTL.
icmpType	The ICMP Type.
icmpCode	The ICMP Code.
icmpInfo	The ICMP Info.

Definition at line 284 of file ipv4-fragmentation-test.cc.

References m_icmpType.

Referenced by StartClient().

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◆ HandleReadServer()

void Ipv4FragmentationTest::HandleReadServer ( Ptr< Socket > socket )

Handle incoming packets.

Parameters

socket The receiving socket.

Definition at line 239 of file ipv4-fragmentation-test.cc.

References ns3::InetSocketAddress::IsMatchingType(), and m_receivedPacketServer.

Referenced by StartServer().

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◆ SendClient()

Ptr< Packet > Ipv4FragmentationTest::SendClient ( )

Send a packet.

Returns: The sent packet.

Definition at line 322 of file ipv4-fragmentation-test.cc.

References ns3::InetSocketAddress::ConvertFrom(), ns3::Create(), ns3::Ipv4Address::GetBroadcast(), m_broadcast, m_data, m_dataSize, m_size, m_socketClient, ns3::InetSocketAddress::SetIpv4(), and IPv4TestTag::SetToken().

Referenced by DoRun().

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◆ SetFill()

void Ipv4FragmentationTest::SetFill	(	uint8_t *	fill,
		uint32_t	fillSize,
		uint32_t	dataSize )

Set the packet fill.

Parameters

fill	The fill.
fillSize	The fill size.
dataSize	The packet size.

Definition at line 294 of file ipv4-fragmentation-test.cc.

References m_data, m_dataSize, and m_size.

Referenced by DoRun().

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◆ StartClient()

void Ipv4FragmentationTest::StartClient ( Ptr< Node > ClientNode )

Start the client.

Parameters

ClientNode The client.

Definition at line 253 of file ipv4-fragmentation-test.cc.

References ns3::Socket::CreateSocket(), HandleReadClient(), HandleReadIcmpClient(), ns3::TypeId::LookupByName(), m_broadcast, m_socketClient, and ns3::MakeCallback().

Referenced by DoRun().

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◆ StartServer()

void Ipv4FragmentationTest::StartServer ( Ptr< Node > ServerNode )

Start the server.

Parameters

ServerNode The server.

Definition at line 219 of file ipv4-fragmentation-test.cc.

References ns3::Socket::CreateSocket(), ns3::DynamicCast(), ns3::Ipv4Address::GetAny(), HandleReadServer(), ns3::TypeId::LookupByName(), m_socketServer, and ns3::MakeCallback().

Referenced by DoRun().

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Member Data Documentation

◆ m_broadcast

bool Ipv4FragmentationTest::m_broadcast

private

broadcast packets

Definition at line 131 of file ipv4-fragmentation-test.cc.

Referenced by Ipv4FragmentationTest(), SendClient(), and StartClient().

◆ m_data

uint8_t* Ipv4FragmentationTest::m_data

private

Data.

Definition at line 128 of file ipv4-fragmentation-test.cc.

Referenced by Ipv4FragmentationTest(), ~Ipv4FragmentationTest(), DoRun(), SendClient(), and SetFill().

◆ m_dataSize

uint32_t Ipv4FragmentationTest::m_dataSize

private

Data size.

Definition at line 127 of file ipv4-fragmentation-test.cc.

Referenced by Ipv4FragmentationTest(), ~Ipv4FragmentationTest(), SendClient(), and SetFill().

◆ m_icmpType

uint8_t Ipv4FragmentationTest::m_icmpType

private

ICMP type.

Definition at line 130 of file ipv4-fragmentation-test.cc.

Referenced by Ipv4FragmentationTest(), DoRun(), and HandleReadIcmpClient().

◆ m_receivedPacketClient

Ptr<Packet> Ipv4FragmentationTest::m_receivedPacketClient

private

Packet received by client.

Definition at line 122 of file ipv4-fragmentation-test.cc.

Referenced by HandleReadClient().

◆ m_receivedPacketServer

Ptr<Packet> Ipv4FragmentationTest::m_receivedPacketServer

private

Packet received by server.

Definition at line 123 of file ipv4-fragmentation-test.cc.

Referenced by DoRun(), and HandleReadServer().

◆ m_sentPacketClient

Ptr<Packet> Ipv4FragmentationTest::m_sentPacketClient

private

Packet sent by client.

Definition at line 121 of file ipv4-fragmentation-test.cc.

◆ m_size

uint32_t Ipv4FragmentationTest::m_size

private

packet size.

Definition at line 129 of file ipv4-fragmentation-test.cc.

Referenced by Ipv4FragmentationTest(), SendClient(), and SetFill().

◆ m_socketClient

Ptr<Socket> Ipv4FragmentationTest::m_socketClient

private

Client socket.

Definition at line 126 of file ipv4-fragmentation-test.cc.

Referenced by DoRun(), SendClient(), and StartClient().

◆ m_socketServer

Ptr<Socket> Ipv4FragmentationTest::m_socketServer

private

Server socket.

Definition at line 125 of file ipv4-fragmentation-test.cc.

Referenced by Ipv4FragmentationTest(), and StartServer().

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

src/internet/test/ipv4-fragmentation-test.cc

Ipv4FragmentationTest
Generated on Fri Oct 24 2025 18:45:22 for ns-3 by 1.13.2