Send one packet from one WifiNetDevice to other. More...

Inheritance diagram for SendOnePacketTestCase:

Collaboration diagram for SendOnePacketTestCase:

Public Member Functions
	SendOnePacketTestCase ()
	Constructor.

Public Member Functions inherited from WifiCoTraceHelperBaseTestCase
	WifiCoTraceHelperBaseTestCase (const std::string &testName)
	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
	Executes test case and assertions.

void	DoSetup () override
	Setup test case's scenario.

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 WifiCoTraceHelperBaseTestCase
void	ConfigureTidToLinkMapping (const std::string &mapping)
	A helper function that sets tid-to-link mapping.

void	DisableAggregation ()
	A helper function that disables frame aggregation.

const std::map< WifiPhyState, Time > &	GetChannelOccupancy (size_t nodeId, size_t linkId, WifiCoTraceHelper &coHelper)
	It gets the channel occupancy of a link on a node measured by WifiCoTraceHelper.

Ptr< PacketSocketClient >	InstallPacketSocketClient (Ptr< Node > client, Ptr< Node > server, size_t prot, Time startAfter, size_t numPkts, size_t pktLen, size_t tid)
	A helper function that installs PacketSocketClient application on a node.

void	InstallPacketSocketServer (Ptr< Node > node, Time startAfter, size_t prot)
	A helper function that installs PacketSocketServer on a node.

void	SchedulePackets (Ptr< Node > from, Ptr< Node > to, Time startAfter, size_t numPkts, size_t pktLen, size_t tid)
	A helper function that schedules to send given number of packets from one node to another.

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.

Protected Attributes inherited from WifiCoTraceHelperBaseTestCase
NetDeviceContainer	m_devices
	Container of all devices instantiated in this test case.

NodeContainer	m_nodes
	Container of all nodes instantiated in this test case.

Time	m_simulationStop {Seconds(5.0)}
	Instant at which simulation should stop.

size_t	protocol
	A unique Protocol used in each PacketSocketClient and PacketSocketServer pair.

Detailed Description

Send one packet from one WifiNetDevice to other.

This test case sends a single packet from one wifi device to another, operating in Adhoc mode, and compares the TX duration measured by WifiCoTraceHelper with the analytically calculated value.

Definition at line 274 of file wifi-co-trace-helper-test.cc.

Constructor & Destructor Documentation

◆ SendOnePacketTestCase()

SendOnePacketTestCase::SendOnePacketTestCase ( )

Constructor.

Definition at line 287 of file wifi-co-trace-helper-test.cc.

Member Function Documentation

◆ DoRun()

void SendOnePacketTestCase::DoRun ( )

overrideprivatevirtual

Executes test case and assertions.

Size of frame in Bytes = 204 (payload) + 34 (Mac & Phy Headers) = 238 Frame Size in bits + Phy service and tail bits = 238*8 + 22 = 1926 Phy rate at MCS 11, 40 MHz, 800 ns GI, 1 spatial stream = 286.6 Mbps Symbol duration = 12.8 + 0.8 = 13.6 us Number of symbols = ceil(1926 / (286.6 * 13.6)) = 1

If we replace payload size from 204 to 504 in the above calculation in comments, then number of symbols equals 2. Number of symbols = ceil(4326 / (286.6 * 13.6)) = 2

If we replace payload size from 204 to 1004 in the above calculation in comments, then number of symbols equals 3. Number of symbols = ceil(8326 / (286.6 * 13.6)) = 2

Data Packet

Preamble Duration = 48 us Symbol Duration = 12.8 + 0.8 (Guard Interval) = 13.6 us Tx Duration of a packet requiring 1 symbol = (1 * 13.6) + 48 = 61.6 us Tx Duration of a packet requiring 2 symbols = (2 * 13.6) + 48 = 75.2 us Tx Duration of a packet requiring 3 symbols = (3 * 13.6) + 48 = 88.8 us