Tests of TCP implementation loss behavior. More...
Public Member Functions | |
Ns3TcpLossTestCase () | |
Ns3TcpLossTestCase (std::string tcpModel, uint32_t testCase) | |
Constructor. | |
~Ns3TcpLossTestCase () override | |
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 | CwndTracer (uint32_t oldval, uint32_t newval) |
CWND trace. | |
void | DoRun () override |
Implementation to actually run this TestCase. | |
void | DoSetup () override |
Implementation to do any local setup required for this TestCase. | |
void | DoTeardown () override |
Implementation to do any local setup required for this TestCase. | |
void | Ipv4L3Tx (std::string context, Ptr< const Packet > packet, Ptr< Ipv4 > ipv4, uint32_t interface) |
Check that the transmitted packets are consistent with the trace. | |
void | StartFlow (Ptr< Socket > localSocket, Ipv4Address servAddress, uint16_t servPort) |
Start transmitting a TCP flow. | |
void | WriteUntilBufferFull (Ptr< Socket > localSocket, uint32_t txSpace) |
Write to the socket until the buffer is full. | |
Private Attributes | |
uint32_t | m_currentTxBytes |
Current number of bytes sent. | |
bool | m_needToClose |
Check if the sending socket need to be closed. | |
Ptr< OutputStreamWrapper > | m_osw |
The output stream. | |
PcapFile | m_pcapFile |
The PCAP ffile. | |
std::string | m_pcapFilename |
The PCAP filename. | |
std::string | m_tcpModel |
The TCP model name. | |
uint32_t | m_testCase |
Testcase number. | |
uint32_t | m_totalTxBytes |
Total number of bytes to send. | |
bool | m_writeLogging |
True if write logging. | |
bool | m_writeResults |
True if write PCAP files. | |
bool | m_writeVectors |
True if response vectors have to be written (and not read). | |
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. | |
Tests of TCP implementation loss behavior.
Definition at line 58 of file ns3tcp-loss-test-suite.cc.
Ns3TcpLossTestCase::Ns3TcpLossTestCase | ( | ) |
Definition at line 129 of file ns3tcp-loss-test-suite.cc.
Ns3TcpLossTestCase::Ns3TcpLossTestCase | ( | std::string | tcpModel, |
uint32_t | testCase ) |
Constructor.
tcpModel | The TCP model name. |
testCase | Testcase number. |
Definition at line 142 of file ns3tcp-loss-test-suite.cc.
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inlineoverride |
Definition at line 71 of file ns3tcp-loss-test-suite.cc.
CWND trace.
oldval | The old value. |
newval | The new value. |
Definition at line 268 of file ns3tcp-loss-test-suite.cc.
References ns3::Time::GetSeconds(), m_osw, m_writeLogging, and ns3::Simulator::Now().
Referenced by DoRun().
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overrideprivatevirtual |
Implementation to actually run this TestCase.
Subclasses should override this method to conduct their tests.
Implements ns3::TestCase.
Definition at line 329 of file ns3tcp-loss-test-suite.cc.
References ns3::NodeContainer::Add(), ns3::Config::Connect(), ns3::Config::ConnectWithoutContext(), ns3::NodeContainer::Create(), ns3::AsciiTraceHelper::CreateFileStream(), ns3::CreateObject(), ns3::Socket::CreateSocket(), CwndTracer(), ns3::Simulator::Destroy(), ns3::NetDeviceContainer::Get(), ns3::NodeContainer::Get(), ns3::Ipv4InterfaceContainer::GetAddress(), ns3::Ipv4Address::GetAny(), ns3::TcpSocketFactory::GetTypeId(), Ipv4L3Tx(), ns3::LOG_LEVEL_ALL, ns3::LOG_LEVEL_DEBUG, ns3::LOG_LEVEL_INFO, ns3::LOG_PREFIX_FUNC, ns3::LogComponentEnable(), ns3::LogComponentEnableAll(), m_osw, m_tcpModel, m_testCase, m_writeLogging, m_writeResults, ns3::MakeCallback(), NS_FATAL_ERROR, ns3::Ipv4GlobalRoutingHelper::PopulateRoutingTables(), ns3::Simulator::Run(), ns3::Simulator::ScheduleNow(), ns3::Seconds(), ns3::Config::SetDefault(), sink, ns3::ApplicationContainer::Start(), StartFlow(), ns3::ApplicationContainer::Stop(), and ns3::Simulator::Stop().
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overrideprivatevirtual |
Implementation to do any local setup required for this TestCase.
Subclasses should override this method to perform any costly per-test setup before DoRun is invoked.
Reimplemented from ns3::TestCase.
Definition at line 156 of file ns3tcp-loss-test-suite.cc.
References ns3::TestCase::CreateDataDirFilename(), ns3::PcapFile::GetDataLinkType(), ns3::TcpClassicRecovery::GetTypeId(), ns3::PcapFile::Init(), m_pcapFile, m_pcapFilename, m_tcpModel, m_testCase, m_writeVectors, NS_ABORT_MSG_UNLESS, ns3::PcapFile::Open(), PCAP_LINK_TYPE, PCAP_SNAPLEN, and ns3::Config::SetDefault().
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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 188 of file ns3tcp-loss-test-suite.cc.
References ns3::PcapFile::Close(), and m_pcapFile.
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private |
Check that the transmitted packets are consistent with the trace.
This callback is hooked to ns3::Ipv4L3Protocol/Tx.
context | The callback context (unused). |
packet | The transmitted packet. |
ipv4 | The IPv4 object that did send the packet (unused). |
interface | The IPv4 interface that did send the packet (unused). |
Definition at line 194 of file ns3tcp-loss-test-suite.cc.
References ns3::Create(), ns3::Time::GetMicroSeconds(), ns3::TestCase::IsStatusSuccess(), m_pcapFile, m_tcpModel, m_testCase, m_writeVectors, ns3::Simulator::Now(), NS_LOG_DEBUG, NS_LOG_INFO, NS_TEST_EXPECT_MSG_EQ, PCAP_SNAPLEN, ns3::PcapFile::Read(), and ns3::PcapFile::Write().
Referenced by DoRun().
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private |
Start transmitting a TCP flow.
localSocket | The sending socket. |
servAddress | The IPv4 address of the server (i.e., the destination address). |
servPort | The TCP port of the server (i.e., the destination port). |
Definition at line 314 of file ns3tcp-loss-test-suite.cc.
References ns3::Time::GetSeconds(), m_writeLogging, ns3::MakeCallback(), ns3::Simulator::Now(), and WriteUntilBufferFull().
Referenced by DoRun().
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private |
Write to the socket until the buffer is full.
localSocket | The output socket. |
txSpace | The space left on the socket (unused). |
Definition at line 280 of file ns3tcp-loss-test-suite.cc.
References ns3::Time::GetSeconds(), m_currentTxBytes, m_needToClose, m_totalTxBytes, m_writeLogging, ns3::Simulator::Now(), and NS_ASSERT.
Referenced by StartFlow().
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private |
Current number of bytes sent.
Definition at line 85 of file ns3tcp-loss-test-suite.cc.
Referenced by WriteUntilBufferFull().
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private |
Check if the sending socket need to be closed.
Definition at line 89 of file ns3tcp-loss-test-suite.cc.
Referenced by WriteUntilBufferFull().
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private |
The output stream.
Definition at line 80 of file ns3tcp-loss-test-suite.cc.
Referenced by CwndTracer(), and DoRun().
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private |
The PCAP ffile.
Definition at line 82 of file ns3tcp-loss-test-suite.cc.
Referenced by DoSetup(), DoTeardown(), and Ipv4L3Tx().
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private |
The PCAP filename.
Definition at line 81 of file ns3tcp-loss-test-suite.cc.
Referenced by DoSetup().
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private |
The TCP model name.
Definition at line 90 of file ns3tcp-loss-test-suite.cc.
Referenced by DoRun(), DoSetup(), and Ipv4L3Tx().
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private |
Testcase number.
Definition at line 83 of file ns3tcp-loss-test-suite.cc.
Referenced by DoRun(), DoSetup(), and Ipv4L3Tx().
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private |
Total number of bytes to send.
Definition at line 84 of file ns3tcp-loss-test-suite.cc.
Referenced by WriteUntilBufferFull().
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private |
True if write logging.
Definition at line 88 of file ns3tcp-loss-test-suite.cc.
Referenced by CwndTracer(), DoRun(), StartFlow(), and WriteUntilBufferFull().
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private |
True if write PCAP files.
Definition at line 87 of file ns3tcp-loss-test-suite.cc.
Referenced by DoRun().
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private |
True if response vectors have to be written (and not read).
Definition at line 86 of file ns3tcp-loss-test-suite.cc.
Referenced by DoSetup(), and Ipv4L3Tx().