20 #include "ns3/abort.h" 22 #include "ns3/pcap-file.h" 23 #include "ns3/config.h" 24 #include "ns3/string.h" 25 #include "ns3/uinteger.h" 26 #include "ns3/data-rate.h" 27 #include "ns3/inet-socket-address.h" 28 #include "ns3/point-to-point-helper.h" 29 #include "ns3/internet-stack-helper.h" 30 #include "ns3/ipv4-global-routing-helper.h" 31 #include "ns3/ipv4-address-helper.h" 32 #include "ns3/packet-sink-helper.h" 33 #include "ns3/tcp-socket-factory.h" 34 #include "ns3/traffic-control-helper.h" 35 #include "ns3/simulator.h" 36 #include "ns3/point-to-point-net-device.h" 37 #include "ns3/pointer.h" 38 #include "ns3/queue.h" 90 static TypeId GetTypeId (
void);
95 virtual void StartApplication (
void);
96 virtual void StopApplication (
void);
98 void ScheduleTx (
void);
134 .SetGroupName (
"Stats")
205 virtual void DoRun (
void);
216 void CwndChange (uint32_t oldCwnd, uint32_t newCwnd);
220 :
TestCase (
"Check to see that the ns-3 TCP congestion window works as expected against liblinux2.6.26.so"),
221 m_writeResults (false)
235 event.m_newCwnd = newCwnd;
281 std::string nscStack =
"liblinux2.6.26.so";
282 stack.SetTcp (
"ns3::NscTcpL4Protocol",
"Library",
StringValue (
"liblinux2.6.26.so"));
290 address.SetBase (
"10.1.1.0",
"255.255.255.252");
298 uint16_t sinkPort = 8080;
314 Ptr<Socket> ns3TcpSocket = Socket::CreateSocket (
nodes.Get (0), TcpSocketFactory::GetTypeId ());
322 app->
Setup (ns3TcpSocket, sinkAddress, 1040, 10,
DataRate (
"5Mbps"));
323 nodes.Get (0)->AddApplication (app);
349 Simulator::Destroy ();
363 const uint32_t MSS = 536;
364 const uint32_t N_EVENTS = 20;
371 for (uint32_t i = 1, from = MSS, to = MSS * 2; i < N_EVENTS; ++i, from += MSS, to += MSS)
401 virtual void DoRun (
void);
402 void VerifyCwndRun (uint32_t beginIdx, uint32_t endIdx, uint32_t initialCwnd, uint32_t mss);
413 void CwndChange (uint32_t oldCwnd, uint32_t newCwnd);
418 :
TestCase (
"Check to see that the ns-3 TCP congestion window works as expected for out-of-order packet delivery"),
419 m_writeResults (false)
433 event.m_newCwnd = newCwnd;
442 NS_LOG_DEBUG (
"Cwnd NOT INFLATED change event " <<
m_responses.GetN () <<
" at " <<
Now ().
As (Time::S) <<
" " << oldCwnd <<
" " << newCwnd);
451 Packet::EnablePrinting ();
484 ipv4.
SetBase (
"10.1.3.0",
"255.255.255.0");
486 ipv4.
SetBase (
"10.1.2.0",
"255.255.255.0");
488 ipv4.
SetBase (
"10.1.1.0",
"255.255.255.0");
492 Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
501 uint16_t servPort = 50000;
513 Ptr<Socket> ns3TcpSocket = Socket::CreateSocket (n0n1.
Get (0), TcpSocketFactory::GetTypeId ());
521 app->
Setup (ns3TcpSocket, sinkAddress, 1040, 1000,
DataRate (
"1Mbps"));
534 Simulator::Stop (
Seconds (4.1));
536 Simulator::Destroy ();
552 const uint32_t MSS = 536;
553 const uint32_t N_EVENTS = 38;
590 uint32_t cwnd = 2412;
591 for (uint32_t i = 26; i < N_EVENTS; ++i)
593 double adder =
static_cast<double> (MSS * MSS) / cwnd;
595 cwnd +=
static_cast<uint32_t
> (adder);
599 for (uint32_t i = 0; i < N_EVENTS; ++i)
611 for(uint32_t i = beginIdx, to = initialCwnd; i < endIdx; ++i, to += mss)
void InstallAll(void) const
Aggregate IPv4, IPv6, UDP, and TCP stacks to all nodes in the simulation.
holds a vector of ns3::Application pointers.
uint32_t AddApplication(Ptr< Application > application)
Associate an Application to this Node.
void SetStopTime(Time stop)
Specify application stop time.
Simulation virtual time values and global simulation resolution.
AttributeValue implementation for Boolean.
Class for representing queue sizes.
holds a vector of std::pair of Ptr<Ipv4> and interface index.
Hold variables of type string.
NetDeviceContainer Install(NodeContainer c)
static const uint32_t packetSize
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Time MilliSeconds(uint64_t value)
Construct a Time in the indicated unit.
virtual ~Ns3TcpCwndTestCase1()
ApplicationContainer Install(NodeContainer c) const
Install an ns3::PacketSinkApplication on each node of the input container configured with all the att...
aggregate IP/TCP/UDP functionality to existing Nodes.
A helper to make it easier to instantiate an ns3::PacketSinkApplication on a set of nodes...
Build a set of PointToPointNetDevice objects.
void CwndChange(uint32_t oldCwnd, uint32_t newCwnd)
TimeWithUnit As(const enum Unit unit) const
Attach a unit to a Time, to facilitate output in a specific unit.
void Uninstall(NetDeviceContainer c)
void SetDeviceAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each NetDevice created by the helper.
uint64_t GetBitRate() const
Get the underlying bitrate.
a polymophic address class
A simple way to store test vectors (for stimulus or from responses)
virtual void StopApplication(void)
Application specific shutdown code.
Class for representing data rates.
TestVectors< CwndEvent > m_responses
The base class for all ns3 applications.
AttributeValue implementation for Time.
virtual void StartApplication(void)
Application specific startup code.
void AddTestCase(TestCase *testCase, TestDuration duration=QUICK)
Add an individual child TestCase to this test suite.
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const
Hold an unsigned integer type.
Use number of packets for queue size.
#define NS_TEST_ASSERT_MSG_EQ(actual, limit, msg)
Test that an actual and expected (limit) value are equal and report and abort if not.
holds a vector of ns3::NetDevice pointers
virtual void DoRun(void)
Implementation to actually run this TestCase.
Build a set of QueueDisc objects.
Ns3TcpCwndTestSuite ns3TcpCwndTestSuite
void Start(Time start)
Arrange for all of the Applications in this container to Start() at the Time given as a parameter...
virtual int Connect(const Address &address)=0
Initiate a connection to a remote host.
void VerifyCwndRun(uint32_t beginIdx, uint32_t endIdx, uint32_t initialCwnd, uint32_t mss)
static TypeId GetTypeId(void)
Register this type.
bool TraceConnectWithoutContext(std::string name, const CallbackBase &cb)
Connect a TraceSource to a Callback without a context.
virtual void DoRun(void)
Implementation to actually run this TestCase.
virtual int Bind(const Address &address)=0
Allocate a local endpoint for this socket.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
keep track of a set of node pointers.
TestVectors< CwndEvent > m_responses
void SendPacket(Ptr< NetDevice > sourceDevice, Address &destination)
This example (inspired from tv-trans-example) enables to generate the transmitted spectra of Wi-Fi st...
void SetChannelAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each Channel created by the helper.
void Stop(Time stop)
Arrange for all of the Applications in this container to Stop() at the Time given as a parameter...
Ipv4InterfaceContainer Assign(const NetDeviceContainer &c)
Assign IP addresses to the net devices specified in the container based on the current network prefix...
void Add(NodeContainer other)
Append the contents of another NodeContainer to the end of this container.
An identifier for simulation events.
AttributeValue implementation for DataRate.
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
Time Seconds(double value)
Construct a Time in the indicated unit.
void SetDefault(std::string name, const AttributeValue &value)
bool IsRunning(void) const
This method is syntactic sugar for !IsExpired().
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
void Setup(Ptr< Socket > socket, Address address, uint32_t packetSize, uint32_t nPackets, DataRate dataRate)
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
Time Now(void)
create an ns3::Time instance which contains the current simulation time.
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
void CwndChange(uint32_t oldCwnd, uint32_t newCwnd)
virtual int Send(Ptr< Packet > p, uint32_t flags)=0
Send data (or dummy data) to the remote host.
virtual int Close(void)=0
Close a socket.
void SetAttribute(std::string name, const AttributeValue &value)
Set a single attribute, raising fatal errors if unsuccessful.
virtual ~Ns3TcpCwndTestCase2()
a unique identifier for an interface.
TypeId SetParent(TypeId tid)
Set the parent TypeId.
void SetStartTime(Time start)
Specify application start time.
Callback< R, Ts... > MakeCallback(R(T::*memPtr)(Ts...), OBJ objPtr)
Build Callbacks for class method members which take varying numbers of arguments and potentially retu...
void CwndChangeNotInflated(uint32_t oldCwnd, uint32_t newCwnd)
void SetBase(Ipv4Address network, Ipv4Mask mask, Ipv4Address base="0.0.0.1")
Set the base network number, network mask and base address.