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"
87 static TypeId GetTypeId (
void);
92 virtual void StartApplication (
void);
93 virtual void StopApplication (
void);
95 void ScheduleTx (
void);
131 .SetGroupName (
"Stats")
202 virtual void DoRun (
void);
213 void CwndChange (uint32_t oldCwnd, uint32_t newCwnd);
217 :
TestCase (
"Check to see that the ns-3 TCP congestion window works as expected against liblinux2.6.26.so"),
218 m_writeResults (false)
232 event.m_newCwnd = newCwnd;
262 devices = pointToPoint.
Install (nodes);
275 std::string nscStack =
"liblinux2.6.26.so";
276 stack.
SetTcp (
"ns3::NscTcpL4Protocol",
"Library",
StringValue (
"liblinux2.6.26.so"));
284 address.
SetBase (
"10.1.1.0",
"255.255.255.252");
292 uint16_t sinkPort = 8080;
308 Ptr<Socket> ns3TcpSocket = Socket::CreateSocket (nodes.
Get (0), TcpSocketFactory::GetTypeId ());
316 app->
Setup (ns3TcpSocket, sinkAddress, 1040, 10,
DataRate (
"5Mbps"));
343 Simulator::Destroy ();
357 const uint32_t MSS = 536;
358 const uint32_t N_EVENTS = 20;
366 for (uint32_t i = 1, from = MSS, to = MSS * 2; i < N_EVENTS; ++i, from += MSS, to += MSS)
396 virtual void DoRun (
void);
397 void VerifyCwndRun (uint32_t beginIdx, uint32_t endIdx, uint32_t initialCwnd, uint32_t mss);
408 void CwndChange (uint32_t oldCwnd, uint32_t newCwnd);
412 :
TestCase (
"Check to see that the ns-3 TCP congestion window works as expected for out-of-order packet delivery"),
413 m_writeResults (false)
427 event.m_newCwnd = newCwnd;
469 ipv4.
SetBase (
"10.1.3.0",
"255.255.255.0");
471 ipv4.
SetBase (
"10.1.2.0",
"255.255.255.0");
473 ipv4.
SetBase (
"10.1.1.0",
"255.255.255.0");
477 Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
486 uint16_t servPort = 50000;
498 Ptr<Socket> ns3TcpSocket = Socket::CreateSocket (n0n1.
Get (0), TcpSocketFactory::GetTypeId ());
503 app->
Setup (ns3TcpSocket, sinkAddress, 1040, 1000,
DataRate (
"1Mbps"));
516 Simulator::Stop (
Seconds (4.1));
518 Simulator::Destroy ();
534 const uint32_t MSS = 536;
535 const uint32_t N_EVENTS = 40;
574 uint32_t cwnd = 5 * MSS;
575 for (uint32_t i = 28; i < N_EVENTS; ++i)
577 double adder =
static_cast<double> (MSS * MSS) / cwnd;
579 cwnd +=
static_cast<uint32_t
> (adder);
583 for (uint32_t i = 0; i < N_EVENTS; ++i)
595 for(uint32_t i = beginIdx, to = initialCwnd; i < endIdx; ++i, to += mss)
holds a vector of ns3::Application pointers.
uint32_t AddApplication(Ptr< Application > application)
Associate an Application to this Node.
static void SendPacket(Ptr< Socket > socket, uint32_t pktSize, uint32_t pktCount, Time pktInterval)
void SetStopTime(Time stop)
Specify application stop time.
Simulation virtual time values and global simulation resolution.
holds a vector of std::pair of Ptr<Ipv4> and interface index.
Hold variables of type string.
NetDeviceContainer Install(NodeContainer c)
#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()
aggregate IP/TCP/UDP functionality to existing Nodes.
A helper to make it easier to instantiate an ns3::PacketSinkApplication on a set of nodes...
bool IsRunning(void) const
This method is syntactic sugar for !IsExpired().
Build a set of PointToPointNetDevice objects.
void CwndChange(uint32_t oldCwnd, uint32_t newCwnd)
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.
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
void EnablePcapAll(std::string prefix, bool promiscuous=false)
Enable pcap output on each device (which is of the appropriate type) in the set of all nodes created ...
void InstallAll(void) const
Aggregate IPv4, IPv6, UDP, and TCP stacks to all nodes in the simulation.
void AddTestCase(TestCase *testCase, enum TestDuration duration)
Add an individual child TestCase to this test suite.
The base class for all ns3 applications.
AttributeValue implementation for Time.
virtual void StartApplication(void)
Application specific startup code.
Hold an unsigned integer type.
#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.
Callback< R > MakeCallback(R(T::*memPtr)(void), OBJ objPtr)
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.
keep track of a set of node pointers.
void SetTcp(std::string tid)
set the Tcp stack which will not need any other parameter.
uint64_t GetBitRate() const
Get the underlying bitrate.
void Install(std::string nodeName) const
Aggregate implementations of the ns3::Ipv4, ns3::Ipv6, ns3::Udp, and ns3::Tcp classes onto the provid...
TestVectors< CwndEvent > m_responses
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.
TimeWithUnit As(const enum Unit unit) const
Attach a unit to a Time, to facilitate output in a specific unit.
An identifier for simulation events.
AttributeValue implementation for DataRate.
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
#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)
void Setup(Ptr< Socket > socket, Address address, uint32_t packetSize, uint32_t nPackets, DataRate dataRate)
ApplicationContainer Install(NodeContainer c) const
Install an ns3::PacketSinkApplication on each node of the input container configured with all the att...
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.
static const uint32_t packetSize
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.
virtual ~Ns3TcpCwndTestCase2()
a unique identifier for an interface.
TypeId SetParent(TypeId tid)
Set the parent TypeId.
void SetStartTime(Time start)
Specify application start time.
void SetBase(Ipv4Address network, Ipv4Mask mask, Ipv4Address base="0.0.0.1")
Set the base network number, network mask and base address.
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const