void
FlameRegressionTest::CreateDevices ()
{
int64_t streamsUsed = 0;
// 1. setup WiFi
YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
// This test suite output was originally based on YansErrorRateModel
wifiPhy.SetErrorRateModel ("ns3::YansErrorRateModel");
YansWifiChannelHelper wifiChannel = YansWifiChannelHelper::Default ();
Ptr<YansWifiChannel> chan = wifiChannel.Create ();
wifiPhy.SetChannel (chan);
// 2. setup mesh
MeshHelper mesh = MeshHelper::Default ();
mesh.SetStackInstaller ("ns3::FlameStack");
mesh.SetMacType ("RandomStart", TimeValue (Seconds (0.1)));
mesh.SetNumberOfInterfaces (1);
NetDeviceContainer meshDevices = mesh.Install (wifiPhy, *m_nodes);
// Three devices, two streams per device
streamsUsed += mesh.AssignStreams (meshDevices, streamsUsed);
NS_TEST_ASSERT_MSG_EQ (streamsUsed, (meshDevices.GetN () * 2), "Stream assignment unexpected value");
streamsUsed += wifiChannel.AssignStreams (chan, streamsUsed);
NS_TEST_ASSERT_MSG_EQ (streamsUsed, (meshDevices.GetN () * 2), "Stream assignment unexpected value");
// 3. setup TCP/IP
InternetStackHelper internetStack;
internetStack.Install (*m_nodes);
Ipv4AddressHelper address;
address.SetBase ("10.1.1.0", "255.255.255.0");
m_interfaces = address.Assign (meshDevices);
// 4. write PCAP if needed
wifiPhy.EnablePcapAll (CreateTempDirFilename (PREFIX));
}
int
main (int argc, char *argv[])
{
NodeContainer nodes;
nodes.Create (2);
PointToPointHelper pointToPoint;
NetDeviceContainer devices;
devices = pointToPoint.Install (nodes);
InternetStackHelper stack;
stack.Install (nodes);
Ipv4AddressHelper address;
address.SetBase ("10.1.1.0", "255.255.255.252");
Ipv4InterfaceContainer interfaces = address.Assign (devices);
uint16_t sinkPort = 8080;
Address sinkAddress (InetSocketAddress (interfaces.GetAddress (1), sinkPort));
Ptr<PacketSink> receiverApplication = CreateObject<PacketSink> ();
receiverApplication->SetAttribute ("Local", AddressValue (InetSocketAddress (Ipv4Address::GetAny(), 8080)));
receiverApplication->SetAttribute ("Protocol", TypeIdValue(TcpSocketFactory::GetTypeId()));
receiverApplication->TraceConnectWithoutContext ("Rx", MakeCallback (&CountRx));
nodes.Get(1)->AddApplication(receiverApplication);
Ptr<MyApp> app = CreateObject<MyApp> (nodes.Get (0), sinkAddress);
nodes.Get (0)->AddApplication (app);
Simulator::Stop ();
Simulator::Run ();
Simulator::Destroy ();
return 0;
}
//
// Network topology
// (sender) (receiver)
// n0 n1 n2 n3
// | | | |
// =====================
//
// Node n0 sends data to node n3 over a raw IP socket. The protocol
// number used is 2.
//
void
CsmaRawIpSocketTestCase::DoRun (void)
{
// Here, we will explicitly create four nodes.
NodeContainer c;
c.Create (4);
// connect all our nodes to a shared channel.
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", DataRateValue (DataRate (5000000)));
csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
csma.SetDeviceAttribute ("EncapsulationMode", StringValue ("Llc"));
NetDeviceContainer devs = csma.Install (c);
// add an ip stack to all nodes.
InternetStackHelper ipStack;
ipStack.Install (c);
// assign ip addresses
Ipv4AddressHelper ip;
ip.SetBase ("192.168.1.0", "255.255.255.0");
Ipv4InterfaceContainer addresses = ip.Assign (devs);
// IP protocol configuration
//
// Make packets be sent about every DefaultPacketSize / DataRate =
// 4096 bits / (5000 bits/second) = 0.82 second.
Config::SetDefault ("ns3::Ipv4RawSocketImpl::Protocol", StringValue ("2"));
InetSocketAddress dst = InetSocketAddress (addresses.GetAddress (3));
OnOffHelper onoff = OnOffHelper ("ns3::Ipv4RawSocketFactory", dst);
onoff.SetConstantRate (DataRate (5000));
ApplicationContainer apps = onoff.Install (c.Get (0));
apps.Start (Seconds (1.0));
apps.Stop (Seconds (10.0));
PacketSinkHelper sink = PacketSinkHelper ("ns3::Ipv4RawSocketFactory", dst);
apps = sink.Install (c.Get (3));
apps.Start (Seconds (0.0));
apps.Stop (Seconds (12.0));
// Trace receptions
Config::ConnectWithoutContext ("/NodeList/3/ApplicationList/0/$ns3::PacketSink/Rx",
MakeCallback (&CsmaRawIpSocketTestCase::SinkRx, this));
Simulator::Run ();
Simulator::Destroy ();
// We should have sent and received 10 packets
NS_TEST_ASSERT_MSG_EQ (m_count, 10, "Node 3 should have received 10 packets");
}
void
AodvExample::InstallInternetStack ()
{
AodvHelper aodv;
// you can configure AODV attributes here using aodv.Set(name, value)
InternetStackHelper stack;
stack.SetRoutingHelper (aodv); // has effect on the next Install ()
stack.Install (nodes);
Ipv4AddressHelper address;
address.SetBase ("10.0.0.0", "255.0.0.0");
interfaces = address.Assign (devices);
if (printRoutes)
{
Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper> ("aodv.routes", std::ios::out);
aodv.PrintRoutingTableAllAt (Seconds (8), routingStream);
}
}
int
main (int argc, char *argv[])
{
Time::SetResolution (Time::NS);
LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_INFO);
LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_INFO);
NodeContainer nodes;
nodes.Create (2);
PointToPointHelper pointToPoint;
pointToPoint.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
pointToPoint.SetChannelAttribute ("Delay", StringValue ("2ms"));
NetDeviceContainer devices;
devices = pointToPoint.Install (nodes);
InternetStackHelper stack;
stack.Install (nodes);
Ipv4AddressHelper address;
address.SetBase ("10.1.1.0", "255.255.255.0");
Ipv4InterfaceContainer interfaces = address.Assign (devices);
UdpEchoServerHelper echoServer (9);
ApplicationContainer serverApps = echoServer.Install (nodes.Get (1));
serverApps.Start (Seconds (1.0));
serverApps.Stop (Seconds (10.0));
UdpEchoClientHelper echoClient (interfaces.GetAddress (1), 9);
echoClient.SetAttribute ("MaxPackets", UintegerValue (1));
echoClient.SetAttribute ("Interval", TimeValue (Seconds (1.0)));
echoClient.SetAttribute ("PacketSize", UintegerValue (1024));
ApplicationContainer clientApps = echoClient.Install (nodes.Get (0));
clientApps.Start (Seconds (2.0));
clientApps.Stop (Seconds (10.0));
Simulator::Run ();
Simulator::Destroy ();
return 0;
}
int
main (int argc, char *argv[])
{
GlobalValue::Bind ("ChecksumEnabled", BooleanValue (true));
uint16_t sinkPort = 8000;
uint32_t packetSize = 10000; // bytes
std::string dataRate("10Mb/s");
NS_LOG_INFO ("Create Node");
NodeContainer nodes;
nodes.Create (2);
NS_LOG_INFO ("Create Device");
FdNetDeviceHelper fd;
NetDeviceContainer devices = fd.Install (nodes);
int sv[2];
if (socketpair (AF_UNIX, SOCK_DGRAM, 0, sv) < 0)
{
NS_FATAL_ERROR ("Error creating pipe=" << strerror (errno));
}
Ptr<NetDevice> d1 = devices.Get (0);
Ptr<FdNetDevice> clientDevice = d1->GetObject<FdNetDevice> ();
clientDevice->SetFileDescriptor (sv[0]);
Ptr<NetDevice> d2 = devices.Get (1);
Ptr<FdNetDevice> serverDevice = d2->GetObject<FdNetDevice> ();
serverDevice->SetFileDescriptor (sv[1]);
NS_LOG_INFO ("Add Internet Stack");
InternetStackHelper internetStackHelper;
internetStackHelper.SetIpv4StackInstall(true);
internetStackHelper.Install (nodes);
NS_LOG_INFO ("Create IPv4 Interface");
Ipv4AddressHelper addresses;
addresses.SetBase ("10.0.0.0", "255.255.255.0");
Ipv4InterfaceContainer interfaces = addresses.Assign (devices);
Ptr<Node> clientNode = nodes.Get (0);
Ipv4Address serverIp = interfaces.GetAddress (1);
Ptr<Node> serverNode = nodes.Get (1);
// server
Address sinkLocalAddress (InetSocketAddress (serverIp, sinkPort));
PacketSinkHelper sinkHelper ("ns3::TcpSocketFactory", sinkLocalAddress);
ApplicationContainer sinkApp = sinkHelper.Install (serverNode);
sinkApp.Start (Seconds (0.0));
sinkApp.Stop (Seconds (30.0));
fd.EnablePcap ("fd2fd-onoff-server", serverDevice);
// client
AddressValue serverAddress (InetSocketAddress (serverIp, sinkPort));
OnOffHelper onoff ("ns3::TcpSocketFactory", Address ());
onoff.SetAttribute ("Remote", serverAddress);
onoff.SetAttribute ("OnTime", StringValue ("ns3::ConstantRandomVariable[Constant=1]"));
onoff.SetAttribute ("OffTime", StringValue ("ns3::ConstantRandomVariable[Constant=0]"));
onoff.SetAttribute ("DataRate", DataRateValue (dataRate));
onoff.SetAttribute ("PacketSize", UintegerValue (packetSize));
ApplicationContainer clientApps = onoff.Install (clientNode);
clientApps.Start (Seconds (2.0));
clientApps.Stop (Seconds (29.0));
fd.EnablePcap ("fd2fd-onoff-client", clientDevice);
Simulator::Stop (Seconds (30.0));
Simulator::Run ();
Simulator::Destroy ();
}
void
Ns3TcpNoDelayTestCase::DoRun (void)
{
uint16_t sinkPort = 50000;
double sinkStopTime = 8; // sec; will trigger Socket::Close
double writerStopTime = 5; // sec; will trigger Socket::Close
double simStopTime = 10; // sec
Time sinkStopTimeObj = Seconds (sinkStopTime);
Time writerStopTimeObj = Seconds (writerStopTime);
Time simStopTimeObj= Seconds (simStopTime);
Ptr<Node> n0 = CreateObject<Node> ();
Ptr<Node> n1 = CreateObject<Node> ();
PointToPointHelper pointToPoint;
pointToPoint.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
pointToPoint.SetChannelAttribute ("Delay", StringValue ("2ms"));
NetDeviceContainer devices;
devices = pointToPoint.Install (n0, n1);
InternetStackHelper internet;
internet.InstallAll ();
Ipv4AddressHelper address;
address.SetBase ("10.1.1.0", "255.255.255.252");
Ipv4InterfaceContainer ifContainer = address.Assign (devices);
Ptr<SocketWriter> socketWriter = CreateObject<SocketWriter> ();
Address sinkAddress (InetSocketAddress (ifContainer.GetAddress (1), sinkPort));
socketWriter->Setup (n0, sinkAddress);
n0->AddApplication (socketWriter);
socketWriter->SetStartTime (Seconds (0.));
socketWriter->SetStopTime (writerStopTimeObj);
PacketSinkHelper sink ("ns3::TcpSocketFactory",
InetSocketAddress (Ipv4Address::GetAny (), sinkPort));
ApplicationContainer apps = sink.Install (n1);
// Start the sink application at time zero, and stop it at sinkStopTime
apps.Start (Seconds (0.0));
apps.Stop (sinkStopTimeObj);
Config::Connect ("/NodeList/*/ApplicationList/*/$ns3::PacketSink/Rx",
MakeCallback (&Ns3TcpNoDelayTestCase::SinkRx, this));
// Enable or disable TCP no delay option
Config::SetDefault ("ns3::TcpSocket::TcpNoDelay", BooleanValue (m_noDelay));
// Connect the socket writer
Simulator::Schedule (Seconds (1), &SocketWriter::Connect, socketWriter);
// Write 5 packets to get some bytes in flight and some acks going
Simulator::Schedule (Seconds (2), &SocketWriter::Write, socketWriter, 2680);
m_inputs.Add (536);
m_inputs.Add (536);
m_inputs.Add (536);
m_inputs.Add (536);
m_inputs.Add (536);
// Write one byte after 10 ms to ensure that some data is outstanding
// and the window is big enough
Simulator::Schedule (Seconds (2.010), &SocketWriter::Write, socketWriter, 1);
// If Nagle is not enabled, i.e. no delay is on, add an input for a 1-byte
// packet to be received
if (m_noDelay)
{
m_inputs.Add (1);
}
// One ms later, write 535 bytes, i.e. one segment size - 1
Simulator::Schedule (Seconds (2.012), &SocketWriter::Write, socketWriter, 535);
// If Nagle is not enabled, add an input for a 535 byte packet,
// otherwise, we should get a single "full" packet of 536 bytes
if (m_noDelay)
{
m_inputs.Add (535);
}
else
{
m_inputs.Add (536);
}
// Close down the socket
Simulator::Schedule (writerStopTimeObj, &SocketWriter::Close, socketWriter);
if (m_writeResults)
{
std::ostringstream oss;
if (m_noDelay)
{
oss << "tcp-no-delay-on-test-case";
pointToPoint.EnablePcapAll (oss.str ());
}
else
{
oss << "tcp-no-delay-off-test-case";
pointToPoint.EnablePcapAll (oss.str ());
}
}
Simulator::Stop (simStopTimeObj);
Simulator::Run ();
Simulator::Destroy ();
// Compare inputs and outputs
NS_TEST_ASSERT_MSG_EQ (m_inputs.GetN (), m_responses.GetN (), "Incorrect number of expected receive events");
for (uint32_t i = 0; i < m_responses.GetN (); i++)
{
uint32_t in = m_inputs.Get (i);
uint32_t out = m_responses.Get (i);
NS_TEST_ASSERT_MSG_EQ (in, out, "Mismatch: expected " << in << " bytes, got " << out << " bytes");
}
}
// Network topology (default)
//
// n2 + + n3 .
// | ... |\ /| ... | .
// ======= \ / ======= .
// CSMA \ / CSMA .
// \ / .
// n1 +--- n0 ---+ n4 .
// | ... | / \ | ... | .
// ======= / \ ======= .
// CSMA / \ CSMA .
// / \ .
// n6 + + n5 .
// | ... | | ... | .
// ======= ======= .
// CSMA CSMA .
//
void
CsmaStarTestCase::DoRun (void)
{
//
// Default number of nodes in the star.
//
uint32_t nSpokes = 7;
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", StringValue ("100Mbps"));
csma.SetChannelAttribute ("Delay", StringValue ("1ms"));
CsmaStarHelper star (nSpokes, csma);
NodeContainer fillNodes;
//
// Just to be nasy, hang some more nodes off of the CSMA channel for each
// spoke, so that there are a total of 16 nodes on each channel. Stash
// all of these new devices into a container.
//
NetDeviceContainer fillDevices;
uint32_t nFill = 14;
for (uint32_t i = 0; i < star.GetSpokeDevices ().GetN (); ++i)
{
Ptr<Channel> channel = star.GetSpokeDevices ().Get (i)->GetChannel ();
Ptr<CsmaChannel> csmaChannel = channel->GetObject<CsmaChannel> ();
NodeContainer newNodes;
newNodes.Create (nFill);
fillNodes.Add (newNodes);
fillDevices.Add (csma.Install (newNodes, csmaChannel));
}
InternetStackHelper internet;
star.InstallStack (internet);
internet.Install (fillNodes);
star.AssignIpv4Addresses (Ipv4AddressHelper ("10.1.0.0", "255.255.255.0"));
//
// We assigned addresses to the logical hub and the first "drop" of the
// CSMA network that acts as the spoke, but we also have a number of fill
// devices (nFill) also hanging off the CSMA network. We have got to
// assign addresses to them as well. We put all of the fill devices into
// a single device container, so the first nFill devices are associated
// with the channel connected to spokeDevices.Get (0), the second nFill
// devices afe associated with the channel connected to spokeDevices.Get (1)
// etc.
//
Ipv4AddressHelper address;
for(uint32_t i = 0; i < star.SpokeCount (); ++i)
{
std::ostringstream subnet;
subnet << "10.1." << i << ".0";
address.SetBase (subnet.str ().c_str (), "255.255.255.0", "0.0.0.3");
for (uint32_t j = 0; j < nFill; ++j)
{
address.Assign (fillDevices.Get (i * nFill + j));
}
}
//
// Create a packet sink on the star "hub" to receive packets.
//
uint16_t port = 50000;
Address hubLocalAddress (InetSocketAddress (Ipv4Address::GetAny (), port));
PacketSinkHelper packetSinkHelper ("ns3::TcpSocketFactory", hubLocalAddress);
ApplicationContainer hubApp = packetSinkHelper.Install (star.GetHub ());
hubApp.Start (Seconds (1.0));
hubApp.Stop (Seconds (10.0));
//
// Create OnOff applications to send TCP to the hub, one on each spoke node.
//
// Make packets be sent about every DefaultPacketSize / DataRate =
// 4096 bits / (5000 bits/second) = 0.82 second.
OnOffHelper onOffHelper ("ns3::TcpSocketFactory", Address ());
onOffHelper.SetConstantRate (DataRate (5000));
ApplicationContainer spokeApps;
for (uint32_t i = 0; i < star.SpokeCount (); ++i)
{
AddressValue remoteAddress (InetSocketAddress (star.GetHubIpv4Address (i), port));
onOffHelper.SetAttribute ("Remote", remoteAddress);
spokeApps.Add (onOffHelper.Install (star.GetSpokeNode (i)));
}
spokeApps.Start (Seconds (1.0));
spokeApps.Stop (Seconds (10.0));
//
// Because we are evil, we also add OnOff applications to send TCP to the hub
// from the fill devices on each CSMA link. The first nFill nodes in the
// fillNodes container are on the CSMA network talking to the zeroth device
// on the hub node. The next nFill nodes are on the CSMA network talking to
// the first device on the hub node, etc. So the ith fillNode is associated
// with the hub address found on the (i / nFill)th device on the hub node.
//
ApplicationContainer fillApps;
for (uint32_t i = 0; i < fillNodes.GetN (); ++i)
{
AddressValue remoteAddress (InetSocketAddress (star.GetHubIpv4Address (i / nFill), port));
onOffHelper.SetAttribute ("Remote", remoteAddress);
fillApps.Add (onOffHelper.Install (fillNodes.Get (i)));
}
fillApps.Start (Seconds (1.0));
fillApps.Stop (Seconds (10.0));
//
// Turn on global static routing so we can actually be routed across the star.
//
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
// Trace receptions
Config::ConnectWithoutContext ("/NodeList/0/ApplicationList/*/$ns3::PacketSink/Rx",
MakeCallback (&CsmaStarTestCase::SinkRx, this));
Simulator::Run ();
Simulator::Destroy ();
// The hub node should have received 10 packets from the nFill + 1
// nodes on each spoke.
NS_TEST_ASSERT_MSG_EQ (m_count, 10 * ( nSpokes * (nFill + 1)), "Hub node did not receive the proper number of packets");
}
void part2()
{
cout << "Seting up Part B with C" << endl;
string rateHR = "100Mbps"; //data rate b/w hosts and routers
string latencyHR = "20ms"; //latency b/w hosts and routers
string rateRR = "10Mbps"; //data rate b/w routers
string latencyRR = "50ms"; //latenc b/w routers
uint32_t packetSize = 1.2*1024; //1.2KB
uint32_t queueSizeHR = (100000*20)/packetSize; //100Mbps
uint32_t queueSizeRR = (10000*50)/packetSize; //10Mbps
uint32_t numSender = 3;
double errorP = 0.000001;
Config::SetDefault("ns3::DropTailQueue::Mode", StringValue("QUEUE_MODE_PACKETS"));
//Creating channel without IP address
PointToPointHelper p2pHR, p2pRR;
p2pHR.SetDeviceAttribute("DataRate", StringValue(rateHR));
p2pHR.SetChannelAttribute("Delay", StringValue(latencyHR));
p2pHR.SetQueue("ns3::DropTailQueue", "MaxPackets", UintegerValue(queueSizeHR));
p2pRR.SetDeviceAttribute("DataRate", StringValue(rateRR));
p2pRR.SetChannelAttribute("Delay", StringValue(latencyRR));
p2pRR.SetQueue("ns3::DropTailQueue", "MaxPackets", UintegerValue(queueSizeRR));
//Adding some errorrate
Ptr<RateErrorModel> em = CreateObjectWithAttributes<RateErrorModel> ("ErrorRate", DoubleValue (errorP));
//create nodes(routers, senders and recievers)
NodeContainer routers, senders, recievers;
routers.Create(2);
senders.Create(numSender);
recievers.Create(numSender);
NetDeviceContainer routerDevices = p2pRR.Install(routers);
NetDeviceContainer leftRouterDevices, rightRouterDevices, senderDevices, recieverDevices;
//Adding links
for(uint32_t i = 0; i < numSender; ++i)
{
NetDeviceContainer cleft = p2pHR.Install(routers.Get(0), senders.Get(i));
leftRouterDevices.Add(cleft.Get(0));
senderDevices.Add(cleft.Get(1));
cleft.Get(0)->SetAttribute("ReceiveErrorModel", PointerValue(em));
NetDeviceContainer cright = p2pHR.Install(routers.Get(1), recievers.Get(i));
rightRouterDevices.Add(cright.Get(0));
recieverDevices.Add(cright.Get(1));
cright.Get(0)->SetAttribute("ReceiveErrorModel", PointerValue(em));
}
//Install Internet Stack
InternetStackHelper stack;
stack.Install(routers);
stack.Install(senders);
stack.Install(recievers);
//Adding IP addresses
Ipv4AddressHelper routerIP = Ipv4AddressHelper("10.3.0.0", "255.255.255.0");
Ipv4AddressHelper senderIP = Ipv4AddressHelper("10.1.0.0", "255.255.255.0");
Ipv4AddressHelper recieverIP = Ipv4AddressHelper("10.2.0.0", "255.255.255.0");
Ipv4InterfaceContainer routerIFC, senderIFCs, recieverIFCs, leftRouterIFCs, rightRouterIFCs;
routerIFC = routerIP.Assign(routerDevices);
for(uint32_t i = 0; i < numSender; ++i)
{
NetDeviceContainer senderDevice;
senderDevice.Add(senderDevices.Get(i));
senderDevice.Add(leftRouterDevices.Get(i));
Ipv4InterfaceContainer senderIFC = senderIP.Assign(senderDevice);
senderIFCs.Add(senderIFC.Get(0));
leftRouterIFCs.Add(senderIFC.Get(1));
senderIP.NewNetwork();
NetDeviceContainer recieverDevice;
recieverDevice.Add(recieverDevices.Get(i));
recieverDevice.Add(rightRouterDevices.Get(i));
Ipv4InterfaceContainer recieverIFC = recieverIP.Assign(recieverDevice);
recieverIFCs.Add(recieverIFC.Get(0));
rightRouterIFCs.Add(recieverIFC.Get(1));
recieverIP.NewNetwork();
}
/********************************************************************
PART (2)
start 2 other flows while one is progress
-> measure throughput and CWND of each flow at steady state
-> Also find the max throuhput per flow
********************************************************************/
cout << "Part B Starting" << endl;
double durationGap = 100;
double oneFlowStart = 0;
double otherFlowStart = 20;
uint32_t port = 9000;
uint32_t numPackets = 10000000;
string transferSpeed = "400Mbps";
//TCP Reno from H1 to H4
cout << "Flow from H1 -> H4 : TcpReno" << endl;
cout << "Writing to app6_h1_h4_b.cwnd (congestion window) and app6_h1_h4_b.tp (throughput)" << endl;
AsciiTraceHelper asciiTraceHelper;
Ptr<OutputStreamWrapper> stream1CWND = asciiTraceHelper.CreateFileStream("app6_h1_h4_b.cwnd");
Ptr<OutputStreamWrapper> stream1PD = asciiTraceHelper.CreateFileStream("app6_h1_h4_b.congestion_loss");
Ptr<OutputStreamWrapper> stream1TP = asciiTraceHelper.CreateFileStream("app6_h1_h4_b.tp");
Ptr<OutputStreamWrapper> stream1GP = asciiTraceHelper.CreateFileStream("app6_h1_h4_b.gp");
Ptr<Socket> ns3TcpSocket1 = uniFlow(InetSocketAddress(recieverIFCs.GetAddress(0), port), port, "TcpReno", senders.Get(0), recievers.Get(0), oneFlowStart, oneFlowStart+durationGap, packetSize, numPackets, transferSpeed, oneFlowStart, oneFlowStart+durationGap);
ns3TcpSocket1->TraceConnectWithoutContext("CongestionWindow", MakeBoundCallback (&CwndChange, stream1CWND, 0));
ns3TcpSocket1->TraceConnectWithoutContext("Drop", MakeBoundCallback (&packetDrop, stream1PD, 0, 1));
std::string sink_ = "/NodeList/5/ApplicationList/0/$ns3::PacketSink/Rx";
Config::Connect(sink_, MakeBoundCallback(&ReceivedPacket, stream1TP, oneFlowStart));
std::string sink = "/NodeList/5/ApplicationList/0/$ns3::PacketSink/Rx";
Config::Connect(sink, MakeBoundCallback(&ReceivedPacket, stream1GP, 0));
//TCP Tahoe from H2 to H5
cout << "Flow from H2 -> H5 : TcpTahoe" << endl;
cout << "Writing to app6_h2_h5_b.cwnd (congestion window) and app6_h2_h5_b.tp (throughput)" << endl;
Ptr<OutputStreamWrapper> stream2CWND = asciiTraceHelper.CreateFileStream("app6_h2_h5_b.cwnd");
Ptr<OutputStreamWrapper> stream2PD = asciiTraceHelper.CreateFileStream("app6_h2_h5_b.congestion_loss");
Ptr<OutputStreamWrapper> stream2TP = asciiTraceHelper.CreateFileStream("app6_h2_h5_b.tp");
Ptr<OutputStreamWrapper> stream2GP = asciiTraceHelper.CreateFileStream("app6_h2_h5_b.gp");
Ptr<Socket> ns3TcpSocket2 = uniFlow(InetSocketAddress(recieverIFCs.GetAddress(1), port), port, "TcpTahoe", senders.Get(1), recievers.Get(1), otherFlowStart, otherFlowStart+durationGap, packetSize, numPackets, transferSpeed, otherFlowStart, otherFlowStart+durationGap);
ns3TcpSocket2->TraceConnectWithoutContext("CongestionWindow", MakeBoundCallback (&CwndChange, stream2CWND, 0));
ns3TcpSocket2->TraceConnectWithoutContext("Drop", MakeBoundCallback (&packetDrop, stream2PD, 0, 2));
sink_ = "/NodeList/6/ApplicationList/0/$ns3::PacketSink/Rx";
Config::Connect(sink_, MakeBoundCallback(&ReceivedPacket, stream2TP, otherFlowStart));
sink = "/NodeList/6/ApplicationList/0/$ns3::PacketSink/Rx";
Config::Connect(sink, MakeBoundCallback(&ReceivedPacket, stream2GP, 0));
//TCP WestWood from H3 to H6
cout << "Flow from H3 -> H6 : TcpWestwood" << endl;
cout << "Writing to app6_h3_h6_b.cwnd (congestion window) and app6_h3_h6_b.tp (throughput)" << endl;
Ptr<OutputStreamWrapper> stream3CWND = asciiTraceHelper.CreateFileStream("app6_h3_h6_b.cwnd");
Ptr<OutputStreamWrapper> stream3PD = asciiTraceHelper.CreateFileStream("app6_h3_h6_b.congestion_loss");
Ptr<OutputStreamWrapper> stream3TP = asciiTraceHelper.CreateFileStream("app6_h3_h6_b.tp");
Ptr<OutputStreamWrapper> stream3GP = asciiTraceHelper.CreateFileStream("app6_h3_h6_b.gp");
Ptr<Socket> ns3TcpSocket3 = uniFlow(InetSocketAddress(recieverIFCs.GetAddress(2), port), port, "TcpWestwood", senders.Get(2), recievers.Get(2), otherFlowStart, otherFlowStart+durationGap, packetSize, numPackets, transferSpeed, otherFlowStart, otherFlowStart+durationGap);
ns3TcpSocket3->TraceConnectWithoutContext("CongestionWindow", MakeBoundCallback (&CwndChange, stream3CWND, 0));
ns3TcpSocket3->TraceConnectWithoutContext("Drop", MakeBoundCallback (&packetDrop, stream3PD, 0, 3));
sink = "/NodeList/7/ApplicationList/0/$ns3::PacketSink/Rx";
Config::Connect(sink, MakeBoundCallback(&ReceivedPacket, stream3GP, 0));
sink_ = "/NodeList/7/ApplicationList/0/$ns3::PacketSink/Rx";
Config::Connect(sink_, MakeBoundCallback(&ReceivedPacket, stream3TP, otherFlowStart));
//Turning on Static Global Routing
Ipv4GlobalRoutingHelper::PopulateRoutingTables();
Ptr<FlowMonitor> flowmon;
FlowMonitorHelper flowmonHelper;
flowmon = flowmonHelper.InstallAll();
Simulator::Stop(Seconds(durationGap+otherFlowStart));
//animation("anim4.xml", routers, senders, recievers); //animation
Simulator::Run();
flowmon->CheckForLostPackets();
cout << "Part b throughput into app6_b.tp" << endl;
//Ptr<OutputStreamWrapper> streamTP = asciiTraceHelper.CreateFileStream("app6_b.tp");
Ptr<Ipv4FlowClassifier> classifier = DynamicCast<Ipv4FlowClassifier>(flowmonHelper.GetClassifier());
std::map<FlowId, FlowMonitor::FlowStats> stats = flowmon->GetFlowStats();
for (std::map<FlowId, FlowMonitor::FlowStats>::const_iterator i = stats.begin(); i != stats.end(); ++i)
{
Ipv4FlowClassifier::FiveTuple t = classifier->FindFlow (i->first);
if(t.sourceAddress == "10.1.0.1")
{
if(mapDrop.find(1)==mapDrop.end())
mapDrop[1] = 0;
*stream1PD->GetStream() << "TcpReno Flow " << i->first << " (" << t.sourceAddress << " -> " << t.destinationAddress << ")\n";
*stream1PD->GetStream() << "Net Packet Lost: " << i->second.lostPackets << "\n";
*stream1PD->GetStream() << "Packet Lost due to buffer overflow: " << mapDrop[1] << "\n";
*stream1PD->GetStream() << "Packet Lost due to Congestion: " << i->second.lostPackets - mapDrop[1] << "\n";
*stream1PD->GetStream() << "Max throughput: " << mapMaxThroughput["/NodeList/5/$ns3::Ipv4L3Protocol/Rx"] << std::endl;
}
else if(t.sourceAddress == "10.1.1.1")
{
if(mapDrop.find(2)==mapDrop.end())
mapDrop[2] = 0;
*stream2PD->GetStream() << "TcpTahoe Flow " << i->first << " (" << t.sourceAddress << " -> " << t.destinationAddress << ")\n";
*stream2PD->GetStream() << "Net Packet Lost: " << i->second.lostPackets << "\n";
*stream2PD->GetStream() << "Packet Lost due to buffer overflow: " << mapDrop[2] << "\n";
*stream2PD->GetStream() << "Packet Lost due to Congestion: " << i->second.lostPackets - mapDrop[2] << "\n";
*stream2PD->GetStream() << "Max throughput: " << mapMaxThroughput["/NodeList/6/$ns3::Ipv4L3Protocol/Rx"] << std::endl;
}
else if(t.sourceAddress == "10.1.2.1")
{
if(mapDrop.find(3)==mapDrop.end())
mapDrop[3] = 0;
*stream3PD->GetStream() << "TcpWestWood Flow " << i->first << " (" << t.sourceAddress << " -> " << t.destinationAddress << ")\n";
*stream3PD->GetStream() << "Net Packet Lost: " << i->second.lostPackets << "\n";
*stream3PD->GetStream() << "Packet Lost due to buffer overflow: " << mapDrop[3] << "\n";
*stream3PD->GetStream() << "Packet Lost due to Congestion: " << i->second.lostPackets - mapDrop[3] << "\n";
*stream3PD->GetStream() << "Max throughput: " << mapMaxThroughput["/NodeList/7/$ns3::Ipv4L3Protocol/Rx"] << std::endl;
}
}
//flowmon->SerializeToXmlFile("app6_b.flowmon", true, true);
Simulator::Destroy();
}
int
main (int argc, char *argv[])
{
CommandLine cmd;
cmd.Parse (argc, argv);
// Here, we will explicitly create four nodes.
NS_LOG_INFO ("Create nodes.");
NodeContainer c;
c.Create (4);
// connect all our nodes to a shared channel.
NS_LOG_INFO ("Build Topology.");
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", DataRateValue (DataRate (5000000)));
csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
csma.SetDeviceAttribute ("EncapsulationMode", StringValue ("Llc"));
NetDeviceContainer devs = csma.Install (c);
// add an ip stack to all nodes.
NS_LOG_INFO ("Add ip stack.");
InternetStackHelper ipStack;
ipStack.Install (c);
// assign ip addresses
NS_LOG_INFO ("Assign ip addresses.");
Ipv4AddressHelper ip;
ip.SetBase ("192.168.1.0", "255.255.255.0");
Ipv4InterfaceContainer addresses = ip.Assign (devs);
NS_LOG_INFO ("Create Source");
Config::SetDefault ("ns3::Ipv4RawSocketImpl::Protocol", StringValue ("2"));
InetSocketAddress dst = InetSocketAddress (addresses.GetAddress (3));
OnOffHelper onoff = OnOffHelper ("ns3::Ipv4RawSocketFactory", dst);
onoff.SetConstantRate (DataRate (15000));
onoff.SetAttribute ("PacketSize", UintegerValue (1200));
ApplicationContainer apps = onoff.Install (c.Get (0));
apps.Start (Seconds (1.0));
apps.Stop (Seconds (10.0));
NS_LOG_INFO ("Create Sink.");
PacketSinkHelper sink = PacketSinkHelper ("ns3::Ipv4RawSocketFactory", dst);
apps = sink.Install (c.Get (3));
apps.Start (Seconds (0.0));
apps.Stop (Seconds (11.0));
NS_LOG_INFO ("Create pinger");
V4PingHelper ping = V4PingHelper (addresses.GetAddress (2));
NodeContainer pingers;
pingers.Add (c.Get (0));
pingers.Add (c.Get (1));
pingers.Add (c.Get (3));
apps = ping.Install (pingers);
apps.Start (Seconds (2.0));
apps.Stop (Seconds (5.0));
NS_LOG_INFO ("Configure Tracing.");
// first, pcap tracing in non-promiscuous mode
csma.EnablePcapAll ("csma-ping", false);
// then, print what the packet sink receives.
Config::ConnectWithoutContext ("/NodeList/3/ApplicationList/0/$ns3::PacketSink/Rx",
MakeCallback (&SinkRx));
// finally, print the ping rtts.
Config::Connect ("/NodeList/*/ApplicationList/*/$ns3::V4Ping/Rtt",
MakeCallback (&PingRtt));
Packet::EnablePrinting ();
NS_LOG_INFO ("Run Simulation.");
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Done.");
}
int main (int argc, char *argv[])
{
uint32_t nWifis = 2;
uint32_t nStas = 2;
bool sendIp = true;
bool writeMobility = false;
CommandLine cmd;
cmd.AddValue ("nWifis", "Number of wifi networks", nWifis);
cmd.AddValue ("nStas", "Number of stations per wifi network", nStas);
cmd.AddValue ("SendIp", "Send Ipv4 or raw packets", sendIp);
cmd.AddValue ("writeMobility", "Write mobility trace", writeMobility);
cmd.Parse (argc, argv);
NodeContainer backboneNodes;
NetDeviceContainer backboneDevices;
Ipv4InterfaceContainer backboneInterfaces;
std::vector<NodeContainer> staNodes;
std::vector<NetDeviceContainer> staDevices;
std::vector<NetDeviceContainer> apDevices;
std::vector<Ipv4InterfaceContainer> staInterfaces;
std::vector<Ipv4InterfaceContainer> apInterfaces;
InternetStackHelper stack;
CsmaHelper csma;
Ipv4AddressHelper ip;
ip.SetBase ("192.168.0.0", "255.255.255.0");
backboneNodes.Create (nWifis);
stack.Install (backboneNodes);
backboneDevices = csma.Install (backboneNodes);
double wifiX = 0.0;
YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
wifiPhy.SetPcapDataLinkType (YansWifiPhyHelper::DLT_IEEE802_11_RADIO);
for (uint32_t i = 0; i < nWifis; ++i)
{
// calculate ssid for wifi subnetwork
std::ostringstream oss;
oss << "wifi-default-" << i;
Ssid ssid = Ssid (oss.str ());
NodeContainer sta;
NetDeviceContainer staDev;
NetDeviceContainer apDev;
Ipv4InterfaceContainer staInterface;
Ipv4InterfaceContainer apInterface;
MobilityHelper mobility;
BridgeHelper bridge;
WifiHelper wifi = WifiHelper::Default ();
NqosWifiMacHelper wifiMac = NqosWifiMacHelper::Default ();
YansWifiChannelHelper wifiChannel = YansWifiChannelHelper::Default ();
wifiPhy.SetChannel (wifiChannel.Create ());
sta.Create (nStas);
mobility.SetPositionAllocator ("ns3::GridPositionAllocator",
"MinX", DoubleValue (wifiX),
"MinY", DoubleValue (0.0),
"DeltaX", DoubleValue (5.0),
"DeltaY", DoubleValue (5.0),
"GridWidth", UintegerValue (1),
"LayoutType", StringValue ("RowFirst"));
// setup the AP.
mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
mobility.Install (backboneNodes.Get (i));
wifiMac.SetType ("ns3::ApWifiMac",
"Ssid", SsidValue (ssid));
apDev = wifi.Install (wifiPhy, wifiMac, backboneNodes.Get (i));
NetDeviceContainer bridgeDev;
bridgeDev = bridge.Install (backboneNodes.Get (i), NetDeviceContainer (apDev, backboneDevices.Get (i)));
// assign AP IP address to bridge, not wifi
apInterface = ip.Assign (bridgeDev);
// setup the STAs
stack.Install (sta);
mobility.SetMobilityModel ("ns3::RandomWalk2dMobilityModel",
"Mode", StringValue ("Time"),
"Time", StringValue ("2s"),
"Speed", StringValue ("ns3::ConstantRandomVariable[Constant=1.0]"),
"Bounds", RectangleValue (Rectangle (wifiX, wifiX+5.0,0.0, (nStas+1)*5.0)));
mobility.Install (sta);
wifiMac.SetType ("ns3::StaWifiMac",
"Ssid", SsidValue (ssid),
"ActiveProbing", BooleanValue (false));
staDev = wifi.Install (wifiPhy, wifiMac, sta);
staInterface = ip.Assign (staDev);
// save everything in containers.
staNodes.push_back (sta);
apDevices.push_back (apDev);
apInterfaces.push_back (apInterface);
staDevices.push_back (staDev);
staInterfaces.push_back (staInterface);
wifiX += 20.0;
}
Address dest;
std::string protocol;
if (sendIp)
{
dest = InetSocketAddress (staInterfaces[1].GetAddress (1), 1025);
protocol = "ns3::UdpSocketFactory";
}
else
{
PacketSocketAddress tmp;
tmp.SetSingleDevice (staDevices[0].Get (0)->GetIfIndex ());
tmp.SetPhysicalAddress (staDevices[1].Get (0)->GetAddress ());
tmp.SetProtocol (0x807);
dest = tmp;
protocol = "ns3::PacketSocketFactory";
}
OnOffHelper onoff = OnOffHelper (protocol, dest);
onoff.SetConstantRate (DataRate ("500kb/s"));
ApplicationContainer apps = onoff.Install (staNodes[0].Get (0));
apps.Start (Seconds (0.5));
apps.Stop (Seconds (3.0));
wifiPhy.EnablePcap ("wifi-wired-bridging", apDevices[0]);
wifiPhy.EnablePcap ("wifi-wired-bridging", apDevices[1]);
if (writeMobility)
{
AsciiTraceHelper ascii;
MobilityHelper::EnableAsciiAll (ascii.CreateFileStream ("wifi-wired-bridging.mob"));
}
Simulator::Stop (Seconds (5.0));
Simulator::Run ();
Simulator::Destroy ();
}
int
main (int argc, char *argv[])
{
#ifdef NS3_MPI
// Distributed simulation setup
MpiInterface::Enable (&argc, &argv);
GlobalValue::Bind ("SimulatorImplementationType",
StringValue ("ns3::DistributedSimulatorImpl"));
LogComponentEnable ("BriteMPITest", LOG_LEVEL_ALL);
LogComponentEnable ("TcpSocketBase", LOG_LEVEL_INFO);
uint32_t systemId = MpiInterface::GetSystemId ();
uint32_t systemCount = MpiInterface::GetSize ();
// Check for valid distributed parameters.
// For just this particular example, must have 2 and only 2 Logical Processors (LPs)
NS_ASSERT_MSG (systemCount == 2, "This demonstration requires 2 and only 2 logical processors.");
// BRITE needs a configuration file to build its graph. By default, this
// example will use the TD_ASBarabasi_RTWaxman.conf file. There are many others
// which can be found in the BRITE/conf_files directory
std::string confFile = "src/brite/examples/conf_files/TD_ASBarabasi_RTWaxman.conf";
bool tracing = false;
bool nix = false;
CommandLine cmd;
cmd.AddValue ("confFile", "BRITE conf file", confFile);
cmd.AddValue ("tracing", "Enable or disable ascii tracing", tracing);
cmd.AddValue ("nix", "Enable or disable nix-vector routing", nix);
cmd.Parse (argc,argv);
// Invoke the BriteTopologyHelper and pass in a BRITE
// configuration file and a seed file. This will use
// BRITE to build a graph from which we can build the ns-3 topology
BriteTopologyHelper bth (confFile);
PointToPointHelper p2p;
Ipv4StaticRoutingHelper staticRouting;
Ipv4GlobalRoutingHelper globalRouting;
Ipv4ListRoutingHelper listRouting;
Ipv4NixVectorHelper nixRouting;
InternetStackHelper stack;
if (nix)
{
listRouting.Add (staticRouting, 0);
listRouting.Add (nixRouting, 10);
}
else
{
listRouting.Add (staticRouting, 0);
listRouting.Add (globalRouting, 10);
}
stack.SetRoutingHelper (listRouting);
Ipv4AddressHelper address;
address.SetBase ("10.0.0.0", "255.255.255.252");
//build topology as normal but also pass systemCount
bth.BuildBriteTopology (stack, systemCount);
bth.AssignIpv4Addresses (address);
NS_LOG_LOGIC ("Number of AS created " << bth.GetNAs ());
uint16_t port = 5001;
NodeContainer client;
NodeContainer server;
//For this example will use AS 0 and AS 1 which will be on seperate systems
//due to the mod divide used to assign AS to system.
//GetSystemNumberForAs (uint32_t) can be used to determine which system an
//AS is assigned to
NS_LOG_LOGIC ("AS 0 has been assigned to system " << bth.GetSystemNumberForAs (0));
NS_LOG_LOGIC ("As 1 has been assigned to system " << bth.GetSystemNumberForAs (1));
//install client node on last leaf node of AS 0
client.Add (CreateObject<Node> (0));
stack.Install (client);
int numLeafNodesInAsZero = bth.GetNLeafNodesForAs (0);
client.Add (bth.GetLeafNodeForAs (0, numLeafNodesInAsZero - 1));
//install server node on last leaf node on AS 1
server.Add (CreateObject<Node> (1));
stack.Install (server);
int numLeafNodesInAsOne = bth.GetNLeafNodesForAs (1);
server.Add (bth.GetLeafNodeForAs (1, numLeafNodesInAsOne - 1));
p2p.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
p2p.SetChannelAttribute ("Delay", StringValue ("2ms"));
NetDeviceContainer p2pClientDevices;
NetDeviceContainer p2pServerDevices;
p2pClientDevices = p2p.Install (client);
p2pServerDevices = p2p.Install (server);
address.SetBase ("10.1.0.0", "255.255.0.0");
Ipv4InterfaceContainer clientInterfaces;
clientInterfaces = address.Assign (p2pClientDevices);
address.SetBase ("10.2.0.0", "255.255.0.0");
Ipv4InterfaceContainer serverInterfaces;
serverInterfaces = address.Assign (p2pServerDevices);
if (!nix)
{
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
}
//only has two systems in this example. Install applications only on nodes in my system
//Moved here to get totalRX at end
ApplicationContainer sinkApps;
if (systemId == 1)
{
Address sinkLocalAddress (InetSocketAddress (Ipv4Address::GetAny (), port));
PacketSinkHelper packetSinkHelper ("ns3::TcpSocketFactory", sinkLocalAddress);
sinkApps.Add (packetSinkHelper.Install (server.Get (0)));
sinkApps.Start (Seconds (0.0));
sinkApps.Stop (Seconds (10.0));
}
if (systemId == 0)
{
OnOffHelper clientHelper ("ns3::TcpSocketFactory", Address ());
clientHelper.SetAttribute ("OnTime", StringValue ("ns3::ConstantRandomVariable[Constant=1]"));
clientHelper.SetAttribute ("OffTime", StringValue ("ns3::ConstantRandomVariable[Constant=0]"));
ApplicationContainer clientApps;
AddressValue remoteAddress (InetSocketAddress (serverInterfaces.GetAddress (0), port));
clientHelper.SetAttribute ("Remote", remoteAddress);
clientApps.Add (clientHelper.Install (client.Get (0)));
clientApps.Start (Seconds (1.0)); // Start 1 second after sink
clientApps.Stop (Seconds (9.0)); // Stop before the sink
}
if (!nix)
{
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
}
if (tracing)
{
AsciiTraceHelper ascii;
p2p.EnableAsciiAll (ascii.CreateFileStream ("briteLeaves.tr"));
}
// Run the simulator
Simulator::Stop (Seconds (200.0));
Simulator::Run ();
Simulator::Destroy ();
if (systemId == 1)
{
Ptr<PacketSink> sink1 = DynamicCast<PacketSink> (sinkApps.Get (0));
NS_LOG_DEBUG ("Total Bytes Received: " << sink1->GetTotalRx ());
}
MpiInterface::Disable ();
return 0;
#else
NS_FATAL_ERROR ("Can't use distributed simulator without MPI compiled in");
#endif
}
