void
MobilityTraceTestCase::DoRun (void)
{
//***************************************************************************
// Create the new mobility trace.
//***************************************************************************
NodeContainer sta;
sta.Create (4);
MobilityHelper mobility;
mobility.SetPositionAllocator ("ns3::GridPositionAllocator",
"MinX", DoubleValue (1.0),
"MinY", DoubleValue (1.0),
"DeltaX", DoubleValue (5.0),
"DeltaY", DoubleValue (5.0),
"GridWidth", UintegerValue (3),
"LayoutType", StringValue ("RowFirst"));
mobility.SetMobilityModel ("ns3::RandomWalk2dMobilityModel",
"Mode", StringValue ("Time"),
"Time", StringValue ("2s"),
"Speed", StringValue ("ns3::ConstantRandomVariable[Constant=1.0]"),
"Bounds", RectangleValue (Rectangle (0.0, 20.0, 0.0, 20.0)));
mobility.Install (sta);
// Set mobility random number streams to fixed values
mobility.AssignStreams (sta, 0);
SetDataDir (NS_TEST_SOURCEDIR);
std::string referenceMobilityFilePath = CreateDataDirFilename ("mobility-trace-example.mob");
std::string testMobilityFilePath = CreateTempDirFilename ("mobility-trace-test.mob");
AsciiTraceHelper ascii;
MobilityHelper::EnableAsciiAll (ascii.CreateFileStream (testMobilityFilePath));
Simulator::Stop (Seconds (5.0));
Simulator::Run ();
Simulator::Destroy ();
//***************************************************************************
// Test the new mobility trace against the reference mobility trace.
//***************************************************************************
NS_ASCII_TEST_EXPECT_EQ (testMobilityFilePath, referenceMobilityFilePath);
}
int
main (int argc, char *argv[])
{
//
// Users may find it convenient to turn on explicit debugging
// for selected modules; the below lines suggest how to do this
//
#if 0
LogComponentEnable ("UdpEchoExample", LOG_LEVEL_INFO);
LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_ALL);
LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_ALL);
#endif
//
// Allow the user to override any of the defaults and the above Bind() at
// run-time, via command-line arguments
//
bool useV6 = false;
Address serverAddress;
CommandLine cmd;
cmd.AddValue ("useIpv6", "Use Ipv6", useV6);
cmd.Parse (argc, argv);
//
// Explicitly create the nodes required by the topology (shown above).
//
NS_LOG_INFO ("Create nodes.");
NodeContainer n;
n.Create (4);
InternetStackHelper internet;
internet.Install (n);
NS_LOG_INFO ("Create channels.");
//
// Explicitly create the channels required by the topology (shown above).
//
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", DataRateValue (DataRate (5000000)));
csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
csma.SetDeviceAttribute ("Mtu", UintegerValue (1400));
NetDeviceContainer d = csma.Install (n);
//
// We've got the "hardware" in place. Now we need to add IP addresses.
//
NS_LOG_INFO ("Assign IP Addresses.");
if (useV6 == false)
{
Ipv4AddressHelper ipv4;
ipv4.SetBase ("10.1.1.0", "255.255.255.0");
Ipv4InterfaceContainer i = ipv4.Assign (d);
serverAddress = Address(i.GetAddress (1));
}
else
{
Ipv6AddressHelper ipv6;
ipv6.SetBase ("2001:0000:f00d:cafe::", Ipv6Prefix (64));
Ipv6InterfaceContainer i6 = ipv6.Assign (d);
serverAddress = Address(i6.GetAddress (1,1));
}
NS_LOG_INFO ("Create Applications.");
//
// Create a UdpEchoServer application on node one.
//
uint16_t port = 9; // well-known echo port number
UdpEchoServerHelper server (port);
ApplicationContainer apps = server.Install (n.Get (1));
apps.Start (Seconds (1.0));
apps.Stop (Seconds (10.0));
//
// Create a UdpEchoClient application to send UDP datagrams from node zero to
// node one.
//
uint32_t packetSize = 1024;
uint32_t maxPacketCount = 1;
Time interPacketInterval = Seconds (1.);
UdpEchoClientHelper client (serverAddress, port);
client.SetAttribute ("MaxPackets", UintegerValue (maxPacketCount));
client.SetAttribute ("Interval", TimeValue (interPacketInterval));
client.SetAttribute ("PacketSize", UintegerValue (packetSize));
apps = client.Install (n.Get (0));
apps.Start (Seconds (2.0));
apps.Stop (Seconds (10.0));
#if 0
//
// Users may find it convenient to initialize echo packets with actual data;
// the below lines suggest how to do this
//
client.SetFill (apps.Get (0), "Hello World");
client.SetFill (apps.Get (0), 0xa5, 1024);
uint8_t fill[] = { 0, 1, 2, 3, 4, 5, 6};
client.SetFill (apps.Get (0), fill, sizeof(fill), 1024);
#endif
AsciiTraceHelper ascii;
csma.EnableAsciiAll (ascii.CreateFileStream ("udp-echo.tr"));
csma.EnablePcapAll ("udp-echo", false);
//
// Now, do the actual simulation.
//
NS_LOG_INFO ("Run Simulation.");
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Done.");
}
int
main (int argc, char *argv[])
{
// Users may find it convenient to turn on explicit debugging
// for selected modules; the below lines suggest how to do this
#if 0
LogComponentEnable ("SimpleGlobalRoutingExample", LOG_LEVEL_INFO);
#endif
// Set up some default values for the simulation. Use the
Config::SetDefault ("ns3::OnOffApplication::PacketSize", UintegerValue (210));
Config::SetDefault ("ns3::OnOffApplication::DataRate", StringValue ("448kb/s"));
//DefaultValue::Bind ("DropTailQueue::m_maxPackets", 30);
// Allow the user to override any of the defaults and the above
// DefaultValue::Bind ()s at run-time, via command-line arguments
CommandLine cmd;
cmd.Parse (argc, argv);
// Here, we will explicitly create four nodes. In more sophisticated
// topologies, we could configure a node factory.
NS_LOG_INFO ("Create nodes.");
NodeContainer c;
c.Create (5);
NodeContainer n02 = NodeContainer (c.Get (0), c.Get (2));
NodeContainer n12 = NodeContainer (c.Get (1), c.Get (2));
NodeContainer n32 = NodeContainer (c.Get (3), c.Get (2));
NodeContainer n34 = NodeContainer (c.Get (3), c.Get (4));
// Enable OLSR
NS_LOG_INFO ("Enabling OLSR Routing.");
OlsrHelper olsr;
Ipv4StaticRoutingHelper staticRouting;
Ipv4ListRoutingHelper list;
list.Add (staticRouting, 0);
list.Add (olsr, 10);
InternetStackHelper internet;
internet.SetRoutingHelper (list); // has effect on the next Install ()
internet.Install (c);
// We create the channels first without any IP addressing information
NS_LOG_INFO ("Create channels.");
PointToPointHelper p2p;
p2p.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
p2p.SetChannelAttribute ("Delay", StringValue ("2ms"));
NetDeviceContainer nd02 = p2p.Install (n02);
NetDeviceContainer nd12 = p2p.Install (n12);
p2p.SetDeviceAttribute ("DataRate", StringValue ("1500kbps"));
p2p.SetChannelAttribute ("Delay", StringValue ("10ms"));
NetDeviceContainer nd32 = p2p.Install (n32);
NetDeviceContainer nd34 = p2p.Install (n34);
// Later, we add IP addresses.
NS_LOG_INFO ("Assign IP Addresses.");
Ipv4AddressHelper ipv4;
ipv4.SetBase ("10.1.1.0", "255.255.255.0");
Ipv4InterfaceContainer i02 = ipv4.Assign (nd02);
ipv4.SetBase ("10.1.2.0", "255.255.255.0");
Ipv4InterfaceContainer i12 = ipv4.Assign (nd12);
ipv4.SetBase ("10.1.3.0", "255.255.255.0");
Ipv4InterfaceContainer i32 = ipv4.Assign (nd32);
ipv4.SetBase ("10.1.4.0", "255.255.255.0");
Ipv4InterfaceContainer i34 = ipv4.Assign (nd34);
// Create the OnOff application to send UDP datagrams of size
// 210 bytes at a rate of 448 Kb/s from n0 to n4
NS_LOG_INFO ("Create Applications.");
uint16_t port = 9; // Discard port (RFC 863)
OnOffHelper onoff ("ns3::UdpSocketFactory",
InetSocketAddress (i34.GetAddress (1), port));
onoff.SetConstantRate (DataRate ("448kb/s"));
ApplicationContainer apps = onoff.Install (c.Get (0));
apps.Start (Seconds (1.0));
apps.Stop (Seconds (10.0));
// Create a packet sink to receive these packets
PacketSinkHelper sink ("ns3::UdpSocketFactory",
InetSocketAddress (Ipv4Address::GetAny (), port));
apps = sink.Install (c.Get (3));
apps.Start (Seconds (1.0));
apps.Stop (Seconds (10.0));
// Create a similar flow from n3 to n1, starting at time 1.1 seconds
onoff.SetAttribute ("Remote",
AddressValue (InetSocketAddress (i12.GetAddress (0), port)));
apps = onoff.Install (c.Get (3));
apps.Start (Seconds (1.1));
apps.Stop (Seconds (10.0));
// Create a packet sink to receive these packets
apps = sink.Install (c.Get (1));
apps.Start (Seconds (1.1));
apps.Stop (Seconds (10.0));
AsciiTraceHelper ascii;
p2p.EnableAsciiAll (ascii.CreateFileStream ("simple-point-to-point-olsr.tr"));
p2p.EnablePcapAll ("simple-point-to-point-olsr");
Simulator::Stop (Seconds (30));
NS_LOG_INFO ("Run Simulation.");
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Done.");
return 0;
}
int main (int argc, char *argv[])
{
std::string phyMode ("DsssRate1Mbps");
double distance = 500; // m
uint32_t packetSize = 1000; // bytes
uint32_t numPackets = 1;
uint32_t numNodes = 25; // by default, 5x5
uint32_t sinkNode = 0;
uint32_t sourceNode = 24;
double interval = 1.0; // seconds
bool verbose = false;
bool tracing = false;
CommandLine cmd;
cmd.AddValue ("phyMode", "Wifi Phy mode", phyMode);
cmd.AddValue ("distance", "distance (m)", distance);
cmd.AddValue ("packetSize", "size of application packet sent", packetSize);
cmd.AddValue ("numPackets", "number of packets generated", numPackets);
cmd.AddValue ("interval", "interval (seconds) between packets", interval);
cmd.AddValue ("verbose", "turn on all WifiNetDevice log components", verbose);
cmd.AddValue ("tracing", "turn on ascii and pcap tracing", tracing);
cmd.AddValue ("numNodes", "number of nodes", numNodes);
cmd.AddValue ("sinkNode", "Receiver node number", sinkNode);
cmd.AddValue ("sourceNode", "Sender node number", sourceNode);
cmd.Parse (argc, argv);
// Convert to time object
Time interPacketInterval = Seconds (interval);
// disable fragmentation for frames below 2200 bytes
Config::SetDefault ("ns3::WifiRemoteStationManager::FragmentationThreshold", StringValue ("2200"));
// turn off RTS/CTS for frames below 2200 bytes
Config::SetDefault ("ns3::WifiRemoteStationManager::RtsCtsThreshold", StringValue ("2200"));
// Fix non-unicast data rate to be the same as that of unicast
Config::SetDefault ("ns3::WifiRemoteStationManager::NonUnicastMode",
StringValue (phyMode));
NodeContainer c;
c.Create (numNodes);
// The below set of helpers will help us to put together the wifi NICs we want
WifiHelper wifi;
if (verbose)
{
wifi.EnableLogComponents (); // Turn on all Wifi logging
}
YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
// set it to zero; otherwise, gain will be added
wifiPhy.Set ("RxGain", DoubleValue (-10) );
// ns-3 supports RadioTap and Prism tracing extensions for 802.11b
wifiPhy.SetPcapDataLinkType (YansWifiPhyHelper::DLT_IEEE802_11_RADIO);
YansWifiChannelHelper wifiChannel;
wifiChannel.SetPropagationDelay ("ns3::ConstantSpeedPropagationDelayModel");
wifiChannel.AddPropagationLoss ("ns3::FriisPropagationLossModel");
wifiPhy.SetChannel (wifiChannel.Create ());
// Add a non-QoS upper mac, and disable rate control
NqosWifiMacHelper wifiMac = NqosWifiMacHelper::Default ();
wifi.SetStandard (WIFI_PHY_STANDARD_80211b);
wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager",
"DataMode",StringValue (phyMode),
"ControlMode",StringValue (phyMode));
// Set it to adhoc mode
wifiMac.SetType ("ns3::AdhocWifiMac");
NetDeviceContainer devices = wifi.Install (wifiPhy, wifiMac, c);
MobilityHelper mobility;
mobility.SetPositionAllocator ("ns3::GridPositionAllocator",
"MinX", DoubleValue (0.0),
"MinY", DoubleValue (0.0),
"DeltaX", DoubleValue (distance),
"DeltaY", DoubleValue (distance),
"GridWidth", UintegerValue (5),
"LayoutType", StringValue ("RowFirst"));
mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
mobility.Install (c);
// Enable OLSR
OlsrHelper olsr;
Ipv4StaticRoutingHelper staticRouting;
Ipv4ListRoutingHelper list;
list.Add (staticRouting, 0);
list.Add (olsr, 10);
InternetStackHelper internet;
internet.SetRoutingHelper (list); // has effect on the next Install ()
internet.Install (c);
Ipv4AddressHelper ipv4;
NS_LOG_INFO ("Assign IP Addresses.");
ipv4.SetBase ("10.1.1.0", "255.255.255.0");
Ipv4InterfaceContainer i = ipv4.Assign (devices);
TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory");
Ptr<Socket> recvSink = Socket::CreateSocket (c.Get (sinkNode), tid);
InetSocketAddress local = InetSocketAddress (Ipv4Address::GetAny (), 80);
recvSink->Bind (local);
recvSink->SetRecvCallback (MakeCallback (&ReceivePacket));
Ptr<Socket> source = Socket::CreateSocket (c.Get (sourceNode), tid);
InetSocketAddress remote = InetSocketAddress (i.GetAddress (sinkNode, 0), 80);
source->Connect (remote);
if (tracing == true)
{
AsciiTraceHelper ascii;
wifiPhy.EnableAsciiAll (ascii.CreateFileStream ("wifi-simple-adhoc-grid.tr"));
wifiPhy.EnablePcap ("wifi-simple-adhoc-grid", devices);
// Trace routing tables
Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper> ("wifi-simple-adhoc-grid.routes", std::ios::out);
olsr.PrintRoutingTableAllEvery (Seconds (2), routingStream);
// To do-- enable an IP-level trace that shows forwarding events only
}
// Give OLSR time to converge-- 30 seconds perhaps
Simulator::Schedule (Seconds (30.0), &GenerateTraffic,
source, packetSize, numPackets, interPacketInterval);
// Output what we are doing
NS_LOG_UNCOND ("Testing from node " << sourceNode << " to " << sinkNode << " with grid distance " << distance);
Simulator::Stop (Seconds (32.0));
Simulator::Run ();
Simulator::Destroy ();
return 0;
}
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[])
{
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
}
int
main (int argc, char *argv[])
{
//
// Users may find it convenient to turn on explicit debugging
// for selected modules; the below lines suggest how to do this
//
// LogComponentEnable ("CsmaMulticastExample", LOG_LEVEL_INFO);
//
// Set up default values for the simulation.
//
// Select DIX/Ethernet II-style encapsulation (no LLC/Snap header)
Config::SetDefault ("ns3::CsmaNetDevice::EncapsulationMode", StringValue ("Dix"));
// Allow the user to override any of the defaults at
// run-time, via command-line arguments
CommandLine cmd;
cmd.Parse (argc, argv);
NS_LOG_INFO ("Create nodes.");
NodeContainer c;
c.Create (5);
// We will later want two subcontainers of these nodes, for the two LANs
NodeContainer c0 = NodeContainer (c.Get (0), c.Get (1), c.Get (2));
NodeContainer c1 = NodeContainer (c.Get (2), c.Get (3), c.Get (4));
NS_LOG_INFO ("Build Topology.");
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", DataRateValue (DataRate (5000000)));
csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
// We will use these NetDevice containers later, for IP addressing
NetDeviceContainer nd0 = csma.Install (c0); // First LAN
NetDeviceContainer nd1 = csma.Install (c1); // Second LAN
NS_LOG_INFO ("Add IP Stack.");
InternetStackHelper internet;
internet.Install (c);
NS_LOG_INFO ("Assign IP Addresses.");
Ipv4AddressHelper ipv4Addr;
ipv4Addr.SetBase ("10.1.1.0", "255.255.255.0");
ipv4Addr.Assign (nd0);
ipv4Addr.SetBase ("10.1.2.0", "255.255.255.0");
ipv4Addr.Assign (nd1);
NS_LOG_INFO ("Configure multicasting.");
//
// Now we can configure multicasting. As described above, the multicast
// source is at node zero, which we assigned the IP address of 10.1.1.1
// earlier. We need to define a multicast group to send packets to. This
// can be any multicast address from 224.0.0.0 through 239.255.255.255
// (avoiding the reserved routing protocol addresses).
//
Ipv4Address multicastSource ("10.1.1.1");
Ipv4Address multicastGroup ("225.1.2.4");
// Now, we will set up multicast routing. We need to do three things:
// 1) Configure a (static) multicast route on node n2
// 2) Set up a default multicast route on the sender n0
// 3) Have node n4 join the multicast group
// We have a helper that can help us with static multicast
Ipv4StaticRoutingHelper multicast;
// 1) Configure a (static) multicast route on node n2 (multicastRouter)
Ptr<Node> multicastRouter = c.Get (2); // The node in question
Ptr<NetDevice> inputIf = nd0.Get (2); // The input NetDevice
NetDeviceContainer outputDevices; // A container of output NetDevices
outputDevices.Add (nd1.Get (0)); // (we only need one NetDevice here)
multicast.AddMulticastRoute (multicastRouter, multicastSource,
multicastGroup, inputIf, outputDevices);
// 2) Set up a default multicast route on the sender n0
Ptr<Node> sender = c.Get (0);
Ptr<NetDevice> senderIf = nd0.Get (0);
multicast.SetDefaultMulticastRoute (sender, senderIf);
//
// Create an OnOff application to send UDP datagrams from node zero to the
// multicast group (node four will be listening).
//
NS_LOG_INFO ("Create Applications.");
uint16_t multicastPort = 9; // Discard port (RFC 863)
// Configure a multicast packet generator that generates a packet
// every few seconds
OnOffHelper onoff ("ns3::UdpSocketFactory",
Address (InetSocketAddress (multicastGroup, multicastPort)));
onoff.SetConstantRate (DataRate ("255b/s"));
onoff.SetAttribute ("PacketSize", UintegerValue (128));
ApplicationContainer srcC = onoff.Install (c0.Get (0));
//
// Tell the application when to start and stop.
//
srcC.Start (Seconds (1.));
srcC.Stop (Seconds (10.));
// Create an optional packet sink to receive these packets
PacketSinkHelper sink ("ns3::UdpSocketFactory",
InetSocketAddress (Ipv4Address::GetAny (), multicastPort));
ApplicationContainer sinkC = sink.Install (c1.Get (2)); // Node n4
// Start the sink
sinkC.Start (Seconds (1.0));
sinkC.Stop (Seconds (10.0));
NS_LOG_INFO ("Configure Tracing.");
//
// Configure tracing of all enqueue, dequeue, and NetDevice receive events.
// Ascii trace output will be sent to the file "csma-multicast.tr"
//
AsciiTraceHelper ascii;
csma.EnableAsciiAll (ascii.CreateFileStream ("csma-multicast.tr"));
// Also configure some tcpdump traces; each interface will be traced.
// The output files will be named:
// csma-multicast-<nodeId>-<interfaceId>.pcap
// and can be read by the "tcpdump -r" command (use "-tt" option to
// display timestamps correctly)
csma.EnablePcapAll ("csma-multicast", false);
//
// Now, do the actual simulation.
//
NS_LOG_INFO ("Run Simulation.");
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Done.");
}
int
main (int argc, char *argv[])
{
//
// Users may find it convenient to turn on explicit debugging
// for selected modules; the below lines suggest how to do this
//
#if 0
LogComponentEnable ("CsmaBridgeOneHopExample", LOG_LEVEL_INFO);
#endif
//
// Allow the user to override any of the defaults and the above Bind() at
// run-time, via command-line arguments
//
CommandLine cmd;
cmd.Parse (argc, argv);
//
// Explicitly create the nodes required by the topology (shown above).
//
NS_LOG_INFO ("Create nodes.");
Ptr<Node> n0 = CreateObject<Node> ();
Ptr<Node> n1 = CreateObject<Node> ();
Ptr<Node> n2 = CreateObject<Node> ();
Ptr<Node> n3 = CreateObject<Node> ();
Ptr<Node> n4 = CreateObject<Node> ();
Ptr<Node> bridge1 = CreateObject<Node> ();
Ptr<Node> bridge2 = CreateObject<Node> ();
NS_LOG_INFO ("Build Topology");
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", DataRateValue (5000000));
csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
// Create the csma links, from each terminal to the bridge
// This will create six network devices; we'll keep track separately
// of the devices on and off the bridge respectively, for later configuration
NetDeviceContainer topLanDevices;
NetDeviceContainer topBridgeDevices;
// It is easier to iterate the nodes in C++ if we put them into a container
NodeContainer topLan (n2, n0, n1);
for (int i = 0; i < 3; i++)
{
// install a csma channel between the ith toplan node and the bridge node
NetDeviceContainer link = csma.Install (NodeContainer (topLan.Get (i), bridge1));
topLanDevices.Add (link.Get (0));
topBridgeDevices.Add (link.Get (1));
}
//
// Now, Create the bridge netdevice, which will do the packet switching. The
// bridge lives on the node bridge1 and bridges together the topBridgeDevices
// which are the three CSMA net devices on the node in the diagram above.
//
BridgeHelper bridge;
bridge.Install (bridge1, topBridgeDevices);
// Add internet stack to the router nodes
NodeContainer routerNodes (n0, n1, n2, n3, n4);
InternetStackHelper internet;
internet.Install (routerNodes);
// Repeat for bottom bridged LAN
NetDeviceContainer bottomLanDevices;
NetDeviceContainer bottomBridgeDevices;
NodeContainer bottomLan (n2, n3, n4);
for (int i = 0; i < 3; i++)
{
NetDeviceContainer link = csma.Install (NodeContainer (bottomLan.Get (i), bridge2));
bottomLanDevices.Add (link.Get (0));
bottomBridgeDevices.Add (link.Get (1));
}
bridge.Install (bridge2, bottomBridgeDevices);
// We've got the "hardware" in place. Now we need to add IP addresses.
NS_LOG_INFO ("Assign IP Addresses.");
Ipv4AddressHelper ipv4;
ipv4.SetBase ("10.1.1.0", "255.255.255.0");
ipv4.Assign (topLanDevices);
ipv4.SetBase ("10.1.2.0", "255.255.255.0");
ipv4.Assign (bottomLanDevices);
//
// Create router nodes, initialize routing database and set up the routing
// tables in the nodes. We excuse the bridge nodes from having to serve as
// routers, since they don't even have internet stacks on them.
//
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
//
// Create an OnOff application to send UDP datagrams from node zero to node 1.
//
NS_LOG_INFO ("Create Applications.");
uint16_t port = 9; // Discard port (RFC 863)
OnOffHelper onoff ("ns3::UdpSocketFactory",
Address (InetSocketAddress (Ipv4Address ("10.1.1.3"), port)));
onoff.SetConstantRate (DataRate ("500kb/s"));
ApplicationContainer app = onoff.Install (n0);
// Start the application
app.Start (Seconds (1.0));
app.Stop (Seconds (10.0));
// Create an optional packet sink to receive these packets
PacketSinkHelper sink ("ns3::UdpSocketFactory",
Address (InetSocketAddress (Ipv4Address::GetAny (), port)));
ApplicationContainer sink1 = sink.Install (n1);
sink1.Start (Seconds (1.0));
sink1.Stop (Seconds (10.0));
//
// Create a similar flow from n3 to n0, starting at time 1.1 seconds
//
onoff.SetAttribute ("Remote",
AddressValue (InetSocketAddress (Ipv4Address ("10.1.1.2"), port)));
ApplicationContainer app2 = onoff.Install (n3);
app2.Start (Seconds (1.1));
app2.Stop (Seconds (10.0));
ApplicationContainer sink2 = sink.Install (n0);
sink2.Start (Seconds (1.1));
sink2.Stop (Seconds (10.0));
NS_LOG_INFO ("Configure Tracing.");
//
// Configure tracing of all enqueue, dequeue, and NetDevice receive events.
// Trace output will be sent to the file "csma-bridge-one-hop.tr"
//
AsciiTraceHelper ascii;
csma.EnableAsciiAll (ascii.CreateFileStream ("csma-bridge-one-hop.tr"));
//
// Also configure some tcpdump traces; each interface will be traced.
// The output files will be named:
// csma-bridge-one-hop-<nodeId>-<interfaceId>.pcap
// and can be read by the "tcpdump -r" command (use "-tt" option to
// display timestamps correctly)
//
csma.EnablePcapAll ("csma-bridge-one-hop", false);
//
// Now, do the actual simulation.
//
NS_LOG_INFO ("Run Simulation.");
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Done.");
}
int main (int argc, char** argv)
{
bool verbose = false;
CommandLine cmd;
cmd.AddValue ("verbose", "turn on log components", verbose);
cmd.Parse (argc, argv);
if (verbose)
{
LogComponentEnable ("Ipv6L3Protocol", LOG_LEVEL_ALL);
LogComponentEnable ("Icmpv6L4Protocol", LOG_LEVEL_ALL);
LogComponentEnable ("Ipv6StaticRouting", LOG_LEVEL_ALL);
LogComponentEnable ("Ipv6Interface", LOG_LEVEL_ALL);
LogComponentEnable ("Ping6Application", LOG_LEVEL_ALL);
}
NS_LOG_INFO ("Create nodes.");
Ptr<Node> n0 = CreateObject<Node> ();
Ptr<Node> r = CreateObject<Node> ();
Ptr<Node> n1 = CreateObject<Node> ();
NodeContainer net1 (n0, r);
NodeContainer net2 (r, n1);
NodeContainer all (n0, r, n1);
NS_LOG_INFO ("Create IPv6 Internet Stack");
InternetStackHelper internetv6;
internetv6.Install (all);
NS_LOG_INFO ("Create channels.");
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", DataRateValue (5000000));
csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
NetDeviceContainer d1 = csma.Install (net1);
NetDeviceContainer d2 = csma.Install (net2);
NS_LOG_INFO ("Create networks and assign IPv6 Addresses.");
Ipv6AddressHelper ipv6;
ipv6.SetBase (Ipv6Address ("2001:1::"), Ipv6Prefix (64));
Ipv6InterfaceContainer i1 = ipv6.Assign (d1);
i1.SetForwarding (1, true);
i1.SetDefaultRouteInAllNodes (1);
ipv6.SetBase (Ipv6Address ("2001:2::"), Ipv6Prefix (64));
Ipv6InterfaceContainer i2 = ipv6.Assign (d2);
i2.SetForwarding (0, true);
i2.SetDefaultRouteInAllNodes (0);
Ipv6StaticRoutingHelper routingHelper;
Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper> (&std::cout);
routingHelper.PrintRoutingTableAt (Seconds (0), n0, routingStream);
/* Create a Ping6 application to send ICMPv6 echo request from n0 to n1 via r */
uint32_t packetSize = 4096;
uint32_t maxPacketCount = 5;
Time interPacketInterval = Seconds (1.0);
Ping6Helper ping6;
ping6.SetLocal (i1.GetAddress (0, 1));
ping6.SetRemote (i2.GetAddress (1, 1));
ping6.SetAttribute ("MaxPackets", UintegerValue (maxPacketCount));
ping6.SetAttribute ("Interval", TimeValue (interPacketInterval));
ping6.SetAttribute ("PacketSize", UintegerValue (packetSize));
ApplicationContainer apps = ping6.Install (net1.Get (0));
apps.Start (Seconds (2.0));
apps.Stop (Seconds (20.0));
AsciiTraceHelper ascii;
csma.EnableAsciiAll (ascii.CreateFileStream ("fragmentation-ipv6.tr"));
csma.EnablePcapAll (std::string ("fragmentation-ipv6"), true);
NS_LOG_INFO ("Run Simulation.");
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Done.");
}
