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; }
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[]) { #ifdef NS3_CLICK NodeContainer csmaNodes; csmaNodes.Create (2); // Setup CSMA channel between the nodes CsmaHelper csma; csma.SetChannelAttribute ("DataRate", DataRateValue (DataRate (5000000))); csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2))); NetDeviceContainer csmaDevices = csma.Install (csmaNodes); // Install normal internet stack on node B InternetStackHelper internet; internet.Install (csmaNodes.Get (1)); // Install Click on node A ClickInternetStackHelper clickinternet; clickinternet.SetClickFile (csmaNodes.Get (0), "src/click/examples/nsclick-lan-single-interface.click"); clickinternet.SetRoutingTableElement (csmaNodes.Get (0), "rt"); clickinternet.Install (csmaNodes.Get (0)); // Configure IP addresses for the nodes Ipv4AddressHelper ipv4; ipv4.SetBase ("172.16.1.0", "255.255.255.0"); ipv4.Assign (csmaDevices); // Configure traffic application and sockets Address LocalAddress (InetSocketAddress (Ipv4Address::GetAny (), 50000)); PacketSinkHelper packetSinkHelper ("ns3::TcpSocketFactory", LocalAddress); ApplicationContainer recvapp = packetSinkHelper.Install (csmaNodes.Get (1)); recvapp.Start (Seconds (5.0)); recvapp.Stop (Seconds (10.0)); OnOffHelper onOffHelper ("ns3::TcpSocketFactory", Address ()); onOffHelper.SetAttribute ("OnTime", StringValue ("ns3::ConstantRandomVariable[Constant=1]")); onOffHelper.SetAttribute ("OffTime", StringValue ("ns3::ConstantRandomVariable[Constant=0]")); ApplicationContainer appcont; AddressValue remoteAddress (InetSocketAddress (Ipv4Address ("172.16.1.2"), 50000)); onOffHelper.SetAttribute ("Remote", remoteAddress); appcont.Add (onOffHelper.Install (csmaNodes.Get (0))); appcont.Start (Seconds (5.0)); appcont.Stop (Seconds (10.0)); // For tracing csma.EnablePcap ("nsclick-simple-lan", csmaDevices, false); Simulator::Stop (Seconds (20.0)); Simulator::Run (); Simulator::Destroy (); return 0; #else NS_FATAL_ERROR ("Can't use ns-3-click without NSCLICK compiled in"); #endif }
// // 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; }
// Network topology // // n0 n1 // | | // ---------- // | Switch | // ---------- // | | // n2 n3 // // - CBR/UDP test flow from n0 to n1; test that packets received on n1 // void CsmaBridgeTestCase::DoRun (void) { NodeContainer terminals; terminals.Create (4); NodeContainer csmaSwitch; csmaSwitch.Create (1); CsmaHelper csma; csma.SetChannelAttribute ("DataRate", DataRateValue (5000000)); csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2))); NetDeviceContainer terminalDevices; NetDeviceContainer switchDevices; for (int i = 0; i < 4; i++) { NetDeviceContainer link = csma.Install (NodeContainer (terminals.Get (i), csmaSwitch)); terminalDevices.Add (link.Get (0)); switchDevices.Add (link.Get (1)); } // Create the bridge netdevice, which will do the packet switching Ptr<Node> switchNode = csmaSwitch.Get (0); BridgeHelper bridge; bridge.Install (switchNode, switchDevices); InternetStackHelper internet; internet.Install (terminals); Ipv4AddressHelper ipv4; ipv4.SetBase ("10.1.1.0", "255.255.255.0"); ipv4.Assign (terminalDevices); uint16_t port = 9; // Discard port (RFC 863) // Create the OnOff application to send UDP datagrams from n0 to n1. // // Make packets be sent about every DefaultPacketSize / DataRate = // 4096 bits / (5000 bits/second) = 0.82 second. OnOffHelper onoff ("ns3::UdpSocketFactory", Address (InetSocketAddress (Ipv4Address ("10.1.1.2"), port))); onoff.SetConstantRate (DataRate (5000)); ApplicationContainer app = onoff.Install (terminals.Get (0)); app.Start (Seconds (1.0)); app.Stop (Seconds (10.0)); PacketSinkHelper sink ("ns3::UdpSocketFactory", Address (InetSocketAddress (Ipv4Address::GetAny (), port))); app = sink.Install (terminals.Get (1)); app.Start (Seconds (0.0)); // Trace receptions Config::ConnectWithoutContext ("/NodeList/1/ApplicationList/0/$ns3::PacketSink/Rx", MakeCallback (&CsmaBridgeTestCase::SinkRx, this)); Simulator::Run (); Simulator::Destroy (); // We should have sent and received 10 packets NS_TEST_ASSERT_MSG_EQ (m_count, 10, "Bridge should have passed 10 packets"); }
// Network topology // // n0 n1 n2 n3 // | | | | // ================= // LAN // // - CBR/UDP flows from n0 to n1 and from n3 to n0 // - DropTail queues // void CsmaOneSubnetTestCase::DoRun (void) { NodeContainer nodes; nodes.Create (4); CsmaHelper csma; csma.SetChannelAttribute ("DataRate", DataRateValue (5000000)); csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2))); // // Now fill out the topology by creating the net devices required to connect // the nodes to the channels and hooking them up. // NetDeviceContainer devices = csma.Install (nodes); InternetStackHelper internet; internet.Install (nodes); // We've got the "hardware" in place. Now we need to add IP addresses. // Ipv4AddressHelper ipv4; ipv4.SetBase ("10.1.1.0", "255.255.255.0"); Ipv4InterfaceContainer interfaces = ipv4.Assign (devices); uint16_t port = 9; // Discard port (RFC 863) // // Create an OnOff application to send UDP datagrams from node zero // to node 1. // // Make packets be sent about every defaultPacketSize / dataRate = // 4096 bits / (5000 bits/second) = 0.82 second. OnOffHelper onoff ("ns3::UdpSocketFactory", Address (InetSocketAddress (interfaces.GetAddress (1), port))); onoff.SetConstantRate (DataRate (5000)); ApplicationContainer app = onoff.Install (nodes.Get (0)); // 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))); app = sink.Install (nodes.Get (1)); app.Start (Seconds (0.0)); // // Create a similar flow from n3 to n0, starting at time 1.1 seconds // onoff.SetAttribute ("Remote", AddressValue (InetSocketAddress (interfaces.GetAddress (0), port))); app = onoff.Install (nodes.Get (3)); app.Start (Seconds (1.1)); app.Stop (Seconds (10.0)); app = sink.Install (nodes.Get (0)); app.Start (Seconds (0.0)); // Trace receptions Config::ConnectWithoutContext ("/NodeList/0/ApplicationList/1/$ns3::PacketSink/Rx", MakeCallback (&CsmaOneSubnetTestCase::SinkRxNode0, this)); Config::ConnectWithoutContext ("/NodeList/1/ApplicationList/0/$ns3::PacketSink/Rx", MakeCallback (&CsmaOneSubnetTestCase::SinkRxNode1, this)); // // Now, do the actual simulation. // Simulator::Run (); Simulator::Destroy (); // We should have sent and received 10 packets NS_TEST_ASSERT_MSG_EQ (m_countNode0, 10, "Node 0 should have received 10 packets"); NS_TEST_ASSERT_MSG_EQ (m_countNode1, 10, "Node 1 should have received 10 packets"); }
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[]) { std::string phyMode ("DsssRate1Mbps"); double rss = -80; // -dBm uint32_t packetSize = 1000; // bytes uint32_t numPackets = 1; double interval = 1.0; // seconds bool verbose = false; CommandLine cmd; cmd.AddValue ("phyMode", "Wifi Phy mode", phyMode); cmd.AddValue ("rss", "received signal strength", rss); 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.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 (2); // 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 } wifi.SetStandard (WIFI_PHY_STANDARD_80211b); YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default (); // This is one parameter that matters when using FixedRssLossModel // set it to zero; otherwise, gain will be added wifiPhy.Set ("RxGain", DoubleValue (0) ); // ns-3 supports RadioTap and Prism tracing extensions for 802.11b wifiPhy.SetPcapDataLinkType (YansWifiPhyHelper::DLT_IEEE802_11_RADIO); YansWifiChannelHelper wifiChannel; wifiChannel.SetPropagationDelay ("ns3::ConstantSpeedPropagationDelayModel"); // The below FixedRssLossModel will cause the rss to be fixed regardless // of the distance between the two stations, and the transmit power wifiChannel.AddPropagationLoss ("ns3::FixedRssLossModel","Rss",DoubleValue (rss)); wifiPhy.SetChannel (wifiChannel.Create ()); // Add a non-QoS upper mac, and disable rate control NqosWifiMacHelper wifiMac = NqosWifiMacHelper::Default (); 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); // Note that with FixedRssLossModel, the positions below are not // used for received signal strength. MobilityHelper mobility; Ptr<ListPositionAllocator> positionAlloc = CreateObject<ListPositionAllocator> (); positionAlloc->Add (Vector (0.0, 0.0, 0.0)); positionAlloc->Add (Vector (5.0, 0.0, 0.0)); mobility.SetPositionAllocator (positionAlloc); mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel"); mobility.Install (c); InternetStackHelper internet; 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 (0), tid); InetSocketAddress local = InetSocketAddress (Ipv4Address::GetAny (), 80); recvSink->Bind (local); recvSink->SetRecvCallback (MakeCallback (&ReceivePacket)); Ptr<Socket> source = Socket::CreateSocket (c.Get (1), tid); InetSocketAddress remote = InetSocketAddress (Ipv4Address ("255.255.255.255"), 80); source->SetAllowBroadcast (true); source->Connect (remote); // Tracing wifiPhy.EnablePcap ("wifi-simple-adhoc", devices); // Output what we are doing NS_LOG_UNCOND ("Testing " << numPackets << " packets sent with receiver rss " << rss ); Simulator::ScheduleWithContext (source->GetNode ()->GetId (), Seconds (1.0), &GenerateTraffic, source, packetSize, numPackets, interPacketInterval); Simulator::Run (); Simulator::Destroy (); return 0; }
// Test derived from examples/routing/dynamic-global-routing.cc // // Network topology // // n0 // \ p-p // \ (shared csma/cd) // n2 -------------------------n3 // / | | // / p-p n4 n5 ---------- n6 // n1 p-p // | | // ---------------------------------------- // p-p // // Test that for node n6, the interface facing n5 receives packets at // times (1-2), (4-6), (8-10), (11-12), (14-16) and the interface // facing n1 receives packets at times (2-4), (6-8), (12-13) // void DynamicGlobalRoutingTestCase::DoRun (void) { // The below value configures the default behavior of global routing. // By default, it is disabled. To respond to interface events, set to true Config::SetDefault ("ns3::Ipv4GlobalRouting::RespondToInterfaceEvents", BooleanValue (true)); NodeContainer c; c.Create (7); NodeContainer n0n2 = NodeContainer (c.Get (0), c.Get (2)); NodeContainer n1n2 = NodeContainer (c.Get (1), c.Get (2)); NodeContainer n5n6 = NodeContainer (c.Get (5), c.Get (6)); NodeContainer n1n6 = NodeContainer (c.Get (1), c.Get (6)); NodeContainer n2345 = NodeContainer (c.Get (2), c.Get (3), c.Get (4), c.Get (5)); InternetStackHelper internet; internet.Install (c); // We create the channels first without any IP addressing information PointToPointHelper p2p; p2p.SetDeviceAttribute ("DataRate", StringValue ("5Mbps")); p2p.SetChannelAttribute ("Delay", StringValue ("2ms")); NetDeviceContainer d0d2 = p2p.Install (n0n2); NetDeviceContainer d1d6 = p2p.Install (n1n6); NetDeviceContainer d1d2 = p2p.Install (n1n2); p2p.SetDeviceAttribute ("DataRate", StringValue ("1500kbps")); p2p.SetChannelAttribute ("Delay", StringValue ("10ms")); NetDeviceContainer d5d6 = p2p.Install (n5n6); // We create the channels first without any IP addressing information CsmaHelper csma; csma.SetChannelAttribute ("DataRate", StringValue ("5Mbps")); csma.SetChannelAttribute ("Delay", StringValue ("2ms")); NetDeviceContainer d2345 = csma.Install (n2345); // Later, we add IP addresses. Ipv4AddressHelper ipv4; ipv4.SetBase ("10.1.1.0", "255.255.255.0"); ipv4.Assign (d0d2); ipv4.SetBase ("10.1.2.0", "255.255.255.0"); ipv4.Assign (d1d2); ipv4.SetBase ("10.1.3.0", "255.255.255.0"); Ipv4InterfaceContainer i5i6 = ipv4.Assign (d5d6); ipv4.SetBase ("10.250.1.0", "255.255.255.0"); ipv4.Assign (d2345); ipv4.SetBase ("172.16.1.0", "255.255.255.0"); Ipv4InterfaceContainer i1i6 = ipv4.Assign (d1d6); // Create router nodes, initialize routing database and set up the routing // tables in the nodes. Ipv4GlobalRoutingHelper::PopulateRoutingTables (); // Create the OnOff application to send UDP datagrams of size // 210 bytes at a rate of 448 Kb/s uint16_t port = 9; // Discard port (RFC 863) OnOffHelper onoff ("ns3::UdpSocketFactory", InetSocketAddress (i5i6.GetAddress (1), port)); onoff.SetConstantRate (DataRate ("2kbps")); onoff.SetAttribute ("PacketSize", UintegerValue (50)); ApplicationContainer apps = onoff.Install (c.Get (1)); apps.Start (Seconds (1.0)); apps.Stop (Seconds (10.0)); // Create a second OnOff application to send UDP datagrams of size // 210 bytes at a rate of 448 Kb/s OnOffHelper onoff2 ("ns3::UdpSocketFactory", InetSocketAddress (i1i6.GetAddress (1), port)); onoff2.SetAttribute ("OnTime", StringValue ("ns3::ConstantRandomVariable[Constant=1]")); onoff2.SetAttribute ("OffTime", StringValue ("ns3::ConstantRandomVariable[Constant=0]")); onoff2.SetAttribute ("DataRate", StringValue ("2kbps")); onoff2.SetAttribute ("PacketSize", UintegerValue (50)); ApplicationContainer apps2 = onoff2.Install (c.Get (1)); apps2.Start (Seconds (11.0)); apps2.Stop (Seconds (16.0)); // Create an optional packet sink to receive these packets TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory"); Ptr<Socket> sink2 = Socket::CreateSocket (c.Get (6), tid); sink2->Bind (Address (InetSocketAddress (Ipv4Address::GetAny (), port))); sink2->Listen (); sink2->ShutdownSend (); sink2->SetRecvPktInfo (true); sink2->SetRecvCallback (MakeCallback (&DynamicGlobalRoutingTestCase::HandleRead, this)); Ptr<Node> n1 = c.Get (1); Ptr<Ipv4> ipv41 = n1->GetObject<Ipv4> (); // The first ifIndex is 0 for loopback, then the first p2p is numbered 1, // then the next p2p is numbered 2 uint32_t ipv4ifIndex1 = 2; // Trace receptions Config::Connect ("/NodeList/6/ApplicationList/*/$ns3::PacketSink/Rx", MakeCallback (&DynamicGlobalRoutingTestCase::SinkRx, this)); Simulator::Schedule (Seconds (2),&Ipv4::SetDown,ipv41, ipv4ifIndex1); Simulator::Schedule (Seconds (4),&Ipv4::SetUp,ipv41, ipv4ifIndex1); Ptr<Node> n6 = c.Get (6); Ptr<Ipv4> ipv46 = n6->GetObject<Ipv4> (); // The first ifIndex is 0 for loopback, then the first p2p is numbered 1, // then the next p2p is numbered 2 uint32_t ipv4ifIndex6 = 2; Simulator::Schedule (Seconds (6),&Ipv4::SetDown,ipv46, ipv4ifIndex6); Simulator::Schedule (Seconds (8),&Ipv4::SetUp,ipv46, ipv4ifIndex6); Simulator::Schedule (Seconds (12),&Ipv4::SetDown,ipv41, ipv4ifIndex1); Simulator::Schedule (Seconds (14),&Ipv4::SetUp,ipv41, ipv4ifIndex1); Simulator::Run (); NS_TEST_ASSERT_MSG_EQ (m_count, 68, "Dynamic global routing did not deliver all packets"); // Test that for node n6, the interface facing n5 receives packets at // times (1-2), (4-6), (8-10), (11-12), (14-16) and the interface // facing n1 receives packets at times (2-4), (6-8), (12-13) NS_TEST_ASSERT_MSG_EQ (m_firstInterface[1], 4, "Dynamic global routing did not deliver all packets"); NS_TEST_ASSERT_MSG_EQ (m_secondInterface[2], 5, "Dynamic global routing did not deliver all packets"); NS_TEST_ASSERT_MSG_EQ (m_secondInterface[3], 5, "Dynamic global routing did not deliver all packets"); NS_TEST_ASSERT_MSG_EQ (m_firstInterface[4], 5, "Dynamic global routing did not deliver all packets"); NS_TEST_ASSERT_MSG_EQ (m_firstInterface[5], 5, "Dynamic global routing did not deliver all packets"); NS_TEST_ASSERT_MSG_EQ (m_secondInterface[6], 5, "Dynamic global routing did not deliver all packets"); NS_TEST_ASSERT_MSG_EQ (m_secondInterface[7], 5, "Dynamic global routing did not deliver all packets"); NS_TEST_ASSERT_MSG_EQ (m_firstInterface[8], 5, "Dynamic global routing did not deliver all packets"); NS_TEST_ASSERT_MSG_EQ (m_firstInterface[9], 5, "Dynamic global routing did not deliver all packets"); NS_TEST_ASSERT_MSG_EQ (m_firstInterface[10], 0, "Dynamic global routing did not deliver all packets"); NS_TEST_ASSERT_MSG_EQ (m_firstInterface[11], 4, "Dynamic global routing did not deliver all packets"); NS_TEST_ASSERT_MSG_EQ (m_secondInterface[12], 5, "Dynamic global routing did not deliver all packets"); NS_TEST_ASSERT_MSG_EQ (m_secondInterface[13], 5, "Dynamic global routing did not deliver all packets"); NS_TEST_ASSERT_MSG_EQ (m_firstInterface[14], 5, "Dynamic global routing did not deliver all packets"); NS_TEST_ASSERT_MSG_EQ (m_firstInterface[15], 5, "Dynamic global routing did not deliver all packets"); Simulator::Destroy (); }
int main (int argc, char *argv[]) { std::string mode = "ConfigureLocal"; std::string tapName = "thetap"; CommandLine cmd; cmd.AddValue ("mode", "Mode setting of TapBridge", mode); cmd.AddValue ("tapName", "Name of the OS tap device", tapName); cmd.Parse (argc, argv); GlobalValue::Bind ("SimulatorImplementationType", StringValue ("ns3::RealtimeSimulatorImpl")); GlobalValue::Bind ("ChecksumEnabled", BooleanValue (true)); // // The topology has a Wifi network of four nodes on the left side. We'll make // node zero the AP and have the other three will be the STAs. // NodeContainer nodesLeft; nodesLeft.Create (4); YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default (); YansWifiChannelHelper wifiChannel = YansWifiChannelHelper::Default (); wifiPhy.SetChannel (wifiChannel.Create ()); Ssid ssid = Ssid ("left"); WifiHelper wifi = WifiHelper::Default (); NqosWifiMacHelper wifiMac = NqosWifiMacHelper::Default (); wifi.SetRemoteStationManager ("ns3::ArfWifiManager"); wifiMac.SetType ("ns3::ApWifiMac", "Ssid", SsidValue (ssid)); NetDeviceContainer devicesLeft = wifi.Install (wifiPhy, wifiMac, nodesLeft.Get (0)); wifiMac.SetType ("ns3::StaWifiMac", "Ssid", SsidValue (ssid), "ActiveProbing", BooleanValue (false)); devicesLeft.Add (wifi.Install (wifiPhy, wifiMac, NodeContainer (nodesLeft.Get (1), nodesLeft.Get (2), nodesLeft.Get (3)))); MobilityHelper mobility; mobility.Install (nodesLeft); InternetStackHelper internetLeft; internetLeft.Install (nodesLeft); Ipv4AddressHelper ipv4Left; ipv4Left.SetBase ("10.1.1.0", "255.255.255.0"); Ipv4InterfaceContainer interfacesLeft = ipv4Left.Assign (devicesLeft); TapBridgeHelper tapBridge (interfacesLeft.GetAddress (1)); tapBridge.SetAttribute ("Mode", StringValue (mode)); tapBridge.SetAttribute ("DeviceName", StringValue (tapName)); tapBridge.Install (nodesLeft.Get (0), devicesLeft.Get (0)); // // Now, create the right side. // NodeContainer nodesRight; nodesRight.Create (4); CsmaHelper csmaRight; csmaRight.SetChannelAttribute ("DataRate", DataRateValue (5000000)); csmaRight.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2))); NetDeviceContainer devicesRight = csmaRight.Install (nodesRight); InternetStackHelper internetRight; internetRight.Install (nodesRight); Ipv4AddressHelper ipv4Right; ipv4Right.SetBase ("10.1.3.0", "255.255.255.0"); Ipv4InterfaceContainer interfacesRight = ipv4Right.Assign (devicesRight); // // Stick in the point-to-point line between the sides. // PointToPointHelper p2p; p2p.SetDeviceAttribute ("DataRate", StringValue ("512kbps")); p2p.SetChannelAttribute ("Delay", StringValue ("10ms")); NodeContainer nodes = NodeContainer (nodesLeft.Get (3), nodesRight.Get (0)); NetDeviceContainer devices = p2p.Install (nodes); Ipv4AddressHelper ipv4; ipv4.SetBase ("10.1.2.0", "255.255.255.192"); Ipv4InterfaceContainer interfaces = ipv4.Assign (devices); // // Simulate some CBR traffic over the point-to-point link // uint16_t port = 9; // Discard port (RFC 863) OnOffHelper onoff ("ns3::UdpSocketFactory", InetSocketAddress (interfaces.GetAddress (1), port)); onoff.SetConstantRate (DataRate ("500kb/s")); ApplicationContainer apps = onoff.Install (nodesLeft.Get (3)); apps.Start (Seconds (1.0)); // Create a packet sink to receive these packets PacketSinkHelper sink ("ns3::UdpSocketFactory", InetSocketAddress (Ipv4Address::GetAny (), port)); apps = sink.Install (nodesRight.Get (0)); apps.Start (Seconds (1.0)); wifiPhy.EnablePcapAll ("tap-wifi-dumbbell"); csmaRight.EnablePcapAll ("tap-wifi-dumbbell", false); Ipv4GlobalRoutingHelper::PopulateRoutingTables (); Simulator::Stop (Seconds (60.)); Simulator::Run (); Simulator::Destroy (); }
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[]) { 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; }
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 }
// 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"); }
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[]) { uint32_t packetSize = 1000; // Application bytes per packet double interval = 1.0; // Time between events uint32_t generationSize = 3; // RLNC generation size double errorRateEncoderRecoder = 0.4; // Error rate for encoder-recoder link double errorRateRecoderDecoder = 0.2; // Error rate for recoder-decoder link bool recodingFlag = true; // Flag to control recoding Time interPacketInterval = Seconds (interval); CommandLine cmd; cmd.AddValue ("packetSize", "Size of application packet sent", packetSize); cmd.AddValue ("interval", "Interval (seconds) between packets", interval); cmd.AddValue ("generationSize", "Set the generation size to use", generationSize); cmd.AddValue ("errorRateEncoderRecoder", "Packet erasure rate for the encoder-recoder link", errorRateEncoderRecoder); cmd.AddValue ("errorRateRecoderDecoder", "Packet erasure rate for the recoder-decoder link", errorRateRecoderDecoder); cmd.AddValue ("recodingFlag", "Enable packet recoding", recodingFlag); cmd.Parse (argc, argv); Time::SetResolution (Time::NS); // Set the basic helper for a single link PointToPointHelper pointToPoint; // Create node containers NodeContainer nodes; nodes.Create (3); NodeContainer encoderRecoder = NodeContainer (nodes.Get (0), nodes.Get (1)); NodeContainer recoderDecoder = NodeContainer (nodes.Get (1), nodes.Get (2)); // Internet stack for the nodes InternetStackHelper internet; internet.Install (nodes); // Create net device containers NetDeviceContainer encoderRecoderDevs = pointToPoint.Install (encoderRecoder); NetDeviceContainer recoderDecoderDevs = pointToPoint.Install (recoderDecoder); NetDeviceContainer devices = NetDeviceContainer (encoderRecoderDevs, recoderDecoderDevs); // Set IP addresses Ipv4AddressHelper ipv4("10.1.1.0", "255.255.255.0"); ipv4.Assign (devices); // Turn on global static routing so we can actually be routed across the hops Ipv4GlobalRoutingHelper::PopulateRoutingTables (); // Do pcap tracing on all point-to-point devices on all nodes. File naming // convention is: multihop-[NODE_NUMBER]-[DEVICE_NUMBER].pcap pointToPoint.EnablePcapAll ("multihop"); // Set error model for the net devices Config::SetDefault ("ns3::RateErrorModel::ErrorUnit", StringValue ("ERROR_UNIT_PACKET")); Ptr<RateErrorModel> errorEncoderRecoder = CreateObject<RateErrorModel> (); errorEncoderRecoder->SetAttribute ("ErrorRate", DoubleValue (errorRateEncoderRecoder)); devices.Get (1)->SetAttribute ("ReceiveErrorModel", PointerValue (errorEncoderRecoder)); Ptr<RateErrorModel> errorRecoderDecoder = CreateObject<RateErrorModel> (); errorRecoderDecoder->SetAttribute ("ErrorRate", DoubleValue (errorRateRecoderDecoder)); devices.Get (3)->SetAttribute ("ReceiveErrorModel", PointerValue (errorRecoderDecoder)); errorEncoderRecoder->Enable (); errorRecoderDecoder->Enable (); // Creation of RLNC encoder and decoder objects rlnc_encoder::factory encoder_factory(generationSize, packetSize); rlnc_decoder::factory decoder_factory(generationSize, packetSize); // The member build function creates differents instances of each object KodoSimulation kodoSimulator(encoder_factory.build(), decoder_factory.build(), decoder_factory.build(), recodingFlag); // Setting up application sockets for recoder and decoder uint16_t port = 80; TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory"); // Get node Ipv4 addresses Ipv4Address recoderAddress = nodes.Get (1)->GetObject<Ipv4>()-> GetAddress(1,0).GetLocal(); Ipv4Address decoderAddress = nodes.Get (2)->GetObject<Ipv4>()-> GetAddress(1,0).GetLocal(); // Socket connection addresses InetSocketAddress recoderSocketAddress = InetSocketAddress (recoderAddress, port); InetSocketAddress decoderSocketAddress = InetSocketAddress (decoderAddress, port); // Socket bind address InetSocketAddress local = InetSocketAddress (Ipv4Address::GetAny(), port); // Encoder Ptr<Socket> encoderSocket = Socket::CreateSocket (nodes.Get (0), tid); encoderSocket->Connect (recoderSocketAddress); // Recoder Ptr<Socket> recoderSocket = Socket::CreateSocket (nodes.Get (1), tid); recoderSocket->Bind(local); recoderSocket->Connect (decoderSocketAddress); recoderSocket-> SetRecvCallback (MakeCallback (&KodoSimulation::ReceivePacketRecoder, &kodoSimulator)); // Decoder Ptr<Socket> decoderSocket = Socket::CreateSocket (nodes.Get (2), tid); decoderSocket->Bind(local); decoderSocket-> SetRecvCallback (MakeCallback (&KodoSimulation::ReceivePacketDecoder, &kodoSimulator)); // Simulation setup // Schedule encoding process Simulator::ScheduleWithContext (encoderSocket->GetNode ()->GetId (), Seconds (1.0), &KodoSimulation::SendPacketEncoder, &kodoSimulator, encoderSocket, interPacketInterval); Simulator::ScheduleWithContext (recoderSocket->GetNode ()->GetId (), Seconds (1.5), &KodoSimulation::SendPacketRecoder, &kodoSimulator, recoderSocket, interPacketInterval); Simulator::Run (); Simulator::Destroy (); return 0; }
void EpcS1uDlTestCase::DoRun () { Ptr<PointToPointEpcHelper> epcHelper = CreateObject<PointToPointEpcHelper> (); Ptr<Node> pgw = epcHelper->GetPgwNode (); // allow jumbo packets Config::SetDefault ("ns3::CsmaNetDevice::Mtu", UintegerValue (30000)); Config::SetDefault ("ns3::PointToPointNetDevice::Mtu", UintegerValue (30000)); epcHelper->SetAttribute ("S1uLinkMtu", UintegerValue (30000)); // Create a single RemoteHost NodeContainer remoteHostContainer; remoteHostContainer.Create (1); Ptr<Node> remoteHost = remoteHostContainer.Get (0); InternetStackHelper internet; internet.Install (remoteHostContainer); // Create the internet PointToPointHelper p2ph; p2ph.SetDeviceAttribute ("DataRate", DataRateValue (DataRate ("100Gb/s"))); NetDeviceContainer internetDevices = p2ph.Install (pgw, remoteHost); Ipv4AddressHelper ipv4h; ipv4h.SetBase ("1.0.0.0", "255.0.0.0"); ipv4h.Assign (internetDevices); // setup default gateway for the remote hosts Ipv4StaticRoutingHelper ipv4RoutingHelper; Ptr<Ipv4StaticRouting> remoteHostStaticRouting = ipv4RoutingHelper.GetStaticRouting (remoteHost->GetObject<Ipv4> ()); // hardcoded UE addresses for now remoteHostStaticRouting->AddNetworkRouteTo (Ipv4Address ("7.0.0.0"), Ipv4Mask ("255.255.255.0"), 1); NodeContainer enbs; uint16_t cellIdCounter = 0; for (std::vector<EnbDlTestData>::iterator enbit = m_enbDlTestData.begin (); enbit < m_enbDlTestData.end (); ++enbit) { Ptr<Node> enb = CreateObject<Node> (); enbs.Add (enb); // we test EPC without LTE, hence we use: // 1) a CSMA network to simulate the cell // 2) a raw socket opened on the CSMA device to simulate the LTE socket uint16_t cellId = ++cellIdCounter; NodeContainer ues; ues.Create (enbit->ues.size ()); NodeContainer cell; cell.Add (ues); cell.Add (enb); CsmaHelper csmaCell; NetDeviceContainer cellDevices = csmaCell.Install (cell); // the eNB's CSMA NetDevice acting as an LTE NetDevice. Ptr<NetDevice> enbDevice = cellDevices.Get (cellDevices.GetN () - 1); // Note that the EpcEnbApplication won't care of the actual NetDevice type epcHelper->AddEnb (enb, enbDevice, cellId); // Plug test RRC entity Ptr<EpcEnbApplication> enbApp = enb->GetApplication (0)->GetObject<EpcEnbApplication> (); NS_ASSERT_MSG (enbApp != 0, "cannot retrieve EpcEnbApplication"); Ptr<EpcTestRrc> rrc = CreateObject<EpcTestRrc> (); rrc->SetS1SapProvider (enbApp->GetS1SapProvider ()); enbApp->SetS1SapUser (rrc->GetS1SapUser ()); // we install the IP stack on UEs only InternetStackHelper internet; internet.Install (ues); // assign IP address to UEs, and install applications for (uint32_t u = 0; u < ues.GetN (); ++u) { Ptr<NetDevice> ueLteDevice = cellDevices.Get (u); Ipv4InterfaceContainer ueIpIface = epcHelper->AssignUeIpv4Address (NetDeviceContainer (ueLteDevice)); Ptr<Node> ue = ues.Get (u); // disable IP Forwarding on the UE. This is because we use // CSMA broadcast MAC addresses for this test. The problem // won't happen with a LteUeNetDevice. ue->GetObject<Ipv4> ()->SetAttribute ("IpForward", BooleanValue (false)); uint16_t port = 1234; PacketSinkHelper packetSinkHelper ("ns3::UdpSocketFactory", InetSocketAddress (Ipv4Address::GetAny (), port)); ApplicationContainer apps = packetSinkHelper.Install (ue); apps.Start (Seconds (1.0)); apps.Stop (Seconds (10.0)); enbit->ues[u].serverApp = apps.Get (0)->GetObject<PacketSink> (); Time interPacketInterval = Seconds (0.01); UdpEchoClientHelper client (ueIpIface.GetAddress (0), port); client.SetAttribute ("MaxPackets", UintegerValue (enbit->ues[u].numPkts)); client.SetAttribute ("Interval", TimeValue (interPacketInterval)); client.SetAttribute ("PacketSize", UintegerValue (enbit->ues[u].pktSize)); apps = client.Install (remoteHost); apps.Start (Seconds (2.0)); apps.Stop (Seconds (10.0)); enbit->ues[u].clientApp = apps.Get (0); uint64_t imsi = u+1; epcHelper->AddUe (ueLteDevice, imsi); epcHelper->ActivateEpsBearer (ueLteDevice, imsi, EpcTft::Default (), EpsBearer (EpsBearer::NGBR_VIDEO_TCP_DEFAULT)); enbApp->GetS1SapProvider ()->InitialUeMessage (imsi, (uint16_t) imsi); } } Simulator::Run (); for (std::vector<EnbDlTestData>::iterator enbit = m_enbDlTestData.begin (); enbit < m_enbDlTestData.end (); ++enbit) { for (std::vector<UeDlTestData>::iterator ueit = enbit->ues.begin (); ueit < enbit->ues.end (); ++ueit) { NS_TEST_ASSERT_MSG_EQ (ueit->serverApp->GetTotalRx (), (ueit->numPkts) * (ueit->pktSize), "wrong total received bytes"); } } 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."); }
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[]) { 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 (); }
// // Example of the sending of a datagram to a broadcast address // // Network topology // ============== // | | // n0 n1 n2 // | | // ========== // // n0 originates UDP broadcast to 255.255.255.255/discard port, which // is replicated and received on both n1 and n2 // void CsmaBroadcastTestCase::DoRun (void) { NodeContainer c; c.Create (3); NodeContainer c0 = NodeContainer (c.Get (0), c.Get (1)); NodeContainer c1 = NodeContainer (c.Get (0), c.Get (2)); CsmaHelper csma; csma.SetChannelAttribute ("DataRate", DataRateValue (DataRate (5000000))); csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2))); NetDeviceContainer n0 = csma.Install (c0); NetDeviceContainer n1 = csma.Install (c1); InternetStackHelper internet; internet.Install (c); Ipv4AddressHelper ipv4; ipv4.SetBase ("10.1.0.0", "255.255.255.0"); ipv4.Assign (n0); ipv4.SetBase ("192.168.1.0", "255.255.255.0"); ipv4.Assign (n1); // RFC 863 discard port ("9") indicates packet should be thrown away // by the system. We allow this silent discard to be overridden // by the PacketSink application. uint16_t port = 9; // Create the OnOff application to send UDP datagrams from n0. // // Make packets be sent about every DefaultPacketSize / DataRate = // 4096 bits / (5000 bits/second) = 0.82 second. OnOffHelper onoff ("ns3::UdpSocketFactory", Address (InetSocketAddress (Ipv4Address ("255.255.255.255"), port))); onoff.SetConstantRate (DataRate (5000)); ApplicationContainer app = onoff.Install (c0.Get (0)); // 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))); app = sink.Install (c0.Get (1)); app.Add (sink.Install (c1.Get (1))); app.Start (Seconds (1.0)); app.Stop (Seconds (10.0)); // Trace receptions Config::ConnectWithoutContext ("/NodeList/1/ApplicationList/0/$ns3::PacketSink/Rx", MakeCallback (&CsmaBroadcastTestCase::SinkRxNode1, this)); Config::ConnectWithoutContext ("/NodeList/2/ApplicationList/0/$ns3::PacketSink/Rx", MakeCallback (&CsmaBroadcastTestCase::SinkRxNode2, this)); Simulator::Run (); Simulator::Destroy (); // We should have sent and received 10 packets NS_TEST_ASSERT_MSG_EQ (m_countNode1, 10, "Node 1 should have received 10 packets"); NS_TEST_ASSERT_MSG_EQ (m_countNode2, 10, "Node 2 should have received 10 packets"); }
// Test program for this 3-router scenario, using global routing // // (a.a.a.a/32)A<--x.x.x.0/30-->B<--y.y.y.0/30-->C(c.c.c.c/32) // void GlobalRoutingSlash32TestCase::DoRun (void) { Ptr<Node> nA = CreateObject<Node> (); Ptr<Node> nB = CreateObject<Node> (); Ptr<Node> nC = CreateObject<Node> (); NodeContainer c = NodeContainer (nA, nB, nC); InternetStackHelper internet; internet.Install (c); // Point-to-point links NodeContainer nAnB = NodeContainer (nA, nB); NodeContainer nBnC = NodeContainer (nB, nC); // We create the channels first without any IP addressing information PointToPointHelper p2p; p2p.SetDeviceAttribute ("DataRate", StringValue ("5Mbps")); p2p.SetChannelAttribute ("Delay", StringValue ("2ms")); NetDeviceContainer dAdB = p2p.Install (nAnB); NetDeviceContainer dBdC = p2p.Install (nBnC);; Ptr<CsmaNetDevice> deviceA = CreateObject<CsmaNetDevice> (); deviceA->SetAddress (Mac48Address::Allocate ()); nA->AddDevice (deviceA); Ptr<CsmaNetDevice> deviceC = CreateObject<CsmaNetDevice> (); deviceC->SetAddress (Mac48Address::Allocate ()); nC->AddDevice (deviceC); // Later, we add IP addresses. Ipv4AddressHelper ipv4; ipv4.SetBase ("10.1.1.0", "255.255.255.252"); Ipv4InterfaceContainer iAiB = ipv4.Assign (dAdB); ipv4.SetBase ("10.1.1.4", "255.255.255.252"); Ipv4InterfaceContainer iBiC = ipv4.Assign (dBdC); Ptr<Ipv4> ipv4A = nA->GetObject<Ipv4> (); Ptr<Ipv4> ipv4C = nC->GetObject<Ipv4> (); int32_t ifIndexA = ipv4A->AddInterface (deviceA); int32_t ifIndexC = ipv4C->AddInterface (deviceC); Ipv4InterfaceAddress ifInAddrA = Ipv4InterfaceAddress (Ipv4Address ("172.16.1.1"), Ipv4Mask ("255.255.255.255")); ipv4A->AddAddress (ifIndexA, ifInAddrA); ipv4A->SetMetric (ifIndexA, 1); ipv4A->SetUp (ifIndexA); Ipv4InterfaceAddress ifInAddrC = Ipv4InterfaceAddress (Ipv4Address ("192.168.1.1"), Ipv4Mask ("255.255.255.255")); ipv4C->AddAddress (ifIndexC, ifInAddrC); ipv4C->SetMetric (ifIndexC, 1); ipv4C->SetUp (ifIndexC); // Create router nodes, initialize routing database and set up the routing // tables in the nodes. Ipv4GlobalRoutingHelper::PopulateRoutingTables (); // Create the OnOff application to send UDP datagrams of size // 210 bytes at a rate of 448 Kb/s uint16_t port = 9; // Discard port (RFC 863) OnOffHelper onoff ("ns3::UdpSocketFactory", Address (InetSocketAddress (ifInAddrC.GetLocal (), port))); onoff.SetConstantRate (DataRate (6000)); ApplicationContainer apps = onoff.Install (nA); apps.Start (Seconds (1.0)); apps.Stop (Seconds (10.0)); // Create a packet sink to receive these packets PacketSinkHelper sink ("ns3::UdpSocketFactory", Address (InetSocketAddress (Ipv4Address::GetAny (), port))); apps = sink.Install (nC); apps.Start (Seconds (1.0)); apps.Stop (Seconds (10.0)); Simulator::Run (); // Check that we received 13 * 512 = 6656 bytes Ptr<PacketSink> sinkPtr = DynamicCast <PacketSink> (apps.Get (0)); NS_TEST_ASSERT_MSG_EQ (sinkPtr->GetTotalRx (), 6656, "Static routing with /32 did not deliver all packets"); Simulator::Destroy (); }
// Network topology // // Lan1 // =========== // | | | // n0 n1 n2 n3 n4 // | | | // =========== // Lan0 // // - Multicast source is at node n0; // - Multicast forwarded by node n2 onto LAN1; // - Nodes n0, n1, n2, n3, and n4 receive the multicast frame. // - Node n4 listens for the data // void CsmaMulticastTestCase::DoRun (void) { // // Set up default values for the simulation. // // Select DIX/Ethernet II-style encapsulation (no LLC/Snap header) Config::SetDefault ("ns3::CsmaNetDevice::EncapsulationMode", StringValue ("Dix")); 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)); 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 InternetStackHelper internet; internet.Install (c); 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); // // 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). // uint16_t multicastPort = 9; // Discard port (RFC 863) // Configure a multicast packet generator. // // Make packets be sent about every defaultPacketSize / dataRate = // 4096 bits / (5000 bits/second) = 0.82 second. OnOffHelper onoff ("ns3::UdpSocketFactory", Address (InetSocketAddress (multicastGroup, multicastPort))); onoff.SetConstantRate (DataRate (5000)); 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)); // Trace receptions Config::ConnectWithoutContext ("/NodeList/4/ApplicationList/0/$ns3::PacketSink/Rx", MakeCallback (&CsmaMulticastTestCase::SinkRx, this)); // // Now, do the actual simulation. // Simulator::Run (); Simulator::Destroy (); // We should have sent and received 10 packets NS_TEST_ASSERT_MSG_EQ (m_count, 10, "Node 4 should have received 10 packets"); }
void LenaPssFfMacSchedulerTestCase2::DoRun (void) { if (!m_errorModelEnabled) { Config::SetDefault ("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue (false)); Config::SetDefault ("ns3::LteSpectrumPhy::DataErrorModelEnabled", BooleanValue (false)); } Config::SetDefault ("ns3::LteHelper::UseIdealRrc", BooleanValue (true)); Ptr<LteHelper> lteHelper = CreateObject<LteHelper> (); Ptr<PointToPointEpcHelper> epcHelper = CreateObject<PointToPointEpcHelper> (); lteHelper->SetEpcHelper (epcHelper); Ptr<Node> pgw = epcHelper->GetPgwNode (); // Create a single RemoteHost NodeContainer remoteHostContainer; remoteHostContainer.Create (1); Ptr<Node> remoteHost = remoteHostContainer.Get (0); InternetStackHelper internet; internet.Install (remoteHostContainer); // Create the Internet PointToPointHelper p2ph; p2ph.SetDeviceAttribute ("DataRate", DataRateValue (DataRate ("100Gb/s"))); p2ph.SetDeviceAttribute ("Mtu", UintegerValue (1500)); p2ph.SetChannelAttribute ("Delay", TimeValue (Seconds (0.001))); NetDeviceContainer internetDevices = p2ph.Install (pgw, remoteHost); Ipv4AddressHelper ipv4h; ipv4h.SetBase ("1.0.0.0", "255.0.0.0"); Ipv4InterfaceContainer internetIpIfaces = ipv4h.Assign (internetDevices); // interface 0 is localhost, 1 is the p2p device Ipv4Address remoteHostAddr = internetIpIfaces.GetAddress (1); Ipv4StaticRoutingHelper ipv4RoutingHelper; Ptr<Ipv4StaticRouting> remoteHostStaticRouting = ipv4RoutingHelper.GetStaticRouting (remoteHost->GetObject<Ipv4> ()); remoteHostStaticRouting->AddNetworkRouteTo (Ipv4Address ("7.0.0.0"), Ipv4Mask ("255.0.0.0"), 1); // LogComponentDisableAll (LOG_LEVEL_ALL); //LogComponentEnable ("LenaTestPssFfMacCheduler", LOG_LEVEL_ALL); lteHelper->SetAttribute ("PathlossModel", StringValue ("ns3::FriisSpectrumPropagationLossModel")); // Create Nodes: eNodeB and UE NodeContainer enbNodes; NodeContainer ueNodes; enbNodes.Create (1); ueNodes.Create (m_nUser); // Install Mobility Model MobilityHelper mobility; mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel"); mobility.Install (enbNodes); mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel"); mobility.Install (ueNodes); // Create Devices and install them in the Nodes (eNB and UE) NetDeviceContainer enbDevs; NetDeviceContainer ueDevs; lteHelper->SetSchedulerType ("ns3::PssFfMacScheduler"); enbDevs = lteHelper->InstallEnbDevice (enbNodes); ueDevs = lteHelper->InstallUeDevice (ueNodes); Ptr<LteEnbNetDevice> lteEnbDev = enbDevs.Get (0)->GetObject<LteEnbNetDevice> (); Ptr<LteEnbPhy> enbPhy = lteEnbDev->GetPhy (); enbPhy->SetAttribute ("TxPower", DoubleValue (30.0)); enbPhy->SetAttribute ("NoiseFigure", DoubleValue (5.0)); // Set UEs' position and power for (int i = 0; i < m_nUser; i++) { Ptr<ConstantPositionMobilityModel> mm = ueNodes.Get (i)->GetObject<ConstantPositionMobilityModel> (); mm->SetPosition (Vector (m_dist.at (i), 0.0, 0.0)); Ptr<LteUeNetDevice> lteUeDev = ueDevs.Get (i)->GetObject<LteUeNetDevice> (); Ptr<LteUePhy> uePhy = lteUeDev->GetPhy (); uePhy->SetAttribute ("TxPower", DoubleValue (23.0)); uePhy->SetAttribute ("NoiseFigure", DoubleValue (9.0)); } // Install the IP stack on the UEs internet.Install (ueNodes); Ipv4InterfaceContainer ueIpIface; ueIpIface = epcHelper->AssignUeIpv4Address (NetDeviceContainer (ueDevs)); // Assign IP address to UEs for (uint32_t u = 0; u < ueNodes.GetN (); ++u) { Ptr<Node> ueNode = ueNodes.Get (u); // Set the default gateway for the UE Ptr<Ipv4StaticRouting> ueStaticRouting = ipv4RoutingHelper.GetStaticRouting (ueNode->GetObject<Ipv4> ()); ueStaticRouting->SetDefaultRoute (epcHelper->GetUeDefaultGatewayAddress (), 1); } // Attach a UE to a eNB lteHelper->Attach (ueDevs, enbDevs.Get (0)); // Activate an EPS bearer on all UEs for (uint32_t u = 0; u < ueNodes.GetN (); ++u) { Ptr<NetDevice> ueDevice = ueDevs.Get (u); GbrQosInformation qos; qos.gbrDl = (m_packetSize.at (u) + 32) * (1000 / m_interval) * 8; // bit/s, considering IP, UDP, RLC, PDCP header size qos.gbrUl = (m_packetSize.at (u) + 32) * (1000 / m_interval) * 8; qos.mbrDl = qos.gbrDl; qos.mbrUl = qos.gbrUl; enum EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE; EpsBearer bearer (q, qos); lteHelper->ActivateDedicatedEpsBearer (ueDevice, bearer, EpcTft::Default ()); } // Install downlind and uplink applications uint16_t dlPort = 1234; uint16_t ulPort = 2000; PacketSinkHelper dlPacketSinkHelper ("ns3::UdpSocketFactory", InetSocketAddress (Ipv4Address::GetAny (), dlPort)); PacketSinkHelper ulPacketSinkHelper ("ns3::UdpSocketFactory", InetSocketAddress (Ipv4Address::GetAny (), ulPort)); ApplicationContainer clientApps; ApplicationContainer serverApps; for (uint32_t u = 0; u < ueNodes.GetN (); ++u) { ++ulPort; serverApps.Add (dlPacketSinkHelper.Install (ueNodes.Get (u))); // receive packets from remotehost serverApps.Add (ulPacketSinkHelper.Install (remoteHost)); // receive packets from UEs UdpClientHelper dlClient (ueIpIface.GetAddress (u), dlPort); // uplink packets generator dlClient.SetAttribute ("Interval", TimeValue (MilliSeconds (m_interval))); dlClient.SetAttribute ("MaxPackets", UintegerValue (1000000)); dlClient.SetAttribute ("PacketSize", UintegerValue (m_packetSize.at (u))); UdpClientHelper ulClient (remoteHostAddr, ulPort); // downlink packets generator ulClient.SetAttribute ("Interval", TimeValue (MilliSeconds (m_interval))); ulClient.SetAttribute ("MaxPackets", UintegerValue (1000000)); ulClient.SetAttribute ("PacketSize", UintegerValue (m_packetSize.at (u))); clientApps.Add (dlClient.Install (remoteHost)); clientApps.Add (ulClient.Install (ueNodes.Get (u))); } serverApps.Start (Seconds (0.030)); clientApps.Start (Seconds (0.030)); double statsStartTime = 0.04; // need to allow for RRC connection establishment + SRS double statsDuration = 0.5; double tolerance = 0.1; Simulator::Stop (Seconds (statsStartTime + statsDuration - 0.0001)); lteHelper->EnableRlcTraces (); Ptr<RadioBearerStatsCalculator> rlcStats = lteHelper->GetRlcStats (); rlcStats->SetAttribute ("StartTime", TimeValue (Seconds (statsStartTime))); rlcStats->SetAttribute ("EpochDuration", TimeValue (Seconds (statsDuration))); Simulator::Run (); /** * Check that the downlink assignation is done in a "token bank fair queue" manner */ NS_LOG_INFO ("DL - Test with " << m_nUser << " user(s)"); std::vector <uint64_t> dlDataRxed; for (int i = 0; i < m_nUser; i++) { // get the imsi uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi (); // get the lcId uint8_t lcId = 4; dlDataRxed.push_back (rlcStats->GetDlRxData (imsi, lcId)); NS_LOG_INFO ("\tUser " << i << " dist " << m_dist.at (i) << " imsi " << imsi << " bytes rxed " << (double)dlDataRxed.at (i) << " thr " << (double)dlDataRxed.at (i) / statsDuration << " ref " << m_estThrPssDl.at (i)); } for (int i = 0; i < m_nUser; i++) { NS_TEST_ASSERT_MSG_EQ_TOL ((double)dlDataRxed.at (i) / statsDuration, m_estThrPssDl.at (i), m_estThrPssDl.at (i) * tolerance, " Unfair Throughput!"); } Simulator::Destroy (); }
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."); }