int main (int argc, char *argv[]) { #ifdef NS3_CLICK // // Enable logging // LogComponentEnable ("NsclickUdpClientServerWifi", LOG_LEVEL_INFO); // // Explicitly create the nodes required by the topology (shown above). // NS_LOG_INFO ("Create nodes."); NodeContainer n; n.Create (4); NS_LOG_INFO ("Create channels."); // // Explicitly create the channels required by the topology (shown above). // std::string phyMode ("DsssRate1Mbps"); // 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)); WifiHelper wifi; 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 (-80)); 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 d = wifi.Install (wifiPhy, wifiMac, n); MobilityHelper mobility; Ptr<ListPositionAllocator> positionAlloc = CreateObject<ListPositionAllocator> (); positionAlloc->Add (Vector (0.0, 0.0, 0.0)); positionAlloc->Add (Vector (10.0, 0.0, 0.0)); positionAlloc->Add (Vector (20.0, 0.0, 0.0)); positionAlloc->Add (Vector (0.0, 10.0, 0.0)); mobility.SetPositionAllocator (positionAlloc); mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel"); mobility.Install (n); // // Install Click on the nodes // ClickInternetStackHelper clickinternet; clickinternet.SetClickFile (n.Get (0), "src/click/examples/nsclick-wifi-single-interface.click"); clickinternet.SetClickFile (n.Get (1), "src/click/examples/nsclick-wifi-single-interface.click"); clickinternet.SetClickFile (n.Get (2), "src/click/examples/nsclick-wifi-single-interface.click"); // Node 4 is to run in promiscuous mode. This can be verified // from the pcap trace Node4_in_eth0.pcap generated after running // this script. clickinternet.SetClickFile (n.Get (3), "src/click/examples/nsclick-wifi-single-interface-promisc.click"); clickinternet.SetRoutingTableElement (n, "rt"); clickinternet.Install (n); Ipv4AddressHelper ipv4; // // We've got the "hardware" in place. Now we need to add IP addresses. // NS_LOG_INFO ("Assign IP Addresses."); ipv4.SetBase ("172.16.1.0", "255.255.255.0"); Ipv4InterfaceContainer i = ipv4.Assign (d); NS_LOG_INFO ("Create Applications."); // // Create one udpServer applications on node one. // uint16_t port = 4000; UdpServerHelper server (port); ApplicationContainer apps = server.Install (n.Get (1)); apps.Start (Seconds (1.0)); apps.Stop (Seconds (10.0)); // // Create one UdpClient application to send UDP datagrams from node zero to // node one. // uint32_t MaxPacketSize = 1024; Time interPacketInterval = Seconds (0.5); uint32_t maxPacketCount = 320; UdpClientHelper client (i.GetAddress (1), port); client.SetAttribute ("MaxPackets", UintegerValue (maxPacketCount)); client.SetAttribute ("Interval", TimeValue (interPacketInterval)); client.SetAttribute ("PacketSize", UintegerValue (MaxPacketSize)); apps = client.Install (NodeContainer (n.Get (0), n.Get (2))); apps.Start (Seconds (2.0)); apps.Stop (Seconds (10.0)); wifiPhy.EnablePcap ("nsclick-udp-client-server-wifi", d); // Force the MAC address of the second node: The current ARP // implementation of Click sends only one ARP request per incoming // packet for an unknown destination and does not retransmit if no // response is received. With the scenario of this example, all ARP // requests of node 3 are lost due to interference from node // 1. Hence, we fill in the ARP table of node 2 before at the // beginning of the simulation Simulator::Schedule (Seconds (0.5), &ReadArp, n.Get (2)->GetObject<Ipv4ClickRouting> ()); Simulator::Schedule (Seconds (0.6), &WriteArp, n.Get (2)->GetObject<Ipv4ClickRouting> ()); Simulator::Schedule (Seconds (0.7), &ReadArp, n.Get (2)->GetObject<Ipv4ClickRouting> ()); // // Now, do the actual simulation. // NS_LOG_INFO ("Run Simulation."); Simulator::Stop (Seconds (20.0)); Simulator::Run (); Simulator::Destroy (); NS_LOG_INFO ("Done."); #else NS_FATAL_ERROR ("Can't use ns-3-click without NSCLICK compiled in"); #endif }
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[]) { 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; }
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 (); }