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nix-vector-routing: Handle Multiple Wifi connections with same channe…
…l object Signed-off-by: Ameya Deshpande <[email protected]>
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| /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ | ||
| /* | ||
| * Copyright (c) 2021 NITK Surathkal | ||
| * | ||
| * This program is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License version 2 as | ||
| * published by the Free Software Foundation; | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program; if not, write to the Free Software | ||
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| * | ||
| * This example is inspired from examples/tutorial/third.cc by | ||
| * substituting the CSMA network with another WiFi network. | ||
| * | ||
| * Author: Ameya Deshpande <[email protected]> | ||
| */ | ||
|
|
||
| #include "ns3/core-module.h" | ||
| #include "ns3/point-to-point-module.h" | ||
| #include "ns3/network-module.h" | ||
| #include "ns3/applications-module.h" | ||
| #include "ns3/mobility-module.h" | ||
| #include "ns3/csma-module.h" | ||
| #include "ns3/internet-module.h" | ||
| #include "ns3/wifi-module.h" | ||
| #include "ns3/ssid.h" | ||
| #include "ns3/nix-vector-routing-module.h" | ||
|
|
||
| /** | ||
| * This example demonstrates how Nix works with | ||
| * two Wifi networks on the same channel. | ||
| * | ||
| * IPv4 Network Topology | ||
| * \verbatim | ||
| Wifi 10.1.1.0/24 | ||
| AP | ||
| * * * * | ||
| | | | | 10.1.2.0/24 | ||
| n5 n6 n7 n0 -------------- n1 n2 n3 n4 | ||
| point-to-point | | | | | ||
| * * * * | ||
| AP | ||
| Wifi 10.1.3.0/24 | ||
| \endverbatim | ||
| * | ||
| * \verbatim | ||
| Wifi 2001:1::/64 | ||
| AP | ||
| * * * * | ||
| | | | | 2001:2::/64 | ||
| n5 n6 n7 n0 -------------- n1 n2 n3 n4 | ||
| point-to-point | | | | | ||
| * * * * | ||
| AP | ||
| Wifi 2001:3::/64 | ||
| \endverbatim | ||
| * | ||
| * Expected Outputs: | ||
| * IPv4: | ||
| * \verbatim | ||
| Time: +7s, Nix Routing | ||
| Route Path: (Node 4 to Node 7, Nix Vector: 100011) | ||
| 10.1.1.3 (Node 4) ----> 10.1.1.4 (Node 0) | ||
| 10.1.2.1 (Node 0) ----> 10.1.2.2 (Node 1) | ||
| 10.1.3.4 (Node 1) ----> 10.1.3.3 (Node 7) | ||
| \endverbatim | ||
| * | ||
| * IPv6: | ||
| * \verbatim | ||
| Time: +7s, Nix Routing | ||
| Route Path: (Node 4 to Node 7, Nix Vector: 100011) | ||
| 2001:1::200:ff:fe00:5 (Node 4) ----> fe80::200:ff:fe00:6 (Node 0) | ||
| fe80::200:ff:fe00:1 (Node 0) ----> fe80::200:ff:fe00:2 (Node 1) | ||
| fe80::200:ff:fe00:a (Node 1) ----> 2001:3::200:ff:fe00:9 (Node 7) | ||
| \endverbatim | ||
| */ | ||
|
|
||
| using namespace ns3; | ||
|
|
||
| NS_LOG_COMPONENT_DEFINE ("NixDoubleWifiExample"); | ||
|
|
||
| int | ||
| main (int argc, char *argv[]) | ||
| { | ||
| bool useIpv6 = false; | ||
| bool enableNixLog = false; | ||
|
|
||
| CommandLine cmd (__FILE__); | ||
| cmd.AddValue ("useIPv6", "Use IPv6 instead of IPv4", useIpv6); | ||
| cmd.AddValue ("enableNixLog", "Enable NixVectorRouting logging", enableNixLog); | ||
| cmd.Parse (argc,argv); | ||
|
|
||
| LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_INFO); | ||
| LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_INFO); | ||
| if (enableNixLog) | ||
| { | ||
| LogComponentEnable ("NixVectorRouting", LOG_LEVEL_LOGIC); | ||
| } | ||
|
|
||
| NodeContainer p2pNodes; | ||
| p2pNodes.Create (2); | ||
|
|
||
| PointToPointHelper pointToPoint; | ||
| pointToPoint.SetDeviceAttribute ("DataRate", StringValue ("5Mbps")); | ||
| pointToPoint.SetChannelAttribute ("Delay", StringValue ("2ms")); | ||
|
|
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| NetDeviceContainer p2pDevices; | ||
| p2pDevices = pointToPoint.Install (p2pNodes); | ||
|
|
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| NodeContainer wifiStaNodes1; | ||
| wifiStaNodes1.Create (3); | ||
| NodeContainer wifiApNode1 = p2pNodes.Get (0); | ||
|
|
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| NodeContainer wifiStaNodes2; | ||
| wifiStaNodes2.Create (3); | ||
| NodeContainer wifiApNode2 = p2pNodes.Get (1); | ||
|
|
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| YansWifiChannelHelper channel = YansWifiChannelHelper::Default (); | ||
| YansWifiPhyHelper phy; | ||
| phy.SetChannel (channel.Create ()); | ||
|
|
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| WifiHelper wifi; | ||
| wifi.SetRemoteStationManager ("ns3::AarfWifiManager"); | ||
|
|
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| WifiMacHelper mac; | ||
| Ssid ssid = Ssid ("ns-3-ssid-first"); | ||
| mac.SetType ("ns3::StaWifiMac", | ||
| "Ssid", SsidValue (ssid), | ||
| "ActiveProbing", BooleanValue (false)); | ||
|
|
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| NetDeviceContainer staDevices1; | ||
| staDevices1 = wifi.Install (phy, mac, wifiStaNodes1); | ||
|
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| mac.SetType ("ns3::ApWifiMac", | ||
| "Ssid", SsidValue (ssid)); | ||
|
|
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| NetDeviceContainer apDevices1; | ||
| apDevices1 = wifi.Install (phy, mac, wifiApNode1); | ||
|
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| ssid = Ssid ("ns-3-ssid-second"); | ||
| mac.SetType ("ns3::StaWifiMac", | ||
| "Ssid", SsidValue (ssid), | ||
| "ActiveProbing", BooleanValue (false)); | ||
|
|
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| NetDeviceContainer staDevices2; | ||
| staDevices2 = wifi.Install (phy, mac, wifiStaNodes2); | ||
|
|
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| mac.SetType ("ns3::ApWifiMac", | ||
| "Ssid", SsidValue (ssid)); | ||
|
|
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| NetDeviceContainer apDevices2; | ||
| apDevices2 = wifi.Install (phy, mac, wifiApNode2); | ||
|
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| MobilityHelper mobility; | ||
|
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| mobility.SetPositionAllocator ("ns3::GridPositionAllocator", | ||
| "MinX", DoubleValue (0.0), | ||
| "MinY", DoubleValue (0.0), | ||
| "DeltaX", DoubleValue (5.0), | ||
| "DeltaY", DoubleValue (10.0), | ||
| "GridWidth", UintegerValue (3), | ||
| "LayoutType", StringValue ("RowFirst")); | ||
|
|
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| mobility.SetMobilityModel ("ns3::RandomWalk2dMobilityModel", | ||
| "Bounds", RectangleValue (Rectangle (-50, 50, -50, 50))); | ||
| mobility.Install (wifiStaNodes1); | ||
| mobility.Install (wifiStaNodes2); | ||
|
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| mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel"); | ||
| mobility.Install (wifiApNode1); | ||
| mobility.Install (wifiApNode2); | ||
|
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| Address udpServerAddress; | ||
|
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||
| if (!useIpv6) | ||
| { | ||
| InternetStackHelper stack; | ||
| Ipv4NixVectorHelper nixRouting; | ||
| stack.SetRoutingHelper (nixRouting); | ||
| stack.Install (wifiApNode1); | ||
| stack.Install (wifiStaNodes1); | ||
| stack.Install (wifiApNode2); | ||
| stack.Install (wifiStaNodes2); | ||
|
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| Ipv4AddressHelper address; | ||
|
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| address.SetBase ("10.1.1.0", "255.255.255.0"); | ||
| address.Assign (staDevices1); | ||
| address.Assign (apDevices1); | ||
|
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| address.SetBase ("10.1.2.0", "255.255.255.0"); | ||
| Ipv4InterfaceContainer p2pInterfaces; | ||
| p2pInterfaces = address.Assign (p2pDevices); | ||
|
|
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| address.SetBase ("10.1.3.0", "255.255.255.0"); | ||
| Ipv4InterfaceContainer staDevicesInterfaces2; | ||
| staDevicesInterfaces2 = address.Assign (staDevices2); | ||
| address.Assign (apDevices2); | ||
|
|
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| udpServerAddress = staDevicesInterfaces2.GetAddress (2); | ||
|
|
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| Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper> ("nix-double-wifi-ipv4.routes", std::ios::out); | ||
| nixRouting.PrintRoutingPathAt (Seconds (7), wifiStaNodes1.Get (2), staDevicesInterfaces2.GetAddress (2), routingStream); | ||
| } | ||
| else | ||
| { | ||
| InternetStackHelper stack; | ||
| Ipv6NixVectorHelper nixRouting; | ||
| stack.SetRoutingHelper (nixRouting); | ||
| stack.Install (wifiApNode1); | ||
| stack.Install (wifiStaNodes1); | ||
| stack.Install (wifiApNode2); | ||
| stack.Install (wifiStaNodes2); | ||
|
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| Ipv6AddressHelper address; | ||
|
|
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| address.SetBase (Ipv6Address ("2001:1::"), Ipv6Prefix (64)); | ||
| address.Assign (staDevices1); | ||
| address.Assign (apDevices1); | ||
|
|
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| address.SetBase (Ipv6Address ("2001:2::"), Ipv6Prefix (64)); | ||
| Ipv6InterfaceContainer p2pInterfaces; | ||
| p2pInterfaces = address.Assign (p2pDevices); | ||
|
|
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| address.SetBase (Ipv6Address ("2001:3::"), Ipv6Prefix (64)); | ||
| Ipv6InterfaceContainer staDevicesInterfaces2; | ||
| staDevicesInterfaces2 = address.Assign (staDevices2); | ||
| address.Assign (apDevices2); | ||
|
|
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| udpServerAddress = staDevicesInterfaces2.GetAddress (2, 1); | ||
|
|
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| Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper> ("nix-double-wifi-ipv6.routes", std::ios::out); | ||
| nixRouting.PrintRoutingPathAt (Seconds (7), wifiStaNodes1.Get (2), staDevicesInterfaces2.GetAddress (2, 1), routingStream); | ||
| } | ||
|
|
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| UdpEchoServerHelper echoServer (9); | ||
|
|
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| ApplicationContainer serverApps = echoServer.Install (wifiStaNodes2.Get (2)); | ||
| serverApps.Start (Seconds (1.0)); | ||
| serverApps.Stop (Seconds (10.0)); | ||
|
|
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| UdpEchoClientHelper echoClient (udpServerAddress, 9); | ||
| echoClient.SetAttribute ("MaxPackets", UintegerValue (1)); | ||
| echoClient.SetAttribute ("Interval", TimeValue (Seconds (1.0))); | ||
| echoClient.SetAttribute ("PacketSize", UintegerValue (1024)); | ||
|
|
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| ApplicationContainer clientApps = echoClient.Install (wifiStaNodes1.Get (2)); | ||
| clientApps.Start (Seconds (2.0)); | ||
| clientApps.Stop (Seconds (10.0)); | ||
|
|
||
| Simulator::Stop (Seconds (10.0)); | ||
|
|
||
| Simulator::Run (); | ||
| Simulator::Destroy (); | ||
| return 0; | ||
| } |
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