April 26 Experiment 10 Submission

Author: yvrakesh

Sem-6/Networks Lab/Week-10/B180427CS_Exp10/1. Installing Dependencies/1. Installing g++ and python3.png

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+// Extended this from third.cc which is default file given under examples/tutorial
+#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/yans-wifi-helper.h"
+#include "ns3/ssid.h"
+#include <cmath>
+// For NetAnim Animation
+#include "ns3/netanim-module.h"
+
+using namespace ns3;
+
+NS_LOG_COMPONENT_DEFINE ("Wifi two way communication");
+
+int main (int argc, char *argv[]){
+    // Since we are unaware where its range run out
+	for(int i=0;i<60;i++){
+
+		bool verbose = true, tracing = true;
+		uint32_t nWifi = 2;
+		if (verbose)
+		{
+            // In order to take logs
+            // Logs can be taken in different types as per user requirements
+            // log_level_all, debug, error, function, info, logic, warn
+            // U can select to what extend you need
+			LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_INFO);
+			LogComponentEnable("UdpEchoServerApplication", LOG_LEVEL_INFO);
+		}
+	
+        // Create 2 base stationary nodes and 1 Access point node
+		NodeContainer wifiStaNodes, wifiApNode;
+		wifiStaNodes.Create (nWifi);
+		wifiApNode.Create (1);
+	
+        // Choosing technology channel to communicate
+		YansWifiChannelHelper channel = YansWifiChannelHelper::Default ();
+		YansWifiPhyHelper phy;
+		phy.SetChannel (channel.Create ());
+	
+		WifiHelper wifi;
+		wifi.SetRemoteStationManager ("ns3::AarfWifiManager");
+	
+		WifiMacHelper mac;
+		Ssid ssid = Ssid ("ns-3-ssid");
+		mac.SetType ("ns3::StaWifiMac","Ssid", SsidValue (ssid),"ActiveProbing", BooleanValue (false));
+	
+        // Install Channels on node
+		NetDeviceContainer staDevices;
+		staDevices = wifi.Install (phy, mac, wifiStaNodes);
+		mac.SetType ("ns3::ApWifiMac","Ssid", SsidValue (ssid));
+	
+		NetDeviceContainer apDevice;
+		apDevice = wifi.Install (phy, mac, wifiApNode);
+	
+
+		MobilityHelper mobility;
+		mobility.SetPositionAllocator ("ns3::GridPositionAllocator",
+										"MinX", DoubleValue (0.0),
+										"MinY", DoubleValue (0.0),
+										"DeltaX", DoubleValue (5.0),
+										"DeltaY", DoubleValue (5.0),
+										"GridWidth", UintegerValue (3),
+										"LayoutType", StringValue ("RowFirst"));
+		mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
+		mobility.Install (wifiApNode);
+		mobility.Install (wifiStaNodes);
+	
+		// Set up Internet stack on nodes
+        InternetStackHelper stack;
+		stack.Install (wifiApNode);
+		stack.Install (wifiStaNodes);
+	
+        // Assign IP address to communicate
+		Ipv4AddressHelper address;
+		Ipv4InterfaceContainer wifiInterfaces, wifiApInterface;
+	
+		address.SetBase ("192.168.2.0", "255.255.255.0");
+		wifiApInterface = address.Assign (apDevice);
+		wifiInterfaces = address.Assign (staDevices);
+	
+		UdpEchoServerHelper echoServer (9);
+		ApplicationContainer serverApps = echoServer.Install (wifiApNode.Get (0));
+		serverApps.Start (Seconds (1.0));
+		serverApps.Stop (Seconds (10.0));
+	
+		UdpEchoClientHelper echoClient (wifiApInterface.GetAddress (0), 9);
+	
+		echoClient.SetAttribute ("MaxPackets", UintegerValue (1));
+		echoClient.SetAttribute ("Interval", TimeValue (Seconds (1.0)));
+		echoClient.SetAttribute ("PacketSize", UintegerValue (1024));
+	
+		ApplicationContainer clientApp1 = echoClient.Install (wifiStaNodes.Get (0));
+		clientApp1.Start (Seconds (2.0));
+		clientApp1.Stop (Seconds (10.0));
+	
+		ApplicationContainer clientApp2 = echoClient.Install (wifiStaNodes.Get (1));
+		clientApp2.Start (Seconds (2.0));
+		clientApp2.Stop (Seconds (10.0));
+	
+		Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
+		Simulator::Stop (Seconds (10.0));
+	
+		AnimationInterface anim ("wifi.xml");
+		anim.SetConstantPosition(wifiApNode.Get(0), 100.0, 100.0);
+		anim.SetConstantPosition(wifiStaNodes.Get(0), 100.0+i, 100.0);
+		anim.SetConstantPosition(wifiStaNodes.Get(1), 100.0-i, 100.0);
+	
+        if(tracing == true){
+            phy.EnablePcap("wifi",apDevice);
+        }
+		printf("\n-------------------\n");
+	
+		Simulator::Run ();
+
+		printf("Node 1 distance: %lf\n", sqrt(mobility.GetDistanceSquaredBetween (wifiStaNodes.Get(0), wifiApNode.Get(0))));
+		printf("Node 2 distance: %lf\n", sqrt(mobility.GetDistanceSquaredBetween (wifiStaNodes.Get(1), wifiApNode.Get(0))));
+		fflush(stdout);
+	
+		Simulator::Destroy ();
+	}
+	return 0;
+}