Files
sixth-semester/computational_tools/2node4router.cc
2021-04-26 22:35:12 +05:30

127 lines
4.3 KiB
C++

/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* /media/avinal/ADVANCED/my_git/sixth-semester/computer_networks
* @file 2node4router.cc
* @author Avinal Kumar
* @since April 20, 2021
*
* 6. Use NS-2/OMNET++ for showing the connection of 2 nodes and 4 router
* such that the extremes nodes act as client and server.
*
* 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
*/
#include "ns3/applications-module.h"
#include "ns3/core-module.h"
#include "ns3/csma-module.h"
#include "ns3/internet-module.h"
#include "ns3/network-module.h"
#include "ns3/point-to-point-module.h"
#include "ns3/ipv4-global-routing-helper.h"
// Default Network Topology 10.1.5.0
// r2---------n1
// / 10.1.3.0
// no----------r0--------r1
// 10.1.1.0 10.1.2.0 \ 10.1.4.0
// r3
using namespace ns3;
NS_LOG_COMPONENT_DEFINE("RouterScriptExample");
int main(int argc, char *argv[]) {
bool verbose = true;
if (verbose) {
LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_INFO);
LogComponentEnable("UdpEchoServerApplication", LOG_LEVEL_INFO);
}
NodeContainer host, router, host1;
host.Create(2);
router.Create(4);
NodeContainer subnet1;
subnet1.Add(host.Get(0));
subnet1.Add(router.Get(0));
PointToPointHelper pointToPoint;
pointToPoint.SetDeviceAttribute("DataRate", StringValue("50Mbps"));
pointToPoint.SetChannelAttribute("Delay", StringValue("2ms"));
NetDeviceContainer subnet1Devices;
subnet1Devices = pointToPoint.Install(subnet1);
InternetStackHelper stack;
stack.Install(router);
stack.Install(host);
Ipv4AddressHelper address1, address2, address3, address4, address5, address6;
address1.SetBase("192.168.47.0", "255.255.255.0");
Ipv4InterfaceContainer subnet1Interfaces;
subnet1Interfaces = address1.Assign(subnet1Devices);
NodeContainer subnet2;
subnet2.Add(router.Get(0));
subnet2.Add(router.Get(1));
NetDeviceContainer subnet2Devices;
subnet2Devices = pointToPoint.Install(subnet2);
address2.SetBase("192.168.48.0", "255.255.255.0");
Ipv4InterfaceContainer subnet2Interfaces;
subnet2Interfaces = address2.Assign(subnet2Devices);
NodeContainer subnet3;
subnet3.Add(router.Get(1));
subnet3.Add(router.Get(2));
NetDeviceContainer subnet3Devices;
subnet3Devices = pointToPoint.Install(subnet3);
address3.SetBase("192.168.49.0", "255.255.255.0");
Ipv4InterfaceContainer subnet3Interfaces;
subnet3Interfaces = address3.Assign(subnet3Devices);
NodeContainer subnet4;
subnet4.Add(router.Get(1));
subnet4.Add(router.Get(3));
NetDeviceContainer subnet4Devices;
subnet4Devices = pointToPoint.Install(subnet4);
address4.SetBase("192.168.50.0", "255.255.255.0");
Ipv4InterfaceContainer subnet4Interfaces;
subnet4Interfaces = address4.Assign(subnet4Devices);
NodeContainer subnet5;
subnet5.Add(router.Get(2));
subnet5.Add(host.Get(1));
NetDeviceContainer subnet5Devices;
subnet5Devices = pointToPoint.Install(subnet5);
address5.SetBase("192.168.51.0", "255.255.255.0");
Ipv4InterfaceContainer subnet5Interfaces;
subnet5Interfaces = address5.Assign(subnet5Devices);
UdpEchoServerHelper echoServer(9);
ApplicationContainer serverApps = echoServer.Install(subnet5.Get(1));
serverApps.Start(Seconds(1.0));
serverApps.Stop(Seconds(50.0));
UdpEchoClientHelper echoClient(subnet5Interfaces.GetAddress(1), 9);
echoClient.SetAttribute("MaxPackets", UintegerValue(3));
echoClient.SetAttribute("Interval", TimeValue(Seconds(1.0)));
echoClient.SetAttribute("PacketSize", UintegerValue(1024));
ApplicationContainer clientApps = echoClient.Install(subnet1.Get(0));
clientApps.Start(Seconds(1.0));
clientApps.Stop(Seconds(50.0));
Ipv4GlobalRoutingHelper::PopulateRoutingTables();
pointToPoint.EnablePcapAll("second");
Simulator::Run();
Simulator::Destroy();
return 0;
}