nix-simple.cc

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/*
 * 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
 *
 * Modified By: Ameya Deshpande <ameyanrd@outlook.com>
 *              Tommaso Pecorella <tommaso.pecorella@unifi.it>
 */
 
#include "ns3/applications-module.h"
#include "ns3/core-module.h"
#include "ns3/internet-module.h"
#include "ns3/ipv4-list-routing-helper.h"
#include "ns3/ipv4-static-routing-helper.h"
#include "ns3/ipv6-list-routing-helper.h"
#include "ns3/ipv6-static-routing-helper.h"
#include "ns3/network-module.h"
#include "ns3/nix-vector-helper.h"
#include "ns3/point-to-point-module.h"
 
using namespace ns3;
 
NS_LOG_COMPONENT_DEFINE("NixSimpleExample");
 
int
main(int argc, char* argv[])
{
    bool useIpv6 = false;
 
    CommandLine cmd(__FILE__);
    cmd.AddValue("useIPv6", "Use IPv6 instead of IPv4", useIpv6);
    cmd.Parse(argc, argv);
 
    LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_INFO);
    LogComponentEnable("UdpEchoServerApplication", LOG_LEVEL_INFO);
 
    NodeContainer nodes;
    nodes.Create(4);
 
    PointToPointHelper pointToPoint;
    pointToPoint.SetDeviceAttribute("DataRate", StringValue("5Mbps"));
    pointToPoint.SetChannelAttribute("Delay", StringValue("2ms"));
 
    NetDeviceContainer devices01;
    NetDeviceContainer devices12;
    NetDeviceContainer devices23;
    NetDeviceContainer devices02;
    devices01 = pointToPoint.Install(NodeContainer(nodes.Get(0), nodes.Get(1)));
    devices12 = pointToPoint.Install(NodeContainer(nodes.Get(1), nodes.Get(2)));
    devices23 = pointToPoint.Install(NodeContainer(nodes.Get(2), nodes.Get(3)));
    devices02 = pointToPoint.Install(NodeContainer(nodes.Get(0), nodes.Get(2)));
 
    Address udpServerAddress;
 
    if (!useIpv6)
    {
        // NixHelper to install nix-vector routing
        // on all nodes
        Ipv4NixVectorHelper nixRouting;
        InternetStackHelper stack;
        stack.SetRoutingHelper(nixRouting); // has effect on the next Install ()
        stack.Install(nodes);
 
        Ipv4AddressHelper address1;
        address1.SetBase("10.1.1.0", "255.255.255.0");
        Ipv4AddressHelper address2;
        address2.SetBase("10.1.2.0", "255.255.255.0");
        Ipv4AddressHelper address3;
        address3.SetBase("10.1.3.0", "255.255.255.0");
        Ipv4AddressHelper address4;
        address4.SetBase("10.1.4.0", "255.255.255.0");
 
        Ipv4InterfaceContainer interfaces01 = address1.Assign(devices01);
        Ipv4InterfaceContainer interfaces12 = address2.Assign(devices12);
        Ipv4InterfaceContainer interfaces23 = address3.Assign(devices23);
        Ipv4InterfaceContainer interfaces02 = address4.Assign(devices02);
 
        udpServerAddress = interfaces23.GetAddress(1);
 
        // Trace routing paths for different source and destinations.
        Ptr<OutputStreamWrapper> routingStream =
            Create<OutputStreamWrapper>("nix-simple-ipv4.routes", std::ios::out);
        nixRouting.PrintRoutingPathAt(Seconds(3),
                                      nodes.Get(0),
                                      interfaces23.GetAddress(1),
                                      routingStream);
        nixRouting.PrintRoutingPathAt(Seconds(5),
                                      nodes.Get(1),
                                      interfaces23.GetAddress(1),
                                      routingStream);
        nixRouting.PrintRoutingPathAt(Seconds(6),
                                      nodes.Get(2),
                                      interfaces01.GetAddress(0),
                                      routingStream);
        nixRouting.PrintRoutingPathAt(Seconds(7),
                                      nodes.Get(1),
                                      interfaces01.GetAddress(1),
                                      routingStream);
        // Trace routing tables
        Ipv4NixVectorHelper::PrintRoutingTableAllAt(Seconds(8), routingStream);
    }
    else
    {
        // NixHelper to install nix-vector routing
        // on all nodes
        Ipv6NixVectorHelper nixRouting;
        InternetStackHelper stack;
        stack.SetRoutingHelper(nixRouting); // has effect on the next Install ()
        stack.Install(nodes);
 
        Ipv6AddressHelper address1;
        address1.SetBase(Ipv6Address("2001:1::"), Ipv6Prefix(64));
        Ipv6AddressHelper address2;
        address2.SetBase(Ipv6Address("2001:2::"), Ipv6Prefix(64));
        Ipv6AddressHelper address3;
        address3.SetBase(Ipv6Address("2001:3::"), Ipv6Prefix(64));
        Ipv6AddressHelper address4;
        address4.SetBase(Ipv6Address("2001:4::"), Ipv6Prefix(64));
 
        Ipv6InterfaceContainer interfaces01 = address1.Assign(devices01);
        Ipv6InterfaceContainer interfaces12 = address2.Assign(devices12);
        Ipv6InterfaceContainer interfaces23 = address3.Assign(devices23);
        Ipv6InterfaceContainer interfaces02 = address4.Assign(devices02);
 
        udpServerAddress = interfaces23.GetAddress(1, 1);
 
        // Trace routing paths for different source and destinations.
        Ptr<OutputStreamWrapper> routingStream =
            Create<OutputStreamWrapper>("nix-simple-ipv6.routes", std::ios::out);
        nixRouting.PrintRoutingPathAt(Seconds(3),
                                      nodes.Get(0),
                                      interfaces23.GetAddress(1, 1),
                                      routingStream);
        nixRouting.PrintRoutingPathAt(Seconds(5),
                                      nodes.Get(1),
                                      interfaces23.GetAddress(1, 1),
                                      routingStream);
        nixRouting.PrintRoutingPathAt(Seconds(6),
                                      nodes.Get(2),
                                      interfaces01.GetAddress(0, 1),
                                      routingStream);
        nixRouting.PrintRoutingPathAt(Seconds(7),
                                      nodes.Get(1),
                                      interfaces01.GetAddress(1, 1),
                                      routingStream);
        // Trace routing tables
        Ipv6NixVectorHelper::PrintRoutingTableAllAt(Seconds(8), routingStream);
    }
 
    UdpEchoServerHelper echoServer(9);
 
    ApplicationContainer serverApps = echoServer.Install(nodes.Get(3));
    serverApps.Start(Seconds(1.0));
    serverApps.Stop(Seconds(10.0));
 
    UdpEchoClientHelper echoClient(udpServerAddress, 9);
    echoClient.SetAttribute("MaxPackets", UintegerValue(1));
    echoClient.SetAttribute("Interval", TimeValue(Seconds(1.)));
    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;
}