csma-duplex.cc

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/*
 * Copyright (c) 2017 Luciano Jerez Chaves
 *
 * 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
 *
 * Author: Luciano Jerez Chaves <ljerezchaves@gmail.com>
 */
 
#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"
 
using namespace ns3;
 
int
main(int argc, char* argv[])
{
    bool verbose = false;
    bool trace = false;
 
    CommandLine cmd;
    cmd.AddValue("verbose", "Tell application to log if true", verbose);
    cmd.AddValue("trace", "Tracing traffic to files", trace);
    cmd.AddValue("duplex", "ns3::CsmaChannel::FullDuplex");
    cmd.Parse(argc, argv);
 
    if (verbose)
    {
        LogComponentEnable("CsmaNetDevice", LOG_LEVEL_ALL);
        LogComponentEnable("CsmaChannel", LOG_LEVEL_ALL);
        LogComponentEnable("Backoff", LOG_LEVEL_ALL);
    }
 
    // Create the host nodes
    NodeContainer hosts;
    hosts.Create(2);
 
    // Connecting the hosts
    CsmaHelper csmaHelper;
    csmaHelper.SetChannelAttribute("DataRate", DataRateValue(DataRate("100Mbps")));
    csmaHelper.SetChannelAttribute("Delay", TimeValue(MilliSeconds(1)));
    NetDeviceContainer hostDevices = csmaHelper.Install(hosts);
 
    // Enable pcap traces
    if (trace)
    {
        csmaHelper.EnablePcap("csma-duplex", hostDevices);
    }
 
    // Installing the tcp/ip stack into hosts
    InternetStackHelper internet;
    internet.Install(hosts);
 
    // Set IPv4 host address
    Ipv4AddressHelper ipv4switches;
    Ipv4InterfaceContainer internetIpIfaces;
    ipv4switches.SetBase("10.1.1.0", "255.255.255.0");
    internetIpIfaces = ipv4switches.Assign(hostDevices);
    Ipv4Address h0Addr = internetIpIfaces.GetAddress(0);
    Ipv4Address h1Addr = internetIpIfaces.GetAddress(1);
 
    ApplicationContainer senderApps;
    ApplicationContainer sinkApps;
 
    // TCP traffic from host 0 to 1
    BulkSendHelper sender0("ns3::TcpSocketFactory", InetSocketAddress(h1Addr, 10000));
    PacketSinkHelper sink1("ns3::TcpSocketFactory", InetSocketAddress(Ipv4Address::GetAny(), 10000));
    senderApps.Add(sender0.Install(hosts.Get(0)));
    sinkApps.Add(sink1.Install(hosts.Get(1)));
 
    // TCP traffic from host 1 to 0
    BulkSendHelper sender1("ns3::TcpSocketFactory", InetSocketAddress(h0Addr, 10001));
    PacketSinkHelper sink0("ns3::TcpSocketFactory", InetSocketAddress(Ipv4Address::GetAny(), 10001));
    senderApps.Add(sender1.Install(hosts.Get(1)));
    sinkApps.Add(sink0.Install(hosts.Get(0)));
 
    sinkApps.Start(Seconds(0));
    senderApps.Start(Seconds(0.01));
    senderApps.Stop(Seconds(5));
 
    // Run the simulation
    Simulator::Run();
    Simulator::Destroy();
 
    // Transmitted bytes
    Ptr<PacketSink> pktSink0 = DynamicCast<PacketSink>(sinkApps.Get(1));
    Ptr<PacketSink> pktSink1 = DynamicCast<PacketSink>(sinkApps.Get(0));
    std::cout << "Total bytes sent from H0 to H1: " << pktSink1->GetTotalRx() << std::endl;
    std::cout << "Total bytes sent from H1 to H0: " << pktSink0->GetTotalRx() << std::endl;
}