258 lines
9.5 KiB
C++
258 lines
9.5 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
|
|
/*
|
|
* Copyright (c) 2019 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
|
|
*
|
|
* Author: Shefali Gupta <shefaligups11@ogmail.com>
|
|
* Jendaipou Palmei <jendaipoupalmei@gmail.com>
|
|
* Mohit P. Tahiliani <tahiliani@nitk.edu.in>
|
|
*/
|
|
|
|
#include "ns3/core-module.h"
|
|
#include "ns3/network-module.h"
|
|
#include "ns3/point-to-point-module.h"
|
|
#include "ns3/applications-module.h"
|
|
#include <fstream>
|
|
#include "ns3/ipv6-static-routing-helper.h"
|
|
#include "ns3/ipv6-routing-table-entry.h"
|
|
#include "ns3/internet-module.h"
|
|
#include "ns3/tcp-header.h"
|
|
#include "ns3/traffic-control-module.h"
|
|
#include <string>
|
|
|
|
// Dumbbell topology with 7 senders and 1 receiver
|
|
// is used for this example. On successful completion,
|
|
// the Congestion window and Queue size traces get stored
|
|
// in MixTraffic/ directory, inside cwndTraces and
|
|
// queueTraces sub-directories, respectively.
|
|
|
|
using namespace ns3;
|
|
|
|
std::string dir = "MixTraffic/";
|
|
|
|
void
|
|
CheckQueueSize (Ptr<QueueDisc> queue,std::string queue_disc_type)
|
|
{
|
|
double qSize = queue->GetCurrentSize ().GetValue ();
|
|
// check queue size every 1/10 of a second
|
|
Simulator::Schedule (Seconds (0.1), &CheckQueueSize, queue, queue_disc_type);
|
|
|
|
std::ofstream fPlotQueue (dir + queue_disc_type + "/queueTraces/queue.plotme", std::ios::out | std::ios::app);
|
|
fPlotQueue << Simulator::Now ().GetSeconds () << " " << qSize << std::endl;
|
|
fPlotQueue.close ();
|
|
}
|
|
|
|
static void
|
|
CwndTrace (Ptr<OutputStreamWrapper> stream, uint32_t oldCwnd, uint32_t newCwnd)
|
|
{
|
|
*stream->GetStream () << Simulator::Now ().GetSeconds () << " " << newCwnd / 1446.0 << std::endl;
|
|
}
|
|
|
|
static void
|
|
TraceCwnd (std::string queue_disc_type)
|
|
{
|
|
for (uint8_t i = 0; i < 5; i++)
|
|
{
|
|
AsciiTraceHelper asciiTraceHelper;
|
|
Ptr<OutputStreamWrapper> stream = asciiTraceHelper.CreateFileStream (dir + queue_disc_type + "/cwndTraces/S1-" + std::to_string (i + 1) + ".plotme");
|
|
Config::ConnectWithoutContext ("/NodeList/" + std::to_string (i) + "/$ns3::TcpL4Protocol/SocketList/0/CongestionWindow", MakeBoundCallback (&CwndTrace,stream));
|
|
}
|
|
}
|
|
|
|
void experiment (std::string queue_disc_type)
|
|
{
|
|
// Set the simulation stop time in seconds
|
|
double stopTime = 101;
|
|
std::string queue_disc = std::string ("ns3::") + queue_disc_type;
|
|
|
|
std::string bottleneckBandwidth = "10Mbps";
|
|
std::string bottleneckDelay = "50ms";
|
|
|
|
std::string accessBandwidth = "10Mbps";
|
|
std::string accessDelay = "5ms";
|
|
|
|
// Create sender
|
|
NodeContainer tcpSender;
|
|
tcpSender.Create (5);
|
|
|
|
NodeContainer udpSender;
|
|
udpSender.Create (2);
|
|
|
|
// Create gateway
|
|
NodeContainer gateway;
|
|
gateway.Create (2);
|
|
|
|
// Create sink
|
|
NodeContainer sink;
|
|
sink.Create (1);
|
|
|
|
Config::SetDefault ("ns3::TcpSocket::SndBufSize", UintegerValue (1 << 20));
|
|
Config::SetDefault ("ns3::TcpSocket::RcvBufSize", UintegerValue (1 << 20));
|
|
Config::SetDefault ("ns3::TcpSocket::DelAckTimeout", TimeValue (Seconds (0)));
|
|
Config::SetDefault ("ns3::TcpSocket::InitialCwnd", UintegerValue (1));
|
|
Config::SetDefault ("ns3::TcpSocketBase::LimitedTransmit", BooleanValue (false));
|
|
Config::SetDefault ("ns3::TcpSocket::SegmentSize", UintegerValue (1446));
|
|
Config::SetDefault ("ns3::TcpSocketBase::WindowScaling", BooleanValue (true));
|
|
Config::SetDefault (queue_disc + "::MaxSize", QueueSizeValue (QueueSize ("200p")));
|
|
|
|
InternetStackHelper internet;
|
|
internet.InstallAll ();
|
|
|
|
TrafficControlHelper tchPfifo;
|
|
uint16_t handle = tchPfifo.SetRootQueueDisc ("ns3::PfifoFastQueueDisc");
|
|
tchPfifo.AddInternalQueues (handle, 3, "ns3::DropTailQueue", "MaxSize", StringValue ("1000p"));
|
|
|
|
TrafficControlHelper tch;
|
|
tch.SetRootQueueDisc (queue_disc);
|
|
|
|
PointToPointHelper accessLink;
|
|
accessLink.SetDeviceAttribute ("DataRate", StringValue (accessBandwidth));
|
|
accessLink.SetChannelAttribute ("Delay", StringValue (accessDelay));
|
|
|
|
// Configure the senders and sinks net devices
|
|
// and the channels between the senders/sinks and the gateways
|
|
NetDeviceContainer devices [5];
|
|
for (uint8_t i = 0; i < 5; i++)
|
|
{
|
|
devices [i] = accessLink.Install (tcpSender.Get (i), gateway.Get (0));
|
|
tchPfifo.Install (devices [i]);
|
|
}
|
|
|
|
NetDeviceContainer devices_sink;
|
|
devices_sink = accessLink.Install (gateway.Get (1), sink.Get (0));
|
|
tchPfifo.Install (devices_sink);
|
|
|
|
PointToPointHelper bottleneckLink;
|
|
bottleneckLink.SetDeviceAttribute ("DataRate", StringValue (bottleneckBandwidth));
|
|
bottleneckLink.SetChannelAttribute ("Delay", StringValue (bottleneckDelay));
|
|
|
|
NetDeviceContainer devices_gateway;
|
|
devices_gateway = bottleneckLink.Install (gateway.Get (0), gateway.Get (1));
|
|
// Install QueueDisc at gateway
|
|
QueueDiscContainer queueDiscs = tch.Install (devices_gateway);
|
|
|
|
Ipv4AddressHelper address;
|
|
address.SetBase ("10.0.0.0", "255.255.255.0");
|
|
|
|
Ipv4InterfaceContainer interfaces [5];
|
|
Ipv4InterfaceContainer interfaces_sink;
|
|
Ipv4InterfaceContainer interfaces_gateway;
|
|
Ipv4InterfaceContainer udpinterfaces [2];
|
|
|
|
NetDeviceContainer udpdevices [2];
|
|
|
|
for (uint8_t i = 0; i < 5; i++)
|
|
{
|
|
address.NewNetwork ();
|
|
interfaces [i] = address.Assign (devices [i]);
|
|
}
|
|
|
|
for (uint8_t i = 0; i < 2; i++)
|
|
{
|
|
udpdevices [i] = accessLink.Install (udpSender.Get (i), gateway.Get (0));
|
|
address.NewNetwork ();
|
|
udpinterfaces [i] = address.Assign (udpdevices [i]);
|
|
}
|
|
|
|
address.NewNetwork ();
|
|
interfaces_gateway = address.Assign (devices_gateway);
|
|
|
|
address.NewNetwork ();
|
|
interfaces_sink = address.Assign (devices_sink);
|
|
|
|
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
|
|
|
|
uint16_t port = 50000;
|
|
uint16_t port1 = 50001;
|
|
Address sinkLocalAddress (InetSocketAddress (Ipv4Address::GetAny (), port));
|
|
Address sinkLocalAddress1 (InetSocketAddress (Ipv4Address::GetAny (), port1));
|
|
PacketSinkHelper sinkHelper ("ns3::TcpSocketFactory", sinkLocalAddress);
|
|
PacketSinkHelper sinkHelper1 ("ns3::UdpSocketFactory", sinkLocalAddress1);
|
|
|
|
AddressValue remoteAddress (InetSocketAddress (interfaces_sink.GetAddress (1), port));
|
|
AddressValue remoteAddress1 (InetSocketAddress (interfaces_sink.GetAddress (1), port1));
|
|
|
|
BulkSendHelper ftp ("ns3::TcpSocketFactory", Address ());
|
|
ftp.SetAttribute ("Remote", remoteAddress);
|
|
ftp.SetAttribute ("SendSize", UintegerValue (1000));
|
|
|
|
ApplicationContainer sourceApp = ftp.Install (tcpSender);
|
|
sourceApp.Start (Seconds (0));
|
|
sourceApp.Stop (Seconds (stopTime - 1));
|
|
|
|
sinkHelper.SetAttribute ("Protocol", TypeIdValue (TcpSocketFactory::GetTypeId ()));
|
|
ApplicationContainer sinkApp = sinkHelper.Install (sink);
|
|
sinkApp.Start (Seconds (0));
|
|
sinkApp.Stop (Seconds (stopTime));
|
|
|
|
OnOffHelper clientHelper6 ("ns3::UdpSocketFactory", Address ());
|
|
clientHelper6.SetAttribute ("OnTime", StringValue ("ns3::ConstantRandomVariable[Constant=1]"));
|
|
clientHelper6.SetAttribute ("OffTime", StringValue ("ns3::ConstantRandomVariable[Constant=0]"));
|
|
clientHelper6.SetAttribute ("DataRate", DataRateValue (DataRate ("10Mb/s")));
|
|
clientHelper6.SetAttribute ("PacketSize", UintegerValue (1000));
|
|
|
|
ApplicationContainer clientApps6;
|
|
clientHelper6.SetAttribute ("Remote", remoteAddress1);
|
|
clientApps6.Add (clientHelper6.Install (udpSender.Get (0)));
|
|
clientApps6.Start (Seconds (0));
|
|
clientApps6.Stop (Seconds (stopTime - 1));
|
|
|
|
OnOffHelper clientHelper7 ("ns3::UdpSocketFactory", Address ());
|
|
clientHelper7.SetAttribute ("OnTime", StringValue ("ns3::ConstantRandomVariable[Constant=1]"));
|
|
clientHelper7.SetAttribute ("OffTime", StringValue ("ns3::ConstantRandomVariable[Constant=0]"));
|
|
clientHelper7.SetAttribute ("DataRate", DataRateValue (DataRate ("10Mb/s")));
|
|
clientHelper7.SetAttribute ("PacketSize", UintegerValue (1000));
|
|
|
|
ApplicationContainer clientApps7;
|
|
clientHelper7.SetAttribute ("Remote", remoteAddress1);
|
|
clientApps7.Add (clientHelper7.Install (udpSender.Get (1)));
|
|
clientApps7.Start (Seconds (0));
|
|
clientApps7.Stop (Seconds (stopTime - 1));
|
|
|
|
sinkHelper1.SetAttribute ("Protocol", TypeIdValue (UdpSocketFactory::GetTypeId ()));
|
|
ApplicationContainer sinkApp1 = sinkHelper1.Install (sink);
|
|
sinkApp1.Start (Seconds (0));
|
|
sinkApp1.Stop (Seconds (stopTime));
|
|
|
|
Ptr<QueueDisc> queue = queueDiscs.Get (0);
|
|
Simulator::ScheduleNow (&CheckQueueSize, queue,queue_disc_type);
|
|
|
|
std::string dirToSave = "mkdir -p " + dir + queue_disc_type;
|
|
if (system ((dirToSave + "/cwndTraces/").c_str ()) == -1
|
|
|| system ((dirToSave + "/queueTraces/").c_str ()) == -1)
|
|
{
|
|
exit (1);
|
|
}
|
|
|
|
Simulator::Schedule (Seconds (0.1), &TraceCwnd,queue_disc_type);
|
|
|
|
Simulator::Stop (Seconds (stopTime));
|
|
Simulator::Run ();
|
|
Simulator::Destroy ();
|
|
}
|
|
|
|
int main (int argc, char **argv)
|
|
{
|
|
std::cout << "Simulation with COBALT QueueDisc: Start\n" << std::flush;
|
|
experiment ("CobaltQueueDisc");
|
|
std::cout << "Simulation with COBALT QueueDisc: End\n" << std::flush;
|
|
std::cout << "------------------------------------------------\n";
|
|
std::cout << "Simulation with CoDel QueueDisc: Start\n";
|
|
experiment ("CoDelQueueDisc");
|
|
std::cout << "Simulation with CoDel QueueDisc: End\n";
|
|
|
|
return 0;
|
|
}
|