/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* 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
*
*/
// This script exercises global routing code in a mixed point-to-point
// and csma/cd environment
//
// Network topology
//
// n0
// \ p-p
// \ (shared csma/cd)
// n2 -------------------------n3
// / | |
// / p-p n4 n5 ---------- n6
// n1 p-p
//
// - CBR/UDP flows from n0 to n6
// - Tracing of queues and packet receptions to file "mixed-global-routing.tr"
#include <iostream>
#include <fstream>
#include <string>
#include <cassert>
#include "ns3/log.h"
#include "ns3/command-line.h"
#include "ns3/ptr.h"
#include "ns3/random-variable.h"
#include "ns3/config.h"
#include "ns3/simulator.h"
#include "ns3/nstime.h"
#include "ns3/data-rate.h"
#include "ns3/ascii-trace.h"
#include "ns3/pcap-trace.h"
#include "ns3/internet-node.h"
#include "ns3/point-to-point-channel.h"
#include "ns3/point-to-point-net-device.h"
#include "ns3/csma-channel.h"
#include "ns3/csma-net-device.h"
#include "ns3/csma-topology.h"
#include "ns3/csma-ipv4-topology.h"
#include "ns3/mac48-address.h"
#include "ns3/ipv4-address.h"
#include "ns3/ipv4.h"
#include "ns3/socket.h"
#include "ns3/inet-socket-address.h"
#include "ns3/ipv4-route.h"
#include "ns3/point-to-point-topology.h"
#include "ns3/onoff-application.h"
#include "ns3/global-route-manager.h"
#include "ns3/uinteger.h"
using namespace ns3;
NS_LOG_COMPONENT_DEFINE ("MixedGlobalRoutingExample");
int
main (int argc, char *argv[])
{
// Users may find it convenient to turn on explicit debugging
// for selected modules; the below lines suggest how to do this
#if 0
LogComponentEnable ("MixedGlobalRoutingExample", LOG_LEVEL_INFO);
LogComponentEnable("Object", LOG_LEVEL_ALL);
LogComponentEnable("Queue", LOG_LEVEL_ALL);
LogComponentEnable("DropTailQueue", LOG_LEVEL_ALL);
LogComponentEnable("Channel", LOG_LEVEL_ALL);
LogComponentEnable("CsmaChannel", LOG_LEVEL_ALL);
LogComponentEnable("NetDevice", LOG_LEVEL_ALL);
LogComponentEnable("CsmaNetDevice", LOG_LEVEL_ALL);
LogComponentEnable("Ipv4L3Protocol", LOG_LEVEL_ALL);
LogComponentEnable("PacketSocket", LOG_LEVEL_ALL);
LogComponentEnable("Socket", LOG_LEVEL_ALL);
LogComponentEnable("UdpSocket", LOG_LEVEL_ALL);
LogComponentEnable("UdpL4Protocol", LOG_LEVEL_ALL);
LogComponentEnable("Ipv4L3Protocol", LOG_LEVEL_ALL);
LogComponentEnable("Ipv4StaticRouting", LOG_LEVEL_ALL);
LogComponentEnable("Ipv4Interface", LOG_LEVEL_ALL);
LogComponentEnable("ArpIpv4Interface", LOG_LEVEL_ALL);
LogComponentEnable("Ipv4LoopbackInterface", LOG_LEVEL_ALL);
LogComponentEnable("OnOffApplication", LOG_LEVEL_ALL);
LogComponentEnable("PacketSinkApplication", LOG_LEVEL_ALL);
LogComponentEnable("UdpEchoClientApplication", LOG_LEVEL_ALL);
LogComponentEnable("UdpEchoServerApplication", LOG_LEVEL_ALL);
#endif
// Set up some default values for the simulation. Use the Bind ()
Config::SetDefault ("OnOffApplication::PacketSize", Uinteger (210));
Config::SetDefault ("OnOffApplication::DataRate", DataRate ("448kb/s"));
// Allow the user to override any of the defaults and the above
// Bind ()s at run-time, via command-line arguments
CommandLine cmd;
cmd.Parse (argc, argv);
NS_LOG_INFO ("Create nodes.");
Ptr<Node> n0 = CreateObject<InternetNode> ();
Ptr<Node> n1 = CreateObject<InternetNode> ();
Ptr<Node> n2 = CreateObject<InternetNode> ();
Ptr<Node> n3 = CreateObject<InternetNode> ();
Ptr<Node> n4 = CreateObject<InternetNode> ();
Ptr<Node> n5 = CreateObject<InternetNode> ();
Ptr<Node> n6 = CreateObject<InternetNode> ();
// We create the channels first without any IP addressing information
NS_LOG_INFO ("Create channels.");
Ptr<PointToPointChannel> channel0 =
PointToPointTopology::AddPointToPointLink (
n0, n2, DataRate (5000000), MilliSeconds (2));
Ptr<PointToPointChannel> channel1 =
PointToPointTopology::AddPointToPointLink (
n1, n2, DataRate (5000000), MilliSeconds (2));
Ptr<PointToPointChannel> channel2 =
PointToPointTopology::AddPointToPointLink (
n5, n6, DataRate (1500000), MilliSeconds (10));
// We create the channels first without any IP addressing information
Ptr<CsmaChannel> channelc0 =
CsmaTopology::CreateCsmaChannel(
DataRate(5000000), MilliSeconds(2));
NS_LOG_INFO ("Build Topology.");
uint32_t n2ifIndex = CsmaIpv4Topology::AddIpv4CsmaNetDevice (n2, channelc0,
Mac48Address("10:54:23:54:23:50"));
uint32_t n3ifIndex = CsmaIpv4Topology::AddIpv4CsmaNetDevice (n3, channelc0,
Mac48Address("10:54:23:54:23:51"));
uint32_t n4ifIndex = CsmaIpv4Topology::AddIpv4CsmaNetDevice (n4, channelc0,
Mac48Address("10:54:23:54:23:52"));
uint32_t n5ifIndex = CsmaIpv4Topology::AddIpv4CsmaNetDevice (n5, channelc0,
Mac48Address("10:54:23:54:23:53"));
// Later, we add IP addresses.
NS_LOG_INFO ("Assign IP Addresses.");
PointToPointTopology::AddIpv4Addresses (
channel0, n0, Ipv4Address ("10.1.1.1"),
n2, Ipv4Address ("10.1.1.2"));
PointToPointTopology::AddIpv4Addresses (
channel1, n1, Ipv4Address ("10.1.2.1"),
n2, Ipv4Address ("10.1.2.2"));
PointToPointTopology::AddIpv4Addresses (
channel2, n5, Ipv4Address ("10.1.3.1"),
n6, Ipv4Address ("10.1.3.2"));
CsmaIpv4Topology::AddIpv4Address (
n2, n2ifIndex, Ipv4Address("10.250.1.1"), Ipv4Mask("255.255.255.0"));
CsmaIpv4Topology::AddIpv4Address (
n3, n3ifIndex, Ipv4Address("10.250.1.2"), Ipv4Mask("255.255.255.0"));
CsmaIpv4Topology::AddIpv4Address (
n4, n4ifIndex, Ipv4Address("10.250.1.3"), Ipv4Mask("255.255.255.0"));
CsmaIpv4Topology::AddIpv4Address (
n5, n5ifIndex, Ipv4Address("10.250.1.4"), Ipv4Mask("255.255.255.0"));
// Create router nodes, initialize routing database and set up the routing
// tables in the nodes.
GlobalRouteManager::PopulateRoutingTables ();
// Create the OnOff application to send UDP datagrams of size
// 210 bytes at a rate of 448 Kb/s
NS_LOG_INFO ("Create Applications.");
uint16_t port = 9; // Discard port (RFC 863)
Ptr<OnOffApplication> ooff =
CreateObjectWith<OnOffApplication> (
"Node", n0,
"Remote", Address (InetSocketAddress ("10.1.3.2", port)),
"Protocol", TypeId::LookupByName ("Udp"),
"OnTime", ConstantVariable (1),
"OffTime", ConstantVariable (0),
"DataRate", DataRate("300bps"),
"PacketSize", Uinteger (50));
n0->AddApplication (ooff);
// Start the application
ooff->Start (Seconds (1.0));
ooff->Stop (Seconds (10.0));
// Configure tracing of all enqueue, dequeue, and NetDevice receive events
// Trace output will be sent to the simple-global-routing.tr file
NS_LOG_INFO ("Configure Tracing.");
AsciiTrace asciitrace ("mixed-global-routing.tr");
asciitrace.TraceAllQueues ();
asciitrace.TraceAllNetDeviceRx ();
// Also configure some tcpdump traces; each interface will be traced
// The output files will be named simple-p2p.pcap-<nodeId>-<interfaceId>
// and can be read by the "tcpdump -r" command (use "-tt" option to
// display timestamps correctly)
PcapTrace pcaptrace ("mixed-global-routing.pcap");
pcaptrace.TraceAllIp ();
NS_LOG_INFO ("Run Simulation.");
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Done.");
}