/* -*- 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
*/
//
// Example of the sending of a datagram to a broadcast address
//
// Network topology
// ==============
// | |
// n0 n1 n2
// | |
// ==========
//
// n0 originates UDP broadcast to 255.255.255.255/discard port, which
// is replicated and received on both n1 and n2
#include <iostream>
#include <fstream>
#include <string>
#include <cassert>
#include "ns3/command-line.h"
#include "ns3/default-value.h"
#include "ns3/ptr.h"
#include "ns3/random-variable.h"
#include "ns3/log.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/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/inet-socket-address.h"
#include "ns3/ipv4.h"
#include "ns3/socket.h"
#include "ns3/ipv4-route.h"
#include "ns3/onoff-application.h"
#include "ns3/packet-sink.h"
using namespace ns3;
NS_LOG_COMPONENT_DEFINE ("CsmaBroadcastExample");
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 ("CsmaBroadcastExample", 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);
// Enable the below logging command to see the packets being received
LogComponentEnable("PacketSinkApplication", LOG_LEVEL_ALL);
#endif
// Set up some default values for the simulation. Use the Bind()
// Allow the user to override any of the defaults and the above
// Bind()s at run-time, via command-line arguments
CommandLine::Parse (argc, argv);
// Here, we will explicitly create four nodes. In more sophisticated
// topologies, we could configure a node factory.
NS_LOG_INFO ("Create nodes.");
Ptr<Node> n0 = CreateObject<InternetNode> ();
Ptr<Node> n1 = CreateObject<InternetNode> ();
Ptr<Node> n2 = CreateObject<InternetNode> ();
// We create the channels first without any IP addressing information
NS_LOG_INFO ("Create channels.");
Ptr<CsmaChannel> channel0 =
CsmaTopology::CreateCsmaChannel(
DataRate(5000000), MilliSeconds(2));
// We create the channels first without any IP addressing information
Ptr<CsmaChannel> channel1 =
CsmaTopology::CreateCsmaChannel(
DataRate(5000000), MilliSeconds(2));
NS_LOG_INFO ("Build Topology.");
uint32_t n0ifIndex0 = CsmaIpv4Topology::AddIpv4CsmaNetDevice (n0, channel0,
Mac48Address("10:54:23:54:0:50"));
uint32_t n0ifIndex1 = CsmaIpv4Topology::AddIpv4CsmaNetDevice (n0, channel1,
Mac48Address("10:54:23:54:0:51"));
uint32_t n1ifIndex = CsmaIpv4Topology::AddIpv4CsmaNetDevice (n1, channel0,
Mac48Address("10:54:23:54:23:51"));
uint32_t n2ifIndex = CsmaIpv4Topology::AddIpv4CsmaNetDevice (n2, channel1,
Mac48Address("10:54:23:54:23:52"));
// Later, we add IP addresses.
NS_LOG_INFO ("Assign IP Addresses.");
CsmaIpv4Topology::AddIpv4Address (
n0, n0ifIndex0, Ipv4Address("10.1.0.1"), Ipv4Mask("255.255.0.0"));
CsmaIpv4Topology::AddIpv4Address (
n1, n1ifIndex, Ipv4Address("10.1.0.2"), Ipv4Mask("255.255.0.0"));
CsmaIpv4Topology::AddIpv4Address (
n0, n0ifIndex1, Ipv4Address("192.168.1.1"), Ipv4Mask("255.255.255.0"));
CsmaIpv4Topology::AddIpv4Address (
n2, n2ifIndex, Ipv4Address("192.168.1.2"), Ipv4Mask("255.255.255.0"));
// RFC 863 discard port ("9") indicates packet should be thrown away
// by the system. We allow this silent discard to be overridden
// by the PacketSink application.
uint16_t port = 9;
// Create the OnOff application to send UDP datagrams of size
// 512 bytes (default) at a rate of 500 Kb/s (default) from n0
NS_LOG_INFO ("Create Applications.");
Ptr<OnOffApplication> ooff =
CreateObjectWith<OnOffApplication> (
"Node", n0,
"Remote", Address (InetSocketAddress ("255.255.255.255", port)),
"Protocol", TypeId::LookupByName ("Udp"),
"OnTime", ConstantVariable(1),
"OffTime", ConstantVariable(0));
n0->AddApplication (ooff);
// Start the application
ooff->Start(Seconds(1.0));
ooff->Stop (Seconds(10.0));
// Create an optional packet sink to receive these packets
Ptr<PacketSink> sink =
CreateObjectWith<PacketSink> (
"Node", n1,
"Local", Address (InetSocketAddress (Ipv4Address::GetAny (), port)),
"Protocol", TypeId::LookupByName ("Udp"));
n1->AddApplication (sink);
// Start the sink
sink->Start (Seconds (1.0));
sink->Stop (Seconds (10.0));
// Create an optional packet sink to receive these packets
sink = CreateObjectWith<PacketSink> (
"Node", n2,
"Local", Address (InetSocketAddress (Ipv4Address::GetAny (), port)),
"Protocol", TypeId::LookupByName ("Udp"));
n2->AddApplication (sink);
// Start the sink
sink->Start (Seconds (1.0));
sink->Stop (Seconds (10.0));
NS_LOG_INFO ("Configure Tracing.");
// Configure tracing of all enqueue, dequeue, and NetDevice receive events
// Trace output will be sent to the csma-broadcast.tr file
AsciiTrace asciitrace ("csma-broadcast.tr");
asciitrace.TraceAllNetDeviceRx ();
asciitrace.TraceAllQueues ();
// Also configure some tcpdump traces; each interface will be traced
// The output files will be named
// simple-point-to-point.pcap-<nodeId>-<interfaceId>
// and can be read by the "tcpdump -r" command (use "-tt" option to
// display timestamps correctly)
PcapTrace pcaptrace ("csma-broadcast.pcap");
pcaptrace.TraceAllIp ();
NS_LOG_INFO ("Run Simulation.");
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Done.");
}