205 lines
7.3 KiB
C++
205 lines
7.3 KiB
C++
/* -*- 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()
|
|
// technique to tell the system what subclass of Queue to use,
|
|
// and what the queue limit is
|
|
|
|
// The below Bind command tells the queue factory which class to
|
|
// instantiate, when the queue factory is invoked in the topology code
|
|
DefaultValue::Bind ("Queue", "DropTailQueue");
|
|
|
|
// 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 = Create<InternetNode> ();
|
|
Ptr<Node> n1 = Create<InternetNode> ();
|
|
Ptr<Node> n2 = Create<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 = Create<OnOffApplication> (
|
|
n0,
|
|
InetSocketAddress ("255.255.255.255", port),
|
|
"Udp",
|
|
ConstantVariable(1),
|
|
ConstantVariable(0));
|
|
// 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 = Create<PacketSink> (
|
|
n1,
|
|
InetSocketAddress (Ipv4Address::GetAny (), port),
|
|
"Udp");
|
|
// Start the sink
|
|
sink->Start (Seconds (1.0));
|
|
sink->Stop (Seconds (10.0));
|
|
|
|
// Create an optional packet sink to receive these packets
|
|
sink = Create<PacketSink> (
|
|
n2,
|
|
InetSocketAddress (Ipv4Address::GetAny (), port),
|
|
"Udp");
|
|
// 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.");
|
|
}
|