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This commit is contained in:
Craig Dowell
2007-08-09 15:58:13 -07:00
parent aaa8a45658
commit 250109b215
1 changed files with 0 additions and 166 deletions
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examples/csma-cd-one-subnet.cc
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/* -*- 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
*/
// Port of ns-2/tcl/ex/simple.tcl to ns-3
//
// Network topology
//
// n0 n1 n2 n3
// | | | |
// =====================
//
// - CBR/UDP flows from n0 to n1, and from n3 to n0
// - UDP packet size of 210 bytes, with per-packet interval 0.00375 sec.
// (i.e., DataRate of 448,000 bps)
// - DropTail queues
// - Tracing of queues and packet receptions to file "csma-cd-one-subnet.tr"
#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/debug.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-cd-channel.h"
#include "ns3/csma-cd-net-device.h"
#include "ns3/csma-cd-topology.h"
#include "ns3/csma-cd-ipv4-topology.h"
#include "ns3/eui48-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"
using namespace ns3;
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
DebugComponentEnable("CsmaCdNetDevice");
DebugComponentEnable("Ipv4L3Protocol");
DebugComponentEnable("NetDevice");
DebugComponentEnable("Channel");
DebugComponentEnable("CsmaCdChannel");
DebugComponentEnable("PacketSocket");
#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.
Ptr<Node> n0 = Create<InternetNode> ();
Ptr<Node> n1 = Create<InternetNode> ();
Ptr<Node> n2 = Create<InternetNode> ();
Ptr<Node> n3 = Create<InternetNode> ();
// We create the channels first without any IP addressing information
Ptr<CsmaCdChannel> channel0 =
CsmaCdTopology::CreateCsmaCdChannel(
DataRate(5000000), MilliSeconds(2));
uint32_t n0ifIndex = CsmaCdIpv4Topology::AddIpv4CsmaCdNode (n0, channel0,
Eui48Address("10:54:23:54:23:50"));
uint32_t n1ifIndex = CsmaCdIpv4Topology::AddIpv4CsmaCdNode (n1, channel0,
Eui48Address("10:54:23:54:23:51"));
uint32_t n2ifIndex = CsmaCdIpv4Topology::AddIpv4CsmaCdNode (n2, channel0,
Eui48Address("10:54:23:54:23:52"));
uint32_t n3ifIndex = CsmaCdIpv4Topology::AddIpv4CsmaCdNode (n3, channel0,
Eui48Address("10:54:23:54:23:53"));
// Later, we add IP addresses.
CsmaCdIpv4Topology::AddIpv4Address (
n0, n0ifIndex, Ipv4Address("10.1.1.1"), Ipv4Mask("255.255.255.0"));
CsmaCdIpv4Topology::AddIpv4Address (
n1, n1ifIndex, Ipv4Address("10.1.1.2"), Ipv4Mask("255.255.255.0"));
CsmaCdIpv4Topology::AddIpv4Address (
n2, n2ifIndex, Ipv4Address("10.1.1.3"), Ipv4Mask("255.255.255.0"));
CsmaCdIpv4Topology::AddIpv4Address (
n3, n3ifIndex, Ipv4Address("10.1.1.4"), Ipv4Mask("255.255.255.0"));
// Create the OnOff application to send UDP datagrams of size
// 210 bytes at a rate of 448 Kb/s
// from n0 to n1
Ptr<OnOffApplication> ooff = Create<OnOffApplication> (
n0,
InetSocketAddress ("10.1.1.2", 80),
"Udp",
ConstantVariable(1),
ConstantVariable(0));
// Start the application
ooff->Start(Seconds(1.0));
ooff->Stop (Seconds(10.0));
// Create a similar flow from n3 to n0, starting at time 1.1 seconds
ooff = Create<OnOffApplication> (
n3,
InetSocketAddress ("10.1.1.1", 80),
"Udp",
ConstantVariable(1),
ConstantVariable(0));
// Start the application
ooff->Start(Seconds(1.1));
ooff->Stop (Seconds(10.0));
// Configure tracing of all enqueue, dequeue, and NetDevice receive events
// Trace output will be sent to the csma-cd-one-subnet.tr file
AsciiTrace asciitrace ("csma-cd-one-subnet.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-cd-one-subnet.pcap");
pcaptrace.TraceAllIp ();
Simulator::Run ();
Simulator::Destroy ();
}