example code.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/csma-cd-packet-socket.cc Wed Aug 01 10:29:40 2007 +0200
@@ -0,0 +1,136 @@
+/* -*- 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/eui48-address.h"
+#include "ns3/packet-socket-address.h"
+#include "ns3/socket.h"
+#include "ns3/onoff-application.h"
+#include "ns3/queue.h"
+
+using namespace ns3;
+
+static Ptr<CsmaCdNetDevice>
+CreateCsmaCdDevice (Ptr<Node> node, Ptr<CsmaCdChannel> channel)
+{
+ Ptr<CsmaCdNetDevice> device = Create<CsmaCdNetDevice> (node);
+ device->Attach (channel);
+ Ptr<Queue> queue = Queue::CreateDefault ();
+ device->AddQueue (queue);
+ return device;
+}
+
+
+int main (int argc, char *argv[])
+{
+ 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<Node> ();
+ Ptr<Node> n1 = Create<Node> ();
+ Ptr<Node> n2 = Create<Node> ();
+ Ptr<Node> n3 = Create<Node> ();
+
+ // create the shared medium used by all csma/cd devices.
+ Ptr<CsmaCdChannel> channel = Create<CsmaCdChannel> (DataRate(5000000), MilliSeconds(2));
+
+ // use a helper function to connect our nodes to the shared channel.
+ Ptr<NetDevice> n0If = CreateCsmaCdDevice (n0, channel);
+ Ptr<NetDevice> n1If = CreateCsmaCdDevice (n1, channel);
+ Ptr<NetDevice> n2If = CreateCsmaCdDevice (n2, channel);
+ Ptr<NetDevice> n3If = CreateCsmaCdDevice (n3, channel);
+
+
+ // create the address which identifies n1 from n0
+ PacketSocketAddress n0ToN1;
+ n0ToN1.SetDevice (n0If->GetIfIndex ()); // set outgoing interface for outgoing packets
+ n0ToN1.SetPhysicalAddress (n1If->GetAddress ()); // set destination address for outgoing packets
+ n0ToN1.SetProtocol (2); // set arbitrary protocol for outgoing packets
+
+ // create the address which identifies n0 from n3
+ PacketSocketAddress n3ToN0;
+ n3ToN0.SetDevice (n3If->GetIfIndex ());
+ n3ToN0.SetPhysicalAddress (n0If->GetAddress ());
+ n3ToN0.SetProtocol (3);
+
+ // Create the OnOff application to send raw datagrams of size
+ // 210 bytes at a rate of 448 Kb/s
+ // from n0 to n1
+ Ptr<OnOffApplication> ooff = Create<OnOffApplication> (
+ n0,
+ n0ToN1.ConvertTo (),
+ "Packet",
+ 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,
+ n3ToN0.ConvertTo (),
+ "Packet",
+ 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-packet-socket.tr file
+ AsciiTrace asciitrace ("csma-cd-packet-socket.tr");
+ asciitrace.TraceAllNetDeviceRx ();
+ asciitrace.TraceAllQueues ();
+
+ Simulator::Run ();
+
+ Simulator::Destroy ();
+}
--- a/examples/wscript Wed Aug 01 10:29:22 2007 +0200
+++ b/examples/wscript Wed Aug 01 10:29:40 2007 +0200
@@ -11,4 +11,5 @@
obj = create_ns_prog('simple-point-to-point', 'simple-point-to-point.cc', deps=['point-to-point', 'internet-node'])
obj = create_ns_prog('csma-cd-one-subnet', 'csma-cd-one-subnet.cc', deps=['csma-cd', 'internet-node'])
+ obj = create_ns_prog('csma-cd-packet-socket', 'csma-cd-packet-socket.cc', deps=['csma-cd', 'internet-node'])