From defeb1445d2b2da4c9fdb4c40bf32795ac5398d5 Mon Sep 17 00:00:00 2001
From: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
Date: Wed, 1 Aug 2007 10:29:40 +0200
Subject: [PATCH] example code.

--HG--
rename : examples/csma-cd-one-subnet.cc => examples/csma-cd-packet-socket.cc
---
 examples/csma-cd-packet-socket.cc | 136 ++++++++++++++++++++++++++++++
 examples/wscript                  |   1 +
 2 files changed, 137 insertions(+)
 create mode 100644 examples/csma-cd-packet-socket.cc

diff --git a/examples/csma-cd-packet-socket.cc b/examples/csma-cd-packet-socket.cc
new file mode 100644
index 000000000..9f3cc1877
--- /dev/null
+++ b/examples/csma-cd-packet-socket.cc
@@ -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 ();
+}
diff --git a/examples/wscript b/examples/wscript
index e1b960ddc..f455a2c1b 100644
--- a/examples/wscript
+++ b/examples/wscript
@@ -11,4 +11,5 @@ def build(bld):
         
     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'])