--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/error-model/simple-error-model.cc Tue Oct 06 19:34:29 2009 -0700
@@ -0,0 +1,178 @@
+/* -*- 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
+ *
+ * ns-2 simple.tcl script (ported from ns-2)
+ * Originally authored by Steve McCanne, 12/19/1996
+ */
+
+// Port of ns-2/tcl/ex/simple.tcl to ns-3
+//
+// Network topology
+//
+// n0
+// \ 5 Mb/s, 2ms
+// \ 1.5Mb/s, 10ms
+// n2 -------------------------n3
+// /
+// / 5 Mb/s, 2ms
+// n1
+//
+// - all links are point-to-point links with indicated one-way BW/delay
+// - CBR/UDP flows from n0 to n3, and from n3 to n1
+// - FTP/TCP flow from n0 to n3, starting at time 1.2 to time 1.35 sec.
+// - 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
+// "simple-error-model.tr"
+
+#include <fstream>
+#include "ns3/core-module.h"
+#include "ns3/common-module.h"
+#include "ns3/simulator-module.h"
+#include "ns3/node-module.h"
+#include "ns3/helper-module.h"
+
+using namespace ns3;
+
+NS_LOG_COMPONENT_DEFINE ("SimpleErrorModelExample");
+
+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 ("SimplePointToPointExample", LOG_LEVEL_INFO);
+#endif
+
+
+ // Set a few attributes
+ Config::SetDefault ("ns3::RateErrorModel::ErrorRate", DoubleValue (0.01));
+ Config::SetDefault ("ns3::RateErrorModel::ErrorUnit", StringValue ("EU_PKT"));
+
+ Config::SetDefault ("ns3::OnOffApplication::PacketSize", UintegerValue (210));
+ Config::SetDefault ("ns3::OnOffApplication::DataRate", DataRateValue (DataRate ("448kb/s")));
+
+
+ // Allow the user to override any of the defaults and the above
+ // Bind()s at run-time, via command-line arguments
+ CommandLine cmd;
+ cmd.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.");
+ NodeContainer c;
+ c.Create (4);
+ NodeContainer n0n2 = NodeContainer (c.Get (0), c.Get (2));
+ NodeContainer n1n2 = NodeContainer (c.Get (1), c.Get (2));
+ NodeContainer n3n2 = NodeContainer (c.Get (3), c.Get (2));
+
+ InternetStackHelper internet;
+ internet.Install (c);
+
+ // We create the channels first without any IP addressing information
+ NS_LOG_INFO ("Create channels.");
+ PointToPointHelper p2p;
+ p2p.SetDeviceAttribute ("DataRate", DataRateValue (DataRate (5000000)));
+ p2p.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
+ NetDeviceContainer d0d2 = p2p.Install (n0n2);
+
+ NetDeviceContainer d1d2 = p2p.Install (n1n2);
+
+ p2p.SetDeviceAttribute ("DataRate", DataRateValue (DataRate (1500000)));
+ p2p.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (10)));
+ NetDeviceContainer d3d2 = p2p.Install (n3n2);
+
+ // Later, we add IP addresses.
+ NS_LOG_INFO ("Assign IP Addresses.");
+ Ipv4AddressHelper ipv4;
+ ipv4.SetBase ("10.1.1.0", "255.255.255.0");
+ ipv4.Assign (d0d2);
+
+ ipv4.SetBase ("10.1.2.0", "255.255.255.0");
+ Ipv4InterfaceContainer i1i2 = ipv4.Assign (d1d2);
+
+ ipv4.SetBase ("10.1.3.0", "255.255.255.0");
+ Ipv4InterfaceContainer i3i2 = ipv4.Assign (d3d2);
+
+ NS_LOG_INFO ("Use global routing.");
+ Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
+
+ // Create the OnOff application to send UDP datagrams of size
+ // 210 bytes at a rate of 448 Kb/s
+ NS_LOG_INFO ("Create Applications.");
+ uint16_t port = 9; // Discard port (RFC 863)
+
+ OnOffHelper onoff ("ns3::UdpSocketFactory",
+ Address (InetSocketAddress (i3i2.GetAddress (1), port)));
+ onoff.SetAttribute ("OnTime", RandomVariableValue (ConstantVariable(1)));
+ onoff.SetAttribute ("OffTime", RandomVariableValue (ConstantVariable(0)));
+
+ ApplicationContainer apps = onoff.Install (c.Get (0));
+ apps.Start(Seconds(1.0));
+ apps.Stop (Seconds(10.0));
+
+ // Create an optional packet sink to receive these packets
+ PacketSinkHelper sink ("ns3::UdpSocketFactory",
+ Address (InetSocketAddress (Ipv4Address::GetAny (), port)));
+ apps = sink.Install (c.Get (2));
+ apps.Start (Seconds (1.0));
+ apps.Stop (Seconds (10.0));
+
+ // Create a similar flow from n3 to n1, starting at time 1.1 seconds
+ onoff.SetAttribute ("Remote",
+ AddressValue (InetSocketAddress (i1i2.GetAddress (0), port)));
+ apps = onoff.Install (c.Get (3));
+ apps.Start(Seconds(1.1));
+ apps.Stop (Seconds(10.0));
+
+ // Create a packet sink to receive these packets
+ sink.SetAttribute ("Local",
+ AddressValue (InetSocketAddress (Ipv4Address::GetAny (), port)));
+ apps = sink.Install (c.Get (1));
+ apps.Start (Seconds (1.1));
+ apps.Stop (Seconds (10.0));
+
+ //
+ // Error model
+ //
+ // Create an ErrorModel based on the implementation (constructor)
+ // specified by the default classId
+ Ptr<RateErrorModel> em = CreateObjectWithAttributes<RateErrorModel> ("RanVar", RandomVariableValue (UniformVariable (0.0, 1.0)),
+ "ErrorRate", DoubleValue (0.001));
+ d3d2.Get (0)->SetAttribute ("ReceiveErrorModel", PointerValue (em));
+
+ // Now, let's use the ListErrorModel and explicitly force a loss
+ // of the packets with pkt-uids = 11 and 17 on node 2, device 0
+ std::list<uint32_t> sampleList;
+ sampleList.push_back (11);
+ sampleList.push_back (17);
+ // This time, we'll explicitly create the error model we want
+ Ptr<ListErrorModel> pem = CreateObject<ListErrorModel> ();
+ pem->SetList (sampleList);
+ d0d2.Get (1)->SetAttribute ("ReceiveErrorModel", PointerValue (pem));
+
+ std::ofstream ascii;
+ ascii.open ("simple-error-model.tr");
+ PointToPointHelper::EnablePcapAll ("simple-error-model");
+ PointToPointHelper::EnableAsciiAll (ascii);
+
+ NS_LOG_INFO ("Run Simulation.");
+ Simulator::Run ();
+ Simulator::Destroy ();
+ NS_LOG_INFO ("Done.");
+}