--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/tcp-star-server.cc Wed Jul 02 15:45:35 2008 -0400
@@ -0,0 +1,172 @@
+/* -*- 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
+ *
+ */
+
+
+// Default Network topology, 9 nodes in a star
+/*
+ n2 n3 n4
+ \ | /
+ \|/
+ n1---n0---n5
+ /|\
+ / | \
+ n8 n7 n6
+*/
+// - CBR Traffic goes from the star "arms" to the "hub"
+// - Tracing of queues and packet receptions to file
+// "tcp-star-server.tr"
+// - pcap traces also generated in the following files
+// "tcp-star-server-$n-$i.pcap" where n and i represent node and interface
+// numbers respectively
+// Usage examples for things you might want to tweak:
+// ./waf --run="tcp-star-server"
+// ./waf --run="tcp-star-server --nNodes=25"
+// ./waf --run="tcp-star-server --ns3::OnOffApplication::DataRate=10000"
+// ./waf --run="tcp-star-server --ns3::OnOffApplication::PacketSize=500"
+// See the ns-3 tutorial for more info on the command line:
+// http://www.nsnam.org/tutorials.html
+
+
+
+
+#include <iostream>
+#include <fstream>
+#include <string>
+#include <cassert>
+
+#include "ns3/core-module.h"
+#include "ns3/simulator-module.h"
+#include "ns3/node-module.h"
+#include "ns3/helper-module.h"
+#include "ns3/global-route-manager.h"
+
+using namespace ns3;
+
+NS_LOG_COMPONENT_DEFINE ("TcpServer");
+
+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
+
+ //LogComponentEnable ("TcpServer", LOG_LEVEL_INFO);
+ //LogComponentEnable ("TcpL4Protocol", LOG_LEVEL_ALL);
+ //LogComponentEnable ("TcpSocketImpl", LOG_LEVEL_ALL);
+ //LogComponentEnable ("PacketSink", LOG_LEVEL_ALL);
+ //
+ // Make the random number generators generate reproducible results.
+ //
+ RandomVariable::UseGlobalSeed (1, 1, 2, 3, 5, 8);
+
+ // Set up some default values for the simulation.
+ Config::SetDefault ("ns3::OnOffApplication::PacketSize", UintegerValue (250));
+ Config::SetDefault ("ns3::OnOffApplication::DataRate", StringValue ("5kb/s"));
+ uint32_t N = 9; //number of nodes in the star
+
+ // Allow the user to override any of the defaults and the above
+ // Config::SetDefault()s at run-time, via command-line arguments
+ CommandLine cmd;
+ cmd.AddValue("nNodes", "Number of nodes to place in the star", N);
+ cmd.Parse (argc, argv);
+
+ // Here, we will create N nodes in a star.
+ NS_LOG_INFO ("Create nodes.");
+ NodeContainer serverNode;
+ NodeContainer clientNodes;
+ serverNode.Create(1);
+ clientNodes.Create(N-1);
+ NodeContainer allNodes = NodeContainer(serverNode, clientNodes);
+
+ // Install network stacks on the nodes
+ InternetStackHelper internet;
+ internet.Install (allNodes);
+
+ //Collect an adjacency list of nodes for the p2p topology
+ std::vector<NodeContainer> nodeAdjacencyList(N-1);
+ for(uint32_t i=0; i<nodeAdjacencyList.size(); ++i)
+ {
+ nodeAdjacencyList[i] = NodeContainer (serverNode, clientNodes.Get (i));
+ }
+
+ // We create the channels first without any IP addressing information
+ NS_LOG_INFO ("Create channels.");
+ PointToPointHelper p2p;
+ p2p.SetDeviceParameter ("DataRate", StringValue ("5Mbps"));
+ p2p.SetChannelParameter ("Delay", StringValue ("2ms"));
+ std::vector<NetDeviceContainer> deviceAdjacencyList(N-1);
+ for(uint32_t i=0; i<deviceAdjacencyList.size(); ++i)
+ {
+ deviceAdjacencyList[i] = p2p.Install (nodeAdjacencyList[i]);
+ }
+
+ // Later, we add IP addresses.
+ NS_LOG_INFO ("Assign IP Addresses.");
+ Ipv4AddressHelper ipv4;
+ std::vector<Ipv4InterfaceContainer> interfaceAdjacencyList(N-1);
+ for(uint32_t i=0; i<interfaceAdjacencyList.size(); ++i)
+ {
+ std::ostringstream subnet;
+ subnet<<"10.1."<<i+1<<".0";
+ ipv4.SetBase (subnet.str().c_str(), "255.255.255.0");
+ interfaceAdjacencyList[i] = ipv4.Assign (deviceAdjacencyList[i]);
+ }
+
+ //Turn on global static routing
+ GlobalRouteManager::PopulateRoutingTables ();
+
+ // Create a packet sink on the star "hub" to receive these packets
+ uint16_t port = 50000;
+ Address sinkLocalAddress(InetSocketAddress (Ipv4Address::GetAny (), port));
+ PacketSinkHelper sinkHelper ("ns3::TcpSocketFactory", sinkLocalAddress);
+ ApplicationContainer sinkApp = sinkHelper.Install (serverNode);
+ sinkApp.Start (Seconds (1.0));
+ sinkApp.Stop (Seconds (10.0));
+
+ // Create the OnOff applications to send TCP to the server
+ OnOffHelper clientHelper ("ns3::TcpSocketFactory", Address ());
+ clientHelper.SetAttribute
+ ("OnTime", RandomVariableValue (ConstantVariable (1)));
+ clientHelper.SetAttribute
+ ("OffTime", RandomVariableValue (ConstantVariable (0)));
+ //normally wouldn't need a loop here but the server IP address is different
+ //on each p2p subnet
+ ApplicationContainer clientApps;
+ for(uint32_t i=0; i<clientNodes.GetN(); ++i)
+ {
+ AddressValue remoteAddress
+ (InetSocketAddress (interfaceAdjacencyList[i].GetAddress (0), port));
+ clientHelper.SetAttribute ("Remote", remoteAddress);
+ clientApps.Add(clientHelper.Install (clientNodes.Get(i)));
+ }
+ clientApps.Start (Seconds (1.0));
+ clientApps.Stop (Seconds (10.0));
+
+
+ //configure tracing
+ std::ofstream ascii;
+ ascii.open ("tcp-server.tr");
+ PointToPointHelper::EnablePcapAll ("tcp-server");
+ PointToPointHelper::EnableAsciiAll (ascii);
+
+ NS_LOG_INFO ("Run Simulation.");
+ Simulator::Run ();
+ Simulator::Destroy ();
+ NS_LOG_INFO ("Done.");
+
+ return 0;
+}