/* -*- 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 * */ // This script exercises global routing code in a mixed point-to-point // and csma/cd environment // // Network topology // // n0 // \ p-p // \ (shared csma/cd) // n2 -------------------------n3 // / | | // / p-p n4 n5 ---------- n6 // n1 p-p // // - CBR/UDP flows from n0 to n6 // - Tracing of queues and packet receptions to file "mixed-global-routing.tr" #include #include #include #include #include "ns3/debug.h" #include "ns3/command-line.h" #include "ns3/default-value.h" #include "ns3/ptr.h" #include "ns3/random-variable.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/point-to-point-channel.h" #include "ns3/point-to-point-net-device.h" #include "ns3/csma-channel.h" #include "ns3/csma-net-device.h" #include "ns3/csma-topology.h" #include "ns3/csma-ipv4-topology.h" #include "ns3/eui48-address.h" #include "ns3/ipv4-address.h" #include "ns3/ipv4.h" #include "ns3/socket.h" #include "ns3/inet-socket-address.h" #include "ns3/ipv4-route.h" #include "ns3/point-to-point-topology.h" #include "ns3/onoff-application.h" #include "ns3/global-route-manager.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 ("Object"); DebugComponentEnable ("Queue"); DebugComponentEnable ("DropTailQueue"); DebugComponentEnable ("Channel"); DebugComponentEnable ("PointToPointChannel"); DebugComponentEnable ("PointToPointNetDevice"); DebugComponentEnable ("GlobalRouter"); DebugComponentEnable ("GlobalRouteManager"); #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 DefaultValue::Bind command tells the queue factory which // class to instantiate, when the queue factory is invoked in the // topology code DefaultValue::Bind ("Queue", "DropTailQueue"); DefaultValue::Bind ("OnOffApplicationPacketSize", "210"); DefaultValue::Bind ("OnOffApplicationDataRate", "448kb/s"); //DefaultValue::Bind ("DropTailQueue::m_maxPackets", 30); // 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); Ptr n0 = Create (); Ptr n1 = Create (); Ptr n2 = Create (); Ptr n3 = Create (); Ptr n4 = Create (); Ptr n5 = Create (); Ptr n6 = Create (); // We create the channels first without any IP addressing information Ptr channel0 = PointToPointTopology::AddPointToPointLink ( n0, n2, DataRate (5000000), MilliSeconds (2)); Ptr channel1 = PointToPointTopology::AddPointToPointLink ( n1, n2, DataRate (5000000), MilliSeconds (2)); Ptr channel2 = PointToPointTopology::AddPointToPointLink ( n5, n6, DataRate (1500000), MilliSeconds (10)); // We create the channels first without any IP addressing information Ptr channelc0 = CsmaTopology::CreateCsmaChannel( DataRate(5000000), MilliSeconds(2)); uint32_t n2ifIndex = CsmaIpv4Topology::AddIpv4CsmaNode (n2, channelc0, Eui48Address("10:54:23:54:23:50")); uint32_t n3ifIndex = CsmaIpv4Topology::AddIpv4CsmaNode (n3, channelc0, Eui48Address("10:54:23:54:23:51")); uint32_t n4ifIndex = CsmaIpv4Topology::AddIpv4CsmaNode (n4, channelc0, Eui48Address("10:54:23:54:23:52")); uint32_t n5ifIndex = CsmaIpv4Topology::AddIpv4CsmaNode (n5, channelc0, Eui48Address("10:54:23:54:23:53")); // Later, we add IP addresses. PointToPointTopology::AddIpv4Addresses ( channel0, n0, Ipv4Address ("10.1.1.1"), n2, Ipv4Address ("10.1.1.2")); PointToPointTopology::AddIpv4Addresses ( channel1, n1, Ipv4Address ("10.1.2.1"), n2, Ipv4Address ("10.1.2.2")); PointToPointTopology::AddIpv4Addresses ( channel2, n5, Ipv4Address ("10.1.3.1"), n6, Ipv4Address ("10.1.3.2")); CsmaIpv4Topology::AddIpv4Address ( n2, n2ifIndex, Ipv4Address("10.250.1.1"), Ipv4Mask("255.255.255.0")); CsmaIpv4Topology::AddIpv4Address ( n3, n3ifIndex, Ipv4Address("10.250.1.2"), Ipv4Mask("255.255.255.0")); CsmaIpv4Topology::AddIpv4Address ( n4, n4ifIndex, Ipv4Address("10.250.1.3"), Ipv4Mask("255.255.255.0")); CsmaIpv4Topology::AddIpv4Address ( n5, n5ifIndex, Ipv4Address("10.250.1.4"), Ipv4Mask("255.255.255.0")); // Create router nodes, initialize routing database and set up the routing // tables in the nodes. GlobalRouteManager::PopulateRoutingTables (); // Create the OnOff application to send UDP datagrams of size // 210 bytes at a rate of 448 Kb/s Ptr ooff = Create ( n0, InetSocketAddress ("10.1.3.2", 80), "Udp", ConstantVariable (1), ConstantVariable (0), DataRate("300bps"), 50); // Start the application ooff->Start (Seconds (1.0)); ooff->Stop (Seconds (10.0)); // Configure tracing of all enqueue, dequeue, and NetDevice receive events // Trace output will be sent to the simple-global-routing.tr file AsciiTrace asciitrace ("mixed-global-routing.tr"); asciitrace.TraceAllQueues (); asciitrace.TraceAllNetDeviceRx (); // Also configure some tcpdump traces; each interface will be traced // The output files will be named simple-p2p.pcap-- // and can be read by the "tcpdump -r" command (use "-tt" option to // display timestamps correctly) PcapTrace pcaptrace ("mixed-global-routing.pcap"); pcaptrace.TraceAllIp (); Simulator::Run (); Simulator::Destroy (); }