example-sixlowpan.cc

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/*
 * Copyright (c) 2013 Universita' di Firenze, Italy
 *
 * SPDX-License-Identifier: GPL-2.0-only
 *
 * Author: Tommaso Pecorella <tommaso.pecorella@unifi.it>
 */
 
// Network topology
//
//      n0                                      n1
//  +---------+                             +--------+
//  | UDP     |             r               | UDP    |
//  +---------+    +---------+--------+     +--------+
//  | IPv6    |    | IPv6    | IPv6   |     | IPv6   |
//  +---------+    +---------+        |     |        |
//  | 6LoWPAN |    | 6LoWPAN |        |     |        |
//  +---------+    +---------+--------+     +--------+
//  | CSMA    |    | CSMA    | CSMA   |     | CSMA   |
//  +---------+    +---------+--------+     +--------+
//       |              |        |               |
//       ================        =================
//
// - Tracing of queues and packet receptions to file "example-sixlowpan.tr"
// Note that the Pcap packet dissection will not be very meaningful.
// See the module's documentation for a discussion about this.
 
#include "ns3/core-module.h"
#include "ns3/csma-module.h"
#include "ns3/internet-apps-module.h"
#include "ns3/internet-module.h"
#include "ns3/sixlowpan-module.h"
 
#include <fstream>
 
using namespace ns3;
 
NS_LOG_COMPONENT_DEFINE("ExampleSixlowpan");
 
int
main(int argc, char** argv)
{
    bool verbose = false;
 
    CommandLine cmd(__FILE__);
    cmd.AddValue("verbose", "turn on some relevant log components", verbose);
    cmd.Parse(argc, argv);
 
    if (verbose)
    {
        LogComponentEnable("SixLowPanNetDevice", LOG_LEVEL_ALL);
        LogComponentEnable("Ping", LOG_LEVEL_ALL);
    }
 
    Packet::EnablePrinting();
    Packet::EnableChecking();
 
    NS_LOG_INFO("Create nodes.");
    Ptr<Node> n0 = CreateObject<Node>();
    Ptr<Node> r = CreateObject<Node>();
    Ptr<Node> n1 = CreateObject<Node>();
 
    NodeContainer net1(n0, r);
    NodeContainer net2(r, n1);
    NodeContainer all(n0, r, n1);
 
    NS_LOG_INFO("Create IPv6 Internet Stack");
    InternetStackHelper internetv6;
    internetv6.Install(all);
 
    NS_LOG_INFO("Create channels.");
    CsmaHelper csma;
    csma.SetChannelAttribute("DataRate", DataRateValue(5000000));
    csma.SetChannelAttribute("Delay", TimeValue(MilliSeconds(2)));
    NetDeviceContainer d2 = csma.Install(net2);
    csma.SetDeviceAttribute("Mtu", UintegerValue(150));
    NetDeviceContainer d1 = csma.Install(net1);
 
    SixLowPanHelper sixlowpan;
    NetDeviceContainer six1 = sixlowpan.Install(d1);
 
    NS_LOG_INFO("Create networks and assign IPv6 Addresses.");
    Ipv6AddressHelper ipv6;
    ipv6.SetBase(Ipv6Address("2001:1::"), Ipv6Prefix(64));
    Ipv6InterfaceContainer i1 = ipv6.Assign(six1);
    i1.SetForwarding(1, true);
    i1.SetDefaultRouteInAllNodes(1);
 
    ipv6.SetBase(Ipv6Address("2001:2::"), Ipv6Prefix(64));
    Ipv6InterfaceContainer i2 = ipv6.Assign(d2);
    i2.SetForwarding(0, true);
    i2.SetDefaultRouteInAllNodes(0);
 
    /* Create a Ping6 application to send ICMPv6 echo request from n0 to n1 via r */
    uint32_t packetSize = 200;
    uint32_t maxPacketCount = 50;
    Time interPacketInterval = Seconds(1.);
    PingHelper ping(i2.GetAddress(1, 1));
 
    ping.SetAttribute("Count", UintegerValue(maxPacketCount));
    ping.SetAttribute("Interval", TimeValue(interPacketInterval));
    ping.SetAttribute("Size", UintegerValue(packetSize));
    ApplicationContainer apps = ping.Install(net1.Get(0));
 
    apps.Start(Seconds(5.0));
    apps.Stop(Seconds(15.0));
 
    AsciiTraceHelper ascii;
    csma.EnableAsciiAll(ascii.CreateFileStream("example-sixlowpan.tr"));
    csma.EnablePcapAll(std::string("example-sixlowpan"), true);
 
    Simulator::Stop(Seconds(100));
    NS_LOG_INFO("Run Simulation.");
    Simulator::Run();
    Simulator::Destroy();
    NS_LOG_INFO("Done.");
 
    return 0;
}