int
main (int argc, char *argv[])
{
CommandLine cmd;
cmd.Parse (argc, argv);
// Here, we will explicitly create four nodes.
NS_LOG_INFO ("Create nodes.");
NodeContainer c;
c.Create (4);
// connect all our nodes to a shared channel.
NS_LOG_INFO ("Build Topology.");
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", DataRateValue (DataRate (5000000)));
csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
csma.SetDeviceAttribute ("EncapsulationMode", StringValue ("Llc"));
NetDeviceContainer devs = csma.Install (c);
// add an ip stack to all nodes.
NS_LOG_INFO ("Add ip stack.");
InternetStackHelper ipStack;
ipStack.Install (c);
// assign ip addresses
NS_LOG_INFO ("Assign ip addresses.");
Ipv4AddressHelper ip;
ip.SetBase ("192.168.1.0", "255.255.255.0");
Ipv4InterfaceContainer addresses = ip.Assign (devs);
NS_LOG_INFO ("Create Source");
Config::SetDefault ("ns3::Ipv4RawSocketImpl::Protocol", StringValue ("2"));
InetSocketAddress dst = InetSocketAddress (addresses.GetAddress (3));
OnOffHelper onoff = OnOffHelper ("ns3::Ipv4RawSocketFactory", dst);
onoff.SetConstantRate (DataRate (15000));
onoff.SetAttribute ("PacketSize", UintegerValue (1200));
ApplicationContainer apps = onoff.Install (c.Get (0));
apps.Start (Seconds (1.0));
apps.Stop (Seconds (10.0));
NS_LOG_INFO ("Create Sink.");
PacketSinkHelper sink = PacketSinkHelper ("ns3::Ipv4RawSocketFactory", dst);
apps = sink.Install (c.Get (3));
apps.Start (Seconds (0.0));
apps.Stop (Seconds (11.0));
NS_LOG_INFO ("Create pinger");
V4PingHelper ping = V4PingHelper (addresses.GetAddress (2));
NodeContainer pingers;
pingers.Add (c.Get (0));
pingers.Add (c.Get (1));
pingers.Add (c.Get (3));
apps = ping.Install (pingers);
apps.Start (Seconds (2.0));
apps.Stop (Seconds (5.0));
NS_LOG_INFO ("Configure Tracing.");
// first, pcap tracing in non-promiscuous mode
csma.EnablePcapAll ("csma-ping", false);
// then, print what the packet sink receives.
Config::ConnectWithoutContext ("/NodeList/3/ApplicationList/0/$ns3::PacketSink/Rx",
MakeCallback (&SinkRx));
// finally, print the ping rtts.
Config::Connect ("/NodeList/*/ApplicationList/*/$ns3::V4Ping/Rtt",
MakeCallback (&PingRtt));
Packet::EnablePrinting ();
NS_LOG_INFO ("Run Simulation.");
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Done.");
}
//
// Example of the sending of a datagram to a broadcast address
//
// Network topology
// ==============
// | |
// n0 n1 n2
// | |
// ==========
//
// n0 originates UDP broadcast to 255.255.255.255/discard port, which
// is replicated and received on both n1 and n2
//
void
CsmaBroadcastTestCase::DoRun (void)
{
NodeContainer c;
c.Create (3);
NodeContainer c0 = NodeContainer (c.Get (0), c.Get (1));
NodeContainer c1 = NodeContainer (c.Get (0), c.Get (2));
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", DataRateValue (DataRate (5000000)));
csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
NetDeviceContainer n0 = csma.Install (c0);
NetDeviceContainer n1 = csma.Install (c1);
InternetStackHelper internet;
internet.Install (c);
Ipv4AddressHelper ipv4;
ipv4.SetBase ("10.1.0.0", "255.255.255.0");
ipv4.Assign (n0);
ipv4.SetBase ("192.168.1.0", "255.255.255.0");
ipv4.Assign (n1);
// RFC 863 discard port ("9") indicates packet should be thrown away
// by the system. We allow this silent discard to be overridden
// by the PacketSink application.
uint16_t port = 9;
// Create the OnOff application to send UDP datagrams from n0.
//
// Make packets be sent about every DefaultPacketSize / DataRate =
// 4096 bits / (5000 bits/second) = 0.82 second.
OnOffHelper onoff ("ns3::UdpSocketFactory",
Address (InetSocketAddress (Ipv4Address ("255.255.255.255"), port)));
onoff.SetConstantRate (DataRate (5000));
ApplicationContainer app = onoff.Install (c0.Get (0));
// Start the application
app.Start (Seconds (1.0));
app.Stop (Seconds (10.0));
// Create an optional packet sink to receive these packets
PacketSinkHelper sink ("ns3::UdpSocketFactory",
Address (InetSocketAddress (Ipv4Address::GetAny (), port)));
app = sink.Install (c0.Get (1));
app.Add (sink.Install (c1.Get (1)));
app.Start (Seconds (1.0));
app.Stop (Seconds (10.0));
// Trace receptions
Config::ConnectWithoutContext ("/NodeList/1/ApplicationList/0/$ns3::PacketSink/Rx", MakeCallback (&CsmaBroadcastTestCase::SinkRxNode1, this));
Config::ConnectWithoutContext ("/NodeList/2/ApplicationList/0/$ns3::PacketSink/Rx", MakeCallback (&CsmaBroadcastTestCase::SinkRxNode2, this));
Simulator::Run ();
Simulator::Destroy ();
// We should have sent and received 10 packets
NS_TEST_ASSERT_MSG_EQ (m_countNode1, 10, "Node 1 should have received 10 packets");
NS_TEST_ASSERT_MSG_EQ (m_countNode2, 10, "Node 2 should have received 10 packets");
}
int main (int argc, char *argv[])
{
uint32_t nWifis = 2;
uint32_t nStas = 2;
bool sendIp = true;
bool writeMobility = false;
CommandLine cmd;
cmd.AddValue ("nWifis", "Number of wifi networks", nWifis);
cmd.AddValue ("nStas", "Number of stations per wifi network", nStas);
cmd.AddValue ("SendIp", "Send Ipv4 or raw packets", sendIp);
cmd.AddValue ("writeMobility", "Write mobility trace", writeMobility);
cmd.Parse (argc, argv);
NodeContainer backboneNodes;
NetDeviceContainer backboneDevices;
Ipv4InterfaceContainer backboneInterfaces;
std::vector<NodeContainer> staNodes;
std::vector<NetDeviceContainer> staDevices;
std::vector<NetDeviceContainer> apDevices;
std::vector<Ipv4InterfaceContainer> staInterfaces;
std::vector<Ipv4InterfaceContainer> apInterfaces;
InternetStackHelper stack;
CsmaHelper csma;
Ipv4AddressHelper ip;
ip.SetBase ("192.168.0.0", "255.255.255.0");
backboneNodes.Create (nWifis);
stack.Install (backboneNodes);
backboneDevices = csma.Install (backboneNodes);
double wifiX = 0.0;
YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
wifiPhy.SetPcapDataLinkType (YansWifiPhyHelper::DLT_IEEE802_11_RADIO);
for (uint32_t i = 0; i < nWifis; ++i)
{
// calculate ssid for wifi subnetwork
std::ostringstream oss;
oss << "wifi-default-" << i;
Ssid ssid = Ssid (oss.str ());
NodeContainer sta;
NetDeviceContainer staDev;
NetDeviceContainer apDev;
Ipv4InterfaceContainer staInterface;
Ipv4InterfaceContainer apInterface;
MobilityHelper mobility;
BridgeHelper bridge;
WifiHelper wifi = WifiHelper::Default ();
NqosWifiMacHelper wifiMac = NqosWifiMacHelper::Default ();
YansWifiChannelHelper wifiChannel = YansWifiChannelHelper::Default ();
wifiPhy.SetChannel (wifiChannel.Create ());
sta.Create (nStas);
mobility.SetPositionAllocator ("ns3::GridPositionAllocator",
"MinX", DoubleValue (wifiX),
"MinY", DoubleValue (0.0),
"DeltaX", DoubleValue (5.0),
"DeltaY", DoubleValue (5.0),
"GridWidth", UintegerValue (1),
"LayoutType", StringValue ("RowFirst"));
// setup the AP.
mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
mobility.Install (backboneNodes.Get (i));
wifiMac.SetType ("ns3::ApWifiMac",
"Ssid", SsidValue (ssid));
apDev = wifi.Install (wifiPhy, wifiMac, backboneNodes.Get (i));
NetDeviceContainer bridgeDev;
bridgeDev = bridge.Install (backboneNodes.Get (i), NetDeviceContainer (apDev, backboneDevices.Get (i)));
// assign AP IP address to bridge, not wifi
apInterface = ip.Assign (bridgeDev);
// setup the STAs
stack.Install (sta);
mobility.SetMobilityModel ("ns3::RandomWalk2dMobilityModel",
"Mode", StringValue ("Time"),
"Time", StringValue ("2s"),
"Speed", StringValue ("ns3::ConstantRandomVariable[Constant=1.0]"),
"Bounds", RectangleValue (Rectangle (wifiX, wifiX+5.0,0.0, (nStas+1)*5.0)));
mobility.Install (sta);
wifiMac.SetType ("ns3::StaWifiMac",
"Ssid", SsidValue (ssid),
"ActiveProbing", BooleanValue (false));
staDev = wifi.Install (wifiPhy, wifiMac, sta);
staInterface = ip.Assign (staDev);
// save everything in containers.
staNodes.push_back (sta);
apDevices.push_back (apDev);
apInterfaces.push_back (apInterface);
staDevices.push_back (staDev);
staInterfaces.push_back (staInterface);
wifiX += 20.0;
}
Address dest;
std::string protocol;
if (sendIp)
{
dest = InetSocketAddress (staInterfaces[1].GetAddress (1), 1025);
protocol = "ns3::UdpSocketFactory";
}
else
{
PacketSocketAddress tmp;
tmp.SetSingleDevice (staDevices[0].Get (0)->GetIfIndex ());
tmp.SetPhysicalAddress (staDevices[1].Get (0)->GetAddress ());
tmp.SetProtocol (0x807);
dest = tmp;
protocol = "ns3::PacketSocketFactory";
}
OnOffHelper onoff = OnOffHelper (protocol, dest);
onoff.SetConstantRate (DataRate ("500kb/s"));
ApplicationContainer apps = onoff.Install (staNodes[0].Get (0));
apps.Start (Seconds (0.5));
apps.Stop (Seconds (3.0));
wifiPhy.EnablePcap ("wifi-wired-bridging", apDevices[0]);
wifiPhy.EnablePcap ("wifi-wired-bridging", apDevices[1]);
if (writeMobility)
{
AsciiTraceHelper ascii;
MobilityHelper::EnableAsciiAll (ascii.CreateFileStream ("wifi-wired-bridging.mob"));
}
Simulator::Stop (Seconds (5.0));
Simulator::Run ();
Simulator::Destroy ();
}
int
run(int argc, char* argv[])
{
delayFile.open(DELAY_OUTPUT_FILE_NAME);
// setting default parameters for PointToPoint links and channels
Config::SetDefault("ns3::PointToPointNetDevice::DataRate", StringValue("1000Mbps"));
Config::SetDefault("ns3::PointToPointChannel::Delay", StringValue("10ms"));
Config::SetDefault("ns3::DropTailQueue::MaxPackets", StringValue("4294967295"));
// Read optional command-line parameters (e.g., enable visualizer with ./waf --run=<> --visualize
CommandLine cmd;
cmd.Parse(argc, argv);
// Creating nodes
NodeContainer nodes;
nodes.Create(NUM_OF_CONSUMERS + NUM_OF_ROUTERS + NUM_OF_PRODUCER);
// Connecting nodes using two links
// Connecting nodes using two links
PointToPointHelper p2p;
// Connecting consumers to edge routers
int g = 0;
for (int i = 0; i < GROUP_SIZE; i++, g++)
p2p.Install (nodes.Get (g), nodes.Get (0 + NUM_OF_CONSUMERS)); // C0 <--> R0
for (int i = 0; i < GROUP_SIZE; i++, g++)
p2p.Install (nodes.Get (g), nodes.Get (36 + NUM_OF_CONSUMERS)); // C1 <--> R1
for (int i = 0; i < GROUP_SIZE; i++, g++)
p2p.Install (nodes.Get (g), nodes.Get (37 + NUM_OF_CONSUMERS)); // C2 <--> R3
for (int i = 0; i < GROUP_SIZE; i++, g++)
p2p.Install (nodes.Get (g), nodes.Get (9 + NUM_OF_CONSUMERS)); // C3 <--> R5
for (int i = 0; i < GROUP_SIZE; i++, g++)
p2p.Install (nodes.Get (g), nodes.Get (38 + NUM_OF_CONSUMERS)); // C4 <--> R6
for (int i = 0; i < GROUP_SIZE; i++, g++)
p2p.Install (nodes.Get (g), nodes.Get (13 + NUM_OF_CONSUMERS)); // C5 <--> R10
for (int i = 0; i < GROUP_SIZE; i++, g++)
p2p.Install (nodes.Get (g), nodes.Get (16 + NUM_OF_CONSUMERS)); // C6 <--> R8
for (int i = 0; i < GROUP_SIZE; i++, g++)
p2p.Install (nodes.Get (g), nodes.Get (20 + NUM_OF_CONSUMERS)); // C7 <--> R11
for (int i = 0; i < GROUP_SIZE; i++, g++)
p2p.Install (nodes.Get (g), nodes.Get (18 + NUM_OF_CONSUMERS)); // C8 <--> R12
for (int i = 0; i < GROUP_SIZE; i++, g++)
p2p.Install (nodes.Get (g), nodes.Get (28 + NUM_OF_CONSUMERS)); // C9 <--> R18
for (int i = 0; i < GROUP_SIZE; i++, g++)
p2p.Install (nodes.Get (g), nodes.Get (21 + NUM_OF_CONSUMERS)); // C10 <--> R17
for (int i = 0; i < GROUP_SIZE; i++, g++)
p2p.Install (nodes.Get (g), nodes.Get (24 + NUM_OF_CONSUMERS)); // C11 <--> R20
for (int i = 0; i < GROUP_SIZE; i++, g++)
p2p.Install (nodes.Get (g), nodes.Get (26 + NUM_OF_CONSUMERS)); // C12 <--> R24
for (int i = 0; i < GROUP_SIZE; i++, g++)
p2p.Install (nodes.Get (g), nodes.Get (35 + NUM_OF_CONSUMERS)); // C13 <--> R29
for (int i = 0; i < GROUP_SIZE; i++, g++)
p2p.Install (nodes.Get (g), nodes.Get (34 + NUM_OF_CONSUMERS)); // C14 <--> R28
for (int i = 0; i < GROUP_SIZE; i++, g++)
p2p.Install (nodes.Get (g), nodes.Get (33 + NUM_OF_CONSUMERS)); // C15 <--> R21
// Connecting routers
p2p.Install (nodes.Get (0 + NUM_OF_CONSUMERS), nodes.Get (1 + NUM_OF_CONSUMERS)); // R0 <--> R9
p2p.Install (nodes.Get (1 + NUM_OF_CONSUMERS), nodes.Get (2 + NUM_OF_CONSUMERS)); // R1 <--> R15
p2p.Install (nodes.Get (1 + NUM_OF_CONSUMERS), nodes.Get (17 + NUM_OF_CONSUMERS)); // R1 <--> R15
p2p.Install (nodes.Get (2 + NUM_OF_CONSUMERS), nodes.Get (3 + NUM_OF_CONSUMERS)); // R2 <--> R9
p2p.Install (nodes.Get (2 + NUM_OF_CONSUMERS), nodes.Get (4 + NUM_OF_CONSUMERS)); // R2 <--> R9
p2p.Install (nodes.Get (2 + NUM_OF_CONSUMERS), nodes.Get (6 + NUM_OF_CONSUMERS)); // R2 <--> R9
p2p.Install (nodes.Get (2 + NUM_OF_CONSUMERS), nodes.Get (36 + NUM_OF_CONSUMERS)); // R2 <--> R9
p2p.Install (nodes.Get (2 + NUM_OF_CONSUMERS), nodes.Get (8 + NUM_OF_CONSUMERS)); // R2 <--> R9
p2p.Install (nodes.Get (2 + NUM_OF_CONSUMERS), nodes.Get (17 + NUM_OF_CONSUMERS)); // R2 <--> R9
p2p.Install (nodes.Get (2 + NUM_OF_CONSUMERS), nodes.Get (19 + NUM_OF_CONSUMERS)); // R2 <--> R9
p2p.Install (nodes.Get (3 + NUM_OF_CONSUMERS), nodes.Get (5 + NUM_OF_CONSUMERS)); // R3 <--> R4
p2p.Install (nodes.Get (4 + NUM_OF_CONSUMERS), nodes.Get (16 + NUM_OF_CONSUMERS)); // R4 <--> R7
p2p.Install (nodes.Get (5 + NUM_OF_CONSUMERS), nodes.Get (8 + NUM_OF_CONSUMERS)); // R5 <--> R13
p2p.Install (nodes.Get (6 + NUM_OF_CONSUMERS), nodes.Get (7 + NUM_OF_CONSUMERS)); // R6 <--> R7
p2p.Install (nodes.Get (6 + NUM_OF_CONSUMERS), nodes.Get (37 + NUM_OF_CONSUMERS)); // R6 <--> R7
p2p.Install (nodes.Get (7 + NUM_OF_CONSUMERS), nodes.Get (10 + NUM_OF_CONSUMERS)); // R7 <--> R9
p2p.Install (nodes.Get (8 + NUM_OF_CONSUMERS), nodes.Get (9 + NUM_OF_CONSUMERS)); // R8 <--> R9
p2p.Install (nodes.Get (8 + NUM_OF_CONSUMERS), nodes.Get (11 + NUM_OF_CONSUMERS)); // R8 <--> R9
p2p.Install (nodes.Get (8 + NUM_OF_CONSUMERS), nodes.Get (17 + NUM_OF_CONSUMERS)); // R8 <--> R9
// 9 done
p2p.Install (nodes.Get (10 + NUM_OF_CONSUMERS), nodes.Get (11 + NUM_OF_CONSUMERS)); // R10 <--> R14
p2p.Install (nodes.Get (11 + NUM_OF_CONSUMERS), nodes.Get (16 + NUM_OF_CONSUMERS)); // R11 <--> R13
p2p.Install (nodes.Get (11 + NUM_OF_CONSUMERS), nodes.Get (38 + NUM_OF_CONSUMERS)); // R11 <--> R13
p2p.Install (nodes.Get (11 + NUM_OF_CONSUMERS), nodes.Get (12 + NUM_OF_CONSUMERS)); // R11 <--> R13
p2p.Install (nodes.Get (11 + NUM_OF_CONSUMERS), nodes.Get (13 + NUM_OF_CONSUMERS)); // R11 <--> R13
p2p.Install (nodes.Get (11 + NUM_OF_CONSUMERS), nodes.Get (23 + NUM_OF_CONSUMERS)); // R11 <--> R13
p2p.Install (nodes.Get (12 + NUM_OF_CONSUMERS), nodes.Get (13 + NUM_OF_CONSUMERS)); // R12 <--> R13
p2p.Install (nodes.Get (13 + NUM_OF_CONSUMERS), nodes.Get (23 + NUM_OF_CONSUMERS)); // R13 <--> R14
p2p.Install (nodes.Get (14 + NUM_OF_CONSUMERS), nodes.Get (16 + NUM_OF_CONSUMERS)); // R14 <--> R15
p2p.Install (nodes.Get (14 + NUM_OF_CONSUMERS), nodes.Get (15 + NUM_OF_CONSUMERS)); // R14 <--> R18
p2p.Install (nodes.Get (15 + NUM_OF_CONSUMERS), nodes.Get (39 + NUM_OF_CONSUMERS)); // R15 <--> R16
p2p.Install (nodes.Get (15 + NUM_OF_CONSUMERS), nodes.Get (17 + NUM_OF_CONSUMERS)); // R15 <--> R19
p2p.Install (nodes.Get (16 + NUM_OF_CONSUMERS), nodes.Get (17 + NUM_OF_CONSUMERS)); // R16 <--> R23
p2p.Install (nodes.Get (16 + NUM_OF_CONSUMERS), nodes.Get (19 + NUM_OF_CONSUMERS)); // R16 <--> R27
p2p.Install (nodes.Get (17 + NUM_OF_CONSUMERS), nodes.Get (18 + NUM_OF_CONSUMERS)); // R17 <--> R23
p2p.Install (nodes.Get (17 + NUM_OF_CONSUMERS), nodes.Get (19 + NUM_OF_CONSUMERS)); // R17 <--> R23
p2p.Install (nodes.Get (17 + NUM_OF_CONSUMERS), nodes.Get (29 + NUM_OF_CONSUMERS)); // R17 <--> R23
p2p.Install (nodes.Get (17 + NUM_OF_CONSUMERS), nodes.Get (32 + NUM_OF_CONSUMERS)); // R17 <--> R23
p2p.Install (nodes.Get (17 + NUM_OF_CONSUMERS), nodes.Get (31 + NUM_OF_CONSUMERS)); // R17 <--> R23
p2p.Install (nodes.Get (17 + NUM_OF_CONSUMERS), nodes.Get (39 + NUM_OF_CONSUMERS)); // R17 <--> R23
// 18 done
p2p.Install (nodes.Get (19 + NUM_OF_CONSUMERS), nodes.Get (20 + NUM_OF_CONSUMERS)); // R19 <--> R22
p2p.Install (nodes.Get (19 + NUM_OF_CONSUMERS), nodes.Get (27 + NUM_OF_CONSUMERS)); // R19 <--> R22
// 20 done
p2p.Install (nodes.Get (21 + NUM_OF_CONSUMERS), nodes.Get (22 + NUM_OF_CONSUMERS)); // R21 <--> R22
p2p.Install (nodes.Get (22 + NUM_OF_CONSUMERS), nodes.Get (40 + NUM_OF_CONSUMERS)); // R22 <--> R23
p2p.Install (nodes.Get (22 + NUM_OF_CONSUMERS), nodes.Get (23 + NUM_OF_CONSUMERS)); // R22 <--> R28
p2p.Install (nodes.Get (22 + NUM_OF_CONSUMERS), nodes.Get (25 + NUM_OF_CONSUMERS)); // R22 <--> R29
p2p.Install (nodes.Get (23 + NUM_OF_CONSUMERS), nodes.Get (24 + NUM_OF_CONSUMERS)); // R23 <--> R24
// 24 done
p2p.Install (nodes.Get (25 + NUM_OF_CONSUMERS), nodes.Get (27 + NUM_OF_CONSUMERS)); // R26 <--> R27
p2p.Install (nodes.Get (26 + NUM_OF_CONSUMERS), nodes.Get (27 + NUM_OF_CONSUMERS)); // R26 <--> R27
p2p.Install (nodes.Get (27 + NUM_OF_CONSUMERS), nodes.Get (40 + NUM_OF_CONSUMERS)); // R26 <--> R27
p2p.Install (nodes.Get (27 + NUM_OF_CONSUMERS), nodes.Get (30 + NUM_OF_CONSUMERS)); // R26 <--> R27
p2p.Install (nodes.Get (27 + NUM_OF_CONSUMERS), nodes.Get (31 + NUM_OF_CONSUMERS)); // R26 <--> R27
p2p.Install (nodes.Get (28 + NUM_OF_CONSUMERS), nodes.Get (29 + NUM_OF_CONSUMERS)); // R26 <--> R27
p2p.Install (nodes.Get (29 + NUM_OF_CONSUMERS), nodes.Get (30 + NUM_OF_CONSUMERS)); // R26 <--> R27
p2p.Install (nodes.Get (30 + NUM_OF_CONSUMERS), nodes.Get (31 + NUM_OF_CONSUMERS)); // R26 <--> R27
p2p.Install (nodes.Get (30 + NUM_OF_CONSUMERS), nodes.Get (41 + NUM_OF_CONSUMERS)); // R26 <--> R27
p2p.Install (nodes.Get (30 + NUM_OF_CONSUMERS), nodes.Get (35 + NUM_OF_CONSUMERS)); // R26 <--> R27
p2p.Install (nodes.Get (31 + NUM_OF_CONSUMERS), nodes.Get (41 + NUM_OF_CONSUMERS)); // R26 <--> R27
p2p.Install (nodes.Get (31 + NUM_OF_CONSUMERS), nodes.Get (32 + NUM_OF_CONSUMERS)); // R26 <--> R27
p2p.Install (nodes.Get (31 + NUM_OF_CONSUMERS), nodes.Get (34 + NUM_OF_CONSUMERS)); // R26 <--> R27
p2p.Install (nodes.Get (32 + NUM_OF_CONSUMERS), nodes.Get (33 + NUM_OF_CONSUMERS)); // R26 <--> R27
// 33 done
// 34 done
// 35 done
// 36 done
// 37 done
// 38 done
// 39 done
// 40 done
// 41 done
// Connecting producer(s)
int producerId = 0 + NUM_OF_CONSUMERS + NUM_OF_ROUTERS;
p2p.Install (nodes.Get (producerId), nodes.Get (0 + NUM_OF_CONSUMERS)); // P0 <--> R0
// Install NDN stack without cache
ndn::StackHelper ndnHelperNoCache;
// ndnHelperNoCache.SetDefaultRoutes(true);
ndnHelperNoCache.SetOldContentStore("ns3::ndn::cs::Nocache"); // no cache
// Install on consumers
for (int i = 0; i < NUM_OF_CONSUMERS; i++) {
ndnHelperNoCache.Install(nodes.Get(i));
}
// Install on producer(s)
ndnHelperNoCache.Install(nodes.Get(0 + NUM_OF_CONSUMERS + NUM_OF_ROUTERS));
// Install NDN stack with cache
ndn::StackHelper ndnHelperWithCache;
// ndnHelperWithCache.SetDefaultRoutes(true);
ndnHelperWithCache.SetOldContentStore("ns3::ndn::cs::Freshness::Lru", "MaxSize", "0");
// Install on routers
for (int i = NUM_OF_CONSUMERS; i < NUM_OF_CONSUMERS + NUM_OF_ROUTERS; i++) {
ndnHelperWithCache.InstallWithCallback(nodes.Get(i), (size_t)&ForwardingDelay, i, USE_PINT);
}
// Consumers
ndn::AppHelper consumerHelperHonest("ns3::ndn::AccountingRandomConsumer");
consumerHelperHonest.SetAttribute("Frequency", StringValue("10")); // 10 interests a second
consumerHelperHonest.SetAttribute("Randomize", StringValue("uniform"));
consumerHelperHonest.SetAttribute("StartSeq", IntegerValue(0));
consumerHelperHonest.SetPrefix("/prefix/A/");
for(int i=0; i < NUM_OF_CONSUMERS; i++) {
consumerHelperHonest.SetAttribute("ConsumerID", IntegerValue(i));
ApplicationContainer consumer = consumerHelperHonest.Install(nodes.Get(i));
consumer.Start(Seconds(0));
std::ostringstream node_id;
node_id << i;
Config::ConnectWithoutContext("/NodeList/" + node_id.str() + "/ApplicationList/0/ReceivedMeaningfulContent", MakeCallback(ReceivedMeaningfulContent));
}
// Producer
// Producer will reply to all requests starting with /prefix/A
ndn::AppHelper producerHelper("ns3::ndn::AccountingProducer");
producerHelper.SetPrefix("/prefix/A");
producerHelper.SetAttribute("PayloadSize", StringValue("1024"));
producerHelper.Install(nodes.Get(producerId));
ndn::GlobalRoutingHelper ndnGlobalRoutingHelper;
ndnGlobalRoutingHelper.Install(nodes);
std::string prefix = "/prefix/A";
ndnGlobalRoutingHelper.AddOrigins(prefix, nodes.Get(producerId));
ndn::GlobalRoutingHelper::CalculateRoutes();
// Traces
ndn::L3RateTracer::InstallAll(RATE_OUTPUT_FILE_NAME, Seconds(1.0));
Simulator::Stop(Seconds(SIMULATION_DURATION));
Simulator::Run();
Simulator::Destroy();
delayFile.close();
return 0;
}
int
main (int argc, char *argv[])
{
//
// Set up some default values for the simulation.
//
Config::SetDefault ("ns3::OnOffApplication::PacketSize", UintegerValue (137));
// ??? try and stick 15kb/s into the data rate
Config::SetDefault ("ns3::OnOffApplication::DataRate", StringValue ("14kb/s"));
//
// Default number of nodes in the star. Overridable by command line argument.
//
uint32_t nSpokes = 8;
CommandLine cmd;
cmd.AddValue ("nSpokes", "Number of nodes to place in the star", nSpokes);
cmd.Parse (argc, argv);
NS_LOG_INFO ("Build star topology.");
PointToPointHelper pointToPoint;
pointToPoint.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
pointToPoint.SetChannelAttribute ("Delay", StringValue ("2ms"));
PointToPointStarHelper star (nSpokes, pointToPoint);
NS_LOG_INFO ("Install internet stack on all nodes.");
InternetStackHelper internet;
star.InstallStack (internet);
NS_LOG_INFO ("Assign IP Addresses.");
star.AssignIpv4Addresses (Ipv4AddressHelper ("10.1.1.0", "255.255.255.0"));
NS_LOG_INFO ("Create applications.");
//
// Create a packet sink on the star "hub" to receive packets.
//
uint16_t port = 50000;
Address hubLocalAddress (InetSocketAddress (Ipv4Address::GetAny (), port));
PacketSinkHelper packetSinkHelper ("ns3::TcpSocketFactory", hubLocalAddress);
ApplicationContainer hubApp = packetSinkHelper.Install (star.GetHub ());
hubApp.Start (Seconds (1.0));
hubApp.Stop (Seconds (10.0));
//
// Create OnOff applications to send TCP to the hub, one on each spoke node.
//
OnOffHelper onOffHelper ("ns3::TcpSocketFactory", Address ());
onOffHelper.SetAttribute ("OnTime", StringValue ("ns3::ConstantRandomVariable[Constant=1]"));
onOffHelper.SetAttribute ("OffTime", StringValue ("ns3::ConstantRandomVariable[Constant=0]"));
ApplicationContainer spokeApps;
for (uint32_t i = 0; i < star.SpokeCount (); ++i)
{
AddressValue remoteAddress (InetSocketAddress (star.GetHubIpv4Address (i), port));
onOffHelper.SetAttribute ("Remote", remoteAddress);
spokeApps.Add (onOffHelper.Install (star.GetSpokeNode (i)));
}
spokeApps.Start (Seconds (1.0));
spokeApps.Stop (Seconds (10.0));
NS_LOG_INFO ("Enable static global routing.");
//
// Turn on global static routing so we can actually be routed across the star.
//
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
NS_LOG_INFO ("Enable pcap tracing.");
//
// Do pcap tracing on all point-to-point devices on all nodes.
//
pointToPoint.EnablePcapAll ("star");
NS_LOG_INFO ("Run Simulation.");
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Done.");
return 0;
}
int
main (int argc, char *argv[])
{
#ifdef NS3_MPI
// Distributed simulation setup
MpiInterface::Enable (&argc, &argv);
GlobalValue::Bind ("SimulatorImplementationType",
StringValue ("ns3::DistributedSimulatorImpl"));
LogComponentEnable ("BriteMPITest", LOG_LEVEL_ALL);
LogComponentEnable ("TcpSocketBase", LOG_LEVEL_INFO);
uint32_t systemId = MpiInterface::GetSystemId ();
uint32_t systemCount = MpiInterface::GetSize ();
// Check for valid distributed parameters.
// For just this particular example, must have 2 and only 2 Logical Processors (LPs)
NS_ASSERT_MSG (systemCount == 2, "This demonstration requires 2 and only 2 logical processors.");
// BRITE needs a configuration file to build its graph. By default, this
// example will use the TD_ASBarabasi_RTWaxman.conf file. There are many others
// which can be found in the BRITE/conf_files directory
std::string confFile = "src/brite/examples/conf_files/TD_ASBarabasi_RTWaxman.conf";
bool tracing = false;
bool nix = false;
CommandLine cmd;
cmd.AddValue ("confFile", "BRITE conf file", confFile);
cmd.AddValue ("tracing", "Enable or disable ascii tracing", tracing);
cmd.AddValue ("nix", "Enable or disable nix-vector routing", nix);
cmd.Parse (argc,argv);
// Invoke the BriteTopologyHelper and pass in a BRITE
// configuration file and a seed file. This will use
// BRITE to build a graph from which we can build the ns-3 topology
BriteTopologyHelper bth (confFile);
PointToPointHelper p2p;
Ipv4StaticRoutingHelper staticRouting;
Ipv4GlobalRoutingHelper globalRouting;
Ipv4ListRoutingHelper listRouting;
Ipv4NixVectorHelper nixRouting;
InternetStackHelper stack;
if (nix)
{
listRouting.Add (staticRouting, 0);
listRouting.Add (nixRouting, 10);
}
else
{
listRouting.Add (staticRouting, 0);
listRouting.Add (globalRouting, 10);
}
stack.SetRoutingHelper (listRouting);
Ipv4AddressHelper address;
address.SetBase ("10.0.0.0", "255.255.255.252");
//build topology as normal but also pass systemCount
bth.BuildBriteTopology (stack, systemCount);
bth.AssignIpv4Addresses (address);
NS_LOG_LOGIC ("Number of AS created " << bth.GetNAs ());
uint16_t port = 5001;
NodeContainer client;
NodeContainer server;
//For this example will use AS 0 and AS 1 which will be on seperate systems
//due to the mod divide used to assign AS to system.
//GetSystemNumberForAs (uint32_t) can be used to determine which system an
//AS is assigned to
NS_LOG_LOGIC ("AS 0 has been assigned to system " << bth.GetSystemNumberForAs (0));
NS_LOG_LOGIC ("As 1 has been assigned to system " << bth.GetSystemNumberForAs (1));
//install client node on last leaf node of AS 0
client.Add (CreateObject<Node> (0));
stack.Install (client);
int numLeafNodesInAsZero = bth.GetNLeafNodesForAs (0);
client.Add (bth.GetLeafNodeForAs (0, numLeafNodesInAsZero - 1));
//install server node on last leaf node on AS 1
server.Add (CreateObject<Node> (1));
stack.Install (server);
int numLeafNodesInAsOne = bth.GetNLeafNodesForAs (1);
server.Add (bth.GetLeafNodeForAs (1, numLeafNodesInAsOne - 1));
p2p.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
p2p.SetChannelAttribute ("Delay", StringValue ("2ms"));
NetDeviceContainer p2pClientDevices;
NetDeviceContainer p2pServerDevices;
p2pClientDevices = p2p.Install (client);
p2pServerDevices = p2p.Install (server);
address.SetBase ("10.1.0.0", "255.255.0.0");
Ipv4InterfaceContainer clientInterfaces;
clientInterfaces = address.Assign (p2pClientDevices);
address.SetBase ("10.2.0.0", "255.255.0.0");
Ipv4InterfaceContainer serverInterfaces;
serverInterfaces = address.Assign (p2pServerDevices);
if (!nix)
{
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
}
//only has two systems in this example. Install applications only on nodes in my system
//Moved here to get totalRX at end
ApplicationContainer sinkApps;
if (systemId == 1)
{
Address sinkLocalAddress (InetSocketAddress (Ipv4Address::GetAny (), port));
PacketSinkHelper packetSinkHelper ("ns3::TcpSocketFactory", sinkLocalAddress);
sinkApps.Add (packetSinkHelper.Install (server.Get (0)));
sinkApps.Start (Seconds (0.0));
sinkApps.Stop (Seconds (10.0));
}
if (systemId == 0)
{
OnOffHelper clientHelper ("ns3::TcpSocketFactory", Address ());
clientHelper.SetAttribute ("OnTime", StringValue ("ns3::ConstantRandomVariable[Constant=1]"));
clientHelper.SetAttribute ("OffTime", StringValue ("ns3::ConstantRandomVariable[Constant=0]"));
ApplicationContainer clientApps;
AddressValue remoteAddress (InetSocketAddress (serverInterfaces.GetAddress (0), port));
clientHelper.SetAttribute ("Remote", remoteAddress);
clientApps.Add (clientHelper.Install (client.Get (0)));
clientApps.Start (Seconds (1.0)); // Start 1 second after sink
clientApps.Stop (Seconds (9.0)); // Stop before the sink
}
if (!nix)
{
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
}
if (tracing)
{
AsciiTraceHelper ascii;
p2p.EnableAsciiAll (ascii.CreateFileStream ("briteLeaves.tr"));
}
// Run the simulator
Simulator::Stop (Seconds (200.0));
Simulator::Run ();
Simulator::Destroy ();
if (systemId == 1)
{
Ptr<PacketSink> sink1 = DynamicCast<PacketSink> (sinkApps.Get (0));
NS_LOG_DEBUG ("Total Bytes Received: " << sink1->GetTotalRx ());
}
MpiInterface::Disable ();
return 0;
#else
NS_FATAL_ERROR ("Can't use distributed simulator without MPI compiled in");
#endif
}
int
main (int argc, char *argv[])
{
std::string mode = "ConfigureLocal";
std::string tapName = "thetap";
CommandLine cmd;
cmd.AddValue ("mode", "Mode setting of TapBridge", mode);
cmd.AddValue ("tapName", "Name of the OS tap device", tapName);
cmd.Parse (argc, argv);
GlobalValue::Bind ("SimulatorImplementationType", StringValue ("ns3::RealtimeSimulatorImpl"));
GlobalValue::Bind ("ChecksumEnabled", BooleanValue (true));
//
// The topology has a Wifi network of four nodes on the left side. We'll make
// node zero the AP and have the other three will be the STAs.
//
NodeContainer nodesLeft;
nodesLeft.Create (4);
YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
YansWifiChannelHelper wifiChannel = YansWifiChannelHelper::Default ();
wifiPhy.SetChannel (wifiChannel.Create ());
Ssid ssid = Ssid ("left");
WifiHelper wifi = WifiHelper::Default ();
NqosWifiMacHelper wifiMac = NqosWifiMacHelper::Default ();
wifi.SetRemoteStationManager ("ns3::ArfWifiManager");
wifiMac.SetType ("ns3::ApWifiMac",
"Ssid", SsidValue (ssid));
NetDeviceContainer devicesLeft = wifi.Install (wifiPhy, wifiMac, nodesLeft.Get (0));
wifiMac.SetType ("ns3::StaWifiMac",
"Ssid", SsidValue (ssid),
"ActiveProbing", BooleanValue (false));
devicesLeft.Add (wifi.Install (wifiPhy, wifiMac, NodeContainer (nodesLeft.Get (1), nodesLeft.Get (2), nodesLeft.Get (3))));
MobilityHelper mobility;
mobility.Install (nodesLeft);
InternetStackHelper internetLeft;
internetLeft.Install (nodesLeft);
Ipv4AddressHelper ipv4Left;
ipv4Left.SetBase ("10.1.1.0", "255.255.255.0");
Ipv4InterfaceContainer interfacesLeft = ipv4Left.Assign (devicesLeft);
TapBridgeHelper tapBridge (interfacesLeft.GetAddress (1));
tapBridge.SetAttribute ("Mode", StringValue (mode));
tapBridge.SetAttribute ("DeviceName", StringValue (tapName));
tapBridge.Install (nodesLeft.Get (0), devicesLeft.Get (0));
//
// Now, create the right side.
//
NodeContainer nodesRight;
nodesRight.Create (4);
CsmaHelper csmaRight;
csmaRight.SetChannelAttribute ("DataRate", DataRateValue (5000000));
csmaRight.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
NetDeviceContainer devicesRight = csmaRight.Install (nodesRight);
InternetStackHelper internetRight;
internetRight.Install (nodesRight);
Ipv4AddressHelper ipv4Right;
ipv4Right.SetBase ("10.1.3.0", "255.255.255.0");
Ipv4InterfaceContainer interfacesRight = ipv4Right.Assign (devicesRight);
//
// Stick in the point-to-point line between the sides.
//
PointToPointHelper p2p;
p2p.SetDeviceAttribute ("DataRate", StringValue ("512kbps"));
p2p.SetChannelAttribute ("Delay", StringValue ("10ms"));
NodeContainer nodes = NodeContainer (nodesLeft.Get (3), nodesRight.Get (0));
NetDeviceContainer devices = p2p.Install (nodes);
Ipv4AddressHelper ipv4;
ipv4.SetBase ("10.1.2.0", "255.255.255.192");
Ipv4InterfaceContainer interfaces = ipv4.Assign (devices);
//
// Simulate some CBR traffic over the point-to-point link
//
uint16_t port = 9; // Discard port (RFC 863)
OnOffHelper onoff ("ns3::UdpSocketFactory", InetSocketAddress (interfaces.GetAddress (1), port));
onoff.SetConstantRate (DataRate ("500kb/s"));
ApplicationContainer apps = onoff.Install (nodesLeft.Get (3));
apps.Start (Seconds (1.0));
// Create a packet sink to receive these packets
PacketSinkHelper sink ("ns3::UdpSocketFactory", InetSocketAddress (Ipv4Address::GetAny (), port));
apps = sink.Install (nodesRight.Get (0));
apps.Start (Seconds (1.0));
wifiPhy.EnablePcapAll ("tap-wifi-dumbbell");
csmaRight.EnablePcapAll ("tap-wifi-dumbbell", false);
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
Simulator::Stop (Seconds (60.));
Simulator::Run ();
Simulator::Destroy ();
}
void
EpcS1uDlTestCase::DoRun ()
{
Ptr<PointToPointEpcHelper> epcHelper = CreateObject<PointToPointEpcHelper> ();
Ptr<Node> pgw = epcHelper->GetPgwNode ();
// allow jumbo packets
Config::SetDefault ("ns3::CsmaNetDevice::Mtu", UintegerValue (30000));
Config::SetDefault ("ns3::PointToPointNetDevice::Mtu", UintegerValue (30000));
epcHelper->SetAttribute ("S1uLinkMtu", UintegerValue (30000));
// Create a single RemoteHost
NodeContainer remoteHostContainer;
remoteHostContainer.Create (1);
Ptr<Node> remoteHost = remoteHostContainer.Get (0);
InternetStackHelper internet;
internet.Install (remoteHostContainer);
// Create the internet
PointToPointHelper p2ph;
p2ph.SetDeviceAttribute ("DataRate", DataRateValue (DataRate ("100Gb/s")));
NetDeviceContainer internetDevices = p2ph.Install (pgw, remoteHost);
Ipv4AddressHelper ipv4h;
ipv4h.SetBase ("1.0.0.0", "255.0.0.0");
ipv4h.Assign (internetDevices);
// setup default gateway for the remote hosts
Ipv4StaticRoutingHelper ipv4RoutingHelper;
Ptr<Ipv4StaticRouting> remoteHostStaticRouting = ipv4RoutingHelper.GetStaticRouting (remoteHost->GetObject<Ipv4> ());
// hardcoded UE addresses for now
remoteHostStaticRouting->AddNetworkRouteTo (Ipv4Address ("7.0.0.0"), Ipv4Mask ("255.255.255.0"), 1);
NodeContainer enbs;
uint16_t cellIdCounter = 0;
for (std::vector<EnbDlTestData>::iterator enbit = m_enbDlTestData.begin ();
enbit < m_enbDlTestData.end ();
++enbit)
{
Ptr<Node> enb = CreateObject<Node> ();
enbs.Add (enb);
// we test EPC without LTE, hence we use:
// 1) a CSMA network to simulate the cell
// 2) a raw socket opened on the CSMA device to simulate the LTE socket
uint16_t cellId = ++cellIdCounter;
NodeContainer ues;
ues.Create (enbit->ues.size ());
NodeContainer cell;
cell.Add (ues);
cell.Add (enb);
CsmaHelper csmaCell;
NetDeviceContainer cellDevices = csmaCell.Install (cell);
// the eNB's CSMA NetDevice acting as an LTE NetDevice.
Ptr<NetDevice> enbDevice = cellDevices.Get (cellDevices.GetN () - 1);
// Note that the EpcEnbApplication won't care of the actual NetDevice type
epcHelper->AddEnb (enb, enbDevice, cellId);
// Plug test RRC entity
Ptr<EpcEnbApplication> enbApp = enb->GetApplication (0)->GetObject<EpcEnbApplication> ();
NS_ASSERT_MSG (enbApp != 0, "cannot retrieve EpcEnbApplication");
Ptr<EpcTestRrc> rrc = CreateObject<EpcTestRrc> ();
rrc->SetS1SapProvider (enbApp->GetS1SapProvider ());
enbApp->SetS1SapUser (rrc->GetS1SapUser ());
// we install the IP stack on UEs only
InternetStackHelper internet;
internet.Install (ues);
// assign IP address to UEs, and install applications
for (uint32_t u = 0; u < ues.GetN (); ++u)
{
Ptr<NetDevice> ueLteDevice = cellDevices.Get (u);
Ipv4InterfaceContainer ueIpIface = epcHelper->AssignUeIpv4Address (NetDeviceContainer (ueLteDevice));
Ptr<Node> ue = ues.Get (u);
// disable IP Forwarding on the UE. This is because we use
// CSMA broadcast MAC addresses for this test. The problem
// won't happen with a LteUeNetDevice.
ue->GetObject<Ipv4> ()->SetAttribute ("IpForward", BooleanValue (false));
uint16_t port = 1234;
PacketSinkHelper packetSinkHelper ("ns3::UdpSocketFactory", InetSocketAddress (Ipv4Address::GetAny (), port));
ApplicationContainer apps = packetSinkHelper.Install (ue);
apps.Start (Seconds (1.0));
apps.Stop (Seconds (10.0));
enbit->ues[u].serverApp = apps.Get (0)->GetObject<PacketSink> ();
Time interPacketInterval = Seconds (0.01);
UdpEchoClientHelper client (ueIpIface.GetAddress (0), port);
client.SetAttribute ("MaxPackets", UintegerValue (enbit->ues[u].numPkts));
client.SetAttribute ("Interval", TimeValue (interPacketInterval));
client.SetAttribute ("PacketSize", UintegerValue (enbit->ues[u].pktSize));
apps = client.Install (remoteHost);
apps.Start (Seconds (2.0));
apps.Stop (Seconds (10.0));
enbit->ues[u].clientApp = apps.Get (0);
uint64_t imsi = u+1;
epcHelper->AddUe (ueLteDevice, imsi);
epcHelper->ActivateEpsBearer (ueLteDevice, imsi, EpcTft::Default (), EpsBearer (EpsBearer::NGBR_VIDEO_TCP_DEFAULT));
enbApp->GetS1SapProvider ()->InitialUeMessage (imsi, (uint16_t) imsi);
}
}
Simulator::Run ();
for (std::vector<EnbDlTestData>::iterator enbit = m_enbDlTestData.begin ();
enbit < m_enbDlTestData.end ();
++enbit)
{
for (std::vector<UeDlTestData>::iterator ueit = enbit->ues.begin ();
ueit < enbit->ues.end ();
++ueit)
{
NS_TEST_ASSERT_MSG_EQ (ueit->serverApp->GetTotalRx (), (ueit->numPkts) * (ueit->pktSize), "wrong total received bytes");
}
}
Simulator::Destroy ();
}
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 ("CsmaMulticastExample", LOG_LEVEL_INFO);
//
// Set up default values for the simulation.
//
// Select DIX/Ethernet II-style encapsulation (no LLC/Snap header)
Config::SetDefault ("ns3::CsmaNetDevice::EncapsulationMode", StringValue ("Dix"));
// Allow the user to override any of the defaults at
// run-time, via command-line arguments
CommandLine cmd;
cmd.Parse (argc, argv);
NS_LOG_INFO ("Create nodes.");
NodeContainer c;
c.Create (5);
// We will later want two subcontainers of these nodes, for the two LANs
NodeContainer c0 = NodeContainer (c.Get (0), c.Get (1), c.Get (2));
NodeContainer c1 = NodeContainer (c.Get (2), c.Get (3), c.Get (4));
NS_LOG_INFO ("Build Topology.");
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", DataRateValue (DataRate (5000000)));
csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
// We will use these NetDevice containers later, for IP addressing
NetDeviceContainer nd0 = csma.Install (c0); // First LAN
NetDeviceContainer nd1 = csma.Install (c1); // Second LAN
NS_LOG_INFO ("Add IP Stack.");
InternetStackHelper internet;
internet.Install (c);
NS_LOG_INFO ("Assign IP Addresses.");
Ipv4AddressHelper ipv4Addr;
ipv4Addr.SetBase ("10.1.1.0", "255.255.255.0");
ipv4Addr.Assign (nd0);
ipv4Addr.SetBase ("10.1.2.0", "255.255.255.0");
ipv4Addr.Assign (nd1);
NS_LOG_INFO ("Configure multicasting.");
//
// Now we can configure multicasting. As described above, the multicast
// source is at node zero, which we assigned the IP address of 10.1.1.1
// earlier. We need to define a multicast group to send packets to. This
// can be any multicast address from 224.0.0.0 through 239.255.255.255
// (avoiding the reserved routing protocol addresses).
//
Ipv4Address multicastSource ("10.1.1.1");
Ipv4Address multicastGroup ("225.1.2.4");
// Now, we will set up multicast routing. We need to do three things:
// 1) Configure a (static) multicast route on node n2
// 2) Set up a default multicast route on the sender n0
// 3) Have node n4 join the multicast group
// We have a helper that can help us with static multicast
Ipv4StaticRoutingHelper multicast;
// 1) Configure a (static) multicast route on node n2 (multicastRouter)
Ptr<Node> multicastRouter = c.Get (2); // The node in question
Ptr<NetDevice> inputIf = nd0.Get (2); // The input NetDevice
NetDeviceContainer outputDevices; // A container of output NetDevices
outputDevices.Add (nd1.Get (0)); // (we only need one NetDevice here)
multicast.AddMulticastRoute (multicastRouter, multicastSource,
multicastGroup, inputIf, outputDevices);
// 2) Set up a default multicast route on the sender n0
Ptr<Node> sender = c.Get (0);
Ptr<NetDevice> senderIf = nd0.Get (0);
multicast.SetDefaultMulticastRoute (sender, senderIf);
//
// Create an OnOff application to send UDP datagrams from node zero to the
// multicast group (node four will be listening).
//
NS_LOG_INFO ("Create Applications.");
uint16_t multicastPort = 9; // Discard port (RFC 863)
// Configure a multicast packet generator that generates a packet
// every few seconds
OnOffHelper onoff ("ns3::UdpSocketFactory",
Address (InetSocketAddress (multicastGroup, multicastPort)));
onoff.SetConstantRate (DataRate ("255b/s"));
onoff.SetAttribute ("PacketSize", UintegerValue (128));
ApplicationContainer srcC = onoff.Install (c0.Get (0));
//
// Tell the application when to start and stop.
//
srcC.Start (Seconds (1.));
srcC.Stop (Seconds (10.));
// Create an optional packet sink to receive these packets
PacketSinkHelper sink ("ns3::UdpSocketFactory",
InetSocketAddress (Ipv4Address::GetAny (), multicastPort));
ApplicationContainer sinkC = sink.Install (c1.Get (2)); // Node n4
// Start the sink
sinkC.Start (Seconds (1.0));
sinkC.Stop (Seconds (10.0));
NS_LOG_INFO ("Configure Tracing.");
//
// Configure tracing of all enqueue, dequeue, and NetDevice receive events.
// Ascii trace output will be sent to the file "csma-multicast.tr"
//
AsciiTraceHelper ascii;
csma.EnableAsciiAll (ascii.CreateFileStream ("csma-multicast.tr"));
// Also configure some tcpdump traces; each interface will be traced.
// The output files will be named:
// csma-multicast-<nodeId>-<interfaceId>.pcap
// and can be read by the "tcpdump -r" command (use "-tt" option to
// display timestamps correctly)
csma.EnablePcapAll ("csma-multicast", false);
//
// Now, do the actual simulation.
//
NS_LOG_INFO ("Run Simulation.");
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Done.");
}
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 ("CsmaBridgeOneHopExample", LOG_LEVEL_INFO);
#endif
//
// Allow the user to override any of the defaults and the above Bind() at
// run-time, via command-line arguments
//
CommandLine cmd;
cmd.Parse (argc, argv);
//
// Explicitly create the nodes required by the topology (shown above).
//
NS_LOG_INFO ("Create nodes.");
Ptr<Node> n0 = CreateObject<Node> ();
Ptr<Node> n1 = CreateObject<Node> ();
Ptr<Node> n2 = CreateObject<Node> ();
Ptr<Node> n3 = CreateObject<Node> ();
Ptr<Node> n4 = CreateObject<Node> ();
Ptr<Node> bridge1 = CreateObject<Node> ();
Ptr<Node> bridge2 = CreateObject<Node> ();
NS_LOG_INFO ("Build Topology");
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", DataRateValue (5000000));
csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
// Create the csma links, from each terminal to the bridge
// This will create six network devices; we'll keep track separately
// of the devices on and off the bridge respectively, for later configuration
NetDeviceContainer topLanDevices;
NetDeviceContainer topBridgeDevices;
// It is easier to iterate the nodes in C++ if we put them into a container
NodeContainer topLan (n2, n0, n1);
for (int i = 0; i < 3; i++)
{
// install a csma channel between the ith toplan node and the bridge node
NetDeviceContainer link = csma.Install (NodeContainer (topLan.Get (i), bridge1));
topLanDevices.Add (link.Get (0));
topBridgeDevices.Add (link.Get (1));
}
//
// Now, Create the bridge netdevice, which will do the packet switching. The
// bridge lives on the node bridge1 and bridges together the topBridgeDevices
// which are the three CSMA net devices on the node in the diagram above.
//
BridgeHelper bridge;
bridge.Install (bridge1, topBridgeDevices);
// Add internet stack to the router nodes
NodeContainer routerNodes (n0, n1, n2, n3, n4);
InternetStackHelper internet;
internet.Install (routerNodes);
// Repeat for bottom bridged LAN
NetDeviceContainer bottomLanDevices;
NetDeviceContainer bottomBridgeDevices;
NodeContainer bottomLan (n2, n3, n4);
for (int i = 0; i < 3; i++)
{
NetDeviceContainer link = csma.Install (NodeContainer (bottomLan.Get (i), bridge2));
bottomLanDevices.Add (link.Get (0));
bottomBridgeDevices.Add (link.Get (1));
}
bridge.Install (bridge2, bottomBridgeDevices);
// We've got the "hardware" in place. Now we need to add IP addresses.
NS_LOG_INFO ("Assign IP Addresses.");
Ipv4AddressHelper ipv4;
ipv4.SetBase ("10.1.1.0", "255.255.255.0");
ipv4.Assign (topLanDevices);
ipv4.SetBase ("10.1.2.0", "255.255.255.0");
ipv4.Assign (bottomLanDevices);
//
// Create router nodes, initialize routing database and set up the routing
// tables in the nodes. We excuse the bridge nodes from having to serve as
// routers, since they don't even have internet stacks on them.
//
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
//
// Create an OnOff application to send UDP datagrams from node zero to node 1.
//
NS_LOG_INFO ("Create Applications.");
uint16_t port = 9; // Discard port (RFC 863)
OnOffHelper onoff ("ns3::UdpSocketFactory",
Address (InetSocketAddress (Ipv4Address ("10.1.1.3"), port)));
onoff.SetConstantRate (DataRate ("500kb/s"));
ApplicationContainer app = onoff.Install (n0);
// Start the application
app.Start (Seconds (1.0));
app.Stop (Seconds (10.0));
// Create an optional packet sink to receive these packets
PacketSinkHelper sink ("ns3::UdpSocketFactory",
Address (InetSocketAddress (Ipv4Address::GetAny (), port)));
ApplicationContainer sink1 = sink.Install (n1);
sink1.Start (Seconds (1.0));
sink1.Stop (Seconds (10.0));
//
// Create a similar flow from n3 to n0, starting at time 1.1 seconds
//
onoff.SetAttribute ("Remote",
AddressValue (InetSocketAddress (Ipv4Address ("10.1.1.2"), port)));
ApplicationContainer app2 = onoff.Install (n3);
app2.Start (Seconds (1.1));
app2.Stop (Seconds (10.0));
ApplicationContainer sink2 = sink.Install (n0);
sink2.Start (Seconds (1.1));
sink2.Stop (Seconds (10.0));
NS_LOG_INFO ("Configure Tracing.");
//
// Configure tracing of all enqueue, dequeue, and NetDevice receive events.
// Trace output will be sent to the file "csma-bridge-one-hop.tr"
//
AsciiTraceHelper ascii;
csma.EnableAsciiAll (ascii.CreateFileStream ("csma-bridge-one-hop.tr"));
//
// Also configure some tcpdump traces; each interface will be traced.
// The output files will be named:
// csma-bridge-one-hop-<nodeId>-<interfaceId>.pcap
// and can be read by the "tcpdump -r" command (use "-tt" option to
// display timestamps correctly)
//
csma.EnablePcapAll ("csma-bridge-one-hop", false);
//
// Now, do the actual simulation.
//
NS_LOG_INFO ("Run Simulation.");
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Done.");
}
int main (int argc, char** argv)
{
bool verbose = false;
CommandLine cmd;
cmd.AddValue ("verbose", "turn on log components", verbose);
cmd.Parse (argc, argv);
if (verbose)
{
LogComponentEnable ("Ipv6L3Protocol", LOG_LEVEL_ALL);
LogComponentEnable ("Icmpv6L4Protocol", LOG_LEVEL_ALL);
LogComponentEnable ("Ipv6StaticRouting", LOG_LEVEL_ALL);
LogComponentEnable ("Ipv6Interface", LOG_LEVEL_ALL);
LogComponentEnable ("Ping6Application", LOG_LEVEL_ALL);
}
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 d1 = csma.Install (net1);
NetDeviceContainer d2 = csma.Install (net2);
NS_LOG_INFO ("Create networks and assign IPv6 Addresses.");
Ipv6AddressHelper ipv6;
ipv6.SetBase (Ipv6Address ("2001:1::"), Ipv6Prefix (64));
Ipv6InterfaceContainer i1 = ipv6.Assign (d1);
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);
Ipv6StaticRoutingHelper routingHelper;
Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper> (&std::cout);
routingHelper.PrintRoutingTableAt (Seconds (0), n0, routingStream);
/* Create a Ping6 application to send ICMPv6 echo request from n0 to n1 via r */
uint32_t packetSize = 4096;
uint32_t maxPacketCount = 5;
Time interPacketInterval = Seconds (1.0);
Ping6Helper ping6;
ping6.SetLocal (i1.GetAddress (0, 1));
ping6.SetRemote (i2.GetAddress (1, 1));
ping6.SetAttribute ("MaxPackets", UintegerValue (maxPacketCount));
ping6.SetAttribute ("Interval", TimeValue (interPacketInterval));
ping6.SetAttribute ("PacketSize", UintegerValue (packetSize));
ApplicationContainer apps = ping6.Install (net1.Get (0));
apps.Start (Seconds (2.0));
apps.Stop (Seconds (20.0));
AsciiTraceHelper ascii;
csma.EnableAsciiAll (ascii.CreateFileStream ("fragmentation-ipv6.tr"));
csma.EnablePcapAll (std::string ("fragmentation-ipv6"), true);
NS_LOG_INFO ("Run Simulation.");
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Done.");
}
