void
FlameRegressionTest::CreateDevices ()
{
int64_t streamsUsed = 0;
// 1. setup WiFi
YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
// This test suite output was originally based on YansErrorRateModel
wifiPhy.SetErrorRateModel ("ns3::YansErrorRateModel");
YansWifiChannelHelper wifiChannel = YansWifiChannelHelper::Default ();
Ptr<YansWifiChannel> chan = wifiChannel.Create ();
wifiPhy.SetChannel (chan);
// 2. setup mesh
MeshHelper mesh = MeshHelper::Default ();
mesh.SetStackInstaller ("ns3::FlameStack");
mesh.SetMacType ("RandomStart", TimeValue (Seconds (0.1)));
mesh.SetNumberOfInterfaces (1);
NetDeviceContainer meshDevices = mesh.Install (wifiPhy, *m_nodes);
// Three devices, two streams per device
streamsUsed += mesh.AssignStreams (meshDevices, streamsUsed);
NS_TEST_ASSERT_MSG_EQ (streamsUsed, (meshDevices.GetN () * 2), "Stream assignment unexpected value");
streamsUsed += wifiChannel.AssignStreams (chan, streamsUsed);
NS_TEST_ASSERT_MSG_EQ (streamsUsed, (meshDevices.GetN () * 2), "Stream assignment unexpected value");
// 3. setup TCP/IP
InternetStackHelper internetStack;
internetStack.Install (*m_nodes);
Ipv4AddressHelper address;
address.SetBase ("10.1.1.0", "255.255.255.0");
m_interfaces = address.Assign (meshDevices);
// 4. write PCAP if needed
wifiPhy.EnablePcapAll (CreateTempDirFilename (PREFIX));
}
int
main (int argc, char *argv[])
{
NodeContainer nodes;
nodes.Create (2);
PointToPointHelper pointToPoint;
NetDeviceContainer devices;
devices = pointToPoint.Install (nodes);
InternetStackHelper stack;
stack.Install (nodes);
Ipv4AddressHelper address;
address.SetBase ("10.1.1.0", "255.255.255.252");
Ipv4InterfaceContainer interfaces = address.Assign (devices);
uint16_t sinkPort = 8080;
Address sinkAddress (InetSocketAddress (interfaces.GetAddress (1), sinkPort));
Ptr<PacketSink> receiverApplication = CreateObject<PacketSink> ();
receiverApplication->SetAttribute ("Local", AddressValue (InetSocketAddress (Ipv4Address::GetAny(), 8080)));
receiverApplication->SetAttribute ("Protocol", TypeIdValue(TcpSocketFactory::GetTypeId()));
receiverApplication->TraceConnectWithoutContext ("Rx", MakeCallback (&CountRx));
nodes.Get(1)->AddApplication(receiverApplication);
Ptr<MyApp> app = CreateObject<MyApp> (nodes.Get (0), sinkAddress);
nodes.Get (0)->AddApplication (app);
Simulator::Stop ();
Simulator::Run ();
Simulator::Destroy ();
return 0;
}
int main (int argc, char *argv[])
{
#ifdef NS3_CLICK
NodeContainer csmaNodes;
csmaNodes.Create (2);
// Setup CSMA channel between the nodes
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", DataRateValue (DataRate (5000000)));
csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
NetDeviceContainer csmaDevices = csma.Install (csmaNodes);
// Install normal internet stack on node B
InternetStackHelper internet;
internet.Install (csmaNodes.Get (1));
// Install Click on node A
ClickInternetStackHelper clickinternet;
clickinternet.SetClickFile (csmaNodes.Get (0), "src/click/examples/nsclick-lan-single-interface.click");
clickinternet.SetRoutingTableElement (csmaNodes.Get (0), "rt");
clickinternet.Install (csmaNodes.Get (0));
// Configure IP addresses for the nodes
Ipv4AddressHelper ipv4;
ipv4.SetBase ("172.16.1.0", "255.255.255.0");
ipv4.Assign (csmaDevices);
// Configure traffic application and sockets
Address LocalAddress (InetSocketAddress (Ipv4Address::GetAny (), 50000));
PacketSinkHelper packetSinkHelper ("ns3::TcpSocketFactory", LocalAddress);
ApplicationContainer recvapp = packetSinkHelper.Install (csmaNodes.Get (1));
recvapp.Start (Seconds (5.0));
recvapp.Stop (Seconds (10.0));
OnOffHelper onOffHelper ("ns3::TcpSocketFactory", Address ());
onOffHelper.SetAttribute ("OnTime", StringValue ("ns3::ConstantRandomVariable[Constant=1]"));
onOffHelper.SetAttribute ("OffTime", StringValue ("ns3::ConstantRandomVariable[Constant=0]"));
ApplicationContainer appcont;
AddressValue remoteAddress (InetSocketAddress (Ipv4Address ("172.16.1.2"), 50000));
onOffHelper.SetAttribute ("Remote", remoteAddress);
appcont.Add (onOffHelper.Install (csmaNodes.Get (0)));
appcont.Start (Seconds (5.0));
appcont.Stop (Seconds (10.0));
// For tracing
csma.EnablePcap ("nsclick-simple-lan", csmaDevices, false);
Simulator::Stop (Seconds (20.0));
Simulator::Run ();
Simulator::Destroy ();
return 0;
#else
NS_FATAL_ERROR ("Can't use ns-3-click without NSCLICK compiled in");
#endif
}
//
// Network topology
// (sender) (receiver)
// n0 n1 n2 n3
// | | | |
// =====================
//
// Node n0 sends data to node n3 over a raw IP socket. The protocol
// number used is 2.
//
void
CsmaRawIpSocketTestCase::DoRun (void)
{
// Here, we will explicitly create four nodes.
NodeContainer c;
c.Create (4);
// connect all our nodes to a shared channel.
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.
InternetStackHelper ipStack;
ipStack.Install (c);
// assign ip addresses
Ipv4AddressHelper ip;
ip.SetBase ("192.168.1.0", "255.255.255.0");
Ipv4InterfaceContainer addresses = ip.Assign (devs);
// IP protocol configuration
//
// Make packets be sent about every DefaultPacketSize / DataRate =
// 4096 bits / (5000 bits/second) = 0.82 second.
Config::SetDefault ("ns3::Ipv4RawSocketImpl::Protocol", StringValue ("2"));
InetSocketAddress dst = InetSocketAddress (addresses.GetAddress (3));
OnOffHelper onoff = OnOffHelper ("ns3::Ipv4RawSocketFactory", dst);
onoff.SetConstantRate (DataRate (5000));
ApplicationContainer apps = onoff.Install (c.Get (0));
apps.Start (Seconds (1.0));
apps.Stop (Seconds (10.0));
PacketSinkHelper sink = PacketSinkHelper ("ns3::Ipv4RawSocketFactory", dst);
apps = sink.Install (c.Get (3));
apps.Start (Seconds (0.0));
apps.Stop (Seconds (12.0));
// Trace receptions
Config::ConnectWithoutContext ("/NodeList/3/ApplicationList/0/$ns3::PacketSink/Rx",
MakeCallback (&CsmaRawIpSocketTestCase::SinkRx, this));
Simulator::Run ();
Simulator::Destroy ();
// We should have sent and received 10 packets
NS_TEST_ASSERT_MSG_EQ (m_count, 10, "Node 3 should have received 10 packets");
}
void
AodvExample::InstallInternetStack ()
{
AodvHelper aodv;
// you can configure AODV attributes here using aodv.Set(name, value)
InternetStackHelper stack;
stack.SetRoutingHelper (aodv); // has effect on the next Install ()
stack.Install (nodes);
Ipv4AddressHelper address;
address.SetBase ("10.0.0.0", "255.0.0.0");
interfaces = address.Assign (devices);
if (printRoutes)
{
Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper> ("aodv.routes", std::ios::out);
aodv.PrintRoutingTableAllAt (Seconds (8), routingStream);
}
}
int
main (int argc, char *argv[])
{
Time::SetResolution (Time::NS);
LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_INFO);
LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_INFO);
NodeContainer nodes;
nodes.Create (2);
PointToPointHelper pointToPoint;
pointToPoint.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
pointToPoint.SetChannelAttribute ("Delay", StringValue ("2ms"));
NetDeviceContainer devices;
devices = pointToPoint.Install (nodes);
InternetStackHelper stack;
stack.Install (nodes);
Ipv4AddressHelper address;
address.SetBase ("10.1.1.0", "255.255.255.0");
Ipv4InterfaceContainer interfaces = address.Assign (devices);
UdpEchoServerHelper echoServer (9);
ApplicationContainer serverApps = echoServer.Install (nodes.Get (1));
serverApps.Start (Seconds (1.0));
serverApps.Stop (Seconds (10.0));
UdpEchoClientHelper echoClient (interfaces.GetAddress (1), 9);
echoClient.SetAttribute ("MaxPackets", UintegerValue (1));
echoClient.SetAttribute ("Interval", TimeValue (Seconds (1.0)));
echoClient.SetAttribute ("PacketSize", UintegerValue (1024));
ApplicationContainer clientApps = echoClient.Install (nodes.Get (0));
clientApps.Start (Seconds (2.0));
clientApps.Stop (Seconds (10.0));
Simulator::Run ();
Simulator::Destroy ();
return 0;
}
// Network topology (default)
//
// n2 + + n3 .
// | ... |\ /| ... | .
// ======= \ / ======= .
// CSMA \ / CSMA .
// \ / .
// n1 +--- n0 ---+ n4 .
// | ... | / \ | ... | .
// ======= / \ ======= .
// CSMA / \ CSMA .
// / \ .
// n6 + + n5 .
// | ... | | ... | .
// ======= ======= .
// CSMA CSMA .
//
void
CsmaStarTestCase::DoRun (void)
{
//
// Default number of nodes in the star.
//
uint32_t nSpokes = 7;
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", StringValue ("100Mbps"));
csma.SetChannelAttribute ("Delay", StringValue ("1ms"));
CsmaStarHelper star (nSpokes, csma);
NodeContainer fillNodes;
//
// Just to be nasy, hang some more nodes off of the CSMA channel for each
// spoke, so that there are a total of 16 nodes on each channel. Stash
// all of these new devices into a container.
//
NetDeviceContainer fillDevices;
uint32_t nFill = 14;
for (uint32_t i = 0; i < star.GetSpokeDevices ().GetN (); ++i)
{
Ptr<Channel> channel = star.GetSpokeDevices ().Get (i)->GetChannel ();
Ptr<CsmaChannel> csmaChannel = channel->GetObject<CsmaChannel> ();
NodeContainer newNodes;
newNodes.Create (nFill);
fillNodes.Add (newNodes);
fillDevices.Add (csma.Install (newNodes, csmaChannel));
}
InternetStackHelper internet;
star.InstallStack (internet);
internet.Install (fillNodes);
star.AssignIpv4Addresses (Ipv4AddressHelper ("10.1.0.0", "255.255.255.0"));
//
// We assigned addresses to the logical hub and the first "drop" of the
// CSMA network that acts as the spoke, but we also have a number of fill
// devices (nFill) also hanging off the CSMA network. We have got to
// assign addresses to them as well. We put all of the fill devices into
// a single device container, so the first nFill devices are associated
// with the channel connected to spokeDevices.Get (0), the second nFill
// devices afe associated with the channel connected to spokeDevices.Get (1)
// etc.
//
Ipv4AddressHelper address;
for(uint32_t i = 0; i < star.SpokeCount (); ++i)
{
std::ostringstream subnet;
subnet << "10.1." << i << ".0";
address.SetBase (subnet.str ().c_str (), "255.255.255.0", "0.0.0.3");
for (uint32_t j = 0; j < nFill; ++j)
{
address.Assign (fillDevices.Get (i * nFill + j));
}
}
//
// 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.
//
// Make packets be sent about every DefaultPacketSize / DataRate =
// 4096 bits / (5000 bits/second) = 0.82 second.
OnOffHelper onOffHelper ("ns3::TcpSocketFactory", Address ());
onOffHelper.SetConstantRate (DataRate (5000));
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));
//
// Because we are evil, we also add OnOff applications to send TCP to the hub
// from the fill devices on each CSMA link. The first nFill nodes in the
// fillNodes container are on the CSMA network talking to the zeroth device
// on the hub node. The next nFill nodes are on the CSMA network talking to
// the first device on the hub node, etc. So the ith fillNode is associated
// with the hub address found on the (i / nFill)th device on the hub node.
//
ApplicationContainer fillApps;
for (uint32_t i = 0; i < fillNodes.GetN (); ++i)
{
AddressValue remoteAddress (InetSocketAddress (star.GetHubIpv4Address (i / nFill), port));
onOffHelper.SetAttribute ("Remote", remoteAddress);
fillApps.Add (onOffHelper.Install (fillNodes.Get (i)));
}
fillApps.Start (Seconds (1.0));
fillApps.Stop (Seconds (10.0));
//
// Turn on global static routing so we can actually be routed across the star.
//
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
// Trace receptions
Config::ConnectWithoutContext ("/NodeList/0/ApplicationList/*/$ns3::PacketSink/Rx",
MakeCallback (&CsmaStarTestCase::SinkRx, this));
Simulator::Run ();
Simulator::Destroy ();
// The hub node should have received 10 packets from the nFill + 1
// nodes on each spoke.
NS_TEST_ASSERT_MSG_EQ (m_count, 10 * ( nSpokes * (nFill + 1)), "Hub node did not receive the proper number of packets");
}
// Network topology
//
// n0 n1
// | |
// ----------
// | Switch |
// ----------
// | |
// n2 n3
//
// - CBR/UDP test flow from n0 to n1; test that packets received on n1
//
void
CsmaBridgeTestCase::DoRun (void)
{
NodeContainer terminals;
terminals.Create (4);
NodeContainer csmaSwitch;
csmaSwitch.Create (1);
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", DataRateValue (5000000));
csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
NetDeviceContainer terminalDevices;
NetDeviceContainer switchDevices;
for (int i = 0; i < 4; i++)
{
NetDeviceContainer link = csma.Install (NodeContainer (terminals.Get (i), csmaSwitch));
terminalDevices.Add (link.Get (0));
switchDevices.Add (link.Get (1));
}
// Create the bridge netdevice, which will do the packet switching
Ptr<Node> switchNode = csmaSwitch.Get (0);
BridgeHelper bridge;
bridge.Install (switchNode, switchDevices);
InternetStackHelper internet;
internet.Install (terminals);
Ipv4AddressHelper ipv4;
ipv4.SetBase ("10.1.1.0", "255.255.255.0");
ipv4.Assign (terminalDevices);
uint16_t port = 9; // Discard port (RFC 863)
// Create the OnOff application to send UDP datagrams from n0 to n1.
//
// Make packets be sent about every DefaultPacketSize / DataRate =
// 4096 bits / (5000 bits/second) = 0.82 second.
OnOffHelper onoff ("ns3::UdpSocketFactory",
Address (InetSocketAddress (Ipv4Address ("10.1.1.2"), port)));
onoff.SetConstantRate (DataRate (5000));
ApplicationContainer app = onoff.Install (terminals.Get (0));
app.Start (Seconds (1.0));
app.Stop (Seconds (10.0));
PacketSinkHelper sink ("ns3::UdpSocketFactory",
Address (InetSocketAddress (Ipv4Address::GetAny (), port)));
app = sink.Install (terminals.Get (1));
app.Start (Seconds (0.0));
// Trace receptions
Config::ConnectWithoutContext ("/NodeList/1/ApplicationList/0/$ns3::PacketSink/Rx", MakeCallback (&CsmaBridgeTestCase::SinkRx, this));
Simulator::Run ();
Simulator::Destroy ();
// We should have sent and received 10 packets
NS_TEST_ASSERT_MSG_EQ (m_count, 10, "Bridge should have passed 10 packets");
}
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.");
}
// Network topology
//
// n0 n1 n2 n3
// | | | |
// =================
// LAN
//
// - CBR/UDP flows from n0 to n1 and from n3 to n0
// - DropTail queues
//
void
CsmaOneSubnetTestCase::DoRun (void)
{
NodeContainer nodes;
nodes.Create (4);
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", DataRateValue (5000000));
csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
//
// Now fill out the topology by creating the net devices required to connect
// the nodes to the channels and hooking them up.
//
NetDeviceContainer devices = csma.Install (nodes);
InternetStackHelper internet;
internet.Install (nodes);
// We've got the "hardware" in place. Now we need to add IP addresses.
//
Ipv4AddressHelper ipv4;
ipv4.SetBase ("10.1.1.0", "255.255.255.0");
Ipv4InterfaceContainer interfaces = ipv4.Assign (devices);
uint16_t port = 9; // Discard port (RFC 863)
//
// Create an OnOff application to send UDP datagrams from node zero
// to node 1.
//
// Make packets be sent about every defaultPacketSize / dataRate =
// 4096 bits / (5000 bits/second) = 0.82 second.
OnOffHelper onoff ("ns3::UdpSocketFactory",
Address (InetSocketAddress (interfaces.GetAddress (1), port)));
onoff.SetConstantRate (DataRate (5000));
ApplicationContainer app = onoff.Install (nodes.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 (nodes.Get (1));
app.Start (Seconds (0.0));
//
// Create a similar flow from n3 to n0, starting at time 1.1 seconds
//
onoff.SetAttribute ("Remote",
AddressValue (InetSocketAddress (interfaces.GetAddress (0), port)));
app = onoff.Install (nodes.Get (3));
app.Start (Seconds (1.1));
app.Stop (Seconds (10.0));
app = sink.Install (nodes.Get (0));
app.Start (Seconds (0.0));
// Trace receptions
Config::ConnectWithoutContext ("/NodeList/0/ApplicationList/1/$ns3::PacketSink/Rx", MakeCallback (&CsmaOneSubnetTestCase::SinkRxNode0, this));
Config::ConnectWithoutContext ("/NodeList/1/ApplicationList/0/$ns3::PacketSink/Rx", MakeCallback (&CsmaOneSubnetTestCase::SinkRxNode1, this));
//
// Now, do the actual simulation.
//
Simulator::Run ();
Simulator::Destroy ();
// We should have sent and received 10 packets
NS_TEST_ASSERT_MSG_EQ (m_countNode0, 10, "Node 0 should have received 10 packets");
NS_TEST_ASSERT_MSG_EQ (m_countNode1, 10, "Node 1 should have received 10 packets");
}
// Test derived from examples/routing/dynamic-global-routing.cc
//
// Network topology
//
// n0
// \ p-p
// \ (shared csma/cd)
// n2 -------------------------n3
// / | |
// / p-p n4 n5 ---------- n6
// n1 p-p
// | |
// ----------------------------------------
// p-p
//
// Test that for node n6, the interface facing n5 receives packets at
// times (1-2), (4-6), (8-10), (11-12), (14-16) and the interface
// facing n1 receives packets at times (2-4), (6-8), (12-13)
//
void
DynamicGlobalRoutingTestCase::DoRun (void)
{
// The below value configures the default behavior of global routing.
// By default, it is disabled. To respond to interface events, set to true
Config::SetDefault ("ns3::Ipv4GlobalRouting::RespondToInterfaceEvents", BooleanValue (true));
NodeContainer c;
c.Create (7);
NodeContainer n0n2 = NodeContainer (c.Get (0), c.Get (2));
NodeContainer n1n2 = NodeContainer (c.Get (1), c.Get (2));
NodeContainer n5n6 = NodeContainer (c.Get (5), c.Get (6));
NodeContainer n1n6 = NodeContainer (c.Get (1), c.Get (6));
NodeContainer n2345 = NodeContainer (c.Get (2), c.Get (3), c.Get (4), c.Get (5));
InternetStackHelper internet;
internet.Install (c);
// We create the channels first without any IP addressing information
PointToPointHelper p2p;
p2p.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
p2p.SetChannelAttribute ("Delay", StringValue ("2ms"));
NetDeviceContainer d0d2 = p2p.Install (n0n2);
NetDeviceContainer d1d6 = p2p.Install (n1n6);
NetDeviceContainer d1d2 = p2p.Install (n1n2);
p2p.SetDeviceAttribute ("DataRate", StringValue ("1500kbps"));
p2p.SetChannelAttribute ("Delay", StringValue ("10ms"));
NetDeviceContainer d5d6 = p2p.Install (n5n6);
// We create the channels first without any IP addressing information
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", StringValue ("5Mbps"));
csma.SetChannelAttribute ("Delay", StringValue ("2ms"));
NetDeviceContainer d2345 = csma.Install (n2345);
// Later, we add 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");
ipv4.Assign (d1d2);
ipv4.SetBase ("10.1.3.0", "255.255.255.0");
Ipv4InterfaceContainer i5i6 = ipv4.Assign (d5d6);
ipv4.SetBase ("10.250.1.0", "255.255.255.0");
ipv4.Assign (d2345);
ipv4.SetBase ("172.16.1.0", "255.255.255.0");
Ipv4InterfaceContainer i1i6 = ipv4.Assign (d1d6);
// Create router nodes, initialize routing database and set up the routing
// tables in the nodes.
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
// Create the OnOff application to send UDP datagrams of size
// 210 bytes at a rate of 448 Kb/s
uint16_t port = 9; // Discard port (RFC 863)
OnOffHelper onoff ("ns3::UdpSocketFactory",
InetSocketAddress (i5i6.GetAddress (1), port));
onoff.SetConstantRate (DataRate ("2kbps"));
onoff.SetAttribute ("PacketSize", UintegerValue (50));
ApplicationContainer apps = onoff.Install (c.Get (1));
apps.Start (Seconds (1.0));
apps.Stop (Seconds (10.0));
// Create a second OnOff application to send UDP datagrams of size
// 210 bytes at a rate of 448 Kb/s
OnOffHelper onoff2 ("ns3::UdpSocketFactory",
InetSocketAddress (i1i6.GetAddress (1), port));
onoff2.SetAttribute ("OnTime", StringValue ("ns3::ConstantRandomVariable[Constant=1]"));
onoff2.SetAttribute ("OffTime", StringValue ("ns3::ConstantRandomVariable[Constant=0]"));
onoff2.SetAttribute ("DataRate", StringValue ("2kbps"));
onoff2.SetAttribute ("PacketSize", UintegerValue (50));
ApplicationContainer apps2 = onoff2.Install (c.Get (1));
apps2.Start (Seconds (11.0));
apps2.Stop (Seconds (16.0));
// Create an optional packet sink to receive these packets
TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory");
Ptr<Socket> sink2 = Socket::CreateSocket (c.Get (6), tid);
sink2->Bind (Address (InetSocketAddress (Ipv4Address::GetAny (), port)));
sink2->Listen ();
sink2->ShutdownSend ();
sink2->SetRecvPktInfo (true);
sink2->SetRecvCallback (MakeCallback (&DynamicGlobalRoutingTestCase::HandleRead, this));
Ptr<Node> n1 = c.Get (1);
Ptr<Ipv4> ipv41 = n1->GetObject<Ipv4> ();
// The first ifIndex is 0 for loopback, then the first p2p is numbered 1,
// then the next p2p is numbered 2
uint32_t ipv4ifIndex1 = 2;
// Trace receptions
Config::Connect ("/NodeList/6/ApplicationList/*/$ns3::PacketSink/Rx",
MakeCallback (&DynamicGlobalRoutingTestCase::SinkRx, this));
Simulator::Schedule (Seconds (2),&Ipv4::SetDown,ipv41, ipv4ifIndex1);
Simulator::Schedule (Seconds (4),&Ipv4::SetUp,ipv41, ipv4ifIndex1);
Ptr<Node> n6 = c.Get (6);
Ptr<Ipv4> ipv46 = n6->GetObject<Ipv4> ();
// The first ifIndex is 0 for loopback, then the first p2p is numbered 1,
// then the next p2p is numbered 2
uint32_t ipv4ifIndex6 = 2;
Simulator::Schedule (Seconds (6),&Ipv4::SetDown,ipv46, ipv4ifIndex6);
Simulator::Schedule (Seconds (8),&Ipv4::SetUp,ipv46, ipv4ifIndex6);
Simulator::Schedule (Seconds (12),&Ipv4::SetDown,ipv41, ipv4ifIndex1);
Simulator::Schedule (Seconds (14),&Ipv4::SetUp,ipv41, ipv4ifIndex1);
Simulator::Run ();
NS_TEST_ASSERT_MSG_EQ (m_count, 68, "Dynamic global routing did not deliver all packets");
// Test that for node n6, the interface facing n5 receives packets at
// times (1-2), (4-6), (8-10), (11-12), (14-16) and the interface
// facing n1 receives packets at times (2-4), (6-8), (12-13)
NS_TEST_ASSERT_MSG_EQ (m_firstInterface[1], 4, "Dynamic global routing did not deliver all packets");
NS_TEST_ASSERT_MSG_EQ (m_secondInterface[2], 5, "Dynamic global routing did not deliver all packets");
NS_TEST_ASSERT_MSG_EQ (m_secondInterface[3], 5, "Dynamic global routing did not deliver all packets");
NS_TEST_ASSERT_MSG_EQ (m_firstInterface[4], 5, "Dynamic global routing did not deliver all packets");
NS_TEST_ASSERT_MSG_EQ (m_firstInterface[5], 5, "Dynamic global routing did not deliver all packets");
NS_TEST_ASSERT_MSG_EQ (m_secondInterface[6], 5, "Dynamic global routing did not deliver all packets");
NS_TEST_ASSERT_MSG_EQ (m_secondInterface[7], 5, "Dynamic global routing did not deliver all packets");
NS_TEST_ASSERT_MSG_EQ (m_firstInterface[8], 5, "Dynamic global routing did not deliver all packets");
NS_TEST_ASSERT_MSG_EQ (m_firstInterface[9], 5, "Dynamic global routing did not deliver all packets");
NS_TEST_ASSERT_MSG_EQ (m_firstInterface[10], 0, "Dynamic global routing did not deliver all packets");
NS_TEST_ASSERT_MSG_EQ (m_firstInterface[11], 4, "Dynamic global routing did not deliver all packets");
NS_TEST_ASSERT_MSG_EQ (m_secondInterface[12], 5, "Dynamic global routing did not deliver all packets");
NS_TEST_ASSERT_MSG_EQ (m_secondInterface[13], 5, "Dynamic global routing did not deliver all packets");
NS_TEST_ASSERT_MSG_EQ (m_firstInterface[14], 5, "Dynamic global routing did not deliver all packets");
NS_TEST_ASSERT_MSG_EQ (m_firstInterface[15], 5, "Dynamic global routing did not deliver all packets");
Simulator::Destroy ();
}
int main (int argc, char *argv[])
{
std::string phyMode ("DsssRate1Mbps");
double rss = -80; // -dBm
uint32_t packetSize = 1000; // bytes
uint32_t numPackets = 1;
double interval = 1.0; // seconds
bool verbose = false;
CommandLine cmd;
cmd.AddValue ("phyMode", "Wifi Phy mode", phyMode);
cmd.AddValue ("rss", "received signal strength", rss);
cmd.AddValue ("packetSize", "size of application packet sent", packetSize);
cmd.AddValue ("numPackets", "number of packets generated", numPackets);
cmd.AddValue ("interval", "interval (seconds) between packets", interval);
cmd.AddValue ("verbose", "turn on all WifiNetDevice log components", verbose);
cmd.Parse (argc, argv);
// Convert to time object
Time interPacketInterval = Seconds (interval);
// disable fragmentation for frames below 2200 bytes
Config::SetDefault ("ns3::WifiRemoteStationManager::FragmentationThreshold", StringValue ("2200"));
// turn off RTS/CTS for frames below 2200 bytes
Config::SetDefault ("ns3::WifiRemoteStationManager::RtsCtsThreshold", StringValue ("2200"));
// Fix non-unicast data rate to be the same as that of unicast
Config::SetDefault ("ns3::WifiRemoteStationManager::NonUnicastMode",
StringValue (phyMode));
NodeContainer c;
c.Create (2);
// The below set of helpers will help us to put together the wifi NICs we want
WifiHelper wifi;
if (verbose)
{
wifi.EnableLogComponents (); // Turn on all Wifi logging
}
wifi.SetStandard (WIFI_PHY_STANDARD_80211b);
YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
// This is one parameter that matters when using FixedRssLossModel
// set it to zero; otherwise, gain will be added
wifiPhy.Set ("RxGain", DoubleValue (0) );
// ns-3 supports RadioTap and Prism tracing extensions for 802.11b
wifiPhy.SetPcapDataLinkType (YansWifiPhyHelper::DLT_IEEE802_11_RADIO);
YansWifiChannelHelper wifiChannel;
wifiChannel.SetPropagationDelay ("ns3::ConstantSpeedPropagationDelayModel");
// The below FixedRssLossModel will cause the rss to be fixed regardless
// of the distance between the two stations, and the transmit power
wifiChannel.AddPropagationLoss ("ns3::FixedRssLossModel","Rss",DoubleValue (rss));
wifiPhy.SetChannel (wifiChannel.Create ());
// Add a non-QoS upper mac, and disable rate control
NqosWifiMacHelper wifiMac = NqosWifiMacHelper::Default ();
wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager",
"DataMode",StringValue (phyMode),
"ControlMode",StringValue (phyMode));
// Set it to adhoc mode
wifiMac.SetType ("ns3::AdhocWifiMac");
NetDeviceContainer devices = wifi.Install (wifiPhy, wifiMac, c);
// Note that with FixedRssLossModel, the positions below are not
// used for received signal strength.
MobilityHelper mobility;
Ptr<ListPositionAllocator> positionAlloc = CreateObject<ListPositionAllocator> ();
positionAlloc->Add (Vector (0.0, 0.0, 0.0));
positionAlloc->Add (Vector (5.0, 0.0, 0.0));
mobility.SetPositionAllocator (positionAlloc);
mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
mobility.Install (c);
InternetStackHelper internet;
internet.Install (c);
Ipv4AddressHelper ipv4;
NS_LOG_INFO ("Assign IP Addresses.");
ipv4.SetBase ("10.1.1.0", "255.255.255.0");
Ipv4InterfaceContainer i = ipv4.Assign (devices);
TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory");
Ptr<Socket> recvSink = Socket::CreateSocket (c.Get (0), tid);
InetSocketAddress local = InetSocketAddress (Ipv4Address::GetAny (), 80);
recvSink->Bind (local);
recvSink->SetRecvCallback (MakeCallback (&ReceivePacket));
Ptr<Socket> source = Socket::CreateSocket (c.Get (1), tid);
InetSocketAddress remote = InetSocketAddress (Ipv4Address ("255.255.255.255"), 80);
source->SetAllowBroadcast (true);
source->Connect (remote);
// Tracing
wifiPhy.EnablePcap ("wifi-simple-adhoc", devices);
// Output what we are doing
NS_LOG_UNCOND ("Testing " << numPackets << " packets sent with receiver rss " << rss );
Simulator::ScheduleWithContext (source->GetNode ()->GetId (),
Seconds (1.0), &GenerateTraffic,
source, packetSize, numPackets, interPacketInterval);
Simulator::Run ();
Simulator::Destroy ();
return 0;
}
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 ();
}
void
Ns3TcpNoDelayTestCase::DoRun (void)
{
uint16_t sinkPort = 50000;
double sinkStopTime = 8; // sec; will trigger Socket::Close
double writerStopTime = 5; // sec; will trigger Socket::Close
double simStopTime = 10; // sec
Time sinkStopTimeObj = Seconds (sinkStopTime);
Time writerStopTimeObj = Seconds (writerStopTime);
Time simStopTimeObj= Seconds (simStopTime);
Ptr<Node> n0 = CreateObject<Node> ();
Ptr<Node> n1 = CreateObject<Node> ();
PointToPointHelper pointToPoint;
pointToPoint.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
pointToPoint.SetChannelAttribute ("Delay", StringValue ("2ms"));
NetDeviceContainer devices;
devices = pointToPoint.Install (n0, n1);
InternetStackHelper internet;
internet.InstallAll ();
Ipv4AddressHelper address;
address.SetBase ("10.1.1.0", "255.255.255.252");
Ipv4InterfaceContainer ifContainer = address.Assign (devices);
Ptr<SocketWriter> socketWriter = CreateObject<SocketWriter> ();
Address sinkAddress (InetSocketAddress (ifContainer.GetAddress (1), sinkPort));
socketWriter->Setup (n0, sinkAddress);
n0->AddApplication (socketWriter);
socketWriter->SetStartTime (Seconds (0.));
socketWriter->SetStopTime (writerStopTimeObj);
PacketSinkHelper sink ("ns3::TcpSocketFactory",
InetSocketAddress (Ipv4Address::GetAny (), sinkPort));
ApplicationContainer apps = sink.Install (n1);
// Start the sink application at time zero, and stop it at sinkStopTime
apps.Start (Seconds (0.0));
apps.Stop (sinkStopTimeObj);
Config::Connect ("/NodeList/*/ApplicationList/*/$ns3::PacketSink/Rx",
MakeCallback (&Ns3TcpNoDelayTestCase::SinkRx, this));
// Enable or disable TCP no delay option
Config::SetDefault ("ns3::TcpSocket::TcpNoDelay", BooleanValue (m_noDelay));
// Connect the socket writer
Simulator::Schedule (Seconds (1), &SocketWriter::Connect, socketWriter);
// Write 5 packets to get some bytes in flight and some acks going
Simulator::Schedule (Seconds (2), &SocketWriter::Write, socketWriter, 2680);
m_inputs.Add (536);
m_inputs.Add (536);
m_inputs.Add (536);
m_inputs.Add (536);
m_inputs.Add (536);
// Write one byte after 10 ms to ensure that some data is outstanding
// and the window is big enough
Simulator::Schedule (Seconds (2.010), &SocketWriter::Write, socketWriter, 1);
// If Nagle is not enabled, i.e. no delay is on, add an input for a 1-byte
// packet to be received
if (m_noDelay)
{
m_inputs.Add (1);
}
// One ms later, write 535 bytes, i.e. one segment size - 1
Simulator::Schedule (Seconds (2.012), &SocketWriter::Write, socketWriter, 535);
// If Nagle is not enabled, add an input for a 535 byte packet,
// otherwise, we should get a single "full" packet of 536 bytes
if (m_noDelay)
{
m_inputs.Add (535);
}
else
{
m_inputs.Add (536);
}
// Close down the socket
Simulator::Schedule (writerStopTimeObj, &SocketWriter::Close, socketWriter);
if (m_writeResults)
{
std::ostringstream oss;
if (m_noDelay)
{
oss << "tcp-no-delay-on-test-case";
pointToPoint.EnablePcapAll (oss.str ());
}
else
{
oss << "tcp-no-delay-off-test-case";
pointToPoint.EnablePcapAll (oss.str ());
}
}
Simulator::Stop (simStopTimeObj);
Simulator::Run ();
Simulator::Destroy ();
// Compare inputs and outputs
NS_TEST_ASSERT_MSG_EQ (m_inputs.GetN (), m_responses.GetN (), "Incorrect number of expected receive events");
for (uint32_t i = 0; i < m_responses.GetN (); i++)
{
uint32_t in = m_inputs.Get (i);
uint32_t out = m_responses.Get (i);
NS_TEST_ASSERT_MSG_EQ (in, out, "Mismatch: expected " << in << " bytes, got " << out << " bytes");
}
}
int main (int argc, char *argv[])
{
uint32_t packetSize = 1000; // Application bytes per packet
double interval = 1.0; // Time between events
uint32_t generationSize = 3; // RLNC generation size
double errorRateEncoderRecoder = 0.4; // Error rate for encoder-recoder link
double errorRateRecoderDecoder = 0.2; // Error rate for recoder-decoder link
bool recodingFlag = true; // Flag to control recoding
Time interPacketInterval = Seconds (interval);
CommandLine cmd;
cmd.AddValue ("packetSize", "Size of application packet sent", packetSize);
cmd.AddValue ("interval", "Interval (seconds) between packets", interval);
cmd.AddValue ("generationSize", "Set the generation size to use",
generationSize);
cmd.AddValue ("errorRateEncoderRecoder",
"Packet erasure rate for the encoder-recoder link",
errorRateEncoderRecoder);
cmd.AddValue ("errorRateRecoderDecoder",
"Packet erasure rate for the recoder-decoder link",
errorRateRecoderDecoder);
cmd.AddValue ("recodingFlag", "Enable packet recoding", recodingFlag);
cmd.Parse (argc, argv);
Time::SetResolution (Time::NS);
// Set the basic helper for a single link
PointToPointHelper pointToPoint;
// Create node containers
NodeContainer nodes;
nodes.Create (3);
NodeContainer encoderRecoder = NodeContainer (nodes.Get (0), nodes.Get (1));
NodeContainer recoderDecoder = NodeContainer (nodes.Get (1), nodes.Get (2));
// Internet stack for the nodes
InternetStackHelper internet;
internet.Install (nodes);
// Create net device containers
NetDeviceContainer encoderRecoderDevs = pointToPoint.Install (encoderRecoder);
NetDeviceContainer recoderDecoderDevs = pointToPoint.Install (recoderDecoder);
NetDeviceContainer devices = NetDeviceContainer (encoderRecoderDevs,
recoderDecoderDevs);
// Set IP addresses
Ipv4AddressHelper ipv4("10.1.1.0", "255.255.255.0");
ipv4.Assign (devices);
// Turn on global static routing so we can actually be routed across the hops
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
// Do pcap tracing on all point-to-point devices on all nodes. File naming
// convention is: multihop-[NODE_NUMBER]-[DEVICE_NUMBER].pcap
pointToPoint.EnablePcapAll ("multihop");
// Set error model for the net devices
Config::SetDefault ("ns3::RateErrorModel::ErrorUnit",
StringValue ("ERROR_UNIT_PACKET"));
Ptr<RateErrorModel> errorEncoderRecoder = CreateObject<RateErrorModel> ();
errorEncoderRecoder->SetAttribute ("ErrorRate",
DoubleValue (errorRateEncoderRecoder));
devices.Get (1)->SetAttribute ("ReceiveErrorModel",
PointerValue (errorEncoderRecoder));
Ptr<RateErrorModel> errorRecoderDecoder = CreateObject<RateErrorModel> ();
errorRecoderDecoder->SetAttribute ("ErrorRate",
DoubleValue (errorRateRecoderDecoder));
devices.Get (3)->SetAttribute ("ReceiveErrorModel",
PointerValue (errorRecoderDecoder));
errorEncoderRecoder->Enable ();
errorRecoderDecoder->Enable ();
// Creation of RLNC encoder and decoder objects
rlnc_encoder::factory encoder_factory(generationSize, packetSize);
rlnc_decoder::factory decoder_factory(generationSize, packetSize);
// The member build function creates differents instances of each object
KodoSimulation kodoSimulator(encoder_factory.build(),
decoder_factory.build(),
decoder_factory.build(),
recodingFlag);
// Setting up application sockets for recoder and decoder
uint16_t port = 80;
TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory");
// Get node Ipv4 addresses
Ipv4Address recoderAddress = nodes.Get (1)->GetObject<Ipv4>()->
GetAddress(1,0).GetLocal();
Ipv4Address decoderAddress = nodes.Get (2)->GetObject<Ipv4>()->
GetAddress(1,0).GetLocal();
// Socket connection addresses
InetSocketAddress recoderSocketAddress = InetSocketAddress (recoderAddress,
port);
InetSocketAddress decoderSocketAddress = InetSocketAddress (decoderAddress,
port);
// Socket bind address
InetSocketAddress local = InetSocketAddress (Ipv4Address::GetAny(), port);
// Encoder
Ptr<Socket> encoderSocket = Socket::CreateSocket (nodes.Get (0), tid);
encoderSocket->Connect (recoderSocketAddress);
// Recoder
Ptr<Socket> recoderSocket = Socket::CreateSocket (nodes.Get (1), tid);
recoderSocket->Bind(local);
recoderSocket->Connect (decoderSocketAddress);
recoderSocket->
SetRecvCallback (MakeCallback (&KodoSimulation::ReceivePacketRecoder,
&kodoSimulator));
// Decoder
Ptr<Socket> decoderSocket = Socket::CreateSocket (nodes.Get (2), tid);
decoderSocket->Bind(local);
decoderSocket->
SetRecvCallback (MakeCallback (&KodoSimulation::ReceivePacketDecoder,
&kodoSimulator));
// Simulation setup
// Schedule encoding process
Simulator::ScheduleWithContext (encoderSocket->GetNode ()->GetId (),
Seconds (1.0),
&KodoSimulation::SendPacketEncoder,
&kodoSimulator, encoderSocket,
interPacketInterval);
Simulator::ScheduleWithContext (recoderSocket->GetNode ()->GetId (),
Seconds (1.5),
&KodoSimulation::SendPacketRecoder,
&kodoSimulator, recoderSocket,
interPacketInterval);
Simulator::Run ();
Simulator::Destroy ();
return 0;
}
int main (int argc, char *argv[])
{
std::string phyMode ("DsssRate1Mbps");
double distance = 500; // m
uint32_t packetSize = 1000; // bytes
uint32_t numPackets = 1;
uint32_t numNodes = 25; // by default, 5x5
uint32_t sinkNode = 0;
uint32_t sourceNode = 24;
double interval = 1.0; // seconds
bool verbose = false;
bool tracing = false;
CommandLine cmd;
cmd.AddValue ("phyMode", "Wifi Phy mode", phyMode);
cmd.AddValue ("distance", "distance (m)", distance);
cmd.AddValue ("packetSize", "size of application packet sent", packetSize);
cmd.AddValue ("numPackets", "number of packets generated", numPackets);
cmd.AddValue ("interval", "interval (seconds) between packets", interval);
cmd.AddValue ("verbose", "turn on all WifiNetDevice log components", verbose);
cmd.AddValue ("tracing", "turn on ascii and pcap tracing", tracing);
cmd.AddValue ("numNodes", "number of nodes", numNodes);
cmd.AddValue ("sinkNode", "Receiver node number", sinkNode);
cmd.AddValue ("sourceNode", "Sender node number", sourceNode);
cmd.Parse (argc, argv);
// Convert to time object
Time interPacketInterval = Seconds (interval);
// disable fragmentation for frames below 2200 bytes
Config::SetDefault ("ns3::WifiRemoteStationManager::FragmentationThreshold", StringValue ("2200"));
// turn off RTS/CTS for frames below 2200 bytes
Config::SetDefault ("ns3::WifiRemoteStationManager::RtsCtsThreshold", StringValue ("2200"));
// Fix non-unicast data rate to be the same as that of unicast
Config::SetDefault ("ns3::WifiRemoteStationManager::NonUnicastMode",
StringValue (phyMode));
NodeContainer c;
c.Create (numNodes);
// The below set of helpers will help us to put together the wifi NICs we want
WifiHelper wifi;
if (verbose)
{
wifi.EnableLogComponents (); // Turn on all Wifi logging
}
YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
// set it to zero; otherwise, gain will be added
wifiPhy.Set ("RxGain", DoubleValue (-10) );
// ns-3 supports RadioTap and Prism tracing extensions for 802.11b
wifiPhy.SetPcapDataLinkType (YansWifiPhyHelper::DLT_IEEE802_11_RADIO);
YansWifiChannelHelper wifiChannel;
wifiChannel.SetPropagationDelay ("ns3::ConstantSpeedPropagationDelayModel");
wifiChannel.AddPropagationLoss ("ns3::FriisPropagationLossModel");
wifiPhy.SetChannel (wifiChannel.Create ());
// Add a non-QoS upper mac, and disable rate control
NqosWifiMacHelper wifiMac = NqosWifiMacHelper::Default ();
wifi.SetStandard (WIFI_PHY_STANDARD_80211b);
wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager",
"DataMode",StringValue (phyMode),
"ControlMode",StringValue (phyMode));
// Set it to adhoc mode
wifiMac.SetType ("ns3::AdhocWifiMac");
NetDeviceContainer devices = wifi.Install (wifiPhy, wifiMac, c);
MobilityHelper mobility;
mobility.SetPositionAllocator ("ns3::GridPositionAllocator",
"MinX", DoubleValue (0.0),
"MinY", DoubleValue (0.0),
"DeltaX", DoubleValue (distance),
"DeltaY", DoubleValue (distance),
"GridWidth", UintegerValue (5),
"LayoutType", StringValue ("RowFirst"));
mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
mobility.Install (c);
// Enable OLSR
OlsrHelper olsr;
Ipv4StaticRoutingHelper staticRouting;
Ipv4ListRoutingHelper list;
list.Add (staticRouting, 0);
list.Add (olsr, 10);
InternetStackHelper internet;
internet.SetRoutingHelper (list); // has effect on the next Install ()
internet.Install (c);
Ipv4AddressHelper ipv4;
NS_LOG_INFO ("Assign IP Addresses.");
ipv4.SetBase ("10.1.1.0", "255.255.255.0");
Ipv4InterfaceContainer i = ipv4.Assign (devices);
TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory");
Ptr<Socket> recvSink = Socket::CreateSocket (c.Get (sinkNode), tid);
InetSocketAddress local = InetSocketAddress (Ipv4Address::GetAny (), 80);
recvSink->Bind (local);
recvSink->SetRecvCallback (MakeCallback (&ReceivePacket));
Ptr<Socket> source = Socket::CreateSocket (c.Get (sourceNode), tid);
InetSocketAddress remote = InetSocketAddress (i.GetAddress (sinkNode, 0), 80);
source->Connect (remote);
if (tracing == true)
{
AsciiTraceHelper ascii;
wifiPhy.EnableAsciiAll (ascii.CreateFileStream ("wifi-simple-adhoc-grid.tr"));
wifiPhy.EnablePcap ("wifi-simple-adhoc-grid", devices);
// Trace routing tables
Ptr<OutputStreamWrapper> routingStream = Create<OutputStreamWrapper> ("wifi-simple-adhoc-grid.routes", std::ios::out);
olsr.PrintRoutingTableAllEvery (Seconds (2), routingStream);
// To do-- enable an IP-level trace that shows forwarding events only
}
// Give OLSR time to converge-- 30 seconds perhaps
Simulator::Schedule (Seconds (30.0), &GenerateTraffic,
source, packetSize, numPackets, interPacketInterval);
// Output what we are doing
NS_LOG_UNCOND ("Testing from node " << sourceNode << " to " << sinkNode << " with grid distance " << distance);
Simulator::Stop (Seconds (32.0));
Simulator::Run ();
Simulator::Destroy ();
return 0;
}
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
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 ();
}
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[])
{
//
// Users may find it convenient to turn on explicit debugging
// for selected modules; the below lines suggest how to do this
//
#if 0
LogComponentEnable ("UdpEchoExample", LOG_LEVEL_INFO);
LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_ALL);
LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_ALL);
#endif
//
// Allow the user to override any of the defaults and the above Bind() at
// run-time, via command-line arguments
//
bool useV6 = false;
Address serverAddress;
CommandLine cmd;
cmd.AddValue ("useIpv6", "Use Ipv6", useV6);
cmd.Parse (argc, argv);
//
// Explicitly create the nodes required by the topology (shown above).
//
NS_LOG_INFO ("Create nodes.");
NodeContainer n;
n.Create (4);
InternetStackHelper internet;
internet.Install (n);
NS_LOG_INFO ("Create channels.");
//
// Explicitly create the channels required by the topology (shown above).
//
CsmaHelper csma;
csma.SetChannelAttribute ("DataRate", DataRateValue (DataRate (5000000)));
csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
csma.SetDeviceAttribute ("Mtu", UintegerValue (1400));
NetDeviceContainer d = csma.Install (n);
//
// We've got the "hardware" in place. Now we need to add IP addresses.
//
NS_LOG_INFO ("Assign IP Addresses.");
if (useV6 == false)
{
Ipv4AddressHelper ipv4;
ipv4.SetBase ("10.1.1.0", "255.255.255.0");
Ipv4InterfaceContainer i = ipv4.Assign (d);
serverAddress = Address(i.GetAddress (1));
}
else
{
Ipv6AddressHelper ipv6;
ipv6.SetBase ("2001:0000:f00d:cafe::", Ipv6Prefix (64));
Ipv6InterfaceContainer i6 = ipv6.Assign (d);
serverAddress = Address(i6.GetAddress (1,1));
}
NS_LOG_INFO ("Create Applications.");
//
// Create a UdpEchoServer application on node one.
//
uint16_t port = 9; // well-known echo port number
UdpEchoServerHelper server (port);
ApplicationContainer apps = server.Install (n.Get (1));
apps.Start (Seconds (1.0));
apps.Stop (Seconds (10.0));
//
// Create a UdpEchoClient application to send UDP datagrams from node zero to
// node one.
//
uint32_t packetSize = 1024;
uint32_t maxPacketCount = 1;
Time interPacketInterval = Seconds (1.);
UdpEchoClientHelper client (serverAddress, port);
client.SetAttribute ("MaxPackets", UintegerValue (maxPacketCount));
client.SetAttribute ("Interval", TimeValue (interPacketInterval));
client.SetAttribute ("PacketSize", UintegerValue (packetSize));
apps = client.Install (n.Get (0));
apps.Start (Seconds (2.0));
apps.Stop (Seconds (10.0));
#if 0
//
// Users may find it convenient to initialize echo packets with actual data;
// the below lines suggest how to do this
//
client.SetFill (apps.Get (0), "Hello World");
client.SetFill (apps.Get (0), 0xa5, 1024);
uint8_t fill[] = { 0, 1, 2, 3, 4, 5, 6};
client.SetFill (apps.Get (0), fill, sizeof(fill), 1024);
#endif
AsciiTraceHelper ascii;
csma.EnableAsciiAll (ascii.CreateFileStream ("udp-echo.tr"));
csma.EnablePcapAll ("udp-echo", 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[])
{
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.");
}
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 ("SimpleGlobalRoutingExample", LOG_LEVEL_INFO);
#endif
// Set up some default values for the simulation. Use the
Config::SetDefault ("ns3::OnOffApplication::PacketSize", UintegerValue (210));
Config::SetDefault ("ns3::OnOffApplication::DataRate", StringValue ("448kb/s"));
//DefaultValue::Bind ("DropTailQueue::m_maxPackets", 30);
// Allow the user to override any of the defaults and the above
// DefaultValue::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 (5);
NodeContainer n02 = NodeContainer (c.Get (0), c.Get (2));
NodeContainer n12 = NodeContainer (c.Get (1), c.Get (2));
NodeContainer n32 = NodeContainer (c.Get (3), c.Get (2));
NodeContainer n34 = NodeContainer (c.Get (3), c.Get (4));
// Enable OLSR
NS_LOG_INFO ("Enabling OLSR Routing.");
OlsrHelper olsr;
Ipv4StaticRoutingHelper staticRouting;
Ipv4ListRoutingHelper list;
list.Add (staticRouting, 0);
list.Add (olsr, 10);
InternetStackHelper internet;
internet.SetRoutingHelper (list); // has effect on the next Install ()
internet.Install (c);
// We create the channels first without any IP addressing information
NS_LOG_INFO ("Create channels.");
PointToPointHelper p2p;
p2p.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
p2p.SetChannelAttribute ("Delay", StringValue ("2ms"));
NetDeviceContainer nd02 = p2p.Install (n02);
NetDeviceContainer nd12 = p2p.Install (n12);
p2p.SetDeviceAttribute ("DataRate", StringValue ("1500kbps"));
p2p.SetChannelAttribute ("Delay", StringValue ("10ms"));
NetDeviceContainer nd32 = p2p.Install (n32);
NetDeviceContainer nd34 = p2p.Install (n34);
// Later, we add IP addresses.
NS_LOG_INFO ("Assign IP Addresses.");
Ipv4AddressHelper ipv4;
ipv4.SetBase ("10.1.1.0", "255.255.255.0");
Ipv4InterfaceContainer i02 = ipv4.Assign (nd02);
ipv4.SetBase ("10.1.2.0", "255.255.255.0");
Ipv4InterfaceContainer i12 = ipv4.Assign (nd12);
ipv4.SetBase ("10.1.3.0", "255.255.255.0");
Ipv4InterfaceContainer i32 = ipv4.Assign (nd32);
ipv4.SetBase ("10.1.4.0", "255.255.255.0");
Ipv4InterfaceContainer i34 = ipv4.Assign (nd34);
// Create the OnOff application to send UDP datagrams of size
// 210 bytes at a rate of 448 Kb/s from n0 to n4
NS_LOG_INFO ("Create Applications.");
uint16_t port = 9; // Discard port (RFC 863)
OnOffHelper onoff ("ns3::UdpSocketFactory",
InetSocketAddress (i34.GetAddress (1), port));
onoff.SetConstantRate (DataRate ("448kb/s"));
ApplicationContainer apps = onoff.Install (c.Get (0));
apps.Start (Seconds (1.0));
apps.Stop (Seconds (10.0));
// Create a packet sink to receive these packets
PacketSinkHelper sink ("ns3::UdpSocketFactory",
InetSocketAddress (Ipv4Address::GetAny (), port));
apps = sink.Install (c.Get (3));
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 (i12.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
apps = sink.Install (c.Get (1));
apps.Start (Seconds (1.1));
apps.Stop (Seconds (10.0));
AsciiTraceHelper ascii;
p2p.EnableAsciiAll (ascii.CreateFileStream ("simple-point-to-point-olsr.tr"));
p2p.EnablePcapAll ("simple-point-to-point-olsr");
Simulator::Stop (Seconds (30));
NS_LOG_INFO ("Run Simulation.");
Simulator::Run ();
Simulator::Destroy ();
NS_LOG_INFO ("Done.");
return 0;
}
void part2()
{
cout << "Seting up Part B with C" << endl;
string rateHR = "100Mbps"; //data rate b/w hosts and routers
string latencyHR = "20ms"; //latency b/w hosts and routers
string rateRR = "10Mbps"; //data rate b/w routers
string latencyRR = "50ms"; //latenc b/w routers
uint32_t packetSize = 1.2*1024; //1.2KB
uint32_t queueSizeHR = (100000*20)/packetSize; //100Mbps
uint32_t queueSizeRR = (10000*50)/packetSize; //10Mbps
uint32_t numSender = 3;
double errorP = 0.000001;
Config::SetDefault("ns3::DropTailQueue::Mode", StringValue("QUEUE_MODE_PACKETS"));
//Creating channel without IP address
PointToPointHelper p2pHR, p2pRR;
p2pHR.SetDeviceAttribute("DataRate", StringValue(rateHR));
p2pHR.SetChannelAttribute("Delay", StringValue(latencyHR));
p2pHR.SetQueue("ns3::DropTailQueue", "MaxPackets", UintegerValue(queueSizeHR));
p2pRR.SetDeviceAttribute("DataRate", StringValue(rateRR));
p2pRR.SetChannelAttribute("Delay", StringValue(latencyRR));
p2pRR.SetQueue("ns3::DropTailQueue", "MaxPackets", UintegerValue(queueSizeRR));
//Adding some errorrate
Ptr<RateErrorModel> em = CreateObjectWithAttributes<RateErrorModel> ("ErrorRate", DoubleValue (errorP));
//create nodes(routers, senders and recievers)
NodeContainer routers, senders, recievers;
routers.Create(2);
senders.Create(numSender);
recievers.Create(numSender);
NetDeviceContainer routerDevices = p2pRR.Install(routers);
NetDeviceContainer leftRouterDevices, rightRouterDevices, senderDevices, recieverDevices;
//Adding links
for(uint32_t i = 0; i < numSender; ++i)
{
NetDeviceContainer cleft = p2pHR.Install(routers.Get(0), senders.Get(i));
leftRouterDevices.Add(cleft.Get(0));
senderDevices.Add(cleft.Get(1));
cleft.Get(0)->SetAttribute("ReceiveErrorModel", PointerValue(em));
NetDeviceContainer cright = p2pHR.Install(routers.Get(1), recievers.Get(i));
rightRouterDevices.Add(cright.Get(0));
recieverDevices.Add(cright.Get(1));
cright.Get(0)->SetAttribute("ReceiveErrorModel", PointerValue(em));
}
//Install Internet Stack
InternetStackHelper stack;
stack.Install(routers);
stack.Install(senders);
stack.Install(recievers);
//Adding IP addresses
Ipv4AddressHelper routerIP = Ipv4AddressHelper("10.3.0.0", "255.255.255.0");
Ipv4AddressHelper senderIP = Ipv4AddressHelper("10.1.0.0", "255.255.255.0");
Ipv4AddressHelper recieverIP = Ipv4AddressHelper("10.2.0.0", "255.255.255.0");
Ipv4InterfaceContainer routerIFC, senderIFCs, recieverIFCs, leftRouterIFCs, rightRouterIFCs;
routerIFC = routerIP.Assign(routerDevices);
for(uint32_t i = 0; i < numSender; ++i)
{
NetDeviceContainer senderDevice;
senderDevice.Add(senderDevices.Get(i));
senderDevice.Add(leftRouterDevices.Get(i));
Ipv4InterfaceContainer senderIFC = senderIP.Assign(senderDevice);
senderIFCs.Add(senderIFC.Get(0));
leftRouterIFCs.Add(senderIFC.Get(1));
senderIP.NewNetwork();
NetDeviceContainer recieverDevice;
recieverDevice.Add(recieverDevices.Get(i));
recieverDevice.Add(rightRouterDevices.Get(i));
Ipv4InterfaceContainer recieverIFC = recieverIP.Assign(recieverDevice);
recieverIFCs.Add(recieverIFC.Get(0));
rightRouterIFCs.Add(recieverIFC.Get(1));
recieverIP.NewNetwork();
}
/********************************************************************
PART (2)
start 2 other flows while one is progress
-> measure throughput and CWND of each flow at steady state
-> Also find the max throuhput per flow
********************************************************************/
cout << "Part B Starting" << endl;
double durationGap = 100;
double oneFlowStart = 0;
double otherFlowStart = 20;
uint32_t port = 9000;
uint32_t numPackets = 10000000;
string transferSpeed = "400Mbps";
//TCP Reno from H1 to H4
cout << "Flow from H1 -> H4 : TcpReno" << endl;
cout << "Writing to app6_h1_h4_b.cwnd (congestion window) and app6_h1_h4_b.tp (throughput)" << endl;
AsciiTraceHelper asciiTraceHelper;
Ptr<OutputStreamWrapper> stream1CWND = asciiTraceHelper.CreateFileStream("app6_h1_h4_b.cwnd");
Ptr<OutputStreamWrapper> stream1PD = asciiTraceHelper.CreateFileStream("app6_h1_h4_b.congestion_loss");
Ptr<OutputStreamWrapper> stream1TP = asciiTraceHelper.CreateFileStream("app6_h1_h4_b.tp");
Ptr<OutputStreamWrapper> stream1GP = asciiTraceHelper.CreateFileStream("app6_h1_h4_b.gp");
Ptr<Socket> ns3TcpSocket1 = uniFlow(InetSocketAddress(recieverIFCs.GetAddress(0), port), port, "TcpReno", senders.Get(0), recievers.Get(0), oneFlowStart, oneFlowStart+durationGap, packetSize, numPackets, transferSpeed, oneFlowStart, oneFlowStart+durationGap);
ns3TcpSocket1->TraceConnectWithoutContext("CongestionWindow", MakeBoundCallback (&CwndChange, stream1CWND, 0));
ns3TcpSocket1->TraceConnectWithoutContext("Drop", MakeBoundCallback (&packetDrop, stream1PD, 0, 1));
std::string sink_ = "/NodeList/5/ApplicationList/0/$ns3::PacketSink/Rx";
Config::Connect(sink_, MakeBoundCallback(&ReceivedPacket, stream1TP, oneFlowStart));
std::string sink = "/NodeList/5/ApplicationList/0/$ns3::PacketSink/Rx";
Config::Connect(sink, MakeBoundCallback(&ReceivedPacket, stream1GP, 0));
//TCP Tahoe from H2 to H5
cout << "Flow from H2 -> H5 : TcpTahoe" << endl;
cout << "Writing to app6_h2_h5_b.cwnd (congestion window) and app6_h2_h5_b.tp (throughput)" << endl;
Ptr<OutputStreamWrapper> stream2CWND = asciiTraceHelper.CreateFileStream("app6_h2_h5_b.cwnd");
Ptr<OutputStreamWrapper> stream2PD = asciiTraceHelper.CreateFileStream("app6_h2_h5_b.congestion_loss");
Ptr<OutputStreamWrapper> stream2TP = asciiTraceHelper.CreateFileStream("app6_h2_h5_b.tp");
Ptr<OutputStreamWrapper> stream2GP = asciiTraceHelper.CreateFileStream("app6_h2_h5_b.gp");
Ptr<Socket> ns3TcpSocket2 = uniFlow(InetSocketAddress(recieverIFCs.GetAddress(1), port), port, "TcpTahoe", senders.Get(1), recievers.Get(1), otherFlowStart, otherFlowStart+durationGap, packetSize, numPackets, transferSpeed, otherFlowStart, otherFlowStart+durationGap);
ns3TcpSocket2->TraceConnectWithoutContext("CongestionWindow", MakeBoundCallback (&CwndChange, stream2CWND, 0));
ns3TcpSocket2->TraceConnectWithoutContext("Drop", MakeBoundCallback (&packetDrop, stream2PD, 0, 2));
sink_ = "/NodeList/6/ApplicationList/0/$ns3::PacketSink/Rx";
Config::Connect(sink_, MakeBoundCallback(&ReceivedPacket, stream2TP, otherFlowStart));
sink = "/NodeList/6/ApplicationList/0/$ns3::PacketSink/Rx";
Config::Connect(sink, MakeBoundCallback(&ReceivedPacket, stream2GP, 0));
//TCP WestWood from H3 to H6
cout << "Flow from H3 -> H6 : TcpWestwood" << endl;
cout << "Writing to app6_h3_h6_b.cwnd (congestion window) and app6_h3_h6_b.tp (throughput)" << endl;
Ptr<OutputStreamWrapper> stream3CWND = asciiTraceHelper.CreateFileStream("app6_h3_h6_b.cwnd");
Ptr<OutputStreamWrapper> stream3PD = asciiTraceHelper.CreateFileStream("app6_h3_h6_b.congestion_loss");
Ptr<OutputStreamWrapper> stream3TP = asciiTraceHelper.CreateFileStream("app6_h3_h6_b.tp");
Ptr<OutputStreamWrapper> stream3GP = asciiTraceHelper.CreateFileStream("app6_h3_h6_b.gp");
Ptr<Socket> ns3TcpSocket3 = uniFlow(InetSocketAddress(recieverIFCs.GetAddress(2), port), port, "TcpWestwood", senders.Get(2), recievers.Get(2), otherFlowStart, otherFlowStart+durationGap, packetSize, numPackets, transferSpeed, otherFlowStart, otherFlowStart+durationGap);
ns3TcpSocket3->TraceConnectWithoutContext("CongestionWindow", MakeBoundCallback (&CwndChange, stream3CWND, 0));
ns3TcpSocket3->TraceConnectWithoutContext("Drop", MakeBoundCallback (&packetDrop, stream3PD, 0, 3));
sink = "/NodeList/7/ApplicationList/0/$ns3::PacketSink/Rx";
Config::Connect(sink, MakeBoundCallback(&ReceivedPacket, stream3GP, 0));
sink_ = "/NodeList/7/ApplicationList/0/$ns3::PacketSink/Rx";
Config::Connect(sink_, MakeBoundCallback(&ReceivedPacket, stream3TP, otherFlowStart));
//Turning on Static Global Routing
Ipv4GlobalRoutingHelper::PopulateRoutingTables();
Ptr<FlowMonitor> flowmon;
FlowMonitorHelper flowmonHelper;
flowmon = flowmonHelper.InstallAll();
Simulator::Stop(Seconds(durationGap+otherFlowStart));
//animation("anim4.xml", routers, senders, recievers); //animation
Simulator::Run();
flowmon->CheckForLostPackets();
cout << "Part b throughput into app6_b.tp" << endl;
//Ptr<OutputStreamWrapper> streamTP = asciiTraceHelper.CreateFileStream("app6_b.tp");
Ptr<Ipv4FlowClassifier> classifier = DynamicCast<Ipv4FlowClassifier>(flowmonHelper.GetClassifier());
std::map<FlowId, FlowMonitor::FlowStats> stats = flowmon->GetFlowStats();
for (std::map<FlowId, FlowMonitor::FlowStats>::const_iterator i = stats.begin(); i != stats.end(); ++i)
{
Ipv4FlowClassifier::FiveTuple t = classifier->FindFlow (i->first);
if(t.sourceAddress == "10.1.0.1")
{
if(mapDrop.find(1)==mapDrop.end())
mapDrop[1] = 0;
*stream1PD->GetStream() << "TcpReno Flow " << i->first << " (" << t.sourceAddress << " -> " << t.destinationAddress << ")\n";
*stream1PD->GetStream() << "Net Packet Lost: " << i->second.lostPackets << "\n";
*stream1PD->GetStream() << "Packet Lost due to buffer overflow: " << mapDrop[1] << "\n";
*stream1PD->GetStream() << "Packet Lost due to Congestion: " << i->second.lostPackets - mapDrop[1] << "\n";
*stream1PD->GetStream() << "Max throughput: " << mapMaxThroughput["/NodeList/5/$ns3::Ipv4L3Protocol/Rx"] << std::endl;
}
else if(t.sourceAddress == "10.1.1.1")
{
if(mapDrop.find(2)==mapDrop.end())
mapDrop[2] = 0;
*stream2PD->GetStream() << "TcpTahoe Flow " << i->first << " (" << t.sourceAddress << " -> " << t.destinationAddress << ")\n";
*stream2PD->GetStream() << "Net Packet Lost: " << i->second.lostPackets << "\n";
*stream2PD->GetStream() << "Packet Lost due to buffer overflow: " << mapDrop[2] << "\n";
*stream2PD->GetStream() << "Packet Lost due to Congestion: " << i->second.lostPackets - mapDrop[2] << "\n";
*stream2PD->GetStream() << "Max throughput: " << mapMaxThroughput["/NodeList/6/$ns3::Ipv4L3Protocol/Rx"] << std::endl;
}
else if(t.sourceAddress == "10.1.2.1")
{
if(mapDrop.find(3)==mapDrop.end())
mapDrop[3] = 0;
*stream3PD->GetStream() << "TcpWestWood Flow " << i->first << " (" << t.sourceAddress << " -> " << t.destinationAddress << ")\n";
*stream3PD->GetStream() << "Net Packet Lost: " << i->second.lostPackets << "\n";
*stream3PD->GetStream() << "Packet Lost due to buffer overflow: " << mapDrop[3] << "\n";
*stream3PD->GetStream() << "Packet Lost due to Congestion: " << i->second.lostPackets - mapDrop[3] << "\n";
*stream3PD->GetStream() << "Max throughput: " << mapMaxThroughput["/NodeList/7/$ns3::Ipv4L3Protocol/Rx"] << std::endl;
}
}
//flowmon->SerializeToXmlFile("app6_b.flowmon", true, true);
Simulator::Destroy();
}
int
main (int argc, char *argv[])
{
GlobalValue::Bind ("ChecksumEnabled", BooleanValue (true));
uint16_t sinkPort = 8000;
uint32_t packetSize = 10000; // bytes
std::string dataRate("10Mb/s");
NS_LOG_INFO ("Create Node");
NodeContainer nodes;
nodes.Create (2);
NS_LOG_INFO ("Create Device");
FdNetDeviceHelper fd;
NetDeviceContainer devices = fd.Install (nodes);
int sv[2];
if (socketpair (AF_UNIX, SOCK_DGRAM, 0, sv) < 0)
{
NS_FATAL_ERROR ("Error creating pipe=" << strerror (errno));
}
Ptr<NetDevice> d1 = devices.Get (0);
Ptr<FdNetDevice> clientDevice = d1->GetObject<FdNetDevice> ();
clientDevice->SetFileDescriptor (sv[0]);
Ptr<NetDevice> d2 = devices.Get (1);
Ptr<FdNetDevice> serverDevice = d2->GetObject<FdNetDevice> ();
serverDevice->SetFileDescriptor (sv[1]);
NS_LOG_INFO ("Add Internet Stack");
InternetStackHelper internetStackHelper;
internetStackHelper.SetIpv4StackInstall(true);
internetStackHelper.Install (nodes);
NS_LOG_INFO ("Create IPv4 Interface");
Ipv4AddressHelper addresses;
addresses.SetBase ("10.0.0.0", "255.255.255.0");
Ipv4InterfaceContainer interfaces = addresses.Assign (devices);
Ptr<Node> clientNode = nodes.Get (0);
Ipv4Address serverIp = interfaces.GetAddress (1);
Ptr<Node> serverNode = nodes.Get (1);
// server
Address sinkLocalAddress (InetSocketAddress (serverIp, sinkPort));
PacketSinkHelper sinkHelper ("ns3::TcpSocketFactory", sinkLocalAddress);
ApplicationContainer sinkApp = sinkHelper.Install (serverNode);
sinkApp.Start (Seconds (0.0));
sinkApp.Stop (Seconds (30.0));
fd.EnablePcap ("fd2fd-onoff-server", serverDevice);
// client
AddressValue serverAddress (InetSocketAddress (serverIp, sinkPort));
OnOffHelper onoff ("ns3::TcpSocketFactory", Address ());
onoff.SetAttribute ("Remote", serverAddress);
onoff.SetAttribute ("OnTime", StringValue ("ns3::ConstantRandomVariable[Constant=1]"));
onoff.SetAttribute ("OffTime", StringValue ("ns3::ConstantRandomVariable[Constant=0]"));
onoff.SetAttribute ("DataRate", DataRateValue (dataRate));
onoff.SetAttribute ("PacketSize", UintegerValue (packetSize));
ApplicationContainer clientApps = onoff.Install (clientNode);
clientApps.Start (Seconds (2.0));
clientApps.Stop (Seconds (29.0));
fd.EnablePcap ("fd2fd-onoff-client", clientDevice);
Simulator::Stop (Seconds (30.0));
Simulator::Run ();
Simulator::Destroy ();
}
//
// 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");
}
// Test program for this 3-router scenario, using global routing
//
// (a.a.a.a/32)A<--x.x.x.0/30-->B<--y.y.y.0/30-->C(c.c.c.c/32)
//
void
GlobalRoutingSlash32TestCase::DoRun (void)
{
Ptr<Node> nA = CreateObject<Node> ();
Ptr<Node> nB = CreateObject<Node> ();
Ptr<Node> nC = CreateObject<Node> ();
NodeContainer c = NodeContainer (nA, nB, nC);
InternetStackHelper internet;
internet.Install (c);
// Point-to-point links
NodeContainer nAnB = NodeContainer (nA, nB);
NodeContainer nBnC = NodeContainer (nB, nC);
// We create the channels first without any IP addressing information
PointToPointHelper p2p;
p2p.SetDeviceAttribute ("DataRate", StringValue ("5Mbps"));
p2p.SetChannelAttribute ("Delay", StringValue ("2ms"));
NetDeviceContainer dAdB = p2p.Install (nAnB);
NetDeviceContainer dBdC = p2p.Install (nBnC);;
Ptr<CsmaNetDevice> deviceA = CreateObject<CsmaNetDevice> ();
deviceA->SetAddress (Mac48Address::Allocate ());
nA->AddDevice (deviceA);
Ptr<CsmaNetDevice> deviceC = CreateObject<CsmaNetDevice> ();
deviceC->SetAddress (Mac48Address::Allocate ());
nC->AddDevice (deviceC);
// Later, we add IP addresses.
Ipv4AddressHelper ipv4;
ipv4.SetBase ("10.1.1.0", "255.255.255.252");
Ipv4InterfaceContainer iAiB = ipv4.Assign (dAdB);
ipv4.SetBase ("10.1.1.4", "255.255.255.252");
Ipv4InterfaceContainer iBiC = ipv4.Assign (dBdC);
Ptr<Ipv4> ipv4A = nA->GetObject<Ipv4> ();
Ptr<Ipv4> ipv4C = nC->GetObject<Ipv4> ();
int32_t ifIndexA = ipv4A->AddInterface (deviceA);
int32_t ifIndexC = ipv4C->AddInterface (deviceC);
Ipv4InterfaceAddress ifInAddrA = Ipv4InterfaceAddress (Ipv4Address ("172.16.1.1"), Ipv4Mask ("255.255.255.255"));
ipv4A->AddAddress (ifIndexA, ifInAddrA);
ipv4A->SetMetric (ifIndexA, 1);
ipv4A->SetUp (ifIndexA);
Ipv4InterfaceAddress ifInAddrC = Ipv4InterfaceAddress (Ipv4Address ("192.168.1.1"), Ipv4Mask ("255.255.255.255"));
ipv4C->AddAddress (ifIndexC, ifInAddrC);
ipv4C->SetMetric (ifIndexC, 1);
ipv4C->SetUp (ifIndexC);
// Create router nodes, initialize routing database and set up the routing
// tables in the nodes.
Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
// Create the OnOff application to send UDP datagrams of size
// 210 bytes at a rate of 448 Kb/s
uint16_t port = 9; // Discard port (RFC 863)
OnOffHelper onoff ("ns3::UdpSocketFactory",
Address (InetSocketAddress (ifInAddrC.GetLocal (), port)));
onoff.SetConstantRate (DataRate (6000));
ApplicationContainer apps = onoff.Install (nA);
apps.Start (Seconds (1.0));
apps.Stop (Seconds (10.0));
// Create a packet sink to receive these packets
PacketSinkHelper sink ("ns3::UdpSocketFactory",
Address (InetSocketAddress (Ipv4Address::GetAny (), port)));
apps = sink.Install (nC);
apps.Start (Seconds (1.0));
apps.Stop (Seconds (10.0));
Simulator::Run ();
// Check that we received 13 * 512 = 6656 bytes
Ptr<PacketSink> sinkPtr = DynamicCast <PacketSink> (apps.Get (0));
NS_TEST_ASSERT_MSG_EQ (sinkPtr->GetTotalRx (), 6656, "Static routing with /32 did not deliver all packets");
Simulator::Destroy ();
}
// Network topology
//
// Lan1
// ===========
// | | |
// n0 n1 n2 n3 n4
// | | |
// ===========
// Lan0
//
// - Multicast source is at node n0;
// - Multicast forwarded by node n2 onto LAN1;
// - Nodes n0, n1, n2, n3, and n4 receive the multicast frame.
// - Node n4 listens for the data
//
void
CsmaMulticastTestCase::DoRun (void)
{
//
// Set up default values for the simulation.
//
// Select DIX/Ethernet II-style encapsulation (no LLC/Snap header)
Config::SetDefault ("ns3::CsmaNetDevice::EncapsulationMode", StringValue ("Dix"));
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));
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
InternetStackHelper internet;
internet.Install (c);
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);
//
// 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).
//
uint16_t multicastPort = 9; // Discard port (RFC 863)
// Configure a multicast packet generator.
//
// Make packets be sent about every defaultPacketSize / dataRate =
// 4096 bits / (5000 bits/second) = 0.82 second.
OnOffHelper onoff ("ns3::UdpSocketFactory",
Address (InetSocketAddress (multicastGroup, multicastPort)));
onoff.SetConstantRate (DataRate (5000));
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));
// Trace receptions
Config::ConnectWithoutContext ("/NodeList/4/ApplicationList/0/$ns3::PacketSink/Rx", MakeCallback (&CsmaMulticastTestCase::SinkRx, this));
//
// Now, do the actual simulation.
//
Simulator::Run ();
Simulator::Destroy ();
// We should have sent and received 10 packets
NS_TEST_ASSERT_MSG_EQ (m_count, 10, "Node 4 should have received 10 packets");
}
void
LenaPssFfMacSchedulerTestCase2::DoRun (void)
{
if (!m_errorModelEnabled)
{
Config::SetDefault ("ns3::LteSpectrumPhy::CtrlErrorModelEnabled", BooleanValue (false));
Config::SetDefault ("ns3::LteSpectrumPhy::DataErrorModelEnabled", BooleanValue (false));
}
Config::SetDefault ("ns3::LteHelper::UseIdealRrc", BooleanValue (true));
Ptr<LteHelper> lteHelper = CreateObject<LteHelper> ();
Ptr<PointToPointEpcHelper> epcHelper = CreateObject<PointToPointEpcHelper> ();
lteHelper->SetEpcHelper (epcHelper);
Ptr<Node> pgw = epcHelper->GetPgwNode ();
// 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")));
p2ph.SetDeviceAttribute ("Mtu", UintegerValue (1500));
p2ph.SetChannelAttribute ("Delay", TimeValue (Seconds (0.001)));
NetDeviceContainer internetDevices = p2ph.Install (pgw, remoteHost);
Ipv4AddressHelper ipv4h;
ipv4h.SetBase ("1.0.0.0", "255.0.0.0");
Ipv4InterfaceContainer internetIpIfaces = ipv4h.Assign (internetDevices);
// interface 0 is localhost, 1 is the p2p device
Ipv4Address remoteHostAddr = internetIpIfaces.GetAddress (1);
Ipv4StaticRoutingHelper ipv4RoutingHelper;
Ptr<Ipv4StaticRouting> remoteHostStaticRouting = ipv4RoutingHelper.GetStaticRouting (remoteHost->GetObject<Ipv4> ());
remoteHostStaticRouting->AddNetworkRouteTo (Ipv4Address ("7.0.0.0"), Ipv4Mask ("255.0.0.0"), 1);
// LogComponentDisableAll (LOG_LEVEL_ALL);
//LogComponentEnable ("LenaTestPssFfMacCheduler", LOG_LEVEL_ALL);
lteHelper->SetAttribute ("PathlossModel", StringValue ("ns3::FriisSpectrumPropagationLossModel"));
// Create Nodes: eNodeB and UE
NodeContainer enbNodes;
NodeContainer ueNodes;
enbNodes.Create (1);
ueNodes.Create (m_nUser);
// Install Mobility Model
MobilityHelper mobility;
mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
mobility.Install (enbNodes);
mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
mobility.Install (ueNodes);
// Create Devices and install them in the Nodes (eNB and UE)
NetDeviceContainer enbDevs;
NetDeviceContainer ueDevs;
lteHelper->SetSchedulerType ("ns3::PssFfMacScheduler");
enbDevs = lteHelper->InstallEnbDevice (enbNodes);
ueDevs = lteHelper->InstallUeDevice (ueNodes);
Ptr<LteEnbNetDevice> lteEnbDev = enbDevs.Get (0)->GetObject<LteEnbNetDevice> ();
Ptr<LteEnbPhy> enbPhy = lteEnbDev->GetPhy ();
enbPhy->SetAttribute ("TxPower", DoubleValue (30.0));
enbPhy->SetAttribute ("NoiseFigure", DoubleValue (5.0));
// Set UEs' position and power
for (int i = 0; i < m_nUser; i++)
{
Ptr<ConstantPositionMobilityModel> mm = ueNodes.Get (i)->GetObject<ConstantPositionMobilityModel> ();
mm->SetPosition (Vector (m_dist.at (i), 0.0, 0.0));
Ptr<LteUeNetDevice> lteUeDev = ueDevs.Get (i)->GetObject<LteUeNetDevice> ();
Ptr<LteUePhy> uePhy = lteUeDev->GetPhy ();
uePhy->SetAttribute ("TxPower", DoubleValue (23.0));
uePhy->SetAttribute ("NoiseFigure", DoubleValue (9.0));
}
// Install the IP stack on the UEs
internet.Install (ueNodes);
Ipv4InterfaceContainer ueIpIface;
ueIpIface = epcHelper->AssignUeIpv4Address (NetDeviceContainer (ueDevs));
// Assign IP address to UEs
for (uint32_t u = 0; u < ueNodes.GetN (); ++u)
{
Ptr<Node> ueNode = ueNodes.Get (u);
// Set the default gateway for the UE
Ptr<Ipv4StaticRouting> ueStaticRouting = ipv4RoutingHelper.GetStaticRouting (ueNode->GetObject<Ipv4> ());
ueStaticRouting->SetDefaultRoute (epcHelper->GetUeDefaultGatewayAddress (), 1);
}
// Attach a UE to a eNB
lteHelper->Attach (ueDevs, enbDevs.Get (0));
// Activate an EPS bearer on all UEs
for (uint32_t u = 0; u < ueNodes.GetN (); ++u)
{
Ptr<NetDevice> ueDevice = ueDevs.Get (u);
GbrQosInformation qos;
qos.gbrDl = (m_packetSize.at (u) + 32) * (1000 / m_interval) * 8; // bit/s, considering IP, UDP, RLC, PDCP header size
qos.gbrUl = (m_packetSize.at (u) + 32) * (1000 / m_interval) * 8;
qos.mbrDl = qos.gbrDl;
qos.mbrUl = qos.gbrUl;
enum EpsBearer::Qci q = EpsBearer::GBR_CONV_VOICE;
EpsBearer bearer (q, qos);
lteHelper->ActivateDedicatedEpsBearer (ueDevice, bearer, EpcTft::Default ());
}
// Install downlind and uplink applications
uint16_t dlPort = 1234;
uint16_t ulPort = 2000;
PacketSinkHelper dlPacketSinkHelper ("ns3::UdpSocketFactory", InetSocketAddress (Ipv4Address::GetAny (), dlPort));
PacketSinkHelper ulPacketSinkHelper ("ns3::UdpSocketFactory", InetSocketAddress (Ipv4Address::GetAny (), ulPort));
ApplicationContainer clientApps;
ApplicationContainer serverApps;
for (uint32_t u = 0; u < ueNodes.GetN (); ++u)
{
++ulPort;
serverApps.Add (dlPacketSinkHelper.Install (ueNodes.Get (u))); // receive packets from remotehost
serverApps.Add (ulPacketSinkHelper.Install (remoteHost)); // receive packets from UEs
UdpClientHelper dlClient (ueIpIface.GetAddress (u), dlPort); // uplink packets generator
dlClient.SetAttribute ("Interval", TimeValue (MilliSeconds (m_interval)));
dlClient.SetAttribute ("MaxPackets", UintegerValue (1000000));
dlClient.SetAttribute ("PacketSize", UintegerValue (m_packetSize.at (u)));
UdpClientHelper ulClient (remoteHostAddr, ulPort); // downlink packets generator
ulClient.SetAttribute ("Interval", TimeValue (MilliSeconds (m_interval)));
ulClient.SetAttribute ("MaxPackets", UintegerValue (1000000));
ulClient.SetAttribute ("PacketSize", UintegerValue (m_packetSize.at (u)));
clientApps.Add (dlClient.Install (remoteHost));
clientApps.Add (ulClient.Install (ueNodes.Get (u)));
}
serverApps.Start (Seconds (0.030));
clientApps.Start (Seconds (0.030));
double statsStartTime = 0.04; // need to allow for RRC connection establishment + SRS
double statsDuration = 0.5;
double tolerance = 0.1;
Simulator::Stop (Seconds (statsStartTime + statsDuration - 0.0001));
lteHelper->EnableRlcTraces ();
Ptr<RadioBearerStatsCalculator> rlcStats = lteHelper->GetRlcStats ();
rlcStats->SetAttribute ("StartTime", TimeValue (Seconds (statsStartTime)));
rlcStats->SetAttribute ("EpochDuration", TimeValue (Seconds (statsDuration)));
Simulator::Run ();
/**
* Check that the downlink assignation is done in a "token bank fair queue" manner
*/
NS_LOG_INFO ("DL - Test with " << m_nUser << " user(s)");
std::vector <uint64_t> dlDataRxed;
for (int i = 0; i < m_nUser; i++)
{
// get the imsi
uint64_t imsi = ueDevs.Get (i)->GetObject<LteUeNetDevice> ()->GetImsi ();
// get the lcId
uint8_t lcId = 4;
dlDataRxed.push_back (rlcStats->GetDlRxData (imsi, lcId));
NS_LOG_INFO ("\tUser " << i << " dist " << m_dist.at (i) << " imsi " << imsi << " bytes rxed " << (double)dlDataRxed.at (i) << " thr " << (double)dlDataRxed.at (i) / statsDuration << " ref " << m_estThrPssDl.at (i));
}
for (int i = 0; i < m_nUser; i++)
{
NS_TEST_ASSERT_MSG_EQ_TOL ((double)dlDataRxed.at (i) / statsDuration, m_estThrPssDl.at (i), m_estThrPssDl.at (i) * tolerance, " Unfair Throughput!");
}
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
//
#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.");
}
