void
LinkControlHelper::setErrorRate(Ptr<Node> node1, Ptr<Node> node2, double errorRate)
{
NS_LOG_FUNCTION(node1 << node2 << errorRate);
NS_ASSERT(node1 != nullptr && node2 != nullptr);
NS_ASSERT(errorRate <= 1.0);
Ptr<ndn::L3Protocol> ndn1 = node1->GetObject<ndn::L3Protocol>();
Ptr<ndn::L3Protocol> ndn2 = node2->GetObject<ndn::L3Protocol>();
NS_ASSERT(ndn1 != nullptr && ndn2 != nullptr);
// iterate over all faces to find the right one
for (const auto& face : ndn1->getForwarder()->getFaceTable()) {
auto transport = dynamic_cast<NetDeviceTransport*>(face.getTransport());
if (transport == nullptr)
continue;
Ptr<PointToPointNetDevice> nd1 = transport->GetNetDevice()->GetObject<PointToPointNetDevice>();
if (nd1 == nullptr)
continue;
Ptr<Channel> channel = nd1->GetChannel();
if (channel == nullptr)
continue;
Ptr<PointToPointChannel> ppChannel = DynamicCast<PointToPointChannel>(channel);
Ptr<NetDevice> nd2 = ppChannel->GetDevice(0);
if (nd2->GetNode() == node1)
nd2 = ppChannel->GetDevice(1);
if (nd2->GetNode() == node2) {
ObjectFactory errorFactory("ns3::RateErrorModel");
errorFactory.Set("ErrorUnit", StringValue("ERROR_UNIT_PACKET"));
errorFactory.Set("ErrorRate", DoubleValue(errorRate));
if (errorRate <= 0) {
errorFactory.Set("IsEnabled", BooleanValue(false));
}
nd1->SetAttribute("ReceiveErrorModel", PointerValue(errorFactory.Create<ErrorModel>()));
nd2->SetAttribute("ReceiveErrorModel", PointerValue(errorFactory.Create<ErrorModel>()));
return;
}
}
NS_FATAL_ERROR("There is no link to fail between the requested nodes");
}
TypeId WimaxPhy::GetTypeId (void)
{
static TypeId tid = TypeId ("ns3::WimaxPhy").SetParent<Object> ()
.AddAttribute ("Channel",
"Wimax channel",
PointerValue (),
MakePointerAccessor (&WimaxPhy::GetChannel, &WimaxPhy::Attach),
MakePointerChecker<WimaxChannel> ())
.AddAttribute ("FrameDuration",
"The frame duration in seconds.",
TimeValue (Seconds (0.01)),
MakeTimeAccessor (&WimaxPhy::SetFrameDuration, &WimaxPhy::GetFrameDurationSec),
MakeTimeChecker ())
.AddAttribute ("Frequency",
"The central frequency in KHz.",
UintegerValue (5000000),
MakeUintegerAccessor (&WimaxPhy::SetFrequency, &WimaxPhy::GetFrequency),
MakeUintegerChecker<uint32_t> (1000000, 11000000))
.AddAttribute ("Bandwidth",
"The channel bandwidth in Hz.",
UintegerValue (10000000),
MakeUintegerAccessor (&WimaxPhy::SetChannelBandwidth, &WimaxPhy::GetChannelBandwidth),
MakeUintegerChecker<uint32_t> (5000000, 30000000))
;
return tid;
}
DynamicType * DynamicObjectPropertyEnumerator::GetTypeToEnumerate() const
{
return
GetSnapShotSemantics() &&
initialType->GetIsLocked() &&
CONFIG_FLAG(TypeSnapshotEnumeration)
? PointerValue(initialType)
: object->GetDynamicType();
}
TypeId
UanChannel::GetTypeId ()
{
static TypeId tid = TypeId ("ns3::UanChannel")
.SetParent<Channel> ()
.AddConstructor<UanChannel> ()
.AddAttribute ("PropagationModel",
"A pointer to the propagation model.",
PointerValue (CreateObject<UanPropModelIdeal> ()),
MakePointerAccessor (&UanChannel::m_prop),
MakePointerChecker<UanPropModel> ())
.AddAttribute ("NoiseModel",
"A pointer to the model of the channel ambient noise.",
PointerValue (CreateObject<UanNoiseModelDefault> ()),
MakePointerAccessor (&UanChannel::m_noise),
MakePointerChecker<UanNoiseModel> ())
;
return tid;
}
void TextbookBoyerMoore<C>::FreeBody(ArenaAllocator* allocator, CharCount patLen)
{
if(goodSuffix)
{
AdeleteArray(allocator, patLen + 1, PointerValue(goodSuffix));
#if DBG
goodSuffix = nullptr;
#endif
}
lastOccurrence.FreeBody(allocator);
}
TypeId
NonCommunicatingNetDevice::GetTypeId (void)
{
static TypeId tid = TypeId ("ns3::NonCommunicatingNetDevice")
.SetParent<NetDevice> ()
.AddConstructor<NonCommunicatingNetDevice> ()
.AddAttribute ("Phy", "The PHY layer attached to this device.",
PointerValue (),
MakePointerAccessor (&NonCommunicatingNetDevice::GetPhy,
&NonCommunicatingNetDevice::SetPhy),
MakePointerChecker<Object> ())
;
return tid;
}
Clip *
TypedValue::ClipValue(QuasiStack *stack)
{
return (type == S_CLIP)? (Clip *)PointerValue(stack):nullptr;
}
int
main(int argc, char* argv[])
{
// setting default parameters for Wifi
// enable rts cts all the time.
Config::SetDefault ("ns3::WifiRemoteStationManager::RtsCtsThreshold", StringValue ("0"));
// disable fragmentation
Config::SetDefault ("ns3::WifiRemoteStationManager::FragmentationThreshold", StringValue ("2200"));
Config::SetDefault("ns3::WifiRemoteStationManager::NonUnicastMode",
StringValue("OfdmRate24Mbps"));
// setting default parameters for PointToPoint links and channels
Config::SetDefault("ns3::PointToPointNetDevice::DataRate", StringValue("1Mbps"));
Config::SetDefault("ns3::PointToPointChannel::Delay", StringValue("10ms"));
Config::SetDefault("ns3::DropTailQueue::MaxPackets", StringValue("20"));
std::uint32_t max_routers = 1;
std::string cSize = "100";
std::string cSplit = "75";
// Read optional command-line parameters (e.g., enable visualizer with ./waf --run=<> --visualize
CommandLine cmd;
cmd.AddValue("cSize", "Cache Size", cSize);
cmd.AddValue("cSplit", "Cache Split", cSplit);
cmd.AddValue("routers", "number of routers", max_routers);
cmd.Parse(argc, argv);
Packet::EnablePrinting ();
// Wifi config
WifiHelper wifi = WifiHelper::Default ();
// Nodes
NodeContainer sta_consumers;
NodeContainer sta_mobile_consumers;
NodeContainer ap;
NodeContainer routers;
NodeContainer producers;
// ??
NetDeviceContainer staDevs;
PacketSocketHelper packetSocket;
// 5 stationary consumers, 5 mobile, 4 APs and 1 router
sta_consumers.Create(3*max_routers);
sta_mobile_consumers.Create(7*max_routers);
ap.Create (5*max_routers);
routers.Create(max_routers);
producers.Create(1);
// give packet socket powers to nodes.
packetSocket.Install(sta_mobile_consumers);
packetSocket.Install(sta_consumers);
packetSocket.Install (ap);
// Wifi Config
NqosWifiMacHelper wifiMac = NqosWifiMacHelper::Default ();
YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
YansWifiChannelHelper wifiChannel = YansWifiChannelHelper::Default ();
wifiPhy.SetChannel (wifiChannel.Create ());
wifiPhy.Set("TxPowerStart", DoubleValue(5));
wifiPhy.Set("TxPowerEnd", DoubleValue(5));
Ssid ssid = Ssid ("wifi-default");
wifi.SetRemoteStationManager ("ns3::ArfWifiManager");
// setup stas.
wifiMac.SetType ("ns3::StaWifiMac",
"Ssid", SsidValue (ssid),
"ActiveProbing", BooleanValue (false));
// install wifi
wifi.Install(wifiPhy, wifiMac, sta_mobile_consumers);
wifi.Install(wifiPhy, wifiMac, sta_consumers);
// setup ap.
wifiMac.SetType ("ns3::ApWifiMac",
"Ssid", SsidValue (ssid));
wifi.Install (wifiPhy, wifiMac, ap);
// Mobility config -- Change max_routers value to change size of sim
int number_rows = sqrt(max_routers);
int x = 0;
int y = 0;
int pos_counter = 0;
Ptr<UniformRandomVariable> randomizerX = CreateObject<UniformRandomVariable>();
Ptr<UniformRandomVariable> randomizerY = CreateObject<UniformRandomVariable>();
MobilityHelper stationary_mobility;
stationary_mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel");
MobilityHelper mobility;
mobility.SetMobilityModel("ns3::GaussMarkovMobilityModel", "Bounds", BoxValue(Box (0, number_rows*10, 0, number_rows*10, 0, 0)),
"TimeStep", TimeValue(Seconds(1)));
// Place router in center of box
randomizerX->SetAttribute("Min", DoubleValue(5));
randomizerX->SetAttribute("Max", DoubleValue(5));
randomizerY->SetAttribute("Min", DoubleValue(5));
randomizerY->SetAttribute("Max", DoubleValue(5));
stationary_mobility.SetPositionAllocator("ns3::RandomBoxPositionAllocator", "X", PointerValue(randomizerX),
"Y", PointerValue(randomizerY));
// Install on routers
stationary_mobility.Install(producers.Get(0));
// p2p helper
PointToPointHelper p2p;
// for each row
for (int i=0; i < number_rows; i++)
{
x = i * 10 + 5;
// for each column
for (int j=0; j < number_rows; j++)
{
y = j * 10 + 5;
// Place router in center of box
randomizerX->SetAttribute("Min", DoubleValue(x));
randomizerX->SetAttribute("Max", DoubleValue(x));
randomizerY->SetAttribute("Min", DoubleValue(y));
randomizerY->SetAttribute("Max", DoubleValue(y));
stationary_mobility.SetPositionAllocator("ns3::RandomBoxPositionAllocator", "X", PointerValue(randomizerX),
"Y", PointerValue(randomizerY));
// Install on routers
stationary_mobility.Install(routers.Get(pos_counter));
// Set box (center +/-5)
randomizerX->SetAttribute("Min", DoubleValue(x-5));
randomizerX->SetAttribute("Max", DoubleValue(x+5));
randomizerY->SetAttribute("Min", DoubleValue(y-5));
randomizerY->SetAttribute("Max", DoubleValue(y+5));
// Connect router to previous if not 1
if (pos_counter == 0)
{
p2p.Install(routers.Get(0), producers.Get(0));
}
else // Otherwise connect to router behind you
{
p2p.Install(routers.Get(pos_counter), routers.Get(pos_counter-1));
}
// APs
for (int k=0; k < 5; k++)
{
stationary_mobility.SetPositionAllocator("ns3::RandomBoxPositionAllocator", "X", PointerValue(randomizerX),
"Y", PointerValue(randomizerY));
stationary_mobility.Install(ap.Get(pos_counter * 5 + k));
p2p.Install(routers.Get(pos_counter), ap.Get(pos_counter * 5 + k));
}
// Consumers (stationary)
for (int l=0; l < 3; l++)
{
stationary_mobility.SetPositionAllocator("ns3::RandomBoxPositionAllocator", "X", PointerValue(randomizerX),
"Y", PointerValue(randomizerY));
stationary_mobility.Install(sta_consumers.Get(pos_counter * 3 + l));
}
// Consumers (Mobile)
for (int m=0; m < 7; m++)
{
mobility.SetPositionAllocator("ns3::RandomBoxPositionAllocator", "X", PointerValue(randomizerX),
"Y", PointerValue(randomizerY));
mobility.Install(sta_mobile_consumers.Get(pos_counter * 7 + m));
}
// Keep track of overall position
pos_counter++;
}
}
// Install NDN stack on all nodes
ndn::StackHelper ndnHelper;
ndnHelper.SetDefaultRoutes(true);
ndnHelper.SetOldContentStore("ns3::ndn::cs::Splitcache",
"NormalPolicy", "ns3::ndn::cs::Lru",
"SpecialPolicy", "ns3::ndn::cs::Lfu",
"TotalCacheSize", cSize,
"Configure", cSplit);
// Percentage Special^
//ndnHelper.SetOldContentStore("ns3::ndn::cs::Lru");
ndnHelper.Install(ap);
ndnHelper.Install(routers);
ndnHelper.SetOldContentStore("ns3::ndn::cs::Nocache");
ndnHelper.Install(sta_consumers);
ndnHelper.Install(sta_mobile_consumers);
ndnHelper.Install(producers);
// Choosing forwarding strategy
ndn::StrategyChoiceHelper::Install(sta_consumers, "/", "/localhost/nfd/strategy/best-route");
ndn::StrategyChoiceHelper::Install(sta_mobile_consumers, "/", "/localhost/nfd/strategy/best-route");
ndn::StrategyChoiceHelper::Install(ap, "/", "/localhost/nfd/strategy/best-route");
ndn::StrategyChoiceHelper::Install(routers, "/", "/localhost/nfd/strategy/best-route");
ndn::StrategyChoiceHelper::Install(producers, "/", "/localhost/nfd/strategy/best-route");
// Installing applications
// Consumer (basic and special data)
ndn::AppHelper consumerHelper("ns3::ndn::ConsumerZipfMandelbrot");
consumerHelper.SetAttribute("NumberOfContents", StringValue("100")); // 10 different contents
// Consumer will request /prefix/0, /prefix/1, ...
// Basic consumers request basic data (and pumpkin spice coffee)
consumerHelper.SetPrefix("data/basic");
consumerHelper.SetAttribute("Frequency", StringValue("10")); // 1 interests a second
consumerHelper.Install(sta_consumers);
// Mobile consumers request special data only
consumerHelper.SetPrefix("data/special");
consumerHelper.SetAttribute("Frequency", StringValue("10")); // 2 interests a second
consumerHelper.Install(sta_mobile_consumers);
// Producer
ndn::AppHelper producerHelper("ns3::ndn::Producer");
// Producer will reply to all requests starting with /prefix
producerHelper.SetPrefix("/data");
producerHelper.SetAttribute("PayloadSize", StringValue("1024"));
producerHelper.SetAttribute("Freshness", TimeValue(Seconds(-1.0))); // unlimited freshness
producerHelper.Install(producers);
// Tracers 'n stuff
//AthstatsHelper athstats;
//athstats.EnableAthstats("athstats-sta", sta_mobile_consumers);
//athstats.EnableAthstats("athstats-sta", sta_consumers);
//athstats.EnableAthstats ("athstats-ap", ap);
ndn::AppDelayTracer::Install(sta_consumers, "app-delays-trace-stationary-03.txt");
ndn::AppDelayTracer::Install(sta_mobile_consumers, "app-delays-trace-mobile-03.txt");
ndn::CsTracer::Install(ap, "cs-trace-ap-03.txt", Seconds(1));
ndn::CsTracer::Install(routers, "cs-trace-routers-03.txt", Seconds(1));
// 10 min
Simulator::Stop(Seconds(600.0));
Simulator::Run();
Simulator::Destroy();
return 0;
}
TypePath * TypePath::Branch(Recycler * recycler, int pathLength, bool couldSeeProto)
{
AssertMsg(pathLength < this->GetPathLength(), "Why are we branching at the tip of the type path?");
// Ensure there is at least one free entry in the new path, so we can extend it.
// TypePath::New will take care of aligning this appropriately.
TypePath * branchedPath = TypePath::New(recycler, pathLength + 1);
for (PropertyIndex i = 0; i < pathLength; i++)
{
branchedPath->AddInternal(assignments[i]);
#ifdef SUPPORT_FIXED_FIELDS_ON_PATH_TYPES
if (couldSeeProto)
{
if (this->GetData()->usedFixedFields.Test(i))
{
// We must conservatively copy all used as fixed bits if some prototype instance could also take
// this transition. See comment in PathTypeHandlerBase::ConvertToSimpleDictionaryType.
// Yes, we could devise a more efficient way of copying bits 1 through pathLength, if performance of this
// code path proves important enough.
branchedPath->GetData()->usedFixedFields.Set(i);
}
else if (this->GetData()->fixedFields.Test(i))
{
// We must clear any fixed fields that are not also used as fixed if some prototype instance could also take
// this transition. See comment in PathTypeHandlerBase::ConvertToSimpleDictionaryType.
this->GetData()->fixedFields.Clear(i);
}
}
#endif
}
#ifdef SUPPORT_FIXED_FIELDS_ON_PATH_TYPES
// When branching, we must ensure that fixed field values on the prefix shared by the two branches are always
// consistent. Hence, we can't leave any of them uninitialized, because they could later get initialized to
// different values, by two different instances (one on the old branch and one on the new branch). If that happened
// and the instance from the old branch later switched to the new branch, it would magically gain a different set
// of fixed properties!
if (this->GetMaxInitializedLength() < pathLength)
{
this->SetMaxInitializedLength(pathLength);
}
branchedPath->SetMaxInitializedLength(pathLength);
#endif
#ifdef SUPPORT_FIXED_FIELDS_ON_PATH_TYPES
if (PHASE_VERBOSE_TRACE1(FixMethodPropsPhase))
{
Output::Print(_u("FixedFields: TypePath::Branch: singleton: 0x%p(0x%p)\n"), PointerValue(this->singletonInstance), this->singletonInstance->Get());
Output::Print(_u(" fixed fields:"));
for (PropertyIndex i = 0; i < GetPathLength(); i++)
{
Output::Print(_u(" %s %d%d%d,"), GetPropertyId(i)->GetBuffer(),
i < GetMaxInitializedLength() ? 1 : 0,
GetIsFixedFieldAt(i, GetPathLength()) ? 1 : 0,
GetIsUsedFixedFieldAt(i, GetPathLength()) ? 1 : 0);
}
Output::Print(_u("\n"));
}
#endif
return branchedPath;
}
