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A Discrete-Event Network Simulator
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API
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Go to the documentation of this file.
69 #include "ns3/core-module.h"
70 #include "ns3/network-module.h"
71 #include "ns3/mpi-interface.h"
72 #include "ns3/ipv4-global-routing-helper.h"
73 #include "ns3/point-to-point-helper.h"
74 #include "ns3/internet-stack-helper.h"
75 #include "ns3/nix-vector-helper.h"
76 #include "ns3/ipv4-address-helper.h"
77 #include "ns3/on-off-helper.h"
78 #include "ns3/packet-sink-helper.h"
86 main (
int argc,
char *argv[])
96 cmd.AddValue (
"nix",
"Enable the use of nix-vector or global routing", nix);
97 cmd.AddValue (
"nullmsg",
"Enable the use of null-message synchronization", nullmsg);
98 cmd.AddValue (
"tracing",
"Enable pcap tracing",
tracing);
99 cmd.AddValue (
"verbose",
"verbose output",
verbose);
100 cmd.AddValue (
"test",
"Enable regression test output", testing);
101 cmd.Parse (argc, argv);
127 uint32_t rightHalfSystemId = 777;
131 if (systemCount == 2)
133 rightHalfSystemId = 0;
135 else if (systemCount == 3)
137 rightHalfSystemId = 1;
141 std::cout <<
"This simulation requires 2 or 3 logical processors." << std::endl;
152 leftLeafNodes.
Create (4, 0);
158 Ptr<Node> routerNode1 = CreateObject<Node> (0);
159 Ptr<Node> routerNode2 = CreateObject<Node> (rightHalfSystemId);
160 routerNodes.
Add (routerNode1);
161 routerNodes.
Add (routerNode2);
165 rightLeafNodes.
Create (4, rightHalfSystemId);
177 routerDevices = routerLink.
Install (routerNodes);
182 for (uint32_t i = 0; i < 4; ++i)
185 leftLeafDevices.
Add (temp.
Get (0));
186 leftRouterDevices.
Add (temp.
Get (1));
192 for (uint32_t i = 0; i < 4; ++i)
195 rightLeafDevices.
Add (temp.
Get (0));
196 rightRouterDevices.
Add (temp.
Get (1));
203 stack.SetRoutingHelper (nixRouting);
215 leftAddress.
SetBase (
"10.1.1.0",
"255.255.255.0");
218 routerAddress.
SetBase (
"10.2.1.0",
"255.255.255.0");
221 rightAddress.
SetBase (
"10.3.1.0",
"255.255.255.0");
224 routerInterfaces = routerAddress.
Assign (routerDevices);
227 for (uint32_t i = 0; i < 4; ++i)
230 ndc.
Add (leftLeafDevices.
Get (i));
231 ndc.
Add (leftRouterDevices.
Get (i));
233 leftLeafInterfaces.
Add (ifc.
Get (0));
234 leftRouterInterfaces.
Add (ifc.
Get (1));
239 for (uint32_t i = 0; i < 4; ++i)
242 ndc.
Add (rightLeafDevices.
Get (i));
243 ndc.
Add (rightRouterDevices.
Get (i));
245 rightLeafInterfaces.
Add (ifc.
Get (0));
246 rightRouterInterfaces.
Add (ifc.
Get (1));
259 routerLink.
EnablePcap(
"router-left", routerDevices,
true);
260 leafLink.
EnablePcap(
"leaf-left", leftLeafDevices,
true);
263 if (systemId == rightHalfSystemId)
265 routerLink.
EnablePcap(
"router-right", routerDevices,
true);
266 leafLink.
EnablePcap(
"leaf-right", rightLeafDevices,
true);
271 uint16_t
port = 50000;
272 if (systemId == rightHalfSystemId)
277 for (uint32_t i = 0; i < 4; ++i)
279 sinkApp.
Add (sinkHelper.Install (rightLeafNodes.
Get (i)));
293 clientHelper.SetAttribute
294 (
"OnTime",
StringValue (
"ns3::ConstantRandomVariable[Constant=1]"));
295 clientHelper.SetAttribute
296 (
"OffTime",
StringValue (
"ns3::ConstantRandomVariable[Constant=0]"));
299 for (uint32_t i = 0; i < 4; ++i)
303 clientHelper.SetAttribute (
"Remote", remoteAddress);
304 clientApps.Add (clientHelper.Install (leftLeafNodes.
Get (i)));
holds a vector of ns3::NetDevice pointers
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Ptr< Application > Get(uint32_t i) const
Get the Ptr<Application> stored in this container at a given index.
Parse command-line arguments.
@ LOG_LEVEL_INFO
LOG_INFO and above.
void EnablePcap(std::string prefix, Ptr< NetDevice > nd, bool promiscuous=false, bool explicitFilename=false)
Enable pcap output the indicated net device.
Ipv4Address NewNetwork(void)
Increment the network number and reset the IP address counter to the base value provided in the SetBa...
bool tracing
Flag to enable/disable generation of tracing files.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
void Stop(Time stop)
Arrange for all of the Applications in this container to Stop() at the Time given as a parameter.
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
void SetDeviceAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each NetDevice created by the helper.
void SetChannelAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each Channel created by the helper.
@ LOG_PREFIX_NODE
Prefix all trace prints with simulation node.
AttributeValue implementation for Address.
static void Disable()
Clean up the ns-3 parallel communications interface.
void LogComponentEnable(char const *name, enum LogLevel level)
Enable the logging output associated with that log component.
NetDeviceContainer Install(NodeContainer c)
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
static void Verify(unsigned long expectedCount)
Verify the sink trace count observed matches the expected count.
void Add(ApplicationContainer other)
Append the contents of another ApplicationContainer to the end of this container.
void Add(NodeContainer other)
Append the contents of another NodeContainer to the end of this container.
void SetBase(Ipv4Address network, Ipv4Mask mask, Ipv4Address base="0.0.0.1")
Set the base network number, network mask and base address.
Helper class that adds Nix-vector routing to nodes.
static void PopulateRoutingTables(void)
Build a routing database and initialize the routing tables of the nodes in the simulation.
static void Stop(void)
Tell the Simulator the calling event should be the last one executed.
Common methods for MPI examples.
a polymophic address class
A helper to make it easier to instantiate an ns3::OnOffApplication on a set of nodes.
static void Enable(int *pargc, char ***pargv)
Setup the parallel communication interface.
holds a vector of std::pair of Ptr<Ipv4> and interface index.
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
std::pair< Ptr< Ipv4 >, uint32_t > Get(uint32_t i) const
Get the std::pair of an Ptr<Ipv4> and interface stored at the location specified by the index.
Callback< R, Ts... > MakeCallback(R(T::*memPtr)(Ts...), OBJ objPtr)
Build Callbacks for class method members which take varying numbers of arguments and potentially retu...
static void Run(void)
Run the simulation.
Hold variables of type string.
static void Bind(std::string name, const AttributeValue &value)
Iterate over the set of GlobalValues until a matching name is found and then set its value with Globa...
A helper to make it easier to instantiate an ns3::PacketSinkApplication on a set of nodes.
static void SinkTrace(const ns3::Ptr< const ns3::Packet > packet, const ns3::Address &srcAddress, const ns3::Address &destAddress)
PacketSink receive trace callback.
static void Init(void)
PacketSink receive trace callback.
@ LOG_PREFIX_TIME
Prefix all trace prints with simulation time.
static Ipv4Address GetAny(void)
void Start(Time start)
Arrange for all of the Applications in this container to Start() at the Time given as a parameter.
Time Seconds(double value)
Construct a Time in the indicated unit.
void Add(const Ipv4InterfaceContainer &other)
Concatenate the entries in the other container with ours.
Ipv4InterfaceContainer Assign(const NetDeviceContainer &c)
Assign IP addresses to the net devices specified in the container based on the current network prefix...
static void Destroy(void)
Execute the events scheduled with ScheduleDestroy().
LogLevel
Logging severity classes and levels.
holds a vector of ns3::Application pointers.
Build a set of PointToPointNetDevice objects.
keep track of a set of node pointers.
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const
Hold an unsigned integer type.
void SetDefault(std::string name, const AttributeValue &value)
bool TraceConnectWithoutContext(std::string name, const CallbackBase &cb)
Connect a TraceSource to a Callback without a context.
aggregate IP/TCP/UDP functionality to existing Nodes.
Ptr< NetDevice > Get(uint32_t i) const
Get the Ptr<NetDevice> stored in this container at a given index.
static uint32_t GetSystemId()
Get the id number of this rank.
void Add(NetDeviceContainer other)
Append the contents of another NetDeviceContainer to the end of this container.
static uint32_t GetSize()
Get the number of ranks used by ns-3.