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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.
18 #include "ns3/core-module.h"
19 #include "ns3/network-module.h"
20 #include "ns3/csma-module.h"
21 #include "ns3/csma-star-helper.h"
22 #include "ns3/applications-module.h"
23 #include "ns3/internet-module.h"
24 #include "ns3/ipv6-address-generator.h"
49 main (
int argc,
char *argv[])
69 cmd.AddValue (
"nSpokes",
"Number of spoke nodes to place in the star", nSpokes);
70 cmd.AddValue (
"useIpv6",
"Use Ipv6", useIpv6);
71 cmd.Parse (argc, argv);
89 for (uint32_t i = 0; i < star.GetSpokeDevices ().GetN (); ++i)
95 fillNodes.
Add (newNodes);
96 fillDevices.
Add (
csma.Install (newNodes, csmaChannel));
99 NS_LOG_INFO (
"Install internet stack on all nodes.");
101 star.InstallStack (internet);
111 star.AssignIpv6Addresses (ipv6AddressBase, ipv6AddressPrefix);
126 for(uint32_t i = 0; i < star.SpokeCount (); ++i)
130 std::ostringstream subnet;
131 subnet <<
"10.1." << i <<
".0";
132 NS_LOG_INFO (
"Assign IP Addresses for CSMA subnet " << subnet.str ());
133 address.SetBase (subnet.str ().c_str (),
"255.255.255.0",
"0.0.0.3");
135 for (uint32_t j = 0; j < nFill; ++j)
137 address.Assign (fillDevices.
Get (i * nFill + j));
144 address6.
SetBase (v6network, ipv6AddressPrefix);
146 for (uint32_t j = 0; j < nFill; ++j)
148 address6.
Assign(fillDevices.
Get (i * nFill + j));
157 uint16_t
port = 50000;
162 PacketSinkHelper packetSinkHelper (
"ns3::TcpSocketFactory", hubLocalAddress);
170 PacketSinkHelper packetSinkHelper6 (
"ns3::TcpSocketFactory", hubLocalAddress6);
180 onOffHelper.SetAttribute (
"OnTime",
StringValue (
"ns3::ConstantRandomVariable[Constant=1]"));
181 onOffHelper.SetAttribute (
"OffTime",
StringValue (
"ns3::ConstantRandomVariable[Constant=0]"));
185 for (uint32_t i = 0; i < star.SpokeCount (); ++i)
190 onOffHelper.SetAttribute (
"Remote", remoteAddress);
195 onOffHelper.SetAttribute (
"Remote", remoteAddress);
197 spokeApps.
Add (onOffHelper.Install (star.GetSpokeNode (i)));
213 for (uint32_t i = 0; i < fillNodes.
GetN (); ++i)
224 onOffHelper.SetAttribute (
"Remote", remoteAddress);
225 fillApps.
Add (onOffHelper.Install (fillNodes.
Get (i)));
244 csma.EnablePcapAll (
"csma-star",
false);
holds a vector of ns3::NetDevice pointers
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Parse command-line arguments.
A helper to make it easier to create a star topology with Csma links.
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.
static Ipv6Address GetNetwork(const Ipv6Prefix prefix)
Get the current network of the given Ipv6Prefix.
AttributeValue implementation for Address.
Describes an IPv6 address.
uint32_t GetN(void) const
Get the number of Ptr<Node> stored in this container.
void SetBase(Ipv6Address network, Ipv6Prefix prefix, Ipv6Address base=Ipv6Address("::1"))
Set the base network number, network prefix, and base interface ID.
Helper class to auto-assign global IPv6 unicast addresses.
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
build a set of CsmaNetDevice objects
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.
Ipv6InterfaceContainer Assign(const NetDeviceContainer &c)
Allocate an Ipv6InterfaceContainer with auto-assigned addresses.
static void PopulateRoutingTables(void)
Build a routing database and initialize the routing tables of the nodes in the simulation.
a polymophic address class
void Install(std::string nodeName) const
Aggregate implementations of the ns3::Ipv4, ns3::Ipv6, ns3::Udp, and ns3::Tcp classes onto the provid...
A helper to make it easier to instantiate an ns3::OnOffApplication on a set of nodes.
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
static void Run(void)
Run the simulation.
Hold variables of type string.
A helper to make it easier to instantiate an ns3::PacketSinkApplication on a set of nodes.
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.
static void Destroy(void)
Execute the events scheduled with ScheduleDestroy().
holds a vector of ns3::Application pointers.
static Ipv6Address GetAny()
Get the "any" (::) Ipv6Address.
keep track of a set of node pointers.
Hold an unsigned integer type.
void SetDefault(std::string name, const AttributeValue &value)
static void Init(const Ipv6Address net, const Ipv6Prefix prefix, const Ipv6Address interfaceId="::1")
Initialise the base network and interfaceId for the generator.
Describes an IPv6 prefix.
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.
void Add(NetDeviceContainer other)
Append the contents of another NetDeviceContainer to the end of this container.