21 #include "ns3/core-module.h"    22 #include "ns3/network-module.h"    23 #include "ns3/internet-module.h"    24 #include "ns3/point-to-point-module.h"    25 #include "ns3/netanim-module.h"    26 #include "ns3/applications-module.h"    27 #include "ns3/point-to-point-layout-module.h"    31 int main (
int argc, 
char *argv[])
    36   uint32_t    nLeftLeaf = 5;
    37   uint32_t    nRightLeaf = 5;
    39   std::string animFile = 
"dumbbell-animation.xml" ;  
    42   cmd.AddValue (
"nLeftLeaf", 
"Number of left side leaf nodes", nLeftLeaf);
    43   cmd.AddValue (
"nRightLeaf",
"Number of right side leaf nodes", nRightLeaf);
    44   cmd.AddValue (
"nLeaf",     
"Number of left and right side leaf nodes", nLeaf);
    45   cmd.AddValue (
"animFile",  
"File Name for Animation Output", animFile);
    47   cmd.Parse (argc,argv);
    63                                 nRightLeaf, pointToPointLeaf,
    68   d.InstallStack (
stack);
    77   clientHelper.SetAttribute (
"OnTime", 
StringValue (
"ns3::UniformRandomVariable"));
    78   clientHelper.SetAttribute (
"OffTime", 
StringValue (
"ns3::UniformRandomVariable"));
    81   for (uint32_t i = 0; i < ((d.RightCount () < d.LeftCount ()) ? d.RightCount () : d.LeftCount ()); ++i)
    85       clientHelper.SetAttribute (
"Remote", remoteAddress);
    86       clientApps.Add (clientHelper.Install (d.GetRight (i)));
    93   d.BoundingBox (1, 1, 100, 100);
    97   anim.EnablePacketMetadata (); 
   104   std::cout << 
"Animation Trace file created:" << animFile.c_str ()<< std::endl;
 holds a vector of ns3::Application pointers. 
static void PopulateRoutingTables(void)
Build a routing database and initialize the routing tables of the nodes in the simulation. 
Hold variables of type string. 
static void Run(void)
Run the simulation. 
aggregate IP/TCP/UDP functionality to existing Nodes. 
Build a set of PointToPointNetDevice objects. 
void SetDeviceAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each NetDevice created by the helper. 
A helper to make it easier to instantiate an ns3::OnOffApplication on a set of nodes. 
a polymophic address class 
Hold an unsigned integer type. 
Parse command-line arguments. 
static void Destroy(void)
Execute the events scheduled with ScheduleDestroy(). 
Every class exported by the ns3 library is enclosed in the ns3 namespace. 
void SetChannelAttribute(std::string name, const AttributeValue &value)
Set an attribute value to be propagated to each Channel created by the helper. 
  AttributeValue implementation for Address. 
Time Seconds(double value)
Construct a Time in the indicated unit. 
void SetDefault(std::string name, const AttributeValue &value)
Interface to network animator. 
A helper to make it easier to create a dumbbell topology with p2p links. 
A helper class to make life easier while doing simple IPv4 address assignment in scripts.