A Discrete-Event Network Simulator
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main-random-walk.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 
3 #include "ns3/core-module.h"
4 #include "ns3/mobility-module.h"
5 
6 using namespace ns3;
7 
8 static void
9 CourseChange (std::string foo, Ptr<const MobilityModel> mobility)
10 {
11  Vector pos = mobility->GetPosition ();
12  Vector vel = mobility->GetVelocity ();
13  std::cout << Simulator::Now () << ", model=" << mobility << ", POS: x=" << pos.x << ", y=" << pos.y
14  << ", z=" << pos.z << "; VEL:" << vel.x << ", y=" << vel.y
15  << ", z=" << vel.z << std::endl;
16 }
17 
18 int main (int argc, char *argv[])
19 {
20  Config::SetDefault ("ns3::RandomWalk2dMobilityModel::Mode", StringValue ("Time"));
21  Config::SetDefault ("ns3::RandomWalk2dMobilityModel::Time", StringValue ("2s"));
22  Config::SetDefault ("ns3::RandomWalk2dMobilityModel::Speed", StringValue ("ns3::ConstantRandomVariable[Constant=1.0]"));
23  Config::SetDefault ("ns3::RandomWalk2dMobilityModel::Bounds", StringValue ("0|200|0|200"));
24 
25  CommandLine cmd;
26  cmd.Parse (argc, argv);
27 
28  NodeContainer c;
29  c.Create (100);
30 
31  MobilityHelper mobility;
32  mobility.SetPositionAllocator ("ns3::RandomDiscPositionAllocator",
33  "X", StringValue ("100.0"),
34  "Y", StringValue ("100.0"),
35  "Rho", StringValue ("ns3::UniformRandomVariable[Min=0|Max=30]"));
36  mobility.SetMobilityModel ("ns3::RandomWalk2dMobilityModel",
37  "Mode", StringValue ("Time"),
38  "Time", StringValue ("2s"),
39  "Speed", StringValue ("ns3::ConstantRandomVariable[Constant=1.0]"),
40  "Bounds", StringValue ("0|200|0|200"));
41  mobility.InstallAll ();
42  Config::Connect ("/NodeList/*/$ns3::MobilityModel/CourseChange",
43  MakeCallback (&CourseChange));
44 
45  Simulator::Stop (Seconds (100.0));
46 
47  Simulator::Run ();
48 
49  Simulator::Destroy ();
50  return 0;
51 }