A Discrete-Event Network Simulator
API
main-random-walk.cc
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1 /*
2  * Copyright (c) 2006,2007 INRIA
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 as
6  * published by the Free Software Foundation;
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program; if not, write to the Free Software
15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16  */
17 
18 #include "ns3/core-module.h"
19 #include "ns3/mobility-module.h"
20 
21 using namespace ns3;
22 
28 static void
30 {
31  Vector pos = mobility->GetPosition();
32  Vector vel = mobility->GetVelocity();
33  std::cout << Simulator::Now() << ", model=" << mobility << ", POS: x=" << pos.x
34  << ", y=" << pos.y << ", z=" << pos.z << "; VEL:" << vel.x << ", y=" << vel.y
35  << ", z=" << vel.z << std::endl;
36 }
37 
38 int
39 main(int argc, char* argv[])
40 {
41  Config::SetDefault("ns3::RandomWalk2dMobilityModel::Mode", StringValue("Time"));
42  Config::SetDefault("ns3::RandomWalk2dMobilityModel::Time", StringValue("2s"));
43  Config::SetDefault("ns3::RandomWalk2dMobilityModel::Speed",
44  StringValue("ns3::ConstantRandomVariable[Constant=1.0]"));
45  Config::SetDefault("ns3::RandomWalk2dMobilityModel::Bounds", StringValue("0|200|0|200"));
46 
47  CommandLine cmd(__FILE__);
48  cmd.Parse(argc, argv);
49 
50  NodeContainer c;
51  c.Create(100);
52 
54  mobility.SetPositionAllocator("ns3::RandomDiscPositionAllocator",
55  "X",
56  StringValue("100.0"),
57  "Y",
58  StringValue("100.0"),
59  "Rho",
60  StringValue("ns3::UniformRandomVariable[Min=0|Max=30]"));
61  mobility.SetMobilityModel("ns3::RandomWalk2dMobilityModel",
62  "Mode",
63  StringValue("Time"),
64  "Time",
65  StringValue("2s"),
66  "Speed",
67  StringValue("ns3::ConstantRandomVariable[Constant=1.0]"),
68  "Bounds",
69  StringValue("0|200|0|200"));
70  mobility.InstallAll();
71  Config::Connect("/NodeList/*/$ns3::MobilityModel/CourseChange", MakeCallback(&CourseChange));
72 
73  Simulator::Stop(Seconds(100.0));
74 
76 
78  return 0;
79 }
Parse command-line arguments.
Definition: command-line.h:232
Helper class used to assign positions and mobility models to nodes.
keep track of a set of node pointers.
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:77
static void Destroy()
Execute the events scheduled with ScheduleDestroy().
Definition: simulator.cc:142
static Time Now()
Return the current simulation virtual time.
Definition: simulator.cc:208
static void Run()
Run the simulation.
Definition: simulator.cc:178
static void Stop()
Tell the Simulator the calling event should be the last one executed.
Definition: simulator.cc:186
Hold variables of type string.
Definition: string.h:56
void SetDefault(std::string name, const AttributeValue &value)
Definition: config.cc:890
void Connect(std::string path, const CallbackBase &cb)
Definition: config.cc:974
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1326
static void CourseChange(std::string context, Ptr< const MobilityModel > mobility)
Function called when there is a course change.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
Callback< R, Args... > MakeCallback(R(T::*memPtr)(Args...), OBJ objPtr)
Build Callbacks for class method members which take varying numbers of arguments and potentially retu...
Definition: callback.h:704
cmd
Definition: second.py:40
mobility
Definition: third.py:105