A Discrete-Event Network Simulator
API
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main-random-walk.cc
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1/*
2 * Copyright (c) 2006,2007 INRIA
3 *
4 * SPDX-License-Identifier: GPL-2.0-only
5 */
6
7#include "ns3/core-module.h"
8#include "ns3/mobility-module.h"
9
10using namespace ns3;
11
12/**
13 * Function called when there is a course change
14 * \param context event context
15 * \param mobility a pointer to the mobility model
16 */
17static void
18CourseChange(std::string context, Ptr<const MobilityModel> mobility)
19{
20 Vector pos = mobility->GetPosition();
21 Vector vel = mobility->GetVelocity();
22 std::cout << Simulator::Now() << ", model=" << mobility << ", POS: x=" << pos.x
23 << ", y=" << pos.y << ", z=" << pos.z << "; VEL:" << vel.x << ", y=" << vel.y
24 << ", z=" << vel.z << std::endl;
25}
26
27int
28main(int argc, char* argv[])
29{
30 Config::SetDefault("ns3::RandomWalk2dMobilityModel::Mode", StringValue("Time"));
31 Config::SetDefault("ns3::RandomWalk2dMobilityModel::Time", StringValue("2s"));
32 Config::SetDefault("ns3::RandomWalk2dMobilityModel::Speed",
33 StringValue("ns3::ConstantRandomVariable[Constant=1.0]"));
34 Config::SetDefault("ns3::RandomWalk2dMobilityModel::Bounds", StringValue("0|200|0|200"));
35
36 CommandLine cmd(__FILE__);
37 cmd.Parse(argc, argv);
38
40 c.Create(100);
41
43 mobility.SetPositionAllocator("ns3::RandomDiscPositionAllocator",
44 "X",
45 StringValue("100.0"),
46 "Y",
47 StringValue("100.0"),
48 "Rho",
49 StringValue("ns3::UniformRandomVariable[Min=0|Max=30]"));
50 mobility.SetMobilityModel("ns3::RandomWalk2dMobilityModel",
51 "Mode",
52 StringValue("Time"),
53 "Time",
54 StringValue("2s"),
55 "Speed",
56 StringValue("ns3::ConstantRandomVariable[Constant=1.0]"),
57 "Bounds",
58 StringValue("0|200|0|200"));
59 mobility.InstallAll();
60 Config::Connect("/NodeList/*/$ns3::MobilityModel/CourseChange", MakeCallback(&CourseChange));
61
63
65
67 return 0;
68}
Parse command-line arguments.
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.
static void Destroy()
Execute the events scheduled with ScheduleDestroy().
Definition simulator.cc:131
static Time Now()
Return the current simulation virtual time.
Definition simulator.cc:197
static void Run()
Run the simulation.
Definition simulator.cc:167
static void Stop()
Tell the Simulator the calling event should be the last one executed.
Definition simulator.cc:175
Hold variables of type string.
Definition string.h:45
void SetDefault(std::string name, const AttributeValue &value)
Definition config.cc:883
void Connect(std::string path, const CallbackBase &cb)
Definition config.cc:967
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition nstime.h:1308
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:684
mobility
Definition third.py:92