A Discrete-Event Network Simulator
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hwmp-simplest-regression.cc
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1/*
2 * Copyright (c) 2009 IITP RAS
3 *
4 * SPDX-License-Identifier: GPL-2.0-only
5 *
6 * Authors: Kirill Andreev <andreev@iitp.ru>
7 */
8
10
11#include "ns3/abort.h"
12#include "ns3/double.h"
13#include "ns3/internet-stack-helper.h"
14#include "ns3/ipv4-address-helper.h"
15#include "ns3/mesh-helper.h"
16#include "ns3/mobility-helper.h"
17#include "ns3/mobility-model.h"
18#include "ns3/pcap-test.h"
19#include "ns3/random-variable-stream.h"
20#include "ns3/rng-seed-manager.h"
21#include "ns3/simulator.h"
22#include "ns3/string.h"
23#include "ns3/uinteger.h"
24#include "ns3/yans-wifi-helper.h"
25
26#include <sstream>
27
28using namespace ns3;
29
30/// Unique PCAP file name prefix
31const char* const PREFIX = "hwmp-simplest-regression-test";
32
34 : TestCase("Simplest HWMP regression test"),
35 m_nodes(nullptr),
36 m_time(Seconds(15)),
37 m_sentPktsCounter(0)
38{
39}
40
45
46void
63
64void
66{
68 m_nodes->Create(2);
69 MobilityHelper mobility;
70 mobility.SetPositionAllocator("ns3::GridPositionAllocator",
71 "MinX",
72 DoubleValue(0.0),
73 "MinY",
74 DoubleValue(0.0),
75 "DeltaX",
76 DoubleValue(1 /*meter*/),
77 "DeltaY",
78 DoubleValue(0),
79 "GridWidth",
81 "LayoutType",
82 StringValue("RowFirst"));
83 mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel");
84 mobility.Install(*m_nodes);
86}
87
88void
90{
91 Ptr<Object> object = m_nodes->Get(1);
92 Ptr<MobilityModel> model = object->GetObject<MobilityModel>();
93 if (!model)
94 {
95 return;
96 }
97 model->SetPosition(Vector(9000, 0, 0));
98}
99
100void
123
124void
126{
127 int64_t streamsUsed = 0;
128 // 1. setup WiFi
129 YansWifiPhyHelper wifiPhy;
131 Ptr<YansWifiChannel> chan = wifiChannel.Create();
132 wifiPhy.SetChannel(chan);
133
134 // 2. setup mesh
136 mesh.SetStackInstaller("ns3::Dot11sStack");
137 mesh.SetMacType("RandomStart", TimeValue(Seconds(0.1)));
138 mesh.SetNumberOfInterfaces(1);
139 NetDeviceContainer meshDevices = mesh.Install(wifiPhy, *m_nodes);
140 // Two devices, ten streams per mesh device
141 streamsUsed += mesh.AssignStreams(meshDevices, streamsUsed);
142 NS_TEST_ASSERT_MSG_EQ(streamsUsed, (meshDevices.GetN() * 10), "Stream assignment mismatch");
143 streamsUsed += wifiChannel.AssignStreams(chan, streamsUsed);
144 NS_TEST_ASSERT_MSG_EQ(streamsUsed, (meshDevices.GetN() * 10), "Stream assignment mismatch");
145
146 // 3. setup TCP/IP
147 InternetStackHelper internetStack;
148 internetStack.Install(*m_nodes);
149 streamsUsed += internetStack.AssignStreams(*m_nodes, streamsUsed);
150 Ipv4AddressHelper address;
151 address.SetBase("10.1.1.0", "255.255.255.0");
152 m_interfaces = address.Assign(meshDevices);
153 // 4. write PCAP if needed
155}
156
157void
159{
160 for (int i = 0; i < 2; ++i)
161 {
162 NS_PCAP_TEST_EXPECT_EQ(PREFIX << "-" << i << "-1.pcap");
163 }
164}
165
166void
168{
169 if ((Simulator::Now() < m_time) && (m_sentPktsCounter < 300))
170 {
171 socket->Send(Create<Packet>(100));
173 Simulator::ScheduleWithContext(socket->GetNode()->GetId(),
174 Seconds(0.05),
176 this,
177 socket);
178 }
179}
180
181void
183{
184 Ptr<Packet> packet;
185 Address from;
186 while ((packet = socket->RecvFrom(from)))
187 {
188 packet->RemoveAllPacketTags();
189 packet->RemoveAllByteTags();
190
191 socket->SendTo(packet, 0, from);
192 }
193}
194
195void
197{
198 Ptr<Packet> packet;
199 Address from;
200 while ((packet = socket->RecvFrom(from)))
201 {
202 }
203}
void HandleReadClient(Ptr< Socket > socket)
Handle a packet reception.
void DoRun() override
Implementation to actually run this TestCase.
Ipv4InterfaceContainer m_interfaces
interfaces
void CheckResults()
Check results function.
void HandleReadServer(Ptr< Socket > socket)
Handle a packet reception.
void CreateDevices()
Create devices function.
Ptr< Socket > m_serverSocket
Server-side socket.
void CreateNodes()
Create nodes function.
void InstallApplications()
Install application function.
void SendData(Ptr< Socket > socket)
Send data.
uint32_t m_sentPktsCounter
sent packets counter
Ptr< Socket > m_clientSocket
Client-side socket.
a polymophic address class
Definition address.h:90
This class can be used to hold variables of floating point type such as 'double' or 'float'.
Definition double.h:31
an Inet address class
aggregate IP/TCP/UDP functionality to existing Nodes.
void Install(std::string nodeName) const
Aggregate implementations of the ns3::Ipv4, ns3::Ipv6, ns3::Udp, and ns3::Tcp classes onto the provid...
int64_t AssignStreams(NodeContainer c, int64_t stream)
Assign a fixed random variable stream number to the random variables used by this model.
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
static Ipv4Address GetAny()
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const
Helper to create IEEE 802.11s mesh networks.
Definition mesh-helper.h:33
void SetStackInstaller(std::string type, Ts &&... args)
Set the MeshStack type to use.
int64_t AssignStreams(NetDeviceContainer c, int64_t stream)
Assign a fixed random variable stream number to the random variables used by this model.
static MeshHelper Default()
Set the helper to the default values for the MAC type, remote station manager and channel policy.
void SetMacType(Ts &&... args)
Set the Mac Attributes.
NetDeviceContainer Install(const WifiPhyHelper &phyHelper, NodeContainer c) const
Install 802.11s mesh device & protocols on given node list.
void SetNumberOfInterfaces(uint32_t nInterfaces)
Set a number of interfaces in a mesh network.
Helper class used to assign positions and mobility models to nodes.
Keep track of the current position and velocity of an object.
holds a vector of ns3::NetDevice pointers
uint32_t GetN() const
Get the number of Ptr<NetDevice> stored in this container.
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.
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
uint32_t GetId() const
Definition node.cc:106
void EnablePcapAll(std::string prefix, bool promiscuous=false)
Enable pcap output on each device (which is of the appropriate type) in the set of all nodes created ...
Smart pointer class similar to boost::intrusive_ptr.
static void SetRun(uint64_t run)
Set the run number of simulation.
static void SetSeed(uint32_t seed)
Set the seed.
static EventId Schedule(const Time &delay, FUNC f, Ts &&... args)
Schedule an event to expire after delay.
Definition simulator.h:560
static void Destroy()
Execute the events scheduled with ScheduleDestroy().
Definition simulator.cc:131
static void ScheduleWithContext(uint32_t context, const Time &delay, FUNC f, Ts &&... args)
Schedule an event with the given context.
Definition simulator.h:577
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
virtual int Connect(const Address &address)=0
Initiate a connection to a remote host.
void SetRecvCallback(Callback< void, Ptr< Socket > > receivedData)
Notify application when new data is available to be read.
Definition socket.cc:117
static Ptr< Socket > CreateSocket(Ptr< Node > node, TypeId tid)
This method wraps the creation of sockets that is performed on a given node by a SocketFactory specif...
Definition socket.cc:61
virtual int Bind(const Address &address)=0
Allocate a local endpoint for this socket.
virtual Ptr< Node > GetNode() const =0
Return the node this socket is associated with.
Hold variables of type string.
Definition string.h:45
encapsulates test code
Definition test.h:1050
std::string CreateTempDirFilename(std::string filename)
Construct the full path to a file in a temporary directory.
Definition test.cc:432
AttributeValue implementation for Time.
Definition nstime.h:1395
static TypeId LookupByName(std::string name)
Get a TypeId by name.
Definition type-id.cc:872
Hold an unsigned integer type.
Definition uinteger.h:34
manage and create wifi channel objects for the YANS model.
int64_t AssignStreams(Ptr< YansWifiChannel > c, int64_t stream)
Assign a fixed random variable stream number to the random variables used by the channel.
static YansWifiChannelHelper Default()
Create a channel helper in a default working state.
Ptr< YansWifiChannel > Create() const
Make it easy to create and manage PHY objects for the YANS model.
void SetChannel(Ptr< YansWifiChannel > channel)
Ptr< T > Create(Ts &&... args)
Create class instances by constructors with varying numbers of arguments and return them by Ptr.
Definition ptr.h:436
#define NS_TEST_ASSERT_MSG_EQ(actual, limit, msg)
Test that an actual and expected (limit) value are equal and report and abort if not.
Definition test.h:134
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition nstime.h:1308
const char *const PREFIX
Unique PCAP file name prefix.
const char *const PREFIX
Unique PCAP file name prefix.
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
#define NS_PCAP_TEST_EXPECT_EQ(filename)
Test that a pair of reference/new pcap files are equal.
Definition pcap-test.h:28