A Discrete-Event Network Simulator
API
Loading...
Searching...
No Matches
aodv-regression.cc
Go to the documentation of this file.
1/*
2 * Copyright (c) 2009 IITP RAS
3 *
4 * SPDX-License-Identifier: GPL-2.0-only
5 *
6 * Authors: Pavel Boyko <boyko@iitp.ru>
7 */
8
9#include "aodv-regression.h"
10
11#include "bug-772.h"
12
13#include "ns3/abort.h"
14#include "ns3/aodv-helper.h"
15#include "ns3/boolean.h"
16#include "ns3/config.h"
17#include "ns3/double.h"
18#include "ns3/icmpv4.h"
19#include "ns3/internet-stack-helper.h"
20#include "ns3/ipv4-address-helper.h"
21#include "ns3/mobility-helper.h"
22#include "ns3/mobility-model.h"
23#include "ns3/pcap-file.h"
24#include "ns3/pcap-test.h"
25#include "ns3/rng-seed-manager.h"
26#include "ns3/simulator.h"
27#include "ns3/string.h"
28#include "ns3/uinteger.h"
29#include "ns3/yans-wifi-helper.h"
30
31#include <sstream>
32
33using namespace ns3;
34
35/**
36 * \ingroup aodv-test
37 *
38 * \brief AODV regression test suite
39 */
41{
42 public:
44 : TestSuite("routing-aodv-regression", Type::SYSTEM)
45 {
46 SetDataDir(NS_TEST_SOURCEDIR);
47 // General RREQ-RREP-RRER test case
48 AddTestCase(new ChainRegressionTest("aodv-chain-regression-test"),
49 TestCase::Duration::QUICK);
50 // \bugid{606} test case, should crash if bug is not fixed
51 AddTestCase(new ChainRegressionTest("bug-606-test", Seconds(10), 3, Seconds(1)),
52 TestCase::Duration::QUICK);
53 // \bugid{772} UDP test case
54 AddTestCase(new Bug772ChainTest("udp-chain-test", "ns3::UdpSocketFactory", Seconds(3), 10),
55 TestCase::Duration::QUICK);
56 }
57} g_aodvRegressionTestSuite; ///< the test suite
58
59/**
60 * \ingroup aodv-test
61 *
62 * \brief Chain Regression Test
63 */
65 Time t,
66 uint32_t size,
67 Time arpAliveTimeout)
68 : TestCase("AODV chain regression test"),
69 m_nodes(nullptr),
70 m_prefix(prefix),
71 m_time(t),
72 m_size(size),
73 m_step(120),
74 m_arpAliveTimeout(arpAliveTimeout),
75 m_seq(0)
76{
77}
78
83
84void
86{
87 if (Simulator::Now() >= m_time)
88 {
89 return;
90 }
91
93 Icmpv4Echo echo;
95 m_seq++;
96 echo.SetIdentifier(0);
97
98 Ptr<Packet> dataPacket = Create<Packet>(56);
99 echo.SetData(dataPacket);
100 p->AddHeader(echo);
101 Icmpv4Header header;
103 header.SetCode(0);
105 {
106 header.EnableChecksum();
107 }
108 p->AddHeader(header);
109 m_socket->Send(p, 0);
111}
112
113void
115{
118 Config::SetDefault("ns3::ArpCache::AliveTimeout", TimeValue(m_arpAliveTimeout));
119
120 CreateNodes();
122
123 // At m_time / 3 move central node away and see what will happen
124 Ptr<Node> node = m_nodes->Get(m_size / 2);
125 Ptr<MobilityModel> mob = node->GetObject<MobilityModel>();
126 Simulator::Schedule(Time(m_time / 3), &MobilityModel::SetPosition, mob, Vector(1e5, 1e5, 1e5));
127
131
132 CheckResults();
133
134 delete m_nodes, m_nodes = nullptr;
135}
136
137void
139{
142 MobilityHelper mobility;
143 mobility.SetPositionAllocator("ns3::GridPositionAllocator",
144 "MinX",
145 DoubleValue(0.0),
146 "MinY",
147 DoubleValue(0.0),
148 "DeltaX",
150 "DeltaY",
151 DoubleValue(0),
152 "GridWidth",
154 "LayoutType",
155 StringValue("RowFirst"));
156 mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel");
157 mobility.Install(*m_nodes);
158}
159
160void
162{
163 // 1. Setup WiFi
164 int64_t streamsUsed = 0;
165 WifiMacHelper wifiMac;
166 wifiMac.SetType("ns3::AdhocWifiMac");
167 YansWifiPhyHelper wifiPhy;
170 Ptr<YansWifiChannel> chan = wifiChannel.Create();
171 wifiPhy.SetChannel(chan);
172
173 // This test suite output was originally based on YansErrorRateModel
174 wifiPhy.SetErrorRateModel("ns3::YansErrorRateModel");
175 WifiHelper wifi;
176 wifi.SetStandard(WIFI_STANDARD_80211a);
177 wifi.SetRemoteStationManager("ns3::ConstantRateWifiManager",
178 "DataMode",
179 StringValue("OfdmRate6Mbps"),
180 "RtsCtsThreshold",
181 StringValue("2200"));
182 NetDeviceContainer devices = wifi.Install(wifiPhy, wifiMac, *m_nodes);
183
184 // Assign fixed stream numbers to wifi and channel random variables
185 streamsUsed += WifiHelper::AssignStreams(devices, streamsUsed);
186 // Assign 6 streams per device
187 NS_TEST_ASSERT_MSG_EQ(streamsUsed, (devices.GetN() * 2), "Stream assignment mismatch");
188 streamsUsed += wifiChannel.AssignStreams(chan, streamsUsed);
189 // Assign 0 streams per channel for this configuration
190 NS_TEST_ASSERT_MSG_EQ(streamsUsed, (devices.GetN() * 2), "Stream assignment mismatch");
191
192 // 2. Setup TCP/IP & AODV
193 AodvHelper aodv; // Use default parameters here
194 InternetStackHelper internetStack;
195 internetStack.SetRoutingHelper(aodv);
196 internetStack.Install(*m_nodes);
197 streamsUsed += internetStack.AssignStreams(*m_nodes, streamsUsed);
198 // InternetStack uses m_size more streams
199 NS_TEST_ASSERT_MSG_EQ(streamsUsed, (devices.GetN() * 5) + m_size, "Stream assignment mismatch");
200 streamsUsed += aodv.AssignStreams(*m_nodes, streamsUsed);
201 // AODV uses m_size more streams
202 NS_TEST_ASSERT_MSG_EQ(streamsUsed,
203 ((devices.GetN() * 5) + (2 * m_size)),
204 "Stream assignment mismatch");
205
206 Ipv4AddressHelper address;
207 address.SetBase("10.1.1.0", "255.255.255.0");
208 Ipv4InterfaceContainer interfaces = address.Assign(devices);
209
210 // 3. Setup ping
211 m_socket =
212 Socket::CreateSocket(m_nodes->Get(0), TypeId::LookupByName("ns3::Ipv4RawSocketFactory"));
213 m_socket->SetAttribute("Protocol", UintegerValue(1)); // icmp
215 m_socket->Bind(src);
216 InetSocketAddress dst = InetSocketAddress(interfaces.GetAddress(m_size - 1), 0);
217 m_socket->Connect(dst);
218
219 SendPing();
220
221 // 4. write PCAP
223}
224
225void
227{
228 for (uint32_t i = 0; i < m_size; ++i)
229 {
230 NS_PCAP_TEST_EXPECT_EQ(m_prefix << "-" << i << "-0.pcap");
231 }
232}
AODV regression test suite.
AODV deferred route lookup test case (see Bug 772 )
Definition bug-772.h:29
AODV chain regression test.
const uint32_t m_size
Chain size.
void CreateNodes()
Create test topology.
void DoRun() override
Go.
uint16_t m_seq
Sequence number.
void SendPing()
Send one ping.
const Time m_arpAliveTimeout
ARP alive timeout.
const double m_step
Chain step, meters.
~ChainRegressionTest() override
NodeContainer * m_nodes
void CheckResults()
Compare traces with reference ones.
const Time m_time
Total simulation time.
const std::string m_prefix
PCAP file names prefix.
Ptr< Socket > m_socket
Socket.
void CreateDevices()
Create devices, install TCP/IP stack and applications.
Helper class that adds AODV routing to nodes.
Definition aodv-helper.h:25
int64_t AssignStreams(NodeContainer c, int64_t stream)
Assign a fixed random variable stream number to the random variables used by this model.
This class can be used to hold variables of floating point type such as 'double' or 'float'.
Definition double.h:31
ICMP Echo header.
Definition icmpv4.h:99
void SetIdentifier(uint16_t id)
Set the Echo identifier.
Definition icmpv4.cc:139
void SetData(Ptr< const Packet > data)
Set the Echo data.
Definition icmpv4.cc:153
void SetSequenceNumber(uint16_t seq)
Set the Echo sequence number.
Definition icmpv4.cc:146
Base class for all the ICMP packet headers.
Definition icmpv4.h:32
void SetCode(uint8_t code)
Set ICMP code.
Definition icmpv4.cc:112
void SetType(uint8_t type)
Set ICMP type.
Definition icmpv4.cc:105
void EnableChecksum()
Enables ICMP Checksum calculation.
Definition icmpv4.cc:49
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...
void SetRoutingHelper(const Ipv4RoutingHelper &routing)
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()
holds a vector of std::pair of Ptr<Ipv4> and interface index.
Helper class used to assign positions and mobility models to nodes.
Keep track of the current position and velocity of an object.
void SetPosition(const Vector &position)
holds a vector of ns3::NetDevice pointers
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.
static bool ChecksumEnabled()
Definition node.cc:267
void SetAttribute(std::string name, const AttributeValue &value)
Set a single attribute, raising fatal errors if unsuccessful.
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 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 Send(Ptr< Packet > p, uint32_t flags)=0
Send data (or dummy data) to the remote host.
virtual int Connect(const Address &address)=0
Initiate a connection to a remote host.
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.
Hold variables of type string.
Definition string.h:45
encapsulates test code
Definition test.h:1050
void AddTestCase(TestCase *testCase, Duration duration=Duration::QUICK)
Add an individual child TestCase to this test suite.
Definition test.cc:292
std::string CreateTempDirFilename(std::string filename)
Construct the full path to a file in a temporary directory.
Definition test.cc:432
void SetDataDir(std::string directory)
Set the data directory where reference trace files can be found.
Definition test.cc:472
A suite of tests to run.
Definition test.h:1267
Type
Type of test.
Definition test.h:1274
static constexpr auto SYSTEM
Definition test.h:1293
Simulation virtual time values and global simulation resolution.
Definition nstime.h:94
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
helps to create WifiNetDevice objects
static int64_t AssignStreams(NetDeviceContainer c, int64_t stream)
Assign a fixed random variable stream number to the random variables used by the PHY and MAC aspects ...
create MAC layers for a ns3::WifiNetDevice.
void SetType(std::string type, Args &&... args)
void DisablePreambleDetectionModel()
Disable the preamble detection model on all links.
void SetErrorRateModel(std::string type, Args &&... args)
Helper function used to set the error rate model.
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)
AodvRegressionTestSuite g_aodvRegressionTestSuite
the test suite
ChainRegressionTest(const char *const prefix, Time time=Seconds(10), uint32_t size=5, Time arpAliveTimeout=Seconds(120))
Create test case.
void SetDefault(std::string name, const AttributeValue &value)
Definition config.cc:883
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
@ WIFI_STANDARD_80211a
Every class exported by the ns3 library is enclosed in the ns3 namespace.
#define NS_PCAP_TEST_EXPECT_EQ(filename)
Test that a pair of reference/new pcap files are equal.
Definition pcap-test.h:28