A Discrete-Event Network Simulator
API
aodv-regression.cc
Go to the documentation of this file.
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2009 IITP RAS
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * Authors: Pavel Boyko <boyko@iitp.ru>
19  */
20 
21 #include "aodv-regression.h"
22 #include "bug-772.h"
23 
24 #include "ns3/simulator.h"
25 #include "ns3/mobility-helper.h"
26 #include "ns3/double.h"
27 #include "ns3/uinteger.h"
28 #include "ns3/string.h"
29 #include "ns3/boolean.h"
30 #include "ns3/yans-wifi-helper.h"
31 #include "ns3/internet-stack-helper.h"
32 #include "ns3/ipv4-address-helper.h"
33 #include "ns3/abort.h"
34 #include "ns3/mobility-model.h"
35 #include "ns3/pcap-file.h"
36 #include "ns3/aodv-helper.h"
37 #include "ns3/config.h"
38 #include "ns3/pcap-test.h"
39 #include "ns3/rng-seed-manager.h"
40 #include "ns3/icmpv4.h"
41 #include <sstream>
42 
43 using namespace ns3;
44 
52 {
53 public:
54  AodvRegressionTestSuite () : TestSuite ("routing-aodv-regression", SYSTEM)
55  {
56  SetDataDir (NS_TEST_SOURCEDIR);
57  // General RREQ-RREP-RRER test case
58  AddTestCase (new ChainRegressionTest ("aodv-chain-regression-test"), TestCase::QUICK);
59  // \bugid{606} test case, should crash if bug is not fixed
60  AddTestCase (new ChainRegressionTest ("bug-606-test", Seconds (10), 3, Seconds (1)), TestCase::QUICK);
61  // \bugid{772} UDP test case
62  AddTestCase (new Bug772ChainTest ("udp-chain-test", "ns3::UdpSocketFactory", Seconds (3), 10), TestCase::QUICK);
63  }
65 
66 
73 ChainRegressionTest::ChainRegressionTest (const char * const prefix, Time t, uint32_t size, Time arpAliveTimeout)
74  : TestCase ("AODV chain regression test"),
75  m_nodes (0),
76  m_prefix (prefix),
77  m_time (t),
78  m_size (size),
79  m_step (120),
80  m_arpAliveTimeout (arpAliveTimeout),
81  m_seq (0)
82 {
83 }
84 
86 {
87  delete m_nodes;
88 }
89 
90 void
92 {
93  if (Simulator::Now () >= m_time)
94  {
95  return;
96  }
97 
98  Ptr<Packet> p = Create<Packet> ();
99  Icmpv4Echo echo;
100  echo.SetSequenceNumber (m_seq);
101  m_seq++;
102  echo.SetIdentifier (0);
103 
104  Ptr<Packet> dataPacket = Create<Packet> (56);
105  echo.SetData (dataPacket);
106  p->AddHeader (echo);
107  Icmpv4Header header;
108  header.SetType (Icmpv4Header::ICMPV4_ECHO);
109  header.SetCode (0);
110  if (Node::ChecksumEnabled ())
111  {
112  header.EnableChecksum ();
113  }
114  p->AddHeader (header);
115  m_socket->Send (p, 0);
116  Simulator::Schedule (Seconds (1), &ChainRegressionTest::SendPing, this);
117 }
118 
119 void
121 {
122  RngSeedManager::SetSeed (12345);
123  RngSeedManager::SetRun (7);
124  Config::SetDefault ("ns3::ArpCache::AliveTimeout", TimeValue (m_arpAliveTimeout));
125 
126  CreateNodes ();
127  CreateDevices ();
128 
129  // At m_time / 3 move central node away and see what will happen
130  Ptr<Node> node = m_nodes->Get (m_size / 2);
132  Simulator::Schedule (Time (m_time / 3), &MobilityModel::SetPosition, mob, Vector (1e5, 1e5, 1e5));
133 
134  Simulator::Stop (m_time);
135  Simulator::Run ();
136  Simulator::Destroy ();
137 
138  CheckResults ();
139 
140  delete m_nodes, m_nodes = 0;
141 }
142 
143 void
145 {
146  m_nodes = new NodeContainer;
147  m_nodes->Create (m_size);
149  mobility.SetPositionAllocator ("ns3::GridPositionAllocator",
150  "MinX", DoubleValue (0.0),
151  "MinY", DoubleValue (0.0),
152  "DeltaX", DoubleValue (m_step),
153  "DeltaY", DoubleValue (0),
154  "GridWidth", UintegerValue (m_size),
155  "LayoutType", StringValue ("RowFirst"));
156  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
157  mobility.Install (*m_nodes);
158 }
159 
160 void
162 {
163  // 1. Setup WiFi
164  int64_t streamsUsed = 0;
165  WifiMacHelper wifiMac;
166  wifiMac.SetType ("ns3::AdhocWifiMac");
167  YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
168  YansWifiChannelHelper wifiChannel = YansWifiChannelHelper::Default ();
169  Ptr<YansWifiChannel> chan = wifiChannel.Create ();
170  wifiPhy.SetChannel (chan);
171 
172  // This test suite output was originally based on YansErrorRateModel
173  wifiPhy.SetErrorRateModel ("ns3::YansErrorRateModel");
175  wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager", "DataMode", StringValue ("OfdmRate6Mbps"), "RtsCtsThreshold", StringValue ("2200"));
176  NetDeviceContainer devices = wifi.Install (wifiPhy, wifiMac, *m_nodes);
177 
178  // Assign fixed stream numbers to wifi and channel random variables
179  streamsUsed += wifi.AssignStreams (devices, streamsUsed);
180  // Assign 6 streams per device
181  NS_TEST_ASSERT_MSG_EQ (streamsUsed, (devices.GetN () * 6), "Stream assignment mismatch");
182  streamsUsed += wifiChannel.AssignStreams (chan, streamsUsed);
183  // Assign 0 streams per channel for this configuration
184  NS_TEST_ASSERT_MSG_EQ (streamsUsed, (devices.GetN () * 6), "Stream assignment mismatch");
185 
186  // 2. Setup TCP/IP & AODV
187  AodvHelper aodv; // Use default parameters here
188  InternetStackHelper internetStack;
189  internetStack.SetRoutingHelper (aodv);
190  internetStack.Install (*m_nodes);
191  streamsUsed += internetStack.AssignStreams (*m_nodes, streamsUsed);
192  // InternetStack uses m_size more streams
193  NS_TEST_ASSERT_MSG_EQ (streamsUsed, (devices.GetN () * 8) + m_size, "Stream assignment mismatch");
194  streamsUsed += aodv.AssignStreams (*m_nodes, streamsUsed);
195  // AODV uses m_size more streams
196  NS_TEST_ASSERT_MSG_EQ (streamsUsed, ((devices.GetN () * 8) + (2 * m_size)), "Stream assignment mismatch");
197 
199  address.SetBase ("10.1.1.0", "255.255.255.0");
201 
202  // 3. Setup ping
203  m_socket = Socket::CreateSocket (m_nodes->Get (0), TypeId::LookupByName ("ns3::Ipv4RawSocketFactory"));
204  m_socket->SetAttribute ("Protocol", UintegerValue (1)); // icmp
205  InetSocketAddress src = InetSocketAddress (Ipv4Address::GetAny (), 0);
206  m_socket->Bind (src);
207  InetSocketAddress dst = InetSocketAddress (interfaces.GetAddress (m_size - 1), 0);
208  m_socket->Connect (dst);
209 
210  SendPing ();
211 
212  // 4. write PCAP
214 }
215 
216 void
218 {
219  for (uint32_t i = 0; i < m_size; ++i)
220  {
221  NS_PCAP_TEST_EXPECT_EQ (m_prefix << "-" << i << "-0.pcap");
222  }
223 }
void CreateNodes()
Create test topology.
void SetType(uint8_t type)
Set ICMP type.
Definition: icmpv4.cc:109
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:102
AODV chain regression test
an Inet address class
holds a vector of std::pair of Ptr<Ipv4> and interface index.
void CheckResults()
Compare traces with reference ones.
Hold variables of type string.
Definition: string.h:41
Make it easy to create and manage PHY objects for the yans model.
const Time m_arpAliveTimeout
ARP alive timeout.
A suite of tests to run.
Definition: test.h:1342
aggregate IP/TCP/UDP functionality to existing Nodes.
encapsulates test code
Definition: test.h:1155
#define NS_PCAP_TEST_EXPECT_EQ(filename)
Test that a pair of reference/new pcap files are equal.
Definition: pcap-test.h:38
helps to create WifiNetDevice objects
Definition: wifi-helper.h:299
Base class for all the ICMP packet headers.
Definition: icmpv4.h:40
static void SetPosition(Ptr< Node > node, Vector position)
Definition: wifi-ap.cc:89
Ptr< YansWifiChannel > Create(void) const
mobility
Definition: third.py:108
void SetCode(uint8_t code)
Set ICMP code.
Definition: icmpv4.cc:115
AODV deferred route lookup test case (see Bug 772)
Definition: bug-772.h:40
Keep track of the current position and velocity of an object.
void SetChannel(Ptr< YansWifiChannel > channel)
const uint32_t m_size
Chain size.
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 ...
const double m_step
Chain step, meters.
AttributeValue implementation for Time.
Definition: nstime.h:1124
void EnableChecksum(void)
Enables ICMP Checksum calculation.
Definition: icmpv4.cc:57
Hold an unsigned integer type.
Definition: uinteger.h:44
#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:168
holds a vector of ns3::NetDevice pointers
Ptr< Socket > m_socket
Socket.
void SendPing()
Send one ping.
ChainRegressionTest(const char *const prefix, Time time=Seconds(10), uint32_t size=5, Time arpAliveTimeout=Seconds(120))
Create test case.
uint16_t m_seq
Sequence number.
NodeContainer * m_nodes
AodvRegressionTestSuite g_aodvRegressionTestSuite
the test suite
virtual int Connect(const Address &address)=0
Initiate a connection to a remote host.
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:459
virtual int Bind(const Address &address)=0
Allocate a local endpoint for this socket.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
keep track of a set of node pointers.
address
Definition: first.py:37
ICMP Echo header.
Definition: icmpv4.h:107
manage and create wifi channel objects for the yans model.
create MAC layers for a ns3::WifiNetDevice.
void SetErrorRateModel(std::string name, std::string n0="", const AttributeValue &v0=EmptyAttributeValue(), std::string n1="", const AttributeValue &v1=EmptyAttributeValue(), std::string n2="", const AttributeValue &v2=EmptyAttributeValue(), std::string n3="", const AttributeValue &v3=EmptyAttributeValue(), std::string n4="", const AttributeValue &v4=EmptyAttributeValue(), std::string n5="", const AttributeValue &v5=EmptyAttributeValue(), std::string n6="", const AttributeValue &v6=EmptyAttributeValue(), std::string n7="", const AttributeValue &v7=EmptyAttributeValue())
Definition: wifi-helper.cc:148
virtual void SetType(std::string type, std::string n0="", const AttributeValue &v0=EmptyAttributeValue(), std::string n1="", const AttributeValue &v1=EmptyAttributeValue(), std::string n2="", const AttributeValue &v2=EmptyAttributeValue(), std::string n3="", const AttributeValue &v3=EmptyAttributeValue(), std::string n4="", const AttributeValue &v4=EmptyAttributeValue(), std::string n5="", const AttributeValue &v5=EmptyAttributeValue(), std::string n6="", const AttributeValue &v6=EmptyAttributeValue(), std::string n7="", const AttributeValue &v7=EmptyAttributeValue(), std::string n8="", const AttributeValue &v8=EmptyAttributeValue(), std::string n9="", const AttributeValue &v9=EmptyAttributeValue(), std::string n10="", const AttributeValue &v10=EmptyAttributeValue())
Fast test.
Definition: test.h:1160
void Install(std::string nodeName) const
Aggregate implementations of the ns3::Ipv4, ns3::Ipv6, ns3::Udp, and ns3::Tcp classes onto the provid...
wifi
Definition: third.py:96
Helper class used to assign positions and mobility models to nodes.
int64_t AssignStreams(NodeContainer c, int64_t stream)
Assign a fixed random variable stream number to the random variables used by this model...
std::string CreateTempDirFilename(std::string filename)
Construct the full path to a file in a temporary directory.
Definition: test.cc:430
void SetSequenceNumber(uint16_t seq)
Set the Echo sequence number.
Definition: icmpv4.cc:146
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1062
void SetDefault(std::string name, const AttributeValue &value)
Definition: config.cc:810
int64_t AssignStreams(NodeContainer c, int64_t stream)
Assign a fixed random variable stream number to the random variables used by this model...
Definition: aodv-helper.cc:57
interfaces
Definition: first.py:41
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
AODV regression test suite.
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
Time Now(void)
create an ns3::Time instance which contains the current simulation time.
Definition: simulator.cc:309
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
Helper class that adds AODV routing to nodes.
Definition: aodv-helper.h:34
devices
Definition: first.py:32
void CreateDevices()
Create devices, install TCP/IP stack and applications.
virtual int Send(Ptr< Packet > p, uint32_t flags)=0
Send data (or dummy data) to the remote host.
This class can be used to hold variables of floating point type such as &#39;double&#39; or &#39;float&#39;...
Definition: double.h:41
void SetAttribute(std::string name, const AttributeValue &value)
Set a single attribute, raising fatal errors if unsuccessful.
Definition: object-base.cc:185
const std::string m_prefix
PCAP file names prefix.
void SetRoutingHelper(const Ipv4RoutingHelper &routing)
const Time m_time
Total simulation time.
void AddHeader(const Header &header)
Add header to this packet.
Definition: packet.cc:256
int64_t AssignStreams(Ptr< YansWifiChannel > c, int64_t stream)
Assign a fixed random variable stream number to the random variables used by the channel.