A Discrete-Event Network Simulator
API
dhcp-test.cc
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1/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2/*
3 * Copyright (c) 2017 NITK Surathkal
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: Ankit Deepak <adadeepak8@gmail.com>
19 * Deepti Rajagopal <deeptir96@gmail.com>
20 *
21 */
22
23#include "ns3/data-rate.h"
24#include "ns3/simple-net-device.h"
25#include "ns3/simple-net-device-helper.h"
26#include "ns3/internet-stack-helper.h"
27#include "ns3/ipv4-address-helper.h"
28#include "ns3/dhcp-client.h"
29#include "ns3/dhcp-server.h"
30#include "ns3/dhcp-helper.h"
31#include "ns3/test.h"
32
33using namespace ns3;
34
47class DhcpTestCase : public TestCase
48{
49public:
50 DhcpTestCase ();
51 virtual ~DhcpTestCase ();
57 void LeaseObtained (std::string context, const Ipv4Address& newAddress);
58private:
59 virtual void DoRun (void);
61};
62
64 : TestCase ("Dhcp test case ")
65{
66}
67
69{
70}
71
72void
73DhcpTestCase::LeaseObtained (std::string context, const Ipv4Address& newAddress)
74{
75 uint8_t numericalContext = std::stoi (context, nullptr, 10);
76
77 if (numericalContext >=0 && numericalContext <=2)
78 {
79 m_leasedAddress[numericalContext] = newAddress;
80 }
81}
82
83void
85{
86 /*Set up devices*/
88 NodeContainer routers;
89 nodes.Create (3);
90 routers.Create (1);
91
92 NodeContainer net (routers, nodes);
93
94 SimpleNetDeviceHelper simpleNetDevice;
95 simpleNetDevice.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
96 simpleNetDevice.SetDeviceAttribute ("DataRate", DataRateValue (DataRate ("5Mbps")));
97 NetDeviceContainer devNet = simpleNetDevice.Install (net);
98
100 tcpip.Install (routers);
101 tcpip.Install (nodes);
102
103 DhcpHelper dhcpHelper;
104
105 ApplicationContainer dhcpServerApp = dhcpHelper.InstallDhcpServer (devNet.Get (0), Ipv4Address ("172.30.0.12"),
106 Ipv4Address ("172.30.0.0"), Ipv4Mask ("/24"),
107 Ipv4Address ("172.30.0.10"), Ipv4Address ("172.30.0.15"),
108 Ipv4Address ("172.30.0.17"));
109 dhcpServerApp.Start (Seconds (0.0));
110 dhcpServerApp.Stop (Seconds (20.0));
111
112 DynamicCast<DhcpServer> (dhcpServerApp.Get (0))->AddStaticDhcpEntry (devNet.Get (3)->GetAddress (), Ipv4Address ("172.30.0.14"));
113
114 NetDeviceContainer dhcpClientNetDevs;
115 dhcpClientNetDevs.Add (devNet.Get (1));
116 dhcpClientNetDevs.Add (devNet.Get (2));
117 dhcpClientNetDevs.Add (devNet.Get (3));
118
119 ApplicationContainer dhcpClientApps = dhcpHelper.InstallDhcpClient (dhcpClientNetDevs);
120 dhcpClientApps.Start (Seconds (1.0));
121 dhcpClientApps.Stop (Seconds (20.0));
122
123
124 dhcpClientApps.Get(0)->TraceConnect ("NewLease", "0", MakeCallback(&DhcpTestCase::LeaseObtained, this));
125 dhcpClientApps.Get(1)->TraceConnect ("NewLease", "1", MakeCallback(&DhcpTestCase::LeaseObtained, this));
126 dhcpClientApps.Get(2)->TraceConnect ("NewLease", "2", MakeCallback(&DhcpTestCase::LeaseObtained, this));
127
128 Simulator::Stop (Seconds (21.0));
129
131
133 m_leasedAddress[0] << " instead of " << "172.30.0.10");
134
136 m_leasedAddress[1] << " instead of " << "172.30.0.11");
137
139 m_leasedAddress[2] << " instead of " << "172.30.0.14");
140
141 Simulator::Destroy ();
142}
143
151{
152public:
153 DhcpTestSuite ();
154};
155
157 : TestSuite ("dhcp", UNIT)
158{
159 AddTestCase (new DhcpTestCase, TestCase::QUICK);
160}
161
163
void Run(ObjectFactory &factory, uint32_t pop, uint32_t total, uint32_t runs, Ptr< RandomVariableStream > eventStream, bool calRev)
Perform the runs for a single scheduler type.
DHCP basic tests.
Definition: dhcp-test.cc:48
virtual ~DhcpTestCase()
Definition: dhcp-test.cc:68
Ipv4Address m_leasedAddress[3]
Address given to the nodes.
Definition: dhcp-test.cc:60
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: dhcp-test.cc:84
void LeaseObtained(std::string context, const Ipv4Address &newAddress)
Triggered by an address lease on a client.
Definition: dhcp-test.cc:73
DHCP TestSuite.
Definition: dhcp-test.cc:151
holds a vector of ns3::Application pointers.
Ptr< Application > Get(uint32_t i) const
Get the Ptr<Application> stored in this container at a given index.
void Start(Time start)
Arrange for all of the Applications in this container to Start() at the Time given as a parameter.
void Stop(Time stop)
Arrange for all of the Applications in this container to Stop() at the Time given as a parameter.
Class for representing data rates.
Definition: data-rate.h:89
AttributeValue implementation for DataRate.
The helper class used to configure and install DHCP applications on nodes.
Definition: dhcp-helper.h:44
ApplicationContainer InstallDhcpServer(Ptr< NetDevice > netDevice, Ipv4Address serverAddr, Ipv4Address poolAddr, Ipv4Mask poolMask, Ipv4Address minAddr, Ipv4Address maxAddr, Ipv4Address gateway=Ipv4Address())
Install DHCP server of a node / NetDevice.
Definition: dhcp-helper.cc:124
ApplicationContainer InstallDhcpClient(Ptr< NetDevice > netDevice) const
Install DHCP client of a nodes / NetDevice.
Definition: dhcp-helper.cc:61
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...
Ipv4 addresses are stored in host order in this class.
Definition: ipv4-address.h:41
a class to represent an Ipv4 address mask
Definition: ipv4-address.h:256
holds a vector of ns3::NetDevice pointers
void Add(NetDeviceContainer other)
Append the contents of another NetDeviceContainer to the end of this container.
Ptr< NetDevice > Get(uint32_t i) const
Get the Ptr<NetDevice> stored in this container at a given index.
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.
bool TraceConnect(std::string name, std::string context, const CallbackBase &cb)
Connect a TraceSource to a Callback with a context.
Definition: object-base.cc:377
build a set of SimpleNetDevice objects
void SetChannelAttribute(std::string n1, const AttributeValue &v1)
void SetDeviceAttribute(std::string n1, const AttributeValue &v1)
NetDeviceContainer Install(Ptr< Node > node) const
This method creates an ns3::SimpleChannel with the attributes configured by SimpleNetDeviceHelper::Se...
encapsulates test code
Definition: test.h:994
void AddTestCase(TestCase *testCase, TestDuration duration=QUICK)
Add an individual child TestCase to this test suite.
Definition: test.cc:299
A suite of tests to run.
Definition: test.h:1188
AttributeValue implementation for Time.
Definition: nstime.h:1309
static DhcpTestSuite dhcpTestSuite
Static variable for test initialization.
Definition: dhcp-test.cc:162
#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:141
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1245
Time MilliSeconds(uint64_t value)
Construct a Time in the indicated unit.
Definition: nstime.h:1253
NodeContainer nodes
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:661