A Discrete-Event Network Simulator
API
dsdv-testcase.cc
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2010 Hemanth Narra
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  * Author: Hemanth Narra <hemanth@ittc.ku.com>
19  *
20  * James P.G. Sterbenz <jpgs@ittc.ku.edu>, director
21  * ResiliNets Research Group http://wiki.ittc.ku.edu/resilinets
22  * Information and Telecommunication Technology Center (ITTC)
23  * and Department of Electrical Engineering and Computer Science
24  * The University of Kansas Lawrence, KS USA.
25  *
26  * Work supported in part by NSF FIND (Future Internet Design) Program
27  * under grant CNS-0626918 (Postmodern Internet Architecture),
28  * NSF grant CNS-1050226 (Multilayer Network Resilience Analysis and Experimentation on GENI),
29  * US Department of Defense (DoD), and ITTC at The University of Kansas.
30  */
31 #include "ns3/test.h"
32 #include "ns3/mesh-helper.h"
33 #include "ns3/simulator.h"
34 #include "ns3/mobility-helper.h"
35 #include "ns3/nqos-wifi-mac-helper.h"
36 #include "ns3/dsdv-helper.h"
37 #include "ns3/double.h"
38 #include "ns3/uinteger.h"
39 #include "ns3/v4ping-helper.h"
40 #include "ns3/string.h"
41 #include "ns3/boolean.h"
42 #include "ns3/yans-wifi-helper.h"
43 #include "ns3/pcap-file.h"
44 #include "ns3/internet-stack-helper.h"
45 #include "ns3/ipv4-address-helper.h"
46 #include "ns3/dsdv-packet.h"
47 #include "ns3/dsdv-rtable.h"
48 
49 using namespace ns3;
50 
65 {
66 public:
69  virtual void
70  DoRun (void);
71 };
73  : TestCase ("Verifying the DSDV header")
74 {
75 }
77 {
78 }
79 void
81 {
82  Ptr<Packet> packet = Create<Packet> ();
83 
84  {
85  dsdv::DsdvHeader hdr1;
86  hdr1.SetDst (Ipv4Address ("10.1.1.2"));
87  hdr1.SetDstSeqno (2);
88  hdr1.SetHopCount (2);
89  packet->AddHeader (hdr1);
90  dsdv::DsdvHeader hdr2;
91  hdr2.SetDst (Ipv4Address ("10.1.1.3"));
92  hdr2.SetDstSeqno (4);
93  hdr2.SetHopCount (1);
94  packet->AddHeader (hdr2);
95  NS_TEST_ASSERT_MSG_EQ (packet->GetSize (), 24, "001");
96  }
97 
98  {
99  dsdv::DsdvHeader hdr2;
100  packet->RemoveHeader (hdr2);
101  NS_TEST_ASSERT_MSG_EQ (hdr2.GetSerializedSize (),12,"002");
102  NS_TEST_ASSERT_MSG_EQ (hdr2.GetDst (),Ipv4Address ("10.1.1.3"),"003");
103  NS_TEST_ASSERT_MSG_EQ (hdr2.GetDstSeqno (),4,"004");
104  NS_TEST_ASSERT_MSG_EQ (hdr2.GetHopCount (),1,"005");
105  dsdv::DsdvHeader hdr1;
106  packet->RemoveHeader (hdr1);
107  NS_TEST_ASSERT_MSG_EQ (hdr1.GetSerializedSize (),12,"006");
108  NS_TEST_ASSERT_MSG_EQ (hdr1.GetDst (),Ipv4Address ("10.1.1.2"),"008");
109  NS_TEST_ASSERT_MSG_EQ (hdr1.GetDstSeqno (),2,"009");
110  NS_TEST_ASSERT_MSG_EQ (hdr1.GetHopCount (),2,"010");
111  }
112 }
113 
121 {
122 public:
125  virtual void
126  DoRun (void);
127 };
128 
130  : TestCase ("Dsdv Routing Table test case")
131 {
132 }
134 {
135 }
136 void
138 {
139  dsdv::RoutingTable rtable;
140  Ptr<NetDevice> dev;
141  {
142  dsdv::RoutingTableEntry rEntry1 (
143  /*device=*/ dev, /*dst=*/
144  Ipv4Address ("10.1.1.4"), /*seqno=*/ 2,
145  /*iface=*/ Ipv4InterfaceAddress (Ipv4Address ("10.1.1.1"), Ipv4Mask ("255.255.255.0")),
146  /*hops=*/ 2, /*next hop=*/
147  Ipv4Address ("10.1.1.2"),
148  /*lifetime=*/ Seconds (10));
149  NS_TEST_EXPECT_MSG_EQ (rtable.AddRoute (rEntry1),true,"add route");
150  dsdv::RoutingTableEntry rEntry2 (
151  /*device=*/ dev, /*dst=*/
152  Ipv4Address ("10.1.1.2"), /*seqno=*/ 4,
153  /*iface=*/ Ipv4InterfaceAddress (Ipv4Address ("10.1.1.1"), Ipv4Mask ("255.255.255.0")),
154  /*hops=*/ 1, /*next hop=*/
155  Ipv4Address ("10.1.1.2"),
156  /*lifetime=*/ Seconds (10));
157  NS_TEST_EXPECT_MSG_EQ (rtable.AddRoute (rEntry2),true,"add route");
158  dsdv::RoutingTableEntry rEntry3 (
159  /*device=*/ dev, /*dst=*/
160  Ipv4Address ("10.1.1.3"), /*seqno=*/ 4,
161  /*iface=*/ Ipv4InterfaceAddress (Ipv4Address ("10.1.1.1"), Ipv4Mask ("255.255.255.0")),
162  /*hops=*/ 1, /*next hop=*/
163  Ipv4Address ("10.1.1.3"),
164  /*lifetime=*/ Seconds (10));
165  NS_TEST_EXPECT_MSG_EQ (rtable.AddRoute (rEntry3),true,"add route");
166  dsdv::RoutingTableEntry rEntry4 (
167  /*device=*/ dev, /*dst=*/
168  Ipv4Address ("10.1.1.255"), /*seqno=*/ 0,
169  /*iface=*/ Ipv4InterfaceAddress (Ipv4Address ("10.1.1.1"), Ipv4Mask ("255.255.255.0")),
170  /*hops=*/ 0, /*next hop=*/
171  Ipv4Address ("10.1.1.255"),
172  /*lifetime=*/ Seconds (10));
173  NS_TEST_EXPECT_MSG_EQ (rtable.AddRoute (rEntry4),true,"add route");
174  }
175  {
177  if (rtable.LookupRoute (Ipv4Address ("10.1.1.4"), rEntry))
178  {
179  NS_TEST_ASSERT_MSG_EQ (rEntry.GetDestination (),Ipv4Address ("10.1.1.4"),"100");
180  NS_TEST_ASSERT_MSG_EQ (rEntry.GetSeqNo (),2,"101");
181  NS_TEST_ASSERT_MSG_EQ (rEntry.GetHop (),2,"102");
182  }
183  if (rtable.LookupRoute (Ipv4Address ("10.1.1.2"), rEntry))
184  {
185  NS_TEST_ASSERT_MSG_EQ (rEntry.GetDestination (),Ipv4Address ("10.1.1.2"),"103");
186  NS_TEST_ASSERT_MSG_EQ (rEntry.GetSeqNo (),4,"104");
187  NS_TEST_ASSERT_MSG_EQ (rEntry.GetHop (),1,"105");
188  }
189  if (rtable.LookupRoute (Ipv4Address ("10.1.1.3"), rEntry))
190  {
191  NS_TEST_ASSERT_MSG_EQ (rEntry.GetDestination (),Ipv4Address ("10.1.1.3"),"106");
192  NS_TEST_ASSERT_MSG_EQ (rEntry.GetSeqNo (),4,"107");
193  NS_TEST_ASSERT_MSG_EQ (rEntry.GetHop (),1,"108");
194  }
195  if (rtable.LookupRoute (Ipv4Address ("10.1.1.255"), rEntry))
196  {
197  NS_TEST_ASSERT_MSG_EQ (rEntry.GetDestination (),Ipv4Address ("10.1.1.255"),"109");
198  }
199  NS_TEST_ASSERT_MSG_EQ (rEntry.GetInterface ().GetLocal (),Ipv4Address ("10.1.1.1"),"110");
200  NS_TEST_ASSERT_MSG_EQ (rEntry.GetInterface ().GetBroadcast (),Ipv4Address ("10.1.1.255"),"111");
201  NS_TEST_ASSERT_MSG_EQ (rtable.RoutingTableSize (),4,"Rtable size incorrect");
202  }
203  Simulator::Destroy ();
204 }
205 
212 class DsdvTestSuite : public TestSuite
213 {
214 public:
215  DsdvTestSuite () : TestSuite ("routing-dsdv", UNIT)
216  {
217  AddTestCase (new DsdvHeaderTestCase (), TestCase::QUICK);
218  AddTestCase (new DsdvTableTestCase (), TestCase::QUICK);
219  }
220 } g_dsdvTestSuite;
uint32_t RemoveHeader(Header &header)
Deserialize and remove the header from the internal buffer.
Definition: packet.cc:267
Routing table entry.
Definition: dsdv-rtable.h:56
DsdvTestSuite g_dsdvTestSuite
the test suite
void SetDst(Ipv4Address destination)
Set destination address.
Definition: dsdv-packet.h:86
Ipv4Address GetLocal(void) const
Get the local address.
virtual uint32_t GetSerializedSize() const
Definition: dsdv-packet.cc:68
a class to represent an Ipv4 address mask
Definition: ipv4-address.h:258
uint32_t GetHopCount() const
Get hop count.
Definition: dsdv-packet.h:113
A suite of tests to run.
Definition: test.h:1342
void SetDstSeqno(uint32_t sequenceNumber)
Set destination sequence number.
Definition: dsdv-packet.h:122
uint32_t GetSeqNo() const
Get sequence number.
Definition: dsdv-rtable.h:172
#define NS_TEST_EXPECT_MSG_EQ(actual, limit, msg)
Test that an actual and expected (limit) value are equal and report if not.
Definition: test.h:285
uint32_t GetSize(void) const
Returns the the size in bytes of the packet (including the zero-filled initial payload).
Definition: packet.h:796
encapsulates test code
Definition: test.h:1155
virtual void DoRun(void)
Implementation to actually run this TestCase.
This test suite implements a Unit Test.
Definition: test.h:1352
uint32_t GetDstSeqno() const
Get destination sequence number.
Definition: dsdv-packet.h:131
Ipv4Address GetDst() const
Get destination address.
Definition: dsdv-packet.h:95
The Routing table used by DSDV protocol.
Definition: dsdv-rtable.h:319
void AddTestCase(TestCase *testCase, TestDuration duration=QUICK)
Add an individual child TestCase to this test suite.
Definition: test.cc:299
#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
DSDV test suite.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
bool AddRoute(RoutingTableEntry &r)
Add routing table entry if it doesn't yet exist in routing table.
Definition: dsdv-rtable.cc:128
DSDV test case to verify the DSDV header.
uint32_t RoutingTableSize()
Provides the number of routes present in that nodes routing table.
Definition: dsdv-rtable.cc:122
DSDV routing table tests (adding and looking up routes)
virtual void DoRun(void)
Implementation to actually run this TestCase.
uint32_t GetHop() const
Get hop.
Definition: dsdv-rtable.h:190
Ipv4 addresses are stored in host order in this class.
Definition: ipv4-address.h:40
Ipv4Address GetBroadcast(void) const
Get the broadcast address.
a class to store IPv4 address information on an interface
Ipv4InterfaceAddress GetInterface() const
Get interface address.
Definition: dsdv-rtable.h:145
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:993
void SetHopCount(uint32_t hopCount)
Set hop count.
Definition: dsdv-packet.h:104
DSDV Update Packet Format.
Definition: dsdv-packet.h:58
Ipv4Address GetDestination() const
Get destination IP address.
Definition: dsdv-rtable.h:82
bool LookupRoute(Ipv4Address dst, RoutingTableEntry &rt)
Lookup routing table entry with destination address dst.
Definition: dsdv-rtable.cc:72
void AddHeader(const Header &header)
Add header to this packet.
Definition: packet.cc:256