A Discrete-Event Network Simulator
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ipv4-rip-test.cc
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1/*
2 * Copyright (c) 2016 Universita' di Firenze
3 *
4 * SPDX-License-Identifier: GPL-2.0-only
5 *
6 * Author: Tommaso Pecorella <tommaso.pecorella@unifi.it>
7 */
8
9#include "ns3/boolean.h"
10#include "ns3/enum.h"
11#include "ns3/icmpv4-l4-protocol.h"
12#include "ns3/inet-socket-address.h"
13#include "ns3/internet-stack-helper.h"
14#include "ns3/ipv4-address-helper.h"
15#include "ns3/ipv4-l3-protocol.h"
16#include "ns3/ipv4-static-routing.h"
17#include "ns3/log.h"
18#include "ns3/node-container.h"
19#include "ns3/node.h"
20#include "ns3/rip-helper.h"
21#include "ns3/rip.h"
22#include "ns3/simple-channel.h"
23#include "ns3/simple-net-device.h"
24#include "ns3/simulator.h"
25#include "ns3/socket-factory.h"
26#include "ns3/socket.h"
27#include "ns3/test.h"
28#include "ns3/udp-l4-protocol.h"
29#include "ns3/udp-socket-factory.h"
30
31#include <limits>
32#include <string>
33
34using namespace ns3;
35
36/**
37 * @ingroup internet-test
38 *
39 * @brief IPv4 RIP Test
40 */
41class Ipv4RipTest : public TestCase
42{
43 Ptr<Packet> m_receivedPacket; //!< Received packet
44
45 /**
46 * @brief Send data.
47 * @param socket The sending socket.
48 * @param to Destination address.
49 */
50 void DoSendData(Ptr<Socket> socket, std::string to);
51 /**
52 * @brief Send data.
53 * @param socket The sending socket.
54 * @param to Destination address.
55 */
56 void SendData(Ptr<Socket> socket, std::string to);
57
58 public:
59 void DoRun() override;
60 Ipv4RipTest();
61
62 /**
63 * @brief Receive data.
64 * @param socket The receiving socket.
65 */
66 void ReceivePkt(Ptr<Socket> socket);
67};
68
69Ipv4RipTest::Ipv4RipTest()
70 : TestCase("RIP")
71{
72}
73
74void
75Ipv4RipTest::ReceivePkt(Ptr<Socket> socket)
76{
77 uint32_t availableData [[maybe_unused]] = socket->GetRxAvailable();
78 m_receivedPacket = socket->Recv(std::numeric_limits<uint32_t>::max(), 0);
79 NS_TEST_ASSERT_MSG_EQ(availableData,
80 m_receivedPacket->GetSize(),
81 "Received Packet size is not equal to the Rx buffer size");
82}
83
84void
85Ipv4RipTest::DoSendData(Ptr<Socket> socket, std::string to)
86{
87 Address realTo = InetSocketAddress(Ipv4Address(to.c_str()), 1234);
88 NS_TEST_EXPECT_MSG_EQ(socket->SendTo(Create<Packet>(123), 0, realTo), 123, "100");
89}
90
91void
92Ipv4RipTest::SendData(Ptr<Socket> socket, std::string to)
93{
94 m_receivedPacket = Create<Packet>();
95 Simulator::ScheduleWithContext(socket->GetNode()->GetId(),
96 Seconds(60),
97 &Ipv4RipTest::DoSendData,
98 this,
99 socket,
100 to);
101 Simulator::Stop(Seconds(66));
102 Simulator::Run();
103}
104
105void
106Ipv4RipTest::DoRun()
107{
108 // Create topology
109
110 Ptr<Node> txNode = CreateObject<Node>();
111 Ptr<Node> rxNode = CreateObject<Node>();
112 Ptr<Node> routerA = CreateObject<Node>();
113 Ptr<Node> routerB = CreateObject<Node>();
114 Ptr<Node> routerC = CreateObject<Node>();
115
116 NodeContainer nodes(txNode, rxNode);
117 NodeContainer routers(routerA, routerB, routerC);
118 NodeContainer all(nodes, routers);
119
120 RipHelper ripRouting;
121 InternetStackHelper internetRouters;
122 internetRouters.SetRoutingHelper(ripRouting);
123 internetRouters.Install(routers);
124
125 InternetStackHelper internetNodes;
126 internetNodes.Install(nodes);
127
128 NetDeviceContainer net1;
129 NetDeviceContainer net2;
130 NetDeviceContainer net3;
131 NetDeviceContainer net4;
132
133 // Sender Node
134 Ptr<SimpleNetDevice> txDev;
135 {
136 txDev = CreateObject<SimpleNetDevice>();
137 txDev->SetAddress(Mac48Address("00:00:00:00:00:01"));
138 txNode->AddDevice(txDev);
139 }
140 net1.Add(txDev);
141
142 // Router A
143 Ptr<SimpleNetDevice> fwDev1routerA;
144 Ptr<SimpleNetDevice> fwDev2routerA;
145 { // first interface
146 fwDev1routerA = CreateObject<SimpleNetDevice>();
147 fwDev1routerA->SetAddress(Mac48Address("00:00:00:00:00:02"));
148 routerA->AddDevice(fwDev1routerA);
149 }
150 net1.Add(fwDev1routerA);
151
152 { // second interface
153 fwDev2routerA = CreateObject<SimpleNetDevice>();
154 fwDev2routerA->SetAddress(Mac48Address("00:00:00:00:00:03"));
155 routerA->AddDevice(fwDev2routerA);
156 }
157 net2.Add(fwDev2routerA);
158
159 // Router B
160 Ptr<SimpleNetDevice> fwDev1routerB;
161 Ptr<SimpleNetDevice> fwDev2routerB;
162 { // first interface
163 fwDev1routerB = CreateObject<SimpleNetDevice>();
164 fwDev1routerB->SetAddress(Mac48Address("00:00:00:00:00:04"));
165 routerB->AddDevice(fwDev1routerB);
166 }
167 net2.Add(fwDev1routerB);
168
169 { // second interface
170 fwDev2routerB = CreateObject<SimpleNetDevice>();
171 fwDev2routerB->SetAddress(Mac48Address("00:00:00:00:00:05"));
172 routerB->AddDevice(fwDev2routerB);
173 }
174 net3.Add(fwDev2routerB);
175
176 // Router C
177 Ptr<SimpleNetDevice> fwDev1routerC;
178 Ptr<SimpleNetDevice> fwDev2routerC;
179 { // first interface
180 fwDev1routerC = CreateObject<SimpleNetDevice>();
181 fwDev1routerC->SetAddress(Mac48Address("00:00:00:00:00:06"));
182 routerC->AddDevice(fwDev1routerC);
183 }
184 net3.Add(fwDev1routerC);
185
186 { // second interface
187 fwDev2routerC = CreateObject<SimpleNetDevice>();
188 fwDev2routerC->SetAddress(Mac48Address("00:00:00:00:00:07"));
189 routerC->AddDevice(fwDev2routerC);
190 }
191 net4.Add(fwDev2routerC);
192
193 // Rx node
194 Ptr<SimpleNetDevice> rxDev;
195 { // first interface
196 rxDev = CreateObject<SimpleNetDevice>();
197 rxDev->SetAddress(Mac48Address("00:00:00:00:00:08"));
198 rxNode->AddDevice(rxDev);
199 }
200 net4.Add(rxDev);
201
202 // link the channels
203 Ptr<SimpleChannel> channel1 = CreateObject<SimpleChannel>();
204 txDev->SetChannel(channel1);
205 fwDev1routerA->SetChannel(channel1);
206
207 Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
208 fwDev2routerA->SetChannel(channel2);
209 fwDev1routerB->SetChannel(channel2);
210
211 Ptr<SimpleChannel> channel3 = CreateObject<SimpleChannel>();
212 fwDev2routerB->SetChannel(channel3);
213 fwDev1routerC->SetChannel(channel3);
214
215 Ptr<SimpleChannel> channel4 = CreateObject<SimpleChannel>();
216 fwDev2routerC->SetChannel(channel4);
217 rxDev->SetChannel(channel4);
218
219 // Setup IPv4 addresses and forwarding
220 Ipv4AddressHelper ipv4;
221
222 ipv4.SetBase(Ipv4Address("10.0.1.0"), Ipv4Mask("255.255.255.0"));
223 Ipv4InterfaceContainer iic1 = ipv4.Assign(net1);
224
225 ipv4.SetBase(Ipv4Address("192.168.0.0"), Ipv4Mask("255.255.255.0"));
226 Ipv4InterfaceContainer iic2 = ipv4.Assign(net2);
227
228 ipv4.SetBase(Ipv4Address("192.168.1.0"), Ipv4Mask("255.255.255.0"));
229 Ipv4InterfaceContainer iic3 = ipv4.Assign(net3);
230
231 ipv4.SetBase(Ipv4Address("10.0.2.0"), Ipv4Mask("255.255.255.0"));
232 Ipv4InterfaceContainer iic4 = ipv4.Assign(net4);
233
234 Ptr<Ipv4StaticRouting> staticRouting;
235 staticRouting = Ipv4RoutingHelper::GetRouting<Ipv4StaticRouting>(
236 txNode->GetObject<Ipv4>()->GetRoutingProtocol());
237 staticRouting->SetDefaultRoute("10.0.1.2", 1);
238 staticRouting = Ipv4RoutingHelper::GetRouting<Ipv4StaticRouting>(
239 rxNode->GetObject<Ipv4>()->GetRoutingProtocol());
240 staticRouting->SetDefaultRoute("10.0.2.1", 1);
241
242 // Create the UDP sockets
243 Ptr<SocketFactory> rxSocketFactory = rxNode->GetObject<UdpSocketFactory>();
244 Ptr<Socket> rxSocket = rxSocketFactory->CreateSocket();
245 NS_TEST_EXPECT_MSG_EQ(rxSocket->Bind(InetSocketAddress(Ipv4Address("10.0.2.2"), 1234)),
246 0,
247 "trivial");
248 rxSocket->SetRecvCallback(MakeCallback(&Ipv4RipTest::ReceivePkt, this));
249
250 Ptr<SocketFactory> txSocketFactory = txNode->GetObject<UdpSocketFactory>();
251 Ptr<Socket> txSocket = txSocketFactory->CreateSocket();
252 txSocket->SetAllowBroadcast(true);
253
254 // ------ Now the tests ------------
255
256 // Unicast test
257 SendData(txSocket, "10.0.2.2");
258 NS_TEST_EXPECT_MSG_EQ(m_receivedPacket->GetSize(), 123, "IPv4 RIP should work.");
259
260 m_receivedPacket->RemoveAllByteTags();
261
262 Simulator::Destroy();
263}
264
265/**
266 * @ingroup internet-test
267 *
268 * @brief IPv4 RIP count to infinity Test
269 */
270class Ipv4RipCountToInfinityTest : public TestCase
271{
272 Ptr<Packet> m_receivedPacket; //!< Received packet
273
274 /**
275 * @brief Send data.
276 * @param socket The sending socket.
277 * @param to Destination address.
278 */
279 void DoSendData(Ptr<Socket> socket, std::string to);
280 /**
281 * @brief Send data.
282 * @param socket The sending socket.
283 * @param to Destination address.
284 */
285 void SendData(Ptr<Socket> socket, std::string to);
286
287 public:
288 void DoRun() override;
289 Ipv4RipCountToInfinityTest();
290
291 /**
292 * @brief Receive data.
293 * @param socket The receiving socket.
294 */
295 void ReceivePkt(Ptr<Socket> socket);
296};
297
298Ipv4RipCountToInfinityTest::Ipv4RipCountToInfinityTest()
299 : TestCase("RIP counting to infinity")
300{
301}
302
303void
304Ipv4RipCountToInfinityTest::ReceivePkt(Ptr<Socket> socket)
305{
306 uint32_t availableData [[maybe_unused]] = socket->GetRxAvailable();
307 m_receivedPacket = socket->Recv(std::numeric_limits<uint32_t>::max(), 0);
308 NS_TEST_ASSERT_MSG_EQ(availableData,
309 m_receivedPacket->GetSize(),
310 "Received Packet size is not equal to the Rx buffer size");
311}
312
313void
314Ipv4RipCountToInfinityTest::DoSendData(Ptr<Socket> socket, std::string to)
315{
316 Address realTo = InetSocketAddress(Ipv4Address(to.c_str()), 1234);
317 NS_TEST_EXPECT_MSG_EQ(socket->SendTo(Create<Packet>(123), 0, realTo), 123, "100");
318}
319
320void
321Ipv4RipCountToInfinityTest::SendData(Ptr<Socket> socket, std::string to)
322{
323 m_receivedPacket = Create<Packet>();
324 Simulator::ScheduleWithContext(socket->GetNode()->GetId(),
325 Seconds(60),
326 &Ipv4RipCountToInfinityTest::DoSendData,
327 this,
328 socket,
329 to);
330 Simulator::Stop(Seconds(66));
331 Simulator::Run();
332}
333
334void
335Ipv4RipCountToInfinityTest::DoRun()
336{
337 // Create topology
338
339 Ptr<Node> txNode = CreateObject<Node>();
340 Ptr<Node> rxNode = CreateObject<Node>();
341 Ptr<Node> routerA = CreateObject<Node>();
342 Ptr<Node> routerB = CreateObject<Node>();
343 Ptr<Node> routerC = CreateObject<Node>();
344
345 NodeContainer nodes(txNode, rxNode);
346 NodeContainer routers(routerA, routerB, routerC);
347 NodeContainer all(nodes, routers);
348
349 RipHelper ripNgRouting;
350 // Change the router's interface metric to 10, must not send packets (count to infinity)
351 // note: Interface 0 is the loopback.
352 ripNgRouting.SetInterfaceMetric(routerA, 2, 10);
353 ripNgRouting.SetInterfaceMetric(routerB, 1, 10);
354 ripNgRouting.SetInterfaceMetric(routerB, 2, 10);
355 ripNgRouting.SetInterfaceMetric(routerC, 1, 10);
356
357 InternetStackHelper internetv6routers;
358 internetv6routers.SetRoutingHelper(ripNgRouting);
359 internetv6routers.Install(routers);
360
361 InternetStackHelper internetv6nodes;
362 internetv6nodes.Install(nodes);
363
364 NetDeviceContainer net1;
365 NetDeviceContainer net2;
366 NetDeviceContainer net3;
367 NetDeviceContainer net4;
368
369 // Sender Node
370 Ptr<SimpleNetDevice> txDev;
371 {
372 txDev = CreateObject<SimpleNetDevice>();
373 txDev->SetAddress(Mac48Address("00:00:00:00:00:01"));
374 txNode->AddDevice(txDev);
375 }
376 net1.Add(txDev);
377
378 // Router A
379 Ptr<SimpleNetDevice> fwDev1routerA;
380 Ptr<SimpleNetDevice> fwDev2routerA;
381 { // first interface
382 fwDev1routerA = CreateObject<SimpleNetDevice>();
383 fwDev1routerA->SetAddress(Mac48Address("00:00:00:00:00:02"));
384 routerA->AddDevice(fwDev1routerA);
385 }
386 net1.Add(fwDev1routerA);
387
388 { // second interface
389 fwDev2routerA = CreateObject<SimpleNetDevice>();
390 fwDev2routerA->SetAddress(Mac48Address("00:00:00:00:00:03"));
391 routerA->AddDevice(fwDev2routerA);
392 }
393 net2.Add(fwDev2routerA);
394
395 // Router B
396 Ptr<SimpleNetDevice> fwDev1routerB;
397 Ptr<SimpleNetDevice> fwDev2routerB;
398 { // first interface
399 fwDev1routerB = CreateObject<SimpleNetDevice>();
400 fwDev1routerB->SetAddress(Mac48Address("00:00:00:00:00:04"));
401 routerB->AddDevice(fwDev1routerB);
402 }
403 net2.Add(fwDev1routerB);
404
405 { // second interface
406 fwDev2routerB = CreateObject<SimpleNetDevice>();
407 fwDev2routerB->SetAddress(Mac48Address("00:00:00:00:00:05"));
408 routerB->AddDevice(fwDev2routerB);
409 }
410 net3.Add(fwDev2routerB);
411
412 // Router C
413 Ptr<SimpleNetDevice> fwDev1routerC;
414 Ptr<SimpleNetDevice> fwDev2routerC;
415 { // first interface
416 fwDev1routerC = CreateObject<SimpleNetDevice>();
417 fwDev1routerC->SetAddress(Mac48Address("00:00:00:00:00:06"));
418 routerC->AddDevice(fwDev1routerC);
419 }
420 net3.Add(fwDev1routerC);
421
422 { // second interface
423 fwDev2routerC = CreateObject<SimpleNetDevice>();
424 fwDev2routerC->SetAddress(Mac48Address("00:00:00:00:00:07"));
425 routerC->AddDevice(fwDev2routerC);
426 }
427 net4.Add(fwDev2routerC);
428
429 // Rx node
430 Ptr<SimpleNetDevice> rxDev;
431 { // first interface
432 rxDev = CreateObject<SimpleNetDevice>();
433 rxDev->SetAddress(Mac48Address("00:00:00:00:00:08"));
434 rxNode->AddDevice(rxDev);
435 }
436 net4.Add(rxDev);
437
438 // link the channels
439 Ptr<SimpleChannel> channel1 = CreateObject<SimpleChannel>();
440 txDev->SetChannel(channel1);
441 fwDev1routerA->SetChannel(channel1);
442
443 Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
444 fwDev2routerA->SetChannel(channel2);
445 fwDev1routerB->SetChannel(channel2);
446
447 Ptr<SimpleChannel> channel3 = CreateObject<SimpleChannel>();
448 fwDev2routerB->SetChannel(channel3);
449 fwDev1routerC->SetChannel(channel3);
450
451 Ptr<SimpleChannel> channel4 = CreateObject<SimpleChannel>();
452 fwDev2routerC->SetChannel(channel4);
453 rxDev->SetChannel(channel4);
454
455 // Setup IPv4 addresses and forwarding
456 Ipv4AddressHelper ipv4;
457
458 ipv4.SetBase(Ipv4Address("10.0.1.0"), Ipv4Mask("255.255.255.0"));
459 Ipv4InterfaceContainer iic1 = ipv4.Assign(net1);
460
461 ipv4.SetBase(Ipv4Address("192.168.0.0"), Ipv4Mask("255.255.255.0"));
462 Ipv4InterfaceContainer iic2 = ipv4.Assign(net2);
463
464 ipv4.SetBase(Ipv4Address("192.168.1.0"), Ipv4Mask("255.255.255.0"));
465 Ipv4InterfaceContainer iic3 = ipv4.Assign(net3);
466
467 ipv4.SetBase(Ipv4Address("10.0.2.0"), Ipv4Mask("255.255.255.0"));
468 Ipv4InterfaceContainer iic4 = ipv4.Assign(net4);
469
470 Ptr<Ipv4StaticRouting> staticRouting;
471 staticRouting = Ipv4RoutingHelper::GetRouting<Ipv4StaticRouting>(
472 txNode->GetObject<Ipv4>()->GetRoutingProtocol());
473 staticRouting->SetDefaultRoute("10.0.1.2", 1);
474 staticRouting = Ipv4RoutingHelper::GetRouting<Ipv4StaticRouting>(
475 rxNode->GetObject<Ipv4>()->GetRoutingProtocol());
476 staticRouting->SetDefaultRoute("10.0.2.1", 1);
477
478 // Create the UDP sockets
479 Ptr<SocketFactory> rxSocketFactory = rxNode->GetObject<UdpSocketFactory>();
480 Ptr<Socket> rxSocket = rxSocketFactory->CreateSocket();
481 NS_TEST_EXPECT_MSG_EQ(rxSocket->Bind(InetSocketAddress(Ipv4Address("10.0.2.2"), 1234)),
482 0,
483 "trivial");
484 rxSocket->SetRecvCallback(MakeCallback(&Ipv4RipCountToInfinityTest::ReceivePkt, this));
485
486 Ptr<SocketFactory> txSocketFactory = txNode->GetObject<UdpSocketFactory>();
487 Ptr<Socket> txSocket = txSocketFactory->CreateSocket();
488 txSocket->SetAllowBroadcast(true);
489
490 // ------ Now the tests ------------
491
492 SendData(txSocket, "10.0.2.2");
493 NS_TEST_EXPECT_MSG_EQ(m_receivedPacket->GetSize(), 0, "RIP counting to infinity.");
494
495 Simulator::Destroy();
496}
497
498/**
499 * @ingroup internet-test
500 *
501 * @brief IPv4 RIP SplitHorizon strategy Test
502 */
503class Ipv4RipSplitHorizonStrategyTest : public TestCase
504{
505 Rip::SplitHorizonType_e m_setStrategy; //!< Strategy set.
506 Rip::SplitHorizonType_e m_detectedStrategy; //!< Strategy detected.
507
508 public:
509 void DoRun() override;
510
511 /**
512 * @brief Constructor.
513 * @param strategy The SplitHorizon strategy.
514 */
515 Ipv4RipSplitHorizonStrategyTest(Rip::SplitHorizonType_e strategy);
516
517 /**
518 * @brief Receive data.
519 * @param socket The receiving socket.
520 */
521 void ReceivePktProbe(Ptr<Socket> socket);
522};
523
524Ipv4RipSplitHorizonStrategyTest::Ipv4RipSplitHorizonStrategyTest(Rip::SplitHorizonType_e strategy)
525 : TestCase("RIP Split Horizon strategy")
526{
527 m_setStrategy = strategy;
528}
529
530void
531Ipv4RipSplitHorizonStrategyTest::ReceivePktProbe(Ptr<Socket> socket)
532{
533 uint32_t availableData [[maybe_unused]] = socket->GetRxAvailable();
534 Address srcAddr;
535 Ptr<Packet> receivedPacketProbe =
536 socket->RecvFrom(std::numeric_limits<uint32_t>::max(), 0, srcAddr);
537 NS_TEST_ASSERT_MSG_EQ(availableData,
538 receivedPacketProbe->GetSize(),
539 "Received Packet size is not equal to the Rx buffer size");
540 Ipv4Address senderAddress = InetSocketAddress::ConvertFrom(srcAddr).GetIpv4();
541
542 if (senderAddress == "192.168.0.2")
543 {
544 RipHeader hdr;
545 receivedPacketProbe->RemoveHeader(hdr);
546
547 std::list<RipRte> rtes = hdr.GetRteList();
548
549 // validate the RTEs before processing
550 for (auto iter = rtes.begin(); iter != rtes.end(); iter++)
551 {
552 if (iter->GetPrefix() == "10.0.1.0")
553 {
554 bool correct = false;
555 if (iter->GetRouteMetric() == 16)
556 {
557 correct = true;
558 m_detectedStrategy = Rip::POISON_REVERSE;
559 }
560 else if (iter->GetRouteMetric() == 2)
561 {
562 correct = true;
563 m_detectedStrategy = Rip::NO_SPLIT_HORIZON;
564 }
565 NS_TEST_EXPECT_MSG_EQ(correct,
566 true,
567 "RIP: unexpected metric value: " << iter->GetRouteMetric());
568 }
569 }
570 }
571}
572
573void
574Ipv4RipSplitHorizonStrategyTest::DoRun()
575{
576 // Create topology
577
578 Ptr<Node> fakeNode = CreateObject<Node>();
579 Ptr<Node> listener = CreateObject<Node>();
580
581 Ptr<Node> routerA = CreateObject<Node>();
582 Ptr<Node> routerB = CreateObject<Node>();
583
584 NodeContainer listeners(listener, fakeNode);
585 NodeContainer routers(routerA, routerB);
586 NodeContainer all(routers, listeners);
587
588 RipHelper ripNgRouting;
589 ripNgRouting.Set("SplitHorizon", EnumValue(m_setStrategy));
590
591 InternetStackHelper internetRouters;
592 internetRouters.SetRoutingHelper(ripNgRouting);
593 internetRouters.Install(routers);
594
595 InternetStackHelper internetNodes;
596 internetNodes.Install(listeners);
597
598 NetDeviceContainer net0;
599 NetDeviceContainer net1;
600
601 // Fake Node
602 Ptr<SimpleNetDevice> silentDev;
603 {
604 silentDev = CreateObject<SimpleNetDevice>();
605 silentDev->SetAddress(Mac48Address("00:00:00:00:00:01"));
606 fakeNode->AddDevice(silentDev);
607 }
608 net0.Add(silentDev);
609
610 // Router A
611 Ptr<SimpleNetDevice> silentDevRouterA;
612 Ptr<SimpleNetDevice> fwDevRouterA;
613 { // silent interface
614 silentDevRouterA = CreateObject<SimpleNetDevice>();
615 silentDevRouterA->SetAddress(Mac48Address("00:00:00:00:00:02"));
616 routerA->AddDevice(silentDevRouterA);
617 }
618 net0.Add(silentDevRouterA);
619
620 { // first interface
621 fwDevRouterA = CreateObject<SimpleNetDevice>();
622 fwDevRouterA->SetAddress(Mac48Address("00:00:00:00:00:03"));
623 routerA->AddDevice(fwDevRouterA);
624 }
625 net1.Add(fwDevRouterA);
626
627 // Router B
628 Ptr<SimpleNetDevice> fwDevRouterB;
629 { // first interface
630 fwDevRouterB = CreateObject<SimpleNetDevice>();
631 fwDevRouterB->SetAddress(Mac48Address("00:00:00:00:00:04"));
632 routerB->AddDevice(fwDevRouterB);
633 }
634 net1.Add(fwDevRouterB);
635
636 // listener A
637 Ptr<SimpleNetDevice> listenerDev;
638 {
639 listenerDev = CreateObject<SimpleNetDevice>();
640 listenerDev->SetAddress(Mac48Address("00:00:00:00:00:05"));
641 listener->AddDevice(listenerDev);
642 }
643 net1.Add(listenerDev);
644
645 // link the channels
646 Ptr<SimpleChannel> channel0 = CreateObject<SimpleChannel>();
647 silentDev->SetChannel(channel0);
648 silentDevRouterA->SetChannel(channel0);
649
650 Ptr<SimpleChannel> channel1 = CreateObject<SimpleChannel>();
651 fwDevRouterA->SetChannel(channel1);
652 fwDevRouterB->SetChannel(channel1);
653 listenerDev->SetChannel(channel1);
654
655 // Setup IPv6 addresses and forwarding
656 Ipv4AddressHelper ipv4;
657
658 ipv4.SetBase(Ipv4Address("10.0.1.0"), Ipv4Mask("255.255.255.0"));
659 Ipv4InterfaceContainer iic0 = ipv4.Assign(net0);
660
661 ipv4.SetBase(Ipv4Address("192.168.0.0"), Ipv4Mask("255.255.255.0"));
662 Ipv4InterfaceContainer iic1 = ipv4.Assign(net1);
663
664 // Create the UDP sockets
665 Ptr<SocketFactory> rxSocketFactory = listener->GetObject<UdpSocketFactory>();
666 Ptr<Socket> rxSocket = rxSocketFactory->CreateSocket();
667 rxSocket->BindToNetDevice(listenerDev);
668 NS_TEST_EXPECT_MSG_EQ(rxSocket->Bind(InetSocketAddress(Ipv4Address("224.0.0.9"), 520)),
669 0,
670 "trivial");
671 rxSocket->SetRecvCallback(
672 MakeCallback(&Ipv4RipSplitHorizonStrategyTest::ReceivePktProbe, this));
673
674 // ------ Now the tests ------------
675
676 // If the strategy is Split Horizon, then no packet will be received.
677 m_detectedStrategy = Rip::SPLIT_HORIZON;
678
679 Simulator::Stop(Seconds(66));
680 Simulator::Run();
681 NS_TEST_EXPECT_MSG_EQ(m_detectedStrategy, m_setStrategy, "RIP counting to infinity.");
682
683 Simulator::Destroy();
684}
685
686/**
687 * @ingroup internet-test
688 *
689 * @brief IPv4 RIP TestSuite
690 */
691class Ipv4RipTestSuite : public TestSuite
692{
693 public:
694 Ipv4RipTestSuite()
695 : TestSuite("ipv4-rip", Type::UNIT)
696 {
697 AddTestCase(new Ipv4RipTest, TestCase::Duration::QUICK);
698 AddTestCase(new Ipv4RipCountToInfinityTest, TestCase::Duration::QUICK);
699 AddTestCase(new Ipv4RipSplitHorizonStrategyTest(Rip::POISON_REVERSE),
700 TestCase::Duration::QUICK);
701 AddTestCase(new Ipv4RipSplitHorizonStrategyTest(Rip::SPLIT_HORIZON),
702 TestCase::Duration::QUICK);
703 AddTestCase(new Ipv4RipSplitHorizonStrategyTest(Rip::NO_SPLIT_HORIZON),
704 TestCase::Duration::QUICK);
705 }
706};
707
708static Ipv4RipTestSuite g_ipv4ripTestSuite; //!< Static variable for test initialization
Ipv4RipCountToInfinityTest
IPv4 RIP count to infinity Test.
Definition ipv4-rip-test.cc:271
Ipv4RipCountToInfinityTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition ipv4-rip-test.cc:335
Ipv4RipCountToInfinityTest::ReceivePkt
void ReceivePkt(Ptr< Socket > socket)
Receive data.
Definition ipv4-rip-test.cc:304
Ipv4RipCountToInfinityTest::DoSendData
void DoSendData(Ptr< Socket > socket, std::string to)
Send data.
Definition ipv4-rip-test.cc:314
Ipv4RipCountToInfinityTest::SendData
void SendData(Ptr< Socket > socket, std::string to)
Send data.
Definition ipv4-rip-test.cc:321
Ipv4RipCountToInfinityTest::m_receivedPacket
Ptr< Packet > m_receivedPacket
Received packet.
Definition ipv4-rip-test.cc:272
Ipv4RipSplitHorizonStrategyTest
IPv4 RIP SplitHorizon strategy Test.
Definition ipv4-rip-test.cc:504
Ipv4RipSplitHorizonStrategyTest::ReceivePktProbe
void ReceivePktProbe(Ptr< Socket > socket)
Receive data.
Definition ipv4-rip-test.cc:531
Ipv4RipSplitHorizonStrategyTest::m_detectedStrategy
Rip::SplitHorizonType_e m_detectedStrategy
Strategy detected.
Definition ipv4-rip-test.cc:506
Ipv4RipSplitHorizonStrategyTest::Ipv4RipSplitHorizonStrategyTest
Ipv4RipSplitHorizonStrategyTest(Rip::SplitHorizonType_e strategy)
Constructor.
Definition ipv4-rip-test.cc:524
Ipv4RipSplitHorizonStrategyTest::m_setStrategy
Rip::SplitHorizonType_e m_setStrategy
Strategy set.
Definition ipv4-rip-test.cc:505
Ipv4RipSplitHorizonStrategyTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition ipv4-rip-test.cc:574
Ipv4RipTest
IPv4 RIP Test.
Definition ipv4-rip-test.cc:42
Ipv4RipTest::SendData
void SendData(Ptr< Socket > socket, std::string to)
Send data.
Definition ipv4-rip-test.cc:92
Ipv4RipTest::ReceivePkt
void ReceivePkt(Ptr< Socket > socket)
Receive data.
Definition ipv4-rip-test.cc:75
Ipv4RipTest::m_receivedPacket
Ptr< Packet > m_receivedPacket
Received packet.
Definition ipv4-rip-test.cc:43
Ipv4RipTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition ipv4-rip-test.cc:106
Ipv4RipTest::DoSendData
void DoSendData(Ptr< Socket > socket, std::string to)
Send data.
Definition ipv4-rip-test.cc:85
Ipv4RipTestSuite
IPv4 RIP TestSuite.
Definition ipv4-rip-test.cc:692
ns3::Address
a polymophic address class
Definition address.h:90
ns3::EnumValue
Hold variables of type enum.
Definition enum.h:52
ns3::InetSocketAddress
an Inet address class
Definition inet-socket-address.h:31
ns3::InetSocketAddress::GetIpv4
Ipv4Address GetIpv4() const
Definition inet-socket-address.cc:62
ns3::InetSocketAddress::ConvertFrom
static InetSocketAddress ConvertFrom(const Address &address)
Returns an InetSocketAddress which corresponds to the input Address.
Definition inet-socket-address.cc:106
ns3::InternetStackHelper
aggregate IP/TCP/UDP functionality to existing Nodes.
Definition internet-stack-helper.h:81
ns3::InternetStackHelper::Install
void Install(std::string nodeName) const
Aggregate implementations of the ns3::Ipv4, ns3::Ipv6, ns3::Udp, and ns3::Tcp classes onto the provid...
Definition internet-stack-helper.cc:359
ns3::InternetStackHelper::SetRoutingHelper
void SetRoutingHelper(const Ipv4RoutingHelper &routing)
Definition internet-stack-helper.cc:174
ns3::Ipv4AddressHelper
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
Definition ipv4-address-helper.h:38
ns3::Ipv4Address
Ipv4 addresses are stored in host order in this class.
Definition ipv4-address.h:31
ns3::Ipv4
Access to the IPv4 forwarding table, interfaces, and configuration.
Definition ipv4.h:69
ns3::Ipv4::GetRoutingProtocol
virtual Ptr< Ipv4RoutingProtocol > GetRoutingProtocol() const =0
Get the routing protocol to be used by this Ipv4 stack.
ns3::Ipv4InterfaceContainer
holds a vector of std::pair of Ptr<Ipv4> and interface index.
Definition ipv4-interface-container.h:45
ns3::Ipv4Mask
a class to represent an Ipv4 address mask
Definition ipv4-address.h:254
ns3::Ipv4RoutingHelper::GetRouting
static Ptr< T > GetRouting(Ptr< Ipv4RoutingProtocol > protocol)
Request a specified routing protocol <T> from Ipv4RoutingProtocol protocol.
Definition ipv4-routing-helper.h:278
ns3::Mac48Address
an EUI-48 address
Definition mac48-address.h:35
ns3::NetDeviceContainer
holds a vector of ns3::NetDevice pointers
Definition net-device-container.h:32
ns3::NetDeviceContainer::Add
void Add(NetDeviceContainer other)
Append the contents of another NetDeviceContainer to the end of this container.
Definition net-device-container.cc:62
ns3::NodeContainer
keep track of a set of node pointers.
Definition node-container.h:29
ns3::Packet::GetSize
uint32_t GetSize() const
Returns the the size in bytes of the packet (including the zero-filled initial payload).
Definition packet.h:850
ns3::Packet::RemoveAllByteTags
void RemoveAllByteTags()
Remove all byte tags stored in this packet.
Definition packet.cc:382
ns3::Ptr
Smart pointer class similar to boost::intrusive_ptr.
Definition mpi-test-fixtures.h:37
ns3::RipHeader
RipHeader - see RFC 2453
Definition rip-header.h:147
ns3::RipHeader::GetRteList
std::list< RipRte > GetRteList() const
Get the list of the RTEs included in the message.
Definition rip-header.cc:289
ns3::RipHelper
Helper class that adds RIP routing to nodes.
Definition rip-helper.h:31
ns3::RipHelper::Set
void Set(std::string name, const AttributeValue &value)
Definition rip-helper.cc:70
ns3::RipHelper::SetInterfaceMetric
void SetInterfaceMetric(Ptr< Node > node, uint32_t interface, uint8_t metric)
Set a metric for an interface.
Definition rip-helper.cc:166
ns3::Rip::SplitHorizonType_e
SplitHorizonType_e
Split Horizon strategy type.
Definition rip.h:201
ns3::Rip::SPLIT_HORIZON
@ SPLIT_HORIZON
Split Horizon.
Definition rip.h:203
ns3::Rip::NO_SPLIT_HORIZON
@ NO_SPLIT_HORIZON
No Split Horizon.
Definition rip.h:202
ns3::Rip::POISON_REVERSE
@ POISON_REVERSE
Poison Reverse Split Horizon.
Definition rip.h:204
ns3::Simulator::Destroy
static void Destroy()
Execute the events scheduled with ScheduleDestroy().
Definition simulator.cc:131
ns3::Simulator::ScheduleWithContext
static void ScheduleWithContext(uint32_t context, const Time &delay, FUNC f, Ts &&... args)
Schedule an event with the given context.
Definition simulator.h:578
ns3::Simulator::Run
static void Run()
Run the simulation.
Definition simulator.cc:167
ns3::Simulator::Stop
static void Stop()
Tell the Simulator the calling event should be the last one executed.
Definition simulator.cc:175
ns3::TestCase
encapsulates test code
Definition test.h:1050
ns3::TestCase::AddTestCase
void AddTestCase(TestCase *testCase, Duration duration=Duration::QUICK)
Add an individual child TestCase to this test suite.
Definition test.cc:292
ns3::TestSuite
A suite of tests to run.
Definition test.h:1267
ns3::TestSuite::Type
Type
Type of test.
Definition test.h:1274
ns3::TestSuite::UNIT
static constexpr auto UNIT
Definition test.h:1291
ns3::UdpSocketFactory
API to create UDP socket instances.
Definition udp-socket-factory.h:31
uint32_t
ns3::CreateObject
Ptr< T > CreateObject(Args &&... args)
Create an object by type, with varying number of constructor parameters.
Definition object.h:619
ns3::Create
Ptr< T > Create(Ts &&... args)
Create class instances by constructors with varying numbers of arguments and return them by Ptr.
Definition ptr.h:436
NS_TEST_ASSERT_MSG_EQ
#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
NS_TEST_EXPECT_MSG_EQ
#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:241
ns3::Seconds
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition nstime.h:1345
g_ipv4ripTestSuite
static Ipv4RipTestSuite g_ipv4ripTestSuite
Static variable for test initialization.
Definition ipv4-rip-test.cc:708
nodes
NodeContainer nodes
Definition lr-wpan-bootstrap.cc:43
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ns3::MakeCallback
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