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ipv4-global-routing-test-suite.cc
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1/*
2 * SPDX-License-Identifier: GPL-2.0-only
3 */
4
5#include "ns3/boolean.h"
6#include "ns3/bridge-helper.h"
7#include "ns3/config.h"
8#include "ns3/inet-socket-address.h"
9#include "ns3/internet-stack-helper.h"
10#include "ns3/ipv4-address-helper.h"
11#include "ns3/ipv4-global-routing-helper.h"
12#include "ns3/ipv4-global-routing.h"
13#include "ns3/ipv4-l3-protocol.h"
14#include "ns3/ipv4-packet-info-tag.h"
15#include "ns3/ipv4-routing-protocol.h"
16#include "ns3/ipv4-routing-table-entry.h"
17#include "ns3/ipv4-static-routing-helper.h"
18#include "ns3/log.h"
19#include "ns3/node-container.h"
20#include "ns3/node.h"
21#include "ns3/packet.h"
22#include "ns3/pointer.h"
23#include "ns3/simple-channel.h"
24#include "ns3/simple-net-device-helper.h"
25#include "ns3/simple-net-device.h"
26#include "ns3/simulator.h"
27#include "ns3/socket-factory.h"
28#include "ns3/string.h"
29#include "ns3/test.h"
30#include "ns3/udp-socket-factory.h"
31#include "ns3/uinteger.h"
32
33#include <vector>
34
35using namespace ns3;
36
37NS_LOG_COMPONENT_DEFINE("Ipv4GlobalRoutingTestSuite");
38
39// This test suite tests the operation of global routing on a few sample
40// networks to ensure that routes are built correctly
41//
42// Link test:
43// n0 <--------> n1 (point-to-point link)
44// 10.1.1.1 10.1.1.2
45// Expected routes:
46// n0: route to 0.0.0.0 gw 10.1.1.2
47// n1: route to 0.0.0.0 gw 10.1.1.1
48// Note: These default routes to 0.0.0.0 are generated by the extension
49// in the global route manager to install default routes via the
50// peer node on a point-to-point link, when the node is on a
51// stub link
52//
53// LAN test:
54// n0 <--------> n1 (broadcast link on subnet 10.1.1.0/24)
55// Expected routes:
56// n0: route to 10.1.1.0 gw 0.0.0.0
57// n1: route to 10.1.1.0 gw 0.0.0.0
58// Two link test:
59// n0 <--------> n1 <--------> n2 (point-to-point links)
60// 10.1.1.1 10.1.1.2/ 10.1.2.2
61// 10.1.2.1
62// Expected routes:
63// n0: route to 0.0.0.0 gw 10.1.1.2
64// n1: route to 10.1.1.1 gw 10.1.1.1
65// route to 10.1.2.2 gw 10.1.2.2
66// route to 10.1.1.0 gw 10.1.1.1
67// route to 10.1.2.0 gw 10.1.2.2
68// n2: route to 0.0.0.0 gw 10.1.2.1
69// Note: These default routes to 0.0.0.0 are generated by the extension
70// in the global route manager to install default routes via the
71// peer node on a point-to-point link, when the node is on a
72// stub link
73// Two LANs test:
74// n0 <--------> n1 <--------> n2 (broadcast links)
75// Expected routes:
76// n0: route to 10.1.1.0 gw 0.0.0.0
77// route to 0.0.0.0 gw 10.1.1.2
78// n1: route to 10.1.1.1 gw 10.1.1.1
79// route to 10.1.2.2 gw 10.1.2.2
80// route to 10.1.1.0 gw 10.1.1.1
81// route to 10.1.2.0 gw 10.1.2.2
82// n2: route to 0.0.0.0 gw 10.1.2.1
83// Bridge test:
84// n0 <--------> n1 <---> Bridge-n2 <---> n3 <-------> n4 (broadcast links)
85// 10.1.1.0/24 10.1.2.0/24 10.1.3.0/24
86// Expected routes:
87// n0: route to 10.1.1.0 gw 0.0.0.0
88// route to 10.1.2.0 gw 10.1.1.2
89// route to 10.1.3.0 gw 10.1.1.2
90// n1: route to 10.1.1.0 gw 0.0.0.0
91// route to 10.1.2.0 gw 0.0.0.0
92// route to 10.1.3.0 gw 10.1.2.2
93// n3: route to 10.1.1.0 gw 10.1.2.1
94// route to 10.1.2.0 gw 0.0.0.0
95// route to 10.1.3.0 gw 0.0.0.0
96// n4: route to 10.1.3.0 gw 0.0.0.0
97// route to 10.1.2.0 gw 10.1.3.1
98// route to 10.1.1.0 gw 10.1.3.1
99// Two Bridge test:
100// n0 <------> n1 <---> Bridge-n2 <---> Bridge-n3 <---> n4 (broadcast links)
101// 10.1.1.0/24 10.1.2.0/24
102// Expected routes:
103// n0: route to 10.1.1.0 gw 0.0.0.0
104// route to 10.1.2.0 gw 10.1.1.2
105// n4: route to 10.1.2.0 gw 0.0.0.0
106// route to 10.1.1.0 gw 10.1.2.1
107
108/**
109 * @ingroup internet-test
110 *
111 * @brief IPv4 GlobalRouting Link test
112 */
113class LinkTest : public TestCase
114{
115 public:
116 void DoSetup() override;
117 void DoRun() override;
118 LinkTest();
119
120 private:
121 NodeContainer m_nodes; //!< Nodes used in the test.
122};
123
124LinkTest::LinkTest()
125 : TestCase("Global routing on point-to-point link")
126{
127}
128
129void
130LinkTest::DoSetup()
131{
132 m_nodes.Create(2);
133
134 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
135 SimpleNetDeviceHelper simpleHelper;
136 simpleHelper.SetNetDevicePointToPointMode(true);
137 NetDeviceContainer net = simpleHelper.Install(m_nodes, channel);
138
139 InternetStackHelper internet;
140 // By default, InternetStackHelper adds a static and global routing
141 // implementation. We just want the global for this test.
142 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
143 internet.SetRoutingHelper(ipv4RoutingHelper);
144 internet.Install(m_nodes);
145
146 Ipv4AddressHelper ipv4;
147 ipv4.SetBase("10.1.1.0", "255.255.255.252");
148 Ipv4InterfaceContainer i = ipv4.Assign(net);
149}
150
151void
152LinkTest::DoRun()
153{
154 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
155
156 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
157 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
158 Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get(1)->GetObject<Ipv4L3Protocol>();
159 NS_TEST_ASSERT_MSG_NE(ip1, nullptr, "Error-- no Ipv4 object");
160 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
161 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
162 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
163 Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol();
164 Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject<Ipv4GlobalRouting>();
165 NS_TEST_ASSERT_MSG_NE(globalRouting1, nullptr, "Error-- no Ipv4GlobalRouting object");
166
167 // Test that the right number of routes found
168 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
169 NS_LOG_DEBUG("LinkTest nRoutes0 " << nRoutes0);
170 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 1, "Error-- not one route");
171 Ipv4RoutingTableEntry* route = globalRouting0->GetRoute(0);
172 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
173 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("0.0.0.0"), "Error-- wrong destination");
174 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.2"), "Error-- wrong gateway");
175
176 // Test that the right number of routes found
177 uint32_t nRoutes1 = globalRouting1->GetNRoutes();
178 NS_TEST_ASSERT_MSG_EQ(nRoutes1, 1, "Error-- not one route");
179 NS_LOG_DEBUG("LinkTest nRoutes1 " << nRoutes1);
180 route = globalRouting1->GetRoute(0);
181 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
182 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("0.0.0.0"), "Error-- wrong destination");
183 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.1"), "Error-- wrong gateway");
184
185 bool result = true;
186
187 NS_TEST_ASSERT_MSG_EQ(result, true, "Message");
188 Simulator::Run();
189 Simulator::Destroy();
190}
191
192/**
193 * @ingroup internet-test
194 *
195 * @brief IPv4 GlobalRouting LAN test
196 */
197class LanTest : public TestCase
198{
199 public:
200 void DoSetup() override;
201 void DoRun() override;
202 LanTest();
203
204 private:
205 NodeContainer m_nodes; //!< Nodes used in the test.
206};
207
208LanTest::LanTest()
209 : TestCase("Global routing on broadcast link")
210{
211}
212
213void
214LanTest::DoSetup()
215{
216 m_nodes.Create(2);
217
218 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
219 SimpleNetDeviceHelper simpleHelper;
220 NetDeviceContainer net = simpleHelper.Install(m_nodes, channel);
221
222 InternetStackHelper internet;
223 // By default, InternetStackHelper adds a static and global routing
224 // implementation. We just want the global for this test.
225 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
226 internet.SetRoutingHelper(ipv4RoutingHelper);
227 internet.Install(m_nodes);
228
229 Ipv4AddressHelper ipv4;
230 ipv4.SetBase("10.1.1.0", "255.255.255.0");
231 Ipv4InterfaceContainer i = ipv4.Assign(net);
232}
233
234void
235LanTest::DoRun()
236{
237 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
238
239 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
240 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
241 Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get(1)->GetObject<Ipv4L3Protocol>();
242 NS_TEST_ASSERT_MSG_NE(ip1, nullptr, "Error-- no Ipv4 object");
243 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
244 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
245 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
246 Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol();
247 Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject<Ipv4GlobalRouting>();
248 NS_TEST_ASSERT_MSG_NE(globalRouting1, nullptr, "Error-- no Ipv4GlobalRouting object");
249
250 // Test that the right number of routes found
251 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
252 NS_LOG_DEBUG("LanTest nRoutes0 " << nRoutes0);
253 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 1, "Error-- more than one entry");
254 for (uint32_t i = 0; i < globalRouting0->GetNRoutes(); i++)
255 {
256 Ipv4RoutingTableEntry* route = globalRouting0->GetRoute(i);
257 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
258 }
259
260 // Test that the right number of routes found
261 uint32_t nRoutes1 = globalRouting1->GetNRoutes();
262 NS_LOG_DEBUG("LanTest nRoutes1 " << nRoutes1);
263 NS_TEST_ASSERT_MSG_EQ(nRoutes1, 1, "Error-- more than one entry");
264 for (uint32_t i = 0; i < globalRouting0->GetNRoutes(); i++)
265 {
266 Ipv4RoutingTableEntry* route = globalRouting1->GetRoute(i);
267 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
268 }
269
270 Simulator::Destroy();
271}
272
273/**
274 * @ingroup internet-test
275 *
276 * @brief IPv4 GlobalRouting Two Link test
277 */
278class TwoLinkTest : public TestCase
279{
280 public:
281 void DoSetup() override;
282 void DoRun() override;
283 TwoLinkTest();
284
285 private:
286 NodeContainer m_nodes; //!< Nodes used in the test.
287};
288
289TwoLinkTest::TwoLinkTest()
290 : TestCase("Global routing across two hops (point-to-point links)")
291{
292}
293
294void
295TwoLinkTest::DoSetup()
296{
297 m_nodes.Create(3);
298
299 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
300 SimpleNetDeviceHelper simpleHelper;
301 simpleHelper.SetNetDevicePointToPointMode(true);
302 NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
303 net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
304
305 Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
306 SimpleNetDeviceHelper simpleHelper2;
307 simpleHelper2.SetNetDevicePointToPointMode(true);
308 NetDeviceContainer net2 = simpleHelper.Install(m_nodes.Get(1), channel2);
309 net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
310
311 InternetStackHelper internet;
312 // By default, InternetStackHelper adds a static and global routing
313 // implementation. We just want the global for this test.
314 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
315 internet.SetRoutingHelper(ipv4RoutingHelper);
316 internet.Install(m_nodes);
317
318 Ipv4AddressHelper ipv4;
319 ipv4.SetBase("10.1.1.0", "255.255.255.252");
320 Ipv4InterfaceContainer i = ipv4.Assign(net);
321 ipv4.SetBase("10.1.2.0", "255.255.255.252");
322 Ipv4InterfaceContainer i2 = ipv4.Assign(net2);
323}
324
325void
326TwoLinkTest::DoRun()
327{
328 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
329
330 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
331 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
332 Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get(1)->GetObject<Ipv4L3Protocol>();
333 NS_TEST_ASSERT_MSG_NE(ip1, nullptr, "Error-- no Ipv4 object");
334 Ptr<Ipv4L3Protocol> ip2 = m_nodes.Get(2)->GetObject<Ipv4L3Protocol>();
335 NS_TEST_ASSERT_MSG_NE(ip2, nullptr, "Error-- no Ipv4 object");
336 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
337 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
338 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
339 Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol();
340 Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject<Ipv4GlobalRouting>();
341 NS_TEST_ASSERT_MSG_NE(globalRouting1, nullptr, "Error-- no Ipv4GlobalRouting object");
342 Ptr<Ipv4RoutingProtocol> routing2 = ip2->GetRoutingProtocol();
343 Ptr<Ipv4GlobalRouting> globalRouting2 = routing2->GetObject<Ipv4GlobalRouting>();
344 NS_TEST_ASSERT_MSG_NE(globalRouting2, nullptr, "Error-- no Ipv4GlobalRouting object");
345
346 // node n0
347 // Test that the right number of routes found
348 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
349 NS_LOG_DEBUG("TwoLinkTest nRoutes0 " << nRoutes0);
350 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 1, "Error-- wrong number of links");
351
352 Ipv4RoutingTableEntry* route = globalRouting0->GetRoute(0);
353 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
354 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("0.0.0.0"), "Error-- wrong destination");
355 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.2"), "Error-- wrong gateway");
356
357 // node n1
358 // Test that the right number of routes found
359 uint32_t nRoutes1 = globalRouting1->GetNRoutes();
360 NS_LOG_DEBUG("TwoLinkTest nRoutes1 " << nRoutes1);
361 route = globalRouting1->GetRoute(0);
362 NS_LOG_DEBUG("TwoLinkTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
363 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.1.1"), "Error-- wrong destination");
364 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.1"), "Error-- wrong gateway");
365 route = globalRouting1->GetRoute(1);
366 NS_LOG_DEBUG("TwoLinkTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
367 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.2.2"), "Error-- wrong destination");
368 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.2.2"), "Error-- wrong gateway");
369 route = globalRouting1->GetRoute(2);
370 NS_LOG_DEBUG("TwoLinkTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
371 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.1.0"), "Error-- wrong destination");
372 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.1"), "Error-- wrong gateway");
373 route = globalRouting1->GetRoute(3);
374 NS_LOG_DEBUG("TwoLinkTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
375 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.2.0"), "Error-- wrong destination");
376 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.2.2"), "Error-- wrong gateway");
377
378 // node n2
379 // Test that the right number of routes found
380 uint32_t nRoutes2 = globalRouting2->GetNRoutes();
381 NS_LOG_DEBUG("TwoLinkTest nRoutes2 " << nRoutes2);
382 NS_TEST_ASSERT_MSG_EQ(nRoutes2, 1, "Error-- wrong number of links");
383
384 route = globalRouting2->GetRoute(0);
385 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
386 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("0.0.0.0"), "Error-- wrong destination");
387 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.2.1"), "Error-- wrong gateway");
388
389 Simulator::Destroy();
390}
391
392/**
393 * @ingroup internet-test
394 *
395 * @brief IPv4 GlobalRouting Two LAN test
396 */
397class TwoLanTest : public TestCase
398{
399 public:
400 void DoSetup() override;
401 void DoRun() override;
402 TwoLanTest();
403
404 private:
405 NodeContainer m_nodes; //!< Nodes used in the test.
406};
407
408TwoLanTest::TwoLanTest()
409 : TestCase("Global routing across two hops (broadcast links)")
410{
411}
412
413void
414TwoLanTest::DoSetup()
415{
416 m_nodes.Create(3);
417
418 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
419 SimpleNetDeviceHelper simpleHelper;
420 NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
421 net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
422
423 Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
424 SimpleNetDeviceHelper simpleHelper2;
425 NetDeviceContainer net2 = simpleHelper.Install(m_nodes.Get(1), channel2);
426 net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
427
428 InternetStackHelper internet;
429 // By default, InternetStackHelper adds a static and global routing
430 // implementation. We just want the global for this test.
431 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
432 internet.SetRoutingHelper(ipv4RoutingHelper);
433 internet.Install(m_nodes);
434
435 Ipv4AddressHelper ipv4;
436 ipv4.SetBase("10.1.1.0", "255.255.255.0");
437 Ipv4InterfaceContainer i = ipv4.Assign(net);
438 ipv4.SetBase("10.1.2.0", "255.255.255.0");
439 Ipv4InterfaceContainer i2 = ipv4.Assign(net2);
440}
441
442void
443TwoLanTest::DoRun()
444{
445 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
446
447 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
448 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
449 Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get(1)->GetObject<Ipv4L3Protocol>();
450 NS_TEST_ASSERT_MSG_NE(ip1, nullptr, "Error-- no Ipv4 object");
451 Ptr<Ipv4L3Protocol> ip2 = m_nodes.Get(2)->GetObject<Ipv4L3Protocol>();
452 NS_TEST_ASSERT_MSG_NE(ip2, nullptr, "Error-- no Ipv4 object");
453 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
454 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
455 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
456 Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol();
457 Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject<Ipv4GlobalRouting>();
458 NS_TEST_ASSERT_MSG_NE(globalRouting1, nullptr, "Error-- no Ipv4GlobalRouting object");
459 Ptr<Ipv4RoutingProtocol> routing2 = ip2->GetRoutingProtocol();
460 Ptr<Ipv4GlobalRouting> globalRouting2 = routing2->GetObject<Ipv4GlobalRouting>();
461 NS_TEST_ASSERT_MSG_NE(globalRouting2, nullptr, "Error-- no Ipv4GlobalRouting object");
462
463 // Test that the right number of routes found
464 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
465 NS_LOG_DEBUG("TwoLanTest nRoutes0 " << nRoutes0);
466 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 2, "Error-- not two entries");
467 Ipv4RoutingTableEntry* route = globalRouting0->GetRoute(0);
468 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
469 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.1.0"), "Error-- wrong destination");
470 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("0.0.0.0"), "Error-- wrong gateway");
471 route = globalRouting0->GetRoute(1);
472 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
473 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.2.0"), "Error-- wrong destination");
474 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.2"), "Error-- wrong gateway");
475
476 // Test that the right number of routes found
477 uint32_t nRoutes1 = globalRouting1->GetNRoutes();
478 NS_LOG_DEBUG("TwoLanTest nRoutes1 " << nRoutes1);
479 NS_TEST_ASSERT_MSG_EQ(nRoutes1, 2, "Error-- not two entries");
480 route = globalRouting1->GetRoute(0);
481 NS_LOG_DEBUG("TwoLanTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
482 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.1.0"), "Error-- wrong destination");
483 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("0.0.0.0"), "Error-- wrong gateway");
484 route = globalRouting1->GetRoute(1);
485 NS_LOG_DEBUG("TwoLanTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
486 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.2.0"), "Error-- wrong destination");
487 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("0.0.0.0"), "Error-- wrong gateway");
488
489 Simulator::Destroy();
490}
491
492/**
493 * @ingroup internet-test
494 *
495 * @brief IPv4 GlobalRouting Bridge test
496 */
497class BridgeTest : public TestCase
498{
499 public:
500 void DoSetup() override;
501 void DoRun() override;
502 BridgeTest();
503
504 private:
505 NodeContainer m_nodes; //!< Nodes used in the test.
506};
507
508BridgeTest::BridgeTest()
509 : TestCase("Global routing across bridging topology (bug 2102)")
510{
511}
512
513void
514BridgeTest::DoSetup()
515{
516 m_nodes.Create(5);
517
518 // connect node0 to node1
519 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
520 SimpleNetDeviceHelper simpleHelper;
521 NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
522 net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
523
524 NetDeviceContainer bridgeFacingDevices;
525 NetDeviceContainer switchDevices;
526
527 // connect node1 to node2 (switch)
528 Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
529 SimpleNetDeviceHelper simpleHelper2;
530 NetDeviceContainer net2 = simpleHelper2.Install(m_nodes.Get(1), channel2);
531 net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
532 bridgeFacingDevices.Add(net2.Get(0));
533 switchDevices.Add(net2.Get(1));
534
535 // connect node2 (switch) to node3
536 Ptr<SimpleChannel> channel3 = CreateObject<SimpleChannel>();
537 SimpleNetDeviceHelper simpleHelper3;
538 NetDeviceContainer net3 = simpleHelper3.Install(m_nodes.Get(2), channel3);
539 net3.Add(simpleHelper3.Install(m_nodes.Get(3), channel3));
540 bridgeFacingDevices.Add(net3.Get(1));
541 switchDevices.Add(net3.Get(0));
542
543 // connect node3 to node4
544 Ptr<SimpleChannel> channel4 = CreateObject<SimpleChannel>();
545 SimpleNetDeviceHelper simpleHelper4;
546 NetDeviceContainer net4 = simpleHelper4.Install(m_nodes.Get(3), channel4);
547 net4.Add(simpleHelper4.Install(m_nodes.Get(4), channel4));
548
549 Ptr<Node> switchNode = m_nodes.Get(2);
550 BridgeHelper bridge;
551 bridge.Install(switchNode, switchDevices);
552
553 InternetStackHelper internet;
554 // By default, InternetStackHelper adds a static and global routing
555 // implementation. We just want the global for this test.
556 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
557 internet.SetRoutingHelper(ipv4RoutingHelper);
558
559 internet.Install(m_nodes.Get(0));
560 internet.Install(m_nodes.Get(1));
561 // m_nodes.Get (2) is bridge node
562 internet.Install(m_nodes.Get(3));
563 internet.Install(m_nodes.Get(4));
564
565 Ipv4AddressHelper address;
566 address.SetBase("10.1.1.0", "255.255.255.0");
567 address.Assign(net);
568
569 address.SetBase("10.1.2.0", "255.255.255.0");
570 address.Assign(bridgeFacingDevices);
571
572 address.SetBase("10.1.3.0", "255.255.255.0");
573 address.Assign(net4);
574}
575
576void
577BridgeTest::DoRun()
578{
579 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
580
581 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
582 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
583 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
584 NS_TEST_ASSERT_MSG_NE(routing0, nullptr, "Error-- no Ipv4 routing protocol object");
585 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
586 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
587
588 Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get(1)->GetObject<Ipv4L3Protocol>();
589 NS_TEST_ASSERT_MSG_NE(ip1, nullptr, "Error-- no Ipv4 object");
590 Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol();
591 NS_TEST_ASSERT_MSG_NE(routing1, nullptr, "Error-- no Ipv4 routing protocol object");
592 Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject<Ipv4GlobalRouting>();
593 NS_TEST_ASSERT_MSG_NE(globalRouting1, nullptr, "Error-- no Ipv4GlobalRouting object");
594
595 // Skip to n4
596 Ptr<Ipv4L3Protocol> ip4 = m_nodes.Get(4)->GetObject<Ipv4L3Protocol>();
597 NS_TEST_ASSERT_MSG_NE(ip4, nullptr, "Error-- no Ipv4 object");
598 Ptr<Ipv4RoutingProtocol> routing4 = ip4->GetRoutingProtocol();
599 NS_TEST_ASSERT_MSG_NE(routing4, nullptr, "Error-- no Ipv4 routing protocol object");
600 Ptr<Ipv4GlobalRouting> globalRouting4 = routing4->GetObject<Ipv4GlobalRouting>();
601 NS_TEST_ASSERT_MSG_NE(globalRouting4, nullptr, "Error-- no Ipv4GlobalRouting object");
602
603 Ipv4RoutingTableEntry* route = nullptr;
604 // n0
605 // Test that the right number of routes found
606 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
607 NS_LOG_DEBUG("BridgeTest nRoutes0 " << nRoutes0);
608 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 3, "Error-- not three entries");
609 for (uint32_t i = 0; i < globalRouting0->GetNRoutes(); i++)
610 {
611 route = globalRouting0->GetRoute(i);
612 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
613 }
614 // Spot check the last route
615 if (route)
616 {
617 NS_TEST_ASSERT_MSG_EQ(route->GetDest(),
618 Ipv4Address("10.1.3.0"),
619 "Error-- wrong destination");
620 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(),
621 Ipv4Address("10.1.1.2"),
622 "Error-- wrong gateway");
623 }
624
625 // n1
626 // Test that the right number of routes found
627 route = nullptr;
628 uint32_t nRoutes1 = globalRouting1->GetNRoutes();
629 NS_LOG_DEBUG("BridgeTest nRoutes1 " << nRoutes1);
630 NS_TEST_ASSERT_MSG_EQ(nRoutes1, 3, "Error-- not three entries");
631 for (uint32_t i = 0; i < globalRouting1->GetNRoutes(); i++)
632 {
633 route = globalRouting1->GetRoute(i);
634 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
635 }
636 // Spot check the last route
637 if (route)
638 {
639 NS_TEST_ASSERT_MSG_EQ(route->GetDest(),
640 Ipv4Address("10.1.3.0"),
641 "Error-- wrong destination");
642 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(),
643 Ipv4Address("10.1.2.2"),
644 "Error-- wrong gateway");
645 }
646
647 // skip n2 and n3, just verify n4
648 NS_LOG_DEBUG("BridgeTest skip print out of n2 and n3, go next to node n4");
649
650 // n4
651 route = nullptr;
652 // Test that the right number of routes found
653 uint32_t nRoutes4 = globalRouting4->GetNRoutes();
654 NS_LOG_DEBUG("BridgeTest nRoutes4 " << nRoutes4);
655 NS_TEST_ASSERT_MSG_EQ(nRoutes4, 3, "Error-- not three entries");
656 for (uint32_t i = 0; i < globalRouting4->GetNRoutes(); i++)
657 {
658 route = globalRouting4->GetRoute(i);
659 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
660 }
661 // Spot check the last route
662 if (route)
663 {
664 NS_TEST_ASSERT_MSG_EQ(route->GetDest(),
665 Ipv4Address("10.1.1.0"),
666 "Error-- wrong destination");
667 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(),
668 Ipv4Address("10.1.3.1"),
669 "Error-- wrong gateway");
670 }
671
672 Simulator::Destroy();
673}
674
675/**
676 * @ingroup internet-test
677 *
678 * @brief IPv4 GlobalRouting Two bridges test
679 */
680class TwoBridgeTest : public TestCase
681{
682 public:
683 void DoSetup() override;
684 void DoRun() override;
685 TwoBridgeTest();
686
687 private:
688 NodeContainer m_nodes; //!< Nodes used in the test.
689};
690
691TwoBridgeTest::TwoBridgeTest()
692 : TestCase("Global routing across two bridges")
693{
694}
695
696void
697TwoBridgeTest::DoSetup()
698{
699 m_nodes.Create(5);
700
701 // connect node0 to node1
702 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
703 SimpleNetDeviceHelper simpleHelper;
704 NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
705 net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
706
707 NetDeviceContainer bridgeFacingDevices;
708 NetDeviceContainer switchn2Devices;
709 NetDeviceContainer switchn3Devices;
710
711 // connect node1 to node2 (switch)
712 Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
713 SimpleNetDeviceHelper simpleHelper2;
714 NetDeviceContainer net2 = simpleHelper2.Install(m_nodes.Get(1), channel2);
715 net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
716 bridgeFacingDevices.Add(net2.Get(0));
717 switchn2Devices.Add(net2.Get(1));
718
719 // connect node2 (switch) to node3
720 Ptr<SimpleChannel> channel3 = CreateObject<SimpleChannel>();
721 SimpleNetDeviceHelper simpleHelper3;
722 NetDeviceContainer net3 = simpleHelper3.Install(m_nodes.Get(2), channel3);
723 net3.Add(simpleHelper3.Install(m_nodes.Get(3), channel3));
724 switchn2Devices.Add(net3.Get(0));
725 switchn3Devices.Add(net3.Get(1));
726
727 // connect node3 to node4
728 Ptr<SimpleChannel> channel4 = CreateObject<SimpleChannel>();
729 SimpleNetDeviceHelper simpleHelper4;
730 NetDeviceContainer net4 = simpleHelper4.Install(m_nodes.Get(3), channel4);
731 net4.Add(simpleHelper4.Install(m_nodes.Get(4), channel4));
732 switchn3Devices.Add(net4.Get(0));
733 bridgeFacingDevices.Add(net4.Get(1));
734
735 Ptr<Node> switchn2Node = m_nodes.Get(2);
736 BridgeHelper bridgen2Helper;
737 bridgen2Helper.Install(switchn2Node, switchn2Devices);
738
739 Ptr<Node> switchn3Node = m_nodes.Get(3);
740 BridgeHelper bridgen3Helper;
741 bridgen3Helper.Install(switchn3Node, switchn3Devices);
742
743 InternetStackHelper internet;
744 // By default, InternetStackHelper adds a static and global routing
745 // implementation. We just want the global for this test.
746 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
747 internet.SetRoutingHelper(ipv4RoutingHelper);
748
749 internet.Install(m_nodes.Get(0));
750 internet.Install(m_nodes.Get(1));
751 // m_nodes.Get (2) is bridge node
752 // m_nodes.Get (3) is bridge node
753 internet.Install(m_nodes.Get(4));
754
755 Ipv4AddressHelper address;
756 address.SetBase("10.1.1.0", "255.255.255.0");
757 address.Assign(net);
758
759 address.SetBase("10.1.2.0", "255.255.255.0");
760 address.Assign(bridgeFacingDevices);
761}
762
763void
764TwoBridgeTest::DoRun()
765{
766 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
767
768 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
769 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
770 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
771 NS_TEST_ASSERT_MSG_NE(routing0, nullptr, "Error-- no Ipv4 routing protocol object");
772 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
773 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
774
775 // Skip to n4
776 Ptr<Ipv4L3Protocol> ip4 = m_nodes.Get(4)->GetObject<Ipv4L3Protocol>();
777 NS_TEST_ASSERT_MSG_NE(ip4, nullptr, "Error-- no Ipv4 object");
778 Ptr<Ipv4RoutingProtocol> routing4 = ip4->GetRoutingProtocol();
779 NS_TEST_ASSERT_MSG_NE(routing4, nullptr, "Error-- no Ipv4 routing protocol object");
780 Ptr<Ipv4GlobalRouting> globalRouting4 = routing4->GetObject<Ipv4GlobalRouting>();
781 NS_TEST_ASSERT_MSG_NE(globalRouting4, nullptr, "Error-- no Ipv4GlobalRouting object");
782
783 Ipv4RoutingTableEntry* route = nullptr;
784 // n0
785 // Test that the right number of routes found
786 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
787 NS_LOG_DEBUG("BridgeTest nRoutes0 " << nRoutes0);
788 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 2, "Error-- not two entries");
789 for (uint32_t i = 0; i < globalRouting0->GetNRoutes(); i++)
790 {
791 route = globalRouting0->GetRoute(i);
792 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
793 }
794 // Spot check the last route
795 if (route)
796 {
797 NS_TEST_ASSERT_MSG_EQ(route->GetDest(),
798 Ipv4Address("10.1.2.0"),
799 "Error-- wrong destination");
800 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(),
801 Ipv4Address("10.1.1.2"),
802 "Error-- wrong gateway");
803 }
804 // skip n2 and n3, just verify n4
805 NS_LOG_DEBUG("BridgeTest skip print out of n1-n3, go next to node n4");
806
807 // n4
808 // Test that the right number of routes found
809 route = nullptr;
810 uint32_t nRoutes4 = globalRouting4->GetNRoutes();
811 NS_LOG_DEBUG("BridgeTest nRoutes4 " << nRoutes4);
812 NS_TEST_ASSERT_MSG_EQ(nRoutes4, 2, "Error-- not two entries");
813 for (uint32_t i = 0; i < globalRouting4->GetNRoutes(); i++)
814 {
815 route = globalRouting4->GetRoute(i);
816 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
817 }
818 // Spot check the last route
819 if (route)
820 {
821 NS_TEST_ASSERT_MSG_EQ(route->GetDest(),
822 Ipv4Address("10.1.1.0"),
823 "Error-- wrong destination");
824 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(),
825 Ipv4Address("10.1.2.1"),
826 "Error-- wrong gateway");
827 }
828
829 Simulator::Destroy();
830}
831
832/**
833 * @ingroup internet-test
834 *
835 * @brief IPv4 Dynamic GlobalRouting test
836 */
837class Ipv4DynamicGlobalRoutingTestCase : public TestCase
838{
839 public:
840 Ipv4DynamicGlobalRoutingTestCase();
841 ~Ipv4DynamicGlobalRoutingTestCase() override;
842
843 private:
844 /**
845 * @brief Send some data
846 * @param index Index of the socket to use.
847 */
848 void SendData(uint8_t index);
849
850 /**
851 * @brief Shutdown a socket
852 * @param index Index of the socket to close.
853 */
854 void ShutDownSock(uint8_t index);
855
856 /**
857 * Handle an incoming packet
858 * @param socket The input socket.
859 */
860 void HandleRead(Ptr<Socket> socket);
861 void DoRun() override;
862
863 uint16_t m_count; //!< Number of packets received.
864 std::vector<std::pair<Ptr<Socket>, bool>> m_sendSocks; //!< Sending sockets.
865 DataRate m_dataRate; //!< Data rate.
866 uint16_t m_packetSize; //!< Packet size.
867 std::vector<uint8_t>
868 m_firstInterface; //!< Packets received on the 1st interface at a given time.
869 std::vector<uint8_t>
870 m_secondInterface; //!< Packets received on the 2nd interface at a given time.
871};
872
873// Add some help text to this case to describe what it is intended to test
874Ipv4DynamicGlobalRoutingTestCase::Ipv4DynamicGlobalRoutingTestCase()
875 : TestCase("Dynamic global routing example"),
876 m_count(0)
877{
878 m_firstInterface.resize(16, 0);
879 m_secondInterface.resize(16, 0);
880 m_dataRate = DataRate("2kbps");
881 m_packetSize = 50;
882}
883
884Ipv4DynamicGlobalRoutingTestCase::~Ipv4DynamicGlobalRoutingTestCase()
885{
886 for (auto iter = m_sendSocks.begin(); iter != m_sendSocks.end(); iter++)
887 {
888 if (iter->second)
889 {
890 iter->second = false;
891 iter->first->Close();
892 iter->first = nullptr;
893 }
894 }
895}
896
897void
898Ipv4DynamicGlobalRoutingTestCase::HandleRead(Ptr<Socket> socket)
899{
900 Ptr<Packet> packet;
901 Address from;
902 while ((packet = socket->RecvFrom(from)))
903 {
904 if (packet->GetSize() == 0)
905 { // EOF
906 break;
907 }
908 Ipv4PacketInfoTag tag;
909 bool found;
910 found = packet->PeekPacketTag(tag);
911 uint8_t now = static_cast<uint8_t>(Simulator::Now().GetSeconds());
912 if (found)
913 {
914 if (tag.GetRecvIf() == 1)
915 {
916 m_firstInterface[now]++;
917 }
918 if (tag.GetRecvIf() == 2)
919 {
920 m_secondInterface[now]++;
921 }
922 m_count++;
923 }
924 }
925}
926
927void
928Ipv4DynamicGlobalRoutingTestCase::SendData(uint8_t index)
929{
930 if (!m_sendSocks[index].second)
931 {
932 return;
933 }
934 Ptr<Packet> packet = Create<Packet>(m_packetSize);
935 m_sendSocks[index].first->Send(packet);
936
937 Time tNext(MicroSeconds(m_packetSize * 8 * 1e6 / m_dataRate.GetBitRate()));
938 Simulator::Schedule(tNext, &Ipv4DynamicGlobalRoutingTestCase::SendData, this, index);
939}
940
941void
942Ipv4DynamicGlobalRoutingTestCase::ShutDownSock(uint8_t index)
943{
944 m_sendSocks[index].second = false;
945 m_sendSocks[index].first->Close();
946 m_sendSocks[index].first = nullptr;
947}
948
949// Test derived from examples/routing/dynamic-global-routing.cc
950//
951// Network topology
952//
953// n0
954// \ p-p
955// \ (shared csma/cd)
956// n2 -------------------------n3
957// / | |
958// / p-p n4 n5 ---------- n6
959// n1 p-p
960// | |
961// ----------------------------------------
962// p-p
963//
964// Test that for node n6, the interface facing n5 receives packets at
965// times (1-2), (4-6), (8-10), (11-12), (14-16) and the interface
966// facing n1 receives packets at times (2-4), (6-8), (12-13)
967//
968void
969Ipv4DynamicGlobalRoutingTestCase::DoRun()
970{
971 // The below value configures the default behavior of global routing.
972 // By default, it is disabled. To respond to interface events, set to true
973 Config::SetDefault("ns3::Ipv4GlobalRouting::RespondToInterfaceEvents", BooleanValue(true));
974
975 NodeContainer c;
976 c.Create(7);
977 NodeContainer n0n2 = NodeContainer(c.Get(0), c.Get(2));
978 NodeContainer n1n2 = NodeContainer(c.Get(1), c.Get(2));
979 NodeContainer n5n6 = NodeContainer(c.Get(5), c.Get(6));
980 NodeContainer n1n6 = NodeContainer(c.Get(1), c.Get(6));
981 NodeContainer n2345 = NodeContainer(c.Get(2), c.Get(3), c.Get(4), c.Get(5));
982
983 InternetStackHelper internet;
984 internet.Install(c);
985
986 // We create the channels first without any IP addressing information
987 SimpleNetDeviceHelper devHelper;
988
989 devHelper.SetNetDevicePointToPointMode(true);
990 NetDeviceContainer d0d2 = devHelper.Install(n0n2);
991 NetDeviceContainer d1d6 = devHelper.Install(n1n6);
992 NetDeviceContainer d1d2 = devHelper.Install(n1n2);
993 NetDeviceContainer d5d6 = devHelper.Install(n5n6);
994
995 devHelper.SetNetDevicePointToPointMode(false);
996 NetDeviceContainer d2345 = devHelper.Install(n2345);
997
998 // Later, we add IP addresses.
999 Ipv4AddressHelper ipv4;
1000 ipv4.SetBase("10.1.1.0", "255.255.255.0");
1001 ipv4.Assign(d0d2);
1002
1003 ipv4.SetBase("10.1.2.0", "255.255.255.0");
1004 ipv4.Assign(d1d2);
1005
1006 ipv4.SetBase("10.1.3.0", "255.255.255.0");
1007 Ipv4InterfaceContainer i5i6 = ipv4.Assign(d5d6);
1008
1009 ipv4.SetBase("10.250.1.0", "255.255.255.0");
1010 ipv4.Assign(d2345);
1011
1012 ipv4.SetBase("172.16.1.0", "255.255.255.0");
1013 Ipv4InterfaceContainer i1i6 = ipv4.Assign(d1d6);
1014
1015 // Create router nodes, initialize routing database and set up the routing
1016 // tables in the nodes.
1017 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
1018
1019 // Create the applications to send UDP datagrams of size
1020 // 50 bytes at a rate of 2 Kb/s
1021 TypeId tid = TypeId::LookupByName("ns3::UdpSocketFactory");
1022 uint16_t port = 9; // Discard port (RFC 863)
1023
1024 std::pair<Ptr<Socket>, bool> sendSockA;
1025 sendSockA.first = Socket::CreateSocket(c.Get(1), tid);
1026 sendSockA.first->Bind();
1027 sendSockA.first->Connect(InetSocketAddress(i5i6.GetAddress(1), port));
1028 sendSockA.second = true;
1029 m_sendSocks.push_back(sendSockA);
1030 Simulator::Schedule(Seconds(1), &Ipv4DynamicGlobalRoutingTestCase::SendData, this, 0);
1031 Simulator::Schedule(Seconds(10), &Ipv4DynamicGlobalRoutingTestCase::ShutDownSock, this, 0);
1032
1033 std::pair<Ptr<Socket>, bool> sendSockB;
1034 sendSockB.first = Socket::CreateSocket(c.Get(1), tid);
1035 sendSockB.first->Bind();
1036 sendSockB.first->Connect(InetSocketAddress(i1i6.GetAddress(1), port));
1037 sendSockB.second = true;
1038 m_sendSocks.push_back(sendSockB);
1039 Simulator::Schedule(Seconds(11), &Ipv4DynamicGlobalRoutingTestCase::SendData, this, 1);
1040 Simulator::Schedule(Seconds(16), &Ipv4DynamicGlobalRoutingTestCase::ShutDownSock, this, 1);
1041
1042 // Create an optional packet sink to receive these packets
1043 Ptr<Socket> sink2 = Socket::CreateSocket(c.Get(6), tid);
1044 sink2->Bind(Address(InetSocketAddress(Ipv4Address::GetAny(), port)));
1045 sink2->Listen();
1046 sink2->ShutdownSend();
1047
1048 sink2->SetRecvPktInfo(true);
1049 sink2->SetRecvCallback(MakeCallback(&Ipv4DynamicGlobalRoutingTestCase::HandleRead, this));
1050
1051 Ptr<Node> n1 = c.Get(1);
1052 Ptr<Ipv4> ipv41 = n1->GetObject<Ipv4>();
1053 // The first ifIndex is 0 for loopback, then the first p2p is numbered 1,
1054 // then the next p2p is numbered 2
1055 uint32_t ipv4ifIndex1 = 2;
1056
1057 Simulator::Schedule(Seconds(2), &Ipv4::SetDown, ipv41, ipv4ifIndex1);
1058 Simulator::Schedule(Seconds(4), &Ipv4::SetUp, ipv41, ipv4ifIndex1);
1059
1060 Ptr<Node> n6 = c.Get(6);
1061 Ptr<Ipv4> ipv46 = n6->GetObject<Ipv4>();
1062 // The first ifIndex is 0 for loopback, then the first p2p is numbered 1,
1063 // then the next p2p is numbered 2
1064 uint32_t ipv4ifIndex6 = 2;
1065 Simulator::Schedule(Seconds(6), &Ipv4::SetDown, ipv46, ipv4ifIndex6);
1066 Simulator::Schedule(Seconds(8), &Ipv4::SetUp, ipv46, ipv4ifIndex6);
1067
1068 Simulator::Schedule(Seconds(12), &Ipv4::SetDown, ipv41, ipv4ifIndex1);
1069 Simulator::Schedule(Seconds(14), &Ipv4::SetUp, ipv41, ipv4ifIndex1);
1070
1071 Simulator::Run();
1072
1073 NS_TEST_ASSERT_MSG_EQ(m_count, 70, "Dynamic global routing did not deliver all packets");
1074 // Test that for node n6, the interface facing n1 receives packets at
1075 // times (1-2), (4-6), (8-10), (11-12), (14-16) and the interface
1076 // facing n5 receives packets at times (2-4), (6-8), (12-13)
1077
1078 // Note: there are two sending sockets, both on n1.
1079 // The first socket sends packets at time (1-10), the second at time (11, 16).
1080 // The first socket sends packets to n6, targeting the address facing n5.
1081 // The second socket sends packets to n6, targeting the address facing n1.
1082 // This actually doesn't matter, as n6 will accept packets sent to the "wrong" address.
1083 //
1084 // The shortest path netween n1 and n6 is the direct one, but the topology changes during the
1085 // simulation:
1086 // - (2-4): removal from n1 of the interface toward n6
1087 // - (6-8): removal from n6 of the interface toward n1
1088 // - (12-14): removal from n1 of the interface toward n6
1089 // When the link is broken, packets are rerouted though the longest (and only) path, reaching
1090 // n6 though n5.
1091
1092 std::vector<uint8_t> firstInterfaceTest{0, 5, 0, 0, 5, 5, 0, 0, 5, 5, 0, 5, 0, 0, 5, 5};
1093 std::vector<uint8_t> secondInterfaceTest{0, 0, 5, 5, 0, 0, 5, 5, 0, 0, 0, 0, 5, 5, 0, 0};
1094
1095 for (uint32_t index = 0; index < firstInterfaceTest.size(); index++)
1096 {
1097 NS_TEST_ASSERT_MSG_EQ(firstInterfaceTest[index],
1098 m_firstInterface[index],
1099 "Dynamic global routing did deliver the wrong number of packets "
1100 "to the first interface at time "
1101 << index);
1102 }
1103
1104 for (uint32_t index = 0; index < secondInterfaceTest.size(); index++)
1105 {
1106 NS_TEST_ASSERT_MSG_EQ(secondInterfaceTest[index],
1107 m_secondInterface[index],
1108 "Dynamic global routing did deliver the wrong number of packets "
1109 "to the second interface at time "
1110 << index);
1111 }
1112
1113 Simulator::Destroy();
1114}
1115
1116/**
1117 * @ingroup internet-test
1118 *
1119 * @brief IPv4 Dynamic GlobalRouting /32 test
1120 */
1121class Ipv4GlobalRoutingSlash32TestCase : public TestCase
1122{
1123 public:
1124 Ipv4GlobalRoutingSlash32TestCase();
1125 ~Ipv4GlobalRoutingSlash32TestCase() override;
1126
1127 Ptr<Packet> m_receivedPacket; //!< number of received packets
1128
1129 /**
1130 * @brief Receive a packet.
1131 * @param socket The receiving socket.
1132 */
1133 void ReceivePkt(Ptr<Socket> socket);
1134 /**
1135 * @brief Send a packet.
1136 * @param socket The sending socket.
1137 * @param to The address of the receiver.
1138 */
1139 void DoSendData(Ptr<Socket> socket, std::string to);
1140 /**
1141 * @brief Send a packet.
1142 * @param socket The sending socket.
1143 * @param to The address of the receiver.
1144 */
1145 void SendData(Ptr<Socket> socket, std::string to);
1146
1147 private:
1148 void DoRun() override;
1149};
1150
1151// Add some help text to this case to describe what it is intended to test
1152Ipv4GlobalRoutingSlash32TestCase::Ipv4GlobalRoutingSlash32TestCase()
1153 : TestCase("Slash 32 global routing example")
1154{
1155}
1156
1160
1161void
1162Ipv4GlobalRoutingSlash32TestCase::ReceivePkt(Ptr<Socket> socket)
1163{
1164 uint32_t availableData [[maybe_unused]] = socket->GetRxAvailable();
1165 m_receivedPacket = socket->Recv(std::numeric_limits<uint32_t>::max(), 0);
1166 NS_TEST_ASSERT_MSG_EQ(availableData,
1167 m_receivedPacket->GetSize(),
1168 "Received packet size is not equal to Rx buffer size");
1169}
1170
1171void
1172Ipv4GlobalRoutingSlash32TestCase::DoSendData(Ptr<Socket> socket, std::string to)
1173{
1174 Address realTo = InetSocketAddress(Ipv4Address(to.c_str()), 1234);
1175 NS_TEST_EXPECT_MSG_EQ(socket->SendTo(Create<Packet>(123), 0, realTo), 123, "100");
1176}
1177
1178void
1179Ipv4GlobalRoutingSlash32TestCase::SendData(Ptr<Socket> socket, std::string to)
1180{
1181 m_receivedPacket = Create<Packet>();
1182 Simulator::ScheduleWithContext(socket->GetNode()->GetId(),
1183 Seconds(60),
1184 &Ipv4GlobalRoutingSlash32TestCase::DoSendData,
1185 this,
1186 socket,
1187 to);
1188 Simulator::Stop(Seconds(66));
1189 Simulator::Run();
1190}
1191
1192// Test program for this 3-router scenario, using global routing
1193//
1194// (a.a.a.a/32)A<--x.x.x.0/30-->B<--y.y.y.0/30-->C(c.c.c.c/32)
1195//
1196void
1197Ipv4GlobalRoutingSlash32TestCase::DoRun()
1198{
1199 Ptr<Node> nA = CreateObject<Node>();
1200 Ptr<Node> nB = CreateObject<Node>();
1201 Ptr<Node> nC = CreateObject<Node>();
1202
1203 NodeContainer c = NodeContainer(nA, nB, nC);
1204
1205 InternetStackHelper internet;
1206 internet.Install(c);
1207
1208 // simple links
1209 NodeContainer nAnB = NodeContainer(nA, nB);
1210 NodeContainer nBnC = NodeContainer(nB, nC);
1211
1212 SimpleNetDeviceHelper devHelper;
1213
1214 Ptr<SimpleNetDevice> deviceA = CreateObject<SimpleNetDevice>();
1215 deviceA->SetAddress(Mac48Address::Allocate());
1216 nA->AddDevice(deviceA);
1217
1218 NetDeviceContainer dAdB = devHelper.Install(nAnB);
1219 NetDeviceContainer dBdC = devHelper.Install(nBnC);
1220
1221 Ptr<SimpleNetDevice> deviceC = CreateObject<SimpleNetDevice>();
1222 deviceC->SetAddress(Mac48Address::Allocate());
1223 nC->AddDevice(deviceC);
1224
1225 // Later, we add IP addresses.
1226 Ipv4AddressHelper ipv4;
1227 ipv4.SetBase("10.1.1.0", "255.255.255.252");
1228 Ipv4InterfaceContainer iAiB = ipv4.Assign(dAdB);
1229
1230 ipv4.SetBase("10.1.1.4", "255.255.255.252");
1231 Ipv4InterfaceContainer iBiC = ipv4.Assign(dBdC);
1232
1233 Ptr<Ipv4> ipv4A = nA->GetObject<Ipv4>();
1234 Ptr<Ipv4> ipv4B = nB->GetObject<Ipv4>();
1235 Ptr<Ipv4> ipv4C = nC->GetObject<Ipv4>();
1236
1237 int32_t ifIndexA = ipv4A->AddInterface(deviceA);
1238 int32_t ifIndexC = ipv4C->AddInterface(deviceC);
1239
1240 Ipv4InterfaceAddress ifInAddrA =
1241 Ipv4InterfaceAddress(Ipv4Address("172.16.1.1"), Ipv4Mask("/32"));
1242 ipv4A->AddAddress(ifIndexA, ifInAddrA);
1243 ipv4A->SetMetric(ifIndexA, 1);
1244 ipv4A->SetUp(ifIndexA);
1245
1246 Ipv4InterfaceAddress ifInAddrC =
1247 Ipv4InterfaceAddress(Ipv4Address("192.168.1.1"), Ipv4Mask("/32"));
1248 ipv4C->AddAddress(ifIndexC, ifInAddrC);
1249 ipv4C->SetMetric(ifIndexC, 1);
1250 ipv4C->SetUp(ifIndexC);
1251
1252 // Create router nodes, initialize routing database and set up the routing
1253 // tables in the nodes.
1254 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
1255
1256 // Create the UDP sockets
1257 Ptr<SocketFactory> rxSocketFactory = nC->GetObject<UdpSocketFactory>();
1258 Ptr<Socket> rxSocket = rxSocketFactory->CreateSocket();
1259 NS_TEST_EXPECT_MSG_EQ(rxSocket->Bind(InetSocketAddress(Ipv4Address("192.168.1.1"), 1234)),
1260 0,
1261 "trivial");
1262 rxSocket->SetRecvCallback(MakeCallback(&Ipv4GlobalRoutingSlash32TestCase::ReceivePkt, this));
1263
1264 Ptr<SocketFactory> txSocketFactory = nA->GetObject<UdpSocketFactory>();
1265 Ptr<Socket> txSocket = txSocketFactory->CreateSocket();
1266 txSocket->SetAllowBroadcast(true);
1267
1268 // ------ Now the tests ------------
1269
1270 // Unicast test
1271 SendData(txSocket, "192.168.1.1");
1272 NS_TEST_EXPECT_MSG_EQ(m_receivedPacket->GetSize(),
1273 123,
1274 "Static routing with /32 did not deliver all packets.");
1275
1276 Simulator::Destroy();
1277}
1278
1279/**
1280 * @ingroup internet-test
1281 *
1282 * @brief IPv4 GlobalRouting TestSuite
1283 */
1284class Ipv4GlobalRoutingTestSuite : public TestSuite
1285{
1286 public:
1287 Ipv4GlobalRoutingTestSuite();
1288};
1289
1290Ipv4GlobalRoutingTestSuite::Ipv4GlobalRoutingTestSuite()
1291 : TestSuite("ipv4-global-routing", Type::UNIT)
1292{
1293 AddTestCase(new LinkTest, TestCase::Duration::QUICK);
1294 AddTestCase(new LanTest, TestCase::Duration::QUICK);
1295 AddTestCase(new TwoLinkTest, TestCase::Duration::QUICK);
1296 AddTestCase(new TwoLanTest, TestCase::Duration::QUICK);
1297 AddTestCase(new BridgeTest, TestCase::Duration::QUICK);
1298 AddTestCase(new TwoBridgeTest, TestCase::Duration::QUICK);
1299 AddTestCase(new Ipv4DynamicGlobalRoutingTestCase, TestCase::Duration::QUICK);
1300 AddTestCase(new Ipv4GlobalRoutingSlash32TestCase, TestCase::Duration::QUICK);
1301}
1302
1303static Ipv4GlobalRoutingTestSuite
1304 g_globalRoutingTestSuite; //!< Static variable for test initialization
n1n2
NodeContainer n1n2
Nodecontainer n1 + n2.
Definition adaptive-red-tests.cc:79
n0n2
NodeContainer n0n2
Nodecontainer n0 + n2.
Definition adaptive-red-tests.cc:78
BridgeTest
IPv4 GlobalRouting Bridge test.
Definition ipv4-global-routing-test-suite.cc:498
BridgeTest::DoSetup
void DoSetup() override
Implementation to do any local setup required for this TestCase.
Definition ipv4-global-routing-test-suite.cc:514
BridgeTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition ipv4-global-routing-test-suite.cc:577
BridgeTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition ipv4-global-routing-test-suite.cc:505
Ipv4DynamicGlobalRoutingTestCase::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition ipv4-global-routing-test-suite.cc:969
Ipv4DynamicGlobalRoutingTestCase::m_secondInterface
std::vector< uint8_t > m_secondInterface
Packets received on the 2nd interface at a given time.
Definition ipv4-global-routing-test-suite.cc:870
Ipv4DynamicGlobalRoutingTestCase::HandleRead
void HandleRead(Ptr< Socket > socket)
Handle an incoming packet.
Definition ipv4-global-routing-test-suite.cc:898
Ipv4DynamicGlobalRoutingTestCase::m_count
uint16_t m_count
Number of packets received.
Definition ipv4-global-routing-test-suite.cc:863
Ipv4DynamicGlobalRoutingTestCase::m_sendSocks
std::vector< std::pair< Ptr< Socket >, bool > > m_sendSocks
Sending sockets.
Definition ipv4-global-routing-test-suite.cc:864
Ipv4DynamicGlobalRoutingTestCase::m_firstInterface
std::vector< uint8_t > m_firstInterface
Packets received on the 1st interface at a given time.
Definition ipv4-global-routing-test-suite.cc:868
Ipv4DynamicGlobalRoutingTestCase::ShutDownSock
void ShutDownSock(uint8_t index)
Shutdown a socket.
Definition ipv4-global-routing-test-suite.cc:942
Ipv4DynamicGlobalRoutingTestCase::SendData
void SendData(uint8_t index)
Send some data.
Definition ipv4-global-routing-test-suite.cc:928
Ipv4GlobalRoutingSlash32TestCase
IPv4 Dynamic GlobalRouting /32 test.
Definition ipv4-global-routing-test-suite.cc:1122
Ipv4GlobalRoutingSlash32TestCase::ReceivePkt
void ReceivePkt(Ptr< Socket > socket)
Receive a packet.
Definition ipv4-global-routing-test-suite.cc:1162
Ipv4GlobalRoutingSlash32TestCase::SendData
void SendData(Ptr< Socket > socket, std::string to)
Send a packet.
Definition ipv4-global-routing-test-suite.cc:1179
Ipv4GlobalRoutingSlash32TestCase::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition ipv4-global-routing-test-suite.cc:1197
Ipv4GlobalRoutingSlash32TestCase::DoSendData
void DoSendData(Ptr< Socket > socket, std::string to)
Send a packet.
Definition ipv4-global-routing-test-suite.cc:1172
Ipv4GlobalRoutingSlash32TestCase::m_receivedPacket
Ptr< Packet > m_receivedPacket
number of received packets
Definition ipv4-global-routing-test-suite.cc:1127
LanTest
IPv4 GlobalRouting LAN test.
Definition ipv4-global-routing-test-suite.cc:198
LanTest::DoSetup
void DoSetup() override
Implementation to do any local setup required for this TestCase.
Definition ipv4-global-routing-test-suite.cc:214
LanTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition ipv4-global-routing-test-suite.cc:235
LanTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition ipv4-global-routing-test-suite.cc:205
TwoBridgeTest
IPv4 GlobalRouting Two bridges test.
Definition ipv4-global-routing-test-suite.cc:681
TwoBridgeTest::DoSetup
void DoSetup() override
Implementation to do any local setup required for this TestCase.
Definition ipv4-global-routing-test-suite.cc:697
TwoBridgeTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition ipv4-global-routing-test-suite.cc:764
TwoBridgeTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition ipv4-global-routing-test-suite.cc:688
TwoLanTest
IPv4 GlobalRouting Two LAN test.
Definition ipv4-global-routing-test-suite.cc:398
TwoLanTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition ipv4-global-routing-test-suite.cc:405
TwoLanTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition ipv4-global-routing-test-suite.cc:443
TwoLanTest::DoSetup
void DoSetup() override
Implementation to do any local setup required for this TestCase.
Definition ipv4-global-routing-test-suite.cc:414
int32_t
ns3::Address
a polymophic address class
Definition address.h:90
ns3::BooleanValue
AttributeValue implementation for Boolean.
Definition boolean.h:26
ns3::BridgeHelper
Add capability to bridge multiple LAN segments (IEEE 802.1D bridging)
Definition bridge-helper.h:34
ns3::BridgeHelper::Install
NetDeviceContainer Install(Ptr< Node > node, NetDeviceContainer c)
This method creates an ns3::BridgeNetDevice with the attributes configured by BridgeHelper::SetDevice...
Definition bridge-helper.cc:39
ns3::DataRate
Class for representing data rates.
Definition data-rate.h:78
ns3::DataRate::GetBitRate
uint64_t GetBitRate() const
Get the underlying bitrate.
Definition data-rate.cc:234
ns3::InetSocketAddress
an Inet address class
Definition inet-socket-address.h:31
ns3::InternetStackHelper
aggregate IP/TCP/UDP functionality to existing Nodes.
Definition internet-stack-helper.h:81
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::Ipv4Address::GetAny
static Ipv4Address GetAny()
Definition ipv4-address.cc:376
ns3::Ipv4GlobalRoutingHelper
Helper class that adds ns3::Ipv4GlobalRouting objects.
Definition ipv4-global-routing-helper.h:24
ns3::Ipv4GlobalRoutingHelper::PopulateRoutingTables
static void PopulateRoutingTables()
Build a routing database and initialize the routing tables of the nodes in the simulation.
Definition ipv4-global-routing-helper.cc:50
ns3::Ipv4GlobalRouting
Global routing protocol for IPv4 stacks.
Definition ipv4-global-routing.h:61
ns3::Ipv4
Access to the IPv4 forwarding table, interfaces, and configuration.
Definition ipv4.h:69
ns3::Ipv4::SetUp
virtual void SetUp(uint32_t interface)=0
ns3::Ipv4::SetDown
virtual void SetDown(uint32_t interface)=0
ns3::Ipv4InterfaceAddress
a class to store IPv4 address information on an interface
Definition ipv4-interface-address.h:34
ns3::Ipv4InterfaceContainer
holds a vector of std::pair of Ptr<Ipv4> and interface index.
Definition ipv4-interface-container.h:45
ns3::Ipv4InterfaceContainer::GetAddress
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const
Definition ipv4-interface-container.cc:49
ns3::Ipv4L3Protocol
Implement the IPv4 layer.
Definition ipv4-l3-protocol.h:73
ns3::Ipv4Mask
a class to represent an Ipv4 address mask
Definition ipv4-address.h:254
ns3::Ipv4PacketInfoTag
This class implements Linux struct pktinfo in order to deliver ancillary information to the socket in...
Definition ipv4-packet-info-tag.h:38
ns3::Ipv4PacketInfoTag::GetRecvIf
uint32_t GetRecvIf() const
Get the tag's receiving interface.
Definition ipv4-packet-info-tag.cc:51
ns3::Ipv4RoutingTableEntry
A record of an IPv4 routing table entry for Ipv4GlobalRouting and Ipv4StaticRouting.
Definition ipv4-routing-table-entry.h:27
ns3::Ipv4RoutingTableEntry::GetDest
Ipv4Address GetDest() const
Definition ipv4-routing-table-entry.cc:95
ns3::Ipv4RoutingTableEntry::GetGateway
Ipv4Address GetGateway() const
Definition ipv4-routing-table-entry.cc:137
ns3::Mac48Address::Allocate
static Mac48Address Allocate()
Allocate a new Mac48Address.
Definition mac48-address.cc:94
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::NetDeviceContainer::Get
Ptr< NetDevice > Get(uint32_t i) const
Get the Ptr<NetDevice> stored in this container at a given index.
Definition net-device-container.cc:56
ns3::NodeContainer
keep track of a set of node pointers.
Definition node-container.h:29
ns3::NodeContainer::Create
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
Definition node-container.cc:73
ns3::NodeContainer::Get
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
Definition node-container.cc:67
ns3::Object::GetObject
Ptr< T > GetObject() const
Get a pointer to the requested aggregated Object.
Definition object.h:511
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::Ptr
Smart pointer class similar to boost::intrusive_ptr.
Definition mpi-test-fixtures.h:37
ns3::SimpleNetDeviceHelper
build a set of SimpleNetDevice objects
Definition simple-net-device-helper.h:28
ns3::SimpleNetDeviceHelper::SetNetDevicePointToPointMode
void SetNetDevicePointToPointMode(bool pointToPointMode)
SimpleNetDevice is Broadcast capable and ARP needing.
Definition simple-net-device-helper.cc:54
ns3::SimpleNetDeviceHelper::Install
NetDeviceContainer Install(Ptr< Node > node) const
This method creates an ns3::SimpleChannel with the attributes configured by SimpleNetDeviceHelper::Se...
Definition simple-net-device-helper.cc:66
ns3::Simulator::Schedule
static EventId Schedule(const Time &delay, FUNC f, Ts &&... args)
Schedule an event to expire after delay.
Definition simulator.h:561
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::Now
static Time Now()
Return the current simulation virtual time.
Definition simulator.cc:197
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::Socket::CreateSocket
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
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::Time
Simulation virtual time values and global simulation resolution.
Definition nstime.h:94
ns3::Time::GetSeconds
double GetSeconds() const
Get an approximation of the time stored in this instance in the indicated unit.
Definition nstime.h:392
ns3::TypeId
a unique identifier for an interface.
Definition type-id.h:49
ns3::TypeId::LookupByName
static TypeId LookupByName(std::string name)
Get a TypeId by name.
Definition type-id.cc:872
ns3::UdpSocketFactory
API to create UDP socket instances.
Definition udp-socket-factory.h:31
uint32_t
port
uint16_t port
Definition dsdv-manet.cc:33
ns3::Config::SetDefault
void SetDefault(std::string name, const AttributeValue &value)
Definition config.cc:886
NS_LOG_COMPONENT_DEFINE
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition log.h:191
NS_LOG_DEBUG
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
Definition log.h:257
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
NS_TEST_ASSERT_MSG_NE
#define NS_TEST_ASSERT_MSG_NE(actual, limit, msg)
Test that an actual and expected (limit) value are not equal and report and abort if not.
Definition test.h:554
ns3::MicroSeconds
Time MicroSeconds(uint64_t value)
Construct a Time in the indicated unit.
Definition nstime.h:1369
ns3::Seconds
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition nstime.h:1345
g_globalRoutingTestSuite
static Ipv4GlobalRoutingTestSuite g_globalRoutingTestSuite
Static variable for test initialization.
Definition ipv4-global-routing-test-suite.cc:1304
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