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ipv4-global-routing-test-suite.cc
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1/*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License version 2 as
4 * published by the Free Software Foundation;
5 *
6 * This program is distributed in the hope that it will be useful,
7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9 * GNU General Public License for more details.
10 *
11 * You should have received a copy of the GNU General Public License
12 * along with this program; if not, write to the Free Software
13 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
14 */
15
16#include "ns3/boolean.h"
17#include "ns3/bridge-helper.h"
18#include "ns3/config.h"
19#include "ns3/inet-socket-address.h"
20#include "ns3/internet-stack-helper.h"
21#include "ns3/ipv4-address-helper.h"
22#include "ns3/ipv4-global-routing-helper.h"
23#include "ns3/ipv4-global-routing.h"
24#include "ns3/ipv4-l3-protocol.h"
25#include "ns3/ipv4-packet-info-tag.h"
26#include "ns3/ipv4-routing-protocol.h"
27#include "ns3/ipv4-routing-table-entry.h"
28#include "ns3/ipv4-static-routing-helper.h"
29#include "ns3/log.h"
30#include "ns3/node-container.h"
31#include "ns3/node.h"
32#include "ns3/packet.h"
33#include "ns3/pointer.h"
34#include "ns3/simple-channel.h"
35#include "ns3/simple-net-device-helper.h"
36#include "ns3/simple-net-device.h"
37#include "ns3/simulator.h"
38#include "ns3/socket-factory.h"
39#include "ns3/string.h"
40#include "ns3/test.h"
41#include "ns3/udp-socket-factory.h"
42#include "ns3/uinteger.h"
43
44#include <vector>
45
46using namespace ns3;
47
48NS_LOG_COMPONENT_DEFINE("Ipv4GlobalRoutingTestSuite");
49
50// This test suite tests the operation of global routing on a few sample
51// networks to ensure that routes are built correctly
52//
53// Link test:
54// n0 <--------> n1 (point-to-point link)
55// 10.1.1.1 10.1.1.2
56// Expected routes:
57// n0: route to 0.0.0.0 gw 10.1.1.2
58// n1: route to 0.0.0.0 gw 10.1.1.1
59// Note: These default routes to 0.0.0.0 are generated by the extension
60// in the global route manager to install default routes via the
61// peer node on a point-to-point link, when the node is on a
62// stub link
63//
64// LAN test:
65// n0 <--------> n1 (broadcast link on subnet 10.1.1.0/24)
66// Expected routes:
67// n0: route to 10.1.1.0 gw 0.0.0.0
68// n1: route to 10.1.1.0 gw 0.0.0.0
69// Two link test:
70// n0 <--------> n1 <--------> n2 (point-to-point links)
71// 10.1.1.1 10.1.1.2/ 10.1.2.2
72// 10.1.2.1
73// Expected routes:
74// n0: route to 0.0.0.0 gw 10.1.1.2
75// n1: route to 10.1.1.1 gw 10.1.1.1
76// route to 10.1.2.2 gw 10.1.2.2
77// route to 10.1.1.0 gw 10.1.1.1
78// route to 10.1.2.0 gw 10.1.2.2
79// n2: route to 0.0.0.0 gw 10.1.2.1
80// Note: These default routes to 0.0.0.0 are generated by the extension
81// in the global route manager to install default routes via the
82// peer node on a point-to-point link, when the node is on a
83// stub link
84// Two LANs test:
85// n0 <--------> n1 <--------> n2 (broadcast links)
86// Expected routes:
87// n0: route to 10.1.1.0 gw 0.0.0.0
88// route to 0.0.0.0 gw 10.1.1.2
89// n1: route to 10.1.1.1 gw 10.1.1.1
90// route to 10.1.2.2 gw 10.1.2.2
91// route to 10.1.1.0 gw 10.1.1.1
92// route to 10.1.2.0 gw 10.1.2.2
93// n2: route to 0.0.0.0 gw 10.1.2.1
94// Bridge test:
95// n0 <--------> n1 <---> Bridge-n2 <---> n3 <-------> n4 (broadcast links)
96// 10.1.1.0/24 10.1.2.0/24 10.1.3.0/24
97// Expected routes:
98// n0: route to 10.1.1.0 gw 0.0.0.0
99// route to 10.1.2.0 gw 10.1.1.2
100// route to 10.1.3.0 gw 10.1.1.2
101// n1: route to 10.1.1.0 gw 0.0.0.0
102// route to 10.1.2.0 gw 0.0.0.0
103// route to 10.1.3.0 gw 10.1.2.2
104// n3: route to 10.1.1.0 gw 10.1.2.1
105// route to 10.1.2.0 gw 0.0.0.0
106// route to 10.1.3.0 gw 0.0.0.0
107// n4: route to 10.1.3.0 gw 0.0.0.0
108// route to 10.1.2.0 gw 10.1.3.1
109// route to 10.1.1.0 gw 10.1.3.1
110// Two Bridge test:
111// n0 <------> n1 <---> Bridge-n2 <---> Bridge-n3 <---> n4 (broadcast links)
112// 10.1.1.0/24 10.1.2.0/24
113// Expected routes:
114// n0: route to 10.1.1.0 gw 0.0.0.0
115// route to 10.1.2.0 gw 10.1.1.2
116// n4: route to 10.1.2.0 gw 0.0.0.0
117// route to 10.1.1.0 gw 10.1.2.1
118
124class LinkTest : public TestCase
125{
126 public:
127 void DoSetup() override;
128 void DoRun() override;
129 LinkTest();
130
131 private:
132 NodeContainer m_nodes;
133};
134
135LinkTest::LinkTest()
136 : TestCase("Global routing on point-to-point link")
137{
138}
139
140void
141LinkTest::DoSetup()
142{
143 m_nodes.Create(2);
144
145 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
146 SimpleNetDeviceHelper simpleHelper;
147 simpleHelper.SetNetDevicePointToPointMode(true);
148 NetDeviceContainer net = simpleHelper.Install(m_nodes, channel);
149
150 InternetStackHelper internet;
151 // By default, InternetStackHelper adds a static and global routing
152 // implementation. We just want the global for this test.
153 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
154 internet.SetRoutingHelper(ipv4RoutingHelper);
155 internet.Install(m_nodes);
156
157 Ipv4AddressHelper ipv4;
158 ipv4.SetBase("10.1.1.0", "255.255.255.252");
159 Ipv4InterfaceContainer i = ipv4.Assign(net);
160}
161
162void
163LinkTest::DoRun()
164{
165 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
166
167 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
168 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
169 Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get(1)->GetObject<Ipv4L3Protocol>();
170 NS_TEST_ASSERT_MSG_NE(ip1, nullptr, "Error-- no Ipv4 object");
171 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
172 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
173 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
174 Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol();
175 Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject<Ipv4GlobalRouting>();
176 NS_TEST_ASSERT_MSG_NE(globalRouting1, nullptr, "Error-- no Ipv4GlobalRouting object");
177
178 // Test that the right number of routes found
179 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
180 NS_LOG_DEBUG("LinkTest nRoutes0 " << nRoutes0);
181 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 1, "Error-- not one route");
182 Ipv4RoutingTableEntry* route = globalRouting0->GetRoute(0);
183 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
184 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("0.0.0.0"), "Error-- wrong destination");
185 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.2"), "Error-- wrong gateway");
186
187 // Test that the right number of routes found
188 uint32_t nRoutes1 = globalRouting1->GetNRoutes();
189 NS_TEST_ASSERT_MSG_EQ(nRoutes1, 1, "Error-- not one route");
190 NS_LOG_DEBUG("LinkTest nRoutes1 " << nRoutes1);
191 route = globalRouting1->GetRoute(0);
192 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
193 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("0.0.0.0"), "Error-- wrong destination");
194 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.1"), "Error-- wrong gateway");
195
196 bool result = true;
197
198 NS_TEST_ASSERT_MSG_EQ(result, true, "Message");
199 Simulator::Run();
200 Simulator::Destroy();
201}
202
208class LanTest : public TestCase
209{
210 public:
211 void DoSetup() override;
212 void DoRun() override;
213 LanTest();
214
215 private:
216 NodeContainer m_nodes;
217};
218
219LanTest::LanTest()
220 : TestCase("Global routing on broadcast link")
221{
222}
223
224void
225LanTest::DoSetup()
226{
227 m_nodes.Create(2);
228
229 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
230 SimpleNetDeviceHelper simpleHelper;
231 NetDeviceContainer net = simpleHelper.Install(m_nodes, channel);
232
233 InternetStackHelper internet;
234 // By default, InternetStackHelper adds a static and global routing
235 // implementation. We just want the global for this test.
236 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
237 internet.SetRoutingHelper(ipv4RoutingHelper);
238 internet.Install(m_nodes);
239
240 Ipv4AddressHelper ipv4;
241 ipv4.SetBase("10.1.1.0", "255.255.255.0");
242 Ipv4InterfaceContainer i = ipv4.Assign(net);
243}
244
245void
246LanTest::DoRun()
247{
248 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
249
250 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
251 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
252 Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get(1)->GetObject<Ipv4L3Protocol>();
253 NS_TEST_ASSERT_MSG_NE(ip1, nullptr, "Error-- no Ipv4 object");
254 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
255 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
256 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
257 Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol();
258 Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject<Ipv4GlobalRouting>();
259 NS_TEST_ASSERT_MSG_NE(globalRouting1, nullptr, "Error-- no Ipv4GlobalRouting object");
260
261 // Test that the right number of routes found
262 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
263 NS_LOG_DEBUG("LanTest nRoutes0 " << nRoutes0);
264 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 1, "Error-- more than one entry");
265 for (uint32_t i = 0; i < globalRouting0->GetNRoutes(); i++)
266 {
267 Ipv4RoutingTableEntry* route = globalRouting0->GetRoute(i);
268 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
269 }
270
271 // Test that the right number of routes found
272 uint32_t nRoutes1 = globalRouting1->GetNRoutes();
273 NS_LOG_DEBUG("LanTest nRoutes1 " << nRoutes1);
274 NS_TEST_ASSERT_MSG_EQ(nRoutes1, 1, "Error-- more than one entry");
275 for (uint32_t i = 0; i < globalRouting0->GetNRoutes(); i++)
276 {
277 Ipv4RoutingTableEntry* route = globalRouting1->GetRoute(i);
278 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
279 }
280
281 Simulator::Destroy();
282}
283
289class TwoLinkTest : public TestCase
290{
291 public:
292 void DoSetup() override;
293 void DoRun() override;
294 TwoLinkTest();
295
296 private:
297 NodeContainer m_nodes;
298};
299
300TwoLinkTest::TwoLinkTest()
301 : TestCase("Global routing across two hops (point-to-point links)")
302{
303}
304
305void
306TwoLinkTest::DoSetup()
307{
308 m_nodes.Create(3);
309
310 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
311 SimpleNetDeviceHelper simpleHelper;
312 simpleHelper.SetNetDevicePointToPointMode(true);
313 NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
314 net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
315
316 Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
317 SimpleNetDeviceHelper simpleHelper2;
318 simpleHelper2.SetNetDevicePointToPointMode(true);
319 NetDeviceContainer net2 = simpleHelper.Install(m_nodes.Get(1), channel2);
320 net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
321
322 InternetStackHelper internet;
323 // By default, InternetStackHelper adds a static and global routing
324 // implementation. We just want the global for this test.
325 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
326 internet.SetRoutingHelper(ipv4RoutingHelper);
327 internet.Install(m_nodes);
328
329 Ipv4AddressHelper ipv4;
330 ipv4.SetBase("10.1.1.0", "255.255.255.252");
331 Ipv4InterfaceContainer i = ipv4.Assign(net);
332 ipv4.SetBase("10.1.2.0", "255.255.255.252");
333 Ipv4InterfaceContainer i2 = ipv4.Assign(net2);
334}
335
336void
337TwoLinkTest::DoRun()
338{
339 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
340
341 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
342 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
343 Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get(1)->GetObject<Ipv4L3Protocol>();
344 NS_TEST_ASSERT_MSG_NE(ip1, nullptr, "Error-- no Ipv4 object");
345 Ptr<Ipv4L3Protocol> ip2 = m_nodes.Get(2)->GetObject<Ipv4L3Protocol>();
346 NS_TEST_ASSERT_MSG_NE(ip2, nullptr, "Error-- no Ipv4 object");
347 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
348 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
349 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
350 Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol();
351 Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject<Ipv4GlobalRouting>();
352 NS_TEST_ASSERT_MSG_NE(globalRouting1, nullptr, "Error-- no Ipv4GlobalRouting object");
353 Ptr<Ipv4RoutingProtocol> routing2 = ip2->GetRoutingProtocol();
354 Ptr<Ipv4GlobalRouting> globalRouting2 = routing2->GetObject<Ipv4GlobalRouting>();
355 NS_TEST_ASSERT_MSG_NE(globalRouting2, nullptr, "Error-- no Ipv4GlobalRouting object");
356
357 // node n0
358 // Test that the right number of routes found
359 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
360 NS_LOG_DEBUG("TwoLinkTest nRoutes0 " << nRoutes0);
361 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 1, "Error-- wrong number of links");
362
363 Ipv4RoutingTableEntry* route = globalRouting0->GetRoute(0);
364 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
365 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("0.0.0.0"), "Error-- wrong destination");
366 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.2"), "Error-- wrong gateway");
367
368 // node n1
369 // Test that the right number of routes found
370 uint32_t nRoutes1 = globalRouting1->GetNRoutes();
371 NS_LOG_DEBUG("TwoLinkTest nRoutes1 " << nRoutes1);
372 route = globalRouting1->GetRoute(0);
373 NS_LOG_DEBUG("TwoLinkTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
374 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.1.1"), "Error-- wrong destination");
375 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.1"), "Error-- wrong gateway");
376 route = globalRouting1->GetRoute(1);
377 NS_LOG_DEBUG("TwoLinkTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
378 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.2.2"), "Error-- wrong destination");
379 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.2.2"), "Error-- wrong gateway");
380 route = globalRouting1->GetRoute(2);
381 NS_LOG_DEBUG("TwoLinkTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
382 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.1.0"), "Error-- wrong destination");
383 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.1"), "Error-- wrong gateway");
384 route = globalRouting1->GetRoute(3);
385 NS_LOG_DEBUG("TwoLinkTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
386 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.2.0"), "Error-- wrong destination");
387 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.2.2"), "Error-- wrong gateway");
388
389 // node n2
390 // Test that the right number of routes found
391 uint32_t nRoutes2 = globalRouting2->GetNRoutes();
392 NS_LOG_DEBUG("TwoLinkTest nRoutes2 " << nRoutes2);
393 NS_TEST_ASSERT_MSG_EQ(nRoutes2, 1, "Error-- wrong number of links");
394
395 route = globalRouting2->GetRoute(0);
396 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
397 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("0.0.0.0"), "Error-- wrong destination");
398 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.2.1"), "Error-- wrong gateway");
399
400 Simulator::Destroy();
401}
402
408class TwoLanTest : public TestCase
409{
410 public:
411 void DoSetup() override;
412 void DoRun() override;
413 TwoLanTest();
414
415 private:
416 NodeContainer m_nodes;
417};
418
419TwoLanTest::TwoLanTest()
420 : TestCase("Global routing across two hops (broadcast links)")
421{
422}
423
424void
425TwoLanTest::DoSetup()
426{
427 m_nodes.Create(3);
428
429 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
430 SimpleNetDeviceHelper simpleHelper;
431 NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
432 net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
433
434 Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
435 SimpleNetDeviceHelper simpleHelper2;
436 NetDeviceContainer net2 = simpleHelper.Install(m_nodes.Get(1), channel2);
437 net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
438
439 InternetStackHelper internet;
440 // By default, InternetStackHelper adds a static and global routing
441 // implementation. We just want the global for this test.
442 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
443 internet.SetRoutingHelper(ipv4RoutingHelper);
444 internet.Install(m_nodes);
445
446 Ipv4AddressHelper ipv4;
447 ipv4.SetBase("10.1.1.0", "255.255.255.0");
448 Ipv4InterfaceContainer i = ipv4.Assign(net);
449 ipv4.SetBase("10.1.2.0", "255.255.255.0");
450 Ipv4InterfaceContainer i2 = ipv4.Assign(net2);
451}
452
453void
454TwoLanTest::DoRun()
455{
456 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
457
458 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
459 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
460 Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get(1)->GetObject<Ipv4L3Protocol>();
461 NS_TEST_ASSERT_MSG_NE(ip1, nullptr, "Error-- no Ipv4 object");
462 Ptr<Ipv4L3Protocol> ip2 = m_nodes.Get(2)->GetObject<Ipv4L3Protocol>();
463 NS_TEST_ASSERT_MSG_NE(ip2, nullptr, "Error-- no Ipv4 object");
464 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
465 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
466 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
467 Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol();
468 Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject<Ipv4GlobalRouting>();
469 NS_TEST_ASSERT_MSG_NE(globalRouting1, nullptr, "Error-- no Ipv4GlobalRouting object");
470 Ptr<Ipv4RoutingProtocol> routing2 = ip2->GetRoutingProtocol();
471 Ptr<Ipv4GlobalRouting> globalRouting2 = routing2->GetObject<Ipv4GlobalRouting>();
472 NS_TEST_ASSERT_MSG_NE(globalRouting2, nullptr, "Error-- no Ipv4GlobalRouting object");
473
474 // Test that the right number of routes found
475 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
476 NS_LOG_DEBUG("TwoLanTest nRoutes0 " << nRoutes0);
477 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 2, "Error-- not two entries");
478 Ipv4RoutingTableEntry* route = globalRouting0->GetRoute(0);
479 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
480 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.1.0"), "Error-- wrong destination");
481 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("0.0.0.0"), "Error-- wrong gateway");
482 route = globalRouting0->GetRoute(1);
483 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
484 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.2.0"), "Error-- wrong destination");
485 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.2"), "Error-- wrong gateway");
486
487 // Test that the right number of routes found
488 uint32_t nRoutes1 = globalRouting1->GetNRoutes();
489 NS_LOG_DEBUG("TwoLanTest nRoutes1 " << nRoutes1);
490 NS_TEST_ASSERT_MSG_EQ(nRoutes1, 2, "Error-- not two entries");
491 route = globalRouting1->GetRoute(0);
492 NS_LOG_DEBUG("TwoLanTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
493 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.1.0"), "Error-- wrong destination");
494 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("0.0.0.0"), "Error-- wrong gateway");
495 route = globalRouting1->GetRoute(1);
496 NS_LOG_DEBUG("TwoLanTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
497 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.2.0"), "Error-- wrong destination");
498 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("0.0.0.0"), "Error-- wrong gateway");
499
500 Simulator::Destroy();
501}
502
508class BridgeTest : public TestCase
509{
510 public:
511 void DoSetup() override;
512 void DoRun() override;
513 BridgeTest();
514
515 private:
516 NodeContainer m_nodes;
517};
518
519BridgeTest::BridgeTest()
520 : TestCase("Global routing across bridging topology (bug 2102)")
521{
522}
523
524void
525BridgeTest::DoSetup()
526{
527 m_nodes.Create(5);
528
529 // connect node0 to node1
530 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
531 SimpleNetDeviceHelper simpleHelper;
532 NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
533 net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
534
535 NetDeviceContainer bridgeFacingDevices;
536 NetDeviceContainer switchDevices;
537
538 // connect node1 to node2 (switch)
539 Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
540 SimpleNetDeviceHelper simpleHelper2;
541 NetDeviceContainer net2 = simpleHelper2.Install(m_nodes.Get(1), channel2);
542 net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
543 bridgeFacingDevices.Add(net2.Get(0));
544 switchDevices.Add(net2.Get(1));
545
546 // connect node2 (switch) to node3
547 Ptr<SimpleChannel> channel3 = CreateObject<SimpleChannel>();
548 SimpleNetDeviceHelper simpleHelper3;
549 NetDeviceContainer net3 = simpleHelper3.Install(m_nodes.Get(2), channel3);
550 net3.Add(simpleHelper3.Install(m_nodes.Get(3), channel3));
551 bridgeFacingDevices.Add(net3.Get(1));
552 switchDevices.Add(net3.Get(0));
553
554 // connect node3 to node4
555 Ptr<SimpleChannel> channel4 = CreateObject<SimpleChannel>();
556 SimpleNetDeviceHelper simpleHelper4;
557 NetDeviceContainer net4 = simpleHelper4.Install(m_nodes.Get(3), channel4);
558 net4.Add(simpleHelper4.Install(m_nodes.Get(4), channel4));
559
560 Ptr<Node> switchNode = m_nodes.Get(2);
561 BridgeHelper bridge;
562 bridge.Install(switchNode, switchDevices);
563
564 InternetStackHelper internet;
565 // By default, InternetStackHelper adds a static and global routing
566 // implementation. We just want the global for this test.
567 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
568 internet.SetRoutingHelper(ipv4RoutingHelper);
569
570 internet.Install(m_nodes.Get(0));
571 internet.Install(m_nodes.Get(1));
572 // m_nodes.Get (2) is bridge node
573 internet.Install(m_nodes.Get(3));
574 internet.Install(m_nodes.Get(4));
575
576 Ipv4AddressHelper address;
577 address.SetBase("10.1.1.0", "255.255.255.0");
578 address.Assign(net);
579
580 address.SetBase("10.1.2.0", "255.255.255.0");
581 address.Assign(bridgeFacingDevices);
582
583 address.SetBase("10.1.3.0", "255.255.255.0");
584 address.Assign(net4);
585}
586
587void
588BridgeTest::DoRun()
589{
590 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
591
592 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
593 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
594 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
595 NS_TEST_ASSERT_MSG_NE(routing0, nullptr, "Error-- no Ipv4 routing protocol object");
596 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
597 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
598
599 Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get(1)->GetObject<Ipv4L3Protocol>();
600 NS_TEST_ASSERT_MSG_NE(ip1, nullptr, "Error-- no Ipv4 object");
601 Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol();
602 NS_TEST_ASSERT_MSG_NE(routing1, nullptr, "Error-- no Ipv4 routing protocol object");
603 Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject<Ipv4GlobalRouting>();
604 NS_TEST_ASSERT_MSG_NE(globalRouting1, nullptr, "Error-- no Ipv4GlobalRouting object");
605
606 // Skip to n4
607 Ptr<Ipv4L3Protocol> ip4 = m_nodes.Get(4)->GetObject<Ipv4L3Protocol>();
608 NS_TEST_ASSERT_MSG_NE(ip4, nullptr, "Error-- no Ipv4 object");
609 Ptr<Ipv4RoutingProtocol> routing4 = ip4->GetRoutingProtocol();
610 NS_TEST_ASSERT_MSG_NE(routing4, nullptr, "Error-- no Ipv4 routing protocol object");
611 Ptr<Ipv4GlobalRouting> globalRouting4 = routing4->GetObject<Ipv4GlobalRouting>();
612 NS_TEST_ASSERT_MSG_NE(globalRouting4, nullptr, "Error-- no Ipv4GlobalRouting object");
613
614 Ipv4RoutingTableEntry* route = nullptr;
615 // n0
616 // Test that the right number of routes found
617 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
618 NS_LOG_DEBUG("BridgeTest nRoutes0 " << nRoutes0);
619 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 3, "Error-- not three entries");
620 for (uint32_t i = 0; i < globalRouting0->GetNRoutes(); i++)
621 {
622 route = globalRouting0->GetRoute(i);
623 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
624 }
625 // Spot check the last route
626 if (route)
627 {
628 NS_TEST_ASSERT_MSG_EQ(route->GetDest(),
629 Ipv4Address("10.1.3.0"),
630 "Error-- wrong destination");
631 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(),
632 Ipv4Address("10.1.1.2"),
633 "Error-- wrong gateway");
634 }
635
636 // n1
637 // Test that the right number of routes found
638 route = nullptr;
639 uint32_t nRoutes1 = globalRouting1->GetNRoutes();
640 NS_LOG_DEBUG("BridgeTest nRoutes1 " << nRoutes1);
641 NS_TEST_ASSERT_MSG_EQ(nRoutes1, 3, "Error-- not three entries");
642 for (uint32_t i = 0; i < globalRouting1->GetNRoutes(); i++)
643 {
644 route = globalRouting1->GetRoute(i);
645 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
646 }
647 // Spot check the last route
648 if (route)
649 {
650 NS_TEST_ASSERT_MSG_EQ(route->GetDest(),
651 Ipv4Address("10.1.3.0"),
652 "Error-- wrong destination");
653 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(),
654 Ipv4Address("10.1.2.2"),
655 "Error-- wrong gateway");
656 }
657
658 // skip n2 and n3, just verify n4
659 NS_LOG_DEBUG("BridgeTest skip print out of n2 and n3, go next to node n4");
660
661 // n4
662 route = nullptr;
663 // Test that the right number of routes found
664 uint32_t nRoutes4 = globalRouting4->GetNRoutes();
665 NS_LOG_DEBUG("BridgeTest nRoutes4 " << nRoutes4);
666 NS_TEST_ASSERT_MSG_EQ(nRoutes4, 3, "Error-- not three entries");
667 for (uint32_t i = 0; i < globalRouting4->GetNRoutes(); i++)
668 {
669 route = globalRouting4->GetRoute(i);
670 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
671 }
672 // Spot check the last route
673 if (route)
674 {
675 NS_TEST_ASSERT_MSG_EQ(route->GetDest(),
676 Ipv4Address("10.1.1.0"),
677 "Error-- wrong destination");
678 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(),
679 Ipv4Address("10.1.3.1"),
680 "Error-- wrong gateway");
681 }
682
683 Simulator::Destroy();
684}
685
691class TwoBridgeTest : public TestCase
692{
693 public:
694 void DoSetup() override;
695 void DoRun() override;
696 TwoBridgeTest();
697
698 private:
699 NodeContainer m_nodes;
700};
701
702TwoBridgeTest::TwoBridgeTest()
703 : TestCase("Global routing across two bridges")
704{
705}
706
707void
708TwoBridgeTest::DoSetup()
709{
710 m_nodes.Create(5);
711
712 // connect node0 to node1
713 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
714 SimpleNetDeviceHelper simpleHelper;
715 NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
716 net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
717
718 NetDeviceContainer bridgeFacingDevices;
719 NetDeviceContainer switchn2Devices;
720 NetDeviceContainer switchn3Devices;
721
722 // connect node1 to node2 (switch)
723 Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
724 SimpleNetDeviceHelper simpleHelper2;
725 NetDeviceContainer net2 = simpleHelper2.Install(m_nodes.Get(1), channel2);
726 net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
727 bridgeFacingDevices.Add(net2.Get(0));
728 switchn2Devices.Add(net2.Get(1));
729
730 // connect node2 (switch) to node3
731 Ptr<SimpleChannel> channel3 = CreateObject<SimpleChannel>();
732 SimpleNetDeviceHelper simpleHelper3;
733 NetDeviceContainer net3 = simpleHelper3.Install(m_nodes.Get(2), channel3);
734 net3.Add(simpleHelper3.Install(m_nodes.Get(3), channel3));
735 switchn2Devices.Add(net3.Get(0));
736 switchn3Devices.Add(net3.Get(1));
737
738 // connect node3 to node4
739 Ptr<SimpleChannel> channel4 = CreateObject<SimpleChannel>();
740 SimpleNetDeviceHelper simpleHelper4;
741 NetDeviceContainer net4 = simpleHelper4.Install(m_nodes.Get(3), channel4);
742 net4.Add(simpleHelper4.Install(m_nodes.Get(4), channel4));
743 switchn3Devices.Add(net4.Get(0));
744 bridgeFacingDevices.Add(net4.Get(1));
745
746 Ptr<Node> switchn2Node = m_nodes.Get(2);
747 BridgeHelper bridgen2Helper;
748 bridgen2Helper.Install(switchn2Node, switchn2Devices);
749
750 Ptr<Node> switchn3Node = m_nodes.Get(3);
751 BridgeHelper bridgen3Helper;
752 bridgen3Helper.Install(switchn3Node, switchn3Devices);
753
754 InternetStackHelper internet;
755 // By default, InternetStackHelper adds a static and global routing
756 // implementation. We just want the global for this test.
757 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
758 internet.SetRoutingHelper(ipv4RoutingHelper);
759
760 internet.Install(m_nodes.Get(0));
761 internet.Install(m_nodes.Get(1));
762 // m_nodes.Get (2) is bridge node
763 // m_nodes.Get (3) is bridge node
764 internet.Install(m_nodes.Get(4));
765
766 Ipv4AddressHelper address;
767 address.SetBase("10.1.1.0", "255.255.255.0");
768 address.Assign(net);
769
770 address.SetBase("10.1.2.0", "255.255.255.0");
771 address.Assign(bridgeFacingDevices);
772}
773
774void
775TwoBridgeTest::DoRun()
776{
777 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
778
779 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
780 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
781 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
782 NS_TEST_ASSERT_MSG_NE(routing0, nullptr, "Error-- no Ipv4 routing protocol object");
783 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
784 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
785
786 // Skip to n4
787 Ptr<Ipv4L3Protocol> ip4 = m_nodes.Get(4)->GetObject<Ipv4L3Protocol>();
788 NS_TEST_ASSERT_MSG_NE(ip4, nullptr, "Error-- no Ipv4 object");
789 Ptr<Ipv4RoutingProtocol> routing4 = ip4->GetRoutingProtocol();
790 NS_TEST_ASSERT_MSG_NE(routing4, nullptr, "Error-- no Ipv4 routing protocol object");
791 Ptr<Ipv4GlobalRouting> globalRouting4 = routing4->GetObject<Ipv4GlobalRouting>();
792 NS_TEST_ASSERT_MSG_NE(globalRouting4, nullptr, "Error-- no Ipv4GlobalRouting object");
793
794 Ipv4RoutingTableEntry* route = nullptr;
795 // n0
796 // Test that the right number of routes found
797 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
798 NS_LOG_DEBUG("BridgeTest nRoutes0 " << nRoutes0);
799 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 2, "Error-- not two entries");
800 for (uint32_t i = 0; i < globalRouting0->GetNRoutes(); i++)
801 {
802 route = globalRouting0->GetRoute(i);
803 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
804 }
805 // Spot check the last route
806 if (route)
807 {
808 NS_TEST_ASSERT_MSG_EQ(route->GetDest(),
809 Ipv4Address("10.1.2.0"),
810 "Error-- wrong destination");
811 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(),
812 Ipv4Address("10.1.1.2"),
813 "Error-- wrong gateway");
814 }
815 // skip n2 and n3, just verify n4
816 NS_LOG_DEBUG("BridgeTest skip print out of n1-n3, go next to node n4");
817
818 // n4
819 // Test that the right number of routes found
820 route = nullptr;
821 uint32_t nRoutes4 = globalRouting4->GetNRoutes();
822 NS_LOG_DEBUG("BridgeTest nRoutes4 " << nRoutes4);
823 NS_TEST_ASSERT_MSG_EQ(nRoutes4, 2, "Error-- not two entries");
824 for (uint32_t i = 0; i < globalRouting4->GetNRoutes(); i++)
825 {
826 route = globalRouting4->GetRoute(i);
827 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
828 }
829 // Spot check the last route
830 if (route)
831 {
832 NS_TEST_ASSERT_MSG_EQ(route->GetDest(),
833 Ipv4Address("10.1.1.0"),
834 "Error-- wrong destination");
835 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(),
836 Ipv4Address("10.1.2.1"),
837 "Error-- wrong gateway");
838 }
839
840 Simulator::Destroy();
841}
842
848class Ipv4DynamicGlobalRoutingTestCase : public TestCase
849{
850 public:
851 Ipv4DynamicGlobalRoutingTestCase();
852 ~Ipv4DynamicGlobalRoutingTestCase() override;
853
854 private:
859 void SendData(uint8_t index);
860
865 void ShutDownSock(uint8_t index);
866
871 void HandleRead(Ptr<Socket> socket);
872 void DoRun() override;
873
874 uint16_t m_count;
875 std::vector<std::pair<Ptr<Socket>, bool>> m_sendSocks;
876 DataRate m_dataRate;
877 uint16_t m_packetSize;
878 std::vector<uint8_t>
879 m_firstInterface;
880 std::vector<uint8_t>
881 m_secondInterface;
882};
883
884// Add some help text to this case to describe what it is intended to test
885Ipv4DynamicGlobalRoutingTestCase::Ipv4DynamicGlobalRoutingTestCase()
886 : TestCase("Dynamic global routing example"),
887 m_count(0)
888{
889 m_firstInterface.resize(16);
890 m_secondInterface.resize(16);
891 m_dataRate = DataRate("2kbps");
892 m_packetSize = 50;
893}
894
895Ipv4DynamicGlobalRoutingTestCase::~Ipv4DynamicGlobalRoutingTestCase()
896{
897 std::vector<std::pair<Ptr<Socket>, bool>>::iterator iter;
898
899 for (iter = m_sendSocks.begin(); iter != m_sendSocks.end(); iter++)
900 {
901 if (iter->second)
902 {
903 iter->second = false;
904 iter->first->Close();
905 iter->first = nullptr;
906 }
907 }
908}
909
910void
911Ipv4DynamicGlobalRoutingTestCase::HandleRead(Ptr<Socket> socket)
912{
913 Ptr<Packet> packet;
914 Address from;
915 while ((packet = socket->RecvFrom(from)))
916 {
917 if (packet->GetSize() == 0)
918 { // EOF
919 break;
920 }
921 Ipv4PacketInfoTag tag;
922 bool found;
923 found = packet->PeekPacketTag(tag);
924 uint8_t now = static_cast<uint8_t>(Simulator::Now().GetSeconds());
925 if (found)
926 {
927 if (tag.GetRecvIf() == 1)
928 {
929 m_firstInterface[now]++;
930 }
931 if (tag.GetRecvIf() == 2)
932 {
933 m_secondInterface[now]++;
934 }
935 m_count++;
936 }
937 }
938}
939
940void
941Ipv4DynamicGlobalRoutingTestCase::SendData(uint8_t index)
942{
943 if (!m_sendSocks[index].second)
944 {
945 return;
946 }
947 Ptr<Packet> packet = Create<Packet>(m_packetSize);
948 m_sendSocks[index].first->Send(packet);
949
950 Time tNext(MicroSeconds(m_packetSize * 8 * 1e6 / m_dataRate.GetBitRate()));
951 Simulator::Schedule(tNext, &Ipv4DynamicGlobalRoutingTestCase::SendData, this, index);
952}
953
954void
955Ipv4DynamicGlobalRoutingTestCase::ShutDownSock(uint8_t index)
956{
957 m_sendSocks[index].second = false;
958 m_sendSocks[index].first->Close();
959 m_sendSocks[index].first = nullptr;
960}
961
962// Test derived from examples/routing/dynamic-global-routing.cc
963//
964// Network topology
965//
966// n0
967// \ p-p
968// \ (shared csma/cd)
969// n2 -------------------------n3
970// / | |
971// / p-p n4 n5 ---------- n6
972// n1 p-p
973// | |
974// ----------------------------------------
975// p-p
976//
977// Test that for node n6, the interface facing n5 receives packets at
978// times (1-2), (4-6), (8-10), (11-12), (14-16) and the interface
979// facing n1 receives packets at times (2-4), (6-8), (12-13)
980//
981void
982Ipv4DynamicGlobalRoutingTestCase::DoRun()
983{
984 // The below value configures the default behavior of global routing.
985 // By default, it is disabled. To respond to interface events, set to true
986 Config::SetDefault("ns3::Ipv4GlobalRouting::RespondToInterfaceEvents", BooleanValue(true));
987
988 NodeContainer c;
989 c.Create(7);
990 NodeContainer n0n2 = NodeContainer(c.Get(0), c.Get(2));
991 NodeContainer n1n2 = NodeContainer(c.Get(1), c.Get(2));
992 NodeContainer n5n6 = NodeContainer(c.Get(5), c.Get(6));
993 NodeContainer n1n6 = NodeContainer(c.Get(1), c.Get(6));
994 NodeContainer n2345 = NodeContainer(c.Get(2), c.Get(3), c.Get(4), c.Get(5));
995
996 InternetStackHelper internet;
997 internet.Install(c);
998
999 // We create the channels first without any IP addressing information
1000 SimpleNetDeviceHelper devHelper;
1001
1002 devHelper.SetNetDevicePointToPointMode(true);
1003 NetDeviceContainer d0d2 = devHelper.Install(n0n2);
1004 devHelper.SetNetDevicePointToPointMode(false);
1005
1006 NetDeviceContainer d1d6 = devHelper.Install(n1n6);
1007 NetDeviceContainer d1d2 = devHelper.Install(n1n2);
1008 NetDeviceContainer d5d6 = devHelper.Install(n5n6);
1009 NetDeviceContainer d2345 = devHelper.Install(n2345);
1010
1011 // Later, we add IP addresses.
1012 Ipv4AddressHelper ipv4;
1013 ipv4.SetBase("10.1.1.0", "255.255.255.0");
1014 ipv4.Assign(d0d2);
1015
1016 ipv4.SetBase("10.1.2.0", "255.255.255.0");
1017 ipv4.Assign(d1d2);
1018
1019 ipv4.SetBase("10.1.3.0", "255.255.255.0");
1020 Ipv4InterfaceContainer i5i6 = ipv4.Assign(d5d6);
1021
1022 ipv4.SetBase("10.250.1.0", "255.255.255.0");
1023 ipv4.Assign(d2345);
1024
1025 ipv4.SetBase("172.16.1.0", "255.255.255.0");
1026 Ipv4InterfaceContainer i1i6 = ipv4.Assign(d1d6);
1027
1028 // Create router nodes, initialize routing database and set up the routing
1029 // tables in the nodes.
1030 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
1031
1032 // Create the applications to send UDP datagrams of size
1033 // 50 bytes at a rate of 2 Kb/s
1034 TypeId tid = TypeId::LookupByName("ns3::UdpSocketFactory");
1035 uint16_t port = 9; // Discard port (RFC 863)
1036
1037 std::pair<Ptr<Socket>, bool> sendSockA;
1038 sendSockA.first = Socket::CreateSocket(c.Get(1), tid);
1039 sendSockA.first->Bind();
1040 sendSockA.first->Connect(InetSocketAddress(i5i6.GetAddress(1), port));
1041 sendSockA.second = true;
1042 m_sendSocks.push_back(sendSockA);
1043 Simulator::Schedule(Seconds(1.0), &Ipv4DynamicGlobalRoutingTestCase::SendData, this, 0);
1044 Simulator::Schedule(Seconds(10.0), &Ipv4DynamicGlobalRoutingTestCase::ShutDownSock, this, 0);
1045
1046 std::pair<Ptr<Socket>, bool> sendSockB;
1047 sendSockB.first = Socket::CreateSocket(c.Get(1), tid);
1048 sendSockB.first->Bind();
1049 sendSockB.first->Connect(InetSocketAddress(i1i6.GetAddress(1), port));
1050 sendSockB.second = true;
1051 m_sendSocks.push_back(sendSockB);
1052 Simulator::Schedule(Seconds(11.0), &Ipv4DynamicGlobalRoutingTestCase::SendData, this, 1);
1053 Simulator::Schedule(Seconds(16.0), &Ipv4DynamicGlobalRoutingTestCase::ShutDownSock, this, 1);
1054
1055 // Create an optional packet sink to receive these packets
1056 Ptr<Socket> sink2 = Socket::CreateSocket(c.Get(6), tid);
1057 sink2->Bind(Address(InetSocketAddress(Ipv4Address::GetAny(), port)));
1058 sink2->Listen();
1059 sink2->ShutdownSend();
1060
1061 sink2->SetRecvPktInfo(true);
1062 sink2->SetRecvCallback(MakeCallback(&Ipv4DynamicGlobalRoutingTestCase::HandleRead, this));
1063
1064 Ptr<Node> n1 = c.Get(1);
1065 Ptr<Ipv4> ipv41 = n1->GetObject<Ipv4>();
1066 // The first ifIndex is 0 for loopback, then the first p2p is numbered 1,
1067 // then the next p2p is numbered 2
1068 uint32_t ipv4ifIndex1 = 2;
1069
1070 Simulator::Schedule(Seconds(2), &Ipv4::SetDown, ipv41, ipv4ifIndex1);
1071 Simulator::Schedule(Seconds(4), &Ipv4::SetUp, ipv41, ipv4ifIndex1);
1072
1073 Ptr<Node> n6 = c.Get(6);
1074 Ptr<Ipv4> ipv46 = n6->GetObject<Ipv4>();
1075 // The first ifIndex is 0 for loopback, then the first p2p is numbered 1,
1076 // then the next p2p is numbered 2
1077 uint32_t ipv4ifIndex6 = 2;
1078 Simulator::Schedule(Seconds(6), &Ipv4::SetDown, ipv46, ipv4ifIndex6);
1079 Simulator::Schedule(Seconds(8), &Ipv4::SetUp, ipv46, ipv4ifIndex6);
1080
1081 Simulator::Schedule(Seconds(12), &Ipv4::SetDown, ipv41, ipv4ifIndex1);
1082 Simulator::Schedule(Seconds(14), &Ipv4::SetUp, ipv41, ipv4ifIndex1);
1083
1084 Simulator::Run();
1085
1086 NS_TEST_ASSERT_MSG_EQ(m_count, 70, "Dynamic global routing did not deliver all packets");
1087 // Test that for node n6, the interface facing n5 receives packets at
1088 // times (1-2), (4-6), (8-10), (11-12), (14-16) and the interface
1089 // facing n1 receives packets at times (2-4), (6-8), (12-13)
1090 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[1],
1091 5,
1092 "Dynamic global routing did not deliver all packets "
1093 << int(m_firstInterface[1]));
1094 NS_TEST_ASSERT_MSG_EQ(m_secondInterface[2],
1095 5,
1096 "Dynamic global routing did not deliver all packets "
1097 << int(m_secondInterface[2]));
1098 NS_TEST_ASSERT_MSG_EQ(m_secondInterface[3],
1099 5,
1100 "Dynamic global routing did not deliver all packets "
1101 << int(m_secondInterface[3]));
1102 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[4],
1103 5,
1104 "Dynamic global routing did not deliver all packets "
1105 << int(m_firstInterface[4]));
1106 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[5],
1107 5,
1108 "Dynamic global routing did not deliver all packets "
1109 << int(m_firstInterface[5]));
1110 NS_TEST_ASSERT_MSG_EQ(m_secondInterface[6],
1111 5,
1112 "Dynamic global routing did not deliver all packets "
1113 << int(m_secondInterface[6]));
1114 NS_TEST_ASSERT_MSG_EQ(m_secondInterface[7],
1115 5,
1116 "Dynamic global routing did not deliver all packets "
1117 << int(m_secondInterface[7]));
1118 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[8],
1119 5,
1120 "Dynamic global routing did not deliver all packets "
1121 << int(m_firstInterface[8]));
1122 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[9],
1123 5,
1124 "Dynamic global routing did not deliver all packets "
1125 << int(m_firstInterface[9]));
1126 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[10],
1127 0,
1128 "Dynamic global routing did not deliver all packets "
1129 << int(m_firstInterface[10]));
1130 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[11],
1131 5,
1132 "Dynamic global routing did not deliver all packets "
1133 << int(m_firstInterface[11]));
1134 NS_TEST_ASSERT_MSG_EQ(m_secondInterface[12],
1135 5,
1136 "Dynamic global routing did not deliver all packets "
1137 << int(m_secondInterface[12]));
1138 NS_TEST_ASSERT_MSG_EQ(m_secondInterface[13],
1139 5,
1140 "Dynamic global routing did not deliver all packets "
1141 << int(m_secondInterface[13]));
1142 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[14],
1143 5,
1144 "Dynamic global routing did not deliver all packets "
1145 << int(m_firstInterface[14]));
1146 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[15],
1147 5,
1148 "Dynamic global routing did not deliver all packets "
1149 << int(m_firstInterface[15]));
1150 Simulator::Destroy();
1151}
1152
1158class Ipv4GlobalRoutingSlash32TestCase : public TestCase
1159{
1160 public:
1161 Ipv4GlobalRoutingSlash32TestCase();
1162 ~Ipv4GlobalRoutingSlash32TestCase() override;
1163
1164 Ptr<Packet> m_receivedPacket;
1165
1170 void ReceivePkt(Ptr<Socket> socket);
1176 void DoSendData(Ptr<Socket> socket, std::string to);
1182 void SendData(Ptr<Socket> socket, std::string to);
1183
1184 private:
1185 void DoRun() override;
1186};
1187
1188// Add some help text to this case to describe what it is intended to test
1189Ipv4GlobalRoutingSlash32TestCase::Ipv4GlobalRoutingSlash32TestCase()
1190 : TestCase("Slash 32 global routing example")
1191{
1192}
1193
1194Ipv4GlobalRoutingSlash32TestCase::~Ipv4GlobalRoutingSlash32TestCase()
1195{
1196}
1197
1198void
1199Ipv4GlobalRoutingSlash32TestCase::ReceivePkt(Ptr<Socket> socket)
1200{
1201 uint32_t availableData [[maybe_unused]] = socket->GetRxAvailable();
1202 m_receivedPacket = socket->Recv(std::numeric_limits<uint32_t>::max(), 0);
1203 NS_TEST_ASSERT_MSG_EQ(availableData,
1204 m_receivedPacket->GetSize(),
1205 "Received packet size is not equal to Rx buffer size");
1206}
1207
1208void
1209Ipv4GlobalRoutingSlash32TestCase::DoSendData(Ptr<Socket> socket, std::string to)
1210{
1211 Address realTo = InetSocketAddress(Ipv4Address(to.c_str()), 1234);
1212 NS_TEST_EXPECT_MSG_EQ(socket->SendTo(Create<Packet>(123), 0, realTo), 123, "100");
1213}
1214
1215void
1216Ipv4GlobalRoutingSlash32TestCase::SendData(Ptr<Socket> socket, std::string to)
1217{
1218 m_receivedPacket = Create<Packet>();
1219 Simulator::ScheduleWithContext(socket->GetNode()->GetId(),
1220 Seconds(60),
1221 &Ipv4GlobalRoutingSlash32TestCase::DoSendData,
1222 this,
1223 socket,
1224 to);
1225 Simulator::Stop(Seconds(66));
1226 Simulator::Run();
1227}
1228
1229// Test program for this 3-router scenario, using global routing
1230//
1231// (a.a.a.a/32)A<--x.x.x.0/30-->B<--y.y.y.0/30-->C(c.c.c.c/32)
1232//
1233void
1234Ipv4GlobalRoutingSlash32TestCase::DoRun()
1235{
1236 Ptr<Node> nA = CreateObject<Node>();
1237 Ptr<Node> nB = CreateObject<Node>();
1238 Ptr<Node> nC = CreateObject<Node>();
1239
1240 NodeContainer c = NodeContainer(nA, nB, nC);
1241
1242 InternetStackHelper internet;
1243 internet.Install(c);
1244
1245 // simple links
1246 NodeContainer nAnB = NodeContainer(nA, nB);
1247 NodeContainer nBnC = NodeContainer(nB, nC);
1248
1249 SimpleNetDeviceHelper devHelper;
1250
1251 Ptr<SimpleNetDevice> deviceA = CreateObject<SimpleNetDevice>();
1252 deviceA->SetAddress(Mac48Address::Allocate());
1253 nA->AddDevice(deviceA);
1254
1255 NetDeviceContainer dAdB = devHelper.Install(nAnB);
1256 NetDeviceContainer dBdC = devHelper.Install(nBnC);
1257
1258 Ptr<SimpleNetDevice> deviceC = CreateObject<SimpleNetDevice>();
1259 deviceC->SetAddress(Mac48Address::Allocate());
1260 nC->AddDevice(deviceC);
1261
1262 // Later, we add IP addresses.
1263 Ipv4AddressHelper ipv4;
1264 ipv4.SetBase("10.1.1.0", "255.255.255.252");
1265 Ipv4InterfaceContainer iAiB = ipv4.Assign(dAdB);
1266
1267 ipv4.SetBase("10.1.1.4", "255.255.255.252");
1268 Ipv4InterfaceContainer iBiC = ipv4.Assign(dBdC);
1269
1270 Ptr<Ipv4> ipv4A = nA->GetObject<Ipv4>();
1271 Ptr<Ipv4> ipv4B = nB->GetObject<Ipv4>();
1272 Ptr<Ipv4> ipv4C = nC->GetObject<Ipv4>();
1273
1274 int32_t ifIndexA = ipv4A->AddInterface(deviceA);
1275 int32_t ifIndexC = ipv4C->AddInterface(deviceC);
1276
1277 Ipv4InterfaceAddress ifInAddrA =
1278 Ipv4InterfaceAddress(Ipv4Address("172.16.1.1"), Ipv4Mask("/32"));
1279 ipv4A->AddAddress(ifIndexA, ifInAddrA);
1280 ipv4A->SetMetric(ifIndexA, 1);
1281 ipv4A->SetUp(ifIndexA);
1282
1283 Ipv4InterfaceAddress ifInAddrC =
1284 Ipv4InterfaceAddress(Ipv4Address("192.168.1.1"), Ipv4Mask("/32"));
1285 ipv4C->AddAddress(ifIndexC, ifInAddrC);
1286 ipv4C->SetMetric(ifIndexC, 1);
1287 ipv4C->SetUp(ifIndexC);
1288
1289 // Create router nodes, initialize routing database and set up the routing
1290 // tables in the nodes.
1291 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
1292
1293 // Create the UDP sockets
1294 Ptr<SocketFactory> rxSocketFactory = nC->GetObject<UdpSocketFactory>();
1295 Ptr<Socket> rxSocket = rxSocketFactory->CreateSocket();
1296 NS_TEST_EXPECT_MSG_EQ(rxSocket->Bind(InetSocketAddress(Ipv4Address("192.168.1.1"), 1234)),
1297 0,
1298 "trivial");
1299 rxSocket->SetRecvCallback(MakeCallback(&Ipv4GlobalRoutingSlash32TestCase::ReceivePkt, this));
1300
1301 Ptr<SocketFactory> txSocketFactory = nA->GetObject<UdpSocketFactory>();
1302 Ptr<Socket> txSocket = txSocketFactory->CreateSocket();
1303 txSocket->SetAllowBroadcast(true);
1304
1305 // ------ Now the tests ------------
1306
1307 // Unicast test
1308 SendData(txSocket, "192.168.1.1");
1309 NS_TEST_EXPECT_MSG_EQ(m_receivedPacket->GetSize(),
1310 123,
1311 "Static routing with /32 did not deliver all packets.");
1312
1313 Simulator::Destroy();
1314}
1315
1321class Ipv4GlobalRoutingTestSuite : public TestSuite
1322{
1323 public:
1324 Ipv4GlobalRoutingTestSuite();
1325};
1326
1327Ipv4GlobalRoutingTestSuite::Ipv4GlobalRoutingTestSuite()
1328 : TestSuite("ipv4-global-routing", UNIT)
1329{
1330 AddTestCase(new LinkTest, TestCase::QUICK);
1331 AddTestCase(new LanTest, TestCase::QUICK);
1332 AddTestCase(new TwoLinkTest, TestCase::QUICK);
1333 AddTestCase(new TwoLanTest, TestCase::QUICK);
1334 AddTestCase(new BridgeTest, TestCase::QUICK);
1335 AddTestCase(new TwoBridgeTest, TestCase::QUICK);
1336 AddTestCase(new Ipv4DynamicGlobalRoutingTestCase, TestCase::QUICK);
1337 AddTestCase(new Ipv4GlobalRoutingSlash32TestCase, TestCase::QUICK);
1338}
1339
1340static Ipv4GlobalRoutingTestSuite
1341 g_globalRoutingTestSuite;
n1n2
NodeContainer n1n2
Nodecontainer n1 + n2.
Definition: adaptive-red-tests.cc:90
n0n2
NodeContainer n0n2
Nodecontainer n0 + n2.
Definition: adaptive-red-tests.cc:89
BridgeTest
IPv4 GlobalRouting Bridge test.
Definition: ipv4-global-routing-test-suite.cc:509
BridgeTest::DoSetup
void DoSetup() override
Implementation to do any local setup required for this TestCase.
Definition: ipv4-global-routing-test-suite.cc:525
BridgeTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:588
BridgeTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: ipv4-global-routing-test-suite.cc:516
Ipv4DynamicGlobalRoutingTestCase::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:982
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:881
Ipv4DynamicGlobalRoutingTestCase::HandleRead
void HandleRead(Ptr< Socket > socket)
Handle an incoming packet.
Definition: ipv4-global-routing-test-suite.cc:911
Ipv4DynamicGlobalRoutingTestCase::m_count
uint16_t m_count
Number of packets received.
Definition: ipv4-global-routing-test-suite.cc:874
Ipv4DynamicGlobalRoutingTestCase::m_sendSocks
std::vector< std::pair< Ptr< Socket >, bool > > m_sendSocks
Sending sockets.
Definition: ipv4-global-routing-test-suite.cc:875
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:879
Ipv4DynamicGlobalRoutingTestCase::ShutDownSock
void ShutDownSock(uint8_t index)
Shutdown a socket.
Definition: ipv4-global-routing-test-suite.cc:955
Ipv4DynamicGlobalRoutingTestCase::SendData
void SendData(uint8_t index)
Send some data.
Definition: ipv4-global-routing-test-suite.cc:941
Ipv4GlobalRoutingSlash32TestCase
IPv4 Dynamic GlobalRouting /32 test.
Definition: ipv4-global-routing-test-suite.cc:1159
Ipv4GlobalRoutingSlash32TestCase::ReceivePkt
void ReceivePkt(Ptr< Socket > socket)
Receive a packet.
Definition: ipv4-global-routing-test-suite.cc:1199
Ipv4GlobalRoutingSlash32TestCase::SendData
void SendData(Ptr< Socket > socket, std::string to)
Send a packet.
Definition: ipv4-global-routing-test-suite.cc:1216
Ipv4GlobalRoutingSlash32TestCase::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:1234
Ipv4GlobalRoutingSlash32TestCase::DoSendData
void DoSendData(Ptr< Socket > socket, std::string to)
Send a packet.
Definition: ipv4-global-routing-test-suite.cc:1209
Ipv4GlobalRoutingSlash32TestCase::m_receivedPacket
Ptr< Packet > m_receivedPacket
number of received packets
Definition: ipv4-global-routing-test-suite.cc:1164
LanTest
IPv4 GlobalRouting LAN test.
Definition: ipv4-global-routing-test-suite.cc:209
LanTest::DoSetup
void DoSetup() override
Implementation to do any local setup required for this TestCase.
Definition: ipv4-global-routing-test-suite.cc:225
LanTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:246
LanTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: ipv4-global-routing-test-suite.cc:216
TwoBridgeTest
IPv4 GlobalRouting Two bridges test.
Definition: ipv4-global-routing-test-suite.cc:692
TwoBridgeTest::DoSetup
void DoSetup() override
Implementation to do any local setup required for this TestCase.
Definition: ipv4-global-routing-test-suite.cc:708
TwoBridgeTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:775
TwoBridgeTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: ipv4-global-routing-test-suite.cc:699
TwoLanTest
IPv4 GlobalRouting Two LAN test.
Definition: ipv4-global-routing-test-suite.cc:409
TwoLanTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: ipv4-global-routing-test-suite.cc:416
TwoLanTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:454
TwoLanTest::DoSetup
void DoSetup() override
Implementation to do any local setup required for this TestCase.
Definition: ipv4-global-routing-test-suite.cc:425
int32_t
ns3::Address
a polymophic address class
Definition: address.h:100
ns3::BooleanValue
AttributeValue implementation for Boolean.
Definition: boolean.h:37
ns3::BridgeHelper
Add capability to bridge multiple LAN segments (IEEE 802.1D bridging)
Definition: bridge-helper.h:45
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:50
ns3::DataRate
Class for representing data rates.
Definition: data-rate.h:89
ns3::DataRate::GetBitRate
uint64_t GetBitRate() const
Get the underlying bitrate.
Definition: data-rate.cc:305
ns3::InetSocketAddress
an Inet address class
Definition: inet-socket-address.h:42
ns3::InternetStackHelper
aggregate IP/TCP/UDP functionality to existing Nodes.
Definition: internet-stack-helper.h:92
ns3::Ipv4AddressHelper
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
Definition: ipv4-address-helper.h:49
ns3::Ipv4Address
Ipv4 addresses are stored in host order in this class.
Definition: ipv4-address.h:42
ns3::Ipv4Address::GetAny
static Ipv4Address GetAny()
Definition: ipv4-address.cc:378
ns3::Ipv4GlobalRoutingHelper
Helper class that adds ns3::Ipv4GlobalRouting objects.
Definition: ipv4-global-routing-helper.h:34
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:61
ns3::Ipv4GlobalRouting
Global routing protocol for IPv4 stacks.
Definition: ipv4-global-routing.h:72
ns3::Ipv4
Access to the IPv4 forwarding table, interfaces, and configuration.
Definition: ipv4.h:79
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:45
ns3::Ipv4InterfaceContainer
holds a vector of std::pair of Ptr<Ipv4> and interface index.
Definition: ipv4-interface-container.h:56
ns3::Ipv4InterfaceContainer::GetAddress
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const
Definition: ipv4-interface-container.cc:62
ns3::Ipv4L3Protocol
Implement the IPv4 layer.
Definition: ipv4-l3-protocol.h:82
ns3::Ipv4Mask
a class to represent an Ipv4 address mask
Definition: ipv4-address.h:257
ns3::Ipv4PacketInfoTag
This class implements Linux struct pktinfo in order to deliver ancillary information to the socket in...
Definition: ipv4-packet-info-tag.h:49
ns3::Ipv4PacketInfoTag::GetRecvIf
uint32_t GetRecvIf() const
Get the tag's receiving interface.
Definition: ipv4-packet-info-tag.cc:62
ns3::Ipv4RoutingTableEntry
A record of an IPv4 routing table entry for Ipv4GlobalRouting and Ipv4StaticRouting.
Definition: ipv4-routing-table-entry.h:38
ns3::Ipv4RoutingTableEntry::GetDest
Ipv4Address GetDest() const
Definition: ipv4-routing-table-entry.cc:106
ns3::Ipv4RoutingTableEntry::GetGateway
Ipv4Address GetGateway() const
Definition: ipv4-routing-table-entry.cc:148
ns3::Mac48Address::Allocate
static Mac48Address Allocate()
Allocate a new Mac48Address.
Definition: mac48-address.cc:151
ns3::NetDeviceContainer
holds a vector of ns3::NetDevice pointers
Definition: net-device-container.h:43
ns3::NetDeviceContainer::Add
void Add(NetDeviceContainer other)
Append the contents of another NetDeviceContainer to the end of this container.
Definition: net-device-container.cc:73
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:67
ns3::NodeContainer
keep track of a set of node pointers.
Definition: node-container.h:40
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:84
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:78
ns3::Object::GetObject
Ptr< T > GetObject() const
Get a pointer to the requested aggregated Object.
Definition: object.h:471
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:861
ns3::Ptr
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:78
ns3::SimpleNetDeviceHelper
build a set of SimpleNetDevice objects
Definition: simple-net-device-helper.h:38
ns3::SimpleNetDeviceHelper::SetNetDevicePointToPointMode
void SetNetDevicePointToPointMode(bool pointToPointMode)
SimpleNetDevice is Broadcast capable and ARP needing.
Definition: simple-net-device-helper.cc:64
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:76
ns3::Simulator::Schedule
static EventId Schedule(const Time &delay, FUNC f, Ts &&... args)
Schedule an event to expire after delay.
Definition: simulator.h:568
ns3::Simulator::Destroy
static void Destroy()
Execute the events scheduled with ScheduleDestroy().
Definition: simulator.cc:140
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:587
ns3::Simulator::Now
static Time Now()
Return the current simulation virtual time.
Definition: simulator.cc:199
ns3::Simulator::Run
static void Run()
Run the simulation.
Definition: simulator.cc:176
ns3::Simulator::Stop
static void Stop()
Tell the Simulator the calling event should be the last one executed.
Definition: simulator.cc:184
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:72
ns3::TestCase
encapsulates test code
Definition: test.h:1060
ns3::TestCase::QUICK
@ QUICK
Fast test.
Definition: test.h:1065
ns3::TestCase::AddTestCase
void AddTestCase(TestCase *testCase, TestDuration duration=QUICK)
Add an individual child TestCase to this test suite.
Definition: test.cc:301
ns3::TestSuite
A suite of tests to run.
Definition: test.h:1256
ns3::Time
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:105
ns3::Time::GetSeconds
double GetSeconds() const
Get an approximation of the time stored in this instance in the indicated unit.
Definition: nstime.h:402
ns3::TypeId
a unique identifier for an interface.
Definition: type-id.h:59
ns3::TypeId::LookupByName
static TypeId LookupByName(std::string name)
Get a TypeId by name.
Definition: type-id.cc:840
ns3::UdpSocketFactory
API to create UDP socket instances.
Definition: udp-socket-factory.h:42
uint32_t
port
uint16_t port
Definition: dsdv-manet.cc:44
ns3::Config::SetDefault
void SetDefault(std::string name, const AttributeValue &value)
Definition: config.cc:891
NS_LOG_COMPONENT_DEFINE
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:202
NS_LOG_DEBUG
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
Definition: log.h:268
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:144
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:251
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:564
ns3::MicroSeconds
Time MicroSeconds(uint64_t value)
Construct a Time in the indicated unit.
Definition: nstime.h:1360
ns3::Seconds
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1336
g_globalRoutingTestSuite
static Ipv4GlobalRoutingTestSuite g_globalRoutingTestSuite
Static variable for test initialization.
Definition: ipv4-global-routing-test-suite.cc:1341
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:702
second
Definition: second.py:1