A Discrete-Event Network Simulator
API
ipv4-global-routing-test-suite.cc
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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
125class LinkTest : public TestCase
126{
127 public:
128 void DoSetup() override;
129 void DoRun() override;
130 LinkTest();
131
132 private:
133 NodeContainer m_nodes;
134};
135
136LinkTest::LinkTest()
137 : TestCase("Global routing on point-to-point link")
138{
139}
140
141void
142LinkTest::DoSetup()
143{
144 m_nodes.Create(2);
145
146 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
147 SimpleNetDeviceHelper simpleHelper;
148 simpleHelper.SetNetDevicePointToPointMode(true);
149 NetDeviceContainer net = simpleHelper.Install(m_nodes, channel);
150
151 InternetStackHelper internet;
152 // By default, InternetStackHelper adds a static and global routing
153 // implementation. We just want the global for this test.
154 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
155 internet.SetRoutingHelper(ipv4RoutingHelper);
156 internet.Install(m_nodes);
157
158 Ipv4AddressHelper ipv4;
159 ipv4.SetBase("10.1.1.0", "255.255.255.252");
160 Ipv4InterfaceContainer i = ipv4.Assign(net);
161}
162
163void
164LinkTest::DoRun()
165{
166 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
167
168 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
169 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
170 Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get(1)->GetObject<Ipv4L3Protocol>();
171 NS_TEST_ASSERT_MSG_NE(ip1, nullptr, "Error-- no Ipv4 object");
172 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
173 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
174 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
175 Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol();
176 Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject<Ipv4GlobalRouting>();
177 NS_TEST_ASSERT_MSG_NE(globalRouting1, nullptr, "Error-- no Ipv4GlobalRouting object");
178
179 // Test that the right number of routes found
180 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
181 NS_LOG_DEBUG("LinkTest nRoutes0 " << nRoutes0);
182 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 1, "Error-- not one route");
183 Ipv4RoutingTableEntry* route = globalRouting0->GetRoute(0);
184 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
185 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("0.0.0.0"), "Error-- wrong destination");
186 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.2"), "Error-- wrong gateway");
187
188 // Test that the right number of routes found
189 uint32_t nRoutes1 = globalRouting1->GetNRoutes();
190 NS_TEST_ASSERT_MSG_EQ(nRoutes1, 1, "Error-- not one route");
191 NS_LOG_DEBUG("LinkTest nRoutes1 " << nRoutes1);
192 route = globalRouting1->GetRoute(0);
193 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
194 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("0.0.0.0"), "Error-- wrong destination");
195 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.1"), "Error-- wrong gateway");
196
197 bool result = true;
198
199 NS_TEST_ASSERT_MSG_EQ(result, true, "Message");
200 Simulator::Run();
201 Simulator::Destroy();
202}
203
210class LanTest : public TestCase
211{
212 public:
213 void DoSetup() override;
214 void DoRun() override;
215 LanTest();
216
217 private:
218 NodeContainer m_nodes;
219};
220
221LanTest::LanTest()
222 : TestCase("Global routing on broadcast link")
223{
224}
225
226void
227LanTest::DoSetup()
228{
229 m_nodes.Create(2);
230
231 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
232 SimpleNetDeviceHelper simpleHelper;
233 NetDeviceContainer net = simpleHelper.Install(m_nodes, channel);
234
235 InternetStackHelper internet;
236 // By default, InternetStackHelper adds a static and global routing
237 // implementation. We just want the global for this test.
238 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
239 internet.SetRoutingHelper(ipv4RoutingHelper);
240 internet.Install(m_nodes);
241
242 Ipv4AddressHelper ipv4;
243 ipv4.SetBase("10.1.1.0", "255.255.255.0");
244 Ipv4InterfaceContainer i = ipv4.Assign(net);
245}
246
247void
248LanTest::DoRun()
249{
250 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
251
252 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
253 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
254 Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get(1)->GetObject<Ipv4L3Protocol>();
255 NS_TEST_ASSERT_MSG_NE(ip1, nullptr, "Error-- no Ipv4 object");
256 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
257 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
258 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
259 Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol();
260 Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject<Ipv4GlobalRouting>();
261 NS_TEST_ASSERT_MSG_NE(globalRouting1, nullptr, "Error-- no Ipv4GlobalRouting object");
262
263 // Test that the right number of routes found
264 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
265 NS_LOG_DEBUG("LanTest nRoutes0 " << nRoutes0);
266 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 1, "Error-- more than one entry");
267 for (uint32_t i = 0; i < globalRouting0->GetNRoutes(); i++)
268 {
269 Ipv4RoutingTableEntry* route = globalRouting0->GetRoute(i);
270 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
271 }
272
273 // Test that the right number of routes found
274 uint32_t nRoutes1 = globalRouting1->GetNRoutes();
275 NS_LOG_DEBUG("LanTest nRoutes1 " << nRoutes1);
276 NS_TEST_ASSERT_MSG_EQ(nRoutes1, 1, "Error-- more than one entry");
277 for (uint32_t i = 0; i < globalRouting0->GetNRoutes(); i++)
278 {
279 Ipv4RoutingTableEntry* route = globalRouting1->GetRoute(i);
280 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
281 }
282
283 Simulator::Destroy();
284}
285
292class TwoLinkTest : public TestCase
293{
294 public:
295 void DoSetup() override;
296 void DoRun() override;
297 TwoLinkTest();
298
299 private:
300 NodeContainer m_nodes;
301};
302
303TwoLinkTest::TwoLinkTest()
304 : TestCase("Global routing across two hops (point-to-point links)")
305{
306}
307
308void
309TwoLinkTest::DoSetup()
310{
311 m_nodes.Create(3);
312
313 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
314 SimpleNetDeviceHelper simpleHelper;
315 simpleHelper.SetNetDevicePointToPointMode(true);
316 NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
317 net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
318
319 Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
320 SimpleNetDeviceHelper simpleHelper2;
321 simpleHelper2.SetNetDevicePointToPointMode(true);
322 NetDeviceContainer net2 = simpleHelper.Install(m_nodes.Get(1), channel2);
323 net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
324
325 InternetStackHelper internet;
326 // By default, InternetStackHelper adds a static and global routing
327 // implementation. We just want the global for this test.
328 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
329 internet.SetRoutingHelper(ipv4RoutingHelper);
330 internet.Install(m_nodes);
331
332 Ipv4AddressHelper ipv4;
333 ipv4.SetBase("10.1.1.0", "255.255.255.252");
334 Ipv4InterfaceContainer i = ipv4.Assign(net);
335 ipv4.SetBase("10.1.2.0", "255.255.255.252");
336 Ipv4InterfaceContainer i2 = ipv4.Assign(net2);
337}
338
339void
340TwoLinkTest::DoRun()
341{
342 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
343
344 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
345 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
346 Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get(1)->GetObject<Ipv4L3Protocol>();
347 NS_TEST_ASSERT_MSG_NE(ip1, nullptr, "Error-- no Ipv4 object");
348 Ptr<Ipv4L3Protocol> ip2 = m_nodes.Get(2)->GetObject<Ipv4L3Protocol>();
349 NS_TEST_ASSERT_MSG_NE(ip2, nullptr, "Error-- no Ipv4 object");
350 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
351 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
352 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
353 Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol();
354 Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject<Ipv4GlobalRouting>();
355 NS_TEST_ASSERT_MSG_NE(globalRouting1, nullptr, "Error-- no Ipv4GlobalRouting object");
356 Ptr<Ipv4RoutingProtocol> routing2 = ip2->GetRoutingProtocol();
357 Ptr<Ipv4GlobalRouting> globalRouting2 = routing2->GetObject<Ipv4GlobalRouting>();
358 NS_TEST_ASSERT_MSG_NE(globalRouting2, nullptr, "Error-- no Ipv4GlobalRouting object");
359
360 // node n0
361 // Test that the right number of routes found
362 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
363 NS_LOG_DEBUG("TwoLinkTest nRoutes0 " << nRoutes0);
364 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 1, "Error-- wrong number of links");
365
366 Ipv4RoutingTableEntry* route = globalRouting0->GetRoute(0);
367 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
368 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("0.0.0.0"), "Error-- wrong destination");
369 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.2"), "Error-- wrong gateway");
370
371 // node n1
372 // Test that the right number of routes found
373 uint32_t nRoutes1 = globalRouting1->GetNRoutes();
374 NS_LOG_DEBUG("TwoLinkTest nRoutes1 " << nRoutes1);
375 route = globalRouting1->GetRoute(0);
376 NS_LOG_DEBUG("TwoLinkTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
377 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.1.1"), "Error-- wrong destination");
378 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.1"), "Error-- wrong gateway");
379 route = globalRouting1->GetRoute(1);
380 NS_LOG_DEBUG("TwoLinkTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
381 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.2.2"), "Error-- wrong destination");
382 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.2.2"), "Error-- wrong gateway");
383 route = globalRouting1->GetRoute(2);
384 NS_LOG_DEBUG("TwoLinkTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
385 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.1.0"), "Error-- wrong destination");
386 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.1"), "Error-- wrong gateway");
387 route = globalRouting1->GetRoute(3);
388 NS_LOG_DEBUG("TwoLinkTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
389 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.2.0"), "Error-- wrong destination");
390 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.2.2"), "Error-- wrong gateway");
391
392 // node n2
393 // Test that the right number of routes found
394 uint32_t nRoutes2 = globalRouting2->GetNRoutes();
395 NS_LOG_DEBUG("TwoLinkTest nRoutes2 " << nRoutes2);
396 NS_TEST_ASSERT_MSG_EQ(nRoutes2, 1, "Error-- wrong number of links");
397
398 route = globalRouting2->GetRoute(0);
399 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
400 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("0.0.0.0"), "Error-- wrong destination");
401 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.2.1"), "Error-- wrong gateway");
402
403 Simulator::Destroy();
404}
405
412class TwoLanTest : public TestCase
413{
414 public:
415 void DoSetup() override;
416 void DoRun() override;
417 TwoLanTest();
418
419 private:
420 NodeContainer m_nodes;
421};
422
423TwoLanTest::TwoLanTest()
424 : TestCase("Global routing across two hops (broadcast links)")
425{
426}
427
428void
429TwoLanTest::DoSetup()
430{
431 m_nodes.Create(3);
432
433 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
434 SimpleNetDeviceHelper simpleHelper;
435 NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
436 net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
437
438 Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
439 SimpleNetDeviceHelper simpleHelper2;
440 NetDeviceContainer net2 = simpleHelper.Install(m_nodes.Get(1), channel2);
441 net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
442
443 InternetStackHelper internet;
444 // By default, InternetStackHelper adds a static and global routing
445 // implementation. We just want the global for this test.
446 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
447 internet.SetRoutingHelper(ipv4RoutingHelper);
448 internet.Install(m_nodes);
449
450 Ipv4AddressHelper ipv4;
451 ipv4.SetBase("10.1.1.0", "255.255.255.0");
452 Ipv4InterfaceContainer i = ipv4.Assign(net);
453 ipv4.SetBase("10.1.2.0", "255.255.255.0");
454 Ipv4InterfaceContainer i2 = ipv4.Assign(net2);
455}
456
457void
458TwoLanTest::DoRun()
459{
460 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
461
462 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
463 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
464 Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get(1)->GetObject<Ipv4L3Protocol>();
465 NS_TEST_ASSERT_MSG_NE(ip1, nullptr, "Error-- no Ipv4 object");
466 Ptr<Ipv4L3Protocol> ip2 = m_nodes.Get(2)->GetObject<Ipv4L3Protocol>();
467 NS_TEST_ASSERT_MSG_NE(ip2, nullptr, "Error-- no Ipv4 object");
468 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
469 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
470 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
471 Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol();
472 Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject<Ipv4GlobalRouting>();
473 NS_TEST_ASSERT_MSG_NE(globalRouting1, nullptr, "Error-- no Ipv4GlobalRouting object");
474 Ptr<Ipv4RoutingProtocol> routing2 = ip2->GetRoutingProtocol();
475 Ptr<Ipv4GlobalRouting> globalRouting2 = routing2->GetObject<Ipv4GlobalRouting>();
476 NS_TEST_ASSERT_MSG_NE(globalRouting2, nullptr, "Error-- no Ipv4GlobalRouting object");
477
478 // Test that the right number of routes found
479 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
480 NS_LOG_DEBUG("TwoLanTest nRoutes0 " << nRoutes0);
481 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 2, "Error-- not two entries");
482 Ipv4RoutingTableEntry* route = globalRouting0->GetRoute(0);
483 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
484 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.1.0"), "Error-- wrong destination");
485 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("0.0.0.0"), "Error-- wrong gateway");
486 route = globalRouting0->GetRoute(1);
487 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
488 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.2.0"), "Error-- wrong destination");
489 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("10.1.1.2"), "Error-- wrong gateway");
490
491 // Test that the right number of routes found
492 uint32_t nRoutes1 = globalRouting1->GetNRoutes();
493 NS_LOG_DEBUG("TwoLanTest nRoutes1 " << nRoutes1);
494 NS_TEST_ASSERT_MSG_EQ(nRoutes1, 2, "Error-- not two entries");
495 route = globalRouting1->GetRoute(0);
496 NS_LOG_DEBUG("TwoLanTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
497 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.1.0"), "Error-- wrong destination");
498 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("0.0.0.0"), "Error-- wrong gateway");
499 route = globalRouting1->GetRoute(1);
500 NS_LOG_DEBUG("TwoLanTest entry dest " << route->GetDest() << " gw " << route->GetGateway());
501 NS_TEST_ASSERT_MSG_EQ(route->GetDest(), Ipv4Address("10.1.2.0"), "Error-- wrong destination");
502 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(), Ipv4Address("0.0.0.0"), "Error-- wrong gateway");
503
504 Simulator::Destroy();
505}
506
513class BridgeTest : public TestCase
514{
515 public:
516 void DoSetup() override;
517 void DoRun() override;
518 BridgeTest();
519
520 private:
521 NodeContainer m_nodes;
522};
523
524BridgeTest::BridgeTest()
525 : TestCase("Global routing across bridging topology (bug 2102)")
526{
527}
528
529void
530BridgeTest::DoSetup()
531{
532 m_nodes.Create(5);
533
534 // connect node0 to node1
535 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
536 SimpleNetDeviceHelper simpleHelper;
537 NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
538 net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
539
540 NetDeviceContainer bridgeFacingDevices;
541 NetDeviceContainer switchDevices;
542
543 // connect node1 to node2 (switch)
544 Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
545 SimpleNetDeviceHelper simpleHelper2;
546 NetDeviceContainer net2 = simpleHelper2.Install(m_nodes.Get(1), channel2);
547 net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
548 bridgeFacingDevices.Add(net2.Get(0));
549 switchDevices.Add(net2.Get(1));
550
551 // connect node2 (switch) to node3
552 Ptr<SimpleChannel> channel3 = CreateObject<SimpleChannel>();
553 SimpleNetDeviceHelper simpleHelper3;
554 NetDeviceContainer net3 = simpleHelper3.Install(m_nodes.Get(2), channel3);
555 net3.Add(simpleHelper3.Install(m_nodes.Get(3), channel3));
556 bridgeFacingDevices.Add(net3.Get(1));
557 switchDevices.Add(net3.Get(0));
558
559 // connect node3 to node4
560 Ptr<SimpleChannel> channel4 = CreateObject<SimpleChannel>();
561 SimpleNetDeviceHelper simpleHelper4;
562 NetDeviceContainer net4 = simpleHelper4.Install(m_nodes.Get(3), channel4);
563 net4.Add(simpleHelper4.Install(m_nodes.Get(4), channel4));
564
565 Ptr<Node> switchNode = m_nodes.Get(2);
566 BridgeHelper bridge;
567 bridge.Install(switchNode, switchDevices);
568
569 InternetStackHelper internet;
570 // By default, InternetStackHelper adds a static and global routing
571 // implementation. We just want the global for this test.
572 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
573 internet.SetRoutingHelper(ipv4RoutingHelper);
574
575 internet.Install(m_nodes.Get(0));
576 internet.Install(m_nodes.Get(1));
577 // m_nodes.Get (2) is bridge node
578 internet.Install(m_nodes.Get(3));
579 internet.Install(m_nodes.Get(4));
580
581 Ipv4AddressHelper address;
582 address.SetBase("10.1.1.0", "255.255.255.0");
583 address.Assign(net);
584
585 address.SetBase("10.1.2.0", "255.255.255.0");
586 address.Assign(bridgeFacingDevices);
587
588 address.SetBase("10.1.3.0", "255.255.255.0");
589 address.Assign(net4);
590}
591
592void
593BridgeTest::DoRun()
594{
595 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
596
597 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
598 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
599 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
600 NS_TEST_ASSERT_MSG_NE(routing0, nullptr, "Error-- no Ipv4 routing protocol object");
601 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
602 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
603
604 Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get(1)->GetObject<Ipv4L3Protocol>();
605 NS_TEST_ASSERT_MSG_NE(ip1, nullptr, "Error-- no Ipv4 object");
606 Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol();
607 NS_TEST_ASSERT_MSG_NE(routing1, nullptr, "Error-- no Ipv4 routing protocol object");
608 Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject<Ipv4GlobalRouting>();
609 NS_TEST_ASSERT_MSG_NE(globalRouting1, nullptr, "Error-- no Ipv4GlobalRouting object");
610
611 // Skip to n4
612 Ptr<Ipv4L3Protocol> ip4 = m_nodes.Get(4)->GetObject<Ipv4L3Protocol>();
613 NS_TEST_ASSERT_MSG_NE(ip4, nullptr, "Error-- no Ipv4 object");
614 Ptr<Ipv4RoutingProtocol> routing4 = ip4->GetRoutingProtocol();
615 NS_TEST_ASSERT_MSG_NE(routing4, nullptr, "Error-- no Ipv4 routing protocol object");
616 Ptr<Ipv4GlobalRouting> globalRouting4 = routing4->GetObject<Ipv4GlobalRouting>();
617 NS_TEST_ASSERT_MSG_NE(globalRouting4, nullptr, "Error-- no Ipv4GlobalRouting object");
618
619 Ipv4RoutingTableEntry* route = nullptr;
620 // n0
621 // Test that the right number of routes found
622 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
623 NS_LOG_DEBUG("BridgeTest nRoutes0 " << nRoutes0);
624 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 3, "Error-- not three entries");
625 for (uint32_t i = 0; i < globalRouting0->GetNRoutes(); i++)
626 {
627 route = globalRouting0->GetRoute(i);
628 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
629 }
630 // Spot check the last route
631 if (route)
632 {
633 NS_TEST_ASSERT_MSG_EQ(route->GetDest(),
634 Ipv4Address("10.1.3.0"),
635 "Error-- wrong destination");
636 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(),
637 Ipv4Address("10.1.1.2"),
638 "Error-- wrong gateway");
639 }
640
641 // n1
642 // Test that the right number of routes found
643 route = nullptr;
644 uint32_t nRoutes1 = globalRouting1->GetNRoutes();
645 NS_LOG_DEBUG("BridgeTest nRoutes1 " << nRoutes1);
646 NS_TEST_ASSERT_MSG_EQ(nRoutes1, 3, "Error-- not three entries");
647 for (uint32_t i = 0; i < globalRouting1->GetNRoutes(); i++)
648 {
649 route = globalRouting1->GetRoute(i);
650 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
651 }
652 // Spot check the last route
653 if (route)
654 {
655 NS_TEST_ASSERT_MSG_EQ(route->GetDest(),
656 Ipv4Address("10.1.3.0"),
657 "Error-- wrong destination");
658 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(),
659 Ipv4Address("10.1.2.2"),
660 "Error-- wrong gateway");
661 }
662
663 // skip n2 and n3, just verify n4
664 NS_LOG_DEBUG("BridgeTest skip print out of n2 and n3, go next to node n4");
665
666 // n4
667 route = nullptr;
668 // Test that the right number of routes found
669 uint32_t nRoutes4 = globalRouting4->GetNRoutes();
670 NS_LOG_DEBUG("BridgeTest nRoutes4 " << nRoutes4);
671 NS_TEST_ASSERT_MSG_EQ(nRoutes4, 3, "Error-- not three entries");
672 for (uint32_t i = 0; i < globalRouting4->GetNRoutes(); i++)
673 {
674 route = globalRouting4->GetRoute(i);
675 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
676 }
677 // Spot check the last route
678 if (route)
679 {
680 NS_TEST_ASSERT_MSG_EQ(route->GetDest(),
681 Ipv4Address("10.1.1.0"),
682 "Error-- wrong destination");
683 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(),
684 Ipv4Address("10.1.3.1"),
685 "Error-- wrong gateway");
686 }
687
688 Simulator::Destroy();
689}
690
697class TwoBridgeTest : public TestCase
698{
699 public:
700 void DoSetup() override;
701 void DoRun() override;
702 TwoBridgeTest();
703
704 private:
705 NodeContainer m_nodes;
706};
707
708TwoBridgeTest::TwoBridgeTest()
709 : TestCase("Global routing across two bridges")
710{
711}
712
713void
714TwoBridgeTest::DoSetup()
715{
716 m_nodes.Create(5);
717
718 // connect node0 to node1
719 Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
720 SimpleNetDeviceHelper simpleHelper;
721 NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
722 net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
723
724 NetDeviceContainer bridgeFacingDevices;
725 NetDeviceContainer switchn2Devices;
726 NetDeviceContainer switchn3Devices;
727
728 // connect node1 to node2 (switch)
729 Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
730 SimpleNetDeviceHelper simpleHelper2;
731 NetDeviceContainer net2 = simpleHelper2.Install(m_nodes.Get(1), channel2);
732 net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
733 bridgeFacingDevices.Add(net2.Get(0));
734 switchn2Devices.Add(net2.Get(1));
735
736 // connect node2 (switch) to node3
737 Ptr<SimpleChannel> channel3 = CreateObject<SimpleChannel>();
738 SimpleNetDeviceHelper simpleHelper3;
739 NetDeviceContainer net3 = simpleHelper3.Install(m_nodes.Get(2), channel3);
740 net3.Add(simpleHelper3.Install(m_nodes.Get(3), channel3));
741 switchn2Devices.Add(net3.Get(0));
742 switchn3Devices.Add(net3.Get(1));
743
744 // connect node3 to node4
745 Ptr<SimpleChannel> channel4 = CreateObject<SimpleChannel>();
746 SimpleNetDeviceHelper simpleHelper4;
747 NetDeviceContainer net4 = simpleHelper4.Install(m_nodes.Get(3), channel4);
748 net4.Add(simpleHelper4.Install(m_nodes.Get(4), channel4));
749 switchn3Devices.Add(net4.Get(0));
750 bridgeFacingDevices.Add(net4.Get(1));
751
752 Ptr<Node> switchn2Node = m_nodes.Get(2);
753 BridgeHelper bridgen2Helper;
754 bridgen2Helper.Install(switchn2Node, switchn2Devices);
755
756 Ptr<Node> switchn3Node = m_nodes.Get(3);
757 BridgeHelper bridgen3Helper;
758 bridgen3Helper.Install(switchn3Node, switchn3Devices);
759
760 InternetStackHelper internet;
761 // By default, InternetStackHelper adds a static and global routing
762 // implementation. We just want the global for this test.
763 Ipv4GlobalRoutingHelper ipv4RoutingHelper;
764 internet.SetRoutingHelper(ipv4RoutingHelper);
765
766 internet.Install(m_nodes.Get(0));
767 internet.Install(m_nodes.Get(1));
768 // m_nodes.Get (2) is bridge node
769 // m_nodes.Get (3) is bridge node
770 internet.Install(m_nodes.Get(4));
771
772 Ipv4AddressHelper address;
773 address.SetBase("10.1.1.0", "255.255.255.0");
774 address.Assign(net);
775
776 address.SetBase("10.1.2.0", "255.255.255.0");
777 address.Assign(bridgeFacingDevices);
778}
779
780void
781TwoBridgeTest::DoRun()
782{
783 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
784
785 Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get(0)->GetObject<Ipv4L3Protocol>();
786 NS_TEST_ASSERT_MSG_NE(ip0, nullptr, "Error-- no Ipv4 object");
787 Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol();
788 NS_TEST_ASSERT_MSG_NE(routing0, nullptr, "Error-- no Ipv4 routing protocol object");
789 Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject<Ipv4GlobalRouting>();
790 NS_TEST_ASSERT_MSG_NE(globalRouting0, nullptr, "Error-- no Ipv4GlobalRouting object");
791
792 // Skip to n4
793 Ptr<Ipv4L3Protocol> ip4 = m_nodes.Get(4)->GetObject<Ipv4L3Protocol>();
794 NS_TEST_ASSERT_MSG_NE(ip4, nullptr, "Error-- no Ipv4 object");
795 Ptr<Ipv4RoutingProtocol> routing4 = ip4->GetRoutingProtocol();
796 NS_TEST_ASSERT_MSG_NE(routing4, nullptr, "Error-- no Ipv4 routing protocol object");
797 Ptr<Ipv4GlobalRouting> globalRouting4 = routing4->GetObject<Ipv4GlobalRouting>();
798 NS_TEST_ASSERT_MSG_NE(globalRouting4, nullptr, "Error-- no Ipv4GlobalRouting object");
799
800 Ipv4RoutingTableEntry* route = nullptr;
801 // n0
802 // Test that the right number of routes found
803 uint32_t nRoutes0 = globalRouting0->GetNRoutes();
804 NS_LOG_DEBUG("BridgeTest nRoutes0 " << nRoutes0);
805 NS_TEST_ASSERT_MSG_EQ(nRoutes0, 2, "Error-- not two entries");
806 for (uint32_t i = 0; i < globalRouting0->GetNRoutes(); i++)
807 {
808 route = globalRouting0->GetRoute(i);
809 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
810 }
811 // Spot check the last route
812 if (route)
813 {
814 NS_TEST_ASSERT_MSG_EQ(route->GetDest(),
815 Ipv4Address("10.1.2.0"),
816 "Error-- wrong destination");
817 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(),
818 Ipv4Address("10.1.1.2"),
819 "Error-- wrong gateway");
820 }
821 // skip n2 and n3, just verify n4
822 NS_LOG_DEBUG("BridgeTest skip print out of n1-n3, go next to node n4");
823
824 // n4
825 // Test that the right number of routes found
826 route = nullptr;
827 uint32_t nRoutes4 = globalRouting4->GetNRoutes();
828 NS_LOG_DEBUG("BridgeTest nRoutes4 " << nRoutes4);
829 NS_TEST_ASSERT_MSG_EQ(nRoutes4, 2, "Error-- not two entries");
830 for (uint32_t i = 0; i < globalRouting4->GetNRoutes(); i++)
831 {
832 route = globalRouting4->GetRoute(i);
833 NS_LOG_DEBUG("entry dest " << route->GetDest() << " gw " << route->GetGateway());
834 }
835 // Spot check the last route
836 if (route)
837 {
838 NS_TEST_ASSERT_MSG_EQ(route->GetDest(),
839 Ipv4Address("10.1.1.0"),
840 "Error-- wrong destination");
841 NS_TEST_ASSERT_MSG_EQ(route->GetGateway(),
842 Ipv4Address("10.1.2.1"),
843 "Error-- wrong gateway");
844 }
845
846 Simulator::Destroy();
847}
848
855class Ipv4DynamicGlobalRoutingTestCase : public TestCase
856{
857 public:
858 Ipv4DynamicGlobalRoutingTestCase();
859 ~Ipv4DynamicGlobalRoutingTestCase() override;
860
861 private:
866 void SendData(uint8_t index);
867
872 void ShutDownSock(uint8_t index);
873
878 void HandleRead(Ptr<Socket> socket);
879 void DoRun() override;
880
881 uint16_t m_count;
882 std::vector<std::pair<Ptr<Socket>, bool>> m_sendSocks;
883 DataRate m_dataRate;
884 uint16_t m_packetSize;
885 std::vector<uint8_t>
886 m_firstInterface;
887 std::vector<uint8_t>
888 m_secondInterface;
889};
890
891// Add some help text to this case to describe what it is intended to test
892Ipv4DynamicGlobalRoutingTestCase::Ipv4DynamicGlobalRoutingTestCase()
893 : TestCase("Dynamic global routing example"),
894 m_count(0)
895{
896 m_firstInterface.resize(16);
897 m_secondInterface.resize(16);
898 m_dataRate = DataRate("2kbps");
899 m_packetSize = 50;
900}
901
902Ipv4DynamicGlobalRoutingTestCase::~Ipv4DynamicGlobalRoutingTestCase()
903{
904 std::vector<std::pair<Ptr<Socket>, bool>>::iterator iter;
905
906 for (iter = m_sendSocks.begin(); iter != m_sendSocks.end(); iter++)
907 {
908 if (iter->second)
909 {
910 iter->second = false;
911 iter->first->Close();
912 iter->first = nullptr;
913 }
914 }
915}
916
917void
918Ipv4DynamicGlobalRoutingTestCase::HandleRead(Ptr<Socket> socket)
919{
920 Ptr<Packet> packet;
921 Address from;
922 while ((packet = socket->RecvFrom(from)))
923 {
924 if (packet->GetSize() == 0)
925 { // EOF
926 break;
927 }
928 Ipv4PacketInfoTag tag;
929 bool found;
930 found = packet->PeekPacketTag(tag);
931 uint8_t now = static_cast<uint8_t>(Simulator::Now().GetSeconds());
932 if (found)
933 {
934 if (tag.GetRecvIf() == 1)
935 {
936 m_firstInterface[now]++;
937 }
938 if (tag.GetRecvIf() == 2)
939 {
940 m_secondInterface[now]++;
941 }
942 m_count++;
943 }
944 }
945}
946
947void
948Ipv4DynamicGlobalRoutingTestCase::SendData(uint8_t index)
949{
950 if (m_sendSocks[index].second == false)
951 {
952 return;
953 }
954 Ptr<Packet> packet = Create<Packet>(m_packetSize);
955 m_sendSocks[index].first->Send(packet);
956
957 Time tNext(MicroSeconds(m_packetSize * 8 * 1e6 / m_dataRate.GetBitRate()));
958 Simulator::Schedule(tNext, &Ipv4DynamicGlobalRoutingTestCase::SendData, this, index);
959}
960
961void
962Ipv4DynamicGlobalRoutingTestCase::ShutDownSock(uint8_t index)
963{
964 m_sendSocks[index].second = false;
965 m_sendSocks[index].first->Close();
966 m_sendSocks[index].first = nullptr;
967}
968
969// Test derived from examples/routing/dynamic-global-routing.cc
970//
971// Network topology
972//
973// n0
974// \ p-p
975// \ (shared csma/cd)
976// n2 -------------------------n3
977// / | |
978// / p-p n4 n5 ---------- n6
979// n1 p-p
980// | |
981// ----------------------------------------
982// p-p
983//
984// Test that for node n6, the interface facing n5 receives packets at
985// times (1-2), (4-6), (8-10), (11-12), (14-16) and the interface
986// facing n1 receives packets at times (2-4), (6-8), (12-13)
987//
988void
989Ipv4DynamicGlobalRoutingTestCase::DoRun()
990{
991 // The below value configures the default behavior of global routing.
992 // By default, it is disabled. To respond to interface events, set to true
993 Config::SetDefault("ns3::Ipv4GlobalRouting::RespondToInterfaceEvents", BooleanValue(true));
994
995 NodeContainer c;
996 c.Create(7);
997 NodeContainer n0n2 = NodeContainer(c.Get(0), c.Get(2));
998 NodeContainer n1n2 = NodeContainer(c.Get(1), c.Get(2));
999 NodeContainer n5n6 = NodeContainer(c.Get(5), c.Get(6));
1000 NodeContainer n1n6 = NodeContainer(c.Get(1), c.Get(6));
1001 NodeContainer n2345 = NodeContainer(c.Get(2), c.Get(3), c.Get(4), c.Get(5));
1002
1003 InternetStackHelper internet;
1004 internet.Install(c);
1005
1006 // We create the channels first without any IP addressing information
1007 SimpleNetDeviceHelper devHelper;
1008
1009 devHelper.SetNetDevicePointToPointMode(true);
1010 NetDeviceContainer d0d2 = devHelper.Install(n0n2);
1011 devHelper.SetNetDevicePointToPointMode(false);
1012
1013 NetDeviceContainer d1d6 = devHelper.Install(n1n6);
1014 NetDeviceContainer d1d2 = devHelper.Install(n1n2);
1015 NetDeviceContainer d5d6 = devHelper.Install(n5n6);
1016 NetDeviceContainer d2345 = devHelper.Install(n2345);
1017
1018 // Later, we add IP addresses.
1019 Ipv4AddressHelper ipv4;
1020 ipv4.SetBase("10.1.1.0", "255.255.255.0");
1021 ipv4.Assign(d0d2);
1022
1023 ipv4.SetBase("10.1.2.0", "255.255.255.0");
1024 ipv4.Assign(d1d2);
1025
1026 ipv4.SetBase("10.1.3.0", "255.255.255.0");
1027 Ipv4InterfaceContainer i5i6 = ipv4.Assign(d5d6);
1028
1029 ipv4.SetBase("10.250.1.0", "255.255.255.0");
1030 ipv4.Assign(d2345);
1031
1032 ipv4.SetBase("172.16.1.0", "255.255.255.0");
1033 Ipv4InterfaceContainer i1i6 = ipv4.Assign(d1d6);
1034
1035 // Create router nodes, initialize routing database and set up the routing
1036 // tables in the nodes.
1037 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
1038
1039 // Create the applications to send UDP datagrams of size
1040 // 50 bytes at a rate of 2 Kb/s
1041 TypeId tid = TypeId::LookupByName("ns3::UdpSocketFactory");
1042 uint16_t port = 9; // Discard port (RFC 863)
1043
1044 std::pair<Ptr<Socket>, bool> sendSockA;
1045 sendSockA.first = Socket::CreateSocket(c.Get(1), tid);
1046 sendSockA.first->Bind();
1047 sendSockA.first->Connect(InetSocketAddress(i5i6.GetAddress(1), port));
1048 sendSockA.second = true;
1049 m_sendSocks.push_back(sendSockA);
1050 Simulator::Schedule(Seconds(1.0), &Ipv4DynamicGlobalRoutingTestCase::SendData, this, 0);
1051 Simulator::Schedule(Seconds(10.0), &Ipv4DynamicGlobalRoutingTestCase::ShutDownSock, this, 0);
1052
1053 std::pair<Ptr<Socket>, bool> sendSockB;
1054 sendSockB.first = Socket::CreateSocket(c.Get(1), tid);
1055 sendSockB.first->Bind();
1056 sendSockB.first->Connect(InetSocketAddress(i1i6.GetAddress(1), port));
1057 sendSockB.second = true;
1058 m_sendSocks.push_back(sendSockB);
1059 Simulator::Schedule(Seconds(11.0), &Ipv4DynamicGlobalRoutingTestCase::SendData, this, 1);
1060 Simulator::Schedule(Seconds(16.0), &Ipv4DynamicGlobalRoutingTestCase::ShutDownSock, this, 1);
1061
1062 // Create an optional packet sink to receive these packets
1063 Ptr<Socket> sink2 = Socket::CreateSocket(c.Get(6), tid);
1064 sink2->Bind(Address(InetSocketAddress(Ipv4Address::GetAny(), port)));
1065 sink2->Listen();
1066 sink2->ShutdownSend();
1067
1068 sink2->SetRecvPktInfo(true);
1069 sink2->SetRecvCallback(MakeCallback(&Ipv4DynamicGlobalRoutingTestCase::HandleRead, this));
1070
1071 Ptr<Node> n1 = c.Get(1);
1072 Ptr<Ipv4> ipv41 = n1->GetObject<Ipv4>();
1073 // The first ifIndex is 0 for loopback, then the first p2p is numbered 1,
1074 // then the next p2p is numbered 2
1075 uint32_t ipv4ifIndex1 = 2;
1076
1077 Simulator::Schedule(Seconds(2), &Ipv4::SetDown, ipv41, ipv4ifIndex1);
1078 Simulator::Schedule(Seconds(4), &Ipv4::SetUp, ipv41, ipv4ifIndex1);
1079
1080 Ptr<Node> n6 = c.Get(6);
1081 Ptr<Ipv4> ipv46 = n6->GetObject<Ipv4>();
1082 // The first ifIndex is 0 for loopback, then the first p2p is numbered 1,
1083 // then the next p2p is numbered 2
1084 uint32_t ipv4ifIndex6 = 2;
1085 Simulator::Schedule(Seconds(6), &Ipv4::SetDown, ipv46, ipv4ifIndex6);
1086 Simulator::Schedule(Seconds(8), &Ipv4::SetUp, ipv46, ipv4ifIndex6);
1087
1088 Simulator::Schedule(Seconds(12), &Ipv4::SetDown, ipv41, ipv4ifIndex1);
1089 Simulator::Schedule(Seconds(14), &Ipv4::SetUp, ipv41, ipv4ifIndex1);
1090
1091 Simulator::Run();
1092
1093 NS_TEST_ASSERT_MSG_EQ(m_count, 70, "Dynamic global routing did not deliver all packets");
1094 // Test that for node n6, the interface facing n5 receives packets at
1095 // times (1-2), (4-6), (8-10), (11-12), (14-16) and the interface
1096 // facing n1 receives packets at times (2-4), (6-8), (12-13)
1097 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[1],
1098 5,
1099 "Dynamic global routing did not deliver all packets "
1100 << int(m_firstInterface[1]));
1101 NS_TEST_ASSERT_MSG_EQ(m_secondInterface[2],
1102 5,
1103 "Dynamic global routing did not deliver all packets "
1104 << int(m_secondInterface[2]));
1105 NS_TEST_ASSERT_MSG_EQ(m_secondInterface[3],
1106 5,
1107 "Dynamic global routing did not deliver all packets "
1108 << int(m_secondInterface[3]));
1109 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[4],
1110 5,
1111 "Dynamic global routing did not deliver all packets "
1112 << int(m_firstInterface[4]));
1113 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[5],
1114 5,
1115 "Dynamic global routing did not deliver all packets "
1116 << int(m_firstInterface[5]));
1117 NS_TEST_ASSERT_MSG_EQ(m_secondInterface[6],
1118 5,
1119 "Dynamic global routing did not deliver all packets "
1120 << int(m_secondInterface[6]));
1121 NS_TEST_ASSERT_MSG_EQ(m_secondInterface[7],
1122 5,
1123 "Dynamic global routing did not deliver all packets "
1124 << int(m_secondInterface[7]));
1125 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[8],
1126 5,
1127 "Dynamic global routing did not deliver all packets "
1128 << int(m_firstInterface[8]));
1129 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[9],
1130 5,
1131 "Dynamic global routing did not deliver all packets "
1132 << int(m_firstInterface[9]));
1133 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[10],
1134 0,
1135 "Dynamic global routing did not deliver all packets "
1136 << int(m_firstInterface[10]));
1137 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[11],
1138 5,
1139 "Dynamic global routing did not deliver all packets "
1140 << int(m_firstInterface[11]));
1141 NS_TEST_ASSERT_MSG_EQ(m_secondInterface[12],
1142 5,
1143 "Dynamic global routing did not deliver all packets "
1144 << int(m_secondInterface[12]));
1145 NS_TEST_ASSERT_MSG_EQ(m_secondInterface[13],
1146 5,
1147 "Dynamic global routing did not deliver all packets "
1148 << int(m_secondInterface[13]));
1149 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[14],
1150 5,
1151 "Dynamic global routing did not deliver all packets "
1152 << int(m_firstInterface[14]));
1153 NS_TEST_ASSERT_MSG_EQ(m_firstInterface[15],
1154 5,
1155 "Dynamic global routing did not deliver all packets "
1156 << int(m_firstInterface[15]));
1157 Simulator::Destroy();
1158}
1159
1166class Ipv4GlobalRoutingSlash32TestCase : public TestCase
1167{
1168 public:
1169 Ipv4GlobalRoutingSlash32TestCase();
1170 ~Ipv4GlobalRoutingSlash32TestCase() override;
1171
1172 Ptr<Packet> m_receivedPacket;
1173
1178 void ReceivePkt(Ptr<Socket> socket);
1184 void DoSendData(Ptr<Socket> socket, std::string to);
1190 void SendData(Ptr<Socket> socket, std::string to);
1191
1192 private:
1193 void DoRun() override;
1194};
1195
1196// Add some help text to this case to describe what it is intended to test
1197Ipv4GlobalRoutingSlash32TestCase::Ipv4GlobalRoutingSlash32TestCase()
1198 : TestCase("Slash 32 global routing example")
1199{
1200}
1201
1202Ipv4GlobalRoutingSlash32TestCase::~Ipv4GlobalRoutingSlash32TestCase()
1203{
1204}
1205
1206void
1207Ipv4GlobalRoutingSlash32TestCase::ReceivePkt(Ptr<Socket> socket)
1208{
1209 uint32_t availableData [[maybe_unused]] = socket->GetRxAvailable();
1210 m_receivedPacket = socket->Recv(std::numeric_limits<uint32_t>::max(), 0);
1211 NS_TEST_ASSERT_MSG_EQ(availableData,
1212 m_receivedPacket->GetSize(),
1213 "Received packet size is not equal to Rx buffer size");
1214}
1215
1216void
1217Ipv4GlobalRoutingSlash32TestCase::DoSendData(Ptr<Socket> socket, std::string to)
1218{
1219 Address realTo = InetSocketAddress(Ipv4Address(to.c_str()), 1234);
1220 NS_TEST_EXPECT_MSG_EQ(socket->SendTo(Create<Packet>(123), 0, realTo), 123, "100");
1221}
1222
1223void
1224Ipv4GlobalRoutingSlash32TestCase::SendData(Ptr<Socket> socket, std::string to)
1225{
1226 m_receivedPacket = Create<Packet>();
1227 Simulator::ScheduleWithContext(socket->GetNode()->GetId(),
1228 Seconds(60),
1229 &Ipv4GlobalRoutingSlash32TestCase::DoSendData,
1230 this,
1231 socket,
1232 to);
1233 Simulator::Stop(Seconds(66));
1234 Simulator::Run();
1235}
1236
1237// Test program for this 3-router scenario, using global routing
1238//
1239// (a.a.a.a/32)A<--x.x.x.0/30-->B<--y.y.y.0/30-->C(c.c.c.c/32)
1240//
1241void
1242Ipv4GlobalRoutingSlash32TestCase::DoRun()
1243{
1244 Ptr<Node> nA = CreateObject<Node>();
1245 Ptr<Node> nB = CreateObject<Node>();
1246 Ptr<Node> nC = CreateObject<Node>();
1247
1248 NodeContainer c = NodeContainer(nA, nB, nC);
1249
1250 InternetStackHelper internet;
1251 internet.Install(c);
1252
1253 // simple links
1254 NodeContainer nAnB = NodeContainer(nA, nB);
1255 NodeContainer nBnC = NodeContainer(nB, nC);
1256
1257 SimpleNetDeviceHelper devHelper;
1258
1259 Ptr<SimpleNetDevice> deviceA = CreateObject<SimpleNetDevice>();
1260 deviceA->SetAddress(Mac48Address::Allocate());
1261 nA->AddDevice(deviceA);
1262
1263 NetDeviceContainer dAdB = devHelper.Install(nAnB);
1264 NetDeviceContainer dBdC = devHelper.Install(nBnC);
1265
1266 Ptr<SimpleNetDevice> deviceC = CreateObject<SimpleNetDevice>();
1267 deviceC->SetAddress(Mac48Address::Allocate());
1268 nC->AddDevice(deviceC);
1269
1270 // Later, we add IP addresses.
1271 Ipv4AddressHelper ipv4;
1272 ipv4.SetBase("10.1.1.0", "255.255.255.252");
1273 Ipv4InterfaceContainer iAiB = ipv4.Assign(dAdB);
1274
1275 ipv4.SetBase("10.1.1.4", "255.255.255.252");
1276 Ipv4InterfaceContainer iBiC = ipv4.Assign(dBdC);
1277
1278 Ptr<Ipv4> ipv4A = nA->GetObject<Ipv4>();
1279 Ptr<Ipv4> ipv4B = nB->GetObject<Ipv4>();
1280 Ptr<Ipv4> ipv4C = nC->GetObject<Ipv4>();
1281
1282 int32_t ifIndexA = ipv4A->AddInterface(deviceA);
1283 int32_t ifIndexC = ipv4C->AddInterface(deviceC);
1284
1285 Ipv4InterfaceAddress ifInAddrA =
1286 Ipv4InterfaceAddress(Ipv4Address("172.16.1.1"), Ipv4Mask("/32"));
1287 ipv4A->AddAddress(ifIndexA, ifInAddrA);
1288 ipv4A->SetMetric(ifIndexA, 1);
1289 ipv4A->SetUp(ifIndexA);
1290
1291 Ipv4InterfaceAddress ifInAddrC =
1292 Ipv4InterfaceAddress(Ipv4Address("192.168.1.1"), Ipv4Mask("/32"));
1293 ipv4C->AddAddress(ifIndexC, ifInAddrC);
1294 ipv4C->SetMetric(ifIndexC, 1);
1295 ipv4C->SetUp(ifIndexC);
1296
1297 // Create router nodes, initialize routing database and set up the routing
1298 // tables in the nodes.
1299 Ipv4GlobalRoutingHelper::PopulateRoutingTables();
1300
1301 // Create the UDP sockets
1302 Ptr<SocketFactory> rxSocketFactory = nC->GetObject<UdpSocketFactory>();
1303 Ptr<Socket> rxSocket = rxSocketFactory->CreateSocket();
1304 NS_TEST_EXPECT_MSG_EQ(rxSocket->Bind(InetSocketAddress(Ipv4Address("192.168.1.1"), 1234)),
1305 0,
1306 "trivial");
1307 rxSocket->SetRecvCallback(MakeCallback(&Ipv4GlobalRoutingSlash32TestCase::ReceivePkt, this));
1308
1309 Ptr<SocketFactory> txSocketFactory = nA->GetObject<UdpSocketFactory>();
1310 Ptr<Socket> txSocket = txSocketFactory->CreateSocket();
1311 txSocket->SetAllowBroadcast(true);
1312
1313 // ------ Now the tests ------------
1314
1315 // Unicast test
1316 SendData(txSocket, "192.168.1.1");
1317 NS_TEST_EXPECT_MSG_EQ(m_receivedPacket->GetSize(),
1318 123,
1319 "Static routing with /32 did not deliver all packets.");
1320
1321 Simulator::Destroy();
1322}
1323
1330class Ipv4GlobalRoutingTestSuite : public TestSuite
1331{
1332 public:
1333 Ipv4GlobalRoutingTestSuite();
1334};
1335
1336Ipv4GlobalRoutingTestSuite::Ipv4GlobalRoutingTestSuite()
1337 : TestSuite("ipv4-global-routing", UNIT)
1338{
1339 AddTestCase(new LinkTest, TestCase::QUICK);
1340 AddTestCase(new LanTest, TestCase::QUICK);
1341 AddTestCase(new TwoLinkTest, TestCase::QUICK);
1342 AddTestCase(new TwoLanTest, TestCase::QUICK);
1343 AddTestCase(new BridgeTest, TestCase::QUICK);
1344 AddTestCase(new TwoBridgeTest, TestCase::QUICK);
1345 AddTestCase(new Ipv4DynamicGlobalRoutingTestCase, TestCase::QUICK);
1346 AddTestCase(new Ipv4GlobalRoutingSlash32TestCase, TestCase::QUICK);
1347}
1348
1349static Ipv4GlobalRoutingTestSuite
1350 g_globalRoutingTestSuite;
max
#define max(a, b)
Definition: 80211b.c:43
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:514
BridgeTest::DoSetup
void DoSetup() override
Implementation to do any local setup required for this TestCase.
Definition: ipv4-global-routing-test-suite.cc:530
BridgeTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:593
BridgeTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: ipv4-global-routing-test-suite.cc:521
Ipv4DynamicGlobalRoutingTestCase::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:989
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:888
Ipv4DynamicGlobalRoutingTestCase::HandleRead
void HandleRead(Ptr< Socket > socket)
Handle an incoming packet.
Definition: ipv4-global-routing-test-suite.cc:918
Ipv4DynamicGlobalRoutingTestCase::m_count
uint16_t m_count
Number of packets received.
Definition: ipv4-global-routing-test-suite.cc:881
Ipv4DynamicGlobalRoutingTestCase::m_sendSocks
std::vector< std::pair< Ptr< Socket >, bool > > m_sendSocks
Sending sockets.
Definition: ipv4-global-routing-test-suite.cc:882
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:886
Ipv4DynamicGlobalRoutingTestCase::ShutDownSock
void ShutDownSock(uint8_t index)
Shutdown a socket.
Definition: ipv4-global-routing-test-suite.cc:962
Ipv4DynamicGlobalRoutingTestCase::SendData
void SendData(uint8_t index)
Send some data.
Definition: ipv4-global-routing-test-suite.cc:948
Ipv4GlobalRoutingSlash32TestCase
IPv4 Dynamic GlobalRouting /32 test.
Definition: ipv4-global-routing-test-suite.cc:1167
Ipv4GlobalRoutingSlash32TestCase::ReceivePkt
void ReceivePkt(Ptr< Socket > socket)
Receive a packet.
Definition: ipv4-global-routing-test-suite.cc:1207
Ipv4GlobalRoutingSlash32TestCase::SendData
void SendData(Ptr< Socket > socket, std::string to)
Send a packet.
Definition: ipv4-global-routing-test-suite.cc:1224
Ipv4GlobalRoutingSlash32TestCase::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:1242
Ipv4GlobalRoutingSlash32TestCase::DoSendData
void DoSendData(Ptr< Socket > socket, std::string to)
Send a packet.
Definition: ipv4-global-routing-test-suite.cc:1217
Ipv4GlobalRoutingSlash32TestCase::m_receivedPacket
Ptr< Packet > m_receivedPacket
number of received packets
Definition: ipv4-global-routing-test-suite.cc:1172
LanTest
IPv4 GlobalRouting LAN test.
Definition: ipv4-global-routing-test-suite.cc:211
LanTest::DoSetup
void DoSetup() override
Implementation to do any local setup required for this TestCase.
Definition: ipv4-global-routing-test-suite.cc:227
LanTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:248
LanTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: ipv4-global-routing-test-suite.cc:218
TwoBridgeTest
IPv4 GlobalRouting Two bridges test.
Definition: ipv4-global-routing-test-suite.cc:698
TwoBridgeTest::DoSetup
void DoSetup() override
Implementation to do any local setup required for this TestCase.
Definition: ipv4-global-routing-test-suite.cc:714
TwoBridgeTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:781
TwoBridgeTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: ipv4-global-routing-test-suite.cc:705
TwoLanTest
IPv4 GlobalRouting Two LAN test.
Definition: ipv4-global-routing-test-suite.cc:413
TwoLanTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: ipv4-global-routing-test-suite.cc:420
TwoLanTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:458
TwoLanTest::DoSetup
void DoSetup() override
Implementation to do any local setup required for this TestCase.
Definition: ipv4-global-routing-test-suite.cc:429
int32_t
ns3::Address
a polymophic address class
Definition: address.h:92
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:90
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::InternetStackHelper::Install
void Install(std::string nodeName) const
Aggregate implementations of the ns3::Ipv4, ns3::Ipv6, ns3::Udp, and ns3::Tcp classes onto the provid...
Definition: internet-stack-helper.cc:376
ns3::InternetStackHelper::SetRoutingHelper
void SetRoutingHelper(const Ipv4RoutingHelper &routing)
Definition: internet-stack-helper.cc:187
ns3::Ipv4AddressHelper
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
Definition: ipv4-address-helper.h:49
ns3::Ipv4AddressHelper::SetBase
void SetBase(Ipv4Address network, Ipv4Mask mask, Ipv4Address base="0.0.0.1")
Set the base network number, network mask and base address.
Definition: ipv4-address-helper.cc:64
ns3::Ipv4AddressHelper::Assign
Ipv4InterfaceContainer Assign(const NetDeviceContainer &c)
Assign IP addresses to the net devices specified in the container based on the current network prefix...
Definition: ipv4-address-helper.cc:132
ns3::Ipv4Address
Ipv4 addresses are stored in host order in this class.
Definition: ipv4-address.h:43
ns3::Ipv4GlobalRoutingHelper
Helper class that adds ns3::Ipv4GlobalRouting objects.
Definition: ipv4-global-routing-helper.h:34
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::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:258
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:113
ns3::Ipv4RoutingTableEntry::GetGateway
Ipv4Address GetGateway() const
Definition: ipv4-routing-table-entry.cc:169
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::Node::AddDevice
uint32_t AddDevice(Ptr< NetDevice > device)
Associate a NetDevice to this node.
Definition: node.cc:138
ns3::Node::GetId
uint32_t GetId() const
Definition: node.cc:117
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:863
ns3::Packet::PeekPacketTag
bool PeekPacketTag(Tag &tag) const
Search a matching tag and call Tag::Deserialize if it is found.
Definition: packet.cc:1002
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::Socket::RecvFrom
virtual Ptr< Packet > RecvFrom(uint32_t maxSize, uint32_t flags, Address &fromAddress)=0
Read a single packet from the socket and retrieve the sender address.
ns3::Socket::SetRecvPktInfo
void SetRecvPktInfo(bool flag)
Enable/Disable receive packet information to socket.
Definition: socket.cc:352
ns3::Socket::GetRxAvailable
virtual uint32_t GetRxAvailable() const =0
Return number of bytes which can be returned from one or multiple calls to Recv.
ns3::Socket::ShutdownSend
virtual int ShutdownSend()=0
ns3::Socket::SetRecvCallback
void SetRecvCallback(Callback< void, Ptr< Socket > > receivedData)
Notify application when new data is available to be read.
Definition: socket.cc:126
ns3::Socket::Recv
virtual Ptr< Packet > Recv(uint32_t maxSize, uint32_t flags)=0
Read data from the socket.
ns3::Socket::Bind
virtual int Bind(const Address &address)=0
Allocate a local endpoint for this socket.
ns3::Socket::GetNode
virtual Ptr< Node > GetNode() const =0
Return the node this socket is associated with.
ns3::Socket::Listen
virtual int Listen()=0
Listen for incoming connections.
ns3::Socket::SendTo
virtual int SendTo(Ptr< Packet > p, uint32_t flags, const Address &toAddress)=0
Send data to a specified peer.
ns3::TestCase
encapsulates test code
Definition: test.h:1060
ns3::TestCase::AddTestCase
void AddTestCase(TestCase *testCase, TestDuration duration=QUICK)
Add an individual child TestCase to this test suite.
Definition: test.cc:305
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:60
ns3::UdpSocketFactory
API to create UDP socket instances.
Definition: udp-socket-factory.h:42
uint32_t
port
uint16_t port
Definition: dsdv-manet.cc:45
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
ns3::TracedValueCallback::DataRate
void(* DataRate)(DataRate oldValue, DataRate newValue)
TracedValue callback signature for DataRate.
Definition: data-rate.h:328
ns3::Now
Time Now()
create an ns3::Time instance which contains the current simulation time.
Definition: simulator.cc:296
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:1362
ns3::Seconds
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1338
g_globalRoutingTestSuite
static Ipv4GlobalRoutingTestSuite g_globalRoutingTestSuite
Static variable for test initialization.
Definition: ipv4-global-routing-test-suite.cc:1350
first.address
address
Definition: first.py:40
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:691
second
Definition: second.py:1
third.channel
channel
Definition: third.py:81
SetUp
void SetUp(char *deviceName)
Definition: tap-device-creator.cc:198