A Discrete-Event Network Simulator
API
ipv4-global-routing-test-suite.cc
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16 
17 #include <vector>
18 #include "ns3/boolean.h"
19 #include "ns3/config.h"
20 #include "ns3/inet-socket-address.h"
21 #include "ns3/internet-stack-helper.h"
22 #include "ns3/ipv4-address-helper.h"
23 #include "ns3/ipv4-global-routing-helper.h"
24 #include "ns3/ipv4-static-routing-helper.h"
25 #include "ns3/node.h"
26 #include "ns3/log.h"
27 #include "ns3/node-container.h"
28 #include "ns3/packet.h"
29 #include "ns3/simple-net-device-helper.h"
30 #include "ns3/pointer.h"
31 #include "ns3/simulator.h"
32 #include "ns3/string.h"
33 #include "ns3/test.h"
34 #include "ns3/uinteger.h"
35 #include "ns3/ipv4-packet-info-tag.h"
36 #include "ns3/simple-net-device.h"
37 #include "ns3/simple-channel.h"
38 #include "ns3/socket-factory.h"
39 #include "ns3/udp-socket-factory.h"
40 #include "ns3/ipv4-l3-protocol.h"
41 #include "ns3/ipv4-routing-protocol.h"
42 #include "ns3/ipv4-routing-table-entry.h"
43 #include "ns3/ipv4-global-routing.h"
44 #include "ns3/bridge-helper.h"
45 
46 using namespace ns3;
47 
48 NS_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 
119 
120 class LinkTest : public TestCase
121 {
122 public:
123  virtual void DoSetup (void);
124  virtual void DoRun (void);
125  LinkTest ();
126 private:
127  NodeContainer m_nodes;
128 };
129 
130 LinkTest::LinkTest ()
131  : TestCase ("Global routing on point-to-point link")
132 {
133 }
134 
135 void
136 LinkTest::DoSetup ()
137 {
138  m_nodes.Create (2);
139 
140  Ptr<SimpleChannel> channel = CreateObject <SimpleChannel> ();
141  SimpleNetDeviceHelper simpleHelper;
142  simpleHelper.SetNetDevicePointToPointMode (true);
143  NetDeviceContainer net = simpleHelper.Install (m_nodes, channel);
144 
145  InternetStackHelper internet;
146  // By default, InternetStackHelper adds a static and global routing
147  // implementation. We just want the global for this test.
148  Ipv4GlobalRoutingHelper ipv4RoutingHelper;
149  internet.SetRoutingHelper (ipv4RoutingHelper);
150  internet.Install (m_nodes);
151 
152  Ipv4AddressHelper ipv4;
153  ipv4.SetBase ("10.1.1.0", "255.255.255.252");
154  Ipv4InterfaceContainer i = ipv4.Assign (net);
155 }
156 
157 void
158 LinkTest::DoRun ()
159 {
160  Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
161 
162  Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get (0)->GetObject<Ipv4L3Protocol> ();
163  NS_TEST_ASSERT_MSG_NE (ip0, 0, "Error-- no Ipv4 object");
164  Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get (1)->GetObject<Ipv4L3Protocol> ();
165  NS_TEST_ASSERT_MSG_NE (ip1, 0, "Error-- no Ipv4 object");
166  Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol ();
167  Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject <Ipv4GlobalRouting> ();
168  NS_TEST_ASSERT_MSG_NE (globalRouting0, 0, "Error-- no Ipv4GlobalRouting object");
169  Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol ();
170  Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject <Ipv4GlobalRouting> ();
171  NS_TEST_ASSERT_MSG_NE (globalRouting1, 0, "Error-- no Ipv4GlobalRouting object");
172 
173  // Test that the right number of routes found
174  uint32_t nRoutes0 = globalRouting0->GetNRoutes ();
175  NS_LOG_DEBUG ("LinkTest nRoutes0 " << nRoutes0);
176  NS_TEST_ASSERT_MSG_EQ (nRoutes0, 1, "Error-- not one route");
177  Ipv4RoutingTableEntry* route = globalRouting0->GetRoute (0);
178  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
179  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("0.0.0.0"), "Error-- wrong destination");
180  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.1.2"), "Error-- wrong gateway");
181 
182  // Test that the right number of routes found
183  uint32_t nRoutes1 = globalRouting1->GetNRoutes ();
184  NS_TEST_ASSERT_MSG_EQ (nRoutes1, 1, "Error-- not one route");
185  NS_LOG_DEBUG ("LinkTest nRoutes1 " << nRoutes1);
186  route = globalRouting1->GetRoute (0);
187  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
188  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("0.0.0.0"), "Error-- wrong destination");
189  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.1.1"), "Error-- wrong gateway");
190 
191  bool result = true;
192 
193  NS_TEST_ASSERT_MSG_EQ (result, true, "Message");
194  Simulator::Run ();
195  Simulator::Destroy ();
196 }
197 
198 class LanTest : public TestCase
199 {
200 public:
201  virtual void DoSetup (void);
202  virtual void DoRun (void);
203  LanTest ();
204 private:
205  NodeContainer m_nodes;
206 };
207 
208 LanTest::LanTest ()
209  : TestCase ("Global routing on broadcast link")
210 {
211 }
212 
213 void
214 LanTest::DoSetup ()
215 {
216  m_nodes.Create (2);
217 
218  Ptr<SimpleChannel> channel = CreateObject <SimpleChannel> ();
219  SimpleNetDeviceHelper simpleHelper;
220  NetDeviceContainer net = simpleHelper.Install (m_nodes, channel);
221 
222  InternetStackHelper internet;
223  // By default, InternetStackHelper adds a static and global routing
224  // implementation. We just want the global for this test.
225  Ipv4GlobalRoutingHelper ipv4RoutingHelper;
226  internet.SetRoutingHelper (ipv4RoutingHelper);
227  internet.Install (m_nodes);
228 
229  Ipv4AddressHelper ipv4;
230  ipv4.SetBase ("10.1.1.0", "255.255.255.0");
231  Ipv4InterfaceContainer i = ipv4.Assign (net);
232 }
233 
234 void
235 LanTest::DoRun ()
236 {
237  Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
238 
239  Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get (0)->GetObject<Ipv4L3Protocol> ();
240  NS_TEST_ASSERT_MSG_NE (ip0, 0, "Error-- no Ipv4 object");
241  Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get (1)->GetObject<Ipv4L3Protocol> ();
242  NS_TEST_ASSERT_MSG_NE (ip1, 0, "Error-- no Ipv4 object");
243  Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol ();
244  Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject <Ipv4GlobalRouting> ();
245  NS_TEST_ASSERT_MSG_NE (globalRouting0, 0, "Error-- no Ipv4GlobalRouting object");
246  Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol ();
247  Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject <Ipv4GlobalRouting> ();
248  NS_TEST_ASSERT_MSG_NE (globalRouting1, 0, "Error-- no Ipv4GlobalRouting object");
249 
250  // Test that the right number of routes found
251  uint32_t nRoutes0 = globalRouting0->GetNRoutes ();
252  NS_LOG_DEBUG ("LanTest nRoutes0 " << nRoutes0);
253  NS_TEST_ASSERT_MSG_EQ (nRoutes0, 1, "Error-- more than one entry");
254  for (uint32_t i = 0; i < globalRouting0->GetNRoutes (); i++)
255  {
256  Ipv4RoutingTableEntry* route = globalRouting0->GetRoute (i);
257  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
258  }
259 
260  // Test that the right number of routes found
261  uint32_t nRoutes1 = globalRouting1->GetNRoutes ();
262  NS_LOG_DEBUG ("LanTest nRoutes1 " << nRoutes1);
263  NS_TEST_ASSERT_MSG_EQ (nRoutes1, 1, "Error-- more than one entry");
264  for (uint32_t i = 0; i < globalRouting0->GetNRoutes (); i++)
265  {
266  Ipv4RoutingTableEntry* route = globalRouting1->GetRoute (i);
267  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
268  }
269 
270  Simulator::Destroy ();
271 }
272 
273 class TwoLinkTest : public TestCase
274 {
275 public:
276  virtual void DoSetup (void);
277  virtual void DoRun (void);
278  TwoLinkTest ();
279 private:
280  NodeContainer m_nodes;
281 };
282 
283 TwoLinkTest::TwoLinkTest ()
284  : TestCase ("Global routing across two hops (point-to-point links)")
285 {
286 }
287 
288 void
289 TwoLinkTest::DoSetup ()
290 {
291  m_nodes.Create (3);
292 
293  Ptr<SimpleChannel> channel = CreateObject <SimpleChannel> ();
294  SimpleNetDeviceHelper simpleHelper;
295  simpleHelper.SetNetDevicePointToPointMode (true);
296  NetDeviceContainer net = simpleHelper.Install (m_nodes.Get (0), channel);
297  net.Add (simpleHelper.Install (m_nodes.Get (1), channel));
298 
299  Ptr<SimpleChannel> channel2 = CreateObject <SimpleChannel> ();
300  SimpleNetDeviceHelper simpleHelper2;
301  simpleHelper2.SetNetDevicePointToPointMode (true);
302  NetDeviceContainer net2 = simpleHelper.Install (m_nodes.Get (1), channel2);
303  net2.Add (simpleHelper2.Install (m_nodes.Get (2), channel2));
304 
305  InternetStackHelper internet;
306  // By default, InternetStackHelper adds a static and global routing
307  // implementation. We just want the global for this test.
308  Ipv4GlobalRoutingHelper ipv4RoutingHelper;
309  internet.SetRoutingHelper (ipv4RoutingHelper);
310  internet.Install (m_nodes);
311 
312  Ipv4AddressHelper ipv4;
313  ipv4.SetBase ("10.1.1.0", "255.255.255.252");
314  Ipv4InterfaceContainer i = ipv4.Assign (net);
315  ipv4.SetBase ("10.1.2.0", "255.255.255.252");
316  Ipv4InterfaceContainer i2 = ipv4.Assign (net2);
317 }
318 
319 void
320 TwoLinkTest::DoRun ()
321 {
322  Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
323 
324  Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get (0)->GetObject<Ipv4L3Protocol> ();
325  NS_TEST_ASSERT_MSG_NE (ip0, 0, "Error-- no Ipv4 object");
326  Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get (1)->GetObject<Ipv4L3Protocol> ();
327  NS_TEST_ASSERT_MSG_NE (ip1, 0, "Error-- no Ipv4 object");
328  Ptr<Ipv4L3Protocol> ip2 = m_nodes.Get (2)->GetObject<Ipv4L3Protocol> ();
329  NS_TEST_ASSERT_MSG_NE (ip2, 0, "Error-- no Ipv4 object");
330  Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol ();
331  Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject <Ipv4GlobalRouting> ();
332  NS_TEST_ASSERT_MSG_NE (globalRouting0, 0, "Error-- no Ipv4GlobalRouting object");
333  Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol ();
334  Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject <Ipv4GlobalRouting> ();
335  NS_TEST_ASSERT_MSG_NE (globalRouting1, 0, "Error-- no Ipv4GlobalRouting object");
336  Ptr<Ipv4RoutingProtocol> routing2 = ip2->GetRoutingProtocol ();
337  Ptr<Ipv4GlobalRouting> globalRouting2 = routing2->GetObject <Ipv4GlobalRouting> ();
338  NS_TEST_ASSERT_MSG_NE (globalRouting2, 0, "Error-- no Ipv4GlobalRouting object");
339 
340  // node n0
341  // Test that the right number of routes found
342  uint32_t nRoutes0 = globalRouting0->GetNRoutes ();
343  NS_LOG_DEBUG ("TwoLinkTest nRoutes0 " << nRoutes0);
344  NS_TEST_ASSERT_MSG_EQ (nRoutes0, 1, "Error-- wrong number of links");
345 
346  Ipv4RoutingTableEntry* route = globalRouting0->GetRoute (0);
347  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
348  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("0.0.0.0"), "Error-- wrong destination");
349  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.1.2"), "Error-- wrong gateway");
350 
351  // node n1
352  // Test that the right number of routes found
353  uint32_t nRoutes1 = globalRouting1->GetNRoutes ();
354  NS_LOG_DEBUG ("TwoLinkTest nRoutes1 " << nRoutes1);
355  route = globalRouting1->GetRoute (0);
356  NS_LOG_DEBUG ("TwoLinkTest entry dest " << route->GetDest () << " gw " << route->GetGateway ());
357  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.1.1"), "Error-- wrong destination");
358  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.1.1"), "Error-- wrong gateway");
359  route = globalRouting1->GetRoute (1);
360  NS_LOG_DEBUG ("TwoLinkTest entry dest " << route->GetDest () << " gw " << route->GetGateway ());
361  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.2.2"), "Error-- wrong destination");
362  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.2.2"), "Error-- wrong gateway");
363  route = globalRouting1->GetRoute (2);
364  NS_LOG_DEBUG ("TwoLinkTest entry dest " << route->GetDest () << " gw " << route->GetGateway ());
365  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.1.0"), "Error-- wrong destination");
366  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.1.1"), "Error-- wrong gateway");
367  route = globalRouting1->GetRoute (3);
368  NS_LOG_DEBUG ("TwoLinkTest entry dest " << route->GetDest () << " gw " << route->GetGateway ());
369  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.2.0"), "Error-- wrong destination");
370  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.2.2"), "Error-- wrong gateway");
371 
372  // node n2
373  // Test that the right number of routes found
374  uint32_t nRoutes2 = globalRouting2->GetNRoutes ();
375  NS_LOG_DEBUG ("TwoLinkTest nRoutes2 " << nRoutes2);
376  NS_TEST_ASSERT_MSG_EQ (nRoutes2, 1, "Error-- wrong number of links");
377 
378  route = globalRouting2->GetRoute (0);
379  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
380  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("0.0.0.0"), "Error-- wrong destination");
381  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.2.1"), "Error-- wrong gateway");
382 
383  Simulator::Destroy ();
384 }
385 
386 class TwoLanTest : public TestCase
387 {
388 public:
389  virtual void DoSetup (void);
390  virtual void DoRun (void);
391  TwoLanTest ();
392 private:
393  NodeContainer m_nodes;
394 };
395 
396 TwoLanTest::TwoLanTest ()
397  : TestCase ("Global routing across two hops (broadcast links)")
398 {
399 }
400 
401 void
402 TwoLanTest::DoSetup ()
403 {
404  m_nodes.Create (3);
405 
406  Ptr<SimpleChannel> channel = CreateObject <SimpleChannel> ();
407  SimpleNetDeviceHelper simpleHelper;
408  NetDeviceContainer net = simpleHelper.Install (m_nodes.Get (0), channel);
409  net.Add (simpleHelper.Install (m_nodes.Get (1), channel));
410 
411  Ptr<SimpleChannel> channel2 = CreateObject <SimpleChannel> ();
412  SimpleNetDeviceHelper simpleHelper2;
413  NetDeviceContainer net2 = simpleHelper.Install (m_nodes.Get (1), channel2);
414  net2.Add (simpleHelper2.Install (m_nodes.Get (2), channel2));
415 
416  InternetStackHelper internet;
417  // By default, InternetStackHelper adds a static and global routing
418  // implementation. We just want the global for this test.
419  Ipv4GlobalRoutingHelper ipv4RoutingHelper;
420  internet.SetRoutingHelper (ipv4RoutingHelper);
421  internet.Install (m_nodes);
422 
423  Ipv4AddressHelper ipv4;
424  ipv4.SetBase ("10.1.1.0", "255.255.255.0");
425  Ipv4InterfaceContainer i = ipv4.Assign (net);
426  ipv4.SetBase ("10.1.2.0", "255.255.255.0");
427  Ipv4InterfaceContainer i2 = ipv4.Assign (net2);
428 }
429 
430 void
431 TwoLanTest::DoRun ()
432 {
433  Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
434 
435  Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get (0)->GetObject<Ipv4L3Protocol> ();
436  NS_TEST_ASSERT_MSG_NE (ip0, 0, "Error-- no Ipv4 object");
437  Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get (1)->GetObject<Ipv4L3Protocol> ();
438  NS_TEST_ASSERT_MSG_NE (ip1, 0, "Error-- no Ipv4 object");
439  Ptr<Ipv4L3Protocol> ip2 = m_nodes.Get (2)->GetObject<Ipv4L3Protocol> ();
440  NS_TEST_ASSERT_MSG_NE (ip2, 0, "Error-- no Ipv4 object");
441  Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol ();
442  Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject <Ipv4GlobalRouting> ();
443  NS_TEST_ASSERT_MSG_NE (globalRouting0, 0, "Error-- no Ipv4GlobalRouting object");
444  Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol ();
445  Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject <Ipv4GlobalRouting> ();
446  NS_TEST_ASSERT_MSG_NE (globalRouting1, 0, "Error-- no Ipv4GlobalRouting object");
447  Ptr<Ipv4RoutingProtocol> routing2 = ip2->GetRoutingProtocol ();
448  Ptr<Ipv4GlobalRouting> globalRouting2 = routing2->GetObject <Ipv4GlobalRouting> ();
449  NS_TEST_ASSERT_MSG_NE (globalRouting2, 0, "Error-- no Ipv4GlobalRouting object");
450 
451  // Test that the right number of routes found
452  uint32_t nRoutes0 = globalRouting0->GetNRoutes ();
453  NS_LOG_DEBUG ("TwoLanTest nRoutes0 " << nRoutes0);
454  NS_TEST_ASSERT_MSG_EQ (nRoutes0, 2, "Error-- not two entries");
455  Ipv4RoutingTableEntry* route = globalRouting0->GetRoute (0);
456  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
457  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.1.0"), "Error-- wrong destination");
458  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("0.0.0.0"), "Error-- wrong gateway");
459  route = globalRouting0->GetRoute (1);
460  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
461  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.2.0"), "Error-- wrong destination");
462  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.1.2"), "Error-- wrong gateway");
463 
464  // Test that the right number of routes found
465  uint32_t nRoutes1 = globalRouting1->GetNRoutes ();
466  NS_LOG_DEBUG ("TwoLanTest nRoutes1 " << nRoutes1);
467  NS_TEST_ASSERT_MSG_EQ (nRoutes1, 2, "Error-- not two entries");
468  route = globalRouting1->GetRoute (0);
469  NS_LOG_DEBUG ("TwoLanTest entry dest " << route->GetDest () << " gw " << route->GetGateway ());
470  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.1.0"), "Error-- wrong destination");
471  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("0.0.0.0"), "Error-- wrong gateway");
472  route = globalRouting1->GetRoute (1);
473  NS_LOG_DEBUG ("TwoLanTest entry dest " << route->GetDest () << " gw " << route->GetGateway ());
474  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.2.0"), "Error-- wrong destination");
475  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("0.0.0.0"), "Error-- wrong gateway");
476 
477  Simulator::Destroy ();
478 }
479 
480 class BridgeTest : public TestCase
481 {
482 public:
483  virtual void DoSetup (void);
484  virtual void DoRun (void);
485  BridgeTest ();
486 private:
487  NodeContainer m_nodes;
488 };
489 
490 BridgeTest::BridgeTest ()
491  : TestCase ("Global routing across bridging topology (bug 2102)")
492 {
493 }
494 
495 void
496 BridgeTest::DoSetup ()
497 {
498  m_nodes.Create (5);
499 
500  //connect node0 to node1
501  Ptr<SimpleChannel> channel = CreateObject <SimpleChannel> ();
502  SimpleNetDeviceHelper simpleHelper;
503  NetDeviceContainer net = simpleHelper.Install (m_nodes.Get (0), channel);
504  net.Add (simpleHelper.Install (m_nodes.Get (1), channel));
505 
506  NetDeviceContainer bridgeFacingDevices;
507  NetDeviceContainer switchDevices;
508 
509  //connect node1 to node2 (switch)
510  Ptr<SimpleChannel> channel2 = CreateObject <SimpleChannel> ();
511  SimpleNetDeviceHelper simpleHelper2;
512  NetDeviceContainer net2 = simpleHelper2.Install (m_nodes.Get (1), channel2);
513  net2.Add (simpleHelper2.Install (m_nodes.Get (2), channel2));
514  bridgeFacingDevices.Add (net2.Get (0));
515  switchDevices.Add (net2.Get (1));
516 
517  //connect node2 (switch) to node3
518  Ptr<SimpleChannel> channel3 = CreateObject <SimpleChannel> ();
519  SimpleNetDeviceHelper simpleHelper3;
520  NetDeviceContainer net3 = simpleHelper3.Install (m_nodes.Get (2), channel3);
521  net3.Add (simpleHelper3.Install (m_nodes.Get (3), channel3));
522  bridgeFacingDevices.Add (net3.Get (1));
523  switchDevices.Add (net3.Get (0));
524 
525  //connect node3 to node4
526  Ptr<SimpleChannel> channel4 = CreateObject <SimpleChannel> ();
527  SimpleNetDeviceHelper simpleHelper4;
528  NetDeviceContainer net4 = simpleHelper4.Install (m_nodes.Get (3), channel4);
529  net4.Add (simpleHelper4.Install (m_nodes.Get (4), channel4));
530 
531  Ptr<Node> switchNode = m_nodes.Get (2);
532  BridgeHelper bridge;
533  bridge.Install (switchNode, switchDevices);
534 
535  InternetStackHelper internet;
536  // By default, InternetStackHelper adds a static and global routing
537  // implementation. We just want the global for this test.
538  Ipv4GlobalRoutingHelper ipv4RoutingHelper;
539  internet.SetRoutingHelper (ipv4RoutingHelper);
540 
541  internet.Install (m_nodes.Get (0));
542  internet.Install (m_nodes.Get (1));
543  // m_nodes.Get (2) is bridge node
544  internet.Install (m_nodes.Get (3));
545  internet.Install (m_nodes.Get (4));
546 
547  Ipv4AddressHelper address;
548  address.SetBase ("10.1.1.0", "255.255.255.0");
549  address.Assign (net);
550 
551  address.SetBase ("10.1.2.0", "255.255.255.0");
552  address.Assign (bridgeFacingDevices);
553 
554  address.SetBase ("10.1.3.0", "255.255.255.0");
555  address.Assign (net4);
556 
557 }
558 
559 void
560 BridgeTest::DoRun ()
561 {
562  Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
563 
564  Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get (0)->GetObject<Ipv4L3Protocol> ();
565  NS_TEST_ASSERT_MSG_NE (ip0, 0, "Error-- no Ipv4 object");
566  Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol ();
567  NS_TEST_ASSERT_MSG_NE (routing0, 0, "Error-- no Ipv4 routing protocol object");
568  Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject <Ipv4GlobalRouting> ();
569  NS_TEST_ASSERT_MSG_NE (globalRouting0, 0, "Error-- no Ipv4GlobalRouting object");
570 
571  Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get (1)->GetObject<Ipv4L3Protocol> ();
572  NS_TEST_ASSERT_MSG_NE (ip1, 0, "Error-- no Ipv4 object");
573  Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol ();
574  NS_TEST_ASSERT_MSG_NE (routing1, 0, "Error-- no Ipv4 routing protocol object");
575  Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject <Ipv4GlobalRouting> ();
576  NS_TEST_ASSERT_MSG_NE (globalRouting1, 0, "Error-- no Ipv4GlobalRouting object");
577 
578  // Skip to n4
579  Ptr<Ipv4L3Protocol> ip4 = m_nodes.Get (4)->GetObject<Ipv4L3Protocol> ();
580  NS_TEST_ASSERT_MSG_NE (ip4, 0, "Error-- no Ipv4 object");
581  Ptr<Ipv4RoutingProtocol> routing4 = ip4->GetRoutingProtocol ();
582  NS_TEST_ASSERT_MSG_NE (routing4, 0, "Error-- no Ipv4 routing protocol object");
583  Ptr<Ipv4GlobalRouting> globalRouting4 = routing4->GetObject <Ipv4GlobalRouting> ();
584  NS_TEST_ASSERT_MSG_NE (globalRouting4, 0, "Error-- no Ipv4GlobalRouting object");
585 
586  Ipv4RoutingTableEntry* route = 0;
587  // n0
588  // Test that the right number of routes found
589  uint32_t nRoutes0 = globalRouting0->GetNRoutes ();
590  NS_LOG_DEBUG ("BridgeTest nRoutes0 " << nRoutes0);
591  NS_TEST_ASSERT_MSG_EQ (nRoutes0, 3, "Error-- not three entries");
592  for (uint32_t i = 0; i < globalRouting0->GetNRoutes (); i++)
593  {
594  route = globalRouting0->GetRoute (i);
595  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
596  }
597  // Spot check the last route
598  if (route)
599  {
600  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.3.0"), "Error-- wrong destination");
601  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.1.2"), "Error-- wrong gateway");
602  }
603 
604  // n1
605  // Test that the right number of routes found
606  route = 0;
607  uint32_t nRoutes1 = globalRouting1->GetNRoutes ();
608  NS_LOG_DEBUG ("BridgeTest nRoutes1 " << nRoutes1);
609  NS_TEST_ASSERT_MSG_EQ (nRoutes1, 3, "Error-- not three entries");
610  for (uint32_t i = 0; i < globalRouting1->GetNRoutes (); i++)
611  {
612  route = globalRouting1->GetRoute (i);
613  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
614  }
615  // Spot check the last route
616  if (route)
617  {
618  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.3.0"), "Error-- wrong destination");
619  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.2.2"), "Error-- wrong gateway");
620  }
621 
622  // skip n2 and n3, just verify n4
623  NS_LOG_DEBUG ("BridgeTest skip print out of n2 and n3, go next to node n4");
624 
625  // n4
626  route = 0;
627  // Test that the right number of routes found
628  uint32_t nRoutes4 = globalRouting4->GetNRoutes ();
629  NS_LOG_DEBUG ("BridgeTest nRoutes4 " << nRoutes4);
630  NS_TEST_ASSERT_MSG_EQ (nRoutes4, 3, "Error-- not three entries");
631  for (uint32_t i = 0; i < globalRouting4->GetNRoutes (); i++)
632  {
633  route = globalRouting4->GetRoute (i);
634  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
635  }
636  // Spot check the last route
637  if (route)
638  {
639  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.1.0"), "Error-- wrong destination");
640  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.3.1"), "Error-- wrong gateway");
641  }
642 
643  Simulator::Destroy ();
644 }
645 
646 class TwoBridgeTest : public TestCase
647 {
648 public:
649  virtual void DoSetup (void);
650  virtual void DoRun (void);
651  TwoBridgeTest ();
652 private:
653  NodeContainer m_nodes;
654 };
655 
656 TwoBridgeTest::TwoBridgeTest ()
657  : TestCase ("Global routing across two bridges")
658 {
659 }
660 
661 void
662 TwoBridgeTest::DoSetup ()
663 {
664  m_nodes.Create (5);
665 
666  //connect node0 to node1
667  Ptr<SimpleChannel> channel = CreateObject <SimpleChannel> ();
668  SimpleNetDeviceHelper simpleHelper;
669  NetDeviceContainer net = simpleHelper.Install (m_nodes.Get (0), channel);
670  net.Add (simpleHelper.Install (m_nodes.Get (1), channel));
671 
672  NetDeviceContainer bridgeFacingDevices;
673  NetDeviceContainer switchn2Devices;
674  NetDeviceContainer switchn3Devices;
675 
676  //connect node1 to node2 (switch)
677  Ptr<SimpleChannel> channel2 = CreateObject <SimpleChannel> ();
678  SimpleNetDeviceHelper simpleHelper2;
679  NetDeviceContainer net2 = simpleHelper2.Install (m_nodes.Get (1), channel2);
680  net2.Add (simpleHelper2.Install (m_nodes.Get (2), channel2));
681  bridgeFacingDevices.Add (net2.Get (0));
682  switchn2Devices.Add (net2.Get (1));
683 
684  //connect node2 (switch) to node3
685  Ptr<SimpleChannel> channel3 = CreateObject <SimpleChannel> ();
686  SimpleNetDeviceHelper simpleHelper3;
687  NetDeviceContainer net3 = simpleHelper3.Install (m_nodes.Get (2), channel3);
688  net3.Add (simpleHelper3.Install (m_nodes.Get (3), channel3));
689  switchn2Devices.Add (net3.Get (0));
690  switchn3Devices.Add (net3.Get (1));
691 
692  //connect node3 to node4
693  Ptr<SimpleChannel> channel4 = CreateObject <SimpleChannel> ();
694  SimpleNetDeviceHelper simpleHelper4;
695  NetDeviceContainer net4 = simpleHelper4.Install (m_nodes.Get (3), channel4);
696  net4.Add (simpleHelper4.Install (m_nodes.Get (4), channel4));
697  switchn3Devices.Add (net4.Get (0));
698  bridgeFacingDevices.Add (net4.Get (1));
699 
700  Ptr<Node> switchn2Node = m_nodes.Get (2);
701  BridgeHelper bridgen2Helper;
702  bridgen2Helper.Install (switchn2Node, switchn2Devices);
703 
704  Ptr<Node> switchn3Node = m_nodes.Get (3);
705  BridgeHelper bridgen3Helper;
706  bridgen3Helper.Install (switchn3Node, switchn3Devices);
707 
708  InternetStackHelper internet;
709  // By default, InternetStackHelper adds a static and global routing
710  // implementation. We just want the global for this test.
711  Ipv4GlobalRoutingHelper ipv4RoutingHelper;
712  internet.SetRoutingHelper (ipv4RoutingHelper);
713 
714  internet.Install (m_nodes.Get (0));
715  internet.Install (m_nodes.Get (1));
716  // m_nodes.Get (2) is bridge node
717  // m_nodes.Get (3) is bridge node
718  internet.Install (m_nodes.Get (4));
719 
720  Ipv4AddressHelper address;
721  address.SetBase ("10.1.1.0", "255.255.255.0");
722  address.Assign (net);
723 
724  address.SetBase ("10.1.2.0", "255.255.255.0");
725  address.Assign (bridgeFacingDevices);
726 
727 }
728 
729 void
730 TwoBridgeTest::DoRun ()
731 {
732  Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
733 
734  Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get (0)->GetObject<Ipv4L3Protocol> ();
735  NS_TEST_ASSERT_MSG_NE (ip0, 0, "Error-- no Ipv4 object");
736  Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol ();
737  NS_TEST_ASSERT_MSG_NE (routing0, 0, "Error-- no Ipv4 routing protocol object");
738  Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject <Ipv4GlobalRouting> ();
739  NS_TEST_ASSERT_MSG_NE (globalRouting0, 0, "Error-- no Ipv4GlobalRouting object");
740 
741  // Skip to n4
742  Ptr<Ipv4L3Protocol> ip4 = m_nodes.Get (4)->GetObject<Ipv4L3Protocol> ();
743  NS_TEST_ASSERT_MSG_NE (ip4, 0, "Error-- no Ipv4 object");
744  Ptr<Ipv4RoutingProtocol> routing4 = ip4->GetRoutingProtocol ();
745  NS_TEST_ASSERT_MSG_NE (routing4, 0, "Error-- no Ipv4 routing protocol object");
746  Ptr<Ipv4GlobalRouting> globalRouting4 = routing4->GetObject <Ipv4GlobalRouting> ();
747  NS_TEST_ASSERT_MSG_NE (globalRouting4, 0, "Error-- no Ipv4GlobalRouting object");
748 
749  Ipv4RoutingTableEntry* route = 0;
750  // n0
751  // Test that the right number of routes found
752  uint32_t nRoutes0 = globalRouting0->GetNRoutes ();
753  NS_LOG_DEBUG ("BridgeTest nRoutes0 " << nRoutes0);
754  NS_TEST_ASSERT_MSG_EQ (nRoutes0, 2, "Error-- not two entries");
755  for (uint32_t i = 0; i < globalRouting0->GetNRoutes (); i++)
756  {
757  route = globalRouting0->GetRoute (i);
758  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
759  }
760  // Spot check the last route
761  if (route)
762  {
763  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.2.0"), "Error-- wrong destination");
764  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.1.2"), "Error-- wrong gateway");
765  }
766  // skip n2 and n3, just verify n4
767  NS_LOG_DEBUG ("BridgeTest skip print out of n1-n3, go next to node n4");
768 
769  // n4
770  // Test that the right number of routes found
771  route = 0;
772  uint32_t nRoutes4 = globalRouting4->GetNRoutes ();
773  NS_LOG_DEBUG ("BridgeTest nRoutes4 " << nRoutes4);
774  NS_TEST_ASSERT_MSG_EQ (nRoutes4, 2, "Error-- not two entries");
775  for (uint32_t i = 0; i < globalRouting4->GetNRoutes (); i++)
776  {
777  route = globalRouting4->GetRoute (i);
778  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
779  }
780  // Spot check the last route
781  if (route)
782  {
783  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.1.0"), "Error-- wrong destination");
784  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.2.1"), "Error-- wrong gateway");
785  }
786 
787  Simulator::Destroy ();
788 }
789 
790 class Ipv4DynamicGlobalRoutingTestCase : public TestCase
791 {
792 public:
793  Ipv4DynamicGlobalRoutingTestCase ();
794  virtual ~Ipv4DynamicGlobalRoutingTestCase ();
795 
796 private:
797  void SendData (uint8_t index);
798  void ShutDownSock (uint8_t index);
799  void HandleRead (Ptr<Socket>);
800  virtual void DoRun (void);
801 
802  int m_count;
803  std::vector<std::pair<Ptr<Socket>, bool> > m_sendSocks;
804  DataRate m_dataRate;
805  uint16_t m_packetSize;
806  std::vector<uint8_t> m_firstInterface;
807  std::vector<uint8_t> m_secondInterface;
808 };
809 
810 // Add some help text to this case to describe what it is intended to test
811 Ipv4DynamicGlobalRoutingTestCase::Ipv4DynamicGlobalRoutingTestCase ()
812  : TestCase ("Dynamic global routing example"), m_count (0)
813 {
814  m_firstInterface.resize (16);
815  m_secondInterface.resize (16);
816  m_dataRate = DataRate ("2kbps");
817  m_packetSize = 50;
818 }
819 
820 Ipv4DynamicGlobalRoutingTestCase::~Ipv4DynamicGlobalRoutingTestCase ()
821 {
822  std::vector<std::pair<Ptr<Socket>, bool> >::iterator iter;
823 
824  for (iter = m_sendSocks.begin (); iter != m_sendSocks.end (); iter++)
825  {
826  if (iter->second)
827  {
828  iter->second = false;
829  iter->first->Close ();
830  iter->first = 0;
831  }
832  }
833 }
834 
835 void
836 Ipv4DynamicGlobalRoutingTestCase::HandleRead (Ptr<Socket> socket)
837 {
838  Ptr<Packet> packet;
839  Address from;
840  while ((packet = socket->RecvFrom (from)))
841  {
842  if (packet->GetSize () == 0)
843  { //EOF
844  break;
845  }
846  Ipv4PacketInfoTag tag;
847  bool found;
848  found = packet->PeekPacketTag (tag);
849  uint8_t now = static_cast<uint8_t> (Simulator::Now ().GetSeconds ());
850  if (found)
851  {
852  if (tag.GetRecvIf () == 1)
853  {
854  m_firstInterface[now]++;
855  }
856  if (tag.GetRecvIf () == 2)
857  {
858  m_secondInterface[now]++;
859  }
860  m_count++;
861  }
862  }
863 }
864 
865 void
866 Ipv4DynamicGlobalRoutingTestCase::SendData (uint8_t index)
867 {
868  if (m_sendSocks[index].second == false)
869  {
870  return;
871  }
872  Ptr<Packet> packet = Create<Packet> (m_packetSize);
873  m_sendSocks[index].first->Send (packet);
874 
875  Time tNext (MicroSeconds (m_packetSize * 8 * 1e6 / m_dataRate.GetBitRate ()));
876  Simulator::Schedule (tNext, &Ipv4DynamicGlobalRoutingTestCase::SendData, this, index);
877 }
878 
879 void
880 Ipv4DynamicGlobalRoutingTestCase::ShutDownSock (uint8_t index)
881 {
882  m_sendSocks[index].second = false;
883  m_sendSocks[index].first->Close ();
884  m_sendSocks[index].first = 0;
885 }
886 
887 // Test derived from examples/routing/dynamic-global-routing.cc
888 //
889 // Network topology
890 //
891 // n0
892 // \ p-p
893 // \ (shared csma/cd)
894 // n2 -------------------------n3
895 // / | |
896 // / p-p n4 n5 ---------- n6
897 // n1 p-p
898 // | |
899 // ----------------------------------------
900 // p-p
901 //
902 // Test that for node n6, the interface facing n5 receives packets at
903 // times (1-2), (4-6), (8-10), (11-12), (14-16) and the interface
904 // facing n1 receives packets at times (2-4), (6-8), (12-13)
905 //
906 void
907 Ipv4DynamicGlobalRoutingTestCase::DoRun (void)
908 {
909  // The below value configures the default behavior of global routing.
910  // By default, it is disabled. To respond to interface events, set to true
911  Config::SetDefault ("ns3::Ipv4GlobalRouting::RespondToInterfaceEvents", BooleanValue (true));
912 
913  NodeContainer c;
914  c.Create (7);
915  NodeContainer n0n2 = NodeContainer (c.Get (0), c.Get (2));
916  NodeContainer n1n2 = NodeContainer (c.Get (1), c.Get (2));
917  NodeContainer n5n6 = NodeContainer (c.Get (5), c.Get (6));
918  NodeContainer n1n6 = NodeContainer (c.Get (1), c.Get (6));
919  NodeContainer n2345 = NodeContainer (c.Get (2), c.Get (3), c.Get (4), c.Get (5));
920 
921  InternetStackHelper internet;
922  internet.Install (c);
923 
924  // We create the channels first without any IP addressing information
925  SimpleNetDeviceHelper devHelper;
926 
927  devHelper.SetNetDevicePointToPointMode (true);
928  NetDeviceContainer d0d2 = devHelper.Install (n0n2);
929  devHelper.SetNetDevicePointToPointMode (false);
930 
931  NetDeviceContainer d1d6 = devHelper.Install (n1n6);
932  NetDeviceContainer d1d2 = devHelper.Install (n1n2);
933  NetDeviceContainer d5d6 = devHelper.Install (n5n6);
934  NetDeviceContainer d2345 = devHelper.Install (n2345);
935 
936  // Later, we add IP addresses.
937  Ipv4AddressHelper ipv4;
938  ipv4.SetBase ("10.1.1.0", "255.255.255.0");
939  ipv4.Assign (d0d2);
940 
941  ipv4.SetBase ("10.1.2.0", "255.255.255.0");
942  ipv4.Assign (d1d2);
943 
944  ipv4.SetBase ("10.1.3.0", "255.255.255.0");
945  Ipv4InterfaceContainer i5i6 = ipv4.Assign (d5d6);
946 
947  ipv4.SetBase ("10.250.1.0", "255.255.255.0");
948  ipv4.Assign (d2345);
949 
950  ipv4.SetBase ("172.16.1.0", "255.255.255.0");
951  Ipv4InterfaceContainer i1i6 = ipv4.Assign (d1d6);
952 
953  // Create router nodes, initialize routing database and set up the routing
954  // tables in the nodes.
955  Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
956 
957  // Create the applications to send UDP datagrams of size
958  // 50 bytes at a rate of 2 Kb/s
959  TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory");
960  uint16_t port = 9; // Discard port (RFC 863)
961 
962  std::pair<Ptr<Socket>, bool> sendSockA;
963  sendSockA.first = Socket::CreateSocket (c.Get (1), tid);
964  sendSockA.first->Bind ();
965  sendSockA.first->Connect (InetSocketAddress (i5i6.GetAddress (1), port));
966  sendSockA.second = true;
967  m_sendSocks.push_back (sendSockA);
968  Simulator::Schedule (Seconds (1.0), &Ipv4DynamicGlobalRoutingTestCase::SendData, this, 0);
969  Simulator::Schedule (Seconds (10.0), &Ipv4DynamicGlobalRoutingTestCase::ShutDownSock, this, 0);
970 
971  std::pair<Ptr<Socket>, bool> sendSockB;
972  sendSockB.first = Socket::CreateSocket (c.Get (1), tid);
973  sendSockB.first->Bind ();
974  sendSockB.first->Connect (InetSocketAddress (i1i6.GetAddress (1), port));
975  sendSockB.second = true;
976  m_sendSocks.push_back (sendSockB);
977  Simulator::Schedule (Seconds (11.0), &Ipv4DynamicGlobalRoutingTestCase::SendData, this, 1);
978  Simulator::Schedule (Seconds (16.0), &Ipv4DynamicGlobalRoutingTestCase::ShutDownSock, this, 1);
979 
980 
981  // Create an optional packet sink to receive these packets
982  Ptr<Socket> sink2 = Socket::CreateSocket (c.Get (6), tid);
983  sink2->Bind (Address (InetSocketAddress (Ipv4Address::GetAny (), port)));
984  sink2->Listen ();
985  sink2->ShutdownSend ();
986 
987  sink2->SetRecvPktInfo (true);
988  sink2->SetRecvCallback (MakeCallback (&Ipv4DynamicGlobalRoutingTestCase::HandleRead, this));
989 
990  Ptr<Node> n1 = c.Get (1);
991  Ptr<Ipv4> ipv41 = n1->GetObject<Ipv4> ();
992  // The first ifIndex is 0 for loopback, then the first p2p is numbered 1,
993  // then the next p2p is numbered 2
994  uint32_t ipv4ifIndex1 = 2;
995 
996  Simulator::Schedule (Seconds (2), &Ipv4::SetDown,ipv41, ipv4ifIndex1);
997  Simulator::Schedule (Seconds (4), &Ipv4::SetUp,ipv41, ipv4ifIndex1);
998 
999  Ptr<Node> n6 = c.Get (6);
1000  Ptr<Ipv4> ipv46 = n6->GetObject<Ipv4> ();
1001  // The first ifIndex is 0 for loopback, then the first p2p is numbered 1,
1002  // then the next p2p is numbered 2
1003  uint32_t ipv4ifIndex6 = 2;
1004  Simulator::Schedule (Seconds (6), &Ipv4::SetDown,ipv46, ipv4ifIndex6);
1005  Simulator::Schedule (Seconds (8), &Ipv4::SetUp,ipv46, ipv4ifIndex6);
1006 
1007  Simulator::Schedule (Seconds (12), &Ipv4::SetDown,ipv41, ipv4ifIndex1);
1008  Simulator::Schedule (Seconds (14), &Ipv4::SetUp,ipv41, ipv4ifIndex1);
1009 
1010  Simulator::Run ();
1011 
1012  NS_TEST_ASSERT_MSG_EQ (m_count, 70, "Dynamic global routing did not deliver all packets");
1013 // Test that for node n6, the interface facing n5 receives packets at
1014 // times (1-2), (4-6), (8-10), (11-12), (14-16) and the interface
1015 // facing n1 receives packets at times (2-4), (6-8), (12-13)
1016  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[1], 5, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[1]));
1017  NS_TEST_ASSERT_MSG_EQ (m_secondInterface[2], 5, "Dynamic global routing did not deliver all packets " << int(m_secondInterface[2]));
1018  NS_TEST_ASSERT_MSG_EQ (m_secondInterface[3], 5, "Dynamic global routing did not deliver all packets " << int(m_secondInterface[3]));
1019  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[4], 5, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[4]));
1020  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[5], 5, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[5]));
1021  NS_TEST_ASSERT_MSG_EQ (m_secondInterface[6], 5, "Dynamic global routing did not deliver all packets " << int(m_secondInterface[6]));
1022  NS_TEST_ASSERT_MSG_EQ (m_secondInterface[7], 5, "Dynamic global routing did not deliver all packets " << int(m_secondInterface[7]));
1023  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[8], 5, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[8]));
1024  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[9], 5, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[9]));
1025  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[10], 0, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[10]));
1026  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[11], 5, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[11]));
1027  NS_TEST_ASSERT_MSG_EQ (m_secondInterface[12], 5, "Dynamic global routing did not deliver all packets " << int(m_secondInterface[12]));
1028  NS_TEST_ASSERT_MSG_EQ (m_secondInterface[13], 5, "Dynamic global routing did not deliver all packets " << int(m_secondInterface[13]));
1029  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[14], 5, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[14]));
1030  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[15], 5, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[15]));
1031  Simulator::Destroy ();
1032 }
1033 
1034 class Ipv4GlobalRoutingSlash32TestCase : public TestCase
1035 {
1036 public:
1037  Ipv4GlobalRoutingSlash32TestCase ();
1038  virtual ~Ipv4GlobalRoutingSlash32TestCase ();
1039 
1040  Ptr<Packet> m_receivedPacket;
1041  void ReceivePkt (Ptr<Socket> socket);
1042  void DoSendData (Ptr<Socket> socket, std::string to);
1043  void SendData (Ptr<Socket> socket, std::string to);
1044 
1045 private:
1046  virtual void DoRun (void);
1047 };
1048 
1049 // Add some help text to this case to describe what it is intended to test
1050 Ipv4GlobalRoutingSlash32TestCase::Ipv4GlobalRoutingSlash32TestCase ()
1051  : TestCase ("Slash 32 global routing example")
1052 {
1053 }
1054 
1055 Ipv4GlobalRoutingSlash32TestCase::~Ipv4GlobalRoutingSlash32TestCase ()
1056 {
1057 }
1058 
1059 void
1060 Ipv4GlobalRoutingSlash32TestCase::ReceivePkt (Ptr<Socket> socket)
1061 {
1062  uint32_t availableData;
1063  availableData = socket->GetRxAvailable ();
1064  m_receivedPacket = socket->Recv (std::numeric_limits<uint32_t>::max (), 0);
1065  NS_ASSERT (availableData == m_receivedPacket->GetSize ());
1066  //cast availableData to void, to suppress 'availableData' set but not used
1067  //compiler warning
1068  (void) availableData;
1069 }
1070 
1071 void
1072 Ipv4GlobalRoutingSlash32TestCase::DoSendData (Ptr<Socket> socket, std::string to)
1073 {
1074  Address realTo = InetSocketAddress (Ipv4Address (to.c_str ()), 1234);
1075  NS_TEST_EXPECT_MSG_EQ (socket->SendTo (Create<Packet> (123), 0, realTo),
1076  123, "100");
1077 }
1078 
1079 void
1080 Ipv4GlobalRoutingSlash32TestCase::SendData (Ptr<Socket> socket, std::string to)
1081 {
1082  m_receivedPacket = Create<Packet> ();
1083  Simulator::ScheduleWithContext (socket->GetNode ()->GetId (), Seconds (60),
1084  &Ipv4GlobalRoutingSlash32TestCase::DoSendData, this, socket, to);
1085  Simulator::Stop (Seconds (66));
1086  Simulator::Run ();
1087 }
1088 
1089 // Test program for this 3-router scenario, using global routing
1090 //
1091 // (a.a.a.a/32)A<--x.x.x.0/30-->B<--y.y.y.0/30-->C(c.c.c.c/32)
1092 //
1093 void
1094 Ipv4GlobalRoutingSlash32TestCase::DoRun (void)
1095 {
1096  Ptr<Node> nA = CreateObject<Node> ();
1097  Ptr<Node> nB = CreateObject<Node> ();
1098  Ptr<Node> nC = CreateObject<Node> ();
1099 
1100  NodeContainer c = NodeContainer (nA, nB, nC);
1101 
1102  InternetStackHelper internet;
1103  internet.Install (c);
1104 
1105  // simple links
1106  NodeContainer nAnB = NodeContainer (nA, nB);
1107  NodeContainer nBnC = NodeContainer (nB, nC);
1108 
1109  SimpleNetDeviceHelper devHelper;
1110 
1111  Ptr<SimpleNetDevice> deviceA = CreateObject<SimpleNetDevice> ();
1112  deviceA->SetAddress (Mac48Address::Allocate ());
1113  nA->AddDevice (deviceA);
1114 
1115  NetDeviceContainer dAdB = devHelper.Install (nAnB);
1116  NetDeviceContainer dBdC = devHelper.Install (nBnC);
1117 
1118  Ptr<SimpleNetDevice> deviceC = CreateObject<SimpleNetDevice> ();
1119  deviceC->SetAddress (Mac48Address::Allocate ());
1120  nC->AddDevice (deviceC);
1121 
1122  // Later, we add IP addresses.
1123  Ipv4AddressHelper ipv4;
1124  ipv4.SetBase ("10.1.1.0", "255.255.255.252");
1125  Ipv4InterfaceContainer iAiB = ipv4.Assign (dAdB);
1126 
1127  ipv4.SetBase ("10.1.1.4", "255.255.255.252");
1128  Ipv4InterfaceContainer iBiC = ipv4.Assign (dBdC);
1129 
1130  Ptr<Ipv4> ipv4A = nA->GetObject<Ipv4> ();
1131  Ptr<Ipv4> ipv4B = nB->GetObject<Ipv4> ();
1132  Ptr<Ipv4> ipv4C = nC->GetObject<Ipv4> ();
1133 
1134  int32_t ifIndexA = ipv4A->AddInterface (deviceA);
1135  int32_t ifIndexC = ipv4C->AddInterface (deviceC);
1136 
1137  Ipv4InterfaceAddress ifInAddrA = Ipv4InterfaceAddress (Ipv4Address ("172.16.1.1"), Ipv4Mask ("/32"));
1138  ipv4A->AddAddress (ifIndexA, ifInAddrA);
1139  ipv4A->SetMetric (ifIndexA, 1);
1140  ipv4A->SetUp (ifIndexA);
1141 
1142  Ipv4InterfaceAddress ifInAddrC = Ipv4InterfaceAddress (Ipv4Address ("192.168.1.1"), Ipv4Mask ("/32"));
1143  ipv4C->AddAddress (ifIndexC, ifInAddrC);
1144  ipv4C->SetMetric (ifIndexC, 1);
1145  ipv4C->SetUp (ifIndexC);
1146 
1147  // Create router nodes, initialize routing database and set up the routing
1148  // tables in the nodes.
1149  Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
1150 
1151  // Create the UDP sockets
1152  Ptr<SocketFactory> rxSocketFactory = nC->GetObject<UdpSocketFactory> ();
1153  Ptr<Socket> rxSocket = rxSocketFactory->CreateSocket ();
1154  NS_TEST_EXPECT_MSG_EQ (rxSocket->Bind (InetSocketAddress (Ipv4Address ("192.168.1.1"), 1234)), 0, "trivial");
1155  rxSocket->SetRecvCallback (MakeCallback (&Ipv4GlobalRoutingSlash32TestCase::ReceivePkt, this));
1156 
1157  Ptr<SocketFactory> txSocketFactory = nA->GetObject<UdpSocketFactory> ();
1158  Ptr<Socket> txSocket = txSocketFactory->CreateSocket ();
1159  txSocket->SetAllowBroadcast (true);
1160 
1161  // ------ Now the tests ------------
1162 
1163  // Unicast test
1164  SendData (txSocket, "192.168.1.1");
1165  NS_TEST_EXPECT_MSG_EQ (m_receivedPacket->GetSize (), 123, "Static routing with /32 did not deliver all packets.");
1166 
1167  Simulator::Destroy ();
1168 }
1169 
1170 class Ipv4GlobalRoutingTestSuite : public TestSuite
1171 {
1172 public:
1173  Ipv4GlobalRoutingTestSuite ();
1174 };
1175 
1176 Ipv4GlobalRoutingTestSuite::Ipv4GlobalRoutingTestSuite ()
1177  : TestSuite ("ipv4-global-routing", UNIT)
1178  {
1179  AddTestCase (new LinkTest, TestCase::QUICK);
1180  AddTestCase (new LanTest, TestCase::QUICK);
1181  AddTestCase (new TwoLinkTest, TestCase::QUICK);
1182  AddTestCase (new TwoLanTest, TestCase::QUICK);
1183  AddTestCase (new BridgeTest, TestCase::QUICK);
1184  AddTestCase (new TwoBridgeTest, TestCase::QUICK);
1185  AddTestCase (new Ipv4DynamicGlobalRoutingTestCase, TestCase::QUICK);
1186  AddTestCase (new Ipv4GlobalRoutingSlash32TestCase, TestCase::QUICK);
1187  }
1188 
1189 // Do not forget to allocate an instance of this TestSuite
1190 static Ipv4GlobalRoutingTestSuite globalRoutingTestSuite;
TwoBridgeTest::DoSetup
virtual void DoSetup(void)
Implementation to do any local setup required for this TestCase.
Definition: ipv4-global-routing-test-suite.cc:662
third.channel
tuple channel
Definition: third.py:85
ns3::Ipv4::AddInterface
virtual uint32_t AddInterface(Ptr< NetDevice > device)=0
ns3::Time
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:102
ns3::InetSocketAddress
an Inet address class
Definition: inet-socket-address.h:40
ns3::Ptr
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:73
ns3::BooleanValue
AttributeValue implementation for Boolean.
Definition: boolean.h:34
second
Definition: second.py:1
Ipv4DynamicGlobalRoutingTestCase::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:907
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:96
ns3::Ipv4InterfaceContainer
holds a vector of std::pair of Ptr and interface index.
Definition: ipv4-interface-container.h:54
ns3::Object::GetObject
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:462
ns3::Socket::SetAllowBroadcast
virtual bool SetAllowBroadcast(bool allowBroadcast)=0
Configure whether broadcast datagram transmissions are allowed.
ns3::NetDeviceContainer::Get
Ptr< NetDevice > Get(uint32_t i) const
Get the Ptr stored in this container at a given index.
Definition: net-device-container.cc:62
ns3::Ipv4Mask
a class to represent an Ipv4 address mask
Definition: ipv4-address.h:257
ns3::Socket::ShutdownSend
virtual int ShutdownSend(void)=0
ns3::TestSuite
A suite of tests to run.
Definition: test.h:1333
NS_ASSERT
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file...
Definition: assert.h:67
LanTest::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:235
NS_LOG_COMPONENT_DEFINE
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:201
ns3::InternetStackHelper
aggregate IP/TCP/UDP functionality to existing Nodes.
Definition: internet-stack-helper.h:86
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:278
ns3::Packet::GetSize
uint32_t GetSize(void) const
Returns the the size in bytes of the packet (including the zero-filled initial payload).
Definition: packet.h:792
ns3::SocketFactory::CreateSocket
virtual Ptr< Socket > CreateSocket(void)=0
ns3::Ipv4GlobalRouting::GetRoute
Ipv4RoutingTableEntry * GetRoute(uint32_t i) const
Get a route from the global unicast routing table.
Definition: ipv4-global-routing.cc:260
ns3::TestCase
encapsulates test code
Definition: test.h:1147
port
uint16_t port
Definition: dsdv-manet.cc:44
ns3::Address
a polymophic address class
Definition: address.h:90
SetUp
void SetUp(char *deviceName)
Definition: tap-device-creator.cc:202
ns3::Socket::Listen
virtual int Listen(void)=0
Listen for incoming connections.
Ipv4DynamicGlobalRoutingTestCase::m_sendSocks
std::vector< std::pair< Ptr< Socket >, bool > > m_sendSocks
Definition: ipv4-global-routing-test-suite.cc:803
ns3::DataRate
Class for representing data rates.
Definition: data-rate.h:88
ns3::Socket::SetRecvPktInfo
void SetRecvPktInfo(bool flag)
Enable/Disable receive packet information to socket.
Definition: socket.cc:358
ns3::Time::GetSeconds
double GetSeconds(void) const
Get an approximation of the time stored in this instance in the indicated unit.
Definition: nstime.h:341
ns3::Packet::PeekPacketTag
bool PeekPacketTag(Tag &tag) const
Search a matching tag and call Tag::Deserialize if it is found.
Definition: packet.cc:846
ns3::Ipv4RoutingTableEntry
A record of an IPv4 routing table entry for Ipv4GlobalRouting and Ipv4StaticRouting.
Definition: ipv4-routing-table-entry.h:37
max
#define max(a, b)
Definition: 80211b.c:45
ns3::TestCase::AddTestCase
void AddTestCase(TestCase *testCase, enum TestDuration duration)
Add an individual child TestCase to this test suite.
Definition: test.cc:298
BridgeTest::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:560
ns3::Ipv4::SetUp
virtual void SetUp(uint32_t interface)=0
ns3::NetDeviceContainer::Add
void Add(NetDeviceContainer other)
Append the contents of another NetDeviceContainer to the end of this container.
Definition: net-device-container.cc:67
TwoLanTest::DoSetup
virtual void DoSetup(void)
Implementation to do any local setup required for this TestCase.
Definition: ipv4-global-routing-test-suite.cc:402
ns3::Ipv4PacketInfoTag::GetRecvIf
uint32_t GetRecvIf(void) const
Get the tag's receiving interface.
Definition: ipv4-packet-info-tag.cc:76
ns3::Ipv4GlobalRouting
Global routing protocol for IPv4 stacks.
Definition: ipv4-global-routing.h:71
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:161
Ipv4GlobalRoutingSlash32TestCase::DoSendData
void DoSendData(Ptr< Socket > socket, std::string to)
Definition: ipv4-global-routing-test-suite.cc:1072
BridgeTest::DoSetup
virtual void DoSetup(void)
Implementation to do any local setup required for this TestCase.
Definition: ipv4-global-routing-test-suite.cc:496
ns3::NetDeviceContainer
holds a vector of ns3::NetDevice pointers
Definition: net-device-container.h:41
ns3::MakeCallback
Callback< R > MakeCallback(R(T::*memPtr)(void), OBJ objPtr)
Definition: callback.h:1489
ns3::Socket::SetRecvCallback
void SetRecvCallback(Callback< void, Ptr< Socket > >)
Notify application when new data is available to be read.
Definition: socket.cc:128
ns3::BridgeHelper
Add capability to bridge multiple LAN segments (IEEE 802.1D bridging)
Definition: bridge-helper.h:37
TwoBridgeTest::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:730
ns3::Ipv4
Access to the IPv4 forwarding table, interfaces, and configuration.
Definition: ipv4.h:76
ns3::Ipv4L3Protocol
Implement the IPv4 layer.
Definition: ipv4-l3-protocol.h:81
ns3::Socket::Bind
virtual int Bind(const Address &address)=0
Allocate a local endpoint for this socket.
LanTest::DoSetup
virtual void DoSetup(void)
Implementation to do any local setup required for this TestCase.
Definition: ipv4-global-routing-test-suite.cc:214
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ns3::NodeContainer
keep track of a set of node pointers.
Definition: node-container.h:38
ns3::Socket::Recv
virtual Ptr< Packet > Recv(uint32_t maxSize, uint32_t flags)=0
Read data from the socket.
ns3::SimpleNetDeviceHelper::SetNetDevicePointToPointMode
void SetNetDevicePointToPointMode(bool pointToPointMode)
SimpleNetDevice is Broadcast capable and ARP needing.
Definition: simple-net-device-helper.cc:90
ns3::DataRate::GetBitRate
uint64_t GetBitRate() const
Get the underlying bitrate.
Definition: data-rate.cc:249
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:357
Ipv4GlobalRoutingSlash32TestCase::SendData
void SendData(Ptr< Socket > socket, std::string to)
Definition: ipv4-global-routing-test-suite.cc:1080
ns3::Ipv4RoutingTableEntry::GetDest
Ipv4Address GetDest(void) const
Definition: ipv4-routing-table-entry.cc:109
globalRoutingTestSuite
static Ipv4GlobalRoutingTestSuite globalRoutingTestSuite
Definition: ipv4-global-routing-test-suite.cc:1190
Ipv4GlobalRoutingSlash32TestCase::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:1094
TwoLanTest::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:431
ns3::Ipv4PacketInfoTag
This class implements Linux struct pktinfo in order to deliver ancillary information to the socket in...
Definition: ipv4-packet-info-tag.h:44
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:43
ns3::Ipv4Address
Ipv4 addresses are stored in host order in this class.
Definition: ipv4-address.h:40
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:134
ns3::Node::AddDevice
uint32_t AddDevice(Ptr< NetDevice > device)
Associate a NetDevice to this node.
Definition: node.cc:128
ns3::Node::GetId
uint32_t GetId(void) const
Definition: node.cc:107
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:617
ns3::Ipv4InterfaceAddress
a class to store IPv4 address information on an interface
Definition: ipv4-interface-address.h:43
ns3::Socket::GetNode
virtual Ptr< Node > GetNode(void) const =0
Return the node this socket is associated with.
ns3::NodeContainer::Get
Ptr< Node > Get(uint32_t i) const
Get the Ptr stored in this container at a given index.
Definition: node-container.cc:88
ns3::Ipv4RoutingTableEntry::GetGateway
Ipv4Address GetGateway(void) const
Definition: ipv4-routing-table-entry.cc:159
ns3::SimpleNetDevice::SetAddress
virtual void SetAddress(Address address)
Set the address of this interface.
Definition: simple-net-device.cc:323
NS_LOG_DEBUG
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
Definition: log.h:236
ns3::Seconds
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:895
ns3::Config::SetDefault
void SetDefault(std::string name, const AttributeValue &value)
Definition: config.cc:774
ns3::Ipv4::SetMetric
virtual void SetMetric(uint32_t interface, uint16_t metric)=0
ns3::Ipv4GlobalRoutingHelper
Helper class that adds ns3::Ipv4GlobalRouting objects.
Definition: ipv4-global-routing-helper.h:33
ns3::Ipv4::AddAddress
virtual bool AddAddress(uint32_t interface, Ipv4InterfaceAddress address)=0
ns3::Socket::SendTo
virtual int SendTo(Ptr< Packet > p, uint32_t flags, const Address &toAddress)=0
Send data to a specified peer.
ns3::Ipv4AddressHelper
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
Definition: ipv4-address-helper.h:47
ns3::MicroSeconds
Time MicroSeconds(uint64_t value)
Construct a Time in the indicated unit.
Definition: nstime.h:911
ns3::Now
Time Now(void)
create an ns3::Time instance which contains the current simulation time.
Definition: simulator.cc:340
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:93
first.address
tuple address
Definition: first.py:37
ns3::UdpSocketFactory
API to create UDP socket instances.
Definition: udp-socket-factory.h:41
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::SimpleNetDeviceHelper
build a set of SimpleNetDevice objects
Definition: simple-net-device-helper.h:36
n0n2
NodeContainer n0n2
Definition: adaptive-red-tests.cc:89
ns3::Ipv4L3Protocol::GetRoutingProtocol
Ptr< Ipv4RoutingProtocol > GetRoutingProtocol(void) const
Get the routing protocol to be used by this Ipv4 stack.
Definition: ipv4-l3-protocol.cc:278
ns3::TypeId
a unique identifier for an interface.
Definition: type-id.h:58
ns3::InternetStackHelper::SetRoutingHelper
void SetRoutingHelper(const Ipv4RoutingHelper &routing)
Definition: internet-stack-helper.cc:175
n1n2
NodeContainer n1n2
Definition: adaptive-red-tests.cc:90
ns3::Ipv4GlobalRouting::GetNRoutes
uint32_t GetNRoutes(void) const
Get the number of individual unicast routes that have been added to the routing table.
Definition: ipv4-global-routing.cc:249
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:63
ns3::Ipv4InterfaceContainer::GetAddress
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const
Definition: ipv4-interface-container.cc:59
ns3::Socket::GetRxAvailable
virtual uint32_t GetRxAvailable(void) const =0
Return number of bytes which can be returned from one or multiple calls to Recv.