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 
126 class LinkTest : public TestCase
127 {
128 public:
129  virtual void DoSetup (void);
130  virtual void DoRun (void);
131  LinkTest ();
132 private:
133  NodeContainer m_nodes;
134 };
135 
136 LinkTest::LinkTest ()
137  : TestCase ("Global routing on point-to-point link")
138 {
139 }
140 
141 void
142 LinkTest::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 
163 void
164 LinkTest::DoRun ()
165 {
166  Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
167 
168  Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get (0)->GetObject<Ipv4L3Protocol> ();
169  NS_TEST_ASSERT_MSG_NE (ip0, 0, "Error-- no Ipv4 object");
170  Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get (1)->GetObject<Ipv4L3Protocol> ();
171  NS_TEST_ASSERT_MSG_NE (ip1, 0, "Error-- no Ipv4 object");
172  Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol ();
173  Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject <Ipv4GlobalRouting> ();
174  NS_TEST_ASSERT_MSG_NE (globalRouting0, 0, "Error-- no Ipv4GlobalRouting object");
175  Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol ();
176  Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject <Ipv4GlobalRouting> ();
177  NS_TEST_ASSERT_MSG_NE (globalRouting1, 0, "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 
210 class LanTest : public TestCase
211 {
212 public:
213  virtual void DoSetup (void);
214  virtual void DoRun (void);
215  LanTest ();
216 private:
217  NodeContainer m_nodes;
218 };
219 
220 LanTest::LanTest ()
221  : TestCase ("Global routing on broadcast link")
222 {
223 }
224 
225 void
226 LanTest::DoSetup ()
227 {
228  m_nodes.Create (2);
229 
230  Ptr<SimpleChannel> channel = CreateObject <SimpleChannel> ();
231  SimpleNetDeviceHelper simpleHelper;
232  NetDeviceContainer net = simpleHelper.Install (m_nodes, channel);
233 
234  InternetStackHelper internet;
235  // By default, InternetStackHelper adds a static and global routing
236  // implementation. We just want the global for this test.
237  Ipv4GlobalRoutingHelper ipv4RoutingHelper;
238  internet.SetRoutingHelper (ipv4RoutingHelper);
239  internet.Install (m_nodes);
240 
241  Ipv4AddressHelper ipv4;
242  ipv4.SetBase ("10.1.1.0", "255.255.255.0");
243  Ipv4InterfaceContainer i = ipv4.Assign (net);
244 }
245 
246 void
247 LanTest::DoRun ()
248 {
249  Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
250 
251  Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get (0)->GetObject<Ipv4L3Protocol> ();
252  NS_TEST_ASSERT_MSG_NE (ip0, 0, "Error-- no Ipv4 object");
253  Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get (1)->GetObject<Ipv4L3Protocol> ();
254  NS_TEST_ASSERT_MSG_NE (ip1, 0, "Error-- no Ipv4 object");
255  Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol ();
256  Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject <Ipv4GlobalRouting> ();
257  NS_TEST_ASSERT_MSG_NE (globalRouting0, 0, "Error-- no Ipv4GlobalRouting object");
258  Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol ();
259  Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject <Ipv4GlobalRouting> ();
260  NS_TEST_ASSERT_MSG_NE (globalRouting1, 0, "Error-- no Ipv4GlobalRouting object");
261 
262  // Test that the right number of routes found
263  uint32_t nRoutes0 = globalRouting0->GetNRoutes ();
264  NS_LOG_DEBUG ("LanTest nRoutes0 " << nRoutes0);
265  NS_TEST_ASSERT_MSG_EQ (nRoutes0, 1, "Error-- more than one entry");
266  for (uint32_t i = 0; i < globalRouting0->GetNRoutes (); i++)
267  {
268  Ipv4RoutingTableEntry* route = globalRouting0->GetRoute (i);
269  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
270  }
271 
272  // Test that the right number of routes found
273  uint32_t nRoutes1 = globalRouting1->GetNRoutes ();
274  NS_LOG_DEBUG ("LanTest nRoutes1 " << nRoutes1);
275  NS_TEST_ASSERT_MSG_EQ (nRoutes1, 1, "Error-- more than one entry");
276  for (uint32_t i = 0; i < globalRouting0->GetNRoutes (); i++)
277  {
278  Ipv4RoutingTableEntry* route = globalRouting1->GetRoute (i);
279  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
280  }
281 
282  Simulator::Destroy ();
283 }
284 
291 class TwoLinkTest : public TestCase
292 {
293 public:
294  virtual void DoSetup (void);
295  virtual void DoRun (void);
296  TwoLinkTest ();
297 private:
298  NodeContainer m_nodes;
299 };
300 
301 TwoLinkTest::TwoLinkTest ()
302  : TestCase ("Global routing across two hops (point-to-point links)")
303 {
304 }
305 
306 void
307 TwoLinkTest::DoSetup ()
308 {
309  m_nodes.Create (3);
310 
311  Ptr<SimpleChannel> channel = CreateObject <SimpleChannel> ();
312  SimpleNetDeviceHelper simpleHelper;
313  simpleHelper.SetNetDevicePointToPointMode (true);
314  NetDeviceContainer net = simpleHelper.Install (m_nodes.Get (0), channel);
315  net.Add (simpleHelper.Install (m_nodes.Get (1), channel));
316 
317  Ptr<SimpleChannel> channel2 = CreateObject <SimpleChannel> ();
318  SimpleNetDeviceHelper simpleHelper2;
319  simpleHelper2.SetNetDevicePointToPointMode (true);
320  NetDeviceContainer net2 = simpleHelper.Install (m_nodes.Get (1), channel2);
321  net2.Add (simpleHelper2.Install (m_nodes.Get (2), channel2));
322 
323  InternetStackHelper internet;
324  // By default, InternetStackHelper adds a static and global routing
325  // implementation. We just want the global for this test.
326  Ipv4GlobalRoutingHelper ipv4RoutingHelper;
327  internet.SetRoutingHelper (ipv4RoutingHelper);
328  internet.Install (m_nodes);
329 
330  Ipv4AddressHelper ipv4;
331  ipv4.SetBase ("10.1.1.0", "255.255.255.252");
332  Ipv4InterfaceContainer i = ipv4.Assign (net);
333  ipv4.SetBase ("10.1.2.0", "255.255.255.252");
334  Ipv4InterfaceContainer i2 = ipv4.Assign (net2);
335 }
336 
337 void
338 TwoLinkTest::DoRun ()
339 {
340  Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
341 
342  Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get (0)->GetObject<Ipv4L3Protocol> ();
343  NS_TEST_ASSERT_MSG_NE (ip0, 0, "Error-- no Ipv4 object");
344  Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get (1)->GetObject<Ipv4L3Protocol> ();
345  NS_TEST_ASSERT_MSG_NE (ip1, 0, "Error-- no Ipv4 object");
346  Ptr<Ipv4L3Protocol> ip2 = m_nodes.Get (2)->GetObject<Ipv4L3Protocol> ();
347  NS_TEST_ASSERT_MSG_NE (ip2, 0, "Error-- no Ipv4 object");
348  Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol ();
349  Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject <Ipv4GlobalRouting> ();
350  NS_TEST_ASSERT_MSG_NE (globalRouting0, 0, "Error-- no Ipv4GlobalRouting object");
351  Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol ();
352  Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject <Ipv4GlobalRouting> ();
353  NS_TEST_ASSERT_MSG_NE (globalRouting1, 0, "Error-- no Ipv4GlobalRouting object");
354  Ptr<Ipv4RoutingProtocol> routing2 = ip2->GetRoutingProtocol ();
355  Ptr<Ipv4GlobalRouting> globalRouting2 = routing2->GetObject <Ipv4GlobalRouting> ();
356  NS_TEST_ASSERT_MSG_NE (globalRouting2, 0, "Error-- no Ipv4GlobalRouting object");
357 
358  // node n0
359  // Test that the right number of routes found
360  uint32_t nRoutes0 = globalRouting0->GetNRoutes ();
361  NS_LOG_DEBUG ("TwoLinkTest nRoutes0 " << nRoutes0);
362  NS_TEST_ASSERT_MSG_EQ (nRoutes0, 1, "Error-- wrong number of links");
363 
364  Ipv4RoutingTableEntry* route = globalRouting0->GetRoute (0);
365  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
366  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("0.0.0.0"), "Error-- wrong destination");
367  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.1.2"), "Error-- wrong gateway");
368 
369  // node n1
370  // Test that the right number of routes found
371  uint32_t nRoutes1 = globalRouting1->GetNRoutes ();
372  NS_LOG_DEBUG ("TwoLinkTest nRoutes1 " << nRoutes1);
373  route = globalRouting1->GetRoute (0);
374  NS_LOG_DEBUG ("TwoLinkTest entry dest " << route->GetDest () << " gw " << route->GetGateway ());
375  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.1.1"), "Error-- wrong destination");
376  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.1.1"), "Error-- wrong gateway");
377  route = globalRouting1->GetRoute (1);
378  NS_LOG_DEBUG ("TwoLinkTest entry dest " << route->GetDest () << " gw " << route->GetGateway ());
379  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.2.2"), "Error-- wrong destination");
380  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.2.2"), "Error-- wrong gateway");
381  route = globalRouting1->GetRoute (2);
382  NS_LOG_DEBUG ("TwoLinkTest entry dest " << route->GetDest () << " gw " << route->GetGateway ());
383  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.1.0"), "Error-- wrong destination");
384  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.1.1"), "Error-- wrong gateway");
385  route = globalRouting1->GetRoute (3);
386  NS_LOG_DEBUG ("TwoLinkTest entry dest " << route->GetDest () << " gw " << route->GetGateway ());
387  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.2.0"), "Error-- wrong destination");
388  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.2.2"), "Error-- wrong gateway");
389 
390  // node n2
391  // Test that the right number of routes found
392  uint32_t nRoutes2 = globalRouting2->GetNRoutes ();
393  NS_LOG_DEBUG ("TwoLinkTest nRoutes2 " << nRoutes2);
394  NS_TEST_ASSERT_MSG_EQ (nRoutes2, 1, "Error-- wrong number of links");
395 
396  route = globalRouting2->GetRoute (0);
397  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
398  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("0.0.0.0"), "Error-- wrong destination");
399  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.2.1"), "Error-- wrong gateway");
400 
401  Simulator::Destroy ();
402 }
403 
410 class TwoLanTest : public TestCase
411 {
412 public:
413  virtual void DoSetup (void);
414  virtual void DoRun (void);
415  TwoLanTest ();
416 private:
417  NodeContainer m_nodes;
418 };
419 
420 TwoLanTest::TwoLanTest ()
421  : TestCase ("Global routing across two hops (broadcast links)")
422 {
423 }
424 
425 void
426 TwoLanTest::DoSetup ()
427 {
428  m_nodes.Create (3);
429 
430  Ptr<SimpleChannel> channel = CreateObject <SimpleChannel> ();
431  SimpleNetDeviceHelper simpleHelper;
432  NetDeviceContainer net = simpleHelper.Install (m_nodes.Get (0), channel);
433  net.Add (simpleHelper.Install (m_nodes.Get (1), channel));
434 
435  Ptr<SimpleChannel> channel2 = CreateObject <SimpleChannel> ();
436  SimpleNetDeviceHelper simpleHelper2;
437  NetDeviceContainer net2 = simpleHelper.Install (m_nodes.Get (1), channel2);
438  net2.Add (simpleHelper2.Install (m_nodes.Get (2), channel2));
439 
440  InternetStackHelper internet;
441  // By default, InternetStackHelper adds a static and global routing
442  // implementation. We just want the global for this test.
443  Ipv4GlobalRoutingHelper ipv4RoutingHelper;
444  internet.SetRoutingHelper (ipv4RoutingHelper);
445  internet.Install (m_nodes);
446 
447  Ipv4AddressHelper ipv4;
448  ipv4.SetBase ("10.1.1.0", "255.255.255.0");
449  Ipv4InterfaceContainer i = ipv4.Assign (net);
450  ipv4.SetBase ("10.1.2.0", "255.255.255.0");
451  Ipv4InterfaceContainer i2 = ipv4.Assign (net2);
452 }
453 
454 void
455 TwoLanTest::DoRun ()
456 {
457  Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
458 
459  Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get (0)->GetObject<Ipv4L3Protocol> ();
460  NS_TEST_ASSERT_MSG_NE (ip0, 0, "Error-- no Ipv4 object");
461  Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get (1)->GetObject<Ipv4L3Protocol> ();
462  NS_TEST_ASSERT_MSG_NE (ip1, 0, "Error-- no Ipv4 object");
463  Ptr<Ipv4L3Protocol> ip2 = m_nodes.Get (2)->GetObject<Ipv4L3Protocol> ();
464  NS_TEST_ASSERT_MSG_NE (ip2, 0, "Error-- no Ipv4 object");
465  Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol ();
466  Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject <Ipv4GlobalRouting> ();
467  NS_TEST_ASSERT_MSG_NE (globalRouting0, 0, "Error-- no Ipv4GlobalRouting object");
468  Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol ();
469  Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject <Ipv4GlobalRouting> ();
470  NS_TEST_ASSERT_MSG_NE (globalRouting1, 0, "Error-- no Ipv4GlobalRouting object");
471  Ptr<Ipv4RoutingProtocol> routing2 = ip2->GetRoutingProtocol ();
472  Ptr<Ipv4GlobalRouting> globalRouting2 = routing2->GetObject <Ipv4GlobalRouting> ();
473  NS_TEST_ASSERT_MSG_NE (globalRouting2, 0, "Error-- no Ipv4GlobalRouting object");
474 
475  // Test that the right number of routes found
476  uint32_t nRoutes0 = globalRouting0->GetNRoutes ();
477  NS_LOG_DEBUG ("TwoLanTest nRoutes0 " << nRoutes0);
478  NS_TEST_ASSERT_MSG_EQ (nRoutes0, 2, "Error-- not two entries");
479  Ipv4RoutingTableEntry* route = globalRouting0->GetRoute (0);
480  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
481  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.1.0"), "Error-- wrong destination");
482  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("0.0.0.0"), "Error-- wrong gateway");
483  route = globalRouting0->GetRoute (1);
484  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
485  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.2.0"), "Error-- wrong destination");
486  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.1.2"), "Error-- wrong gateway");
487 
488  // Test that the right number of routes found
489  uint32_t nRoutes1 = globalRouting1->GetNRoutes ();
490  NS_LOG_DEBUG ("TwoLanTest nRoutes1 " << nRoutes1);
491  NS_TEST_ASSERT_MSG_EQ (nRoutes1, 2, "Error-- not two entries");
492  route = globalRouting1->GetRoute (0);
493  NS_LOG_DEBUG ("TwoLanTest entry dest " << route->GetDest () << " gw " << route->GetGateway ());
494  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.1.0"), "Error-- wrong destination");
495  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("0.0.0.0"), "Error-- wrong gateway");
496  route = globalRouting1->GetRoute (1);
497  NS_LOG_DEBUG ("TwoLanTest entry dest " << route->GetDest () << " gw " << route->GetGateway ());
498  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.2.0"), "Error-- wrong destination");
499  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("0.0.0.0"), "Error-- wrong gateway");
500 
501  Simulator::Destroy ();
502 }
503 
510 class BridgeTest : public TestCase
511 {
512 public:
513  virtual void DoSetup (void);
514  virtual void DoRun (void);
515  BridgeTest ();
516 private:
517  NodeContainer m_nodes;
518 };
519 
520 BridgeTest::BridgeTest ()
521  : TestCase ("Global routing across bridging topology (bug 2102)")
522 {
523 }
524 
525 void
526 BridgeTest::DoSetup ()
527 {
528  m_nodes.Create (5);
529 
530  //connect node0 to node1
531  Ptr<SimpleChannel> channel = CreateObject <SimpleChannel> ();
532  SimpleNetDeviceHelper simpleHelper;
533  NetDeviceContainer net = simpleHelper.Install (m_nodes.Get (0), channel);
534  net.Add (simpleHelper.Install (m_nodes.Get (1), channel));
535 
536  NetDeviceContainer bridgeFacingDevices;
537  NetDeviceContainer switchDevices;
538 
539  //connect node1 to node2 (switch)
540  Ptr<SimpleChannel> channel2 = CreateObject <SimpleChannel> ();
541  SimpleNetDeviceHelper simpleHelper2;
542  NetDeviceContainer net2 = simpleHelper2.Install (m_nodes.Get (1), channel2);
543  net2.Add (simpleHelper2.Install (m_nodes.Get (2), channel2));
544  bridgeFacingDevices.Add (net2.Get (0));
545  switchDevices.Add (net2.Get (1));
546 
547  //connect node2 (switch) to node3
548  Ptr<SimpleChannel> channel3 = CreateObject <SimpleChannel> ();
549  SimpleNetDeviceHelper simpleHelper3;
550  NetDeviceContainer net3 = simpleHelper3.Install (m_nodes.Get (2), channel3);
551  net3.Add (simpleHelper3.Install (m_nodes.Get (3), channel3));
552  bridgeFacingDevices.Add (net3.Get (1));
553  switchDevices.Add (net3.Get (0));
554 
555  //connect node3 to node4
556  Ptr<SimpleChannel> channel4 = CreateObject <SimpleChannel> ();
557  SimpleNetDeviceHelper simpleHelper4;
558  NetDeviceContainer net4 = simpleHelper4.Install (m_nodes.Get (3), channel4);
559  net4.Add (simpleHelper4.Install (m_nodes.Get (4), channel4));
560 
561  Ptr<Node> switchNode = m_nodes.Get (2);
562  BridgeHelper bridge;
563  bridge.Install (switchNode, switchDevices);
564 
565  InternetStackHelper internet;
566  // By default, InternetStackHelper adds a static and global routing
567  // implementation. We just want the global for this test.
568  Ipv4GlobalRoutingHelper ipv4RoutingHelper;
569  internet.SetRoutingHelper (ipv4RoutingHelper);
570 
571  internet.Install (m_nodes.Get (0));
572  internet.Install (m_nodes.Get (1));
573  // m_nodes.Get (2) is bridge node
574  internet.Install (m_nodes.Get (3));
575  internet.Install (m_nodes.Get (4));
576 
577  Ipv4AddressHelper address;
578  address.SetBase ("10.1.1.0", "255.255.255.0");
579  address.Assign (net);
580 
581  address.SetBase ("10.1.2.0", "255.255.255.0");
582  address.Assign (bridgeFacingDevices);
583 
584  address.SetBase ("10.1.3.0", "255.255.255.0");
585  address.Assign (net4);
586 
587 }
588 
589 void
590 BridgeTest::DoRun ()
591 {
592  Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
593 
594  Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get (0)->GetObject<Ipv4L3Protocol> ();
595  NS_TEST_ASSERT_MSG_NE (ip0, 0, "Error-- no Ipv4 object");
596  Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol ();
597  NS_TEST_ASSERT_MSG_NE (routing0, 0, "Error-- no Ipv4 routing protocol object");
598  Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject <Ipv4GlobalRouting> ();
599  NS_TEST_ASSERT_MSG_NE (globalRouting0, 0, "Error-- no Ipv4GlobalRouting object");
600 
601  Ptr<Ipv4L3Protocol> ip1 = m_nodes.Get (1)->GetObject<Ipv4L3Protocol> ();
602  NS_TEST_ASSERT_MSG_NE (ip1, 0, "Error-- no Ipv4 object");
603  Ptr<Ipv4RoutingProtocol> routing1 = ip1->GetRoutingProtocol ();
604  NS_TEST_ASSERT_MSG_NE (routing1, 0, "Error-- no Ipv4 routing protocol object");
605  Ptr<Ipv4GlobalRouting> globalRouting1 = routing1->GetObject <Ipv4GlobalRouting> ();
606  NS_TEST_ASSERT_MSG_NE (globalRouting1, 0, "Error-- no Ipv4GlobalRouting object");
607 
608  // Skip to n4
609  Ptr<Ipv4L3Protocol> ip4 = m_nodes.Get (4)->GetObject<Ipv4L3Protocol> ();
610  NS_TEST_ASSERT_MSG_NE (ip4, 0, "Error-- no Ipv4 object");
611  Ptr<Ipv4RoutingProtocol> routing4 = ip4->GetRoutingProtocol ();
612  NS_TEST_ASSERT_MSG_NE (routing4, 0, "Error-- no Ipv4 routing protocol object");
613  Ptr<Ipv4GlobalRouting> globalRouting4 = routing4->GetObject <Ipv4GlobalRouting> ();
614  NS_TEST_ASSERT_MSG_NE (globalRouting4, 0, "Error-- no Ipv4GlobalRouting object");
615 
616  Ipv4RoutingTableEntry* route = 0;
617  // n0
618  // Test that the right number of routes found
619  uint32_t nRoutes0 = globalRouting0->GetNRoutes ();
620  NS_LOG_DEBUG ("BridgeTest nRoutes0 " << nRoutes0);
621  NS_TEST_ASSERT_MSG_EQ (nRoutes0, 3, "Error-- not three entries");
622  for (uint32_t i = 0; i < globalRouting0->GetNRoutes (); i++)
623  {
624  route = globalRouting0->GetRoute (i);
625  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
626  }
627  // Spot check the last route
628  if (route)
629  {
630  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.3.0"), "Error-- wrong destination");
631  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.1.2"), "Error-- wrong gateway");
632  }
633 
634  // n1
635  // Test that the right number of routes found
636  route = 0;
637  uint32_t nRoutes1 = globalRouting1->GetNRoutes ();
638  NS_LOG_DEBUG ("BridgeTest nRoutes1 " << nRoutes1);
639  NS_TEST_ASSERT_MSG_EQ (nRoutes1, 3, "Error-- not three entries");
640  for (uint32_t i = 0; i < globalRouting1->GetNRoutes (); i++)
641  {
642  route = globalRouting1->GetRoute (i);
643  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
644  }
645  // Spot check the last route
646  if (route)
647  {
648  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.3.0"), "Error-- wrong destination");
649  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.2.2"), "Error-- wrong gateway");
650  }
651 
652  // skip n2 and n3, just verify n4
653  NS_LOG_DEBUG ("BridgeTest skip print out of n2 and n3, go next to node n4");
654 
655  // n4
656  route = 0;
657  // Test that the right number of routes found
658  uint32_t nRoutes4 = globalRouting4->GetNRoutes ();
659  NS_LOG_DEBUG ("BridgeTest nRoutes4 " << nRoutes4);
660  NS_TEST_ASSERT_MSG_EQ (nRoutes4, 3, "Error-- not three entries");
661  for (uint32_t i = 0; i < globalRouting4->GetNRoutes (); i++)
662  {
663  route = globalRouting4->GetRoute (i);
664  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
665  }
666  // Spot check the last route
667  if (route)
668  {
669  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.1.0"), "Error-- wrong destination");
670  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.3.1"), "Error-- wrong gateway");
671  }
672 
673  Simulator::Destroy ();
674 }
675 
682 class TwoBridgeTest : public TestCase
683 {
684 public:
685  virtual void DoSetup (void);
686  virtual void DoRun (void);
687  TwoBridgeTest ();
688 private:
689  NodeContainer m_nodes;
690 };
691 
692 TwoBridgeTest::TwoBridgeTest ()
693  : TestCase ("Global routing across two bridges")
694 {
695 }
696 
697 void
698 TwoBridgeTest::DoSetup ()
699 {
700  m_nodes.Create (5);
701 
702  //connect node0 to node1
703  Ptr<SimpleChannel> channel = CreateObject <SimpleChannel> ();
704  SimpleNetDeviceHelper simpleHelper;
705  NetDeviceContainer net = simpleHelper.Install (m_nodes.Get (0), channel);
706  net.Add (simpleHelper.Install (m_nodes.Get (1), channel));
707 
708  NetDeviceContainer bridgeFacingDevices;
709  NetDeviceContainer switchn2Devices;
710  NetDeviceContainer switchn3Devices;
711 
712  //connect node1 to node2 (switch)
713  Ptr<SimpleChannel> channel2 = CreateObject <SimpleChannel> ();
714  SimpleNetDeviceHelper simpleHelper2;
715  NetDeviceContainer net2 = simpleHelper2.Install (m_nodes.Get (1), channel2);
716  net2.Add (simpleHelper2.Install (m_nodes.Get (2), channel2));
717  bridgeFacingDevices.Add (net2.Get (0));
718  switchn2Devices.Add (net2.Get (1));
719 
720  //connect node2 (switch) to node3
721  Ptr<SimpleChannel> channel3 = CreateObject <SimpleChannel> ();
722  SimpleNetDeviceHelper simpleHelper3;
723  NetDeviceContainer net3 = simpleHelper3.Install (m_nodes.Get (2), channel3);
724  net3.Add (simpleHelper3.Install (m_nodes.Get (3), channel3));
725  switchn2Devices.Add (net3.Get (0));
726  switchn3Devices.Add (net3.Get (1));
727 
728  //connect node3 to node4
729  Ptr<SimpleChannel> channel4 = CreateObject <SimpleChannel> ();
730  SimpleNetDeviceHelper simpleHelper4;
731  NetDeviceContainer net4 = simpleHelper4.Install (m_nodes.Get (3), channel4);
732  net4.Add (simpleHelper4.Install (m_nodes.Get (4), channel4));
733  switchn3Devices.Add (net4.Get (0));
734  bridgeFacingDevices.Add (net4.Get (1));
735 
736  Ptr<Node> switchn2Node = m_nodes.Get (2);
737  BridgeHelper bridgen2Helper;
738  bridgen2Helper.Install (switchn2Node, switchn2Devices);
739 
740  Ptr<Node> switchn3Node = m_nodes.Get (3);
741  BridgeHelper bridgen3Helper;
742  bridgen3Helper.Install (switchn3Node, switchn3Devices);
743 
744  InternetStackHelper internet;
745  // By default, InternetStackHelper adds a static and global routing
746  // implementation. We just want the global for this test.
747  Ipv4GlobalRoutingHelper ipv4RoutingHelper;
748  internet.SetRoutingHelper (ipv4RoutingHelper);
749 
750  internet.Install (m_nodes.Get (0));
751  internet.Install (m_nodes.Get (1));
752  // m_nodes.Get (2) is bridge node
753  // m_nodes.Get (3) is bridge node
754  internet.Install (m_nodes.Get (4));
755 
756  Ipv4AddressHelper address;
757  address.SetBase ("10.1.1.0", "255.255.255.0");
758  address.Assign (net);
759 
760  address.SetBase ("10.1.2.0", "255.255.255.0");
761  address.Assign (bridgeFacingDevices);
762 
763 }
764 
765 void
766 TwoBridgeTest::DoRun ()
767 {
768  Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
769 
770  Ptr<Ipv4L3Protocol> ip0 = m_nodes.Get (0)->GetObject<Ipv4L3Protocol> ();
771  NS_TEST_ASSERT_MSG_NE (ip0, 0, "Error-- no Ipv4 object");
772  Ptr<Ipv4RoutingProtocol> routing0 = ip0->GetRoutingProtocol ();
773  NS_TEST_ASSERT_MSG_NE (routing0, 0, "Error-- no Ipv4 routing protocol object");
774  Ptr<Ipv4GlobalRouting> globalRouting0 = routing0->GetObject <Ipv4GlobalRouting> ();
775  NS_TEST_ASSERT_MSG_NE (globalRouting0, 0, "Error-- no Ipv4GlobalRouting object");
776 
777  // Skip to n4
778  Ptr<Ipv4L3Protocol> ip4 = m_nodes.Get (4)->GetObject<Ipv4L3Protocol> ();
779  NS_TEST_ASSERT_MSG_NE (ip4, 0, "Error-- no Ipv4 object");
780  Ptr<Ipv4RoutingProtocol> routing4 = ip4->GetRoutingProtocol ();
781  NS_TEST_ASSERT_MSG_NE (routing4, 0, "Error-- no Ipv4 routing protocol object");
782  Ptr<Ipv4GlobalRouting> globalRouting4 = routing4->GetObject <Ipv4GlobalRouting> ();
783  NS_TEST_ASSERT_MSG_NE (globalRouting4, 0, "Error-- no Ipv4GlobalRouting object");
784 
785  Ipv4RoutingTableEntry* route = 0;
786  // n0
787  // Test that the right number of routes found
788  uint32_t nRoutes0 = globalRouting0->GetNRoutes ();
789  NS_LOG_DEBUG ("BridgeTest nRoutes0 " << nRoutes0);
790  NS_TEST_ASSERT_MSG_EQ (nRoutes0, 2, "Error-- not two entries");
791  for (uint32_t i = 0; i < globalRouting0->GetNRoutes (); i++)
792  {
793  route = globalRouting0->GetRoute (i);
794  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
795  }
796  // Spot check the last route
797  if (route)
798  {
799  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.2.0"), "Error-- wrong destination");
800  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.1.2"), "Error-- wrong gateway");
801  }
802  // skip n2 and n3, just verify n4
803  NS_LOG_DEBUG ("BridgeTest skip print out of n1-n3, go next to node n4");
804 
805  // n4
806  // Test that the right number of routes found
807  route = 0;
808  uint32_t nRoutes4 = globalRouting4->GetNRoutes ();
809  NS_LOG_DEBUG ("BridgeTest nRoutes4 " << nRoutes4);
810  NS_TEST_ASSERT_MSG_EQ (nRoutes4, 2, "Error-- not two entries");
811  for (uint32_t i = 0; i < globalRouting4->GetNRoutes (); i++)
812  {
813  route = globalRouting4->GetRoute (i);
814  NS_LOG_DEBUG ("entry dest " << route->GetDest () << " gw " << route->GetGateway ());
815  }
816  // Spot check the last route
817  if (route)
818  {
819  NS_TEST_ASSERT_MSG_EQ (route->GetDest (), Ipv4Address ("10.1.1.0"), "Error-- wrong destination");
820  NS_TEST_ASSERT_MSG_EQ (route->GetGateway (), Ipv4Address ("10.1.2.1"), "Error-- wrong gateway");
821  }
822 
823  Simulator::Destroy ();
824 }
825 
832 class Ipv4DynamicGlobalRoutingTestCase : public TestCase
833 {
834 public:
835  Ipv4DynamicGlobalRoutingTestCase ();
836  virtual ~Ipv4DynamicGlobalRoutingTestCase ();
837 
838 private:
843  void SendData (uint8_t index);
844 
849  void ShutDownSock (uint8_t index);
850 
855  void HandleRead (Ptr<Socket> socket);
856  virtual void DoRun (void);
857 
858  uint16_t m_count;
859  std::vector<std::pair<Ptr<Socket>, bool> > m_sendSocks;
860  DataRate m_dataRate;
861  uint16_t m_packetSize;
862  std::vector<uint8_t> m_firstInterface;
863  std::vector<uint8_t> m_secondInterface;
864 };
865 
866 // Add some help text to this case to describe what it is intended to test
867 Ipv4DynamicGlobalRoutingTestCase::Ipv4DynamicGlobalRoutingTestCase ()
868  : TestCase ("Dynamic global routing example"), m_count (0)
869 {
870  m_firstInterface.resize (16);
871  m_secondInterface.resize (16);
872  m_dataRate = DataRate ("2kbps");
873  m_packetSize = 50;
874 }
875 
876 Ipv4DynamicGlobalRoutingTestCase::~Ipv4DynamicGlobalRoutingTestCase ()
877 {
878  std::vector<std::pair<Ptr<Socket>, bool> >::iterator iter;
879 
880  for (iter = m_sendSocks.begin (); iter != m_sendSocks.end (); iter++)
881  {
882  if (iter->second)
883  {
884  iter->second = false;
885  iter->first->Close ();
886  iter->first = 0;
887  }
888  }
889 }
890 
891 void
892 Ipv4DynamicGlobalRoutingTestCase::HandleRead (Ptr<Socket> socket)
893 {
894  Ptr<Packet> packet;
895  Address from;
896  while ((packet = socket->RecvFrom (from)))
897  {
898  if (packet->GetSize () == 0)
899  { //EOF
900  break;
901  }
902  Ipv4PacketInfoTag tag;
903  bool found;
904  found = packet->PeekPacketTag (tag);
905  uint8_t now = static_cast<uint8_t> (Simulator::Now ().GetSeconds ());
906  if (found)
907  {
908  if (tag.GetRecvIf () == 1)
909  {
910  m_firstInterface[now]++;
911  }
912  if (tag.GetRecvIf () == 2)
913  {
914  m_secondInterface[now]++;
915  }
916  m_count++;
917  }
918  }
919 }
920 
921 void
922 Ipv4DynamicGlobalRoutingTestCase::SendData (uint8_t index)
923 {
924  if (m_sendSocks[index].second == false)
925  {
926  return;
927  }
928  Ptr<Packet> packet = Create<Packet> (m_packetSize);
929  m_sendSocks[index].first->Send (packet);
930 
931  Time tNext (MicroSeconds (m_packetSize * 8 * 1e6 / m_dataRate.GetBitRate ()));
932  Simulator::Schedule (tNext, &Ipv4DynamicGlobalRoutingTestCase::SendData, this, index);
933 }
934 
935 void
936 Ipv4DynamicGlobalRoutingTestCase::ShutDownSock (uint8_t index)
937 {
938  m_sendSocks[index].second = false;
939  m_sendSocks[index].first->Close ();
940  m_sendSocks[index].first = 0;
941 }
942 
943 // Test derived from examples/routing/dynamic-global-routing.cc
944 //
945 // Network topology
946 //
947 // n0
948 // \ p-p
949 // \ (shared csma/cd)
950 // n2 -------------------------n3
951 // / | |
952 // / p-p n4 n5 ---------- n6
953 // n1 p-p
954 // | |
955 // ----------------------------------------
956 // p-p
957 //
958 // Test that for node n6, the interface facing n5 receives packets at
959 // times (1-2), (4-6), (8-10), (11-12), (14-16) and the interface
960 // facing n1 receives packets at times (2-4), (6-8), (12-13)
961 //
962 void
963 Ipv4DynamicGlobalRoutingTestCase::DoRun (void)
964 {
965  // The below value configures the default behavior of global routing.
966  // By default, it is disabled. To respond to interface events, set to true
967  Config::SetDefault ("ns3::Ipv4GlobalRouting::RespondToInterfaceEvents", BooleanValue (true));
968 
969  NodeContainer c;
970  c.Create (7);
971  NodeContainer n0n2 = NodeContainer (c.Get (0), c.Get (2));
972  NodeContainer n1n2 = NodeContainer (c.Get (1), c.Get (2));
973  NodeContainer n5n6 = NodeContainer (c.Get (5), c.Get (6));
974  NodeContainer n1n6 = NodeContainer (c.Get (1), c.Get (6));
975  NodeContainer n2345 = NodeContainer (c.Get (2), c.Get (3), c.Get (4), c.Get (5));
976 
977  InternetStackHelper internet;
978  internet.Install (c);
979 
980  // We create the channels first without any IP addressing information
981  SimpleNetDeviceHelper devHelper;
982 
983  devHelper.SetNetDevicePointToPointMode (true);
984  NetDeviceContainer d0d2 = devHelper.Install (n0n2);
985  devHelper.SetNetDevicePointToPointMode (false);
986 
987  NetDeviceContainer d1d6 = devHelper.Install (n1n6);
988  NetDeviceContainer d1d2 = devHelper.Install (n1n2);
989  NetDeviceContainer d5d6 = devHelper.Install (n5n6);
990  NetDeviceContainer d2345 = devHelper.Install (n2345);
991 
992  // Later, we add IP addresses.
993  Ipv4AddressHelper ipv4;
994  ipv4.SetBase ("10.1.1.0", "255.255.255.0");
995  ipv4.Assign (d0d2);
996 
997  ipv4.SetBase ("10.1.2.0", "255.255.255.0");
998  ipv4.Assign (d1d2);
999 
1000  ipv4.SetBase ("10.1.3.0", "255.255.255.0");
1001  Ipv4InterfaceContainer i5i6 = ipv4.Assign (d5d6);
1002 
1003  ipv4.SetBase ("10.250.1.0", "255.255.255.0");
1004  ipv4.Assign (d2345);
1005 
1006  ipv4.SetBase ("172.16.1.0", "255.255.255.0");
1007  Ipv4InterfaceContainer i1i6 = ipv4.Assign (d1d6);
1008 
1009  // Create router nodes, initialize routing database and set up the routing
1010  // tables in the nodes.
1011  Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
1012 
1013  // Create the applications to send UDP datagrams of size
1014  // 50 bytes at a rate of 2 Kb/s
1015  TypeId tid = TypeId::LookupByName ("ns3::UdpSocketFactory");
1016  uint16_t port = 9; // Discard port (RFC 863)
1017 
1018  std::pair<Ptr<Socket>, bool> sendSockA;
1019  sendSockA.first = Socket::CreateSocket (c.Get (1), tid);
1020  sendSockA.first->Bind ();
1021  sendSockA.first->Connect (InetSocketAddress (i5i6.GetAddress (1), port));
1022  sendSockA.second = true;
1023  m_sendSocks.push_back (sendSockA);
1024  Simulator::Schedule (Seconds (1.0), &Ipv4DynamicGlobalRoutingTestCase::SendData, this, 0);
1025  Simulator::Schedule (Seconds (10.0), &Ipv4DynamicGlobalRoutingTestCase::ShutDownSock, this, 0);
1026 
1027  std::pair<Ptr<Socket>, bool> sendSockB;
1028  sendSockB.first = Socket::CreateSocket (c.Get (1), tid);
1029  sendSockB.first->Bind ();
1030  sendSockB.first->Connect (InetSocketAddress (i1i6.GetAddress (1), port));
1031  sendSockB.second = true;
1032  m_sendSocks.push_back (sendSockB);
1033  Simulator::Schedule (Seconds (11.0), &Ipv4DynamicGlobalRoutingTestCase::SendData, this, 1);
1034  Simulator::Schedule (Seconds (16.0), &Ipv4DynamicGlobalRoutingTestCase::ShutDownSock, this, 1);
1035 
1036 
1037  // Create an optional packet sink to receive these packets
1038  Ptr<Socket> sink2 = Socket::CreateSocket (c.Get (6), tid);
1039  sink2->Bind (Address (InetSocketAddress (Ipv4Address::GetAny (), port)));
1040  sink2->Listen ();
1041  sink2->ShutdownSend ();
1042 
1043  sink2->SetRecvPktInfo (true);
1044  sink2->SetRecvCallback (MakeCallback (&Ipv4DynamicGlobalRoutingTestCase::HandleRead, this));
1045 
1046  Ptr<Node> n1 = c.Get (1);
1047  Ptr<Ipv4> ipv41 = n1->GetObject<Ipv4> ();
1048  // The first ifIndex is 0 for loopback, then the first p2p is numbered 1,
1049  // then the next p2p is numbered 2
1050  uint32_t ipv4ifIndex1 = 2;
1051 
1052  Simulator::Schedule (Seconds (2), &Ipv4::SetDown,ipv41, ipv4ifIndex1);
1053  Simulator::Schedule (Seconds (4), &Ipv4::SetUp,ipv41, ipv4ifIndex1);
1054 
1055  Ptr<Node> n6 = c.Get (6);
1056  Ptr<Ipv4> ipv46 = n6->GetObject<Ipv4> ();
1057  // The first ifIndex is 0 for loopback, then the first p2p is numbered 1,
1058  // then the next p2p is numbered 2
1059  uint32_t ipv4ifIndex6 = 2;
1060  Simulator::Schedule (Seconds (6), &Ipv4::SetDown,ipv46, ipv4ifIndex6);
1061  Simulator::Schedule (Seconds (8), &Ipv4::SetUp,ipv46, ipv4ifIndex6);
1062 
1063  Simulator::Schedule (Seconds (12), &Ipv4::SetDown,ipv41, ipv4ifIndex1);
1064  Simulator::Schedule (Seconds (14), &Ipv4::SetUp,ipv41, ipv4ifIndex1);
1065 
1066  Simulator::Run ();
1067 
1068  NS_TEST_ASSERT_MSG_EQ (m_count, 70, "Dynamic global routing did not deliver all packets");
1069 // Test that for node n6, the interface facing n5 receives packets at
1070 // times (1-2), (4-6), (8-10), (11-12), (14-16) and the interface
1071 // facing n1 receives packets at times (2-4), (6-8), (12-13)
1072  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[1], 5, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[1]));
1073  NS_TEST_ASSERT_MSG_EQ (m_secondInterface[2], 5, "Dynamic global routing did not deliver all packets " << int(m_secondInterface[2]));
1074  NS_TEST_ASSERT_MSG_EQ (m_secondInterface[3], 5, "Dynamic global routing did not deliver all packets " << int(m_secondInterface[3]));
1075  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[4], 5, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[4]));
1076  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[5], 5, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[5]));
1077  NS_TEST_ASSERT_MSG_EQ (m_secondInterface[6], 5, "Dynamic global routing did not deliver all packets " << int(m_secondInterface[6]));
1078  NS_TEST_ASSERT_MSG_EQ (m_secondInterface[7], 5, "Dynamic global routing did not deliver all packets " << int(m_secondInterface[7]));
1079  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[8], 5, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[8]));
1080  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[9], 5, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[9]));
1081  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[10], 0, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[10]));
1082  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[11], 5, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[11]));
1083  NS_TEST_ASSERT_MSG_EQ (m_secondInterface[12], 5, "Dynamic global routing did not deliver all packets " << int(m_secondInterface[12]));
1084  NS_TEST_ASSERT_MSG_EQ (m_secondInterface[13], 5, "Dynamic global routing did not deliver all packets " << int(m_secondInterface[13]));
1085  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[14], 5, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[14]));
1086  NS_TEST_ASSERT_MSG_EQ (m_firstInterface[15], 5, "Dynamic global routing did not deliver all packets " << int(m_firstInterface[15]));
1087  Simulator::Destroy ();
1088 }
1089 
1096 class Ipv4GlobalRoutingSlash32TestCase : public TestCase
1097 {
1098 public:
1099  Ipv4GlobalRoutingSlash32TestCase ();
1100  virtual ~Ipv4GlobalRoutingSlash32TestCase ();
1101 
1102  Ptr<Packet> m_receivedPacket;
1103 
1108  void ReceivePkt (Ptr<Socket> socket);
1114  void DoSendData (Ptr<Socket> socket, std::string to);
1120  void SendData (Ptr<Socket> socket, std::string to);
1121 
1122 private:
1123  virtual void DoRun (void);
1124 };
1125 
1126 // Add some help text to this case to describe what it is intended to test
1127 Ipv4GlobalRoutingSlash32TestCase::Ipv4GlobalRoutingSlash32TestCase ()
1128  : TestCase ("Slash 32 global routing example")
1129 {
1130 }
1131 
1132 Ipv4GlobalRoutingSlash32TestCase::~Ipv4GlobalRoutingSlash32TestCase ()
1133 {
1134 }
1135 
1136 void
1137 Ipv4GlobalRoutingSlash32TestCase::ReceivePkt (Ptr<Socket> socket)
1138 {
1139  uint32_t availableData;
1140  availableData = socket->GetRxAvailable ();
1141  m_receivedPacket = socket->Recv (std::numeric_limits<uint32_t>::max (), 0);
1142  NS_TEST_ASSERT_MSG_EQ (availableData, m_receivedPacket->GetSize (), "Received packet size is not equal to Rx buffer size");
1143  //cast availableData to void, to suppress 'availableData' set but not used
1144  //compiler warning
1145  (void) availableData;
1146 }
1147 
1148 void
1149 Ipv4GlobalRoutingSlash32TestCase::DoSendData (Ptr<Socket> socket, std::string to)
1150 {
1151  Address realTo = InetSocketAddress (Ipv4Address (to.c_str ()), 1234);
1152  NS_TEST_EXPECT_MSG_EQ (socket->SendTo (Create<Packet> (123), 0, realTo),
1153  123, "100");
1154 }
1155 
1156 void
1157 Ipv4GlobalRoutingSlash32TestCase::SendData (Ptr<Socket> socket, std::string to)
1158 {
1159  m_receivedPacket = Create<Packet> ();
1160  Simulator::ScheduleWithContext (socket->GetNode ()->GetId (), Seconds (60),
1161  &Ipv4GlobalRoutingSlash32TestCase::DoSendData, this, socket, to);
1162  Simulator::Stop (Seconds (66));
1163  Simulator::Run ();
1164 }
1165 
1166 // Test program for this 3-router scenario, using global routing
1167 //
1168 // (a.a.a.a/32)A<--x.x.x.0/30-->B<--y.y.y.0/30-->C(c.c.c.c/32)
1169 //
1170 void
1171 Ipv4GlobalRoutingSlash32TestCase::DoRun (void)
1172 {
1173  Ptr<Node> nA = CreateObject<Node> ();
1174  Ptr<Node> nB = CreateObject<Node> ();
1175  Ptr<Node> nC = CreateObject<Node> ();
1176 
1177  NodeContainer c = NodeContainer (nA, nB, nC);
1178 
1179  InternetStackHelper internet;
1180  internet.Install (c);
1181 
1182  // simple links
1183  NodeContainer nAnB = NodeContainer (nA, nB);
1184  NodeContainer nBnC = NodeContainer (nB, nC);
1185 
1186  SimpleNetDeviceHelper devHelper;
1187 
1188  Ptr<SimpleNetDevice> deviceA = CreateObject<SimpleNetDevice> ();
1189  deviceA->SetAddress (Mac48Address::Allocate ());
1190  nA->AddDevice (deviceA);
1191 
1192  NetDeviceContainer dAdB = devHelper.Install (nAnB);
1193  NetDeviceContainer dBdC = devHelper.Install (nBnC);
1194 
1195  Ptr<SimpleNetDevice> deviceC = CreateObject<SimpleNetDevice> ();
1196  deviceC->SetAddress (Mac48Address::Allocate ());
1197  nC->AddDevice (deviceC);
1198 
1199  // Later, we add IP addresses.
1200  Ipv4AddressHelper ipv4;
1201  ipv4.SetBase ("10.1.1.0", "255.255.255.252");
1202  Ipv4InterfaceContainer iAiB = ipv4.Assign (dAdB);
1203 
1204  ipv4.SetBase ("10.1.1.4", "255.255.255.252");
1205  Ipv4InterfaceContainer iBiC = ipv4.Assign (dBdC);
1206 
1207  Ptr<Ipv4> ipv4A = nA->GetObject<Ipv4> ();
1208  Ptr<Ipv4> ipv4B = nB->GetObject<Ipv4> ();
1209  Ptr<Ipv4> ipv4C = nC->GetObject<Ipv4> ();
1210 
1211  int32_t ifIndexA = ipv4A->AddInterface (deviceA);
1212  int32_t ifIndexC = ipv4C->AddInterface (deviceC);
1213 
1214  Ipv4InterfaceAddress ifInAddrA = Ipv4InterfaceAddress (Ipv4Address ("172.16.1.1"), Ipv4Mask ("/32"));
1215  ipv4A->AddAddress (ifIndexA, ifInAddrA);
1216  ipv4A->SetMetric (ifIndexA, 1);
1217  ipv4A->SetUp (ifIndexA);
1218 
1219  Ipv4InterfaceAddress ifInAddrC = Ipv4InterfaceAddress (Ipv4Address ("192.168.1.1"), Ipv4Mask ("/32"));
1220  ipv4C->AddAddress (ifIndexC, ifInAddrC);
1221  ipv4C->SetMetric (ifIndexC, 1);
1222  ipv4C->SetUp (ifIndexC);
1223 
1224  // Create router nodes, initialize routing database and set up the routing
1225  // tables in the nodes.
1226  Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
1227 
1228  // Create the UDP sockets
1229  Ptr<SocketFactory> rxSocketFactory = nC->GetObject<UdpSocketFactory> ();
1230  Ptr<Socket> rxSocket = rxSocketFactory->CreateSocket ();
1231  NS_TEST_EXPECT_MSG_EQ (rxSocket->Bind (InetSocketAddress (Ipv4Address ("192.168.1.1"), 1234)), 0, "trivial");
1232  rxSocket->SetRecvCallback (MakeCallback (&Ipv4GlobalRoutingSlash32TestCase::ReceivePkt, this));
1233 
1234  Ptr<SocketFactory> txSocketFactory = nA->GetObject<UdpSocketFactory> ();
1235  Ptr<Socket> txSocket = txSocketFactory->CreateSocket ();
1236  txSocket->SetAllowBroadcast (true);
1237 
1238  // ------ Now the tests ------------
1239 
1240  // Unicast test
1241  SendData (txSocket, "192.168.1.1");
1242  NS_TEST_EXPECT_MSG_EQ (m_receivedPacket->GetSize (), 123, "Static routing with /32 did not deliver all packets.");
1243 
1244  Simulator::Destroy ();
1245 }
1246 
1253 class Ipv4GlobalRoutingTestSuite : public TestSuite
1254 {
1255 public:
1256  Ipv4GlobalRoutingTestSuite ();
1257 };
1258 
1259 Ipv4GlobalRoutingTestSuite::Ipv4GlobalRoutingTestSuite ()
1260  : TestSuite ("ipv4-global-routing", UNIT)
1261  {
1262  AddTestCase (new LinkTest, TestCase::QUICK);
1263  AddTestCase (new LanTest, TestCase::QUICK);
1264  AddTestCase (new TwoLinkTest, TestCase::QUICK);
1265  AddTestCase (new TwoLanTest, TestCase::QUICK);
1266  AddTestCase (new BridgeTest, TestCase::QUICK);
1267  AddTestCase (new TwoBridgeTest, TestCase::QUICK);
1268  AddTestCase (new Ipv4DynamicGlobalRoutingTestCase, TestCase::QUICK);
1269  AddTestCase (new Ipv4GlobalRoutingSlash32TestCase, TestCase::QUICK);
1270  }
1271 
1272 static Ipv4GlobalRoutingTestSuite g_globalRoutingTestSuite;
max
#define max(a, b)
Definition: 80211b.c:43
n1n2
NodeContainer n1n2
Definition: adaptive-red-tests.cc:91
n0n2
NodeContainer n0n2
Definition: adaptive-red-tests.cc:90
BridgeTest
IPv4 GlobalRouting Bridge test.
Definition: ipv4-global-routing-test-suite.cc:511
BridgeTest::DoSetup
virtual void DoSetup(void)
Implementation to do any local setup required for this TestCase.
Definition: ipv4-global-routing-test-suite.cc:526
BridgeTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: ipv4-global-routing-test-suite.cc:517
BridgeTest::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:590
Ipv4DynamicGlobalRoutingTestCase::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:963
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:863
Ipv4DynamicGlobalRoutingTestCase::HandleRead
void HandleRead(Ptr< Socket > socket)
Handle an incoming packet.
Definition: ipv4-global-routing-test-suite.cc:892
Ipv4DynamicGlobalRoutingTestCase::m_count
uint16_t m_count
Number of packets received.
Definition: ipv4-global-routing-test-suite.cc:858
Ipv4DynamicGlobalRoutingTestCase::m_sendSocks
std::vector< std::pair< Ptr< Socket >, bool > > m_sendSocks
Sending sockets.
Definition: ipv4-global-routing-test-suite.cc:859
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:862
Ipv4DynamicGlobalRoutingTestCase::ShutDownSock
void ShutDownSock(uint8_t index)
Shutdown a socket.
Definition: ipv4-global-routing-test-suite.cc:936
Ipv4DynamicGlobalRoutingTestCase::SendData
void SendData(uint8_t index)
Send some data.
Definition: ipv4-global-routing-test-suite.cc:922
Ipv4GlobalRoutingSlash32TestCase
IPv4 Dynamic GlobalRouting /32 test.
Definition: ipv4-global-routing-test-suite.cc:1097
Ipv4GlobalRoutingSlash32TestCase::ReceivePkt
void ReceivePkt(Ptr< Socket > socket)
Receive a packet.
Definition: ipv4-global-routing-test-suite.cc:1137
Ipv4GlobalRoutingSlash32TestCase::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:1171
Ipv4GlobalRoutingSlash32TestCase::SendData
void SendData(Ptr< Socket > socket, std::string to)
Send a packet.
Definition: ipv4-global-routing-test-suite.cc:1157
Ipv4GlobalRoutingSlash32TestCase::DoSendData
void DoSendData(Ptr< Socket > socket, std::string to)
Send a packet.
Definition: ipv4-global-routing-test-suite.cc:1149
Ipv4GlobalRoutingSlash32TestCase::m_receivedPacket
Ptr< Packet > m_receivedPacket
number of received packets
Definition: ipv4-global-routing-test-suite.cc:1102
LanTest
IPv4 GlobalRouting LAN test.
Definition: ipv4-global-routing-test-suite.cc:211
LanTest::DoSetup
virtual void DoSetup(void)
Implementation to do any local setup required for this TestCase.
Definition: ipv4-global-routing-test-suite.cc:226
LanTest::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:247
LanTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: ipv4-global-routing-test-suite.cc:217
TwoBridgeTest
IPv4 GlobalRouting Two bridges test.
Definition: ipv4-global-routing-test-suite.cc:683
TwoBridgeTest::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:766
TwoBridgeTest::DoSetup
virtual void DoSetup(void)
Implementation to do any local setup required for this TestCase.
Definition: ipv4-global-routing-test-suite.cc:698
TwoBridgeTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: ipv4-global-routing-test-suite.cc:689
TwoLanTest
IPv4 GlobalRouting Two LAN test.
Definition: ipv4-global-routing-test-suite.cc:411
TwoLanTest::DoRun
virtual void DoRun(void)
Implementation to actually run this TestCase.
Definition: ipv4-global-routing-test-suite.cc:455
TwoLanTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: ipv4-global-routing-test-suite.cc:417
TwoLanTest::DoSetup
virtual void DoSetup(void)
Implementation to do any local setup required for this TestCase.
Definition: ipv4-global-routing-test-suite.cc:426
ns3::Address
a polymophic address class
Definition: address.h:91
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: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:49
ns3::DataRate
Class for representing data rates.
Definition: data-rate.h:89
ns3::DataRate::GetBitRate
uint64_t GetBitRate() const
Get the underlying bitrate.
Definition: data-rate.cc:287
ns3::InetSocketAddress
an Inet address class
Definition: inet-socket-address.h:41
ns3::InternetStackHelper
aggregate IP/TCP/UDP functionality to existing Nodes.
Definition: internet-stack-helper.h:88
ns3::InternetStackHelper::Install
void Install(std::string nodeName) const
Aggregate implementations of the ns3::Ipv4, ns3::Ipv6, ns3::Udp, and ns3::Tcp classes onto the provid...
Definition: internet-stack-helper.cc:359
ns3::InternetStackHelper::SetRoutingHelper
void SetRoutingHelper(const Ipv4RoutingHelper &routing)
Definition: internet-stack-helper.cc:175
ns3::Ipv4AddressHelper
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
Definition: ipv4-address-helper.h:48
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:135
ns3::Ipv4Address
Ipv4 addresses are stored in host order in this class.
Definition: ipv4-address.h:41
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:77
ns3::Ipv4InterfaceAddress
a class to store IPv4 address information on an interface
Definition: ipv4-interface-address.h:44
ns3::Ipv4InterfaceContainer
holds a vector of std::pair of Ptr<Ipv4> and interface index.
Definition: ipv4-interface-container.h:55
ns3::Ipv4InterfaceContainer::GetAddress
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const
Definition: ipv4-interface-container.cc:59
ns3::Ipv4L3Protocol
Implement the IPv4 layer.
Definition: ipv4-l3-protocol.h:81
ns3::Ipv4Mask
a class to represent an Ipv4 address mask
Definition: ipv4-address.h:256
ns3::Ipv4PacketInfoTag
This class implements Linux struct pktinfo in order to deliver ancillary information to the socket in...
Definition: ipv4-packet-info-tag.h:50
ns3::Ipv4PacketInfoTag::GetRecvIf
uint32_t GetRecvIf(void) const
Get the tag's receiving interface.
Definition: ipv4-packet-info-tag.cc:61
ns3::Ipv4RoutingTableEntry
A record of an IPv4 routing table entry for Ipv4GlobalRouting and Ipv4StaticRouting.
Definition: ipv4-routing-table-entry.h:37
ns3::Ipv4RoutingTableEntry::GetDest
Ipv4Address GetDest(void) const
Definition: ipv4-routing-table-entry.cc:109
ns3::Ipv4RoutingTableEntry::GetGateway
Ipv4Address GetGateway(void) const
Definition: ipv4-routing-table-entry.cc:159
ns3::NetDeviceContainer
holds a vector of ns3::NetDevice pointers
Definition: net-device-container.h:42
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
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:62
ns3::NodeContainer
keep track of a set of node pointers.
Definition: node-container.h:39
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:98
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:93
ns3::Node::GetId
uint32_t GetId(void) const
Definition: node.cc:109
ns3::Node::AddDevice
uint32_t AddDevice(Ptr< NetDevice > device)
Associate a NetDevice to this node.
Definition: node.cc:130
ns3::Object::GetObject
Ptr< T > GetObject(void) const
Get a pointer to the requested aggregated Object.
Definition: object.h:470
ns3::Packet::PeekPacketTag
bool PeekPacketTag(Tag &tag) const
Search a matching tag and call Tag::Deserialize if it is found.
Definition: packet.cc:978
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:856
ns3::Ptr
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:74
ns3::SimpleNetDeviceHelper
build a set of SimpleNetDevice objects
Definition: simple-net-device-helper.h:37
ns3::SimpleNetDeviceHelper::SetNetDevicePointToPointMode
void SetNetDevicePointToPointMode(bool pointToPointMode)
SimpleNetDevice is Broadcast capable and ARP needing.
Definition: simple-net-device-helper.cc:95
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:107
ns3::Socket::SetRecvPktInfo
void SetRecvPktInfo(bool flag)
Enable/Disable receive packet information to socket.
Definition: socket.cc:358
ns3::Socket::Listen
virtual int Listen(void)=0
Listen for incoming connections.
ns3::Socket::ShutdownSend
virtual int ShutdownSend(void)=0
ns3::Socket::Recv
virtual Ptr< Packet > Recv(uint32_t maxSize, uint32_t flags)=0
Read data from the socket.
ns3::Socket::GetNode
virtual Ptr< Node > GetNode(void) const =0
Return the node this socket is associated with.
ns3::Socket::SetRecvCallback
void SetRecvCallback(Callback< void, Ptr< Socket > > receivedData)
Notify application when new data is available to be read.
Definition: socket.cc:128
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.
ns3::Socket::Bind
virtual int Bind(const Address &address)=0
Allocate a local endpoint for this socket.
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::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:994
ns3::TestCase::AddTestCase
void AddTestCase(TestCase *testCase, TestDuration duration=QUICK)
Add an individual child TestCase to this test suite.
Definition: test.cc:299
ns3::TestSuite
A suite of tests to run.
Definition: test.h:1188
ns3::Time
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:103
ns3::Time::GetSeconds
double GetSeconds(void) const
Get an approximation of the time stored in this instance in the indicated unit.
Definition: nstime.h:379
ns3::TypeId
a unique identifier for an interface.
Definition: type-id.h:59
ns3::UdpSocketFactory
API to create UDP socket instances.
Definition: udp-socket-factory.h:42
port
uint16_t port
Definition: dsdv-manet.cc:45
ns3::Config::SetDefault
void SetDefault(std::string name, const AttributeValue &value)
Definition: config.cc:849
NS_LOG_COMPONENT_DEFINE
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
NS_LOG_DEBUG
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
Definition: log.h:273
ns3::TracedValueCallback::DataRate
void(* DataRate)(DataRate oldValue, DataRate newValue)
TracedValue callback signature for DataRate.
Definition: data-rate.h:329
ns3::Now
Time Now(void)
create an ns3::Time instance which contains the current simulation time.
Definition: simulator.cc:287
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:141
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:240
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:542
ns3::MicroSeconds
Time MicroSeconds(uint64_t value)
Construct a Time in the indicated unit.
Definition: nstime.h:1260
ns3::Seconds
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1244
g_globalRoutingTestSuite
static Ipv4GlobalRoutingTestSuite g_globalRoutingTestSuite
Static variable for test initialization.
Definition: ipv4-global-routing-test-suite.cc:1272
first.address
address
Definition: first.py:44
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ns3::MakeCallback
Callback< R, Ts... > MakeCallback(R(T::*memPtr)(Ts...), OBJ objPtr)
Build Callbacks for class method members which take varying numbers of arguments and potentially retu...
Definition: callback.h:1648
second
Definition: second.py:1
third.channel
channel
Definition: third.py:92
SetUp
void SetUp(char *deviceName)
Definition: tap-device-creator.cc:203