A Discrete-Event Network Simulator
API
neighbor-cache-test.cc
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1 /*
2  * Copyright (c) 2022 ZHIHENG DONG
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License version 2 as
6  * published by the Free Software Foundation;
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program; if not, write to the Free Software
15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16  *
17  * Author: Zhiheng Dong <dzh2077@gmail.com>
18  */
19 
20 #include "ns3/icmpv4-l4-protocol.h"
21 #include "ns3/icmpv6-l4-protocol.h"
22 #include "ns3/internet-stack-helper.h"
23 #include "ns3/ipv4-address-helper.h"
24 #include "ns3/ipv4-l3-protocol.h"
25 #include "ns3/ipv4-routing-helper.h"
26 #include "ns3/ipv6-address-helper.h"
27 #include "ns3/ipv6-l3-protocol.h"
28 #include "ns3/ipv6-routing-helper.h"
29 #include "ns3/neighbor-cache-helper.h"
30 #include "ns3/simple-channel.h"
31 #include "ns3/simple-net-device-helper.h"
32 #include "ns3/simple-net-device.h"
33 #include "ns3/simulator.h"
34 #include "ns3/socket-factory.h"
35 #include "ns3/socket.h"
36 #include "ns3/test.h"
37 #include "ns3/udp-l4-protocol.h"
38 #include "ns3/udp-socket-factory.h"
39 
40 using namespace ns3;
41 
47 class DynamicNeighborCacheTest : public TestCase
48 {
49  Ptr<Packet> m_receivedPacket;
50 
56  void DoSendDatav4(Ptr<Socket> socket, Ipv4Address to);
57 
63  void DoSendDatav6(Ptr<Socket> socket, Ipv6Address to);
64 
70  void SendData(Ptr<Socket> socket, Ipv4Address to);
71 
77  void SendData(Ptr<Socket> socket, Ipv6Address to);
78 
84  void AddIpv4Address(Ptr<Ipv4Interface> ipv4Interface, Ipv4InterfaceAddress ifaceAddr);
85 
91  void AddIpv6Address(Ptr<Ipv6Interface> ipv6Interface, Ipv6InterfaceAddress ifaceAddr);
92 
98  void RemoveIpv4Address(Ptr<Ipv4Interface> ipv4Interface, uint32_t index);
99 
105  void RemoveIpv6Address(Ptr<Ipv6Interface> ipv6Interface, uint32_t index);
106 
107  public:
108  void DoRun() override;
109 
110  DynamicNeighborCacheTest();
111 
116  void ReceivePkt(Ptr<Socket> socket);
117 
118  std::vector<uint32_t> m_receivedPacketSizes;
119 };
120 
121 DynamicNeighborCacheTest::DynamicNeighborCacheTest()
122  : TestCase(
123  "The DynamicNeighborCacheTestPopulate checks if neighbor caches are correctly populated "
124  "in global scope and updated when there is an IP address added or removed.")
125 {
126 }
127 
128 void
129 DynamicNeighborCacheTest::ReceivePkt(Ptr<Socket> socket)
130 {
131  uint32_t availableData [[maybe_unused]] = socket->GetRxAvailable();
132  m_receivedPacket = socket->Recv(std::numeric_limits<uint32_t>::max(), 0);
133  NS_TEST_ASSERT_MSG_EQ(availableData,
134  m_receivedPacket->GetSize(),
135  "Received Packet size is not equal to the Rx buffer size");
136  m_receivedPacketSizes.push_back(m_receivedPacket->GetSize());
137 }
138 
139 void
140 DynamicNeighborCacheTest::DoSendDatav4(Ptr<Socket> socket, Ipv4Address to)
141 {
142  Address realTo = InetSocketAddress(to, 1234);
143  NS_TEST_EXPECT_MSG_EQ(socket->SendTo(Create<Packet>(123), 0, realTo), 123, "100");
144 }
145 
146 void
147 DynamicNeighborCacheTest::DoSendDatav6(Ptr<Socket> socket, Ipv6Address to)
148 {
149  Address realTo = Inet6SocketAddress(to, 1234);
150  NS_TEST_EXPECT_MSG_EQ(socket->SendTo(Create<Packet>(123), 0, realTo), 123, "100");
151 }
152 
153 void
154 DynamicNeighborCacheTest::SendData(Ptr<Socket> socket, Ipv4Address to)
155 {
156  m_receivedPacket = Create<Packet>();
157  Simulator::ScheduleWithContext(socket->GetNode()->GetId(),
158  Seconds(60),
159  &DynamicNeighborCacheTest::DoSendDatav4,
160  this,
161  socket,
162  to);
163 }
164 
165 void
166 DynamicNeighborCacheTest::SendData(Ptr<Socket> socket, Ipv6Address to)
167 {
168  m_receivedPacket = Create<Packet>();
169  Simulator::ScheduleWithContext(socket->GetNode()->GetId(),
170  Seconds(60),
171  &DynamicNeighborCacheTest::DoSendDatav6,
172  this,
173  socket,
174  to);
175 }
176 
177 void
178 DynamicNeighborCacheTest::AddIpv4Address(Ptr<Ipv4Interface> ipv4Interface,
179  Ipv4InterfaceAddress ifaceAddr)
180 {
181  ipv4Interface->AddAddress(ifaceAddr);
182 }
183 
184 void
185 DynamicNeighborCacheTest::AddIpv6Address(Ptr<Ipv6Interface> ipv6Interface,
186  Ipv6InterfaceAddress ifaceAddr)
187 {
188  ipv6Interface->AddAddress(ifaceAddr);
189 }
190 
191 void
192 DynamicNeighborCacheTest::RemoveIpv4Address(Ptr<Ipv4Interface> ipv4Interface, uint32_t index)
193 {
194  ipv4Interface->RemoveAddress(index);
195 }
196 
197 void
198 DynamicNeighborCacheTest::RemoveIpv6Address(Ptr<Ipv6Interface> ipv6Interface, uint32_t index)
199 {
200  ipv6Interface->RemoveAddress(index);
201 }
202 
203 void
204 DynamicNeighborCacheTest::DoRun()
205 {
206  Ptr<Node> tx1Node = CreateObject<Node>();
207  Ptr<Node> tx2Node = CreateObject<Node>();
208  Ptr<Node> rxNode = CreateObject<Node>();
209  Ptr<Node> snifferNode = CreateObject<Node>();
210 
211  NodeContainer all(tx1Node, tx2Node, rxNode, snifferNode);
212 
213  std::ostringstream stringStream1v4;
214  Ptr<OutputStreamWrapper> arpStream = Create<OutputStreamWrapper>(&stringStream1v4);
215  std::ostringstream stringStream1v6;
216  Ptr<OutputStreamWrapper> ndiscStream = Create<OutputStreamWrapper>(&stringStream1v6);
217 
218  InternetStackHelper internetNodes;
219  internetNodes.Install(all);
220 
221  NetDeviceContainer net;
222  // Sender Node
223  Ptr<SimpleNetDevice> tx1Dev;
224  {
225  tx1Dev = CreateObject<SimpleNetDevice>();
226  tx1Dev->SetAddress(Mac48Address("00:00:00:00:00:01"));
227  tx1Node->AddDevice(tx1Dev);
228  }
229  net.Add(tx1Dev);
230 
231  Ptr<SimpleNetDevice> tx2Dev;
232  {
233  tx2Dev = CreateObject<SimpleNetDevice>();
234  tx2Dev->SetAddress(Mac48Address("00:00:00:00:00:02"));
235  tx2Node->AddDevice(tx2Dev);
236  }
237  net.Add(tx2Dev);
238 
239  // Receive node
240  Ptr<SimpleNetDevice> rxDev;
241  {
242  rxDev = CreateObject<SimpleNetDevice>();
243  rxDev->SetAddress(Mac48Address("00:00:00:00:00:03"));
244  rxNode->AddDevice(rxDev);
245  }
246  net.Add(rxDev);
247 
248  // Sniffer node
249  Ptr<SimpleNetDevice> snifferDev;
250  {
251  snifferDev = CreateObject<SimpleNetDevice>();
252  snifferDev->SetAddress(Mac48Address("00:00:00:00:00:04"));
253  snifferNode->AddDevice(snifferDev);
254  }
255  net.Add(snifferDev);
256 
257  // link the channels
258  Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
259  tx1Dev->SetChannel(channel);
260  tx2Dev->SetChannel(channel);
261  rxDev->SetChannel(channel);
262  snifferDev->SetChannel(channel);
263 
264  // Setup IPv4 addresses
265  Ipv4AddressHelper ipv4;
266  ipv4.SetBase(Ipv4Address("10.0.1.0"), Ipv4Mask("255.255.255.0"));
267  Ipv4InterfaceContainer icv4 = ipv4.Assign(net);
268 
269  // Add address 10.1.1.5 to rxNode in 0.5 seconds
270  Ptr<Node> n1 = rxNode;
271  uint32_t ipv4ifIndex = 1;
272  Ptr<Ipv4Interface> ipv4Interface = n1->GetObject<Ipv4L3Protocol>()->GetInterface(ipv4ifIndex);
273  Ipv4InterfaceAddress ifaceAddr = Ipv4InterfaceAddress("10.0.1.5", "255.255.255.0");
274  Simulator::Schedule(Seconds(0.5),
275  &DynamicNeighborCacheTest::AddIpv4Address,
276  this,
277  ipv4Interface,
278  ifaceAddr);
279 
280  // Remove the first address (10.1.1.3) from rxNode in 1.5 seconds
281  uint32_t addressIndex = 0;
282  Simulator::Schedule(Seconds(1.5),
283  &DynamicNeighborCacheTest::RemoveIpv4Address,
284  this,
285  ipv4Interface,
286  addressIndex);
287 
288  // Setup IPv6 addresses
289  Ipv6AddressHelper ipv6;
290  ipv6.SetBase(Ipv6Address("2001:0::"), Ipv6Prefix(64));
291  Ipv6InterfaceContainer icv6 = ipv6.Assign(net);
292 
293  // Add address 2001:1::200:ff:fe00:5 to rxNode in 0.5 seconds
294  uint32_t ipv6ifIndex = 1;
295  Ptr<Ipv6Interface> ipv6Interface = n1->GetObject<Ipv6L3Protocol>()->GetInterface(ipv6ifIndex);
296  Ipv6InterfaceAddress ifaceAddrv6 =
297  Ipv6InterfaceAddress("2001:0::200:ff:fe00:5", Ipv6Prefix(64));
298  Simulator::Schedule(Seconds(0.5),
299  &DynamicNeighborCacheTest::AddIpv6Address,
300  this,
301  ipv6Interface,
302  ifaceAddrv6);
303 
304  // Remove the second address (2001:1::200:ff:fe00:3) from rxNode in 1.5 seconds
305  addressIndex = 1;
306  Simulator::Schedule(Seconds(1.5),
307  &DynamicNeighborCacheTest::RemoveIpv6Address,
308  this,
309  ipv6Interface,
310  addressIndex);
311 
312  // Populate neighbor caches.
313  NeighborCacheHelper neighborCache;
314  neighborCache.SetDynamicNeighborCache(true);
315  neighborCache.PopulateNeighborCache();
316 
317  // Print cache.
318  Ipv4RoutingHelper::PrintNeighborCacheAllAt(Seconds(0), arpStream);
319  Ipv6RoutingHelper::PrintNeighborCacheAllAt(Seconds(0), ndiscStream);
320  Ipv4RoutingHelper::PrintNeighborCacheAllAt(Seconds(1), arpStream);
321  Ipv6RoutingHelper::PrintNeighborCacheAllAt(Seconds(1), ndiscStream);
322  Ipv4RoutingHelper::PrintNeighborCacheAllAt(Seconds(2), arpStream);
323  Ipv6RoutingHelper::PrintNeighborCacheAllAt(Seconds(2), ndiscStream);
324 
325  // Create the UDP sockets
326  Ptr<SocketFactory> rxSocketFactory = rxNode->GetObject<UdpSocketFactory>();
327  Ptr<Socket> rxSocketv4 = rxSocketFactory->CreateSocket();
328  Ptr<Socket> rxSocketv6 = rxSocketFactory->CreateSocket();
329  NS_TEST_EXPECT_MSG_EQ(rxSocketv4->Bind(InetSocketAddress(Ipv4Address("10.0.1.5"), 1234)),
330  0,
331  "trivial");
332  NS_TEST_EXPECT_MSG_EQ(
333  rxSocketv6->Bind(Inet6SocketAddress(Ipv6Address("2001:0::200:ff:fe00:5"), 1234)),
334  0,
335  "trivial");
336  rxSocketv4->SetRecvCallback(MakeCallback(&DynamicNeighborCacheTest::ReceivePkt, this));
337  rxSocketv6->SetRecvCallback(MakeCallback(&DynamicNeighborCacheTest::ReceivePkt, this));
338 
339  Ptr<SocketFactory> snifferSocketFactory = snifferNode->GetObject<UdpSocketFactory>();
340  Ptr<Socket> snifferSocketv4 = snifferSocketFactory->CreateSocket();
341  Ptr<Socket> snifferSocketv6 = snifferSocketFactory->CreateSocket();
342  NS_TEST_EXPECT_MSG_EQ(snifferSocketv4->Bind(InetSocketAddress(Ipv4Address("10.0.1.4"), 1234)),
343  0,
344  "trivial");
345  NS_TEST_EXPECT_MSG_EQ(
346  snifferSocketv6->Bind(Inet6SocketAddress(Ipv6Address("2001:0::200:ff:fe00:4"), 1234)),
347  0,
348  "trivial");
349  snifferSocketv4->SetRecvCallback(MakeCallback(&DynamicNeighborCacheTest::ReceivePkt, this));
350  snifferSocketv6->SetRecvCallback(MakeCallback(&DynamicNeighborCacheTest::ReceivePkt, this));
351 
352  Ptr<SocketFactory> tx1SocketFactory = tx1Node->GetObject<UdpSocketFactory>();
353  Ptr<Socket> tx1Socket = tx1SocketFactory->CreateSocket();
354  tx1Socket->SetAllowBroadcast(true);
355 
356  Ptr<SocketFactory> tx2SocketFactory = tx2Node->GetObject<UdpSocketFactory>();
357  Ptr<Socket> tx2Socket = tx2SocketFactory->CreateSocket();
358  tx2Socket->SetAllowBroadcast(true);
359 
360  // ------ Now the tests ------------
361 
362  // Unicast test
363 
364  // send data to the added address
365  SendData(tx1Socket, Ipv4Address("10.0.1.5"));
366  SendData(tx1Socket, Ipv6Address("2001:0::200:ff:fe00:5"));
367 
368  // send data to the removed address
369  SendData(tx1Socket, Ipv4Address("10.0.1.3"));
370  SendData(tx1Socket, Ipv6Address("2001:0::200:ff:fe00:3"));
371 
372  Simulator::Stop(Seconds(66));
373  Simulator::Run();
374 
375  // Check if all packet are correctly received.
376  NS_TEST_EXPECT_MSG_EQ(m_receivedPacketSizes[0],
377  123,
378  "Should receive packet sending to the added IPv4 address.");
379  NS_TEST_EXPECT_MSG_EQ(m_receivedPacketSizes[1],
380  123,
381  "Should receive packet sending to the added IPv6 address.");
382  NS_TEST_EXPECT_MSG_EQ(
383  m_receivedPacketSizes.size(),
384  2,
385  "Should receive only 1 packet from IPv4 interface and only 1 packet from IPv6 interface.");
386 
387  // Check if the arp caches are populated correctly at time 0,
388  // Check if the arp caches are updated correctly at time 1 after new IP address is added,
389  // Check if the arp caches are updated correctly at time 2 after an IP address is removed.
390  constexpr auto arpCache =
391  "ARP Cache of node 0 at time 0\n"
392  "10.0.1.2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
393  "10.0.1.3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
394  "10.0.1.4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
395  "ARP Cache of node 1 at time 0\n"
396  "10.0.1.1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
397  "10.0.1.3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
398  "10.0.1.4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
399  "ARP Cache of node 2 at time 0\n"
400  "10.0.1.1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
401  "10.0.1.2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
402  "10.0.1.4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
403  "ARP Cache of node 3 at time 0\n"
404  "10.0.1.1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
405  "10.0.1.2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
406  "10.0.1.3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
407  "ARP Cache of node 0 at time 1\n"
408  "10.0.1.2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
409  "10.0.1.3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
410  "10.0.1.4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
411  "10.0.1.5 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
412  "ARP Cache of node 1 at time 1\n"
413  "10.0.1.1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
414  "10.0.1.3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
415  "10.0.1.4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
416  "10.0.1.5 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
417  "ARP Cache of node 2 at time 1\n"
418  "10.0.1.1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
419  "10.0.1.2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
420  "10.0.1.4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
421  "ARP Cache of node 3 at time 1\n"
422  "10.0.1.1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
423  "10.0.1.2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
424  "10.0.1.3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
425  "10.0.1.5 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
426  "ARP Cache of node 0 at time 2\n"
427  "10.0.1.2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
428  "10.0.1.4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
429  "10.0.1.5 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
430  "ARP Cache of node 1 at time 2\n"
431  "10.0.1.1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
432  "10.0.1.4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
433  "10.0.1.5 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
434  "ARP Cache of node 2 at time 2\n"
435  "10.0.1.1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
436  "10.0.1.2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
437  "10.0.1.4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
438  "ARP Cache of node 3 at time 2\n"
439  "10.0.1.1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
440  "10.0.1.2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
441  "10.0.1.5 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n";
442  NS_TEST_EXPECT_MSG_EQ(stringStream1v4.str(), arpCache, "Arp cache is incorrect.");
443 
444  // Check if the ndisc caches are populated correctly at time 0,
445  // Check if the ndisc caches are updated correctly at time 1 after new IP address is added,
446  // Check if the ndisc caches are updated correctly at time 2 after an IP address is removed.
447  constexpr auto NdiscCache =
448  "NDISC Cache of node 0 at time +0s\n"
449  "2001::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
450  "2001::200:ff:fe00:3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
451  "2001::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
452  "fe80::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
453  "fe80::200:ff:fe00:3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
454  "fe80::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
455  "NDISC Cache of node 1 at time +0s\n"
456  "2001::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
457  "2001::200:ff:fe00:3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
458  "2001::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
459  "fe80::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
460  "fe80::200:ff:fe00:3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
461  "fe80::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
462  "NDISC Cache of node 2 at time +0s\n"
463  "2001::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
464  "2001::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
465  "2001::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
466  "fe80::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
467  "fe80::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
468  "fe80::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
469  "NDISC Cache of node 3 at time +0s\n"
470  "2001::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
471  "2001::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
472  "2001::200:ff:fe00:3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
473  "fe80::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
474  "fe80::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
475  "fe80::200:ff:fe00:3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
476  "NDISC Cache of node 0 at time +1s\n"
477  "2001::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
478  "2001::200:ff:fe00:3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
479  "2001::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
480  "2001::200:ff:fe00:5 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
481  "fe80::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
482  "fe80::200:ff:fe00:3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
483  "fe80::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
484  "NDISC Cache of node 1 at time +1s\n"
485  "2001::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
486  "2001::200:ff:fe00:3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
487  "2001::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
488  "2001::200:ff:fe00:5 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
489  "fe80::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
490  "fe80::200:ff:fe00:3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
491  "fe80::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
492  "NDISC Cache of node 2 at time +1s\n"
493  "2001::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
494  "2001::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
495  "2001::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
496  "fe80::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
497  "fe80::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
498  "fe80::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
499  "NDISC Cache of node 3 at time +1s\n"
500  "2001::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
501  "2001::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
502  "2001::200:ff:fe00:3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
503  "2001::200:ff:fe00:5 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
504  "fe80::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
505  "fe80::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
506  "fe80::200:ff:fe00:3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
507  "NDISC Cache of node 0 at time +2s\n"
508  "2001::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
509  "2001::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
510  "2001::200:ff:fe00:5 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
511  "fe80::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
512  "fe80::200:ff:fe00:3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
513  "fe80::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
514  "NDISC Cache of node 1 at time +2s\n"
515  "2001::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
516  "2001::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
517  "2001::200:ff:fe00:5 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
518  "fe80::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
519  "fe80::200:ff:fe00:3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
520  "fe80::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
521  "NDISC Cache of node 2 at time +2s\n"
522  "2001::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
523  "2001::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
524  "2001::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
525  "fe80::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
526  "fe80::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
527  "fe80::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
528  "NDISC Cache of node 3 at time +2s\n"
529  "2001::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
530  "2001::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
531  "2001::200:ff:fe00:5 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
532  "fe80::200:ff:fe00:1 dev 1 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
533  "fe80::200:ff:fe00:2 dev 1 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
534  "fe80::200:ff:fe00:3 dev 1 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n";
535  NS_TEST_EXPECT_MSG_EQ(stringStream1v6.str(), NdiscCache, "Ndisc cache is incorrect.");
536 
537  m_receivedPacket->RemoveAllByteTags();
538 
539  Simulator::Destroy();
540 }
541 
547 class ChannelTest : public TestCase
548 {
549  public:
550  void DoRun() override;
551  ChannelTest();
552 
553  private:
554  NodeContainer m_nodes;
555 };
556 
557 ChannelTest::ChannelTest()
558  : TestCase(
559  "The ChannelTest Check if neighbor caches are correctly populated on specific channel.")
560 {
561 }
562 
563 void
564 ChannelTest::DoRun()
565 {
566  m_nodes.Create(3);
567 
568  Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
569  SimpleNetDeviceHelper simpleHelper;
570  NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
571  net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
572 
573  Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
574  SimpleNetDeviceHelper simpleHelper2;
575  NetDeviceContainer net2 = simpleHelper.Install(m_nodes.Get(1), channel2);
576  net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
577 
578  InternetStackHelper internet;
579  internet.Install(m_nodes);
580 
581  // Setup IPv4 addresses
582  Ipv4AddressHelper ipv4;
583  ipv4.SetBase("10.1.1.0", "255.255.255.252");
584  Ipv4InterfaceContainer i = ipv4.Assign(net);
585  ipv4.SetBase("10.1.2.0", "255.255.255.252");
586  Ipv4InterfaceContainer i2 = ipv4.Assign(net2);
587 
588  // Setup IPv6 addresses
589  Ipv6AddressHelper ipv6;
590  ipv6.SetBase(Ipv6Address("2001:0::"), Ipv6Prefix(64));
591  Ipv6InterfaceContainer icv61 = ipv6.Assign(net);
592  ipv6.SetBase(Ipv6Address("2001:1::"), Ipv6Prefix(64));
593  Ipv6InterfaceContainer icv62 = ipv6.Assign(net2);
594 
595  // Populate neighbor caches on the first channel
596  NeighborCacheHelper neighborCache;
597  neighborCache.PopulateNeighborCache(channel);
598 
599  std::ostringstream stringStream1v4;
600  Ptr<OutputStreamWrapper> arpStream = Create<OutputStreamWrapper>(&stringStream1v4);
601  std::ostringstream stringStream1v6;
602  Ptr<OutputStreamWrapper> ndiscStream = Create<OutputStreamWrapper>(&stringStream1v6);
603 
604  // Print cache.
605  Ipv4RoutingHelper::PrintNeighborCacheAllAt(Seconds(0), arpStream);
606  Ipv6RoutingHelper::PrintNeighborCacheAllAt(Seconds(0), ndiscStream);
607 
608  Simulator::Run();
609 
610  // Check if arp caches are populated correctly in the first channel
611  constexpr auto arpCache = "ARP Cache of node 0 at time 0\n"
612  "10.1.1.2 dev 0 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
613  "ARP Cache of node 1 at time 0\n"
614  "10.1.1.1 dev 0 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
615  "ARP Cache of node 2 at time 0\n";
616  NS_TEST_EXPECT_MSG_EQ(stringStream1v4.str(), arpCache, "Arp cache is incorrect.");
617 
618  // Check if ndisc caches are populated correctly in the first channel
619  constexpr auto NdiscCache =
620  "NDISC Cache of node 0 at time +0s\n"
621  "2001::200:ff:fe00:2 dev 0 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
622  "fe80::200:ff:fe00:2 dev 0 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
623  "NDISC Cache of node 1 at time +0s\n"
624  "2001::200:ff:fe00:1 dev 0 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
625  "fe80::200:ff:fe00:1 dev 0 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
626  "NDISC Cache of node 2 at time +0s\n";
627  NS_TEST_EXPECT_MSG_EQ(stringStream1v6.str(), NdiscCache, "Ndisc cache is incorrect.");
628  Simulator::Destroy();
629 }
630 
636 class NetDeviceContainerTest : public TestCase
637 {
638  public:
639  void DoRun() override;
640  NetDeviceContainerTest();
641 
642  private:
643  NodeContainer m_nodes;
644 };
645 
646 NetDeviceContainerTest::NetDeviceContainerTest()
647  : TestCase("The NetDeviceContainerTest check if neighbor caches are populated correctly on "
648  "specific netDeviceContainer.")
649 {
650 }
651 
652 void
653 NetDeviceContainerTest::DoRun()
654 {
655  m_nodes.Create(3);
656 
657  Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
658  SimpleNetDeviceHelper simpleHelper;
659  NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
660  net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
661 
662  Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
663  SimpleNetDeviceHelper simpleHelper2;
664  NetDeviceContainer net2 = simpleHelper.Install(m_nodes.Get(1), channel2);
665  net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
666 
667  InternetStackHelper internet;
668  internet.Install(m_nodes);
669 
670  // Setup IPv4 addresses
671  Ipv4AddressHelper ipv4;
672  ipv4.SetBase("10.1.1.0", "255.255.255.252");
673  Ipv4InterfaceContainer i = ipv4.Assign(net);
674  ipv4.SetBase("10.1.2.0", "255.255.255.252");
675  Ipv4InterfaceContainer i2 = ipv4.Assign(net2);
676 
677  // Setup IPv6 addresses
678  Ipv6AddressHelper ipv6;
679  ipv6.SetBase(Ipv6Address("2001:0::"), Ipv6Prefix(64));
680  Ipv6InterfaceContainer icv61 = ipv6.Assign(net);
681  ipv6.SetBase(Ipv6Address("2001:1::"), Ipv6Prefix(64));
682  Ipv6InterfaceContainer icv62 = ipv6.Assign(net2);
683 
684  // Populate neighbor caches on NetDeviceContainer net2.
685  NeighborCacheHelper neighborCache;
686  neighborCache.PopulateNeighborCache(net2);
687 
688  std::ostringstream stringStream1v4;
689  Ptr<OutputStreamWrapper> arpStream = Create<OutputStreamWrapper>(&stringStream1v4);
690  std::ostringstream stringStream1v6;
691  Ptr<OutputStreamWrapper> ndiscStream = Create<OutputStreamWrapper>(&stringStream1v6);
692 
693  // Print cache.
694  Ipv4RoutingHelper::PrintNeighborCacheAllAt(Seconds(0), arpStream);
695  Ipv6RoutingHelper::PrintNeighborCacheAllAt(Seconds(0), ndiscStream);
696 
697  Simulator::Run();
698 
699  // Check if arp caches are populated correctly on NetDeviceContainer net2.
700  constexpr auto arpCache =
701  "ARP Cache of node 0 at time 0\n"
702  "ARP Cache of node 1 at time 0\n"
703  "10.1.2.2 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
704  "ARP Cache of node 2 at time 0\n"
705  "10.1.2.1 dev 0 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n";
706  NS_TEST_EXPECT_MSG_EQ(stringStream1v4.str(), arpCache, "Arp cache is incorrect.");
707 
708  // Check if ndisc caches are populated correctly on NetDeviceContainer net2.
709  constexpr auto NdiscCache =
710  "NDISC Cache of node 0 at time +0s\n"
711  "NDISC Cache of node 1 at time +0s\n"
712  "2001:1::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
713  "fe80::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
714  "NDISC Cache of node 2 at time +0s\n"
715  "2001:1::200:ff:fe00:3 dev 0 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
716  "fe80::200:ff:fe00:3 dev 0 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n";
717  NS_TEST_EXPECT_MSG_EQ(stringStream1v6.str(), NdiscCache, "Ndisc cache is incorrect.");
718  Simulator::Destroy();
719 }
720 
726 class InterfaceContainerTest : public TestCase
727 {
728  public:
729  void DoRun() override;
730  InterfaceContainerTest();
731 
732  private:
733  NodeContainer m_nodes;
734 };
735 
736 InterfaceContainerTest::InterfaceContainerTest()
737  : TestCase("The InterfaceContainerTest check if neighbor caches are populated correctly on "
738  "specific interfaceContainer.")
739 {
740 }
741 
742 void
743 InterfaceContainerTest::DoRun()
744 {
745  m_nodes.Create(3);
746 
747  Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
748  SimpleNetDeviceHelper simpleHelper;
749  NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
750  net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
751 
752  Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
753  SimpleNetDeviceHelper simpleHelper2;
754  NetDeviceContainer net2 = simpleHelper.Install(m_nodes.Get(1), channel2);
755  net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
756 
757  InternetStackHelper internet;
758  internet.Install(m_nodes);
759 
760  // Setup IPv4 addresses
761  Ipv4AddressHelper ipv4;
762  ipv4.SetBase("10.1.1.0", "255.255.255.252");
763  Ipv4InterfaceContainer i = ipv4.Assign(net);
764  ipv4.SetBase("10.1.2.0", "255.255.255.252");
765  Ipv4InterfaceContainer i2 = ipv4.Assign(net2);
766 
767  // Setup IPv6 addresses
768  Ipv6AddressHelper ipv6;
769  ipv6.SetBase(Ipv6Address("2001:0::"), Ipv6Prefix(64));
770  Ipv6InterfaceContainer icv61 = ipv6.Assign(net);
771  ipv6.SetBase(Ipv6Address("2001:1::"), Ipv6Prefix(64));
772  Ipv6InterfaceContainer icv62 = ipv6.Assign(net2);
773 
774  // Populate neighbor caches on Ipv4InterfaceContainer i and Ipv6InterfaceContainer icv62.
775  NeighborCacheHelper neighborCache;
776  neighborCache.PopulateNeighborCache(i);
777  neighborCache.PopulateNeighborCache(icv62);
778 
779  std::ostringstream stringStream1v4;
780  Ptr<OutputStreamWrapper> arpStream = Create<OutputStreamWrapper>(&stringStream1v4);
781  std::ostringstream stringStream1v6;
782  Ptr<OutputStreamWrapper> ndiscStream = Create<OutputStreamWrapper>(&stringStream1v6);
783 
784  // Print cache.
785  Ipv4RoutingHelper::PrintNeighborCacheAllAt(Seconds(0), arpStream);
786  Ipv6RoutingHelper::PrintNeighborCacheAllAt(Seconds(0), ndiscStream);
787 
788  Simulator::Run();
789 
790  // Check if arp caches are populated correctly on Ipv4InterfaceContainer i.
791  constexpr auto arpCache = "ARP Cache of node 0 at time 0\n"
792  "10.1.1.2 dev 0 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
793  "ARP Cache of node 1 at time 0\n"
794  "10.1.1.1 dev 0 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
795  "ARP Cache of node 2 at time 0\n";
796  NS_TEST_EXPECT_MSG_EQ(stringStream1v4.str(), arpCache, "Arp cache is incorrect.");
797 
798  // Check if ndisc caches are populated correctly on Ipv6InterfaceContainer icv62.
799  constexpr auto NdiscCache =
800  "NDISC Cache of node 0 at time +0s\n"
801  "NDISC Cache of node 1 at time +0s\n"
802  "2001:1::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
803  "fe80::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
804  "NDISC Cache of node 2 at time +0s\n"
805  "2001:1::200:ff:fe00:3 dev 0 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
806  "fe80::200:ff:fe00:3 dev 0 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n";
807  NS_TEST_EXPECT_MSG_EQ(stringStream1v6.str(), NdiscCache, "Ndisc cache is incorrect.");
808  Simulator::Destroy();
809 }
810 
816 class FlushTest : public TestCase
817 {
818  public:
819  void DoRun() override;
820  FlushTest();
821 
822  private:
823  NodeContainer m_nodes;
824 };
825 
826 FlushTest::FlushTest()
827  : TestCase("The FlushTest checks that FlushAutoGenerated() will only remove "
828  "STATIC_AUTOGENERATED entries.")
829 {
830 }
831 
832 void
833 FlushTest::DoRun()
834 {
835  m_nodes.Create(3);
836 
837  Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
838  SimpleNetDeviceHelper simpleHelper;
839  NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
840  net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
841 
842  Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
843  SimpleNetDeviceHelper simpleHelper2;
844  NetDeviceContainer net2 = simpleHelper.Install(m_nodes.Get(1), channel2);
845  net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
846 
847  InternetStackHelper internet;
848  internet.Install(m_nodes);
849 
850  // Setup IPv4 addresses
851  Ipv4AddressHelper ipv4;
852  ipv4.SetBase("10.1.1.0", "255.255.255.252");
853  Ipv4InterfaceContainer i = ipv4.Assign(net);
854  ipv4.SetBase("10.1.2.0", "255.255.255.252");
855  Ipv4InterfaceContainer i2 = ipv4.Assign(net2);
856 
857  // Setup IPv6 addresses
858  Ipv6AddressHelper ipv6;
859  ipv6.SetBase(Ipv6Address("2001:0::"), Ipv6Prefix(64));
860  Ipv6InterfaceContainer icv61 = ipv6.Assign(net);
861  ipv6.SetBase(Ipv6Address("2001:1::"), Ipv6Prefix(64));
862  Ipv6InterfaceContainer icv62 = ipv6.Assign(net2);
863 
864  // Populate STATIC_AUTOGENERATED neighbor cache
865  NeighborCacheHelper neighborCache;
866  neighborCache.PopulateNeighborCache();
867 
868  // Manually add an PERMANENT arp cache entry
869  std::pair<Ptr<Ipv4>, uint32_t> returnValue = i.Get(0);
870  Ptr<Ipv4> v4 = returnValue.first;
871  uint32_t index = returnValue.second;
872  Ptr<Ipv4Interface> iface = DynamicCast<Ipv4L3Protocol>(v4)->GetInterface(index);
873  Ptr<ArpCache> arpCache = iface->GetArpCache();
874  ArpCache::Entry* arpCacheEntry = arpCache->Add(Ipv4Address("10.1.1.4"));
875  arpCacheEntry->SetMacAddress(Mac48Address("00:00:00:00:00:01"));
876  arpCacheEntry->MarkPermanent();
877 
878  // Manually add an PERMANENT ndisc entry
879  std::pair<Ptr<Ipv6>, uint32_t> returnValue2 = icv61.Get(0);
880  Ptr<Ipv6> v6 = returnValue2.first;
881  index = returnValue2.second;
882  Ptr<Ipv6Interface> ifacev6 = DynamicCast<Ipv6L3Protocol>(v6)->GetInterface(index);
883  Ptr<NdiscCache> ndiscCache = ifacev6->GetNdiscCache();
884  NdiscCache::Entry* ndiscCacheEntry = ndiscCache->Add(Ipv6Address("2001::200:ff:fe00:4"));
885  ndiscCacheEntry->SetMacAddress(Mac48Address("00:00:00:00:00:01"));
886  ndiscCacheEntry->MarkPermanent();
887 
888  // flush auto-generated cache
889  neighborCache.FlushAutoGenerated();
890 
891  std::ostringstream stringStream1v4;
892  Ptr<OutputStreamWrapper> arpStream = Create<OutputStreamWrapper>(&stringStream1v4);
893  std::ostringstream stringStream1v6;
894  Ptr<OutputStreamWrapper> ndiscStream = Create<OutputStreamWrapper>(&stringStream1v6);
895 
896  // Print cache.
897  Ipv4RoutingHelper::PrintNeighborCacheAllAt(Seconds(0), arpStream);
898  Ipv6RoutingHelper::PrintNeighborCacheAllAt(Seconds(0), ndiscStream);
899 
900  Simulator::Run();
901  // Check if the STATIC_AUTOGENERATED entries are flushed and the PERMANENT entry is left.
902  constexpr auto ArpCache = "ARP Cache of node 0 at time 0\n"
903  "10.1.1.4 dev 0 lladdr 04-06-00:00:00:00:00:01 PERMANENT\n"
904  "ARP Cache of node 1 at time 0\n"
905  "ARP Cache of node 2 at time 0\n";
906  NS_TEST_EXPECT_MSG_EQ(stringStream1v4.str(), ArpCache, "Arp cache is incorrect.");
907 
908  // Check if the STATIC_AUTOGENERATED entries are flushed and the PERMANENT entry is left.
909  constexpr auto NdiscCache =
910  "NDISC Cache of node 0 at time +0s\n"
911  "2001::200:ff:fe00:4 dev 0 lladdr 04-06-00:00:00:00:00:01 PERMANENT\n"
912  "NDISC Cache of node 1 at time +0s\n"
913  "NDISC Cache of node 2 at time +0s\n";
914  NS_TEST_EXPECT_MSG_EQ(stringStream1v6.str(), NdiscCache, "Ndisc cache is incorrect.");
915  Simulator::Destroy();
916 }
917 
923 class DuplicateTest : public TestCase
924 {
925  public:
926  void DoRun() override;
927  DuplicateTest();
928 
929  private:
930  NodeContainer m_nodes;
931 };
932 
933 DuplicateTest::DuplicateTest()
934  : TestCase("The DuplicateTest checks that populate neighbor caches in overlapped scope does "
935  "not raise an error or generate duplicate entries.")
936 {
937 }
938 
939 void
940 DuplicateTest::DoRun()
941 {
942  m_nodes.Create(3);
943 
944  Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
945  SimpleNetDeviceHelper simpleHelper;
946  NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
947  net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
948 
949  Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
950  SimpleNetDeviceHelper simpleHelper2;
951  NetDeviceContainer net2 = simpleHelper.Install(m_nodes.Get(1), channel2);
952  net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
953 
954  InternetStackHelper internet;
955  internet.Install(m_nodes);
956 
957  // Setup IPv4 addresses
958  Ipv4AddressHelper ipv4;
959  ipv4.SetBase("10.1.1.0", "255.255.255.252");
960  Ipv4InterfaceContainer i = ipv4.Assign(net);
961  ipv4.SetBase("10.1.2.0", "255.255.255.252");
962  Ipv4InterfaceContainer i2 = ipv4.Assign(net2);
963 
964  // Setup IPv6 addresses
965  Ipv6AddressHelper ipv6;
966  ipv6.SetBase(Ipv6Address("2001:0::"), Ipv6Prefix(64));
967  Ipv6InterfaceContainer icv61 = ipv6.Assign(net);
968  ipv6.SetBase(Ipv6Address("2001:1::"), Ipv6Prefix(64));
969  Ipv6InterfaceContainer icv62 = ipv6.Assign(net2);
970 
971  // Populate neighbor cache in overlapped scope.
972  NeighborCacheHelper neighborCache;
973  neighborCache.PopulateNeighborCache();
974  neighborCache.PopulateNeighborCache(channel);
975  neighborCache.PopulateNeighborCache(net2);
976  neighborCache.PopulateNeighborCache(icv61);
977  neighborCache.PopulateNeighborCache();
978 
979  std::ostringstream stringStream1v4;
980  Ptr<OutputStreamWrapper> arpStream = Create<OutputStreamWrapper>(&stringStream1v4);
981  std::ostringstream stringStream1v6;
982  Ptr<OutputStreamWrapper> ndiscStream = Create<OutputStreamWrapper>(&stringStream1v6);
983 
984  // Print cache.
985  Ipv4RoutingHelper::PrintNeighborCacheAllAt(Seconds(0), arpStream);
986  Ipv6RoutingHelper::PrintNeighborCacheAllAt(Seconds(0), ndiscStream);
987 
988  Simulator::Run();
989  // Check if the STATIC_AUTOGENERATED entries are flushed and the PERMANENT entry is left.
990  constexpr auto ArpCache =
991  "ARP Cache of node 0 at time 0\n"
992  "10.1.1.2 dev 0 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
993  "ARP Cache of node 1 at time 0\n"
994  "10.1.1.1 dev 0 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
995  "10.1.2.2 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
996  "ARP Cache of node 2 at time 0\n"
997  "10.1.2.1 dev 0 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n";
998  NS_TEST_EXPECT_MSG_EQ(stringStream1v4.str(), ArpCache, "Arp cache is incorrect.");
999 
1000  // Check if the STATIC_AUTOGENERATED entries are flushed and the PERMANENT entry is left.
1001  constexpr auto NdiscCache =
1002  "NDISC Cache of node 0 at time +0s\n"
1003  "2001::200:ff:fe00:2 dev 0 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
1004  "fe80::200:ff:fe00:2 dev 0 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
1005  "NDISC Cache of node 1 at time +0s\n"
1006  "2001::200:ff:fe00:1 dev 0 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
1007  "fe80::200:ff:fe00:1 dev 0 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
1008  "2001:1::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
1009  "fe80::200:ff:fe00:4 dev 1 lladdr 04-06-00:00:00:00:00:04 STATIC_AUTOGENERATED\n"
1010  "NDISC Cache of node 2 at time +0s\n"
1011  "2001:1::200:ff:fe00:3 dev 0 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n"
1012  "fe80::200:ff:fe00:3 dev 0 lladdr 04-06-00:00:00:00:00:03 STATIC_AUTOGENERATED\n";
1013  NS_TEST_EXPECT_MSG_EQ(stringStream1v6.str(), NdiscCache, "Ndisc cache is incorrect.");
1014  Simulator::Destroy();
1015 }
1016 
1022 class DynamicPartialTest : public TestCase
1023 {
1024  public:
1025  void DoRun() override;
1026  DynamicPartialTest();
1027 
1033  void AddIpv4Address(Ptr<Ipv4Interface> ipv4Interface, Ipv4InterfaceAddress ifaceAddr);
1034 
1040  void AddIpv6Address(Ptr<Ipv6Interface> ipv6Interface, Ipv6InterfaceAddress ifaceAddr);
1041 
1047  void RemoveIpv4Address(Ptr<Ipv4Interface> ipv4Interface, uint32_t index);
1048 
1054  void RemoveIpv6Address(Ptr<Ipv6Interface> ipv6Interface, uint32_t index);
1055 
1056  private:
1057  NodeContainer m_nodes;
1058 };
1059 
1060 DynamicPartialTest::DynamicPartialTest()
1061  : TestCase("The DynamicPartialTest checks if dynamic neighbor cache update correctly when "
1062  "generating on a non-global scope.")
1063 {
1064 }
1065 
1066 void
1067 DynamicPartialTest::AddIpv4Address(Ptr<Ipv4Interface> ipv4Interface, Ipv4InterfaceAddress ifaceAddr)
1068 {
1069  ipv4Interface->AddAddress(ifaceAddr);
1070 }
1071 
1072 void
1073 DynamicPartialTest::AddIpv6Address(Ptr<Ipv6Interface> ipv6Interface, Ipv6InterfaceAddress ifaceAddr)
1074 {
1075  ipv6Interface->AddAddress(ifaceAddr);
1076 }
1077 
1078 void
1079 DynamicPartialTest::RemoveIpv4Address(Ptr<Ipv4Interface> ipv4Interface, uint32_t index)
1080 {
1081  ipv4Interface->RemoveAddress(index);
1082 }
1083 
1084 void
1085 DynamicPartialTest::RemoveIpv6Address(Ptr<Ipv6Interface> ipv6Interface, uint32_t index)
1086 {
1087  ipv6Interface->RemoveAddress(index);
1088 }
1089 
1090 void
1091 DynamicPartialTest::DoRun()
1092 {
1093  m_nodes.Create(3);
1094 
1095  Ptr<SimpleChannel> channel = CreateObject<SimpleChannel>();
1096  SimpleNetDeviceHelper simpleHelper;
1097  NetDeviceContainer net = simpleHelper.Install(m_nodes.Get(0), channel);
1098  net.Add(simpleHelper.Install(m_nodes.Get(1), channel));
1099 
1100  Ptr<SimpleChannel> channel2 = CreateObject<SimpleChannel>();
1101  SimpleNetDeviceHelper simpleHelper2;
1102  NetDeviceContainer net2 = simpleHelper.Install(m_nodes.Get(1), channel2);
1103  net2.Add(simpleHelper2.Install(m_nodes.Get(2), channel2));
1104 
1105  InternetStackHelper internet;
1106  internet.Install(m_nodes);
1107 
1108  // Setup IPv4 addresses
1109  Ipv4AddressHelper ipv4;
1110  ipv4.SetBase("10.1.1.0", "255.255.255.252");
1111  Ipv4InterfaceContainer i = ipv4.Assign(net);
1112  ipv4.SetBase("10.1.2.0", "255.255.255.252");
1113  Ipv4InterfaceContainer i2 = ipv4.Assign(net2);
1114 
1115  // Add address 10.1.1.5 to n1 in 0.5 seconds
1116  Ptr<Node> n1 = m_nodes.Get(0);
1117  uint32_t ipv4ifIndex = 1;
1118  Ptr<Ipv4Interface> ipv4Interface = n1->GetObject<Ipv4L3Protocol>()->GetInterface(ipv4ifIndex);
1119  Ipv4InterfaceAddress ifaceAddr = Ipv4InterfaceAddress("10.1.1.5", "255.255.255.0");
1120  Simulator::Schedule(Seconds(0.5),
1121  &DynamicPartialTest::AddIpv4Address,
1122  this,
1123  ipv4Interface,
1124  ifaceAddr);
1125 
1126  // Remove the first address (10.1.1.1) from n1 in 1.5 seconds
1127  uint32_t addressIndex = 0;
1128  Simulator::Schedule(Seconds(1.5),
1129  &DynamicPartialTest::RemoveIpv4Address,
1130  this,
1131  ipv4Interface,
1132  addressIndex);
1133 
1134  // Setup IPv6 addresses
1135  Ipv6AddressHelper ipv6;
1136  ipv6.SetBase(Ipv6Address("2001:0::"), Ipv6Prefix(64));
1137  Ipv6InterfaceContainer icv61 = ipv6.Assign(net);
1138  ipv6.SetBase(Ipv6Address("2001:1::"), Ipv6Prefix(64));
1139  Ipv6InterfaceContainer icv62 = ipv6.Assign(net2);
1140 
1141  // Add address 2001:1::200:ff:fe00:5 to n1 in 0.5 seconds
1142  uint32_t ipv6ifIndex = 1;
1143  Ptr<Ipv6Interface> ipv6Interface = n1->GetObject<Ipv6L3Protocol>()->GetInterface(ipv6ifIndex);
1144  Ipv6InterfaceAddress ifaceAddrv6 =
1145  Ipv6InterfaceAddress("2001:0::200:ff:fe00:5", Ipv6Prefix(64));
1146  Simulator::Schedule(Seconds(0.5),
1147  &DynamicPartialTest::AddIpv6Address,
1148  this,
1149  ipv6Interface,
1150  ifaceAddrv6);
1151 
1152  // Remove the second address (2001:1::200:ff:fe00:1) from n1 in 1.5 seconds
1153  addressIndex = 1;
1154  Simulator::Schedule(Seconds(1.5),
1155  &DynamicPartialTest::RemoveIpv6Address,
1156  this,
1157  ipv6Interface,
1158  addressIndex);
1159 
1160  // Populate dynamic neighbor cache on the first channel
1161  NeighborCacheHelper neighborCache;
1162  neighborCache.SetDynamicNeighborCache(true);
1163  neighborCache.PopulateNeighborCache(channel);
1164 
1165  std::ostringstream stringStream1v4;
1166  Ptr<OutputStreamWrapper> arpStream = Create<OutputStreamWrapper>(&stringStream1v4);
1167  std::ostringstream stringStream1v6;
1168  Ptr<OutputStreamWrapper> ndiscStream = Create<OutputStreamWrapper>(&stringStream1v6);
1169 
1170  // Print cache.
1171  Ipv4RoutingHelper::PrintNeighborCacheAllAt(Seconds(0), arpStream);
1172  Ipv6RoutingHelper::PrintNeighborCacheAllAt(Seconds(0), ndiscStream);
1173  Ipv4RoutingHelper::PrintNeighborCacheAllAt(Seconds(1), arpStream);
1174  Ipv6RoutingHelper::PrintNeighborCacheAllAt(Seconds(1), ndiscStream);
1175  Ipv4RoutingHelper::PrintNeighborCacheAllAt(Seconds(2), arpStream);
1176  Ipv6RoutingHelper::PrintNeighborCacheAllAt(Seconds(2), ndiscStream);
1177 
1178  Simulator::Run();
1179  // Check if the dynamic neighbor cache doesn't change after an Ip address is added,
1180  // Check if the dynamic neighbor cache update correctly after an Ip address is removed.
1181  constexpr auto ArpCache = "ARP Cache of node 0 at time 0\n"
1182  "10.1.1.2 dev 0 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
1183  "ARP Cache of node 1 at time 0\n"
1184  "10.1.1.1 dev 0 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
1185  "ARP Cache of node 2 at time 0\n"
1186  "ARP Cache of node 0 at time 1\n"
1187  "10.1.1.2 dev 0 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
1188  "ARP Cache of node 1 at time 1\n"
1189  "10.1.1.1 dev 0 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
1190  "ARP Cache of node 2 at time 1\n"
1191  "ARP Cache of node 0 at time 2\n"
1192  "10.1.1.2 dev 0 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
1193  "ARP Cache of node 1 at time 2\n"
1194  "ARP Cache of node 2 at time 2\n";
1195  NS_TEST_EXPECT_MSG_EQ(stringStream1v4.str(), ArpCache, "Arp cache is incorrect.");
1196 
1197  // Check if the dynamic neighbor cache doesn't change after an Ip address is added,
1198  // Check if the dynamic neighbor cache update correctly after an Ip address is removed.
1199  constexpr auto NdiscCache =
1200  "NDISC Cache of node 0 at time +0s\n"
1201  "2001::200:ff:fe00:2 dev 0 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
1202  "fe80::200:ff:fe00:2 dev 0 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
1203  "NDISC Cache of node 1 at time +0s\n"
1204  "2001::200:ff:fe00:1 dev 0 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
1205  "fe80::200:ff:fe00:1 dev 0 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
1206  "NDISC Cache of node 2 at time +0s\n"
1207  "NDISC Cache of node 0 at time +1s\n"
1208  "2001::200:ff:fe00:2 dev 0 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
1209  "fe80::200:ff:fe00:2 dev 0 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
1210  "NDISC Cache of node 1 at time +1s\n"
1211  "2001::200:ff:fe00:1 dev 0 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
1212  "fe80::200:ff:fe00:1 dev 0 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
1213  "NDISC Cache of node 2 at time +1s\n"
1214  "NDISC Cache of node 0 at time +2s\n"
1215  "2001::200:ff:fe00:2 dev 0 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
1216  "fe80::200:ff:fe00:2 dev 0 lladdr 04-06-00:00:00:00:00:02 STATIC_AUTOGENERATED\n"
1217  "NDISC Cache of node 1 at time +2s\n"
1218  "fe80::200:ff:fe00:1 dev 0 lladdr 04-06-00:00:00:00:00:01 STATIC_AUTOGENERATED\n"
1219  "NDISC Cache of node 2 at time +2s\n";
1220  NS_TEST_EXPECT_MSG_EQ(stringStream1v6.str(), NdiscCache, "Ndisc cache is incorrect.");
1221  Simulator::Destroy();
1222 }
1223 
1229 class NeighborCacheTestSuite : public TestSuite
1230 {
1231  public:
1232  NeighborCacheTestSuite()
1233  : TestSuite("neighbor-cache", UNIT)
1234  {
1235  AddTestCase(new DynamicNeighborCacheTest, TestCase::QUICK);
1236  AddTestCase(new ChannelTest, TestCase::QUICK);
1237  AddTestCase(new NetDeviceContainerTest, TestCase::QUICK);
1238  AddTestCase(new InterfaceContainerTest, TestCase::QUICK);
1239  AddTestCase(new FlushTest, TestCase::QUICK);
1240  AddTestCase(new DuplicateTest, TestCase::QUICK);
1241  AddTestCase(new DynamicPartialTest, TestCase::QUICK);
1242  }
1243 };
1244 
1245 static NeighborCacheTestSuite g_neighborcacheTestSuite;
max
#define max(a, b)
Definition: 80211b.c:42
ChannelTest
Neighbor cache on Channel Test.
Definition: neighbor-cache-test.cc:548
ChannelTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: neighbor-cache-test.cc:564
ChannelTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: neighbor-cache-test.cc:554
DuplicateTest
Neighbor Cache on Overlapped Scope Test.
Definition: neighbor-cache-test.cc:924
DuplicateTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: neighbor-cache-test.cc:930
DuplicateTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: neighbor-cache-test.cc:940
DynamicNeighborCacheTest
Dynamic Neighbor Cache Test.
Definition: neighbor-cache-test.cc:48
DynamicNeighborCacheTest::m_receivedPacketSizes
std::vector< uint32_t > m_receivedPacketSizes
Received packet sizes.
Definition: neighbor-cache-test.cc:118
DynamicNeighborCacheTest::ReceivePkt
void ReceivePkt(Ptr< Socket > socket)
Receive data.
Definition: neighbor-cache-test.cc:129
DynamicNeighborCacheTest::RemoveIpv4Address
void RemoveIpv4Address(Ptr< Ipv4Interface > ipv4Interface, uint32_t index)
Remove an IPv4 address from an IPv4 interface.
Definition: neighbor-cache-test.cc:192
DynamicNeighborCacheTest::AddIpv4Address
void AddIpv4Address(Ptr< Ipv4Interface > ipv4Interface, Ipv4InterfaceAddress ifaceAddr)
Add an IPv4 address to an IPv4 interface.
Definition: neighbor-cache-test.cc:178
DynamicNeighborCacheTest::AddIpv6Address
void AddIpv6Address(Ptr< Ipv6Interface > ipv6Interface, Ipv6InterfaceAddress ifaceAddr)
Add an IPv6 address to an IPv6 interface.
Definition: neighbor-cache-test.cc:185
DynamicNeighborCacheTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: neighbor-cache-test.cc:204
DynamicNeighborCacheTest::DoSendDatav4
void DoSendDatav4(Ptr< Socket > socket, Ipv4Address to)
Send data immediately after being called.
Definition: neighbor-cache-test.cc:140
DynamicNeighborCacheTest::RemoveIpv6Address
void RemoveIpv6Address(Ptr< Ipv6Interface > ipv6Interface, uint32_t index)
Remove an IPv6 address from an IPv6 interface.
Definition: neighbor-cache-test.cc:198
DynamicNeighborCacheTest::DoSendDatav6
void DoSendDatav6(Ptr< Socket > socket, Ipv6Address to)
Send data immediately after being called.
Definition: neighbor-cache-test.cc:147
DynamicNeighborCacheTest::SendData
void SendData(Ptr< Socket > socket, Ipv4Address to)
Schedules the DoSendData () function to send the data.
Definition: neighbor-cache-test.cc:154
DynamicNeighborCacheTest::m_receivedPacket
Ptr< Packet > m_receivedPacket
Received packet.
Definition: neighbor-cache-test.cc:49
DynamicPartialTest
Dynamic Neighbor Cache on Reduced Scope Test.
Definition: neighbor-cache-test.cc:1023
DynamicPartialTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: neighbor-cache-test.cc:1091
DynamicPartialTest::AddIpv6Address
void AddIpv6Address(Ptr< Ipv6Interface > ipv6Interface, Ipv6InterfaceAddress ifaceAddr)
Add an IPv6 address to an IPv6 interface.
Definition: neighbor-cache-test.cc:1073
DynamicPartialTest::RemoveIpv4Address
void RemoveIpv4Address(Ptr< Ipv4Interface > ipv4Interface, uint32_t index)
Remove an IPv4 address from an IPv4 interface.
Definition: neighbor-cache-test.cc:1079
DynamicPartialTest::RemoveIpv6Address
void RemoveIpv6Address(Ptr< Ipv6Interface > ipv6Interface, uint32_t index)
Remove an IPv6 address from an IPv6 interface.
Definition: neighbor-cache-test.cc:1085
DynamicPartialTest::AddIpv4Address
void AddIpv4Address(Ptr< Ipv4Interface > ipv4Interface, Ipv4InterfaceAddress ifaceAddr)
Add an IPv4 address to an IPv4 interface.
Definition: neighbor-cache-test.cc:1067
DynamicPartialTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: neighbor-cache-test.cc:1057
FlushTest
Neighbor Cache Flush Test.
Definition: neighbor-cache-test.cc:817
FlushTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: neighbor-cache-test.cc:833
FlushTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: neighbor-cache-test.cc:823
InterfaceContainerTest
Neighbor Cache on InterfaceContainer Test.
Definition: neighbor-cache-test.cc:727
InterfaceContainerTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: neighbor-cache-test.cc:733
InterfaceContainerTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: neighbor-cache-test.cc:743
NeighborCacheTestSuite
NeighborCache TestSuite.
Definition: neighbor-cache-test.cc:1230
NetDeviceContainerTest
Neighbor Cache on NetDeviceContainer Test.
Definition: neighbor-cache-test.cc:637
NetDeviceContainerTest::m_nodes
NodeContainer m_nodes
Nodes used in the test.
Definition: neighbor-cache-test.cc:643
NetDeviceContainerTest::DoRun
void DoRun() override
Implementation to actually run this TestCase.
Definition: neighbor-cache-test.cc:653
ns3::Address
a polymophic address class
Definition: address.h:101
ns3::ArpCache::Entry
A record that that holds information about an ArpCache entry.
Definition: arp-cache.h:184
ns3::ArpCache::Entry::MarkPermanent
void MarkPermanent()
Changes the state of this entry to Permanent.
Definition: arp-cache.cc:446
ns3::ArpCache::Entry::SetMacAddress
void SetMacAddress(Address macAddress)
Definition: arp-cache.cc:506
ns3::ArpCache
An ARP cache.
Definition: arp-cache.h:53
ns3::ArpCache::Add
ArpCache::Entry * Add(Ipv4Address to)
Add an Ipv4Address to this ARP cache.
Definition: arp-cache.cc:352
ns3::Inet6SocketAddress
An Inet6 address class.
Definition: inet6-socket-address.h:38
ns3::InetSocketAddress
an Inet address class
Definition: inet-socket-address.h:42
ns3::InternetStackHelper
aggregate IP/TCP/UDP functionality to existing Nodes.
Definition: internet-stack-helper.h:92
ns3::InternetStackHelper::Install
void Install(std::string nodeName) const
Aggregate implementations of the ns3::Ipv4, ns3::Ipv6, ns3::Udp, and ns3::Tcp classes onto the provid...
Definition: internet-stack-helper.cc:370
ns3::Ipv4AddressHelper
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
Definition: ipv4-address-helper.h:49
ns3::Ipv4Address
Ipv4 addresses are stored in host order in this class.
Definition: ipv4-address.h:42
ns3::Ipv4InterfaceAddress
a class to store IPv4 address information on an interface
Definition: ipv4-interface-address.h:45
ns3::Ipv4InterfaceContainer
holds a vector of std::pair of Ptr<Ipv4> and interface index.
Definition: ipv4-interface-container.h:56
ns3::Ipv4InterfaceContainer::Get
std::pair< Ptr< Ipv4 >, uint32_t > Get(uint32_t i) const
Get the std::pair of an Ptr<Ipv4> and interface stored at the location specified by the index.
Definition: ipv4-interface-container.cc:95
ns3::Ipv4Interface::AddAddress
bool AddAddress(Ipv4InterfaceAddress address)
Definition: ipv4-interface.cc:322
ns3::Ipv4Interface::GetArpCache
Ptr< ArpCache > GetArpCache() const
Definition: ipv4-interface.cc:159
ns3::Ipv4Interface::RemoveAddress
Ipv4InterfaceAddress RemoveAddress(uint32_t index)
Definition: ipv4-interface.cc:358
ns3::Ipv4L3Protocol
Implement the IPv4 layer.
Definition: ipv4-l3-protocol.h:84
ns3::Ipv4Mask
a class to represent an Ipv4 address mask
Definition: ipv4-address.h:257
ns3::Ipv6AddressHelper
Helper class to auto-assign global IPv6 unicast addresses.
Definition: ipv6-address-helper.h:84
ns3::Ipv6AddressHelper::SetBase
void SetBase(Ipv6Address network, Ipv6Prefix prefix, Ipv6Address base=Ipv6Address("::1"))
Set the base network number, network prefix, and base interface ID.
Definition: ipv6-address-helper.cc:70
ns3::Ipv6AddressHelper::Assign
Ipv6InterfaceContainer Assign(const NetDeviceContainer &c)
Allocate an Ipv6InterfaceContainer with auto-assigned addresses.
Definition: ipv6-address-helper.cc:220
ns3::Ipv6Address
Describes an IPv6 address.
Definition: ipv6-address.h:49
ns3::Ipv6InterfaceAddress
IPv6 address associated with an interface.
Definition: ipv6-interface-address.h:37
ns3::Ipv6InterfaceContainer
Keep track of a set of IPv6 interfaces.
Definition: ipv6-interface-container.h:40
ns3::Ipv6InterfaceContainer::Get
std::pair< Ptr< Ipv6 >, uint32_t > Get(uint32_t i) const
Get the std::pair of an Ptr<Ipv6> and interface stored at the location specified by the index.
Definition: ipv6-interface-container.cc:91
ns3::Ipv6Interface::RemoveAddress
Ipv6InterfaceAddress RemoveAddress(uint32_t index)
Remove an address from interface.
Definition: ipv6-interface.cc:329
ns3::Ipv6Interface::AddAddress
bool AddAddress(Ipv6InterfaceAddress iface)
Add an IPv6 address.
Definition: ipv6-interface.cc:210
ns3::Ipv6Interface::GetNdiscCache
Ptr< NdiscCache > GetNdiscCache() const
Definition: ipv6-interface.cc:591
ns3::Ipv6L3Protocol
IPv6 layer implementation.
Definition: ipv6-l3-protocol.h:64
ns3::Ipv6Prefix
Describes an IPv6 prefix.
Definition: ipv6-address.h:455
ns3::Mac48Address
an EUI-48 address
Definition: mac48-address.h:46
ns3::NdiscCache::Entry
A record that holds information about a NdiscCache entry.
Definition: ndisc-cache.h:167
ns3::NdiscCache::Entry::MarkPermanent
void MarkPermanent()
Change the state to this entry to PERMANENT.
Definition: ndisc-cache.cc:608
ns3::NdiscCache::Entry::SetMacAddress
void SetMacAddress(Address mac)
Set the MAC address of this entry.
Definition: ndisc-cache.cc:680
ns3::NdiscCache
IPv6 Neighbor Discovery cache.
Definition: ndisc-cache.h:49
ns3::NdiscCache::Add
virtual NdiscCache::Entry * Add(Ipv6Address to)
Add an entry.
Definition: ndisc-cache.cc:134
ns3::NeighborCacheHelper
A helper class to populate neighbor cache.
Definition: neighbor-cache-helper.h:51
ns3::NeighborCacheHelper::PopulateNeighborCache
void PopulateNeighborCache()
Populate neighbor ARP and NDISC caches for all devices.
Definition: neighbor-cache-helper.cc:48
ns3::NeighborCacheHelper::SetDynamicNeighborCache
void SetDynamicNeighborCache(bool enable)
Enable/disable dynamic neighbor cache, auto-generated neighbor cache will update by IP addresses chan...
Definition: neighbor-cache-helper.cc:574
ns3::NeighborCacheHelper::FlushAutoGenerated
void FlushAutoGenerated() const
Remove entries generated from NeighborCacheHelper from ARP cache and NDISC cache.
Definition: neighbor-cache-helper.cc:404
ns3::NetDeviceContainer
holds a vector of ns3::NetDevice pointers
Definition: net-device-container.h:43
ns3::NetDeviceContainer::Add
void Add(NetDeviceContainer other)
Append the contents of another NetDeviceContainer to the end of this container.
Definition: net-device-container.cc:73
ns3::NodeContainer
keep track of a set of node pointers.
Definition: node-container.h:40
ns3::NodeContainer::Create
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
Definition: node-container.cc:84
ns3::NodeContainer::Get
Ptr< Node > Get(uint32_t i) const
Get the Ptr<Node> stored in this container at a given index.
Definition: node-container.cc:78
ns3::Node::AddDevice
uint32_t AddDevice(Ptr< NetDevice > device)
Associate a NetDevice to this node.
Definition: node.cc:138
ns3::Node::GetId
uint32_t GetId() const
Definition: node.cc:117
ns3::Object::GetObject
Ptr< T > GetObject() const
Get a pointer to the requested aggregated Object.
Definition: object.h:471
ns3::Packet::GetSize
uint32_t GetSize() const
Returns the the size in bytes of the packet (including the zero-filled initial payload).
Definition: packet.h:861
ns3::Packet::RemoveAllByteTags
void RemoveAllByteTags()
Remove all byte tags stored in this packet.
Definition: packet.cc:393
ns3::SimpleNetDeviceHelper
build a set of SimpleNetDevice objects
Definition: simple-net-device-helper.h:39
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:77
ns3::Socket::GetRxAvailable
virtual uint32_t GetRxAvailable() const =0
Return number of bytes which can be returned from one or multiple calls to Recv.
ns3::Socket::SetRecvCallback
void SetRecvCallback(Callback< void, Ptr< Socket >> receivedData)
Notify application when new data is available to be read.
Definition: socket.cc:128
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() const =0
Return the node this socket is associated with.
ns3::Socket::Bind
virtual int Bind(const Address &address)=0
Allocate a local endpoint for this socket.
ns3::Socket::SendTo
virtual int SendTo(Ptr< Packet > p, uint32_t flags, const Address &toAddress)=0
Send data to a specified peer.
ns3::TestCase
encapsulates test code
Definition: test.h:1060
ns3::TestCase::AddTestCase
void AddTestCase(TestCase *testCase, TestDuration duration=QUICK)
Add an individual child TestCase to this test suite.
Definition: test.cc:301
ns3::TestSuite
A suite of tests to run.
Definition: test.h:1256
ns3::TestSuite::UNIT
@ UNIT
This test suite implements a Unit Test.
Definition: test.h:1265
ns3::UdpSocketFactory
API to create UDP socket instances.
Definition: udp-socket-factory.h:42
NS_TEST_ASSERT_MSG_EQ
#define NS_TEST_ASSERT_MSG_EQ(actual, limit, msg)
Test that an actual and expected (limit) value are equal and report and abort if not.
Definition: test.h:144
NS_TEST_EXPECT_MSG_EQ
#define NS_TEST_EXPECT_MSG_EQ(actual, limit, msg)
Test that an actual and expected (limit) value are equal and report if not.
Definition: test.h:251
ns3::Seconds
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition: nstime.h:1326
ns3
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ns3::MakeCallback
Callback< R, Args... > MakeCallback(R(T::*memPtr)(Args...), OBJ objPtr)
Build Callbacks for class method members which take varying numbers of arguments and potentially retu...
Definition: callback.h:704
third.channel
channel
Definition: third.py:88
RemoveIpv6Address
void RemoveIpv6Address(Ptr< Ipv6Interface > ipv6Interface, uint32_t index)
Definition: neighbor-cache-dynamic.cc:169
AddIpv6Address
void AddIpv6Address(Ptr< Ipv6Interface > ipv6Interface, Ipv6InterfaceAddress ifaceAddr)
Definition: neighbor-cache-dynamic.cc:155
RemoveIpv4Address
void RemoveIpv4Address(Ptr< Ipv4Interface > ipv4Interface, uint32_t index)
Definition: neighbor-cache-dynamic.cc:162
AddIpv4Address
void AddIpv4Address(Ptr< Ipv4Interface > ipv4Interface, Ipv4InterfaceAddress ifaceAddr)
Definition: neighbor-cache-dynamic.cc:148
g_neighborcacheTestSuite
static NeighborCacheTestSuite g_neighborcacheTestSuite
Static variable for test initialization.
Definition: neighbor-cache-test.cc:1245