A Discrete-Event Network Simulator
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lr-wpan-ack-test.cc
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1/*
2 * Copyright (c) 2014 Fraunhofer FKIE
3 *
4 * SPDX-License-Identifier: GPL-2.0-only
5 *
6 * Author:
7 * Sascha Alexander Jopen <jopen@cs.uni-bonn.de>
8 * Modifications:
9 * Tommaso Pecorella <tommaso.pecorella@unifi.it>
10 */
11
12#include "ns3/rng-seed-manager.h"
13#include <ns3/constant-position-mobility-model.h>
14#include <ns3/core-module.h>
15#include <ns3/log.h>
16#include <ns3/lr-wpan-module.h>
17#include <ns3/packet.h>
18#include <ns3/propagation-delay-model.h>
19#include <ns3/propagation-loss-model.h>
20#include <ns3/simulator.h>
21#include <ns3/single-model-spectrum-channel.h>
22
23#include <fstream>
24#include <iostream>
25#include <streambuf>
26#include <string>
27
28using namespace ns3;
29using namespace ns3::lrwpan;
30
31NS_LOG_COMPONENT_DEFINE("lr-wpan-ack-test");
32
33/**
34 * \ingroup lr-wpan
35 * \defgroup lr-wpan-test LrWpan module tests
36 */
37
38/**
39 * \ingroup lr-wpan-test
40 * \ingroup tests
41 *
42 * \brief LrWpan ACK Test
43 */
45{
46 public:
47 /**
48 * Test modes
49 */
51 {
52 EXTENDED_ADDRESS_UNICAST, //!< extended addresses
53 SHORT_ADDRESS_UNICAST, //!< short addresses, unicast
54 SHORT_ADDRESS_MULTICAST, //!< short addresses, multicast
55 SHORT_ADDRESS_BROADCAST, //!< short addresses, broadcast
56 };
57
58 /**
59 * Create test case
60 *
61 * \param prefix Unique file names prefix
62 * \param mode Test mode
63 */
64 LrWpanAckTestCase(const char* const prefix, TestMode_e mode);
65
66 /**
67 * \brief Function called when DataIndication is hit on dev0.
68 * \param params The MCPS params.
69 * \param p the packet.
70 */
72 /**
73 * \brief Function called when DataIndication is hit on dev1.
74 * \param params The MCPS params.
75 * \param p the packet.
76 */
78 /**
79 * \brief Function called when DataConfirm is hit on dev0.
80 * \param params The MCPS params.
81 */
83 /**
84 * \brief Function called when DataConfirm is hit on dev1.
85 * \param params The MCPS params.
86 */
88
89 private:
90 void DoRun() override;
91
92 std::string m_prefix; //!< Filename prefix
93 Time m_requestTime; //!< Request time.
94 Time m_requestSentTime; //!< Request successfully sent time.
95 Time m_replyTime; //!< Reply time.
96 Time m_replySentTime; //!< Reply successfully sent time.
97 Time m_replyArrivalTime; //!< Reply arrival time.
98 TestMode_e m_mode; //!< Test mode.
99 Ptr<LrWpanNetDevice> m_dev0; //!< 1st LrWpanNetDevice.
100 Ptr<LrWpanNetDevice> m_dev1; //!< 2nd LrWpanNetDevice.
101};
102
104 : TestCase("Test the 802.15.4 ACK handling")
105{
106 m_prefix = prefix;
109 m_replyTime = Seconds(0);
112 m_mode = mode;
113}
114
115void
120
121void
123{
124 Ptr<Packet> pkt = Create<Packet>(10); // 10 bytes of dummy data
125 McpsDataRequestParams replyParams;
126 replyParams.m_dstPanId = 0;
127 replyParams.m_msduHandle = 0;
128 replyParams.m_txOptions = TX_OPTION_NONE;
129
131 {
132 replyParams.m_srcAddrMode = EXT_ADDR;
133 replyParams.m_dstAddrMode = EXT_ADDR;
134 replyParams.m_dstExtAddr = Mac64Address("00:00:00:00:00:00:00:01");
135 }
136 else
137 {
138 replyParams.m_srcAddrMode = SHORT_ADDR;
139 replyParams.m_dstAddrMode = SHORT_ADDR;
140 replyParams.m_dstAddr = Mac16Address("00:01");
141 }
143 m_dev1->GetMac()->McpsDataRequest(replyParams, pkt);
144}
145
146void
151
152void
157
158void
160{
161 // Test setup:
162 // Two nodes well in communication range.
163 // Node 1 sends a request packet to node 2 with ACK request bit set. Node 2
164 // immediately answers with a reply packet on reception of the request.
165 // We expect the ACK of the request packet to always arrive at node 1 before
166 // the reply packet sent by node 2.
167 // This, of course, unelss the packet is sent to a broadcast or multicast address
168 // in this case we don't expect any ACK.
169
170 // Enable calculation of FCS in the trailers. Only necessary when interacting with real devices
171 // or wireshark. GlobalValue::Bind ("ChecksumEnabled", BooleanValue (true));
172
173 // Set the random seed and run number for this test
176
178
179 // Helper - used to create traces
180 LrWpanHelper helper;
181 std::string asciiPrefix;
182
183 // Create 2 nodes, and a NetDevice for each one
185 nodes.Create(2);
186 helper.SetPropagationDelayModel("ns3::ConstantSpeedPropagationDelayModel");
187 helper.AddPropagationLossModel("ns3::LogDistancePropagationLossModel");
188 NetDeviceContainer devices = helper.Install(nodes);
189 m_dev0 = devices.Get(0)->GetObject<LrWpanNetDevice>();
190 m_dev1 = devices.Get(1)->GetObject<LrWpanNetDevice>();
191
192 // Make random variable stream assignment deterministic
194 m_dev1->AssignStreams(10);
195
196 // Add short addresses.
197 m_dev0->SetAddress(Mac16Address("00:01"));
198 m_dev1->SetAddress(Mac16Address("00:02"));
199 // Add extended addresses.
200 m_dev0->GetMac()->SetExtendedAddress(Mac64Address("00:00:00:00:00:00:00:01"));
201 m_dev1->GetMac()->SetExtendedAddress(Mac64Address("00:00:00:00:00:00:00:02"));
202
203 Ptr<ConstantPositionMobilityModel> sender0Mobility =
205 sender0Mobility->SetPosition(Vector(0, 0, 0));
206 m_dev0->GetPhy()->SetMobility(sender0Mobility);
207 Ptr<ConstantPositionMobilityModel> sender1Mobility =
209 // Configure position 10 m distance
210 sender1Mobility->SetPosition(Vector(0, 10, 0));
211 m_dev1->GetPhy()->SetMobility(sender1Mobility);
212
215 m_dev0->GetMac()->SetMcpsDataConfirmCallback(cb0);
216
219 m_dev0->GetMac()->SetMcpsDataIndicationCallback(cb1);
220
223 m_dev1->GetMac()->SetMcpsDataConfirmCallback(cb2);
224
227 m_dev1->GetMac()->SetMcpsDataIndicationCallback(cb3);
228
229 Ptr<Packet> p0 = Create<Packet>(50); // 50 bytes of dummy data
231 uint8_t expectedAckCount = 0;
232 switch (m_mode)
233 {
235 params.m_srcAddrMode = SHORT_ADDR;
236 params.m_dstAddrMode = SHORT_ADDR;
237 params.m_dstAddr = Mac16Address("00:02");
238 expectedAckCount = 1;
239 break;
241 params.m_srcAddrMode = SHORT_ADDR;
242 params.m_dstAddrMode = SHORT_ADDR;
244 expectedAckCount = 0;
245 break;
247 params.m_srcAddrMode = SHORT_ADDR;
248 params.m_dstAddrMode = SHORT_ADDR;
249 params.m_dstAddr = Mac16Address::GetBroadcast();
250 expectedAckCount = 0;
251 break;
253 params.m_srcAddrMode = EXT_ADDR;
254 params.m_dstAddrMode = EXT_ADDR;
255 params.m_dstExtAddr = Mac64Address("00:00:00:00:00:00:00:02");
256 expectedAckCount = 1;
257 break;
258 }
259 params.m_dstPanId = 0;
260 params.m_msduHandle = 0;
261 params.m_txOptions = TX_OPTION_ACK;
264
267
268 std::ifstream traceFile(CreateTempDirFilename(m_prefix) + "-0-0.tr");
269 uint8_t ackCounter = 0;
270 std::string sub("Frame Type = 2");
271 for (std::string line; getline(traceFile, line);)
272 {
273 if (line.find(sub, 0) != std::string::npos)
274 {
275 ackCounter++;
276 }
277 }
278 traceFile.close();
279
280 // Note: the packet being correctly sent includes receiving an ACK in case of for unicact
281 // packets.
284 "Sent the request before the reply (as expected)");
285 NS_TEST_EXPECT_MSG_GT(m_requestSentTime, Time(0), "The request was sent (as expected)");
288 "The request was sent before the reply arrived (as expected)");
291 "The reply was sent before the reply arrived (as expected)");
292 NS_TEST_EXPECT_MSG_EQ(ackCounter,
293 expectedAckCount,
294 "The right amount of ACKs have been seen on the channel (as expected)");
295
296 m_dev0 = nullptr;
297 m_dev1 = nullptr;
298
300}
301
302/**
303 * \ingroup lr-wpan-test
304 * \ingroup tests
305 *
306 * \brief LrWpan ACK TestSuite
307 */
309{
310 public:
312};
313
315 : TestSuite("lr-wpan-ack", Type::UNIT)
316{
318 TestCase::Duration::QUICK);
321 TestCase::Duration::QUICK);
324 TestCase::Duration::QUICK);
327 TestCase::Duration::QUICK);
328}
329
330static LrWpanAckTestSuite g_lrWpanAckTestSuite; //!< Static variable for test initialization
LrWpan ACK Test.
@ SHORT_ADDRESS_MULTICAST
short addresses, multicast
@ SHORT_ADDRESS_BROADCAST
short addresses, broadcast
@ EXTENDED_ADDRESS_UNICAST
extended addresses
@ SHORT_ADDRESS_UNICAST
short addresses, unicast
Time m_requestSentTime
Request successfully sent time.
void DataIndicationDev0(McpsDataIndicationParams params, Ptr< Packet > p)
Function called when DataIndication is hit on dev0.
Time m_requestTime
Request time.
Time m_replyTime
Reply time.
void DataIndicationDev1(McpsDataIndicationParams params, Ptr< Packet > p)
Function called when DataIndication is hit on dev1.
std::string m_prefix
Filename prefix.
Time m_replySentTime
Reply successfully sent time.
void DataConfirmDev0(McpsDataConfirmParams params)
Function called when DataConfirm is hit on dev0.
Ptr< LrWpanNetDevice > m_dev0
1st LrWpanNetDevice.
LrWpanAckTestCase(const char *const prefix, TestMode_e mode)
Create test case.
void DoRun() override
Implementation to actually run this TestCase.
TestMode_e m_mode
Test mode.
Ptr< LrWpanNetDevice > m_dev1
2nd LrWpanNetDevice.
Time m_replyArrivalTime
Reply arrival time.
void DataConfirmDev1(McpsDataConfirmParams params)
Function called when DataConfirm is hit on dev1.
LrWpan ACK TestSuite.
void EnableAscii(std::string prefix, Ptr< NetDevice > nd, bool explicitFilename=false)
Enable ascii trace output on the indicated net device.
static Ipv6Address GetAllNodesMulticast()
Get the "all nodes multicast" address.
helps to manage and create IEEE 802.15.4 NetDevice objects
NetDeviceContainer Install(NodeContainer c)
Install a LrWpanNetDevice and the associated structures (e.g., channel) in the nodes.
void SetPropagationDelayModel(std::string name, Ts &&... args)
void AddPropagationLossModel(std::string name, Ts &&... args)
This class can contain 16 bit addresses.
static Mac16Address GetMulticast(Ipv6Address address)
Returns the multicast address associated with an IPv6 address according to RFC 4944 Section 9.
static Mac16Address GetBroadcast()
an EUI-64 address
holds a vector of ns3::NetDevice pointers
keep track of a set of node pointers.
void Create(uint32_t n)
Create n nodes and append pointers to them to the end of this NodeContainer.
static void EnablePrinting()
Enable printing packets metadata.
Definition packet.cc:585
Smart pointer class similar to boost::intrusive_ptr.
static void SetRun(uint64_t run)
Set the run number of simulation.
static void SetSeed(uint32_t seed)
Set the seed.
static void Destroy()
Execute the events scheduled with ScheduleDestroy().
Definition simulator.cc:131
static Time Now()
Return the current simulation virtual time.
Definition simulator.cc:197
static void Run()
Run the simulation.
Definition simulator.cc:167
static EventId ScheduleNow(FUNC f, Ts &&... args)
Schedule an event to expire Now.
Definition simulator.h:594
encapsulates test code
Definition test.h:1050
void AddTestCase(TestCase *testCase, Duration duration=Duration::QUICK)
Add an individual child TestCase to this test suite.
Definition test.cc:292
std::string CreateTempDirFilename(std::string filename)
Construct the full path to a file in a temporary directory.
Definition test.cc:432
A suite of tests to run.
Definition test.h:1267
Type
Type of test.
Definition test.h:1274
Simulation virtual time values and global simulation resolution.
Definition nstime.h:94
void McpsDataRequest(McpsDataRequestParams params, Ptr< Packet > p) override
IEEE 802.15.4-2006, section 7.1.1.1 MCPS-DATA.request Request to transfer a MSDU.
Network layer to device interface.
int64_t AssignStreams(int64_t stream)
Assign a fixed random variable stream number to the random variables used by this model.
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition log.h:191
@ TX_OPTION_NONE
TX_OPTION_NONE.
Definition lr-wpan-mac.h:52
@ TX_OPTION_ACK
TX_OPTION_ACK.
Definition lr-wpan-mac.h:53
Ptr< T > CreateObject(Args &&... args)
Create an object by type, with varying number of constructor parameters.
Definition object.h:619
Ptr< T > Create(Ts &&... args)
Create class instances by constructors with varying numbers of arguments and return them by Ptr.
Definition ptr.h:436
#define NS_TEST_EXPECT_MSG_LT(actual, limit, msg)
Test that an actual value is less than a limit and report if not.
Definition test.h:780
#define NS_TEST_EXPECT_MSG_GT(actual, limit, msg)
Test that an actual value is greater than a limit and report if not.
Definition test.h:946
#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:241
Time Seconds(double value)
Construct a Time in the indicated unit.
Definition nstime.h:1308
static LrWpanAckTestSuite g_lrWpanAckTestSuite
Static variable for test initialization.
NodeContainer nodes
Every class exported by the ns3 library is enclosed in the ns3 namespace.
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:684
AddressMode m_dstAddrMode
Destination address mode.
Mac16Address m_dstAddr
Destination address.
Mac64Address m_dstExtAddr
Destination extended address.
uint16_t m_dstPanId
Destination PAN identifier.
AddressMode m_srcAddrMode
Source address mode.
uint8_t m_txOptions
Tx Options (bitfield)