-
Notifications
You must be signed in to change notification settings - Fork 18
/
iMesh-olsr.cc
360 lines (298 loc) · 11.1 KB
/
iMesh-olsr.cc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
/* Net topology
*
*
*
* With a 3x3 mesh grid (size can vary):
*
* n2 n3 n4
*
*
* n0----n1 ))) n5 n6 n7
*
*
* n8 n9 n10
*
* n0: Internet node
* n1: access node (a static mesh node with a P2P link)
* n2-n10: mesh nodes
*
*/
#include "ns3/core-module.h"
#include "ns3/internet-module.h"
#include "ns3/network-module.h"
#include "ns3/applications-module.h"
#include "ns3/wifi-module.h"
#include "ns3/mesh-module.h"
#include "ns3/mobility-module.h"
#include "ns3/mesh-helper.h"
#include "ns3/point-to-point-module.h"
#include "ns3/ipv4-global-routing-helper.h"
#include "ns3/netanim-module.h"
#include "ns3/olsr-helper.h"
#include <iostream>
#include <sstream>
#include <fstream>
// Needed for ping and test
#include "ns3/test.h"
#include "ns3/abort.h"
#include "ns3/v4ping.h"
#include "ns3/config.h"
#include "ns3/names.h"
#include "src/core/model/log.h"
using namespace ns3;
NS_LOG_COMPONENT_DEFINE ("iMesh");
class MeshTest
{
public:
/// Init test
MeshTest ();
/// Configure test from command line arguments
void Configure (int argc, char ** argv);
/// Run test
int Run ();
private:
int m_xSize;
int m_ySize;
double m_step;
double m_randomStart;
double m_totalTime;
double m_packetInterval;
uint16_t m_packetSize;
uint32_t m_nIfaces;
bool m_chan;
bool m_pcap;
std::string m_stack;
std::string m_root;
NodeContainer nc_all; // Contains every node (starting with internet node, access nodes and then mesh nodes
NodeContainer nc_mesh; // Contains mesh nodes
NodeContainer nc_wireless; // Contains access and mesh nodes
NodeContainer nc_internet; // Contains internet nodes
NodeContainer nc_destination; // Contains nodes with sink for apps (internet and mesh nodes)
/// List of all mesh point devices
NetDeviceContainer meshDevices;
NetDeviceContainer internetDevices;
//Addresses of meshInterfaces:
Ipv4InterfaceContainer meshInterfaces;
Ipv4InterfaceContainer p2pInterfaces; /// Needed for n0-----n1
// MeshHelper. Report is not static methods
MeshHelper meshHelper;
PointToPointHelper p2pHelper;
private:
/// Create nodes and setup their mobility
void CreateNodes ();
/// Install internet m_stack on nodes
void InstallInternetStack ();
/// Install applications
void InstallApplication ();
/// Print mesh devices diagnostics
void Report ();
};
MeshTest::MeshTest () :
m_xSize (3),
m_ySize (3),
m_step (100.0),
m_randomStart (0.1),
m_totalTime (30.0),
m_packetInterval (1.0),
m_packetSize (1024),
m_nIfaces (1),
m_chan (true),
m_pcap (false),
m_stack ("ns3::Dot11sStack"),
m_root ("ff:ff:ff:ff:ff:ff") { }
void
MeshTest::Configure (int argc, char *argv[])
{
CommandLine cmd;
cmd.AddValue ("x-size", "Number of nodes in a row grid. [6]", m_xSize);
cmd.AddValue ("y-size", "Number of rows in a grid. [6]", m_ySize);
cmd.AddValue ("step", "Size of edge in our grid, meters. [100 m]", m_step);
/*
* As soon as starting node means that it sends a beacon,
* simultaneous start is not good.
*/
cmd.AddValue ("start", "Maximum random start delay, seconds. [0.1 s]", m_randomStart);
cmd.AddValue ("time", "Simulation time, seconds [100 s]", m_totalTime);
cmd.AddValue ("packet-interval", "Interval between packets in UDP ping, seconds [0.001 s]", m_packetInterval);
cmd.AddValue ("packet-size", "Size of packets in UDP ping", m_packetSize);
cmd.AddValue ("meshInterfaces", "Number of radio interfaces used by each meshHelper point. [1]", m_nIfaces);
cmd.AddValue ("channels", "Use different frequency channels for different meshInterfaces. [0]", m_chan);
cmd.AddValue ("pcap", "Enable PCAP traces on meshInterfaces. [0]", m_pcap);
cmd.AddValue ("stack", "Type of protocol stack. ns3::Dot11sStack by default", m_stack);
cmd.AddValue ("root", "Mac address of root meshHelper point in HWMP", m_root);
cmd.Parse (argc, argv);
NS_LOG_DEBUG ("Grid:" << m_xSize << "*" << m_ySize);
NS_LOG_DEBUG ("Simulation time: " << m_totalTime << " s");
LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_INFO);
LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_INFO);
}
void
MeshTest::CreateNodes ()
{
// Node container creation (all node containers starts with "nc_")
/*
* Create m_ySize*m_xSize stations to form a grid topology
*/
nc_all.Create (2);
nc_mesh.Create (m_ySize * m_xSize);
/// Needed to add mesh nodes and wireless nodes to the internet nodes
nc_all.Add (nc_mesh);
nc_mesh.Add (nc_all.Get (1)); /// n1---{meshHelper nodes}
nc_wireless.Add (nc_all.Get (1));
nc_wireless.Add (nc_mesh);
nc_internet.Add (nc_all.Get (0));
nc_internet.Add (nc_all.Get (1));
nc_destination.Add (nc_all.Get (0));
nc_destination.Add (nc_mesh);
//Create P2P links between n0 <-> n1 (all devices starts with "de_")
p2pHelper.SetDeviceAttribute ("DataRate", StringValue ("1Mbps"));
p2pHelper.SetChannelAttribute ("Delay", StringValue ("10ms"));
internetDevices = p2pHelper.Install (nc_internet);
// Configure YansWifiChannel
YansWifiPhyHelper wifiPhy = YansWifiPhyHelper::Default ();
YansWifiChannelHelper wifiChannel = YansWifiChannelHelper::Default ();
wifiPhy.SetChannel (wifiChannel.Create ());
/*
* Create mesh helper and set stack installer to it
* Stack installer creates all needed protocols and install them to
* meshHelper point device
*/
meshHelper = MeshHelper::Default ();
if (!Mac48Address (m_root.c_str ()).IsBroadcast ())
{
meshHelper.SetStackInstaller (m_stack, "Root", Mac48AddressValue (Mac48Address (m_root.c_str ())));
}
else
{
//If root is not set, we do not use "Root" attribute, because it
//is specified only for 11s
meshHelper.SetStackInstaller (m_stack);
}
if (m_chan)
{
meshHelper.SetSpreadInterfaceChannels (MeshHelper::SPREAD_CHANNELS);
}
else
{
meshHelper.SetSpreadInterfaceChannels (MeshHelper::ZERO_CHANNEL);
}
meshHelper.SetMacType ("RandomStart", TimeValue (Seconds (m_randomStart)));
// Set number of interfaces - default is single-interface meshHelper point
meshHelper.SetNumberOfInterfaces (m_nIfaces);
// Install protocols and return container if MeshPointDevices
meshDevices = meshHelper.Install (wifiPhy, nc_mesh);
// Setup mobility - static grid topology
MobilityHelper mobilityHelper;
mobilityHelper.SetPositionAllocator ("ns3::GridPositionAllocator",
"MinX", DoubleValue (0.0),
"MinY", DoubleValue (0.0),
"DeltaX", DoubleValue (m_step),
"DeltaY", DoubleValue (m_step),
"GridWidth", UintegerValue (m_xSize),
"LayoutType", StringValue ("RowFirst"));
mobilityHelper.SetMobilityModel ("ns3::RandomWalk2dMobilityModel", "Bounds", RectangleValue(Rectangle(-1000, 1000, -1000, 1000)));
mobilityHelper.Install (nc_mesh);
if (m_pcap)
wifiPhy.EnablePcapAll (std::string ("mp-"));
/*AnimationInterface animation("iMesh.xml");
animation.SetConstantPosition(nc_internet.Get(0), -200.0, 100.0);
animation.SetConstantPosition(nc_internet.Get(1), -100.0, 100.0);*/
}
void
MeshTest::InstallInternetStack ()
{
InternetStackHelper internetStackHelper;
OlsrHelper routingProtocol;
internetStackHelper.SetRoutingHelper (routingProtocol);
internetStackHelper.Install (nc_mesh);
internetStackHelper.Install (nc_all.Get (0)); /// Setting up protocol stack on node 0
Ipv4AddressHelper meshAddress;
meshAddress.SetBase ("10.1.1.0", "255.255.255.0");
meshInterfaces = meshAddress.Assign (meshDevices);
Ipv4AddressHelper p2pAddress;
p2pAddress.SetBase ("1.1.1.0", "255.255.255.0");
p2pInterfaces = p2pAddress.Assign (internetDevices);
}
void
MeshTest::InstallApplication ()
{
UdpEchoServerHelper echoServer (9);
ApplicationContainer serverApps = echoServer.Install (nc_all.Get (0));
serverApps.Start (Seconds (0.0));
serverApps.Stop (Seconds (m_totalTime));
UdpEchoClientHelper echoClient (p2pInterfaces.GetAddress (0), 9);
//echoClient.SetAttribute ("MaxPackets", UintegerValue ((uint32_t) (m_totalTime * (1 / m_packetInterval))));
echoClient.SetAttribute ("MaxPackets", UintegerValue (20));
echoClient.SetAttribute ("Interval", TimeValue (Seconds (m_packetInterval)));
echoClient.SetAttribute ("PacketSize", UintegerValue (m_packetSize));
ApplicationContainer clientApps1 = echoClient.Install (nc_mesh.Get (m_xSize * m_ySize - 1));
//ApplicationContainer clientApps2 = echoClient.Install (nc_mesh.Get (m_xSize * m_ySize - 2));
clientApps1.Start (Seconds (0.0));
clientApps1.Stop (Seconds (m_totalTime));
// clientApps2.Start (Seconds (12));
// clientApps2.Stop (Seconds (m_totalTime));
/*for (tmp_x = 2; tmp_x < m_xSize * m_ySize + 2; tmp_x++)
{
sprintf (tmp_char, "%d-STA", tmp_x);
AnimationInterface::SetNodeDescription (nc_all.Get (tmp_x), tmp_char);
}
AnimationInterface::SetNodeDescription (nc_all.Get (0), "0-Internet");
AnimationInterface::SetNodeDescription (nc_all.Get (1), "1-AP");
AnimationInterface::SetNodeColor (nc_mesh, 0, 255, 0);
AnimationInterface::SetNodeColor (nc_internet.Get (0), 255, 0, 0);
AnimationInterface::SetNodeColor (nc_internet.Get (1), 0, 0, 255);
*/
}
int
MeshTest::Run ()
{
CreateNodes ();
InstallInternetStack ();
InstallApplication ();
AnimationInterface animation ("iMesh.xml");
animation.SetConstantPosition (nc_all.Get (0), 0.0, 0.0);
animation.SetConstantPosition (nc_internet.Get (1), 37.0, 0.0);
animation.SetConstantPosition (nc_mesh.Get (0), 75.0, 75.0);
animation.SetConstantPosition (nc_mesh.Get (1), 150.0, 75.0);
animation.SetConstantPosition (nc_mesh.Get (2), 225.0, 75.0);
animation.SetConstantPosition (nc_mesh.Get (3), 75.0, 150.0);
animation.SetConstantPosition (nc_mesh.Get (4), 150.0, 150.0);
animation.SetConstantPosition (nc_mesh.Get (5), 225.0, 150.0);
animation.SetConstantPosition (nc_mesh.Get (6), 75.0, 0.0);
animation.SetConstantPosition (nc_mesh.Get (7), 150.0, 0.0);
animation.SetConstantPosition (nc_mesh.Get (8), 225.0, 0.0);
//animation.EnablePacketMetadata(true);
//anim.EnableIpv4RouteTracking (m_routeFile, Seconds (0), Seconds (m_totalTime), Seconds (0.25));
Simulator::Schedule (Seconds (m_totalTime), &MeshTest::Report, this);
Simulator::Stop (Seconds (m_totalTime));
Simulator::Run ();
Simulator::Destroy ();
return 0;
}
void
MeshTest::Report () {
// unsigned n (0);
// for (NetDeviceContainer::Iterator i = meshDevices.Begin (); i != meshDevices.End (); ++i, ++n)
// {
// std::ostringstream os;
// os << "mp-report-" << n << ".xml";
// std::cerr << "Printing meshHelper point device #" << n << " diagnostics to " << os.str () << "\n";
// std::ofstream of;
// of.open (os.str ().c_str ());
// if (!of.is_open ())
// {
// std::cerr << "Error: Can't open file " << os.str () << "\n";
// return;
// }
// meshHelper.Report (*i, of);
// of.close ();
// }
}
int
main (int argc, char *argv[])
{
ns3::PacketMetadata::Enable ();
MeshTest t;
t.Configure (argc, argv);
return t.Run ();
}