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src/helper/yans-wifi-helper.cc
author Nicola Baldo <nbaldo@cttc.es>
Thu Aug 13 09:36:53 2009 +0200 (2009-08-13)
changeset 4709 b0743dbc4e55
parent 4497 43c7dfd72eb1
child 4712 74ed62336c36
permissions -rw-r--r--
bug 639: add configurable capture size to pcap 
     1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */

     2 /*

     3  * Copyright (c) 2008 INRIA

     4  *

     5  * This program is free software; you can redistribute it and/or modify

     6  * it under the terms of the GNU General Public License version 2 as

     7  * published by the Free Software Foundation;

     8  *

     9  * This program is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12  * GNU General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU General Public License

    15  * along with this program; if not, write to the Free Software

    16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    17  *

    18  * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>

    19  */

    20 #include "yans-wifi-helper.h"

    21 #include "ns3/error-rate-model.h"

    22 #include "ns3/propagation-loss-model.h"

    23 #include "ns3/propagation-delay-model.h"

    24 #include "ns3/yans-wifi-channel.h"

    25 #include "ns3/yans-wifi-phy.h"

    26 #include "ns3/wifi-net-device.h"

    27 #include "ns3/pcap-writer.h"

    28 #include "ns3/simulator.h"

    29 #include "ns3/config.h"

    30 #include "ns3/names.h"

    31 

    32 namespace ns3 {

    33 

    34 static void PcapSniffTxEvent (Ptr<PcapWriter> writer, Ptr<const Packet> packet, uint16_t channelFreqMhz,  

    35                               uint32_t rate, bool isShortPreamble)

    36 {

    37   const double unusedValue = 0;

    38   writer->WriteWifiMonitorPacket(packet, channelFreqMhz, rate, isShortPreamble, true, unusedValue, unusedValue); 

    39 }

    40 

    41 

    42 static void PcapSniffRxEvent (Ptr<PcapWriter> writer, Ptr<const Packet> packet, uint16_t channelFreqMhz,  

    43                               uint32_t rate, bool isShortPreamble, double signalDbm, double noiseDbm)

    44 {

    45   writer->WriteWifiMonitorPacket(packet, channelFreqMhz, rate, isShortPreamble, false, signalDbm, noiseDbm); 

    46 }

    47 

    48 

    49 static void AsciiPhyTxEvent (std::ostream *os, std::string context, 

    50                              Ptr<const Packet> packet,

    51                              WifiMode mode, WifiPreamble preamble, 

    52                              uint8_t txLevel)

    53 {

    54   *os << "+ " << Simulator::Now () << " " << context << " " << *packet << std::endl;

    55 }

    56 

    57 static void AsciiPhyRxOkEvent (std::ostream *os, std::string context, 

    58                                Ptr<const Packet> packet, double snr, WifiMode mode, 

    59                                enum WifiPreamble preamble)

    60 {

    61   *os << "r " << Simulator::Now () << " " << context << " " << *packet << std::endl;

    62 }

    63 

    64 

    65 YansWifiChannelHelper::YansWifiChannelHelper ()

    66 {}

    67 

    68 YansWifiChannelHelper 

    69 YansWifiChannelHelper::Default (void)

    70 {

    71   YansWifiChannelHelper helper;

    72   helper.SetPropagationDelay ("ns3::ConstantSpeedPropagationDelayModel");

    73   helper.AddPropagationLoss ("ns3::LogDistancePropagationLossModel");

    74   return helper;

    75 }

    76 

    77 void 

    78 YansWifiChannelHelper::AddPropagationLoss (std::string type,

    79 					   std::string n0, const AttributeValue &v0,

    80 					   std::string n1, const AttributeValue &v1,

    81 					   std::string n2, const AttributeValue &v2,

    82 					   std::string n3, const AttributeValue &v3,

    83 					   std::string n4, const AttributeValue &v4,

    84 					   std::string n5, const AttributeValue &v5,

    85 					   std::string n6, const AttributeValue &v6,

    86 					   std::string n7, const AttributeValue &v7)

    87 {

    88   ObjectFactory factory;

    89   factory.SetTypeId (type);

    90   factory.Set (n0, v0);

    91   factory.Set (n1, v1);

    92   factory.Set (n2, v2);

    93   factory.Set (n3, v3);

    94   factory.Set (n4, v4);

    95   factory.Set (n5, v5);

    96   factory.Set (n6, v6);

    97   factory.Set (n7, v7);

    98   m_propagationLoss.push_back (factory);

    99 }

   100 

   101 void 

   102 YansWifiChannelHelper::SetPropagationDelay (std::string type,

   103 					    std::string n0, const AttributeValue &v0,

   104 					    std::string n1, const AttributeValue &v1,

   105 					    std::string n2, const AttributeValue &v2,

   106 					    std::string n3, const AttributeValue &v3,

   107 					    std::string n4, const AttributeValue &v4,

   108 					    std::string n5, const AttributeValue &v5,

   109 					    std::string n6, const AttributeValue &v6,

   110 					    std::string n7, const AttributeValue &v7)

   111 {

   112   ObjectFactory factory;

   113   factory.SetTypeId (type);

   114   factory.Set (n0, v0);

   115   factory.Set (n1, v1);

   116   factory.Set (n2, v2);

   117   factory.Set (n3, v3);

   118   factory.Set (n4, v4);

   119   factory.Set (n5, v5);

   120   factory.Set (n6, v6);

   121   factory.Set (n7, v7);

   122   m_propagationDelay = factory;

   123 }

   124 

   125 Ptr<YansWifiChannel> 

   126 YansWifiChannelHelper::Create (void) const

   127 {

   128   Ptr<YansWifiChannel> channel = CreateObject<YansWifiChannel> ();

   129   Ptr<PropagationLossModel> prev = 0;

   130   for (std::vector<ObjectFactory>::const_iterator i = m_propagationLoss.begin (); i != m_propagationLoss.end (); ++i)

   131     {

   132       Ptr<PropagationLossModel> cur = (*i).Create<PropagationLossModel> ();

   133       if (prev != 0)

   134 	{

   135 	  prev->SetNext (cur);

   136 	}

   137       if (m_propagationLoss.begin () == i)

   138 	{

   139 	  channel->SetPropagationLossModel (cur);

   140 	}

   141       prev = cur;

   142     }

   143   Ptr<PropagationDelayModel> delay = m_propagationDelay.Create<PropagationDelayModel> ();

   144   channel->SetPropagationDelayModel (delay);

   145   return channel;

   146 }

   147 

   148 

   149 YansWifiPhyHelper::YansWifiPhyHelper ()

   150   : m_channel (0),

   151     m_pcapFormat(PCAP_FORMAT_80211)

   152     

   153 {

   154   m_phy.SetTypeId ("ns3::YansWifiPhy");

   155 }

   156 

   157 YansWifiPhyHelper 

   158 YansWifiPhyHelper::Default (void)

   159 {

   160   YansWifiPhyHelper helper;

   161   helper.SetErrorRateModel ("ns3::YansErrorRateModel");

   162   return helper;

   163 }

   164 

   165 void 

   166 YansWifiPhyHelper::SetChannel (Ptr<YansWifiChannel> channel)

   167 {

   168   m_channel = channel;

   169 }

   170 void 

   171 YansWifiPhyHelper::SetChannel (std::string channelName)

   172 {

   173   Ptr<YansWifiChannel> channel = Names::Find<YansWifiChannel> (channelName);

   174   m_channel = channel;

   175 }

   176 void 

   177 YansWifiPhyHelper::Set (std::string name, const AttributeValue &v)

   178 {

   179   m_phy.Set (name, v);

   180 }

   181 

   182 void 

   183 YansWifiPhyHelper::SetErrorRateModel (std::string name,

   184                                      std::string n0, const AttributeValue &v0,

   185                                      std::string n1, const AttributeValue &v1,

   186                                      std::string n2, const AttributeValue &v2,

   187                                      std::string n3, const AttributeValue &v3,

   188                                      std::string n4, const AttributeValue &v4,

   189                                      std::string n5, const AttributeValue &v5,

   190                                      std::string n6, const AttributeValue &v6,

   191                                      std::string n7, const AttributeValue &v7)

   192 {

   193   m_errorRateModel = ObjectFactory ();

   194   m_errorRateModel.SetTypeId (name);

   195   m_errorRateModel.Set (n0, v0);

   196   m_errorRateModel.Set (n1, v1);

   197   m_errorRateModel.Set (n2, v2);

   198   m_errorRateModel.Set (n3, v3);

   199   m_errorRateModel.Set (n4, v4);

   200   m_errorRateModel.Set (n5, v5);

   201   m_errorRateModel.Set (n6, v6);

   202   m_errorRateModel.Set (n7, v7);

   203 }

   204 

   205 Ptr<WifiPhy> 

   206 YansWifiPhyHelper::Create (Ptr<Node> node, Ptr<WifiNetDevice> device) const

   207 {

   208   Ptr<YansWifiPhy> phy = m_phy.Create<YansWifiPhy> ();

   209   Ptr<ErrorRateModel> error = m_errorRateModel.Create<ErrorRateModel> ();

   210   phy->SetErrorRateModel (error);

   211   phy->SetChannel (m_channel);

   212   phy->SetMobility (node);

   213   phy->SetDevice (device);

   214   return phy;

   215 }

   216 

   217 

   218 void 

   219 YansWifiPhyHelper::SetPcapFormat (enum PcapFormat format)

   220 {

   221   m_pcapFormat = format;

   222 }

   223 

   224 

   225 void 

   226 YansWifiPhyHelper::EnablePcap (std::string filename, uint32_t nodeid, uint32_t deviceid)

   227 {

   228   std::ostringstream oss;

   229   oss << "/NodeList/" << nodeid << "/DeviceList/" << deviceid << "/$ns3::WifiNetDevice/Phy/";

   230   Config::MatchContainer matches = Config::LookupMatches (oss.str ());

   231   if (matches.GetN () == 0)

   232     {

   233       return;

   234     }

   235   oss.str ("");

   236   oss << filename << "-" << nodeid << "-" << deviceid << ".pcap";

   237   Ptr<PcapWriter> pcap = CreateObject<PcapWriter> ();

   238   pcap->Open (oss.str ());

   239 

   240   switch (m_pcapFormat) {

   241   case PCAP_FORMAT_80211:

   242     pcap->WriteWifiHeader ();  

   243     break;

   244   case PCAP_FORMAT_80211_RADIOTAP:

   245     pcap->WriteWifiRadiotapHeader ();  

   246     break;

   247   case PCAP_FORMAT_80211_PRISM:

   248     pcap->WriteWifiPrismHeader ();  

   249     break;

   250   }

   251   

   252   oss.str ("");

   253   oss << "/NodeList/" << nodeid << "/DeviceList/" << deviceid;

   254   oss << "/$ns3::WifiNetDevice/Phy/PromiscSnifferTx";

   255   Config::ConnectWithoutContext (oss.str (), MakeBoundCallback (&PcapSniffTxEvent, pcap));

   256 

   257   oss.str ("");

   258   oss << "/NodeList/" << nodeid << "/DeviceList/" << deviceid;

   259   oss << "/$ns3::WifiNetDevice/Phy/PromiscSnifferRx";

   260   Config::ConnectWithoutContext (oss.str (), MakeBoundCallback (&PcapSniffRxEvent, pcap));  

   261 }

   262 

   263 void 

   264 YansWifiPhyHelper::EnablePcap (std::string filename, NetDeviceContainer d)

   265 {

   266   for (NetDeviceContainer::Iterator i = d.Begin (); i != d.End (); ++i)

   267     {

   268       Ptr<NetDevice> dev = *i;

   269       EnablePcap (filename, dev->GetNode ()->GetId (), dev->GetIfIndex ());

   270     }

   271 }

   272 

   273 void 

   274 YansWifiPhyHelper::EnablePcap (std::string filename, Ptr<NetDevice> nd)

   275 {

   276   EnablePcap (filename, nd->GetNode ()->GetId (), nd->GetIfIndex ());

   277 }

   278 

   279 void 

   280 YansWifiPhyHelper::EnablePcap (std::string filename, std::string ndName)

   281 {

   282   Ptr<NetDevice> nd = Names::Find<NetDevice> (ndName);

   283   EnablePcap (filename, nd->GetNode ()->GetId (), nd->GetIfIndex ());

   284 }

   285 

   286 void

   287 YansWifiPhyHelper::EnablePcap (std::string filename, NodeContainer n)

   288 {

   289   NetDeviceContainer devs;

   290   for (NodeContainer::Iterator i = n.Begin (); i != n.End (); ++i)

   291     {

   292       Ptr<Node> node = *i;

   293       for (uint32_t j = 0; j < node->GetNDevices (); ++j)

   294         {

   295           devs.Add (node->GetDevice (j));

   296         }

   297     }

   298   EnablePcap (filename, devs);

   299 }

   300 

   301 void

   302 YansWifiPhyHelper::EnablePcapAll (std::string filename)

   303 {

   304   EnablePcap (filename, NodeContainer::GetGlobal ());

   305 }

   306 

   307 void 

   308 YansWifiPhyHelper::EnableAscii (std::ostream &os, uint32_t nodeid, uint32_t deviceid)

   309 {

   310   Packet::EnablePrinting ();

   311   std::ostringstream oss;

   312   oss << "/NodeList/" << nodeid << "/DeviceList/" << deviceid << "/$ns3::WifiNetDevice/Phy/State/RxOk";

   313   Config::Connect (oss.str (), MakeBoundCallback (&AsciiPhyRxOkEvent, &os));

   314   oss.str ("");

   315   oss << "/NodeList/" << nodeid << "/DeviceList/" << deviceid << "/$ns3::WifiNetDevice/Phy/State/Tx";

   316   Config::Connect (oss.str (), MakeBoundCallback (&AsciiPhyTxEvent, &os));

   317 }

   318 void 

   319 YansWifiPhyHelper::EnableAscii (std::ostream &os, NetDeviceContainer d)

   320 {

   321   for (NetDeviceContainer::Iterator i = d.Begin (); i != d.End (); ++i)

   322     {

   323       Ptr<NetDevice> dev = *i;

   324       EnableAscii (os, dev->GetNode ()->GetId (), dev->GetIfIndex ());

   325     }

   326 }

   327 void

   328 YansWifiPhyHelper::EnableAscii (std::ostream &os, NodeContainer n)

   329 {

   330   NetDeviceContainer devs;

   331   for (NodeContainer::Iterator i = n.Begin (); i != n.End (); ++i)

   332     {

   333       Ptr<Node> node = *i;

   334       for (uint32_t j = 0; j < node->GetNDevices (); ++j)

   335         {

   336           devs.Add (node->GetDevice (j));

   337         }

   338     }

   339   EnableAscii (os, devs);

   340 }

   341 

   342 void

   343 YansWifiPhyHelper::EnableAsciiAll (std::ostream &os)

   344 {

   345   EnableAscii (os, NodeContainer::GetGlobal ());

   346 }

   347 

   348 } // namespace ns3
ns-3-dev