/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2015 Sébastien Deronne

 *

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

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

 * published by the Free Software Foundation;

 *

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

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

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

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

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

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

 *

 * Author: Sébastien Deronne <sebastien.deronne@gmail.com>

 */

#include "ns3/core-module.h"

#include "ns3/network-module.h"

#include "ns3/applications-module.h"

#include "ns3/wifi-module.h"

#include "ns3/mobility-module.h"

#include "ns3/ipv4-global-routing-helper.h"

#include "ns3/internet-module.h"

// This is a simple example in order to show how 802.11n MPDU aggregation feature works.

// The throughput is obtained for a given number of aggregated MPDUs.

//

// The number of aggregated MPDUs can be chosen by the user through the nMpdus attibute.

// A value of 1 means that no MPDU aggregation is performed.

//

// Example: ./waf --run "simple-mpdu-aggregation --nMpdus=64"

//

// Network topology:

//

//   Wifi 192.168.1.0

//

//        AP

//   *    *

//   |    |

//   n1   n2

//

// Packets in this simulation aren't marked with a QosTag so they are considered

// belonging to BestEffort Access Class (AC_BE).

using namespace ns3;

NS_LOG_COMPONENT_DEFINE ("SimpleMpduAggregation");

int main (int argc, char *argv[])

{

  uint32_t payloadSize = 1472; //bytes

  uint64_t simulationTime = 10; //seconds

  uint32_t nMpdus = 1;

  bool enableRts = 0;

  CommandLine cmd;

  cmd.AddValue("nMpdus", "Number of aggregated MPDUs", nMpdus); //number of aggregated MPDUs specified by the user

  cmd.AddValue("payloadSize", "Payload size in bytes", payloadSize);

  cmd.AddValue("enableRts", "Enable RTS/CTS", enableRts);

  cmd.AddValue("simulationTime", "Simulation time in seconds", simulationTime);

  cmd.Parse (argc, argv);

  if(!enableRts)

    Config::SetDefault ("ns3::WifiRemoteStationManager::RtsCtsThreshold", StringValue ("999999"));

  else

    Config::SetDefault ("ns3::WifiRemoteStationManager::RtsCtsThreshold", StringValue ("0"));

  Config::SetDefault ("ns3::WifiRemoteStationManager::FragmentationThreshold", StringValue ("990000"));

  NodeContainer wifiStaNode;

  wifiStaNode.Create (1);

  NodeContainer wifiApNode;

  wifiApNode.Create(1);

  YansWifiChannelHelper channel = YansWifiChannelHelper::Default ();

  YansWifiPhyHelper phy = YansWifiPhyHelper::Default ();

  phy.SetPcapDataLinkType (YansWifiPhyHelper::DLT_IEEE802_11_RADIO);

  phy.SetChannel (channel.Create());

  WifiHelper wifi = WifiHelper::Default ();

  wifi.SetStandard (WIFI_PHY_STANDARD_80211n_5GHZ);

  wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager", "DataMode", StringValue("OfdmRate65MbpsBW20MHz"), "ControlMode", StringValue("OfdmRate6_5MbpsBW20MHz"));

  HtWifiMacHelper mac = HtWifiMacHelper::Default ();

  Ssid ssid = Ssid ("simple-mpdu-aggregation");

  mac.SetType ("ns3::StaWifiMac",

               "Ssid", SsidValue (ssid),

               "ActiveProbing", BooleanValue (false));

  if (nMpdus > 1) mac.SetBlockAckThresholdForAc (AC_BE, 2); //enable Block ACK when A-MPDU is enabled (i.e. nMpdus > 1)

  mac.SetMpduAggregatorForAc (AC_BE,"ns3::MpduStandardAggregator",

                              "MaxAmpduSize", UintegerValue (nMpdus*(payloadSize+100))); //enable MPDU aggregation for AC_BE with a maximum aggregated size of nMpdus*(payloadSize+100) bytes, i.e. nMpdus aggregated packets in an A-MPDU

  NetDeviceContainer staDevice;

  staDevice = wifi.Install (phy, mac, wifiStaNode);

  mac.SetType ("ns3::ApWifiMac",

               "Ssid", SsidValue (ssid),

               "BeaconInterval", TimeValue (MicroSeconds(102400)),

               "BeaconGeneration", BooleanValue (true));

  if (nMpdus > 1) mac.SetBlockAckThresholdForAc (AC_BE, 2); //enable Block ACK when A-MPDU is enabled (i.e. nMpdus > 1)

  mac.SetMpduAggregatorForAc (AC_BE,"ns3::MpduStandardAggregator",

                              "MaxAmpduSize", UintegerValue (nMpdus*(payloadSize+100))); //enable MPDU aggregation for AC_BE with a maximum aggregated size of nMpdus*(payloadSize+100) bytes, i.e. nMpdus aggregated packets in an A-MPDU

  NetDeviceContainer apDevice;

  apDevice = wifi.Install (phy, mac, wifiApNode);

  /* Setting mobility model */

  MobilityHelper mobility;

  Ptr<ListPositionAllocator> positionAlloc = CreateObject<ListPositionAllocator> ();

  positionAlloc->Add (Vector (0.0, 0.0, 0.0));

  positionAlloc->Add (Vector (1.0, 0.0, 0.0));

  mobility.SetPositionAllocator (positionAlloc);

  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");

  mobility.Install (wifiApNode);

  mobility.Install (wifiStaNode);

  /* Internet stack*/

  InternetStackHelper stack;

  stack.Install (wifiApNode);

  stack.Install (wifiStaNode);

  Ipv4AddressHelper address;

  address.SetBase ("192.168.1.0", "255.255.255.0");

  Ipv4InterfaceContainer StaInterface;

  StaInterface = address.Assign (staDevice);

  Ipv4InterfaceContainer ApInterface;

  ApInterface = address.Assign (apDevice);

  /* Setting applications */

  UdpServerHelper myServer (9);

  ApplicationContainer serverApp = myServer.Install (wifiStaNode.Get (0));

  serverApp.Start (Seconds (0.0));

  serverApp.Stop (Seconds (simulationTime+1));

  UdpClientHelper myClient (StaInterface.GetAddress (0), 9);

  myClient.SetAttribute ("MaxPackets", UintegerValue (4294967295));

  myClient.SetAttribute ("Interval", TimeValue (Time ("0.00002"))); //packets/s

  myClient.SetAttribute ("PacketSize", UintegerValue (payloadSize));

  ApplicationContainer clientApp = myClient.Install (wifiApNode.Get (0));

  clientApp.Start (Seconds (1.0));

  clientApp.Stop (Seconds (simulationTime+1));

  Simulator::Stop (Seconds (simulationTime+1));

  Simulator::Run ();

  Simulator::Destroy ();

  uint32_t totalPacketsThrough = DynamicCast<UdpServer>(serverApp.Get (0))->GetReceived ();

  double throughput = totalPacketsThrough*payloadSize*8/(simulationTime*1000000.0);

  std::cout << "Throughput: " << throughput << " Mbit/s" << '\n';

  return 0;

}

/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2009 MIRKO BANCHI

 *

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

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

 * published by the Free Software Foundation;

 *

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

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

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

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

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

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

 *

 * Authors: Mirko Banchi <mk.banchi@gmail.com>

 *          Sébastien Deronne <sebastien.deronne@gmail.com>

 */

#include "ns3/core-module.h"

#include "ns3/network-module.h"

#include "ns3/applications-module.h"

#include "ns3/wifi-module.h"

#include "ns3/mobility-module.h"

#include "ns3/ipv4-global-routing-helper.h"

#include "ns3/internet-module.h"

// This is a simple example in order to show how 802.11n MSDU aggregation feature works.

// The throughput is obtained for a given number of aggregated MSDUs.

//

// The number of aggregated MSDUs can be chosen by the user through the nMsdus attibute.

// A value of 1 means that no MSDU aggregation is performed.

//

// Example: ./waf --run "simple-msdu-aggregation --nMsdus=5"

//

// Network topology:

//

//   Wifi 192.168.1.0

//

//        AP

//   *    *

//   |    |

//   n1   n2

//

// Packets in this simulation aren't marked with a QosTag so they are considered

// belonging to BestEffort Access Class (AC_BE).

using namespace ns3;

NS_LOG_COMPONENT_DEFINE ("SimpleMsduAggregation");

int main (int argc, char *argv[])

{

  uint32_t payloadSize = 1472; //bytes

  uint64_t simulationTime = 10; //seconds

  uint32_t nMsdus = 1;

  bool enableRts = 0;

  CommandLine cmd;

  cmd.AddValue("nMsdus", "Number of aggregated MSDUs", nMsdus); //number of aggregated MSDUs specified by the user

  cmd.AddValue("payloadSize", "Payload size in bytes", payloadSize);

  cmd.AddValue("enableRts", "Enable RTS/CTS", enableRts);

  cmd.AddValue("simulationTime", "Simulation time in seconds", simulationTime);

  cmd.Parse (argc, argv);

  if(!enableRts)

    Config::SetDefault ("ns3::WifiRemoteStationManager::RtsCtsThreshold", StringValue ("999999"));

  else

    Config::SetDefault ("ns3::WifiRemoteStationManager::RtsCtsThreshold", StringValue ("0"));

  Config::SetDefault ("ns3::WifiRemoteStationManager::FragmentationThreshold", StringValue ("990000"));

  NodeContainer wifiStaNode;

  wifiStaNode.Create (1);

  NodeContainer wifiApNode;

  wifiApNode.Create(1);

  YansWifiChannelHelper channel = YansWifiChannelHelper::Default ();

  YansWifiPhyHelper phy = YansWifiPhyHelper::Default ();

  phy.SetPcapDataLinkType (YansWifiPhyHelper::DLT_IEEE802_11_RADIO);

  phy.SetChannel (channel.Create());

  WifiHelper wifi = WifiHelper::Default ();

  wifi.SetStandard (WIFI_PHY_STANDARD_80211n_5GHZ);

  wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager", "DataMode", StringValue("OfdmRate65MbpsBW20MHz"), "ControlMode", StringValue("OfdmRate6_5MbpsBW20MHz"));

  HtWifiMacHelper mac = HtWifiMacHelper::Default ();

  Ssid ssid = Ssid ("simple-msdu-aggregation");

  mac.SetType ("ns3::StaWifiMac",

               "Ssid", SsidValue (ssid),

               "ActiveProbing", BooleanValue (false));

  mac.SetMsduAggregatorForAc (AC_BE, "ns3::MsduStandardAggregator", 

                              "MaxAmsduSize", UintegerValue (nMsdus*(payloadSize+100))); //enable MSDU aggregation for AC_BE with a maximum aggregated size of nMsdus*(payloadSize+100) bytes, i.e. nMsdus aggregated packets in an A-MSDU

  NetDeviceContainer staDevice;

  staDevice = wifi.Install (phy, mac, wifiStaNode);

  mac.SetType ("ns3::ApWifiMac",

               "Ssid", SsidValue (ssid));

  mac.SetMsduAggregatorForAc (AC_BE, "ns3::MsduStandardAggregator", 

                              "MaxAmsduSize", UintegerValue (nMsdus*(payloadSize+100))); //enable MSDU aggregation for AC_BE with a maximum aggregated size of nMsdus*(payloadSize+100) bytes, i.e. nMsdus aggregated packets in an A-MSDU

  NetDeviceContainer apDevice;

  apDevice = wifi.Install (phy, mac, wifiApNode);

  /* Setting mobility model */

  MobilityHelper mobility;

  Ptr<ListPositionAllocator> positionAlloc = CreateObject<ListPositionAllocator> ();

  positionAlloc->Add (Vector (0.0, 0.0, 0.0));

  positionAlloc->Add (Vector (1.0, 0.0, 0.0));

  mobility.SetPositionAllocator (positionAlloc);

  mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");

  mobility.Install (wifiApNode);

  mobility.Install (wifiStaNode);

  /* Internet stack*/

  InternetStackHelper stack;

  stack.Install (wifiApNode);

  stack.Install (wifiStaNode);

  Ipv4AddressHelper address;

  address.SetBase ("192.168.1.0", "255.255.255.0");

  Ipv4InterfaceContainer StaInterface;

  StaInterface = address.Assign (staDevice);

  Ipv4InterfaceContainer ApInterface;

  ApInterface = address.Assign (apDevice);

  /* Setting applications */

  UdpServerHelper myServer (9);

  ApplicationContainer serverApp = myServer.Install (wifiStaNode.Get (0));

  serverApp.Start (Seconds (0.0));

  serverApp.Stop (Seconds (simulationTime+1));

  UdpClientHelper myClient (StaInterface.GetAddress (0), 9);

  myClient.SetAttribute ("MaxPackets", UintegerValue (4294967295));

  myClient.SetAttribute ("Interval", TimeValue (Time ("0.00002"))); //packets/s

  myClient.SetAttribute ("PacketSize", UintegerValue (payloadSize));

  ApplicationContainer clientApp = myClient.Install (wifiApNode.Get (0));

  clientApp.Start (Seconds (1.0));

  clientApp.Stop (Seconds (simulationTime+1));

  Simulator::Stop (Seconds (simulationTime+1));

  Simulator::Run ();

  Simulator::Destroy ();

  uint32_t totalPacketsThrough = DynamicCast<UdpServer>(serverApp.Get (0))->GetReceived ();

  double throughput = totalPacketsThrough*payloadSize*8/(simulationTime*1000000.0);

  std::cout << "Throughput: " << throughput << " Mbit/s" << '\n';

    return 0;

}

    obj = bld.create_ns3_program('simple-mpdu-aggregation', ['internet', 'mobility', 'wifi', 'applications'])

    obj.source = 'simple-mpdu-aggregation.cc'