150 lines
5.0 KiB
C++
150 lines
5.0 KiB
C++
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2009 MIRKO BANCHI
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Mirko Banchi <mk.banchi@gmail.com>
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*/
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#include "ns3/core-module.h"
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#include "ns3/core-module.h"
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#include "ns3/network-module.h"
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#include "ns3/helper-module.h"
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#include "ns3/wifi-module.h"
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#include "ns3/mobility-module.h"
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#include "ns3/ipv4-global-routing-helper.h"
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//This is a simple example in order to show how 802.11n frame aggregation feature (A-MSDU) works.
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//
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//Network topology:
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//
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// Wifi 192.168.1.0
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//
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// AP
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// * * *
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// | | |
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// n1 n2 n3
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//
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//Packets in this simulation aren't marked with a QosTag so they are considered
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//belonging to BestEffort Access Class (AC_BE).
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using namespace ns3;
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NS_LOG_COMPONENT_DEFINE ("SimpleWifiFrameAggregation");
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int main (int argc, char *argv[])
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{
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//LogComponentEnable ("EdcaTxopN", LOG_LEVEL_DEBUG);
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LogComponentEnable ("MsduAggregator", LOG_LEVEL_INFO);
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LogComponentEnable ("UdpEchoClientApplication", LOG_LEVEL_INFO);
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LogComponentEnable ("UdpEchoServerApplication", LOG_LEVEL_INFO);
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uint32_t nWifi = 1;
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CommandLine cmd;
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cmd.AddValue ("nWifi", "Number of wifi STA devices", nWifi);
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cmd.Parse (argc,argv);
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NodeContainer wifiNodes;
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wifiNodes.Create (2);
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NodeContainer wifiApNode;
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wifiApNode.Create (1);
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YansWifiChannelHelper channel = YansWifiChannelHelper::Default ();
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YansWifiPhyHelper phy = YansWifiPhyHelper::Default ();
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phy.SetChannel (channel.Create ());
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WifiHelper wifi = WifiHelper::Default ();
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QosWifiMacHelper mac = QosWifiMacHelper::Default ();
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wifi.SetRemoteStationManager ("ns3::AarfWifiManager", "FragmentationThreshold", UintegerValue (2500));
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Ssid ssid = Ssid ("ns-3-802.11n");
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mac.SetType ("ns3::StaWifiMac",
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"Ssid", SsidValue (ssid),
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"ActiveProbing", BooleanValue (false));
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mac.SetMsduAggregatorForAc (AC_BE, "ns3::MsduStandardAggregator",
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"MaxAmsduSize", UintegerValue (3839));
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NetDeviceContainer staDevices;
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staDevices = wifi.Install (phy, mac, wifiNodes);
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mac.SetType ("ns3::ApWifiMac",
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"Ssid", SsidValue (ssid));
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mac.SetMsduAggregatorForAc (AC_BE, "ns3::MsduStandardAggregator",
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"MaxAmsduSize", UintegerValue (7935));
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NetDeviceContainer apDevice;
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apDevice = wifi.Install (phy, mac, wifiApNode);
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/* Setting mobility model */
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MobilityHelper mobility;
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mobility.SetPositionAllocator ("ns3::GridPositionAllocator",
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"MinX", DoubleValue (0.0),
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"MinY", DoubleValue (0.0),
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"DeltaX", DoubleValue (5.0),
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"DeltaY", DoubleValue (10.0),
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"GridWidth", UintegerValue (3),
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"LayoutType", StringValue ("RowFirst"));
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mobility.SetMobilityModel ("ns3::RandomWalk2dMobilityModel",
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"Bounds", RectangleValue (Rectangle (-50, 50, -50, 50)));
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mobility.Install (wifiNodes);
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mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel");
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mobility.Install (wifiApNode);
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/* Internet stack*/
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InternetStackHelper stack;
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stack.Install (wifiApNode);
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stack.Install (wifiNodes);
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Ipv4AddressHelper address;
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address.SetBase ("192.168.1.0", "255.255.255.0");
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Ipv4InterfaceContainer wifiNodesInterfaces;
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Ipv4InterfaceContainer apNodeInterface;
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wifiNodesInterfaces = address.Assign (staDevices);
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apNodeInterface = address.Assign (apDevice);
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/* Setting applications */
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UdpEchoServerHelper echoServer (9);
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ApplicationContainer serverApps = echoServer.Install (wifiNodes.Get (1));
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serverApps.Start (Seconds (1.0));
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serverApps.Stop (Seconds (10.0));
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UdpEchoClientHelper echoClient (wifiNodesInterfaces.GetAddress (1), 9);
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echoClient.SetAttribute ("MaxPackets", UintegerValue (3));
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echoClient.SetAttribute ("Interval", TimeValue (Seconds (0.000001)));
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echoClient.SetAttribute ("PacketSize", UintegerValue (1500));
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ApplicationContainer clientApps =
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echoClient.Install (wifiNodes.Get (0));
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clientApps.Start (Seconds (2.0));
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clientApps.Stop (Seconds (10.0));
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Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
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Simulator::Stop (Seconds (10.0));
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phy.EnablePcap ("test-802.11n",
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wifiNodes.Get (nWifi - 1)->GetId (), 0);
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Simulator::Run ();
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Simulator::Destroy ();
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return 0;
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}
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