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A Discrete-Event Network Simulator
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API
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Go to the documentation of this file.
21 #include "ns3/command-line.h"
22 #include "ns3/config.h"
23 #include "ns3/uinteger.h"
24 #include "ns3/boolean.h"
25 #include "ns3/double.h"
26 #include "ns3/string.h"
28 #include "ns3/yans-wifi-helper.h"
30 #include "ns3/mobility-helper.h"
31 #include "ns3/internet-stack-helper.h"
32 #include "ns3/ipv4-address-helper.h"
33 #include "ns3/udp-client-server-helper.h"
34 #include "ns3/yans-wifi-channel.h"
56 int main (
int argc,
char *argv[])
58 uint32_t payloadSize = 1472;
59 double simulationTime = 10;
61 uint32_t maxAmpduSize = 0;
63 double minExpectedThroughput = 0;
64 double maxExpectedThroughput = 0;
67 cmd.AddValue (
"nMpdus",
"Number of aggregated MPDUs", nMpdus);
68 cmd.AddValue (
"payloadSize",
"Payload size in bytes", payloadSize);
69 cmd.AddValue (
"enableRts",
"Enable RTS/CTS", enableRts);
70 cmd.AddValue (
"simulationTime",
"Simulation time in seconds", simulationTime);
71 cmd.AddValue (
"minExpectedThroughput",
"if set, simulation fails if the lowest throughput is below this value", minExpectedThroughput);
72 cmd.AddValue (
"maxExpectedThroughput",
"if set, simulation fails if the highest throughput is above this value", maxExpectedThroughput);
73 cmd.Parse (argc, argv);
85 maxAmpduSize = nMpdus * (payloadSize + 200);
96 channel.AddPropagationLoss (
"ns3::RangePropagationLossModel");
104 wifi.SetRemoteStationManager (
"ns3::ConstantRateWifiManager",
"DataMode",
StringValue (
"HtMcs7"),
"ControlMode",
StringValue (
"HtMcs0"));
108 mac.SetType (
"ns3::StaWifiMac",
114 mac.SetType (
"ns3::ApWifiMac",
130 positionAlloc->
Add (Vector (5.0, 0.0, 0.0));
131 positionAlloc->
Add (Vector (0.0, 0.0, 0.0));
132 positionAlloc->
Add (Vector (10.0, 0.0, 0.0));
133 mobility.SetPositionAllocator (positionAlloc);
135 mobility.SetMobilityModel (
"ns3::ConstantPositionMobilityModel");
146 address.SetBase (
"192.168.1.0",
"255.255.255.0");
150 ApInterface =
address.Assign (apDevice);
160 client.SetAttribute (
"MaxPackets",
UintegerValue (4294967295u));
161 client.SetAttribute (
"Interval",
TimeValue (
Time (
"0.0001")));
162 client.SetAttribute (
"PacketSize",
UintegerValue (payloadSize));
169 phy.EnablePcap (
"SimpleHtHiddenStations_Ap", apDevice.
Get (0));
170 phy.EnablePcap (
"SimpleHtHiddenStations_Sta1",
staDevices.Get (0));
171 phy.EnablePcap (
"SimpleHtHiddenStations_Sta2",
staDevices.Get (1));
180 uint64_t totalPacketsThrough = DynamicCast<UdpServer> (serverApp.
Get (0))->GetReceived ();
184 double throughput = totalPacketsThrough * payloadSize * 8 / (simulationTime * 1000000.0);
185 std::cout <<
"Throughput: " << throughput <<
" Mbit/s" <<
'\n';
186 if (throughput < minExpectedThroughput || (maxExpectedThroughput > 0 && throughput > maxExpectedThroughput))
188 NS_LOG_ERROR (
"Obtained throughput " << throughput <<
" is not in the expected boundaries!");
holds a vector of ns3::NetDevice pointers
@ WIFI_STANDARD_80211n_5GHZ
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Ptr< Application > Get(uint32_t i) const
Get the Ptr<Application> stored in this container at a given index.
static YansWifiChannelHelper Default(void)
Create a channel helper in a default working state.
Create a client application which sends UDP packets carrying a 32bit sequence number and a 64 bit tim...
Make it easy to create and manage PHY objects for the YANS model.
Parse command-line arguments.
void Add(Vector v)
Add a position to the list of positions.
void Set(std::string path, const AttributeValue &value)
AttributeValue implementation for Boolean.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
void Stop(Time stop)
Arrange for all of the Applications in this container to Stop() at the Time given as a parameter.
helps to create WifiNetDevice objects
A helper class to make life easier while doing simple IPv4 address assignment in scripts.
@ DLT_IEEE802_11_RADIO
Include Radiotap link layer information.
This class can be used to hold variables of floating point type such as 'double' or 'float'.
AttributeValue implementation for Ssid.
The IEEE 802.11 SSID Information Element.
Create a server application which waits for input UDP packets and uses the information carried into t...
Smart pointer class similar to boost::intrusive_ptr.
static void Stop(void)
Tell the Simulator the calling event should be the last one executed.
Ptr< OutputStreamWrapper > CreateFileStream(std::string filename, std::ios::openmode filemode=std::ios::out)
Create and initialize an output stream object we'll use to write the traced bits.
holds a vector of std::pair of Ptr<Ipv4> and interface index.
Simulation virtual time values and global simulation resolution.
static void Run(void)
Run the simulation.
Hold variables of type string.
#define NS_LOG_ERROR(msg)
Use NS_LOG to output a message of level LOG_ERROR.
Manage ASCII trace files for device models.
void Start(Time start)
Arrange for all of the Applications in this container to Start() at the Time given as a parameter.
Time Seconds(double value)
Construct a Time in the indicated unit.
static void Destroy(void)
Execute the events scheduled with ScheduleDestroy().
holds a vector of ns3::Application pointers.
AttributeValue implementation for Time.
keep track of a set of node pointers.
Ipv4Address GetAddress(uint32_t i, uint32_t j=0) const
Hold an unsigned integer type.
manage and create wifi channel objects for the YANS model.
create MAC layers for a ns3::WifiNetDevice.
void SetDefault(std::string name, const AttributeValue &value)
aggregate IP/TCP/UDP functionality to existing Nodes.
Ptr< NetDevice > Get(uint32_t i) const
Get the Ptr<NetDevice> stored in this container at a given index.
Helper class used to assign positions and mobility models to nodes.