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Lab Task python examples #9

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Lab Task python examples
prateekkembhavi Nov 15, 2017
6a44d39
python code for wifi-aggregation
prateekkembhavi Nov 15, 2017
742b20e
Update wifi-aggregation.py
prateekkembhavi Nov 15, 2017
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87 changes: 87 additions & 0 deletions udp-client-server.py
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import ns.core
import ns.csma
import ns.internet
import ns.applications


def main(argv):
cmd = ns.core.CommandLine ()
cmd.useIpv6 = "False"
cmd.AddValue ("useIpv6", "Use Ipv6")
cmd.Parse (argv)

#
# Explicitly create the nodes required by the topology (shown above).
#
print "Create nodes."
n = ns.network.NodeContainer ()
n.Create (2)

internetstack = ns.internet.InternetStackHelper ()
internetstack.Install (n)

#
# Explicitly create the channels required by the topology (shown above).
#
print "Create channels."
csma = ns.csma.CsmaHelper ()
csma.SetChannelAttribute ("DataRate", ns.core.StringValue ("5000000"))
csma.SetChannelAttribute ("Delay", ns.core.TimeValue (ns.core.MilliSeconds (2)))
csma.SetDeviceAttribute ("Mtu", ns.core.UintegerValue (1400))
d = csma.Install (n)

#
# We've got the "hardware" in place. Now we need to add IP addresses.
#
print "Assign IP Addresses."
if (cmd.useIpv6 == "False"):
ipv4 = ns.internet.Ipv4AddressHelper ()
ipv4.SetBase (ns.network.Ipv4Address ("10.1.1.0"), ns.network.Ipv4Mask ("255.255.255.0"))
i = ipv4.Assign (d)
serverAddress = ns.network.Address (i.GetAddress (1))

else:
ipv6 = ns.internet.Ipv6AddressHelper ()
ipv6.SetBase (ns.network.Ipv6Address ("2001:0000:f00d:cafe::"), ns.network.Ipv6Prefix (64))
i6 = ipv6.Assign (d)
serverAddress = ns.network.Address (i6.GetAddress (1, 1))

#
# Create one udpServer applications on node one.
#
port = 4000;
server = ns.applications.UdpServerHelper (port);
apps = server.Install (n)
apps.Start (ns.core.Seconds (1.0))
apps.Stop (ns.core.Seconds (10.0))

#
# Create one UdpClient application to send UDP datagrams from node zero to node one.
#
MaxPacketSize = 1024
interPacketInterval = ns.core.Seconds (0.05)
maxPacketCount = 320
client = ns.applications.UdpClientHelper (serverAddress, port)
client.SetAttribute ("MaxPackets", ns.core.UintegerValue (maxPacketCount))
client.SetAttribute ("Interval", ns.core.TimeValue (interPacketInterval))
client.SetAttribute ("PacketSize", ns.core.UintegerValue (MaxPacketSize))
apps = client.Install (n)
apps.Start (ns.core.Seconds (2.0))
apps.Stop (ns.core.Seconds (10.0))

asciitracer = ns.network.AsciiTraceHelper ()
csma.EnableAsciiAll (asciitracer.CreateFileStream ("udp-client-server-py.tr"))
csma.EnablePcapAll ("udp-client-server-py", False)

print "Run Simulation."
ns.core.Simulator.Run ()
ns.core.Simulator.Destroy ()
print "Done."

if __name__ == '__main__':
import sys
main (sys.argv)




239 changes: 239 additions & 0 deletions wireless/wifi-aggregation.py
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import ns.core
import ns.network
import ns.applications
import ns.wifi
import ns.mobility
import ns.internet

def main(argv):
payloadSize = 1472
simulationTime = 10
distance = 5
enablePcap = 1


cmd = ns.core.CommandLine ()
cmd.AddValue ("payloadSize", "Payload size in bytes")
cmd.AddValue ("simulationTime", "Simulation time in seconds")
cmd.AddValue ("distance", "Distance in meters between the station and the access point")
cmd.AddValue ("enablePcap", "Enable/disable pcap file generation")
cmd.Parse (sys.argv)



wifiStaNode = ns.network.NodeContainer ()
wifiStaNode.Create (4)
wifiApNode = ns.network.NodeContainer ()
wifiApNode.Create (4)

channel = ns.wifi.YansWifiChannelHelper.Default ()
phy = ns.wifi.YansWifiPhyHelper.Default ()
phy.SetPcapDataLinkType (ns.wifi.YansWifiPhyHelper.DLT_IEEE802_11_RADIO)
phy.SetChannel (channel.Create ())

wifi = ns.wifi.WifiHelper.Default ()
wifi.SetStandard (ns.wifi.WIFI_PHY_STANDARD_80211n_5GHZ)
wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager",
"DataMode", ns.core.StringValue ("HtMcs7"),
"ControlMode", ns.core.StringValue("HtMcs0"))
mac = ns.wifi.HtWifiMacHelper.Default ()

#Ssid ssid;

staDevicesA = ns.network.NetDeviceContainer ()
staDevicesB = ns.network.NetDeviceContainer ()
staDevicesC = ns.network.NetDeviceContainer ()
staDevicesD = ns.network.NetDeviceContainer ()

apDeviceA = ns.network.NetDeviceContainer ()
apDeviceB = ns.network.NetDeviceContainer ()
apDeviceC = ns.network.NetDeviceContainer ()
apDeviceD = ns.network.NetDeviceContainer ()

# Network A
ssid = ns.wifi.Ssid ("network-A")

phy.Set ("ChannelNumber", ns.core.UintegerValue (36))
mac.SetType ("ns3::StaWifiMac","Ssid", ns.wifi.SsidValue (ssid))
staDeviceA = wifi.Install (phy, mac, wifiStaNode.Get(0))
mac.SetType ("ns3::ApWifiMac", "Ssid", ns.wifi.SsidValue (ssid), "BeaconGeneration", ns.core.BooleanValue (True))
apDeviceA = wifi.Install (phy, mac, wifiApNode.Get(0))

# Network B
ssid = ns.wifi.Ssid ("network-B")

phy.Set ("ChannelNumber", ns.core.UintegerValue(40))
mac.SetType ("ns3::StaWifiMac", "Ssid", ns.wifi.SsidValue (ssid), "BE_MaxAmpduSize", ns.core.UintegerValue (0))
staDeviceB = wifi.Install (phy, mac, wifiStaNode.Get(1))
mac.SetType ("ns3::ApWifiMac", "Ssid", ns.wifi.SsidValue (ssid), "BeaconGeneration", ns.core.BooleanValue (True))
apDeviceB = wifi.Install (phy, mac, wifiApNode.Get(1))


# Network C
ssid = ns.wifi.Ssid ("network-C")

phy.Set ("ChannelNumber", ns.core.UintegerValue(44))
mac.SetType ("ns3::StaWifiMac", "Ssid", ns.wifi.SsidValue (ssid), "BE_MaxAmpduSize", ns.core.UintegerValue (0),"BE_MaxAmsduSize", ns.core.UintegerValue (7935))
staDeviceC = wifi.Install (phy, mac, wifiStaNode.Get(2))
mac.SetType ("ns3::ApWifiMac", "Ssid", ns.wifi.SsidValue (ssid), "BeaconGeneration", ns.core.BooleanValue (True))
apDeviceC = wifi.Install (phy, mac, wifiApNode.Get(2))

# Network D

ssid = ns.wifi.Ssid ("network-D")

phy.Set ("ChannelNumber", ns.core.UintegerValue(48))
mac.SetType ("ns3::StaWifiMac", "Ssid", ns.wifi.SsidValue (ssid), "BE_MaxAmpduSize", ns.core.UintegerValue (32768),"BE_MaxAmsduSize", ns.core.UintegerValue (3839))
staDeviceD = wifi.Install (phy, mac, wifiStaNode.Get(3))
mac.SetType ("ns3::ApWifiMac", "Ssid", ns.wifi.SsidValue (ssid), "BeaconGeneration", ns.core.BooleanValue (True))
apDeviceD = wifi.Install (phy, mac, wifiApNode.Get(3))

# /* Setting mobility model */

mobility = ns.mobility.MobilityHelper ()
positionAlloc = ns.mobility.ListPositionAllocator ()
mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel")

# //Set position for APs
positionAlloc.Add (ns.core.Vector3D (0.0, 0.0, 0.0))
positionAlloc.Add (ns.core.Vector3D (10.0, 0.0, 0.0))
positionAlloc.Add (ns.core.Vector3D (20.0, 0.0, 0.0))
positionAlloc.Add (ns.core.Vector3D (30.0, 0.0, 0.0))

# //Set position for STAs

positionAlloc.Add (ns.core.Vector3D (distance, 0.0, 0.0))
positionAlloc.Add (ns.core.Vector3D (10+distance, 0.0, 0.0))
positionAlloc.Add (ns.core.Vector3D (20+distance, 0.0, 0.0))
positionAlloc.Add (ns.core.Vector3D (30+distance, 0.0, 0.0))
# //Remark: while we set these positions 10 meters apart, the networks do not interact
# //and the only variable that affects transmission performance is the distance.


mobility.SetPositionAllocator (positionAlloc)
mobility.Install (wifiApNode)
mobility.Install (wifiStaNode)


# Internet stack
stack = ns.internet.InternetStackHelper ()
stack.Install (wifiApNode)
stack.Install (wifiStaNode)

address = ns.internet.Ipv4AddressHelper ()

address.SetBase (ns.network.Ipv4Address ("192.168.1.0"), ns.network.Ipv4Mask ("255.255.255.0"))
staInterfaceA = address.Assign (staDeviceA)
apInterfaceA = address.Assign (apDeviceA)

address.SetBase (ns.network.Ipv4Address ("192.168.2.0"), ns.network.Ipv4Mask ("255.255.255.0"))
staInterfaceB = address.Assign (staDeviceB)
apInterfaceB = address.Assign (apDeviceB)

address.SetBase (ns.network.Ipv4Address ("192.168.3.0"), ns.network.Ipv4Mask ("255.255.255.0"))
staInterfaceC = address.Assign (staDeviceC)
apInterfaceC = address.Assign (apDeviceC)

address.SetBase (ns.network.Ipv4Address ("192.168.4.0"), ns.network.Ipv4Mask ("255.255.255.0"))
staInterfaceD = address.Assign (staDeviceD)
apInterfaceD = address.Assign (apDeviceD)

# /* Setting applications */

serverAppA = ns.network.ApplicationContainer ()
myServerA = ns.applications.UdpServerHelper (9)
serverAppA = myServerA.Install (ns.network.NodeContainer (wifiStaNode.Get (0)))
serverAppA.Start (ns.core.Seconds (0.0))
serverAppA.Stop (ns.core.Seconds (simulationTime + 1))

myClientA = ns.applications.UdpClientHelper (staInterfaceA.GetAddress (0), 9)
myClientA.SetAttribute ("MaxPackets", ns.core.UintegerValue (4294967295))
myClientA.SetAttribute ("Interval", ns.core.TimeValue (ns.core.Time ("0.00002"))) # packets/s
myClientA.SetAttribute ("PacketSize", ns.core.UintegerValue (payloadSize))

clientAppA = myClientA.Install (ns.network.NodeContainer (wifiApNode.Get (0)))
clientAppA.Start (ns.core.Seconds (1.0))
clientAppA.Stop (ns.core.Seconds (simulationTime + 1))

serverAppB = ns.network.ApplicationContainer ()
myServerB=ns.applications.UdpServerHelper (9)
serverAppB = myServerB.Install (ns.network.NodeContainer (wifiStaNode.Get (1)))
serverAppB.Start (ns.core.Seconds (0.0))
serverAppB.Stop (ns.core.Seconds (simulationTime + 1))

myClientB = ns.applications.UdpClientHelper (staInterfaceB.GetAddress (0), 9)
myClientB.SetAttribute ("MaxPackets", ns.core.UintegerValue (4294967295))
myClientB.SetAttribute ("Interval", ns.core.TimeValue (ns.core.Time ("0.00002"))) # packets/s
myClientB.SetAttribute ("PacketSize", ns.core.UintegerValue (payloadSize))

clientAppB = myClientB.Install (ns.network.NodeContainer (wifiApNode.Get (1)))
clientAppB.Start (ns.core.Seconds (1.0))
clientAppB.Stop (ns.core.Seconds (simulationTime + 1))

serverAppC = ns.network.ApplicationContainer ()
myServerC = ns.applications.UdpServerHelper (9)
serverAppC = myServerC.Install (ns.network.NodeContainer (wifiStaNode.Get (2)))
serverAppC.Start (ns.core.Seconds (0.0))
serverAppC.Stop (ns.core.Seconds (simulationTime + 1))

myClientC = ns.applications.UdpClientHelper (staInterfaceC.GetAddress (0), 9)
myClientC.SetAttribute ("MaxPackets", ns.core.UintegerValue (4294967295))
myClientC.SetAttribute ("Interval", ns.core.TimeValue (ns.core.Time ("0.00002"))) # packets/s
myClientC.SetAttribute ("PacketSize", ns.core.UintegerValue (payloadSize))

clientAppC = myClientC.Install (ns.network.NodeContainer (wifiApNode.Get (2)))
clientAppC.Start (ns.core.Seconds (1.0))
clientAppC.Stop (ns.core.Seconds (simulationTime + 1))

serverAppD = ns.network.ApplicationContainer ()
myServerD = ns.applications.UdpServerHelper (9)
serverAppD = myServerD.Install (ns.network.NodeContainer (wifiStaNode.Get (3)))
serverAppD.Start (ns.core.Seconds (0.0))
serverAppD.Stop (ns.core.Seconds (simulationTime + 1))

myClientD = ns.applications.UdpClientHelper (staInterfaceD.GetAddress (0), 9)
myClientD.SetAttribute ("MaxPackets", ns.core.UintegerValue (4294967295))
myClientD.SetAttribute ("Interval", ns.core.TimeValue (ns.core.Time ("0.00002"))) # packets/s
myClientD.SetAttribute ("PacketSize", ns.core.UintegerValue (payloadSize))

clientAppD = myClientD.Install (ns.network.NodeContainer (wifiApNode.Get (3)))
clientAppD.Start (ns.core.Seconds (1.0))
clientAppD.Stop (ns.core.Seconds (simulationTime + 1))

if (enablePcap):
phy.EnablePcap ("AP_A-py", apDeviceA.Get (0))
phy.EnablePcap ("STA_A-py", staDeviceA.Get (0))
phy.EnablePcap ("AP_B-py", apDeviceB.Get (0))
phy.EnablePcap ("STA_B-py", staDeviceB.Get (0))
phy.EnablePcap ("AP_C-py", apDeviceC.Get (0))
phy.EnablePcap ("STA_C-py", staDeviceC.Get (0))
phy.EnablePcap ("AP_D-py", apDeviceD.Get (0))
phy.EnablePcap ("STA_D-py", staDeviceD.Get (0))

ns.core.Simulator.Stop (ns.core.Seconds (simulationTime + 1))
ns.core.Simulator.Run ()
ns.core.Simulator.Destroy ()

totalPacketsThrough = serverAppA.Get (0).GetReceived ()
throughput = totalPacketsThrough * payloadSize * 8 / (simulationTime * 1000000.0)
print "Throughput with default configuration (A-MPDU aggregation enabled, 65kB): ", throughput,"Mbit/s\n"

totalPacketsThrough = serverAppB.Get (0).GetReceived ()
throughput = totalPacketsThrough * payloadSize * 8 / (simulationTime * 1000000.0)
print "Throughput with aggregation disabled: ", throughput,"Mbit/s\n"

totalPacketsThrough = serverAppC.Get (0).GetReceived ()
throughput = totalPacketsThrough * payloadSize * 8 / (simulationTime * 1000000.0)
print "Throughput with A-MPDU disabled and A-MSDU enabled (8kB): ", throughput,"Mbit/s\n"

totalPacketsThrough = serverAppD.Get (0).GetReceived ()
throughput = totalPacketsThrough * payloadSize * 8 / (simulationTime * 1000000.0)
print "Throughput with A-MPDU enabled (32kB) and A-MSDU enabled (4kB): ", throughput,"Mbit/s\n"

return 0

if __name__ == '__main__':
import sys
sys.exit (main (sys.argv))