def testSocket(self):
"""! Test socket
@param self
@return none
"""
node = ns.network.Node()
internet = ns.internet.InternetStackHelper()
internet.Install(node)
self._received_packet = None
def rx_callback(socket):
"""! Receive Callback
@param socket the socket to receive
@return none
"""
assert self._received_packet is None
self._received_packet = socket.Recv(maxSize=UINT32_MAX, flags=0)
sink = ns.network.Socket.CreateSocket(node, ns.core.TypeId.LookupByName("ns3::UdpSocketFactory"))
sink.Bind(ns.network.InetSocketAddress(ns.network.Ipv4Address.GetAny(), 80))
sink.SetRecvCallback(rx_callback)
source = ns.network.Socket.CreateSocket(node, ns.core.TypeId.LookupByName("ns3::UdpSocketFactory"))
source.SendTo(ns.network.Packet(19), 0, ns.network.InetSocketAddress(ns.network.Ipv4Address("127.0.0.1"), 80))
Simulator.Run()
self.assertTrue(self._received_packet is not None)
self.assertEqual(self._received_packet.GetSize(), 19)
def testSocket(self):
node = ns.network.Node()
internet = ns.internet.InternetStackHelper()
internet.Install(node)
self._received_packet = None
def rx_callback(socket):
assert self._received_packet is None
self._received_packet = socket.Recv()
sink = ns.network.Socket.CreateSocket(
node, ns.core.TypeId.LookupByName("ns3::UdpSocketFactory"))
sink.Bind(
ns.network.InetSocketAddress(ns.network.Ipv4Address.GetAny(), 80))
sink.SetRecvCallback(rx_callback)
source = ns.network.Socket.CreateSocket(
node, ns.core.TypeId.LookupByName("ns3::UdpSocketFactory"))
source.SendTo(
ns.network.Packet(19), 0,
ns.network.InetSocketAddress(ns.network.Ipv4Address("127.0.0.1"),
80))
Simulator.Run()
self.assert_(self._received_packet is not None)
self.assertEqual(self._received_packet.GetSize(), 19)
def main(argv):
cmd = ns.core.CommandLine()
cmd.Parse(argv)
ns.core.GlobalValue.Bind("SimulatorImplementationType", ns.core.StringValue("ns3::RealtimeSimulatorImpl"))
print "Create nodes."
n = ns.network.NodeContainer()
n.Create(4)
internet = ns.internet.InternetStackHelper()
internet.Install(n)
print ("Create channels.")
csma = ns.csma.CsmaHelper()
csma.SetChannelAttribute("DataRate", ns.network.DataRateValue(ns.network.DataRate(5000000)))
csma.SetChannelAttribute("Delay", ns.core.TimeValue(ns.core.MilliSeconds(2)));
csma.SetDeviceAttribute("Mtu", ns.core.UintegerValue(1400))
d = csma.Install(n)
print ("Assign IP Addresses.")
ipv4 = ns.internet.Ipv4AddressHelper()
ipv4.SetBase(ns.network.Ipv4Address("10.1.1.0"), ns.network.Ipv4Mask("255.255.255.0"))
i = ipv4.Assign(d)
print ("Create Applications.")
port = 9
server = ns.applications.UdpEchoServerHelper(port)
apps = server.Install(n.Get(1))
apps.Start(ns.core.Seconds(1.0))
apps.Stop(ns.core.Seconds(10.0))
packetSize = 1024
maxPacketCount = 500
interPacketInterval = ns.core.Seconds(0.01)
client = ns.applications.UdpEchoClientHelper(i.GetAddress (1), port)
client.SetAttribute("MaxPackets", ns.core.UintegerValue(maxPacketCount))
client.SetAttribute("Interval", ns.core.TimeValue(interPacketInterval))
client.SetAttribute("PacketSize", ns.core.UintegerValue(packetSize))
apps = client.Install(n.Get(0))
apps.Start(ns.core.Seconds(2.0))
apps.Stop(ns.core.Seconds(10.0))
ascii = ns.network.AsciiTraceHelper()
csma.EnableAsciiAll(ascii.CreateFileStream("realtime-udp-echo.tr"))
csma.EnablePcapAll("realtime-udp-echo", False)
print ("Run Simulation.")
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
print ("Done.")
def main(argv):
sfqLinkDataRate = "1.5Mbps"
sfqLinkDelay = "20ms"
pathOut = "."
writeForPlot = ""
writePcap = ""
flowMonitor = ""
printSfqStats = True
global_start_time = 0.0
sink_start_time = global_start_time
client_start_time = global_start_time + 1.5
global_stop_time = 7.0
sink_stop_time = global_stop_time + 3.0
client_stop_time = global_stop_time - 2.0
pathOut = "." # Current directory
cmd = ns.core.CommandLine()
cmd.AddValue(
"pathOut",
"Path to save results from --writeForPlot/--writePcap/--writeFlowMonitor",
pathOut)
cmd.AddValue("writeForPlot", "<0/1> to write results for plot (gnuplot)",
writeForPlot)
cmd.AddValue("writePcap", "<0/1> to write results in pcapfile", writePcap)
cmd.AddValue("writeFlowMonitor",
"<0/1> to enable Flow Monitor and write their results",
flowMonitor)
cmd.Parse(sys.argv)
print("Create nodes")
c = ns.network.NodeContainer()
c.Create(6)
ns.core.Names.Add("N0", c.Get(0))
ns.core.Names.Add("N1", c.Get(1))
ns.core.Names.Add("N2", c.Get(2))
ns.core.Names.Add("N3", c.Get(3))
ns.core.Names.Add("N4", c.Get(4))
ns.core.Names.Add("N5", c.Get(5))
n0n2 = ns.network.NodeContainer(ns.network.NodeContainer(c.Get(0)),
ns.network.NodeContainer(c.Get(2)))
n1n2 = ns.network.NodeContainer(ns.network.NodeContainer(c.Get(1)),
ns.network.NodeContainer(c.Get(2)))
n2n3 = ns.network.NodeContainer(ns.network.NodeContainer(c.Get(2)),
ns.network.NodeContainer(c.Get(3)))
n3n4 = ns.network.NodeContainer(ns.network.NodeContainer(c.Get(3)),
ns.network.NodeContainer(c.Get(4)))
n3n5 = ns.network.NodeContainer(ns.network.NodeContainer(c.Get(3)),
ns.network.NodeContainer(c.Get(5)))
ns.core.Config.SetDefault("ns3::TcpL4Protocol::SocketType",
ns.core.StringValue("ns3::TcpNewReno"))
ns.core.Config.SetDefault("ns3::TcpSocket::SegmentSize",
ns.core.UintegerValue(1000 - 42))
ns.core.Config.SetDefault("ns3::TcpSocket::DelAckCount",
ns.core.UintegerValue(1))
ns.core.GlobalValue.Bind("ChecksumEnabled", ns.core.BooleanValue(False))
print("Set SFQ params")
ns.core.Config.SetDefault("ns3::SfqQueueDisc::Interval",
ns.core.StringValue("100ms"))
ns.core.Config.SetDefault("ns3::SfqQueueDisc::Target",
ns.core.StringValue("5ms"))
ns.core.Config.SetDefault("ns3::SfqQueueDisc::PacketLimit",
ns.core.UintegerValue(10 * 1024))
ns.core.Config.SetDefault("ns3::SfqQueueDisc::Flows",
ns.core.UintegerValue(1024))
ns.core.Config.SetDefault("ns3::SfqQueueDisc::DropBatchSize",
ns.core.UintegerValue(64))
print("Install internet stack on all nodes.")
internet = ns.internet.InternetStackHelper()
internet.Install(c)
tchPfifo = ns.traffic_control.TrafficControlHelper()
handle = tchPfifo.SetRootQueueDisc("ns3::PfifoFastQueueDisc")
tchPfifo.AddInternalQueues(handle, 3, "ns3::DropTailQueue", "MaxPackets",
UintegerValue(10 * 1024))
tchSfq = ns.traffic_control.TrafficControlHelper()
tchSfq.SetRootQueueDisc("ns3::SfqQueueDisc")
tchSfq.AddPacketFilter(handle, "ns3::SfqIpv4PacketFilter")
tchSfq.AddPacketFilter(handle, "ns3::SfqIpv6PacketFilter")
print("Create channels")
p2p = ns.point_to_point.PointToPointHelper()
devn0n2 = ns.network.NetDeviceContainer()
devn1n2 = ns.network.NetDeviceContainer()
devn2n3 = ns.network.NetDeviceContainer()
devn3n4ns.network.NetDeviceContainer()
devn3n5ns.network.NetDeviceContainer()
queueDiscs = ns.traffic_control.QueueDiscContainer()
p2p.SetQueue("ns3::DropTailQueue")
p2p.SetDeviceAttribute("DataRate", ns.core.StringValue("10Mbps"))
p2p.SetChannelAttribute("Delay", ns.core.StringValue("2ms"))
devn0n2 = p2p.Install(n0n2)
tchPfifo.Install(devn0n2)
p2p.SetQueue("ns3::DropTailQueue")
p2p.SetDeviceAttribute("DataRate", ns.core.StringValue("10Mbps"))
p2p.SetChannelAttribute("Delay", ns.core.StringValue("3ms"))
devn1n2 = p2p.Install(n1n2)
tchPfifo.Install(devn1n2)
p2p.SetQueue("ns3::DropTailQueue")
p2p.SetDeviceAttribute("DataRate", ns.core.StringValue(sfqLinkDataRate))
p2p.SetChannelAttribute("Delay", ns.core.StringValue(sfqLinkDelay))
devn2n3 = p2p.Install(n2n3)
queueDiscs = tchSfq.Install(devn2n3)
p2p.SetQueue("ns3::DropTailQueue")
p2p.SetDeviceAttribute("DataRate", ns.core.StringValue("10Mbps"))
p2p.SetChannelAttribute("Delay", ns.core.StringValue("4ms"))
devn3n4 = p2p.Install(n3n4)
tchPfifo.Install(devn3n4)
p2p.SetQueue("ns3::DropTailQueue")
p2p.SetDeviceAttribute("DataRate", ns.core.StringValue("10Mbps"))
p2p.SetChannelAttribute("Delay", ns.core.StringValue("5ms"))
devn3n5 = p2p.Install(n3n5)
tchPfifo.Install(devn3n5)
print("Assign IP Addresses")
ipv4 = ns.internet.Ipv4AddressHelper()
ipv4.SetBase(ns.network.Ipv4Address("10.1.1.0"),
ns.network.Ipv4Mask("255.255.255.0"))
i0i2 = ipv4.Assign(devn0n2)
ipv4.SetBase(ns.network.Ipv4Address("10.1.2.0"),
ns.network.Ipv4Mask("255.255.255.0"))
i1i2 = ipv4.Assign(devn1n2)
ipv4.SetBase(ns.network.Ipv4Address("10.1.3.0"),
ns.network.Ipv4Mask("255.255.255.0"))
i2i3 = ipv4.Assign(devn2n3)
ipv4.SetBase(ns.network.Ipv4Address("10.1.4.0"),
ns.network.Ipv4Mask("255.255.255.0"))
i3i4 = ipv4.Assign(devn3n4)
ipv4.SetBase(ns.network.Ipv4Address("10.1.5.0"),
ns.network.Ipv4Mask("255.255.255.0"))
i3i5 = ipv4.Assign(devn3n5)
ns.internet.Ipv4GlobalRoutingHelper.PopulateRoutingTables()
BuildAppsTest()
if (writePcap):
ptp = ns.point_to_point.PointToPointHelper()
print pathOut + "/sfq"
ptp.EnablePcapAll(c_str())
if (flowMonitor):
flowmonHelper = ns.flow_monitor.FlowMonitorHelper
flowmon = flowmonHelper.InstallAll()
if (writeForPlot):
print pathOut + "/sfq-queue-disc.plotme"
print pathOut + "/sfq-queue-disc_avg.plotme"
queue = queueDiscs.Get(0)
ns.core.Simulator.Stop(ns.core.Seconds(sink_stop_time))
ns.core.Simulator.Run()
st = ns.traffic_control.QueueDisc.Stats()
st = queueDiscs.Get(0).GetStats()
if (flowMonitor):
stmp = pathOut + "/pie.flowmon"
flowmon.SerializeToXmlFile(stmp.c_str(), False, False)
ns.core.Simulator.Destroy()
def main(argv):
cmd = ns.core.CommandLine()
cmd.NumNodesSide = None
cmd.AddValue(
"NumNodesSide",
"Grid side number of nodes (total number of nodes will be this number squared)"
)
cmd.Results = None
cmd.AddValue("Results", "Write XML results to file")
cmd.Plot = None
cmd.AddValue("Plot", "Plot the results using the matplotlib python module")
cmd.Parse(argv)
wifi = ns.wifi.WifiHelper.Default()
wifiMac = ns.wifi.NqosWifiMacHelper.Default()
wifiPhy = ns.wifi.YansWifiPhyHelper.Default()
wifiChannel = ns.wifi.YansWifiChannelHelper.Default()
wifiPhy.SetChannel(wifiChannel.Create())
ssid = ns.wifi.Ssid("wifi-default")
wifi.SetRemoteStationManager("ns3::ArfWifiManager")
wifiMac.SetType("ns3::AdhocWifiMac", "Ssid", ns.wifi.SsidValue(ssid))
internet = ns.internet.InternetStackHelper()
list_routing = ns.internet.Ipv4ListRoutingHelper()
olsr_routing = ns.olsr.OlsrHelper()
static_routing = ns.internet.Ipv4StaticRoutingHelper()
list_routing.Add(static_routing, 0)
list_routing.Add(olsr_routing, 100)
internet.SetRoutingHelper(list_routing)
ipv4Addresses = ns.internet.Ipv4AddressHelper()
ipv4Addresses.SetBase(ns.network.Ipv4Address("10.0.0.0"),
ns.network.Ipv4Mask("255.255.255.0"))
port = 9 # Discard port(RFC 863)
onOffHelper = ns.applications.OnOffHelper(
"ns3::UdpSocketFactory",
ns.network.Address(
ns.network.InetSocketAddress(ns.network.Ipv4Address("10.0.0.1"),
port)))
onOffHelper.SetAttribute(
"DataRate", ns.network.DataRateValue(ns.network.DataRate("100kbps")))
onOffHelper.SetAttribute(
"OnTime",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=1]"))
onOffHelper.SetAttribute(
"OffTime",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=0]"))
addresses = []
nodes = []
if cmd.NumNodesSide is None:
num_nodes_side = NUM_NODES_SIDE
else:
num_nodes_side = int(cmd.NumNodesSide)
for xi in range(num_nodes_side):
for yi in range(num_nodes_side):
node = ns.network.Node()
nodes.append(node)
internet.Install(ns.network.NodeContainer(node))
mobility = ns.mobility.ConstantPositionMobilityModel()
mobility.SetPosition(
ns.core.Vector(xi * DISTANCE, yi * DISTANCE, 0))
node.AggregateObject(mobility)
devices = wifi.Install(wifiPhy, wifiMac, node)
ipv4_interfaces = ipv4Addresses.Assign(devices)
addresses.append(ipv4_interfaces.GetAddress(0))
for i, node in enumerate(nodes):
destaddr = addresses[(len(addresses) - 1 - i) % len(addresses)]
#print i, destaddr
onOffHelper.SetAttribute(
"Remote",
ns.network.AddressValue(
ns.network.InetSocketAddress(destaddr, port)))
app = onOffHelper.Install(ns.network.NodeContainer(node))
urv = ns.core.UniformRandomVariable()
app.Start(ns.core.Seconds(urv.GetValue(20, 30)))
#internet.EnablePcapAll("wifi-olsr")
flowmon_helper = ns.flow_monitor.FlowMonitorHelper()
#flowmon_helper.SetMonitorAttribute("StartTime", ns.core.TimeValue(ns.core.Seconds(31)))
monitor = flowmon_helper.InstallAll()
monitor = flowmon_helper.GetMonitor()
monitor.SetAttribute("DelayBinWidth", ns.core.DoubleValue(0.001))
monitor.SetAttribute("JitterBinWidth", ns.core.DoubleValue(0.001))
monitor.SetAttribute("PacketSizeBinWidth", ns.core.DoubleValue(20))
ns.core.Simulator.Stop(ns.core.Seconds(44.0))
ns.core.Simulator.Run()
def print_stats(os, st):
print >> os, " Tx Bytes: ", st.txBytes
print >> os, " Rx Bytes: ", st.rxBytes
print >> os, " Tx Packets: ", st.txPackets
print >> os, " Rx Packets: ", st.rxPackets
print >> os, " Lost Packets: ", st.lostPackets
if st.rxPackets > 0:
print >> os, " Mean{Delay}: ", (st.delaySum.GetSeconds() /
st.rxPackets)
print >> os, " Mean{Jitter}: ", (st.jitterSum.GetSeconds() /
(st.rxPackets - 1))
print >> os, " Mean{Hop Count}: ", float(
st.timesForwarded) / st.rxPackets + 1
if 0:
print >> os, "Delay Histogram"
for i in range(st.delayHistogram.GetNBins()):
print >> os, " ",i,"(", st.delayHistogram.GetBinStart (i), "-", \
st.delayHistogram.GetBinEnd (i), "): ", st.delayHistogram.GetBinCount (i)
print >> os, "Jitter Histogram"
for i in range(st.jitterHistogram.GetNBins()):
print >> os, " ",i,"(", st.jitterHistogram.GetBinStart (i), "-", \
st.jitterHistogram.GetBinEnd (i), "): ", st.jitterHistogram.GetBinCount (i)
print >> os, "PacketSize Histogram"
for i in range(st.packetSizeHistogram.GetNBins()):
print >> os, " ",i,"(", st.packetSizeHistogram.GetBinStart (i), "-", \
st.packetSizeHistogram.GetBinEnd (i), "): ", st.packetSizeHistogram.GetBinCount (i)
for reason, drops in enumerate(st.packetsDropped):
print " Packets dropped by reason %i: %i" % (reason, drops)
#for reason, drops in enumerate(st.bytesDropped):
# print "Bytes dropped by reason %i: %i" % (reason, drops)
monitor.CheckForLostPackets()
classifier = flowmon_helper.GetClassifier()
if cmd.Results is None:
for flow_id, flow_stats in monitor.GetFlowStats():
t = classifier.FindFlow(flow_id)
proto = {6: 'TCP', 17: 'UDP'}[t.protocol]
print "FlowID: %i (%s %s/%s --> %s/%i)" % \
(flow_id, proto, t.sourceAddress, t.sourcePort, t.destinationAddress, t.destinationPort)
print_stats(sys.stdout, flow_stats)
else:
print monitor.SerializeToXmlFile(cmd.Results, True, True)
if cmd.Plot is not None:
import pylab
delays = []
for flow_id, flow_stats in monitor.GetFlowStats():
tupl = classifier.FindFlow(flow_id)
if tupl.protocol == 17 and tupl.sourcePort == 698:
continue
delays.append(flow_stats.delaySum.GetSeconds() /
flow_stats.rxPackets)
pylab.hist(delays, 20)
pylab.xlabel("Delay (s)")
pylab.ylabel("Number of Flows")
pylab.show()
return 0
def main(argv):
ns.core.LogComponentEnable("PieQueueDisc", ns.core.LOG_LEVEL_INFO)
pieLinkDataRate = "1.5Mbps"
pieLinkDelay = "20ms"
n0n2 = ns.network.NodeContainer()
n1n2 = ns.network.NodeContainer()
n2n3 = ns.network.NodeContainer()
n3n4 = ns.network.NodeContainer()
n3n5 = ns.network.NodeContainer()
i0i2 = ns.internet.Ipv4InterfaceContainer()
i1i2 = ns.internet.Ipv4InterfaceContainer()
i2i3 = ns.internet.Ipv4InterfaceContainer()
i3i4 = ns.internet.Ipv4InterfaceContainer()
i3i5 = ns.internet.Ipv4InterfaceContainer()
writeForPlot = 0
writePcap = 0
flowMonitor = 0
printPieStats = 1
global_start_time = 0.0
sink_start_time = global_start_time
client_start_time = global_start_time + 1.5
global_stop_time = 7.0
sink_stop_time = global_stop_time + 3.0
client_stop_time = global_stop_time - 2.0
checkTimes = 0
# Configuration and command line parameter parsing
# Will only save in the directory if enable opts below
pathOut = "." # Current directory
cmd = ns.core.CommandLine()
cmd.isMinstrelPie = 0
cmd.AddValue(
"pathOut",
"Path to save results from --writeForPlot/--writePcap/--writeFlowMonitor"
)
cmd.AddValue("writeForPlot", "<0/1> to write results for plot (gnuplot)")
cmd.AddValue("writePcap", "<0/1> to write results in pcapfile")
cmd.AddValue("writeFlowMonitor",
"<0/1> to enable Flow Monitor and write their results")
cmd.AddValue(
"isMinstrelPie",
"<0/1> to enable/disable Minstrel PIE",
)
cmd.Parse(sys.argv)
isMinstrelPie = int(cmd.isMinstrelPie)
print "Create nodes"
c = ns.network.NodeContainer()
c.Create(6)
ns.core.Names.Add("N0", c.Get(0))
ns.core.Names.Add("N1", c.Get(1))
ns.core.Names.Add("N2", c.Get(2))
ns.core.Names.Add("N3", c.Get(3))
ns.core.Names.Add("N4", c.Get(4))
ns.core.Names.Add("N5", c.Get(5))
n0n2 = ns.network.NodeContainer(ns.network.NodeContainer(c.Get(0)),
ns.network.NodeContainer(c.Get(2)))
n1n2 = ns.network.NodeContainer(ns.network.NodeContainer(c.Get(1)),
ns.network.NodeContainer(c.Get(2)))
n2n3 = ns.network.NodeContainer(ns.network.NodeContainer(c.Get(2)),
ns.network.NodeContainer(c.Get(3)))
n3n4 = ns.network.NodeContainer(ns.network.NodeContainer(c.Get(3)),
ns.network.NodeContainer(c.Get(4)))
n3n5 = ns.network.NodeContainer(ns.network.NodeContainer(c.Get(3)),
ns.network.NodeContainer(c.Get(5)))
ns.core.Config.SetDefault("ns3::TcpL4Protocol::SocketType",
ns.core.StringValue("ns3::TcpNewReno"))
# 42 = headers size
ns.core.Config.SetDefault("ns3::TcpSocket::SegmentSize",
ns.core.UintegerValue(1000 - 42))
ns.core.Config.SetDefault("ns3::TcpSocket::DelAckCount",
ns.core.UintegerValue(1))
ns.core.GlobalValue.Bind("ChecksumEnabled", ns.core.BooleanValue(0))
meanPktSize = 1000
# PIE params
print "Set PIE params"
ns.core.Config.SetDefault("ns3::PieQueueDisc::Mode",
ns.core.StringValue("QUEUE_DISC_MODE_PACKETS"))
ns.core.Config.SetDefault("ns3::PieQueueDisc::MeanPktSize",
ns.core.UintegerValue(meanPktSize))
ns.core.Config.SetDefault("ns3::PieQueueDisc::DequeueThreshold",
ns.core.UintegerValue(10000))
ns.core.Config.SetDefault("ns3::PieQueueDisc::QueueDelayReference",
ns.core.TimeValue(ns.core.Seconds(0.02)))
ns.core.Config.SetDefault("ns3::PieQueueDisc::MaxBurstAllowance",
ns.core.TimeValue(ns.core.Seconds(0.1)))
ns.core.Config.SetDefault("ns3::PieQueueDisc::QueueLimit",
ns.core.UintegerValue(100))
ns.core.Config.SetDefault("ns3::PieQueueDisc::MinstrelPIE",
ns.core.BooleanValue(isMinstrelPie))
print "Install internet stack on all nodes."
internet = ns.internet.InternetStackHelper()
internet.Install(c)
tchPfifo = ns.traffic_control.TrafficControlHelper()
handle = tchPfifo.SetRootQueueDisc("ns3::PfifoFastQueueDisc")
tchPfifo.AddInternalQueues(handle, 3, "ns3::DropTailQueue", "MaxPackets",
ns.core.UintegerValue(1000))
tchPie = ns.traffic_control.TrafficControlHelper()
tchPie.SetRootQueueDisc("ns3::PieQueueDisc")
print "Create channels"
p2p = ns.point_to_point.PointToPointHelper()
devn0n2 = ns.network.NetDeviceContainer()
devn1n2 = ns.network.NetDeviceContainer()
devn2n3 = ns.network.NetDeviceContainer()
devn3n4 = ns.network.NetDeviceContainer()
devn3n5 = ns.network.NetDeviceContainer()
queueDiscs = ns.traffic_control.QueueDiscContainer()
p2p.SetQueue("ns3::DropTailQueue")
p2p.SetDeviceAttribute("DataRate", ns.core.StringValue("10Mbps"))
p2p.SetChannelAttribute("Delay", ns.core.StringValue("2ms"))
devn0n2 = p2p.Install(n0n2)
tchPfifo.Install(devn0n2)
p2p.SetQueue("ns3::DropTailQueue")
p2p.SetDeviceAttribute("DataRate", ns.core.StringValue("10Mbps"))
p2p.SetChannelAttribute("Delay", ns.core.StringValue("3ms"))
devn1n2 = p2p.Install(n1n2)
tchPfifo.Install(devn1n2)
p2p.SetQueue("ns3::DropTailQueue")
p2p.SetDeviceAttribute("DataRate", ns.core.StringValue(pieLinkDataRate))
p2p.SetChannelAttribute("Delay", ns.core.StringValue(pieLinkDelay))
devn2n3 = p2p.Install(n2n3)
## only backbone link has PIE queue disc
queueDiscs = tchPie.Install(devn2n3)
p2p.SetQueue("ns3::DropTailQueue")
p2p.SetDeviceAttribute("DataRate", ns.core.StringValue("10Mbps"))
p2p.SetChannelAttribute("Delay", ns.core.StringValue("4ms"))
devn3n4 = p2p.Install(n3n4)
tchPfifo.Install(devn3n4)
p2p.SetQueue("ns3::DropTailQueue")
p2p.SetDeviceAttribute("DataRate", ns.core.StringValue("10Mbps"))
p2p.SetChannelAttribute("Delay", ns.core.StringValue("5ms"))
devn3n5 = p2p.Install(n3n5)
tchPfifo.Install(devn3n5)
print "Assign IP Addressess"
ipv4 = ns.internet.Ipv4AddressHelper()
ipv4.SetBase(ns.network.Ipv4Address("10.1.1.0"),
ns.network.Ipv4Mask("255.255.255.0"))
i0i2 = ipv4.Assign(devn0n2)
ipv4.SetBase(ns.network.Ipv4Address("10.1.2.0"),
ns.network.Ipv4Mask("255.255.255.0"))
i1i2 = ipv4.Assign(devn1n2)
ipv4.SetBase(ns.network.Ipv4Address("10.1.3.0"),
ns.network.Ipv4Mask("255.255.255.0"))
i2i3 = ipv4.Assign(devn2n3)
ipv4.SetBase(ns.network.Ipv4Address("10.1.4.0"),
ns.network.Ipv4Mask("255.255.255.0"))
i3i4 = ipv4.Assign(devn3n4)
ipv4.SetBase(ns.network.Ipv4Address("10.1.5.0"),
ns.network.Ipv4Mask("255.255.255.0"))
i3i5 = ipv4.Assign(devn3n5)
#set up the routing
ns.internet.Ipv4GlobalRoutingHelper.PopulateRoutingTables()
def BuildAppsTest():
#SINK is in the right side
port = 50000
address = ns.network.InetSocketAddress(ns.network.Ipv4Address.GetAny(),
port)
sinkHelper = ns.applications.PacketSinkHelper("ns3::TcpSocketFactory",
address)
sinkApp = ns.network.ApplicationContainer()
sinkApp = sinkHelper.Install(n3n4.Get(1))
sinkApp.Start(ns.core.Seconds(sink_start_time))
sinkApp.Stop(ns.core.Seconds(sink_stop_time))
#Connection 1
# Clients are in left side
# Create the OnOff applications to send TCP to the server
# onoffhelper is a client that send data to TCP destination
clientHelper1 = ns.applications.OnOffHelper("ns3::TcpSocketFactory",
ns.network.Address())
clientHelper1.SetAttribute(
"OnTime",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=1]"))
clientHelper1.SetAttribute(
"OffTime",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=0]"))
clientHelper1.SetAttribute("PacketSize", ns.core.UintegerValue(1000))
clientHelper1.SetAttribute(
"DataRate",
ns.network.DataRateValue(ns.network.DataRate("10Mb/s")))
#Connection 2
clientHelper2 = ns.applications.OnOffHelper("ns3::TcpSocketFactory",
ns.network.Address())
clientHelper2.SetAttribute(
"OnTime",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=1]"))
clientHelper2.SetAttribute(
"OffTime",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=0]"))
clientHelper2.SetAttribute("PacketSize", ns.core.UintegerValue(1000))
clientHelper2.SetAttribute(
"DataRate",
ns.network.DataRateValue(ns.network.DataRate("10Mb/s")))
clientApps1 = ns.network.ApplicationContainer()
remoteAddress = ns.network.AddressValue()
remoteAddress = ns.network.AddressValue(
ns.network.InetSocketAddress(i3i4.GetAddress(1), port))
clientHelper1.SetAttribute("Remote", remoteAddress)
clientApps1.Add(clientHelper1.Install(n0n2.Get(0)))
clientApps1.Start(ns.core.Seconds(client_start_time))
clientApps1.Stop(ns.core.Seconds(client_stop_time))
clientApps2 = ns.network.ApplicationContainer()
remoteAddress = ns.network.AddressValue(
ns.network.InetSocketAddress(i3i4.GetAddress(1), port))
clientHelper2.SetAttribute("Remote", remoteAddress)
clientApps2.Add(clientHelper2.Install(n1n2.Get(0)))
clientApps2.Start(ns.core.Seconds(client_start_time))
clientApps2.Stop(ns.core.Seconds(client_stop_time))
BuildAppsTest()
if writePcap:
ptp = ns.point_to_point.PointToPointHelper()
print pathOut + "/pie"
ptp.EnablePcapAll(c_str())
if flowMonitor:
flowmonHelper = ns.flow_monitor.FlowMonitorHelper
flowmon = flowmonHelper.InstallAll()
if writeForPlot:
print pathOut + "/pie-queue-disc.plotme"
print pathOut + "/pie-queue-disc_avg.plotme"
queue = queueDiscs.Get(0)
ns.core.Simulator.ScheduleNow(CheckQueueDiscSize, queue)
ns.core.Simulator.Stop(ns.core.Seconds(sink_stop_time))
ns.core.Simulator.Run()
def CheckQueueDiscSize(queue):
qSize = queue.GetQueueSize()
avgQueueDiscSize = avgQueueDiscSize + qSize
checkTimes = checkTimes + 1
#check queue disc size every 1/100 of a second
ns.core.Simulator.Schedule(ns.core.Seconds(0.01), ChecckQueueDiscSize,
queue)
print ns.core.Simulator.Now().GetSeconds() + " " + str(qsize) + "\n"
print ns.core.Simulator.Now().GetSeconds() + " " + str(
avgQueueDiscSize / checkTimes) + "\n"
st = queueDiscs.Get(0).GetStats()
if st.GetNDroppedPackets(ns.traffic_control.PieQueueDisc.FORCED_DROP) != 0:
print "There should be no drops due to queue full\n"
exit(1)
if flowMonitor:
stmp = pathOut + "/pie.flowmon"
flowmon.SerializeToXmlFile(stmp.c_str(), 0, 0)
if printPieStats:
print "*** PIE stats from Node 2 queue ***"
print "\t" + str(
st.GetNDroppedPackets(ns.traffic_control.PieQueueDisc.UNFORCED_DROP
)) + " drops due to prob mark" + "\n"
print "\t" + str(
st.GetNDroppedPackets(ns.traffic_control.PieQueueDisc.FORCED_DROP)
) + " drops due to queue limits" + "\n"
ns.core.Simulator.Destroy()
mac = ns3.NqosWifiMacHelper.Default()
mac.SetType("ns3::AdhocWifiMac")
wifiHelper.SetRemoteStationManager(
"ns3::ConstantRateWifiManager",
"DataMode", ns3.StringValue("DsssRate1Mbps"),
"ControlMode", ns3.StringValue("DsssRate1Mbps"))
devices = wifiHelper.Install(wifiPhy,mac,nodes)
olsr = ns3.OlsrHelper()
#Add the IPv4 protocol stack to the nodes in our container
internet=ns3.InternetStackHelper()
internet.SetRoutingHelper (olsr)
internet.Install (nodes)
ipAddrss= ns3.Ipv4AddressHelper()
ipAddrss.SetBase(
ns3.Ipv4Address("192.168.0.0"),
ns3.Ipv4Mask("255.255.255.0"));
ipContainer = ipAddrss.Assign(devices);
mobility = ns3.MobilityHelper()
positionAlloc = ns3.ListPositionAllocator()
positionAlloc.Add(ns3.Vector (100,100,0.0))
positionAlloc.Add(ns3.Vector (100,200,0.0))
mobility.SetPositionAllocator(positionAlloc)
mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel");
mobility.Install(nodes)
csma.SetChannelAttribute ("DataRate", ns.network.DataRateValue(ns.network.DataRate(100000000)))
csma.SetChannelAttribute ("Delay", ns.core.TimeValue (ns.core.MicroSeconds (200)))
nodes = ns.network.NodeContainer()
nodes.Create(cmd.MaxNodes)
ethInterfaces = ns.network.NetDeviceContainer(csma.Install(nodes))
internet = ns.internet.InternetStackHelper ()
internet.SetTcp ("ns3::NscTcpL4Protocol","Library",ns.core.StringValue("liblinux2.6.26.so"))
'''
this switches nodes 0 and 1 to NSCs Linux 2.6.26 stack.
'''
internet.Install (nodes.Get (0));
internet.Install (nodes.Get (1));
'''
this disables TCP SACK, wscale and timestamps on node 1 (the attributes represent sysctl-values)
'''
ns.core.Config.Set("/NodeList/1/$ns3::Ns3NscStack<linux2.6.26>/net.ipv4.tcp_sack",ns.core.StringValue("0"))
ns.core.Config.Set("/NodeList/1/$ns3::Ns3NscStack<linux2.6.26>/net.ipv4.tcp_timestamps",ns.core.StringValue("0"))
ns.core.Config.Set("/NodeList/1/$ns3::Ns3NscStack<linux2.6.26>/net.ipv4.tcp_window_scaling",ns.core.StringValue("0"))
if MaxNodes > 2 :
internet.Install(nodes.Get(2))
if MaxNodes > 3 :
'''
def main(argv):
#
# Allow the user to override any of the defaults and the above Bind() at
# run-time, via command-line arguments
#
cmd = ns.core.CommandLine()
cmd.Parse(argv)
#
# But since this is a realtime script, don't allow the user to mess with
# that.
#
ns.core.GlobalValue.Bind("SimulatorImplementationType",
ns.core.StringValue("ns3::RealtimeSimulatorImpl"))
#
# Explicitly create the nodes required by the topology (shown above).
#
print "Create nodes."
n = ns.network.NodeContainer()
n.Create(4)
internet = ns.internet.InternetStackHelper()
internet.Install(n)
#
# Explicitly create the channels required by the topology (shown above).
#
print("Create channels.")
csma = ns.csma.CsmaHelper()
csma.SetChannelAttribute(
"DataRate", ns.network.DataRateValue(ns.network.DataRate(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.")
ipv4 = ns.internet.Ipv4AddressHelper()
ipv4.SetBase(ns.network.Ipv4Address("10.1.1.0"),
ns.network.Ipv4Mask("255.255.255.0"))
i = ipv4.Assign(d)
print("Create Applications.")
#
# Create a UdpEchoServer application on node one.
#
port = 9 # well-known echo port number
server = ns.applications.UdpEchoServerHelper(port)
apps = server.Install(n.Get(1))
apps.Start(ns.core.Seconds(1.0))
apps.Stop(ns.core.Seconds(10.0))
#
# Create a UdpEchoClient application to send UDP datagrams from node zero to
# node one.
#
packetSize = 1024
maxPacketCount = 500
interPacketInterval = ns.core.Seconds(0.01)
client = ns.applications.UdpEchoClientHelper(i.GetAddress(1), port)
client.SetAttribute("MaxPackets", ns.core.UintegerValue(maxPacketCount))
client.SetAttribute("Interval", ns.core.TimeValue(interPacketInterval))
client.SetAttribute("PacketSize", ns.core.UintegerValue(packetSize))
apps = client.Install(n.Get(0))
apps.Start(ns.core.Seconds(2.0))
apps.Stop(ns.core.Seconds(10.0))
ascii = ns.network.AsciiTraceHelper()
csma.EnableAsciiAll(ascii.CreateFileStream("realtime-udp-echo.tr"))
csma.EnablePcapAll("realtime-udp-echo", False)
#
# Now, do the actual simulation.
#
print("Run Simulation.")
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
print("Done.")
wifi = ns.wifi.WifiHelper()
mac = ns.wifi.WifiMacHelper()
mac.SetType("ns3::AdhocWifiMac")
wifi.SetRemoteStationManager("ns3::ConstantRateWifiManager", "DataMode",
ns.core.StringValue("OfdmRate54Mbps"))
wifiPhy = ns.wifi.YansWifiPhyHelper.Default()
wifiChannel = ns.wifi.YansWifiChannelHelper.Default()
wifiPhy.SetChannel(wifiChannel.Create())
wifiDevices = wifi.Install(wifiPhy, mac, wifiNodes)
#
# Add the IPv4 protocol stack to the nodes in our container
#
internet = ns.internet.InternetStackHelper()
internet.Install(wifiNodes)
# Assign IPv4 addresses to the device drivers(actually to the associated
# IPv4 interfaces) we just created.
ipAddrs = ns.internet.Ipv4AddressHelper()
ipAddrs.SetBase(ns.network.Ipv4Address("192.168.0.0"),
ns.network.Ipv4Mask("255.255.255.0"))
ipAddrs.Assign(wifiDevices)
#mobility = ns.mobility.MobilityHelper()
#mobility.SetPositionAllocator("ns3::GridPositionAllocator",
# "MinX", ns.core.DoubleValue(20.0),
# "MinY", ns.core.DoubleValue(20.0),
# "DeltaX", ns.core.DoubleValue(20.0),
# "DeltaY", ns.core.DoubleValue(20.0),
def main(argv):
ns.core.LogComponentEnable("UdpClient", ns.core.LOG_LEVEL_INFO)
ns.core.LogComponentEnable("UdpServer", ns.core.LOG_LEVEL_INFO)
cmd = ns.core.CommandLine ()
cmd.useIpv6 = "False"
cmd.AddValue ("useIpv6", "Use Ipv6")
cmd.Parse (argv)
print "Create nodes."
n = ns.network.NodeContainer ()
n.Create (2)
internet = ns.internet.InternetStackHelper ()
internet.Install (n)
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)
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))
print "Create Applications."
port = 4000
server = ns.applications.UdpEchoServerHelper (port)
serverapps = server.Install (n.Get (1))
serverapps.Start (ns.core.Seconds (1.0))
serverapps.Stop (ns.core.Seconds (10.0))
MaxPacketSize = 1024;
interPacketInterval = ns.core.Seconds (0.05)
maxPacketCount = 320;
client = ns.applications.UdpEchoClientHelper ( serverAddress, port)
client.SetAttribute ("MaxPackets", ns.core.UintegerValue (maxPacketCount))
client.SetAttribute ("Interval", ns.core.TimeValue (interPacketInterval))
client.SetAttribute ("PacketSize", ns.core.UintegerValue (MaxPacketSize))
clientapps = client.Install (n.Get (0))
serverapps.Start (ns.core.Seconds (2.0))
serverapps.Stop (ns.core.Seconds (10.0))
ascii = ns.network.AsciiTraceHelper ()
csma.EnableAsciiAll (ascii.CreateFileStream ("udp-client-serv.tr"))
csma.EnablePcapAll ("udp-client-serv", False)
print "Run Simulation."
ns.core.Simulator.Run ()
ns.core.Simulator.Destroy ()
print "Done."
def main(argv):
backboneNodes = 10
infraNodes = 5
lanNodes = 5
stopTime = 10
ns.core.Config.SetDefault("ns3::OnOffApplication::PacketSize", ns.core.StringValue("210"))
ns.core.Config.SetDefault("ns3::OnOffApplication::DataRate", ns.core.StringValue("448kb/s"))
cmd = ns.core.CommandLine()
cmd.Parse(argv)
backbone = ns.network.NodeContainer()
backbone.Create(backboneNodes)
wifi = ns.wifi.WifiHelper()
mac = ns.wifi.NqosWifiMacHelper.Default()
mac.SetType("ns3::AdhocWifiMac")
wifi.SetRemoteStationManager("ns3::ConstantRateWifiManager",
"DataMode", ns.core.StringValue("OfdmRate54Mbps"))
wifiPhy = ns.wifi.YansWifiPhyHelper.Default()
wifiChannel = ns.wifi.YansWifiChannelHelper.Default()
wifiPhy.SetChannel(wifiChannel.Create())
backboneDevices = wifi.Install(wifiPhy, mac, backbone)
print "Enabling OLSR routing on all backbone nodes"
internet = ns.internet.InternetStackHelper()
olsr = ns.olsr.OlsrHelper()
internet.SetRoutingHelper(olsr);
internet.Install(backbone);
internet.Reset()
ipAddrs = ns.internet.Ipv4AddressHelper()
ipAddrs.SetBase(ns.network.Ipv4Address("192.168.0.0"), ns.network.Ipv4Mask("255.255.255.0"))
ipAddrs.Assign(backboneDevices)
mobility = ns.mobility.MobilityHelper()
positionAlloc = ns.mobility.ListPositionAllocator()
x = 0.0
for i in range(backboneNodes):
positionAlloc.Add(ns.core.Vector(x, 0.0, 0.0))
x += 5.0
mobility.SetPositionAllocator(positionAlloc)
mobility.SetMobilityModel("ns3::RandomDirection2dMobilityModel",
"Bounds", ns.mobility.RectangleValue(ns.mobility.Rectangle(0, 1000, 0, 1000)),
"Speed", ns.core.RandomVariableValue(ns.core.ConstantVariable(2000)),
"Pause", ns.core.RandomVariableValue(ns.core.ConstantVariable(0.2)))
mobility.Install(backbone)
ipAddrs.SetBase(ns.network.Ipv4Address("172.16.0.0"), ns.network.Ipv4Mask("255.255.255.0"))
for i in range(backboneNodes):
print "Configuring local area network for backbone node ", i
newLanNodes = ns.network.NodeContainer()
newLanNodes.Create(lanNodes - 1)
lan = ns.network.NodeContainer(ns.network.NodeContainer(backbone.Get(i)), newLanNodes)
csma = ns.csma.CsmaHelper()
csma.SetChannelAttribute("DataRate", ns.network.DataRateValue(ns.network.DataRate(5000000)))
csma.SetChannelAttribute("Delay", ns.core.TimeValue(ns.core.MilliSeconds(2)))
lanDevices = csma.Install(lan)
internet.Install(newLanNodes)
ipAddrs.Assign(lanDevices)
ipAddrs.NewNetwork()
ipAddrs.SetBase(ns.network.Ipv4Address("10.0.0.0"), ns.network.Ipv4Mask("255.255.255.0"))
for i in range(backboneNodes):
print "Configuring wireless network for backbone node ", i
stas = ns.network.NodeContainer()
stas.Create(infraNodes - 1)
infra = ns.network.NodeContainer(ns.network.NodeContainer(backbone.Get(i)), stas)
ssid = ns.wifi.Ssid('wifi-infra' + str(i))
wifiInfra = ns.wifi.WifiHelper.Default()
wifiPhy.SetChannel(wifiChannel.Create())
wifiInfra.SetRemoteStationManager('ns3::ArfWifiManager')
macInfra = ns.wifi.NqosWifiMacHelper.Default();
macInfra.SetType("ns3::StaWifiMac",
"Ssid", ns.wifi.SsidValue(ssid),
"ActiveProbing", ns.core.BooleanValue(False))
staDevices = wifiInfra.Install(wifiPhy, macInfra, stas)
macInfra.SetType("ns3::ApWifiMac",
"Ssid", ns.wifi.SsidValue(ssid),
"BeaconGeneration", ns.core.BooleanValue(True),
"BeaconInterval", ns.core.TimeValue(ns.core.Seconds(2.5)))
apDevices = wifiInfra.Install(wifiPhy, macInfra, backbone.Get(i))
infraDevices = ns.network.NetDeviceContainer(apDevices, staDevices)
internet.Install(stas)
ipAddrs.Assign(infraDevices)
ipAddrs.NewNetwork()
subnetAlloc = ns.mobility.ListPositionAllocator()
for j in range(infra.GetN()):
subnetAlloc.Add(ns.core.Vector(0.0, j, 0.0))
mobility.PushReferenceMobilityModel(backbone.Get(i))
mobility.SetPositionAllocator(subnetAlloc)
mobility.SetMobilityModel("ns3::RandomDirection2dMobilityModel",
"Bounds", ns.mobility.RectangleValue(ns.mobility.Rectangle(-25, 25, -25, 25)),
"Speed", ns.core.RandomVariableValue(ns.core.ConstantVariable(30)),
"Pause", ns.core.RandomVariableValue(ns.core.ConstantVariable(0.4)))
mobility.Install(infra)
print "Create Applications."
port = 9
assert(lanNodes >= 5)
appSource = ns.network.NodeList.GetNode(11)
appSink = ns.network.NodeList.GetNode(13)
remoteAddr = ns.network.Ipv4Address("172.16.0.5")
onoff = ns.applications.OnOffHelper("ns3::UdpSocketFactory",
ns.network.Address(ns.network.InetSocketAddress(remoteAddr, port)))
onoff.SetAttribute("OnTime", ns.core.RandomVariableValue(ns.core.ConstantVariable(1)))
onoff.SetAttribute("OffTime", ns.core.RandomVariableValue(ns.core.ConstantVariable(0)))
apps = onoff.Install(ns.network.NodeContainer(appSource))
apps.Start(ns.core.Seconds(3.0))
apps.Stop(ns.core.Seconds(20.0))
sink = ns.applications.PacketSinkHelper("ns3::UdpSocketFactory",
ns.network.InetSocketAddress(ns.network.Ipv4Address.GetAny(), port))
apps = sink.Install(ns.network.NodeContainer(appSink))
apps.Start(ns.core.Seconds(3.0))
print "Configure Tracing."
print "(tracing not done for Python)"
wifiPhy.EnablePcap("mixed-wireless", backboneDevices)
csma = ns.csma.CsmaHelper()
csma.EnablePcapAll("mixed-wireless", False)
print "Run Simulation."
ns.core.Simulator.Stop(ns.core.Seconds(stopTime))
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
def main(argv):
numUes = 1
numEnbs = 2
numBearersPerUe = 0
distance = 500.0 # m
yForUe = 500.0 # m
speed = 20.0 # m/s
simTime = float(numEnbs +
1) * distance / speed # 1500 m / 20 m/s = 75 secs
enbTxPowerDbm = 46.0
# Enable logging
ns.core.LogComponentEnable("A2A4RsrqHandoverAlgorithm",
ns.core.LOG_LEVEL_LOGIC)
# change some default attributes so that they are reasonable for
# this scenario, but do this before processing command line
# arguments, so that the user is allowed to override these settings
#ns.core.Config.SetDefault ("ns3::UdpClient::Interval", ns.core.TimeValue (ns.core.MilliSeconds (10)))
#ns.core.Config.SetDefault ("ns3::UdpClient::MaxPackets", ns.core.UintegerValue (1000000))
ns.core.Config.SetDefault("ns3::LteHelper::UseIdealRrc",
ns.core.BooleanValue(1))
# Command line arguments
#cmd = ns.core.CommandLine()
#cmd.AddValue ("simTime", "Total duration of the simulation (in seconds)", simTime)
#cmd.AddValue ("speed", "Speed of the UE (default = 20 m/s)", speed);
#cmd.AddValue ("enbTxPowerDbm", "TX power [dBm] used by HeNBs (default = 46.0)", enbTxPowerDbm)
#cmd.Parse(argv)
lteHelper = ns.lte.LteHelper()
epcHelper = ns.lte.PointToPointEpcHelper()
lteHelper.SetEpcHelper(epcHelper)
lteHelper.SetSchedulerType("ns3::RrFfMacScheduler")
lteHelper.SetHandoverAlgorithmType("ns3::A2A4RsrqHandoverAlgorithm")
lteHelper.SetHandoverAlgorithmAttribute("ServingCellThreshold",
ns.core.UintegerValue(30))
lteHelper.SetHandoverAlgorithmAttribute("NeighbourCellOffset",
ns.core.UintegerValue(1))
pgw = epcHelper.GetPgwNode()
# Create a single RemoteHost
remoteHostContainer = ns.network.NodeContainer()
remoteHostContainer.Create(1)
remoteHost = remoteHostContainer.Get(0)
internet = ns.internet.InternetStackHelper()
internet.Install(remoteHostContainer)
# Create the Internet
p2ph = ns.point_to_point.PointToPointHelper()
p2ph.SetDeviceAttribute(
"DataRate", ns.network.DataRateValue(ns.network.DataRate("100Gb/s")))
p2ph.SetDeviceAttribute("Mtu", ns.core.UintegerValue(1500))
p2ph.SetChannelAttribute("Delay",
ns.core.TimeValue(ns.core.Seconds(0.010)))
internetDevices = p2ph.Install(pgw, remoteHost)
ipv4h = ns.internet.Ipv4AddressHelper()
ipv4h.SetBase(ns.network.Ipv4Address("1.0.0.0"),
ns.network.Ipv4Mask("255.0.0.0"))
internetIpIfaces = ipv4h.Assign(internetDevices)
remoteHostAddr = internetIpIfaces.GetAddress(1)
# Routing of the Internet Host (towards the LTE network)
ipv4RoutingHelper = ns.internet.Ipv4StaticRoutingHelper()
remoteHostStaticRouting = ipv4RoutingHelper.GetStaticRouting(
remoteHost.GetObject(ns.internet.Ipv4.GetTypeId()))
# interface 0 is localhost, 1 is the p2p device
remoteHostStaticRouting.AddNetworkRouteTo(
ns.network.Ipv4Address("7.0.0.0"), ns.network.Ipv4Mask("255.0.0.0"), 1)
# * Network topology:
# *
# * | + --------------------------------------------------------->
# * | UE
# * |
# * | d d d
# * y | |-------------------x-------------------x-------------------
# * | | eNodeB eNodeB
# * | d |
# * | |
# * | | d = distance
# * o (0, 0, 0) y = yForUe
enbNodes = ns.network.NodeContainer()
ueNodes = ns.network.NodeContainer()
enbNodes.Create(numEnbs)
ueNodes.Create(numUes)
# Install Mobility Model in eNB
enbPositionAlloc = ns.mobility.ListPositionAllocator()
for i in range(0, numEnbs):
enbPosition = ns.core.Vector(distance * (i + 1), distance, 0)
enbPositionAlloc.Add(enbPosition)
enbMobility = ns.mobility.MobilityHelper()
enbMobility.SetMobilityModel("ns3::ConstantPositionMobilityModel")
enbMobility.SetPositionAllocator(enbPositionAlloc)
enbMobility.Install(enbNodes)
# Install Mobility Model in UE
ueMobility = ns.mobility.MobilityHelper()
ueMobility.SetMobilityModel("ns3::ConstantVelocityMobilityModel")
ueMobility.Install(ueNodes)
ueNodes.Get(0).GetObject(
ns.mobility.MobilityModel.GetTypeId()).SetPosition(
ns.core.Vector(0, yForUe, 0))
ueNodes.Get(0).GetObject(
ns.mobility.ConstantVelocityMobilityModel.GetTypeId()).SetVelocity(
ns.core.Vector(speed, 0, 0))
# Install LTE Devices in eNB and UEs
ns.core.Config.SetDefault("ns3::LteEnbPhy::TxPower",
ns.core.DoubleValue(enbTxPowerDbm))
enbLteDevs = lteHelper.InstallEnbDevice(enbNodes)
ueLteDevs = lteHelper.InstallUeDevice(ueNodes)
# Install the IP stack on the UEs
internet.Install(ueNodes)
ueIpIfaces = epcHelper.AssignUeIpv4Address(ueLteDevs)
# Attach all UEs to the first eNodeB
for i in range(0, numUes):
lteHelper.Attach(ueLteDevs.Get(i), enbLteDevs.Get(0))
# NS_LOG_LOGIC ("setting up applications");
# Install and start applications on UEs and remote host
dlPort = 10000
ulPort = 20000
# randomize a bit start times to avoid simulation artifacts
# (e.g., buffer overflows due to packet transmissions happening
# exactly at the same time)
startTimeSeconds = ns.core.UniformRandomVariable()
startTimeSeconds.SetAttribute("Min", ns.core.DoubleValue(0))
startTimeSeconds.SetAttribute("Max", ns.core.DoubleValue(0.010))
for u in range(0, numUes):
ue = ueNodes.Get(u)
ueTmpContainer = ns.network.NodeContainer()
ueTmpContainer.Add(ue)
# Set the default gateway for the UE
ueStaticRouting = ipv4RoutingHelper.GetStaticRouting(
ue.GetObject(ns.internet.Ipv4.GetTypeId()))
ueStaticRouting.SetDefaultRoute(epcHelper.GetUeDefaultGatewayAddress(),
1)
for b in range(0, numBearersPerUe):
dlPort += 1
ulPort += 1
clientApps = ns.network.ApplicationContainer()
serverApps = ns.network.ApplicationContainer()
# NS_LOG_LOGIC ("installing UDP DL app for UE " << u);
dlClientHelper = ns.applications.UdpClientHelper(
ueIpIfaces.GetAddress(u), dlPort)
clientApps.Add(dlClientHelper.Install(remoteHostContainer))
dlPacketSinkHelper = ns.applications.PacketSinkHelper("ns3::UdpSocketFactory", \
ns.network.InetSocketAddress (ns.network.Ipv4Address.GetAny (), dlPort))
serverApps.Add(dlPacketSinkHelper.Install(ueTmpContainer))
# NS_LOG_LOGIC ("installing UDP UL app for UE " << u);
# ulClientHelper = ns.applications.UdpClientHelper(remoteHostAddr, ulPort)
# clientApps.Add (ulClientHelper.Install (ueTmpContainer))
# ulPacketSinkHelper = ns.applications.PacketSinkHelper("ns3::UdpSocketFactory", \
# ns.network.InetSocketAddress (ns.network.Ipv4Address.GetAny (), ulPort))
# serverApps.Add (ulPacketSinkHelper.Install (remoteHostContainer))
tft = ns.lte.EpcTft()
dlpf = ns.lte.EpcTft.PacketFilter()
dlpf.localPortStart = dlPort
dlpf.localPortEnd = dlPort
tft.Add(dlpf)
ulpf = ns.lte.EpcTft.PacketFilter()
ulpf.remotePortStart = ulPort
ulpf.remotePortEnd = ulPort
tft.Add(ulpf)
bearer = ns.lte.EpsBearer(ns.lte.EpsBearer.NGBR_VIDEO_TCP_DEFAULT)
lteHelper.ActivateDedicatedEpsBearer(ueLteDevs.Get(u), bearer, tft)
startTime = ns.core.Seconds(startTimeSeconds.GetValue())
serverApps.Start(startTime)
clientApps.Start(startTime)
# Add X2 interface
lteHelper.AddX2Interface(enbNodes)
lteHelper.EnablePhyTraces()
lteHelper.EnableMacTraces()
lteHelper.EnableRlcTraces()
lteHelper.EnablePdcpTraces()
rlcStats = lteHelper.GetRlcStats()
rlcStats.SetAttribute("EpochDuration",
ns.core.TimeValue(ns.core.Seconds(1.0)))
pdcpStats = lteHelper.GetPdcpStats()
pdcpStats.SetAttribute("EpochDuration",
ns.core.TimeValue(ns.core.Seconds(1.0)))
# Set RRC callbacks
# ns.core.Config.Connect ("/NodeList/*/DeviceList/*/LteUeRrc/ConnectionEstablished", \
# NotifyConnectionEstablishedUe)
enbLteDevs.Get(0).GetRrc().SetConnectionEstablishedCallback(
NotifyConnectionEstablishedEnb)
enbLteDevs.Get(0).GetRrc().SetHandoverJoiningTimeoutCallback(
NotifyHandoverJoiningTimeout)
enbLteDevs.Get(0).GetRrc().SetHandoverLeavingTimeoutCallback(
NotifyHandoverLeavingTimeout)
print("Run Simulation.")
ns.core.Simulator.Stop(ns.core.Seconds(simTime))
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
ripRouting.ExcludeInterface(d, 3)
ripRouting.SetInterfaceMetric(c, 3, 10)
ripRouting.SetInterfaceMetric(d, 1, 10)
listRH = ns.internet.Ipv4ListRoutingHelper()
listRH.Add(ripRouting, 0)
'''
// Ipv4StaticRoutingHelper staticRh;
// listRH.Add (staticRh, 5);
'''
internet = ns.internet.InternetStackHelper()
internet.SetIpv6StackInstall(False)
internet.SetRoutingHelper(listRH)
internet.Install(routers)
internetNodes = ns.internet.InternetStackHelper()
internetNodes.SetIpv6StackInstall(False)
internetNodes.Install(nodes)
#Assign addresses.
#The source and destination networks have global addresses
#The "core" network just needs link-local addresses for routing.
#We assign global addresses to the routers as well to receive
#ICMPv6 errors.
print "Assign IPv4 Addresses."
ipv4 = ns.internet.Ipv4AddressHelper()
ipv4.SetBase(ns.network.Ipv4Address("10.0.0.0"),
def Run(self, *positional_parameters, **keyword_parameters):
ns.network.Packet.EnablePrinting()
if "SINKS" in os.environ:
self.m_nSinks = int(os.environ["SINKS"])
if "TXP" in os.environ:
self.m_txp = float(os.environ["TXP"])
if "TOTAL_TIME" in os.environ:
self.m_total_time = int(os.environ["TOTAL_TIME"])
if "NODES" in os.environ:
self.m_nodes = int(os.environ["NODES"])
if "PROTOCOL" in os.environ:
self.m_protocol = int(os.environ["PROTOCOL"])
if "NODE_SPEED" in os.environ:
self.m_node_speed = int(os.environ["NODE_SPEED"])
if "NODE_PAUSE" in os.environ:
self.m_node_pause = int(os.environ["NODE_PAUSE"])
if "FILE_NAME" in os.environ:
self.m_CSVfileName = os.environ["FILE_NAME"]
if 'nSinks' in keyword_parameters:
self.m_nSinks = keyword_parameters['nSinks']
if 'txp' in keyword_parameters:
self.m_txp = keyword_parameters['txp']
if 'TotalTime' in keyword_parameters:
self.m_total_time = keyword_parameters['TotalTime']
if 'Nodes' in keyword_parameters:
self.m_nodes = keyword_parameters['Nodes']
if 'Protocol' in keyword_parameters:
self.m_protocol = keyword_parameters['Protocol']
if 'NodeSpeed' in keyword_parameters:
self.m_node_speed = keyword_parameters['NodeSpeed']
if 'NodePause' in keyword_parameters:
self.m_node_pause = keyword_parameters['NodePause']
if 'CSVfileName' in keyword_parameters:
self.m_CSVfileName = keyword_parameters['CSVfileName']
self.m_CSVfileName += "." + str(time.time())
rate = "2048bps"
phyMode = "DsssRate11Mbps"
tr_name = self.m_CSVfileName + "-compare"
self.m_protocolName = "protocol"
ns.core.Config.SetDefault("ns3::OnOffApplication::PacketSize",
ns.core.StringValue("64"))
ns.core.Config.SetDefault("ns3::OnOffApplication::DataRate",
ns.core.StringValue(rate))
ns.core.Config.SetDefault(
"ns3::WifiRemoteStationManager::NonUnicastMode",
ns.core.StringValue(phyMode))
adhocNodes = ns.network.NodeContainer()
adhocNodes.Create(self.m_nodes)
wifi = ns.wifi.WifiHelper()
wifi.SetStandard(ns.wifi.WIFI_PHY_STANDARD_80211b)
wifiPhy = ns.wifi.YansWifiPhyHelper.Default()
wifiChannel = ns.wifi.YansWifiChannelHelper()
wifiChannel.SetPropagationDelay(
"ns3::ConstantSpeedPropagationDelayModel")
wifiChannel.AddPropagationLoss("ns3::FriisPropagationLossModel")
wifiPhy.SetChannel(wifiChannel.Create())
wifiMac = ns.wifi.WifiMacHelper()
wifi.SetRemoteStationManager("ns3::ConstantRateWifiManager",
"DataMode", ns.core.StringValue(phyMode),
"ControlMode",
ns.core.StringValue(phyMode))
wifiPhy.Set("TxPowerStart", ns.core.DoubleValue(self.m_txp))
wifiPhy.Set("TxPowerEnd", ns.core.DoubleValue(self.m_txp))
wifiMac.SetType("ns3::AdhocWifiMac")
adhocDevices = wifi.Install(wifiPhy, wifiMac,
adhocNodes) # type: NetDeviceContainer
mobilityAdhoc = ns.mobility.MobilityHelper()
streamIndex = 0 # used to get consistent mobility across scenarios
pos = ns.core.ObjectFactory()
pos.SetTypeId("ns3::RandomRectanglePositionAllocator")
pos.Set(
"X",
ns.core.StringValue(
"ns3::UniformRandomVariable[Min=0.0|Max=300.0]"))
pos.Set(
"Y",
ns.core.StringValue(
"ns3::UniformRandomVariable[Min=0.0|Max=1500.0]"))
# Same as: Ptr<PositionAllocator> taPositionAlloc = pos.Create ()->GetObject<PositionAllocator> ();
taPositionAlloc = pos.Create().GetObject(
ns.mobility.PositionAllocator.GetTypeId(
)) # type: Ptr<PositionAllocator>
streamIndex += taPositionAlloc.AssignStreams(streamIndex)
ssSpeed = "ns3::UniformRandomVariable[Min=0.0|Max=%s]" % self.m_node_speed
ssPause = "ns3::ConstantRandomVariable[Constant=%s]" % self.m_node_pause
mobilityAdhoc.SetMobilityModel("ns3::RandomWaypointMobilityModel",
"Speed", ns.core.StringValue(ssSpeed),
"Pause", ns.core.StringValue(ssPause),
"PositionAllocator",
ns.core.PointerValue(taPositionAlloc))
mobilityAdhoc.SetPositionAllocator(taPositionAlloc)
mobilityAdhoc.Install(adhocNodes)
streamIndex += mobilityAdhoc.AssignStreams(adhocNodes, streamIndex)
# NS_UNUSED(streamIndex) # From this point, streamIndex is unused
aodv = ns.aodv.AodvHelper()
olsr = ns.olsr.OlsrHelper()
dsdv = ns.dsdv.DsdvHelper()
dsr = ns.dsr.DsrHelper()
dsrMain = ns.dsr.DsrMainHelper()
list = ns.internet.Ipv4ListRoutingHelper()
internet = ns.internet.InternetStackHelper()
if self.m_protocol == 1:
list.Add(olsr, 100)
self.m_protocolName = "OLSR"
elif self.m_protocol == 2:
list.Add(aodv, 100)
self.m_protocolName = "AODV"
elif self.m_protocol == 3:
list.Add(dsdv, 100)
self.m_protocolName = "DSDV"
elif self.m_protocol == 4:
self.m_protocolName = "DSR"
else:
print("No such protocol:%s" % str(self.m_protocol)
) # NS_FATAL_ERROR ("No such protocol:" << m_protocol);
if self.m_protocol < 4:
internet.SetRoutingHelper(list)
internet.Install(adhocNodes)
elif self.m_protocol == 4:
internet.Install(adhocNodes)
dsrMain.Install(dsr, adhocNodes)
print("assigning ip address")
addressAdhoc = ns.internet.Ipv4AddressHelper()
addressAdhoc.SetBase(ns.network.Ipv4Address("10.1.1.0"),
ns.network.Ipv4Mask("255.255.255.0"))
adhocInterfaces = addressAdhoc.Assign(adhocDevices)
onoff1 = ns.applications.OnOffHelper("ns3::UdpSocketFactory",
ns.network.Address())
onoff1.SetAttribute(
"OnTime",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=1.0]"))
onoff1.SetAttribute(
"OffTime",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=0.0]"))
for i in range(0, self.m_nSinks):
# Ptr<Socket> sink = SetupPacketReceive (adhocInterfaces.GetAddress (i), adhocNodes.Get (i));
sink = self.SetupPacketReceive(adhocInterfaces.GetAddress(i),
adhocNodes.Get(i))
remoteAddress = ns.network.AddressValue(
ns.network.InetSocketAddress(adhocInterfaces.GetAddress(i),
self.port))
onoff1.SetAttribute("Remote", remoteAddress)
# Ptr<UniformRandomVariable> var = CreateObject<UniformRandomVariable> ();
posURV = ns.core.ObjectFactory()
posURV.SetTypeId("ns3::UniformRandomVariable")
var = posURV.Create().GetObject(
ns.core.UniformRandomVariable.GetTypeId())
temp = onoff1.Install(
adhocNodes.Get(i +
self.m_nSinks)) # type: ApplicationContainer
temp.Start(ns.core.Seconds(var.GetValue(100.0, 101.0)))
temp.Stop(ns.core.Seconds(self.m_total_time))
ss = self.m_nSinks
nodes = str(ss)
ss2 = self.m_node_speed
sNodeSpeed = str(ss2)
ss3 = self.m_node_pause
sNodePause = str(ss3)
ss4 = rate
sRate = str(ss4)
tr_name = tr_name + "_" + \
self.m_protocolName + "_" + \
nodes + "sinks_" + \
sNodeSpeed + "speed_" + \
sNodePause + "pause_" + \
sRate + "rate"
self.m_CSVfileName = tr_name
ascii = ns.network.AsciiTraceHelper()
ns.mobility.MobilityHelper.EnableAsciiAll(
ascii.CreateFileStream(
os.path.join(__workdir__, "%s.mob" % tr_name)))
flowmon_helper = ns.flow_monitor.FlowMonitorHelper()
monitor = flowmon_helper.InstallAll()
monitor = flowmon_helper.GetMonitor()
monitor.SetAttribute("DelayBinWidth", ns.core.DoubleValue(0.001))
monitor.SetAttribute("JitterBinWidth", ns.core.DoubleValue(0.001))
monitor.SetAttribute("PacketSizeBinWidth", ns.core.DoubleValue(20))
print("Run Simulation.")
self.WriteHeaderCsv()
self.CheckThroughput()
ns.core.Simulator.Stop(ns.core.Seconds(self.m_total_time))
ns.core.Simulator.Run()
monitor.CheckForLostPackets()
classifier = flowmon_helper.GetClassifier()
if self.m_debugger:
for flow_id, flow_stats in monitor.GetFlowStats():
with open(
os.path.join(__workdir__,
(self.m_CSVfileName + ".txt")),
'a') as file:
t = classifier.FindFlow(flow_id)
proto = {6: 'TCP', 17: 'UDP'}[t.protocol]
file.write("FlowID: %i (%s %s/%s --> %s/%i)\n" % \
(flow_id, proto, t.sourceAddress, t.sourcePort, t.destinationAddress, t.destinationPort))
self.print_stats(file, flow_stats)
file.close()
monitor.SerializeToXmlFile(
os.path.join(__workdir__, "%s.flowmon" % tr_name), True, True)
delays = []
for flow_id, flow_stats in monitor.GetFlowStats():
tupl = classifier.FindFlow(flow_id)
if tupl.protocol == 17 and tupl.sourcePort == 698:
continue
if flow_stats.rxPackets == 0:
delays.append(0)
else:
delays.append(flow_stats.delaySum.GetSeconds() /
flow_stats.rxPackets)
plt.hist(delays, 20)
plt.xlabel("Delay (s)")
plt.ylabel("Number of Flows")
plt.savefig(os.path.join(__workdir__, '%s.png' % tr_name), dpi=75)
plt.show()
ns.core.Simulator.Destroy()
def main(argv):
#
# Allow the user to override any of the defaults and the above Bind() at
# run-time, via command-line arguments
#
cmd = ns.core.CommandLine()
cmd.packetSize = 1024
cmd.packetCount = 10
cmd.packetInterval = 1.0
# Socket options for IPv4, currently TOS, TTL, RECVTOS, and RECVTTL
cmd.ipTos = 0
cmd.ipRecvTos = True
cmd.ipTtl = 0
cmd.ipRecvTtl = True
cmd.AddValue("PacketSize", "Packet size in bytes")
cmd.AddValue("PacketCount", "Number of packets to send")
cmd.AddValue("Interval", "Interval between packets")
cmd.AddValue("IP_TOS", "IP_TOS")
cmd.AddValue("IP_RECVTOS", "IP_RECVTOS")
cmd.AddValue("IP_TTL", "IP_TTL")
cmd.AddValue("IP_RECVTTL", "IP_RECVTTL")
cmd.Parse(argv)
packetSize = int(cmd.packetSize)
packetCount = int(cmd.packetCount)
packetInterval = float(cmd.packetInterval)
ipTos = int(cmd.ipTos)
ipRecvTos = bool(cmd.ipRecvTos)
ipTtl = int(cmd.ipTtl)
ipRecvTtl = bool(cmd.ipRecvTtl)
print("Create nodes.")
n = ns.network.NodeContainer()
n.Create(2)
internet = ns.internet.InternetStackHelper()
internet.Install(n)
print("Create channels.")
csma = ns.csma.CsmaHelper()
csma.SetChannelAttribute(
"DataRate", ns.network.DataRateValue(ns.network.DataRate(5000000)))
csma.SetChannelAttribute("Delay",
ns.core.TimeValue(ns.core.MilliSeconds(2)))
csma.SetDeviceAttribute("Mtu", ns.core.UintegerValue(1400))
d = csma.Install(n)
print("Assign IP addresses.")
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))
print("Create sockets.")
# Receiver socket on n1
tid = ns3.TypeId.LookupByName("ns3::UdpSocketFactory")
recvSink = ns3.Socket.CreateSocket(n.Get(1), tid)
local = ns3.InetSocketAddress(ns3.Ipv4Address.GetAny(), 4477)
recvSink.SetIpRecvTos(ipRecvTos)
recvSink.SetIpRecvTtl(ipRecvTtl)
recvSink.Bind(local)
recvSink.SetRecvCallback(ReceivePacket)
# Sender socket on n0
source = ns3.Socket.CreateSocket(n.Get(0), tid)
remote = ns.network.InetSocketAddress(i.GetAddress(1), 4477)
# Set socket options, it is also possible to set the options after the socket has been created/connected.
if ipTos > 0:
source.SetIpTos(ipTos)
if ipTtl > 0:
source.SetIpTtl(ipTtl)
source.Connect(remote)
ascii = ns.network.AsciiTraceHelper()
csma.EnableAsciiAll(ascii.CreateFileStream("socket-options-ipv4.tr"))
csma.EnablePcapAll("socket-options-ipv4", False)
# Schedule SendPacket
interPacketInterval = ns.core.Seconds(packetInterval)
ns.core.Simulator.ScheduleWithContext(source.GetNode().GetId(),
ns.core.Seconds(1.0), SendPacket,
source, packetSize, packetCount,
interPacketInterval)
print("Run Simulation.")
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
print("Done.")
def main(argv):
cmd = ns.core.CommandLine()
cmd.NumNodesSide = None
cmd.AddValue(
"NumNodesSide",
"Grid side number of nodes (total number of nodes will be this number squared)"
)
cmd.Results = None
cmd.AddValue("Results", "Write XML results to file")
cmd.Plot = None
cmd.AddValue("Plot", "Plot the results using the matplotlib python module")
cmd.Parse(argv)
wifi = ns.wifi.WifiHelper.Default()
wifiMac = ns.wifi.NqosWifiMacHelper.Default()
wifiPhy = ns.wifi.YansWifiPhyHelper.Default()
wifiChannel = ns.wifi.YansWifiChannelHelper.Default()
wifiPhy.SetChannel(wifiChannel.Create())
ssid = ns.wifi.Ssid("wifi-default")
wifi.SetRemoteStationManager("ns3::ArfWifiManager")
wifiMac.SetType("ns3::AdhocWifiMac", "Ssid", ns.wifi.SsidValue(ssid))
internet = ns.internet.InternetStackHelper()
list_routing = ns.internet.Ipv4ListRoutingHelper()
olsr_routing = ns.olsr.OlsrHelper()
static_routing = ns.internet.Ipv4StaticRoutingHelper()
list_routing.Add(static_routing, 0)
list_routing.Add(olsr_routing, 100)
internet.SetRoutingHelper(list_routing)
ipv4Addresses = ns.internet.Ipv4AddressHelper()
ipv4Addresses.SetBase(ns.network.Ipv4Address("10.0.0.0"),
ns.network.Ipv4Mask("255.255.255.0"))
port = 9
onOffHelper = ns.applications.OnOffHelper(
"ns3::UdpSocketFactory",
ns.network.Address(
ns.network.InetSocketAddress(ns.network.Ipv4Address("10.0.0.1"),
port)))
onOffHelper.SetAttribute(
"DataRate", ns.network.DataRateValue(ns.network.DataRate("100kbps")))
onOffHelper.SetAttribute(
"OnTime",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=1]"))
onOffHelper.SetAttribute(
"OffTime",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=0]"))
addresses = []
nodes = []
num_nodes_side = NUM_NODES_SIDE
for xi in range(num_nodes_side):
for yi in range(num_nodes_side):
node = ns.network.Node()
nodes.append(node)
internet.Install(ns.network.NodeContainer(node))
mobility = ns.mobility.ConstantPositionMobilityModel()
mobility.SetPosition(
ns.core.Vector(xi * DISTANCE, yi * DISTANCE, 0))
node.AggregateObject(mobility)
devices = wifi.Install(wifiPhy, wifiMac, node)
ipv4_interfaces = ipv4Addresses.Assign(devices)
addresses.append(ipv4_interfaces.GetAddress(0))
for e in range(500):
for i, node in enumerate(nodes):
destaddr = addresses[(len(addresses) - 1 - i) % len(addresses)]
onOffHelper.SetAttribute(
"Remote",
ns.network.AddressValue(
ns.network.InetSocketAddress(destaddr, port)))
app = onOffHelper.Install(ns.network.NodeContainer(node))
urv = ns.core.UniformRandomVariable()
app.Start(ns.core.Seconds(urv.GetValue(20, 30)))
flowmon_helper = ns.flow_monitor.FlowMonitorHelper()
monitor = flowmon_helper.InstallAll()
monitor = flowmon_helper.GetMonitor()
monitor.SetAttribute("DelayBinWidth", ns.core.DoubleValue(0.001))
monitor.SetAttribute("JitterBinWidth", ns.core.DoubleValue(0.001))
monitor.SetAttribute("PacketSizeBinWidth", ns.core.DoubleValue(20))
ns.core.Simulator.Stop(ns.core.Seconds(44.0))
ns.core.Simulator.Run()
monitor.CheckForLostPackets()
classifier = flowmon_helper.GetClassifier()
monitor.SerializeToXmlFile("wififlow.xml", True, True)
flow_stats_inputs = monitor.GetFlowStats()
flow_array = [
] # this is original array which store the original inputs to the model
# this are the inputs to the model which will stored in flow_array
flow_array.append(flow_stat_inputs.txBytes)
flow_array.append(flow_stat_inputs.rxBytes)
flow_array.append(flow_stat_inputs.txPackets)
flow_array.append(flow_stat_inputs.rxPackets)
flow_array.append(flow_stat_inputs.lostPackets)
if st.rxPackets > 0:
mean_delay = (flow_stat_inputs.delaySum.GetSeconds() /
flow_stat_inputs.rxPackets)
flow_array.append(mean_delay)
mean_jitter = (flow_stat_inputs.jitterSum.GetSeconds() /
(flow_stat_inputs.rxPackets - 1))
flow_array.append(mean_jitter)
np.array(
flow_array
) # then convert the flow array to numpy array reason to convert is numpy array will be a matrix and our model will only accept matrix inputs
# data preprocessing part here we normalized the dataset into range between 1 and 0 and then convert to time sequence dataset since our model is recurrent network it only accept time sequence data
df = DataFrame(data=d, index=index)
min_max_scaler = preprocessing.MinMaxScaler()
np_scaled = min_max_scaler.fit_transform(df)
df_normalized = pd.DataFrame(np_scaled)
X_train = sequence.pad_sequences(df_normalized, 10)
actor = DQNAgent(X_train.shape[1], num_nodes_side)
for t in range(500):
action = actor.act(X_train)
for i, node in enumerate(nodes):
destaddr = addresses[action]
onOffHelper.SetAttribute(
"Remote",
ns.network.AddressValue(
ns.network.InetSocketAddress(destaddr, port)))
app = onOffHelper.Install(ns.network.NodeContainer(node))
urv = ns.core.UniformRandomVariable()
app.Start(ns.core.Seconds(urv.GetValue(20, 30)))
flowmon_helper = ns.flow_monitor.FlowMonitorHelper()
monitor = flowmon_helper.InstallAll()
monitor = flowmon_helper.GetMonitor()
monitor.SetAttribute("DelayBinWidth", ns.core.DoubleValue(0.001))
monitor.SetAttribute("JitterBinWidth", ns.core.DoubleValue(0.001))
monitor.SetAttribute("PacketSizeBinWidth", ns.core.DoubleValue(20))
ns.core.Simulator.Stop(ns.core.Seconds(44.0))
ns.core.Simulator.Run()
monitor.CheckForLostPackets()
classifier = flowmon_helper.GetClassifier()
monitor.SerializeToXmlFile("wififlow.xml", True, True)
# similar process describe in ahead happens here inside the loop
flow_stats_inputs_next = monitor.GetFlowStats()
flow_array_next = []
flow_array_next.append(flow_stat_inputs_next.txBytes)
flow_array_next.append(flow_stat_inputs_next.rxBytes)
flow_array_next.append(flow_stat_inputs_next.txPackets)
flow_array_next.append(flow_stat_inputs_next.rxPackets)
flow_array_next.append(flow_stat_inputs_next.lostPackets)
if st.rxPackets > 0:
mean_delay = (flow_stat_inputs_next.delaySum.GetSeconds() /
flow_stat_inputs.rxPackets)
flow_array.append(mean_delay)
mean_jitter = (flow_stat_inputs_next.jitterSum.GetSeconds() /
(flow_stat_inputs.rxPackets - 1))
flow_array_next.append(mean_jitter)
np.array(flow_array_next)
df_next = DataFrame(data=d, index=index)
min_max_scaler_next = preprocessing.MinMaxScaler()
np_scaled_next = min_max_scaler_next.fit_transform(df_next)
df_normalized_next = pd.DataFrame(np_scaled_next)
X_next = sequence.pad_sequences(df_normalized_next, 10)
# here we calculate the reward this has to be improve here i calculate the reward based only on loss packets which is not good way another few factors to be added it has to be discussed
if (flow_stat_inputs_next.lostPackets > 10):
reward = -10
else:
reward = 20
actor.remember(
X_train, action, X_next
) # finally saved the current step in model memory for experience replay module
print("episode: {}/{}, score: {}".format(e, 500, t))
actor.replay(
32
) # after 500 times of training then apply the experiece replay task to use what it learn so far
import pylab
delays = []
for flow_id, flow_stats in monitor.GetFlowStats():
tupl = classifier.FindFlow(flow_id)
if tupl.protocol == 17 and tupl.sourcePort == 698:
continue
delays.append(flow_stats.delaySum.GetSeconds() / flow_stats.rxPackets)
pylab.hist(delays, 20)
pylab.xlabel("Delay (s)")
pylab.ylabel("Number of Flows")
pylab.show()
return 0
def main():
framework.start()
# First, we initialize a few local variables that control some
# simulation parameters.
cmd = ns.core.CommandLine()
cmd.backboneNodes = {{backbone_nodes}}
cmd.infraNodes = {{infra_nodes}}
cmd.lanNodes = {{lan_nodes}}
cmd.stopTime = {{exec_time}}
# Simulation defaults are typically set next, before command line
# arguments are parsed.
ns.core.Config.SetDefault("ns3::OnOffApplication::PacketSize",
ns.core.StringValue("1472"))
ns.core.Config.SetDefault("ns3::OnOffApplication::DataRate",
ns.core.StringValue("100kb/s"))
backboneNodes = int(cmd.backboneNodes)
infraNodes = int(cmd.infraNodes)
lanNodes = int(cmd.lanNodes)
stopTime = int(cmd.stopTime)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Construct the backbone #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# Create a container to manage the nodes of the adhoc(backbone) network.
# Later we'll create the rest of the nodes we'll need.
backbone = ns.network.NodeContainer()
backbone.Create(backboneNodes)
# Create the backbone wifi net devices and install them into the nodes in
# our container
wifi = ns.wifi.WifiHelper()
mac = ns.wifi.WifiMacHelper()
mac.SetType("ns3::AdhocWifiMac")
wifi.SetRemoteStationManager(
"ns3::ConstantRateWifiManager", "DataMode",
ns.core.StringValue("OfdmRate{}Mbps".format({{ofdm_rate}})))
wifiPhy = ns.wifi.YansWifiPhyHelper.Default()
wifiChannel = ns.wifi.YansWifiChannelHelper.Default()
wifiPhy.SetChannel(wifiChannel.Create())
backboneDevices = wifi.Install(wifiPhy, mac, backbone)
# Add the IPv4 protocol stack to the nodes in our container
print("Enabling OLSR routing on all backbone nodes")
internet = ns.internet.InternetStackHelper()
olsr = ns.olsr.OlsrHelper()
internet.SetRoutingHelper(olsr)
# has effect on the next Install ()
internet.Install(backbone)
# Assign IPv4 addresses to the device drivers(actually to the associated
# IPv4 interfaces) we just created.
ipAddrs = ns.internet.Ipv4AddressHelper()
ipAddrs.SetBase(ns.network.Ipv4Address("192.168.0.0"),
ns.network.Ipv4Mask("255.255.255.0"))
ipAddrs.Assign(backboneDevices)
# The ad-hoc network nodes need a mobility model so we aggregate one to
# each of the nodes we just finished building.
mobility = ns.mobility.MobilityHelper()
mobility.SetPositionAllocator("ns3::GridPositionAllocator", "MinX",
ns.core.DoubleValue(20.0), "MinY",
ns.core.DoubleValue(20.0), "DeltaX",
ns.core.DoubleValue(20.0), "DeltaY",
ns.core.DoubleValue(20.0), "GridWidth",
ns.core.UintegerValue(5), "LayoutType",
ns.core.StringValue("RowFirst"))
mobility.SetMobilityModel(
"ns3::RandomDirection2dMobilityModel", "Bounds",
ns.mobility.RectangleValue(ns.mobility.Rectangle(-500, 500, -500,
500)), "Speed",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=2]"),
"Pause",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=0.2]"))
mobility.Install(backbone)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Construct the LANs #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# Reset the address base-- all of the CSMA networks will be in
# the "172.16 address space
ipAddrs.SetBase(ns.network.Ipv4Address("172.16.0.0"),
ns.network.Ipv4Mask("255.255.255.0"))
for i in range(backboneNodes):
# Create a container to manage the nodes of the LAN. We need
# two containers here; one with all of the new nodes, and one
# with all of the nodes including new and existing nodes
newLanNodes = ns.network.NodeContainer()
newLanNodes.Create(lanNodes - 1)
lan = ns.network.NodeContainer(
ns.network.NodeContainer(backbone.Get(i)), newLanNodes)
# Create the CSMA net devices and install them into the nodes in our
# collection.
csma = ns.csma.CsmaHelper()
csma.SetChannelAttribute(
"DataRate",
ns.network.DataRateValue(ns.network.DataRate({{datarate}})))
csma.SetChannelAttribute(
"Delay", ns.core.TimeValue(ns.core.MilliSeconds({{delay}})))
lanDevices = csma.Install(lan)
# Add the IPv4 protocol stack to the new LAN nodes
internet.Install(newLanNodes)
# Assign IPv4 addresses to the device drivers(actually to the
# associated IPv4 interfaces) we just created.
ipAddrs.Assign(lanDevices)
# Assign a new network prefix for the next LAN, according to the
# network mask initialized above
ipAddrs.NewNetwork()
# The new LAN nodes need a mobility model so we aggregate one
# to each of the nodes we just finished building.
mobilityLan = ns.mobility.MobilityHelper()
positionAlloc = ns.mobility.ListPositionAllocator()
for j in range(newLanNodes.GetN()):
positionAlloc.Add(ns.core.Vector(0.0, (j * 10 + 10), 0.0))
mobilityLan.SetPositionAllocator(positionAlloc)
mobilityLan.PushReferenceMobilityModel(backbone.Get(i))
mobilityLan.SetMobilityModel("ns3::ConstantPositionMobilityModel")
mobilityLan.Install(newLanNodes)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Construct the mobile networks #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# Reset the address base-- all of the 802.11 networks will be in
# the "10.0" address space
ipAddrs.SetBase(ns.network.Ipv4Address("10.0.0.0"),
ns.network.Ipv4Mask("255.255.255.0"))
for i in range(backboneNodes):
# Create a container to manage the nodes of the LAN. We need
# two containers here; one with all of the new nodes, and one
# with all of the nodes including new and existing nodes
stas = ns.network.NodeContainer()
stas.Create(infraNodes - 1)
infra = ns.network.NodeContainer(
ns.network.NodeContainer(backbone.Get(i)), stas)
# Create another ad hoc network and devices
ssid = ns.wifi.Ssid('wifi-infra' + str(i))
wifiInfra = ns.wifi.WifiHelper()
wifiPhy.SetChannel(wifiChannel.Create())
wifiInfra.SetRemoteStationManager('ns3::ArfWifiManager')
macInfra = ns.wifi.WifiMacHelper()
macInfra.SetType("ns3::StaWifiMac", "Ssid", ns.wifi.SsidValue(ssid))
# setup stas
staDevices = wifiInfra.Install(wifiPhy, macInfra, stas)
# setup ap.
macInfra.SetType("ns3::ApWifiMac", "Ssid", ns.wifi.SsidValue(ssid),
"BeaconInterval",
ns.core.TimeValue(ns.core.Seconds(2.5)))
apDevices = wifiInfra.Install(wifiPhy, macInfra, backbone.Get(i))
# Collect all of these new devices
infraDevices = ns.network.NetDeviceContainer(apDevices, staDevices)
# Add the IPv4 protocol stack to the nodes in our container
internet.Install(stas)
# Assign IPv4 addresses to the device drivers(actually to the associated
# IPv4 interfaces) we just created.
ipAddrs.Assign(infraDevices)
# Assign a new network prefix for each mobile network, according to
# the network mask initialized above
ipAddrs.NewNetwork()
# The new wireless nodes need a mobility model so we aggregate one
# to each of the nodes we just finished building.
subnetAlloc = ns.mobility.ListPositionAllocator()
for j in range(infra.GetN()):
subnetAlloc.Add(ns.core.Vector(0.0, j, 0.0))
mobility.PushReferenceMobilityModel(backbone.Get(i))
mobility.SetPositionAllocator(subnetAlloc)
mobility.SetMobilityModel(
"ns3::RandomDirection2dMobilityModel", "Bounds",
ns.mobility.RectangleValue(ns.mobility.Rectangle(-10, 10, -10,
10)), "Speed",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=3]"),
"Pause",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=0.4]"))
mobility.Install(stas)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Application configuration #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# Create the OnOff application to send UDP datagrams of size
# 210 bytes at a rate of 448 Kb/s, between two nodes
port = 9 # Discard port(RFC 863)
appSource = ns.network.NodeList.GetNode(backboneNodes)
lastNodeIndex = backboneNodes + backboneNodes * (
lanNodes - 1) + backboneNodes * (infraNodes - 1) - 1
appSink = ns.network.NodeList.GetNode(lastNodeIndex)
# Let's fetch the IP address of the last node, which is on Ipv4Interface 1
remoteAddr = appSink.GetObject(ns.internet.Ipv4.GetTypeId()).GetAddress(
1, 0).GetLocal()
onoff = ns.applications.OnOffHelper(
"ns3::UdpSocketFactory",
ns.network.Address(ns.network.InetSocketAddress(remoteAddr, port)))
apps = onoff.Install(ns.network.NodeContainer(appSource))
apps.Start(ns.core.Seconds(3))
apps.Stop(ns.core.Seconds(stopTime - 1))
# Create a packet sink to receive these packets
sink = ns.applications.PacketSinkHelper(
"ns3::UdpSocketFactory",
ns.network.InetSocketAddress(ns.network.Ipv4Address.GetAny(), port))
apps = sink.Install(ns.network.NodeContainer(appSink))
apps.Start(ns.core.Seconds(3))
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Tracing configuration #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
csma = ns.csma.CsmaHelper()
# Let's set up some ns-2-like ascii traces, using another helper class
#
ascii = ns.network.AsciiTraceHelper()
stream = ascii.CreateFileStream("mixed-wireless.tr")
wifiPhy.EnableAsciiAll(stream)
csma.EnableAsciiAll(stream)
internet.EnableAsciiIpv4All(stream)
mob = ascii.CreateFileStream("mixed-wireless.mob")
mobility.EnableAsciiAll(mob)
# Csma captures in non-promiscuous mode
csma.EnablePcapAll("mixed-wireless", False)
# Let's do a pcap trace on the backbone devices
wifiPhy.EnablePcap("mixed-wireless", backboneDevices)
wifiPhy.EnablePcap("mixed-wireless", appSink.GetId(), 0)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# #
# Run simulation #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
ns.core.Simulator.Stop(ns.core.Seconds(stopTime))
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
framework.addBinaryFile("mixed-wireless.tr")
framework.addBinaryFile("mixed-wireless.mob")
path = "*.pcap"
for filename in glob.glob(path):
framework.addBinaryFile(filename)
framework.stop()
n1n2.Add(c.Get(1))
n1n2.Add(c.Get(2))
n5n6 = ns.network.NodeContainer()
n5n6.Add(c.Get(5))
n5n6.Add(c.Get(6))
n1n6 = ns.network.NodeContainer()
n1n6.Add(c.Get(1))
n1n6.Add(c.Get(6))
n2345 = ns.network.NodeContainer()
n2345.Add(c.Get(2))
n2345.Add(c.Get(3))
n2345.Add(c.Get(4))
n2345.Add(c.Get(5))
internet = ns.internet.InternetStackHelper()
internet.Install(c)
#We create the channels first without any IP addressing information
print("Create channels.")
p2p = ns.point_to_point.PointToPointHelper()
p2p.SetDeviceAttribute("DataRate", ns.core.StringValue("5Mbps"))
p2p.SetChannelAttribute("Delay", ns.core.StringValue("2ms"))
d0d2 = p2p.Install(n0n2)
d1d6 = p2p.Install(n1n6)
d1d2 = p2p.Install(n1n2)
p2p.SetDeviceAttribute("DataRate", ns.core.StringValue("1500kbps"))
p2p.SetChannelAttribute("Delay", ns.core.StringValue("10ms"))
d5d6 = p2p.Install(n5n6)
def main(argv):
#
# Allow the user to override any of the defaults and the above Bind() at
# run-time, via command-line arguments
#
cmd = ns.core.CommandLine()
cmd.packetSize = 1024
cmd.packetCount = 10
cmd.packetInterval = 1.0
#Socket options for IPv6, currently TCLASS, HOPLIMIT, RECVTCLASS, and RECVHOPLIMIT
cmd.ipv6Tclass = 0
cmd.ipv6RecvTclass = True
cmd.ipv6Hoplimit = 0
cmd.ipv6RecvHoplimit = True
cmd.AddValue("PacketSize", "Packet size in bytes")
cmd.AddValue("PacketCount", "Number of packets to send")
cmd.AddValue("Interval", "Interval between packets")
cmd.AddValue("IPV6_TCLASS", "IPV6_TCLASS")
cmd.AddValue("IPV6_RECVTCLASS", "IPV6_RECVTCLASS")
cmd.AddValue("IPV6_HOPLIMIT", "IPV6_HOPLIMIT")
cmd.AddValue("IPV6_RECVHOPLIMIT", "IPV6_RECVHOPLIMIT")
cmd.Parse(argv)
packetSize = int(cmd.packetSize)
packetCount = int(cmd.packetCount)
packetInterval = float(cmd.packetInterval)
ipv6Tclass = int(cmd.ipv6Tclass)
ipv6RecvTclass = bool(cmd.ipv6RecvTclass)
ipv6Hoplimit = int(cmd.ipv6Hoplimit)
ipv6RecvHoplimit = bool(cmd.ipv6RecvHoplimit)
print("Create nodes.")
n = ns.network.NodeContainer()
n.Create(2)
internet = ns.internet.InternetStackHelper()
internet.Install(n)
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)
print("Assign IP Addresses.")
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))
print("Create sockets.")
#Receiver socket on n1
tid = ns3.TypeId.LookupByName("ns3::UdpSocketFactory")
recvSink = ns3.Socket.CreateSocket(n.Get(1), tid)
local = ns3.Inet6SocketAddress(ns3.Ipv6Address.GetAny(), 4477)
recvSink.SetIpv6RecvTclass(ipv6RecvTclass)
recvSink.SetIpv6RecvHopLimit(ipv6RecvHoplimit)
recvSink.Bind(local)
recvSink.SetRecvCallback(ReceivePacket)
#Sender socket on n0
source = ns3.Socket.CreateSocket(n.Get(0), tid)
remote = ns3.Inet6SocketAddress(i6.GetAddress(1, 1), 4477)
#Set socket options, it is also possible to set the options after the socket has been created/connected.
if ipv6Tclass != 0:
source.SetIpv6Tclass(ipv6Tclass)
if ipv6Hoplimit > 0:
source.SetIpv6HopLimit(ipv6Hoplimit)
source.Connect(remote)
ascii = ns.network.AsciiTraceHelper()
csma.EnableAsciiAll(ascii.CreateFileStream("socket-options-ipv6-py.tr"))
csma.EnablePcapAll("socket-options-ipv6", False)
#Schedule SendPacket
interPacketInterval = ns.core.Seconds(packetInterval)
ns.core.Simulator.ScheduleWithContext(source.GetNode().GetId(),
ns.core.Seconds(1.0), SendPacket,
source, packetSize, packetCount,
interPacketInterval)
print("Run Simulation.")
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
print("Done.")
def main(argv):
#
# First, we declare and initialize a few local variables that control some
# simulation parameters.
#
backboneNodes = 10
infraNodes = 5
lanNodes = 5
stopTime = 10
#
# Simulation defaults are typically set next, before command line
# arguments are parsed.
#
ns.core.Config.SetDefault("ns3::OnOffApplication::PacketSize",
ns.core.StringValue("210"))
ns.core.Config.SetDefault("ns3::OnOffApplication::DataRate",
ns.core.StringValue("448kb/s"))
#
# For convenience, we add the local variables to the command line argument
# system so that they can be overridden with flags such as
# "--backboneNodes=20"
#
cmd = ns.core.CommandLine()
#cmd.AddValue("backboneNodes", "number of backbone nodes", backboneNodes)
#cmd.AddValue("infraNodes", "number of leaf nodes", infraNodes)
#cmd.AddValue("lanNodes", "number of LAN nodes", lanNodes)
#cmd.AddValue("stopTime", "simulation stop time(seconds)", stopTime)
#
# The system global variables and the local values added to the argument
# system can be overridden by command line arguments by using this call.
#
cmd.Parse(argv)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Construct the backbone #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
#
# Create a container to manage the nodes of the adhoc(backbone) network.
# Later we'll create the rest of the nodes we'll need.
#
backbone = ns.network.NodeContainer()
backbone.Create(backboneNodes)
#
# Create the backbone wifi net devices and install them into the nodes in
# our container
#
wifi = ns.wifi.WifiHelper()
mac = ns.wifi.NqosWifiMacHelper.Default()
mac.SetType("ns3::AdhocWifiMac")
wifi.SetRemoteStationManager("ns3::ConstantRateWifiManager", "DataMode",
ns.core.StringValue("OfdmRate54Mbps"))
wifiPhy = ns.wifi.YansWifiPhyHelper.Default()
wifiChannel = ns.wifi.YansWifiChannelHelper.Default()
wifiPhy.SetChannel(wifiChannel.Create())
backboneDevices = wifi.Install(wifiPhy, mac, backbone)
#
# Add the IPv4 protocol stack to the nodes in our container
#
print "Enabling OLSR routing on all backbone nodes"
internet = ns.internet.InternetStackHelper()
olsr = ns.olsr.OlsrHelper()
internet.SetRoutingHelper(olsr)
# has effect on the next Install ()
internet.Install(backbone)
# re-initialize for non-olsr routing.
internet.Reset()
#
# Assign IPv4 addresses to the device drivers(actually to the associated
# IPv4 interfaces) we just created.
#
ipAddrs = ns.internet.Ipv4AddressHelper()
ipAddrs.SetBase(ns.network.Ipv4Address("192.168.0.0"),
ns.network.Ipv4Mask("255.255.255.0"))
ipAddrs.Assign(backboneDevices)
#
# The ad-hoc network nodes need a mobility model so we aggregate one to
# each of the nodes we just finished building.
#
mobility = ns.mobility.MobilityHelper()
positionAlloc = ns.mobility.ListPositionAllocator()
x = 0.0
for i in range(backboneNodes):
positionAlloc.Add(ns.core.Vector(x, 0.0, 0.0))
x += 5.0
mobility.SetPositionAllocator(positionAlloc)
mobility.SetMobilityModel(
"ns3::RandomDirection2dMobilityModel", "Bounds",
ns.mobility.RectangleValue(ns.mobility.Rectangle(0, 1000, 0,
1000)), "Speed",
ns.core.RandomVariableValue(ns.core.ConstantVariable(2000)), "Pause",
ns.core.RandomVariableValue(ns.core.ConstantVariable(0.2)))
mobility.Install(backbone)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Construct the LANs #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# Reset the address base-- all of the CSMA networks will be in
# the "172.16 address space
ipAddrs.SetBase(ns.network.Ipv4Address("172.16.0.0"),
ns.network.Ipv4Mask("255.255.255.0"))
for i in range(backboneNodes):
print "Configuring local area network for backbone node ", i
#
# Create a container to manage the nodes of the LAN. We need
# two containers here; one with all of the new nodes, and one
# with all of the nodes including new and existing nodes
#
newLanNodes = ns.network.NodeContainer()
newLanNodes.Create(lanNodes - 1)
# Now, create the container with all nodes on this link
lan = ns.network.NodeContainer(
ns.network.NodeContainer(backbone.Get(i)), newLanNodes)
#
# Create the CSMA net devices and install them into the nodes in our
# collection.
#
csma = ns.csma.CsmaHelper()
csma.SetChannelAttribute(
"DataRate", ns.network.DataRateValue(ns.network.DataRate(5000000)))
csma.SetChannelAttribute("Delay",
ns.core.TimeValue(ns.core.MilliSeconds(2)))
lanDevices = csma.Install(lan)
#
# Add the IPv4 protocol stack to the new LAN nodes
#
internet.Install(newLanNodes)
#
# Assign IPv4 addresses to the device drivers(actually to the
# associated IPv4 interfaces) we just created.
#
ipAddrs.Assign(lanDevices)
#
# Assign a new network prefix for the next LAN, according to the
# network mask initialized above
#
ipAddrs.NewNetwork()
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Construct the mobile networks #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# Reset the address base-- all of the 802.11 networks will be in
# the "10.0" address space
ipAddrs.SetBase(ns.network.Ipv4Address("10.0.0.0"),
ns.network.Ipv4Mask("255.255.255.0"))
for i in range(backboneNodes):
print "Configuring wireless network for backbone node ", i
#
# Create a container to manage the nodes of the LAN. We need
# two containers here; one with all of the new nodes, and one
# with all of the nodes including new and existing nodes
#
stas = ns.network.NodeContainer()
stas.Create(infraNodes - 1)
# Now, create the container with all nodes on this link
infra = ns.network.NodeContainer(
ns.network.NodeContainer(backbone.Get(i)), stas)
#
# Create another ad hoc network and devices
#
ssid = ns.wifi.Ssid('wifi-infra' + str(i))
wifiInfra = ns.wifi.WifiHelper.Default()
wifiPhy.SetChannel(wifiChannel.Create())
wifiInfra.SetRemoteStationManager('ns3::ArfWifiManager')
macInfra = ns.wifi.NqosWifiMacHelper.Default()
macInfra.SetType("ns3::StaWifiMac", "Ssid", ns.wifi.SsidValue(ssid),
"ActiveProbing", ns.core.BooleanValue(False))
# setup stas
staDevices = wifiInfra.Install(wifiPhy, macInfra, stas)
# setup ap.
macInfra.SetType("ns3::ApWifiMac", "Ssid",
ns.wifi.SsidValue(ssid), "BeaconGeneration",
ns.core.BooleanValue(True), "BeaconInterval",
ns.core.TimeValue(ns.core.Seconds(2.5)))
apDevices = wifiInfra.Install(wifiPhy, macInfra, backbone.Get(i))
# Collect all of these new devices
infraDevices = ns.network.NetDeviceContainer(apDevices, staDevices)
# Add the IPv4 protocol stack to the nodes in our container
#
internet.Install(stas)
#
# Assign IPv4 addresses to the device drivers(actually to the associated
# IPv4 interfaces) we just created.
#
ipAddrs.Assign(infraDevices)
#
# Assign a new network prefix for each mobile network, according to
# the network mask initialized above
#
ipAddrs.NewNetwork()
#
# The new wireless nodes need a mobility model so we aggregate one
# to each of the nodes we just finished building.
#
subnetAlloc = ns.mobility.ListPositionAllocator()
for j in range(infra.GetN()):
subnetAlloc.Add(ns.core.Vector(0.0, j, 0.0))
mobility.PushReferenceMobilityModel(backbone.Get(i))
mobility.SetPositionAllocator(subnetAlloc)
mobility.SetMobilityModel(
"ns3::RandomDirection2dMobilityModel", "Bounds",
ns.mobility.RectangleValue(ns.mobility.Rectangle(-25, 25, -25,
25)), "Speed",
ns.core.RandomVariableValue(ns.core.ConstantVariable(30)), "Pause",
ns.core.RandomVariableValue(ns.core.ConstantVariable(0.4)))
mobility.Install(infra)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Application configuration #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# Create the OnOff application to send UDP datagrams of size
# 210 bytes at a rate of 448 Kb/s, between two nodes
print "Create Applications."
port = 9 # Discard port(RFC 863)
# Let's make sure that the user does not define too few LAN nodes
# to make this example work. We need lanNodes >= 5
assert (lanNodes >= 5)
appSource = ns.network.NodeList.GetNode(11)
appSink = ns.network.NodeList.GetNode(13)
remoteAddr = ns.network.Ipv4Address("172.16.0.5")
onoff = ns.applications.OnOffHelper(
"ns3::UdpSocketFactory",
ns.network.Address(ns.network.InetSocketAddress(remoteAddr, port)))
onoff.SetAttribute(
"OnTime", ns.core.RandomVariableValue(ns.core.ConstantVariable(1)))
onoff.SetAttribute(
"OffTime", ns.core.RandomVariableValue(ns.core.ConstantVariable(0)))
apps = onoff.Install(ns.network.NodeContainer(appSource))
apps.Start(ns.core.Seconds(3.0))
apps.Stop(ns.core.Seconds(20.0))
# Create a packet sink to receive these packets
sink = ns.applications.PacketSinkHelper(
"ns3::UdpSocketFactory",
ns.network.InetSocketAddress(ns.network.Ipv4Address.GetAny(), port))
apps = sink.Install(ns.network.NodeContainer(appSink))
apps.Start(ns.core.Seconds(3.0))
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Tracing configuration #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
print "Configure Tracing."
#
# Let's set up some ns-2-like ascii traces, using another helper class
#
#std.ofstream ascii
#ascii = ns.core.AsciiTraceHelper();
#stream = ascii.CreateFileStream("mixed-wireless.tr");
#wifiPhy.EnableAsciiAll(stream);
#csma.EnableAsciiAll(stream);
print "(tracing not done for Python)"
# Look at nodes 11, 13 only
# WifiHelper.EnableAscii(ascii, 11, 0);
# WifiHelper.EnableAscii(ascii, 13, 0);
# Let's do a pcap trace on the backbone devices
wifiPhy.EnablePcap("mixed-wireless", backboneDevices)
# Let's additionally trace the application Sink, ifIndex 0
csma = ns.csma.CsmaHelper()
csma.EnablePcapAll("mixed-wireless", False)
# #ifdef ENABLE_FOR_TRACING_EXAMPLE
# Config.Connect("/NodeList/*/$MobilityModel/CourseChange",
# MakeCallback(&CourseChangeCallback))
# #endif
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# #
# Run simulation #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
print "Run Simulation."
ns.core.Simulator.Stop(ns.core.Seconds(stopTime))
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
def main (argv):
#
# Users may find it convenient to turn on explicit debugging
# for selected modules; the below lines suggest how to do this
# Set up some default values for the simulation. Use the
ns.core.Config.SetDefault("ns3::OnOffApplication::PacketSize", ns.core.UintegerValue (210))
ns.core.Config.SetDefault("ns3::OnOffApplication::DataRate", ns.core.StringValue ("448kb/s"))
#
# DefaultValue::Bind ("DropTailQueue::m_maxPackets", 30);
# Allow the user to override any of the defaults and the above
# DefaultValue::Bind ()s at run-time, via command-line arguments
#
cmd = ns.core.CommandLine ()
cmd.enableFlowMonitor = False
cmd.AddValue ("EnableMonitor", "Enable Flow Monitor")
cmd.Parse (argv)
enableFlowMonitor = bool(cmd.enableFlowMonitor)
#Here, we will explicitly create four nodes. In more sophisticated
# topologies, we could configure a node factory.
print ("Create nodes.")
c = ns.network.NodeContainer ()
c.Create (4)
n0n2 = ns.network.NodeContainer ()
n0n2.Add(c.Get(0))
n0n2.Add(c.Get(2))
n1n2 = ns.network.NodeContainer ()
n1n2.Add(c.Get(1))
n1n2.Add(c.Get(2))
n3n2 = ns.network.NodeContainer ()
n3n2.Add(c.Get(3))
n3n2.Add(c.Get(2))
internet = ns.internet.InternetStackHelper ()
internet.Install (c)
#
# We create the channels first without any IP addressing information
#
print ("Create channels.")
p2p =ns.point_to_point.PointToPointHelper ()
p2p.SetDeviceAttribute ("DataRate", ns.core.StringValue ("5Mbps"))
p2p.SetChannelAttribute ("Delay", ns.core.StringValue ("2ms"))
d0d2 = p2p.Install (n0n2)
d1d2 = p2p.Install (n1n2)
p2p.SetDeviceAttribute ("DataRate", ns.core.StringValue ("1500kbps"))
p2p.SetChannelAttribute ("Delay", ns.core.StringValue ("10ms"))
d3d2 = p2p.Install (n3n2)
#
# Later, we add IP addresses.
#
print ("Assign IP Addresses.")
ipv4 = ns.internet.Ipv4AddressHelper ()
ipv4.SetBase (ns.network.Ipv4Address ("10.1.1.0"), ns.network.Ipv4Mask ("255.255.255.0"))
i0i2 = ipv4.Assign (d0d2)
ipv4.SetBase (ns.network.Ipv4Address ("10.1.2.0"), ns.network.Ipv4Mask ("255.255.255.0"))
i1i2 = ipv4.Assign (d1d2)
ipv4.SetBase (ns.network.Ipv4Address ("10.1.3.0"), ns.network.Ipv4Mask ("255.255.255.0"))
i3i2 = ipv4.Assign (d3d2)
#
# Create router nodes, initialize routing database and set up the routing
# tables in the nodes.
#
ns.internet.Ipv4GlobalRoutingHelper.PopulateRoutingTables()
#
# Create the OnOff application to send UDP datagrams of size
# 210 bytes at a rate of 448 Kb/s
#
print ("Create Applications.")
port = 9 # Discard port (RFC 863)
onoff = ns.applications.OnOffHelper ("ns3::UdpSocketFactory",
ns.network.InetSocketAddress (i3i2.GetAddress (0), port))
onoff.SetConstantRate (ns.network.DataRate("448kb/s"))
apps = onoff.Install (c.Get (0))
apps.Start (ns.core.Seconds (1.0))
apps.Stop (ns.core.Seconds (10.0))
#
# Create a packet sink to receive these packets
#
sink = ns.applications.PacketSinkHelper ("ns3::UdpSocketFactory",
ns.network.InetSocketAddress (ns.network.Ipv4Address.GetAny (), port))
apps = sink.Install (c.Get (3))
apps.Start (ns.core.Seconds (1.0))
apps.Stop (ns.core.Seconds (10.0))
#
# Create a similar flow from n3 to n1, starting at time 1.1 seconds
#
onoff.SetAttribute ("Remote",
ns.network.AddressValue(ns.network.InetSocketAddress (i1i2.GetAddress (0), port)))
apps = onoff.Install (c.Get (3))
apps.Start (ns.core.Seconds (1.1))
apps.Stop (ns.core.Seconds (10.0))
#
# Create a packet sink to receive these packets
#
apps = sink.Install (c.Get (1))
apps.Start(ns.core.Seconds (1.1))
apps.Stop (ns.core.Seconds (10.0))
ascii = ns.network.AsciiTraceHelper ()
p2p.EnableAsciiAll (ascii.CreateFileStream ("simple-global-routing.tr"))
p2p.EnablePcapAll ("simple-global-routing")
#
#Flow Monitor
#
flowmonHelper = ns.flow_monitor.FlowMonitorHelper ()
if enableFlowMonitor:
flowmonHelper.InstallAll()
print ("Run Simulation.")
ns.core.Simulator.Stop (ns.core.Seconds (11))
ns.core.Simulator.Run ()
print ("Done.")
if enableFlowMonitor :
flowmonHelper.SerializeToXmlFile ("simple-global-routing.flowmon", False, False)
ns.core.Simulator.Destroy ()
def main(argv):
#
# First, we initialize a few local variables that control some
# simulation parameters.
#
cmd = ns.core.CommandLine()
cmd.backboneNodes = 10
cmd.infraNodes = 2
cmd.lanNodes = 2
cmd.stopTime = 20
#
# Simulation defaults are typically set next, before command line
# arguments are parsed.
#
ns.core.Config.SetDefault("ns3::OnOffApplication::PacketSize",
ns.core.StringValue("1472"))
ns.core.Config.SetDefault("ns3::OnOffApplication::DataRate",
ns.core.StringValue("100kb/s"))
#
# For convenience, we add the local variables to the command line argument
# system so that they can be overridden with flags such as
# "--backboneNodes=20"
#
cmd.AddValue("backboneNodes", "number of backbone nodes")
cmd.AddValue("infraNodes", "number of leaf nodes")
cmd.AddValue("lanNodes", "number of LAN nodes")
cmd.AddValue("stopTime", "simulation stop time(seconds)")
#
# The system global variables and the local values added to the argument
# system can be overridden by command line arguments by using this call.
#
cmd.Parse(argv)
backboneNodes = int(cmd.backboneNodes)
infraNodes = int(cmd.infraNodes)
lanNodes = int(cmd.lanNodes)
stopTime = int(cmd.stopTime)
if (stopTime < 10):
print("Use a simulation stop time >= 10 seconds")
exit(1)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Construct the backbone #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
#
# Create a container to manage the nodes of the adhoc(backbone) network.
# Later we'll create the rest of the nodes we'll need.
#
backbone = ns.network.NodeContainer()
backbone.Create(backboneNodes)
#
# Create the backbone wifi net devices and install them into the nodes in
# our container
#
wifi = ns.wifi.WifiHelper()
mac = ns.wifi.WifiMacHelper()
mac.SetType("ns3::AdhocWifiMac")
wifi.SetRemoteStationManager("ns3::ConstantRateWifiManager", "DataMode",
ns.core.StringValue("OfdmRate54Mbps"))
wifiPhy = ns.wifi.YansWifiPhyHelper.Default()
wifiChannel = ns.wifi.YansWifiChannelHelper.Default()
wifiPhy.SetChannel(wifiChannel.Create())
backboneDevices = wifi.Install(wifiPhy, mac, backbone)
#
# Add the IPv4 protocol stack to the nodes in our container
#
print("Enabling OLSR routing on all backbone nodes")
internet = ns.internet.InternetStackHelper()
olsr = ns.olsr.OlsrHelper()
internet.SetRoutingHelper(olsr)
# has effect on the next Install ()
internet.Install(backbone)
# re-initialize for non-olsr routing.
# internet.Reset()
#
# Assign IPv4 addresses to the device drivers(actually to the associated
# IPv4 interfaces) we just created.
#
ipAddrs = ns.internet.Ipv4AddressHelper()
ipAddrs.SetBase(ns.network.Ipv4Address("192.168.0.0"),
ns.network.Ipv4Mask("255.255.255.0"))
ipAddrs.Assign(backboneDevices)
#
# The ad-hoc network nodes need a mobility model so we aggregate one to
# each of the nodes we just finished building.
#
mobility = ns.mobility.MobilityHelper()
mobility.SetPositionAllocator("ns3::GridPositionAllocator", "MinX",
ns.core.DoubleValue(20.0), "MinY",
ns.core.DoubleValue(20.0), "DeltaX",
ns.core.DoubleValue(20.0), "DeltaY",
ns.core.DoubleValue(20.0), "GridWidth",
ns.core.UintegerValue(5), "LayoutType",
ns.core.StringValue("RowFirst"))
mobility.SetMobilityModel(
"ns3::RandomDirection2dMobilityModel", "Bounds",
ns.mobility.RectangleValue(ns.mobility.Rectangle(-500, 500, -500,
500)), "Speed",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=2]"),
"Pause",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=0.2]"))
mobility.Install(backbone)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Construct the LANs #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# Reset the address base-- all of the CSMA networks will be in
# the "172.16 address space
ipAddrs.SetBase(ns.network.Ipv4Address("172.16.0.0"),
ns.network.Ipv4Mask("255.255.255.0"))
for i in range(backboneNodes):
print("Configuring local area network for backbone node ", i)
#
# Create a container to manage the nodes of the LAN. We need
# two containers here; one with all of the new nodes, and one
# with all of the nodes including new and existing nodes
#
newLanNodes = ns.network.NodeContainer()
newLanNodes.Create(lanNodes - 1)
# Now, create the container with all nodes on this link
lan = ns.network.NodeContainer(
ns.network.NodeContainer(backbone.Get(i)), newLanNodes)
#
# Create the CSMA net devices and install them into the nodes in our
# collection.
#
csma = ns.csma.CsmaHelper()
csma.SetChannelAttribute(
"DataRate", ns.network.DataRateValue(ns.network.DataRate(5000000)))
csma.SetChannelAttribute("Delay",
ns.core.TimeValue(ns.core.MilliSeconds(2)))
lanDevices = csma.Install(lan)
#
# Add the IPv4 protocol stack to the new LAN nodes
#
internet.Install(newLanNodes)
#
# Assign IPv4 addresses to the device drivers(actually to the
# associated IPv4 interfaces) we just created.
#
ipAddrs.Assign(lanDevices)
#
# Assign a new network prefix for the next LAN, according to the
# network mask initialized above
#
ipAddrs.NewNetwork()
#
# The new LAN nodes need a mobility model so we aggregate one
# to each of the nodes we just finished building.
#
mobilityLan = ns.mobility.MobilityHelper()
positionAlloc = ns.mobility.ListPositionAllocator()
for j in range(newLanNodes.GetN()):
positionAlloc.Add(ns.core.Vector(0.0, (j * 10 + 10), 0.0))
mobilityLan.SetPositionAllocator(positionAlloc)
mobilityLan.PushReferenceMobilityModel(backbone.Get(i))
mobilityLan.SetMobilityModel("ns3::ConstantPositionMobilityModel")
mobilityLan.Install(newLanNodes)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Construct the mobile networks #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# Reset the address base-- all of the 802.11 networks will be in
# the "10.0" address space
ipAddrs.SetBase(ns.network.Ipv4Address("10.0.0.0"),
ns.network.Ipv4Mask("255.255.255.0"))
for i in range(backboneNodes):
print("Configuring wireless network for backbone node ", i)
#
# Create a container to manage the nodes of the LAN. We need
# two containers here; one with all of the new nodes, and one
# with all of the nodes including new and existing nodes
#
stas = ns.network.NodeContainer()
stas.Create(infraNodes - 1)
# Now, create the container with all nodes on this link
infra = ns.network.NodeContainer(
ns.network.NodeContainer(backbone.Get(i)), stas)
#
# Create another ad hoc network and devices
#
ssid = ns.wifi.Ssid('wifi-infra' + str(i))
wifiInfra = ns.wifi.WifiHelper()
wifiPhy.SetChannel(wifiChannel.Create())
wifiInfra.SetRemoteStationManager('ns3::ArfWifiManager')
macInfra = ns.wifi.WifiMacHelper()
macInfra.SetType("ns3::StaWifiMac", "Ssid", ns.wifi.SsidValue(ssid))
# setup stas
staDevices = wifiInfra.Install(wifiPhy, macInfra, stas)
# setup ap.
macInfra.SetType("ns3::ApWifiMac", "Ssid", ns.wifi.SsidValue(ssid))
apDevices = wifiInfra.Install(wifiPhy, macInfra, backbone.Get(i))
# Collect all of these new devices
infraDevices = ns.network.NetDeviceContainer(apDevices, staDevices)
# Add the IPv4 protocol stack to the nodes in our container
#
internet.Install(stas)
#
# Assign IPv4 addresses to the device drivers(actually to the associated
# IPv4 interfaces) we just created.
#
ipAddrs.Assign(infraDevices)
#
# Assign a new network prefix for each mobile network, according to
# the network mask initialized above
#
ipAddrs.NewNetwork()
#
# The new wireless nodes need a mobility model so we aggregate one
# to each of the nodes we just finished building.
#
subnetAlloc = ns.mobility.ListPositionAllocator()
for j in range(infra.GetN()):
subnetAlloc.Add(ns.core.Vector(0.0, j, 0.0))
mobility.PushReferenceMobilityModel(backbone.Get(i))
mobility.SetPositionAllocator(subnetAlloc)
mobility.SetMobilityModel(
"ns3::RandomDirection2dMobilityModel", "Bounds",
ns.mobility.RectangleValue(ns.mobility.Rectangle(-10, 10, -10,
10)), "Speed",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=3]"),
"Pause",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=0.4]"))
mobility.Install(stas)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Application configuration #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# Create the OnOff application to send UDP datagrams of size
# 210 bytes at a rate of 448 Kb/s, between two nodes
print("Create Applications.")
port = 9 # Discard port(RFC 863)
appSource = ns.network.NodeList.GetNode(backboneNodes)
lastNodeIndex = backboneNodes + backboneNodes * (
lanNodes - 1) + backboneNodes * (infraNodes - 1) - 1
appSink = ns.network.NodeList.GetNode(lastNodeIndex)
# Let's fetch the IP address of the last node, which is on Ipv4Interface 1
remoteAddr = appSink.GetObject(ns.internet.Ipv4.GetTypeId()).GetAddress(
1, 0).GetLocal()
onoff = ns.applications.OnOffHelper(
"ns3::UdpSocketFactory",
ns.network.Address(ns.network.InetSocketAddress(remoteAddr, port)))
apps = onoff.Install(ns.network.NodeContainer(appSource))
apps.Start(ns.core.Seconds(3))
apps.Stop(ns.core.Seconds(stopTime - 1))
# Create a packet sink to receive these packets
sink = ns.applications.PacketSinkHelper(
"ns3::UdpSocketFactory",
ns.network.InetSocketAddress(ns.network.Ipv4Address.GetAny(), port))
apps = sink.Install(ns.network.NodeContainer(appSink))
apps.Start(ns.core.Seconds(3))
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# Tracing configuration #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
print("Configure Tracing.")
csma = ns.csma.CsmaHelper()
#
# Let's set up some ns-2-like ascii traces, using another helper class
#
ascii = ns.network.AsciiTraceHelper()
stream = ascii.CreateFileStream("mixed-wireless.tr")
wifiPhy.EnableAsciiAll(stream)
csma.EnableAsciiAll(stream)
internet.EnableAsciiIpv4All(stream)
# Csma captures in non-promiscuous mode
csma.EnablePcapAll("mixed-wireless", False)
# Let's do a pcap trace on the backbone devices
wifiPhy.EnablePcap("mixed-wireless", backboneDevices)
wifiPhy.EnablePcap("mixed-wireless", appSink.GetId(), 0)
# #ifdef ENABLE_FOR_TRACING_EXAMPLE
# Config.Connect("/NodeList/*/$MobilityModel/CourseChange",
# MakeCallback(&CourseChangeCallback))
# #endif
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# #
# Run simulation #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
print("Run Simulation.")
ns.core.Simulator.Stop(ns.core.Seconds(stopTime))
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
def main(argv):
cmd = ns.core.CommandLine()
cmd.Parse(argv)
terminals = ns.network.NodeContainer()
terminals.Create(4)
csmaSwitch = ns.network.NodeContainer()
csmaSwitch.Create(1)
csma = ns.csma.CsmaHelper()
csma.SetChannelAttribute(
"DataRate", ns.network.DataRateValue(ns.network.DataRate(5000000)))
csma.SetChannelAttribute("Delay",
ns.core.TimeValue(ns.core.MilliSeconds(2)))
terminalDevices = ns.network.NetDeviceContainer()
switchDevices = ns.network.NetDeviceContainer()
for i in range(4):
link = csma.Install(
ns.network.NodeContainer(
ns.network.NodeContainer(terminals.Get(i)), csmaSwitch))
terminalDevices.Add(link.Get(0))
switchDevices.Add(link.Get(1))
switchNode = csmaSwitch.Get(0)
bridgeDevice = ns.bridge.BridgeNetDevice()
switchNode.AddDevice(bridgeDevice)
for portIter in range(switchDevices.GetN()):
bridgeDevice.AddBridgePort(switchDevices.Get(portIter))
internet = ns.internet.InternetStackHelper()
internet.Install(terminals)
ipv4 = ns.internet.Ipv4AddressHelper()
ipv4.SetBase(ns.network.Ipv4Address("10.1.1.0"),
ns.network.Ipv4Mask("255.255.255.0"))
ipv4.Assign(terminalDevices)
port = 9
onoff = ns.applications.OnOffHelper(
"ns3::UdpSocketFactory",
ns.network.Address(
ns.network.InetSocketAddress(ns.network.Ipv4Address("10.1.1.2"),
port)))
onoff.SetAttribute(
"OnTime", ns.core.RandomVariableValue(ns.core.ConstantVariable(1)))
onoff.SetAttribute(
"OffTime", ns.core.RandomVariableValue(ns.core.ConstantVariable(0)))
app = onoff.Install(ns.network.NodeContainer(terminals.Get(0)))
app.Start(ns.core.Seconds(1.0))
app.Stop(ns.core.Seconds(10.0))
sink = ns.applications.PacketSinkHelper(
"ns3::UdpSocketFactory",
ns.network.Address(
ns.network.InetSocketAddress(ns.network.Ipv4Address.GetAny(),
port)))
app = sink.Install(ns.network.NodeContainer(terminals.Get(1)))
app.Start(ns.core.Seconds(0.0))
onoff.SetAttribute(
"Remote",
ns.network.AddressValue(
ns.network.InetSocketAddress(ns.network.Ipv4Address("10.1.1.1"),
port)))
app = onoff.Install(ns.network.NodeContainer(terminals.Get(3)))
app.Start(ns.core.Seconds(1.1))
app.Stop(ns.core.Seconds(10.0))
app = sink.Install(ns.network.NodeContainer(terminals.Get(0)))
app.Start(ns.core.Seconds(0.0))
csma.EnablePcapAll("csma-bridge", False)
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
def main(argv):
#
# Allow the user to override any of the defaults and the above Bind() at
# run-time, via command-line arguments
#
cmd = ns.core.CommandLine()
cmd.Parse(argv)
#
# Explicitly create the nodes required by the topology(shown above).
#
#print "Create nodes."
terminals = ns.network.NodeContainer()
terminals.Create(4)
csmaSwitch = ns.network.NodeContainer()
csmaSwitch.Create(1)
#print "Build Topology"
csma = ns.csma.CsmaHelper()
csma.SetChannelAttribute(
"DataRate", ns.network.DataRateValue(ns.network.DataRate(5000000)))
csma.SetChannelAttribute("Delay",
ns.core.TimeValue(ns.core.MilliSeconds(2)))
# Create the csma links, from each terminal to the switch
terminalDevices = ns.network.NetDeviceContainer()
switchDevices = ns.network.NetDeviceContainer()
for i in range(4):
link = csma.Install(
ns.network.NodeContainer(
ns.network.NodeContainer(terminals.Get(i)), csmaSwitch))
terminalDevices.Add(link.Get(0))
switchDevices.Add(link.Get(1))
# Create the bridge netdevice, which will do the packet switching
switchNode = csmaSwitch.Get(0)
bridgeDevice = ns.bridge.BridgeNetDevice()
switchNode.AddDevice(bridgeDevice)
for portIter in range(switchDevices.GetN()):
bridgeDevice.AddBridgePort(switchDevices.Get(portIter))
# Add internet stack to the terminals
internet = ns.internet.InternetStackHelper()
internet.Install(terminals)
# We've got the "hardware" in place. Now we need to add IP addresses.
#
#print "Assign IP Addresses."
ipv4 = ns.internet.Ipv4AddressHelper()
ipv4.SetBase(ns.network.Ipv4Address("10.1.1.0"),
ns.network.Ipv4Mask("255.255.255.0"))
ipv4.Assign(terminalDevices)
#
# Create an OnOff application to send UDP datagrams from node zero to node 1.
#
#print "Create Applications."
port = 9 # Discard port(RFC 863)
onoff = ns.applications.OnOffHelper(
"ns3::UdpSocketFactory",
ns.network.Address(
ns.network.InetSocketAddress(ns.network.Ipv4Address("10.1.1.2"),
port)))
onoff.SetConstantRate(ns.network.DataRate("500kb/s"))
app = onoff.Install(ns.network.NodeContainer(terminals.Get(0)))
# Start the application
app.Start(ns.core.Seconds(1.0))
app.Stop(ns.core.Seconds(10.0))
# Create an optional packet sink to receive these packets
sink = ns.applications.PacketSinkHelper(
"ns3::UdpSocketFactory",
ns.network.Address(
ns.network.InetSocketAddress(ns.network.Ipv4Address.GetAny(),
port)))
app = sink.Install(ns.network.NodeContainer(terminals.Get(1)))
app.Start(ns.core.Seconds(0.0))
#
# Create a similar flow from n3 to n0, starting at time 1.1 seconds
#
onoff.SetAttribute(
"Remote",
ns.network.AddressValue(
ns.network.InetSocketAddress(ns.network.Ipv4Address("10.1.1.1"),
port)))
app = onoff.Install(ns.network.NodeContainer(terminals.Get(3)))
app.Start(ns.core.Seconds(1.1))
app.Stop(ns.core.Seconds(10.0))
app = sink.Install(ns.network.NodeContainer(terminals.Get(0)))
app.Start(ns.core.Seconds(0.0))
#
# Configure tracing of all enqueue, dequeue, and NetDevice receive events.
# Trace output will be sent to the file "csma-bridge.tr"
#
#print "Configure Tracing."
#ascii = ns.network.AsciiTraceHelper();
#csma.EnableAsciiAll(ascii.CreateFileStream ("csma-bridge.tr"));
#
# Also configure some tcpdump traces; each interface will be traced.
# The output files will be named:
# csma-bridge.pcap-<nodeId>-<interfaceId>
# and can be read by the "tcpdump -r" command(use "-tt" option to
# display timestamps correctly)
#
csma.EnablePcapAll("csma-bridge", False)
#
# Now, do the actual simulation.
#
#print "Run Simulation."
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
def main():
if not len(sys.argv[1:]):
print "Usage: {0} traceFile".format(sys.argv[0])
sys.exit(0)
traceFile = sys.argv[1]
phyMode = "OfdmRate6MbpsBW10MHz"
nodes = ns.network.NodeContainer()
nodes.Create(25)
# ns.core.LogComponentEnable("Ns2MobilityHelper", ns.core.LOG_LEVEL_DEBUG)
try:
ns2 = ns.mobility.Ns2MobilityHelper(str(traceFile))
except Exception as err:
print "Error: %s" % str(err)
sys.exit(0)
mobility = ns.mobility.MobilityHelper()
# mobility.SetPositionAllocator ("ns3::GridPositionAllocator", "MinX", ns.core.DoubleValue(0.0),
# "MinY", ns.core.DoubleValue (0.0), "DeltaX", ns.core.DoubleValue(5.0), "DeltaY", ns.core.DoubleValue(10.0),
# "GridWidth", ns.core.UintegerValue(3), "LayoutType", ns.core.StringValue("RowFirst"))
#
# mobility.SetMobilityModel ("ns3::ConstantPositionMobilityModel")
mobility.Install(nodes)
ns2.Install()
channel = ns.wifi.YansWifiChannelHelper.Default()
channel.SetPropagationDelay("ns3::ConstantSpeedPropagationDelayModel")
channel.AddPropagationLoss("ns3::NakagamiPropagationLossModel")
phy = ns.wifi.YansWifiPhyHelper.Default()
phy.SetChannel(channel.Create())
phy.SetPcapDataLinkType(ns.wifi.YansWifiPhyHelper.DLT_IEEE802_11)
phy.Set("TxGain", ns.core.DoubleValue(4.5))
phy.Set("RxGain", ns.core.DoubleValue(4.5))
phy.Set("EnergyDetectionThreshold", ns.core.DoubleValue(-96.0))
# phy.EnablePcap("vanets_python",nodes)
wifi80211pMac = ns.wave.NqosWaveMacHelper.Default()
wifi80211p = ns.wave.Wifi80211pHelper.Default()
wifi80211p.SetRemoteStationManager("ns3::ConstantRateWifiManager",
"DataMode",
ns.core.StringValue(phyMode),
"ControlMode",
ns.core.StringValue(phyMode))
devices = wifi80211p.Install(phy, wifi80211pMac, nodes)
internet = ns.internet.InternetStackHelper()
internet.Install(nodes)
ipv4 = ns.internet.Ipv4AddressHelper()
ipv4.SetBase(ns.network.Ipv4Address("192.168.1.0"),
ns.network.Ipv4Mask("255.255.255.0"))
interfaces = ipv4.Assign(devices)
packetsize = 64 #bytes
pktcount = 2
pktinterval = 0.25 #seconds
port = 80
server = random.randint(0, 24)
print "Server==> %s" % interfaces.GetAddress(server)
appSink = ns.network.NodeList.GetNode(server)
for x in range(4):
client = random.randint(0, 24)
print "Client==> %s" % interfaces.GetAddress(client)
appSource = ns.network.NodeList.GetNode(client)
remoteAddr = appSink.GetObject(
ns.internet.Ipv4.GetTypeId()).GetAddress(1, 0).GetLocal()
# sink = ns.network.Socket.CreateSocket(appSink, ns.core.TypeId.LookupByName("ns3::UdpSocketFactory"))
sink = ns.network.Socket.CreateSocket(
appSink, ns.core.TypeId.LookupByName("ns3::TcpSocketFactory"))
sink.Bind(
ns.network.InetSocketAddress(ns.network.Ipv4Address.GetAny(), 80))
sink.Listen()
# print dir(sink)
sink.SetRecvCallback(RecPkt)
# source = ns.network.Socket.CreateSocket(appSource, ns.core.TypeId.LookupByName("ns3::UdpSocketFactory"))
source = ns.network.Socket.CreateSocket(
appSource, ns.core.TypeId.LookupByName("ns3::TcpSocketFactory"))
source.Connect(ns.network.InetSocketAddress(remoteAddr, port))
source.SetRecvCallback(RecPkt)
# sinkApp = ns.network.ApplicationContainer()
# port = 50000
# # apLocalAddress = ns.network.Address (ns.network.InetSocketAddress (ns.network.Ipv4Address.GetAny (), port))
# for x in range(0,6):
# apLocalAddress = ns.network.Address (ns.network.InetSocketAddress (ns.network.Ipv4Address.GetAny (), port))
# packetSinkHelper = ns.applications.PacketSinkHelper ("ns3::TcpSocketFactory", apLocalAddress)
# sinkApp.Add(packetSinkHelper.Install (nodes.Get (x)))
#
# sinkApp.Start (ns.core.Seconds (0.0))
# sinkApp.Stop (ns.core.Seconds (141.0))
#
# onoff = ns.applications.OnOffHelper ("ns3::TcpSocketFactory", ns.network.Ipv4Address.GetAny ())
# onoff.SetAttribute ("OnTime", ns.core.StringValue ("ns3::ConstantRandomVariable[Constant=1]"))
# onoff.SetAttribute ("OffTime", ns.core.StringValue ("ns3::ConstantRandomVariable[Constant=0]"))
# onoff.SetAttribute ("PacketSize", ns.core.UintegerValue (2048))
# # onoff.SetAttribute ("DataRate", ns.network.DataRateValue (ns.network.DataRate (100000))) # bit/s
#
# apps = ns.network.ApplicationContainer ()
# # remoteAddress = ns.network.AddressValue (ns.network.InetSocketAddress (interfaces.GetAddress (0), port))
#
# for x in range(7,14):
# rn = random.randint(0,3)
# print "Server >>: {0}".format(rn)
# remoteAddress = ns.network.AddressValue (ns.network.InetSocketAddress (interfaces.GetAddress (rn), port))
# onoff.SetAttribute ("Remote", remoteAddress)
# apps.Add (onoff.Install (nodes.Get (x)))
#
# apps.Start (ns.core.Seconds (1.0))
# apps.Stop (ns.core.Seconds (141.0))
ns.internet.Ipv4GlobalRoutingHelper.PopulateRoutingTables()
asciitracer = ns.network.AsciiTraceHelper()
# phy.EnableAsciiAll (asciitracer.CreateFileStream ("vanets.tr"))
phy.EnablePcap("vanets", nodes)
ns.core.Simulator.Schedule(ns.core.Seconds(10.0), SndPkt, source,
packetsize, pktcount, pktinterval)
ns.core.Simulator.Stop(ns.core.Seconds(161.0))
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
def experiment(enableCtsRts):
# 0. Enable or disable CTS/RTS
ctsThr = 100 if enableCtsRts else 2200
ns.core.Config.SetDefault ("ns3::WifiRemoteStationManager::RtsCtsThreshold", ns.core.UintegerValue (ctsThr))
# 1. Create 3 nodes
nodes = ns.network.NodeContainer ()
nodes.Create (3)
# 2. Place nodes somehow, this is required by every wireless simulation
i = 0
while i < 3:
nodes.Get (i).AggregateObject (ns.mobility.ConstantPositionMobilityModel ())
i += 1
# 3. Create propagation loss matrix
lossModel = ns.propagation.MatrixPropagationLossModel ()
lossModel.SetDefaultLoss (200) #set default loss to 200 dB (no link)
lossModel.SetLoss (nodes.Get (0).GetObject (ns.mobility.MobilityModel.GetTypeId ()), nodes.Get (1).GetObject (ns.mobility.MobilityModel.GetTypeId ()), 50)
lossModel.SetLoss (nodes.Get (2).GetObject (ns.mobility.MobilityModel.GetTypeId ()), nodes.Get (1).GetObject (ns.mobility.MobilityModel.GetTypeId ()), 50)
# 4. Create & setup wifi channel
wifiChannel = ns.wifi.YansWifiChannel ()
wifiChannel.SetPropagationLossModel (lossModel)
wifiChannel.SetPropagationDelayModel (ns.propagation.ConstantSpeedPropagationDelayModel ())
# 5. Install wireless devices
wifi = ns.wifi.WifiHelper ()
wifi.SetStandard (ns.wifi.WIFI_PHY_STANDARD_80211b)
wifi.SetRemoteStationManager ("ns3::ConstantRateWifiManager",
"DataMode", ns.core.StringValue ("DsssRate2Mbps"),
"ControlMode", ns.core.StringValue ("DsssRate1Mbps"))
wifiPhy = ns.wifi.YansWifiPhyHelper.Default ()
wifiPhy.SetChannel (wifiChannel)
wifiMac = ns.wifi.NqosWifiMacHelper.Default ()
wifiMac.SetType ("ns3::AdhocWifiMac") # use ad-hoc MAC
devices = wifi.Install (wifiPhy,wifiMac,nodes)
# uncomment the following to have athstats output
# athstats=ns3.AthstatsHelper ()
# athstats.EnableAthstats ("rtscts-athstats-node-py" if enableCtsRts else "basic-athstats-node-py", nodes)
# uncomment the following to have pcap output
# wifiPhy.EnablePcap ("rtscts-pcap-node-py" if enableCtsRts else "basic-pcap-node-py",nodes)
# 6. Install TCP/IP stack & assign IP addresses
internet = ns.internet.InternetStackHelper ()
internet.Install (nodes)
ipv4 = ns.internet.Ipv4AddressHelper ()
ipv4.SetBase (ns.network.Ipv4Address ("10.0.0.0"), ns.network.Ipv4Mask ("255.0.0.0"))
ipv4.Assign (devices)
# 7. Install applications: two CBR streams each saturating the channel
cbrApps = ns.network.ApplicationContainer ()
cbrPort = 12345
onOffHelper = ns.applications.OnOffHelper ("ns3::UdpSocketFactory", ns.network.InetSocketAddress (ns.network.Ipv4Address ("10.0.0.2"), cbrPort))
onOffHelper.SetAttribute ("PacketSize", ns.core.UintegerValue (1400))
onOffHelper.SetAttribute ("OnTime", ns.core.StringValue ("ns3::ConstantRandomVariable[Constant=1]"))
onOffHelper.SetAttribute ("OffTime", ns.core.StringValue ("ns3::ConstantRandomVariable[Constant=0]"))
# flow 1: node 0 -> node 1
onOffHelper.SetAttribute ("DataRate", ns.core.StringValue ("3000000bps"))
onOffHelper.SetAttribute ("StartTime", ns.core.TimeValue (ns.core.Seconds (1.000000)))
cbrApps.Add (onOffHelper.Install (nodes.Get (0)))
# flow 2: node 2 -> node 1
# \internal
# The slightly different start times and data rates are a workaround
# for \bugid{388} and \bugid{912}
#
onOffHelper.SetAttribute ("DataRate", ns.core.StringValue ("3001100bps"))
onOffHelper.SetAttribute ("StartTime", ns.core.TimeValue (ns.core.Seconds (1.001)))
cbrApps.Add (onOffHelper.Install (nodes.Get (2)))
# \internal
# We also use separate UDP applications that will send a single
# packet before the CBR flows start.
# This is a workaround for the lack of perfect ARP, see \bugid{187}
#
echoPort = 9
echoClientHelper = ns.applications.UdpEchoClientHelper (ns.network.Ipv4Address ("10.0.0.2"), echoPort)
echoClientHelper.SetAttribute ("MaxPackets", ns.core.UintegerValue (1))
echoClientHelper.SetAttribute ("Interval", ns.core.TimeValue (ns.core.Seconds (0.1)))
echoClientHelper.SetAttribute ("PacketSize", ns.core.UintegerValue (10))
pingApps = ns.network.ApplicationContainer ()
# again using different start times to workaround Bug 388 and Bug 912
echoClientHelper.SetAttribute ("StartTime", ns.core.TimeValue (ns.core.Seconds (0.001)))
pingApps.Add (echoClientHelper.Install(nodes.Get (0)))
echoClientHelper.SetAttribute ("StartTime", ns.core.TimeValue (ns.core.Seconds (0.006)))
pingApps.Add (echoClientHelper.Install (nodes.Get (2)))
# 8. Install FlowMonitor on all nodes
flowmon = ns.flow_monitor.FlowMonitorHelper ()
monitor = flowmon.InstallAll ()
# 9. Run simulation for 10 seconds
ns.core.Simulator.Stop (ns.core.Seconds (10))
ns.core.Simulator.Run ()
# 10. Print per flow statistics
monitor.CheckForLostPackets ()
classifier = ns.flow_monitor.Ipv4FlowClassifier ()
classifier = flowmon.GetClassifier ()
stats = monitor.GetFlowStats ()
for flow_id, flow_stats in monitor.GetFlowStats ():
# first 2 FlowIds are for ECHO apps, we don't want to display them
# Duration for throughput measurement is 9.0 seconds, since
# StartTime of the OnOffApplication is at about "second 1"
# and
# Simulator::Stops at "second 10".
t = classifier.FindFlow(flow_id)
if flow_id > 2:
print "FlowID %i (%s -> %s)" % \
(flow_id-2, t.sourceAddress, t.destinationAddress)
print >> sys.stdout, " Tx Packets: ", flow_stats.txPackets
print >> sys.stdout, " Tx Bytes: ", flow_stats.txBytes
print >> sys.stdout, " TxOffered: ", flow_stats.txBytes * 8.0 / 9.0 / 1000 / 1000 , " Mbps"
print >> sys.stdout, " Rx Packets: ", flow_stats.rxPackets
print >> sys.stdout, " Rx Bytes: ", flow_stats.rxBytes
print >> sys.stdout, " Throughput: ", flow_stats.rxBytes * 8.0 / 9.0 / 1000 / 1000 , " Mbps"
# 11. Cleanup
ns.core.Simulator.Destroy ()
def main(argv):
#
# Primero, inicializamos algunas variables locales que controlan algunos
# parametros de la simulacion.
#
cmd = ns.core.CommandLine()
cmd.backboneNodes = 25
cmd.stopTime = 20
ns.core.Config.SetDefault("ns3::OnOffApplication::PacketSize",
ns.core.StringValue("1472"))
ns.core.Config.SetDefault("ns3::OnOffApplication::DataRate",
ns.core.StringValue("100kb/s"))
cmd.AddValue("backboneNodes", "number of backbone nodes")
cmd.AddValue("stopTime", "simulation stop time(seconds)")
cmd.Parse(argv)
backboneNodes = int(cmd.backboneNodes)
stopTime = int(cmd.stopTime)
if (stopTime < 10):
print("Use a simulation stop time >= 10 seconds")
exit(1)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
# #
# EL backbone #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # /
#
# Creamos un contenedor para administrar los nodos de la red adhoc (backbone).
#
backbone = ns.network.NodeContainer()
backbone.Create(backboneNodes)
#
# Creamos los dispositivos de red wifi y los instalamos
# en nuestro contenedor
#
wifi = ns.wifi.WifiHelper()
mac = ns.wifi.WifiMacHelper()
mac.SetType("ns3::AdhocWifiMac")
wifi.SetRemoteStationManager("ns3::ConstantRateWifiManager", "DataMode",
ns.core.StringValue("OfdmRate54Mbps"))
wifiPhy = ns.wifi.YansWifiPhyHelper.Default()
wifiChannel = ns.wifi.YansWifiChannelHelper.Default()
wifiPhy.SetChannel(wifiChannel.Create())
backboneDevices = wifi.Install(wifiPhy, mac, backbone)
#
# Agregamos la pila de protocolos IPv4 a los nodos en nuestro contenedor
#
internet = ns.internet.InternetStackHelper()
olsr = ns.olsr.OlsrHelper()
internet.SetRoutingHelper(olsr)
internet.Install(backbone)
# internet.Reset()
#
# Asignamos direcciones IPv4 a los controladores de dispositivo (en realidad a las interfaces
# IPv4 asociadas) que acabamos de crear.
#
ipAddrs = ns.internet.Ipv4AddressHelper()
ipAddrs.SetBase(ns.network.Ipv4Address("192.168.0.0"),
ns.network.Ipv4Mask("255.255.255.0"))
ipAddrs.Assign(backboneDevices)
#
# Los nodos de red ad-hoc necesitan un modelo de movilidad, por lo que agregamos uno para
# cada uno de los nodos que acabamos de terminar de construir.
#
mobility = ns.mobility.MobilityHelper()
mobility.SetPositionAllocator("ns3::GridPositionAllocator", "MinX",
ns.core.DoubleValue(20.0), "MinY",
ns.core.DoubleValue(20.0), "DeltaX",
ns.core.DoubleValue(20.0), "DeltaY",
ns.core.DoubleValue(20.0), "GridWidth",
ns.core.UintegerValue(5), "LayoutType",
ns.core.StringValue("RowFirst"))
mobility.SetMobilityModel(
"ns3::RandomDirection2dMobilityModel", "Bounds",
ns.mobility.RectangleValue(ns.mobility.Rectangle(-500, 500, -500,
500)), "Speed",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=2]"),
"Pause",
ns.core.StringValue("ns3::ConstantRandomVariable[Constant=0.2]"))
mobility.Install(backbone)
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# #
# Corremos la simulacion #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
print("Corremos la simulacion.")
ns.core.Simulator.Stop(ns.core.Seconds(stopTime))
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
