ns.network.Ipv4Mask("255.255.255.0"))
address.Assign(staDevices)
address.Assign(apDevices)
echoServer = ns.applications.UdpEchoServerHelper(9)
serverApps = echoServer.Install(csmaNodes.Get(nCsma))
serverApps.Start(ns.core.Seconds(1.0))
serverApps.Stop(ns.core.Seconds(10.0))
echoClient = ns.applications.UdpEchoClientHelper(
csmaInterfaces.GetAddress(nCsma), 9)
echoClient.SetAttribute("MaxPackets", ns.core.UintegerValue(1))
echoClient.SetAttribute("Interval", ns.core.TimeValue(ns.core.Seconds(1.0)))
echoClient.SetAttribute("PacketSize", ns.core.UintegerValue(1024))
clientApps = echoClient.Install(wifiStaNodes.Get(nWifi - 1))
clientApps.Start(ns.core.Seconds(2.0))
clientApps.Stop(ns.core.Seconds(10.0))
ns.internet.Ipv4GlobalRoutingHelper.PopulateRoutingTables()
ns.core.Simulator.Stop(ns.core.Seconds(10.0))
pointToPoint.EnablePcapAll("third")
phy.EnablePcap("third", apDevices.Get(0))
csma.EnablePcap("third", csmaDevices.Get(0), True)
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
ns.network.Ipv4Mask("255.255.255.0"))
p2pInterfaces1 = address.Assign(p2pDevices2)
echoServer = ns.applications.UdpEchoServerHelper(9)
serverApps = echoServer.Install(csmaNodes.Get(nCsma))
serverApps.Start(ns.core.Seconds(1.0))
serverApps.Stop(ns.core.Seconds(10.0))
echoClient = ns.applications.UdpEchoClientHelper(
csmaInterfaces.GetAddress(nCsma), 9)
echoClient.SetAttribute("MaxPackets", ns.core.UintegerValue(1))
echoClient.SetAttribute("Interval", ns.core.TimeValue(ns.core.Seconds(1.0)))
echoClient.SetAttribute("PacketSize", ns.core.UintegerValue(1024))
clientApps = echoClient.Install(p2pNodes.Get(0))
clientApps.Start(ns.core.Seconds(2.0))
clientApps.Stop(ns.core.Seconds(10.0))
clientApps = echoClient.Install(p2pNodes2.Get(1))
clientApps.Start(ns.core.Seconds(3.0))
clientApps.Stop(ns.core.Seconds(10.0))
ns.internet.Ipv4GlobalRoutingHelper.PopulateRoutingTables()
pointToPoint.EnablePcapAll("second")
csma.EnablePcap("second", csmaDevices.Get(1), True)
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
def run(self):
cmd = ns.core.CommandLine()
cmd.nCsma = 3
cmd.AddValue("nCsma", "Number of \"extra\" CSMA nodes/devices")
cmd.AddValue("verbose", "Tell echo applications to log if true")
cmd.Parse(sys.argv)
nCsma = int(cmd.nCsma)
nCsma = 1 if int(nCsma) == 0 else int(nCsma)
p2pNodes = ns.network.NodeContainer()
p2pNodes.Create(2)
csmaNodes = ns.network.NodeContainer()
csmaNodes.Add(p2pNodes.Get(1))
csmaNodes.Create(nCsma)
pointToPoint = ns.point_to_point.PointToPointHelper()
pointToPoint.SetDeviceAttribute("DataRate", ns.core.StringValue("5Mbps"))
pointToPoint.SetChannelAttribute("Delay", ns.core.StringValue("2ms"))
p2pDevices = pointToPoint.Install(p2pNodes)
csma = ns.csma.CsmaHelper()
csma.SetChannelAttribute("DataRate", ns.core.StringValue("100Mbps"))
csma.SetChannelAttribute("Delay", ns.core.TimeValue(ns.core.NanoSeconds(6560)))
csmaDevices = csma.Install(csmaNodes)
stack = ns.internet.InternetStackHelper()
stack.Install(p2pNodes.Get(0))
stack.Install(csmaNodes)
address = ns.internet.Ipv4AddressHelper()
address.SetBase(ns.network.Ipv4Address("10.1.1.0"), ns.network.Ipv4Mask("255.255.255.0"))
p2pInterfaces = address.Assign(p2pDevices)
address.SetBase(ns.network.Ipv4Address("10.1.2.0"), ns.network.Ipv4Mask("255.255.255.0"))
csmaInterfaces = address.Assign(csmaDevices)
echoServer = ns.applications.UdpEchoServerHelper(9)
echoClient = ns.applications.UdpEchoClientHelper(csmaInterfaces.GetAddress(nCsma), 9)
serverApps = echoServer.Install(csmaNodes.Get(nCsma))
serverApps.Start(ns.core.Seconds(1.0))
serverApps.Stop(ns.core.Seconds(10.0))
echoClient.SetAttribute("MaxPackets", ns.core.UintegerValue(1))
echoClient.SetAttribute("Interval", ns.core.TimeValue(ns.core.Seconds (1.0)))
echoClient.SetAttribute("PacketSize", ns.core.UintegerValue(1024))
clientApps = echoClient.Install(p2pNodes.Get(0))
clientApps.Start(ns.core.Seconds(2.0))
clientApps.Stop(ns.core.Seconds(10.0))
ns.internet.Ipv4GlobalRoutingHelper.PopulateRoutingTables()
pointToPoint.EnablePcapAll("second")
csma.EnablePcap ("second", csmaDevices.Get (1), True)
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()