r1 = ns.nodes.CreatObject()
r2 = ns.nodes.CreatObject()
sta2 = ns.nodes.CreatObject()
net1 = ns.network.NodeContainer(stal, r1, r2)
net2 = ns.network.NodeContainer(r2, sta2)
all1 = ns.network.NodeContainer(
stal, r1, r2,
sta2) #all is python keyword hence all1 is used instead of all.
internetv6 = ns.internet.InternetStackHelper()
internetv6.Install(all1)
print "Create channels."
csma = ns.csma.CsmaHelper()
csma.SetChannelAttribute("DataRate", ns.core.DataRateValue(5000000))
csma.SetChannelAttribute("Delay",
ns.core.TimeValue(ns.core.MilliSeconds(6560)))
ndc1 = csma.Install(net1)
ndc2 = csma.Install(net2)
print "Assign IPv6 Addresses."
ipv6 = ns.internet.Ipv6AddressHelper()
ipv6.SetBase(ns.network.Ipv6Address("2001:1::"), ns.network.Ipv6Prefix(64))
iic1 = ipv6.Assign(ndc1)
iic1.SetForwarding(2, True)
iic1.SetForwarding(1, True)
iic1.SetDefaultRouteInAllNodes(1)
ipv6.SetBase(ns.network.Ipv6Address("2001:2::"), ns.network.Ipv6Prefix(64))
def main(argv):
print("RadvdExample")
cmd = ns.core.CommandLine()
cmd.AddValue("verbose", "turn on log components")
cmd.verbose = False
cmd.Parse(argv)
verbose = bool(cmd.verbose)
if verbose:
ns.core.LogComponentEnable("Ipv6L3Protocol", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Ipv6RawSocketImpl", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Icmpv6L4Protocol", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Ipv6StaticRouting", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Ipv6Interface", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("RadvdApplication", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Ping6Application", ns.core.LOG_LEVEL_ALL)
print("Create nodes.")
n0 = ns.network.Node()
r = ns.network.Node()
n1 = ns.network.Node()
net1 = ns.network.NodeContainer()
net1.Add(n0)
net1.Add(r)
net2 = ns.network.NodeContainer()
net2.Add(r)
net2.Add(n1)
all = ns.network.NodeContainer()
all.Add(n0)
all.Add(r)
all.Add(n1)
print("Create IPv6 Internet Stack")
internetv6 = ns.internet.InternetStackHelper()
internetv6.Install(all)
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)))
d1 = csma.Install(net1) # n0 - R
d2 = csma.Install(net2) # R - n1
print("Create networks and assign IPv6 Addresses.")
ipv6 = ns.internet.Ipv6AddressHelper()
# first subnet
ipv6.SetBase(ns.network.Ipv6Address("2001:1::"), ns.network.Ipv6Prefix(64))
tmp = ns.network.NetDeviceContainer()
tmp.Add(d1.Get(0)) # n0
iic1 = ipv6.AssignWithoutAddress(tmp) # n0 interface
tmp2 = ns.network.NetDeviceContainer()
tmp2.Add(d1.Get(1)) # R
iicr1 = ipv6.Assign(
tmp2) # R interface to the first subnet is just statically assigned
iicr1.SetForwarding(0, True)
iic1.Add(iicr1)
# second subnet R - n1
ipv6.SetBase(ns.network.Ipv6Address("2001:2::"), ns.network.Ipv6Prefix(64))
tmp3 = ns.network.NetDeviceContainer()
tmp3.Add(d2.Get(0)) # R
iicr2 = ipv6.Assign(tmp3) # R interface
iicr2.SetForwarding(0, True)
tmp4 = ns.network.NetDeviceContainer()
tmp4.Add(d2.Get(1)) # n1
iic2 = ipv6.AssignWithoutAddress(tmp4)
iic2.Add(iicr2)
# radvd configuration
radvdHelper = ns.internet_apps.RadvdHelper()
# R interface (n0 - R)
# n0 will receive unsolicited (periodic) RA
radvdHelper.AddAnnouncedPrefix(iic1.GetInterfaceIndex(1),
ns.network.Ipv6Address("2001:1::0"), 64)
# R interface (R - n1)
# n1 will have to use RS, as RA are not sent automatically
radvdHelper.AddAnnouncedPrefix(iic2.GetInterfaceIndex(1),
ns.network.Ipv6Address("2001:2::0"), 64)
radvdHelper.GetRadvdInterface(
iic2.GetInterfaceIndex(1)).SetSendAdvert(False)
radvdApps = radvdHelper.Install(r)
radvdApps.Start(ns.core.Seconds(1.0))
radvdApps.Stop(ns.core.Seconds(10.0))
# Create a Ping6 application to send ICMPv6 echo request from n0 to n1 via R
packetSize = 1024
maxPacketCount = 5
interPacketInterval = ns.core.Seconds(1.)
ping6 = ns.internet_apps.Ping6Helper()
# ping6.SetLocal (iic1.GetAddress (0, 1));
ping6.SetRemote(ns.network.Ipv6Address("2001:2::200:ff:fe00:4")
) # should be n1 address after autoconfiguration
ping6.SetIfIndex(iic1.GetInterfaceIndex(0))
ping6.SetAttribute("MaxPackets", ns.core.UintegerValue(maxPacketCount))
ping6.SetAttribute("Interval", ns.core.TimeValue(interPacketInterval))
ping6.SetAttribute("PacketSize", ns.core.UintegerValue(packetSize))
apps = ping6.Install(ns.network.NodeContainer(net1.Get(0)))
apps.Start(ns.core.Seconds(2.0))
apps.Stop(ns.core.Seconds(7.0))
ascii = ns.network.AsciiTraceHelper()
csma.EnableAsciiAll(ascii.CreateFileStream("radvd.tr"))
csma.EnablePcapAll("radvd", True)
print("Run Simulation.")
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
print("Done.")
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):
#
# 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):
#
# 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()
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)
#We create the channels first without any IP addressing information
print("Create channels.")
csma = ns.csma.CsmaHelper()
csma.SetChannelAttribute("DataRate", ns.core.StringValue("5Mbps"))
csma.SetChannelAttribute("Delay", ns.core.StringValue("2ms"))
d2345 = csma.Install(n2345)
#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"))
ipv4.Assign(d0d2)
ipv4.SetBase(ns.network.Ipv4Address("10.1.2.0"),
ns.network.Ipv4Mask("255.255.255.0"))
ipv4.Assign(d1d2)
ipv4.SetBase(ns.network.Ipv4Address("10.1.3.0"),
cmd = ns.core.CommandLine ()
cmd.MaxNodes = 4
cmd.runtime = 3
cmd.AddValue ("nodes", "Number of nodes in the network (must be > 1)")
cmd.AddValue ("runtime", "How long the applications should send data (default 3 seconds)")
cmd.Parse (sys.argv)
ns.core.Config.SetDefault("ns3::OnOffApplication::PacketSize",ns.core.UintegerValue(2048))
ns.core.Config.SetDefault("ns3::OnOffApplication::DataRate",ns.core.StringValue ("8kbps"))
if cmd.MaxNodes < 2 :
print("Error: --nodes: must be >= 2 \n " )
sys.exit(0)
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));
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):
cmd = ns.core.CommandLine()
cmd.Parse(argv)
print "Create nodes"
n0 = ns.network.Node()
r = ns.network.Node()
n1 = ns.network.Node()
net1 = ns.network.NodeContainer()
net1.Add(n0)
net1.Add(r)
net2 = ns.network.NodeContainer()
net2.Add(r)
net2.Add(n1)
all = ns.network.NodeContainer()
all.Add(n0)
all.Add(r)
all.Add(n1)
internetv6 = ns.internet.InternetStackHelper()
internetv6.Install(all)
csma = ns.csma.CsmaHelper()
csma.SetChannelAttribute(
"DataRate", ns.network.DataRateValue(ns.network.DataRate(5000000)))
csma.SetChannelAttribute("Delay",
ns.core.TimeValue(ns.core.MilliSeconds(2)))
d1 = csma.Install(net1)
d2 = csma.Install(net2)
print "Addressing"
ipv6 = ns.internet.Ipv6AddressHelper()
ipv6.NewNetwork(ns.network.Ipv6Address("2001:1::"),
ns.network.Ipv6Prefix(64))
i1 = ipv6.Assign(d1)
i1.SetRouter(1, True)
ipv6.NewNetwork(ns.network.Ipv6Address("2001:2::"),
ns.network.Ipv6Prefix(64))
i2 = ipv6.Assign(d2)
i2.SetRouter(0, True)
print "Application"
packetSize = 1024
maxPacketCount = 5
interPacketInterval = ns.core.Seconds(1.)
ping6 = ns.applications.Ping6Helper()
ping6.SetLocal(i1.GetAddress(0, 1))
ping6.SetRemote(i2.GetAddress(1, 1))
ping6.SetAttribute("MaxPackets", ns.core.UintegerValue(maxPacketCount))
ping6.SetAttribute("Interval", ns.core.TimeValue(interPacketInterval))
ping6.SetAttribute("PacketSize", ns.core.UintegerValue(packetSize))
apps = ping6.Install(ns.network.NodeContainer(net1.Get(0)))
apps.Start(ns.core.Seconds(2.0))
apps.Stop(ns.core.Seconds(20.0))
print "Tracing"
ascii = ns.network.AsciiTraceHelper()
csma.EnableAsciiAll(ascii.CreateFileStream("simple-routing-ping6.tr"))
csma.EnablePcapAll("simple-routing-ping6", True)
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
Net6.Add(d)
Net7 = ns.network.NodeContainer()
Net7.Add(b)
Net7.Add(dst)
routers = ns.network.NodeContainer()
routers.Add(a)
routers.Add(b)
routers.Add(c)
routers.Add(d)
nodes = ns.network.NodeContainer()
nodes.Add(src)
nodes.Add(dst)
print "Create channels."
csma = ns.csma.CsmaHelper()
csma.SetChannelAttribute("DataRate", ns.core.StringValue('5000000'))
csma.SetChannelAttribute("Delay", ns.core.StringValue('0.02'))
ndc1 = ns.network.NetDeviceContainer()
ndc1 = csma.Install(Net1)
ndc2 = ns.network.NetDeviceContainer()
ndc2 = csma.Install(Net2)
ndc3 = ns.network.NetDeviceContainer()
ndc3 = csma.Install(Net3)
ndc4 = ns.network.NetDeviceContainer()
ndc4 = csma.Install(Net4)
ndc5 = ns.network.NetDeviceContainer()
ndc5 = csma.Install(Net5)
ndc6 = ns.network.NetDeviceContainer()
ndc6 = csma.Install(Net6)
ndc7 = ns.network.NetDeviceContainer()
ndc7 = csma.Install(Net7)
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 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()
def run_tapcsma(self):
mode = "ConfigureLocal"
tapName = "thetap"
cmd = ns.core.CommandLine()
cmd.AddValue("mode", "Mode setting of TapBridge", mode)
cmd.AddValue("tapName", "Name of the OS tap device", tapName)
cmd.Parse(sys.argv)
# CommandLine cmd;
# cmd.AddValue ("mode", "Mode setting of TapBridge", mode);
# cmd.AddValue ("tapName", "Name of the OS tap device", tapName);
# cmd.Parse (argc, argv);
# GlobalValue::Bind ("SimulatorImplementationType", StringValue ("ns3::RealtimeSimulatorImpl"));
# GlobalValue::Bind ("ChecksumEnabled", BooleanValue (true));
# NodeContainer nodes;
# nodes.Create (4);
nodes = ns.network.NodeContainer()
nodes.Create(2)
# CsmaHelper csma;
# csma.SetChannelAttribute ("DataRate", DataRateValue (5000000));
# csma.SetChannelAttribute ("Delay", TimeValue (MilliSeconds (2)));
csma = ns.csma.CsmaHelper()
csma.SetChannelAttribute("DataRate", ns.core.StringValue("5Mbps"))
csma.SetChannelAttribute("Delay", ns.core.TimeValue(ns.core.MilliSeconds (2)))
# NetDeviceContainer devices = csma.Install (nodes);
devices = csma.Install(nodes)
# InternetStackHelper stack;
# stack.Install (nodes);
stack = ns.internet.InternetStackHelper()
stack.Install(nodes)
# Ipv4AddressHelper addresses;
# addresses.SetBase ("10.1.1.0", "255.255.255.0");
# Ipv4InterfaceContainer interfaces = addresses.Assign (devices);
address = ns.internet.Ipv4AddressHelper()
address.SetBase(ns.network.Ipv4Address("10.1.1.0"), ns.network.Ipv4Mask("255.255.255.0"))
p2pInterfaces = address.Assign(devices)
# TapBridgeHelper tapBridge;
# tapBridge.SetAttribute ("Mode", StringValue (mode));
# tapBridge.SetAttribute ("DeviceName", StringValue (tapName));
# tapBridge.Install (nodes.Get (0), devices.Get (0));
tapBridge = ns.bridge.BridgeHelper()
tapBridge.SetAttribute("Mode", ns.core.StringValue (mode))
tapBridge.SetAttribute("DeviceName", ns.core.StringValue (tapName))
tapBridge.Install(nodes.Get (0), devices.Get (0))
# csma.EnablePcapAll ("tap-csma", false);
csma.EnablePcapAll("tap-csma", false)
# Ipv4GlobalRoutingHelper::PopulateRoutingTables ();
# Simulator::Stop (Seconds (60.));
# Simulator::Run ();
# Simulator::Destroy ();
ns.core.Simulator.Stop(ns.core.Seconds(60.0))
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
pass
n0 = ns.network.CreateObject < Node > ()
r = ns.network.CreateObject < Node > ()
n1 = ns.network.CreateObject < Node > ()
net1 = ns.network.NodeContainer(n0, r)
net2 = ns.network.NodeContainer(r, n1)
allnet = ns.network.NodeContainer(n0, r,
n1) # allnet is like all in cpp program
print "Create IPv6 Internet Stack"
internetv6 = ns.internet.InternetStackHelper()
internetv6.Install(all)
print "Create channels."
csma = ns.csma.CsmaHelper()
csma.SetChannelAttribute("DataRate", DataRateValue(5000000))
csma.SetChannelAttribute("Delay", TimeValue(MilliSeconds(2)))
d1 = csma.Install(net1) #/* n0 - R */
d2 = csma.Install(net2) #/* R - n1 */
print "Create networks and assign IPv6 Addresses."
ipv6 = ns.internet.Ipv6AddressHelper
#/* first subnet */
ipv6.SetBase(ns.network.Ipv6Address("2001:1::"), ns.network.Ipv6Prefix(64))
tmp = ns.network.NetDeviceContainer()
tmp.Add(d1.Get(0)) #/* n0 */
iic1 = ns.internet.Ipv6InterfaceContainer()
iic1 = ipv6.AssignWithoutAddress(tmp) #/* n0 interface */
tmp2 = ns.network.NetDeviceContainer()
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.")
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):
print("FragmentationIpv6Example")
cmd = ns.core.CommandLine()
cmd.AddValue("verbose", "turn on log components")
cmd.verbose = False
cmd.Parse(argv)
verbose = bool(cmd.verbose)
if verbose:
ns.core.LogComponentEnable("Ipv6L3Protocol", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Icmpv6L4Protocol", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Ipv6StaticRouting", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Ipv6Interface", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Ping6Application", ns.core.LOG_LEVEL_ALL)
print("Create nodes.")
n0 = ns.network.Node()
r = ns.network.Node()
n1 = ns.network.Node()
net1 = ns.network.NodeContainer()
net1.Add(n0)
net1.Add(r)
net2 = ns.network.NodeContainer()
net2.Add(r)
net2.Add(n1)
all = ns.network.NodeContainer()
all.Add(n0)
all.Add(r)
all.Add(n1)
print("Create IPv6 Internet Stack")
internetv6 = ns.internet.InternetStackHelper()
internetv6.Install(all)
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)))
d1 = csma.Install(net1)
d2 = csma.Install(net2)
print("Create networks and assign IPv6 Addresses.")
ipv6 = ns.internet.Ipv6AddressHelper()
ipv6.SetBase(ns.network.Ipv6Address("2001:1::"), ns.network.Ipv6Prefix(64))
i1 = ipv6.Assign(d1)
i1.SetForwarding(1, True)
i1.SetDefaultRouteInAllNodes(1)
ipv6.SetBase(ns.network.Ipv6Address("2001:2::"), ns.network.Ipv6Prefix(64))
i2 = ipv6.Assign(d2)
i2.SetForwarding(0, True)
i2.SetDefaultRouteInAllNodes(0)
routingHelper = ns.internet.Ipv6StaticRoutingHelper()
routingStream = ns.network.OutputStreamWrapper("fragmentation-ipv6.routes",
ns.network.STD_IOS_OUT)
routingHelper.PrintRoutingTableAt(ns.core.Seconds(0), n0, routingStream)
# Create a Ping6 application to send ICMPv6 echo request from n0 to n1 via r
packetSize = 4096
maxPacketCount = 5
interPacketInterval = ns.core.Seconds(1.0)
ping6 = ns.internet_apps.Ping6Helper()
ping6.SetLocal(i1.GetAddress(0, 1))
ping6.SetRemote(i2.GetAddress(1, 1))
ping6.SetAttribute("MaxPackets", ns.core.UintegerValue(maxPacketCount))
ping6.SetAttribute("Interval", ns.core.TimeValue(interPacketInterval))
ping6.SetAttribute("PacketSize", ns.core.UintegerValue(packetSize))
apps = ping6.Install(ns.network.NodeContainer(net1.Get(0)))
apps.Start(ns.core.Seconds(2.0))
apps.Stop(ns.core.Seconds(20.0))
ascii = ns.network.AsciiTraceHelper()
csma.EnableAsciiAll(ascii.CreateFileStream("fragmentation-ipv6.tr"))
csma.EnablePcapAll("fragmentation-ipv6", True)
print("Run Simulation.")
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
print("Done.")
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()
def main(argv):
cmd = ns.core.CommandLine()
cmd.AddValue ("verbose", "turn on log components")
cmd.verbose = False
cmd.Parse(argv)
verbose = bool(cmd.verbose)
if verbose :
ns.core.LogComponentEnable("Icmpv6RedirectExample", ns.core.LOG_LEVEL_INFO)
ns.core.LogComponentEnable("Icmpv6L4Protocol", ns.core.LOG_LEVEL_INFO)
ns.core.LogComponentEnable("Ipv6L3Protocol", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Ipv6StaticRouting", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Ipv6Interface", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Icmpv6L4Protocol", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("NdiscCache", ns.core.LOG_LEVEL_ALL)
print ("Creat nodes.")
sta1 = ns.network.Node()
r1 = ns.network.Node()
r2 = ns.network.Node()
sta2 = ns.network.Node()
net1 = ns.network.NodeContainer()
net1.Add(sta1)
net1.Add(r1)
net1.Add(r2)
net2 = ns.network.NodeContainer()
net2.Add(r2)
net2.Add(sta2)
all = ns.network.NodeContainer()
all.Add(sta1)
all.Add(r1)
all.Add(r2)
all.Add(sta2)
internetv6 = ns.internet.InternetStackHelper()
internetv6.Install(all)
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)))
ndc1 = csma.Install(net1)
ndc2 = csma.Install(net2)
print ("Assign IPv6 Addresses.")
ipv6 = ns.internet.Ipv6AddressHelper()
ipv6.SetBase (ns.network.Ipv6Address ("2001:1::"), ns.network.Ipv6Prefix (64))
iic1 = ipv6.Assign (ndc1)
iic1.SetForwarding (2, True)
iic1.SetForwarding (1, True)
iic1.SetDefaultRouteInAllNodes (1)
ipv6.SetBase (ns.network.Ipv6Address ("2001:2::"), ns.network.Ipv6Prefix (64))
iic2 = ipv6.Assign (ndc2)
iic2.SetForwarding (0, True)
iic2.SetDefaultRouteInAllNodes (0)
routingHelper = ns.internet.Ipv6StaticRoutingHelper()
# manually inject a static route to the second router.
routing = routingHelper.GetStaticRouting (r1.GetObject(ns.internet.Ipv6.GetTypeId()))
routing.AddHostRouteTo (iic2.GetAddress (1, 1), iic1.GetAddress (2, 0), iic1.GetInterfaceIndex (1))
routingStream = ns.network.OutputStreamWrapper ("icmpv6-redirect.routes", ns.network.STD_IOS_OUT)
routingHelper.PrintRoutingTableAt (ns.core.Seconds (0.0), r1, routingStream)
routingHelper.PrintRoutingTableAt (ns.core.Seconds (3.0), sta1, routingStream)
print ("Create Applications.")
packetSize = 1024
maxPacketCount = 5
interPacketInterval = ns.core.Seconds (1.)
ping6 = ns.internet_apps.Ping6Helper()
ping6.SetLocal (iic1.GetAddress (0, 1))
ping6.SetRemote (iic2.GetAddress (1, 1))
ping6.SetAttribute ("MaxPackets", ns.core.UintegerValue (maxPacketCount))
ping6.SetAttribute ("Interval", ns.core.TimeValue (interPacketInterval))
ping6.SetAttribute ("PacketSize", ns.core.UintegerValue (packetSize))
apps = ping6.Install(ns.network.NodeContainer(sta1))
apps.Start (ns.core.Seconds (2.0))
apps.Stop (ns.core.Seconds (10.0))
ascii = ns.network.AsciiTraceHelper()
csma.EnableAsciiAll (ascii.CreateFileStream ("icmpv6-redirect.tr"))
csma.EnablePcapAll ("icmpv6-redirect", True)
# Now, do the actual simulation.
print ("Run Simulation.")
ns.core.Simulator.Run ()
ns.core.Simulator.Destroy ()
print ("Done.")
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
#
# ns.core.LogComponentEnable("UdpEchoClientApplication", ns.core.LOG_LEVEL_ALL)
# ns.core.LogComponentEnable("UdpEchoServerApplication", ns.core.LOG_LEVEL_ALL)
#
# Allow the user to override any of the defaults at
# run-time, via command-line arguments
#
cmd = ns.core.CommandLine ()
cmd.useIpv6 = "False"
cmd.AddValue ("useIpv6", "Use Ipv6")
cmd.Parse (argv)
#
# Explicitly create the nodes required by the topology (shown above).
#
print ("Create nodes.")
n = ns.network.NodeContainer ()
n.Create (4)
internetstack = ns.internet.InternetStackHelper ()
internetstack.Install (n)
#
# Explicitly create the channels required by the topology (shown above).
#
print ("Create channels.")
csma = ns.csma.CsmaHelper ()
csma.SetChannelAttribute ("DataRate", ns.core.StringValue ("5000000"))
csma.SetChannelAttribute ("Delay", ns.core.TimeValue (ns.core.MilliSeconds (2)))
csma.SetDeviceAttribute ("Mtu", ns.core.UintegerValue (1400))
d = csma.Install (n)
#
# We've got the "hardware" in place. Now we need to add IP addresses.
#
print ("Assign IP Addresses.")
if (cmd.useIpv6 == "False"):
ipv4 = ns.internet.Ipv4AddressHelper ()
ipv4.SetBase (ns.network.Ipv4Address ("10.1.1.0"), ns.network.Ipv4Mask ("255.255.255.0"))
i = ipv4.Assign (d)
serverAddress = ns.network.Address (i.GetAddress (1))
else:
ipv6 = ns.internet.Ipv6AddressHelper ()
ipv6.SetBase (ns.network.Ipv6Address ("2001:0000:f00d:cafe::"), ns.network.Ipv6Prefix (64))
i6 = ipv6.Assign (d)
serverAddress = ns.network.Address (i6.GetAddress (1, 1))
print ("Create Applications.")
#
# Create a UdpEchoServer application on node one.
#
port = 9 # well-known echo port number
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))
#
# Create a UdpEchoClient application to send UDP datagrams from node zero to
# node one
#
packetSize = 1024
maxPacketCount = 1
interPacketInterval = ns.core.Seconds (1.0)
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 (packetSize))
apps = client.Install (n.Get (0))
apps.Start (ns.core.Seconds (2.0))
apps.Stop (ns.core.Seconds (10.0))
#
# Users may find it convenient to initialize echo packets with actual data;
# the below lines suggest how to do this
#
# client.SetFill (apps.Get (0), "Hello World")
#
# client.SetFill (apps.Get (0), 0xa5, 1024)
#
# Following does not work as intended.
# fill = [0, 1, 2, 3, 4, 5, 6]
# client.SetFill (apps.Get (0), fill[0], 1024)
asciitracer = ns.network.AsciiTraceHelper ()
csma.EnableAsciiAll (asciitracer.CreateFileStream ("udp-echo-py.tr"))
csma.EnablePcapAll ("udp-echo-py", False)
#
# Now, do the actual simulation.
#
print ("Run Simulation.")
ns.core.Simulator.Run ()
ns.core.Simulator.Destroy ()
print ("Done.")
def main(argv):
cmd = ns.core.CommandLine();
cmd.Parse(argv);
# Create nodes
print "Create nodes"
n0 = ns.network.Node();
r = ns.network.Node();
n1 = ns.network.Node();
net1 = ns.network.NodeContainer();
net1.Add(n0);
net1.Add(r);
net2 = ns.network.NodeContainer();
net2.Add(r);
net2.Add(n1);
all = ns.network.NodeContainer();
all.Add(n0);
all.Add(r);
all.Add(n1);
# Create IPv6 Internet Stack
internetv6 = ns.internet.InternetStackHelper();
internetv6.Install(all);
# 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)));
d1 = csma.Install(net1);
d2 = csma.Install(net2);
# Create networks and assign IPv6 Addresses
print "Addressing"
ipv6 = ns.internet.Ipv6AddressHelper();
ipv6.SetBase(ns.network.Ipv6Address("2001:1::"), ns.network.Ipv6Prefix(64));
i1 = ipv6.Assign(d1);
i1.SetForwarding(1, True);
i1.SetDefaultRouteInAllNodes(1);
ipv6.SetBase(ns.network.Ipv6Address("2001:2::"), ns.network.Ipv6Prefix(64));
i2 = ipv6.Assign(d2);
i2.SetForwarding(0, True);
i2.SetDefaultRouteInAllNodes(0);
# Create a Ping6 application to send ICMPv6 echo request from n0 to n1 via r
print "Application"
packetSize = 1024;
maxPacketCount = 5;
interPacketInterval = ns.core.Seconds(1.);
ping6 = ns.applications.Ping6Helper();
ping6.SetLocal(i1.GetAddress(0, 1));
ping6.SetRemote(i2.GetAddress(1, 1));
ping6.SetAttribute("MaxPackets", ns.core.UintegerValue(maxPacketCount));
ping6.SetAttribute("Interval", ns.core.TimeValue(interPacketInterval));
ping6.SetAttribute("PacketSize", ns.core.UintegerValue(packetSize));
apps = ping6.Install(ns.network.NodeContainer(net1.Get(0)));
apps.Start(ns.core.Seconds(2.0));
apps.Stop(ns.core.Seconds(20.0));
print "Tracing"
ascii = ns.network.AsciiTraceHelper()
csma.EnableAsciiAll(ascii.CreateFileStream("simple-routing-ping6.tr"))
csma.EnablePcapAll("simple-routing-ping6", True)
# Run Simulation
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()
p2pNodes2.Create(2)
csmaNodes = ns.network.NodeContainer()
csmaNodes.Add(p2pNodes.Get(1))
csmaNodes.Add(p2pNodes2.Get(0))
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)
p2pDevices2 = pointToPoint.Install(p2pNodes2)
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)
stack.Install(p2pNodes2.Get(1))
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"),
def main(argv):
print("Ping6Example")
cmd = ns.core.CommandLine()
cmd.AddValue("verbose", "turn on log components")
cmd.verbose = False
cmd.Parse(argv)
verbose = bool(cmd.verbose)
if verbose:
ns.core.LogComponentEnable("Ping6Example", ns.core.LOG_LEVEL_INFO)
ns.core.LogComponentEnable("Ipv6EndPointDemux", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Ipv6L3Protocol", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Ipv6StaticRouting", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Ipv6ListRouting", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Ipv6Interface", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Icmpv6L4Protocol", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("Ping6Application", ns.core.LOG_LEVEL_ALL)
ns.core.LogComponentEnable("NdiscCache", ns.core.LOG_LEVEL_ALL)
print("Create nodes.")
n = ns.network.NodeContainer()
n.Create(4)
# Install IPv4/IPv6 stack
internetv6 = ns.internet.InternetStackHelper()
internetv6.SetIpv4StackInstall(False)
internetv6.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)))
d = csma.Install(n)
ipv6 = ns.internet.Ipv6AddressHelper()
print("Assign IPv6 addresses")
i = ipv6.Assign(d)
print("Create applications.")
# Create a Ping6 application to send ICMPv6 echo request from node zero to
# all-nodes (ff02::1).
#
packetSize = 1024
maxPacketCount = 5
interPacketInterval = ns.core.Seconds(1.)
ping6 = ns.internet_apps.Ping6Helper()
# ping6.SetLocal (i.GetAddress (0, 1))
# ping6.SetRemote(i.GetAddress(1, 1))
ping6.SetIfIndex(i.GetInterfaceIndex(0))
ping6.SetRemote(ns.network.Ipv6Address.GetAllNodesMulticast())
ping6.SetAttribute("MaxPackets", ns.core.UintegerValue(maxPacketCount))
ping6.SetAttribute("Interval", ns.core.TimeValue(interPacketInterval))
ping6.SetAttribute("PacketSize", ns.core.UintegerValue(packetSize))
apps = ping6.Install(ns.network.NodeContainer(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("ping6.tr"))
csma.EnablePcapAll("ping6", True)
print("Run simulation")
ns.core.Simulator.Run()
ns.core.Simulator.Destroy()
print("Done")
