def testAttributes(self):
##
## Yes, I know, the GetAttribute interface for Python is
## horrible, we should fix this soon, I hope.
##
queue = ns3.DropTailQueue()
queue.SetAttribute("MaxPackets", ns3.UintegerValue(123456))
limit = ns3.UintegerValue()
queue.GetAttribute("MaxPackets", limit)
self.assertEqual(limit.Get(), 123456)
## -- object pointer values
mobility = ns3.RandomWaypointMobilityModel()
ptr = ns3.PointerValue()
mobility.GetAttribute("PositionAllocator", ptr)
self.assertEqual(ptr.GetObject(), None)
pos = ns3.ListPositionAllocator()
mobility.SetAttribute("PositionAllocator", ns3.PointerValue(pos))
ptr = ns3.PointerValue()
mobility.GetAttribute("PositionAllocator", ptr)
self.assert_(ptr.GetObject() is not None)
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)
pingHelper = ns3.V4PingHelper(ipContainer.GetAddress(0))
pingHelper.SetAttribute("Interval", ns3.TimeValue(ns3.Seconds(1.0)))
apps = pingHelper.Install(nodes.Get(0))
apps.Start(ns.core.Seconds(1.0))
apps.Stop(ns.core.Seconds(10.0))
ns.core.Simulator.Run()
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.
#
ns3.Config.SetDefault("ns3::OnOffApplication::PacketSize",
ns3.StringValue("210"))
ns3.Config.SetDefault("ns3::OnOffApplication::DataRate",
ns3.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 = ns3.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 = ns3.NodeContainer()
backbone.Create(backboneNodes)
#
# Create the backbone wifi net devices and install them into the nodes in
# our container
#
wifi = ns3.WifiHelper()
mac = ns3.NqosWifiMacHelper.Default()
mac.SetType("ns3::AdhocWifiMac")
wifi.SetRemoteStationManager("ns3::ConstantRateWifiManager", "DataMode",
ns3.StringValue("OfdmRate54Mbps"))
wifiPhy = ns3.YansWifiPhyHelper.Default()
wifiChannel = ns3.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 = ns3.InternetStackHelper()
olsr = ns3.OlsrHelper()
internet.SetRoutingHelper(olsr)
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 = ns3.Ipv4AddressHelper()
ipAddrs.SetBase(ns3.Ipv4Address("192.168.0.0"),
ns3.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 = ns3.MobilityHelper()
positionAlloc = ns3.ListPositionAllocator()
x = 0.0
for i in range(backboneNodes):
positionAlloc.Add(ns3.Vector(x, 0.0, 0.0))
x += 5.0
mobility.SetPositionAllocator(positionAlloc)
mobility.SetMobilityModel(
"ns3::RandomDirection2dMobilityModel", "Bounds",
ns3.RectangleValue(ns3.Rectangle(0, 1000, 0, 1000)), "Speed",
ns3.RandomVariableValue(ns3.ConstantVariable(2000)), "Pause",
ns3.RandomVariableValue(ns3.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(ns3.Ipv4Address("172.16.0.0"),
ns3.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 = ns3.NodeContainer()
newLanNodes.Create(lanNodes - 1)
# Now, create the container with all nodes on this link
lan = ns3.NodeContainer(ns3.NodeContainer(backbone.Get(i)),
newLanNodes)
#
# Create the CSMA net devices and install them into the nodes in our
# collection.
#
csma = ns3.CsmaHelper()
csma.SetChannelAttribute("DataRate",
ns3.DataRateValue(ns3.DataRate(5000000)))
csma.SetChannelAttribute("Delay", ns3.TimeValue(ns3.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(ns3.Ipv4Address("10.0.0.0"), ns3.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 = ns3.NodeContainer()
stas.Create(infraNodes - 1)
# Now, create the container with all nodes on this link
infra = ns3.NodeContainer(ns3.NodeContainer(backbone.Get(i)), stas)
#
# Create another ad hoc network and devices
#
ssid = ns3.Ssid('wifi-infra' + str(i))
wifiInfra = ns3.WifiHelper.Default()
wifiPhy.SetChannel(wifiChannel.Create())
wifiInfra.SetRemoteStationManager('ns3::ArfWifiManager')
macInfra = ns3.NqosWifiMacHelper.Default()
macInfra.SetType("ns3::NqstaWifiMac", "Ssid", ns3.SsidValue(ssid),
"ActiveProbing", ns3.BooleanValue(False))
# setup stas
staDevices = wifiInfra.Install(wifiPhy, macInfra, stas)
# setup ap.
macInfra.SetType("ns3::NqapWifiMac", "Ssid",
ns3.SsidValue(ssid), "BeaconGeneration",
ns3.BooleanValue(True), "BeaconInterval",
ns3.TimeValue(ns3.Seconds(2.5)))
apDevices = wifiInfra.Install(wifiPhy, macInfra, backbone.Get(i))
# Collect all of these new devices
infraDevices = ns3.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 = ns3.ListPositionAllocator()
for j in range(infra.GetN()):
subnetAlloc.Add(ns3.Vector(0.0, j, 0.0))
mobility.PushReferenceMobilityModel(backbone.Get(i))
mobility.SetPositionAllocator(subnetAlloc)
mobility.SetMobilityModel(
"ns3::RandomDirection2dMobilityModel", "Bounds",
ns3.RectangleValue(ns3.Rectangle(-25, 25, -25, 25)), "Speed",
ns3.RandomVariableValue(ns3.ConstantVariable(30)), "Pause",
ns3.RandomVariableValue(ns3.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 = ns3.NodeList.GetNode(11)
appSink = ns3.NodeList.GetNode(13)
remoteAddr = ns3.Ipv4Address("172.16.0.5")
onoff = ns3.OnOffHelper(
"ns3::UdpSocketFactory",
ns3.Address(ns3.InetSocketAddress(remoteAddr, port)))
onoff.SetAttribute("OnTime",
ns3.RandomVariableValue(ns3.ConstantVariable(1)))
onoff.SetAttribute("OffTime",
ns3.RandomVariableValue(ns3.ConstantVariable(0)))
apps = onoff.Install(ns3.NodeContainer(appSource))
apps.Start(ns3.Seconds(3.0))
apps.Stop(ns3.Seconds(20.0))
# Create a packet sink to receive these packets
sink = ns3.PacketSinkHelper(
"ns3::UdpSocketFactory",
ns3.InetSocketAddress(ns3.Ipv4Address.GetAny(), port))
apps = sink.Install(ns3.NodeContainer(appSink))
apps.Start(ns3.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 = ns3.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 = ns3.CsmaHelper()
csma.EnablePcapAll("mixed-wireless", False)
# #ifdef ENABLE_FOR_TRACING_EXAMPLE
# Config.Connect("/NodeList/*/$MobilityModel/CourseChange",
# MakeCallback(&CourseChangeCallback))
# #endif
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# #
# Run simulation #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
print "Run Simulation."
ns3.Simulator.Stop(ns3.Seconds(stopTime))
ns3.Simulator.Run()
ns3.Simulator.Destroy()
def create_network(netinfo):
"""Create a network Struct from a RadioMobile parsed text report."""
nodes = {}
for name, attrs in netinfo["units"].iteritems():
node = lib.Struct("Node",
name=name,
location=attrs["location"],
ns3_node=ns3.Node(),
devices={})
nodes[name] = node
ns3node_to_node = dict(
(node.ns3_node.GetId(), node) for node in nodes.values())
def get_node_from_ns3node(ns3_node):
return ns3node_to_node[ns3_node.GetId()]
# Internet stack
stack = ns3.InternetStackHelper()
for name, node in nodes.iteritems():
stack.Install(node.ns3_node)
networks = {}
for net_index, (net_name,
network) in enumerate(netinfo["networks"].iteritems()):
# Nodes
node = network["node"]
node_member = node["name"]
terminal_members = [
terminal["name"] for terminal in network["terminals"]
]
ap_node = nodes[node_member].ns3_node
sta_nodes = ns3.NodeContainer()
for name in terminal_members:
sta_nodes.Add(nodes[name].ns3_node)
networks[name] = lib.Struct("network",
node=node_member,
terminals=terminal_members)
mode = network["mode"]
network_info = dict(
(d["name"], d) for d in [network["node"]] + network["terminals"])
# Configure WiFi or WiMax devices
if mode["standard"].startswith("wifi"):
wifi_network(network_info, net_index, net_name, mode["wifi_mode"],
nodes, get_node_from_ns3node, node_member,
terminal_members)
elif mode["standard"].startswith("wimax"):
scheduler = getattr(
ns3.WimaxHelper,
"SCHED_TYPE_" + mode["wimax_scheduler"].upper())
wimax_network(network_info, net_index, net_name, nodes,
get_node_from_ns3node, node_member, terminal_members,
scheduler)
else:
raise ValueError, ("Network name must be 'name [wifi_with_ns3_mode"
+ "| wimax-scheduler]': %s") % ns3_mode
# Mobility
mobility = ns3.MobilityHelper()
mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel")
for member in [node_member] + terminal_members:
node = nodes[member]
allocator = ns3.ListPositionAllocator()
position = tuple(node.location) + (0, )
#position = (0, 0, 0) # debug
allocator.Add(ns3.Vector(*position))
mobility.SetPositionAllocator(allocator)
mobility.Install(node.ns3_node)
ns3.Ipv4GlobalRoutingHelper.PopulateRoutingTables()
return lib.Struct("Network", nodes=nodes, networks=networks)
def main(argv):
#
# We are interacting with the outside, real, world. This means we have to
# interact in real-time and therefore we have to use the real-time simulator
# and take the time to calculate checksums.
#
ns3.GlobalValue.Bind("SimulatorImplementationType",
ns3.StringValue("ns3::RealtimeSimulatorImpl"))
ns3.GlobalValue.Bind("ChecksumEnabled", ns3.BooleanValue("true"))
#
# Create two ghost nodes. The first will represent the virtual machine host
# on the left side of the network; and the second will represent the VM on
# the right side.
#
nodes = ns3.NodeContainer()
nodes.Create(2)
#
# We're going to use 802.11 A so set up a wifi helper to reflect that.
#
wifi = ns3.WifiHelper.Default()
wifi.SetStandard(ns3.WIFI_PHY_STANDARD_80211a)
wifi.SetRemoteStationManager("ns3::ConstantRateWifiManager", "DataMode",
ns3.StringValue("wifia-54mbs"))
#
# No reason for pesky access points, so we'll use an ad-hoc network.
#
wifiMac = ns3.NqosWifiMacHelper.Default()
wifiMac.SetType("ns3::AdhocWifiMac")
#
# Configure the physcial layer.
#
wifiChannel = ns3.YansWifiChannelHelper.Default()
wifiPhy = ns3.YansWifiPhyHelper.Default()
wifiPhy.SetChannel(wifiChannel.Create())
#
# Install the wireless devices onto our ghost nodes.
#
devices = wifi.Install(wifiPhy, wifiMac, nodes)
#
# We need location information since we are talking about wifi, so add a
# constant position to the ghost nodes.
#
mobility = ns3.MobilityHelper()
positionAlloc = ns3.ListPositionAllocator()
positionAlloc.Add(ns3.Vector(0.0, 0.0, 0.0))
positionAlloc.Add(ns3.Vector(5.0, 0.0, 0.0))
mobility.SetPositionAllocator(positionAlloc)
mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel")
mobility.Install(nodes)
#
# Use the TapBridgeHelper to connect to the pre-configured tap devices for
# the left side. We go with "UseLocal" mode since the wifi devices do not
# support promiscuous mode (because of their natures0. This is a special
# case mode that allows us to extend a linux bridge into ns-3 IFF we will
# only see traffic from one other device on that bridge. That is the case
# for this configuration.
#
tapBridge = ns3.TapBridgeHelper()
tapBridge.SetAttribute("Mode", ns3.StringValue("UseLocal"))
tapBridge.SetAttribute("DeviceName", ns3.StringValue("tap-left"))
tapBridge.Install(nodes.Get(0), devices.Get(0))
#
# Connect the right side tap to the right side wifi device on the right-side
# ghost node.
#
tapBridge.SetAttribute("DeviceName", ns3.StringValue("tap-right"))
tapBridge.Install(nodes.Get(1), devices.Get(1))
#
# Run the simulation for ten minutes to give the user time to play around
#
ns3.Simulator.Stop(ns3.Seconds(600))
ns3.Simulator.Run(signal_check_frequency=-1)
ns3.Simulator.Destroy()
return 0