def __init__(self, network, nodes, delay="0ms", speed="100Mbps"):
super().__init__(network, nodes)
#: The channel's delay.
self.delay = delay
#: The channel's speed for transmitting and receiving.
#:
#: Valid values e.g. are :code:`'100Mbps'` or :code:`'64kbps'`.
self.speed = speed
#: A helper for connecting nodes via CSMA.
self.csma_helper = csma.CsmaHelper()
logger.info('Install connection between nodes')
self.csma_helper.SetChannelAttribute("DataRate",
core.StringValue(self.speed))
self.csma_helper.SetChannelAttribute("Delay",
core.StringValue(self.delay))
#: All ns-3 devices on this channel.
self.devices_container = self.csma_helper.Install(
self.ns3_nodes_container)
logger.info('Set IP addresses on nodes')
stack_helper = internet.InternetStackHelper()
for i, node in enumerate(nodes):
ns3_device = self.devices_container.Get(i)
address = None
if node.wants_ip_stack():
if node.ns3_node.GetObject(internet.Ipv4.GetTypeId()) is None:
logger.info('Installing IP stack on %s', node.name)
stack_helper.Install(node.ns3_node)
device_container = ns_net.NetDeviceContainer(ns3_device)
ip_address = self.network.address_helper.Assign(
device_container).GetAddress(0)
netmask = network.network.prefixlen
address = ipaddress.ip_interface(f'{ip_address}/{netmask}')
interface = Interface(node=node,
ns3_device=ns3_device,
address=address)
ns3_device.SetAddress(ns_net.Mac48Address(interface.mac_address))
node.add_interface(interface)
self.interfaces.append(interface)
def __init__(self, network, nodes, frequency=None, channel=1, channel_width=40, antennas=1, tx_power=20.0,
standard: WiFiStandard = WiFiStandard.WIFI_802_11b,
data_rate: WiFiDataRate = WiFiDataRate.DSSS_RATE_11Mbps):
super().__init__(network, nodes)
#: The channel to use.
self.channel = channel
#: The frequency to use.
#:
#: This could collide with other WiFi channels.
self.frequency = frequency
#: The width of the channel in MHz.
self.channel_width = channel_width
#: The number of antennas to use.
self.antennas = antennas
#: The sending power in dBm.
self.tx_power = tx_power
#: The WiFi standard to use.
self.standard = standard
#: The data rate to use.
self.data_rate = data_rate
logger.debug("Setting up physical layer of WiFi.")
self.wifi_phy_helper = wifi.YansWifiPhyHelper.Default()
self.wifi_phy_helper.Set("ChannelWidth", core.UintegerValue(self.channel_width))
if self.frequency:
self.wifi_phy_helper.Set("Frequency", core.UintegerValue(self.frequency))
else:
self.wifi_phy_helper.Set("ChannelNumber", core.UintegerValue(self.channel))
self.wifi_phy_helper.Set("Antennas", core.UintegerValue(self.antennas))
self.wifi_phy_helper.Set("MaxSupportedTxSpatialStreams", core.UintegerValue(self.antennas))
self.wifi_phy_helper.Set("MaxSupportedRxSpatialStreams", core.UintegerValue(self.antennas))
self.wifi_phy_helper.Set("TxPowerStart", core.DoubleValue(self.tx_power))
self.wifi_phy_helper.Set("TxPowerEnd", core.DoubleValue(self.tx_power))
# Enable monitoring of radio headers.
self.wifi_phy_helper.SetPcapDataLinkType(wifi.WifiPhyHelper.DLT_IEEE802_11_RADIO)
wifi_channel = wifi.YansWifiChannel()
self.propagation_delay_model = propagation.ConstantSpeedPropagationDelayModel()
wifi_channel.SetAttribute("PropagationDelayModel", core.PointerValue(self.propagation_delay_model))
if self.standard == WiFiChannel.WiFiStandard.WIFI_802_11p:
# Loss Model, parameter values from Boockmeyer, A. (2020):
# "Hatebefi: Hybrid Application Testbed for Fault Injection"
loss_model = propagation.ThreeLogDistancePropagationLossModel()
loss_model.SetAttribute("Distance0", core.DoubleValue(27.3))
loss_model.SetAttribute("Distance1", core.DoubleValue(68.4))
loss_model.SetAttribute("Distance2", core.DoubleValue(80.7))
loss_model.SetAttribute("Exponent0", core.DoubleValue(1.332671627050236))
loss_model.SetAttribute("Exponent1", core.DoubleValue(2.6812446718062612))
loss_model.SetAttribute("Exponent2", core.DoubleValue(3.5145944762444183))
loss_model.SetAttribute("ReferenceLoss", core.DoubleValue(83.54330702928374))
wifi_channel.SetAttribute("PropagationLossModel", core.PointerValue(loss_model))
else:
loss_model = propagation.LogDistancePropagationLossModel()
wifi_channel.SetAttribute("PropagationLossModel", core.PointerValue(loss_model))
self.wifi_phy_helper.SetChannel(wifi_channel)
#: Helper for creating the WiFi channel.
self.wifi = None
#: All ns-3 devices on this channel.
self.devices_container = None
#: Helper for creating MAC layers.
self.wifi_mac_helper = None
if self.standard != WiFiChannel.WiFiStandard.WIFI_802_11p:
self.wifi = wifi.WifiHelper()
self.wifi.SetRemoteStationManager("ns3::ConstantRateWifiManager",
"DataMode", core.StringValue(self.data_rate.value),
"ControlMode", core.StringValue(self.data_rate.value))
self.wifi.SetStandard(self.standard.value)
self.wifi_mac_helper = wifi.WifiMacHelper()
# Adhoc network between multiple nodes (no access point).
self.wifi_mac_helper.SetType("ns3::AdhocWifiMac")
else:
self.wifi = wave.Wifi80211pHelper.Default()
self.wifi.SetRemoteStationManager("ns3::ConstantRateWifiManager",
"DataMode", core.StringValue(self.data_rate.value),
"ControlMode", core.StringValue(self.data_rate.value),
"NonUnicastMode", core.StringValue(self.data_rate.value))
self.wifi_mac_helper = wave.NqosWaveMacHelper.Default()
# Install on all connected nodes.
logger.debug("Installing the WiFi channel to %d nodes. Mode is %s (data) / %s (control).", len(nodes),
self.standard, self.data_rate)
#: All ns-3 devices on this channel.
self.devices_container = self.wifi.Install(self.wifi_phy_helper, self.wifi_mac_helper, self.ns3_nodes_container)
logger.info('Setting IP addresses on nodes.')
stack_helper = internet.InternetStackHelper()
for i, node in enumerate(nodes):
ns3_device = self.devices_container.Get(i)
address = None
if node.wants_ip_stack():
if node.ns3_node.GetObject(internet.Ipv4.GetTypeId()) is None:
logger.info('Installing IP stack on %s', node.name)
stack_helper.Install(node.ns3_node)
device_container = ns_net.NetDeviceContainer(ns3_device)
ip_address = self.network.address_helper.Assign(device_container).GetAddress(0)
netmask = network.network.prefixlen
address = ipaddress.ip_interface(f'{ip_address}/{netmask}')
interface = Interface(node=node, ns3_device=ns3_device, address=address)
ns3_device.GetMac().SetAddress(ns_net.Mac48Address(interface.mac_address))
node.add_interface(interface)
self.interfaces.append(interface)
def __init__(self, name):
super().__init__(name)
bridge_helper = bridge.BridgeHelper()
#: The ns-3 internal device to route packages.
self.bridge_device = bridge_helper.Install(self.name, network.NetDeviceContainer()).Get(0)
def __init__(self,
network,
channel_name,
nodes,
delay="0ms",
data_rate="100Mbps"):
super().__init__(network, channel_name, nodes)
#: The channel's delay.
self.delay = delay
#: The channel's speed for transmitting and receiving.
#:
#: Valid values e.g. are :code:`'100Mbps'` or :code:`'64kbps'`.
self.data_rate = data_rate
#: A helper for connecting nodes via CSMA.
self.csma_helper = csma.CsmaHelper()
#: The channel for connecting the nodes
self.csma_channel = csma.CsmaChannel()
self.set_delay(self.delay)
self.set_data_rate(self.data_rate)
#: All ns-3 devices on this channel.
logger.info('Install connection between nodes')
self.devices_container = self.csma_helper.Install(
self.ns3_nodes_container, self.csma_channel)
logger.info('Set IP addresses on nodes')
stack_helper = internet.InternetStackHelper()
for i, connected_node in enumerate(nodes):
ns3_device = self.devices_container.Get(i)
node = connected_node.node
if node.wants_ip_stack():
if node.ns3_node.GetObject(internet.Ipv4.GetTypeId()) is None:
logger.info('Installing IP stack on %s', node.name)
stack_helper.Install(node.ns3_node)
address = connected_node.address
if address is None:
address = self.network.get_free_ip_address()
network_address = ipaddress.ip_network(
f'{str(address)}/{network.netmask}', strict=False)
ns3_network_address = ns_net.Ipv4Address(
network_address.network_address)
ns3_network_prefix = ns_net.Ipv4Mask(network_address.netmask)
base = ipaddress.ip_address(
int(address) - int(network_address.network_address))
helper = internet.Ipv4AddressHelper(ns3_network_address,
ns3_network_prefix,
base=ns_net.Ipv4Address(
str(base)))
device_container = ns_net.NetDeviceContainer(ns3_device)
helper.Assign(device_container)
interface = Interface(node=node,
ns3_device=ns3_device,
address=ipaddress.ip_interface(
f'{str(address)}/{network.netmask}'))
else:
interface = Interface(node=node,
ns3_device=ns3_device,
address=connected_node.address)
ns3_device.SetAddress(ns_net.Mac48Address(interface.mac_address))
node.add_interface(interface)
self.interfaces.append(interface)
def __init__(self,
network,
nodes,
frequency=None,
channel=1,
channel_width=40,
antennas=1,
tx_power=20.0,
standard: WiFiStandard = WiFiStandard.WIFI_802_11a,
data_rate: WiFiDataRate = WiFiDataRate.OFDM_RATE_6Mbps):
super().__init__(network, nodes)
#: The channel to use.
self.channel = channel
#: The frequency to use.
#:
#: This could collide with other WiFi channels.
self.frequency = frequency
#: The width of the channel in MHz.
self.channel_width = channel_width
#: The number of antennas to use.
self.antennas = antennas
#: The sending power in dBm.
self.tx_power = tx_power
#: The WiFi standard to use.
self.standard = standard
#: The data rate to use.
self.data_rate = data_rate
logger.debug("Setting up physical layer of WiFi.")
self.wifi_phy_helper = wifi.YansWifiPhyHelper.Default()
self.wifi_phy_helper.Set("ChannelWidth",
core.UintegerValue(self.channel_width))
if self.frequency:
self.wifi_phy_helper.Set("Frequency",
core.UintegerValue(self.frequency))
else:
self.wifi_phy_helper.Set("ChannelNumber",
core.UintegerValue(self.channel))
self.wifi_phy_helper.Set("Antennas", core.UintegerValue(self.antennas))
self.wifi_phy_helper.Set("MaxSupportedTxSpatialStreams",
core.UintegerValue(self.antennas))
self.wifi_phy_helper.Set("MaxSupportedRxSpatialStreams",
core.UintegerValue(self.antennas))
self.wifi_phy_helper.Set("TxPowerStart",
core.DoubleValue(self.tx_power))
self.wifi_phy_helper.Set("TxPowerEnd", core.DoubleValue(self.tx_power))
# Enable monitoring of radio headers.
self.wifi_phy_helper.SetPcapDataLinkType(
wifi.WifiPhyHelper.DLT_IEEE802_11_RADIO)
wifi_channel_helper = wifi.YansWifiChannelHelper()
wifi_channel_helper.SetPropagationDelay(
"ns3::ConstantSpeedPropagationDelayModel")
wifi_channel_helper.AddPropagationLoss(
"ns3::LogDistancePropagationLossModel")
# wifi_channel_helper.AddPropagationLoss("ns3::RangePropagationLossModel")
self.wifi_phy_helper.SetChannel(wifi_channel_helper.Create())
#: Helper for creating the WiFi channel
self.wifi = wifi.WifiHelper()
self.wifi.SetRemoteStationManager(
"ns3::ConstantRateWifiManager", "DataMode",
core.StringValue(self.data_rate.value), "ControlMode",
core.StringValue(self.data_rate.value))
self.wifi.SetStandard(self.standard.value)
wifi_mac_helper = wifi.WifiMacHelper()
# Adhoc network between multiple nodes (no access point).
wifi_mac_helper.SetType("ns3::AdhocWifiMac")
# Install on all connected nodes.
logger.debug(
"Installing the WiFi channel to %d nodes. Mode is %s (data) / %s (control).",
len(nodes), self.standard, self.data_rate)
#: All ns-3 devices on this channel.
self.devices_container = self.wifi.Install(self.wifi_phy_helper,
wifi_mac_helper,
self.ns3_nodes_container)
logger.info('Setting IP addresses on nodes.')
stack_helper = internet.InternetStackHelper()
for i, node in enumerate(nodes):
ns3_device = self.devices_container.Get(i)
address = None
if node.wants_ip_stack():
if node.ns3_node.GetObject(internet.Ipv4.GetTypeId()) is None:
logger.info('Installing IP stack on %s', node.name)
stack_helper.Install(node.ns3_node)
device_container = ns_net.NetDeviceContainer(ns3_device)
ip_address = self.network.address_helper.Assign(
device_container).GetAddress(0)
netmask = network.network.prefixlen
address = ipaddress.ip_interface(f'{ip_address}/{netmask}')
interface = Interface(node=node,
ns3_device=ns3_device,
address=address)
ns3_device.GetMac().SetAddress(
ns_net.Mac48Address(interface.mac_address))
node.add_interface(interface)
self.interfaces.append(interface)