+def add_wifi_device(ec, ns3_node, address, prefix,
+ access_point = False):
+ dev = ec.register_resource("ns3::WifiNetDevice")
+ ec.set(dev, "ip", address)
+ ec.set(dev, "prefix", prefix)
+ ec.register_connection(ns3_node, dev)
+
+ phy = ec.register_resource("ns3::YansWifiPhy")
+ ec.set(phy, "Standard", "WIFI_PHY_STANDARD_80211a")
+ ec.register_connection(dev, phy)
+
+ error = ec.register_resource("ns3::NistErrorRateModel")
+ ec.register_connection(phy, error)
+
+ manager = ec.register_resources("ns3::ArfWifiManager")
+ ec.register_connection(dev, manager)
+
+ if access_point:
+ mac = ec.register_resources("ns3::ApWifiMac")
+ else:
+ mac = ec.register_resources("ns3::StaWifiMac")
+
+ ec.set(mac, "Standard", "WIFI_PHY_STANDARD_80211a")
+ ec.register_connection(dev, mac)
+
+ return dev
+
+def add_random_mobility(ec, ns3_node, x, y, z, speed, bounds_width,
+ bounds_height):
+ position = "%d:%d:%d" % (x, y, z)
+ bounds = "0|%d|0|%d" % (bounds_width, bounds_height)
+ speed = "Constant:%d" % speed
+
+ mobility = ec.register_resource("ns3::RandomDirection2dMobilityModel")
+ ec.set(mobility, "Position", position)
+ ec.set(mobility, "Bounds", bounds)
+ ec.set(mobility, "Speed", speed)
+ ec.set(mobility, "Pause", "Constant:1")
+ ec.register_connection(node, mobility)
+ return mobility
+
+def add_constant_mobility(ec, ns3_node, x, y, z):
+ mobility = ec.register_resource("ns3::ConstantPositionMobilityModel")
+ position = "%d:%d:%d" % (x, y, z)
+ ec.set(mobility, "Position", position)
+ ec.register_connection(node, mobility)
+ return mobility
+
+def add_wifi_channel(ec):
+ channel = ec.register_resource("ns3::YansWifiChannel")
+ delay = ec.register_resource("ns3::ConstantSpeedPropagationDelayModel")
+ ec.register_connection(channel, delay)
+
+ loss = ec.register_resource("ns3::LogDistancePropagationLossModel")
+ ec.register_connection(channel, loss)
+
+ return channel
+