Ipv4InterfaceContainer
Ipv4AddressHelper::Assign (const NetDeviceContainer &c)
{
NS_LOG_FUNCTION_NOARGS ();
Ipv4InterfaceContainer retval;
for (uint32_t i = 0; i < c.GetN (); ++i) {
Ptr<NetDevice> device = c.Get (i);
Ptr<Node> node = device->GetNode ();
NS_ASSERT_MSG (node, "Ipv4AddressHelper::Assign(): NetDevice is not not associated "
"with any node -> fail");
Ptr<Ipv4> ipv4 = node->GetObject<Ipv4> ();
NS_ASSERT_MSG (ipv4, "Ipv4AddressHelper::Assign(): NetDevice is associated"
" with a node without IPv4 stack installed -> fail "
"(maybe need to use InternetStackHelper?)");
int32_t interface = ipv4->GetInterfaceForDevice (device);
if (interface == -1)
{
interface = ipv4->AddInterface (device);
}
NS_ASSERT_MSG (interface >= 0, "Ipv4AddressHelper::Assign(): "
"Interface index not found");
Ipv4InterfaceAddress ipv4Addr = Ipv4InterfaceAddress (NewAddress (), m_mask);
ipv4->AddAddress (interface, ipv4Addr);
ipv4->SetMetric (interface, 1);
ipv4->SetUp (interface);
retval.Add (ipv4, interface);
}
return retval;
}
