-void ns3_add_cluster(const char* id, double bw, double lat) {
- ns3::NodeContainer Nodes;
-
- for (unsigned int i = number_of_clusters_nodes; i < Cluster_nodes.GetN(); i++) {
- Nodes.Add(Cluster_nodes.Get(i));
- XBT_DEBUG("Add node %u to cluster", i);
- }
- number_of_clusters_nodes = Cluster_nodes.GetN();
-
- XBT_DEBUG("Add router %u to cluster", nodes.GetN() - Nodes.GetN() - 1);
- Nodes.Add(nodes.Get(nodes.GetN()-Nodes.GetN()-1));
-
- xbt_assert(Nodes.GetN() <= 65000, "Cluster with NS3 is limited to 65000 nodes");
- ns3::CsmaHelper csma;
- csma.SetChannelAttribute("DataRate", ns3::DataRateValue(ns3::DataRate(bw * 8))); // NS3 takes bps, but we provide Bps
- csma.SetChannelAttribute("Delay", ns3::TimeValue(ns3::Seconds(lat)));
- ns3::NetDeviceContainer devices = csma.Install(Nodes);
- XBT_DEBUG("Create CSMA");
-
- std::string addr = simgrid::xbt::string_printf("%d.%d.0.0", number_of_networks, number_of_links);
- XBT_DEBUG("Assign IP Addresses %s to CSMA.", addr.c_str());
- ns3::Ipv4AddressHelper ipv4;
- ipv4.SetBase(addr.c_str(), "255.255.0.0");
- interfaces.Add(ipv4.Assign (devices));
-
- if(number_of_links == 255){
- xbt_assert(number_of_networks < 255, "Number of links and networks exceed 255*255");
- number_of_links = 1;
- number_of_networks++;
- }else{
- number_of_links++;
- }
- XBT_DEBUG("Number of nodes in Cluster_nodes: %u", Cluster_nodes.GetN());
-}
-