+static void sg_platf_new_cluster_flat2(simgrid::kernel::routing::ClusterCreationArgs* cluster)
+{
+ auto* zone = simgrid::s4u::create_star_zone(cluster->id);
+ simgrid::s4u::NetZone const* parent = routing_get_current() ? routing_get_current()->get_iface() : nullptr;
+ if (parent)
+ zone->set_parent(parent);
+
+ /* set properties */
+ for (auto const& elm : cluster->properties)
+ zone->set_property(elm.first, elm.second);
+
+ /* Make the backbone */
+ simgrid::s4u::Link* backbone = nullptr;
+ if ((cluster->bb_bw > 0) || (cluster->bb_lat > 0)) {
+ std::string bb_name = std::string(cluster->id) + "_backbone";
+ XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/> <!--backbone -->", bb_name.c_str(), cluster->bb_bw,
+ cluster->bb_lat);
+
+ backbone = zone->create_link(bb_name, std::vector<double>{cluster->bb_bw})
+ ->set_sharing_policy(cluster->bb_sharing_policy)
+ ->set_latency(cluster->bb_lat)
+ ->seal();
+ }
+
+ for (int const& i : cluster->radicals) {
+ std::string host_id = std::string(cluster->prefix) + std::to_string(i) + cluster->suffix;
+
+ XBT_DEBUG("<host\tid=\"%s\"\tspeed=\"%f\">", host_id.c_str(), cluster->speeds.front());
+ const auto* host = zone->create_host(host_id, cluster->speeds)
+ ->set_core_count(cluster->core_amount)
+ ->set_properties(cluster->properties)
+ ->seal();
+
+ XBT_DEBUG("</host>");
+
+ std::string link_id = std::string(cluster->id) + "_link_" + std::to_string(i);
+ XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id.c_str(), cluster->bw, cluster->lat);
+
+ // add a loopback link
+ if (cluster->loopback_bw > 0 || cluster->loopback_lat > 0) {
+ std::string loopback_name = link_id + "_loopback";
+ XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", loopback_name.c_str(), cluster->loopback_bw);
+
+ auto* loopback = zone->create_link(loopback_name, std::vector<double>{cluster->loopback_bw})
+ ->set_sharing_policy(simgrid::s4u::Link::SharingPolicy::FATPIPE)
+ ->set_latency(cluster->loopback_lat)
+ ->seal();
+
+ zone->add_route(host->get_netpoint(), host->get_netpoint(), nullptr, nullptr,
+ std::vector<simgrid::s4u::Link*>{loopback});
+ }
+
+ // add a limiter link (shared link to account for maximal bandwidth of the node)
+ simgrid::s4u::Link* limiter = nullptr;
+ if (cluster->limiter_link > 0) {
+ std::string limiter_name = std::string(link_id) + "_limiter";
+ XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", limiter_name.c_str(), cluster->limiter_link);
+
+ limiter = zone->create_link(limiter_name, std::vector<double>{cluster->limiter_link})->seal();
+ }
+
+ // create link
+ simgrid::s4u::Link* link_up;
+ simgrid::s4u::Link* link_down;
+ if (cluster->sharing_policy == simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX) {
+ link_up = zone->create_link(link_id + "_UP", std::vector<double>{cluster->bw})->set_latency(cluster->lat)->seal();
+ link_down =
+ zone->create_link(link_id + "_DOWN", std::vector<double>{cluster->bw})->set_latency(cluster->lat)->seal();
+ } else {
+ link_up = zone->create_link(link_id, std::vector<double>{cluster->bw})->set_latency(cluster->lat)->seal();
+ link_down = link_up;
+ }
+
+ /* adding routes */
+ std::vector<simgrid::s4u::Link*> links_up{limiter, link_up, backbone};
+ links_up.erase(std::remove(links_up.begin(), links_up.end(), nullptr), links_up.end());
+ std::vector<simgrid::s4u::Link*> links_down{backbone, link_down, limiter};
+ links_down.erase(std::remove(links_down.begin(), links_down.end(), nullptr), links_down.end());
+
+ zone->add_route(host->get_netpoint(), nullptr, nullptr, nullptr, links_up, false);
+ zone->add_route(nullptr, host->get_netpoint(), nullptr, nullptr, links_down, false);
+ }
+
+ // Add a router.
+ XBT_DEBUG(" ");
+ XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id.c_str());
+ if (cluster->router_id.empty())
+ cluster->router_id = std::string(cluster->prefix) + cluster->id + "_router" + cluster->suffix;
+ auto* router = zone->create_router(cluster->router_id);
+ zone->add_route(router, nullptr, nullptr, nullptr, {});
+
+ simgrid::kernel::routing::on_cluster_creation(*cluster);
+}
+
+/*************************************************************************************************/
+/** @brief Set the links for internal node inside a Cluster(Star) */
+static void sg_platf_cluster_set_hostlink(simgrid::kernel::routing::StarZone* zone,
+ simgrid::kernel::routing::NetPoint* netpoint, simgrid::s4u::Link* link_up,
+ simgrid::s4u::Link* link_down, simgrid::kernel::resource::LinkImpl* backbone)
+{
+ XBT_DEBUG("Push Host_link for host '%s' to position %u", netpoint->get_cname(), netpoint->id());
+ if (backbone) {
+ zone->add_route(netpoint, nullptr, nullptr, nullptr, {link_up->get_impl(), backbone}, false);
+ zone->add_route(nullptr, netpoint, nullptr, nullptr, {backbone, link_down->get_impl()}, false);
+ } else {
+ zone->add_route(netpoint, nullptr, nullptr, nullptr, {link_up->get_impl()}, false);
+ zone->add_route(nullptr, netpoint, nullptr, nullptr, {link_down->get_impl()}, false);
+ }
+}
+
+/** @brief Add a link connecting a host to the rest of its StarZone */
+static void sg_platf_new_hostlink(simgrid::kernel::routing::StarZone* zone,
+ const simgrid::kernel::routing::HostLinkCreationArgs* hostlink,
+ simgrid::kernel::resource::LinkImpl* backbone)
+{
+ simgrid::kernel::routing::NetPoint* netpoint = simgrid::s4u::Host::by_name(hostlink->id)->get_netpoint();
+ xbt_assert(netpoint, "Host '%s' not found!", hostlink->id.c_str());
+
+ simgrid::s4u::Link* linkUp = simgrid::s4u::Link::by_name_or_null(hostlink->link_up);
+ simgrid::s4u::Link* linkDown = simgrid::s4u::Link::by_name_or_null(hostlink->link_down);
+
+ xbt_assert(linkUp, "Link '%s' not found!", hostlink->link_up.c_str());
+ xbt_assert(linkDown, "Link '%s' not found!", hostlink->link_down.c_str());
+ sg_platf_cluster_set_hostlink(zone, netpoint, linkUp, linkDown, backbone);
+}
+
+/** @brief Create a cabinet (set of hosts) inside a Cluster(StarZone) */
+static void sg_platf_new_cabinet(simgrid::kernel::routing::StarZone* zone,
+ const simgrid::kernel::routing::CabinetCreationArgs* args,
+ simgrid::kernel::resource::LinkImpl* backbone)
+{
+ for (int const& radical : args->radicals) {
+ std::string id = args->prefix + std::to_string(radical) + args->suffix;
+ auto const* host = zone->create_host(id, std::vector<double>{args->speed})->seal();
+
+ auto* link_up =
+ zone->create_link("link_" + id + "_UP", std::vector<double>{args->bw})->set_latency(args->lat)->seal();
+ auto* link_down =
+ zone->create_link("link_" + id + "_DOWN", std::vector<double>{args->bw})->set_latency(args->lat)->seal();
+
+ sg_platf_cluster_set_hostlink(zone, host->get_netpoint(), link_up, link_down, backbone);
+ }
+}
+
+void sg_platf_zone_cluster_populate(simgrid::kernel::routing::ClusterZoneCreationArgs* cluster)
+{
+ auto* zone = dynamic_cast<simgrid::kernel::routing::StarZone*>(current_routing);
+ xbt_assert(zone, "Host_links are only valid for Cluster(Star)");
+
+ simgrid::kernel::resource::LinkImpl* backbone = nullptr;
+ /* create backbone */
+ if (cluster->backbone) {
+ sg_platf_new_link(cluster->backbone.get());
+ backbone = simgrid::s4u::Link::by_name(cluster->backbone->id)->get_impl();
+ }
+
+ /* create host_links for hosts */
+ for (auto const& hostlink : cluster->host_links) {
+ sg_platf_new_hostlink(zone, &hostlink, backbone);
+ }
+
+ /* create cabinets */
+ for (auto const& cabinet : cluster->cabinets) {
+ sg_platf_new_cabinet(zone, &cabinet, backbone);
+ }
+}
+/*************************************************************************************************/
+