]> AND Public Git Repository - simgrid.git/blobdiff - src/surf/sg_platf.cpp
Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
simplification
[simgrid.git] / src / surf / sg_platf.cpp
index 0d046fb01b78a4264cdf4eeb920a07f98f404060..0d06ac2c6e80aa6aa2f9a4fa9f7c6045fbcb49ef 100644 (file)
@@ -38,9 +38,7 @@ xbt::signal<void(ClusterCreationArgs const&)> on_cluster_creation;
 } // namespace kernel
 } // namespace simgrid
 
-static int surf_parse_models_setup_already_called = 0;
-
-/** The current AS in the parsing */
+/** The current NetZone in the parsing */
 static simgrid::kernel::routing::NetZoneImpl* current_routing = nullptr;
 static simgrid::kernel::routing::NetZoneImpl* routing_get_current()
 {
@@ -54,38 +52,40 @@ void sg_platf_init()
 }
 
 /** Module management function: frees all internal data structures */
-void sg_platf_exit() {
+void sg_platf_exit()
+{
   simgrid::kernel::routing::on_cluster_creation.disconnect_slots();
   simgrid::s4u::Engine::on_platform_created.disconnect_slots();
 
-  /* make sure that we will reinit the models while loading the platf once reinited */
-  surf_parse_models_setup_already_called = 0;
   surf_parse_lex_destroy();
 }
 
-/** @brief Add a host to the current AS */
+/** @brief Add a host to the current NetZone */
 void sg_platf_new_host(const simgrid::kernel::routing::HostCreationArgs* args)
 {
-  simgrid::s4u::Host* host = routing_get_current()->create_host(args->id, args->speed_per_pstate, args->core_amount);
+  simgrid::s4u::Host* host =
+      routing_get_current()->create_host(args->id, args->speed_per_pstate)->set_core_count(args->core_amount);
 
   if (args->properties) {
     host->set_properties(*args->properties);
     delete args->properties;
   }
 
-  host->pimpl_->set_disks(args->disks, host);
+  host->get_impl()->set_disks(args->disks, host);
 
   /* Change from the defaults */
-  if (args->state_trace)
-    host->set_state_profile(args->state_trace);
-  if (args->speed_trace)
-    host->set_speed_profile(args->speed_trace);
-  if (args->pstate != 0)
-    host->set_pstate(args->pstate);
+  host->set_state_profile(args->state_trace)->set_speed_profile(args->speed_trace);
+
   if (not args->coord.empty())
     new simgrid::kernel::routing::vivaldi::Coords(host->get_netpoint(), args->coord);
 
+  host->seal();
   simgrid::s4u::Host::on_creation(*host); // notify the signal
+
+  /* When energy plugin is activated, changing the pstate requires to already have the HostEnergy extension whose
+   * allocation is triggered by the on_creation signal. Then set_pstate must be called after the signal emition */
+  if (args->pstate != 0)
+    host->set_pstate(args->pstate);
 }
 
 /** @brief Add a "router" to the network element list */
@@ -96,31 +96,28 @@ simgrid::kernel::routing::NetPoint* sg_platf_new_router(const std::string& name,
   xbt_assert(nullptr == simgrid::s4u::Engine::get_instance()->netpoint_by_name_or_null(name),
              "Refusing to create a router named '%s': this name already describes a node.", name.c_str());
 
-  auto* netpoint =
-      new simgrid::kernel::routing::NetPoint(name, simgrid::kernel::routing::NetPoint::Type::Router, current_routing);
+  auto* netpoint = new simgrid::kernel::routing::NetPoint(name, simgrid::kernel::routing::NetPoint::Type::Router);
+  netpoint->set_englobing_zone(current_routing);
   XBT_DEBUG("Router '%s' has the id %u", netpoint->get_cname(), netpoint->id());
 
   if (coords && strcmp(coords, ""))
     new simgrid::kernel::routing::vivaldi::Coords(netpoint, coords);
 
-
   return netpoint;
 }
 
 static void sg_platf_new_link(const simgrid::kernel::routing::LinkCreationArgs* args, const std::string& link_name)
 {
-  simgrid::s4u::Link* link = routing_get_current()->create_link(link_name, args->bandwidths, args->latency, args->policy);
-
+  simgrid::s4u::Link* link = routing_get_current()->create_link(link_name, args->bandwidths, args->policy);
   if (args->properties)
     link->set_properties(*args->properties);
 
-  simgrid::kernel::resource::LinkImpl* l = link->get_impl();
-  if (args->latency_trace)
-    l->set_latency_profile(args->latency_trace);
-  if (args->bandwidth_trace)
-    l->set_bandwidth_profile(args->bandwidth_trace);
-  if (args->state_trace)
-    l->set_state_profile(args->state_trace);
+  link->get_impl() // this call to get_impl saves some simcalls but can be removed
+      ->set_state_profile(args->state_trace)
+      ->set_latency_profile(args->latency_trace)
+      ->set_bandwidth_profile(args->bandwidth_trace)
+      ->set_latency(args->latency)
+      ->seal();
 }
 
 void sg_platf_new_link(const simgrid::kernel::routing::LinkCreationArgs* link)
@@ -141,9 +138,9 @@ void sg_platf_new_cluster(simgrid::kernel::routing::ClusterCreationArgs* cluster
   using simgrid::kernel::routing::FatTreeZone;
   using simgrid::kernel::routing::TorusZone;
 
-  int rankId=0;
+  int rankId = 0;
 
-  // What an inventive way of initializing the AS that I have as ancestor :-(
+  // What an inventive way of initializing the NetZone that I have as ancestor :-(
   simgrid::kernel::routing::ZoneCreationArgs zone;
   zone.id = cluster->id;
   switch (cluster->topology) {
@@ -161,20 +158,18 @@ void sg_platf_new_cluster(simgrid::kernel::routing::ClusterCreationArgs* cluster
       break;
   }
   sg_platf_new_Zone_begin(&zone);
-  auto* current_as = static_cast<ClusterZone*>(routing_get_current());
-  current_as->parse_specific_arguments(cluster);
+  auto* current_zone = static_cast<ClusterZone*>(routing_get_current());
+  current_zone->parse_specific_arguments(cluster);
   if (cluster->properties != nullptr)
     for (auto const& elm : *cluster->properties)
-      current_as->get_iface()->set_property(elm.first, elm.second);
+      current_zone->get_iface()->set_property(elm.first, elm.second);
 
-  if(cluster->loopback_bw > 0 || cluster->loopback_lat > 0){
-    current_as->num_links_per_node_++;
-    current_as->has_loopback_ = true;
+  if (cluster->loopback_bw > 0 || cluster->loopback_lat > 0) {
+    current_zone->set_loopback();
   }
 
-  if(cluster->limiter_link > 0){
-    current_as->num_links_per_node_++;
-    current_as->has_limiter_ = true;
+  if (cluster->limiter_link > 0) {
+    current_zone->set_limiter();
   }
 
   for (int const& i : *cluster->radicals) {
@@ -193,9 +188,9 @@ void sg_platf_new_cluster(simgrid::kernel::routing::ClusterCreationArgs* cluster
     }
 
     host.speed_per_pstate = cluster->speeds;
-    host.pstate = 0;
-    host.core_amount = cluster->core_amount;
-    host.coord = "";
+    host.pstate           = 0;
+    host.core_amount      = cluster->core_amount;
+    host.coord            = "";
     sg_platf_new_host(&host);
     XBT_DEBUG("</host>");
 
@@ -207,50 +202,49 @@ void sg_platf_new_cluster(simgrid::kernel::routing::ClusterCreationArgs* cluster
     // the second column may store a limiter link if p_has_limiter is set
     // other columns are to store one or more link for the node
 
-    //add a loopback link
+    // add a loopback link
     const simgrid::s4u::Link* linkUp   = nullptr;
     const simgrid::s4u::Link* linkDown = nullptr;
-    if(cluster->loopback_bw > 0 || cluster->loopback_lat > 0){
+    if (cluster->loopback_bw > 0 || cluster->loopback_lat > 0) {
       std::string tmp_link = link_id + "_loopback";
       XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link.c_str(), cluster->loopback_bw);
 
       simgrid::kernel::routing::LinkCreationArgs link;
-      link.id        = tmp_link;
+      link.id = tmp_link;
       link.bandwidths.push_back(cluster->loopback_bw);
-      link.latency   = cluster->loopback_lat;
-      link.policy    = simgrid::s4u::Link::SharingPolicy::FATPIPE;
+      link.latency = cluster->loopback_lat;
+      link.policy  = simgrid::s4u::Link::SharingPolicy::FATPIPE;
       sg_platf_new_link(&link);
       linkUp   = simgrid::s4u::Link::by_name_or_null(tmp_link);
       linkDown = simgrid::s4u::Link::by_name_or_null(tmp_link);
 
-      ClusterZone* as_cluster = current_as;
-      as_cluster->private_links_.insert({as_cluster->node_pos(rankId), {linkUp->get_impl(), linkDown->get_impl()}});
+      current_zone->add_private_link_at(current_zone->node_pos(rankId), {linkUp->get_impl(), linkDown->get_impl()});
     }
 
-    //add a limiter link (shared link to account for maximal bandwidth of the node)
+    // add a limiter link (shared link to account for maximal bandwidth of the node)
     linkUp   = nullptr;
     linkDown = nullptr;
-    if(cluster->limiter_link > 0){
+    if (cluster->limiter_link > 0) {
       std::string tmp_link = std::string(link_id) + "_limiter";
       XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", tmp_link.c_str(), cluster->limiter_link);
 
       simgrid::kernel::routing::LinkCreationArgs link;
-      link.id        = tmp_link;
+      link.id = tmp_link;
       link.bandwidths.push_back(cluster->limiter_link);
       link.latency = 0;
-      link.policy    = simgrid::s4u::Link::SharingPolicy::SHARED;
+      link.policy  = simgrid::s4u::Link::SharingPolicy::SHARED;
       sg_platf_new_link(&link);
       linkDown = simgrid::s4u::Link::by_name_or_null(tmp_link);
       linkUp   = linkDown;
-      current_as->private_links_.insert(
-          {current_as->node_pos_with_loopback(rankId), {linkUp->get_impl(), linkDown->get_impl()}});
+      current_zone->add_private_link_at(current_zone->node_pos_with_loopback(rankId),
+                                        {linkUp->get_impl(), linkDown->get_impl()});
     }
 
-    //call the cluster function that adds the others links
+    // call the cluster function that adds the others links
     if (cluster->topology == simgrid::kernel::routing::ClusterTopology::FAT_TREE) {
-      static_cast<FatTreeZone*>(current_as)->add_processing_node(i);
+      static_cast<FatTreeZone*>(current_zone)->add_processing_node(i);
     } else {
-      current_as->create_links_for_node(cluster, i, rankId, current_as->node_pos_with_loopback_limiter(rankId));
+      current_zone->create_links_for_node(cluster, i, rankId, current_zone->node_pos_with_loopback_limiter(rankId));
     }
     rankId++;
   }
@@ -261,15 +255,15 @@ void sg_platf_new_cluster(simgrid::kernel::routing::ClusterCreationArgs* cluster
   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;
-  current_as->router_ = sg_platf_new_router(cluster->router_id, nullptr);
+  current_zone->set_router(sg_platf_new_router(cluster->router_id, nullptr));
 
-  //Make the backbone
+  // Make the backbone
   if ((cluster->bb_bw > 0) || (cluster->bb_lat > 0)) {
     simgrid::kernel::routing::LinkCreationArgs link;
-    link.id        = std::string(cluster->id)+ "_backbone";
+    link.id = std::string(cluster->id) + "_backbone";
     link.bandwidths.push_back(cluster->bb_bw);
-    link.latency   = cluster->bb_lat;
-    link.policy    = cluster->bb_sharing_policy;
+    link.latency = cluster->bb_lat;
+    link.policy  = cluster->bb_sharing_policy;
 
     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link.id.c_str(), cluster->bb_bw, cluster->bb_lat);
     sg_platf_new_link(&link);
@@ -277,7 +271,7 @@ void sg_platf_new_cluster(simgrid::kernel::routing::ClusterCreationArgs* cluster
     routing_cluster_add_backbone(simgrid::s4u::Link::by_name(link.id)->get_impl());
   }
 
-  XBT_DEBUG("</AS>");
+  XBT_DEBUG("</zone>");
   sg_platf_new_Zone_seal();
 
   simgrid::kernel::routing::on_cluster_creation(*cluster);
@@ -289,10 +283,10 @@ void routing_cluster_add_backbone(simgrid::kernel::resource::LinkImpl* bb)
   auto* cluster = dynamic_cast<simgrid::kernel::routing::ClusterZone*>(current_routing);
 
   xbt_assert(cluster, "Only hosts from Cluster can get a backbone.");
-  xbt_assert(nullptr == cluster->backbone_, "Cluster %s already has a backbone link!", cluster->get_cname());
+  xbt_assert(not cluster->has_backbone(), "Cluster %s already has a backbone link!", cluster->get_cname());
 
-  cluster->backbone_ = bb;
-  XBT_DEBUG("Add a backbone to AS '%s'", current_routing->get_cname());
+  cluster->set_backbone(bb);
+  XBT_DEBUG("Add a backbone to zone '%s'", current_routing->get_cname());
 }
 
 void sg_platf_new_cabinet(const simgrid::kernel::routing::CabinetCreationArgs* cabinet)
@@ -300,17 +294,17 @@ void sg_platf_new_cabinet(const simgrid::kernel::routing::CabinetCreationArgs* c
   for (int const& radical : *cabinet->radicals) {
     std::string hostname = cabinet->prefix + std::to_string(radical) + cabinet->suffix;
     simgrid::kernel::routing::HostCreationArgs host;
-    host.pstate           = 0;
-    host.core_amount      = 1;
-    host.id               = hostname;
+    host.pstate      = 0;
+    host.core_amount = 1;
+    host.id          = hostname;
     host.speed_per_pstate.push_back(cabinet->speed);
     sg_platf_new_host(&host);
 
     simgrid::kernel::routing::LinkCreationArgs link;
-    link.policy    = simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX;
-    link.latency   = cabinet->lat;
+    link.policy  = simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX;
+    link.latency = cabinet->lat;
     link.bandwidths.push_back(cabinet->bw);
-    link.id        = "link_" + hostname;
+    link.id = "link_" + hostname;
     sg_platf_new_link(&link);
 
     simgrid::kernel::routing::HostLinkCreationArgs host_link;
@@ -324,29 +318,15 @@ void sg_platf_new_cabinet(const simgrid::kernel::routing::CabinetCreationArgs* c
 
 simgrid::kernel::resource::DiskImpl* sg_platf_new_disk(const simgrid::kernel::routing::DiskCreationArgs* disk)
 {
-  simgrid::kernel::lmm::System* maxmin_system = surf_disk_model->get_maxmin_system();
-  simgrid::kernel::resource::DiskImpl* pimpl = surf_disk_model->create_disk();
+  simgrid::kernel::resource::DiskImpl* pimpl =
+      routing_get_current()->create_disk(disk->id, disk->read_bw, disk->write_bw)->get_impl();
 
-  // This should be done using s4u::Disk methods and passed to the pimpl
-  pimpl->set_read_bandwidth(disk->read_bw)
-      ->set_write_bandwidth(disk->write_bw)
-      ->set_name(disk->id);
   if (disk->properties) {
     pimpl->set_properties(*disk->properties);
     delete disk->properties;
   }
 
-  // This should be done in the seal() of a Disk creation
-  pimpl->set_read_constraint(maxmin_system->constraint_new(pimpl,disk->read_bw))
-      ->set_write_constraint(maxmin_system->constraint_new(pimpl, disk->write_bw))
-      ->set_model(surf_disk_model)
-      ->set_constraint(maxmin_system->constraint_new(pimpl, std::max(disk->read_bw, disk->write_bw)));
-
-  XBT_DEBUG("Create resource with read_bw '%f' write_bw '%f'", disk->read_bw, disk->write_bw);
-  pimpl->turn_on();
-
-  // Temporary hack
-  pimpl->get_iface()->set_name(disk->id);
+  pimpl->seal();
   simgrid::s4u::Disk::on_creation(*pimpl->get_iface());
   return pimpl;
 }
@@ -392,14 +372,14 @@ void sg_platf_new_actor(simgrid::kernel::routing::ActorCreationArgs* actor)
   double kill_time  = actor->kill_time;
   bool auto_restart = actor->restart_on_failure;
 
-  std::string actor_name     = actor->args[0];
+  std::string actor_name                 = actor->args[0];
   simgrid::kernel::actor::ActorCode code = factory(std::move(actor->args));
   std::shared_ptr<std::unordered_map<std::string, std::string>> properties(actor->properties);
 
   auto* arg =
       new simgrid::kernel::actor::ProcessArg(actor_name, code, nullptr, host, kill_time, properties, auto_restart);
 
-  host->pimpl_->add_actor_at_boot(arg);
+  host->get_impl()->add_actor_at_boot(arg);
 
   if (start_time > SIMIX_get_clock()) {
     arg = new simgrid::kernel::actor::ProcessArg(actor_name, code, nullptr, host, kill_time, properties, auto_restart);
@@ -414,7 +394,7 @@ void sg_platf_new_actor(simgrid::kernel::routing::ActorCreationArgs* actor)
         new_actor->set_auto_restart(auto_restart);
       delete arg;
     });
-  } else {                      // start_time <= SIMIX_get_clock()
+  } else { // start_time <= SIMIX_get_clock()
     XBT_DEBUG("Starting Process %s(%s) right now", arg->name.c_str(), host->get_cname());
 
     try {
@@ -434,60 +414,78 @@ void sg_platf_new_actor(simgrid::kernel::routing::ActorCreationArgs* actor)
 
 void sg_platf_new_peer(const simgrid::kernel::routing::PeerCreationArgs* peer)
 {
-  auto* as = dynamic_cast<simgrid::kernel::routing::VivaldiZone*>(current_routing);
-  xbt_assert(as, "<peer> tag can only be used in Vivaldi netzones.");
+  auto* zone = dynamic_cast<simgrid::kernel::routing::VivaldiZone*>(current_routing);
+  xbt_assert(zone, "<peer> tag can only be used in Vivaldi netzones.");
 
   std::vector<double> speed_per_pstate;
   speed_per_pstate.push_back(peer->speed);
-  simgrid::s4u::Host* host = as->create_host(peer->id, speed_per_pstate, 1);
+  simgrid::s4u::Host* host = zone->create_host(peer->id, speed_per_pstate);
 
-  as->set_peer_link(host->get_netpoint(), peer->bw_in, peer->bw_out, peer->coord);
+  zone->set_peer_link(host->get_netpoint(), peer->bw_in, peer->bw_out, peer->coord);
 
   /* Change from the defaults */
   if (peer->state_trace)
     host->set_state_profile(peer->state_trace);
   if (peer->speed_trace)
     host->set_speed_profile(peer->speed_trace);
+  host->seal();
   simgrid::s4u::Host::on_creation(*host); // notify the signal
 }
 
-/* Pick the right models for CPU, net and host, and call their model_init_preparse */
-static void surf_config_models_setup()
+/**
+ * @brief Auxiliary function to build the object NetZoneImpl
+ *
+ * Builds the objects, setting its father properties and root netzone if needed
+ * @param zone the parameters defining the Zone to build.
+ * @return Pointer to recently created netzone
+ */
+static simgrid::kernel::routing::NetZoneImpl*
+sg_platf_create_zone(const simgrid::kernel::routing::ZoneCreationArgs* zone)
 {
-  std::string host_model_name    = simgrid::config::get_value<std::string>("host/model");
-  std::string network_model_name = simgrid::config::get_value<std::string>("network/model");
-  std::string cpu_model_name     = simgrid::config::get_value<std::string>("cpu/model");
-  std::string disk_model_name    = simgrid::config::get_value<std::string>("disk/model");
-
-  /* The compound host model is needed when using non-default net/cpu models */
-  if ((not simgrid::config::is_default("network/model") || not simgrid::config::is_default("cpu/model")) &&
-      simgrid::config::is_default("host/model")) {
-    host_model_name = "compound";
-    simgrid::config::set_value("host/model", host_model_name);
-  }
-
-  XBT_DEBUG("host model: %s", host_model_name.c_str());
-  if (host_model_name == "compound") {
-    xbt_assert(not cpu_model_name.empty(), "Set a cpu model to use with the 'compound' host model");
-    xbt_assert(not network_model_name.empty(), "Set a network model to use with the 'compound' host model");
-
-    int cpu_id = find_model_description(surf_cpu_model_description, cpu_model_name);
-    surf_cpu_model_description[cpu_id].model_init_preparse();
+  /* search the routing model */
+  simgrid::kernel::routing::NetZoneImpl* new_zone = nullptr;
 
-    int network_id = find_model_description(surf_network_model_description, network_model_name);
-    surf_network_model_description[network_id].model_init_preparse();
+  if (strcasecmp(zone->routing.c_str(), "Cluster") == 0) {
+    new_zone = new simgrid::kernel::routing::ClusterZone(zone->id);
+  } else if (strcasecmp(zone->routing.c_str(), "ClusterDragonfly") == 0) {
+    new_zone = new simgrid::kernel::routing::DragonflyZone(zone->id);
+  } else if (strcasecmp(zone->routing.c_str(), "ClusterTorus") == 0) {
+    new_zone = new simgrid::kernel::routing::TorusZone(zone->id);
+  } else if (strcasecmp(zone->routing.c_str(), "ClusterFatTree") == 0) {
+    new_zone = new simgrid::kernel::routing::FatTreeZone(zone->id);
+  } else if (strcasecmp(zone->routing.c_str(), "Dijkstra") == 0) {
+    new_zone = new simgrid::kernel::routing::DijkstraZone(zone->id, false);
+  } else if (strcasecmp(zone->routing.c_str(), "DijkstraCache") == 0) {
+    new_zone = new simgrid::kernel::routing::DijkstraZone(zone->id, true);
+  } else if (strcasecmp(zone->routing.c_str(), "Floyd") == 0) {
+    new_zone = new simgrid::kernel::routing::FloydZone(zone->id);
+  } else if (strcasecmp(zone->routing.c_str(), "Full") == 0) {
+    new_zone = new simgrid::kernel::routing::FullZone(zone->id);
+  } else if (strcasecmp(zone->routing.c_str(), "None") == 0) {
+    new_zone = new simgrid::kernel::routing::EmptyZone(zone->id);
+  } else if (strcasecmp(zone->routing.c_str(), "Vivaldi") == 0) {
+    new_zone = new simgrid::kernel::routing::VivaldiZone(zone->id);
+  } else if (strcasecmp(zone->routing.c_str(), "Wifi") == 0) {
+    new_zone = new simgrid::kernel::routing::WifiZone(zone->id);
+  } else {
+    xbt_die("Not a valid model!");
   }
+  new_zone->set_parent(current_routing);
 
-  XBT_DEBUG("Call host_model_init");
-  int host_id = find_model_description(surf_host_model_description, host_model_name);
-  surf_host_model_description[host_id].model_init_preparse();
-
-  XBT_DEBUG("Call vm_model_init");
-  surf_vm_model_init_HL13();
-
-  XBT_DEBUG("Call disk_model_init");
-  int disk_id = find_model_description(surf_disk_model_description, disk_model_name);
-  surf_disk_model_description[disk_id].model_init_preparse();
+  if (current_routing) {
+    /* set the father behavior */
+    if (current_routing->hierarchy_ == simgrid::kernel::routing::NetZoneImpl::RoutingMode::unset)
+      current_routing->hierarchy_ = simgrid::kernel::routing::NetZoneImpl::RoutingMode::recursive;
+    /* add to the sons dictionary */
+    current_routing->add_child(new_zone);
+    /* set models from parent netzone */
+    new_zone->set_network_model(current_routing->get_network_model());
+    new_zone->set_cpu_pm_model(current_routing->get_cpu_pm_model());
+    new_zone->set_cpu_vm_model(current_routing->get_cpu_vm_model());
+    new_zone->set_disk_model(current_routing->get_disk_model());
+    new_zone->set_host_model(current_routing->get_host_model());
+  }
+  return new_zone;
 }
 
 /**
@@ -502,63 +500,15 @@ static void surf_config_models_setup()
  */
 simgrid::kernel::routing::NetZoneImpl* sg_platf_new_Zone_begin(const simgrid::kernel::routing::ZoneCreationArgs* zone)
 {
-  if (not surf_parse_models_setup_already_called) {
-    simgrid::s4u::Engine::on_platform_creation();
-
-    /* Initialize the surf models. That must be done after we got all config, and before we need the models.
-     * That is, after the last <config> tag, if any, and before the first of cluster|peer|zone|trace|trace_connect
-     *
-     * I'm not sure for <trace> and <trace_connect>, there may be a bug here
-     * (FIXME: check it out by creating a file beginning with one of these tags)
-     * but cluster and peer come down to zone creations, so putting this verification here is correct.
-     */
-    surf_parse_models_setup_already_called = 1;
-    surf_config_models_setup();
-  }
+  /* First create the zone.
+   * This order is important to assure that root netzone is set when models are setting
+   * the default mode for each resource (CPU, network, etc)
+   */
+  auto* new_zone = sg_platf_create_zone(zone);
 
   _sg_cfg_init_status = 2; /* HACK: direct access to the global controlling the level of configuration to prevent
                             * any further config now that we created some real content */
 
-  /* search the routing model */
-  simgrid::kernel::routing::NetZoneImpl* new_zone = nullptr;
-  simgrid::kernel::resource::NetworkModel* netmodel =
-      current_routing == nullptr ? surf_network_model : current_routing->network_model_;
-  if (strcasecmp(zone->routing.c_str(), "Cluster") == 0) {
-      new_zone = new simgrid::kernel::routing::ClusterZone(current_routing, zone->id, netmodel);
-  } else if (strcasecmp(zone->routing.c_str(),"ClusterDragonfly") == 0) {
-      new_zone = new simgrid::kernel::routing::DragonflyZone(current_routing, zone->id, netmodel);
-  } else if (strcasecmp(zone->routing.c_str(),"ClusterTorus") == 0) {
-      new_zone = new simgrid::kernel::routing::TorusZone(current_routing, zone->id, netmodel);
-  } else if (strcasecmp(zone->routing.c_str(),"ClusterFatTree") == 0) {
-      new_zone = new simgrid::kernel::routing::FatTreeZone(current_routing, zone->id, netmodel);
-  } else if (strcasecmp(zone->routing.c_str(),"Dijkstra") == 0) {
-      new_zone = new simgrid::kernel::routing::DijkstraZone(current_routing, zone->id, netmodel, false);
-  } else if (strcasecmp(zone->routing.c_str(),"DijkstraCache") == 0) {
-      new_zone = new simgrid::kernel::routing::DijkstraZone(current_routing, zone->id, netmodel, true);
-  } else if (strcasecmp(zone->routing.c_str(),"Floyd") == 0) {
-      new_zone = new simgrid::kernel::routing::FloydZone(current_routing, zone->id, netmodel);
-  } else if (strcasecmp(zone->routing.c_str(),"Full") == 0) {
-      new_zone = new simgrid::kernel::routing::FullZone(current_routing, zone->id, netmodel);
-  } else if (strcasecmp(zone->routing.c_str(),"None") == 0) {
-      new_zone = new simgrid::kernel::routing::EmptyZone(current_routing, zone->id, netmodel);
-  } else if (strcasecmp(zone->routing.c_str(),"Vivaldi") == 0) {
-      new_zone = new simgrid::kernel::routing::VivaldiZone(current_routing, zone->id, netmodel);
-  } else if (strcasecmp(zone->routing.c_str(), "Wifi") == 0) {
-    new_zone = new simgrid::kernel::routing::WifiZone(current_routing, zone->id, netmodel);
-  } else {
-    xbt_die("Not a valid model!");
-  }
-
-  if (current_routing == nullptr) { /* it is the first one */
-    simgrid::s4u::Engine::get_instance()->set_netzone_root(new_zone->get_iface());
-  } else {
-    /* set the father behavior */
-    if (current_routing->hierarchy_ == simgrid::kernel::routing::NetZoneImpl::RoutingMode::unset)
-      current_routing->hierarchy_ = simgrid::kernel::routing::NetZoneImpl::RoutingMode::recursive;
-    /* add to the sons dictionary */
-    current_routing->get_children()->push_back(new_zone);
-  }
-
   /* set the new current component of the tree */
   current_routing = new_zone;
   simgrid::s4u::NetZone::on_creation(*new_zone->get_iface()); // notify the signal
@@ -585,7 +535,7 @@ void sg_platf_new_Zone_seal()
   xbt_assert(current_routing, "Cannot seal the current Zone: zone under construction");
   current_routing->seal();
   simgrid::s4u::NetZone::on_seal(*current_routing->get_iface());
-  current_routing = current_routing->get_father();
+  current_routing = current_routing->get_parent();
 }
 
 /** @brief Add a link connecting a host to the rest of its Zone (which must be cluster or vivaldi) */
@@ -602,13 +552,13 @@ void sg_platf_new_hostlink(const simgrid::kernel::routing::HostLinkCreationArgs*
   xbt_assert(linkUp, "Link '%s' not found!", hostlink->link_up.c_str());
   xbt_assert(linkDown, "Link '%s' not found!", hostlink->link_down.c_str());
 
-  auto* as_cluster = static_cast<simgrid::kernel::routing::ClusterZone*>(current_routing);
+  auto* cluster_zone = static_cast<simgrid::kernel::routing::ClusterZone*>(current_routing);
 
-  if (as_cluster->private_links_.find(netpoint->id()) != as_cluster->private_links_.end())
+  if (cluster_zone->private_link_exists_at(netpoint->id()))
     surf_parse_error(std::string("Host_link for '") + hostlink->id.c_str() + "' is already defined!");
 
   XBT_DEBUG("Push Host_link for host '%s' to position %u", netpoint->get_cname(), netpoint->id());
-  as_cluster->private_links_.insert({netpoint->id(), {linkUp->get_impl(), linkDown->get_impl()}});
+  cluster_zone->add_private_link_at(netpoint->id(), {linkUp->get_impl(), linkDown->get_impl()});
 }
 
 void sg_platf_new_trace(simgrid::kernel::routing::ProfileCreationArgs* profile)