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don't convert host to name to host. Perl epoch is over.
[simgrid.git] / src / surf / sg_platf.cpp
index 4f1020c..e1971f0 100644 (file)
@@ -9,6 +9,7 @@
 #include "xbt/str.h"
 #include "xbt/dict.h"
 #include "xbt/RngStream.h"
+#include <xbt/functional.hpp>
 #include <xbt/signal.hpp>
 #include "src/surf/HostImpl.hpp"
 #include "surf/surf.h"
 #include "src/surf/network_interface.hpp"
 #include "surf/surf_routing.h" // FIXME: brain dead public header
 
-#include "src/surf/AsImpl.hpp"
-#include "src/surf/AsCluster.hpp"
-#include "src/surf/AsClusterTorus.hpp"
-#include "src/surf/AsClusterFatTree.hpp"
-#include "src/surf/AsDijkstra.hpp"
-#include "src/surf/AsFloyd.hpp"
-#include "src/surf/AsFull.hpp"
-#include "src/surf/AsNone.hpp"
-#include "src/surf/AsVivaldi.hpp"
+#include "src/kernel/routing/AsImpl.hpp"
+#include "src/kernel/routing/AsCluster.hpp"
+#include "src/kernel/routing/AsClusterTorus.hpp"
+#include "src/kernel/routing/AsClusterFatTree.hpp"
+#include "src/kernel/routing/AsClusterDragonfly.hpp"
+#include "src/kernel/routing/AsDijkstra.hpp"
+#include "src/kernel/routing/AsFloyd.hpp"
+#include "src/kernel/routing/AsFull.hpp"
+#include "src/kernel/routing/AsNone.hpp"
+#include "src/kernel/routing/AsVivaldi.hpp"
 
 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
 
-XBT_PRIVATE xbt_dynar_t mount_list = NULL;
+XBT_PRIVATE xbt_dynar_t mount_list = nullptr;
 
 namespace simgrid {
 namespace surf {
@@ -86,18 +88,18 @@ static std::vector<int> *explodesRadical(const char*radicals){
 
 
 /** The current AS in the parsing */
-static simgrid::surf::AsImpl *current_routing = NULL;
-static simgrid::surf::AsImpl* routing_get_current()
+static simgrid::kernel::routing::AsImpl *current_routing = nullptr;
+static simgrid::kernel::routing::AsImpl *routing_get_current()
 {
   return current_routing;
 }
 
 /** Module management function: creates all internal data structures */
-void sg_platf_init(void) {
+void sg_platf_init() {
 }
 
 /** Module management function: frees all internal data structures */
-void sg_platf_exit(void) {
+void sg_platf_exit() {
   simgrid::surf::on_link.disconnect_all_slots();
   simgrid::surf::on_cluster.disconnect_all_slots();
   simgrid::surf::on_postparse.disconnect_all_slots();
@@ -110,21 +112,21 @@ void sg_platf_exit(void) {
 /** @brief Add an "host" to the current AS */
 void sg_platf_new_host(sg_platf_host_cbarg_t host)
 {
-  xbt_assert(! sg_host_by_name(host->id), "Refusing to create a second host named '%s'.", host->id);
+  xbt_assert(sg_host_by_name(host->id) == nullptr, "Refusing to create a second host named '%s'.", host->id);
 
-  simgrid::surf::AsImpl* current_routing = routing_get_current();
-  if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
-    current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
+  simgrid::kernel::routing::AsImpl* current_routing = routing_get_current();
+  if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
+    current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::base;
 
-  simgrid::surf::NetCard *netcard =
-      new simgrid::surf::NetCardImpl(host->id, simgrid::surf::NetCard::Type::Host, current_routing);
+  simgrid::kernel::routing::NetCard *netcard =
+      new simgrid::kernel::routing::NetCardImpl(host->id, simgrid::kernel::routing::NetCard::Type::Host, current_routing);
 
   sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
   h->pimpl_netcard = netcard;
 
-  if(mount_list){
+  if(mount_list) {
     xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
-    mount_list = NULL;
+    mount_list = nullptr;
   }
 
   if (host->coord && strcmp(host->coord, "")) {
@@ -136,7 +138,7 @@ void sg_platf_new_host(sg_platf_host_cbarg_t host)
     xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
     xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", host->id);
 
-    xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
+    xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),nullptr);
     xbt_dynar_foreach(ctn_str,cursor, str) {
       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
       xbt_dynar_push(ctn,&val);
@@ -146,7 +148,7 @@ void sg_platf_new_host(sg_platf_host_cbarg_t host)
     h->extension_set(COORD_HOST_LEVEL, (void *) ctn);
   }
 
-  simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h, host->speed_per_pstate, host->core_amount);
+  simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu( h, &host->speed_per_pstate, host->core_amount);
   if (host->state_trace)
     cpu->setStateTrace(host->state_trace);
   if (host->speed_trace)
@@ -154,7 +156,7 @@ void sg_platf_new_host(sg_platf_host_cbarg_t host)
   surf_host_model->createHost(host->id, netcard, cpu)->attach(h);
 
   if (host->properties) {
-    xbt_dict_cursor_t cursor=NULL;
+    xbt_dict_cursor_t cursor=nullptr;
     char *key,*data;
     xbt_dict_foreach(host->properties,cursor,key,data)
       h->setProperty(key,data);
@@ -173,17 +175,18 @@ void sg_platf_new_host(sg_platf_host_cbarg_t host)
 /** @brief Add a "router" to the network element list */
 void sg_platf_new_router(sg_platf_router_cbarg_t router)
 {
-  simgrid::surf::AsImpl* current_routing = routing_get_current();
+  using simgrid::kernel::routing::AsCluster;
+  simgrid::kernel::routing::AsImpl* current_routing = routing_get_current();
 
-  if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
-    current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::base;
+  if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
+    current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::base;
   xbt_assert(nullptr == xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
              "Refusing to create a router named '%s': this name already describes a node.", router->id);
 
-  simgrid::surf::NetCard *netcard =
-    new simgrid::surf::NetCardImpl(router->id, simgrid::surf::NetCard::Type::Router, current_routing);
-  xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) netcard);
-  XBT_DEBUG("Having set name '%s' id '%d'", router->id, netcard->id());
+  simgrid::kernel::routing::NetCard* netcard =
+    new simgrid::kernel::routing::NetCardImpl(router->id, simgrid::kernel::routing::NetCard::Type::Router, current_routing);
+  xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, netcard);
+  XBT_DEBUG("Router '%s' has the id %d", router->id, netcard->id());
 
   if (router->coord && strcmp(router->coord, "")) {
     unsigned int cursor;
@@ -193,7 +196,7 @@ void sg_platf_new_router(sg_platf_router_cbarg_t router)
     /* Pre-parse the host coordinates */
     xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
     xbt_assert(xbt_dynar_length(ctn_str)==3,"Coordinates of %s must have 3 dimensions", router->id);
-    xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
+    xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),nullptr);
     xbt_dynar_foreach(ctn_str,cursor, str) {
       double val = xbt_str_parse_double(str, "Invalid coordinate: %s");
       xbt_dynar_push(ctn,&val);
@@ -203,6 +206,10 @@ void sg_platf_new_router(sg_platf_router_cbarg_t router)
     xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
   }
 
+  auto cluster = dynamic_cast<AsCluster*>(current_routing);
+  if(cluster != nullptr)
+    cluster->router_ = static_cast<simgrid::kernel::routing::NetCard*>(xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL));
+
   if (TRACE_is_enabled() && TRACE_needs_platform())
     sg_instr_new_router(router);
 }
@@ -234,9 +241,10 @@ void sg_platf_new_link(sg_platf_link_cbarg_t link){
 
 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
 {
-  using simgrid::surf::AsCluster;
-  using simgrid::surf::AsClusterTorus;
-  using simgrid::surf::AsClusterFatTree;
+  using simgrid::kernel::routing::AsCluster;
+  using simgrid::kernel::routing::AsClusterDragonfly;
+  using simgrid::kernel::routing::AsClusterFatTree;
+  using simgrid::kernel::routing::AsClusterTorus;
 
   int rankId=0;
 
@@ -249,6 +257,9 @@ void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
   case SURF_CLUSTER_TORUS:
     AS.routing = A_surfxml_AS_routing_ClusterTorus;
     break;
+  case SURF_CLUSTER_DRAGONFLY:
+    AS.routing = A_surfxml_AS_routing_ClusterDragonfly;
+    break;
   case SURF_CLUSTER_FAT_TREE:
     AS.routing = A_surfxml_AS_routing_ClusterFatTree;
     break;
@@ -257,17 +268,17 @@ void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
     break;
   }
   sg_platf_new_AS_begin(&AS);
-  simgrid::surf::AsCluster *current_as = static_cast<AsCluster*>(routing_get_current());
+  simgrid::kernel::routing::AsCluster *current_as = static_cast<AsCluster*>(routing_get_current());
   current_as->parse_specific_arguments(cluster);
 
   if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
-    current_as->nb_links_per_node_++;
-    current_as->has_loopback_ = 1;
+    current_as->linkCountPerNode_++;
+    current_as->hasLoopback_ = 1;
   }
 
   if(cluster->limiter_link!=0){
-    current_as->nb_links_per_node_++;
-    current_as->has_limiter_ = 1;
+    current_as->linkCountPerNode_++;
+    current_as->hasLimiter_ = 1;
   }
 
   std::vector<int> *radicals = explodesRadical(cluster->radical);
@@ -280,8 +291,8 @@ void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
     s_sg_platf_host_cbarg_t host;
     memset(&host, 0, sizeof(host));
     host.id = host_id;
-    if ((cluster->properties != NULL) && (!xbt_dict_is_empty(cluster->properties))) {
-      xbt_dict_cursor_t cursor=NULL;
+    if ((cluster->properties != nullptr) && (!xbt_dict_is_empty(cluster->properties))) {
+      xbt_dict_cursor_t cursor=nullptr;
       char *key,*data;
       host.properties = xbt_dict_new();
 
@@ -290,21 +301,19 @@ void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
       }
     }
 
-    host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
-    xbt_dynar_push(host.speed_per_pstate,&cluster->speed);
+    host.speed_per_pstate.push_back(cluster->speed);
     host.pstate = 0;
     host.core_amount = cluster->core_amount;
     host.coord = "";
     sg_platf_new_host(&host);
-    xbt_dynar_free(&host.speed_per_pstate);
     XBT_DEBUG("</host>");
 
     XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id, cluster->bw, cluster->lat);
 
-    s_surf_parsing_link_up_down_t info_lim, info_loop;
+    s_surf_parsing_link_up_down_t info_lim;
+    s_surf_parsing_link_up_down_t info_loop;
     // All links are saved in a matrix;
-    // every row describes a single node; every node
-    // may have multiple links.
+    // every row describes a single node; every node may have multiple links.
     // the first column may store a link from x to x if p_has_loopback is set
     // 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
@@ -312,7 +321,7 @@ void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
     //add a loopback link
     if(cluster->loopback_bw!=0 || cluster->loopback_lat!=0){
       char *tmp_link = bprintf("%s_loopback", link_id);
-      XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->limiter_link);
+      XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", tmp_link, cluster->loopback_bw);
 
       memset(&link, 0, sizeof(link));
       link.id        = tmp_link;
@@ -320,10 +329,12 @@ void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
       link.latency   = cluster->loopback_lat;
       link.policy    = SURF_LINK_FATPIPE;
       sg_platf_new_link(&link);
-      info_loop.link_up = info_loop.link_down = Link::byName(tmp_link);
+      info_loop.linkUp = Link::byName(tmp_link);
+      info_loop.linkDown = Link::byName(tmp_link);
       free(tmp_link);
+
       auto as_cluster = static_cast<AsCluster*>(current_as);
-      xbt_dynar_set(as_cluster->privateLinks_, rankId*as_cluster->nb_links_per_node_, &info_loop);
+      as_cluster->privateLinks_.insert({rankId*as_cluster->linkCountPerNode_, info_loop});
     }
 
     //add a limiter link (shared link to account for maximal bandwidth of the node)
@@ -337,36 +348,38 @@ void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
       link.latency = 0;
       link.policy = SURF_LINK_SHARED;
       sg_platf_new_link(&link);
-      info_lim.link_up = info_lim.link_down = Link::byName(tmp_link);
+      info_lim.linkUp = info_lim.linkDown = Link::byName(tmp_link);
       free(tmp_link);
-      xbt_dynar_set(current_as->privateLinks_, rankId * current_as->nb_links_per_node_ + current_as->has_loopback_ , &info_lim);
+      current_as->privateLinks_.insert(
+          {rankId * current_as->linkCountPerNode_ + current_as->hasLoopback_ , info_lim});
     }
 
     //call the cluster function that adds the others links
     if (cluster->topology == SURF_CLUSTER_FAT_TREE) {
-      ((AsClusterFatTree*) current_as)->addProcessingNode(i);
+      static_cast<AsClusterFatTree*>(current_as)->addProcessingNode(i);
     }
     else {
       current_as->create_links_for_node(cluster, i, rankId,
-          rankId*current_as->nb_links_per_node_ + current_as->has_loopback_ + current_as->has_limiter_ );
+          rankId*current_as->linkCountPerNode_ + current_as->hasLoopback_ + current_as->hasLimiter_ );
     }
     xbt_free(link_id);
     xbt_free(host_id);
     rankId++;
   }
+  delete radicals;
 
   // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
   // and it's very useful to connect clusters together
   XBT_DEBUG(" ");
   XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
-  char *newid = NULL;
+  char *newid = nullptr;
   s_sg_platf_router_cbarg_t router;
   memset(&router, 0, sizeof(router));
   router.id = cluster->router_id;
   if (!router.id || !strcmp(router.id, ""))
     router.id = newid = bprintf("%s%s_router%s", cluster->prefix, cluster->id, cluster->suffix);
   sg_platf_new_router(&router);
-  current_as->router_ = (simgrid::surf::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
+  current_as->router_ = (simgrid::kernel::routing::NetCard*) xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL);
   free(newid);
 
   //Make the backbone
@@ -391,7 +404,7 @@ void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
   simgrid::surf::on_cluster(cluster);
 }
 void routing_cluster_add_backbone(simgrid::surf::Link* bb) {
-  simgrid::surf::AsCluster *cluster = dynamic_cast<simgrid::surf::AsCluster*>(current_routing);
+  simgrid::kernel::routing::AsCluster *cluster = dynamic_cast<simgrid::kernel::routing::AsCluster*>(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->name());
@@ -411,10 +424,8 @@ void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet)
     host.pstate           = 0;
     host.core_amount      = 1;
     host.id               = hostname;
-    host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
-    xbt_dynar_push(host.speed_per_pstate,&cabinet->speed);
+    host.speed_per_pstate.push_back(cabinet->speed);
     sg_platf_new_host(&host);
-    xbt_dynar_free(&host.speed_per_pstate);
 
     s_sg_platf_link_cbarg_t link;
     memset(&link, 0, sizeof(link));
@@ -542,8 +553,6 @@ void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
 
 void sg_platf_new_process(sg_platf_process_cbarg_t process)
 {
-  xbt_assert(simix_global,"Cannot create process without SIMIX.");
-
   sg_host_t host = sg_host_by_name(process->host);
   if (!host) {
     // The requested host does not exist. Do a nice message to the user
@@ -566,79 +575,74 @@ void sg_platf_new_process(sg_platf_process_cbarg_t process)
     msg->data[msg->used-3]='\0';
     xbt_die("%s", msg->data);
   }
-  xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
-  xbt_assert(parse_code, "Function '%s' unknown", process->function);
+  simgrid::simix::ActorCodeFactory& factory = SIMIX_get_actor_code_factory(process->function);
+  xbt_assert(factory, "Function '%s' unknown", process->function);
 
   double start_time = process->start_time;
   double kill_time  = process->kill_time;
   int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
 
-  smx_process_arg_t arg = NULL;
-  smx_process_t process_created = NULL;
-
-  arg = xbt_new0(s_smx_process_arg_t, 1);
-  arg->code = parse_code;
-  arg->data = NULL;
-  arg->hostname = sg_host_get_name(host);
-  arg->argc = process->argc;
-  arg->argv = xbt_new(char *,process->argc);
-  int i;
-  for (i=0; i<process->argc; i++)
-    arg->argv[i] = xbt_strdup(process->argv[i]);
-  arg->name = xbt_strdup(arg->argv[0]);
+  std::vector<std::string> args(process->argv, process->argv + process->argc);
+  std::function<void()> code = factory(std::move(args));
+
+  smx_process_arg_t arg = nullptr;
+  smx_actor_t process_created = nullptr;
+
+  arg = new simgrid::simix::ProcessArg();
+  arg->name = std::string(process->argv[0]);
+  arg->code = code;
+  arg->data = nullptr;
+  arg->host = host;
   arg->kill_time = kill_time;
   arg->properties = current_property_set;
-  if (!sg_host_simix(host)->boot_processes) {
-    sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
-  }
-  xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
+
+  sg_host_simix(host)->boot_processes.push_back(arg);
 
   if (start_time > SIMIX_get_clock()) {
-    arg = xbt_new0(s_smx_process_arg_t, 1);
-    arg->name = (char*)(process->argv)[0];
-    arg->code = parse_code;
-    arg->data = NULL;
-    arg->hostname = sg_host_get_name(host);
-    arg->argc = process->argc;
-    arg->argv = (char**)(process->argv);
+
+    arg = new simgrid::simix::ProcessArg();
+    arg->name = std::string(process->argv[0]);
+    arg->code = std::move(code);
+    arg->data = nullptr;
+    arg->host = host;
     arg->kill_time = kill_time;
     arg->properties = current_property_set;
 
-    XBT_DEBUG("Process %s(%s) will be started at time %f", arg->name,
-           arg->hostname, start_time);
-    SIMIX_timer_set(start_time, [](void* arg) {
-      SIMIX_process_create_from_wrapper((smx_process_arg_t) arg);
-    }, arg);
+    XBT_DEBUG("Process %s@%s will be started at time %f",
+      arg->name.c_str(), arg->host->name().c_str(), start_time);
+    SIMIX_timer_set(start_time, [=]() {
+      simix_global->create_process_function(
+                                            arg->name.c_str(),
+                                            std::move(arg->code),
+                                            arg->data,
+                                            arg->host,
+                                            arg->kill_time,
+                                            arg->properties,
+                                            arg->auto_restart,
+                                            nullptr);
+      delete arg;
+    });
   } else {                      // start_time <= SIMIX_get_clock()
-    XBT_DEBUG("Starting Process %s(%s) right now", arg->name, sg_host_get_name(host));
-
-    if (simix_global->create_process_function)
-      process_created = simix_global->create_process_function(
-          arg->name,
-                                            parse_code,
-                                            NULL,
-                                            sg_host_get_name(host),
-                                            kill_time,
-                                            process->argc,
-                                            (char**)(process->argv),
-                                            current_property_set,
-                                            auto_restart, NULL);
-    else
-      process_created = simcall_process_create(arg->name, parse_code, NULL, sg_host_get_name(host), kill_time, process->argc,
-          (char**)process->argv, current_property_set,auto_restart);
+    XBT_DEBUG("Starting Process %s(%s) right now",
+      arg->name.c_str(), sg_host_get_name(host));
+
+    process_created = simix_global->create_process_function(
+        arg->name.c_str(), std::move(code), nullptr,
+        host, kill_time,
+        current_property_set, auto_restart, nullptr);
 
     /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
     if (!process_created) {
       return;
     }
   }
-  current_property_set = NULL;
+  current_property_set = nullptr;
 }
 
 void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
 {
-  using simgrid::surf::NetCard;
-  using simgrid::surf::AsCluster;
+  using simgrid::kernel::routing::NetCard;
+  using simgrid::kernel::routing::AsCluster;
 
   char *host_id = bprintf("peer_%s", peer->id);
   char *router_id = bprintf("router_%s", peer->id);
@@ -656,14 +660,12 @@ void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
   memset(&host, 0, sizeof(host));
   host.id = host_id;
 
-  host.speed_per_pstate = xbt_dynar_new(sizeof(double), NULL);
-  xbt_dynar_push(host.speed_per_pstate,&peer->speed);
+  host.speed_per_pstate.push_back(peer->speed);
   host.pstate = 0;
   host.speed_trace = peer->availability_trace;
   host.state_trace = peer->state_trace;
   host.core_amount = 1;
   sg_platf_new_host(&host);
-  xbt_dynar_free(&host.speed_per_pstate);
 
   s_sg_platf_link_cbarg_t link;
   memset(&link, 0, sizeof(link));
@@ -698,7 +700,6 @@ void sg_platf_new_peer(sg_platf_peer_cbarg_t peer)
   router.id = router_id;
   router.coord = peer->coord;
   sg_platf_new_router(&router);
-  static_cast<AsCluster*>(current_routing)->router_ = static_cast<NetCard*>(xbt_lib_get_or_null(as_router_lib, router.id, ROUTING_ASR_LEVEL));
 
   XBT_DEBUG("</AS>");
   sg_platf_new_AS_seal();
@@ -721,10 +722,10 @@ static void surf_config_models_setup()
   const char *vm_model_name;
   int host_id = -1;
   int vm_id = -1;
-  char *network_model_name = NULL;
-  char *cpu_model_name = NULL;
+  char *network_model_name = nullptr;
+  char *cpu_model_name = nullptr;
   int storage_id = -1;
-  char *storage_model_name = NULL;
+  char *storage_model_name = nullptr;
 
   host_model_name    = xbt_cfg_get_string("host/model");
   vm_model_name      = xbt_cfg_get_string("vm/model");
@@ -793,8 +794,7 @@ static void surf_config_models_setup()
  * Once this function was called, the configuration concerning the used
  * models cannot be changed anymore.
  *
- * @param AS_id name of this autonomous system. Must be unique in the platform
- * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
+ * @param AS the parameters defining the AS to build.
  */
 simgrid::s4u::As * sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
 {
@@ -818,36 +818,37 @@ simgrid::s4u::As * sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
 
 
   /* search the routing model */
-  simgrid::surf::AsImpl *new_as = NULL;
+  simgrid::kernel::routing::AsImpl *new_as = nullptr;
   switch(AS->routing){
-    case A_surfxml_AS_routing_Cluster:        new_as = new simgrid::surf::AsCluster(AS->id);        break;
-    case A_surfxml_AS_routing_ClusterTorus:   new_as = new simgrid::surf::AsClusterTorus(AS->id);   break;
-    case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::surf::AsClusterFatTree(AS->id); break;
-    case A_surfxml_AS_routing_Dijkstra:       new_as = new simgrid::surf::AsDijkstra(AS->id, 0);    break;
-    case A_surfxml_AS_routing_DijkstraCache:  new_as = new simgrid::surf::AsDijkstra(AS->id, 1);    break;
-    case A_surfxml_AS_routing_Floyd:          new_as = new simgrid::surf::AsFloyd(AS->id);          break;
-    case A_surfxml_AS_routing_Full:           new_as = new simgrid::surf::AsFull(AS->id);           break;
-    case A_surfxml_AS_routing_None:           new_as = new simgrid::surf::AsNone(AS->id);           break;
-    case A_surfxml_AS_routing_Vivaldi:        new_as = new simgrid::surf::AsVivaldi(AS->id);        break;
+    case A_surfxml_AS_routing_Cluster:        new_as = new simgrid::kernel::routing::AsCluster(AS->id);        break;
+    case A_surfxml_AS_routing_ClusterDragonfly:   new_as = new simgrid::kernel::routing::AsClusterDragonfly(AS->id);   break;
+    case A_surfxml_AS_routing_ClusterTorus:   new_as = new simgrid::kernel::routing::AsClusterTorus(AS->id);   break;
+    case A_surfxml_AS_routing_ClusterFatTree: new_as = new simgrid::kernel::routing::AsClusterFatTree(AS->id); break;
+    case A_surfxml_AS_routing_Dijkstra:       new_as = new simgrid::kernel::routing::AsDijkstra(AS->id, 0);    break;
+    case A_surfxml_AS_routing_DijkstraCache:  new_as = new simgrid::kernel::routing::AsDijkstra(AS->id, 1);    break;
+    case A_surfxml_AS_routing_Floyd:          new_as = new simgrid::kernel::routing::AsFloyd(AS->id);          break;
+    case A_surfxml_AS_routing_Full:           new_as = new simgrid::kernel::routing::AsFull(AS->id);           break;
+    case A_surfxml_AS_routing_None:           new_as = new simgrid::kernel::routing::AsNone(AS->id);           break;
+    case A_surfxml_AS_routing_Vivaldi:        new_as = new simgrid::kernel::routing::AsVivaldi(AS->id);        break;
     default:                                  xbt_die("Not a valid model!");                        break;
   }
 
   /* make a new routing component */
-  simgrid::surf::NetCard *netcard = new simgrid::surf::NetCardImpl(new_as->name(), simgrid::surf::NetCard::Type::As, current_routing);
+  simgrid::kernel::routing::NetCard *netcard = new simgrid::kernel::routing::NetCardImpl(new_as->name(), simgrid::kernel::routing::NetCard::Type::As, current_routing);
 
-  if (current_routing == NULL && routing_platf->root_ == NULL) { /* it is the first one */
+  if (current_routing == nullptr && routing_platf->root_ == nullptr) { /* it is the first one */
     routing_platf->root_ = new_as;
-  } else if (current_routing != NULL && routing_platf->root_ != NULL) {
+  } else if (current_routing != nullptr && routing_platf->root_ != nullptr) {
 
     xbt_assert(!xbt_dict_get_or_null(current_routing->children(), AS->id),
                "The AS \"%s\" already exists", AS->id);
     /* it is a part of the tree */
     new_as->father_ = current_routing;
     /* set the father behavior */
-    if (current_routing->hierarchy_ == simgrid::surf::AsImpl::RoutingMode::unset)
-      current_routing->hierarchy_ = simgrid::surf::AsImpl::RoutingMode::recursive;
+    if (current_routing->hierarchy_ == simgrid::kernel::routing::AsImpl::RoutingMode::unset)
+      current_routing->hierarchy_ = simgrid::kernel::routing::AsImpl::RoutingMode::recursive;
     /* add to the sons dictionary */
-    xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, NULL);
+    xbt_dict_set(current_routing->children(), AS->id, (void *) new_as, nullptr);
   } else {
     THROWF(arg_error, 0, "All defined components must belong to a AS");
   }
@@ -859,7 +860,7 @@ simgrid::s4u::As * sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
   current_routing = new_as;
   current_routing->netcard_ = netcard;
 
-  simgrid::surf::asCreatedCallbacks(new_as);
+  simgrid::kernel::routing::asCreatedCallbacks(new_as);
   if (TRACE_is_enabled())
     sg_instr_AS_begin(AS);
 
@@ -876,7 +877,7 @@ void sg_platf_new_AS_seal()
 {
   xbt_assert(current_routing, "Cannot seal the current AS: none under construction");
   current_routing->seal();
-  current_routing = static_cast<simgrid::surf::AsImpl*>(current_routing->father());
+  current_routing = static_cast<simgrid::kernel::routing::AsImpl*>(current_routing->father());
 
   if (TRACE_is_enabled())
     sg_instr_AS_end();
@@ -885,24 +886,23 @@ void sg_platf_new_AS_seal()
 /** @brief Add a link connecting an host to the rest of its AS (which must be cluster or vivaldi) */
 void sg_platf_new_hostlink(sg_platf_host_link_cbarg_t hostlink)
 {
-  simgrid::surf::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
+  simgrid::kernel::routing::NetCard *netcard = sg_host_by_name(hostlink->id)->pimpl_netcard;
   xbt_assert(netcard, "Host '%s' not found!", hostlink->id);
-  xbt_assert(dynamic_cast<simgrid::surf::AsCluster*>(current_routing),
+  xbt_assert(dynamic_cast<simgrid::kernel::routing::AsCluster*>(current_routing),
       "Only hosts from Cluster and Vivaldi ASes can get an host_link.");
 
   s_surf_parsing_link_up_down_t link_up_down;
-  link_up_down.link_up = Link::byName(hostlink->link_up);
-  link_up_down.link_down = Link::byName(hostlink->link_down);
+  link_up_down.linkUp = Link::byName(hostlink->link_up);
+  link_up_down.linkDown = Link::byName(hostlink->link_down);
+
+  xbt_assert(link_up_down.linkUp, "Link '%s' not found!",hostlink->link_up);
+  xbt_assert(link_up_down.linkDown, "Link '%s' not found!",hostlink->link_down);
 
-  xbt_assert(link_up_down.link_up, "Link '%s' not found!",hostlink->link_up);
-  xbt_assert(link_up_down.link_down, "Link '%s' not found!",hostlink->link_down);
+  auto as_cluster = static_cast<simgrid::kernel::routing::AsCluster*>(current_routing);
 
-  // If dynar is is greater than netcard id and if the host_link is already defined
-  auto as_cluster = static_cast<simgrid::surf::AsCluster*>(current_routing);
-  if((int)xbt_dynar_length(as_cluster->privateLinks_) > netcard->id() &&
-      xbt_dynar_get_as(as_cluster->privateLinks_, netcard->id(), void*))
-  surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
+  if (as_cluster->privateLinks_.find(netcard->id()) != as_cluster->privateLinks_.end())
+    surf_parse_error("Host_link for '%s' is already defined!",hostlink->id);
 
   XBT_DEBUG("Push Host_link for host '%s' to position %d", netcard->name(), netcard->id());
-  xbt_dynar_set_as(as_cluster->privateLinks_, netcard->id(), s_surf_parsing_link_up_down_t, link_up_down);
+  as_cluster->privateLinks_.insert({netcard->id(), link_up_down});
 }