src/surf/sg_platf.cpp

   1 /* Copyright (c) 2006-2021. The SimGrid Team. All rights reserved.          */
   2
   3 /* This program is free software; you can redistribute it and/or modify it
   4  * under the terms of the license (GNU LGPL) which comes with this package. */
   5
   6 #include "simgrid/Exception.hpp"
   7 #include "simgrid/kernel/routing/DijkstraZone.hpp"
   8 #include "simgrid/kernel/routing/DragonflyZone.hpp"
   9 #include "simgrid/kernel/routing/EmptyZone.hpp"
  10 #include "simgrid/kernel/routing/FatTreeZone.hpp"
  11 #include "simgrid/kernel/routing/FloydZone.hpp"
  12 #include "simgrid/kernel/routing/FullZone.hpp"
  13 #include "simgrid/kernel/routing/NetPoint.hpp"
  14 #include "simgrid/kernel/routing/NetZoneImpl.hpp"
  15 #include "simgrid/kernel/routing/TorusZone.hpp"
  16 #include "simgrid/kernel/routing/VivaldiZone.hpp"
  17 #include "simgrid/kernel/routing/WifiZone.hpp"
  18 #include "simgrid/s4u/Engine.hpp"
  19 #include "src/include/simgrid/sg_config.hpp"
  20 #include "src/include/surf/surf.hpp"
  21 #include "src/kernel/EngineImpl.hpp"
  22 #include "src/kernel/resource/DiskImpl.hpp"
  23 #include "src/kernel/resource/profile/Profile.hpp"
  24 #include "src/simix/smx_private.hpp"
  25 #include "src/surf/HostImpl.hpp"
  26 #include "src/surf/xml/platf_private.hpp"
  27
  28 #include <string>
  29
  30 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
  31
  32 namespace simgrid {
  33 namespace kernel {
  34 namespace routing {
  35 xbt::signal<void(ClusterCreationArgs const&)> on_cluster_creation;
  36 } // namespace routing
  37 } // namespace kernel
  38 } // namespace simgrid
  39
  40 /** The current NetZone in the parsing */
  41 static simgrid::kernel::routing::NetZoneImpl* current_routing = nullptr;
  42 static simgrid::kernel::routing::NetZoneImpl* routing_get_current()
  43 {
  44   return current_routing;
  45 }
  46 static simgrid::s4u::Host* current_host = nullptr;
  47
  48 /** Module management function: creates all internal data structures */
  49 void sg_platf_init()
  50 {
  51   // Do nothing: just for symmetry of user code
  52 }
  53
  54 /** Module management function: frees all internal data structures */
  55 void sg_platf_exit()
  56 {
  57   simgrid::kernel::routing::on_cluster_creation.disconnect_slots();
  58   simgrid::s4u::Engine::on_platform_created.disconnect_slots();
  59
  60   surf_parse_lex_destroy();
  61 }
  62
  63 /** @brief Add a host to the current NetZone */
  64 void sg_platf_new_host_begin(const simgrid::kernel::routing::HostCreationArgs* args)
  65 {
  66   current_host = routing_get_current()
  67                      ->create_host(args->id, args->speed_per_pstate)
  68                      ->set_coordinates(args->coord)
  69                      ->set_core_count(args->core_amount)
  70                      ->set_state_profile(args->state_trace)
  71                      ->set_speed_profile(args->speed_trace);
  72 }
  73
  74 void sg_platf_new_host_set_properties(const std::unordered_map<std::string, std::string>& props)
  75 {
  76   xbt_assert(current_host, "Cannot set properties of the current host: none under construction");
  77   current_host->set_properties(props);
  78 }
  79
  80 void sg_platf_new_host_seal(int pstate)
  81 {
  82   xbt_assert(current_host, "Cannot seal the current Host: none under construction");
  83   current_host->seal();
  84
  85   /* When energy plugin is activated, changing the pstate requires to already have the HostEnergy extension whose
  86    * allocation is triggered by the on_creation signal. Then set_pstate must be called after the signal emission */
  87
  88   if (pstate != 0)
  89     current_host->set_pstate(pstate);
  90
  91   current_host = nullptr;
  92 }
  93
  94 void sg_platf_new_peer(const simgrid::kernel::routing::PeerCreationArgs* args)
  95 {
  96   auto* zone = dynamic_cast<simgrid::kernel::routing::VivaldiZone*>(current_routing);
  97   xbt_assert(zone, "<peer> tag can only be used in Vivaldi netzones.");
  98
  99   const auto* peer = zone->create_host(args->id, std::vector<double>{args->speed})
 100                          ->set_state_profile(args->state_trace)
 101                          ->set_speed_profile(args->speed_trace)
 102                          ->set_coordinates(args->coord)
 103                          ->seal();
 104
 105   zone->set_peer_link(peer->get_netpoint(), args->bw_in, args->bw_out);
 106 }
 107
 108 /** @brief Add a "router" to the network element list */
 109 simgrid::kernel::routing::NetPoint* sg_platf_new_router(const std::string& name, const std::string& coords)
 110 {
 111   auto* netpoint = current_routing->create_router(name)->set_coordinates(coords);
 112   XBT_DEBUG("Router '%s' has the id %u", netpoint->get_cname(), netpoint->id());
 113
 114   return netpoint;
 115 }
 116
 117 static void sg_platf_new_link(const simgrid::kernel::routing::LinkCreationArgs* args, const std::string& link_name)
 118 {
 119   routing_get_current()
 120       ->create_link(link_name, args->bandwidths)
 121       ->set_properties(args->properties)
 122       ->get_impl() // this call to get_impl saves some simcalls but can be removed
 123       ->set_sharing_policy(args->policy)
 124       ->set_state_profile(args->state_trace)
 125       ->set_latency_profile(args->latency_trace)
 126       ->set_bandwidth_profile(args->bandwidth_trace)
 127       ->set_latency(args->latency)
 128       ->seal();
 129 }
 130
 131 void sg_platf_new_link(const simgrid::kernel::routing::LinkCreationArgs* link)
 132 {
 133   if (link->policy == simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX) {
 134     sg_platf_new_link(link, link->id + "_UP");
 135     sg_platf_new_link(link, link->id + "_DOWN");
 136   } else {
 137     sg_platf_new_link(link, link->id);
 138   }
 139 }
 140
 141 void sg_platf_new_disk(const simgrid::kernel::routing::DiskCreationArgs* disk)
 142 {
 143   const simgrid::s4u::Disk* new_disk = routing_get_current()
 144                                            ->create_disk(disk->id, disk->read_bw, disk->write_bw)
 145                                            ->set_host(current_host)
 146                                            ->set_properties(disk->properties)
 147                                            ->seal();
 148
 149   current_host->add_disk(new_disk);
 150 }
 151
 152 /*************************************************************************************************/
 153 /** @brief Auxiliary function to create hosts */
 154 static std::pair<simgrid::kernel::routing::NetPoint*, simgrid::kernel::routing::NetPoint*>
 155 sg_platf_cluster_create_host(const simgrid::kernel::routing::ClusterCreationArgs* cluster, simgrid::s4u::NetZone* zone,
 156                              const std::vector<unsigned int>& /*coord*/, int id)
 157 {
 158   xbt_assert(static_cast<unsigned long>(id) < cluster->radicals.size(),
 159              "Zone(%s): error when creating host number %d in the zone. Insufficient number of radicals available "
 160              "(total = %zu). Check the 'radical' parameter in XML",
 161              cluster->id.c_str(), id, cluster->radicals.size());
 162
 163   std::string host_id = std::string(cluster->prefix) + std::to_string(cluster->radicals[id]) + cluster->suffix;
 164   XBT_DEBUG("Cluster: creating host=%s speed=%f", host_id.c_str(), cluster->speeds.front());
 165   const simgrid::s4u::Host* host = zone->create_host(host_id, cluster->speeds)
 166                                        ->set_core_count(cluster->core_amount)
 167                                        ->set_properties(cluster->properties)
 168                                        ->seal();
 169   return std::make_pair(host->get_netpoint(), nullptr);
 170 }
 171
 172 /** @brief Auxiliary function to create loopback links */
 173 static simgrid::s4u::Link*
 174 sg_platf_cluster_create_loopback(const simgrid::kernel::routing::ClusterCreationArgs* cluster,
 175                                  simgrid::s4u::NetZone* zone, const std::vector<unsigned int>& /*coord*/, int id)
 176 {
 177   xbt_assert(static_cast<unsigned long>(id) < cluster->radicals.size(),
 178              "Zone(%s): error when creating loopback for host number %d in the zone. Insufficient number of radicals "
 179              "available "
 180              "(total = %zu). Check the 'radical' parameter in XML",
 181              cluster->id.c_str(), id, cluster->radicals.size());
 182
 183   std::string link_id = std::string(cluster->id) + "_link_" + std::to_string(cluster->radicals[id]) + "_loopback";
 184   XBT_DEBUG("Cluster: creating loopback link=%s bw=%f", link_id.c_str(), cluster->loopback_bw);
 185
 186   simgrid::s4u::Link* loopback = zone->create_link(link_id, cluster->loopback_bw)
 187                                      ->set_sharing_policy(simgrid::s4u::Link::SharingPolicy::FATPIPE)
 188                                      ->set_latency(cluster->loopback_lat)
 189                                      ->seal();
 190   return loopback;
 191 }
 192
 193 /** @brief Auxiliary function to create limiter links */
 194 static simgrid::s4u::Link* sg_platf_cluster_create_limiter(const simgrid::kernel::routing::ClusterCreationArgs* cluster,
 195                                                            simgrid::s4u::NetZone* zone,
 196                                                            const std::vector<unsigned int>& /*coord*/, int id)
 197 {
 198   std::string link_id = std::string(cluster->id) + "_link_" + std::to_string(id) + "_limiter";
 199   XBT_DEBUG("Cluster: creating limiter link=%s bw=%f", link_id.c_str(), cluster->limiter_link);
 200
 201   simgrid::s4u::Link* limiter = zone->create_link(link_id, cluster->limiter_link)->seal();
 202   return limiter;
 203 }
 204
 205 /** @brief Create Torus, Fat-Tree and Dragonfly clusters */
 206 static void sg_platf_new_cluster_hierarchical(const simgrid::kernel::routing::ClusterCreationArgs* cluster)
 207 {
 208   using namespace std::placeholders;
 209   using simgrid::kernel::routing::DragonflyZone;
 210   using simgrid::kernel::routing::FatTreeZone;
 211   using simgrid::kernel::routing::TorusZone;
 212
 213   auto set_host = std::bind(sg_platf_cluster_create_host, cluster, _1, _2, _3);
 214   std::function<simgrid::s4u::ClusterCallbacks::ClusterLinkCb> set_loopback{};
 215   std::function<simgrid::s4u::ClusterCallbacks::ClusterLinkCb> set_limiter{};
 216
 217   if (cluster->loopback_bw > 0 || cluster->loopback_lat > 0) {
 218     set_loopback = std::bind(sg_platf_cluster_create_loopback, cluster, _1, _2, _3);
 219   }
 220
 221   if (cluster->limiter_link > 0) {
 222     set_limiter = std::bind(sg_platf_cluster_create_limiter, cluster, _1, _2, _3);
 223   }
 224
 225   simgrid::s4u::NetZone const* parent = routing_get_current() ? routing_get_current()->get_iface() : nullptr;
 226   simgrid::s4u::NetZone* zone;
 227   switch (cluster->topology) {
 228     case simgrid::kernel::routing::ClusterTopology::TORUS:
 229       zone = simgrid::s4u::create_torus_zone(
 230           cluster->id, parent, TorusZone::parse_topo_parameters(cluster->topo_parameters),
 231           {set_host, set_loopback, set_limiter}, cluster->bw, cluster->lat, cluster->sharing_policy);
 232       break;
 233     case simgrid::kernel::routing::ClusterTopology::DRAGONFLY:
 234       zone = simgrid::s4u::create_dragonfly_zone(
 235           cluster->id, parent, DragonflyZone::parse_topo_parameters(cluster->topo_parameters),
 236           {set_host, set_loopback, set_limiter}, cluster->bw, cluster->lat, cluster->sharing_policy);
 237       break;
 238     case simgrid::kernel::routing::ClusterTopology::FAT_TREE:
 239       zone = simgrid::s4u::create_fatTree_zone(
 240           cluster->id, parent, FatTreeZone::parse_topo_parameters(cluster->topo_parameters),
 241           {set_host, set_loopback, set_limiter}, cluster->bw, cluster->lat, cluster->sharing_policy);
 242       break;
 243     default:
 244       THROW_IMPOSSIBLE;
 245   }
 246   zone->seal();
 247 }
 248
 249 /*************************************************************************************************/
 250 /** @brief Create regular Cluster */
 251 static void sg_platf_new_cluster_flat(simgrid::kernel::routing::ClusterCreationArgs* cluster)
 252 {
 253   auto* zone                          = simgrid::s4u::create_star_zone(cluster->id);
 254   simgrid::s4u::NetZone const* parent = routing_get_current() ? routing_get_current()->get_iface() : nullptr;
 255   if (parent)
 256     zone->set_parent(parent);
 257
 258   /* set properties */
 259   for (auto const& elm : cluster->properties)
 260     zone->set_property(elm.first, elm.second);
 261
 262   /* Make the backbone */
 263   simgrid::s4u::Link* backbone = nullptr;
 264   if ((cluster->bb_bw > 0) || (cluster->bb_lat > 0)) {
 265     std::string bb_name = std::string(cluster->id) + "_backbone";
 266     XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/> <!--backbone -->", bb_name.c_str(), cluster->bb_bw,
 267               cluster->bb_lat);
 268
 269     backbone = zone->create_link(bb_name, std::vector<double>{cluster->bb_bw})
 270                    ->set_sharing_policy(cluster->bb_sharing_policy)
 271                    ->set_latency(cluster->bb_lat)
 272                    ->seal();
 273   }
 274
 275   for (int const& i : cluster->radicals) {
 276     std::string host_id = std::string(cluster->prefix) + std::to_string(i) + cluster->suffix;
 277
 278     XBT_DEBUG("<host\tid=\"%s\"\tspeed=\"%f\">", host_id.c_str(), cluster->speeds.front());
 279     const auto* host = zone->create_host(host_id, cluster->speeds)
 280                            ->set_core_count(cluster->core_amount)
 281                            ->set_properties(cluster->properties)
 282                            ->seal();
 283
 284     XBT_DEBUG("</host>");
 285
 286     std::string link_id = std::string(cluster->id) + "_link_" + std::to_string(i);
 287     XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id.c_str(), cluster->bw, cluster->lat);
 288
 289     // add a loopback link
 290     if (cluster->loopback_bw > 0 || cluster->loopback_lat > 0) {
 291       std::string loopback_name = link_id + "_loopback";
 292       XBT_DEBUG("<loopback\tid=\"%s\"\tbw=\"%f\"/>", loopback_name.c_str(), cluster->loopback_bw);
 293
 294       auto* loopback = zone->create_link(loopback_name, std::vector<double>{cluster->loopback_bw})
 295                            ->set_sharing_policy(simgrid::s4u::Link::SharingPolicy::FATPIPE)
 296                            ->set_latency(cluster->loopback_lat)
 297                            ->seal();
 298
 299       zone->add_route(host->get_netpoint(), host->get_netpoint(), nullptr, nullptr,
 300                       std::vector<simgrid::s4u::Link*>{loopback});
 301     }
 302
 303     // add a limiter link (shared link to account for maximal bandwidth of the node)
 304     simgrid::s4u::Link* limiter = nullptr;
 305     if (cluster->limiter_link > 0) {
 306       std::string limiter_name = std::string(link_id) + "_limiter";
 307       XBT_DEBUG("<limiter\tid=\"%s\"\tbw=\"%f\"/>", limiter_name.c_str(), cluster->limiter_link);
 308
 309       limiter = zone->create_link(limiter_name, std::vector<double>{cluster->limiter_link})->seal();
 310     }
 311
 312     // create link
 313     simgrid::s4u::Link* link_up;
 314     simgrid::s4u::Link* link_down;
 315     if (cluster->sharing_policy == simgrid::s4u::Link::SharingPolicy::SPLITDUPLEX) {
 316       link_up = zone->create_link(link_id + "_UP", std::vector<double>{cluster->bw})->set_latency(cluster->lat)->seal();
 317       link_down =
 318           zone->create_link(link_id + "_DOWN", std::vector<double>{cluster->bw})->set_latency(cluster->lat)->seal();
 319     } else {
 320       link_up   = zone->create_link(link_id, std::vector<double>{cluster->bw})->set_latency(cluster->lat)->seal();
 321       link_down = link_up;
 322     }
 323
 324     /* adding routes */
 325     std::vector<simgrid::s4u::Link*> links_up{limiter, link_up, backbone};
 326     links_up.erase(std::remove(links_up.begin(), links_up.end(), nullptr), links_up.end());
 327     std::vector<simgrid::s4u::Link*> links_down{backbone, link_down, limiter};
 328     links_down.erase(std::remove(links_down.begin(), links_down.end(), nullptr), links_down.end());
 329
 330     zone->add_route(host->get_netpoint(), nullptr, nullptr, nullptr, links_up, false);
 331     zone->add_route(nullptr, host->get_netpoint(), nullptr, nullptr, links_down, false);
 332   }
 333
 334   // Add a router.
 335   XBT_DEBUG(" ");
 336   XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id.c_str());
 337   if (cluster->router_id.empty())
 338     cluster->router_id = std::string(cluster->prefix) + cluster->id + "_router" + cluster->suffix;
 339   auto* router = zone->create_router(cluster->router_id);
 340   zone->add_route(router, nullptr, nullptr, nullptr, {});
 341
 342   zone->seal();
 343   simgrid::kernel::routing::on_cluster_creation(*cluster);
 344 }
 345
 346 void sg_platf_new_tag_cluster(simgrid::kernel::routing::ClusterCreationArgs* cluster)
 347 {
 348   switch (cluster->topology) {
 349     case simgrid::kernel::routing::ClusterTopology::TORUS:
 350     case simgrid::kernel::routing::ClusterTopology::DRAGONFLY:
 351     case simgrid::kernel::routing::ClusterTopology::FAT_TREE:
 352       sg_platf_new_cluster_hierarchical(cluster);
 353       break;
 354     default:
 355       sg_platf_new_cluster_flat(cluster);
 356       break;
 357   }
 358 }
 359 /*************************************************************************************************/
 360 /** @brief Set the links for internal node inside a Cluster(Star) */
 361 static void sg_platf_cluster_set_hostlink(simgrid::kernel::routing::StarZone* zone,
 362                                           simgrid::kernel::routing::NetPoint* netpoint, simgrid::s4u::Link* link_up,
 363                                           simgrid::s4u::Link* link_down, simgrid::kernel::resource::LinkImpl* backbone)
 364 {
 365   XBT_DEBUG("Push Host_link for host '%s' to position %u", netpoint->get_cname(), netpoint->id());
 366   if (backbone) {
 367     zone->add_route(netpoint, nullptr, nullptr, nullptr, {link_up->get_impl(), backbone}, false);
 368     zone->add_route(nullptr, netpoint, nullptr, nullptr, {backbone, link_down->get_impl()}, false);
 369   } else {
 370     zone->add_route(netpoint, nullptr, nullptr, nullptr, {link_up->get_impl()}, false);
 371     zone->add_route(nullptr, netpoint, nullptr, nullptr, {link_down->get_impl()}, false);
 372   }
 373 }
 374
 375 /** @brief Add a link connecting a host to the rest of its StarZone */
 376 static void sg_platf_new_hostlink(simgrid::kernel::routing::StarZone* zone,
 377                                   const simgrid::kernel::routing::HostLinkCreationArgs* hostlink,
 378                                   simgrid::kernel::resource::LinkImpl* backbone)
 379 {
 380   simgrid::kernel::routing::NetPoint* netpoint = simgrid::s4u::Host::by_name(hostlink->id)->get_netpoint();
 381   xbt_assert(netpoint, "Host '%s' not found!", hostlink->id.c_str());
 382
 383   simgrid::s4u::Link* linkUp   = simgrid::s4u::Link::by_name_or_null(hostlink->link_up);
 384   simgrid::s4u::Link* linkDown = simgrid::s4u::Link::by_name_or_null(hostlink->link_down);
 385
 386   xbt_assert(linkUp, "Link '%s' not found!", hostlink->link_up.c_str());
 387   xbt_assert(linkDown, "Link '%s' not found!", hostlink->link_down.c_str());
 388   sg_platf_cluster_set_hostlink(zone, netpoint, linkUp, linkDown, backbone);
 389 }
 390
 391 /** @brief Create a cabinet (set of hosts) inside a Cluster(StarZone) */
 392 static void sg_platf_new_cabinet(simgrid::kernel::routing::StarZone* zone,
 393                                  const simgrid::kernel::routing::CabinetCreationArgs* args,
 394                                  simgrid::kernel::resource::LinkImpl* backbone)
 395 {
 396   for (int const& radical : args->radicals) {
 397     std::string id   = args->prefix + std::to_string(radical) + args->suffix;
 398     auto const* host = zone->create_host(id, std::vector<double>{args->speed})->seal();
 399
 400     auto* link_up =
 401         zone->create_link("link_" + id + "_UP", std::vector<double>{args->bw})->set_latency(args->lat)->seal();
 402     auto* link_down =
 403         zone->create_link("link_" + id + "_DOWN", std::vector<double>{args->bw})->set_latency(args->lat)->seal();
 404
 405     sg_platf_cluster_set_hostlink(zone, host->get_netpoint(), link_up, link_down, backbone);
 406   }
 407 }
 408
 409 void sg_platf_zone_cluster_populate(simgrid::kernel::routing::ClusterZoneCreationArgs* cluster)
 410 {
 411   auto* zone = dynamic_cast<simgrid::kernel::routing::StarZone*>(current_routing);
 412   xbt_assert(zone, "Host_links are only valid for Cluster(Star)");
 413
 414   simgrid::kernel::resource::LinkImpl* backbone = nullptr;
 415   /* create backbone */
 416   if (cluster->backbone) {
 417     sg_platf_new_link(cluster->backbone.get());
 418     backbone = simgrid::s4u::Link::by_name(cluster->backbone->id)->get_impl();
 419   }
 420
 421   /* create host_links for hosts */
 422   for (auto const& hostlink : cluster->host_links) {
 423     sg_platf_new_hostlink(zone, &hostlink, backbone);
 424   }
 425
 426   /* create cabinets */
 427   for (auto const& cabinet : cluster->cabinets) {
 428     sg_platf_new_cabinet(zone, &cabinet, backbone);
 429   }
 430 }
 431
 432 /*************************************************************************************************/
 433 void sg_platf_new_route(simgrid::kernel::routing::RouteCreationArgs* route)
 434 {
 435   routing_get_current()->add_route(route->src, route->dst, route->gw_src, route->gw_dst, route->link_list,
 436                                    route->symmetrical);
 437 }
 438
 439 void sg_platf_new_bypassRoute(simgrid::kernel::routing::RouteCreationArgs* bypassRoute)
 440 {
 441   routing_get_current()->add_bypass_route(bypassRoute->src, bypassRoute->dst, bypassRoute->gw_src, bypassRoute->gw_dst,
 442                                           bypassRoute->link_list, bypassRoute->symmetrical);
 443 }
 444
 445 void sg_platf_new_actor(simgrid::kernel::routing::ActorCreationArgs* actor)
 446 {
 447   sg_host_t host = sg_host_by_name(actor->host);
 448   if (not host) {
 449     // The requested host does not exist. Do a nice message to the user
 450     std::string msg = std::string("Cannot create actor '") + actor->function + "': host '" + actor->host +
 451                       "' does not exist\nExisting hosts: '";
 452
 453     std::vector<simgrid::s4u::Host*> list = simgrid::s4u::Engine::get_instance()->get_all_hosts();
 454
 455     for (auto const& some_host : list) {
 456       msg += some_host->get_name();
 457       msg += "', '";
 458       if (msg.length() > 1024) {
 459         msg.pop_back(); // remove trailing quote
 460         msg += "...(list truncated)......";
 461         break;
 462       }
 463     }
 464     xbt_die("%s", msg.c_str());
 465   }
 466   const simgrid::kernel::actor::ActorCodeFactory& factory =
 467       simgrid::kernel::EngineImpl::get_instance()->get_function(actor->function);
 468   xbt_assert(factory, "Error while creating an actor from the XML file: Function '%s' not registered", actor->function);
 469
 470   double start_time = actor->start_time;
 471   double kill_time  = actor->kill_time;
 472   bool auto_restart = actor->restart_on_failure;
 473
 474   std::string actor_name                 = actor->args[0];
 475   simgrid::kernel::actor::ActorCode code = factory(std::move(actor->args));
 476
 477   auto* arg = new simgrid::kernel::actor::ProcessArg(actor_name, code, nullptr, host, kill_time, actor->properties,
 478                                                      auto_restart);
 479
 480   host->get_impl()->add_actor_at_boot(arg);
 481
 482   if (start_time > SIMIX_get_clock()) {
 483     arg = new simgrid::kernel::actor::ProcessArg(actor_name, code, nullptr, host, kill_time, actor->properties,
 484                                                  auto_restart);
 485
 486     XBT_DEBUG("Process %s@%s will be started at time %f", arg->name.c_str(), arg->host->get_cname(), start_time);
 487     simgrid::simix::Timer::set(start_time, [arg, auto_restart]() {
 488       simgrid::kernel::actor::ActorImplPtr new_actor =
 489           simgrid::kernel::actor::ActorImpl::create(arg->name.c_str(), arg->code, arg->data, arg->host, nullptr);
 490       new_actor->set_properties(arg->properties);
 491       if (arg->kill_time >= 0)
 492         new_actor->set_kill_time(arg->kill_time);
 493       if (auto_restart)
 494         new_actor->set_auto_restart(auto_restart);
 495       delete arg;
 496     });
 497   } else { // start_time <= SIMIX_get_clock()
 498     XBT_DEBUG("Starting Process %s(%s) right now", arg->name.c_str(), host->get_cname());
 499
 500     try {
 501       simgrid::kernel::actor::ActorImplPtr new_actor = nullptr;
 502       new_actor = simgrid::kernel::actor::ActorImpl::create(arg->name.c_str(), code, nullptr, host, nullptr);
 503       new_actor->set_properties(arg->properties);
 504       /* The actor creation will fail if the host is currently dead, but that's fine */
 505       if (arg->kill_time >= 0)
 506         new_actor->set_kill_time(arg->kill_time);
 507       if (auto_restart)
 508         new_actor->set_auto_restart(auto_restart);
 509     } catch (simgrid::HostFailureException const&) {
 510       XBT_WARN("Deployment includes some initially turned off Hosts ... nevermind.");
 511     }
 512   }
 513 }
 514
 515 /**
 516  * @brief Auxiliary function to build the object NetZoneImpl
 517  *
 518  * Builds the objects, setting its father properties and root netzone if needed
 519  * @param zone the parameters defining the Zone to build.
 520  * @return Pointer to recently created netzone
 521  */
 522 static simgrid::kernel::routing::NetZoneImpl*
 523 sg_platf_create_zone(const simgrid::kernel::routing::ZoneCreationArgs* zone)
 524 {
 525   /* search the routing model */
 526   simgrid::kernel::routing::NetZoneImpl* new_zone = nullptr;
 527
 528   if (strcasecmp(zone->routing.c_str(), "Cluster") == 0) {
 529     new_zone = new simgrid::kernel::routing::StarZone(zone->id);
 530   } else if (strcasecmp(zone->routing.c_str(), "Dijkstra") == 0) {
 531     new_zone = new simgrid::kernel::routing::DijkstraZone(zone->id, false);
 532   } else if (strcasecmp(zone->routing.c_str(), "DijkstraCache") == 0) {
 533     new_zone = new simgrid::kernel::routing::DijkstraZone(zone->id, true);
 534   } else if (strcasecmp(zone->routing.c_str(), "Floyd") == 0) {
 535     new_zone = new simgrid::kernel::routing::FloydZone(zone->id);
 536   } else if (strcasecmp(zone->routing.c_str(), "Full") == 0) {
 537     new_zone = new simgrid::kernel::routing::FullZone(zone->id);
 538   } else if (strcasecmp(zone->routing.c_str(), "None") == 0) {
 539     new_zone = new simgrid::kernel::routing::EmptyZone(zone->id);
 540   } else if (strcasecmp(zone->routing.c_str(), "Vivaldi") == 0) {
 541     new_zone = new simgrid::kernel::routing::VivaldiZone(zone->id);
 542   } else if (strcasecmp(zone->routing.c_str(), "Wifi") == 0) {
 543     new_zone = new simgrid::kernel::routing::WifiZone(zone->id);
 544   } else {
 545     xbt_die("Not a valid model!");
 546   }
 547   new_zone->set_parent(current_routing);
 548
 549   return new_zone;
 550 }
 551
 552 /**
 553  * @brief Add a Zone to the platform
 554  *
 555  * Add a new autonomous system to the platform. Any elements (such as host, router or sub-Zone) added after this call
 556  * and before the corresponding call to sg_platf_new_Zone_seal() will be added to this Zone.
 557  *
 558  * Once this function was called, the configuration concerning the used models cannot be changed anymore.
 559  *
 560  * @param zone the parameters defining the Zone to build.
 561  */
 562 simgrid::kernel::routing::NetZoneImpl* sg_platf_new_Zone_begin(const simgrid::kernel::routing::ZoneCreationArgs* zone)
 563 {
 564   current_routing = sg_platf_create_zone(zone);
 565
 566   return current_routing;
 567 }
 568
 569 void sg_platf_new_Zone_set_properties(const std::unordered_map<std::string, std::string>& props)
 570 {
 571   xbt_assert(current_routing, "Cannot set properties of the current Zone: none under construction");
 572
 573   current_routing->set_properties(props);
 574 }
 575
 576 /**
 577  * @brief Specify that the description of the current Zone is finished
 578  *
 579  * Once you've declared all the content of your Zone, you have to seal
 580  * it with this call. Your Zone is not usable until you call this function.
 581  */
 582 void sg_platf_new_Zone_seal()
 583 {
 584   xbt_assert(current_routing, "Cannot seal the current Zone: none under construction");
 585   current_routing->seal();
 586   current_routing = current_routing->get_parent();
 587 }
 588
 589 void sg_platf_new_trace(simgrid::kernel::routing::ProfileCreationArgs* args)
 590 {
 591   simgrid::kernel::profile::Profile* profile;
 592   if (not args->file.empty()) {
 593     profile = simgrid::kernel::profile::Profile::from_file(args->file);
 594   } else {
 595     xbt_assert(not args->pc_data.empty(), "Trace '%s' must have either a content, or point to a file on disk.",
 596                args->id.c_str());
 597     profile = simgrid::kernel::profile::Profile::from_string(args->id, args->pc_data, args->periodicity);
 598   }
 599   traces_set_list.insert({args->id, profile});
 600 }