src/surf/sg_platf.cpp

   1 /* Copyright (c) 2006-2014. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #include "xbt/misc.h"
   8 #include "xbt/log.h"
   9 #include "xbt/str.h"
  10 #include "xbt/dict.h"
  11 #include "xbt/RngStream.h"
  12 #include "simgrid/platf_interface.h"
  13 #include "surf/surf_routing.h"
  14 #include "surf/surf.h"
  15
  16 #include "src/simix/smx_private.h"
  17
  18 #include "cpu_interface.hpp"
  19 #include "host_interface.hpp"
  20
  21 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
  22 xbt_dynar_t sg_platf_link_cb_list = NULL;   // of sg_platf_link_cb_t
  23 xbt_dynar_t sg_platf_cluster_cb_list = NULL; // of sg_platf_cluster_cb_t
  24 xbt_dynar_t sg_platf_cabinet_cb_list = NULL; // of sg_platf_cluster_cb_t
  25 xbt_dynar_t sg_platf_postparse_cb_list = NULL; // of void_f_void_t
  26 xbt_dynar_t sg_platf_prop_cb_list = NULL; // of sg_platf_prop_cb_t
  27
  28 xbt_dynar_t sg_platf_ASroute_cb_list = NULL; // of sg_platf_ASroute_cb_t
  29 xbt_dynar_t sg_platf_bypassRoute_cb_list = NULL; // of sg_platf_bypassRoute_cb_t
  30 xbt_dynar_t sg_platf_bypassASroute_cb_list = NULL; // of sg_platf_bypassASroute_cb_t
  31
  32 xbt_dynar_t sg_platf_trace_cb_list = NULL;
  33 xbt_dynar_t sg_platf_trace_connect_cb_list = NULL;
  34
  35 /* ***************************************** */
  36 /* TUTORIAL: New TAG                         */
  37
  38 xbt_dynar_t sg_platf_gpu_cb_list = NULL;
  39 /* ***************************************** */
  40
  41
  42 static int surf_parse_models_setup_already_called = 0;
  43
  44 /* one RngStream for the platform, to respect some statistic rules */
  45 static RngStream sg_platf_rng_stream = NULL;
  46
  47 /** Module management function: creates all internal data structures */
  48 void sg_platf_init(void) {
  49
  50   //FIXME : Ugly, but useful...
  51   if (sg_platf_gpu_cb_list)
  52     return; //Already initialized, so do nothing...
  53
  54   sg_platf_link_cb_list = xbt_dynar_new(sizeof(sg_platf_link_cb_t), NULL);
  55   sg_platf_cluster_cb_list = xbt_dynar_new(sizeof(sg_platf_cluster_cb_t), NULL);
  56   sg_platf_cabinet_cb_list = xbt_dynar_new(sizeof(sg_platf_cabinet_cb_t), NULL);
  57   sg_platf_postparse_cb_list = xbt_dynar_new(sizeof(sg_platf_link_cb_t),NULL);
  58   sg_platf_prop_cb_list = xbt_dynar_new(sizeof(sg_platf_prop_cb_t),NULL);
  59
  60   sg_platf_ASroute_cb_list = xbt_dynar_new(sizeof(sg_platf_route_cb_t), NULL);
  61   sg_platf_bypassRoute_cb_list = xbt_dynar_new(sizeof(sg_platf_route_cb_t), NULL);
  62   sg_platf_bypassASroute_cb_list = xbt_dynar_new(sizeof(sg_platf_route_cb_t), NULL);
  63
  64   sg_platf_trace_cb_list = xbt_dynar_new(sizeof(sg_platf_trace_cb_t), NULL);
  65   sg_platf_trace_connect_cb_list = xbt_dynar_new(sizeof(sg_platf_trace_connect_cb_t), NULL);
  66
  67   /* ***************************************** */
  68   /* TUTORIAL: New TAG                         */
  69
  70   sg_platf_gpu_cb_list = xbt_dynar_new(sizeof(sg_platf_gpu_cb_t), NULL);
  71   /* ***************************************** */
  72 }
  73 /** Module management function: frees all internal data structures */
  74 void sg_platf_exit(void) {
  75   xbt_dynar_free(&sg_platf_link_cb_list);
  76   xbt_dynar_free(&sg_platf_postparse_cb_list);
  77   xbt_dynar_free(&sg_platf_cluster_cb_list);
  78   xbt_dynar_free(&sg_platf_cabinet_cb_list);
  79   xbt_dynar_free(&sg_platf_prop_cb_list);
  80
  81   xbt_dynar_free(&sg_platf_trace_cb_list);
  82   xbt_dynar_free(&sg_platf_trace_connect_cb_list);
  83
  84   xbt_dynar_free(&sg_platf_ASroute_cb_list);
  85   xbt_dynar_free(&sg_platf_bypassRoute_cb_list);
  86   xbt_dynar_free(&sg_platf_bypassASroute_cb_list);
  87
  88   /* ***************************************** */
  89   /* TUTORIAL: New TAG                         */
  90
  91   xbt_dynar_free(&sg_platf_gpu_cb_list);
  92
  93   /* ***************************************** */
  94
  95   /* make sure that we will reinit the models while loading the platf once reinited */
  96   surf_parse_models_setup_already_called = 0;
  97 }
  98
  99 void sg_platf_new_host(sg_platf_host_cbarg_t host)
 100 {
 101   xbt_assert(! sg_host_by_name(host->id),
 102                      "Refusing to create a second host named '%s'.", host->id);
 103
 104   RoutingEdge *net = NULL;
 105   As* current_routing = routing_get_current();
 106   if (current_routing)
 107     net = routing_add_host(current_routing, host);
 108
 109   Cpu *cpu = surf_cpu_model_pm->createCpu(
 110         host->id,
 111         host->power_peak,
 112         host->pstate,
 113         host->power_scale,
 114         host->power_trace,
 115         host->core_amount,
 116         host->initial_state,
 117         host->state_trace,
 118         host->properties);
 119   surf_host_model->createHost(host->id, net, cpu);
 120
 121   if (TRACE_is_enabled() && TRACE_needs_platform())
 122     sg_instr_new_host(host);
 123 }
 124
 125 /**
 126  * \brief Add a "router" to the network element list
 127  */
 128 void sg_platf_new_router(sg_platf_router_cbarg_t router)
 129 {
 130   As* current_routing = routing_get_current();
 131
 132   if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
 133     current_routing->p_hierarchy = SURF_ROUTING_BASE;
 134   xbt_assert(!xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
 135              "Reading a router, processing unit \"%s\" already exists",
 136              router->id);
 137
 138   RoutingEdge *info = new RoutingEdgeImpl(xbt_strdup(router->id),
 139                                             -1,
 140                                             SURF_NETWORK_ELEMENT_ROUTER,
 141                                             current_routing);
 142   info->setId(current_routing->parsePU(info));
 143   xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) info);
 144   XBT_DEBUG("Having set name '%s' id '%d'", router->id, info->getId());
 145   routingEdgeCreatedCallbacks(info);
 146
 147   if (router->coord && strcmp(router->coord, "")) {
 148     unsigned int cursor;
 149     char*str;
 150
 151     if (!COORD_ASR_LEVEL)
 152       xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
 153     /* Pre-parse the host coordinates */
 154     xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
 155     xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
 156     xbt_dynar_foreach(ctn_str,cursor, str) {
 157       double val = atof(str);
 158       xbt_dynar_push(ctn,&val);
 159     }
 160     xbt_dynar_shrink(ctn, 0);
 161     xbt_dynar_free(&ctn_str);
 162     xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
 163     XBT_DEBUG("Having set router coordinates for '%s'",router->id);
 164   }
 165
 166   if (TRACE_is_enabled())
 167     sg_instr_new_router(router);
 168 }
 169
 170 void sg_platf_new_link(sg_platf_link_cbarg_t link){
 171   unsigned int iterator;
 172   sg_platf_link_cb_t fun;
 173   xbt_dynar_foreach(sg_platf_link_cb_list, iterator, fun) {
 174     fun(link);
 175   }
 176 }
 177
 178 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster){
 179   unsigned int iterator;
 180   sg_platf_cluster_cb_t fun;
 181   xbt_dynar_foreach(sg_platf_cluster_cb_list, iterator, fun) {
 182     fun(cluster);
 183   }
 184 }
 185 void sg_platf_new_cabinet(sg_platf_cabinet_cbarg_t cabinet){
 186   unsigned int iterator;
 187   sg_platf_cabinet_cb_t fun;
 188   xbt_dynar_foreach(sg_platf_cabinet_cb_list, iterator, fun) {
 189     fun(cabinet);
 190   }
 191 }
 192 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
 193 {
 194   xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
 195                "Reading a storage, processing unit \"%s\" already exists", storage->id);
 196
 197   // Verification of an existing type_id
 198 #ifndef NDEBUG
 199   void* storage_type = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
 200 #endif
 201   xbt_assert(storage_type,"Reading a storage, type id \"%s\" does not exists", storage->type_id);
 202
 203   XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
 204       storage->id,
 205       storage->type_id,
 206       storage->content);
 207
 208   xbt_lib_set(storage_lib,
 209       storage->id,
 210       ROUTING_STORAGE_LEVEL,
 211       (void *) xbt_strdup(storage->type_id));
 212
 213   void* stype = xbt_lib_get_or_null(storage_type_lib,
 214                                     storage->type_id,
 215                                     ROUTING_STORAGE_TYPE_LEVEL);
 216   if(!stype) xbt_die("No storage type '%s'",storage->type_id);
 217
 218   // if storage content is not specified use the content of storage_type if exist
 219   if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
 220     storage->content = ((storage_type_t) stype)->content;
 221     storage->content_type = ((storage_type_t) stype)->content_type;
 222     XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
 223         storage->id,((storage_type_t) stype)->content_type,
 224         ((storage_type_t) stype)->type_id);
 225   }
 226
 227   XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
 228       "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
 229       "\n\t\tproperties '%p''\n",
 230       storage->id,
 231       ((storage_type_t) stype)->model,
 232       ((storage_type_t) stype)->type_id,
 233       storage->content,
 234       storage->content_type,
 235       storage->properties);
 236
 237   surf_storage_model->createStorage(storage->id,
 238                                      ((storage_type_t) stype)->type_id,
 239                                      storage->content,
 240                                      storage->content_type,
 241                                      storage->properties,
 242                                      storage->attach);
 243 }
 244 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
 245
 246   xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
 247                "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
 248
 249   storage_type_t stype = xbt_new0(s_storage_type_t, 1);
 250   stype->model = xbt_strdup(storage_type->model);
 251   stype->properties = storage_type->properties;
 252   stype->content = xbt_strdup(storage_type->content);
 253   stype->content_type = xbt_strdup(storage_type->content_type);
 254   stype->type_id = xbt_strdup(storage_type->id);
 255   stype->size = storage_type->size;
 256   stype->model_properties = storage_type->model_properties;
 257
 258   XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
 259       "content '%s', and content_type '%s'",
 260       stype->type_id,
 261       stype->model,
 262       storage_type->content,
 263       storage_type->content_type);
 264
 265   xbt_lib_set(storage_type_lib,
 266       stype->type_id,
 267       ROUTING_STORAGE_TYPE_LEVEL,
 268       (void *) stype);
 269 }
 270 void sg_platf_new_mstorage(sg_platf_mstorage_cbarg_t mstorage)
 271 {
 272   THROW_UNIMPLEMENTED;
 273 //  mount_t mnt = xbt_new0(s_mount_t, 1);
 274 //  mnt->id = xbt_strdup(mstorage->type_id);
 275 //  mnt->name = xbt_strdup(mstorage->name);
 276 //
 277 //  if(!mount_list){
 278 //    XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
 279 //    mount_list = xbt_dynar_new(sizeof(char *), NULL);
 280 //  }
 281 //  xbt_dynar_push(mount_list,(void *) mnt);
 282 //  free(mnt->id);
 283 //  free(mnt->name);
 284 //  xbt_free(mnt);
 285 //  XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
 286 }
 287
 288 static void mount_free(void *p)
 289 {
 290   mount_t mnt = (mount_t) p;
 291   xbt_free(mnt->name);
 292 }
 293
 294 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
 295   // Verification of an existing storage
 296 #ifndef NDEBUG
 297   void* storage = xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL);
 298 #endif
 299   xbt_assert(storage,"Disk id \"%s\" does not exists", mount->storageId);
 300
 301   XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
 302
 303   s_mount_t mnt;
 304   mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
 305   mnt.name = xbt_strdup(mount->name);
 306
 307   if(!mount_list){
 308     XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
 309     mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
 310   }
 311   xbt_dynar_push(mount_list, &mnt);
 312 }
 313
 314 void sg_platf_new_route(sg_platf_route_cbarg_t route)
 315 {
 316   routing_get_current()->parseRoute(route);
 317 }
 318
 319 void sg_platf_new_ASroute(sg_platf_route_cbarg_t ASroute) {
 320   unsigned int iterator;
 321   sg_platf_route_cb_t fun;
 322   xbt_dynar_foreach(sg_platf_ASroute_cb_list, iterator, fun) {
 323     fun(ASroute);
 324   }
 325 }
 326 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute) {
 327   unsigned int iterator;
 328   sg_platf_route_cb_t fun;
 329   xbt_dynar_foreach(sg_platf_bypassRoute_cb_list, iterator, fun) {
 330     fun(bypassRoute);
 331   }
 332 }
 333 void sg_platf_new_bypassASroute(sg_platf_route_cbarg_t bypassASroute) {
 334   unsigned int iterator;
 335   sg_platf_route_cb_t fun;
 336   xbt_dynar_foreach(sg_platf_bypassASroute_cb_list, iterator, fun) {
 337     fun(bypassASroute);
 338   }
 339 }
 340 void sg_platf_new_prop(sg_platf_prop_cbarg_t prop) {
 341   unsigned int iterator;
 342   sg_platf_prop_cb_t fun;
 343   xbt_dynar_foreach(sg_platf_prop_cb_list, iterator, fun) {
 344     fun(prop);
 345   }
 346 }
 347 void sg_platf_new_trace(sg_platf_trace_cbarg_t trace) {
 348   unsigned int iterator;
 349   sg_platf_trace_cb_t fun;
 350   xbt_dynar_foreach(sg_platf_trace_cb_list, iterator, fun) {
 351     fun(trace);
 352   }
 353 }
 354 void sg_platf_trace_connect(sg_platf_trace_connect_cbarg_t trace_connect) {
 355   unsigned int iterator;
 356   sg_platf_trace_connect_cb_t fun;
 357   xbt_dynar_foreach(sg_platf_trace_connect_cb_list, iterator, fun) {
 358     fun(trace_connect);
 359   }
 360 }
 361
 362 void sg_platf_new_process(sg_platf_process_cbarg_t process)
 363 {
 364   if (!simix_global)
 365     xbt_die("Cannot create process without SIMIX.");
 366
 367   sg_host_t host = sg_host_by_name(process->host);
 368   if (!host)
 369     THROWF(arg_error, 0, "Host '%s' unknown", process->host);
 370   xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
 371   xbt_assert(parse_code, "Function '%s' unknown", process->function);
 372
 373   double start_time = process->start_time;
 374   double kill_time  = process->kill_time;
 375   int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
 376
 377   smx_process_arg_t arg = NULL;
 378   smx_process_t process_created = NULL;
 379
 380   arg = xbt_new0(s_smx_process_arg_t, 1);
 381   arg->code = parse_code;
 382   arg->data = NULL;
 383   arg->hostname = sg_host_get_name(host);
 384   arg->argc = process->argc;
 385   arg->argv = xbt_new(char *,process->argc);
 386   int i;
 387   for (i=0; i<process->argc; i++)
 388     arg->argv[i] = xbt_strdup(process->argv[i]);
 389   arg->name = xbt_strdup(arg->argv[0]);
 390   arg->kill_time = kill_time;
 391   arg->properties = current_property_set;
 392   if (!sg_host_simix(host)->boot_processes) {
 393     sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
 394   }
 395   xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
 396
 397   if (start_time > SIMIX_get_clock()) {
 398     arg = xbt_new0(s_smx_process_arg_t, 1);
 399     arg->name = (char*)(process->argv)[0];
 400     arg->code = parse_code;
 401     arg->data = NULL;
 402     arg->hostname = sg_host_get_name(host);
 403     arg->argc = process->argc;
 404     arg->argv = (char**)(process->argv);
 405     arg->kill_time = kill_time;
 406     arg->properties = current_property_set;
 407
 408     XBT_DEBUG("Process %s(%s) will be started at time %f", arg->name,
 409            arg->hostname, start_time);
 410     SIMIX_timer_set(start_time, [](void* arg) {
 411       SIMIX_process_create_from_wrapper((smx_process_arg_t) arg);
 412     }, arg);
 413   } else {                      // start_time <= SIMIX_get_clock()
 414     XBT_DEBUG("Starting Process %s(%s) right now", process->argv[0], sg_host_get_name(host));
 415
 416     if (simix_global->create_process_function)
 417       process_created = simix_global->create_process_function(
 418                                             (char*)(process->argv)[0],
 419                                             parse_code,
 420                                             NULL,
 421                                             sg_host_get_name(host),
 422                                             kill_time,
 423                                             process->argc,
 424                                             (char**)(process->argv),
 425                                             current_property_set,
 426                                             auto_restart, NULL);
 427     else
 428       process_created = simcall_process_create((char*)(process->argv)[0], parse_code, NULL, sg_host_get_name(host), kill_time, process->argc,
 429           (char**)process->argv, current_property_set,auto_restart);
 430
 431     /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
 432     if (!process_created) {
 433       return;
 434     }
 435   }
 436   current_property_set = NULL;
 437 }
 438
 439 void sg_platf_route_begin (sg_platf_route_cbarg_t route){
 440   route->link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 441 }
 442 void sg_platf_ASroute_begin (sg_platf_route_cbarg_t ASroute){
 443   ASroute->link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
 444 }
 445
 446 void sg_platf_route_end (sg_platf_route_cbarg_t route){
 447   sg_platf_new_route(route);
 448 }
 449 void sg_platf_ASroute_end (sg_platf_route_cbarg_t ASroute){
 450   sg_platf_new_ASroute(ASroute);
 451 }
 452
 453 void sg_platf_route_add_link (const char* link_id, sg_platf_route_cbarg_t route){
 454   char *link_name = xbt_strdup(link_id);
 455   xbt_dynar_push(route->link_list, &link_name);
 456 }
 457 void sg_platf_ASroute_add_link (const char* link_id, sg_platf_route_cbarg_t ASroute){
 458   char *link_name = xbt_strdup(link_id);
 459   xbt_dynar_push(ASroute->link_list, &link_name);
 460 }
 461
 462 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
 463
 464 void sg_platf_end() {
 465   unsigned int iterator;
 466   void_f_void_t fun;
 467   xbt_dynar_foreach(sg_platf_postparse_cb_list, iterator, fun) {
 468     fun();
 469   }
 470 }
 471
 472 void sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
 473 {
 474   if (!surf_parse_models_setup_already_called) {
 475     /* Initialize the surf models. That must be done after we got all config, and before we need the models.
 476      * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
 477      *
 478      * I'm not sure for <trace> and <trace_connect>, there may be a bug here
 479      * (FIXME: check it out by creating a file beginning with one of these tags)
 480      * but cluster and peer create ASes internally, so putting the code in there is ok.
 481      *
 482      * TODO, There used to be a guard protecting here against
 483      * xbt_dynar_length(sg_platf_AS_begin_cb_list) because we don't want to
 484      * initialize the models if we are parsing the file to get the deployment.
 485      * That could happen if the same file would be used for platf and deploy:
 486      * it'd contain AS tags even during the deploy parsing. Removing that guard
 487      * would result of the models to get re-inited when parsing for deploy.
 488      * Currently using the same file for platform and deployment is broken
 489      * however. This guard will have to ba adapted in order to make this feature
 490      * work again.
 491      */
 492     surf_parse_models_setup_already_called = 1;
 493     surf_config_models_setup();
 494   }
 495
 496   routing_AS_begin(AS);
 497   if (TRACE_is_enabled())
 498     sg_instr_AS_begin(AS);
 499 }
 500
 501 void sg_platf_new_AS_end()
 502 {
 503   routing_AS_end();
 504   if (TRACE_is_enabled())
 505     sg_instr_AS_end();
 506 }
 507
 508 /* ***************************************** */
 509 /* TUTORIAL: New TAG                         */
 510
 511 void sg_platf_new_gpu(sg_platf_gpu_cbarg_t gpu) {
 512   unsigned int iterator;
 513   void_f_void_t fun;
 514   xbt_dynar_foreach(sg_platf_gpu_cb_list, iterator, fun) {
 515     fun();
 516   }
 517 }
 518
 519 void sg_platf_gpu_add_cb(sg_platf_gpu_cb_t fct) {
 520   xbt_dynar_push(sg_platf_gpu_cb_list, &fct);
 521 }
 522
 523 /* ***************************************** */
 524
 525 void sg_platf_link_add_cb(sg_platf_link_cb_t fct) {
 526   xbt_dynar_push(sg_platf_link_cb_list, &fct);
 527 }
 528 void sg_platf_cluster_add_cb(sg_platf_cluster_cb_t fct) {
 529   xbt_dynar_push(sg_platf_cluster_cb_list, &fct);
 530 }
 531 void sg_platf_cabinet_add_cb(sg_platf_cabinet_cb_t fct) {
 532   xbt_dynar_push(sg_platf_cabinet_cb_list, &fct);
 533 }
 534 void sg_platf_postparse_add_cb(void_f_void_t fct) {
 535   xbt_dynar_push(sg_platf_postparse_cb_list, &fct);
 536 }
 537 void sg_platf_ASroute_add_cb(sg_platf_route_cb_t fct) {
 538   xbt_dynar_push(sg_platf_ASroute_cb_list, &fct);
 539 }
 540 void sg_platf_bypassRoute_add_cb(sg_platf_route_cb_t fct) {
 541   xbt_dynar_push(sg_platf_bypassRoute_cb_list, &fct);
 542 }
 543 void sg_platf_bypassASroute_add_cb(sg_platf_route_cb_t fct) {
 544   xbt_dynar_push(sg_platf_bypassASroute_cb_list, &fct);
 545 }
 546 void sg_platf_prop_add_cb(sg_platf_prop_cb_t fct) {
 547   xbt_dynar_push(sg_platf_prop_cb_list, &fct);
 548 }
 549 void sg_platf_trace_add_cb(sg_platf_trace_cb_t fct) {
 550   xbt_dynar_push(sg_platf_trace_cb_list, &fct);
 551 }
 552 void sg_platf_trace_connect_add_cb(sg_platf_trace_connect_cb_t fct) {
 553   xbt_dynar_push(sg_platf_trace_connect_cb_list, &fct);
 554 }
 555 void sg_platf_rng_stream_init(unsigned long seed[6]) {
 556   RngStream_SetPackageSeed(seed);
 557   sg_platf_rng_stream = RngStream_CreateStream(NULL);
 558 }
 559
 560 RngStream sg_platf_rng_stream_get(const char* id) {
 561   RngStream stream = NULL;
 562   unsigned int id_hash;
 563
 564   stream = RngStream_CopyStream(sg_platf_rng_stream);
 565   id_hash = xbt_str_hash(id);
 566   RngStream_AdvanceState(stream, 0, (long)id_hash);
 567
 568   return stream;
 569 }