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