src/surf/surf_c_bindings.cpp

   1 #include "surf_interface.hpp"
   2 #include "workstation_interface.hpp"
   3 #include "vm_workstation_interface.hpp"
   4 #include "network_interface.hpp"
   5 #include "surf_routing_cluster.hpp"
   6 #include "instr/instr_private.h"
   7 #include "plugins/energy.hpp"
   8
   9 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_kernel);
  10
  11 /*********
  12  * TOOLS *
  13  *********/
  14
  15 static CpuPtr get_casted_cpu(surf_resource_t resource){
  16   return static_cast<CpuPtr>(surf_cpu_resource_priv(resource));
  17 }
  18
  19 static WorkstationPtr get_casted_workstation(surf_resource_t resource){
  20   return static_cast<WorkstationPtr>(surf_workstation_resource_priv(resource));
  21 }
  22
  23 static WorkstationVMPtr get_casted_vm_workstation(surf_resource_t resource){
  24   return static_cast<WorkstationVMPtr>(surf_workstation_resource_priv(resource));
  25 }
  26
  27 char *surf_routing_edge_name(sg_routing_edge_t edge){
  28   return edge->p_name;
  29 }
  30
  31 #ifdef CONTEXT_THREADS
  32 //FIXME:keeporremove static xbt_parmap_t surf_parmap = NULL; /* parallel map on models */
  33 #endif
  34
  35 extern double NOW;
  36 extern double *surf_mins; /* return value of share_resources for each model */
  37 extern int surf_min_index;       /* current index in surf_mins */
  38 extern double surf_min;               /* duration determined by surf_solve */
  39
  40 void surf_presolve(void)
  41 {
  42   double next_event_date = -1.0;
  43   tmgr_trace_event_t event = NULL;
  44   double value = -1.0;
  45   ResourcePtr resource = NULL;
  46   ModelPtr model = NULL;
  47   unsigned int iter;
  48
  49   XBT_DEBUG
  50       ("First Run! Let's \"purge\" events and put models in the right state");
  51   while ((next_event_date = tmgr_history_next_date(history)) != -1.0) {
  52     if (next_event_date > NOW)
  53       break;
  54     while ((event =
  55             tmgr_history_get_next_event_leq(history, next_event_date,
  56                                             &value,
  57                                             (void **) &resource))) {
  58       if (value >= 0){
  59         resource->updateState(event, value, NOW);
  60       }
  61     }
  62   }
  63   xbt_dynar_foreach(model_list, iter, model)
  64       model->updateActionsState(NOW, 0.0);
  65 }
  66
  67 static void surf_share_resources(surf_model_t model)
  68 {
  69   double next_action_end = -1.0;
  70   int i = __sync_fetch_and_add(&surf_min_index, 1);
  71   if (strcmp(model->getName(), "network NS3")) {
  72     XBT_DEBUG("Running for Resource [%s]", model->getName());
  73     next_action_end = model->shareResources(NOW);
  74     XBT_DEBUG("Resource [%s] : next action end = %f",
  75         model->getName(), next_action_end);
  76   }
  77   surf_mins[i] = next_action_end;
  78 }
  79
  80 static void surf_update_actions_state(surf_model_t model)
  81 {
  82   model->updateActionsState(NOW, surf_min);
  83 }
  84
  85 double surf_solve(double max_date)
  86 {
  87   surf_min = -1.0; /* duration */
  88   double next_event_date = -1.0;
  89   double model_next_action_end = -1.0;
  90   double value = -1.0;
  91   ResourcePtr resource = NULL;
  92   ModelPtr model = NULL;
  93   tmgr_trace_event_t event = NULL;
  94   unsigned int iter;
  95
  96   if(!host_that_restart)
  97     host_that_restart = xbt_dynar_new(sizeof(char*), NULL);
  98
  99   if (max_date != -1.0 && max_date != NOW) {
 100     surf_min = max_date - NOW;
 101   }
 102
 103   XBT_DEBUG("Looking for next action end for all models except NS3");
 104
 105   if (surf_mins == NULL) {
 106     surf_mins = xbt_new(double, xbt_dynar_length(model_list_invoke));
 107   }
 108   surf_min_index = 0;
 109
 110   /* sequential version */
 111   xbt_dynar_foreach(model_list_invoke, iter, model) {
 112     surf_share_resources(static_cast<ModelPtr>(model));
 113   }
 114
 115   unsigned i;
 116   for (i = 0; i < xbt_dynar_length(model_list_invoke); i++) {
 117     if ((surf_min < 0.0 || surf_mins[i] < surf_min)
 118         && surf_mins[i] >= 0.0) {
 119       surf_min = surf_mins[i];
 120     }
 121   }
 122
 123   XBT_DEBUG("Min for resources (remember that NS3 don't update that value) : %f", surf_min);
 124
 125   XBT_DEBUG("Looking for next trace event");
 126
 127   do {
 128     XBT_DEBUG("Next TRACE event : %f", next_event_date);
 129
 130     next_event_date = tmgr_history_next_date(history);
 131
 132     if(!strcmp(surf_network_model->getName(), "network NS3")){//FIXME: add surf_network_model->m_name &&
 133       if(next_event_date!=-1.0 && surf_min!=-1.0) {
 134         surf_min = MIN(next_event_date - NOW, surf_min);
 135       } else{
 136         surf_min = MAX(next_event_date - NOW, surf_min);
 137       }
 138
 139       XBT_DEBUG("Run for network at most %f", surf_min);
 140       // run until min or next flow
 141       model_next_action_end = surf_network_model->shareResources(surf_min);
 142
 143       XBT_DEBUG("Min for network : %f", model_next_action_end);
 144       if(model_next_action_end>=0.0)
 145         surf_min = model_next_action_end;
 146     }
 147
 148     if (next_event_date < 0.0) {
 149       XBT_DEBUG("no next TRACE event. Stop searching for it");
 150       break;
 151     }
 152
 153     if ((surf_min == -1.0) || (next_event_date > NOW + surf_min)) break;
 154
 155     XBT_DEBUG("Updating models (min = %g, NOW = %g, next_event_date = %g)", surf_min, NOW, next_event_date);
 156     while ((event =
 157             tmgr_history_get_next_event_leq(history, next_event_date,
 158                                             &value,
 159                                             (void **) &resource))) {
 160       if (resource->isUsed() || xbt_dict_get_or_null(watched_hosts_lib, resource->getName())) {
 161         surf_min = next_event_date - NOW;
 162         XBT_DEBUG
 163             ("This event will modify model state. Next event set to %f",
 164              surf_min);
 165       }
 166       /* update state of model_obj according to new value. Does not touch lmm.
 167          It will be modified if needed when updating actions */
 168       XBT_DEBUG("Calling update_resource_state for resource %s with min %lf",
 169              resource->getName(), surf_min);
 170       resource->updateState(event, value, next_event_date);
 171     }
 172   } while (1);
 173
 174   /* FIXME: Moved this test to here to avoid stopping simulation if there are actions running on cpus and all cpus are with availability = 0.
 175    * This may cause an infinite loop if one cpu has a trace with periodicity = 0 and the other a trace with periodicity > 0.
 176    * The options are: all traces with same periodicity(0 or >0) or we need to change the way how the events are managed */
 177   if (surf_min == -1.0) {
 178   XBT_DEBUG("No next event at all. Bail out now.");
 179     return -1.0;
 180   }
 181
 182   XBT_DEBUG("Duration set to %f", surf_min);
 183
 184   NOW = NOW + surf_min;
 185   /* FIXME: model_list or model_list_invoke? revisit here later */
 186   /* sequential version */
 187   xbt_dynar_foreach(model_list, iter, model) {
 188     surf_update_actions_state(model);
 189   }
 190
 191 #ifdef HAVE_TRACING
 192   TRACE_paje_dump_buffer (0);
 193 #endif
 194
 195   return surf_min;
 196 }
 197
 198 void routing_get_route_and_latency(sg_routing_edge_t src, sg_routing_edge_t dst,
 199                               xbt_dynar_t * route, double *latency){
 200   routing_platf->getRouteAndLatency(src, dst, route, latency);
 201 }
 202
 203 /*********
 204  * MODEL *
 205  *********/
 206
 207 surf_model_t surf_resource_model(const void *host, int level) {
 208   /* If level is SURF_WKS_LEVEL, ws is a workstation_CLM03 object. It has
 209    * surf_resource at the generic_resource field. */
 210   ResourcePtr ws = static_cast<ResourcePtr>(xbt_lib_get_level((xbt_dictelm_t) host, level));
 211   return ws->getModel();
 212 }
 213
 214 void *surf_as_cluster_get_backbone(AS_t as){
 215   return static_cast<AsClusterPtr>(as)->p_backbone;
 216 }
 217
 218 void surf_as_cluster_set_backbone(AS_t as, void* backbone){
 219   static_cast<AsClusterPtr>(as)->p_backbone = static_cast<NetworkLinkPtr>(backbone);
 220 }
 221
 222 const char *surf_model_name(surf_model_t model){
 223   return model->getName();
 224 }
 225
 226 surf_action_t surf_model_extract_done_action_set(surf_model_t model){
 227   if (model->getDoneActionSet()->empty())
 228         return NULL;
 229   surf_action_t res = &model->getDoneActionSet()->front();
 230   model->getDoneActionSet()->pop_front();
 231   return res;
 232 }
 233
 234 surf_action_t surf_model_extract_failed_action_set(surf_model_t model){
 235   if (model->getFailedActionSet()->empty())
 236         return NULL;
 237   surf_action_t res = &model->getFailedActionSet()->front();
 238   model->getFailedActionSet()->pop_front();
 239   return res;
 240 }
 241
 242 surf_action_t surf_model_extract_ready_action_set(surf_model_t model){
 243   if (model->getReadyActionSet()->empty())
 244         return NULL;
 245   surf_action_t res = &model->getReadyActionSet()->front();
 246   model->getReadyActionSet()->pop_front();
 247   return res;
 248 }
 249
 250 surf_action_t surf_model_extract_running_action_set(surf_model_t model){
 251   if (model->getRunningActionSet()->empty())
 252         return NULL;
 253   surf_action_t res = &model->getRunningActionSet()->front();
 254   model->getRunningActionSet()->pop_front();
 255   return res;
 256 }
 257
 258 int surf_model_running_action_set_size(surf_model_t model){
 259   return model->getRunningActionSet()->size();
 260 }
 261
 262 surf_action_t surf_workstation_model_execute_parallel_task(surf_workstation_model_t model,
 263                                                     int workstation_nb,
 264                                             void **workstation_list,
 265                                             double *computation_amount,
 266                                             double *communication_amount,
 267                                             double rate){
 268   return static_cast<ActionPtr>(model->executeParallelTask(workstation_nb, workstation_list, computation_amount, communication_amount, rate));
 269 }
 270
 271 surf_action_t surf_workstation_model_communicate(surf_workstation_model_t model, surf_resource_t src, surf_resource_t dst, double size, double rate){
 272   return model->communicate(get_casted_workstation(src), get_casted_workstation(dst), size, rate);
 273 }
 274
 275 xbt_dynar_t surf_workstation_model_get_route(surf_workstation_model_t model,
 276                                                      surf_resource_t src, surf_resource_t dst){
 277   return model->getRoute(get_casted_workstation(src), get_casted_workstation(dst));
 278 }
 279
 280 void surf_vm_workstation_model_create(const char *name, surf_resource_t ind_phys_host){
 281   surf_vm_workstation_model->createResource(name, ind_phys_host);
 282 }
 283
 284 surf_action_t surf_network_model_communicate(surf_network_model_t model, sg_routing_edge_t src, sg_routing_edge_t dst, double size, double rate){
 285   return model->communicate(src, dst, size, rate);
 286 }
 287
 288 const char *surf_resource_name(surf_cpp_resource_t resource){
 289   return resource->getName();
 290 }
 291
 292 xbt_dict_t surf_resource_get_properties(surf_cpp_resource_t resource){
 293   return resource->getProperties();
 294 }
 295
 296 e_surf_resource_state_t surf_resource_get_state(surf_cpp_resource_t resource){
 297   return resource->getState();
 298 }
 299
 300 void surf_resource_set_state(surf_cpp_resource_t resource, e_surf_resource_state_t state){
 301   resource->setState(state);
 302 }
 303
 304 surf_action_t surf_workstation_sleep(surf_resource_t resource, double duration){
 305   return get_casted_workstation(resource)->sleep(duration);
 306 }
 307
 308 double surf_workstation_get_speed(surf_resource_t resource, double load){
 309   return get_casted_workstation(resource)->getSpeed(load);
 310 }
 311
 312 double surf_workstation_get_available_speed(surf_resource_t resource){
 313   return get_casted_workstation(resource)->getAvailableSpeed();
 314 }
 315
 316 int surf_workstation_get_core(surf_resource_t resource){
 317   return get_casted_workstation(resource)->getCore();
 318 }
 319
 320 surf_action_t surf_workstation_execute(surf_resource_t resource, double size){
 321   return get_casted_workstation(resource)->execute(size);
 322 }
 323
 324 double surf_workstation_get_current_power_peak(surf_resource_t resource){
 325   return get_casted_workstation(resource)->getCurrentPowerPeak();
 326 }
 327
 328 double surf_workstation_get_power_peak_at(surf_resource_t resource, int pstate_index){
 329   return get_casted_workstation(resource)->getPowerPeakAt(pstate_index);
 330 }
 331
 332 int surf_workstation_get_nb_pstates(surf_resource_t resource){
 333   return get_casted_workstation(resource)->getNbPstates();
 334 }
 335
 336 void surf_workstation_set_power_peak_at(surf_resource_t resource, int pstate_index){
 337   return get_casted_workstation(resource)->setPowerPeakAt(pstate_index);
 338 }
 339
 340 double surf_workstation_get_consumed_energy(surf_resource_t resource){
 341   xbt_assert(surf_energy!=NULL, "The Energy plugin is not active.");
 342   std::map<CpuPtr, CpuEnergyPtr>::iterator cpuIt = surf_energy->find(get_casted_workstation(resource)->p_cpu);
 343   return cpuIt->second->getConsumedEnergy();
 344 }
 345
 346 xbt_dict_t surf_workstation_get_storage_list(surf_resource_t workstation){
 347   return get_casted_workstation(workstation)->getStorageList();
 348 }
 349
 350 surf_action_t surf_workstation_open(surf_resource_t workstation, const char* mount, const char* path){
 351   return get_casted_workstation(workstation)->open(mount, path);
 352 }
 353
 354 surf_action_t surf_workstation_close(surf_resource_t workstation, surf_file_t fd){
 355   return get_casted_workstation(workstation)->close(fd);
 356 }
 357
 358 int surf_workstation_unlink(surf_resource_t workstation, surf_file_t fd){
 359   return get_casted_workstation(workstation)->unlink(fd);
 360 }
 361
 362 surf_action_t surf_workstation_ls(surf_resource_t workstation, const char* mount, const char *path){
 363   return get_casted_workstation(workstation)->ls(mount, path);
 364 }
 365
 366 size_t surf_workstation_get_size(surf_resource_t workstation, surf_file_t fd){
 367   return get_casted_workstation(workstation)->getSize(fd);
 368 }
 369
 370 surf_action_t surf_workstation_read(surf_resource_t resource, surf_file_t fd, sg_size_t size){
 371   return get_casted_workstation(resource)->read(fd, size);
 372 }
 373
 374 surf_action_t surf_workstation_write(surf_resource_t resource, surf_file_t fd, sg_size_t size){
 375   return get_casted_workstation(resource)->write(fd, size);
 376 }
 377
 378 xbt_dynar_t surf_workstation_get_info(surf_resource_t resource, surf_file_t fd){
 379   return get_casted_workstation(resource)->getInfo(fd);
 380 }
 381
 382 sg_size_t surf_workstation_get_free_size(surf_resource_t resource, const char* name){
 383   return get_casted_workstation(resource)->getFreeSize(name);
 384 }
 385
 386 sg_size_t surf_workstation_get_used_size(surf_resource_t resource, const char* name){
 387   return get_casted_workstation(resource)->getUsedSize(name);
 388 }
 389
 390 size_t surf_workstation_file_tell(surf_resource_t workstation, surf_file_t fd){
 391   return get_casted_workstation(workstation)->fileTell(fd);
 392 }
 393
 394 int surf_workstation_file_seek(surf_resource_t workstation, surf_file_t fd, sg_size_t offset, int origin){
 395   return get_casted_workstation(workstation)->fileSeek(fd, offset, origin);
 396 }
 397
 398 xbt_dynar_t surf_workstation_get_vms(surf_resource_t resource){
 399   return get_casted_workstation(resource)->getVms();
 400 }
 401
 402 void surf_workstation_get_params(surf_resource_t resource, ws_params_t params){
 403   get_casted_workstation(resource)->getParams(params);
 404 }
 405
 406 void surf_workstation_set_params(surf_resource_t resource, ws_params_t params){
 407   get_casted_workstation(resource)->setParams(params);
 408 }
 409
 410 void surf_vm_workstation_destroy(surf_resource_t resource){
 411   delete get_casted_vm_workstation(resource);
 412 }
 413
 414 void surf_vm_workstation_suspend(surf_resource_t resource){
 415   get_casted_vm_workstation(resource)->suspend();
 416 }
 417
 418 void surf_vm_workstation_resume(surf_resource_t resource){
 419   get_casted_vm_workstation(resource)->resume();
 420 }
 421
 422 void surf_vm_workstation_save(surf_resource_t resource){
 423   get_casted_vm_workstation(resource)->save();
 424 }
 425
 426 void surf_vm_workstation_restore(surf_resource_t resource){
 427   get_casted_vm_workstation(resource)->restore();
 428 }
 429
 430 void surf_vm_workstation_migrate(surf_resource_t resource, surf_resource_t ind_vm_ws_dest){
 431   get_casted_vm_workstation(resource)->migrate(ind_vm_ws_dest);
 432 }
 433
 434 surf_resource_t surf_vm_workstation_get_pm(surf_resource_t resource){
 435   return get_casted_vm_workstation(resource)->getPm();
 436 }
 437
 438 void surf_vm_workstation_set_bound(surf_resource_t resource, double bound){
 439   return get_casted_vm_workstation(resource)->setBound(bound);
 440 }
 441
 442 void surf_vm_workstation_set_affinity(surf_resource_t resource, surf_resource_t cpu, unsigned long mask){
 443   return get_casted_vm_workstation(resource)->setAffinity(get_casted_cpu(cpu), mask);
 444 }
 445
 446 int surf_network_link_is_shared(surf_cpp_resource_t link){
 447   return static_cast<NetworkLinkPtr>(link)->isShared();
 448 }
 449
 450 double surf_network_link_get_bandwidth(surf_cpp_resource_t link){
 451   return static_cast<NetworkLinkPtr>(link)->getBandwidth();
 452 }
 453
 454 double surf_network_link_get_latency(surf_cpp_resource_t link){
 455   return static_cast<NetworkLinkPtr>(link)->getLatency();
 456 }
 457
 458 xbt_dict_t surf_storage_get_content(surf_resource_t resource){
 459   return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getContent();
 460 }
 461
 462 sg_size_t surf_storage_get_size(surf_resource_t resource){
 463   return static_cast<StoragePtr>(surf_storage_resource_priv(resource))->getSize();
 464 }
 465
 466 void surf_storage_rename(surf_resource_t resource, const char* src, const char* dest){
 467   static_cast<StoragePtr>(surf_storage_resource_priv(resource))->rename(src, dest);
 468 }
 469
 470 surf_action_t surf_cpu_execute(surf_resource_t cpu, double size){
 471   return get_casted_cpu(cpu)->execute(size);
 472 }
 473
 474 surf_action_t surf_cpu_sleep(surf_resource_t cpu, double duration){
 475   return get_casted_cpu(cpu)->sleep(duration);
 476 }
 477
 478 double surf_action_get_start_time(surf_action_t action){
 479   return action->getStartTime();
 480 }
 481
 482 double surf_action_get_finish_time(surf_action_t action){
 483   return action->getFinishTime();
 484 }
 485
 486 double surf_action_get_remains(surf_action_t action){
 487   return action->getRemains();
 488 }
 489
 490 void surf_action_unref(surf_action_t action){
 491   action->unref();
 492 }
 493
 494 void surf_action_suspend(surf_action_t action){
 495   action->suspend();
 496 }
 497
 498 void surf_action_resume(surf_action_t action){
 499   action->resume();
 500 }
 501
 502 void surf_action_cancel(surf_action_t action){
 503   action->cancel();
 504 }
 505
 506 void surf_action_set_priority(surf_action_t action, double priority){
 507   action->setPriority(priority);
 508 }
 509
 510 void surf_action_set_category(surf_action_t action, const char *category){
 511   action->setCategory(category);
 512 }
 513
 514 void *surf_action_get_data(surf_action_t action){
 515   return action->getData();
 516 }
 517
 518 void surf_action_set_data(surf_action_t action, void *data){
 519   action->setData(data);
 520 }
 521
 522 e_surf_action_state_t surf_action_get_state(surf_action_t action){
 523   return action->getState();
 524 }
 525
 526 int surf_action_get_cost(surf_action_t action){
 527   return action->getCost();
 528 }
 529
 530 void surf_cpu_action_set_affinity(surf_action_t action, surf_resource_t cpu, unsigned long mask) {
 531   static_cast<CpuActionPtr>(action)->setAffinity(get_casted_cpu(cpu), mask);
 532 }
 533
 534 void surf_cpu_action_set_bound(surf_action_t action, double bound) {
 535   static_cast<CpuActionPtr>(action)->setBound(bound);
 536 }
 537
 538 surf_file_t surf_storage_action_get_file(surf_action_t action){
 539   return static_cast<StorageActionPtr>(action)->p_file;
 540 }
 541
 542 xbt_dict_t surf_storage_action_get_ls_dict(surf_action_t action){
 543   return static_cast<StorageActionPtr>(action)->p_lsDict;
 544 }