src/surf/workstation.c

   1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. 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/ex.h"
   8 #include "xbt/dict.h"
   9 #include "portable.h"
  10 #include "surf_private.h"
  11 #include "storage_private.h"
  12 #include "surf/surf_resource.h"
  13 #include "simgrid/sg_config.h"
  14 #include "workstation_private.h"
  15 #include "vm_workstation_private.h"
  16 #include "cpu_cas01_private.h"
  17 #include "maxmin_private.h"
  18
  19 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_workstation, surf,
  20                                 "Logging specific to the SURF workstation module");
  21
  22 surf_model_t surf_workstation_model = NULL;
  23
  24
  25 static void workstation_new(sg_platf_host_cbarg_t host)
  26 {
  27   const char *name = host->id;
  28
  29   /* NOTE: The properties object is NULL, because the current code uses that of
  30    * that of a cpu resource. */
  31   workstation_CLM03_t ws = (workstation_CLM03_t) surf_resource_new(sizeof(s_workstation_CLM03_t), surf_workstation_model, name, NULL);
  32
  33   ws->storage = xbt_lib_get_or_null(storage_lib, name, ROUTING_STORAGE_HOST_LEVEL);
  34   ws->net_elm = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
  35
  36   XBT_DEBUG("Create ws %s with %ld mounted disks", name, xbt_dynar_length(ws->storage));
  37   xbt_lib_set(host_lib, name, SURF_WKS_LEVEL, ws);
  38 }
  39
  40 static void ws_parallel_action_cancel(surf_action_t action)
  41 {
  42   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
  43 }
  44
  45 static int ws_parallel_action_free(surf_action_t action)
  46 {
  47   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
  48   return -1;
  49 }
  50
  51 int ws_action_unref(surf_action_t action)
  52 {
  53   if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
  54     return surf_network_model->action_unref(action);
  55   else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
  56     return action->model_obj->action_unref(action);
  57       // previously was: Adrien/Arnaud 6 feb
  58           // surf_cpu_model->action_unref(action);
  59   else if (action->model_obj->type == SURF_MODEL_TYPE_WORKSTATION)
  60     return ws_parallel_action_free(action);
  61   else
  62     DIE_IMPOSSIBLE;
  63   return 0;
  64 }
  65
  66 void ws_action_cancel(surf_action_t action)
  67 {
  68   if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
  69     surf_network_model->action_cancel(action);
  70   else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
  71     action->model_obj->action_cancel(action);
  72   else if (action->model_obj->type == SURF_MODEL_TYPE_WORKSTATION)
  73     ws_parallel_action_cancel(action);
  74   else
  75     DIE_IMPOSSIBLE;
  76   return;
  77 }
  78
  79 static void ws_action_state_set(surf_action_t action,
  80                                 e_surf_action_state_t state)
  81 {
  82   if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
  83     surf_network_model->action_state_set(action, state);
  84   else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
  85     action->model_obj->action_state_set(action, state);
  86   else if (action->model_obj->type == SURF_MODEL_TYPE_WORKSTATION)
  87     surf_action_state_set(action, state);
  88   else
  89     DIE_IMPOSSIBLE;
  90   return;
  91 }
  92
  93
  94 /* -- The callback functions at model_private -- */
  95 /* These callbacks are also used for the vm workstation model. */
  96 int ws_resource_used(void *resource_id)
  97 {
  98   /* This model does not implement parallel tasks */
  99   THROW_IMPOSSIBLE;
 100   return -1;
 101 }
 102
 103
 104 /* TODO: iterating active constraint_set may be faster? */
 105 #if 0
 106 static void deactivate_dummy_cpu_action(void)
 107 {
 108   lmm_system_t sys = surf_cpu_model_vm->model_private->maxmin_system;
 109
 110   lmm_constraint_t cnst;
 111   xbt_swag_foreach(cnst, &sys->active_constraint_set) {
 112     /* get vcpu resource */
 113     surf_resource_t cpu = lmm_constraint_id(cnst);
 114     xbt_assert(cpu->model == surf_cpu_model_vm);
 115
 116     /* get vm_ws resource */
 117     workstation_CLM03_t ws = xbt_lib_get_or_null(host_lib, cpu->name, SURF_WKS_LEVEL);
 118
 119     /* make sure we can cast */
 120     xbt_assert(ws->generic_resouce.model == surf_vm_workstation_model);
 121     workstation_VM2013_t vm_ws = (workstation_VM2013_t) ws;
 122
 123     /* make it active in the PM layer */
 124     surf_action_set_priority(vm_ws->cpu_action, 1);
 125   }
 126 }
 127 #endif
 128
 129
 130 /* TODO: Delete this unused code if everything looks good. */
 131 #if 0
 132 static int constraint_is_active(cpu_Cas01_t cpu_cas01)
 133 {
 134   surf_model_t cpu_model = cpu_cas01->generic_resource.model;
 135   lmm_system_t sys = cpu_model->model_private->maxmin_system;
 136   int found = 0;
 137   lmm_constraint_t cnst_tmp;
 138
 139   xbt_swag_foreach(cnst_tmp, &sys->active_constraint_set) {
 140     if (cnst_tmp == cpu_cas01->constraint) {
 141       found = 1;
 142       break;
 143     }
 144   }
 145
 146   return found;
 147 }
 148 #endif
 149
 150
 151 /* Each VM has a dummy CPU action on the PM layer. This CPU action works as the
 152  * constraint (capacity) of the VM in the PM layer. If the VM does not have any
 153  * active task, the dummy CPU action must be deactivated, so that the VM does
 154  * not get any CPU share in the PM layer. */
 155 static void adjust_weight_of_dummy_cpu_actions(void)
 156 {
 157   /* iterate for all hosts including virtual machines */
 158   xbt_lib_cursor_t cursor;
 159   char *key;
 160   void **ind_host;
 161
 162   xbt_lib_foreach(host_lib, cursor, key, ind_host) {
 163     workstation_CLM03_t ws_clm03 = ind_host[SURF_WKS_LEVEL];
 164     cpu_Cas01_t cpu_cas01 = ind_host[SURF_CPU_LEVEL];
 165
 166     if (!ws_clm03)
 167       continue;
 168     /* skip if it is not a virtual machine */
 169     if (ws_clm03->generic_resource.model != surf_vm_workstation_model)
 170       continue;
 171     xbt_assert(cpu_cas01, "cpu-less workstation");
 172
 173     /* It is a virtual machine, so we can cast it to workstation_VM2013_t */
 174     workstation_VM2013_t ws_vm2013 = (workstation_VM2013_t) ws_clm03;
 175
 176     lmm_system_t sys = surf_cpu_model_vm->model_private->maxmin_system;
 177     int is_active = lmm_constraint_used(sys, cpu_cas01->constraint);
 178     // int is_active_old = constraint_is_active(cpu_cas01);
 179
 180     // {
 181     //   xbt_assert(is_active == is_active_old, "%d %d", is_active, is_active_old);
 182     // }
 183
 184     if (is_active) {
 185       /* some tasks exist on this VM */
 186       XBT_DEBUG("set the weight of the dummy CPU action on PM to 1");
 187
 188       /* FIXME: we shoud use lmm_update_variable_weight() ? */
 189       /* FIXME: If we assgign 1.05 and 0.05, the system makes apparently wrong values. */
 190       surf_action_set_priority(ws_vm2013->cpu_action, 1);
 191
 192     } else {
 193       /* no task exits on this VM */
 194       XBT_DEBUG("set the weight of the dummy CPU action on PM to 0");
 195
 196       surf_action_set_priority(ws_vm2013->cpu_action, 0);
 197     }
 198   }
 199 }
 200
 201
 202 double ws_share_resources(surf_model_t workstation_model, double now)
 203 {
 204   if (workstation_model->type == SURF_MODEL_TYPE_WORKSTATION)
 205     adjust_weight_of_dummy_cpu_actions();
 206
 207   /* Invoke the share_resources() callback of the physical cpu model object and
 208    * the network model objects. */
 209   surf_model_t cpu_model = workstation_model->extension.workstation.cpu_model;
 210   surf_model_t net_model = surf_network_model;
 211
 212   double min_by_cpu = cpu_model->model_private->share_resources(cpu_model, now);
 213   double min_by_net = net_model->model_private->share_resources(net_model, now);
 214
 215   XBT_DEBUG("model %p, %s min_by_cpu %f, %s min_by_net %f",
 216       workstation_model, cpu_model->name, min_by_cpu, net_model->name, min_by_net);
 217
 218   if (min_by_cpu >= 0.0 && min_by_net >= 0.0)
 219     return min(min_by_cpu, min_by_net);
 220   else if (min_by_cpu >= 0.0)
 221     return min_by_cpu;
 222   else if (min_by_net >= 0.0)
 223     return min_by_net;
 224   else
 225     return min_by_cpu;  /* probably min_by_cpu == min_by_net == -1 */
 226 }
 227
 228 void ws_update_actions_state(surf_model_t workstation_model, double now, double delta)
 229 {
 230   return;
 231 }
 232
 233 void ws_update_resource_state(void *id, tmgr_trace_event_t event_type, double value, double date)
 234 {
 235   /* This model does not implement parallel tasks */
 236   THROW_IMPOSSIBLE;
 237 }
 238
 239 void ws_finalize(surf_model_t workstation_model)
 240 {
 241   surf_model_exit(workstation_model);
 242   workstation_model = NULL;
 243 }
 244
 245
 246
 247 surf_action_t ws_execute(void *workstation, double size)
 248 {
 249   surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
 250   return cpu->model->extension.cpu.execute(workstation, size);
 251 }
 252
 253 surf_action_t ws_action_sleep(void *workstation, double duration)
 254 {
 255   surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
 256   return cpu->model->extension.cpu.sleep(workstation, duration);
 257 }
 258
 259 void ws_action_suspend(surf_action_t action)
 260 {
 261   if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
 262     surf_network_model->suspend(action);
 263   else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
 264     action->model_obj->suspend(action);
 265   else
 266     DIE_IMPOSSIBLE;
 267 }
 268
 269 void ws_action_resume(surf_action_t action)
 270 {
 271   if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
 272     surf_network_model->resume(action);
 273   else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
 274     action->model_obj->resume(action);
 275   else
 276     DIE_IMPOSSIBLE;
 277 }
 278
 279 static int ws_action_is_suspended(surf_action_t action)
 280 {
 281   if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
 282     return surf_network_model->is_suspended(action);
 283   if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
 284     return action->model_obj->is_suspended(action);
 285   DIE_IMPOSSIBLE;
 286   return -1;
 287 }
 288
 289 static void ws_action_set_max_duration(surf_action_t action,
 290                                        double duration)
 291 {
 292   if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
 293     surf_network_model->set_max_duration(action, duration);
 294   else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
 295     action->model_obj->set_max_duration(action, duration);
 296   else
 297     DIE_IMPOSSIBLE;
 298 }
 299
 300 void ws_action_set_priority(surf_action_t action, double priority)
 301 {
 302   if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
 303     surf_network_model->set_priority(action, priority);
 304   else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
 305     action->model_obj->set_priority(action, priority);
 306   else
 307     DIE_IMPOSSIBLE;
 308 }
 309
 310 void ws_action_set_bound(surf_action_t action, double bound)
 311 {
 312   /* FIXME: only for CPU model object? */
 313   if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
 314     surf_network_model->set_bound(action, bound);
 315   else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
 316     action->model_obj->set_bound(action, bound);
 317   else
 318     DIE_IMPOSSIBLE;
 319 }
 320
 321 void ws_action_set_affinity(surf_action_t action, void *workstation, unsigned long mask)
 322 {
 323   if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
 324     DIE_IMPOSSIBLE;
 325   else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
 326     action->model_obj->set_affinity(action, workstation, mask);
 327   else
 328     DIE_IMPOSSIBLE;
 329 }
 330
 331 #ifdef HAVE_TRACING
 332 static void ws_action_set_category(surf_action_t action, const char *category)
 333 {
 334   if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
 335     surf_network_model->set_category(action, category);
 336   else if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
 337     action->model_obj->set_category(action, category);
 338   else
 339     DIE_IMPOSSIBLE;
 340 }
 341 #endif
 342
 343 #ifdef HAVE_LATENCY_BOUND_TRACKING
 344 static int ws_get_latency_limited(surf_action_t action)
 345 {
 346   if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
 347     return surf_network_model->get_latency_limited(action);
 348   else
 349     return 0;
 350 }
 351 #endif
 352
 353 double ws_action_get_remains(surf_action_t action)
 354 {
 355   if (action->model_obj->type == SURF_MODEL_TYPE_NETWORK)
 356     return surf_network_model->get_remains(action);
 357   if (action->model_obj->type == SURF_MODEL_TYPE_CPU)
 358     return action->model_obj->get_remains(action);
 359   DIE_IMPOSSIBLE;
 360   return -1.0;
 361 }
 362
 363 static surf_action_t ws_communicate(void *workstation_src,
 364                                     void *workstation_dst, double size,
 365                                     double rate)
 366 {
 367   workstation_CLM03_t src = surf_workstation_resource_priv(workstation_src);
 368   workstation_CLM03_t dst = surf_workstation_resource_priv(workstation_dst);
 369   return surf_network_model->extension.network.
 370       communicate(src->net_elm,
 371                   dst->net_elm, size, rate);
 372 }
 373
 374 e_surf_resource_state_t ws_get_state(void *workstation)
 375 {
 376   surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
 377   return cpu->model->extension.cpu.get_state(workstation);
 378 }
 379
 380 static void ws_set_state(void *workstation, e_surf_resource_state_t state)
 381 {
 382   surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
 383   cpu->model->extension.cpu.set_state(workstation, state);
 384 }
 385
 386 double ws_get_speed(void *workstation, double load)
 387 {
 388   surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
 389   return cpu->model->extension.cpu.get_speed(workstation, load);
 390 }
 391
 392 static int ws_get_core(void *workstation)
 393 {
 394   surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
 395   return cpu->model->extension.cpu.get_core(workstation);
 396 }
 397 static double ws_get_available_speed(void *workstation)
 398 {
 399   surf_resource_t cpu = ((surf_resource_t) surf_cpu_resource_priv(workstation));
 400   return cpu->model->extension.cpu.get_available_speed(workstation);
 401 }
 402
 403 static surf_action_t ws_execute_parallel_task(int workstation_nb,
 404                                               void **workstation_list,
 405                                               double *computation_amount,
 406                                               double *communication_amount,
 407                                               double rate)
 408 {
 409 #define cost_or_zero(array,pos) ((array)?(array)[pos]:0.0)
 410   if ((workstation_nb == 1)
 411       && (cost_or_zero(communication_amount, 0) == 0.0))
 412     return ws_execute(workstation_list[0], computation_amount[0]);
 413   else if ((workstation_nb == 1)
 414            && (cost_or_zero(computation_amount, 0) == 0.0))
 415     return ws_communicate(workstation_list[0], workstation_list[0],communication_amount[0], rate);
 416   else if ((workstation_nb == 2)
 417              && (cost_or_zero(computation_amount, 0) == 0.0)
 418              && (cost_or_zero(computation_amount, 1) == 0.0)) {
 419     int i,nb = 0;
 420     double value = 0.0;
 421
 422     for (i = 0; i < workstation_nb * workstation_nb; i++) {
 423       if (cost_or_zero(communication_amount, i) > 0.0) {
 424         nb++;
 425         value = cost_or_zero(communication_amount, i);
 426       }
 427     }
 428     if (nb == 1)
 429       return ws_communicate(workstation_list[0], workstation_list[1],value, rate);
 430   }
 431 #undef cost_or_zero
 432
 433   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
 434   return NULL;
 435 }
 436
 437
 438 /* returns an array of network_link_CM02_t */
 439 static xbt_dynar_t ws_get_route(void *workstation_src, void *workstation_dst)
 440 {
 441   XBT_DEBUG("ws_get_route");
 442   workstation_CLM03_t src = surf_workstation_resource_priv(workstation_src);
 443   workstation_CLM03_t dst = surf_workstation_resource_priv(workstation_dst);
 444   return surf_network_model->extension.
 445       network.get_route(src->net_elm,
 446                   dst->net_elm);
 447 }
 448
 449 static double ws_get_link_bandwidth(const void *link)
 450 {
 451   return surf_network_model->extension.network.get_link_bandwidth(link);
 452 }
 453
 454 static double ws_get_link_latency(const void *link)
 455 {
 456   return surf_network_model->extension.network.get_link_latency(link);
 457 }
 458
 459 static int ws_link_shared(const void *link)
 460 {
 461   return surf_network_model->extension.network.link_shared(link);
 462 }
 463
 464 static xbt_dict_t ws_get_properties(const void *ws)
 465 {
 466   return surf_resource_properties(surf_cpu_resource_priv(ws));
 467 }
 468
 469 static storage_t find_storage_on_mount_list(void *workstation,const char* storage)
 470 {
 471   storage_t st = NULL;
 472   s_mount_t mnt;
 473   unsigned int cursor;
 474   workstation_CLM03_t ws = (workstation_CLM03_t) surf_workstation_resource_priv(workstation);
 475   xbt_dynar_t storage_list = ws->storage;
 476
 477   XBT_DEBUG("Search for storage name '%s' on '%s'",storage,ws->generic_resource.name);
 478   xbt_dynar_foreach(storage_list,cursor,mnt)
 479   {
 480     XBT_DEBUG("See '%s'",mnt.name);
 481     if(!strcmp(storage,mnt.name)){
 482       st = mnt.id;
 483       break;
 484     }
 485   }
 486   if(!st) xbt_die("Can't find mount '%s' for '%s'",storage,ws->generic_resource.name);
 487   return st;
 488 }
 489
 490 static surf_action_t ws_action_open(void *workstation, const char* mount,
 491                                     const char* path)
 492 {
 493   storage_t st = find_storage_on_mount_list(workstation, mount);
 494   XBT_DEBUG("OPEN on disk '%s'",st->generic_resource.name);
 495   surf_model_t model = st->generic_resource.model;
 496   return model->extension.storage.open(st, mount, path);
 497 }
 498
 499 static surf_action_t ws_action_close(void *workstation, surf_file_t fd)
 500 {
 501   storage_t st = find_storage_on_mount_list(workstation, fd->storage);
 502   XBT_DEBUG("CLOSE on disk '%s'",st->generic_resource.name);
 503   surf_model_t model = st->generic_resource.model;
 504   return model->extension.storage.close(st, fd);
 505 }
 506
 507 static surf_action_t ws_action_read(void *workstation, void* ptr, size_t size,
 508                                     surf_file_t fd)
 509 {
 510   storage_t st = find_storage_on_mount_list(workstation, fd->storage);
 511   XBT_DEBUG("READ on disk '%s'",st->generic_resource.name);
 512   surf_model_t model = st->generic_resource.model;
 513   return model->extension.storage.read(st, ptr, size, fd);
 514 }
 515
 516 static surf_action_t ws_action_write(void *workstation, const void* ptr,
 517                                      size_t size, surf_file_t fd)
 518 {
 519   storage_t st = find_storage_on_mount_list(workstation, fd->storage);
 520   XBT_DEBUG("WRITE on disk '%s'",st->generic_resource.name);
 521   surf_model_t model = st->generic_resource.model;
 522   return model->extension.storage.write(st,  ptr, size, fd);
 523 }
 524
 525 static int ws_file_unlink(void *workstation, surf_file_t fd)
 526 {
 527   if (!fd){
 528     XBT_WARN("No such file descriptor. Impossible to unlink");
 529     return 0;
 530   } else {
 531 //    XBT_INFO("%s %zu", fd->storage, fd->size);
 532     storage_t st = find_storage_on_mount_list(workstation, fd->storage);
 533     xbt_dict_t content_dict = (st)->content;
 534     /* Check if the file is on this storage */
 535     if (!xbt_dict_get_or_null(content_dict, fd->name)){
 536       XBT_WARN("File %s is not on disk %s. Impossible to unlink", fd->name,
 537           st->generic_resource.name);
 538       return 0;
 539     } else {
 540       XBT_DEBUG("UNLINK on disk '%s'",st->generic_resource.name);
 541       st->used_size -= fd->size;
 542
 543       // Remove the file from storage
 544       xbt_dict_remove(content_dict,fd->name);
 545
 546       free(fd->name);
 547       free(fd->storage);
 548       xbt_free(fd);
 549       return 1;
 550     }
 551   }
 552 }
 553
 554 static surf_action_t ws_action_ls(void *workstation, const char* mount,
 555                                   const char *path)
 556 {
 557   XBT_DEBUG("LS on mount '%s' and file '%s'",mount, path);
 558   storage_t st = find_storage_on_mount_list(workstation, mount);
 559   surf_model_t model = st->generic_resource.model;
 560   return model->extension.storage.ls(st, path);
 561 }
 562
 563 static size_t ws_file_get_size(void *workstation, surf_file_t fd)
 564 {
 565   return fd->size;
 566 }
 567
 568 void ws_get_params(void *ws, ws_params_t params)
 569 {
 570   workstation_CLM03_t ws_clm03 = surf_workstation_resource_priv(ws);
 571   memcpy(params, &ws_clm03->params, sizeof(s_ws_params_t));
 572 }
 573
 574 void ws_set_params(void *ws, ws_params_t params)
 575 {
 576   workstation_CLM03_t ws_clm03 = surf_workstation_resource_priv(ws);
 577   /* may check something here. */
 578   memcpy(&ws_clm03->params, params, sizeof(s_ws_params_t));
 579 }
 580
 581 static xbt_dynar_t ws_get_vms(void *pm)
 582 {
 583   xbt_dynar_t dyn = xbt_dynar_new(sizeof(smx_host_t), NULL);
 584
 585   /* iterate for all hosts including virtual machines */
 586   xbt_lib_cursor_t cursor;
 587   char *key;
 588   void **ind_host;
 589   xbt_lib_foreach(host_lib, cursor, key, ind_host) {
 590     workstation_CLM03_t ws_clm03 = ind_host[SURF_WKS_LEVEL];
 591     if (!ws_clm03)
 592       continue;
 593     /* skip if it is not a virtual machine */
 594     if (ws_clm03->generic_resource.model != surf_vm_workstation_model)
 595       continue;
 596
 597     /* It is a virtual machine, so we can cast it to workstation_VM2013_t */
 598     workstation_VM2013_t ws_vm2013 = (workstation_VM2013_t) ws_clm03;
 599     if (pm == ws_vm2013->sub_ws)
 600       xbt_dynar_push(dyn, &ws_vm2013->sub_ws);
 601   }
 602
 603   return dyn;
 604 }
 605
 606
 607 static void surf_workstation_model_init_internal(void)
 608 {
 609   surf_model_t model = surf_model_init();
 610
 611   model->name = "Workstation";
 612   model->type = SURF_MODEL_TYPE_WORKSTATION;
 613   model->action_unref     = ws_action_unref;
 614   model->action_cancel    = ws_action_cancel;
 615   model->action_state_set = ws_action_state_set;
 616
 617   model->model_private->resource_used         = ws_resource_used;
 618   model->model_private->share_resources       = ws_share_resources;
 619   model->model_private->update_actions_state  = ws_update_actions_state;
 620   model->model_private->update_resource_state = ws_update_resource_state;
 621   model->model_private->finalize              = ws_finalize;
 622
 623   model->suspend          = ws_action_suspend;
 624   model->resume           = ws_action_resume;
 625   model->is_suspended     = ws_action_is_suspended;
 626   model->set_max_duration = ws_action_set_max_duration;
 627   model->set_priority     = ws_action_set_priority;
 628   model->set_bound        = ws_action_set_bound;
 629   model->set_affinity     = ws_action_set_affinity;
 630   #ifdef HAVE_TRACING
 631   model->set_category     = ws_action_set_category;
 632   #endif
 633   model->get_remains      = ws_action_get_remains;
 634   #ifdef HAVE_LATENCY_BOUND_TRACKING
 635   model->get_latency_limited = ws_get_latency_limited;
 636   #endif
 637
 638   /* For VM support, we have a surf cpu model object for each workstation model
 639    * object. The physical workstation model object has the cpu model object of
 640    * the physical machine layer. */
 641   xbt_assert(surf_cpu_model_pm);
 642   model->extension.workstation.cpu_model = surf_cpu_model_pm;
 643
 644   model->extension.workstation.execute   = ws_execute;
 645   model->extension.workstation.sleep     = ws_action_sleep;
 646   model->extension.workstation.get_state = ws_get_state;
 647   model->extension.workstation.set_state = ws_set_state;
 648   model->extension.workstation.get_core  = ws_get_core;
 649   model->extension.workstation.get_speed = ws_get_speed;
 650   model->extension.workstation.get_available_speed =
 651       ws_get_available_speed;
 652
 653   model->extension.workstation.communicate           = ws_communicate;
 654   model->extension.workstation.get_route             = ws_get_route;
 655   model->extension.workstation.execute_parallel_task = ws_execute_parallel_task;
 656   model->extension.workstation.get_link_bandwidth    = ws_get_link_bandwidth;
 657   model->extension.workstation.get_link_latency      = ws_get_link_latency;
 658   model->extension.workstation.link_shared           = ws_link_shared;
 659   model->extension.workstation.get_properties        = ws_get_properties;
 660
 661   model->extension.workstation.open   = ws_action_open;
 662   model->extension.workstation.close  = ws_action_close;
 663   model->extension.workstation.read   = ws_action_read;
 664   model->extension.workstation.write  = ws_action_write;
 665   model->extension.workstation.unlink = ws_file_unlink;
 666   model->extension.workstation.ls     = ws_action_ls;
 667
 668   model->extension.workstation.get_params = ws_get_params;
 669   model->extension.workstation.set_params = ws_set_params;
 670   model->extension.workstation.get_vms    = ws_get_vms;
 671
 672   surf_workstation_model = model;
 673 }
 674
 675 void surf_workstation_model_init_current_default(void)
 676 {
 677   xbt_cfg_setdefault_boolean(_sg_cfg_set, "network/crosstraffic", xbt_strdup("yes"));
 678   surf_cpu_model_init_Cas01();
 679   surf_network_model_init_LegrandVelho();
 680
 681   /* surf_cpu_mode_pm and surf_network_model must be initialized in advance. */
 682   xbt_assert(surf_cpu_model_pm);
 683   xbt_assert(surf_network_model);
 684   surf_workstation_model_init_internal();
 685
 686   xbt_dynar_push(model_list, &surf_workstation_model);
 687   xbt_dynar_push(model_list_invoke, &surf_workstation_model);
 688   sg_platf_host_add_cb(workstation_new);
 689 }
 690
 691 void surf_workstation_model_init_compound()
 692 {
 693   xbt_assert(surf_cpu_model_pm, "No CPU model defined yet!");
 694   xbt_assert(surf_network_model, "No network model defined yet!");
 695
 696   surf_workstation_model_init_internal();
 697   xbt_dynar_push(model_list, &surf_workstation_model);
 698   xbt_dynar_push(model_list_invoke, &surf_workstation_model);
 699   sg_platf_host_add_cb(workstation_new);
 700 }