src/surf/workstation_ptask_L07.c

   1 /*      $Id$     */
   2
   3 /* Copyright (c) 2007 Arnaud Legrand. All rights reserved.                  */
   4
   5 /* This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the license (GNU LGPL) which comes with this package. */
   7
   8 #include "xbt/ex.h"
   9 #include "xbt/dict.h"
  10 #include "surf_private.h"
  11
  12 typedef enum {
  13   SURF_WORKSTATION_RESOURCE_CPU,
  14   SURF_WORKSTATION_RESOURCE_LINK,
  15 } e_surf_workstation_resource_type_t;
  16
  17 /**************************************/
  18 /********* cpu object *****************/
  19 /**************************************/
  20 typedef struct cpu_L07 {
  21   surf_resource_t resource;     /* Do not move this field */
  22   e_surf_workstation_resource_type_t type;      /* Do not move this field */
  23   char *name;                   /* Do not move this field */
  24   lmm_constraint_t constraint;  /* Do not move this field */
  25   double power_scale;
  26   double power_current;
  27   tmgr_trace_event_t power_event;
  28   e_surf_cpu_state_t state_current;
  29   tmgr_trace_event_t state_event;
  30   int id;                       /* cpu and network card are a single object... */
  31 } s_cpu_L07_t, *cpu_L07_t;
  32
  33 /**************************************/
  34 /*********** network object ***********/
  35 /**************************************/
  36
  37 typedef struct network_link_L07 {
  38   surf_resource_t resource;     /* Do not move this field */
  39   e_surf_workstation_resource_type_t type;      /* Do not move this field */
  40   char *name;                   /* Do not move this field */
  41   lmm_constraint_t constraint;  /* Do not move this field */
  42   double bw_current;
  43   tmgr_trace_event_t bw_event;
  44   e_surf_network_link_state_t state_current;
  45   tmgr_trace_event_t state_event;
  46 } s_network_link_L07_t, *network_link_L07_t;
  47
  48
  49 typedef struct s_route_L07 {
  50   network_link_L07_t *links;
  51   int size;
  52 } s_route_L07_t, *route_L07_t;
  53
  54 /**************************************/
  55 /*************** actions **************/
  56 /**************************************/
  57 typedef struct surf_action_workstation_L07 {
  58   s_surf_action_t generic_action;
  59   lmm_variable_t variable;
  60   double rate;
  61   int suspended;
  62 } s_surf_action_workstation_L07_t, *surf_action_workstation_L07_t;
  63
  64
  65 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_workstation);
  66
  67 static int nb_workstation = 0;
  68 static s_route_L07_t *routing_table = NULL;
  69 #define ROUTE(i,j) routing_table[(i)+(j)*nb_workstation]
  70 static network_link_L07_t loopback = NULL;
  71 static xbt_dict_t parallel_task_network_link_set = NULL;
  72 lmm_system_t ptask_maxmin_system = NULL;
  73
  74 /**************************************/
  75 /******* Resource Public     **********/
  76 /**************************************/
  77
  78 static void *name_service(const char *name)
  79 {
  80   return xbt_dict_get_or_null(workstation_set, name);
  81 }
  82
  83 static const char *get_resource_name(void *resource_id)
  84 {
  85   /* We can freely cast as a cpu_L07_t because it has the same
  86      prefix as network_link_L07_t. However, only cpu_L07_t
  87      will theoretically be given as an argument here. */
  88   return ((cpu_L07_t) resource_id)->name;
  89 }
  90
  91 /* action_get_state is inherited from the surf module */
  92
  93 static void action_use(surf_action_t action)
  94 {
  95   action->using++;
  96   return;
  97 }
  98
  99 static int action_free(surf_action_t action)
 100 {
 101   action->using--;
 102
 103   if (!action->using) {
 104     xbt_swag_remove(action, action->state_set);
 105     if (((surf_action_workstation_L07_t) action)->variable)
 106       lmm_variable_free(ptask_maxmin_system,
 107                         ((surf_action_workstation_L07_t) action)->
 108                         variable);
 109     free(action);
 110     return 1;
 111   }
 112   return 0;
 113 }
 114
 115 static void action_cancel(surf_action_t action)
 116 {
 117   surf_action_change_state(action, SURF_ACTION_FAILED);
 118   return;
 119 }
 120
 121 static void action_recycle(surf_action_t action)
 122 {
 123   DIE_IMPOSSIBLE;
 124   return;
 125 }
 126
 127 /* action_change_state is inherited from the surf module */
 128 /* action_set_data is inherited from the surf module */
 129
 130 static void action_suspend(surf_action_t action)
 131 {
 132   XBT_IN1("(%p))", action);
 133   if (((surf_action_workstation_L07_t) action)->suspended != 2) {
 134     ((surf_action_workstation_L07_t) action)->suspended = 1;
 135     lmm_update_variable_weight(ptask_maxmin_system,
 136                                ((surf_action_workstation_L07_t)
 137                                 action)->variable, 0.0);
 138   }
 139   XBT_OUT;
 140 }
 141
 142 static void action_resume(surf_action_t action)
 143 {
 144   XBT_IN1("(%p)", action);
 145   if (((surf_action_workstation_L07_t) action)->suspended != 2) {
 146     lmm_update_variable_weight(ptask_maxmin_system,
 147                                ((surf_action_workstation_L07_t)
 148                                 action)->variable, 1.0);
 149     ((surf_action_workstation_L07_t) action)->suspended = 0;
 150   }
 151   XBT_OUT;
 152 }
 153
 154 static int action_is_suspended(surf_action_t action)
 155 {
 156   return (((surf_action_workstation_L07_t) action)->suspended == 1);
 157 }
 158
 159 static void action_set_max_duration(surf_action_t action, double duration)
 160 {                               /* FIXME: should inherit */
 161   XBT_IN2("(%p,%g)", action, duration);
 162   action->max_duration = duration;
 163   XBT_OUT;
 164 }
 165
 166
 167 static void action_set_priority(surf_action_t action, double priority)
 168 {                               /* FIXME: should inherit */
 169   XBT_IN2("(%p,%g)", action, priority);
 170   action->priority = priority;
 171   XBT_OUT;
 172 }
 173
 174 /**************************************/
 175 /******* Resource Private    **********/
 176 /**************************************/
 177
 178 static int resource_used(void *resource_id)
 179 {
 180   /* We can freely cast as a network_link_L07_t because it has
 181      the same prefix as cpu_L07_t */
 182   return lmm_constraint_used(ptask_maxmin_system,
 183                              ((network_link_L07_t) resource_id)->
 184                              constraint);
 185
 186 }
 187
 188 static double share_resources(double now)
 189 {
 190   s_surf_action_workstation_L07_t s_action;
 191
 192   xbt_swag_t running_actions =
 193       surf_workstation_resource->common_public->states.running_action_set;
 194   double min = generic_maxmin_share_resources2(running_actions,
 195                                                xbt_swag_offset(s_action,
 196                                                                variable),
 197                                                ptask_maxmin_system,
 198                                                bottleneck_solve);
 199
 200   DEBUG1("min value : %f", min);
 201
 202   return min;
 203 }
 204
 205 static void update_actions_state(double now, double delta)
 206 {
 207   surf_action_workstation_L07_t action = NULL;
 208   surf_action_workstation_L07_t next_action = NULL;
 209   xbt_swag_t running_actions =
 210       surf_workstation_resource->common_public->states.running_action_set;
 211
 212   xbt_swag_foreach_safe(action, next_action, running_actions) {
 213     DEBUG3("Action (%p) : remains (%g) updated by %g.",
 214            action, action->generic_action.remains,
 215            lmm_variable_getvalue(action->variable) * delta);
 216     double_update(&(action->generic_action.remains),
 217                   lmm_variable_getvalue(action->variable) * delta);
 218
 219     if (action->generic_action.max_duration != NO_MAX_DURATION)
 220       double_update(&(action->generic_action.max_duration), delta);
 221
 222     if ((action->generic_action.remains <= 0) &&
 223         (lmm_get_variable_weight(action->variable) > 0)) {
 224       action->generic_action.finish = surf_get_clock();
 225       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 226     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 227                (action->generic_action.max_duration <= 0)) {
 228       action->generic_action.finish = surf_get_clock();
 229       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 230     } else {
 231       /* Need to check that none of the resource has failed */
 232       lmm_constraint_t cnst = NULL;
 233       int i = 0;
 234       void *constraint_id = NULL;
 235
 236       while ((cnst =
 237               lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
 238                                     i++))) {
 239         constraint_id = lmm_constraint_id(cnst);
 240
 241 /*      if(((network_link_L07_t)constraint_id)->type== */
 242 /*         SURF_WORKSTATION_RESOURCE_LINK) { */
 243 /*        DEBUG2("Checking for link %s (%p)", */
 244 /*               ((network_link_L07_t)constraint_id)->name, */
 245 /*               ((network_link_L07_t)constraint_id)); */
 246 /*      } */
 247 /*      if(((cpu_L07_t)constraint_id)->type== */
 248 /*         SURF_WORKSTATION_RESOURCE_CPU) { */
 249 /*        DEBUG3("Checking for cpu %s (%p) : %s", */
 250 /*               ((cpu_L07_t)constraint_id)->name, */
 251 /*               ((cpu_L07_t)constraint_id), */
 252 /*               ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
 253 /*      } */
 254
 255         if (((((network_link_L07_t) constraint_id)->type ==
 256               SURF_WORKSTATION_RESOURCE_LINK) &&
 257              (((network_link_L07_t) constraint_id)->state_current ==
 258               SURF_NETWORK_LINK_OFF)) ||
 259             ((((cpu_L07_t) constraint_id)->type ==
 260               SURF_WORKSTATION_RESOURCE_CPU) &&
 261              (((cpu_L07_t) constraint_id)->state_current ==
 262               SURF_CPU_OFF))) {
 263           DEBUG1("Action (%p) Failed!!", action);
 264           action->generic_action.finish = surf_get_clock();
 265           surf_action_change_state((surf_action_t) action,
 266                                    SURF_ACTION_FAILED);
 267           break;
 268         }
 269       }
 270     }
 271   }
 272   return;
 273 }
 274
 275 static void update_resource_state(void *id,
 276                                   tmgr_trace_event_t event_type,
 277                                   double value)
 278 {
 279   cpu_L07_t cpu = id;
 280   network_link_L07_t nw_link = id;
 281
 282   if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 283     DEBUG2("Updating link %s (%p)", nw_link->name, nw_link);
 284     if (event_type == nw_link->bw_event) {
 285       nw_link->bw_current = value;
 286       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
 287                                   nw_link->bw_current);
 288     } else if (event_type == nw_link->state_event) {
 289       if (value > 0)
 290         nw_link->state_current = SURF_NETWORK_LINK_ON;
 291       else
 292         nw_link->state_current = SURF_NETWORK_LINK_OFF;
 293     } else {
 294       CRITICAL0("Unknown event ! \n");
 295       xbt_abort();
 296     }
 297     return;
 298   } else if (cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 299     DEBUG3("Updating cpu %s (%p) with value %g", cpu->name, cpu, value);
 300     if (event_type == cpu->power_event) {
 301       cpu->power_current = value;
 302       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
 303                                   cpu->power_current);
 304     } else if (event_type == cpu->state_event) {
 305       if (value > 0)
 306         cpu->state_current = SURF_CPU_ON;
 307       else
 308         cpu->state_current = SURF_CPU_OFF;
 309     } else {
 310       CRITICAL0("Unknown event ! \n");
 311       xbt_abort();
 312     }
 313     return;
 314   } else {
 315     DIE_IMPOSSIBLE;
 316   }
 317   return;
 318 }
 319
 320 static void finalize(void)
 321 {
 322   int i, j;
 323
 324   xbt_dict_free(&network_link_set);
 325   xbt_dict_free(&workstation_set);
 326   if (parallel_task_network_link_set != NULL) {
 327     xbt_dict_free(&parallel_task_network_link_set);
 328   }
 329   xbt_swag_free(surf_workstation_resource->common_public->states.
 330                 ready_action_set);
 331   xbt_swag_free(surf_workstation_resource->common_public->states.
 332                 running_action_set);
 333   xbt_swag_free(surf_workstation_resource->common_public->states.
 334                 failed_action_set);
 335   xbt_swag_free(surf_workstation_resource->common_public->states.
 336                 done_action_set);
 337
 338   free(surf_workstation_resource->common_public);
 339   free(surf_workstation_resource->common_private);
 340   free(surf_workstation_resource->extension_public);
 341
 342   free(surf_workstation_resource);
 343   surf_workstation_resource = NULL;
 344
 345   for (i = 0; i < nb_workstation; i++)
 346     for (j = 0; j < nb_workstation; j++)
 347       free(ROUTE(i, j).links);
 348   free(routing_table);
 349   routing_table = NULL;
 350   nb_workstation = 0;
 351
 352   if (ptask_maxmin_system) {
 353     lmm_system_free(ptask_maxmin_system);
 354     ptask_maxmin_system = NULL;
 355   }
 356 }
 357
 358 /**************************************/
 359 /******* Resource Private    **********/
 360 /**************************************/
 361
 362 static e_surf_cpu_state_t resource_get_state(void *cpu)
 363 {
 364   return ((cpu_L07_t) cpu)->state_current;
 365 }
 366
 367 static double get_speed(void *cpu, double load)
 368 {
 369   return load * (((cpu_L07_t) cpu)->power_scale);
 370 }
 371
 372 static double get_available_speed(void *cpu)
 373 {
 374   return ((cpu_L07_t) cpu)->power_current;
 375 }
 376
 377 static surf_action_t execute_parallel_task(int workstation_nb,
 378                                            void **workstation_list,
 379                                            double *computation_amount,
 380                                            double *communication_amount,
 381                                            double amount, double rate)
 382 {
 383   surf_action_workstation_L07_t action = NULL;
 384   int i, j, k;
 385   int nb_link = 0;
 386   int nb_host = 0;
 387
 388   if (parallel_task_network_link_set == NULL) {
 389     parallel_task_network_link_set =
 390         xbt_dict_new_ext(workstation_nb * workstation_nb * 10);
 391   }
 392
 393   /* Compute the number of affected resources... */
 394   for (i = 0; i < workstation_nb; i++) {
 395     for (j = 0; j < workstation_nb; j++) {
 396       cpu_L07_t card_src = workstation_list[i];
 397       cpu_L07_t card_dst = workstation_list[j];
 398       int route_size = ROUTE(card_src->id, card_dst->id).size;
 399       network_link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
 400
 401       if (communication_amount[i * workstation_nb + j] > 0)
 402         for (k = 0; k < route_size; k++) {
 403           xbt_dict_set(parallel_task_network_link_set, route[k]->name,
 404                        route[k], NULL);
 405         }
 406     }
 407   }
 408   nb_link = xbt_dict_length(parallel_task_network_link_set);
 409   xbt_dict_reset(parallel_task_network_link_set);
 410
 411
 412   for (i = 0; i < workstation_nb; i++)
 413     if (computation_amount[i] > 0)
 414       nb_host++;
 415
 416
 417   if (nb_link + nb_host == 0)   /* was workstation_nb... */
 418     return NULL;
 419
 420   action = xbt_new0(s_surf_action_workstation_L07_t, 1);
 421   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
 422          action, nb_host, nb_link);
 423   action->generic_action.using = 1;
 424   action->generic_action.cost = amount;
 425   action->generic_action.remains = amount;
 426   action->generic_action.max_duration = NO_MAX_DURATION;
 427   action->generic_action.start = -1.0;
 428   action->generic_action.finish = -1.0;
 429   action->generic_action.resource_type =
 430       (surf_resource_t) surf_workstation_resource;
 431   action->suspended = 0;        /* Should be useless because of the
 432                                    calloc but it seems to help valgrind... */
 433   action->generic_action.state_set =
 434       surf_workstation_resource->common_public->states.running_action_set;
 435
 436   xbt_swag_insert(action, action->generic_action.state_set);
 437   action->rate = rate;
 438
 439   if (action->rate > 0)
 440     action->variable =
 441         lmm_variable_new(ptask_maxmin_system, action, 1.0, -1.0,
 442                          nb_host + nb_link);
 443   else
 444     action->variable =
 445         lmm_variable_new(ptask_maxmin_system, action, 1.0, action->rate,
 446                          nb_host + nb_link);
 447
 448   for (i = 0; i < workstation_nb; i++)
 449     if (computation_amount[i] > 0)
 450       lmm_expand(ptask_maxmin_system,
 451                  ((cpu_L07_t) workstation_list[i])->constraint,
 452                  action->variable, computation_amount[i]);
 453
 454   for (i = 0; i < workstation_nb; i++) {
 455     for (j = 0; j < workstation_nb; j++) {
 456       cpu_L07_t card_src = workstation_list[i];
 457       cpu_L07_t card_dst = workstation_list[j];
 458       int route_size = ROUTE(card_src->id, card_dst->id).size;
 459       network_link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
 460
 461       for (k = 0; k < route_size; k++) {
 462         if (communication_amount[i * workstation_nb + j] > 0) {
 463           lmm_expand_add(ptask_maxmin_system, route[k]->constraint,
 464                          action->variable,
 465                          communication_amount[i * workstation_nb + j]);
 466         }
 467       }
 468     }
 469   }
 470
 471   return (surf_action_t) action;
 472 }
 473
 474 static surf_action_t execute(void *cpu, double size)
 475 {
 476   double val = 0.0;
 477
 478   return execute_parallel_task(1, &cpu, &size, &val, 1, -1);
 479 }
 480
 481 static surf_action_t communicate(void *src, void *dst, double size,
 482                                  double rate)
 483 {
 484   void **workstation_list = xbt_new0(void *, 2);
 485   double *computation_amount = xbt_new0(double, 2);
 486   double *communication_amount = xbt_new0(double, 4);
 487   surf_action_t res = NULL;
 488
 489   workstation_list[0] = src;
 490   workstation_list[1] = src;
 491   communication_amount[1] = size;
 492
 493   res = execute_parallel_task(2, workstation_list,
 494                               computation_amount, communication_amount,
 495                               1, rate);
 496
 497   free(computation_amount);
 498   free(communication_amount);
 499   free(workstation_list);
 500
 501   return res;
 502 }
 503
 504 static surf_action_t action_sleep(void *cpu, double duration)
 505 {
 506   surf_action_workstation_L07_t action = NULL;
 507
 508   XBT_IN2("(%s,%g)", ((cpu_L07_t) cpu)->name, duration);
 509
 510   action = (surf_action_workstation_L07_t) execute(cpu, 1.0);
 511   action->generic_action.max_duration = duration;
 512   action->suspended = 2;
 513   lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 514
 515   XBT_OUT;
 516   return (surf_action_t) action;
 517 }
 518
 519 /* returns an array of network_link_L07_t */
 520 static const void **get_route(void *src, void *dst)
 521 {
 522   cpu_L07_t card_src = src;
 523   cpu_L07_t card_dst = dst;
 524   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
 525
 526   return (const void **) route->links;
 527 }
 528
 529 static int get_route_size(void *src, void *dst)
 530 {
 531   cpu_L07_t card_src = src;
 532   cpu_L07_t card_dst = dst;
 533   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
 534   return route->size;
 535 }
 536
 537 static const char *get_link_name(const void *link)
 538 {
 539   return ((network_link_L07_t) link)->name;
 540 }
 541
 542 static double get_link_bandwidth(const void *link)
 543 {
 544   return ((network_link_L07_t) link)->bw_current;
 545 }
 546
 547 static double get_link_latency(const void *link)
 548 {
 549   xbt_assert0(0, "This model does not implement latencies");
 550 }
 551
 552 /**************************************/
 553 /*** Resource Creation & Destruction **/
 554 /**************************************/
 555
 556 static void cpu_free(void *cpu)
 557 {
 558   free(((cpu_L07_t) cpu)->name);
 559   free(cpu);
 560 }
 561
 562 static cpu_L07_t cpu_new(const char *name, double power_scale,
 563                          double power_initial,
 564                          tmgr_trace_t power_trace,
 565                          e_surf_cpu_state_t state_initial,
 566                          tmgr_trace_t state_trace)
 567 {
 568   cpu_L07_t cpu = xbt_new0(s_cpu_L07_t, 1);
 569
 570   cpu->resource = (surf_resource_t) surf_workstation_resource;
 571   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 572   cpu->name = xbt_strdup(name);
 573   cpu->id = nb_workstation++;
 574
 575   cpu->power_scale = power_scale;
 576   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 577
 578   cpu->power_current = power_initial;
 579   if (power_trace)
 580     cpu->power_event =
 581         tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 582
 583   cpu->state_current = state_initial;
 584   if (state_trace)
 585     cpu->state_event =
 586         tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 587
 588   cpu->constraint =
 589       lmm_constraint_new(ptask_maxmin_system, cpu,
 590                          cpu->power_current * cpu->power_scale);
 591
 592   xbt_dict_set(workstation_set, name, cpu, cpu_free);
 593
 594   return cpu;
 595 }
 596
 597 static void parse_cpu(void)
 598 {
 599   double power_scale = 0.0;
 600   double power_initial = 0.0;
 601   tmgr_trace_t power_trace = NULL;
 602   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
 603   tmgr_trace_t state_trace = NULL;
 604
 605   surf_parse_get_double(&power_scale, A_surfxml_cpu_power);
 606   surf_parse_get_double(&power_initial, A_surfxml_cpu_availability);
 607   surf_parse_get_trace(&power_trace, A_surfxml_cpu_availability_file);
 608
 609   xbt_assert0((A_surfxml_cpu_state == A_surfxml_cpu_state_ON) ||
 610               (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF),
 611               "Invalid state");
 612   if (A_surfxml_cpu_state == A_surfxml_cpu_state_ON)
 613     state_initial = SURF_CPU_ON;
 614   if (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF)
 615     state_initial = SURF_CPU_OFF;
 616   surf_parse_get_trace(&state_trace, A_surfxml_cpu_state_file);
 617
 618   cpu_new(A_surfxml_cpu_name, power_scale, power_initial, power_trace,
 619           state_initial, state_trace);
 620 }
 621
 622 static void create_routing_table(void)
 623 {
 624   routing_table = xbt_new0(s_route_L07_t, nb_workstation * nb_workstation);
 625 }
 626
 627 static void network_link_free(void *nw_link)
 628 {
 629   free(((network_link_L07_t) nw_link)->name);
 630   free(nw_link);
 631 }
 632
 633 static network_link_L07_t network_link_new(char *name,
 634                                            double bw_initial,
 635                                            tmgr_trace_t bw_trace,
 636                                            e_surf_network_link_state_t
 637                                            state_initial,
 638                                            tmgr_trace_t state_trace,
 639                                            e_surf_network_link_sharing_policy_t
 640                                            policy)
 641 {
 642   network_link_L07_t nw_link = xbt_new0(s_network_link_L07_t, 1);
 643
 644
 645   nw_link->resource = (surf_resource_t) surf_workstation_resource;
 646   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 647   nw_link->name = name;
 648   nw_link->bw_current = bw_initial;
 649   if (bw_trace)
 650     nw_link->bw_event =
 651         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 652   nw_link->state_current = state_initial;
 653   if (state_trace)
 654     nw_link->state_event =
 655         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 656
 657   nw_link->constraint =
 658       lmm_constraint_new(ptask_maxmin_system, nw_link,
 659                          nw_link->bw_current);
 660
 661   if (policy == SURF_NETWORK_LINK_FATPIPE)
 662     lmm_constraint_shared(nw_link->constraint);
 663
 664   xbt_dict_set(network_link_set, name, nw_link, network_link_free);
 665
 666   return nw_link;
 667 }
 668
 669 static void parse_network_link(void)
 670 {
 671   char *name;
 672   double bw_initial;
 673   tmgr_trace_t bw_trace;
 674   e_surf_network_link_state_t state_initial = SURF_NETWORK_LINK_ON;
 675   e_surf_network_link_sharing_policy_t policy_initial =
 676       SURF_NETWORK_LINK_SHARED;
 677   tmgr_trace_t state_trace;
 678
 679   name = xbt_strdup(A_surfxml_network_link_name);
 680   surf_parse_get_double(&bw_initial, A_surfxml_network_link_bandwidth);
 681   surf_parse_get_trace(&bw_trace, A_surfxml_network_link_bandwidth_file);
 682
 683   xbt_assert0((A_surfxml_network_link_state ==
 684                A_surfxml_network_link_state_ON)
 685               || (A_surfxml_network_link_state ==
 686                   A_surfxml_network_link_state_OFF), "Invalid state");
 687   if (A_surfxml_network_link_state == A_surfxml_network_link_state_ON)
 688     state_initial = SURF_NETWORK_LINK_ON;
 689   else if (A_surfxml_network_link_state ==
 690            A_surfxml_network_link_state_OFF)
 691     state_initial = SURF_NETWORK_LINK_OFF;
 692
 693   if (A_surfxml_network_link_sharing_policy ==
 694       A_surfxml_network_link_sharing_policy_SHARED)
 695     policy_initial = SURF_NETWORK_LINK_SHARED;
 696   else if (A_surfxml_network_link_sharing_policy ==
 697            A_surfxml_network_link_sharing_policy_FATPIPE)
 698     policy_initial = SURF_NETWORK_LINK_FATPIPE;
 699
 700   surf_parse_get_trace(&state_trace, A_surfxml_network_link_state_file);
 701
 702   network_link_new(name, bw_initial, bw_trace, state_initial, state_trace,
 703                    policy_initial);
 704 }
 705
 706 static void route_new(int src_id, int dst_id,
 707                       network_link_L07_t * link_list, int nb_link)
 708 {
 709   route_L07_t route = &(ROUTE(src_id, dst_id));
 710
 711   route->size = nb_link;
 712   route->links = link_list =
 713       xbt_realloc(link_list, sizeof(network_link_L07_t) * nb_link);
 714 }
 715
 716 static int nb_link;
 717 static int link_list_capacity;
 718 static network_link_L07_t *link_list = NULL;
 719 static int src_id = -1;
 720 static int dst_id = -1;
 721
 722 static void parse_route_set_endpoints(void)
 723 {
 724   cpu_L07_t cpu_tmp = NULL;
 725
 726   cpu_tmp = (cpu_L07_t) name_service(A_surfxml_route_src);
 727   xbt_assert1(cpu_tmp, "Invalid cpu %s", A_surfxml_route_src);
 728   if (cpu_tmp != NULL)
 729     src_id = cpu_tmp->id;
 730
 731   cpu_tmp = (cpu_L07_t) name_service(A_surfxml_route_dst);
 732   xbt_assert1(cpu_tmp, "Invalid cpu %s", A_surfxml_route_dst);
 733   if (cpu_tmp != NULL)
 734     dst_id = cpu_tmp->id;
 735
 736   nb_link = 0;
 737   link_list_capacity = 1;
 738   link_list = xbt_new(network_link_L07_t, link_list_capacity);
 739 }
 740
 741 static void parse_route_elem(void)
 742 {
 743   xbt_ex_t e;
 744   if (nb_link == link_list_capacity) {
 745     link_list_capacity *= 2;
 746     link_list =
 747         xbt_realloc(link_list,
 748                     (link_list_capacity) * sizeof(network_link_L07_t));
 749   }
 750   TRY {
 751     link_list[nb_link++] =
 752         xbt_dict_get(network_link_set, A_surfxml_route_element_name);
 753   }
 754   CATCH(e) {
 755     RETHROW1("Link %s not found (dict raised this exception: %s)",
 756              A_surfxml_route_element_name);
 757   }
 758 }
 759
 760 static void parse_route_set_route(void)
 761 {
 762   if (src_id != -1 && dst_id != -1)
 763     route_new(src_id, dst_id, link_list, nb_link);
 764 }
 765
 766 static void parse_file(const char *file)
 767 {
 768   int i;
 769
 770   /* Figuring out the cpus */
 771   surf_parse_reset_parser();
 772   ETag_surfxml_cpu_fun = parse_cpu;
 773   surf_parse_open(file);
 774   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 775   surf_parse_close();
 776
 777   create_routing_table();
 778
 779   /* Figuring out the network links */
 780   surf_parse_reset_parser();
 781   ETag_surfxml_network_link_fun = parse_network_link;
 782   surf_parse_open(file);
 783   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 784   surf_parse_close();
 785
 786   /* Building the routes */
 787   surf_parse_reset_parser();
 788   STag_surfxml_route_fun = parse_route_set_endpoints;
 789   ETag_surfxml_route_element_fun = parse_route_elem;
 790   ETag_surfxml_route_fun = parse_route_set_route;
 791   surf_parse_open(file);
 792   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 793   surf_parse_close();
 794
 795   /* Adding loopback if needed */
 796   for (i = 0; i < nb_workstation; i++)
 797     if (!ROUTE(i, i).size) {
 798       if (!loopback)
 799         loopback = network_link_new(xbt_strdup("__MSG_loopback__"),
 800                                     498000000, NULL,
 801                                     SURF_NETWORK_LINK_ON, NULL,
 802                                     SURF_NETWORK_LINK_FATPIPE);
 803
 804       ROUTE(i, i).size = 1;
 805       ROUTE(i, i).links = xbt_new0(network_link_L07_t, 1);
 806       ROUTE(i, i).links[0] = loopback;
 807     }
 808 }
 809
 810 /**************************************/
 811 /********* Module  creation ***********/
 812 /**************************************/
 813
 814 static void resource_init_internal(void)
 815 {
 816   s_surf_action_t action;
 817
 818   surf_workstation_resource = xbt_new0(s_surf_workstation_resource_t, 1);
 819
 820   surf_workstation_resource->common_private =
 821       xbt_new0(s_surf_resource_private_t, 1);
 822   surf_workstation_resource->common_public =
 823       xbt_new0(s_surf_resource_public_t, 1);
 824   surf_workstation_resource->extension_public =
 825       xbt_new0(s_surf_workstation_resource_extension_public_t, 1);
 826
 827   surf_workstation_resource->common_public->states.ready_action_set =
 828       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 829   surf_workstation_resource->common_public->states.running_action_set =
 830       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 831   surf_workstation_resource->common_public->states.failed_action_set =
 832       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 833   surf_workstation_resource->common_public->states.done_action_set =
 834       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 835
 836   surf_workstation_resource->common_public->name_service = name_service;
 837   surf_workstation_resource->common_public->get_resource_name =
 838       get_resource_name;
 839   surf_workstation_resource->common_public->action_get_state =
 840       surf_action_get_state;
 841   surf_workstation_resource->common_public->action_get_start_time =
 842       surf_action_get_start_time;
 843   surf_workstation_resource->common_public->action_get_finish_time =
 844       surf_action_get_finish_time;
 845   surf_workstation_resource->common_public->action_use = action_use;
 846   surf_workstation_resource->common_public->action_free = action_free;
 847   surf_workstation_resource->common_public->action_cancel = action_cancel;
 848   surf_workstation_resource->common_public->action_recycle =
 849       action_recycle;
 850   surf_workstation_resource->common_public->action_change_state =
 851       surf_action_change_state;
 852   surf_workstation_resource->common_public->action_set_data =
 853       surf_action_set_data;
 854   surf_workstation_resource->common_public->suspend = action_suspend;
 855   surf_workstation_resource->common_public->resume = action_resume;
 856   surf_workstation_resource->common_public->is_suspended =
 857       action_is_suspended;
 858   surf_workstation_resource->common_public->set_max_duration =
 859       action_set_max_duration;
 860   surf_workstation_resource->common_public->set_priority =
 861       action_set_priority;
 862   surf_workstation_resource->common_public->name = "Workstation ptask_L07";
 863
 864   surf_workstation_resource->common_private->resource_used = resource_used;
 865   surf_workstation_resource->common_private->share_resources =
 866       share_resources;
 867   surf_workstation_resource->common_private->update_actions_state =
 868       update_actions_state;
 869   surf_workstation_resource->common_private->update_resource_state =
 870       update_resource_state;
 871   surf_workstation_resource->common_private->finalize = finalize;
 872
 873   surf_workstation_resource->extension_public->execute = execute;
 874   surf_workstation_resource->extension_public->sleep = action_sleep;
 875   surf_workstation_resource->extension_public->get_state =
 876       resource_get_state;
 877   surf_workstation_resource->extension_public->get_speed = get_speed;
 878   surf_workstation_resource->extension_public->get_available_speed =
 879       get_available_speed;
 880   surf_workstation_resource->extension_public->communicate = communicate;
 881   surf_workstation_resource->extension_public->execute_parallel_task =
 882       execute_parallel_task;
 883   surf_workstation_resource->extension_public->get_route = get_route;
 884   surf_workstation_resource->extension_public->get_route_size =
 885       get_route_size;
 886   surf_workstation_resource->extension_public->get_link_name =
 887       get_link_name;
 888   surf_workstation_resource->extension_public->get_link_bandwidth =
 889       get_link_bandwidth;
 890   surf_workstation_resource->extension_public->get_link_latency =
 891       get_link_latency;
 892
 893   workstation_set = xbt_dict_new();
 894   network_link_set = xbt_dict_new();
 895
 896   if (!ptask_maxmin_system)
 897     ptask_maxmin_system = lmm_system_new();
 898 }
 899
 900 /**************************************/
 901 /*************** Generic **************/
 902 /**************************************/
 903 void surf_workstation_resource_init_ptask_L07(const char *filename)
 904 {
 905   xbt_assert0(!surf_cpu_resource, "CPU resource type already defined");
 906   xbt_assert0(!surf_network_resource,
 907               "network resource type already defined");
 908   resource_init_internal();
 909   parse_file(filename);
 910
 911   update_resource_description(surf_workstation_resource_description,
 912                               surf_workstation_resource_description_size,
 913                               "ptask_L07",
 914                               (surf_resource_t) surf_workstation_resource);
 915   xbt_dynar_push(resource_list, &surf_workstation_resource);
 916 }