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 /* extern lmm_system_t maxmin_system; */
  12
  13 typedef enum {
  14   SURF_WORKSTATION_RESOURCE_CPU,
  15   SURF_WORKSTATION_RESOURCE_LINK,
  16 } e_surf_workstation_model_type_t;
  17
  18 /**************************************/
  19 /********* cpu object *****************/
  20 /**************************************/
  21 typedef struct cpu_L07 {
  22   surf_model_t model;   /* Do not move this field */
  23   e_surf_workstation_model_type_t type; /* Do not move this field */
  24   char *name;                   /* Do not move this field */
  25   lmm_constraint_t constraint;  /* Do not move this field */
  26   double power_scale;
  27   double power_current;
  28   tmgr_trace_event_t power_event;
  29   e_surf_cpu_state_t state_current;
  30   tmgr_trace_event_t state_event;
  31   int id;                       /* cpu and network card are a single object... */
  32 } s_cpu_L07_t, *cpu_L07_t;
  33
  34 /**************************************/
  35 /*********** network object ***********/
  36 /**************************************/
  37
  38 typedef struct network_link_L07 {
  39   surf_model_t model;   /* Do not move this field */
  40   e_surf_workstation_model_type_t type; /* Do not move this field */
  41   char *name;                   /* Do not move this field */
  42   lmm_constraint_t constraint;  /* Do not move this field */
  43   double lat_current;
  44   tmgr_trace_event_t lat_event;
  45   double bw_current;
  46   tmgr_trace_event_t bw_event;
  47   e_surf_network_link_state_t state_current;
  48   tmgr_trace_event_t state_event;
  49 } s_network_link_L07_t, *network_link_L07_t;
  50
  51
  52 typedef struct s_route_L07 {
  53   network_link_L07_t *links;
  54   int size;
  55 } s_route_L07_t, *route_L07_t;
  56
  57 /**************************************/
  58 /*************** actions **************/
  59 /**************************************/
  60 typedef struct surf_action_workstation_L07 {
  61   s_surf_action_t generic_action;
  62   lmm_variable_t variable;
  63   double latency;
  64   double rate;
  65   int suspended;
  66 } s_surf_action_workstation_L07_t, *surf_action_workstation_L07_t;
  67
  68
  69 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_workstation);
  70
  71 static int nb_workstation = 0;
  72 static s_route_L07_t *routing_table = NULL;
  73 #define ROUTE(i,j) routing_table[(i)+(j)*nb_workstation]
  74 static network_link_L07_t loopback = NULL;
  75 static xbt_dict_t parallel_task_network_link_set = NULL;
  76 lmm_system_t ptask_maxmin_system = NULL;
  77
  78 /**************************************/
  79 /******* Resource Public     **********/
  80 /**************************************/
  81
  82 static void *name_service(const char *name)
  83 {
  84   return xbt_dict_get_or_null(workstation_set, name);
  85 }
  86
  87 static const char *get_resource_name(void *resource_id)
  88 {
  89   /* We can freely cast as a cpu_L07_t because it has the same
  90      prefix as network_link_L07_t. However, only cpu_L07_t
  91      will theoretically be given as an argument here. */
  92   return ((cpu_L07_t) resource_id)->name;
  93 }
  94
  95 /* action_get_state is inherited from the surf module */
  96
  97 static void action_use(surf_action_t action)
  98 {
  99   action->using++;
 100   return;
 101 }
 102
 103 static int action_free(surf_action_t action)
 104 {
 105   action->using--;
 106
 107   if (!action->using) {
 108     xbt_swag_remove(action, action->state_set);
 109     if (((surf_action_workstation_L07_t) action)->variable)
 110       lmm_variable_free(ptask_maxmin_system,
 111                         ((surf_action_workstation_L07_t) action)->
 112                         variable);
 113     free(action);
 114     return 1;
 115   }
 116   return 0;
 117 }
 118
 119 static void action_cancel(surf_action_t action)
 120 {
 121   surf_action_change_state(action, SURF_ACTION_FAILED);
 122   return;
 123 }
 124
 125 static void action_recycle(surf_action_t action)
 126 {
 127   DIE_IMPOSSIBLE;
 128   return;
 129 }
 130
 131 /* action_change_state is inherited from the surf module */
 132 /* action_set_data is inherited from the surf module */
 133
 134 static void action_suspend(surf_action_t action)
 135 {
 136   XBT_IN1("(%p))", action);
 137   if (((surf_action_workstation_L07_t) action)->suspended != 2) {
 138     ((surf_action_workstation_L07_t) action)->suspended = 1;
 139     lmm_update_variable_weight(ptask_maxmin_system,
 140                                ((surf_action_workstation_L07_t)
 141                                 action)->variable, 0.0);
 142   }
 143   XBT_OUT;
 144 }
 145
 146 static void action_resume(surf_action_t action)
 147 {
 148   surf_action_workstation_L07_t act = (surf_action_workstation_L07_t) action;
 149
 150   XBT_IN1("(%p)", act);
 151   if (act->suspended != 2) {
 152     lmm_update_variable_weight(ptask_maxmin_system,
 153                                act->variable, 1.0);
 154     act->suspended = 0;
 155   }
 156   XBT_OUT;
 157 }
 158
 159 static int action_is_suspended(surf_action_t action)
 160 {
 161   return (((surf_action_workstation_L07_t) action)->suspended == 1);
 162 }
 163
 164 static void action_set_max_duration(surf_action_t action, double duration)
 165 {                               /* FIXME: should inherit */
 166   XBT_IN2("(%p,%g)", action, duration);
 167   action->max_duration = duration;
 168   XBT_OUT;
 169 }
 170
 171
 172 static void action_set_priority(surf_action_t action, double priority)
 173 {                               /* FIXME: should inherit */
 174   XBT_IN2("(%p,%g)", action, priority);
 175   action->priority = priority;
 176   XBT_OUT;
 177 }
 178
 179 /**************************************/
 180 /******* Resource Private    **********/
 181 /**************************************/
 182
 183 static int resource_used(void *resource_id)
 184 {
 185   /* We can freely cast as a network_link_L07_t because it has
 186      the same prefix as cpu_L07_t */
 187   return lmm_constraint_used(ptask_maxmin_system,
 188                              ((network_link_L07_t) resource_id)->
 189                              constraint);
 190
 191 }
 192
 193 static double share_resources(double now)
 194 {
 195   s_surf_action_workstation_L07_t s_action;
 196   surf_action_workstation_L07_t action = NULL;
 197
 198   xbt_swag_t running_actions =
 199       surf_workstation_model->common_public->states.running_action_set;
 200   double min = generic_maxmin_share_resources2(running_actions,
 201                                                xbt_swag_offset(s_action,
 202                                                                variable),
 203                                                ptask_maxmin_system,
 204                                                bottleneck_solve);
 205
 206   xbt_swag_foreach(action, running_actions) {
 207     if (action->latency > 0) {
 208       if (min < 0) {
 209         min = action->latency;
 210         DEBUG3("Updating min (value) with %p (start %f): %f", action,
 211                action->generic_action.start, min);
 212       } else if (action->latency < min) {
 213         min = action->latency;
 214         DEBUG3("Updating min (latency) with %p (start %f): %f", action,
 215                action->generic_action.start, min);
 216       }
 217     }
 218   }
 219
 220   DEBUG1("min value : %f", min);
 221
 222   return min;
 223 }
 224
 225 static void update_actions_state(double now, double delta)
 226 {
 227   double deltap = 0.0;
 228   surf_action_workstation_L07_t action = NULL;
 229   surf_action_workstation_L07_t next_action = NULL;
 230   xbt_swag_t running_actions =
 231       surf_workstation_model->common_public->states.running_action_set;
 232
 233   xbt_swag_foreach_safe(action, next_action, running_actions) {
 234     deltap = delta;
 235     if (action->latency > 0) {
 236       if (action->latency > deltap) {
 237         double_update(&(action->latency), deltap);
 238         deltap = 0.0;
 239       } else {
 240         double_update(&(deltap), action->latency);
 241         action->latency = 0.0;
 242       }
 243       if ((action->latency == 0.0) && (action->suspended == 0)) {
 244         lmm_update_variable_weight(ptask_maxmin_system, action->variable, 1.0);
 245       }
 246     }
 247     DEBUG3("Action (%p) : remains (%g) updated by %g.",
 248            action, action->generic_action.remains,
 249            lmm_variable_getvalue(action->variable) * delta);
 250     double_update(&(action->generic_action.remains),
 251                   lmm_variable_getvalue(action->variable) * delta);
 252
 253     if (action->generic_action.max_duration != NO_MAX_DURATION)
 254       double_update(&(action->generic_action.max_duration), delta);
 255
 256     DEBUG2("Action (%p) : remains (%g).",
 257            action, action->generic_action.remains);
 258     if ((action->generic_action.remains <= 0) &&
 259         (lmm_get_variable_weight(action->variable) > 0)) {
 260       action->generic_action.finish = surf_get_clock();
 261       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 262     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 263                (action->generic_action.max_duration <= 0)) {
 264       action->generic_action.finish = surf_get_clock();
 265       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 266     } else {
 267       /* Need to check that none of the model has failed */
 268       lmm_constraint_t cnst = NULL;
 269       int i = 0;
 270       void *constraint_id = NULL;
 271
 272       while ((cnst =
 273               lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
 274                                     i++))) {
 275         constraint_id = lmm_constraint_id(cnst);
 276
 277 /*      if(((network_link_L07_t)constraint_id)->type== */
 278 /*         SURF_WORKSTATION_RESOURCE_LINK) { */
 279 /*        DEBUG2("Checking for link %s (%p)", */
 280 /*               ((network_link_L07_t)constraint_id)->name, */
 281 /*               ((network_link_L07_t)constraint_id)); */
 282 /*      } */
 283 /*      if(((cpu_L07_t)constraint_id)->type== */
 284 /*         SURF_WORKSTATION_RESOURCE_CPU) { */
 285 /*        DEBUG3("Checking for cpu %s (%p) : %s", */
 286 /*               ((cpu_L07_t)constraint_id)->name, */
 287 /*               ((cpu_L07_t)constraint_id), */
 288 /*               ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
 289 /*      } */
 290
 291         if (((((network_link_L07_t) constraint_id)->type ==
 292               SURF_WORKSTATION_RESOURCE_LINK) &&
 293              (((network_link_L07_t) constraint_id)->state_current ==
 294               SURF_NETWORK_LINK_OFF)) ||
 295             ((((cpu_L07_t) constraint_id)->type ==
 296               SURF_WORKSTATION_RESOURCE_CPU) &&
 297              (((cpu_L07_t) constraint_id)->state_current ==
 298               SURF_CPU_OFF))) {
 299           DEBUG1("Action (%p) Failed!!", action);
 300           action->generic_action.finish = surf_get_clock();
 301           surf_action_change_state((surf_action_t) action,
 302                                    SURF_ACTION_FAILED);
 303           break;
 304         }
 305       }
 306     }
 307   }
 308   return;
 309 }
 310
 311 static void update_resource_state(void *id,
 312                                   tmgr_trace_event_t event_type,
 313                                   double value)
 314 {
 315   cpu_L07_t cpu = id;
 316   network_link_L07_t nw_link = id;
 317
 318   if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 319     DEBUG2("Updating link %s (%p)", nw_link->name, nw_link);
 320     if (event_type == nw_link->bw_event) {
 321       nw_link->bw_current = value;
 322       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
 323                                   nw_link->bw_current);
 324     } else if (event_type == nw_link->state_event) {
 325       if (value > 0)
 326         nw_link->state_current = SURF_NETWORK_LINK_ON;
 327       else
 328         nw_link->state_current = SURF_NETWORK_LINK_OFF;
 329     } else {
 330       CRITICAL0("Unknown event ! \n");
 331       xbt_abort();
 332     }
 333     return;
 334   } else if (cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 335     DEBUG3("Updating cpu %s (%p) with value %g", cpu->name, cpu, value);
 336     if (event_type == cpu->power_event) {
 337       cpu->power_current = value;
 338       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
 339                                   cpu->power_current);
 340     } else if (event_type == cpu->state_event) {
 341       if (value > 0)
 342         cpu->state_current = SURF_CPU_ON;
 343       else
 344         cpu->state_current = SURF_CPU_OFF;
 345     } else {
 346       CRITICAL0("Unknown event ! \n");
 347       xbt_abort();
 348     }
 349     return;
 350   } else {
 351     DIE_IMPOSSIBLE;
 352   }
 353   return;
 354 }
 355
 356 static void finalize(void)
 357 {
 358   int i, j;
 359
 360   xbt_dict_free(&network_link_set);
 361   xbt_dict_free(&workstation_set);
 362   if (parallel_task_network_link_set != NULL) {
 363     xbt_dict_free(&parallel_task_network_link_set);
 364   }
 365   xbt_swag_free(surf_workstation_model->common_public->states.
 366                 ready_action_set);
 367   xbt_swag_free(surf_workstation_model->common_public->states.
 368                 running_action_set);
 369   xbt_swag_free(surf_workstation_model->common_public->states.
 370                 failed_action_set);
 371   xbt_swag_free(surf_workstation_model->common_public->states.
 372                 done_action_set);
 373
 374   free(surf_workstation_model->common_public);
 375   free(surf_workstation_model->common_private);
 376   free(surf_workstation_model->extension_public);
 377
 378   free(surf_workstation_model);
 379   surf_workstation_model = NULL;
 380
 381   for (i = 0; i < nb_workstation; i++)
 382     for (j = 0; j < nb_workstation; j++)
 383       free(ROUTE(i, j).links);
 384   free(routing_table);
 385   routing_table = NULL;
 386   nb_workstation = 0;
 387
 388   if (ptask_maxmin_system) {
 389     lmm_system_free(ptask_maxmin_system);
 390     ptask_maxmin_system = NULL;
 391   }
 392 }
 393
 394 /**************************************/
 395 /******* Resource Private    **********/
 396 /**************************************/
 397
 398 static e_surf_cpu_state_t resource_get_state(void *cpu)
 399 {
 400   return ((cpu_L07_t) cpu)->state_current;
 401 }
 402
 403 static double get_speed(void *cpu, double load)
 404 {
 405   return load * (((cpu_L07_t) cpu)->power_scale);
 406 }
 407
 408 static double get_available_speed(void *cpu)
 409 {
 410   return ((cpu_L07_t) cpu)->power_current;
 411 }
 412
 413 static surf_action_t execute_parallel_task(int workstation_nb,
 414                                            void **workstation_list,
 415                                            double *computation_amount,
 416                                            double *communication_amount,
 417                                            double amount, double rate)
 418 {
 419   surf_action_workstation_L07_t action = NULL;
 420   int i, j, k;
 421   int nb_link = 0;
 422   int nb_host = 0;
 423   double latency = 0.0;
 424
 425   if (parallel_task_network_link_set == NULL) {
 426     parallel_task_network_link_set =
 427         xbt_dict_new_ext(workstation_nb * workstation_nb * 10);
 428   }
 429
 430   /* Compute the number of affected resources... */
 431   for (i = 0; i < workstation_nb; i++) {
 432     for (j = 0; j < workstation_nb; j++) {
 433       cpu_L07_t card_src = workstation_list[i];
 434       cpu_L07_t card_dst = workstation_list[j];
 435       int route_size = ROUTE(card_src->id, card_dst->id).size;
 436       network_link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
 437       double lat = 0.0;
 438
 439       if (communication_amount[i * workstation_nb + j] > 0)
 440         for (k = 0; k < route_size; k++) {
 441           lat += route[k]->lat_current;
 442           xbt_dict_set(parallel_task_network_link_set, route[k]->name,
 443                        route[k], NULL);
 444         }
 445       latency=MAX(latency,lat);
 446     }
 447   }
 448
 449   nb_link = xbt_dict_length(parallel_task_network_link_set);
 450   xbt_dict_reset(parallel_task_network_link_set);
 451
 452   for (i = 0; i < workstation_nb; i++)
 453     if (computation_amount[i] > 0)
 454       nb_host++;
 455
 456   action = xbt_new0(s_surf_action_workstation_L07_t, 1);
 457   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
 458          action, workstation_nb, nb_link);
 459   action->generic_action.using = 1;
 460   action->generic_action.cost = amount;
 461   action->generic_action.remains = amount;
 462   action->generic_action.max_duration = NO_MAX_DURATION;
 463   action->generic_action.start = surf_get_clock();
 464   action->generic_action.finish = -1.0;
 465   action->generic_action.model_type =
 466       (surf_model_t) surf_workstation_model;
 467   action->suspended = 0;        /* Should be useless because of the
 468                                    calloc but it seems to help valgrind... */
 469   action->latency = latency;
 470   action->generic_action.state_set =
 471       surf_workstation_model->common_public->states.running_action_set;
 472
 473   xbt_swag_insert(action, action->generic_action.state_set);
 474   action->rate = rate;
 475
 476   if (action->rate > 0)
 477     action->variable =
 478         lmm_variable_new(ptask_maxmin_system, action, 1.0, -1.0,
 479                          workstation_nb + nb_link);
 480   else
 481     action->variable =
 482         lmm_variable_new(ptask_maxmin_system, action, 1.0, action->rate,
 483                          workstation_nb + nb_link);
 484
 485   if (action->latency > 0)
 486     lmm_update_variable_weight(ptask_maxmin_system,action->variable,0.0);
 487
 488   for (i = 0; i < workstation_nb; i++)
 489     lmm_expand(ptask_maxmin_system,
 490                ((cpu_L07_t) workstation_list[i])->constraint,
 491                action->variable, computation_amount[i]);
 492
 493   for (i = 0; i < workstation_nb; i++) {
 494     for (j = 0; j < workstation_nb; j++) {
 495       cpu_L07_t card_src = workstation_list[i];
 496       cpu_L07_t card_dst = workstation_list[j];
 497       int route_size = ROUTE(card_src->id, card_dst->id).size;
 498       network_link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
 499
 500       if (communication_amount[i * workstation_nb + j] == 0.0)
 501         continue;
 502       for (k = 0; k < route_size; k++) {
 503           lmm_expand_add(ptask_maxmin_system, route[k]->constraint,
 504                          action->variable,
 505                          communication_amount[i * workstation_nb + j]);
 506       }
 507     }
 508   }
 509
 510   if (nb_link + nb_host == 0) {
 511     action->generic_action.cost = 1.0;
 512     action->generic_action.remains = 0.0;
 513   }
 514
 515   return (surf_action_t) action;
 516 }
 517
 518 static surf_action_t execute(void *cpu, double size)
 519 {
 520   double val = 0.0;
 521
 522   return execute_parallel_task(1, &cpu, &size, &val, 1, -1);
 523 }
 524
 525 static surf_action_t communicate(void *src, void *dst, double size,
 526                                  double rate)
 527 {
 528   void **workstation_list = xbt_new0(void *, 2);
 529   double *computation_amount = xbt_new0(double, 2);
 530   double *communication_amount = xbt_new0(double, 4);
 531   surf_action_t res = NULL;
 532
 533   workstation_list[0] = src;
 534   workstation_list[1] = dst;
 535   communication_amount[1] = size;
 536
 537   res = execute_parallel_task(2, workstation_list,
 538                               computation_amount, communication_amount,
 539                               1, rate);
 540
 541   free(computation_amount);
 542   free(communication_amount);
 543   free(workstation_list);
 544
 545   return res;
 546 }
 547
 548 static surf_action_t action_sleep(void *cpu, double duration)
 549 {
 550   surf_action_workstation_L07_t action = NULL;
 551
 552   XBT_IN2("(%s,%g)", ((cpu_L07_t) cpu)->name, duration);
 553
 554   action = (surf_action_workstation_L07_t) execute(cpu, 1.0);
 555   action->generic_action.max_duration = duration;
 556   action->suspended = 2;
 557   lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 558
 559   XBT_OUT;
 560   return (surf_action_t) action;
 561 }
 562
 563 /* returns an array of network_link_L07_t */
 564 static const void **get_route(void *src, void *dst)
 565 {
 566   cpu_L07_t card_src = src;
 567   cpu_L07_t card_dst = dst;
 568   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
 569
 570   return (const void **) route->links;
 571 }
 572
 573 static int get_route_size(void *src, void *dst)
 574 {
 575   cpu_L07_t card_src = src;
 576   cpu_L07_t card_dst = dst;
 577   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
 578   return route->size;
 579 }
 580
 581 static const char *get_link_name(const void *link)
 582 {
 583   return ((network_link_L07_t) link)->name;
 584 }
 585
 586 static double get_link_bandwidth(const void *link)
 587 {
 588   return ((network_link_L07_t) link)->bw_current;
 589 }
 590
 591 static double get_link_latency(const void *link)
 592 {
 593   return ((network_link_L07_t) link)->lat_current;
 594 }
 595
 596 /**************************************/
 597 /*** Resource Creation & Destruction **/
 598 /**************************************/
 599
 600 static void cpu_free(void *cpu)
 601 {
 602   free(((cpu_L07_t) cpu)->name);
 603   free(cpu);
 604 }
 605
 606 static cpu_L07_t cpu_new(const char *name, double power_scale,
 607                          double power_initial,
 608                          tmgr_trace_t power_trace,
 609                          e_surf_cpu_state_t state_initial,
 610                          tmgr_trace_t state_trace)
 611 {
 612   cpu_L07_t cpu = xbt_new0(s_cpu_L07_t, 1);
 613
 614   cpu->model = (surf_model_t) surf_workstation_model;
 615   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 616   cpu->name = xbt_strdup(name);
 617   cpu->id = nb_workstation++;
 618
 619   cpu->power_scale = power_scale;
 620   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 621
 622   cpu->power_current = power_initial;
 623   if (power_trace)
 624     cpu->power_event =
 625         tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 626
 627   cpu->state_current = state_initial;
 628   if (state_trace)
 629     cpu->state_event =
 630         tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 631
 632   cpu->constraint =
 633       lmm_constraint_new(ptask_maxmin_system, cpu,
 634                          cpu->power_current * cpu->power_scale);
 635
 636   xbt_dict_set(workstation_set, name, cpu, cpu_free);
 637
 638   return cpu;
 639 }
 640
 641 static void parse_cpu(void)
 642 {
 643   double power_scale = 0.0;
 644   double power_initial = 0.0;
 645   tmgr_trace_t power_trace = NULL;
 646   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
 647   tmgr_trace_t state_trace = NULL;
 648
 649   surf_parse_get_double(&power_scale, A_surfxml_cpu_power);
 650   surf_parse_get_double(&power_initial, A_surfxml_cpu_availability);
 651   surf_parse_get_trace(&power_trace, A_surfxml_cpu_availability_file);
 652
 653   xbt_assert0((A_surfxml_cpu_state == A_surfxml_cpu_state_ON) ||
 654               (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF),
 655               "Invalid state");
 656   if (A_surfxml_cpu_state == A_surfxml_cpu_state_ON)
 657     state_initial = SURF_CPU_ON;
 658   if (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF)
 659     state_initial = SURF_CPU_OFF;
 660   surf_parse_get_trace(&state_trace, A_surfxml_cpu_state_file);
 661
 662   cpu_new(A_surfxml_cpu_name, power_scale, power_initial, power_trace,
 663           state_initial, state_trace);
 664 }
 665
 666 static void create_routing_table(void)
 667 {
 668   routing_table = xbt_new0(s_route_L07_t, nb_workstation * nb_workstation);
 669 }
 670
 671 static void network_link_free(void *nw_link)
 672 {
 673   free(((network_link_L07_t) nw_link)->name);
 674   free(nw_link);
 675 }
 676
 677 static network_link_L07_t network_link_new(char *name,
 678                                            double bw_initial,
 679                                            tmgr_trace_t bw_trace,
 680                                            double lat_initial,
 681                                            tmgr_trace_t lat_trace,
 682                                            e_surf_network_link_state_t
 683                                            state_initial,
 684                                            tmgr_trace_t state_trace,
 685                                            e_surf_network_link_sharing_policy_t
 686                                            policy)
 687 {
 688   network_link_L07_t nw_link = xbt_new0(s_network_link_L07_t, 1);
 689
 690
 691   nw_link->model = (surf_model_t) surf_workstation_model;
 692   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 693   nw_link->name = name;
 694   nw_link->bw_current = bw_initial;
 695   if (bw_trace)
 696     nw_link->bw_event =
 697         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 698   nw_link->state_current = state_initial;
 699   nw_link->lat_current = lat_initial;
 700   if (lat_trace)
 701     nw_link->lat_event =
 702         tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 703   if (state_trace)
 704     nw_link->state_event =
 705         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 706
 707   nw_link->constraint =
 708       lmm_constraint_new(ptask_maxmin_system, nw_link,
 709                          nw_link->bw_current);
 710
 711   if (policy == SURF_NETWORK_LINK_FATPIPE)
 712     lmm_constraint_shared(nw_link->constraint);
 713
 714   xbt_dict_set(network_link_set, name, nw_link, network_link_free);
 715
 716   return nw_link;
 717 }
 718
 719 static void parse_network_link(void)
 720 {
 721   char *name;
 722   double bw_initial;
 723   tmgr_trace_t bw_trace;
 724   double lat_initial;
 725   tmgr_trace_t lat_trace;
 726   e_surf_network_link_state_t state_initial = SURF_NETWORK_LINK_ON;
 727   e_surf_network_link_sharing_policy_t policy_initial =
 728       SURF_NETWORK_LINK_SHARED;
 729   tmgr_trace_t state_trace;
 730
 731   name = xbt_strdup(A_surfxml_network_link_name);
 732   surf_parse_get_double(&bw_initial, A_surfxml_network_link_bandwidth);
 733   surf_parse_get_trace(&bw_trace, A_surfxml_network_link_bandwidth_file);
 734   surf_parse_get_double(&lat_initial, A_surfxml_network_link_latency);
 735   surf_parse_get_trace(&lat_trace, A_surfxml_network_link_latency_file);
 736
 737   xbt_assert0((A_surfxml_network_link_state ==
 738                A_surfxml_network_link_state_ON)
 739               || (A_surfxml_network_link_state ==
 740                   A_surfxml_network_link_state_OFF), "Invalid state");
 741   if (A_surfxml_network_link_state == A_surfxml_network_link_state_ON)
 742     state_initial = SURF_NETWORK_LINK_ON;
 743   else if (A_surfxml_network_link_state ==
 744            A_surfxml_network_link_state_OFF)
 745     state_initial = SURF_NETWORK_LINK_OFF;
 746
 747   if (A_surfxml_network_link_sharing_policy ==
 748       A_surfxml_network_link_sharing_policy_SHARED)
 749     policy_initial = SURF_NETWORK_LINK_SHARED;
 750   else if (A_surfxml_network_link_sharing_policy ==
 751            A_surfxml_network_link_sharing_policy_FATPIPE)
 752     policy_initial = SURF_NETWORK_LINK_FATPIPE;
 753
 754   surf_parse_get_trace(&state_trace, A_surfxml_network_link_state_file);
 755
 756   network_link_new(name, bw_initial, bw_trace, lat_initial, lat_trace,
 757                    state_initial, state_trace, policy_initial);
 758 }
 759
 760 static void route_new(int src_id, int dst_id,
 761                       network_link_L07_t * link_list, int nb_link)
 762 {
 763   route_L07_t route = &(ROUTE(src_id, dst_id));
 764
 765   route->size = nb_link;
 766   route->links = link_list =
 767       xbt_realloc(link_list, sizeof(network_link_L07_t) * nb_link);
 768 }
 769
 770 static int nb_link;
 771 static int link_list_capacity;
 772 static network_link_L07_t *link_list = NULL;
 773 static int src_id = -1;
 774 static int dst_id = -1;
 775
 776 static void parse_route_set_endpoints(void)
 777 {
 778   cpu_L07_t cpu_tmp = NULL;
 779
 780   cpu_tmp = (cpu_L07_t) name_service(A_surfxml_route_src);
 781   xbt_assert1(cpu_tmp, "Invalid cpu %s", A_surfxml_route_src);
 782   if (cpu_tmp != NULL)
 783     src_id = cpu_tmp->id;
 784
 785   cpu_tmp = (cpu_L07_t) name_service(A_surfxml_route_dst);
 786   xbt_assert1(cpu_tmp, "Invalid cpu %s", A_surfxml_route_dst);
 787   if (cpu_tmp != NULL)
 788     dst_id = cpu_tmp->id;
 789
 790   nb_link = 0;
 791   link_list_capacity = 1;
 792   link_list = xbt_new(network_link_L07_t, link_list_capacity);
 793 }
 794
 795 static void parse_route_elem(void)
 796 {
 797   xbt_ex_t e;
 798   if (nb_link == link_list_capacity) {
 799     link_list_capacity *= 2;
 800     link_list =
 801         xbt_realloc(link_list,
 802                     (link_list_capacity) * sizeof(network_link_L07_t));
 803   }
 804   TRY {
 805     link_list[nb_link++] =
 806         xbt_dict_get(network_link_set, A_surfxml_route_element_name);
 807   }
 808   CATCH(e) {
 809     RETHROW1("Link %s not found (dict raised this exception: %s)",
 810              A_surfxml_route_element_name);
 811   }
 812 }
 813
 814 static void parse_route_set_route(void)
 815 {
 816   if (src_id != -1 && dst_id != -1)
 817     route_new(src_id, dst_id, link_list, nb_link);
 818 }
 819
 820 static void parse_file(const char *file)
 821 {
 822   int i;
 823
 824   /* Figuring out the cpus */
 825   surf_parse_reset_parser();
 826   ETag_surfxml_cpu_fun = parse_cpu;
 827   surf_parse_open(file);
 828   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 829   surf_parse_close();
 830
 831   create_routing_table();
 832
 833   /* Figuring out the network links */
 834   surf_parse_reset_parser();
 835   ETag_surfxml_network_link_fun = parse_network_link;
 836   surf_parse_open(file);
 837   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 838   surf_parse_close();
 839
 840   /* Building the routes */
 841   surf_parse_reset_parser();
 842   STag_surfxml_route_fun = parse_route_set_endpoints;
 843   ETag_surfxml_route_element_fun = parse_route_elem;
 844   ETag_surfxml_route_fun = parse_route_set_route;
 845   surf_parse_open(file);
 846   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 847   surf_parse_close();
 848
 849   /* Adding loopback if needed */
 850   for (i = 0; i < nb_workstation; i++)
 851     if (!ROUTE(i, i).size) {
 852       if (!loopback)
 853         loopback = network_link_new(xbt_strdup("__MSG_loopback__"),
 854                                     498000000, NULL, 0.000015, NULL,
 855                                     SURF_NETWORK_LINK_ON, NULL,
 856                                     SURF_NETWORK_LINK_FATPIPE);
 857
 858       ROUTE(i, i).size = 1;
 859       ROUTE(i, i).links = xbt_new0(network_link_L07_t, 1);
 860       ROUTE(i, i).links[0] = loopback;
 861     }
 862 }
 863
 864 /**************************************/
 865 /********* Module  creation ***********/
 866 /**************************************/
 867
 868 static void model_init_internal(void)
 869 {
 870   s_surf_action_t action;
 871
 872   surf_workstation_model = xbt_new0(s_surf_workstation_model_t, 1);
 873
 874   surf_workstation_model->common_private =
 875       xbt_new0(s_surf_model_private_t, 1);
 876   surf_workstation_model->common_public =
 877       xbt_new0(s_surf_model_public_t, 1);
 878   surf_workstation_model->extension_public =
 879       xbt_new0(s_surf_workstation_model_extension_public_t, 1);
 880
 881   surf_workstation_model->common_public->states.ready_action_set =
 882       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 883   surf_workstation_model->common_public->states.running_action_set =
 884       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 885   surf_workstation_model->common_public->states.failed_action_set =
 886       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 887   surf_workstation_model->common_public->states.done_action_set =
 888       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 889
 890   surf_workstation_model->common_public->name_service = name_service;
 891   surf_workstation_model->common_public->get_resource_name =
 892       get_resource_name;
 893   surf_workstation_model->common_public->action_get_state =
 894       surf_action_get_state;
 895   surf_workstation_model->common_public->action_get_start_time =
 896       surf_action_get_start_time;
 897   surf_workstation_model->common_public->action_get_finish_time =
 898       surf_action_get_finish_time;
 899   surf_workstation_model->common_public->action_use = action_use;
 900   surf_workstation_model->common_public->action_free = action_free;
 901   surf_workstation_model->common_public->action_cancel = action_cancel;
 902   surf_workstation_model->common_public->action_recycle =
 903       action_recycle;
 904   surf_workstation_model->common_public->action_change_state =
 905       surf_action_change_state;
 906   surf_workstation_model->common_public->action_set_data =
 907       surf_action_set_data;
 908   surf_workstation_model->common_public->suspend = action_suspend;
 909   surf_workstation_model->common_public->resume = action_resume;
 910   surf_workstation_model->common_public->is_suspended =
 911       action_is_suspended;
 912   surf_workstation_model->common_public->set_max_duration =
 913       action_set_max_duration;
 914   surf_workstation_model->common_public->set_priority =
 915       action_set_priority;
 916   surf_workstation_model->common_public->name = "Workstation ptask_L07";
 917
 918   surf_workstation_model->common_private->resource_used = resource_used;
 919   surf_workstation_model->common_private->share_resources =
 920       share_resources;
 921   surf_workstation_model->common_private->update_actions_state =
 922       update_actions_state;
 923   surf_workstation_model->common_private->update_resource_state =
 924       update_resource_state;
 925   surf_workstation_model->common_private->finalize = finalize;
 926
 927   surf_workstation_model->extension_public->execute = execute;
 928   surf_workstation_model->extension_public->sleep = action_sleep;
 929   surf_workstation_model->extension_public->get_state =
 930       resource_get_state;
 931   surf_workstation_model->extension_public->get_speed = get_speed;
 932   surf_workstation_model->extension_public->get_available_speed =
 933       get_available_speed;
 934   surf_workstation_model->extension_public->communicate = communicate;
 935   surf_workstation_model->extension_public->execute_parallel_task =
 936       execute_parallel_task;
 937   surf_workstation_model->extension_public->get_route = get_route;
 938   surf_workstation_model->extension_public->get_route_size =
 939       get_route_size;
 940   surf_workstation_model->extension_public->get_link_name =
 941       get_link_name;
 942   surf_workstation_model->extension_public->get_link_bandwidth =
 943       get_link_bandwidth;
 944   surf_workstation_model->extension_public->get_link_latency =
 945       get_link_latency;
 946
 947   workstation_set = xbt_dict_new();
 948   network_link_set = xbt_dict_new();
 949
 950   if (!ptask_maxmin_system)
 951     ptask_maxmin_system = lmm_system_new();
 952 }
 953
 954 /**************************************/
 955 /*************** Generic **************/
 956 /**************************************/
 957 void surf_workstation_model_init_ptask_L07(const char *filename)
 958 {
 959   xbt_assert0(!surf_cpu_model, "CPU model type already defined");
 960   xbt_assert0(!surf_network_model,
 961               "network model type already defined");
 962   model_init_internal();
 963   parse_file(filename);
 964   WARN0("This model does not take latency into account.");
 965
 966   update_model_description(surf_workstation_model_description,
 967                               surf_workstation_model_description_size,
 968                               "ptask_L07",
 969                               (surf_model_t) surf_workstation_model);
 970   xbt_dynar_push(model_list, &surf_workstation_model);
 971 }