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/str.h"
  10 #include "xbt/dict.h"
  11 #include "surf_private.h"
  12 /* extern lmm_system_t maxmin_system; */
  13
  14 typedef enum {
  15   SURF_WORKSTATION_RESOURCE_CPU,
  16   SURF_WORKSTATION_RESOURCE_LINK,
  17 } e_surf_workstation_model_type_t;
  18
  19 /**************************************/
  20 /********* cpu object *****************/
  21 /**************************************/
  22 typedef struct cpu_L07 {
  23   surf_model_t model;           /* Do not move this field: must match model_obj_t */
  24   xbt_dict_t properties;        /* Do not move this field: must match link_L07_t */
  25   e_surf_workstation_model_type_t type; /* Do not move this field: must match link_L07_t */
  26   char *name;                   /* Do not move this field: must match link_L07_t */
  27   lmm_constraint_t constraint;  /* Do not move this field: must match link_L07_t */
  28   double power_scale;
  29   double power_current;
  30   tmgr_trace_event_t power_event;
  31   e_surf_cpu_state_t state_current;
  32   tmgr_trace_event_t state_event;
  33   int id;                       /* cpu and network card are a single object... */
  34 } s_cpu_L07_t, *cpu_L07_t;
  35
  36 /**************************************/
  37 /*********** network object ***********/
  38 /**************************************/
  39
  40 typedef struct link_L07 {
  41   surf_model_t model;           /* Do not move this field: must match model_obj_t */
  42   xbt_dict_t properties;        /* Do not move this field: must match link_L07_t */
  43   e_surf_workstation_model_type_t type; /* Do not move this field: must match cpu_L07_t */
  44   char *name;                   /* Do not move this field: must match cpu_L07_t */
  45   lmm_constraint_t constraint;  /* Do not move this field: must match cpu_L07_t */
  46   double lat_current;
  47   tmgr_trace_event_t lat_event;
  48   double bw_current;
  49   tmgr_trace_event_t bw_event;
  50   e_surf_link_state_t state_current;
  51   tmgr_trace_event_t state_event;
  52 } s_link_L07_t, *link_L07_t;
  53
  54
  55 typedef struct s_route_L07 {
  56   link_L07_t *links;
  57   int size;
  58 } s_route_L07_t, *route_L07_t;
  59
  60 /**************************************/
  61 /*************** actions **************/
  62 /**************************************/
  63 typedef struct surf_action_workstation_L07 {
  64   s_surf_action_t generic_action;
  65   lmm_variable_t variable;
  66   int workstation_nb;
  67   cpu_L07_t *workstation_list;
  68   double *computation_amount;
  69   double *communication_amount;
  70   double latency;
  71   double rate;
  72   int suspended;
  73 } s_surf_action_workstation_L07_t, *surf_action_workstation_L07_t;
  74
  75
  76 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_workstation);
  77
  78 static int nb_workstation = 0;
  79 static s_route_L07_t *routing_table = NULL;
  80 #define ROUTE(i,j) routing_table[(i)+(j)*nb_workstation]
  81 static link_L07_t loopback = NULL;
  82 static xbt_dict_t parallel_task_link_set = NULL;
  83 lmm_system_t ptask_maxmin_system = NULL;
  84
  85
  86 static void update_action_bound(surf_action_workstation_L07_t action)
  87 {
  88   int workstation_nb = action->workstation_nb;
  89   double lat_current = 0.0;
  90   double lat_bound = -1.0;
  91   int i, j, k;
  92
  93   for (i = 0; i < workstation_nb; i++) {
  94     for (j = 0; j < workstation_nb; j++) {
  95       cpu_L07_t card_src = action->workstation_list[i];
  96       cpu_L07_t card_dst = action->workstation_list[j];
  97       int route_size = ROUTE(card_src->id, card_dst->id).size;
  98       link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
  99       double lat = 0.0;
 100
 101       if (action->communication_amount[i * workstation_nb + j] > 0) {
 102         for (k = 0; k < route_size; k++) {
 103           lat += route[k]->lat_current;
 104         }
 105         lat_current =
 106           MAX(lat_current,
 107               lat * action->communication_amount[i * workstation_nb + j]);
 108       }
 109     }
 110   }
 111   lat_bound = sg_tcp_gamma / (2.0 * lat_current);
 112   DEBUG2("action (%p) : lat_bound = %g", action, lat_bound);
 113   if ((action->latency == 0.0) && (action->suspended == 0)) {
 114     if (action->rate < 0)
 115       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 116                                 lat_bound);
 117     else
 118       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 119                                 min(action->rate, lat_bound));
 120   }
 121 }
 122
 123 /**************************************/
 124 /******* Resource Public     **********/
 125 /**************************************/
 126
 127 static void *name_service(const char *name)
 128 {
 129   return xbt_dict_get_or_null(workstation_set, name);
 130 }
 131
 132 static const char *get_resource_name(void *resource_id)
 133 {
 134   /* We can freely cast as a cpu_L07_t because it has the same
 135      prefix as link_L07_t. However, only cpu_L07_t
 136      will theoretically be given as an argument here. */
 137
 138   return ((cpu_L07_t) resource_id)->name;
 139 }
 140
 141 static xbt_dict_t get_properties(void *r)
 142 {
 143   /* We can freely cast as a cpu_L07_t since it has the same prefix than link_L07_t */
 144   return ((cpu_L07_t) r)->properties;
 145 }
 146
 147 /* action_get_state is inherited from the surf module */
 148
 149 static void action_use(surf_action_t action)
 150 {
 151   action->refcount++;
 152   return;
 153 }
 154
 155 static int action_free(surf_action_t action)
 156 {
 157   action->refcount--;
 158
 159   if (!action->refcount) {
 160     xbt_swag_remove(action, action->state_set);
 161     if (((surf_action_workstation_L07_t) action)->variable)
 162       lmm_variable_free(ptask_maxmin_system,
 163                         ((surf_action_workstation_L07_t) action)->variable);
 164     free(((surf_action_workstation_L07_t) action)->workstation_list);
 165     free(((surf_action_workstation_L07_t) action)->communication_amount);
 166     free(((surf_action_workstation_L07_t) action)->computation_amount);
 167     free(action);
 168     return 1;
 169   }
 170   return 0;
 171 }
 172
 173 static void action_cancel(surf_action_t action)
 174 {
 175   surf_action_change_state(action, SURF_ACTION_FAILED);
 176   return;
 177 }
 178
 179 static void action_recycle(surf_action_t action)
 180 {
 181   DIE_IMPOSSIBLE;
 182   return;
 183 }
 184
 185 /* action_change_state is inherited from the surf module */
 186 /* action_set_data is inherited from the surf module */
 187
 188 static void action_suspend(surf_action_t action)
 189 {
 190   XBT_IN1("(%p))", action);
 191   if (((surf_action_workstation_L07_t) action)->suspended != 2) {
 192     ((surf_action_workstation_L07_t) action)->suspended = 1;
 193     lmm_update_variable_weight(ptask_maxmin_system,
 194                                ((surf_action_workstation_L07_t)
 195                                 action)->variable, 0.0);
 196   }
 197   XBT_OUT;
 198 }
 199
 200 static void action_resume(surf_action_t action)
 201 {
 202   surf_action_workstation_L07_t act = (surf_action_workstation_L07_t) action;
 203
 204   XBT_IN1("(%p)", act);
 205   if (act->suspended != 2) {
 206     lmm_update_variable_weight(ptask_maxmin_system, act->variable, 1.0);
 207     act->suspended = 0;
 208   }
 209   XBT_OUT;
 210 }
 211
 212 static int action_is_suspended(surf_action_t action)
 213 {
 214   return (((surf_action_workstation_L07_t) action)->suspended == 1);
 215 }
 216
 217 static void action_set_max_duration(surf_action_t action, double duration)
 218 {                               /* FIXME: should inherit */
 219   XBT_IN2("(%p,%g)", action, duration);
 220   action->max_duration = duration;
 221   XBT_OUT;
 222 }
 223
 224
 225 static void action_set_priority(surf_action_t action, double priority)
 226 {                               /* FIXME: should inherit */
 227   XBT_IN2("(%p,%g)", action, priority);
 228   action->priority = priority;
 229   XBT_OUT;
 230 }
 231
 232 /**************************************/
 233 /******* Resource Private    **********/
 234 /**************************************/
 235
 236 static int resource_used(void *resource_id)
 237 {
 238   /* We can freely cast as a link_L07_t because it has
 239      the same prefix as cpu_L07_t */
 240   return lmm_constraint_used(ptask_maxmin_system,
 241                              ((link_L07_t) resource_id)->constraint);
 242
 243 }
 244
 245 static double share_resources(double now)
 246 {
 247   s_surf_action_workstation_L07_t s_action;
 248   surf_action_workstation_L07_t action = NULL;
 249
 250   xbt_swag_t running_actions =
 251     surf_workstation_model->common_public->states.running_action_set;
 252   double min = generic_maxmin_share_resources(running_actions,
 253                                               xbt_swag_offset(s_action,
 254                                                               variable),
 255                                               ptask_maxmin_system,
 256                                               bottleneck_solve);
 257
 258   xbt_swag_foreach(action, running_actions) {
 259     if (action->latency > 0) {
 260       if (min < 0) {
 261         min = action->latency;
 262         DEBUG3("Updating min (value) with %p (start %f): %f", action,
 263                action->generic_action.start, min);
 264       } else if (action->latency < min) {
 265         min = action->latency;
 266         DEBUG3("Updating min (latency) with %p (start %f): %f", action,
 267                action->generic_action.start, min);
 268       }
 269     }
 270   }
 271
 272   DEBUG1("min value : %f", min);
 273
 274   return min;
 275 }
 276
 277 static void update_actions_state(double now, double delta)
 278 {
 279   double deltap = 0.0;
 280   surf_action_workstation_L07_t action = NULL;
 281   surf_action_workstation_L07_t next_action = NULL;
 282   xbt_swag_t running_actions =
 283     surf_workstation_model->common_public->states.running_action_set;
 284
 285   xbt_swag_foreach_safe(action, next_action, running_actions) {
 286     deltap = delta;
 287     if (action->latency > 0) {
 288       if (action->latency > deltap) {
 289         double_update(&(action->latency), deltap);
 290         deltap = 0.0;
 291       } else {
 292         double_update(&(deltap), action->latency);
 293         action->latency = 0.0;
 294       }
 295       if ((action->latency == 0.0) && (action->suspended == 0)) {
 296         update_action_bound(action);
 297         lmm_update_variable_weight(ptask_maxmin_system, action->variable,
 298                                    1.0);
 299       }
 300     }
 301     DEBUG3("Action (%p) : remains (%g) updated by %g.",
 302            action, action->generic_action.remains,
 303            lmm_variable_getvalue(action->variable) * delta);
 304     double_update(&(action->generic_action.remains),
 305                   lmm_variable_getvalue(action->variable) * delta);
 306
 307     if (action->generic_action.max_duration != NO_MAX_DURATION)
 308       double_update(&(action->generic_action.max_duration), delta);
 309
 310     DEBUG2("Action (%p) : remains (%g).",
 311            action, action->generic_action.remains);
 312     if ((action->generic_action.remains <= 0) &&
 313         (lmm_get_variable_weight(action->variable) > 0)) {
 314       action->generic_action.finish = surf_get_clock();
 315       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 316     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 317                (action->generic_action.max_duration <= 0)) {
 318       action->generic_action.finish = surf_get_clock();
 319       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 320     } else {
 321       /* Need to check that none of the model has failed */
 322       lmm_constraint_t cnst = NULL;
 323       int i = 0;
 324       void *constraint_id = NULL;
 325
 326       while ((cnst =
 327               lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
 328                                     i++))) {
 329         constraint_id = lmm_constraint_id(cnst);
 330
 331 /*      if(((link_L07_t)constraint_id)->type== */
 332 /*         SURF_WORKSTATION_RESOURCE_LINK) { */
 333 /*        DEBUG2("Checking for link %s (%p)", */
 334 /*               ((link_L07_t)constraint_id)->name, */
 335 /*               ((link_L07_t)constraint_id)); */
 336 /*      } */
 337 /*      if(((cpu_L07_t)constraint_id)->type== */
 338 /*         SURF_WORKSTATION_RESOURCE_CPU) { */
 339 /*        DEBUG3("Checking for cpu %s (%p) : %s", */
 340 /*               ((cpu_L07_t)constraint_id)->name, */
 341 /*               ((cpu_L07_t)constraint_id), */
 342 /*               ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
 343 /*      } */
 344
 345         if (((((link_L07_t) constraint_id)->type ==
 346               SURF_WORKSTATION_RESOURCE_LINK) &&
 347              (((link_L07_t) constraint_id)->state_current ==
 348               SURF_LINK_OFF)) ||
 349             ((((cpu_L07_t) constraint_id)->type ==
 350               SURF_WORKSTATION_RESOURCE_CPU) &&
 351              (((cpu_L07_t) constraint_id)->state_current == SURF_CPU_OFF))) {
 352           DEBUG1("Action (%p) Failed!!", action);
 353           action->generic_action.finish = surf_get_clock();
 354           surf_action_change_state((surf_action_t) action,
 355                                    SURF_ACTION_FAILED);
 356           break;
 357         }
 358       }
 359     }
 360   }
 361   return;
 362 }
 363
 364 static void update_resource_state(void *id,
 365                                   tmgr_trace_event_t event_type,
 366                                   double value, double date)
 367 {
 368   cpu_L07_t cpu = id;
 369   link_L07_t nw_link = id;
 370
 371   if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 372     DEBUG2("Updating link %s (%p)", nw_link->name, nw_link);
 373     if (event_type == nw_link->bw_event) {
 374       nw_link->bw_current = value;
 375       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
 376                                   nw_link->bw_current);
 377     } else if (event_type == nw_link->lat_event) {
 378       lmm_variable_t var = NULL;
 379       surf_action_workstation_L07_t action = NULL;
 380       lmm_element_t elem = NULL;
 381
 382       nw_link->lat_current = value;
 383       while ((var = lmm_get_var_from_cnst
 384               (ptask_maxmin_system, nw_link->constraint, &elem))) {
 385
 386
 387         action = lmm_variable_id(var);
 388         update_action_bound(action);
 389       }
 390
 391     } else if (event_type == nw_link->state_event) {
 392       if (value > 0)
 393         nw_link->state_current = SURF_LINK_ON;
 394       else
 395         nw_link->state_current = SURF_LINK_OFF;
 396     } else {
 397       CRITICAL0("Unknown event ! \n");
 398       xbt_abort();
 399     }
 400     return;
 401   } else if (cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 402     DEBUG3("Updating cpu %s (%p) with value %g", cpu->name, cpu, value);
 403     if (event_type == cpu->power_event) {
 404       cpu->power_current = value;
 405       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
 406                                   cpu->power_current * cpu->power_scale);
 407     } else if (event_type == cpu->state_event) {
 408       if (value > 0)
 409         cpu->state_current = SURF_CPU_ON;
 410       else
 411         cpu->state_current = SURF_CPU_OFF;
 412     } else {
 413       CRITICAL0("Unknown event ! \n");
 414       xbt_abort();
 415     }
 416     return;
 417   } else {
 418     DIE_IMPOSSIBLE;
 419   }
 420   return;
 421 }
 422
 423 static void finalize(void)
 424 {
 425   int i, j;
 426
 427   xbt_dict_free(&link_set);
 428   xbt_dict_free(&workstation_set);
 429   if (parallel_task_link_set != NULL) {
 430     xbt_dict_free(&parallel_task_link_set);
 431   }
 432   xbt_swag_free(surf_workstation_model->common_public->
 433                 states.ready_action_set);
 434   xbt_swag_free(surf_workstation_model->common_public->
 435                 states.running_action_set);
 436   xbt_swag_free(surf_workstation_model->common_public->
 437                 states.failed_action_set);
 438   xbt_swag_free(surf_workstation_model->common_public->
 439                 states.done_action_set);
 440
 441   free(surf_workstation_model->common_public);
 442   free(surf_workstation_model->common_private);
 443   free(surf_workstation_model->extension_public);
 444
 445   free(surf_workstation_model);
 446   surf_workstation_model = NULL;
 447
 448   for (i = 0; i < nb_workstation; i++)
 449     for (j = 0; j < nb_workstation; j++)
 450       free(ROUTE(i, j).links);
 451   free(routing_table);
 452   routing_table = NULL;
 453   nb_workstation = 0;
 454
 455   if (ptask_maxmin_system) {
 456     lmm_system_free(ptask_maxmin_system);
 457     ptask_maxmin_system = NULL;
 458   }
 459 }
 460
 461 /**************************************/
 462 /******* Resource Private    **********/
 463 /**************************************/
 464
 465 static e_surf_cpu_state_t resource_get_state(void *cpu)
 466 {
 467   return ((cpu_L07_t) cpu)->state_current;
 468 }
 469
 470 static double get_speed(void *cpu, double load)
 471 {
 472   return load * (((cpu_L07_t) cpu)->power_scale);
 473 }
 474
 475 static double get_available_speed(void *cpu)
 476 {
 477   return ((cpu_L07_t) cpu)->power_current;
 478 }
 479
 480 static surf_action_t execute_parallel_task(int workstation_nb,
 481                                            void **workstation_list,
 482                                            double *computation_amount,
 483                                            double *communication_amount,
 484                                            double amount, double rate)
 485 {
 486   surf_action_workstation_L07_t action = NULL;
 487   int i, j, k;
 488   int nb_link = 0;
 489   int nb_host = 0;
 490   double latency = 0.0;
 491
 492   if (parallel_task_link_set == NULL)
 493     parallel_task_link_set = xbt_dict_new();
 494
 495   xbt_dict_reset(parallel_task_link_set);
 496
 497   /* Compute the number of affected resources... */
 498   for (i = 0; i < workstation_nb; i++) {
 499     for (j = 0; j < workstation_nb; j++) {
 500       cpu_L07_t card_src = workstation_list[i];
 501       cpu_L07_t card_dst = workstation_list[j];
 502       int route_size = ROUTE(card_src->id, card_dst->id).size;
 503       link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
 504       double lat = 0.0;
 505
 506       if (communication_amount[i * workstation_nb + j] > 0)
 507         for (k = 0; k < route_size; k++) {
 508           lat += route[k]->lat_current;
 509           xbt_dict_set(parallel_task_link_set, route[k]->name,
 510                        route[k], NULL);
 511         }
 512       latency = MAX(latency, lat);
 513     }
 514   }
 515
 516   nb_link = xbt_dict_length(parallel_task_link_set);
 517   xbt_dict_reset(parallel_task_link_set);
 518
 519   for (i = 0; i < workstation_nb; i++)
 520     if (computation_amount[i] > 0)
 521       nb_host++;
 522
 523   action = xbt_new0(s_surf_action_workstation_L07_t, 1);
 524   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
 525          action, workstation_nb, nb_link);
 526   action->generic_action.refcount = 1;
 527   action->generic_action.cost = amount;
 528   action->generic_action.remains = amount;
 529   action->generic_action.max_duration = NO_MAX_DURATION;
 530   action->generic_action.start = surf_get_clock();
 531   action->generic_action.finish = -1.0;
 532   action->generic_action.model_type = (surf_model_t) surf_workstation_model;
 533   action->suspended = 0;        /* Should be useless because of the
 534                                    calloc but it seems to help valgrind... */
 535   action->workstation_nb = workstation_nb;
 536   action->workstation_list = (cpu_L07_t *) workstation_list;
 537   action->computation_amount = computation_amount;
 538   action->communication_amount = communication_amount;
 539   action->latency = latency;
 540   action->generic_action.state_set =
 541     surf_workstation_model->common_public->states.running_action_set;
 542
 543   xbt_swag_insert(action, action->generic_action.state_set);
 544   action->rate = rate;
 545
 546   action->variable =
 547     lmm_variable_new(ptask_maxmin_system, action, 1.0,
 548                      (action->rate > 0) ? action->rate : -1.0,
 549                      workstation_nb + nb_link);
 550
 551   if (action->latency > 0)
 552     lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 553
 554   for (i = 0; i < workstation_nb; i++)
 555     lmm_expand(ptask_maxmin_system,
 556                ((cpu_L07_t) workstation_list[i])->constraint,
 557                action->variable, computation_amount[i]);
 558
 559   for (i = 0; i < workstation_nb; i++) {
 560     for (j = 0; j < workstation_nb; j++) {
 561       cpu_L07_t card_src = workstation_list[i];
 562       cpu_L07_t card_dst = workstation_list[j];
 563       int route_size = ROUTE(card_src->id, card_dst->id).size;
 564       link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
 565
 566       if (communication_amount[i * workstation_nb + j] == 0.0)
 567         continue;
 568       for (k = 0; k < route_size; k++) {
 569         lmm_expand_add(ptask_maxmin_system, route[k]->constraint,
 570                        action->variable,
 571                        communication_amount[i * workstation_nb + j]);
 572       }
 573     }
 574   }
 575
 576   if (nb_link + nb_host == 0) {
 577     action->generic_action.cost = 1.0;
 578     action->generic_action.remains = 0.0;
 579   }
 580
 581   return (surf_action_t) action;
 582 }
 583
 584 static surf_action_t execute(void *cpu, double size)
 585 {
 586   void **workstation_list = xbt_new0(void *, 1);
 587   double *computation_amount = xbt_new0(double, 1);
 588   double *communication_amount = xbt_new0(double, 1);
 589
 590   workstation_list[0] = cpu;
 591   communication_amount[0] = 0.0;
 592   computation_amount[0] = size;
 593
 594   return execute_parallel_task(1, workstation_list, computation_amount,
 595                                communication_amount, 1, -1);
 596 }
 597
 598 static surf_action_t communicate(void *src, void *dst, double size,
 599                                  double rate)
 600 {
 601   void **workstation_list = xbt_new0(void *, 2);
 602   double *computation_amount = xbt_new0(double, 2);
 603   double *communication_amount = xbt_new0(double, 4);
 604   surf_action_t res = NULL;
 605
 606   workstation_list[0] = src;
 607   workstation_list[1] = dst;
 608   communication_amount[1] = size;
 609
 610   res = execute_parallel_task(2, workstation_list,
 611                               computation_amount, communication_amount,
 612                               1, rate);
 613
 614   return res;
 615 }
 616
 617 static surf_action_t action_sleep(void *cpu, double duration)
 618 {
 619   surf_action_workstation_L07_t action = NULL;
 620
 621   XBT_IN2("(%s,%g)", ((cpu_L07_t) cpu)->name, duration);
 622
 623   action = (surf_action_workstation_L07_t) execute(cpu, 1.0);
 624   action->generic_action.max_duration = duration;
 625   action->suspended = 2;
 626   lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 627
 628   XBT_OUT;
 629   return (surf_action_t) action;
 630 }
 631
 632 /* returns an array of link_L07_t */
 633 static const void **get_route(void *src, void *dst)
 634 {
 635   cpu_L07_t card_src = src;
 636   cpu_L07_t card_dst = dst;
 637   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
 638
 639   return (const void **) route->links;
 640 }
 641
 642 static int get_route_size(void *src, void *dst)
 643 {
 644   cpu_L07_t card_src = src;
 645   cpu_L07_t card_dst = dst;
 646   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
 647   return route->size;
 648 }
 649
 650 static const char *get_link_name(const void *link)
 651 {
 652   return ((link_L07_t) link)->name;
 653 }
 654
 655 static double get_link_bandwidth(const void *link)
 656 {
 657   return ((link_L07_t) link)->bw_current;
 658 }
 659
 660 static double get_link_latency(const void *link)
 661 {
 662   return ((link_L07_t) link)->lat_current;
 663 }
 664
 665 static int link_shared(const void *link)
 666 {
 667   return lmm_constraint_is_shared(((link_L07_t) link)->constraint);
 668 }
 669
 670 /**************************************/
 671 /*** Resource Creation & Destruction **/
 672 /**************************************/
 673
 674 static void cpu_free(void *cpu)
 675 {
 676   free(((cpu_L07_t) cpu)->name);
 677   xbt_dict_free(&(((cpu_L07_t) cpu)->properties));
 678   free(cpu);
 679 }
 680
 681 static cpu_L07_t cpu_new(const char *name, double power_scale,
 682                          double power_initial,
 683                          tmgr_trace_t power_trace,
 684                          e_surf_cpu_state_t state_initial,
 685                          tmgr_trace_t state_trace, xbt_dict_t cpu_properties)
 686 {
 687   cpu_L07_t cpu = xbt_new0(s_cpu_L07_t, 1);
 688   xbt_assert1(!xbt_dict_get_or_null(workstation_set, name),
 689               "Host '%s' declared several times in the platform file.", name);
 690
 691   cpu->model = (surf_model_t) surf_workstation_model;
 692   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 693   cpu->name = xbt_strdup(name);
 694   cpu->id = nb_workstation++;
 695
 696   cpu->power_scale = power_scale;
 697   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 698
 699   cpu->power_current = power_initial;
 700   if (power_trace)
 701     cpu->power_event =
 702       tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 703
 704   cpu->state_current = state_initial;
 705   if (state_trace)
 706     cpu->state_event =
 707       tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 708
 709   cpu->constraint =
 710     lmm_constraint_new(ptask_maxmin_system, cpu,
 711                        cpu->power_current * cpu->power_scale);
 712
 713   /*add the property set */
 714   cpu->properties = current_property_set;
 715
 716   xbt_dict_set(workstation_set, name, cpu, cpu_free);
 717
 718   return cpu;
 719 }
 720
 721 static void create_routing_table(void)
 722 {
 723   routing_table = xbt_new0(s_route_L07_t, nb_workstation * nb_workstation);
 724 }
 725
 726 static void parse_cpu_init(void)
 727 {
 728   double power_scale = 0.0;
 729   double power_initial = 0.0;
 730   tmgr_trace_t power_trace = NULL;
 731   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
 732   tmgr_trace_t state_trace = NULL;
 733
 734   power_scale = get_cpu_power(A_surfxml_host_power);
 735   surf_parse_get_double(&power_initial, A_surfxml_host_availability);
 736   surf_parse_get_trace(&power_trace, A_surfxml_host_availability_file);
 737
 738   xbt_assert0((A_surfxml_host_state == A_surfxml_host_state_ON) ||
 739               (A_surfxml_host_state == A_surfxml_host_state_OFF),
 740               "Invalid state");
 741   if (A_surfxml_host_state == A_surfxml_host_state_ON)
 742     state_initial = SURF_CPU_ON;
 743   if (A_surfxml_host_state == A_surfxml_host_state_OFF)
 744     state_initial = SURF_CPU_OFF;
 745   surf_parse_get_trace(&state_trace, A_surfxml_host_state_file);
 746
 747   current_property_set = xbt_dict_new();
 748   cpu_new(A_surfxml_host_id, power_scale, power_initial, power_trace,
 749           state_initial, state_trace, current_property_set);
 750 }
 751
 752 static void link_free(void *nw_link)
 753 {
 754   free(((link_L07_t) nw_link)->name);
 755   xbt_dict_free(&(((link_L07_t) nw_link)->properties));
 756   free(nw_link);
 757 }
 758
 759 static link_L07_t link_new(char *name,
 760                            double bw_initial,
 761                            tmgr_trace_t bw_trace,
 762                            double lat_initial,
 763                            tmgr_trace_t lat_trace,
 764                            e_surf_link_state_t
 765                            state_initial,
 766                            tmgr_trace_t state_trace,
 767                            e_surf_link_sharing_policy_t
 768                            policy, xbt_dict_t properties)
 769 {
 770   link_L07_t nw_link = xbt_new0(s_link_L07_t, 1);
 771   xbt_assert1(!xbt_dict_get_or_null(link_set, name),
 772               "Link '%s' declared several times in the platform file.", name);
 773
 774   nw_link->model = (surf_model_t) surf_workstation_model;
 775   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 776   nw_link->name = name;
 777   nw_link->bw_current = bw_initial;
 778   if (bw_trace)
 779     nw_link->bw_event =
 780       tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 781   nw_link->state_current = state_initial;
 782   nw_link->lat_current = lat_initial;
 783   if (lat_trace)
 784     nw_link->lat_event =
 785       tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 786   if (state_trace)
 787     nw_link->state_event =
 788       tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 789
 790   nw_link->constraint =
 791     lmm_constraint_new(ptask_maxmin_system, nw_link, nw_link->bw_current);
 792
 793   if (policy == SURF_LINK_FATPIPE)
 794     lmm_constraint_shared(nw_link->constraint);
 795
 796   nw_link->properties = properties;
 797
 798   xbt_dict_set(link_set, name, nw_link, link_free);
 799
 800   return nw_link;
 801 }
 802
 803 static void parse_link_init(void)
 804 {
 805   char *name_link;
 806   double bw_initial;
 807   tmgr_trace_t bw_trace;
 808   double lat_initial;
 809   tmgr_trace_t lat_trace;
 810   e_surf_link_state_t state_initial_link = SURF_LINK_ON;
 811   e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
 812   tmgr_trace_t state_trace;
 813
 814   name_link = xbt_strdup(A_surfxml_link_id);
 815   surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
 816   surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file);
 817   surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
 818   surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file);
 819
 820   xbt_assert0((A_surfxml_link_state == A_surfxml_link_state_ON)
 821               || (A_surfxml_link_state ==
 822                   A_surfxml_link_state_OFF), "Invalid state");
 823   if (A_surfxml_link_state == A_surfxml_link_state_ON)
 824     state_initial_link = SURF_LINK_ON;
 825   else if (A_surfxml_link_state == A_surfxml_link_state_OFF)
 826     state_initial_link = SURF_LINK_OFF;
 827
 828   if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_SHARED)
 829     policy_initial_link = SURF_LINK_SHARED;
 830   else if (A_surfxml_link_sharing_policy ==
 831            A_surfxml_link_sharing_policy_FATPIPE)
 832     policy_initial_link = SURF_LINK_FATPIPE;
 833
 834   surf_parse_get_trace(&state_trace, A_surfxml_link_state_file);
 835
 836   current_property_set = xbt_dict_new();
 837   link_new(name_link, bw_initial, bw_trace, lat_initial, lat_trace,
 838            state_initial_link, state_trace, policy_initial_link,
 839            current_property_set);
 840 }
 841
 842 static void route_new(int src_id, int dst_id,
 843                       link_L07_t * link_list, int nb_link)
 844 {
 845   route_L07_t route = &(ROUTE(src_id, dst_id));
 846
 847   route->size = nb_link;
 848   route->links = link_list =
 849     xbt_realloc(link_list, sizeof(link_L07_t) * nb_link);
 850 }
 851
 852
 853 static int src_id = -1;
 854 static int dst_id = -1;
 855
 856 static void parse_route_set_endpoints(void)
 857 {
 858   cpu_L07_t cpu_tmp = NULL;
 859
 860   cpu_tmp = (cpu_L07_t) name_service(A_surfxml_route_src);
 861   xbt_assert1(cpu_tmp, "Invalid cpu %s", A_surfxml_route_src);
 862   if (cpu_tmp != NULL)
 863     src_id = cpu_tmp->id;
 864
 865   cpu_tmp = (cpu_L07_t) name_service(A_surfxml_route_dst);
 866   xbt_assert1(cpu_tmp, "Invalid cpu %s", A_surfxml_route_dst);
 867   if (cpu_tmp != NULL)
 868     dst_id = cpu_tmp->id;
 869
 870   route_action = A_surfxml_route_action;
 871 }
 872
 873 static void parse_route_set_route(void)
 874 {
 875   char *name;
 876   if (src_id != -1 && dst_id != -1) {
 877     name = bprintf("%x#%x", src_id, dst_id);
 878     manage_route(route_table, name, route_action, 0);
 879     free(name);
 880   }
 881 }
 882
 883 static void add_loopback(void)
 884 {
 885   int i;
 886
 887   /* Adding loopback if needed */
 888   for (i = 0; i < nb_workstation; i++)
 889     if (!ROUTE(i, i).size) {
 890       if (!loopback)
 891         loopback = link_new(xbt_strdup("__MSG_loopback__"),
 892                             498000000, NULL, 0.000015, NULL,
 893                             SURF_LINK_ON, NULL, SURF_LINK_FATPIPE, NULL);
 894
 895       ROUTE(i, i).size = 1;
 896       ROUTE(i, i).links = xbt_new0(link_L07_t, 1);
 897       ROUTE(i, i).links[0] = loopback;
 898     }
 899 }
 900
 901 static void add_route(void)
 902 {
 903   xbt_ex_t e;
 904   int nb_link = 0;
 905   unsigned int cpt = 0;
 906   int link_list_capacity = 0;
 907   link_L07_t *link_list = NULL;
 908   xbt_dict_cursor_t cursor = NULL;
 909   char *key, *data, *end;
 910   const char *sep = "#";
 911   xbt_dynar_t links, keys;
 912   char *link = NULL;
 913
 914   if (routing_table == NULL)
 915     create_routing_table();
 916
 917   xbt_dict_foreach(route_table, cursor, key, data) {
 918     nb_link = 0;
 919     links = (xbt_dynar_t) data;
 920     keys = xbt_str_split_str(key, sep);
 921
 922     src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 16);
 923     dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16);
 924
 925     link_list_capacity = xbt_dynar_length(links);
 926     link_list = xbt_new(link_L07_t, link_list_capacity);
 927
 928
 929     xbt_dynar_foreach(links, cpt, link) {
 930       TRY {
 931         link_list[nb_link++] = xbt_dict_get(link_set, link);
 932       }
 933       CATCH(e) {
 934         RETHROW1("Link %s not found (dict raised this exception: %s)", link);
 935       }
 936     }
 937     route_new(src_id, dst_id, link_list, nb_link);
 938   }
 939 }
 940
 941 static void add_traces(void)
 942 {
 943   xbt_dict_cursor_t cursor = NULL;
 944   char *trace_name, *elm;
 945
 946   if (!trace_connect_list_host_avail)
 947     return;
 948
 949   /* Connect traces relative to cpu */
 950   xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
 951     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 952     cpu_L07_t host = xbt_dict_get_or_null(workstation_set, elm);
 953
 954     xbt_assert1(host, "Host %s undefined", elm);
 955     xbt_assert1(trace, "Trace %s undefined", trace_name);
 956
 957     host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 958   }
 959
 960   xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
 961     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 962     cpu_L07_t host = xbt_dict_get_or_null(workstation_set, elm);
 963
 964     xbt_assert1(host, "Host %s undefined", elm);
 965     xbt_assert1(trace, "Trace %s undefined", trace_name);
 966
 967     host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 968   }
 969
 970   /* Connect traces relative to network */
 971   xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
 972     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 973     link_L07_t link = xbt_dict_get_or_null(link_set, elm);
 974
 975     xbt_assert1(link, "Link %s undefined", elm);
 976     xbt_assert1(trace, "Trace %s undefined", trace_name);
 977
 978     link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 979   }
 980
 981   xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
 982     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 983     link_L07_t link = xbt_dict_get_or_null(link_set, elm);
 984
 985     xbt_assert1(link, "Link %s undefined", elm);
 986     xbt_assert1(trace, "Trace %s undefined", trace_name);
 987
 988     link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 989   }
 990
 991   xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
 992     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 993     link_L07_t link = xbt_dict_get_or_null(link_set, elm);
 994
 995     xbt_assert1(link, "Link %s undefined", elm);
 996     xbt_assert1(trace, "Trace %s undefined", trace_name);
 997
 998     link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 999   }
1000 /*
1001
1002    xbt_dynar_foreach (traces_connect_list, cpt, value) {
1003      trace_connect = xbt_str_split_str(value, "#");
1004      trace_id        = xbt_dynar_get_as(trace_connect, 0, char*);
1005      connect_element = atoi(xbt_dynar_get_as(trace_connect, 1, char*));
1006      connect_kind    = atoi(xbt_dynar_get_as(trace_connect, 2, char*));
1007      connector_id    = xbt_dynar_get_as(trace_connect, 3, char*);
1008
1009      xbt_assert1((trace = xbt_dict_get_or_null(traces_set_list, trace_id)), "Trace %s undefined", trace_id);
1010
1011      if (connect_element == A_surfxml_trace_c_connect_element_HOST) {
1012         xbt_assert1((host = xbt_dict_get_or_null(workstation_set, connector_id)), "Host %s undefined", connector_id);
1013         switch (connect_kind) {
1014            case A_surfxml_trace_c_connect_kind_AVAILABILITY: host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host); break;
1015            case A_surfxml_trace_c_connect_kind_POWER: host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host); break;
1016         }
1017      }
1018      else {
1019         xbt_assert1((link = xbt_dict_get_or_null(link_set, connector_id)), "Link %s undefined", connector_id);
1020         switch (connect_kind) {
1021            case A_surfxml_trace_c_connect_kind_AVAILABILITY: link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
1022            case A_surfxml_trace_c_connect_kind_BANDWIDTH: link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
1023            case A_surfxml_trace_c_connect_kind_LATENCY: link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
1024         }
1025      }
1026    }
1027 */
1028 }
1029
1030 static void define_callbacks(const char *file)
1031 {
1032   /* Adding callback functions */
1033   surf_parse_reset_parser();
1034   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_cpu_init);
1035   surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init);
1036   surfxml_add_callback(STag_surfxml_route_cb_list,
1037                        &parse_route_set_endpoints);
1038   surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route);
1039   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_route);
1040   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_loopback);
1041   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces);
1042 }
1043
1044
1045 /**************************************/
1046 /********* Module  creation ***********/
1047 /**************************************/
1048
1049 static void model_init_internal(void)
1050 {
1051   s_surf_action_t action;
1052
1053   surf_workstation_model = xbt_new0(s_surf_workstation_model_t, 1);
1054
1055   surf_workstation_model->common_private =
1056     xbt_new0(s_surf_model_private_t, 1);
1057   surf_workstation_model->common_public = xbt_new0(s_surf_model_public_t, 1);
1058   surf_workstation_model->extension_public =
1059     xbt_new0(s_surf_workstation_model_extension_public_t, 1);
1060
1061   surf_workstation_model->common_public->states.ready_action_set =
1062     xbt_swag_new(xbt_swag_offset(action, state_hookup));
1063   surf_workstation_model->common_public->states.running_action_set =
1064     xbt_swag_new(xbt_swag_offset(action, state_hookup));
1065   surf_workstation_model->common_public->states.failed_action_set =
1066     xbt_swag_new(xbt_swag_offset(action, state_hookup));
1067   surf_workstation_model->common_public->states.done_action_set =
1068     xbt_swag_new(xbt_swag_offset(action, state_hookup));
1069
1070   surf_workstation_model->common_public->name_service = name_service;
1071   surf_workstation_model->common_public->get_resource_name =
1072     get_resource_name;
1073   surf_workstation_model->common_public->action_get_state =
1074     surf_action_get_state;
1075   surf_workstation_model->common_public->action_get_start_time =
1076     surf_action_get_start_time;
1077   surf_workstation_model->common_public->action_get_finish_time =
1078     surf_action_get_finish_time;
1079   surf_workstation_model->common_public->action_use = action_use;
1080   surf_workstation_model->common_public->action_free = action_free;
1081   surf_workstation_model->common_public->action_cancel = action_cancel;
1082   surf_workstation_model->common_public->action_recycle = action_recycle;
1083   surf_workstation_model->common_public->action_change_state =
1084     surf_action_change_state;
1085   surf_workstation_model->common_public->action_set_data =
1086     surf_action_set_data;
1087   surf_workstation_model->common_public->suspend = action_suspend;
1088   surf_workstation_model->common_public->resume = action_resume;
1089   surf_workstation_model->common_public->is_suspended = action_is_suspended;
1090   surf_workstation_model->common_public->set_max_duration =
1091     action_set_max_duration;
1092   surf_workstation_model->common_public->set_priority = action_set_priority;
1093   surf_workstation_model->common_public->name = "Workstation ptask_L07";
1094
1095   surf_workstation_model->common_private->resource_used = resource_used;
1096   surf_workstation_model->common_private->share_resources = share_resources;
1097   surf_workstation_model->common_private->update_actions_state =
1098     update_actions_state;
1099   surf_workstation_model->common_private->update_resource_state =
1100     update_resource_state;
1101   surf_workstation_model->common_private->finalize = finalize;
1102
1103   surf_workstation_model->extension_public->execute = execute;
1104   surf_workstation_model->extension_public->sleep = action_sleep;
1105   surf_workstation_model->extension_public->get_state = resource_get_state;
1106   surf_workstation_model->extension_public->get_speed = get_speed;
1107   surf_workstation_model->extension_public->get_available_speed =
1108     get_available_speed;
1109   surf_workstation_model->extension_public->communicate = communicate;
1110   surf_workstation_model->extension_public->execute_parallel_task =
1111     execute_parallel_task;
1112   surf_workstation_model->extension_public->get_route = get_route;
1113   surf_workstation_model->extension_public->get_route_size = get_route_size;
1114   surf_workstation_model->extension_public->get_link_name = get_link_name;
1115   surf_workstation_model->extension_public->get_link_bandwidth =
1116     get_link_bandwidth;
1117   surf_workstation_model->extension_public->get_link_latency =
1118     get_link_latency;
1119   surf_workstation_model->extension_public->link_shared = link_shared;
1120
1121   surf_workstation_model->common_public->get_properties = get_properties;
1122
1123   workstation_set = xbt_dict_new();
1124   link_set = xbt_dict_new();
1125
1126   if (!ptask_maxmin_system)
1127     ptask_maxmin_system = lmm_system_new();
1128 }
1129
1130 /**************************************/
1131 /*************** Generic **************/
1132 /**************************************/
1133 void surf_workstation_model_init_ptask_L07(const char *filename)
1134 {
1135   xbt_assert0(!surf_cpu_model, "CPU model type already defined");
1136   xbt_assert0(!surf_network_model, "network model type already defined");
1137   model_init_internal();
1138   define_callbacks(filename);
1139
1140   update_model_description(surf_workstation_model_description,
1141                            "ptask_L07",
1142                            (surf_model_t) surf_workstation_model);
1143   xbt_dynar_push(model_list, &surf_workstation_model);
1144 }