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