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