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