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   e_surf_workstation_model_type_t type; /* Do not move this field: must match link_L07_t */
  24   lmm_constraint_t constraint;  /* Do not move this field: must match link_L07_t */
  25   double power_scale;
  26   double power_current;
  27   tmgr_trace_event_t power_event;
  28   e_surf_resource_state_t state_current;
  29   tmgr_trace_event_t state_event;
  30   int id;                       /* cpu and network card are a single object... */
  31 } s_cpu_L07_t, *cpu_L07_t;
  32
  33 /**************************************/
  34 /*********** network object ***********/
  35 /**************************************/
  36
  37 typedef struct link_L07 {
  38   s_surf_resource_t generic_resource;   /* Do not move this field: must match surf_resource_t */
  39   e_surf_workstation_model_type_t type; /* Do not move this field: must match cpu_L07_t */
  40   lmm_constraint_t constraint;  /* Do not move this field: must match cpu_L07_t */
  41   double lat_current;
  42   tmgr_trace_event_t lat_event;
  43   double bw_current;
  44   tmgr_trace_event_t bw_event;
  45   e_surf_resource_state_t state_current;
  46   tmgr_trace_event_t state_event;
  47 } s_link_L07_t, *link_L07_t;
  48
  49 /**************************************/
  50 /*************** actions **************/
  51 /**************************************/
  52 typedef struct surf_action_workstation_L07 {
  53   s_surf_action_t generic_action;
  54   lmm_variable_t variable;
  55   int workstation_nb;
  56   cpu_L07_t *workstation_list;
  57   double *computation_amount;
  58   double *communication_amount;
  59   double latency;
  60   double rate;
  61   int suspended;
  62 } s_surf_action_workstation_L07_t, *surf_action_workstation_L07_t;
  63
  64
  65 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_workstation);
  66
  67 static int host_count = 0;
  68 static xbt_dict_t parallel_task_link_set = NULL;
  69 lmm_system_t ptask_maxmin_system = NULL;
  70
  71
  72 static void update_action_bound(surf_action_workstation_L07_t action)
  73 {
  74   int workstation_nb = action->workstation_nb;
  75   double lat_current = 0.0;
  76   double lat_bound = -1.0;
  77   int i, j;
  78   unsigned int cpt;
  79   link_L07_t link;
  80
  81   for (i = 0; i < workstation_nb; i++) {
  82     for (j = 0; j < workstation_nb; j++) {
  83       cpu_L07_t card_src = action->workstation_list[i];
  84       cpu_L07_t card_dst = action->workstation_list[j];
  85       xbt_dynar_t route = used_routing->get_route(card_src->id, card_dst->id);
  86       double lat = 0.0;
  87
  88       if (action->communication_amount[i * workstation_nb + j] > 0) {
  89         xbt_dynar_foreach(route, cpt, link) {
  90           lat += link->lat_current;
  91         }
  92         lat_current =
  93           MAX(lat_current,
  94               lat * action->communication_amount[i * workstation_nb + j]);
  95       }
  96     }
  97   }
  98   lat_bound = sg_tcp_gamma / (2.0 * lat_current);
  99   DEBUG2("action (%p) : lat_bound = %g", action, lat_bound);
 100   if ((action->latency == 0.0) && (action->suspended == 0)) {
 101     if (action->rate < 0)
 102       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 103                                 lat_bound);
 104     else
 105       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 106                                 min(action->rate, lat_bound));
 107   }
 108 }
 109
 110 /**************************************/
 111 /******* Resource Public     **********/
 112 /**************************************/
 113
 114 static int action_unref(surf_action_t action)
 115 {
 116   action->refcount--;
 117
 118   if (!action->refcount) {
 119     xbt_swag_remove(action, action->state_set);
 120     if (((surf_action_workstation_L07_t) action)->variable)
 121       lmm_variable_free(ptask_maxmin_system,
 122                         ((surf_action_workstation_L07_t) action)->variable);
 123     free(((surf_action_workstation_L07_t) action)->workstation_list);
 124     free(((surf_action_workstation_L07_t) action)->communication_amount);
 125     free(((surf_action_workstation_L07_t) action)->computation_amount);
 126     free(action);
 127     return 1;
 128   }
 129   return 0;
 130 }
 131
 132 static void action_cancel(surf_action_t action)
 133 {
 134   surf_action_state_set(action, SURF_ACTION_FAILED);
 135   return;
 136 }
 137
 138 /* action_change_state is inherited from the surf module */
 139 /* action_set_data is inherited from the surf module */
 140
 141 static void action_suspend(surf_action_t action)
 142 {
 143   XBT_IN1("(%p))", action);
 144   if (((surf_action_workstation_L07_t) action)->suspended != 2) {
 145     ((surf_action_workstation_L07_t) action)->suspended = 1;
 146     lmm_update_variable_weight(ptask_maxmin_system,
 147                                ((surf_action_workstation_L07_t)
 148                                 action)->variable, 0.0);
 149   }
 150   XBT_OUT;
 151 }
 152
 153 static void action_resume(surf_action_t action)
 154 {
 155   surf_action_workstation_L07_t act = (surf_action_workstation_L07_t) action;
 156
 157   XBT_IN1("(%p)", act);
 158   if (act->suspended != 2) {
 159     lmm_update_variable_weight(ptask_maxmin_system, act->variable, 1.0);
 160     act->suspended = 0;
 161   }
 162   XBT_OUT;
 163 }
 164
 165 static int action_is_suspended(surf_action_t action)
 166 {
 167   return (((surf_action_workstation_L07_t) action)->suspended == 1);
 168 }
 169
 170 static void action_set_max_duration(surf_action_t action, double duration)
 171 {                               /* FIXME: should inherit */
 172   XBT_IN2("(%p,%g)", action, duration);
 173   action->max_duration = duration;
 174   XBT_OUT;
 175 }
 176
 177
 178 static void action_set_priority(surf_action_t action, double priority)
 179 {                               /* FIXME: should inherit */
 180   XBT_IN2("(%p,%g)", action, priority);
 181   action->priority = priority;
 182   XBT_OUT;
 183 }
 184
 185 static double action_get_remains(surf_action_t action)
 186 {
 187   XBT_IN1("(%p)", action);
 188   return action->remains;
 189   XBT_OUT;
 190 }
 191
 192 /**************************************/
 193 /******* Resource Private    **********/
 194 /**************************************/
 195
 196 static int resource_used(void *resource_id)
 197 {
 198   /* We can freely cast as a link_L07_t because it has
 199      the same prefix as cpu_L07_t */
 200   return lmm_constraint_used(ptask_maxmin_system,
 201                              ((link_L07_t) resource_id)->constraint);
 202
 203 }
 204
 205 static double share_resources(double now)
 206 {
 207   s_surf_action_workstation_L07_t s_action;
 208   surf_action_workstation_L07_t action = NULL;
 209
 210   xbt_swag_t running_actions =
 211     surf_workstation_model->states.running_action_set;
 212   double min = generic_maxmin_share_resources(running_actions,
 213                                               xbt_swag_offset(s_action,
 214                                                               variable),
 215                                               ptask_maxmin_system,
 216                                               bottleneck_solve);
 217
 218   xbt_swag_foreach(action, running_actions) {
 219     if (action->latency > 0) {
 220       if (min < 0) {
 221         min = action->latency;
 222         DEBUG3("Updating min (value) with %p (start %f): %f", action,
 223                action->generic_action.start, min);
 224       } else if (action->latency < min) {
 225         min = action->latency;
 226         DEBUG3("Updating min (latency) with %p (start %f): %f", action,
 227                action->generic_action.start, min);
 228       }
 229     }
 230   }
 231
 232   DEBUG1("min value : %f", min);
 233
 234   return min;
 235 }
 236
 237 static void update_actions_state(double now, double delta)
 238 {
 239   double deltap = 0.0;
 240   surf_action_workstation_L07_t action = NULL;
 241   surf_action_workstation_L07_t next_action = NULL;
 242   xbt_swag_t running_actions =
 243     surf_workstation_model->states.running_action_set;
 244
 245   xbt_swag_foreach_safe(action, next_action, running_actions) {
 246     deltap = delta;
 247     if (action->latency > 0) {
 248       if (action->latency > deltap) {
 249         double_update(&(action->latency), deltap);
 250         deltap = 0.0;
 251       } else {
 252         double_update(&(deltap), action->latency);
 253         action->latency = 0.0;
 254       }
 255       if ((action->latency == 0.0) && (action->suspended == 0)) {
 256         update_action_bound(action);
 257         lmm_update_variable_weight(ptask_maxmin_system, action->variable,
 258                                    1.0);
 259       }
 260     }
 261     DEBUG3("Action (%p) : remains (%g) updated by %g.",
 262            action, action->generic_action.remains,
 263            lmm_variable_getvalue(action->variable) * delta);
 264     double_update(&(action->generic_action.remains),
 265                   lmm_variable_getvalue(action->variable) * delta);
 266
 267     if (action->generic_action.max_duration != NO_MAX_DURATION)
 268       double_update(&(action->generic_action.max_duration), delta);
 269
 270     DEBUG2("Action (%p) : remains (%g).",
 271            action, action->generic_action.remains);
 272     if ((action->generic_action.remains <= 0) &&
 273         (lmm_get_variable_weight(action->variable) > 0)) {
 274       action->generic_action.finish = surf_get_clock();
 275       surf_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 276     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 277                (action->generic_action.max_duration <= 0)) {
 278       action->generic_action.finish = surf_get_clock();
 279       surf_action_state_set((surf_action_t) action, SURF_ACTION_DONE);
 280     } else {
 281       /* Need to check that none of the model has failed */
 282       lmm_constraint_t cnst = NULL;
 283       int i = 0;
 284       void *constraint_id = NULL;
 285
 286       while ((cnst =
 287               lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
 288                                     i++))) {
 289         constraint_id = lmm_constraint_id(cnst);
 290
 291 /*      if(((link_L07_t)constraint_id)->type== */
 292 /*         SURF_WORKSTATION_RESOURCE_LINK) { */
 293 /*        DEBUG2("Checking for link %s (%p)", */
 294 /*               ((link_L07_t)constraint_id)->name, */
 295 /*               ((link_L07_t)constraint_id)); */
 296 /*      } */
 297 /*      if(((cpu_L07_t)constraint_id)->type== */
 298 /*         SURF_WORKSTATION_RESOURCE_CPU) { */
 299 /*        DEBUG3("Checking for cpu %s (%p) : %s", */
 300 /*               ((cpu_L07_t)constraint_id)->name, */
 301 /*               ((cpu_L07_t)constraint_id), */
 302 /*               ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
 303 /*      } */
 304
 305         if (((((link_L07_t) constraint_id)->type ==
 306               SURF_WORKSTATION_RESOURCE_LINK) &&
 307              (((link_L07_t) constraint_id)->state_current ==
 308               SURF_RESOURCE_OFF)) ||
 309             ((((cpu_L07_t) constraint_id)->type ==
 310               SURF_WORKSTATION_RESOURCE_CPU) &&
 311              (((cpu_L07_t) constraint_id)->state_current ==
 312               SURF_RESOURCE_OFF))) {
 313           DEBUG1("Action (%p) Failed!!", action);
 314           action->generic_action.finish = surf_get_clock();
 315           surf_action_state_set((surf_action_t) action, SURF_ACTION_FAILED);
 316           break;
 317         }
 318       }
 319     }
 320   }
 321   return;
 322 }
 323
 324 static void update_resource_state(void *id,
 325                                   tmgr_trace_event_t event_type,
 326                                   double value, double date)
 327 {
 328   cpu_L07_t cpu = id;
 329   link_L07_t nw_link = id;
 330
 331   if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 332     DEBUG2("Updating link %s (%p)", surf_resource_name(nw_link), nw_link);
 333     if (event_type == nw_link->bw_event) {
 334       nw_link->bw_current = value;
 335       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
 336                                   nw_link->bw_current);
 337       if (tmgr_trace_event_free(event_type))
 338         nw_link->bw_event = NULL;
 339     } else if (event_type == nw_link->lat_event) {
 340       lmm_variable_t var = NULL;
 341       surf_action_workstation_L07_t action = NULL;
 342       lmm_element_t elem = NULL;
 343
 344       nw_link->lat_current = value;
 345       while ((var = lmm_get_var_from_cnst
 346               (ptask_maxmin_system, nw_link->constraint, &elem))) {
 347
 348
 349         action = lmm_variable_id(var);
 350         update_action_bound(action);
 351       }
 352       if (tmgr_trace_event_free(event_type))
 353         nw_link->lat_event = NULL;
 354
 355     } else if (event_type == nw_link->state_event) {
 356       if (value > 0)
 357         nw_link->state_current = SURF_RESOURCE_ON;
 358       else
 359         nw_link->state_current = SURF_RESOURCE_OFF;
 360       if (tmgr_trace_event_free(event_type))
 361         nw_link->state_event = NULL;
 362     } else {
 363       CRITICAL0("Unknown event ! \n");
 364       xbt_abort();
 365     }
 366     return;
 367   } else if (cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 368     DEBUG3("Updating cpu %s (%p) with value %g", surf_resource_name(cpu), cpu,
 369            value);
 370     if (event_type == cpu->power_event) {
 371       cpu->power_current = value;
 372       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
 373                                   cpu->power_current * cpu->power_scale);
 374       if (tmgr_trace_event_free(event_type))
 375         cpu->power_event = NULL;
 376     } else if (event_type == cpu->state_event) {
 377       if (value > 0)
 378         cpu->state_current = SURF_RESOURCE_ON;
 379       else
 380         cpu->state_current = SURF_RESOURCE_OFF;
 381       if (tmgr_trace_event_free(event_type))
 382         cpu->state_event = NULL;
 383     } else {
 384       CRITICAL0("Unknown event ! \n");
 385       xbt_abort();
 386     }
 387     return;
 388   } else {
 389     DIE_IMPOSSIBLE;
 390   }
 391   return;
 392 }
 393
 394 static void finalize(void)
 395 {
 396   if (parallel_task_link_set != NULL)
 397     xbt_dict_free(&parallel_task_link_set);
 398
 399   surf_model_exit(surf_workstation_model);
 400   surf_workstation_model = NULL;
 401   surf_model_exit(surf_network_model);
 402   surf_network_model = NULL;
 403   used_routing->finalize();
 404
 405   host_count = 0;
 406
 407   if (ptask_maxmin_system) {
 408     lmm_system_free(ptask_maxmin_system);
 409     ptask_maxmin_system = NULL;
 410   }
 411 }
 412
 413 /**************************************/
 414 /******* Resource Private    **********/
 415 /**************************************/
 416
 417 static e_surf_resource_state_t resource_get_state(void *cpu)
 418 {
 419   return ((cpu_L07_t) cpu)->state_current;
 420 }
 421
 422 static double get_speed(void *cpu, double load)
 423 {
 424   return load * (((cpu_L07_t) cpu)->power_scale);
 425 }
 426
 427 static double get_available_speed(void *cpu)
 428 {
 429   return ((cpu_L07_t) cpu)->power_current;
 430 }
 431
 432 static surf_action_t execute_parallel_task(int workstation_nb,
 433                                            void **workstation_list,
 434                                            double *computation_amount,
 435                                            double *communication_amount,
 436                                            double amount, double rate)
 437 {
 438   surf_action_workstation_L07_t action = NULL;
 439   int i, j;
 440   unsigned int cpt;
 441   int nb_link = 0;
 442   int nb_host = 0;
 443   double latency = 0.0;
 444
 445   if (parallel_task_link_set == NULL)
 446     parallel_task_link_set = xbt_dict_new();
 447
 448   xbt_dict_reset(parallel_task_link_set);
 449
 450   /* Compute the number of affected resources... */
 451   for (i = 0; i < workstation_nb; i++) {
 452     for (j = 0; j < workstation_nb; j++) {
 453       cpu_L07_t card_src = workstation_list[i];
 454       cpu_L07_t card_dst = workstation_list[j];
 455       link_L07_t link;
 456       xbt_dynar_t route = used_routing->get_route(card_src->id, card_dst->id);
 457       double lat = 0.0;
 458
 459       if (communication_amount[i * workstation_nb + j] > 0)
 460         xbt_dynar_foreach(route, cpt, link) {
 461         lat += link->lat_current;
 462         xbt_dict_set(parallel_task_link_set, link->generic_resource.name,
 463                      link, NULL);
 464         }
 465       latency = MAX(latency, lat);
 466     }
 467   }
 468
 469   nb_link = xbt_dict_length(parallel_task_link_set);
 470   xbt_dict_reset(parallel_task_link_set);
 471
 472   for (i = 0; i < workstation_nb; i++)
 473     if (computation_amount[i] > 0)
 474       nb_host++;
 475
 476   action =
 477     surf_action_new(sizeof(s_surf_action_workstation_L07_t), amount,
 478                     surf_workstation_model, 0);
 479   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.", action,
 480          workstation_nb, nb_link);
 481   action->suspended = 0;        /* Should be useless because of the
 482                                    calloc but it seems to help valgrind... */
 483   action->workstation_nb = workstation_nb;
 484   action->workstation_list = (cpu_L07_t *) workstation_list;
 485   action->computation_amount = computation_amount;
 486   action->communication_amount = communication_amount;
 487   action->latency = latency;
 488   action->rate = rate;
 489
 490   action->variable =
 491     lmm_variable_new(ptask_maxmin_system, action, 1.0,
 492                      (action->rate > 0) ? action->rate : -1.0,
 493                      workstation_nb + nb_link);
 494
 495   if (action->latency > 0)
 496     lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 497
 498   for (i = 0; i < workstation_nb; i++)
 499     lmm_expand(ptask_maxmin_system,
 500                ((cpu_L07_t) workstation_list[i])->constraint,
 501                action->variable, computation_amount[i]);
 502
 503   for (i = 0; i < workstation_nb; i++) {
 504     for (j = 0; j < workstation_nb; j++) {
 505       cpu_L07_t card_src = workstation_list[i];
 506       cpu_L07_t card_dst = workstation_list[j];
 507       link_L07_t link;
 508       xbt_dynar_t route = used_routing->get_route(card_src->id, card_dst->id);
 509
 510       if (communication_amount[i * workstation_nb + j] == 0.0)
 511         continue;
 512       xbt_dynar_foreach(route, cpt, link) {
 513         lmm_expand_add(ptask_maxmin_system, link->constraint,
 514                        action->variable,
 515                        communication_amount[i * workstation_nb + j]);
 516       }
 517     }
 518   }
 519
 520   if (nb_link + nb_host == 0) {
 521     action->generic_action.cost = 1.0;
 522     action->generic_action.remains = 0.0;
 523   }
 524
 525   return (surf_action_t) action;
 526 }
 527
 528 static surf_action_t execute(void *cpu, double size)
 529 {
 530   void **workstation_list = xbt_new0(void *, 1);
 531   double *computation_amount = xbt_new0(double, 1);
 532   double *communication_amount = xbt_new0(double, 1);
 533
 534   workstation_list[0] = cpu;
 535   communication_amount[0] = 0.0;
 536   computation_amount[0] = size;
 537
 538   return execute_parallel_task(1, workstation_list, computation_amount,
 539                                communication_amount, 1, -1);
 540 }
 541
 542 static surf_action_t communicate(void *src, void *dst, double size,
 543                                  double rate)
 544 {
 545   void **workstation_list = xbt_new0(void *, 2);
 546   double *computation_amount = xbt_new0(double, 2);
 547   double *communication_amount = xbt_new0(double, 4);
 548   surf_action_t res = NULL;
 549
 550   workstation_list[0] = src;
 551   workstation_list[1] = dst;
 552   communication_amount[1] = size;
 553
 554   res = execute_parallel_task(2, workstation_list,
 555                               computation_amount, communication_amount,
 556                               1, rate);
 557
 558   return res;
 559 }
 560
 561 static surf_action_t action_sleep(void *cpu, double duration)
 562 {
 563   surf_action_workstation_L07_t action = NULL;
 564
 565   XBT_IN2("(%s,%g)", surf_resource_name(cpu), duration);
 566
 567   action = (surf_action_workstation_L07_t) execute(cpu, 1.0);
 568   action->generic_action.max_duration = duration;
 569   action->suspended = 2;
 570   lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 571
 572   XBT_OUT;
 573   return (surf_action_t) action;
 574 }
 575
 576 static xbt_dynar_t get_route(void *src, void *dst)
 577 {
 578   cpu_L07_t host_src = src;
 579   cpu_L07_t host_dst = dst;
 580
 581   return used_routing->get_route(host_src->id, host_dst->id);
 582 }
 583
 584 static double get_link_bandwidth(const void *link)
 585 {
 586   return ((link_L07_t) link)->bw_current;
 587 }
 588
 589 static double get_link_latency(const void *link)
 590 {
 591   return ((link_L07_t) link)->lat_current;
 592 }
 593
 594 static int link_shared(const void *link)
 595 {
 596   return lmm_constraint_is_shared(((link_L07_t) link)->constraint);
 597 }
 598
 599 /**************************************/
 600 /*** Resource Creation & Destruction **/
 601 /**************************************/
 602
 603 static cpu_L07_t cpu_new(const char *name, double power_scale,
 604                          double power_initial,
 605                          tmgr_trace_t power_trace,
 606                          e_surf_resource_state_t state_initial,
 607                          tmgr_trace_t state_trace, xbt_dict_t cpu_properties)
 608 {
 609   cpu_L07_t cpu = xbt_new0(s_cpu_L07_t, 1);
 610   xbt_assert1(!surf_model_resource_by_name(surf_workstation_model, name),
 611               "Host '%s' declared several times in the platform file.", name);
 612
 613   cpu->generic_resource.model = surf_workstation_model;
 614   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 615   cpu->generic_resource.name = xbt_strdup(name);
 616   cpu->generic_resource.properties = current_property_set;
 617   cpu->id = host_count++;
 618
 619   cpu->power_scale = power_scale;
 620   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 621
 622   cpu->power_current = power_initial;
 623   if (power_trace)
 624     cpu->power_event =
 625       tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 626
 627   cpu->state_current = state_initial;
 628   if (state_trace)
 629     cpu->state_event =
 630       tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 631
 632   cpu->constraint =
 633     lmm_constraint_new(ptask_maxmin_system, cpu,
 634                        cpu->power_current * cpu->power_scale);
 635
 636   xbt_dict_set(surf_model_resource_set(surf_workstation_model), name, cpu,
 637                surf_resource_free);
 638
 639   return cpu;
 640 }
 641
 642 static void parse_cpu_init(void)
 643 {
 644   double power_scale = 0.0;
 645   double power_initial = 0.0;
 646   tmgr_trace_t power_trace = NULL;
 647   e_surf_resource_state_t state_initial = SURF_RESOURCE_OFF;
 648   tmgr_trace_t state_trace = NULL;
 649
 650   power_scale = get_cpu_power(A_surfxml_host_power);
 651   surf_parse_get_double(&power_initial, A_surfxml_host_availability);
 652   power_trace = tmgr_trace_new(A_surfxml_host_availability_file);
 653
 654   xbt_assert0((A_surfxml_host_state == A_surfxml_host_state_ON) ||
 655               (A_surfxml_host_state == A_surfxml_host_state_OFF),
 656               "Invalid state");
 657   if (A_surfxml_host_state == A_surfxml_host_state_ON)
 658     state_initial = SURF_RESOURCE_ON;
 659   if (A_surfxml_host_state == A_surfxml_host_state_OFF)
 660     state_initial = SURF_RESOURCE_OFF;
 661   state_trace = tmgr_trace_new(A_surfxml_host_state_file);
 662
 663   current_property_set = xbt_dict_new();
 664   cpu_new(A_surfxml_host_id, power_scale, power_initial, power_trace,
 665           state_initial, state_trace, current_property_set);
 666 }
 667
 668 static link_L07_t link_new(char *name,
 669                            double bw_initial,
 670                            tmgr_trace_t bw_trace,
 671                            double lat_initial,
 672                            tmgr_trace_t lat_trace,
 673                            e_surf_resource_state_t
 674                            state_initial,
 675                            tmgr_trace_t state_trace,
 676                            e_surf_link_sharing_policy_t
 677                            policy, xbt_dict_t properties)
 678 {
 679   link_L07_t nw_link = xbt_new0(s_link_L07_t, 1);
 680   xbt_assert1(!xbt_dict_get_or_null(surf_network_model->resource_set, name),
 681               "Link '%s' declared several times in the platform file.", name);
 682
 683   nw_link->generic_resource.model = surf_workstation_model;
 684   nw_link->generic_resource.properties = properties;
 685   nw_link->generic_resource.name = name;
 686   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 687   nw_link->bw_current = bw_initial;
 688   if (bw_trace)
 689     nw_link->bw_event =
 690       tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 691   nw_link->state_current = state_initial;
 692   nw_link->lat_current = lat_initial;
 693   if (lat_trace)
 694     nw_link->lat_event =
 695       tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 696   if (state_trace)
 697     nw_link->state_event =
 698       tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 699
 700   nw_link->constraint =
 701     lmm_constraint_new(ptask_maxmin_system, nw_link, nw_link->bw_current);
 702
 703   if (policy == SURF_LINK_FATPIPE)
 704     lmm_constraint_shared(nw_link->constraint);
 705
 706
 707   xbt_dict_set(surf_network_model->resource_set, name, nw_link,
 708                surf_resource_free);
 709
 710   return nw_link;
 711 }
 712
 713 static void parse_link_init(void)
 714 {
 715   char *name_link;
 716   double bw_initial;
 717   tmgr_trace_t bw_trace;
 718   double lat_initial;
 719   tmgr_trace_t lat_trace;
 720   e_surf_resource_state_t state_initial_link = SURF_RESOURCE_ON;
 721   e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
 722   tmgr_trace_t state_trace;
 723
 724   name_link = xbt_strdup(A_surfxml_link_id);
 725   surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
 726   bw_trace = tmgr_trace_new(A_surfxml_link_bandwidth_file);
 727   surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
 728   lat_trace = tmgr_trace_new(A_surfxml_link_latency_file);
 729
 730   xbt_assert0((A_surfxml_link_state == A_surfxml_link_state_ON)
 731               || (A_surfxml_link_state ==
 732                   A_surfxml_link_state_OFF), "Invalid state");
 733   if (A_surfxml_link_state == A_surfxml_link_state_ON)
 734     state_initial_link = SURF_RESOURCE_ON;
 735   else if (A_surfxml_link_state == A_surfxml_link_state_OFF)
 736     state_initial_link = SURF_RESOURCE_OFF;
 737
 738   if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_SHARED)
 739     policy_initial_link = SURF_LINK_SHARED;
 740   else if (A_surfxml_link_sharing_policy ==
 741            A_surfxml_link_sharing_policy_FATPIPE)
 742     policy_initial_link = SURF_LINK_FATPIPE;
 743
 744   state_trace = tmgr_trace_new(A_surfxml_link_state_file);
 745
 746   current_property_set = xbt_dict_new();
 747   link_new(name_link, bw_initial, bw_trace, lat_initial, lat_trace,
 748            state_initial_link, state_trace, policy_initial_link,
 749            current_property_set);
 750 }
 751
 752 static void add_traces(void)
 753 {
 754   xbt_dict_cursor_t cursor = NULL;
 755   char *trace_name, *elm;
 756
 757   if (!trace_connect_list_host_avail)
 758     return;
 759
 760   /* Connect traces relative to cpu */
 761   xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
 762     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 763     cpu_L07_t host = surf_model_resource_by_name(surf_workstation_model, elm);
 764
 765     xbt_assert1(host, "Host %s undefined", elm);
 766     xbt_assert1(trace, "Trace %s undefined", trace_name);
 767
 768     host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 769   }
 770
 771   xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
 772     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 773     cpu_L07_t host = surf_model_resource_by_name(surf_workstation_model, elm);
 774
 775     xbt_assert1(host, "Host %s undefined", elm);
 776     xbt_assert1(trace, "Trace %s undefined", trace_name);
 777
 778     host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 779   }
 780
 781   /* Connect traces relative to network */
 782   xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
 783     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 784     link_L07_t link =
 785       xbt_dict_get_or_null(surf_network_model->resource_set, elm);
 786
 787     xbt_assert1(link, "Link %s undefined", elm);
 788     xbt_assert1(trace, "Trace %s undefined", trace_name);
 789
 790     link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 791   }
 792
 793   xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
 794     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 795     link_L07_t link =
 796       xbt_dict_get_or_null(surf_network_model->resource_set, elm);
 797
 798     xbt_assert1(link, "Link %s undefined", elm);
 799     xbt_assert1(trace, "Trace %s undefined", trace_name);
 800
 801     link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 802   }
 803
 804   xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
 805     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 806     link_L07_t link =
 807       xbt_dict_get_or_null(surf_network_model->resource_set, elm);
 808
 809     xbt_assert1(link, "Link %s undefined", elm);
 810     xbt_assert1(trace, "Trace %s undefined", trace_name);
 811
 812     link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 813   }
 814 }
 815
 816 static void define_callbacks(const char *file)
 817 {
 818   /* Adding callback functions */
 819   surf_parse_reset_parser();
 820   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_cpu_init);
 821   surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init);
 822   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces);
 823 }
 824
 825
 826 /**************************************/
 827 /********* Module  creation ***********/
 828 /**************************************/
 829
 830 static void model_init_internal(void)
 831 {
 832   surf_workstation_model = surf_model_init();
 833
 834   surf_workstation_model->action_unref = action_unref;
 835   surf_workstation_model->action_cancel = action_cancel;
 836   surf_workstation_model->action_state_set = surf_action_state_set;
 837   surf_workstation_model->suspend = action_suspend;
 838   surf_workstation_model->resume = action_resume;
 839   surf_workstation_model->is_suspended = action_is_suspended;
 840   surf_workstation_model->set_max_duration = action_set_max_duration;
 841   surf_workstation_model->set_priority = action_set_priority;
 842   surf_workstation_model->get_remains = action_get_remains;
 843   surf_workstation_model->name = "Workstation ptask_L07";
 844
 845   surf_workstation_model->model_private->resource_used = resource_used;
 846   surf_workstation_model->model_private->share_resources = share_resources;
 847   surf_workstation_model->model_private->update_actions_state =
 848     update_actions_state;
 849   surf_workstation_model->model_private->update_resource_state =
 850     update_resource_state;
 851   surf_workstation_model->model_private->finalize = finalize;
 852
 853   surf_workstation_model->extension.workstation.execute = execute;
 854   surf_workstation_model->extension.workstation.sleep = action_sleep;
 855   surf_workstation_model->extension.workstation.get_state =
 856     resource_get_state;
 857   surf_workstation_model->extension.workstation.get_speed = get_speed;
 858   surf_workstation_model->extension.workstation.get_available_speed =
 859     get_available_speed;
 860   surf_workstation_model->extension.workstation.communicate = communicate;
 861   surf_workstation_model->extension.workstation.get_route = get_route;
 862   surf_workstation_model->extension.workstation.execute_parallel_task =
 863     execute_parallel_task;
 864   surf_workstation_model->extension.workstation.get_link_bandwidth =
 865     get_link_bandwidth;
 866   surf_workstation_model->extension.workstation.get_link_latency =
 867     get_link_latency;
 868   surf_workstation_model->extension.workstation.link_shared = link_shared;
 869   surf_workstation_model->extension.workstation.get_properties =
 870     surf_resource_properties;
 871
 872
 873   if (!ptask_maxmin_system)
 874     ptask_maxmin_system = lmm_system_new();
 875
 876   routing_model_create(sizeof(link_L07_t),
 877                        link_new(xbt_strdup("__loopback__"),
 878                                 498000000, NULL, 0.000015, NULL,
 879                                 SURF_RESOURCE_ON, NULL, SURF_LINK_FATPIPE,
 880                                 NULL));
 881
 882 }
 883
 884 /**************************************/
 885 /*************** Generic **************/
 886 /**************************************/
 887 void surf_workstation_model_init_ptask_L07(const char *filename)
 888 {
 889   xbt_assert0(!surf_cpu_model, "CPU model type already defined");
 890   xbt_assert0(!surf_network_model, "network model type already defined");
 891   surf_network_model = surf_model_init();
 892   define_callbacks(filename);
 893   model_init_internal();
 894
 895   update_model_description(surf_workstation_model_description,
 896                            "ptask_L07", surf_workstation_model);
 897   xbt_dynar_push(model_list, &surf_workstation_model);
 898 }