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