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->common_public.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->common_public.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_model_t)surf_workstation_model);
 421
 422   free(surf_workstation_model->extension_public);
 423
 424   free(surf_workstation_model);
 425   surf_workstation_model = NULL;
 426
 427   for (i = 0; i < nb_workstation; i++)
 428     for (j = 0; j < nb_workstation; j++)
 429       free(ROUTE(i, j).links);
 430   free(routing_table);
 431   routing_table = NULL;
 432   nb_workstation = 0;
 433
 434   if (ptask_maxmin_system) {
 435     lmm_system_free(ptask_maxmin_system);
 436     ptask_maxmin_system = NULL;
 437   }
 438 }
 439
 440 /**************************************/
 441 /******* Resource Private    **********/
 442 /**************************************/
 443
 444 static e_surf_cpu_state_t resource_get_state(void *cpu)
 445 {
 446   return ((cpu_L07_t) cpu)->state_current;
 447 }
 448
 449 static double get_speed(void *cpu, double load)
 450 {
 451   return load * (((cpu_L07_t) cpu)->power_scale);
 452 }
 453
 454 static double get_available_speed(void *cpu)
 455 {
 456   return ((cpu_L07_t) cpu)->power_current;
 457 }
 458
 459 static surf_action_t execute_parallel_task(int workstation_nb,
 460                                            void **workstation_list,
 461                                            double *computation_amount,
 462                                            double *communication_amount,
 463                                            double amount, double rate)
 464 {
 465   surf_action_workstation_L07_t action = NULL;
 466   int i, j, k;
 467   int nb_link = 0;
 468   int nb_host = 0;
 469   double latency = 0.0;
 470
 471   if (parallel_task_link_set == NULL)
 472     parallel_task_link_set = xbt_dict_new();
 473
 474   xbt_dict_reset(parallel_task_link_set);
 475
 476   /* Compute the number of affected resources... */
 477   for (i = 0; i < workstation_nb; i++) {
 478     for (j = 0; j < workstation_nb; j++) {
 479       cpu_L07_t card_src = workstation_list[i];
 480       cpu_L07_t card_dst = workstation_list[j];
 481       int route_size = ROUTE(card_src->id, card_dst->id).size;
 482       link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
 483       double lat = 0.0;
 484
 485       if (communication_amount[i * workstation_nb + j] > 0)
 486         for (k = 0; k < route_size; k++) {
 487           lat += route[k]->lat_current;
 488           xbt_dict_set(parallel_task_link_set, route[k]->name,
 489                        route[k], NULL);
 490         }
 491       latency = MAX(latency, lat);
 492     }
 493   }
 494
 495   nb_link = xbt_dict_length(parallel_task_link_set);
 496   xbt_dict_reset(parallel_task_link_set);
 497
 498   for (i = 0; i < workstation_nb; i++)
 499     if (computation_amount[i] > 0)
 500       nb_host++;
 501
 502   action = xbt_new0(s_surf_action_workstation_L07_t, 1);
 503   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
 504          action, workstation_nb, nb_link);
 505   action->generic_action.refcount = 1;
 506   action->generic_action.cost = amount;
 507   action->generic_action.remains = amount;
 508   action->generic_action.max_duration = NO_MAX_DURATION;
 509   action->generic_action.start = surf_get_clock();
 510   action->generic_action.finish = -1.0;
 511   action->generic_action.model_type = (surf_model_t) surf_workstation_model;
 512   action->suspended = 0;        /* Should be useless because of the
 513                                    calloc but it seems to help valgrind... */
 514   action->workstation_nb = workstation_nb;
 515   action->workstation_list = (cpu_L07_t *) workstation_list;
 516   action->computation_amount = computation_amount;
 517   action->communication_amount = communication_amount;
 518   action->latency = latency;
 519   action->generic_action.state_set =
 520     surf_workstation_model->common_public.states.running_action_set;
 521
 522   xbt_swag_insert(action, action->generic_action.state_set);
 523   action->rate = rate;
 524
 525   action->variable =
 526     lmm_variable_new(ptask_maxmin_system, action, 1.0,
 527                      (action->rate > 0) ? action->rate : -1.0,
 528                      workstation_nb + nb_link);
 529
 530   if (action->latency > 0)
 531     lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 532
 533   for (i = 0; i < workstation_nb; i++)
 534     lmm_expand(ptask_maxmin_system,
 535                ((cpu_L07_t) workstation_list[i])->constraint,
 536                action->variable, computation_amount[i]);
 537
 538   for (i = 0; i < workstation_nb; i++) {
 539     for (j = 0; j < workstation_nb; j++) {
 540       cpu_L07_t card_src = workstation_list[i];
 541       cpu_L07_t card_dst = workstation_list[j];
 542       int route_size = ROUTE(card_src->id, card_dst->id).size;
 543       link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
 544
 545       if (communication_amount[i * workstation_nb + j] == 0.0)
 546         continue;
 547       for (k = 0; k < route_size; k++) {
 548         lmm_expand_add(ptask_maxmin_system, route[k]->constraint,
 549                        action->variable,
 550                        communication_amount[i * workstation_nb + j]);
 551       }
 552     }
 553   }
 554
 555   if (nb_link + nb_host == 0) {
 556     action->generic_action.cost = 1.0;
 557     action->generic_action.remains = 0.0;
 558   }
 559
 560   return (surf_action_t) action;
 561 }
 562
 563 static surf_action_t execute(void *cpu, double size)
 564 {
 565   void **workstation_list = xbt_new0(void *, 1);
 566   double *computation_amount = xbt_new0(double, 1);
 567   double *communication_amount = xbt_new0(double, 1);
 568
 569   workstation_list[0] = cpu;
 570   communication_amount[0] = 0.0;
 571   computation_amount[0] = size;
 572
 573   return execute_parallel_task(1, workstation_list, computation_amount,
 574                                communication_amount, 1, -1);
 575 }
 576
 577 static surf_action_t communicate(void *src, void *dst, double size,
 578                                  double rate)
 579 {
 580   void **workstation_list = xbt_new0(void *, 2);
 581   double *computation_amount = xbt_new0(double, 2);
 582   double *communication_amount = xbt_new0(double, 4);
 583   surf_action_t res = NULL;
 584
 585   workstation_list[0] = src;
 586   workstation_list[1] = dst;
 587   communication_amount[1] = size;
 588
 589   res = execute_parallel_task(2, workstation_list,
 590                               computation_amount, communication_amount,
 591                               1, rate);
 592
 593   return res;
 594 }
 595
 596 static surf_action_t action_sleep(void *cpu, double duration)
 597 {
 598   surf_action_workstation_L07_t action = NULL;
 599
 600   XBT_IN2("(%s,%g)", ((cpu_L07_t) cpu)->name, duration);
 601
 602   action = (surf_action_workstation_L07_t) execute(cpu, 1.0);
 603   action->generic_action.max_duration = duration;
 604   action->suspended = 2;
 605   lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 606
 607   XBT_OUT;
 608   return (surf_action_t) action;
 609 }
 610
 611 /* returns an array of link_L07_t */
 612 static const void **get_route(void *src, void *dst)
 613 {
 614   cpu_L07_t card_src = src;
 615   cpu_L07_t card_dst = dst;
 616   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
 617
 618   return (const void **) route->links;
 619 }
 620
 621 static int get_route_size(void *src, void *dst)
 622 {
 623   cpu_L07_t card_src = src;
 624   cpu_L07_t card_dst = dst;
 625   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
 626   return route->size;
 627 }
 628
 629 static const char *get_link_name(const void *link)
 630 {
 631   return ((link_L07_t) link)->name;
 632 }
 633
 634 static double get_link_bandwidth(const void *link)
 635 {
 636   return ((link_L07_t) link)->bw_current;
 637 }
 638
 639 static double get_link_latency(const void *link)
 640 {
 641   return ((link_L07_t) link)->lat_current;
 642 }
 643
 644 static int link_shared(const void *link)
 645 {
 646   return lmm_constraint_is_shared(((link_L07_t) link)->constraint);
 647 }
 648
 649 /**************************************/
 650 /*** Resource Creation & Destruction **/
 651 /**************************************/
 652
 653 static void cpu_free(void *cpu)
 654 {
 655   free(((cpu_L07_t) cpu)->name);
 656   xbt_dict_free(&(((cpu_L07_t) cpu)->properties));
 657   free(cpu);
 658 }
 659
 660 static cpu_L07_t cpu_new(const char *name, double power_scale,
 661                          double power_initial,
 662                          tmgr_trace_t power_trace,
 663                          e_surf_cpu_state_t state_initial,
 664                          tmgr_trace_t state_trace, xbt_dict_t cpu_properties)
 665 {
 666   cpu_L07_t cpu = xbt_new0(s_cpu_L07_t, 1);
 667   xbt_assert1(!surf_model_resource_by_name(surf_workstation_model, name),
 668               "Host '%s' declared several times in the platform file.", name);
 669
 670   cpu->model = (surf_model_t) surf_workstation_model;
 671   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 672   cpu->name = xbt_strdup(name);
 673   cpu->id = nb_workstation++;
 674
 675   cpu->power_scale = power_scale;
 676   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 677
 678   cpu->power_current = power_initial;
 679   if (power_trace)
 680     cpu->power_event =
 681       tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 682
 683   cpu->state_current = state_initial;
 684   if (state_trace)
 685     cpu->state_event =
 686       tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 687
 688   cpu->constraint =
 689     lmm_constraint_new(ptask_maxmin_system, cpu,
 690                        cpu->power_current * cpu->power_scale);
 691
 692   /*add the property set */
 693   cpu->properties = current_property_set;
 694
 695   xbt_dict_set(surf_model_resource_set(surf_workstation_model), name, cpu, cpu_free);
 696
 697   return cpu;
 698 }
 699
 700 static void create_routing_table(void)
 701 {
 702   routing_table = xbt_new0(s_route_L07_t, nb_workstation * nb_workstation);
 703 }
 704
 705 static void parse_cpu_init(void)
 706 {
 707   double power_scale = 0.0;
 708   double power_initial = 0.0;
 709   tmgr_trace_t power_trace = NULL;
 710   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
 711   tmgr_trace_t state_trace = NULL;
 712
 713   power_scale = get_cpu_power(A_surfxml_host_power);
 714   surf_parse_get_double(&power_initial, A_surfxml_host_availability);
 715   surf_parse_get_trace(&power_trace, A_surfxml_host_availability_file);
 716
 717   xbt_assert0((A_surfxml_host_state == A_surfxml_host_state_ON) ||
 718               (A_surfxml_host_state == A_surfxml_host_state_OFF),
 719               "Invalid state");
 720   if (A_surfxml_host_state == A_surfxml_host_state_ON)
 721     state_initial = SURF_CPU_ON;
 722   if (A_surfxml_host_state == A_surfxml_host_state_OFF)
 723     state_initial = SURF_CPU_OFF;
 724   surf_parse_get_trace(&state_trace, A_surfxml_host_state_file);
 725
 726   current_property_set = xbt_dict_new();
 727   cpu_new(A_surfxml_host_id, power_scale, power_initial, power_trace,
 728           state_initial, state_trace, current_property_set);
 729 }
 730
 731 static void link_free(void *nw_link)
 732 {
 733   free(((link_L07_t) nw_link)->name);
 734   xbt_dict_free(&(((link_L07_t) nw_link)->properties));
 735   free(nw_link);
 736 }
 737
 738 static link_L07_t link_new(char *name,
 739                            double bw_initial,
 740                            tmgr_trace_t bw_trace,
 741                            double lat_initial,
 742                            tmgr_trace_t lat_trace,
 743                            e_surf_link_state_t
 744                            state_initial,
 745                            tmgr_trace_t state_trace,
 746                            e_surf_link_sharing_policy_t
 747                            policy, xbt_dict_t properties)
 748 {
 749   link_L07_t nw_link = xbt_new0(s_link_L07_t, 1);
 750   xbt_assert1(!xbt_dict_get_or_null(link_set, name),
 751               "Link '%s' declared several times in the platform file.", name);
 752
 753   nw_link->model = (surf_model_t) surf_workstation_model;
 754   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 755   nw_link->name = name;
 756   nw_link->bw_current = bw_initial;
 757   if (bw_trace)
 758     nw_link->bw_event =
 759       tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 760   nw_link->state_current = state_initial;
 761   nw_link->lat_current = lat_initial;
 762   if (lat_trace)
 763     nw_link->lat_event =
 764       tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 765   if (state_trace)
 766     nw_link->state_event =
 767       tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 768
 769   nw_link->constraint =
 770     lmm_constraint_new(ptask_maxmin_system, nw_link, nw_link->bw_current);
 771
 772   if (policy == SURF_LINK_FATPIPE)
 773     lmm_constraint_shared(nw_link->constraint);
 774
 775   nw_link->properties = properties;
 776
 777   xbt_dict_set(link_set, name, nw_link, link_free);
 778
 779   return nw_link;
 780 }
 781
 782 static void parse_link_init(void)
 783 {
 784   char *name_link;
 785   double bw_initial;
 786   tmgr_trace_t bw_trace;
 787   double lat_initial;
 788   tmgr_trace_t lat_trace;
 789   e_surf_link_state_t state_initial_link = SURF_LINK_ON;
 790   e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
 791   tmgr_trace_t state_trace;
 792
 793   name_link = xbt_strdup(A_surfxml_link_id);
 794   surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
 795   surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file);
 796   surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
 797   surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file);
 798
 799   xbt_assert0((A_surfxml_link_state == A_surfxml_link_state_ON)
 800               || (A_surfxml_link_state ==
 801                   A_surfxml_link_state_OFF), "Invalid state");
 802   if (A_surfxml_link_state == A_surfxml_link_state_ON)
 803     state_initial_link = SURF_LINK_ON;
 804   else if (A_surfxml_link_state == A_surfxml_link_state_OFF)
 805     state_initial_link = SURF_LINK_OFF;
 806
 807   if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_SHARED)
 808     policy_initial_link = SURF_LINK_SHARED;
 809   else if (A_surfxml_link_sharing_policy ==
 810            A_surfxml_link_sharing_policy_FATPIPE)
 811     policy_initial_link = SURF_LINK_FATPIPE;
 812
 813   surf_parse_get_trace(&state_trace, A_surfxml_link_state_file);
 814
 815   current_property_set = xbt_dict_new();
 816   link_new(name_link, bw_initial, bw_trace, lat_initial, lat_trace,
 817            state_initial_link, state_trace, policy_initial_link,
 818            current_property_set);
 819 }
 820
 821 static void route_new(int src_id, int dst_id,
 822                       link_L07_t * link_list, int nb_link)
 823 {
 824   route_L07_t route = &(ROUTE(src_id, dst_id));
 825
 826   route->size = nb_link;
 827   route->links = link_list =
 828     xbt_realloc(link_list, sizeof(link_L07_t) * nb_link);
 829 }
 830
 831
 832 static int src_id = -1;
 833 static int dst_id = -1;
 834
 835 static void parse_route_set_endpoints(void)
 836 {
 837   cpu_L07_t cpu_tmp = NULL;
 838
 839   cpu_tmp = (cpu_L07_t) surf_model_resource_by_name(surf_workstation_model, A_surfxml_route_src);
 840   xbt_assert1(cpu_tmp, "Invalid cpu %s", A_surfxml_route_src);
 841   if (cpu_tmp != NULL)
 842     src_id = cpu_tmp->id;
 843
 844   cpu_tmp = (cpu_L07_t) surf_model_resource_by_name(surf_workstation_model, A_surfxml_route_dst);
 845   xbt_assert1(cpu_tmp, "Invalid cpu %s", A_surfxml_route_dst);
 846   if (cpu_tmp != NULL)
 847     dst_id = cpu_tmp->id;
 848
 849   route_action = A_surfxml_route_action;
 850 }
 851
 852 static void parse_route_set_route(void)
 853 {
 854   char *name;
 855   if (src_id != -1 && dst_id != -1) {
 856     name = bprintf("%x#%x", src_id, dst_id);
 857     manage_route(route_table, name, route_action, 0);
 858     free(name);
 859   }
 860 }
 861
 862 static void add_loopback(void)
 863 {
 864   int i;
 865
 866   /* Adding loopback if needed */
 867   for (i = 0; i < nb_workstation; i++)
 868     if (!ROUTE(i, i).size) {
 869       if (!loopback)
 870         loopback = link_new(xbt_strdup("__MSG_loopback__"),
 871                             498000000, NULL, 0.000015, NULL,
 872                             SURF_LINK_ON, NULL, SURF_LINK_FATPIPE, NULL);
 873
 874       ROUTE(i, i).size = 1;
 875       ROUTE(i, i).links = xbt_new0(link_L07_t, 1);
 876       ROUTE(i, i).links[0] = loopback;
 877     }
 878 }
 879
 880 static void add_route(void)
 881 {
 882   xbt_ex_t e;
 883   int nb_link = 0;
 884   unsigned int cpt = 0;
 885   int link_list_capacity = 0;
 886   link_L07_t *link_list = NULL;
 887   xbt_dict_cursor_t cursor = NULL;
 888   char *key, *data, *end;
 889   const char *sep = "#";
 890   xbt_dynar_t links, keys;
 891   char *link = NULL;
 892
 893   if (routing_table == NULL)
 894     create_routing_table();
 895
 896   xbt_dict_foreach(route_table, cursor, key, data) {
 897     nb_link = 0;
 898     links = (xbt_dynar_t) data;
 899     keys = xbt_str_split_str(key, sep);
 900
 901     src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 16);
 902     dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16);
 903     xbt_dynar_free(&keys);
 904
 905     link_list_capacity = xbt_dynar_length(links);
 906     link_list = xbt_new(link_L07_t, link_list_capacity);
 907
 908
 909     xbt_dynar_foreach(links, cpt, link) {
 910       TRY {
 911         link_list[nb_link++] = xbt_dict_get(link_set, link);
 912       }
 913       CATCH(e) {
 914         RETHROW1("Link %s not found (dict raised this exception: %s)", link);
 915       }
 916     }
 917     route_new(src_id, dst_id, link_list, nb_link);
 918   }
 919 }
 920
 921 static void add_traces(void)
 922 {
 923   xbt_dict_cursor_t cursor = NULL;
 924   char *trace_name, *elm;
 925
 926   if (!trace_connect_list_host_avail)
 927     return;
 928
 929   /* Connect traces relative to cpu */
 930   xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
 931     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 932     cpu_L07_t host = surf_model_resource_by_name(surf_workstation_model, elm);
 933
 934     xbt_assert1(host, "Host %s undefined", elm);
 935     xbt_assert1(trace, "Trace %s undefined", trace_name);
 936
 937     host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 938   }
 939
 940   xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
 941     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 942     cpu_L07_t host = surf_model_resource_by_name(surf_workstation_model, elm);
 943
 944     xbt_assert1(host, "Host %s undefined", elm);
 945     xbt_assert1(trace, "Trace %s undefined", trace_name);
 946
 947     host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 948   }
 949
 950   /* Connect traces relative to network */
 951   xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
 952     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 953     link_L07_t link = xbt_dict_get_or_null(link_set, elm);
 954
 955     xbt_assert1(link, "Link %s undefined", elm);
 956     xbt_assert1(trace, "Trace %s undefined", trace_name);
 957
 958     link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 959   }
 960
 961   xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
 962     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 963     link_L07_t link = xbt_dict_get_or_null(link_set, elm);
 964
 965     xbt_assert1(link, "Link %s undefined", elm);
 966     xbt_assert1(trace, "Trace %s undefined", trace_name);
 967
 968     link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 969   }
 970
 971   xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
 972     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 973     link_L07_t link = xbt_dict_get_or_null(link_set, elm);
 974
 975     xbt_assert1(link, "Link %s undefined", elm);
 976     xbt_assert1(trace, "Trace %s undefined", trace_name);
 977
 978     link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 979   }
 980 }
 981
 982 static void define_callbacks(const char *file)
 983 {
 984   /* Adding callback functions */
 985   surf_parse_reset_parser();
 986   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_cpu_init);
 987   surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init);
 988   surfxml_add_callback(STag_surfxml_route_cb_list,
 989                        &parse_route_set_endpoints);
 990   surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route);
 991   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_route);
 992   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_loopback);
 993   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces);
 994 }
 995
 996
 997 /**************************************/
 998 /********* Module  creation ***********/
 999 /**************************************/
1000
1001 static void model_init_internal(void)
1002 {
1003   surf_workstation_model = xbt_new0(s_surf_workstation_model_t, 1);
1004
1005   surf_model_init((surf_model_t)surf_workstation_model);
1006   surf_workstation_model->extension_public =
1007     xbt_new0(s_surf_workstation_model_extension_public_t, 1);
1008
1009   surf_workstation_model->common_public.get_resource_name =
1010     get_resource_name;
1011   surf_workstation_model->common_public.action_get_state =
1012     surf_action_get_state;
1013   surf_workstation_model->common_public.action_get_start_time =
1014     surf_action_get_start_time;
1015   surf_workstation_model->common_public.action_get_finish_time =
1016     surf_action_get_finish_time;
1017   surf_workstation_model->common_public.action_use = action_use;
1018   surf_workstation_model->common_public.action_free = action_free;
1019   surf_workstation_model->common_public.action_cancel = action_cancel;
1020   surf_workstation_model->common_public.action_change_state =
1021     surf_action_change_state;
1022   surf_workstation_model->common_public.action_set_data =
1023     surf_action_set_data;
1024   surf_workstation_model->common_public.suspend = action_suspend;
1025   surf_workstation_model->common_public.resume = action_resume;
1026   surf_workstation_model->common_public.is_suspended = action_is_suspended;
1027   surf_workstation_model->common_public.set_max_duration =
1028     action_set_max_duration;
1029   surf_workstation_model->common_public.set_priority = action_set_priority;
1030   surf_workstation_model->common_public.name = "Workstation ptask_L07";
1031
1032   surf_workstation_model->common_private->resource_used = resource_used;
1033   surf_workstation_model->common_private->share_resources = share_resources;
1034   surf_workstation_model->common_private->update_actions_state =
1035     update_actions_state;
1036   surf_workstation_model->common_private->update_resource_state =
1037     update_resource_state;
1038   surf_workstation_model->common_private->finalize = finalize;
1039
1040   surf_workstation_model->extension_public->execute = execute;
1041   surf_workstation_model->extension_public->sleep = action_sleep;
1042   surf_workstation_model->extension_public->get_state = resource_get_state;
1043   surf_workstation_model->extension_public->get_speed = get_speed;
1044   surf_workstation_model->extension_public->get_available_speed =
1045     get_available_speed;
1046   surf_workstation_model->extension_public->communicate = communicate;
1047   surf_workstation_model->extension_public->execute_parallel_task =
1048     execute_parallel_task;
1049   surf_workstation_model->extension_public->get_route = get_route;
1050   surf_workstation_model->extension_public->get_route_size = get_route_size;
1051   surf_workstation_model->extension_public->get_link_name = get_link_name;
1052   surf_workstation_model->extension_public->get_link_bandwidth =
1053     get_link_bandwidth;
1054   surf_workstation_model->extension_public->get_link_latency =
1055     get_link_latency;
1056   surf_workstation_model->extension_public->link_shared = link_shared;
1057
1058   surf_workstation_model->common_public.get_properties = get_properties;
1059
1060   link_set = xbt_dict_new();
1061
1062   if (!ptask_maxmin_system)
1063     ptask_maxmin_system = lmm_system_new();
1064 }
1065
1066 /**************************************/
1067 /*************** Generic **************/
1068 /**************************************/
1069 void surf_workstation_model_init_ptask_L07(const char *filename)
1070 {
1071   xbt_assert0(!surf_cpu_model, "CPU model type already defined");
1072   xbt_assert0(!surf_network_model, "network model type already defined");
1073   model_init_internal();
1074   define_callbacks(filename);
1075
1076   update_model_description(surf_workstation_model_description,
1077                            "ptask_L07",
1078                            (surf_model_t) surf_workstation_model);
1079   xbt_dynar_push(model_list, &surf_workstation_model);
1080 }