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 /* extern lmm_system_t maxmin_system; */
  13
  14 typedef enum {
  15   SURF_WORKSTATION_RESOURCE_CPU,
  16   SURF_WORKSTATION_RESOURCE_LINK,
  17 } e_surf_workstation_model_type_t;
  18
  19 /**************************************/
  20 /********* cpu object *****************/
  21 /**************************************/
  22 typedef struct cpu_L07 {
  23   surf_model_t model;           /* Do not move this field: must match model_obj_t */
  24   xbt_dict_t properties;        /* Do not move this field: must match link_L07_t */
  25   e_surf_workstation_model_type_t type; /* Do not move this field: must match link_L07_t */
  26   char *name;                   /* Do not move this field: must match link_L07_t */
  27   lmm_constraint_t constraint;  /* Do not move this field: must match link_L07_t */
  28   double power_scale;
  29   double power_current;
  30   tmgr_trace_event_t power_event;
  31   e_surf_cpu_state_t state_current;
  32   tmgr_trace_event_t state_event;
  33   int id;                       /* cpu and network card are a single object... */
  34 } s_cpu_L07_t, *cpu_L07_t;
  35
  36 /**************************************/
  37 /*********** network object ***********/
  38 /**************************************/
  39
  40 typedef struct link_L07 {
  41   surf_model_t model;           /* Do not move this field: must match model_obj_t */
  42   xbt_dict_t properties;        /* Do not move this field: must match link_L07_t */
  43   e_surf_workstation_model_type_t type; /* Do not move this field: must match cpu_L07_t */
  44   char *name;                   /* Do not move this field: must match cpu_L07_t */
  45   lmm_constraint_t constraint;  /* Do not move this field: must match cpu_L07_t */
  46   double lat_current;
  47   tmgr_trace_event_t lat_event;
  48   double bw_current;
  49   tmgr_trace_event_t bw_event;
  50   e_surf_link_state_t state_current;
  51   tmgr_trace_event_t state_event;
  52 } s_link_L07_t, *link_L07_t;
  53
  54
  55 typedef struct s_route_L07 {
  56   link_L07_t *links;
  57   int size;
  58 } s_route_L07_t, *route_L07_t;
  59
  60 /**************************************/
  61 /*************** actions **************/
  62 /**************************************/
  63 typedef struct surf_action_workstation_L07 {
  64   s_surf_action_t generic_action;
  65   lmm_variable_t variable;
  66   int workstation_nb;
  67   cpu_L07_t *workstation_list;
  68   double *computation_amount;
  69   double *communication_amount;
  70   double latency;
  71   double rate;
  72   int suspended;
  73 } s_surf_action_workstation_L07_t, *surf_action_workstation_L07_t;
  74
  75
  76 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_workstation);
  77
  78 static int nb_workstation = 0;
  79 static s_route_L07_t *routing_table = NULL;
  80 #define ROUTE(i,j) routing_table[(i)+(j)*nb_workstation]
  81 static link_L07_t loopback = NULL;
  82 static xbt_dict_t parallel_task_link_set = NULL;
  83 lmm_system_t ptask_maxmin_system = NULL;
  84
  85
  86 static void update_action_bound(surf_action_workstation_L07_t action)
  87 {
  88   int workstation_nb = action->workstation_nb;
  89   double lat_current = 0.0;
  90   double lat_bound = -1.0;
  91   int i, j, k;
  92
  93   for (i = 0; i < workstation_nb; i++) {
  94     for (j = 0; j < workstation_nb; j++) {
  95       cpu_L07_t card_src = action->workstation_list[i];
  96       cpu_L07_t card_dst = action->workstation_list[j];
  97       int route_size = ROUTE(card_src->id, card_dst->id).size;
  98       link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
  99       double lat = 0.0;
 100
 101       if (action->communication_amount[i * workstation_nb + j] > 0) {
 102         for (k = 0; k < route_size; k++) {
 103           lat += route[k]->lat_current;
 104         }
 105         lat_current =
 106           MAX(lat_current,
 107               lat * action->communication_amount[i * workstation_nb + j]);
 108       }
 109     }
 110   }
 111   lat_bound = sg_tcp_gamma / (2.0 * lat_current);
 112   DEBUG2("action (%p) : lat_bound = %g", action, lat_bound);
 113   if ((action->latency == 0.0) && (action->suspended == 0)) {
 114     if (action->rate < 0)
 115       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 116                                 lat_bound);
 117     else
 118       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 119                                 min(action->rate, lat_bound));
 120   }
 121 }
 122
 123 /**************************************/
 124 /******* Resource Public     **********/
 125 /**************************************/
 126
 127 static void *name_service(const char *name)
 128 {
 129   return xbt_dict_get_or_null(workstation_set, name);
 130 }
 131
 132 static const char *get_resource_name(void *resource_id)
 133 {
 134   /* We can freely cast as a cpu_L07_t because it has the same
 135      prefix as link_L07_t. However, only cpu_L07_t
 136      will theoretically be given as an argument here. */
 137
 138   return ((cpu_L07_t) resource_id)->name;
 139 }
 140
 141 static xbt_dict_t get_properties(void *r)
 142 {
 143   /* We can freely cast as a cpu_L07_t since it has the same prefix than link_L07_t */
 144   return ((cpu_L07_t) r)->properties;
 145 }
 146
 147 /* action_get_state is inherited from the surf module */
 148
 149 static void action_use(surf_action_t action)
 150 {
 151   action->refcount++;
 152   return;
 153 }
 154
 155 static int action_free(surf_action_t action)
 156 {
 157   action->refcount--;
 158
 159   if (!action->refcount) {
 160     xbt_swag_remove(action, action->state_set);
 161     if (((surf_action_workstation_L07_t) action)->variable)
 162       lmm_variable_free(ptask_maxmin_system,
 163                         ((surf_action_workstation_L07_t) action)->variable);
 164     free(((surf_action_workstation_L07_t) action)->workstation_list);
 165     free(((surf_action_workstation_L07_t) action)->communication_amount);
 166     free(((surf_action_workstation_L07_t) action)->computation_amount);
 167     free(action);
 168     return 1;
 169   }
 170   return 0;
 171 }
 172
 173 static void action_cancel(surf_action_t action)
 174 {
 175   surf_action_change_state(action, SURF_ACTION_FAILED);
 176   return;
 177 }
 178
 179 /* action_change_state is inherited from the surf module */
 180 /* action_set_data is inherited from the surf module */
 181
 182 static void action_suspend(surf_action_t action)
 183 {
 184   XBT_IN1("(%p))", action);
 185   if (((surf_action_workstation_L07_t) action)->suspended != 2) {
 186     ((surf_action_workstation_L07_t) action)->suspended = 1;
 187     lmm_update_variable_weight(ptask_maxmin_system,
 188                                ((surf_action_workstation_L07_t)
 189                                 action)->variable, 0.0);
 190   }
 191   XBT_OUT;
 192 }
 193
 194 static void action_resume(surf_action_t action)
 195 {
 196   surf_action_workstation_L07_t act = (surf_action_workstation_L07_t) action;
 197
 198   XBT_IN1("(%p)", act);
 199   if (act->suspended != 2) {
 200     lmm_update_variable_weight(ptask_maxmin_system, act->variable, 1.0);
 201     act->suspended = 0;
 202   }
 203   XBT_OUT;
 204 }
 205
 206 static int action_is_suspended(surf_action_t action)
 207 {
 208   return (((surf_action_workstation_L07_t) action)->suspended == 1);
 209 }
 210
 211 static void action_set_max_duration(surf_action_t action, double duration)
 212 {                               /* FIXME: should inherit */
 213   XBT_IN2("(%p,%g)", action, duration);
 214   action->max_duration = duration;
 215   XBT_OUT;
 216 }
 217
 218
 219 static void action_set_priority(surf_action_t action, double priority)
 220 {                               /* FIXME: should inherit */
 221   XBT_IN2("(%p,%g)", action, priority);
 222   action->priority = priority;
 223   XBT_OUT;
 224 }
 225
 226 /**************************************/
 227 /******* Resource Private    **********/
 228 /**************************************/
 229
 230 static int resource_used(void *resource_id)
 231 {
 232   /* We can freely cast as a link_L07_t because it has
 233      the same prefix as cpu_L07_t */
 234   return lmm_constraint_used(ptask_maxmin_system,
 235                              ((link_L07_t) resource_id)->constraint);
 236
 237 }
 238
 239 static double share_resources(double now)
 240 {
 241   s_surf_action_workstation_L07_t s_action;
 242   surf_action_workstation_L07_t action = NULL;
 243
 244   xbt_swag_t running_actions =
 245     surf_workstation_model->common_public.states.running_action_set;
 246   double min = generic_maxmin_share_resources(running_actions,
 247                                               xbt_swag_offset(s_action,
 248                                                               variable),
 249                                               ptask_maxmin_system,
 250                                               bottleneck_solve);
 251
 252   xbt_swag_foreach(action, running_actions) {
 253     if (action->latency > 0) {
 254       if (min < 0) {
 255         min = action->latency;
 256         DEBUG3("Updating min (value) with %p (start %f): %f", action,
 257                action->generic_action.start, min);
 258       } else if (action->latency < min) {
 259         min = action->latency;
 260         DEBUG3("Updating min (latency) with %p (start %f): %f", action,
 261                action->generic_action.start, min);
 262       }
 263     }
 264   }
 265
 266   DEBUG1("min value : %f", min);
 267
 268   return min;
 269 }
 270
 271 static void update_actions_state(double now, double delta)
 272 {
 273   double deltap = 0.0;
 274   surf_action_workstation_L07_t action = NULL;
 275   surf_action_workstation_L07_t next_action = NULL;
 276   xbt_swag_t running_actions =
 277     surf_workstation_model->common_public.states.running_action_set;
 278
 279   xbt_swag_foreach_safe(action, next_action, running_actions) {
 280     deltap = delta;
 281     if (action->latency > 0) {
 282       if (action->latency > deltap) {
 283         double_update(&(action->latency), deltap);
 284         deltap = 0.0;
 285       } else {
 286         double_update(&(deltap), action->latency);
 287         action->latency = 0.0;
 288       }
 289       if ((action->latency == 0.0) && (action->suspended == 0)) {
 290         update_action_bound(action);
 291         lmm_update_variable_weight(ptask_maxmin_system, action->variable,
 292                                    1.0);
 293       }
 294     }
 295     DEBUG3("Action (%p) : remains (%g) updated by %g.",
 296            action, action->generic_action.remains,
 297            lmm_variable_getvalue(action->variable) * delta);
 298     double_update(&(action->generic_action.remains),
 299                   lmm_variable_getvalue(action->variable) * delta);
 300
 301     if (action->generic_action.max_duration != NO_MAX_DURATION)
 302       double_update(&(action->generic_action.max_duration), delta);
 303
 304     DEBUG2("Action (%p) : remains (%g).",
 305            action, action->generic_action.remains);
 306     if ((action->generic_action.remains <= 0) &&
 307         (lmm_get_variable_weight(action->variable) > 0)) {
 308       action->generic_action.finish = surf_get_clock();
 309       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 310     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 311                (action->generic_action.max_duration <= 0)) {
 312       action->generic_action.finish = surf_get_clock();
 313       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 314     } else {
 315       /* Need to check that none of the model has failed */
 316       lmm_constraint_t cnst = NULL;
 317       int i = 0;
 318       void *constraint_id = NULL;
 319
 320       while ((cnst =
 321               lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
 322                                     i++))) {
 323         constraint_id = lmm_constraint_id(cnst);
 324
 325 /*      if(((link_L07_t)constraint_id)->type== */
 326 /*         SURF_WORKSTATION_RESOURCE_LINK) { */
 327 /*        DEBUG2("Checking for link %s (%p)", */
 328 /*               ((link_L07_t)constraint_id)->name, */
 329 /*               ((link_L07_t)constraint_id)); */
 330 /*      } */
 331 /*      if(((cpu_L07_t)constraint_id)->type== */
 332 /*         SURF_WORKSTATION_RESOURCE_CPU) { */
 333 /*        DEBUG3("Checking for cpu %s (%p) : %s", */
 334 /*               ((cpu_L07_t)constraint_id)->name, */
 335 /*               ((cpu_L07_t)constraint_id), */
 336 /*               ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
 337 /*      } */
 338
 339         if (((((link_L07_t) constraint_id)->type ==
 340               SURF_WORKSTATION_RESOURCE_LINK) &&
 341              (((link_L07_t) constraint_id)->state_current ==
 342               SURF_LINK_OFF)) ||
 343             ((((cpu_L07_t) constraint_id)->type ==
 344               SURF_WORKSTATION_RESOURCE_CPU) &&
 345              (((cpu_L07_t) constraint_id)->state_current == SURF_CPU_OFF))) {
 346           DEBUG1("Action (%p) Failed!!", action);
 347           action->generic_action.finish = surf_get_clock();
 348           surf_action_change_state((surf_action_t) action,
 349                                    SURF_ACTION_FAILED);
 350           break;
 351         }
 352       }
 353     }
 354   }
 355   return;
 356 }
 357
 358 static void update_resource_state(void *id,
 359                                   tmgr_trace_event_t event_type,
 360                                   double value, double date)
 361 {
 362   cpu_L07_t cpu = id;
 363   link_L07_t nw_link = id;
 364
 365   if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 366     DEBUG2("Updating link %s (%p)", nw_link->name, nw_link);
 367     if (event_type == nw_link->bw_event) {
 368       nw_link->bw_current = value;
 369       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
 370                                   nw_link->bw_current);
 371     } else if (event_type == nw_link->lat_event) {
 372       lmm_variable_t var = NULL;
 373       surf_action_workstation_L07_t action = NULL;
 374       lmm_element_t elem = NULL;
 375
 376       nw_link->lat_current = value;
 377       while ((var = lmm_get_var_from_cnst
 378               (ptask_maxmin_system, nw_link->constraint, &elem))) {
 379
 380
 381         action = lmm_variable_id(var);
 382         update_action_bound(action);
 383       }
 384
 385     } else if (event_type == nw_link->state_event) {
 386       if (value > 0)
 387         nw_link->state_current = SURF_LINK_ON;
 388       else
 389         nw_link->state_current = SURF_LINK_OFF;
 390     } else {
 391       CRITICAL0("Unknown event ! \n");
 392       xbt_abort();
 393     }
 394     return;
 395   } else if (cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 396     DEBUG3("Updating cpu %s (%p) with value %g", cpu->name, cpu, value);
 397     if (event_type == cpu->power_event) {
 398       cpu->power_current = value;
 399       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
 400                                   cpu->power_current * cpu->power_scale);
 401     } else if (event_type == cpu->state_event) {
 402       if (value > 0)
 403         cpu->state_current = SURF_CPU_ON;
 404       else
 405         cpu->state_current = SURF_CPU_OFF;
 406     } else {
 407       CRITICAL0("Unknown event ! \n");
 408       xbt_abort();
 409     }
 410     return;
 411   } else {
 412     DIE_IMPOSSIBLE;
 413   }
 414   return;
 415 }
 416
 417 static void finalize(void)
 418 {
 419   int i, j;
 420
 421   xbt_dict_free(&link_set);
 422   xbt_dict_free(&workstation_set);
 423   if (parallel_task_link_set != NULL) {
 424     xbt_dict_free(&parallel_task_link_set);
 425   }
 426
 427   surf_model_exit((surf_model_t)surf_workstation_model);
 428
 429   free(surf_workstation_model->extension_public);
 430
 431   free(surf_workstation_model);
 432   surf_workstation_model = NULL;
 433
 434   for (i = 0; i < nb_workstation; i++)
 435     for (j = 0; j < nb_workstation; j++)
 436       free(ROUTE(i, j).links);
 437   free(routing_table);
 438   routing_table = NULL;
 439   nb_workstation = 0;
 440
 441   if (ptask_maxmin_system) {
 442     lmm_system_free(ptask_maxmin_system);
 443     ptask_maxmin_system = NULL;
 444   }
 445 }
 446
 447 /**************************************/
 448 /******* Resource Private    **********/
 449 /**************************************/
 450
 451 static e_surf_cpu_state_t resource_get_state(void *cpu)
 452 {
 453   return ((cpu_L07_t) cpu)->state_current;
 454 }
 455
 456 static double get_speed(void *cpu, double load)
 457 {
 458   return load * (((cpu_L07_t) cpu)->power_scale);
 459 }
 460
 461 static double get_available_speed(void *cpu)
 462 {
 463   return ((cpu_L07_t) cpu)->power_current;
 464 }
 465
 466 static surf_action_t execute_parallel_task(int workstation_nb,
 467                                            void **workstation_list,
 468                                            double *computation_amount,
 469                                            double *communication_amount,
 470                                            double amount, double rate)
 471 {
 472   surf_action_workstation_L07_t action = NULL;
 473   int i, j, k;
 474   int nb_link = 0;
 475   int nb_host = 0;
 476   double latency = 0.0;
 477
 478   if (parallel_task_link_set == NULL)
 479     parallel_task_link_set = xbt_dict_new();
 480
 481   xbt_dict_reset(parallel_task_link_set);
 482
 483   /* Compute the number of affected resources... */
 484   for (i = 0; i < workstation_nb; i++) {
 485     for (j = 0; j < workstation_nb; j++) {
 486       cpu_L07_t card_src = workstation_list[i];
 487       cpu_L07_t card_dst = workstation_list[j];
 488       int route_size = ROUTE(card_src->id, card_dst->id).size;
 489       link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
 490       double lat = 0.0;
 491
 492       if (communication_amount[i * workstation_nb + j] > 0)
 493         for (k = 0; k < route_size; k++) {
 494           lat += route[k]->lat_current;
 495           xbt_dict_set(parallel_task_link_set, route[k]->name,
 496                        route[k], NULL);
 497         }
 498       latency = MAX(latency, lat);
 499     }
 500   }
 501
 502   nb_link = xbt_dict_length(parallel_task_link_set);
 503   xbt_dict_reset(parallel_task_link_set);
 504
 505   for (i = 0; i < workstation_nb; i++)
 506     if (computation_amount[i] > 0)
 507       nb_host++;
 508
 509   action = xbt_new0(s_surf_action_workstation_L07_t, 1);
 510   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
 511          action, workstation_nb, nb_link);
 512   action->generic_action.refcount = 1;
 513   action->generic_action.cost = amount;
 514   action->generic_action.remains = amount;
 515   action->generic_action.max_duration = NO_MAX_DURATION;
 516   action->generic_action.start = surf_get_clock();
 517   action->generic_action.finish = -1.0;
 518   action->generic_action.model_type = (surf_model_t) surf_workstation_model;
 519   action->suspended = 0;        /* Should be useless because of the
 520                                    calloc but it seems to help valgrind... */
 521   action->workstation_nb = workstation_nb;
 522   action->workstation_list = (cpu_L07_t *) workstation_list;
 523   action->computation_amount = computation_amount;
 524   action->communication_amount = communication_amount;
 525   action->latency = latency;
 526   action->generic_action.state_set =
 527     surf_workstation_model->common_public.states.running_action_set;
 528
 529   xbt_swag_insert(action, action->generic_action.state_set);
 530   action->rate = rate;
 531
 532   action->variable =
 533     lmm_variable_new(ptask_maxmin_system, action, 1.0,
 534                      (action->rate > 0) ? action->rate : -1.0,
 535                      workstation_nb + nb_link);
 536
 537   if (action->latency > 0)
 538     lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 539
 540   for (i = 0; i < workstation_nb; i++)
 541     lmm_expand(ptask_maxmin_system,
 542                ((cpu_L07_t) workstation_list[i])->constraint,
 543                action->variable, computation_amount[i]);
 544
 545   for (i = 0; i < workstation_nb; i++) {
 546     for (j = 0; j < workstation_nb; j++) {
 547       cpu_L07_t card_src = workstation_list[i];
 548       cpu_L07_t card_dst = workstation_list[j];
 549       int route_size = ROUTE(card_src->id, card_dst->id).size;
 550       link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
 551
 552       if (communication_amount[i * workstation_nb + j] == 0.0)
 553         continue;
 554       for (k = 0; k < route_size; k++) {
 555         lmm_expand_add(ptask_maxmin_system, route[k]->constraint,
 556                        action->variable,
 557                        communication_amount[i * workstation_nb + j]);
 558       }
 559     }
 560   }
 561
 562   if (nb_link + nb_host == 0) {
 563     action->generic_action.cost = 1.0;
 564     action->generic_action.remains = 0.0;
 565   }
 566
 567   return (surf_action_t) action;
 568 }
 569
 570 static surf_action_t execute(void *cpu, double size)
 571 {
 572   void **workstation_list = xbt_new0(void *, 1);
 573   double *computation_amount = xbt_new0(double, 1);
 574   double *communication_amount = xbt_new0(double, 1);
 575
 576   workstation_list[0] = cpu;
 577   communication_amount[0] = 0.0;
 578   computation_amount[0] = size;
 579
 580   return execute_parallel_task(1, workstation_list, computation_amount,
 581                                communication_amount, 1, -1);
 582 }
 583
 584 static surf_action_t communicate(void *src, void *dst, double size,
 585                                  double rate)
 586 {
 587   void **workstation_list = xbt_new0(void *, 2);
 588   double *computation_amount = xbt_new0(double, 2);
 589   double *communication_amount = xbt_new0(double, 4);
 590   surf_action_t res = NULL;
 591
 592   workstation_list[0] = src;
 593   workstation_list[1] = dst;
 594   communication_amount[1] = size;
 595
 596   res = execute_parallel_task(2, workstation_list,
 597                               computation_amount, communication_amount,
 598                               1, rate);
 599
 600   return res;
 601 }
 602
 603 static surf_action_t action_sleep(void *cpu, double duration)
 604 {
 605   surf_action_workstation_L07_t action = NULL;
 606
 607   XBT_IN2("(%s,%g)", ((cpu_L07_t) cpu)->name, duration);
 608
 609   action = (surf_action_workstation_L07_t) execute(cpu, 1.0);
 610   action->generic_action.max_duration = duration;
 611   action->suspended = 2;
 612   lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 613
 614   XBT_OUT;
 615   return (surf_action_t) action;
 616 }
 617
 618 /* returns an array of link_L07_t */
 619 static const void **get_route(void *src, void *dst)
 620 {
 621   cpu_L07_t card_src = src;
 622   cpu_L07_t card_dst = dst;
 623   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
 624
 625   return (const void **) route->links;
 626 }
 627
 628 static int get_route_size(void *src, void *dst)
 629 {
 630   cpu_L07_t card_src = src;
 631   cpu_L07_t card_dst = dst;
 632   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
 633   return route->size;
 634 }
 635
 636 static const char *get_link_name(const void *link)
 637 {
 638   return ((link_L07_t) link)->name;
 639 }
 640
 641 static double get_link_bandwidth(const void *link)
 642 {
 643   return ((link_L07_t) link)->bw_current;
 644 }
 645
 646 static double get_link_latency(const void *link)
 647 {
 648   return ((link_L07_t) link)->lat_current;
 649 }
 650
 651 static int link_shared(const void *link)
 652 {
 653   return lmm_constraint_is_shared(((link_L07_t) link)->constraint);
 654 }
 655
 656 /**************************************/
 657 /*** Resource Creation & Destruction **/
 658 /**************************************/
 659
 660 static void cpu_free(void *cpu)
 661 {
 662   free(((cpu_L07_t) cpu)->name);
 663   xbt_dict_free(&(((cpu_L07_t) cpu)->properties));
 664   free(cpu);
 665 }
 666
 667 static cpu_L07_t cpu_new(const char *name, double power_scale,
 668                          double power_initial,
 669                          tmgr_trace_t power_trace,
 670                          e_surf_cpu_state_t state_initial,
 671                          tmgr_trace_t state_trace, xbt_dict_t cpu_properties)
 672 {
 673   cpu_L07_t cpu = xbt_new0(s_cpu_L07_t, 1);
 674   xbt_assert1(!xbt_dict_get_or_null(workstation_set, name),
 675               "Host '%s' declared several times in the platform file.", name);
 676
 677   cpu->model = (surf_model_t) surf_workstation_model;
 678   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 679   cpu->name = xbt_strdup(name);
 680   cpu->id = nb_workstation++;
 681
 682   cpu->power_scale = power_scale;
 683   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 684
 685   cpu->power_current = power_initial;
 686   if (power_trace)
 687     cpu->power_event =
 688       tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 689
 690   cpu->state_current = state_initial;
 691   if (state_trace)
 692     cpu->state_event =
 693       tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 694
 695   cpu->constraint =
 696     lmm_constraint_new(ptask_maxmin_system, cpu,
 697                        cpu->power_current * cpu->power_scale);
 698
 699   /*add the property set */
 700   cpu->properties = current_property_set;
 701
 702   xbt_dict_set(workstation_set, name, cpu, cpu_free);
 703
 704   return cpu;
 705 }
 706
 707 static void create_routing_table(void)
 708 {
 709   routing_table = xbt_new0(s_route_L07_t, nb_workstation * nb_workstation);
 710 }
 711
 712 static void parse_cpu_init(void)
 713 {
 714   double power_scale = 0.0;
 715   double power_initial = 0.0;
 716   tmgr_trace_t power_trace = NULL;
 717   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
 718   tmgr_trace_t state_trace = NULL;
 719
 720   power_scale = get_cpu_power(A_surfxml_host_power);
 721   surf_parse_get_double(&power_initial, A_surfxml_host_availability);
 722   surf_parse_get_trace(&power_trace, A_surfxml_host_availability_file);
 723
 724   xbt_assert0((A_surfxml_host_state == A_surfxml_host_state_ON) ||
 725               (A_surfxml_host_state == A_surfxml_host_state_OFF),
 726               "Invalid state");
 727   if (A_surfxml_host_state == A_surfxml_host_state_ON)
 728     state_initial = SURF_CPU_ON;
 729   if (A_surfxml_host_state == A_surfxml_host_state_OFF)
 730     state_initial = SURF_CPU_OFF;
 731   surf_parse_get_trace(&state_trace, A_surfxml_host_state_file);
 732
 733   current_property_set = xbt_dict_new();
 734   cpu_new(A_surfxml_host_id, power_scale, power_initial, power_trace,
 735           state_initial, state_trace, current_property_set);
 736 }
 737
 738 static void link_free(void *nw_link)
 739 {
 740   free(((link_L07_t) nw_link)->name);
 741   xbt_dict_free(&(((link_L07_t) nw_link)->properties));
 742   free(nw_link);
 743 }
 744
 745 static link_L07_t link_new(char *name,
 746                            double bw_initial,
 747                            tmgr_trace_t bw_trace,
 748                            double lat_initial,
 749                            tmgr_trace_t lat_trace,
 750                            e_surf_link_state_t
 751                            state_initial,
 752                            tmgr_trace_t state_trace,
 753                            e_surf_link_sharing_policy_t
 754                            policy, xbt_dict_t properties)
 755 {
 756   link_L07_t nw_link = xbt_new0(s_link_L07_t, 1);
 757   xbt_assert1(!xbt_dict_get_or_null(link_set, name),
 758               "Link '%s' declared several times in the platform file.", name);
 759
 760   nw_link->model = (surf_model_t) surf_workstation_model;
 761   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 762   nw_link->name = name;
 763   nw_link->bw_current = bw_initial;
 764   if (bw_trace)
 765     nw_link->bw_event =
 766       tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 767   nw_link->state_current = state_initial;
 768   nw_link->lat_current = lat_initial;
 769   if (lat_trace)
 770     nw_link->lat_event =
 771       tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 772   if (state_trace)
 773     nw_link->state_event =
 774       tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 775
 776   nw_link->constraint =
 777     lmm_constraint_new(ptask_maxmin_system, nw_link, nw_link->bw_current);
 778
 779   if (policy == SURF_LINK_FATPIPE)
 780     lmm_constraint_shared(nw_link->constraint);
 781
 782   nw_link->properties = properties;
 783
 784   xbt_dict_set(link_set, name, nw_link, link_free);
 785
 786   return nw_link;
 787 }
 788
 789 static void parse_link_init(void)
 790 {
 791   char *name_link;
 792   double bw_initial;
 793   tmgr_trace_t bw_trace;
 794   double lat_initial;
 795   tmgr_trace_t lat_trace;
 796   e_surf_link_state_t state_initial_link = SURF_LINK_ON;
 797   e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
 798   tmgr_trace_t state_trace;
 799
 800   name_link = xbt_strdup(A_surfxml_link_id);
 801   surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
 802   surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file);
 803   surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
 804   surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file);
 805
 806   xbt_assert0((A_surfxml_link_state == A_surfxml_link_state_ON)
 807               || (A_surfxml_link_state ==
 808                   A_surfxml_link_state_OFF), "Invalid state");
 809   if (A_surfxml_link_state == A_surfxml_link_state_ON)
 810     state_initial_link = SURF_LINK_ON;
 811   else if (A_surfxml_link_state == A_surfxml_link_state_OFF)
 812     state_initial_link = SURF_LINK_OFF;
 813
 814   if (A_surfxml_link_sharing_policy == A_surfxml_link_sharing_policy_SHARED)
 815     policy_initial_link = SURF_LINK_SHARED;
 816   else if (A_surfxml_link_sharing_policy ==
 817            A_surfxml_link_sharing_policy_FATPIPE)
 818     policy_initial_link = SURF_LINK_FATPIPE;
 819
 820   surf_parse_get_trace(&state_trace, A_surfxml_link_state_file);
 821
 822   current_property_set = xbt_dict_new();
 823   link_new(name_link, bw_initial, bw_trace, lat_initial, lat_trace,
 824            state_initial_link, state_trace, policy_initial_link,
 825            current_property_set);
 826 }
 827
 828 static void route_new(int src_id, int dst_id,
 829                       link_L07_t * link_list, int nb_link)
 830 {
 831   route_L07_t route = &(ROUTE(src_id, dst_id));
 832
 833   route->size = nb_link;
 834   route->links = link_list =
 835     xbt_realloc(link_list, sizeof(link_L07_t) * nb_link);
 836 }
 837
 838
 839 static int src_id = -1;
 840 static int dst_id = -1;
 841
 842 static void parse_route_set_endpoints(void)
 843 {
 844   cpu_L07_t cpu_tmp = NULL;
 845
 846   cpu_tmp = (cpu_L07_t) name_service(A_surfxml_route_src);
 847   xbt_assert1(cpu_tmp, "Invalid cpu %s", A_surfxml_route_src);
 848   if (cpu_tmp != NULL)
 849     src_id = cpu_tmp->id;
 850
 851   cpu_tmp = (cpu_L07_t) name_service(A_surfxml_route_dst);
 852   xbt_assert1(cpu_tmp, "Invalid cpu %s", A_surfxml_route_dst);
 853   if (cpu_tmp != NULL)
 854     dst_id = cpu_tmp->id;
 855
 856   route_action = A_surfxml_route_action;
 857 }
 858
 859 static void parse_route_set_route(void)
 860 {
 861   char *name;
 862   if (src_id != -1 && dst_id != -1) {
 863     name = bprintf("%x#%x", src_id, dst_id);
 864     manage_route(route_table, name, route_action, 0);
 865     free(name);
 866   }
 867 }
 868
 869 static void add_loopback(void)
 870 {
 871   int i;
 872
 873   /* Adding loopback if needed */
 874   for (i = 0; i < nb_workstation; i++)
 875     if (!ROUTE(i, i).size) {
 876       if (!loopback)
 877         loopback = link_new(xbt_strdup("__MSG_loopback__"),
 878                             498000000, NULL, 0.000015, NULL,
 879                             SURF_LINK_ON, NULL, SURF_LINK_FATPIPE, NULL);
 880
 881       ROUTE(i, i).size = 1;
 882       ROUTE(i, i).links = xbt_new0(link_L07_t, 1);
 883       ROUTE(i, i).links[0] = loopback;
 884     }
 885 }
 886
 887 static void add_route(void)
 888 {
 889   xbt_ex_t e;
 890   int nb_link = 0;
 891   unsigned int cpt = 0;
 892   int link_list_capacity = 0;
 893   link_L07_t *link_list = NULL;
 894   xbt_dict_cursor_t cursor = NULL;
 895   char *key, *data, *end;
 896   const char *sep = "#";
 897   xbt_dynar_t links, keys;
 898   char *link = NULL;
 899
 900   if (routing_table == NULL)
 901     create_routing_table();
 902
 903   xbt_dict_foreach(route_table, cursor, key, data) {
 904     nb_link = 0;
 905     links = (xbt_dynar_t) data;
 906     keys = xbt_str_split_str(key, sep);
 907
 908     src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 16);
 909     dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16);
 910     xbt_dynar_free(&keys);
 911
 912     link_list_capacity = xbt_dynar_length(links);
 913     link_list = xbt_new(link_L07_t, link_list_capacity);
 914
 915
 916     xbt_dynar_foreach(links, cpt, link) {
 917       TRY {
 918         link_list[nb_link++] = xbt_dict_get(link_set, link);
 919       }
 920       CATCH(e) {
 921         RETHROW1("Link %s not found (dict raised this exception: %s)", link);
 922       }
 923     }
 924     route_new(src_id, dst_id, link_list, nb_link);
 925   }
 926 }
 927
 928 static void add_traces(void)
 929 {
 930   xbt_dict_cursor_t cursor = NULL;
 931   char *trace_name, *elm;
 932
 933   if (!trace_connect_list_host_avail)
 934     return;
 935
 936   /* Connect traces relative to cpu */
 937   xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
 938     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 939     cpu_L07_t host = xbt_dict_get_or_null(workstation_set, elm);
 940
 941     xbt_assert1(host, "Host %s undefined", elm);
 942     xbt_assert1(trace, "Trace %s undefined", trace_name);
 943
 944     host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 945   }
 946
 947   xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
 948     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 949     cpu_L07_t host = xbt_dict_get_or_null(workstation_set, elm);
 950
 951     xbt_assert1(host, "Host %s undefined", elm);
 952     xbt_assert1(trace, "Trace %s undefined", trace_name);
 953
 954     host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 955   }
 956
 957   /* Connect traces relative to network */
 958   xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
 959     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 960     link_L07_t link = xbt_dict_get_or_null(link_set, elm);
 961
 962     xbt_assert1(link, "Link %s undefined", elm);
 963     xbt_assert1(trace, "Trace %s undefined", trace_name);
 964
 965     link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 966   }
 967
 968   xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
 969     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 970     link_L07_t link = xbt_dict_get_or_null(link_set, elm);
 971
 972     xbt_assert1(link, "Link %s undefined", elm);
 973     xbt_assert1(trace, "Trace %s undefined", trace_name);
 974
 975     link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 976   }
 977
 978   xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
 979     tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 980     link_L07_t link = xbt_dict_get_or_null(link_set, elm);
 981
 982     xbt_assert1(link, "Link %s undefined", elm);
 983     xbt_assert1(trace, "Trace %s undefined", trace_name);
 984
 985     link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 986   }
 987 /*
 988
 989    xbt_dynar_foreach (traces_connect_list, cpt, value) {
 990      trace_connect = xbt_str_split_str(value, "#");
 991      trace_id        = xbt_dynar_get_as(trace_connect, 0, char*);
 992      connect_element = atoi(xbt_dynar_get_as(trace_connect, 1, char*));
 993      connect_kind    = atoi(xbt_dynar_get_as(trace_connect, 2, char*));
 994      connector_id    = xbt_dynar_get_as(trace_connect, 3, char*);
 995
 996      xbt_assert1((trace = xbt_dict_get_or_null(traces_set_list, trace_id)), "Trace %s undefined", trace_id);
 997
 998      if (connect_element == A_surfxml_trace_c_connect_element_HOST) {
 999         xbt_assert1((host = xbt_dict_get_or_null(workstation_set, connector_id)), "Host %s undefined", connector_id);
1000         switch (connect_kind) {
1001            case A_surfxml_trace_c_connect_kind_AVAILABILITY: host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host); break;
1002            case A_surfxml_trace_c_connect_kind_POWER: host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host); break;
1003         }
1004      }
1005      else {
1006         xbt_assert1((link = xbt_dict_get_or_null(link_set, connector_id)), "Link %s undefined", connector_id);
1007         switch (connect_kind) {
1008            case A_surfxml_trace_c_connect_kind_AVAILABILITY: link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
1009            case A_surfxml_trace_c_connect_kind_BANDWIDTH: link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
1010            case A_surfxml_trace_c_connect_kind_LATENCY: link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
1011         }
1012      }
1013    }
1014 */
1015 }
1016
1017 static void define_callbacks(const char *file)
1018 {
1019   /* Adding callback functions */
1020   surf_parse_reset_parser();
1021   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_cpu_init);
1022   surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init);
1023   surfxml_add_callback(STag_surfxml_route_cb_list,
1024                        &parse_route_set_endpoints);
1025   surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route);
1026   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_route);
1027   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_loopback);
1028   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces);
1029 }
1030
1031
1032 /**************************************/
1033 /********* Module  creation ***********/
1034 /**************************************/
1035
1036 static void model_init_internal(void)
1037 {
1038   surf_workstation_model = xbt_new0(s_surf_workstation_model_t, 1);
1039
1040   surf_model_init((surf_model_t)surf_workstation_model);
1041   surf_workstation_model->extension_public =
1042     xbt_new0(s_surf_workstation_model_extension_public_t, 1);
1043
1044   surf_workstation_model->common_public.name_service = name_service;
1045   surf_workstation_model->common_public.get_resource_name =
1046     get_resource_name;
1047   surf_workstation_model->common_public.action_get_state =
1048     surf_action_get_state;
1049   surf_workstation_model->common_public.action_get_start_time =
1050     surf_action_get_start_time;
1051   surf_workstation_model->common_public.action_get_finish_time =
1052     surf_action_get_finish_time;
1053   surf_workstation_model->common_public.action_use = action_use;
1054   surf_workstation_model->common_public.action_free = action_free;
1055   surf_workstation_model->common_public.action_cancel = action_cancel;
1056   surf_workstation_model->common_public.action_change_state =
1057     surf_action_change_state;
1058   surf_workstation_model->common_public.action_set_data =
1059     surf_action_set_data;
1060   surf_workstation_model->common_public.suspend = action_suspend;
1061   surf_workstation_model->common_public.resume = action_resume;
1062   surf_workstation_model->common_public.is_suspended = action_is_suspended;
1063   surf_workstation_model->common_public.set_max_duration =
1064     action_set_max_duration;
1065   surf_workstation_model->common_public.set_priority = action_set_priority;
1066   surf_workstation_model->common_public.name = "Workstation ptask_L07";
1067
1068   surf_workstation_model->common_private->resource_used = resource_used;
1069   surf_workstation_model->common_private->share_resources = share_resources;
1070   surf_workstation_model->common_private->update_actions_state =
1071     update_actions_state;
1072   surf_workstation_model->common_private->update_resource_state =
1073     update_resource_state;
1074   surf_workstation_model->common_private->finalize = finalize;
1075
1076   surf_workstation_model->extension_public->execute = execute;
1077   surf_workstation_model->extension_public->sleep = action_sleep;
1078   surf_workstation_model->extension_public->get_state = resource_get_state;
1079   surf_workstation_model->extension_public->get_speed = get_speed;
1080   surf_workstation_model->extension_public->get_available_speed =
1081     get_available_speed;
1082   surf_workstation_model->extension_public->communicate = communicate;
1083   surf_workstation_model->extension_public->execute_parallel_task =
1084     execute_parallel_task;
1085   surf_workstation_model->extension_public->get_route = get_route;
1086   surf_workstation_model->extension_public->get_route_size = get_route_size;
1087   surf_workstation_model->extension_public->get_link_name = get_link_name;
1088   surf_workstation_model->extension_public->get_link_bandwidth =
1089     get_link_bandwidth;
1090   surf_workstation_model->extension_public->get_link_latency =
1091     get_link_latency;
1092   surf_workstation_model->extension_public->link_shared = link_shared;
1093
1094   surf_workstation_model->common_public.get_properties = get_properties;
1095
1096   workstation_set = xbt_dict_new();
1097   link_set = xbt_dict_new();
1098
1099   if (!ptask_maxmin_system)
1100     ptask_maxmin_system = lmm_system_new();
1101 }
1102
1103 /**************************************/
1104 /*************** Generic **************/
1105 /**************************************/
1106 void surf_workstation_model_init_ptask_L07(const char *filename)
1107 {
1108   xbt_assert0(!surf_cpu_model, "CPU model type already defined");
1109   xbt_assert0(!surf_network_model, "network model type already defined");
1110   model_init_internal();
1111   define_callbacks(filename);
1112
1113   update_model_description(surf_workstation_model_description,
1114                            "ptask_L07",
1115                            (surf_model_t) surf_workstation_model);
1116   xbt_dynar_push(model_list, &surf_workstation_model);
1117 }