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/dict.h"
  10 #include "surf_private.h"
  11 /* extern lmm_system_t maxmin_system; */
  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=MAX(lat_current,lat*action->communication_amount[i * workstation_nb + j]);
 105       }
 106     }
 107   }
 108   lat_bound = SG_TCP_CTE_GAMMA / (2.0 * lat_current);
 109   DEBUG2("action (%p) : lat_bound = %g", action, lat_bound);
 110   if ((action->latency == 0.0) && (action->suspended == 0)) {
 111     if (action->rate < 0)
 112       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 113                                 lat_bound);
 114     else
 115       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 116                                 min(action->rate,lat_bound));
 117   }
 118 }
 119
 120 /**************************************/
 121 /******* Resource Public     **********/
 122 /**************************************/
 123
 124 static void *name_service(const char *name)
 125 {
 126   return xbt_dict_get_or_null(workstation_set, name);
 127 }
 128
 129 static const char *get_resource_name(void *resource_id)
 130 {
 131   /* We can freely cast as a cpu_L07_t because it has the same
 132      prefix as link_L07_t. However, only cpu_L07_t
 133      will theoretically be given as an argument here. */
 134
 135   return ((cpu_L07_t) resource_id)->name;
 136 }
 137 static xbt_dict_t get_properties(void *r) {
 138   /* We can freely cast as a cpu_L07_t since it has the same prefix than link_L07_t */
 139  return ((cpu_L07_t) r)->properties;
 140 }
 141
 142 /* action_get_state is inherited from the surf module */
 143
 144 static void action_use(surf_action_t action)
 145 {
 146   action->using++;
 147   return;
 148 }
 149
 150 static int action_free(surf_action_t action)
 151 {
 152   action->using--;
 153
 154   if (!action->using) {
 155     xbt_swag_remove(action, action->state_set);
 156     if (((surf_action_workstation_L07_t) action)->variable)
 157       lmm_variable_free(ptask_maxmin_system,
 158                         ((surf_action_workstation_L07_t) action)->
 159                         variable);
 160     free(((surf_action_workstation_L07_t)action)->workstation_list);
 161     free(((surf_action_workstation_L07_t)action)->communication_amount);
 162     free(((surf_action_workstation_L07_t)action)->computation_amount);
 163     free(action);
 164     return 1;
 165   }
 166   return 0;
 167 }
 168
 169 static void action_cancel(surf_action_t action)
 170 {
 171   surf_action_change_state(action, SURF_ACTION_FAILED);
 172   return;
 173 }
 174
 175 static void action_recycle(surf_action_t action)
 176 {
 177   DIE_IMPOSSIBLE;
 178   return;
 179 }
 180
 181 /* action_change_state is inherited from the surf module */
 182 /* action_set_data is inherited from the surf module */
 183
 184 static void action_suspend(surf_action_t action)
 185 {
 186   XBT_IN1("(%p))", action);
 187   if (((surf_action_workstation_L07_t) action)->suspended != 2) {
 188     ((surf_action_workstation_L07_t) action)->suspended = 1;
 189     lmm_update_variable_weight(ptask_maxmin_system,
 190                                ((surf_action_workstation_L07_t)
 191                                 action)->variable, 0.0);
 192   }
 193   XBT_OUT;
 194 }
 195
 196 static void action_resume(surf_action_t action)
 197 {
 198   surf_action_workstation_L07_t act = (surf_action_workstation_L07_t) action;
 199
 200   XBT_IN1("(%p)", act);
 201   if (act->suspended != 2) {
 202     lmm_update_variable_weight(ptask_maxmin_system,act->variable, 1.0);
 203     act->suspended = 0;
 204   }
 205   XBT_OUT;
 206 }
 207
 208 static int action_is_suspended(surf_action_t action)
 209 {
 210   return (((surf_action_workstation_L07_t) action)->suspended == 1);
 211 }
 212
 213 static void action_set_max_duration(surf_action_t action, double duration)
 214 {                               /* FIXME: should inherit */
 215   XBT_IN2("(%p,%g)", action, duration);
 216   action->max_duration = duration;
 217   XBT_OUT;
 218 }
 219
 220
 221 static void action_set_priority(surf_action_t action, double priority)
 222 {                               /* FIXME: should inherit */
 223   XBT_IN2("(%p,%g)", action, priority);
 224   action->priority = priority;
 225   XBT_OUT;
 226 }
 227
 228 /**************************************/
 229 /******* Resource Private    **********/
 230 /**************************************/
 231
 232 static int resource_used(void *resource_id)
 233 {
 234   /* We can freely cast as a link_L07_t because it has
 235      the same prefix as cpu_L07_t */
 236   return lmm_constraint_used(ptask_maxmin_system,
 237                              ((link_L07_t) resource_id)->
 238                              constraint);
 239
 240 }
 241
 242 static double share_resources(double now)
 243 {
 244   s_surf_action_workstation_L07_t s_action;
 245   surf_action_workstation_L07_t action = NULL;
 246
 247   xbt_swag_t running_actions =
 248       surf_workstation_model->common_public->states.running_action_set;
 249   double min = generic_maxmin_share_resources(running_actions,
 250                                               xbt_swag_offset(s_action,
 251                                                               variable),
 252                                               ptask_maxmin_system,
 253                                               bottleneck_solve);
 254
 255   xbt_swag_foreach(action, running_actions) {
 256     if (action->latency > 0) {
 257       if (min < 0) {
 258         min = action->latency;
 259         DEBUG3("Updating min (value) with %p (start %f): %f", action,
 260                action->generic_action.start, min);
 261       } else if (action->latency < min) {
 262         min = action->latency;
 263         DEBUG3("Updating min (latency) with %p (start %f): %f", action,
 264                action->generic_action.start, min);
 265       }
 266     }
 267   }
 268
 269   DEBUG1("min value : %f", min);
 270
 271   return min;
 272 }
 273
 274 static void update_actions_state(double now, double delta)
 275 {
 276   double deltap = 0.0;
 277   surf_action_workstation_L07_t action = NULL;
 278   surf_action_workstation_L07_t next_action = NULL;
 279   xbt_swag_t running_actions =
 280       surf_workstation_model->common_public->states.running_action_set;
 281
 282   xbt_swag_foreach_safe(action, next_action, running_actions) {
 283     deltap = delta;
 284     if (action->latency > 0) {
 285       if (action->latency > deltap) {
 286         double_update(&(action->latency), deltap);
 287         deltap = 0.0;
 288       } else {
 289         double_update(&(deltap), action->latency);
 290         action->latency = 0.0;
 291       }
 292       if ((action->latency == 0.0) && (action->suspended == 0)) {
 293         update_action_bound(action);
 294         lmm_update_variable_weight(ptask_maxmin_system,action->variable, 1.0);
 295       }
 296     }
 297     DEBUG3("Action (%p) : remains (%g) updated by %g.",
 298            action, action->generic_action.remains,
 299            lmm_variable_getvalue(action->variable) * delta);
 300     double_update(&(action->generic_action.remains),
 301                   lmm_variable_getvalue(action->variable) * delta);
 302
 303     if (action->generic_action.max_duration != NO_MAX_DURATION)
 304       double_update(&(action->generic_action.max_duration), delta);
 305
 306     DEBUG2("Action (%p) : remains (%g).",
 307            action, action->generic_action.remains);
 308     if ((action->generic_action.remains <= 0) &&
 309         (lmm_get_variable_weight(action->variable) > 0)) {
 310       action->generic_action.finish = surf_get_clock();
 311       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 312     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 313                (action->generic_action.max_duration <= 0)) {
 314       action->generic_action.finish = surf_get_clock();
 315       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 316     } else {
 317       /* Need to check that none of the model has failed */
 318       lmm_constraint_t cnst = NULL;
 319       int i = 0;
 320       void *constraint_id = NULL;
 321
 322       while ((cnst =
 323               lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
 324                                     i++))) {
 325         constraint_id = lmm_constraint_id(cnst);
 326
 327 /*      if(((link_L07_t)constraint_id)->type== */
 328 /*         SURF_WORKSTATION_RESOURCE_LINK) { */
 329 /*        DEBUG2("Checking for link %s (%p)", */
 330 /*               ((link_L07_t)constraint_id)->name, */
 331 /*               ((link_L07_t)constraint_id)); */
 332 /*      } */
 333 /*      if(((cpu_L07_t)constraint_id)->type== */
 334 /*         SURF_WORKSTATION_RESOURCE_CPU) { */
 335 /*        DEBUG3("Checking for cpu %s (%p) : %s", */
 336 /*               ((cpu_L07_t)constraint_id)->name, */
 337 /*               ((cpu_L07_t)constraint_id), */
 338 /*               ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
 339 /*      } */
 340
 341         if (((((link_L07_t) constraint_id)->type ==
 342               SURF_WORKSTATION_RESOURCE_LINK) &&
 343              (((link_L07_t) constraint_id)->state_current ==
 344               SURF_LINK_OFF)) ||
 345             ((((cpu_L07_t) constraint_id)->type ==
 346               SURF_WORKSTATION_RESOURCE_CPU) &&
 347              (((cpu_L07_t) constraint_id)->state_current ==
 348               SURF_CPU_OFF))) {
 349           DEBUG1("Action (%p) Failed!!", action);
 350           action->generic_action.finish = surf_get_clock();
 351           surf_action_change_state((surf_action_t) action,
 352                                    SURF_ACTION_FAILED);
 353           break;
 354         }
 355       }
 356     }
 357   }
 358   return;
 359 }
 360
 361 static void update_resource_state(void *id,
 362                                   tmgr_trace_event_t event_type,
 363                                   double value)
 364 {
 365   cpu_L07_t cpu = id;
 366   link_L07_t nw_link = id;
 367
 368   if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 369     DEBUG2("Updating link %s (%p)", nw_link->name, nw_link);
 370     if (event_type == nw_link->bw_event) {
 371       nw_link->bw_current = value;
 372       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
 373                                   nw_link->bw_current);
 374     } else if (event_type == nw_link->lat_event) {
 375       lmm_variable_t var = NULL;
 376       surf_action_workstation_L07_t action = NULL;
 377
 378       nw_link->lat_current = value;
 379       while (lmm_get_var_from_cnst
 380              (ptask_maxmin_system, nw_link->constraint, &var)) {
 381
 382
 383         action = lmm_variable_id(var);
 384         update_action_bound(action);
 385       }
 386
 387     } else if (event_type == nw_link->state_event) {
 388       if (value > 0)
 389         nw_link->state_current = SURF_LINK_ON;
 390       else
 391         nw_link->state_current = SURF_LINK_OFF;
 392     } else {
 393       CRITICAL0("Unknown event ! \n");
 394       xbt_abort();
 395     }
 396     return;
 397   } else if (cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 398     DEBUG3("Updating cpu %s (%p) with value %g", cpu->name, cpu, value);
 399     if (event_type == cpu->power_event) {
 400       cpu->power_current = value;
 401       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
 402                                   cpu->power_current);
 403     } else if (event_type == cpu->state_event) {
 404       if (value > 0)
 405         cpu->state_current = SURF_CPU_ON;
 406       else
 407         cpu->state_current = SURF_CPU_OFF;
 408     } else {
 409       CRITICAL0("Unknown event ! \n");
 410       xbt_abort();
 411     }
 412     return;
 413   } else {
 414     DIE_IMPOSSIBLE;
 415   }
 416   return;
 417 }
 418
 419 static void finalize(void)
 420 {
 421   int i, j;
 422
 423   xbt_dict_free(&link_set);
 424   xbt_dict_free(&workstation_set);
 425   if (parallel_task_link_set != NULL) {
 426     xbt_dict_free(&parallel_task_link_set);
 427   }
 428   xbt_swag_free(surf_workstation_model->common_public->states.
 429                 ready_action_set);
 430   xbt_swag_free(surf_workstation_model->common_public->states.
 431                 running_action_set);
 432   xbt_swag_free(surf_workstation_model->common_public->states.
 433                 failed_action_set);
 434   xbt_swag_free(surf_workstation_model->common_public->states.
 435                 done_action_set);
 436
 437   free(surf_workstation_model->common_public);
 438   free(surf_workstation_model->common_private);
 439   free(surf_workstation_model->extension_public);
 440
 441   free(surf_workstation_model);
 442   surf_workstation_model = NULL;
 443
 444   for (i = 0; i < nb_workstation; i++)
 445     for (j = 0; j < nb_workstation; j++)
 446       free(ROUTE(i, j).links);
 447   free(routing_table);
 448   routing_table = NULL;
 449   nb_workstation = 0;
 450
 451   if (ptask_maxmin_system) {
 452     lmm_system_free(ptask_maxmin_system);
 453     ptask_maxmin_system = NULL;
 454   }
 455 }
 456
 457 /**************************************/
 458 /******* Resource Private    **********/
 459 /**************************************/
 460
 461 static e_surf_cpu_state_t resource_get_state(void *cpu)
 462 {
 463   return ((cpu_L07_t) cpu)->state_current;
 464 }
 465
 466 static double get_speed(void *cpu, double load)
 467 {
 468   return load * (((cpu_L07_t) cpu)->power_scale);
 469 }
 470
 471 static double get_available_speed(void *cpu)
 472 {
 473   return ((cpu_L07_t) cpu)->power_current;
 474 }
 475
 476 static surf_action_t execute_parallel_task(int workstation_nb,
 477                                            void **workstation_list,
 478                                            double *computation_amount,
 479                                            double *communication_amount,
 480                                            double amount, double rate)
 481 {
 482   surf_action_workstation_L07_t action = NULL;
 483   int i, j, k;
 484   int nb_link = 0;
 485   int nb_host = 0;
 486   double latency = 0.0;
 487
 488   if (parallel_task_link_set == NULL)
 489     parallel_task_link_set = xbt_dict_new();
 490
 491   xbt_dict_reset(parallel_task_link_set);
 492
 493   /* Compute the number of affected resources... */
 494   for (i = 0; i < workstation_nb; i++) {
 495     for (j = 0; j < workstation_nb; j++) {
 496       cpu_L07_t card_src = workstation_list[i];
 497       cpu_L07_t card_dst = workstation_list[j];
 498       int route_size = ROUTE(card_src->id, card_dst->id).size;
 499       link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
 500       double lat = 0.0;
 501
 502       if (communication_amount[i * workstation_nb + j] > 0)
 503         for (k = 0; k < route_size; k++) {
 504           lat += route[k]->lat_current;
 505           xbt_dict_set(parallel_task_link_set, route[k]->name,
 506                        route[k], NULL);
 507         }
 508       latency=MAX(latency,lat);
 509     }
 510   }
 511
 512   nb_link = xbt_dict_length(parallel_task_link_set);
 513   xbt_dict_reset(parallel_task_link_set);
 514
 515   for (i = 0; i < workstation_nb; i++)
 516     if (computation_amount[i] > 0)
 517       nb_host++;
 518
 519   action = xbt_new0(s_surf_action_workstation_L07_t, 1);
 520   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
 521          action, workstation_nb, nb_link);
 522   action->generic_action.using = 1;
 523   action->generic_action.cost = amount;
 524   action->generic_action.remains = amount;
 525   action->generic_action.max_duration = NO_MAX_DURATION;
 526   action->generic_action.start = surf_get_clock();
 527   action->generic_action.finish = -1.0;
 528   action->generic_action.model_type =
 529       (surf_model_t) surf_workstation_model;
 530   action->suspended = 0;        /* Should be useless because of the
 531                                    calloc but it seems to help valgrind... */
 532   action->workstation_nb = workstation_nb;
 533   action->workstation_list = (cpu_L07_t *)workstation_list;
 534   action->computation_amount = computation_amount;
 535   action->communication_amount = communication_amount;
 536   action->latency = latency;
 537   action->generic_action.state_set =
 538       surf_workstation_model->common_public->states.running_action_set;
 539
 540   xbt_swag_insert(action, action->generic_action.state_set);
 541   action->rate = rate;
 542
 543   if (action->rate > 0)
 544     action->variable =
 545         lmm_variable_new(ptask_maxmin_system, action, 1.0, -1.0,
 546                          workstation_nb + nb_link);
 547   else
 548     action->variable =
 549         lmm_variable_new(ptask_maxmin_system, action, 1.0, action->rate,
 550                          workstation_nb + nb_link);
 551
 552   if (action->latency > 0)
 553     lmm_update_variable_weight(ptask_maxmin_system,action->variable,0.0);
 554
 555   for (i = 0; i < workstation_nb; i++)
 556     lmm_expand(ptask_maxmin_system,
 557                ((cpu_L07_t) workstation_list[i])->constraint,
 558                action->variable, computation_amount[i]);
 559
 560   for (i = 0; i < workstation_nb; i++) {
 561     for (j = 0; j < workstation_nb; j++) {
 562       cpu_L07_t card_src = workstation_list[i];
 563       cpu_L07_t card_dst = workstation_list[j];
 564       int route_size = ROUTE(card_src->id, card_dst->id).size;
 565       link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
 566
 567       if (communication_amount[i * workstation_nb + j] == 0.0)
 568         continue;
 569       for (k = 0; k < route_size; k++) {
 570           lmm_expand_add(ptask_maxmin_system, route[k]->constraint,
 571                          action->variable,
 572                          communication_amount[i * workstation_nb + j]);
 573       }
 574     }
 575   }
 576
 577   if (nb_link + nb_host == 0) {
 578     action->generic_action.cost = 1.0;
 579     action->generic_action.remains = 0.0;
 580   }
 581
 582   return (surf_action_t) action;
 583 }
 584
 585 static surf_action_t execute(void *cpu, double size)
 586 {
 587   void **workstation_list = xbt_new0(void *, 1);
 588   double *computation_amount = xbt_new0(double, 1);
 589   double *communication_amount = xbt_new0(double, 1);
 590
 591   workstation_list[0] = cpu;
 592   communication_amount[0] = 0.0;
 593   computation_amount[0] = size;
 594
 595   return execute_parallel_task(1, workstation_list, computation_amount,
 596                                communication_amount, 1, -1);
 597 }
 598
 599 static surf_action_t communicate(void *src, void *dst, double size,
 600                                  double rate)
 601 {
 602   void **workstation_list = xbt_new0(void *, 2);
 603   double *computation_amount = xbt_new0(double, 2);
 604   double *communication_amount = xbt_new0(double, 4);
 605   surf_action_t res = NULL;
 606
 607   workstation_list[0] = src;
 608   workstation_list[1] = dst;
 609   communication_amount[1] = size;
 610
 611   res = execute_parallel_task(2, workstation_list,
 612                               computation_amount, communication_amount,
 613                               1, rate);
 614
 615   return res;
 616 }
 617
 618 static surf_action_t action_sleep(void *cpu, double duration)
 619 {
 620   surf_action_workstation_L07_t action = NULL;
 621
 622   XBT_IN2("(%s,%g)", ((cpu_L07_t) cpu)->name, duration);
 623
 624   action = (surf_action_workstation_L07_t) execute(cpu, 1.0);
 625   action->generic_action.max_duration = duration;
 626   action->suspended = 2;
 627   lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 628
 629   XBT_OUT;
 630   return (surf_action_t) action;
 631 }
 632
 633 /* returns an array of link_L07_t */
 634 static const void **get_route(void *src, void *dst)
 635 {
 636   cpu_L07_t card_src = src;
 637   cpu_L07_t card_dst = dst;
 638   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
 639
 640   return (const void **) route->links;
 641 }
 642
 643 static int get_route_size(void *src, void *dst)
 644 {
 645   cpu_L07_t card_src = src;
 646   cpu_L07_t card_dst = dst;
 647   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
 648   return route->size;
 649 }
 650
 651 static const char *get_link_name(const void *link)
 652 {
 653   return ((link_L07_t) link)->name;
 654 }
 655
 656 static double get_link_bandwidth(const void *link)
 657 {
 658   return ((link_L07_t) link)->bw_current;
 659 }
 660
 661 static double get_link_latency(const void *link)
 662 {
 663   return ((link_L07_t) link)->lat_current;
 664 }
 665
 666
 667 /**************************************/
 668 /*** Resource Creation & Destruction **/
 669 /**************************************/
 670
 671 static void cpu_free(void *cpu)
 672 {
 673   free(((cpu_L07_t) cpu)->name);
 674   free(cpu);
 675 }
 676
 677 static cpu_L07_t cpu_new(const char *name, double power_scale,
 678                          double power_initial,
 679                          tmgr_trace_t power_trace,
 680                          e_surf_cpu_state_t state_initial,
 681                          tmgr_trace_t state_trace,
 682                          xbt_dict_t cpu_properties)
 683 {
 684   cpu_L07_t cpu = xbt_new0(s_cpu_L07_t, 1);
 685   xbt_assert1(! xbt_dict_get_or_null(workstation_set, name),
 686               "Host '%s' declared several times in the platform file.",name);
 687
 688   cpu->model = (surf_model_t) surf_workstation_model;
 689   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 690   cpu->name = xbt_strdup(name);
 691   cpu->id = nb_workstation++;
 692
 693   cpu->power_scale = power_scale;
 694   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 695
 696   cpu->power_current = power_initial;
 697   if (power_trace)
 698     cpu->power_event =
 699         tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 700
 701   cpu->state_current = state_initial;
 702   if (state_trace)
 703     cpu->state_event =
 704         tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 705
 706   cpu->constraint =
 707       lmm_constraint_new(ptask_maxmin_system, cpu,
 708                          cpu->power_current * cpu->power_scale);
 709
 710   /*add the property set*/
 711   cpu->properties =  current_property_set;
 712
 713   xbt_dict_set(workstation_set, name, cpu, cpu_free);
 714
 715   return cpu;
 716 }
 717
 718 static void create_routing_table(void)
 719 {
 720    routing_table = xbt_new0(s_route_L07_t, nb_workstation * nb_workstation);
 721 }
 722
 723 static void parse_cpu_init(void)
 724 {
 725   double power_scale = 0.0;
 726   double power_initial = 0.0;
 727   tmgr_trace_t power_trace = NULL;
 728   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
 729   tmgr_trace_t state_trace = NULL;
 730
 731   power_scale = get_cpu_power(A_surfxml_host_power);
 732   surf_parse_get_double(&power_initial, A_surfxml_host_availability);
 733   surf_parse_get_trace(&power_trace, A_surfxml_host_availability_file);
 734
 735   xbt_assert0((A_surfxml_host_state == A_surfxml_host_state_ON) ||
 736               (A_surfxml_host_state == A_surfxml_host_state_OFF),
 737               "Invalid state");
 738   if (A_surfxml_host_state == A_surfxml_host_state_ON)
 739     state_initial = SURF_CPU_ON;
 740   if (A_surfxml_host_state == A_surfxml_host_state_OFF)
 741     state_initial = SURF_CPU_OFF;
 742   surf_parse_get_trace(&state_trace, A_surfxml_host_state_file);
 743
 744   current_property_set = xbt_dict_new();
 745   cpu_new(A_surfxml_host_id, power_scale, power_initial, power_trace,
 746           state_initial, state_trace,current_property_set);
 747 }
 748
 749 static void link_free(void *nw_link)
 750 {
 751   free(((link_L07_t) nw_link)->name);
 752   free(nw_link);
 753 }
 754
 755 static link_L07_t link_new(char *name,
 756                            double bw_initial,
 757                            tmgr_trace_t bw_trace,
 758                            double lat_initial,
 759                            tmgr_trace_t lat_trace,
 760                            e_surf_link_state_t
 761                            state_initial,
 762                            tmgr_trace_t state_trace,
 763                            e_surf_link_sharing_policy_t
 764                            policy, xbt_dict_t properties)
 765 {
 766   link_L07_t nw_link = xbt_new0(s_link_L07_t, 1);
 767   xbt_assert1(! xbt_dict_get_or_null(link_set, name),
 768               "Link '%s' declared several times in the platform file.",name);
 769
 770   nw_link->model = (surf_model_t) surf_workstation_model;
 771   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 772   nw_link->name = name;
 773   nw_link->bw_current = bw_initial;
 774   if (bw_trace)
 775     nw_link->bw_event =
 776         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 777   nw_link->state_current = state_initial;
 778   nw_link->lat_current = lat_initial;
 779   if (lat_trace)
 780     nw_link->lat_event =
 781         tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 782   if (state_trace)
 783     nw_link->state_event =
 784         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 785
 786   nw_link->constraint =
 787       lmm_constraint_new(ptask_maxmin_system, nw_link,
 788                          nw_link->bw_current);
 789
 790   if (policy == SURF_LINK_FATPIPE)
 791     lmm_constraint_shared(nw_link->constraint);
 792
 793   nw_link->properties = properties;
 794
 795   xbt_dict_set(link_set, name, nw_link, link_free);
 796
 797   return nw_link;
 798 }
 799
 800 static void parse_link_init(void)
 801 {
 802   char *name_link;
 803   double bw_initial;
 804   tmgr_trace_t bw_trace;
 805   double lat_initial;
 806   tmgr_trace_t lat_trace;
 807   e_surf_link_state_t state_initial_link = SURF_LINK_ON;
 808   e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
 809   tmgr_trace_t state_trace;
 810
 811   name_link = xbt_strdup(A_surfxml_link_id);
 812   surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
 813   surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file);
 814   surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
 815   surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file);
 816
 817   xbt_assert0((A_surfxml_link_state ==
 818                A_surfxml_link_state_ON)
 819               || (A_surfxml_link_state ==
 820                   A_surfxml_link_state_OFF), "Invalid state");
 821   if (A_surfxml_link_state == A_surfxml_link_state_ON)
 822     state_initial_link = SURF_LINK_ON;
 823   else if (A_surfxml_link_state ==
 824            A_surfxml_link_state_OFF)
 825     state_initial_link = SURF_LINK_OFF;
 826
 827   if (A_surfxml_link_sharing_policy ==
 828       A_surfxml_link_sharing_policy_SHARED)
 829     policy_initial_link = SURF_LINK_SHARED;
 830   else if (A_surfxml_link_sharing_policy ==
 831            A_surfxml_link_sharing_policy_FATPIPE)
 832     policy_initial_link = SURF_LINK_FATPIPE;
 833
 834   surf_parse_get_trace(&state_trace, A_surfxml_link_state_file);
 835
 836   current_property_set = xbt_dict_new();
 837   link_new(name_link, bw_initial, bw_trace, lat_initial, lat_trace,
 838                    state_initial_link, state_trace, policy_initial_link, current_property_set);
 839  }
 840
 841 static void route_new(int src_id, int dst_id,
 842                       link_L07_t * link_list , int nb_link)
 843 {
 844   route_L07_t route = &(ROUTE(src_id, dst_id));
 845
 846   route->size = nb_link;
 847   route->links = link_list = xbt_realloc(link_list, sizeof(link_L07_t) * nb_link);
 848 }
 849
 850
 851 static int src_id = -1;
 852 static int dst_id = -1;
 853
 854 static void parse_route_set_endpoints(void)
 855 {
 856   cpu_L07_t cpu_tmp = NULL;
 857
 858   cpu_tmp = (cpu_L07_t) name_service(A_surfxml_route_src);
 859   xbt_assert1(cpu_tmp, "Invalid cpu %s", A_surfxml_route_src);
 860   if (cpu_tmp != NULL)
 861     src_id = cpu_tmp->id;
 862
 863   cpu_tmp = (cpu_L07_t) name_service(A_surfxml_route_dst);
 864   xbt_assert1(cpu_tmp, "Invalid cpu %s", A_surfxml_route_dst);
 865   if (cpu_tmp != NULL)
 866     dst_id = cpu_tmp->id;
 867
 868   route_action = A_surfxml_route_action;
 869
 870   route_link_list = xbt_dynar_new(sizeof(char*), &free_string);
 871 }
 872
 873 static void parse_route_set_route(void)
 874 {
 875   char* name;
 876   if (src_id != -1 && dst_id != -1) {
 877      name = bprintf("%x#%x",src_id, dst_id);
 878
 879      manage_route(route_table, name, route_action, 0);
 880      free(name);
 881   }
 882 }
 883
 884 static void add_loopback(void)
 885 {
 886   int i;
 887
 888   /* Adding loopback if needed */
 889   for (i = 0; i < nb_workstation; i++)
 890     if (!ROUTE(i, i).size) {
 891       if (!loopback)
 892         loopback = link_new(xbt_strdup("__MSG_loopback__"),
 893                                     498000000, NULL, 0.000015, NULL,
 894                                     SURF_LINK_ON, NULL,
 895                                     SURF_LINK_FATPIPE,NULL);
 896
 897       ROUTE(i, i).size = 1;
 898       ROUTE(i, i).links = xbt_new0(link_L07_t, 1);
 899       ROUTE(i, i).links[0] = loopback;
 900     }
 901 }
 902
 903 static void add_route(void)
 904 {
 905     xbt_ex_t e;
 906     int nb_link = 0;
 907     unsigned int cpt = 0;
 908     int link_list_capacity = 0;
 909     link_L07_t *link_list = NULL;
 910     xbt_dict_cursor_t cursor = NULL;
 911     char *key,*data, *end;
 912     const char *sep = "#";
 913     xbt_dynar_t links, keys;
 914         char* link = NULL;
 915
 916     if (routing_table == NULL) create_routing_table();
 917
 918     xbt_dict_foreach(route_table, cursor, key, data) {
 919        nb_link = 0;
 920        links = (xbt_dynar_t)data;
 921        keys = xbt_str_split_str(key, sep);
 922
 923        src_id = strtol(xbt_dynar_get_as(keys, 0, char*), &end, 16);
 924        dst_id = strtol(xbt_dynar_get_as(keys, 1, char*), &end, 16);
 925
 926        link_list_capacity = xbt_dynar_length(links);
 927        link_list = xbt_new(link_L07_t, link_list_capacity);
 928
 929
 930        xbt_dynar_foreach (links, cpt, link) {
 931          TRY {
 932            link_list[nb_link++] = xbt_dict_get(link_set, link);
 933          }
 934          CATCH(e) {
 935            RETHROW1("Link %s not found (dict raised this exception: %s)", link);
 936          }
 937        }
 938        route_new(src_id, dst_id, link_list, nb_link);
 939    }
 940
 941    xbt_dict_free(&route_table);
 942 }
 943
 944 static void add_traces(void)
 945 {
 946    xbt_dynar_t trace_connect = NULL;
 947    unsigned int cpt;
 948    int connect_element, connect_kind;
 949    char *value, *trace_id, *connector_id;
 950    link_L07_t link;
 951    cpu_L07_t host = NULL;
 952    tmgr_trace_t trace;
 953
 954    if (!traces_connect_list) return;
 955
 956    /*for all trace connects parse them and update traces for hosts or links */
 957    xbt_dynar_foreach (traces_connect_list, cpt, value) {
 958      trace_connect = xbt_str_split_str(value, "#");
 959      trace_id        = xbt_dynar_get_as(trace_connect, 0, char*);
 960      connect_element = atoi(xbt_dynar_get_as(trace_connect, 1, char*));
 961      connect_kind    = atoi(xbt_dynar_get_as(trace_connect, 2, char*));
 962      connector_id    = xbt_dynar_get_as(trace_connect, 3, char*);
 963
 964      xbt_assert1((trace = xbt_dict_get_or_null(traces_set_list, trace_id)), "Trace %s undefined", trace_id);
 965
 966      if (connect_element == A_surfxml_trace_c_connect_element_HOST) {
 967         xbt_assert1((host = xbt_dict_get_or_null(workstation_set, connector_id)), "Host %s undefined", connector_id);
 968         switch (connect_kind) {
 969            case A_surfxml_trace_c_connect_kind_AVAILABILITY: host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host); break;
 970            case A_surfxml_trace_c_connect_kind_POWER: host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host); break;
 971         }
 972      }
 973      else {
 974         xbt_assert1((link = xbt_dict_get_or_null(link_set, connector_id)), "Link %s undefined", connector_id);
 975         switch (connect_kind) {
 976            case A_surfxml_trace_c_connect_kind_AVAILABILITY: link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
 977            case A_surfxml_trace_c_connect_kind_BANDWIDTH: link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
 978            case A_surfxml_trace_c_connect_kind_LATENCY: link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
 979         }
 980      }
 981    }
 982
 983    xbt_dynar_free(&trace_connect);
 984    xbt_dynar_free(&traces_connect_list);
 985    xbt_dict_free(&traces_set_list);
 986 }
 987
 988 static void define_callbacks(const char *file)
 989 {
 990   /* Adding callback functions */
 991   surf_parse_reset_parser();
 992   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_cpu_init);
 993   surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties);
 994   surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init);
 995   surfxml_add_callback(STag_surfxml_route_cb_list, &parse_route_set_endpoints);
 996   surfxml_add_callback(ETag_surfxml_link_c_ctn_cb_list, &parse_route_elem);
 997   surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route);
 998   surfxml_add_callback(STag_surfxml_platform_cb_list, &init_data);
 999   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_route);
1000   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_loopback);
1001   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces);
1002   surfxml_add_callback(STag_surfxml_set_cb_list, &parse_sets);
1003   surfxml_add_callback(STag_surfxml_route_c_multi_cb_list, &parse_route_multi_set_endpoints);
1004   surfxml_add_callback(ETag_surfxml_route_c_multi_cb_list, &parse_route_multi_set_route);
1005   surfxml_add_callback(STag_surfxml_foreach_cb_list, &parse_foreach);
1006   surfxml_add_callback(STag_surfxml_cluster_cb_list, &parse_cluster);
1007   surfxml_add_callback(STag_surfxml_trace_cb_list, &parse_trace_init);
1008   surfxml_add_callback(ETag_surfxml_trace_cb_list, &parse_trace_finalize);
1009   surfxml_add_callback(STag_surfxml_trace_c_connect_cb_list, &parse_trace_c_connect);
1010   surfxml_add_callback(STag_surfxml_random_cb_list, &init_randomness);
1011   surfxml_add_callback(ETag_surfxml_random_cb_list, &add_randomness);
1012 }
1013
1014
1015 /**************************************/
1016 /********* Module  creation ***********/
1017 /**************************************/
1018
1019 static void model_init_internal(void)
1020 {
1021   s_surf_action_t action;
1022
1023   surf_workstation_model = xbt_new0(s_surf_workstation_model_t, 1);
1024
1025   surf_workstation_model->common_private =
1026       xbt_new0(s_surf_model_private_t, 1);
1027   surf_workstation_model->common_public =
1028       xbt_new0(s_surf_model_public_t, 1);
1029   surf_workstation_model->extension_public =
1030       xbt_new0(s_surf_workstation_model_extension_public_t, 1);
1031
1032   surf_workstation_model->common_public->states.ready_action_set =
1033       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1034   surf_workstation_model->common_public->states.running_action_set =
1035       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1036   surf_workstation_model->common_public->states.failed_action_set =
1037       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1038   surf_workstation_model->common_public->states.done_action_set =
1039       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1040
1041   surf_workstation_model->common_public->name_service = name_service;
1042   surf_workstation_model->common_public->get_resource_name =
1043       get_resource_name;
1044   surf_workstation_model->common_public->action_get_state =
1045       surf_action_get_state;
1046   surf_workstation_model->common_public->action_get_start_time =
1047       surf_action_get_start_time;
1048   surf_workstation_model->common_public->action_get_finish_time =
1049       surf_action_get_finish_time;
1050   surf_workstation_model->common_public->action_use = action_use;
1051   surf_workstation_model->common_public->action_free = action_free;
1052   surf_workstation_model->common_public->action_cancel = action_cancel;
1053   surf_workstation_model->common_public->action_recycle =
1054       action_recycle;
1055   surf_workstation_model->common_public->action_change_state =
1056       surf_action_change_state;
1057   surf_workstation_model->common_public->action_set_data =
1058       surf_action_set_data;
1059   surf_workstation_model->common_public->suspend = action_suspend;
1060   surf_workstation_model->common_public->resume = action_resume;
1061   surf_workstation_model->common_public->is_suspended =
1062       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 =
1066       action_set_priority;
1067   surf_workstation_model->common_public->name = "Workstation ptask_L07";
1068
1069   surf_workstation_model->common_private->resource_used = resource_used;
1070   surf_workstation_model->common_private->share_resources =
1071       share_resources;
1072   surf_workstation_model->common_private->update_actions_state =
1073       update_actions_state;
1074   surf_workstation_model->common_private->update_resource_state =
1075       update_resource_state;
1076   surf_workstation_model->common_private->finalize = finalize;
1077
1078   surf_workstation_model->extension_public->execute = execute;
1079   surf_workstation_model->extension_public->sleep = action_sleep;
1080   surf_workstation_model->extension_public->get_state =
1081       resource_get_state;
1082   surf_workstation_model->extension_public->get_speed = get_speed;
1083   surf_workstation_model->extension_public->get_available_speed =
1084       get_available_speed;
1085   surf_workstation_model->extension_public->communicate = communicate;
1086   surf_workstation_model->extension_public->execute_parallel_task =
1087       execute_parallel_task;
1088   surf_workstation_model->extension_public->get_route = get_route;
1089   surf_workstation_model->extension_public->get_route_size =
1090       get_route_size;
1091   surf_workstation_model->extension_public->get_link_name =
1092       get_link_name;
1093   surf_workstation_model->extension_public->get_link_bandwidth =
1094       get_link_bandwidth;
1095   surf_workstation_model->extension_public->get_link_latency =
1096       get_link_latency;
1097
1098   surf_workstation_model->common_public->get_properties = get_properties;
1099
1100   workstation_set = xbt_dict_new();
1101   link_set = xbt_dict_new();
1102
1103   if (!ptask_maxmin_system)
1104     ptask_maxmin_system = lmm_system_new();
1105 }
1106
1107 /**************************************/
1108 /*************** Generic **************/
1109 /**************************************/
1110 void surf_workstation_model_init_ptask_L07(const char *filename)
1111 {
1112   xbt_assert0(!surf_cpu_model, "CPU model type already defined");
1113   xbt_assert0(!surf_network_model,
1114               "network model type already defined");
1115   model_init_internal();
1116   define_callbacks(filename);
1117
1118   update_model_description(surf_workstation_model_description,
1119                               surf_workstation_model_description_size,
1120                               "ptask_L07",
1121                               (surf_model_t) surf_workstation_model);
1122   xbt_dynar_push(model_list, &surf_workstation_model);
1123 }