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=MAX(lat_current,lat*action->communication_amount[i * workstation_nb + j]);
 106       }
 107     }
 108   }
 109   lat_bound = SG_TCP_CTE_GAMMA / (2.0 * lat_current);
 110   DEBUG2("action (%p) : lat_bound = %g", action, lat_bound);
 111   if ((action->latency == 0.0) && (action->suspended == 0)) {
 112     if (action->rate < 0)
 113       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 114                                 lat_bound);
 115     else
 116       lmm_update_variable_bound(ptask_maxmin_system, action->variable,
 117                                 min(action->rate,lat_bound));
 118   }
 119 }
 120
 121 /**************************************/
 122 /******* Resource Public     **********/
 123 /**************************************/
 124
 125 static void *name_service(const char *name)
 126 {
 127   return xbt_dict_get_or_null(workstation_set, name);
 128 }
 129
 130 static const char *get_resource_name(void *resource_id)
 131 {
 132   /* We can freely cast as a cpu_L07_t because it has the same
 133      prefix as link_L07_t. However, only cpu_L07_t
 134      will theoretically be given as an argument here. */
 135
 136   return ((cpu_L07_t) resource_id)->name;
 137 }
 138 static xbt_dict_t get_properties(void *r) {
 139   /* We can freely cast as a cpu_L07_t since it has the same prefix than link_L07_t */
 140  return ((cpu_L07_t) r)->properties;
 141 }
 142
 143 /* action_get_state is inherited from the surf module */
 144
 145 static void action_use(surf_action_t action)
 146 {
 147   action->using++;
 148   return;
 149 }
 150
 151 static int action_free(surf_action_t action)
 152 {
 153   action->using--;
 154
 155   if (!action->using) {
 156     xbt_swag_remove(action, action->state_set);
 157     if (((surf_action_workstation_L07_t) action)->variable)
 158       lmm_variable_free(ptask_maxmin_system,
 159                         ((surf_action_workstation_L07_t) action)->
 160                         variable);
 161     free(((surf_action_workstation_L07_t)action)->workstation_list);
 162     free(((surf_action_workstation_L07_t)action)->communication_amount);
 163     free(((surf_action_workstation_L07_t)action)->computation_amount);
 164     free(action);
 165     return 1;
 166   }
 167   return 0;
 168 }
 169
 170 static void action_cancel(surf_action_t action)
 171 {
 172   surf_action_change_state(action, SURF_ACTION_FAILED);
 173   return;
 174 }
 175
 176 static void action_recycle(surf_action_t action)
 177 {
 178   DIE_IMPOSSIBLE;
 179   return;
 180 }
 181
 182 /* action_change_state is inherited from the surf module */
 183 /* action_set_data is inherited from the surf module */
 184
 185 static void action_suspend(surf_action_t action)
 186 {
 187   XBT_IN1("(%p))", action);
 188   if (((surf_action_workstation_L07_t) action)->suspended != 2) {
 189     ((surf_action_workstation_L07_t) action)->suspended = 1;
 190     lmm_update_variable_weight(ptask_maxmin_system,
 191                                ((surf_action_workstation_L07_t)
 192                                 action)->variable, 0.0);
 193   }
 194   XBT_OUT;
 195 }
 196
 197 static void action_resume(surf_action_t action)
 198 {
 199   surf_action_workstation_L07_t act = (surf_action_workstation_L07_t) action;
 200
 201   XBT_IN1("(%p)", act);
 202   if (act->suspended != 2) {
 203     lmm_update_variable_weight(ptask_maxmin_system,act->variable, 1.0);
 204     act->suspended = 0;
 205   }
 206   XBT_OUT;
 207 }
 208
 209 static int action_is_suspended(surf_action_t action)
 210 {
 211   return (((surf_action_workstation_L07_t) action)->suspended == 1);
 212 }
 213
 214 static void action_set_max_duration(surf_action_t action, double duration)
 215 {                               /* FIXME: should inherit */
 216   XBT_IN2("(%p,%g)", action, duration);
 217   action->max_duration = duration;
 218   XBT_OUT;
 219 }
 220
 221
 222 static void action_set_priority(surf_action_t action, double priority)
 223 {                               /* FIXME: should inherit */
 224   XBT_IN2("(%p,%g)", action, priority);
 225   action->priority = priority;
 226   XBT_OUT;
 227 }
 228
 229 /**************************************/
 230 /******* Resource Private    **********/
 231 /**************************************/
 232
 233 static int resource_used(void *resource_id)
 234 {
 235   /* We can freely cast as a link_L07_t because it has
 236      the same prefix as cpu_L07_t */
 237   return lmm_constraint_used(ptask_maxmin_system,
 238                              ((link_L07_t) resource_id)->
 239                              constraint);
 240
 241 }
 242
 243 static double share_resources(double now)
 244 {
 245   s_surf_action_workstation_L07_t s_action;
 246   surf_action_workstation_L07_t action = NULL;
 247
 248   xbt_swag_t running_actions =
 249       surf_workstation_model->common_public->states.running_action_set;
 250   double min = generic_maxmin_share_resources(running_actions,
 251                                               xbt_swag_offset(s_action,
 252                                                               variable),
 253                                               ptask_maxmin_system,
 254                                               bottleneck_solve);
 255
 256   xbt_swag_foreach(action, running_actions) {
 257     if (action->latency > 0) {
 258       if (min < 0) {
 259         min = action->latency;
 260         DEBUG3("Updating min (value) with %p (start %f): %f", action,
 261                action->generic_action.start, min);
 262       } else if (action->latency < min) {
 263         min = action->latency;
 264         DEBUG3("Updating min (latency) with %p (start %f): %f", action,
 265                action->generic_action.start, min);
 266       }
 267     }
 268   }
 269
 270   DEBUG1("min value : %f", min);
 271
 272   return min;
 273 }
 274
 275 static void update_actions_state(double now, double delta)
 276 {
 277   double deltap = 0.0;
 278   surf_action_workstation_L07_t action = NULL;
 279   surf_action_workstation_L07_t next_action = NULL;
 280   xbt_swag_t running_actions =
 281       surf_workstation_model->common_public->states.running_action_set;
 282
 283   xbt_swag_foreach_safe(action, next_action, running_actions) {
 284     deltap = delta;
 285     if (action->latency > 0) {
 286       if (action->latency > deltap) {
 287         double_update(&(action->latency), deltap);
 288         deltap = 0.0;
 289       } else {
 290         double_update(&(deltap), action->latency);
 291         action->latency = 0.0;
 292       }
 293       if ((action->latency == 0.0) && (action->suspended == 0)) {
 294         update_action_bound(action);
 295         lmm_update_variable_weight(ptask_maxmin_system,action->variable, 1.0);
 296       }
 297     }
 298     DEBUG3("Action (%p) : remains (%g) updated by %g.",
 299            action, action->generic_action.remains,
 300            lmm_variable_getvalue(action->variable) * delta);
 301     double_update(&(action->generic_action.remains),
 302                   lmm_variable_getvalue(action->variable) * delta);
 303
 304     if (action->generic_action.max_duration != NO_MAX_DURATION)
 305       double_update(&(action->generic_action.max_duration), delta);
 306
 307     DEBUG2("Action (%p) : remains (%g).",
 308            action, action->generic_action.remains);
 309     if ((action->generic_action.remains <= 0) &&
 310         (lmm_get_variable_weight(action->variable) > 0)) {
 311       action->generic_action.finish = surf_get_clock();
 312       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 313     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 314                (action->generic_action.max_duration <= 0)) {
 315       action->generic_action.finish = surf_get_clock();
 316       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 317     } else {
 318       /* Need to check that none of the model has failed */
 319       lmm_constraint_t cnst = NULL;
 320       int i = 0;
 321       void *constraint_id = NULL;
 322
 323       while ((cnst =
 324               lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
 325                                     i++))) {
 326         constraint_id = lmm_constraint_id(cnst);
 327
 328 /*      if(((link_L07_t)constraint_id)->type== */
 329 /*         SURF_WORKSTATION_RESOURCE_LINK) { */
 330 /*        DEBUG2("Checking for link %s (%p)", */
 331 /*               ((link_L07_t)constraint_id)->name, */
 332 /*               ((link_L07_t)constraint_id)); */
 333 /*      } */
 334 /*      if(((cpu_L07_t)constraint_id)->type== */
 335 /*         SURF_WORKSTATION_RESOURCE_CPU) { */
 336 /*        DEBUG3("Checking for cpu %s (%p) : %s", */
 337 /*               ((cpu_L07_t)constraint_id)->name, */
 338 /*               ((cpu_L07_t)constraint_id), */
 339 /*               ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
 340 /*      } */
 341
 342         if (((((link_L07_t) constraint_id)->type ==
 343               SURF_WORKSTATION_RESOURCE_LINK) &&
 344              (((link_L07_t) constraint_id)->state_current ==
 345               SURF_LINK_OFF)) ||
 346             ((((cpu_L07_t) constraint_id)->type ==
 347               SURF_WORKSTATION_RESOURCE_CPU) &&
 348              (((cpu_L07_t) constraint_id)->state_current ==
 349               SURF_CPU_OFF))) {
 350           DEBUG1("Action (%p) Failed!!", action);
 351           action->generic_action.finish = surf_get_clock();
 352           surf_action_change_state((surf_action_t) action,
 353                                    SURF_ACTION_FAILED);
 354           break;
 355         }
 356       }
 357     }
 358   }
 359   return;
 360 }
 361
 362 static void update_resource_state(void *id,
 363                                   tmgr_trace_event_t event_type,
 364                                   double value, double date)
 365 {
 366   cpu_L07_t cpu = id;
 367   link_L07_t nw_link = id;
 368
 369   if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 370     DEBUG2("Updating link %s (%p)", nw_link->name, nw_link);
 371     if (event_type == nw_link->bw_event) {
 372       nw_link->bw_current = value;
 373       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
 374                                   nw_link->bw_current);
 375     } else if (event_type == nw_link->lat_event) {
 376       lmm_variable_t var = NULL;
 377       surf_action_workstation_L07_t action = NULL;
 378       lmm_element_t elem = NULL;
 379
 380       nw_link->lat_current = value;
 381       while ((var = lmm_get_var_from_cnst
 382              (ptask_maxmin_system, nw_link->constraint, &elem))) {
 383
 384
 385         action = lmm_variable_id(var);
 386         update_action_bound(action);
 387       }
 388
 389     } else if (event_type == nw_link->state_event) {
 390       if (value > 0)
 391         nw_link->state_current = SURF_LINK_ON;
 392       else
 393         nw_link->state_current = SURF_LINK_OFF;
 394     } else {
 395       CRITICAL0("Unknown event ! \n");
 396       xbt_abort();
 397     }
 398     return;
 399   } else if (cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 400     DEBUG3("Updating cpu %s (%p) with value %g", cpu->name, cpu, value);
 401     if (event_type == cpu->power_event) {
 402       cpu->power_current = value;
 403       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
 404                                   cpu->power_current * cpu->power_scale);
 405     } else if (event_type == cpu->state_event) {
 406       if (value > 0)
 407         cpu->state_current = SURF_CPU_ON;
 408       else
 409         cpu->state_current = SURF_CPU_OFF;
 410     } else {
 411       CRITICAL0("Unknown event ! \n");
 412       xbt_abort();
 413     }
 414     return;
 415   } else {
 416     DIE_IMPOSSIBLE;
 417   }
 418   return;
 419 }
 420
 421 static void finalize(void)
 422 {
 423   int i, j;
 424
 425   xbt_dict_free(&link_set);
 426   xbt_dict_free(&workstation_set);
 427   if (parallel_task_link_set != NULL) {
 428     xbt_dict_free(&parallel_task_link_set);
 429   }
 430   xbt_swag_free(surf_workstation_model->common_public->states.
 431                 ready_action_set);
 432   xbt_swag_free(surf_workstation_model->common_public->states.
 433                 running_action_set);
 434   xbt_swag_free(surf_workstation_model->common_public->states.
 435                 failed_action_set);
 436   xbt_swag_free(surf_workstation_model->common_public->states.
 437                 done_action_set);
 438
 439   free(surf_workstation_model->common_public);
 440   free(surf_workstation_model->common_private);
 441   free(surf_workstation_model->extension_public);
 442
 443   free(surf_workstation_model);
 444   surf_workstation_model = NULL;
 445
 446   for (i = 0; i < nb_workstation; i++)
 447     for (j = 0; j < nb_workstation; j++)
 448       free(ROUTE(i, j).links);
 449   free(routing_table);
 450   routing_table = NULL;
 451   nb_workstation = 0;
 452
 453   if (ptask_maxmin_system) {
 454     lmm_system_free(ptask_maxmin_system);
 455     ptask_maxmin_system = NULL;
 456   }
 457 }
 458
 459 /**************************************/
 460 /******* Resource Private    **********/
 461 /**************************************/
 462
 463 static e_surf_cpu_state_t resource_get_state(void *cpu)
 464 {
 465   return ((cpu_L07_t) cpu)->state_current;
 466 }
 467
 468 static double get_speed(void *cpu, double load)
 469 {
 470   return load * (((cpu_L07_t) cpu)->power_scale);
 471 }
 472
 473 static double get_available_speed(void *cpu)
 474 {
 475   return ((cpu_L07_t) cpu)->power_current;
 476 }
 477
 478 static surf_action_t execute_parallel_task(int workstation_nb,
 479                                            void **workstation_list,
 480                                            double *computation_amount,
 481                                            double *communication_amount,
 482                                            double amount, double rate)
 483 {
 484   surf_action_workstation_L07_t action = NULL;
 485   int i, j, k;
 486   int nb_link = 0;
 487   int nb_host = 0;
 488   double latency = 0.0;
 489
 490   if (parallel_task_link_set == NULL)
 491     parallel_task_link_set = xbt_dict_new();
 492
 493   xbt_dict_reset(parallel_task_link_set);
 494
 495   /* Compute the number of affected resources... */
 496   for (i = 0; i < workstation_nb; i++) {
 497     for (j = 0; j < workstation_nb; j++) {
 498       cpu_L07_t card_src = workstation_list[i];
 499       cpu_L07_t card_dst = workstation_list[j];
 500       int route_size = ROUTE(card_src->id, card_dst->id).size;
 501       link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
 502       double lat = 0.0;
 503
 504       if (communication_amount[i * workstation_nb + j] > 0)
 505         for (k = 0; k < route_size; k++) {
 506           lat += route[k]->lat_current;
 507           xbt_dict_set(parallel_task_link_set, route[k]->name,
 508                        route[k], NULL);
 509         }
 510       latency=MAX(latency,lat);
 511     }
 512   }
 513
 514   nb_link = xbt_dict_length(parallel_task_link_set);
 515   xbt_dict_reset(parallel_task_link_set);
 516
 517   for (i = 0; i < workstation_nb; i++)
 518     if (computation_amount[i] > 0)
 519       nb_host++;
 520
 521   action = xbt_new0(s_surf_action_workstation_L07_t, 1);
 522   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
 523          action, workstation_nb, nb_link);
 524   action->generic_action.using = 1;
 525   action->generic_action.cost = amount;
 526   action->generic_action.remains = amount;
 527   action->generic_action.max_duration = NO_MAX_DURATION;
 528   action->generic_action.start = surf_get_clock();
 529   action->generic_action.finish = -1.0;
 530   action->generic_action.model_type =
 531       (surf_model_t) surf_workstation_model;
 532   action->suspended = 0;        /* Should be useless because of the
 533                                    calloc but it seems to help valgrind... */
 534   action->workstation_nb = workstation_nb;
 535   action->workstation_list = (cpu_L07_t *)workstation_list;
 536   action->computation_amount = computation_amount;
 537   action->communication_amount = communication_amount;
 538   action->latency = latency;
 539   action->generic_action.state_set =
 540       surf_workstation_model->common_public->states.running_action_set;
 541
 542   xbt_swag_insert(action, action->generic_action.state_set);
 543   action->rate = rate;
 544
 545   if (action->rate > 0)
 546     action->variable =
 547         lmm_variable_new(ptask_maxmin_system, action, 1.0, -1.0,
 548                          workstation_nb + nb_link);
 549   else
 550     action->variable =
 551         lmm_variable_new(ptask_maxmin_system, action, 1.0, action->rate,
 552                          workstation_nb + nb_link);
 553
 554   if (action->latency > 0)
 555     lmm_update_variable_weight(ptask_maxmin_system,action->variable,0.0);
 556
 557   for (i = 0; i < workstation_nb; i++)
 558     lmm_expand(ptask_maxmin_system,
 559                ((cpu_L07_t) workstation_list[i])->constraint,
 560                action->variable, computation_amount[i]);
 561
 562   for (i = 0; i < workstation_nb; i++) {
 563     for (j = 0; j < workstation_nb; j++) {
 564       cpu_L07_t card_src = workstation_list[i];
 565       cpu_L07_t card_dst = workstation_list[j];
 566       int route_size = ROUTE(card_src->id, card_dst->id).size;
 567       link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
 568
 569       if (communication_amount[i * workstation_nb + j] == 0.0)
 570         continue;
 571       for (k = 0; k < route_size; k++) {
 572           lmm_expand_add(ptask_maxmin_system, route[k]->constraint,
 573                          action->variable,
 574                          communication_amount[i * workstation_nb + j]);
 575       }
 576     }
 577   }
 578
 579   if (nb_link + nb_host == 0) {
 580     action->generic_action.cost = 1.0;
 581     action->generic_action.remains = 0.0;
 582   }
 583
 584   return (surf_action_t) action;
 585 }
 586
 587 static surf_action_t execute(void *cpu, double size)
 588 {
 589   void **workstation_list = xbt_new0(void *, 1);
 590   double *computation_amount = xbt_new0(double, 1);
 591   double *communication_amount = xbt_new0(double, 1);
 592
 593   workstation_list[0] = cpu;
 594   communication_amount[0] = 0.0;
 595   computation_amount[0] = size;
 596
 597   return execute_parallel_task(1, workstation_list, computation_amount,
 598                                communication_amount, 1, -1);
 599 }
 600
 601 static surf_action_t communicate(void *src, void *dst, double size,
 602                                  double rate)
 603 {
 604   void **workstation_list = xbt_new0(void *, 2);
 605   double *computation_amount = xbt_new0(double, 2);
 606   double *communication_amount = xbt_new0(double, 4);
 607   surf_action_t res = NULL;
 608
 609   workstation_list[0] = src;
 610   workstation_list[1] = dst;
 611   communication_amount[1] = size;
 612
 613   res = execute_parallel_task(2, workstation_list,
 614                               computation_amount, communication_amount,
 615                               1, rate);
 616
 617   return res;
 618 }
 619
 620 static surf_action_t action_sleep(void *cpu, double duration)
 621 {
 622   surf_action_workstation_L07_t action = NULL;
 623
 624   XBT_IN2("(%s,%g)", ((cpu_L07_t) cpu)->name, duration);
 625
 626   action = (surf_action_workstation_L07_t) execute(cpu, 1.0);
 627   action->generic_action.max_duration = duration;
 628   action->suspended = 2;
 629   lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 630
 631   XBT_OUT;
 632   return (surf_action_t) action;
 633 }
 634
 635 /* returns an array of link_L07_t */
 636 static const void **get_route(void *src, void *dst)
 637 {
 638   cpu_L07_t card_src = src;
 639   cpu_L07_t card_dst = dst;
 640   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
 641
 642   return (const void **) route->links;
 643 }
 644
 645 static int get_route_size(void *src, void *dst)
 646 {
 647   cpu_L07_t card_src = src;
 648   cpu_L07_t card_dst = dst;
 649   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
 650   return route->size;
 651 }
 652
 653 static const char *get_link_name(const void *link)
 654 {
 655   return ((link_L07_t) link)->name;
 656 }
 657
 658 static double get_link_bandwidth(const void *link)
 659 {
 660   return ((link_L07_t) link)->bw_current;
 661 }
 662
 663 static double get_link_latency(const void *link)
 664 {
 665   return ((link_L07_t) link)->lat_current;
 666 }
 667
 668 static int link_shared(const void *link)
 669 {
 670   return lmm_constraint_is_shared(((link_L07_t) link)->constraint);
 671 }
 672
 673 /**************************************/
 674 /*** Resource Creation & Destruction **/
 675 /**************************************/
 676
 677 static void cpu_free(void *cpu)
 678 {
 679   free(((cpu_L07_t) cpu)->name);
 680   xbt_dict_free(&(((cpu_L07_t)cpu)->properties));
 681   free(cpu);
 682 }
 683
 684 static cpu_L07_t cpu_new(const char *name, double power_scale,
 685                          double power_initial,
 686                          tmgr_trace_t power_trace,
 687                          e_surf_cpu_state_t state_initial,
 688                          tmgr_trace_t state_trace,
 689                          xbt_dict_t cpu_properties)
 690 {
 691   cpu_L07_t cpu = xbt_new0(s_cpu_L07_t, 1);
 692   xbt_assert1(! xbt_dict_get_or_null(workstation_set, name),
 693               "Host '%s' declared several times in the platform file.",name);
 694
 695   cpu->model = (surf_model_t) surf_workstation_model;
 696   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 697   cpu->name = xbt_strdup(name);
 698   cpu->id = nb_workstation++;
 699
 700   cpu->power_scale = power_scale;
 701   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 702
 703   cpu->power_current = power_initial;
 704   if (power_trace)
 705     cpu->power_event =
 706         tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 707
 708   cpu->state_current = state_initial;
 709   if (state_trace)
 710     cpu->state_event =
 711         tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 712
 713   cpu->constraint =
 714       lmm_constraint_new(ptask_maxmin_system, cpu,
 715                          cpu->power_current * cpu->power_scale);
 716
 717   /*add the property set*/
 718   cpu->properties =  current_property_set;
 719
 720   xbt_dict_set(workstation_set, name, cpu, cpu_free);
 721
 722   return cpu;
 723 }
 724
 725 static void create_routing_table(void)
 726 {
 727    routing_table = xbt_new0(s_route_L07_t, nb_workstation * nb_workstation);
 728 }
 729
 730 static void parse_cpu_init(void)
 731 {
 732   double power_scale = 0.0;
 733   double power_initial = 0.0;
 734   tmgr_trace_t power_trace = NULL;
 735   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
 736   tmgr_trace_t state_trace = NULL;
 737
 738   power_scale = get_cpu_power(A_surfxml_host_power);
 739   surf_parse_get_double(&power_initial, A_surfxml_host_availability);
 740   surf_parse_get_trace(&power_trace, A_surfxml_host_availability_file);
 741
 742   xbt_assert0((A_surfxml_host_state == A_surfxml_host_state_ON) ||
 743               (A_surfxml_host_state == A_surfxml_host_state_OFF),
 744               "Invalid state");
 745   if (A_surfxml_host_state == A_surfxml_host_state_ON)
 746     state_initial = SURF_CPU_ON;
 747   if (A_surfxml_host_state == A_surfxml_host_state_OFF)
 748     state_initial = SURF_CPU_OFF;
 749   surf_parse_get_trace(&state_trace, A_surfxml_host_state_file);
 750
 751   current_property_set = xbt_dict_new();
 752   cpu_new(A_surfxml_host_id, power_scale, power_initial, power_trace,
 753           state_initial, state_trace,current_property_set);
 754 }
 755
 756 static void link_free(void *nw_link)
 757 {
 758   free(((link_L07_t) nw_link)->name);
 759   xbt_dict_free(&(((link_L07_t)nw_link)->properties));
 760   free(nw_link);
 761 }
 762
 763 static link_L07_t link_new(char *name,
 764                            double bw_initial,
 765                            tmgr_trace_t bw_trace,
 766                            double lat_initial,
 767                            tmgr_trace_t lat_trace,
 768                            e_surf_link_state_t
 769                            state_initial,
 770                            tmgr_trace_t state_trace,
 771                            e_surf_link_sharing_policy_t
 772                            policy, xbt_dict_t properties)
 773 {
 774   link_L07_t nw_link = xbt_new0(s_link_L07_t, 1);
 775   xbt_assert1(! xbt_dict_get_or_null(link_set, name),
 776               "Link '%s' declared several times in the platform file.",name);
 777
 778   nw_link->model = (surf_model_t) surf_workstation_model;
 779   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 780   nw_link->name = name;
 781   nw_link->bw_current = bw_initial;
 782   if (bw_trace)
 783     nw_link->bw_event =
 784         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 785   nw_link->state_current = state_initial;
 786   nw_link->lat_current = lat_initial;
 787   if (lat_trace)
 788     nw_link->lat_event =
 789         tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 790   if (state_trace)
 791     nw_link->state_event =
 792         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 793
 794   nw_link->constraint =
 795       lmm_constraint_new(ptask_maxmin_system, nw_link,
 796                          nw_link->bw_current);
 797
 798   if (policy == SURF_LINK_FATPIPE)
 799     lmm_constraint_shared(nw_link->constraint);
 800
 801   nw_link->properties = properties;
 802
 803   xbt_dict_set(link_set, name, nw_link, link_free);
 804
 805   return nw_link;
 806 }
 807
 808 static void parse_link_init(void)
 809 {
 810   char *name_link;
 811   double bw_initial;
 812   tmgr_trace_t bw_trace;
 813   double lat_initial;
 814   tmgr_trace_t lat_trace;
 815   e_surf_link_state_t state_initial_link = SURF_LINK_ON;
 816   e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
 817   tmgr_trace_t state_trace;
 818
 819   name_link = xbt_strdup(A_surfxml_link_id);
 820   surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
 821   surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file);
 822   surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
 823   surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file);
 824
 825   xbt_assert0((A_surfxml_link_state ==
 826                A_surfxml_link_state_ON)
 827               || (A_surfxml_link_state ==
 828                   A_surfxml_link_state_OFF), "Invalid state");
 829   if (A_surfxml_link_state == A_surfxml_link_state_ON)
 830     state_initial_link = SURF_LINK_ON;
 831   else if (A_surfxml_link_state ==
 832            A_surfxml_link_state_OFF)
 833     state_initial_link = SURF_LINK_OFF;
 834
 835   if (A_surfxml_link_sharing_policy ==
 836       A_surfxml_link_sharing_policy_SHARED)
 837     policy_initial_link = SURF_LINK_SHARED;
 838   else if (A_surfxml_link_sharing_policy ==
 839            A_surfxml_link_sharing_policy_FATPIPE)
 840     policy_initial_link = SURF_LINK_FATPIPE;
 841
 842   surf_parse_get_trace(&state_trace, A_surfxml_link_state_file);
 843
 844   current_property_set = xbt_dict_new();
 845   link_new(name_link, bw_initial, bw_trace, lat_initial, lat_trace,
 846                    state_initial_link, state_trace, policy_initial_link, current_property_set);
 847  }
 848
 849 static void route_new(int src_id, int dst_id,
 850                       link_L07_t * link_list , int nb_link)
 851 {
 852   route_L07_t route = &(ROUTE(src_id, dst_id));
 853
 854   route->size = nb_link;
 855   route->links = link_list = xbt_realloc(link_list, sizeof(link_L07_t) * nb_link);
 856 }
 857
 858
 859 static int src_id = -1;
 860 static int dst_id = -1;
 861
 862 static void parse_route_set_endpoints(void)
 863 {
 864   cpu_L07_t cpu_tmp = NULL;
 865
 866   cpu_tmp = (cpu_L07_t) name_service(A_surfxml_route_src);
 867   xbt_assert1(cpu_tmp, "Invalid cpu %s", A_surfxml_route_src);
 868   if (cpu_tmp != NULL)
 869     src_id = cpu_tmp->id;
 870
 871   cpu_tmp = (cpu_L07_t) name_service(A_surfxml_route_dst);
 872   xbt_assert1(cpu_tmp, "Invalid cpu %s", A_surfxml_route_dst);
 873   if (cpu_tmp != NULL)
 874     dst_id = cpu_tmp->id;
 875
 876   route_action = A_surfxml_route_action;
 877 }
 878
 879 static void parse_route_set_route(void)
 880 {
 881   char* name;
 882   if (src_id != -1 && dst_id != -1) {
 883      name = bprintf("%x#%x",src_id, dst_id);
 884      manage_route(route_table, name, route_action, 0);
 885      free(name);
 886   }
 887 }
 888
 889 static void add_loopback(void)
 890 {
 891   int i;
 892
 893   /* Adding loopback if needed */
 894   for (i = 0; i < nb_workstation; i++)
 895     if (!ROUTE(i, i).size) {
 896       if (!loopback)
 897         loopback = link_new(xbt_strdup("__MSG_loopback__"),
 898                                     498000000, NULL, 0.000015, NULL,
 899                                     SURF_LINK_ON, NULL,
 900                                     SURF_LINK_FATPIPE,NULL);
 901
 902       ROUTE(i, i).size = 1;
 903       ROUTE(i, i).links = xbt_new0(link_L07_t, 1);
 904       ROUTE(i, i).links[0] = loopback;
 905     }
 906 }
 907
 908 static void add_route(void)
 909 {
 910     xbt_ex_t e;
 911     int nb_link = 0;
 912     unsigned int cpt = 0;
 913     int link_list_capacity = 0;
 914     link_L07_t *link_list = NULL;
 915     xbt_dict_cursor_t cursor = NULL;
 916     char *key,*data, *end;
 917     const char *sep = "#";
 918     xbt_dynar_t links, keys;
 919         char* link = NULL;
 920
 921     if (routing_table == NULL) create_routing_table();
 922
 923     xbt_dict_foreach(route_table, cursor, key, data) {
 924        nb_link = 0;
 925        links = (xbt_dynar_t)data;
 926        keys = xbt_str_split_str(key, sep);
 927
 928        src_id = strtol(xbt_dynar_get_as(keys, 0, char*), &end, 16);
 929        dst_id = strtol(xbt_dynar_get_as(keys, 1, char*), &end, 16);
 930
 931        link_list_capacity = xbt_dynar_length(links);
 932        link_list = xbt_new(link_L07_t, link_list_capacity);
 933
 934
 935        xbt_dynar_foreach (links, cpt, link) {
 936          TRY {
 937            link_list[nb_link++] = xbt_dict_get(link_set, link);
 938          }
 939          CATCH(e) {
 940            RETHROW1("Link %s not found (dict raised this exception: %s)", link);
 941          }
 942        }
 943        route_new(src_id, dst_id, link_list, nb_link);
 944    }
 945 }
 946
 947 static void add_traces(void) {
 948    xbt_dict_cursor_t cursor=NULL;
 949    char *trace_name,*elm;
 950
 951    if (!trace_connect_list_host_avail) return;
 952
 953    /* Connect traces relative to cpu */
 954    xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
 955       tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 956       cpu_L07_t host = xbt_dict_get_or_null(workstation_set, elm);
 957
 958       xbt_assert1(host, "Host %s undefined", elm);
 959       xbt_assert1(trace, "Trace %s undefined", trace_name);
 960
 961       host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 962    }
 963
 964    xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
 965       tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 966       cpu_L07_t host = xbt_dict_get_or_null(workstation_set, elm);
 967
 968       xbt_assert1(host, "Host %s undefined", elm);
 969       xbt_assert1(trace, "Trace %s undefined", trace_name);
 970
 971       host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host);
 972    }
 973
 974    /* Connect traces relative to network */
 975    xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
 976       tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 977       link_L07_t link = xbt_dict_get_or_null(link_set, elm);
 978
 979       xbt_assert1(link, "Link %s undefined", elm);
 980       xbt_assert1(trace, "Trace %s undefined", trace_name);
 981
 982       link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 983    }
 984
 985    xbt_dict_foreach(trace_connect_list_bandwidth, cursor, trace_name, elm) {
 986       tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 987       link_L07_t link = xbt_dict_get_or_null(link_set, elm);
 988
 989       xbt_assert1(link, "Link %s undefined", elm);
 990       xbt_assert1(trace, "Trace %s undefined", trace_name);
 991
 992       link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
 993    }
 994
 995    xbt_dict_foreach(trace_connect_list_latency, cursor, trace_name, elm) {
 996       tmgr_trace_t trace = xbt_dict_get_or_null(traces_set_list, trace_name);
 997       link_L07_t link = xbt_dict_get_or_null(link_set, elm);
 998
 999       xbt_assert1(link, "Link %s undefined", elm);
1000       xbt_assert1(trace, "Trace %s undefined", trace_name);
1001
1002       link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link);
1003    }
1004 /*
1005
1006    xbt_dynar_foreach (traces_connect_list, cpt, value) {
1007      trace_connect = xbt_str_split_str(value, "#");
1008      trace_id        = xbt_dynar_get_as(trace_connect, 0, char*);
1009      connect_element = atoi(xbt_dynar_get_as(trace_connect, 1, char*));
1010      connect_kind    = atoi(xbt_dynar_get_as(trace_connect, 2, char*));
1011      connector_id    = xbt_dynar_get_as(trace_connect, 3, char*);
1012
1013      xbt_assert1((trace = xbt_dict_get_or_null(traces_set_list, trace_id)), "Trace %s undefined", trace_id);
1014
1015      if (connect_element == A_surfxml_trace_c_connect_element_HOST) {
1016         xbt_assert1((host = xbt_dict_get_or_null(workstation_set, connector_id)), "Host %s undefined", connector_id);
1017         switch (connect_kind) {
1018            case A_surfxml_trace_c_connect_kind_AVAILABILITY: host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host); break;
1019            case A_surfxml_trace_c_connect_kind_POWER: host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host); break;
1020         }
1021      }
1022      else {
1023         xbt_assert1((link = xbt_dict_get_or_null(link_set, connector_id)), "Link %s undefined", connector_id);
1024         switch (connect_kind) {
1025            case A_surfxml_trace_c_connect_kind_AVAILABILITY: link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
1026            case A_surfxml_trace_c_connect_kind_BANDWIDTH: link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
1027            case A_surfxml_trace_c_connect_kind_LATENCY: link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
1028         }
1029      }
1030    }
1031 */
1032 }
1033
1034 static void define_callbacks(const char *file)
1035 {
1036   /* Adding callback functions */
1037   surf_parse_reset_parser();
1038   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_cpu_init);
1039   surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init);
1040   surfxml_add_callback(STag_surfxml_route_cb_list, &parse_route_set_endpoints);
1041   surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route);
1042   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_route);
1043   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_loopback);
1044   surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces);
1045 }
1046
1047
1048 /**************************************/
1049 /********* Module  creation ***********/
1050 /**************************************/
1051
1052 static void model_init_internal(void)
1053 {
1054   s_surf_action_t action;
1055
1056   surf_workstation_model = xbt_new0(s_surf_workstation_model_t, 1);
1057
1058   surf_workstation_model->common_private =
1059       xbt_new0(s_surf_model_private_t, 1);
1060   surf_workstation_model->common_public =
1061       xbt_new0(s_surf_model_public_t, 1);
1062   surf_workstation_model->extension_public =
1063       xbt_new0(s_surf_workstation_model_extension_public_t, 1);
1064
1065   surf_workstation_model->common_public->states.ready_action_set =
1066       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1067   surf_workstation_model->common_public->states.running_action_set =
1068       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1069   surf_workstation_model->common_public->states.failed_action_set =
1070       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1071   surf_workstation_model->common_public->states.done_action_set =
1072       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1073
1074   surf_workstation_model->common_public->name_service = name_service;
1075   surf_workstation_model->common_public->get_resource_name =
1076       get_resource_name;
1077   surf_workstation_model->common_public->action_get_state =
1078       surf_action_get_state;
1079   surf_workstation_model->common_public->action_get_start_time =
1080       surf_action_get_start_time;
1081   surf_workstation_model->common_public->action_get_finish_time =
1082       surf_action_get_finish_time;
1083   surf_workstation_model->common_public->action_use = action_use;
1084   surf_workstation_model->common_public->action_free = action_free;
1085   surf_workstation_model->common_public->action_cancel = action_cancel;
1086   surf_workstation_model->common_public->action_recycle =
1087       action_recycle;
1088   surf_workstation_model->common_public->action_change_state =
1089       surf_action_change_state;
1090   surf_workstation_model->common_public->action_set_data =
1091       surf_action_set_data;
1092   surf_workstation_model->common_public->suspend = action_suspend;
1093   surf_workstation_model->common_public->resume = action_resume;
1094   surf_workstation_model->common_public->is_suspended =
1095       action_is_suspended;
1096   surf_workstation_model->common_public->set_max_duration =
1097       action_set_max_duration;
1098   surf_workstation_model->common_public->set_priority =
1099       action_set_priority;
1100   surf_workstation_model->common_public->name = "Workstation ptask_L07";
1101
1102   surf_workstation_model->common_private->resource_used = resource_used;
1103   surf_workstation_model->common_private->share_resources =
1104       share_resources;
1105   surf_workstation_model->common_private->update_actions_state =
1106       update_actions_state;
1107   surf_workstation_model->common_private->update_resource_state =
1108       update_resource_state;
1109   surf_workstation_model->common_private->finalize = finalize;
1110
1111   surf_workstation_model->extension_public->execute = execute;
1112   surf_workstation_model->extension_public->sleep = action_sleep;
1113   surf_workstation_model->extension_public->get_state =
1114       resource_get_state;
1115   surf_workstation_model->extension_public->get_speed = get_speed;
1116   surf_workstation_model->extension_public->get_available_speed =
1117       get_available_speed;
1118   surf_workstation_model->extension_public->communicate = communicate;
1119   surf_workstation_model->extension_public->execute_parallel_task =
1120       execute_parallel_task;
1121   surf_workstation_model->extension_public->get_route = get_route;
1122   surf_workstation_model->extension_public->get_route_size =
1123       get_route_size;
1124   surf_workstation_model->extension_public->get_link_name =
1125       get_link_name;
1126   surf_workstation_model->extension_public->get_link_bandwidth =
1127       get_link_bandwidth;
1128   surf_workstation_model->extension_public->get_link_latency =
1129       get_link_latency;
1130   surf_workstation_model->extension_public->link_shared =
1131       link_shared;
1132
1133   surf_workstation_model->common_public->get_properties = get_properties;
1134
1135   workstation_set = xbt_dict_new();
1136   link_set = xbt_dict_new();
1137
1138   if (!ptask_maxmin_system)
1139     ptask_maxmin_system = lmm_system_new();
1140 }
1141
1142 /**************************************/
1143 /*************** Generic **************/
1144 /**************************************/
1145 void surf_workstation_model_init_ptask_L07(const char *filename)
1146 {
1147   xbt_assert0(!surf_cpu_model, "CPU model type already defined");
1148   xbt_assert0(!surf_network_model,
1149               "network model type already defined");
1150   model_init_internal();
1151   define_callbacks(filename);
1152
1153   update_model_description(surf_workstation_model_description,
1154                            "ptask_L07",
1155                            (surf_model_t) surf_workstation_model);
1156   xbt_dynar_push(model_list, &surf_workstation_model);
1157 }