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
  12 typedef enum {
  13   SURF_WORKSTATION_RESOURCE_CPU,
  14   SURF_WORKSTATION_RESOURCE_LINK,
  15 } e_surf_workstation_resource_type_t;
  16
  17 /**************************************/
  18 /********* cpu object *****************/
  19 /**************************************/
  20 typedef struct cpu_L07 {
  21   surf_resource_t resource;                     /* Do not move this field */
  22   e_surf_workstation_resource_type_t type;      /* Do not move this field */
  23   char *name;                                   /* Do not move this field */
  24   lmm_constraint_t constraint;                  /* Do not move this field */
  25   double power_scale;
  26   double power_current;
  27   tmgr_trace_event_t power_event;
  28   e_surf_cpu_state_t state_current;
  29   tmgr_trace_event_t state_event;
  30   int id;                       /* cpu and network card are a single object... */
  31 } s_cpu_L07_t, *cpu_L07_t;
  32
  33 /**************************************/
  34 /*********** network object ***********/
  35 /**************************************/
  36
  37 typedef struct network_link_L07 {
  38   surf_resource_t resource;                     /* Do not move this field */
  39   e_surf_workstation_resource_type_t type;      /* Do not move this field */
  40   char *name;                                   /* Do not move this field */
  41   lmm_constraint_t constraint;                  /* Do not move this field */
  42   double bw_current;
  43   tmgr_trace_event_t bw_event;
  44   e_surf_network_link_state_t state_current;
  45   tmgr_trace_event_t state_event;
  46 } s_network_link_L07_t, *network_link_L07_t;
  47
  48
  49 typedef struct s_route_L07 {
  50   network_link_L07_t *links;
  51   int size;
  52 } s_route_L07_t, *route_L07_t;
  53
  54 /**************************************/
  55 /*************** actions **************/
  56 /**************************************/
  57 typedef struct surf_action_workstation_L07 {
  58   s_surf_action_t generic_action;
  59   lmm_variable_t variable;
  60   double rate;
  61   int suspended;
  62 } s_surf_action_workstation_L07_t,
  63   *surf_action_workstation_L07_t;
  64
  65
  66 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_workstation);
  67
  68 static int nb_workstation = 0;
  69 static s_route_L07_t *routing_table = NULL;
  70 #define ROUTE(i,j) routing_table[(i)+(j)*nb_workstation]
  71 static network_link_L07_t loopback = NULL;
  72 static xbt_dict_t parallel_task_network_link_set = NULL;
  73 lmm_system_t ptask_maxmin_system = NULL;
  74
  75 /**************************************/
  76 /******* Resource Public     **********/
  77 /**************************************/
  78
  79 static void *name_service(const char *name)
  80 {
  81   return xbt_dict_get_or_null(workstation_set, name);
  82 }
  83
  84 static const char *get_resource_name(void *resource_id)
  85 {
  86   /* We can freely cast as a cpu_L07_t because it has the same
  87      prefix as network_link_L07_t. However, only cpu_L07_t
  88      will theoretically be given as an argument here. */
  89   return ((cpu_L07_t) resource_id)->name;
  90 }
  91
  92 /* action_get_state is inherited from the surf module */
  93
  94 static void action_use(surf_action_t action)
  95 {
  96   action->using++;
  97   return;
  98 }
  99
 100 static int action_free(surf_action_t action)
 101 {
 102   action->using--;
 103
 104   if (!action->using) {
 105     xbt_swag_remove(action, action->state_set);
 106     if (((surf_action_workstation_L07_t) action)->variable)
 107       lmm_variable_free(ptask_maxmin_system,
 108                         ((surf_action_workstation_L07_t) action)->
 109                         variable);
 110     free(action);
 111     return 1;
 112   }
 113   return 0;
 114 }
 115
 116 static void action_cancel(surf_action_t action)
 117 {
 118   surf_action_change_state(action, SURF_ACTION_FAILED);
 119   return;
 120 }
 121
 122 static void action_recycle(surf_action_t action)
 123 {
 124   DIE_IMPOSSIBLE;
 125   return;
 126 }
 127
 128 /* action_change_state is inherited from the surf module */
 129 /* action_set_data is inherited from the surf module */
 130
 131 static void action_suspend(surf_action_t action)
 132 {
 133   XBT_IN1("(%p))",action);
 134   if(((surf_action_workstation_L07_t) action)->suspended != 2) {
 135     ((surf_action_workstation_L07_t) action)->suspended = 1;
 136     lmm_update_variable_weight(ptask_maxmin_system,
 137                                ((surf_action_workstation_L07_t)
 138                                 action)->variable, 0.0);
 139   }
 140   XBT_OUT;
 141 }
 142
 143 static void action_resume(surf_action_t action)
 144 {
 145   XBT_IN1("(%p)",action);
 146   if(((surf_action_workstation_L07_t) action)->suspended !=2) {
 147     lmm_update_variable_weight(ptask_maxmin_system,
 148                                ((surf_action_workstation_L07_t)
 149                                 action)->variable, 1.0);
 150     ((surf_action_workstation_L07_t) action)->suspended = 0;
 151   }
 152   XBT_OUT;
 153 }
 154
 155 static int action_is_suspended(surf_action_t action)
 156 {
 157   return (((surf_action_workstation_L07_t) action)->suspended==1);
 158 }
 159
 160 static void action_set_max_duration(surf_action_t action, double duration)
 161 {                               /* FIXME: should inherit */
 162   XBT_IN2("(%p,%g)",action,duration);
 163   action->max_duration = duration;
 164   XBT_OUT;
 165 }
 166
 167
 168 static void action_set_priority(surf_action_t action, double priority)
 169 {                               /* FIXME: should inherit */
 170   XBT_IN2("(%p,%g)",action,priority);
 171   action->priority = priority;
 172   XBT_OUT;
 173 }
 174
 175 /**************************************/
 176 /******* Resource Private    **********/
 177 /**************************************/
 178
 179 static int resource_used(void *resource_id)
 180 {
 181   /* We can freely cast as a network_link_L07_t because it has
 182      the same prefix as cpu_L07_t */
 183   return lmm_constraint_used(ptask_maxmin_system,
 184                              ((network_link_L07_t) resource_id)->
 185                              constraint);
 186
 187 }
 188
 189 static double share_resources(double now)
 190 {
 191   s_surf_action_workstation_L07_t s_action;
 192
 193   xbt_swag_t running_actions =
 194     surf_workstation_resource->common_public->states.running_action_set;
 195   double min =
 196     generic_maxmin_share_resources2(running_actions,
 197                                     xbt_swag_offset(s_action, variable),
 198                                     ptask_maxmin_system, bottleneck_solve);
 199
 200   DEBUG1("min value : %f",min);
 201
 202   return min;
 203 }
 204
 205 static void update_actions_state(double now, double delta)
 206 {
 207   surf_action_workstation_L07_t action = NULL;
 208   surf_action_workstation_L07_t next_action = NULL;
 209   xbt_swag_t running_actions =
 210       surf_workstation_resource->common_public->states.running_action_set;
 211
 212   xbt_swag_foreach_safe(action, next_action, running_actions) {
 213     DEBUG3("Action (%p) : remains (%g) updated by %g.",
 214            action, action->generic_action.remains,
 215            lmm_variable_getvalue(action->variable) * delta);
 216     double_update(&(action->generic_action.remains),
 217                   lmm_variable_getvalue(action->variable) * delta);
 218
 219     if (action->generic_action.max_duration != NO_MAX_DURATION)
 220       double_update(&(action->generic_action.max_duration), delta);
 221
 222     if ((action->generic_action.remains <= 0) &&
 223         (lmm_get_variable_weight(action->variable)>0)) {
 224       action->generic_action.finish = surf_get_clock();
 225       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 226     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 227                (action->generic_action.max_duration <= 0)) {
 228       action->generic_action.finish = surf_get_clock();
 229       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 230     } else {
 231       /* Need to check that none of the resource has failed */
 232       lmm_constraint_t cnst = NULL;
 233       int i = 0;
 234       void *constraint_id = NULL;
 235
 236       while ((cnst =
 237               lmm_get_cnst_from_var(ptask_maxmin_system, action->variable,
 238                                     i++))) {
 239         constraint_id = lmm_constraint_id(cnst);
 240
 241 /*      if(((network_link_L07_t)constraint_id)->type== */
 242 /*         SURF_WORKSTATION_RESOURCE_LINK) { */
 243 /*        DEBUG2("Checking for link %s (%p)", */
 244 /*               ((network_link_L07_t)constraint_id)->name, */
 245 /*               ((network_link_L07_t)constraint_id)); */
 246 /*      } */
 247 /*      if(((cpu_L07_t)constraint_id)->type== */
 248 /*         SURF_WORKSTATION_RESOURCE_CPU) { */
 249 /*        DEBUG3("Checking for cpu %s (%p) : %s", */
 250 /*               ((cpu_L07_t)constraint_id)->name, */
 251 /*               ((cpu_L07_t)constraint_id), */
 252 /*               ((cpu_L07_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
 253 /*      } */
 254
 255         if(((((network_link_L07_t)constraint_id)->type==
 256              SURF_WORKSTATION_RESOURCE_LINK) &&
 257             (((network_link_L07_t)constraint_id)->state_current==
 258              SURF_NETWORK_LINK_OFF)) ||
 259            ((((cpu_L07_t)constraint_id)->type==
 260              SURF_WORKSTATION_RESOURCE_CPU) &&
 261             (((cpu_L07_t)constraint_id)->state_current==
 262              SURF_CPU_OFF))) {
 263           DEBUG1("Action (%p) Failed!!",action);
 264           action->generic_action.finish = surf_get_clock();
 265           surf_action_change_state((surf_action_t) action, SURF_ACTION_FAILED);
 266           break;
 267         }
 268       }
 269     }
 270   }
 271   return;
 272 }
 273
 274 static void update_resource_state(void *id,
 275                                   tmgr_trace_event_t event_type,
 276                                   double value)
 277 {
 278   cpu_L07_t cpu = id;
 279   network_link_L07_t nw_link = id ;
 280
 281   if(nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 282     DEBUG2("Updating link %s (%p)",nw_link->name,nw_link);
 283     if (event_type == nw_link->bw_event) {
 284       nw_link->bw_current = value;
 285       lmm_update_constraint_bound(ptask_maxmin_system, nw_link->constraint,
 286                                   nw_link->bw_current);
 287     } else if (event_type == nw_link->state_event) {
 288       if (value > 0)
 289         nw_link->state_current = SURF_NETWORK_LINK_ON;
 290       else
 291         nw_link->state_current = SURF_NETWORK_LINK_OFF;
 292     } else {
 293       CRITICAL0("Unknown event ! \n");
 294       xbt_abort();
 295     }
 296     return;
 297   } else if(cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 298     DEBUG3("Updating cpu %s (%p) with value %g",cpu->name,cpu,value);
 299     if (event_type == cpu->power_event) {
 300       cpu->power_current = value;
 301       lmm_update_constraint_bound(ptask_maxmin_system, cpu->constraint,
 302                                   cpu->power_current);
 303     } else if (event_type == cpu->state_event) {
 304       if (value > 0)
 305         cpu->state_current = SURF_CPU_ON;
 306       else
 307         cpu->state_current = SURF_CPU_OFF;
 308     } else {
 309       CRITICAL0("Unknown event ! \n");
 310       xbt_abort();
 311     }
 312     return;
 313   } else {
 314     DIE_IMPOSSIBLE;
 315   }
 316   return;
 317 }
 318
 319 static void finalize(void)
 320 {
 321   int i,j;
 322
 323   xbt_dict_free(&network_link_set);
 324   xbt_dict_free(&workstation_set);
 325   if (parallel_task_network_link_set != NULL) {
 326     xbt_dict_free(&parallel_task_network_link_set);
 327   }
 328   xbt_swag_free(surf_workstation_resource->common_public->states.
 329                 ready_action_set);
 330   xbt_swag_free(surf_workstation_resource->common_public->states.
 331                 running_action_set);
 332   xbt_swag_free(surf_workstation_resource->common_public->states.
 333                 failed_action_set);
 334   xbt_swag_free(surf_workstation_resource->common_public->states.
 335                 done_action_set);
 336
 337   free(surf_workstation_resource->common_public);
 338   free(surf_workstation_resource->common_private);
 339   free(surf_workstation_resource->extension_public);
 340
 341   free(surf_workstation_resource);
 342   surf_workstation_resource = NULL;
 343
 344   for (i = 0; i < nb_workstation; i++)
 345     for (j = 0; j < nb_workstation; j++)
 346       free(ROUTE(i, j).links);
 347   free(routing_table);
 348   routing_table = NULL;
 349   nb_workstation = 0;
 350
 351   if (ptask_maxmin_system) {
 352     lmm_system_free(ptask_maxmin_system);
 353     ptask_maxmin_system = NULL;
 354   }
 355 }
 356
 357 /**************************************/
 358 /******* Resource Private    **********/
 359 /**************************************/
 360
 361 static e_surf_cpu_state_t resource_get_state(void *cpu)
 362 {
 363   return ((cpu_L07_t) cpu)->state_current;
 364 }
 365
 366 static double get_speed(void *cpu, double load)
 367 {
 368   return load*(((cpu_L07_t) cpu)->power_scale);
 369 }
 370
 371 static double get_available_speed(void *cpu)
 372 {
 373   return ((cpu_L07_t) cpu)->power_current;
 374 }
 375
 376 static surf_action_t execute_parallel_task(int workstation_nb,
 377                                            void **workstation_list,
 378                                            double *computation_amount,
 379                                            double *communication_amount,
 380                                            double amount,
 381                                            double rate)
 382 {
 383   surf_action_workstation_L07_t action = NULL;
 384   int i, j, k;
 385   int nb_link = 0;
 386   int nb_host = 0;
 387
 388   if (parallel_task_network_link_set == NULL) {
 389     parallel_task_network_link_set = xbt_dict_new_ext(workstation_nb * workstation_nb * 10);
 390   }
 391
 392   /* Compute the number of affected resources... */
 393   for(i=0; i< workstation_nb; i++) {
 394     for(j=0; j< workstation_nb; j++) {
 395       cpu_L07_t card_src = workstation_list[i];
 396       cpu_L07_t card_dst = workstation_list[j];
 397       int route_size = ROUTE(card_src->id, card_dst->id).size;
 398       network_link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
 399
 400       if(communication_amount[i*workstation_nb+j]>0)
 401         for(k=0; k< route_size; k++) {
 402           xbt_dict_set(parallel_task_network_link_set, route[k]->name, route[k], NULL);
 403         }
 404     }
 405   }
 406   nb_link = xbt_dict_length(parallel_task_network_link_set);
 407   xbt_dict_reset(parallel_task_network_link_set);
 408
 409
 410   for (i = 0; i<workstation_nb; i++)
 411     if(computation_amount[i]>0) nb_host++;
 412
 413
 414   if(nb_link + nb_host == 0) /* was workstation_nb... */
 415     return NULL;
 416
 417   action = xbt_new0(s_surf_action_workstation_L07_t, 1);
 418   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
 419          action, nb_host,  nb_link);
 420   action->generic_action.using = 1;
 421   action->generic_action.cost = amount;
 422   action->generic_action.remains = amount;
 423   action->generic_action.max_duration = NO_MAX_DURATION;
 424   action->generic_action.start = -1.0;
 425   action->generic_action.finish = -1.0;
 426   action->generic_action.resource_type =
 427       (surf_resource_t) surf_workstation_resource;
 428   action->suspended = 0;  /* Should be useless because of the
 429                              calloc but it seems to help valgrind... */
 430   action->generic_action.state_set =
 431       surf_workstation_resource->common_public->states.running_action_set;
 432
 433   xbt_swag_insert(action, action->generic_action.state_set);
 434   action->rate = rate;
 435
 436   if(action->rate>0)
 437     action->variable = lmm_variable_new(ptask_maxmin_system, action, 1.0, -1.0,
 438                                         nb_host + nb_link);
 439   else
 440     action->variable = lmm_variable_new(ptask_maxmin_system, action, 1.0, action->rate,
 441                                         nb_host + nb_link);
 442
 443   for (i = 0; i<workstation_nb; i++)
 444     if(computation_amount[i]>0)
 445       lmm_expand(ptask_maxmin_system, ((cpu_L07_t) workstation_list[i])->constraint,
 446                  action->variable, computation_amount[i]);
 447
 448   for (i=0; i<workstation_nb; i++) {
 449     for(j=0; j< workstation_nb; j++) {
 450       cpu_L07_t card_src = workstation_list[i];
 451       cpu_L07_t card_dst = workstation_list[j];
 452       int route_size = ROUTE(card_src->id, card_dst->id).size;
 453       network_link_L07_t *route = ROUTE(card_src->id, card_dst->id).links;
 454
 455       for(k=0; k< route_size; k++) {
 456         if(communication_amount[i*workstation_nb+j]>0) {
 457           lmm_expand_add(ptask_maxmin_system, route[k]->constraint,
 458                        action->variable, communication_amount[i*workstation_nb+j]);
 459         }
 460       }
 461     }
 462   }
 463
 464   return (surf_action_t) action;
 465 }
 466
 467 static surf_action_t execute(void *cpu, double size)
 468 {
 469   double val = 0.0;
 470
 471   return execute_parallel_task(1, &cpu, &size, &val, 1, -1);
 472 }
 473
 474 static surf_action_t communicate(void *src, void *dst, double size, double rate)
 475 {
 476   void **workstation_list = xbt_new0(void*,2);
 477   double *computation_amount = xbt_new0(double,2);
 478   double *communication_amount = xbt_new0(double,4);
 479   surf_action_t res = NULL;
 480
 481   workstation_list[0]=src;
 482   workstation_list[1]=src;
 483   communication_amount[1] = size;
 484
 485   res = execute_parallel_task(2, workstation_list,
 486                               computation_amount, communication_amount,
 487                               1, rate);
 488
 489   free(computation_amount);
 490   free(communication_amount);
 491   free(workstation_list);
 492
 493   return res;
 494 }
 495
 496 static surf_action_t action_sleep(void *cpu, double duration)
 497 {
 498   surf_action_workstation_L07_t action = NULL;
 499
 500   XBT_IN2("(%s,%g)",((cpu_L07_t)cpu)->name,duration);
 501
 502   action = (surf_action_workstation_L07_t) execute(cpu, 1.0);
 503   action->generic_action.max_duration = duration;
 504   action->suspended = 2;
 505   lmm_update_variable_weight(ptask_maxmin_system, action->variable, 0.0);
 506
 507   XBT_OUT;
 508   return (surf_action_t) action;
 509 }
 510
 511 /* returns an array of network_link_L07_t */
 512 static const void** get_route(void *src, void *dst) {
 513   cpu_L07_t card_src = src;
 514   cpu_L07_t card_dst = dst;
 515   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
 516
 517   return (const void**) route->links;
 518 }
 519
 520 static int get_route_size(void *src, void *dst) {
 521   cpu_L07_t card_src = src;
 522   cpu_L07_t card_dst = dst;
 523   route_L07_t route = &(ROUTE(card_src->id, card_dst->id));
 524   return route->size;
 525 }
 526
 527 static const char *get_link_name(const void *link) {
 528   return ((network_link_L07_t) link)->name;
 529 }
 530
 531 static double get_link_bandwidth(const void *link) {
 532   return ((network_link_L07_t) link)->bw_current;
 533 }
 534
 535 static double get_link_latency(const void *link) {
 536   xbt_assert0(0,"This model does not implement latencies");
 537 }
 538
 539 /**************************************/
 540 /*** Resource Creation & Destruction **/
 541 /**************************************/
 542
 543 static void cpu_free(void *cpu)
 544 {
 545   free(((cpu_L07_t) cpu)->name);
 546   free(cpu);
 547 }
 548
 549 static cpu_L07_t cpu_new(const char *name, double power_scale,
 550                               double power_initial,
 551                               tmgr_trace_t power_trace,
 552                               e_surf_cpu_state_t state_initial,
 553                               tmgr_trace_t state_trace)
 554 {
 555   cpu_L07_t cpu = xbt_new0(s_cpu_L07_t, 1);
 556
 557   cpu->resource = (surf_resource_t) surf_workstation_resource;
 558   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 559   cpu->name = xbt_strdup(name);
 560   cpu->id = nb_workstation++;
 561
 562   cpu->power_scale = power_scale;
 563   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 564
 565   cpu->power_current = power_initial;
 566   if (power_trace)
 567     cpu->power_event =
 568         tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 569
 570   cpu->state_current = state_initial;
 571   if (state_trace)
 572     cpu->state_event =
 573         tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 574
 575   cpu->constraint =
 576       lmm_constraint_new(ptask_maxmin_system, cpu,
 577                          cpu->power_current * cpu->power_scale);
 578
 579   xbt_dict_set(workstation_set, name, cpu, cpu_free);
 580
 581   return cpu;
 582 }
 583
 584 static void parse_cpu(void)
 585 {
 586   double power_scale = 0.0;
 587   double power_initial = 0.0;
 588   tmgr_trace_t power_trace = NULL;
 589   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
 590   tmgr_trace_t state_trace = NULL;
 591
 592   surf_parse_get_double(&power_scale, A_surfxml_cpu_power);
 593   surf_parse_get_double(&power_initial, A_surfxml_cpu_availability);
 594   surf_parse_get_trace(&power_trace, A_surfxml_cpu_availability_file);
 595
 596   xbt_assert0((A_surfxml_cpu_state == A_surfxml_cpu_state_ON) ||
 597               (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF),
 598               "Invalid state");
 599   if (A_surfxml_cpu_state == A_surfxml_cpu_state_ON)
 600     state_initial = SURF_CPU_ON;
 601   if (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF)
 602     state_initial = SURF_CPU_OFF;
 603   surf_parse_get_trace(&state_trace, A_surfxml_cpu_state_file);
 604
 605   cpu_new(A_surfxml_cpu_name, power_scale, power_initial, power_trace,
 606           state_initial, state_trace);
 607 }
 608
 609 static void create_routing_table(void)
 610 {
 611   routing_table =
 612       xbt_new0(s_route_L07_t, nb_workstation * nb_workstation);
 613 }
 614
 615 static void network_link_free(void *nw_link)
 616 {
 617   free(((network_link_L07_t) nw_link)->name);
 618   free(nw_link);
 619 }
 620
 621 static network_link_L07_t network_link_new(char *name,
 622                                                 double bw_initial,
 623                                                 tmgr_trace_t bw_trace,
 624                                                 e_surf_network_link_state_t
 625                                                 state_initial,
 626                                                 tmgr_trace_t state_trace,
 627                                                 e_surf_network_link_sharing_policy_t policy)
 628 {
 629   network_link_L07_t nw_link = xbt_new0(s_network_link_L07_t, 1);
 630
 631
 632   nw_link->resource = (surf_resource_t) surf_workstation_resource;
 633   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 634   nw_link->name = name;
 635   nw_link->bw_current = bw_initial;
 636   if (bw_trace)
 637     nw_link->bw_event =
 638         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 639   nw_link->state_current = state_initial;
 640   if (state_trace)
 641     nw_link->state_event =
 642         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 643
 644   nw_link->constraint =
 645       lmm_constraint_new(ptask_maxmin_system, nw_link, nw_link->bw_current);
 646
 647   if(policy == SURF_NETWORK_LINK_FATPIPE)
 648     lmm_constraint_shared(nw_link->constraint);
 649
 650   xbt_dict_set(network_link_set, name, nw_link, network_link_free);
 651
 652   return nw_link;
 653 }
 654
 655 static void parse_network_link(void)
 656 {
 657   char *name;
 658   double bw_initial;
 659   tmgr_trace_t bw_trace;
 660   e_surf_network_link_state_t state_initial = SURF_NETWORK_LINK_ON;
 661   e_surf_network_link_sharing_policy_t policy_initial = SURF_NETWORK_LINK_SHARED;
 662   tmgr_trace_t state_trace;
 663
 664   name = xbt_strdup(A_surfxml_network_link_name);
 665   surf_parse_get_double(&bw_initial,A_surfxml_network_link_bandwidth);
 666   surf_parse_get_trace(&bw_trace, A_surfxml_network_link_bandwidth_file);
 667
 668   xbt_assert0((A_surfxml_network_link_state==A_surfxml_network_link_state_ON)||
 669               (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF),
 670               "Invalid state");
 671   if (A_surfxml_network_link_state==A_surfxml_network_link_state_ON)
 672     state_initial = SURF_NETWORK_LINK_ON;
 673   else if (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF)
 674     state_initial = SURF_NETWORK_LINK_OFF;
 675
 676   if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_SHARED)
 677     policy_initial = SURF_NETWORK_LINK_SHARED;
 678   else if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_FATPIPE)
 679     policy_initial = SURF_NETWORK_LINK_FATPIPE;
 680
 681   surf_parse_get_trace(&state_trace,A_surfxml_network_link_state_file);
 682
 683   network_link_new(name, bw_initial, bw_trace, state_initial, state_trace,
 684                    policy_initial);
 685 }
 686
 687 static void route_new(int src_id, int dst_id, network_link_L07_t *link_list, int nb_link)
 688 {
 689   route_L07_t route = &(ROUTE(src_id, dst_id));
 690
 691   route->size = nb_link;
 692   route->links = link_list = xbt_realloc(link_list, sizeof(network_link_L07_t) * nb_link);
 693 }
 694
 695 static int nb_link;
 696 static int link_list_capacity;
 697 static network_link_L07_t *link_list = NULL;
 698 static int src_id = -1;
 699 static int dst_id = -1;
 700
 701 static void parse_route_set_endpoints(void)
 702 {
 703   cpu_L07_t cpu_tmp = NULL;
 704
 705   cpu_tmp = (cpu_L07_t) name_service(A_surfxml_route_src);
 706   xbt_assert1(cpu_tmp,"Invalid cpu %s",A_surfxml_route_src);
 707   if(cpu_tmp != NULL) src_id = cpu_tmp->id;
 708
 709   cpu_tmp = (cpu_L07_t) name_service(A_surfxml_route_dst);
 710   xbt_assert1(cpu_tmp,"Invalid cpu %s",A_surfxml_route_dst);
 711   if(cpu_tmp != NULL)  dst_id = cpu_tmp->id;
 712
 713   nb_link = 0;
 714   link_list_capacity = 1;
 715   link_list = xbt_new(network_link_L07_t, link_list_capacity);
 716 }
 717
 718 static void parse_route_elem(void)
 719 {
 720   xbt_ex_t e;
 721   if (nb_link == link_list_capacity) {
 722     link_list_capacity *= 2;
 723     link_list = xbt_realloc(link_list, (link_list_capacity) * sizeof(network_link_L07_t));
 724   }
 725   TRY {
 726      link_list[nb_link++] = xbt_dict_get(network_link_set, A_surfxml_route_element_name);
 727   } CATCH(e) {
 728      RETHROW1("Link %s not found (dict raised this exception: %s)",A_surfxml_route_element_name);
 729   }
 730 }
 731
 732 static void parse_route_set_route(void)
 733 {
 734   if( src_id != -1 && dst_id != -1 )
 735   route_new(src_id, dst_id, link_list, nb_link);
 736 }
 737
 738 static void parse_file(const char *file)
 739 {
 740   int i;
 741
 742   /* Figuring out the cpus */
 743   surf_parse_reset_parser();
 744   ETag_surfxml_cpu_fun = parse_cpu;
 745   surf_parse_open(file);
 746   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 747   surf_parse_close();
 748
 749   create_routing_table();
 750
 751   /* Figuring out the network links */
 752   surf_parse_reset_parser();
 753   ETag_surfxml_network_link_fun = parse_network_link;
 754   surf_parse_open(file);
 755   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 756   surf_parse_close();
 757
 758   /* Building the routes */
 759   surf_parse_reset_parser();
 760   STag_surfxml_route_fun = parse_route_set_endpoints;
 761   ETag_surfxml_route_element_fun = parse_route_elem;
 762   ETag_surfxml_route_fun = parse_route_set_route;
 763   surf_parse_open(file);
 764   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 765   surf_parse_close();
 766
 767   /* Adding loopback if needed */
 768   for (i = 0; i < nb_workstation; i++)
 769     if(!ROUTE(i,i).size) {
 770       if(!loopback)
 771         loopback = network_link_new(xbt_strdup("__MSG_loopback__"),
 772                                    498000000, NULL,
 773                                    SURF_NETWORK_LINK_ON, NULL,
 774                                    SURF_NETWORK_LINK_FATPIPE);
 775
 776       ROUTE(i,i).size=1;
 777       ROUTE(i,i).links = xbt_new0(network_link_L07_t, 1);
 778       ROUTE(i,i).links[0] = loopback;
 779     }
 780 }
 781
 782 /**************************************/
 783 /********* Module  creation ***********/
 784 /**************************************/
 785
 786 static void resource_init_internal(void)
 787 {
 788   s_surf_action_t action;
 789
 790   surf_workstation_resource = xbt_new0(s_surf_workstation_resource_t, 1);
 791
 792   surf_workstation_resource->common_private =
 793       xbt_new0(s_surf_resource_private_t, 1);
 794   surf_workstation_resource->common_public =
 795       xbt_new0(s_surf_resource_public_t, 1);
 796   surf_workstation_resource->extension_public =
 797       xbt_new0(s_surf_workstation_resource_extension_public_t, 1);
 798
 799   surf_workstation_resource->common_public->states.ready_action_set =
 800       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 801   surf_workstation_resource->common_public->states.running_action_set =
 802       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 803   surf_workstation_resource->common_public->states.failed_action_set =
 804       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 805   surf_workstation_resource->common_public->states.done_action_set =
 806       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 807
 808   surf_workstation_resource->common_public->name_service = name_service;
 809   surf_workstation_resource->common_public->get_resource_name = get_resource_name;
 810   surf_workstation_resource->common_public->action_get_state = surf_action_get_state;
 811   surf_workstation_resource->common_public->action_get_start_time =
 812       surf_action_get_start_time;
 813   surf_workstation_resource->common_public->action_get_finish_time =
 814       surf_action_get_finish_time;
 815   surf_workstation_resource->common_public->action_use = action_use;
 816   surf_workstation_resource->common_public->action_free = action_free;
 817   surf_workstation_resource->common_public->action_cancel = action_cancel;
 818   surf_workstation_resource->common_public->action_recycle = action_recycle;
 819   surf_workstation_resource->common_public->action_change_state = surf_action_change_state;
 820   surf_workstation_resource->common_public->action_set_data = surf_action_set_data;
 821   surf_workstation_resource->common_public->suspend = action_suspend;
 822   surf_workstation_resource->common_public->resume = action_resume;
 823   surf_workstation_resource->common_public->is_suspended = action_is_suspended;
 824   surf_workstation_resource->common_public->set_max_duration = action_set_max_duration;
 825   surf_workstation_resource->common_public->set_priority = action_set_priority;
 826   surf_workstation_resource->common_public->name = "Workstation ptask_L07";
 827
 828   surf_workstation_resource->common_private->resource_used = resource_used;
 829   surf_workstation_resource->common_private->share_resources = share_resources;
 830   surf_workstation_resource->common_private->update_actions_state = update_actions_state;
 831   surf_workstation_resource->common_private->update_resource_state = update_resource_state;
 832   surf_workstation_resource->common_private->finalize = finalize;
 833
 834   surf_workstation_resource->extension_public->execute = execute;
 835   surf_workstation_resource->extension_public->sleep = action_sleep;
 836   surf_workstation_resource->extension_public->get_state = resource_get_state;
 837   surf_workstation_resource->extension_public->get_speed = get_speed;
 838   surf_workstation_resource->extension_public->get_available_speed = get_available_speed;
 839   surf_workstation_resource->extension_public->communicate = communicate;
 840   surf_workstation_resource->extension_public->execute_parallel_task = execute_parallel_task;
 841   surf_workstation_resource->extension_public->get_route = get_route;
 842   surf_workstation_resource->extension_public->get_route_size = get_route_size;
 843   surf_workstation_resource->extension_public->get_link_name = get_link_name;
 844   surf_workstation_resource->extension_public->get_link_bandwidth = get_link_bandwidth;
 845   surf_workstation_resource->extension_public->get_link_latency = get_link_latency;
 846
 847   workstation_set  = xbt_dict_new();
 848   network_link_set = xbt_dict_new();
 849
 850   if(!ptask_maxmin_system)
 851     ptask_maxmin_system = lmm_system_new();
 852 }
 853
 854 /**************************************/
 855 /*************** Generic **************/
 856 /**************************************/
 857 void surf_workstation_resource_init_ptask_L07(const char *filename)
 858 {
 859   xbt_assert0(!surf_cpu_resource, "CPU resource type already defined");
 860   xbt_assert0(!surf_network_resource, "network resource type already defined");
 861   resource_init_internal();
 862   parse_file(filename);
 863
 864   update_resource_description(surf_workstation_resource_description,
 865                               surf_workstation_resource_description_size,
 866                               "ptask_L07",
 867                               (surf_resource_t) surf_workstation_resource);
 868   xbt_dynar_push(resource_list, &surf_workstation_resource);
 869 }