src/surf/workstation_KCCFLN05.c

   1 /*      $Id$     */
   2
   3 /* Copyright (c) 2005 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 "workstation_KCCFLN05_private.h"
  11
  12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_workstation, surf,
  13                                 "Logging specific to the SURF workstation module (KCCFLN05)");
  14
  15 static int nb_workstation = 0;
  16 static s_route_KCCFLN05_t *routing_table = NULL;
  17 #define ROUTE(i,j) routing_table[(i)+(j)*nb_workstation]
  18 static network_link_KCCFLN05_t loopback = NULL;
  19 static xbt_dict_t parallel_task_network_link_set = NULL;
  20 //added to work with GTNETS
  21 static xbt_dict_t router_set = NULL;
  22
  23 /*xbt_dict_t network_link_set = NULL;*/
  24
  25
  26 /* convenient function */
  27 static void __update_cpu_usage(cpu_KCCFLN05_t cpu)
  28 {
  29   int cpt;
  30   surf_action_workstation_KCCFLN05_t action = NULL;
  31   if ((!xbt_dynar_length(cpu->incomming_communications)) &&
  32       (!xbt_dynar_length(cpu->outgoing_communications))) {
  33     /* No communications */
  34     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  35                                 cpu->power_current * cpu->power_scale);
  36   } else if ((!xbt_dynar_length(cpu->incomming_communications))
  37              && (xbt_dynar_length(cpu->outgoing_communications))) {
  38     /* Emission */
  39     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  40                                 cpu->power_current * cpu->power_scale *
  41                                 cpu->interference_send);
  42     xbt_dynar_foreach(cpu->outgoing_communications, cpt, action)
  43       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  44                          cpu->power_current * cpu->power_scale *
  45                          ROUTE(action->src->id, action->dst->id).impact_on_src
  46                          );
  47   } else if ((xbt_dynar_length(cpu->incomming_communications)) &&
  48              (!xbt_dynar_length(cpu->outgoing_communications))) {
  49     /* Reception */
  50     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  51                                 cpu->power_current * cpu->power_scale *
  52                                 cpu->interference_recv);
  53     xbt_dynar_foreach(cpu->incomming_communications, cpt, action)
  54       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  55                          cpu->power_current * cpu->power_scale *
  56                          ROUTE(action->src->id, action->dst->id).impact_on_dst
  57                          );
  58   } else {
  59     /* Emission & Reception */
  60     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  61                                 cpu->power_current * cpu->power_scale *
  62                                 cpu->interference_send_recv);
  63     xbt_dynar_foreach(cpu->outgoing_communications, cpt, action)
  64       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  65                          cpu->power_current * cpu->power_scale *
  66                          ROUTE(action->src->id, action->dst->id).impact_on_src_with_other_recv
  67                          );
  68     xbt_dynar_foreach(cpu->incomming_communications, cpt, action)
  69       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  70                          cpu->power_current * cpu->power_scale *
  71                          ROUTE(action->src->id, action->dst->id).impact_on_dst_with_other_send
  72                          );
  73   }
  74 }
  75
  76 /**************************************/
  77 /******* Resource Public     **********/
  78 /**************************************/
  79
  80 static void *name_service(const char *name)
  81 {
  82   xbt_ex_t e;
  83   void *res=NULL;
  84
  85   TRY {
  86     res = xbt_dict_get(workstation_set, name);
  87   } CATCH(e) {
  88     if (e.category != not_found_error)
  89       RETHROW;
  90     WARN1("Host '%s' not found, verifing if it is a router", name);
  91     res = NULL;
  92     xbt_ex_free(e);
  93   }
  94
  95   return res;
  96 }
  97
  98 static const char *get_resource_name(void *resource_id)
  99 {
 100   /* We can freely cast as a cpu_KCCFLN05_t because it has the same
 101      prefix as network_link_KCCFLN05_t. However, only cpu_KCCFLN05_t
 102      will theoretically be given as an argument here. */
 103   return ((cpu_KCCFLN05_t) resource_id)->name;
 104 }
 105
 106 /* action_get_state is inherited from the surf module */
 107
 108 static void action_use(surf_action_t action)
 109 {
 110   action->using++;
 111   return;
 112 }
 113
 114 static int action_free(surf_action_t action)
 115 {
 116   int cpt;
 117   surf_action_t act = NULL;
 118   cpu_KCCFLN05_t src = ((surf_action_workstation_KCCFLN05_t) action)->src;
 119   cpu_KCCFLN05_t dst = ((surf_action_workstation_KCCFLN05_t) action)->dst;
 120
 121   action->using--;
 122   if (!action->using) {
 123     xbt_swag_remove(action, action->state_set);
 124     if (((surf_action_workstation_KCCFLN05_t) action)->variable)
 125       lmm_variable_free(maxmin_system,
 126                         ((surf_action_workstation_KCCFLN05_t) action)->
 127                         variable);
 128     if(src)
 129       xbt_dynar_foreach(src->outgoing_communications, cpt, act)
 130         if (act == action) {
 131           xbt_dynar_remove_at(src->outgoing_communications, cpt, &act);
 132           break;
 133         }
 134
 135     if(dst)
 136       xbt_dynar_foreach(dst->incomming_communications, cpt, act)
 137         if (act == action) {
 138           xbt_dynar_remove_at(dst->incomming_communications, cpt, &act);
 139           break;
 140         }
 141
 142     if(src && (!xbt_dynar_length(src->outgoing_communications)))
 143       __update_cpu_usage(src);
 144     if(dst && (!xbt_dynar_length(dst->incomming_communications)))
 145       __update_cpu_usage(dst);
 146
 147     free(action);
 148     return 1;
 149   }
 150   return 0;
 151 }
 152
 153 static void action_cancel(surf_action_t action)
 154 {
 155   surf_action_change_state(action, SURF_ACTION_FAILED);
 156   return;
 157 }
 158
 159 static void action_recycle(surf_action_t action)
 160 {
 161   DIE_IMPOSSIBLE;
 162   return;
 163 }
 164
 165 /* action_change_state is inherited from the surf module */
 166 /* action_set_data is inherited from the surf module */
 167
 168 static void action_suspend(surf_action_t action)
 169 {
 170   XBT_IN1("(%p))",action);
 171   if(((surf_action_workstation_KCCFLN05_t) action)->suspended != 2) {
 172     ((surf_action_workstation_KCCFLN05_t) action)->suspended = 1;
 173     lmm_update_variable_weight(maxmin_system,
 174                                ((surf_action_workstation_KCCFLN05_t)
 175                                 action)->variable, 0.0);
 176   }
 177   XBT_OUT;
 178 }
 179
 180 static void action_resume(surf_action_t action)
 181 {
 182   XBT_IN1("(%p)",action);
 183   if(((surf_action_workstation_KCCFLN05_t) action)->suspended !=2) {
 184     if(((surf_action_workstation_KCCFLN05_t)action)->lat_current==0.0)
 185       lmm_update_variable_weight(maxmin_system,
 186                                  ((surf_action_workstation_KCCFLN05_t)
 187                                   action)->variable, 1.0);
 188     else
 189       lmm_update_variable_weight(maxmin_system,
 190                                  ((surf_action_workstation_KCCFLN05_t) action)->variable,
 191                                  ((surf_action_workstation_KCCFLN05_t) action)->lat_current);
 192
 193     ((surf_action_workstation_KCCFLN05_t) action)->suspended = 0;
 194   }
 195   XBT_OUT;
 196 }
 197
 198 static int action_is_suspended(surf_action_t action)
 199 {
 200   return (((surf_action_workstation_KCCFLN05_t) action)->suspended==1);
 201 }
 202
 203 static void action_set_max_duration(surf_action_t action, double duration)
 204 {                               /* FIXME: should inherit */
 205   XBT_IN2("(%p,%g)",action,duration);
 206   action->max_duration = duration;
 207   XBT_OUT;
 208 }
 209
 210
 211 static void action_set_priority(surf_action_t action, double priority)
 212 {                               /* FIXME: should inherit */
 213   XBT_IN2("(%p,%g)",action,priority);
 214   action->priority = priority;
 215   XBT_OUT;
 216 }
 217
 218 /**************************************/
 219 /******* Resource Private    **********/
 220 /**************************************/
 221
 222 static int resource_used(void *resource_id)
 223 {
 224   /* We can freely cast as a network_link_KCCFLN05_t because it has
 225      the same prefix as cpu_KCCFLN05_t */
 226   if(((cpu_KCCFLN05_t) resource_id)->type == SURF_WORKSTATION_RESOURCE_CPU)
 227     return (lmm_constraint_used(maxmin_system,
 228                                ((cpu_KCCFLN05_t) resource_id)->
 229                                constraint) ||
 230             ((((cpu_KCCFLN05_t) resource_id)->bus)?
 231              lmm_constraint_used(maxmin_system,
 232                                 ((cpu_KCCFLN05_t) resource_id)->
 233                                 bus):0));
 234   else
 235     return lmm_constraint_used(maxmin_system,
 236                                ((network_link_KCCFLN05_t) resource_id)->
 237                                constraint);
 238
 239 }
 240
 241 static double share_resources(double now)
 242 {
 243   s_surf_action_workstation_KCCFLN05_t s_action;
 244   surf_action_workstation_KCCFLN05_t action = NULL;
 245
 246   xbt_swag_t running_actions = surf_workstation_resource->common_public->states.running_action_set;
 247   double min = generic_maxmin_share_resources(running_actions,
 248                                               xbt_swag_offset(s_action, variable));
 249
 250   xbt_swag_foreach(action, running_actions) {
 251     if(action->latency>0) {
 252       if(min<0) {
 253         min = action->latency;
 254         DEBUG3("Updating min (value) with %p (start %f): %f",action,
 255                action->generic_action.start, min);
 256       }
 257       else if (action->latency<min) {
 258         min = action->latency;
 259         DEBUG3("Updating min (latency) with %p (start %f): %f",action,
 260                action->generic_action.start, min);
 261       }
 262     }
 263   }
 264
 265   DEBUG1("min value : %f",min);
 266
 267   return min;
 268 }
 269
 270 static void update_actions_state(double now, double delta)
 271 {
 272   double deltap = 0.0;
 273   surf_action_workstation_KCCFLN05_t action = NULL;
 274   surf_action_workstation_KCCFLN05_t next_action = NULL;
 275   xbt_swag_t running_actions =
 276       surf_workstation_resource->common_public->states.running_action_set;
 277
 278   xbt_swag_foreach_safe(action, next_action, running_actions) {
 279     deltap = delta;
 280     if (action->latency > 0) {
 281       if (action->latency > deltap) {
 282         double_update(&(action->latency), deltap);
 283         deltap = 0.0;
 284       } else {
 285         double_update(&(deltap), action->latency);
 286         action->latency = 0.0;
 287       }
 288       if ((action->latency == 0.0) && (action->suspended==0)) {
 289         if((action)->lat_current==0.0)
 290           lmm_update_variable_weight(maxmin_system,action->variable, 1.0);
 291         else
 292           lmm_update_variable_weight(maxmin_system, action->variable,
 293                                      action->lat_current);
 294       }
 295     }
 296     DEBUG3("Action (%p) : remains (%g) updated by %g.",
 297            action, action->generic_action.remains,
 298            lmm_variable_getvalue(action->variable) * deltap);
 299     double_update(&(action->generic_action.remains),
 300                        lmm_variable_getvalue(action->variable) * deltap);
 301
 302     if (action->generic_action.max_duration != NO_MAX_DURATION)
 303       double_update(&(action->generic_action.max_duration), delta);
 304
 305     if ((action->generic_action.remains <= 0) &&
 306         (lmm_get_variable_weight(action->variable)>0)) {
 307       action->generic_action.finish = surf_get_clock();
 308       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 309     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 310                (action->generic_action.max_duration <= 0)) {
 311       action->generic_action.finish = surf_get_clock();
 312       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 313     } else {
 314       /* Need to check that none of the resource has failed */
 315       lmm_constraint_t cnst = NULL;
 316       int i = 0;
 317       void *constraint_id = NULL;
 318
 319       while ((cnst =
 320               lmm_get_cnst_from_var(maxmin_system, action->variable,
 321                                     i++))) {
 322         constraint_id = lmm_constraint_id(cnst);
 323
 324 /*      if(((network_link_KCCFLN05_t)constraint_id)->type== */
 325 /*         SURF_WORKSTATION_RESOURCE_LINK) { */
 326 /*        DEBUG2("Checking for link %s (%p)", */
 327 /*               ((network_link_KCCFLN05_t)constraint_id)->name, */
 328 /*               ((network_link_KCCFLN05_t)constraint_id)); */
 329 /*      } */
 330 /*      if(((cpu_KCCFLN05_t)constraint_id)->type== */
 331 /*         SURF_WORKSTATION_RESOURCE_CPU) { */
 332 /*        DEBUG3("Checking for cpu %s (%p) : %s", */
 333 /*               ((cpu_KCCFLN05_t)constraint_id)->name, */
 334 /*               ((cpu_KCCFLN05_t)constraint_id), */
 335 /*               ((cpu_KCCFLN05_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
 336 /*      } */
 337
 338         if(((((network_link_KCCFLN05_t)constraint_id)->type==
 339              SURF_WORKSTATION_RESOURCE_LINK) &&
 340             (((network_link_KCCFLN05_t)constraint_id)->state_current==
 341              SURF_NETWORK_LINK_OFF)) ||
 342            ((((cpu_KCCFLN05_t)constraint_id)->type==
 343              SURF_WORKSTATION_RESOURCE_CPU) &&
 344             (((cpu_KCCFLN05_t)constraint_id)->state_current==
 345              SURF_CPU_OFF))) {
 346           DEBUG1("Action (%p) Failed!!",action);
 347           action->generic_action.finish = surf_get_clock();
 348           surf_action_change_state((surf_action_t) action, SURF_ACTION_FAILED);
 349           break;
 350         }
 351       }
 352     }
 353   }
 354   return;
 355 }
 356
 357 static void update_resource_state(void *id,
 358                                   tmgr_trace_event_t event_type,
 359                                   double value)
 360 {
 361   cpu_KCCFLN05_t cpu = id;
 362   network_link_KCCFLN05_t nw_link = id ;
 363
 364   if(nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 365     DEBUG2("Updating link %s (%p)",nw_link->name,nw_link);
 366     if (event_type == nw_link->bw_event) {
 367       nw_link->bw_current = value;
 368       lmm_update_constraint_bound(maxmin_system, nw_link->constraint,
 369                                   nw_link->bw_current);
 370     } else if (event_type == nw_link->lat_event) {
 371       double delta = value - nw_link->lat_current;
 372       lmm_variable_t var = NULL;
 373       surf_action_workstation_KCCFLN05_t action = NULL;
 374
 375       nw_link->lat_current = value;
 376       while (lmm_get_var_from_cnst(maxmin_system, nw_link->constraint, &var)) {
 377         action = lmm_variable_id(var);
 378         action->lat_current += delta;
 379         if(action->rate<0)
 380           lmm_update_variable_bound(maxmin_system, action->variable,
 381                                     SG_TCP_CTE_GAMMA / (2.0 * action->lat_current));
 382         else
 383           lmm_update_variable_bound(maxmin_system, action->variable,
 384                                     min(action->rate,SG_TCP_CTE_GAMMA / (2.0 * action->lat_current)));
 385         if(action->suspended==0)
 386           lmm_update_variable_weight(maxmin_system, action->variable,
 387                                      action->lat_current);
 388         lmm_update_variable_latency(maxmin_system, action->variable, delta);
 389
 390
 391       }
 392     } else if (event_type == nw_link->state_event) {
 393       if (value > 0)
 394         nw_link->state_current = SURF_NETWORK_LINK_ON;
 395       else
 396         nw_link->state_current = SURF_NETWORK_LINK_OFF;
 397     } else {
 398       CRITICAL0("Unknown event ! \n");
 399       xbt_abort();
 400     }
 401     return;
 402   } else if(cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 403     DEBUG3("Updating cpu %s (%p) with value %g",cpu->name,cpu,value);
 404     if (event_type == cpu->power_event) {
 405       cpu->power_current = value;
 406       __update_cpu_usage(cpu);
 407     } else if (event_type == cpu->state_event) {
 408       if (value > 0)
 409         cpu->state_current = SURF_CPU_ON;
 410       else
 411         cpu->state_current = SURF_CPU_OFF;
 412     } else {
 413       CRITICAL0("Unknown event ! \n");
 414       xbt_abort();
 415     }
 416     return;
 417   } else {
 418     DIE_IMPOSSIBLE;
 419   }
 420   return;
 421 }
 422
 423 static void finalize(void)
 424 {
 425   int i,j;
 426
 427   xbt_dict_free(&network_link_set);
 428   xbt_dict_free(&workstation_set);
 429   xbt_dict_free(&router_set);
 430   if (parallel_task_network_link_set != NULL) {
 431     xbt_dict_free(&parallel_task_network_link_set);
 432   }
 433   xbt_swag_free(surf_workstation_resource->common_public->states.
 434                 ready_action_set);
 435   xbt_swag_free(surf_workstation_resource->common_public->states.
 436                 running_action_set);
 437   xbt_swag_free(surf_workstation_resource->common_public->states.
 438                 failed_action_set);
 439   xbt_swag_free(surf_workstation_resource->common_public->states.
 440                 done_action_set);
 441
 442   free(surf_workstation_resource->common_public);
 443   free(surf_workstation_resource->common_private);
 444   free(surf_workstation_resource->extension_public);
 445
 446   free(surf_workstation_resource);
 447   surf_workstation_resource = NULL;
 448
 449   for (i = 0; i < nb_workstation; i++)
 450     for (j = 0; j < nb_workstation; j++)
 451       free(ROUTE(i, j).links);
 452   free(routing_table);
 453   routing_table = NULL;
 454   nb_workstation = 0;
 455
 456   if (maxmin_system) {
 457     lmm_system_free(maxmin_system);
 458     maxmin_system = NULL;
 459   }
 460 }
 461
 462 /**************************************/
 463 /******* Resource Private    **********/
 464 /**************************************/
 465
 466 static surf_action_t execute(void *cpu, double size)
 467 {
 468   surf_action_workstation_KCCFLN05_t action = NULL;
 469   cpu_KCCFLN05_t CPU = cpu;
 470
 471   XBT_IN2("(%s,%g)",CPU->name,size);
 472   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 473
 474   action->generic_action.using = 1;
 475   action->generic_action.cost = size;
 476   action->generic_action.remains = size;
 477   action->generic_action.priority = 1.0;
 478   action->generic_action.max_duration = NO_MAX_DURATION;
 479   action->generic_action.start = surf_get_clock();
 480   action->generic_action.finish = -1.0;
 481   action->generic_action.resource_type =
 482       (surf_resource_t) surf_workstation_resource;
 483   action->suspended = 0;
 484
 485   if (CPU->state_current == SURF_CPU_ON)
 486     action->generic_action.state_set =
 487         surf_workstation_resource->common_public->states.running_action_set;
 488   else
 489     action->generic_action.state_set =
 490         surf_workstation_resource->common_public->states.failed_action_set;
 491   xbt_swag_insert(action, action->generic_action.state_set);
 492
 493   action->variable = lmm_variable_new(maxmin_system, action,
 494                                       action->generic_action.priority, -1.0, 1);
 495   lmm_expand(maxmin_system, CPU->constraint, action->variable,
 496              1.0);
 497   XBT_OUT;
 498   return (surf_action_t) action;
 499 }
 500
 501 static surf_action_t action_sleep(void *cpu, double duration)
 502 {
 503   surf_action_workstation_KCCFLN05_t action = NULL;
 504
 505   XBT_IN2("(%s,%g)",((cpu_KCCFLN05_t)cpu)->name,duration);
 506
 507   action = (surf_action_workstation_KCCFLN05_t) execute(cpu, 1.0);
 508   action->generic_action.max_duration = duration;
 509   action->suspended = 2;
 510   lmm_update_variable_weight(maxmin_system, action->variable, 0.0);
 511
 512   XBT_OUT;
 513   return (surf_action_t) action;
 514 }
 515
 516 static e_surf_cpu_state_t resource_get_state(void *cpu)
 517 {
 518   return ((cpu_KCCFLN05_t) cpu)->state_current;
 519 }
 520
 521 static double get_speed(void *cpu, double load)
 522 {
 523   return load*(((cpu_KCCFLN05_t) cpu)->power_scale);
 524 }
 525
 526 static double get_available_speed(void *cpu)
 527 {
 528   return ((cpu_KCCFLN05_t) cpu)->power_current;
 529 }
 530
 531
 532 static surf_action_t communicate(void *src, void *dst, double size, double rate)
 533 {
 534   surf_action_workstation_KCCFLN05_t action = NULL;
 535   cpu_KCCFLN05_t card_src = src;
 536   cpu_KCCFLN05_t card_dst = dst;
 537   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 538   int route_size = route->size;
 539   int i;
 540
 541   XBT_IN4("(%s,%s,%g,%g)",card_src->name,card_dst->name,size,rate);
 542   xbt_assert2(route_size,"You're trying to send data from %s to %s but there is no connexion between these two cards.", card_src->name, card_dst->name);
 543
 544   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 545
 546   action->generic_action.using = 1;
 547   action->generic_action.cost = size;
 548   action->generic_action.remains = size;
 549   action->generic_action.max_duration = NO_MAX_DURATION;
 550   action->generic_action.start = surf_get_clock();
 551   action->generic_action.finish = -1.0;
 552   action->src = src;
 553   action->dst = dst;
 554   action->generic_action.resource_type =
 555     (surf_resource_t) surf_workstation_resource;
 556   action->suspended = 0;  /* Should be useless because of the
 557                              calloc but it seems to help valgrind... */
 558   action->generic_action.state_set =
 559       surf_workstation_resource->common_public->states.running_action_set;
 560
 561   xbt_dynar_push(card_src->outgoing_communications, &action);
 562   xbt_dynar_push(card_dst->incomming_communications, &action);
 563
 564   xbt_swag_insert(action, action->generic_action.state_set);
 565   action->rate = rate;
 566
 567   action->latency = 0.0;
 568   for (i = 0; i < route_size; i++)
 569     action->latency += route->links[i]->lat_current;
 570   action->lat_current = action->latency;
 571
 572   if(action->latency>0)
 573     action->variable = lmm_variable_new(maxmin_system, action, 0.0, -1.0,
 574                                         route_size+4); /* +1 for the src bus
 575                                                           +1 for the dst bus
 576                                                           +1 for the src cpu
 577                                                           +1 for the dst cpu */
 578   else
 579     action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
 580                                         route_size+4);
 581
 582   if(action->rate<0) {
 583     if(action->lat_current>0)
 584       lmm_update_variable_bound(maxmin_system, action->variable,
 585                                 SG_TCP_CTE_GAMMA / (2.0 * action->lat_current));
 586     else
 587       lmm_update_variable_bound(maxmin_system, action->variable, -1.0);
 588   } else {
 589     if(action->lat_current>0)
 590       lmm_update_variable_bound(maxmin_system, action->variable,
 591                                 min(action->rate,SG_TCP_CTE_GAMMA / (2.0 * action->lat_current)));
 592     else
 593       lmm_update_variable_bound(maxmin_system, action->variable, action->rate);
 594   }
 595
 596   lmm_update_variable_latency(maxmin_system, action->variable, action->latency);
 597
 598   for (i = 0; i < route_size; i++)
 599     lmm_expand(maxmin_system, route->links[i]->constraint, action->variable, 1.0);
 600   if (card_src->bus)
 601     lmm_expand(maxmin_system, card_src->bus, action->variable, 1.0);
 602   if (card_dst->bus)
 603     lmm_expand(maxmin_system, card_dst->bus, action->variable, 1.0);
 604   lmm_expand(maxmin_system, card_src->constraint, action->variable, 0.0);
 605   lmm_expand(maxmin_system, card_dst->constraint, action->variable, 0.0);
 606
 607   XBT_OUT;
 608   return (surf_action_t) action;
 609 }
 610
 611 static surf_action_t execute_parallel_task(int workstation_nb,
 612                                            void **workstation_list,
 613                                            double *computation_amount,
 614                                            double *communication_amount,
 615                                            double amount,
 616                                            double rate)
 617 {
 618   surf_action_workstation_KCCFLN05_t action = NULL;
 619   int i, j, k;
 620   int nb_link = 0;
 621   int nb_host = 0;
 622
 623   if (parallel_task_network_link_set == NULL) {
 624     parallel_task_network_link_set = xbt_dict_new_ext(workstation_nb * workstation_nb * 10);
 625   }
 626
 627   /* Compute the number of affected resources... */
 628   for(i=0; i< workstation_nb; i++) {
 629     for(j=0; j< workstation_nb; j++) {
 630       cpu_KCCFLN05_t card_src = workstation_list[i];
 631       cpu_KCCFLN05_t card_dst = workstation_list[j];
 632       int route_size = ROUTE(card_src->id, card_dst->id).size;
 633       network_link_KCCFLN05_t *route = ROUTE(card_src->id, card_dst->id).links;
 634
 635       if(communication_amount[i*workstation_nb+j]>0)
 636         for(k=0; k< route_size; k++) {
 637           xbt_dict_set(parallel_task_network_link_set, route[k]->name, route[k], NULL);
 638         }
 639     }
 640   }
 641   nb_link = xbt_dict_length(parallel_task_network_link_set);
 642   xbt_dict_reset(parallel_task_network_link_set);
 643
 644
 645   for (i = 0; i<workstation_nb; i++)
 646     if(computation_amount[i]>0) nb_host++;
 647
 648
 649   if(nb_link + nb_host == 0) /* was workstation_nb... */
 650     return NULL;
 651
 652   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 653   DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
 654          action, nb_host,  nb_link);
 655   action->generic_action.using = 1;
 656   action->generic_action.cost = amount;
 657   action->generic_action.remains = amount;
 658   action->generic_action.max_duration = NO_MAX_DURATION;
 659   action->generic_action.start = -1.0;
 660   action->generic_action.finish = -1.0;
 661   action->generic_action.resource_type =
 662       (surf_resource_t) surf_workstation_resource;
 663   action->suspended = 0;  /* Should be useless because of the
 664                              calloc but it seems to help valgrind... */
 665   action->generic_action.state_set =
 666       surf_workstation_resource->common_public->states.running_action_set;
 667
 668   xbt_swag_insert(action, action->generic_action.state_set);
 669   action->rate = rate;
 670
 671   if(action->rate>0)
 672     action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
 673                                         nb_host + nb_link);
 674   else
 675     action->variable = lmm_variable_new(maxmin_system, action, 1.0, action->rate,
 676                                         nb_host + nb_link);
 677
 678   for (i = 0; i<workstation_nb; i++)
 679     if(computation_amount[i]>0)
 680       lmm_expand(maxmin_system, ((cpu_KCCFLN05_t) workstation_list[i])->constraint,
 681                  action->variable, computation_amount[i]);
 682
 683   for (i=0; i<workstation_nb; i++) {
 684     for(j=0; j< workstation_nb; j++) {
 685       cpu_KCCFLN05_t card_src = workstation_list[i];
 686       cpu_KCCFLN05_t card_dst = workstation_list[j];
 687       int route_size = ROUTE(card_src->id, card_dst->id).size;
 688       network_link_KCCFLN05_t *route = ROUTE(card_src->id, card_dst->id).links;
 689
 690       for(k=0; k< route_size; k++) {
 691         if(communication_amount[i*workstation_nb+j]>0) {
 692           lmm_expand_add(maxmin_system, route[k]->constraint,
 693                        action->variable, communication_amount[i*workstation_nb+j]);
 694         }
 695       }
 696     }
 697   }
 698
 699   return (surf_action_t) action;
 700 }
 701
 702 /* returns an array of network_link_KCCFLN05_t */
 703 static const void** get_route(void *src, void *dst) {
 704   cpu_KCCFLN05_t card_src = src;
 705   cpu_KCCFLN05_t card_dst = dst;
 706   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 707
 708   return (const void**) route->links;
 709 }
 710
 711 static int get_route_size(void *src, void *dst) {
 712   cpu_KCCFLN05_t card_src = src;
 713   cpu_KCCFLN05_t card_dst = dst;
 714   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 715   return route->size;
 716 }
 717
 718 static const char *get_link_name(const void *link) {
 719   return ((network_link_KCCFLN05_t) link)->name;
 720 }
 721
 722 static double get_link_bandwidth(const void *link) {
 723   return ((network_link_KCCFLN05_t) link)->bw_current;
 724 }
 725
 726 static double get_link_latency(const void *link) {
 727   return ((network_link_KCCFLN05_t) link)->lat_current;
 728 }
 729
 730 /**************************************/
 731 /*** Resource Creation & Destruction **/
 732 /**************************************/
 733
 734
 735 static void router_free(void *router)
 736 {
 737   free( ((router_KCCFLN05_t) router)->name );
 738 }
 739
 740 static void router_new(const char *name)
 741 {
 742   static unsigned int nb_routers = 0;
 743
 744   INFO1("Creating a router %s", name);
 745
 746   router_KCCFLN05_t router;
 747   router = xbt_new0(s_router_KCCFLN05_t, 1);
 748
 749   router->name = xbt_strdup(name);
 750   router->id   = nb_routers++;
 751   xbt_dict_set(router_set, name, router, router_free);
 752 }
 753
 754 static void parse_routers(void)
 755 {
 756   //add a dumb router just to be GTNETS compatible
 757   router_new(A_surfxml_router_name);
 758 }
 759
 760 static void cpu_free(void *cpu)
 761 {
 762   free(((cpu_KCCFLN05_t) cpu)->name);
 763   xbt_dynar_free(&(((cpu_KCCFLN05_t) cpu)->incomming_communications));
 764   xbt_dynar_free(&(((cpu_KCCFLN05_t) cpu)->outgoing_communications));
 765   free(cpu);
 766 }
 767
 768 static cpu_KCCFLN05_t cpu_new(const char *name, double power_scale,
 769                               double power_initial,
 770                               tmgr_trace_t power_trace,
 771                               e_surf_cpu_state_t state_initial,
 772                               tmgr_trace_t state_trace,
 773                               double interference_send,
 774                               double interference_recv,
 775                               double interference_send_recv,
 776                               double max_outgoing_rate)
 777 {
 778   cpu_KCCFLN05_t cpu = xbt_new0(s_cpu_KCCFLN05_t, 1);
 779
 780   cpu->resource = (surf_resource_t) surf_workstation_resource;
 781   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 782   cpu->name = xbt_strdup(name);
 783   cpu->id = nb_workstation++;
 784
 785   cpu->power_scale = power_scale;
 786   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 787
 788   cpu->power_current = power_initial;
 789   if (power_trace)
 790     cpu->power_event =
 791         tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 792
 793   cpu->state_current = state_initial;
 794   if (state_trace)
 795     cpu->state_event =
 796         tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 797
 798   cpu->interference_send = interference_send;
 799   cpu->interference_recv = interference_recv;
 800   cpu->interference_send_recv = interference_send_recv;
 801
 802   cpu->constraint =
 803       lmm_constraint_new(maxmin_system, cpu,
 804                          cpu->power_current * cpu->power_scale);
 805   if (max_outgoing_rate > 0)
 806     cpu->bus = lmm_constraint_new(maxmin_system, cpu, max_outgoing_rate);
 807
 808   cpu->incomming_communications =
 809       xbt_dynar_new(sizeof(surf_action_workstation_KCCFLN05_t), NULL);
 810   cpu->outgoing_communications =
 811       xbt_dynar_new(sizeof(surf_action_workstation_KCCFLN05_t), NULL);
 812
 813   xbt_dict_set(workstation_set, name, cpu, cpu_free);
 814
 815   return cpu;
 816 }
 817
 818 static void parse_cpu(void)
 819 {
 820   double power_scale = 0.0;
 821   double power_initial = 0.0;
 822   tmgr_trace_t power_trace = NULL;
 823   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
 824   tmgr_trace_t state_trace = NULL;
 825   double interference_send = 0.0;
 826   double interference_recv = 0.0;
 827   double interference_send_recv = 0.0;
 828   double max_outgoing_rate = -1.0;
 829
 830   surf_parse_get_double(&power_scale, A_surfxml_cpu_power);
 831   surf_parse_get_double(&power_initial, A_surfxml_cpu_availability);
 832   surf_parse_get_trace(&power_trace, A_surfxml_cpu_availability_file);
 833
 834   xbt_assert0((A_surfxml_cpu_state == A_surfxml_cpu_state_ON) ||
 835               (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF),
 836               "Invalid state");
 837   if (A_surfxml_cpu_state == A_surfxml_cpu_state_ON)
 838     state_initial = SURF_CPU_ON;
 839   if (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF)
 840     state_initial = SURF_CPU_OFF;
 841   surf_parse_get_trace(&state_trace, A_surfxml_cpu_state_file);
 842
 843   surf_parse_get_double(&interference_send,
 844                         A_surfxml_cpu_interference_send);
 845   surf_parse_get_double(&interference_recv,
 846                         A_surfxml_cpu_interference_recv);
 847   surf_parse_get_double(&interference_send_recv,
 848                         A_surfxml_cpu_interference_send_recv);
 849   surf_parse_get_double(&max_outgoing_rate,
 850                         A_surfxml_cpu_max_outgoing_rate);
 851
 852   cpu_new(A_surfxml_cpu_name, power_scale, power_initial, power_trace,
 853           state_initial, state_trace, interference_send, interference_recv,
 854           interference_send_recv, max_outgoing_rate);
 855 }
 856
 857 static void create_routing_table(void)
 858 {
 859   routing_table =
 860       xbt_new0(s_route_KCCFLN05_t, nb_workstation * nb_workstation);
 861 }
 862
 863 static void network_link_free(void *nw_link)
 864 {
 865   free(((network_link_KCCFLN05_t) nw_link)->name);
 866   free(nw_link);
 867 }
 868
 869 static network_link_KCCFLN05_t network_link_new(char *name,
 870                                                 double bw_initial,
 871                                                 tmgr_trace_t bw_trace,
 872                                                 double lat_initial,
 873                                                 tmgr_trace_t lat_trace,
 874                                                 e_surf_network_link_state_t
 875                                                 state_initial,
 876                                                 tmgr_trace_t state_trace,
 877                                                 e_surf_network_link_sharing_policy_t policy)
 878 {
 879   network_link_KCCFLN05_t nw_link = xbt_new0(s_network_link_KCCFLN05_t, 1);
 880
 881
 882   nw_link->resource = (surf_resource_t) surf_workstation_resource;
 883   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 884   nw_link->name = name;
 885   nw_link->bw_current = bw_initial;
 886   if (bw_trace)
 887     nw_link->bw_event =
 888         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 889   nw_link->state_current = state_initial;
 890   nw_link->lat_current = lat_initial;
 891   if (lat_trace)
 892     nw_link->lat_event =
 893         tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 894   if (state_trace)
 895     nw_link->state_event =
 896         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 897
 898   nw_link->constraint =
 899       lmm_constraint_new(maxmin_system, nw_link, nw_link->bw_current);
 900
 901   if(policy == SURF_NETWORK_LINK_FATPIPE)
 902     lmm_constraint_shared(nw_link->constraint);
 903
 904   xbt_dict_set(network_link_set, name, nw_link, network_link_free);
 905
 906   return nw_link;
 907 }
 908
 909 static void parse_network_link(void)
 910 {
 911   char *name;
 912   double bw_initial;
 913   tmgr_trace_t bw_trace;
 914   double lat_initial;
 915   tmgr_trace_t lat_trace;
 916   e_surf_network_link_state_t state_initial = SURF_NETWORK_LINK_ON;
 917   e_surf_network_link_sharing_policy_t policy_initial = SURF_NETWORK_LINK_SHARED;
 918   tmgr_trace_t state_trace;
 919
 920   name = xbt_strdup(A_surfxml_network_link_name);
 921   surf_parse_get_double(&bw_initial,A_surfxml_network_link_bandwidth);
 922   surf_parse_get_trace(&bw_trace, A_surfxml_network_link_bandwidth_file);
 923   surf_parse_get_double(&lat_initial,A_surfxml_network_link_latency);
 924   surf_parse_get_trace(&lat_trace, A_surfxml_network_link_latency_file);
 925
 926   xbt_assert0((A_surfxml_network_link_state==A_surfxml_network_link_state_ON)||
 927               (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF),
 928               "Invalid state");
 929   if (A_surfxml_network_link_state==A_surfxml_network_link_state_ON)
 930     state_initial = SURF_NETWORK_LINK_ON;
 931   else if (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF)
 932     state_initial = SURF_NETWORK_LINK_OFF;
 933
 934   if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_SHARED)
 935     policy_initial = SURF_NETWORK_LINK_SHARED;
 936   else if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_FATPIPE)
 937     policy_initial = SURF_NETWORK_LINK_FATPIPE;
 938
 939   surf_parse_get_trace(&state_trace,A_surfxml_network_link_state_file);
 940
 941   network_link_new(name, bw_initial, bw_trace,
 942                    lat_initial, lat_trace, state_initial, state_trace,
 943                    policy_initial);
 944 }
 945
 946 static void route_new(int src_id, int dst_id, network_link_KCCFLN05_t *link_list, int nb_link,
 947                       double impact_on_src, double impact_on_dst,
 948                       double impact_on_src_with_other_recv,
 949                       double impact_on_dst_with_other_send)
 950 {
 951   route_KCCFLN05_t route = &(ROUTE(src_id, dst_id));
 952
 953   route->size = nb_link;
 954   route->links = link_list = xbt_realloc(link_list, sizeof(network_link_KCCFLN05_t) * nb_link);
 955   route->impact_on_src = impact_on_src;
 956   route->impact_on_dst = impact_on_src;
 957   route->impact_on_src_with_other_recv = impact_on_src_with_other_recv;
 958   route->impact_on_dst_with_other_send = impact_on_dst_with_other_send;
 959 }
 960
 961 static int nb_link;
 962 static int link_list_capacity;
 963 static network_link_KCCFLN05_t *link_list = NULL;
 964 static int src_id = -1;
 965 static int dst_id = -1;
 966 static double impact_on_src;
 967 static double impact_on_dst;
 968 static double impact_on_src_with_other_recv;
 969 static double impact_on_dst_with_other_send;
 970
 971 static void parse_route_set_endpoints(void)
 972 {
 973   cpu_KCCFLN05_t cpu_tmp = NULL;
 974
 975   cpu_tmp = (cpu_KCCFLN05_t) name_service(A_surfxml_route_src);
 976   if(cpu_tmp != NULL) {
 977     src_id = cpu_tmp->id;
 978   }else {
 979     xbt_assert1(xbt_dict_get_or_null(router_set, A_surfxml_route_src),
 980                "Invalid name '%s': neither a cpu nor a router!",
 981                A_surfxml_route_src);
 982     src_id=-1;
 983     return;
 984   }
 985
 986   cpu_tmp = (cpu_KCCFLN05_t) name_service(A_surfxml_route_dst);
 987   if(cpu_tmp != NULL) {
 988     dst_id = cpu_tmp->id;
 989   }else {
 990     xbt_assert1(xbt_dict_get_or_null(router_set, A_surfxml_route_dst),
 991                "Invalid name '%s': neither a cpu nor a router!",
 992                A_surfxml_route_dst);
 993     dst_id=-1;
 994     return ;
 995   }
 996
 997   surf_parse_get_double(&impact_on_src, A_surfxml_route_impact_on_src);
 998   surf_parse_get_double(&impact_on_dst, A_surfxml_route_impact_on_dst);
 999   surf_parse_get_double(&impact_on_src_with_other_recv,
1000                         A_surfxml_route_impact_on_src_with_other_recv);
1001   surf_parse_get_double(&impact_on_dst_with_other_send,
1002                         A_surfxml_route_impact_on_dst_with_other_send);
1003
1004   nb_link = 0;
1005   link_list_capacity = 1;
1006   link_list = xbt_new(network_link_KCCFLN05_t, link_list_capacity);
1007
1008 }
1009
1010 static void parse_route_elem(void)
1011 {
1012   xbt_ex_t e;
1013   if (nb_link == link_list_capacity) {
1014     link_list_capacity *= 2;
1015     link_list = xbt_realloc(link_list, (link_list_capacity) * sizeof(network_link_KCCFLN05_t));
1016   }
1017   TRY {
1018      link_list[nb_link++] = xbt_dict_get(network_link_set, A_surfxml_route_element_name);
1019   } CATCH(e) {
1020      RETHROW1("Link %s not found (dict raised this exception: %s)",A_surfxml_route_element_name);
1021   }
1022 }
1023
1024 static void parse_route_set_route(void)
1025 {
1026   if( src_id != -1 && dst_id != -1 )
1027   route_new(src_id, dst_id, link_list, nb_link, impact_on_src,
1028             impact_on_dst, impact_on_src_with_other_recv,
1029             impact_on_dst_with_other_send);
1030 }
1031
1032 static void parse_file(const char *file)
1033 {
1034   int i;
1035
1036   /* Figuring out the cpus */
1037   surf_parse_reset_parser();
1038   ETag_surfxml_cpu_fun = parse_cpu;
1039   surf_parse_open(file);
1040   xbt_assert1((!surf_parse()), "Parse error in %s", file);
1041   surf_parse_close();
1042
1043   create_routing_table();
1044
1045   /* Figuring out the router (added after GTNETS) */
1046   surf_parse_reset_parser();
1047   STag_surfxml_router_fun=parse_routers;
1048   surf_parse_open(file);
1049   xbt_assert1((!surf_parse()),"Parse error in %s",file);
1050   surf_parse_close();
1051
1052   /* Figuring out the network links */
1053   surf_parse_reset_parser();
1054   ETag_surfxml_network_link_fun = parse_network_link;
1055   surf_parse_open(file);
1056   xbt_assert1((!surf_parse()), "Parse error in %s", file);
1057   surf_parse_close();
1058
1059   /* Building the routes */
1060   surf_parse_reset_parser();
1061   STag_surfxml_route_fun = parse_route_set_endpoints;
1062   ETag_surfxml_route_element_fun = parse_route_elem;
1063   ETag_surfxml_route_fun = parse_route_set_route;
1064   surf_parse_open(file);
1065   xbt_assert1((!surf_parse()), "Parse error in %s", file);
1066   surf_parse_close();
1067
1068   /* Adding loopback if needed */
1069   for (i = 0; i < nb_workstation; i++)
1070     if(!ROUTE(i,i).size) {
1071       if(!loopback)
1072         loopback = network_link_new(xbt_strdup("__MSG_loopback__"),
1073                                    498000000, NULL, 0.000015, NULL,
1074                                    SURF_NETWORK_LINK_ON, NULL,
1075                                    SURF_NETWORK_LINK_FATPIPE);
1076       ROUTE(i,i).size=1;
1077       ROUTE(i,i).links = xbt_new0(network_link_KCCFLN05_t, 1);
1078       ROUTE(i,i).links[0] = loopback;
1079     }
1080
1081 }
1082
1083 /**************************************/
1084 /********* Module  creation ***********/
1085 /**************************************/
1086
1087 static void resource_init_internal(void)
1088 {
1089   s_surf_action_t action;
1090
1091   surf_workstation_resource = xbt_new0(s_surf_workstation_resource_t, 1);
1092
1093   surf_workstation_resource->common_private =
1094       xbt_new0(s_surf_resource_private_t, 1);
1095   surf_workstation_resource->common_public =
1096       xbt_new0(s_surf_resource_public_t, 1);
1097   surf_workstation_resource->extension_public =
1098       xbt_new0(s_surf_workstation_resource_extension_public_t, 1);
1099
1100   surf_workstation_resource->common_public->states.ready_action_set =
1101       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1102   surf_workstation_resource->common_public->states.running_action_set =
1103       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1104   surf_workstation_resource->common_public->states.failed_action_set =
1105       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1106   surf_workstation_resource->common_public->states.done_action_set =
1107       xbt_swag_new(xbt_swag_offset(action, state_hookup));
1108
1109   surf_workstation_resource->common_public->name_service = name_service;
1110   surf_workstation_resource->common_public->get_resource_name = get_resource_name;
1111   surf_workstation_resource->common_public->action_get_state = surf_action_get_state;
1112   surf_workstation_resource->common_public->action_get_start_time =
1113       surf_action_get_start_time;
1114   surf_workstation_resource->common_public->action_get_finish_time =
1115       surf_action_get_finish_time;
1116   surf_workstation_resource->common_public->action_use = action_use;
1117   surf_workstation_resource->common_public->action_free = action_free;
1118   surf_workstation_resource->common_public->action_cancel = action_cancel;
1119   surf_workstation_resource->common_public->action_recycle = action_recycle;
1120   surf_workstation_resource->common_public->action_change_state = surf_action_change_state;
1121   surf_workstation_resource->common_public->action_set_data = surf_action_set_data;
1122   surf_workstation_resource->common_public->suspend = action_suspend;
1123   surf_workstation_resource->common_public->resume = action_resume;
1124   surf_workstation_resource->common_public->is_suspended = action_is_suspended;
1125   surf_workstation_resource->common_public->set_max_duration = action_set_max_duration;
1126   surf_workstation_resource->common_public->set_priority = action_set_priority;
1127   surf_workstation_resource->common_public->name = "Workstation KCCFLN05";
1128
1129   surf_workstation_resource->common_private->resource_used = resource_used;
1130   surf_workstation_resource->common_private->share_resources = share_resources;
1131   surf_workstation_resource->common_private->update_actions_state = update_actions_state;
1132   surf_workstation_resource->common_private->update_resource_state = update_resource_state;
1133   surf_workstation_resource->common_private->finalize = finalize;
1134
1135   surf_workstation_resource->extension_public->execute = execute;
1136   surf_workstation_resource->extension_public->sleep = action_sleep;
1137   surf_workstation_resource->extension_public->get_state = resource_get_state;
1138   surf_workstation_resource->extension_public->get_speed = get_speed;
1139   surf_workstation_resource->extension_public->get_available_speed = get_available_speed;
1140   surf_workstation_resource->extension_public->communicate = communicate;
1141   surf_workstation_resource->extension_public->execute_parallel_task = execute_parallel_task;
1142   surf_workstation_resource->extension_public->get_route = get_route;
1143   surf_workstation_resource->extension_public->get_route_size = get_route_size;
1144   surf_workstation_resource->extension_public->get_link_name = get_link_name;
1145   surf_workstation_resource->extension_public->get_link_bandwidth = get_link_bandwidth;
1146   surf_workstation_resource->extension_public->get_link_latency = get_link_latency;
1147
1148   workstation_set  = xbt_dict_new();
1149   router_set       = xbt_dict_new();
1150   network_link_set = xbt_dict_new();
1151
1152   xbt_assert0(maxmin_system, "surf_init has to be called first!");
1153 }
1154
1155 /**************************************/
1156 /*************** Generic **************/
1157 /**************************************/
1158 void surf_workstation_resource_init_KCCFLN05(const char *filename)
1159 {
1160   xbt_assert0(!surf_cpu_resource, "CPU resource type already defined");
1161   xbt_assert0(!surf_network_resource, "network resource type already defined");
1162   resource_init_internal();
1163   parse_file(filename);
1164
1165   xbt_dynar_push(resource_list, &surf_workstation_resource);
1166 }