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
  20 static xbt_dict_t network_link_set = NULL;
  21
  22 /* convenient function */
  23 static void __update_cpu_usage(cpu_KCCFLN05_t cpu)
  24 {
  25   int cpt;
  26   surf_action_workstation_KCCFLN05_t action = NULL;
  27   if ((!xbt_dynar_length(cpu->incomming_communications)) &&
  28       (!xbt_dynar_length(cpu->outgoing_communications))) {
  29     /* No communications */
  30     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  31                                 cpu->power_current * cpu->power_scale);
  32   } else if ((!xbt_dynar_length(cpu->incomming_communications))
  33              && (xbt_dynar_length(cpu->outgoing_communications))) {
  34     /* Emission */
  35     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  36                                 cpu->power_current * cpu->power_scale *
  37                                 cpu->interference_send);
  38     xbt_dynar_foreach(cpu->outgoing_communications, cpt, action)
  39       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  40                          cpu->power_current * cpu->power_scale *
  41                          ROUTE(action->src->id, action->dst->id).impact_on_src
  42                          );
  43   } else if ((xbt_dynar_length(cpu->incomming_communications)) &&
  44              (!xbt_dynar_length(cpu->outgoing_communications))) {
  45     /* Reception */
  46     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  47                                 cpu->power_current * cpu->power_scale *
  48                                 cpu->interference_recv);
  49     xbt_dynar_foreach(cpu->incomming_communications, cpt, action)
  50       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  51                          cpu->power_current * cpu->power_scale *
  52                          ROUTE(action->src->id, action->dst->id).impact_on_dst
  53                          );
  54   } else {
  55     /* Emission & Reception */
  56     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  57                                 cpu->power_current * cpu->power_scale *
  58                                 cpu->interference_send_recv);
  59     xbt_dynar_foreach(cpu->outgoing_communications, cpt, action)
  60       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  61                          cpu->power_current * cpu->power_scale *
  62                          ROUTE(action->src->id, action->dst->id).impact_on_src_with_other_recv
  63                          );
  64     xbt_dynar_foreach(cpu->incomming_communications, cpt, action)
  65       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  66                          cpu->power_current * cpu->power_scale *
  67                          ROUTE(action->src->id, action->dst->id).impact_on_dst_with_other_send
  68                          );
  69   }
  70 }
  71
  72 /**************************************/
  73 /******* Resource Public     **********/
  74 /**************************************/
  75
  76 static void *name_service(const char *name)
  77 {
  78   return xbt_dict_get_or_null(workstation_set, name);
  79 }
  80
  81 static const char *get_resource_name(void *resource_id)
  82 {
  83   /* We can freely cast as a cpu_KCCFLN05_t because it has the same
  84      prefix as network_link_KCCFLN05_t. However, only cpu_KCCFLN05_t
  85      will theoretically be given as an argument here. */
  86   return ((cpu_KCCFLN05_t) resource_id)->name;
  87 }
  88
  89 /* action_get_state is inherited from the surf module */
  90
  91 static void action_use(surf_action_t action)
  92 {
  93   action->using++;
  94   return;
  95 }
  96
  97 static int action_free(surf_action_t action)
  98 {
  99   int cpt;
 100   surf_action_t act = NULL;
 101   cpu_KCCFLN05_t src = ((surf_action_workstation_KCCFLN05_t) action)->src;
 102   cpu_KCCFLN05_t dst = ((surf_action_workstation_KCCFLN05_t) action)->dst;
 103
 104   action->using--;
 105   if (!action->using) {
 106     xbt_swag_remove(action, action->state_set);
 107     if (((surf_action_workstation_KCCFLN05_t) action)->variable)
 108       lmm_variable_free(maxmin_system,
 109                         ((surf_action_workstation_KCCFLN05_t) action)->
 110                         variable);
 111     if(src)
 112       xbt_dynar_foreach(src->outgoing_communications, cpt, act)
 113         if (act == action) {
 114           xbt_dynar_remove_at(src->outgoing_communications, cpt, &act);
 115           break;
 116         }
 117
 118     if(dst)
 119       xbt_dynar_foreach(dst->incomming_communications, cpt, act)
 120         if (act == action) {
 121           xbt_dynar_remove_at(dst->incomming_communications, cpt, &act);
 122           break;
 123         }
 124
 125     if(src && (!xbt_dynar_length(src->outgoing_communications)))
 126       __update_cpu_usage(src);
 127     if(dst && (!xbt_dynar_length(dst->incomming_communications)))
 128       __update_cpu_usage(dst);
 129
 130     free(action);
 131     return 1;
 132   }
 133   return 0;
 134 }
 135
 136 static void action_cancel(surf_action_t action)
 137 {
 138   surf_action_change_state(action, SURF_ACTION_FAILED);
 139   return;
 140 }
 141
 142 static void action_recycle(surf_action_t action)
 143 {
 144   DIE_IMPOSSIBLE;
 145   return;
 146 }
 147
 148 /* action_change_state is inherited from the surf module */
 149 /* action_set_data is inherited from the surf module */
 150
 151 static void action_suspend(surf_action_t action)
 152 {
 153   XBT_IN1("(%p))",action);
 154   ((surf_action_workstation_KCCFLN05_t) action)->suspended = 1;
 155   lmm_update_variable_weight(maxmin_system,
 156                              ((surf_action_workstation_KCCFLN05_t)
 157                               action)->variable, 0.0);
 158   XBT_OUT;
 159 }
 160
 161 static void action_resume(surf_action_t action)
 162 {
 163   XBT_IN1("(%p)",action);
 164   if(((surf_action_workstation_KCCFLN05_t)action)->lat_current==0.0)
 165     lmm_update_variable_weight(maxmin_system,
 166                                ((surf_action_workstation_KCCFLN05_t)
 167                                 action)->variable, 1.0);
 168   else
 169     lmm_update_variable_weight(maxmin_system,
 170                                ((surf_action_workstation_KCCFLN05_t) action)->variable,
 171                                ((surf_action_workstation_KCCFLN05_t) action)->lat_current);
 172
 173   ((surf_action_workstation_KCCFLN05_t) action)->suspended = 0;
 174   XBT_OUT;
 175 }
 176
 177 static int action_is_suspended(surf_action_t action)
 178 {
 179   return (((surf_action_workstation_KCCFLN05_t) action)->suspended);
 180 }
 181
 182 static void action_set_max_duration(surf_action_t action, double duration)
 183 {                               /* FIXME: should inherit */
 184   XBT_IN2("(%p,%g)",action,duration);
 185   action->max_duration = duration;
 186   XBT_OUT;
 187 }
 188
 189
 190 static void action_set_priority(surf_action_t action, double priority)
 191 {                               /* FIXME: should inherit */
 192   XBT_IN2("(%p,%g)",action,priority);
 193   action->priority = priority;
 194   XBT_OUT;
 195 }
 196
 197 /**************************************/
 198 /******* Resource Private    **********/
 199 /**************************************/
 200
 201 static int resource_used(void *resource_id)
 202 {
 203   /* We can freely cast as a network_link_KCCFLN05_t because it has
 204      the same prefix as cpu_KCCFLN05_t */
 205   if(((cpu_KCCFLN05_t) resource_id)->type == SURF_WORKSTATION_RESOURCE_CPU)
 206     return (lmm_constraint_used(maxmin_system,
 207                                ((cpu_KCCFLN05_t) resource_id)->
 208                                constraint) ||
 209             ((((cpu_KCCFLN05_t) resource_id)->bus)?
 210              lmm_constraint_used(maxmin_system,
 211                                 ((cpu_KCCFLN05_t) resource_id)->
 212                                 bus):0));
 213   else
 214     return lmm_constraint_used(maxmin_system,
 215                                ((network_link_KCCFLN05_t) resource_id)->
 216                                constraint);
 217
 218 }
 219
 220 static double share_resources(double now)
 221 {
 222   s_surf_action_workstation_KCCFLN05_t s_action;
 223   surf_action_workstation_KCCFLN05_t action = NULL;
 224
 225   xbt_swag_t running_actions = surf_workstation_resource->common_public->states.running_action_set;
 226   double min = generic_maxmin_share_resources(running_actions,
 227                                               xbt_swag_offset(s_action, variable));
 228
 229   xbt_swag_foreach(action, running_actions) {
 230     if(action->latency>0) {
 231       if(min<0) min = action->latency;
 232       else if (action->latency<min) min = action->latency;
 233     }
 234   }
 235
 236   return min;
 237 /*   return generic_maxmin_share_resources(surf_workstation_resource->common_public-> */
 238 /*                                      states.running_action_set, */
 239 /*                                      xbt_swag_offset(action, variable)); */
 240 }
 241
 242 static void update_actions_state(double now, double delta)
 243 {
 244   double deltap = 0.0;
 245   surf_action_workstation_KCCFLN05_t action = NULL;
 246   surf_action_workstation_KCCFLN05_t next_action = NULL;
 247   xbt_swag_t running_actions =
 248       surf_workstation_resource->common_public->states.running_action_set;
 249
 250   xbt_swag_foreach_safe(action, next_action, running_actions) {
 251     deltap = delta;
 252     if (action->latency > 0) {
 253       if (action->latency > deltap) {
 254         surf_double_update(&(action->latency), deltap);
 255         deltap = 0.0;
 256       } else {
 257         surf_double_update(&(deltap), action->latency);
 258         action->latency = 0.0;
 259       }
 260       if ((action->latency == 0.0) && !(action->suspended)) {
 261         if((action)->lat_current==0.0)
 262           lmm_update_variable_weight(maxmin_system,action->variable, 1.0);
 263         else
 264           lmm_update_variable_weight(maxmin_system, action->variable,
 265                                      action->lat_current);
 266       }
 267     }
 268     surf_double_update(&(action->generic_action.remains),
 269                        lmm_variable_getvalue(action->variable) * deltap);
 270     if (action->generic_action.max_duration != NO_MAX_DURATION)
 271       surf_double_update(&(action->generic_action.max_duration), delta);
 272
 273     /*   if(action->generic_action.remains<.00001) action->generic_action.remains=0; */
 274
 275     if ((action->generic_action.remains <= 0) &&
 276         (lmm_get_variable_weight(action->variable)>0)) {
 277       action->generic_action.finish = surf_get_clock();
 278       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 279     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 280                (action->generic_action.max_duration <= 0)) {
 281       action->generic_action.finish = surf_get_clock();
 282       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 283     } else {                    /* Need to check that none of the resource has failed */
 284       lmm_constraint_t cnst = NULL;
 285       int i = 0;
 286       void *constraint_id = NULL;
 287
 288       while ((cnst =
 289               lmm_get_cnst_from_var(maxmin_system, action->variable,
 290                                     i++))) {
 291         constraint_id = lmm_constraint_id(cnst);
 292         if(((((network_link_KCCFLN05_t)constraint_id)->type==
 293              SURF_WORKSTATION_RESOURCE_LINK) &&
 294             (((network_link_KCCFLN05_t)constraint_id)->state_current==
 295              SURF_NETWORK_LINK_OFF)) ||
 296            ((((cpu_KCCFLN05_t)constraint_id)->type==
 297              SURF_WORKSTATION_RESOURCE_CPU) &&
 298             (((cpu_KCCFLN05_t)constraint_id)->state_current==
 299              SURF_CPU_OFF))) {
 300           action->generic_action.finish = surf_get_clock();
 301           surf_action_change_state((surf_action_t) action, SURF_ACTION_FAILED);
 302           break;
 303         }
 304       }
 305     }
 306   }
 307   return;
 308 }
 309
 310 static void update_resource_state(void *id,
 311                                   tmgr_trace_event_t event_type,
 312                                   double value)
 313 {
 314   cpu_KCCFLN05_t cpu = id;
 315   network_link_KCCFLN05_t nw_link = id ;
 316
 317   if(nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 318     if (event_type == nw_link->bw_event) {
 319       nw_link->bw_current = value;
 320       lmm_update_constraint_bound(maxmin_system, nw_link->constraint,
 321                                   nw_link->bw_current);
 322     } else if (event_type == nw_link->lat_event) {
 323       double delta = value - nw_link->lat_current;
 324       lmm_variable_t var = NULL;
 325       surf_action_workstation_KCCFLN05_t action = NULL;
 326
 327       nw_link->lat_current = value;
 328       while (lmm_get_var_from_cnst(maxmin_system, nw_link->constraint, &var)) {
 329         action = lmm_variable_id(var);
 330         action->lat_current += delta;
 331         if(action->rate<0)
 332           lmm_update_variable_bound(maxmin_system, action->variable,
 333                                     SG_TCP_CTE_GAMMA / (2.0 * action->lat_current));
 334         else
 335           lmm_update_variable_bound(maxmin_system, action->variable,
 336                                     min(action->rate,SG_TCP_CTE_GAMMA / (2.0 * action->lat_current)));
 337         if(!(action->suspended))
 338           lmm_update_variable_weight(maxmin_system, action->variable,
 339                                      action->lat_current);
 340       }
 341     } else if (event_type == nw_link->state_event) {
 342       if (value > 0)
 343         nw_link->state_current = SURF_NETWORK_LINK_ON;
 344       else
 345         nw_link->state_current = SURF_NETWORK_LINK_OFF;
 346     } else {
 347       CRITICAL0("Unknown event ! \n");
 348       xbt_abort();
 349     }
 350     return;
 351   } else if(cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 352     if (event_type == cpu->power_event) {
 353       cpu->power_current = value;
 354       __update_cpu_usage(cpu);
 355     } else if (event_type == cpu->state_event) {
 356       if (value > 0)
 357         cpu->state_current = SURF_CPU_ON;
 358       else
 359         cpu->state_current = SURF_CPU_OFF;
 360     } else {
 361       CRITICAL0("Unknown event ! \n");
 362       xbt_abort();
 363     }
 364     return;
 365   } else {
 366     DIE_IMPOSSIBLE;
 367   }
 368   return;
 369 }
 370
 371 static void finalize(void)
 372 {
 373   int i,j;
 374
 375   xbt_dict_free(&network_link_set);
 376   xbt_dict_free(&workstation_set);
 377   xbt_swag_free(surf_workstation_resource->common_public->states.
 378                 ready_action_set);
 379   xbt_swag_free(surf_workstation_resource->common_public->states.
 380                 running_action_set);
 381   xbt_swag_free(surf_workstation_resource->common_public->states.
 382                 failed_action_set);
 383   xbt_swag_free(surf_workstation_resource->common_public->states.
 384                 done_action_set);
 385
 386   free(surf_workstation_resource->common_public);
 387   free(surf_workstation_resource->common_private);
 388   free(surf_workstation_resource->extension_public);
 389
 390   free(surf_workstation_resource);
 391   surf_workstation_resource = NULL;
 392
 393   for (i = 0; i < nb_workstation; i++)
 394     for (j = 0; j < nb_workstation; j++)
 395       free(ROUTE(i, j).links);
 396   free(routing_table);
 397   routing_table = NULL;
 398   nb_workstation = 0;
 399
 400   if (maxmin_system) {
 401     lmm_system_free(maxmin_system);
 402     maxmin_system = NULL;
 403   }
 404 }
 405
 406 /**************************************/
 407 /******* Resource Private    **********/
 408 /**************************************/
 409
 410 static surf_action_t execute(void *cpu, double size)
 411 {
 412   surf_action_workstation_KCCFLN05_t action = NULL;
 413   cpu_KCCFLN05_t CPU = cpu;
 414
 415   XBT_IN2("(%s,%g)",CPU->name,size);
 416   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 417
 418   action->generic_action.using = 1;
 419   action->generic_action.cost = size;
 420   action->generic_action.remains = size;
 421   action->generic_action.priority = 1.0;
 422   action->generic_action.max_duration = NO_MAX_DURATION;
 423   action->generic_action.start = surf_get_clock();
 424   action->generic_action.finish = -1.0;
 425   action->generic_action.resource_type =
 426       (surf_resource_t) surf_workstation_resource;
 427   action->suspended = 0;
 428
 429   if (CPU->state_current == SURF_CPU_ON)
 430     action->generic_action.state_set =
 431         surf_workstation_resource->common_public->states.running_action_set;
 432   else
 433     action->generic_action.state_set =
 434         surf_workstation_resource->common_public->states.failed_action_set;
 435   xbt_swag_insert(action, action->generic_action.state_set);
 436
 437   action->variable = lmm_variable_new(maxmin_system, action,
 438                                       action->generic_action.priority, -1.0, 1);
 439   lmm_expand(maxmin_system, CPU->constraint, action->variable,
 440              1.0);
 441   XBT_OUT;
 442   return (surf_action_t) action;
 443 }
 444
 445 static surf_action_t action_sleep(void *cpu, double duration)
 446 {
 447   surf_action_workstation_KCCFLN05_t action = NULL;
 448
 449   XBT_IN2("(%s,%g)",((cpu_KCCFLN05_t)cpu)->name,duration);
 450
 451   action = (surf_action_workstation_KCCFLN05_t) execute(cpu, 1.0);
 452   action->generic_action.max_duration = duration;
 453   lmm_update_variable_weight(maxmin_system, action->variable, 0.0);
 454
 455   XBT_OUT;
 456   return (surf_action_t) action;
 457 }
 458
 459 static e_surf_cpu_state_t resource_get_state(void *cpu)
 460 {
 461   return ((cpu_KCCFLN05_t) cpu)->state_current;
 462 }
 463
 464 static double get_speed(void *cpu, double load)
 465 {
 466   return load*(((cpu_KCCFLN05_t) cpu)->power_scale);
 467 }
 468
 469 static double get_available_speed(void *cpu)
 470 {
 471   return ((cpu_KCCFLN05_t) cpu)->power_current;
 472 }
 473
 474 static surf_action_t communicate(void *src, void *dst, double size, double rate)
 475 {
 476   surf_action_workstation_KCCFLN05_t action = NULL;
 477   cpu_KCCFLN05_t card_src = src;
 478   cpu_KCCFLN05_t card_dst = dst;
 479   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 480   int route_size = route->size;
 481   int i;
 482
 483   XBT_IN4("(%s,%s,%g,%g)",card_src->name,card_dst->name,size,rate);
 484   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);
 485
 486   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 487
 488   action->generic_action.using = 1;
 489   action->generic_action.cost = size;
 490   action->generic_action.remains = size;
 491   action->generic_action.max_duration = NO_MAX_DURATION;
 492   action->generic_action.start = -1.0;
 493   action->generic_action.finish = -1.0;
 494   action->src = src;
 495   action->dst = dst;
 496   action->generic_action.resource_type =
 497     (surf_resource_t) surf_workstation_resource;
 498   action->suspended = 0;  /* Should be useless because of the
 499                              calloc but it seems to help valgrind... */
 500   action->generic_action.state_set =
 501       surf_workstation_resource->common_public->states.running_action_set;
 502
 503   xbt_dynar_push(card_src->outgoing_communications, &action);
 504   xbt_dynar_push(card_dst->incomming_communications, &action);
 505
 506   xbt_swag_insert(action, action->generic_action.state_set);
 507   action->rate = rate;
 508
 509   action->latency = 0.0;
 510   for (i = 0; i < route_size; i++)
 511     action->latency += route->links[i]->lat_current;
 512   action->lat_current = action->latency;
 513
 514   if(action->latency>0)
 515     action->variable = lmm_variable_new(maxmin_system, action, 0.0, -1.0,
 516                                         route_size+4); /* +1 for the src bus
 517                                                           +1 for the dst bus
 518                                                           +1 for the src cpu
 519                                                           +1 for the dst cpu */
 520   else
 521     action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
 522                                         route_size+4);
 523
 524   if(action->rate<0) {
 525     if(action->lat_current>0)
 526       lmm_update_variable_bound(maxmin_system, action->variable,
 527                                 SG_TCP_CTE_GAMMA / (2.0 * action->lat_current));
 528     else
 529       lmm_update_variable_bound(maxmin_system, action->variable, -1.0);
 530   } else {
 531     if(action->lat_current>0)
 532       lmm_update_variable_bound(maxmin_system, action->variable,
 533                                 min(action->rate,SG_TCP_CTE_GAMMA / (2.0 * action->lat_current)));
 534     else
 535       lmm_update_variable_bound(maxmin_system, action->variable, action->rate);
 536   }
 537
 538   for (i = 0; i < route_size; i++)
 539     lmm_expand(maxmin_system, route->links[i]->constraint, action->variable, 1.0);
 540   if (card_src->bus)
 541     lmm_expand(maxmin_system, card_src->bus, action->variable, 1.0);
 542   if (card_dst->bus)
 543     lmm_expand(maxmin_system, card_dst->bus, action->variable, 1.0);
 544   lmm_expand(maxmin_system, card_src->constraint, action->variable, 0.0);
 545   lmm_expand(maxmin_system, card_dst->constraint, action->variable, 0.0);
 546
 547   XBT_OUT;
 548   return (surf_action_t) action;
 549 }
 550
 551 /* FIXME: execute_parallel_task */
 552 static surf_action_t execute_parallel_task(int cpu_nb,
 553                                            void **cpu_list,
 554                                            double *computation_amount,
 555                                            double *communication_amount,
 556                                            double amount,
 557                                            double rate)
 558 {
 559   DIE_IMPOSSIBLE;
 560   return NULL;
 561 }
 562
 563
 564 /**************************************/
 565 /*** Resource Creation & Destruction **/
 566 /**************************************/
 567
 568 static void cpu_free(void *cpu)
 569 {
 570   free(((cpu_KCCFLN05_t) cpu)->name);
 571   xbt_dynar_free(&(((cpu_KCCFLN05_t) cpu)->incomming_communications));
 572   xbt_dynar_free(&(((cpu_KCCFLN05_t) cpu)->outgoing_communications));
 573   free(cpu);
 574 }
 575
 576 static cpu_KCCFLN05_t cpu_new(const char *name, double power_scale,
 577                               double power_initial,
 578                               tmgr_trace_t power_trace,
 579                               e_surf_cpu_state_t state_initial,
 580                               tmgr_trace_t state_trace,
 581                               double interference_send,
 582                               double interference_recv,
 583                               double interference_send_recv,
 584                               double max_outgoing_rate)
 585 {
 586   cpu_KCCFLN05_t cpu = xbt_new0(s_cpu_KCCFLN05_t, 1);
 587
 588   cpu->resource = (surf_resource_t) surf_workstation_resource;
 589   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 590   cpu->name = xbt_strdup(name);
 591   cpu->id = nb_workstation++;
 592
 593   cpu->power_scale = power_scale;
 594   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 595
 596   cpu->power_current = power_initial;
 597   if (power_trace)
 598     cpu->power_event =
 599         tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 600
 601   cpu->state_current = state_initial;
 602   if (state_trace)
 603     cpu->state_event =
 604         tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 605
 606   cpu->interference_send = interference_send;
 607   cpu->interference_recv = interference_recv;
 608   cpu->interference_send_recv = interference_send_recv;
 609
 610   cpu->constraint =
 611       lmm_constraint_new(maxmin_system, cpu,
 612                          cpu->power_current * cpu->power_scale);
 613   if (max_outgoing_rate > 0)
 614     cpu->bus = lmm_constraint_new(maxmin_system, cpu, max_outgoing_rate);
 615
 616   cpu->incomming_communications =
 617       xbt_dynar_new(sizeof(surf_action_workstation_KCCFLN05_t), NULL);
 618   cpu->outgoing_communications =
 619       xbt_dynar_new(sizeof(surf_action_workstation_KCCFLN05_t), NULL);
 620
 621   xbt_dict_set(workstation_set, name, cpu, cpu_free);
 622
 623   return cpu;
 624 }
 625
 626 static void parse_cpu(void)
 627 {
 628   double power_scale = 0.0;
 629   double power_initial = 0.0;
 630   tmgr_trace_t power_trace = NULL;
 631   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
 632   tmgr_trace_t state_trace = NULL;
 633   double interference_send = 0.0;
 634   double interference_recv = 0.0;
 635   double interference_send_recv = 0.0;
 636   double max_outgoing_rate = -1.0;
 637
 638   surf_parse_get_double(&power_scale, A_surfxml_cpu_power);
 639   surf_parse_get_double(&power_initial, A_surfxml_cpu_availability);
 640   surf_parse_get_trace(&power_trace, A_surfxml_cpu_availability_file);
 641
 642   xbt_assert0((A_surfxml_cpu_state == A_surfxml_cpu_state_ON) ||
 643               (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF),
 644               "Invalid state");
 645   if (A_surfxml_cpu_state == A_surfxml_cpu_state_ON)
 646     state_initial = SURF_CPU_ON;
 647   if (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF)
 648     state_initial = SURF_CPU_OFF;
 649   surf_parse_get_trace(&state_trace, A_surfxml_cpu_state_file);
 650
 651   surf_parse_get_double(&interference_send,
 652                         A_surfxml_cpu_interference_send);
 653   surf_parse_get_double(&interference_recv,
 654                         A_surfxml_cpu_interference_recv);
 655   surf_parse_get_double(&interference_send_recv,
 656                         A_surfxml_cpu_interference_send_recv);
 657   surf_parse_get_double(&max_outgoing_rate,
 658                         A_surfxml_cpu_max_outgoing_rate);
 659
 660   cpu_new(A_surfxml_cpu_name, power_scale, power_initial, power_trace,
 661           state_initial, state_trace, interference_send, interference_recv,
 662           interference_send_recv, max_outgoing_rate);
 663 }
 664
 665 static void create_routing_table(void)
 666 {
 667   routing_table =
 668       xbt_new0(s_route_KCCFLN05_t, nb_workstation * nb_workstation);
 669 }
 670
 671 static void network_link_free(void *nw_link)
 672 {
 673   free(((network_link_KCCFLN05_t) nw_link)->name);
 674   free(nw_link);
 675 }
 676
 677 static network_link_KCCFLN05_t network_link_new(char *name,
 678                                                 double bw_initial,
 679                                                 tmgr_trace_t bw_trace,
 680                                                 double lat_initial,
 681                                                 tmgr_trace_t lat_trace,
 682                                                 e_surf_network_link_state_t
 683                                                 state_initial,
 684                                                 tmgr_trace_t state_trace,
 685                                                 e_surf_network_link_sharing_policy_t policy)
 686 {
 687   network_link_KCCFLN05_t nw_link = xbt_new0(s_network_link_KCCFLN05_t, 1);
 688
 689
 690   nw_link->resource = (surf_resource_t) surf_workstation_resource;
 691   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 692   nw_link->name = name;
 693   nw_link->bw_current = bw_initial;
 694   if (bw_trace)
 695     nw_link->bw_event =
 696         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 697   nw_link->state_current = state_initial;
 698   nw_link->lat_current = lat_initial;
 699   if (lat_trace)
 700     nw_link->lat_event =
 701         tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 702   if (state_trace)
 703     nw_link->state_event =
 704         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 705
 706   nw_link->constraint =
 707       lmm_constraint_new(maxmin_system, nw_link, nw_link->bw_current);
 708
 709   if(policy == SURF_NETWORK_LINK_FATPIPE)
 710     lmm_constraint_shared(nw_link->constraint);
 711
 712   xbt_dict_set(network_link_set, name, nw_link, network_link_free);
 713
 714   return nw_link;
 715 }
 716
 717 static void parse_network_link(void)
 718 {
 719   char *name;
 720   double bw_initial;
 721   tmgr_trace_t bw_trace;
 722   double lat_initial;
 723   tmgr_trace_t lat_trace;
 724   e_surf_network_link_state_t state_initial = SURF_NETWORK_LINK_ON;
 725   e_surf_network_link_sharing_policy_t policy_initial = SURF_NETWORK_LINK_SHARED;
 726   tmgr_trace_t state_trace;
 727
 728   name = xbt_strdup(A_surfxml_network_link_name);
 729   surf_parse_get_double(&bw_initial,A_surfxml_network_link_bandwidth);
 730   surf_parse_get_trace(&bw_trace, A_surfxml_network_link_bandwidth_file);
 731   surf_parse_get_double(&lat_initial,A_surfxml_network_link_latency);
 732   surf_parse_get_trace(&lat_trace, A_surfxml_network_link_latency_file);
 733
 734   xbt_assert0((A_surfxml_network_link_state==A_surfxml_network_link_state_ON)||
 735               (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF),
 736               "Invalid state");
 737   if (A_surfxml_network_link_state==A_surfxml_network_link_state_ON)
 738     state_initial = SURF_NETWORK_LINK_ON;
 739   else if (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF)
 740     state_initial = SURF_NETWORK_LINK_OFF;
 741
 742   if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_SHARED)
 743     policy_initial = SURF_NETWORK_LINK_SHARED;
 744   else if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_FATPIPE)
 745     policy_initial = SURF_NETWORK_LINK_FATPIPE;
 746
 747   surf_parse_get_trace(&state_trace,A_surfxml_network_link_state_file);
 748
 749   network_link_new(name, bw_initial, bw_trace,
 750                    lat_initial, lat_trace, state_initial, state_trace,
 751                    policy_initial);
 752 }
 753
 754 static void route_new(int src_id, int dst_id, char **links, int nb_link,
 755                       double impact_on_src, double impact_on_dst,
 756                       double impact_on_src_with_other_recv,
 757                       double impact_on_dst_with_other_send)
 758 {
 759   network_link_KCCFLN05_t *link_list = NULL;
 760   int i;
 761   route_KCCFLN05_t route = &(ROUTE(src_id, dst_id));
 762
 763   route->size = nb_link;
 764   link_list = route->links = xbt_new0(network_link_KCCFLN05_t, nb_link);
 765   for (i = 0; i < nb_link; i++) {
 766     link_list[i] = xbt_dict_get_or_null(network_link_set, links[i]);
 767     free(links[i]);
 768   }
 769   free(links);
 770   route->impact_on_src = impact_on_src;
 771   route->impact_on_dst = impact_on_src;
 772   route->impact_on_src_with_other_recv = impact_on_src_with_other_recv;
 773   route->impact_on_dst_with_other_send = impact_on_dst_with_other_send;
 774 }
 775
 776 static int nb_link = 0;
 777 static char **link_name = NULL;
 778 static int src_id = -1;
 779 static int dst_id = -1;
 780 static double impact_on_src;
 781 static double impact_on_dst;
 782 static double impact_on_src_with_other_recv;
 783 static double impact_on_dst_with_other_send;
 784
 785 static void parse_route_set_endpoints(void)
 786 {
 787   src_id = ((cpu_KCCFLN05_t) name_service(A_surfxml_route_src))->id;
 788   dst_id = ((cpu_KCCFLN05_t) name_service(A_surfxml_route_dst))->id;
 789   surf_parse_get_double(&impact_on_src, A_surfxml_route_impact_on_src);
 790   surf_parse_get_double(&impact_on_dst, A_surfxml_route_impact_on_dst);
 791   surf_parse_get_double(&impact_on_src_with_other_recv,
 792                         A_surfxml_route_impact_on_src_with_other_recv);
 793   surf_parse_get_double(&impact_on_dst_with_other_send,
 794                         A_surfxml_route_impact_on_dst_with_other_send);
 795
 796   nb_link = 0;
 797   link_name = NULL;
 798 }
 799
 800 static void parse_route_elem(void)
 801 {
 802   nb_link++;
 803   link_name = xbt_realloc(link_name, (nb_link) * sizeof(char *));
 804   link_name[(nb_link) - 1] = xbt_strdup(A_surfxml_route_element_name);
 805 }
 806
 807 static void parse_route_set_route(void)
 808 {
 809   route_new(src_id, dst_id, link_name, nb_link, impact_on_src,
 810             impact_on_dst, impact_on_src_with_other_recv,
 811             impact_on_dst_with_other_send);
 812 }
 813
 814 static void parse_file(const char *file)
 815 {
 816   int i ;
 817
 818   /* Figuring out the cpus */
 819   surf_parse_reset_parser();
 820   ETag_surfxml_cpu_fun = parse_cpu;
 821   surf_parse_open(file);
 822   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 823   surf_parse_close();
 824
 825   create_routing_table();
 826
 827   /* Figuring out the network links */
 828   surf_parse_reset_parser();
 829   ETag_surfxml_network_link_fun = parse_network_link;
 830   surf_parse_open(file);
 831   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 832   surf_parse_close();
 833
 834   /* Building the routes */
 835   surf_parse_reset_parser();
 836   STag_surfxml_route_fun = parse_route_set_endpoints;
 837   ETag_surfxml_route_element_fun = parse_route_elem;
 838   ETag_surfxml_route_fun = parse_route_set_route;
 839   surf_parse_open(file);
 840   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 841   surf_parse_close();
 842
 843   /* Adding loopback if needed */
 844   for (i = 0; i < nb_workstation; i++)
 845     if(!ROUTE(i,i).size) {
 846       if(!loopback)
 847         loopback = network_link_new(xbt_strdup("__MSG_loopback__"),
 848                                    498.00, NULL, 0.000015, NULL,
 849                                    SURF_NETWORK_LINK_ON, NULL,
 850                                    SURF_NETWORK_LINK_FATPIPE);
 851       ROUTE(i,i).size=1;
 852       ROUTE(i,i).links = xbt_new0(network_link_KCCFLN05_t, 1);
 853       ROUTE(i,i).links[0] = loopback;
 854     }
 855
 856 }
 857
 858 /**************************************/
 859 /********* Module  creation ***********/
 860 /**************************************/
 861
 862 static void resource_init_internal(void)
 863 {
 864   s_surf_action_t action;
 865
 866   surf_workstation_resource = xbt_new0(s_surf_workstation_resource_t, 1);
 867
 868   surf_workstation_resource->common_private =
 869       xbt_new0(s_surf_resource_private_t, 1);
 870   surf_workstation_resource->common_public =
 871       xbt_new0(s_surf_resource_public_t, 1);
 872   surf_workstation_resource->extension_public =
 873       xbt_new0(s_surf_workstation_resource_extension_public_t, 1);
 874
 875   surf_workstation_resource->common_public->states.ready_action_set =
 876       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 877   surf_workstation_resource->common_public->states.running_action_set =
 878       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 879   surf_workstation_resource->common_public->states.failed_action_set =
 880       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 881   surf_workstation_resource->common_public->states.done_action_set =
 882       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 883
 884   surf_workstation_resource->common_public->name_service = name_service;
 885   surf_workstation_resource->common_public->get_resource_name = get_resource_name;
 886   surf_workstation_resource->common_public->action_get_state = surf_action_get_state;
 887   surf_workstation_resource->common_public->action_use = action_use;
 888   surf_workstation_resource->common_public->action_free = action_free;
 889   surf_workstation_resource->common_public->action_cancel = action_cancel;
 890   surf_workstation_resource->common_public->action_recycle = action_recycle;
 891   surf_workstation_resource->common_public->action_change_state = surf_action_change_state;
 892   surf_workstation_resource->common_public->action_set_data = surf_action_set_data;
 893   surf_workstation_resource->common_public->suspend = action_suspend;
 894   surf_workstation_resource->common_public->resume = action_resume;
 895   surf_workstation_resource->common_public->is_suspended = action_is_suspended;
 896   surf_workstation_resource->common_public->set_max_duration = action_set_max_duration;
 897   surf_workstation_resource->common_public->set_priority = action_set_priority;
 898   surf_workstation_resource->common_public->name = "Workstation KCCFLN05";
 899
 900   surf_workstation_resource->common_private->resource_used = resource_used;
 901   surf_workstation_resource->common_private->share_resources = share_resources;
 902   surf_workstation_resource->common_private->update_actions_state = update_actions_state;
 903   surf_workstation_resource->common_private->update_resource_state = update_resource_state;
 904   surf_workstation_resource->common_private->finalize = finalize;
 905
 906   surf_workstation_resource->extension_public->execute = execute;
 907   surf_workstation_resource->extension_public->sleep = action_sleep;
 908   surf_workstation_resource->extension_public->get_state = resource_get_state;
 909   surf_workstation_resource->extension_public->get_speed = get_speed;
 910   surf_workstation_resource->extension_public->get_available_speed = get_available_speed;
 911   surf_workstation_resource->extension_public->communicate = communicate;
 912   surf_workstation_resource->extension_public->execute_parallel_task = execute_parallel_task;
 913
 914   workstation_set = xbt_dict_new();
 915   network_link_set = xbt_dict_new();
 916
 917   xbt_assert0(maxmin_system, "surf_init has to be called first!");
 918 }
 919
 920 /**************************************/
 921 /*************** Generic **************/
 922 /**************************************/
 923 void surf_workstation_resource_init_KCCFLN05(const char *filename)
 924 {
 925   xbt_assert0(!surf_cpu_resource, "CPU resource type already defined");
 926   xbt_assert0(!surf_network_resource, "network resource type already defined");
 927   resource_init_internal();
 928   parse_file(filename);
 929
 930   xbt_dynar_push(resource_list, &surf_workstation_resource);
 931 }