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
  21 /*xbt_dict_t network_link_set = NULL;*/
  22
  23 /* convenient function */
  24 static void __update_cpu_usage(cpu_KCCFLN05_t cpu)
  25 {
  26   int cpt;
  27   surf_action_workstation_KCCFLN05_t action = NULL;
  28   if ((!xbt_dynar_length(cpu->incomming_communications)) &&
  29       (!xbt_dynar_length(cpu->outgoing_communications))) {
  30     /* No communications */
  31     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  32                                 cpu->power_current * cpu->power_scale);
  33   } else if ((!xbt_dynar_length(cpu->incomming_communications))
  34              && (xbt_dynar_length(cpu->outgoing_communications))) {
  35     /* Emission */
  36     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  37                                 cpu->power_current * cpu->power_scale *
  38                                 cpu->interference_send);
  39     xbt_dynar_foreach(cpu->outgoing_communications, cpt, action)
  40       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  41                          cpu->power_current * cpu->power_scale *
  42                          ROUTE(action->src->id, action->dst->id).impact_on_src
  43                          );
  44   } else if ((xbt_dynar_length(cpu->incomming_communications)) &&
  45              (!xbt_dynar_length(cpu->outgoing_communications))) {
  46     /* Reception */
  47     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  48                                 cpu->power_current * cpu->power_scale *
  49                                 cpu->interference_recv);
  50     xbt_dynar_foreach(cpu->incomming_communications, cpt, action)
  51       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  52                          cpu->power_current * cpu->power_scale *
  53                          ROUTE(action->src->id, action->dst->id).impact_on_dst
  54                          );
  55   } else {
  56     /* Emission & Reception */
  57     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
  58                                 cpu->power_current * cpu->power_scale *
  59                                 cpu->interference_send_recv);
  60     xbt_dynar_foreach(cpu->outgoing_communications, cpt, action)
  61       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  62                          cpu->power_current * cpu->power_scale *
  63                          ROUTE(action->src->id, action->dst->id).impact_on_src_with_other_recv
  64                          );
  65     xbt_dynar_foreach(cpu->incomming_communications, cpt, action)
  66       lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
  67                          cpu->power_current * cpu->power_scale *
  68                          ROUTE(action->src->id, action->dst->id).impact_on_dst_with_other_send
  69                          );
  70   }
  71 }
  72
  73 /**************************************/
  74 /******* Resource Public     **********/
  75 /**************************************/
  76
  77 static void *name_service(const char *name)
  78 {
  79   return xbt_dict_get_or_null(workstation_set, name);
  80 }
  81
  82 static const char *get_resource_name(void *resource_id)
  83 {
  84   /* We can freely cast as a cpu_KCCFLN05_t because it has the same
  85      prefix as network_link_KCCFLN05_t. However, only cpu_KCCFLN05_t
  86      will theoretically be given as an argument here. */
  87   return ((cpu_KCCFLN05_t) resource_id)->name;
  88 }
  89
  90 /* action_get_state is inherited from the surf module */
  91
  92 static void action_use(surf_action_t action)
  93 {
  94   action->using++;
  95   return;
  96 }
  97
  98 static int action_free(surf_action_t action)
  99 {
 100   int cpt;
 101   surf_action_t act = NULL;
 102   cpu_KCCFLN05_t src = ((surf_action_workstation_KCCFLN05_t) action)->src;
 103   cpu_KCCFLN05_t dst = ((surf_action_workstation_KCCFLN05_t) action)->dst;
 104
 105   action->using--;
 106   if (!action->using) {
 107     xbt_swag_remove(action, action->state_set);
 108     if (((surf_action_workstation_KCCFLN05_t) action)->variable)
 109       lmm_variable_free(maxmin_system,
 110                         ((surf_action_workstation_KCCFLN05_t) action)->
 111                         variable);
 112     if(src)
 113       xbt_dynar_foreach(src->outgoing_communications, cpt, act)
 114         if (act == action) {
 115           xbt_dynar_remove_at(src->outgoing_communications, cpt, &act);
 116           break;
 117         }
 118
 119     if(dst)
 120       xbt_dynar_foreach(dst->incomming_communications, cpt, act)
 121         if (act == action) {
 122           xbt_dynar_remove_at(dst->incomming_communications, cpt, &act);
 123           break;
 124         }
 125
 126     if(src && (!xbt_dynar_length(src->outgoing_communications)))
 127       __update_cpu_usage(src);
 128     if(dst && (!xbt_dynar_length(dst->incomming_communications)))
 129       __update_cpu_usage(dst);
 130
 131     free(action);
 132     return 1;
 133   }
 134   return 0;
 135 }
 136
 137 static void action_cancel(surf_action_t action)
 138 {
 139   surf_action_change_state(action, SURF_ACTION_FAILED);
 140   return;
 141 }
 142
 143 static void action_recycle(surf_action_t action)
 144 {
 145   DIE_IMPOSSIBLE;
 146   return;
 147 }
 148
 149 /* action_change_state is inherited from the surf module */
 150 /* action_set_data is inherited from the surf module */
 151
 152 static void action_suspend(surf_action_t action)
 153 {
 154   XBT_IN1("(%p))",action);
 155   ((surf_action_workstation_KCCFLN05_t) action)->suspended = 1;
 156   lmm_update_variable_weight(maxmin_system,
 157                              ((surf_action_workstation_KCCFLN05_t)
 158                               action)->variable, 0.0);
 159   XBT_OUT;
 160 }
 161
 162 static void action_resume(surf_action_t action)
 163 {
 164   XBT_IN1("(%p)",action);
 165   if(((surf_action_workstation_KCCFLN05_t)action)->lat_current==0.0)
 166     lmm_update_variable_weight(maxmin_system,
 167                                ((surf_action_workstation_KCCFLN05_t)
 168                                 action)->variable, 1.0);
 169   else
 170     lmm_update_variable_weight(maxmin_system,
 171                                ((surf_action_workstation_KCCFLN05_t) action)->variable,
 172                                ((surf_action_workstation_KCCFLN05_t) action)->lat_current);
 173
 174   ((surf_action_workstation_KCCFLN05_t) action)->suspended = 0;
 175   XBT_OUT;
 176 }
 177
 178 static int action_is_suspended(surf_action_t action)
 179 {
 180   return (((surf_action_workstation_KCCFLN05_t) action)->suspended);
 181 }
 182
 183 static void action_set_max_duration(surf_action_t action, double duration)
 184 {                               /* FIXME: should inherit */
 185   XBT_IN2("(%p,%g)",action,duration);
 186   action->max_duration = duration;
 187   XBT_OUT;
 188 }
 189
 190
 191 static void action_set_priority(surf_action_t action, double priority)
 192 {                               /* FIXME: should inherit */
 193   XBT_IN2("(%p,%g)",action,priority);
 194   action->priority = priority;
 195   XBT_OUT;
 196 }
 197
 198 /**************************************/
 199 /******* Resource Private    **********/
 200 /**************************************/
 201
 202 static int resource_used(void *resource_id)
 203 {
 204   /* We can freely cast as a network_link_KCCFLN05_t because it has
 205      the same prefix as cpu_KCCFLN05_t */
 206   if(((cpu_KCCFLN05_t) resource_id)->type == SURF_WORKSTATION_RESOURCE_CPU)
 207     return (lmm_constraint_used(maxmin_system,
 208                                ((cpu_KCCFLN05_t) resource_id)->
 209                                constraint) ||
 210             ((((cpu_KCCFLN05_t) resource_id)->bus)?
 211              lmm_constraint_used(maxmin_system,
 212                                 ((cpu_KCCFLN05_t) resource_id)->
 213                                 bus):0));
 214   else
 215     return lmm_constraint_used(maxmin_system,
 216                                ((network_link_KCCFLN05_t) resource_id)->
 217                                constraint);
 218
 219 }
 220
 221 static double share_resources(double now)
 222 {
 223   s_surf_action_workstation_KCCFLN05_t s_action;
 224   surf_action_workstation_KCCFLN05_t action = NULL;
 225
 226   xbt_swag_t running_actions = surf_workstation_resource->common_public->states.running_action_set;
 227   double min = generic_maxmin_share_resources(running_actions,
 228                                               xbt_swag_offset(s_action, variable));
 229
 230   xbt_swag_foreach(action, running_actions) {
 231     if(action->latency>0) {
 232       if(min<0) min = action->latency;
 233       else if (action->latency<min) min = action->latency;
 234     }
 235   }
 236
 237   return min;
 238 /*   return generic_maxmin_share_resources(surf_workstation_resource->common_public-> */
 239 /*                                      states.running_action_set, */
 240 /*                                      xbt_swag_offset(action, variable)); */
 241 }
 242
 243 static void update_actions_state(double now, double delta)
 244 {
 245   double deltap = 0.0;
 246   surf_action_workstation_KCCFLN05_t action = NULL;
 247   surf_action_workstation_KCCFLN05_t next_action = NULL;
 248   xbt_swag_t running_actions =
 249       surf_workstation_resource->common_public->states.running_action_set;
 250
 251   xbt_swag_foreach_safe(action, next_action, running_actions) {
 252     deltap = delta;
 253     if (action->latency > 0) {
 254       if (action->latency > deltap) {
 255         double_update(&(action->latency), deltap);
 256         deltap = 0.0;
 257       } else {
 258         double_update(&(deltap), action->latency);
 259         action->latency = 0.0;
 260       }
 261       if ((action->latency == 0.0) && !(action->suspended)) {
 262         if((action)->lat_current==0.0)
 263           lmm_update_variable_weight(maxmin_system,action->variable, 1.0);
 264         else
 265           lmm_update_variable_weight(maxmin_system, action->variable,
 266                                      action->lat_current);
 267       }
 268     }
 269     double_update(&(action->generic_action.remains),
 270                        lmm_variable_getvalue(action->variable) * deltap);
 271     if (action->generic_action.max_duration != NO_MAX_DURATION)
 272       double_update(&(action->generic_action.max_duration), delta);
 273
 274     /*   if(action->generic_action.remains<.00001) action->generic_action.remains=0; */
 275
 276     if ((action->generic_action.remains <= 0) &&
 277         (lmm_get_variable_weight(action->variable)>0)) {
 278       action->generic_action.finish = surf_get_clock();
 279       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 280     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 281                (action->generic_action.max_duration <= 0)) {
 282       action->generic_action.finish = surf_get_clock();
 283       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
 284     } else {                    /* Need to check that none of the resource has failed */
 285       lmm_constraint_t cnst = NULL;
 286       int i = 0;
 287       void *constraint_id = NULL;
 288
 289       while ((cnst =
 290               lmm_get_cnst_from_var(maxmin_system, action->variable,
 291                                     i++))) {
 292         constraint_id = lmm_constraint_id(cnst);
 293         if(((((network_link_KCCFLN05_t)constraint_id)->type==
 294              SURF_WORKSTATION_RESOURCE_LINK) &&
 295             (((network_link_KCCFLN05_t)constraint_id)->state_current==
 296              SURF_NETWORK_LINK_OFF)) ||
 297            ((((cpu_KCCFLN05_t)constraint_id)->type==
 298              SURF_WORKSTATION_RESOURCE_CPU) &&
 299             (((cpu_KCCFLN05_t)constraint_id)->state_current==
 300              SURF_CPU_OFF))) {
 301           action->generic_action.finish = surf_get_clock();
 302           surf_action_change_state((surf_action_t) action, SURF_ACTION_FAILED);
 303           break;
 304         }
 305       }
 306     }
 307   }
 308   return;
 309 }
 310
 311 static void update_resource_state(void *id,
 312                                   tmgr_trace_event_t event_type,
 313                                   double value)
 314 {
 315   cpu_KCCFLN05_t cpu = id;
 316   network_link_KCCFLN05_t nw_link = id ;
 317
 318   if(nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
 319     if (event_type == nw_link->bw_event) {
 320       nw_link->bw_current = value;
 321       lmm_update_constraint_bound(maxmin_system, nw_link->constraint,
 322                                   nw_link->bw_current);
 323     } else if (event_type == nw_link->lat_event) {
 324       double delta = value - nw_link->lat_current;
 325       lmm_variable_t var = NULL;
 326       surf_action_workstation_KCCFLN05_t action = NULL;
 327
 328       nw_link->lat_current = value;
 329       while (lmm_get_var_from_cnst(maxmin_system, nw_link->constraint, &var)) {
 330         action = lmm_variable_id(var);
 331         action->lat_current += delta;
 332         if(action->rate<0)
 333           lmm_update_variable_bound(maxmin_system, action->variable,
 334                                     SG_TCP_CTE_GAMMA / (2.0 * action->lat_current));
 335         else
 336           lmm_update_variable_bound(maxmin_system, action->variable,
 337                                     min(action->rate,SG_TCP_CTE_GAMMA / (2.0 * action->lat_current)));
 338         if(!(action->suspended))
 339           lmm_update_variable_weight(maxmin_system, action->variable,
 340                                      action->lat_current);
 341       }
 342     } else if (event_type == nw_link->state_event) {
 343       if (value > 0)
 344         nw_link->state_current = SURF_NETWORK_LINK_ON;
 345       else
 346         nw_link->state_current = SURF_NETWORK_LINK_OFF;
 347     } else {
 348       CRITICAL0("Unknown event ! \n");
 349       xbt_abort();
 350     }
 351     return;
 352   } else if(cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
 353     if (event_type == cpu->power_event) {
 354       cpu->power_current = value;
 355       __update_cpu_usage(cpu);
 356     } else if (event_type == cpu->state_event) {
 357       if (value > 0)
 358         cpu->state_current = SURF_CPU_ON;
 359       else
 360         cpu->state_current = SURF_CPU_OFF;
 361     } else {
 362       CRITICAL0("Unknown event ! \n");
 363       xbt_abort();
 364     }
 365     return;
 366   } else {
 367     DIE_IMPOSSIBLE;
 368   }
 369   return;
 370 }
 371
 372 static void finalize(void)
 373 {
 374   int i,j;
 375
 376   xbt_dict_free(&network_link_set);
 377   xbt_dict_free(&workstation_set);
 378   if (parallel_task_network_link_set != NULL) {
 379     xbt_dict_free(&parallel_task_network_link_set);
 380   }
 381   xbt_swag_free(surf_workstation_resource->common_public->states.
 382                 ready_action_set);
 383   xbt_swag_free(surf_workstation_resource->common_public->states.
 384                 running_action_set);
 385   xbt_swag_free(surf_workstation_resource->common_public->states.
 386                 failed_action_set);
 387   xbt_swag_free(surf_workstation_resource->common_public->states.
 388                 done_action_set);
 389
 390   free(surf_workstation_resource->common_public);
 391   free(surf_workstation_resource->common_private);
 392   free(surf_workstation_resource->extension_public);
 393
 394   free(surf_workstation_resource);
 395   surf_workstation_resource = NULL;
 396
 397   for (i = 0; i < nb_workstation; i++)
 398     for (j = 0; j < nb_workstation; j++)
 399       free(ROUTE(i, j).links);
 400   free(routing_table);
 401   routing_table = NULL;
 402   nb_workstation = 0;
 403
 404   if (maxmin_system) {
 405     lmm_system_free(maxmin_system);
 406     maxmin_system = NULL;
 407   }
 408 }
 409
 410 /**************************************/
 411 /******* Resource Private    **********/
 412 /**************************************/
 413
 414 static surf_action_t execute(void *cpu, double size)
 415 {
 416   surf_action_workstation_KCCFLN05_t action = NULL;
 417   cpu_KCCFLN05_t CPU = cpu;
 418
 419   XBT_IN2("(%s,%g)",CPU->name,size);
 420   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 421
 422   action->generic_action.using = 1;
 423   action->generic_action.cost = size;
 424   action->generic_action.remains = size;
 425   action->generic_action.priority = 1.0;
 426   action->generic_action.max_duration = NO_MAX_DURATION;
 427   action->generic_action.start = surf_get_clock();
 428   action->generic_action.finish = -1.0;
 429   action->generic_action.resource_type =
 430       (surf_resource_t) surf_workstation_resource;
 431   action->suspended = 0;
 432
 433   if (CPU->state_current == SURF_CPU_ON)
 434     action->generic_action.state_set =
 435         surf_workstation_resource->common_public->states.running_action_set;
 436   else
 437     action->generic_action.state_set =
 438         surf_workstation_resource->common_public->states.failed_action_set;
 439   xbt_swag_insert(action, action->generic_action.state_set);
 440
 441   action->variable = lmm_variable_new(maxmin_system, action,
 442                                       action->generic_action.priority, -1.0, 1);
 443   lmm_expand(maxmin_system, CPU->constraint, action->variable,
 444              1.0);
 445   XBT_OUT;
 446   return (surf_action_t) action;
 447 }
 448
 449 static surf_action_t action_sleep(void *cpu, double duration)
 450 {
 451   surf_action_workstation_KCCFLN05_t action = NULL;
 452
 453   XBT_IN2("(%s,%g)",((cpu_KCCFLN05_t)cpu)->name,duration);
 454
 455   action = (surf_action_workstation_KCCFLN05_t) execute(cpu, 1.0);
 456   action->generic_action.max_duration = duration;
 457   lmm_update_variable_weight(maxmin_system, action->variable, 0.0);
 458
 459   XBT_OUT;
 460   return (surf_action_t) action;
 461 }
 462
 463 static e_surf_cpu_state_t resource_get_state(void *cpu)
 464 {
 465   return ((cpu_KCCFLN05_t) cpu)->state_current;
 466 }
 467
 468 static double get_speed(void *cpu, double load)
 469 {
 470   return load*(((cpu_KCCFLN05_t) cpu)->power_scale);
 471 }
 472
 473 static double get_available_speed(void *cpu)
 474 {
 475   return ((cpu_KCCFLN05_t) cpu)->power_current;
 476 }
 477
 478 static surf_action_t communicate(void *src, void *dst, double size, double rate)
 479 {
 480   surf_action_workstation_KCCFLN05_t action = NULL;
 481   cpu_KCCFLN05_t card_src = src;
 482   cpu_KCCFLN05_t card_dst = dst;
 483   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 484   int route_size = route->size;
 485   int i;
 486
 487   XBT_IN4("(%s,%s,%g,%g)",card_src->name,card_dst->name,size,rate);
 488   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);
 489
 490   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 491
 492   action->generic_action.using = 1;
 493   action->generic_action.cost = size;
 494   action->generic_action.remains = size;
 495   action->generic_action.max_duration = NO_MAX_DURATION;
 496   action->generic_action.start = surf_get_clock();
 497   action->generic_action.finish = -1.0;
 498   action->src = src;
 499   action->dst = dst;
 500   action->generic_action.resource_type =
 501     (surf_resource_t) surf_workstation_resource;
 502   action->suspended = 0;  /* Should be useless because of the
 503                              calloc but it seems to help valgrind... */
 504   action->generic_action.state_set =
 505       surf_workstation_resource->common_public->states.running_action_set;
 506
 507   xbt_dynar_push(card_src->outgoing_communications, &action);
 508   xbt_dynar_push(card_dst->incomming_communications, &action);
 509
 510   xbt_swag_insert(action, action->generic_action.state_set);
 511   action->rate = rate;
 512
 513   action->latency = 0.0;
 514   for (i = 0; i < route_size; i++)
 515     action->latency += route->links[i]->lat_current;
 516   action->lat_current = action->latency;
 517
 518   if(action->latency>0)
 519     action->variable = lmm_variable_new(maxmin_system, action, 0.0, -1.0,
 520                                         route_size+4); /* +1 for the src bus
 521                                                           +1 for the dst bus
 522                                                           +1 for the src cpu
 523                                                           +1 for the dst cpu */
 524   else
 525     action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
 526                                         route_size+4);
 527
 528   if(action->rate<0) {
 529     if(action->lat_current>0)
 530       lmm_update_variable_bound(maxmin_system, action->variable,
 531                                 SG_TCP_CTE_GAMMA / (2.0 * action->lat_current));
 532     else
 533       lmm_update_variable_bound(maxmin_system, action->variable, -1.0);
 534   } else {
 535     if(action->lat_current>0)
 536       lmm_update_variable_bound(maxmin_system, action->variable,
 537                                 min(action->rate,SG_TCP_CTE_GAMMA / (2.0 * action->lat_current)));
 538     else
 539       lmm_update_variable_bound(maxmin_system, action->variable, action->rate);
 540   }
 541
 542   for (i = 0; i < route_size; i++)
 543     lmm_expand(maxmin_system, route->links[i]->constraint, action->variable, 1.0);
 544   if (card_src->bus)
 545     lmm_expand(maxmin_system, card_src->bus, action->variable, 1.0);
 546   if (card_dst->bus)
 547     lmm_expand(maxmin_system, card_dst->bus, action->variable, 1.0);
 548   lmm_expand(maxmin_system, card_src->constraint, action->variable, 0.0);
 549   lmm_expand(maxmin_system, card_dst->constraint, action->variable, 0.0);
 550
 551   XBT_OUT;
 552   return (surf_action_t) action;
 553 }
 554
 555 static surf_action_t execute_parallel_task(int workstation_nb,
 556                                            void **workstation_list,
 557                                            double *computation_amount,
 558                                            double *communication_amount,
 559                                            double amount,
 560                                            double rate)
 561 {
 562   surf_action_workstation_KCCFLN05_t action = NULL;
 563   int i, j, k;
 564   int nb_link = 0;
 565   int nb_host = 0;
 566
 567   if (parallel_task_network_link_set == NULL) {
 568     parallel_task_network_link_set = xbt_dict_new_ext(workstation_nb * workstation_nb * 10);
 569   }
 570
 571   /* Compute the number of affected resources... */
 572   for(i=0; i< workstation_nb; i++) {
 573     for(j=0; j< workstation_nb; j++) {
 574       cpu_KCCFLN05_t card_src = workstation_list[i];
 575       cpu_KCCFLN05_t card_dst = workstation_list[j];
 576       int route_size = ROUTE(card_src->id, card_dst->id).size;
 577       network_link_KCCFLN05_t *route = ROUTE(card_src->id, card_dst->id).links;
 578
 579       if(communication_amount[i*workstation_nb+j]>0)
 580         for(k=0; k< route_size; k++) {
 581           xbt_dict_set(parallel_task_network_link_set, route[k]->name, route[k], NULL);
 582         }
 583     }
 584   }
 585
 586   nb_link = xbt_dict_length(parallel_task_network_link_set);
 587   xbt_dict_reset(parallel_task_network_link_set);
 588
 589   for (i = 0; i<workstation_nb; i++)
 590     if(computation_amount[i]>0) nb_host++;
 591
 592   if(nb_link + workstation_nb == 0)
 593     return NULL;
 594
 595   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 596   action->generic_action.using = 1;
 597   action->generic_action.cost = amount;
 598   action->generic_action.remains = amount;
 599   action->generic_action.max_duration = NO_MAX_DURATION;
 600   action->generic_action.start = -1.0;
 601   action->generic_action.finish = -1.0;
 602   action->generic_action.resource_type =
 603       (surf_resource_t) surf_workstation_resource;
 604   action->suspended = 0;  /* Should be useless because of the
 605                              calloc but it seems to help valgrind... */
 606   action->generic_action.state_set =
 607       surf_workstation_resource->common_public->states.running_action_set;
 608
 609   xbt_swag_insert(action, action->generic_action.state_set);
 610   action->rate = rate;
 611
 612   if(action->rate>0)
 613     action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
 614                                         nb_host + nb_link);
 615   else
 616     action->variable = lmm_variable_new(maxmin_system, action, 1.0, action->rate,
 617                                         nb_host + nb_link);
 618
 619   for (i = 0; i<workstation_nb; i++)
 620     if(computation_amount[i]>0)
 621       lmm_expand(maxmin_system, ((cpu_KCCFLN05_t) workstation_list[i])->constraint,
 622                  action->variable, computation_amount[i]);
 623
 624   for (i=0; i<workstation_nb; i++) {
 625     for(j=0; j< workstation_nb; j++) {
 626       cpu_KCCFLN05_t card_src = workstation_list[i];
 627       cpu_KCCFLN05_t card_dst = workstation_list[j];
 628       int route_size = ROUTE(card_src->id, card_dst->id).size;
 629       network_link_KCCFLN05_t *route = ROUTE(card_src->id, card_dst->id).links;
 630
 631       for(k=0; k< route_size; k++) {
 632         if(communication_amount[i*workstation_nb+j]>0) {
 633           lmm_expand_add(maxmin_system, route[k]->constraint,
 634                        action->variable, communication_amount[i*workstation_nb+j]);
 635         }
 636       }
 637     }
 638   }
 639
 640   return (surf_action_t) action;
 641 }
 642
 643 /* returns an array of network_link_KCCFLN05_t */
 644 static const void** get_route(void *src, void *dst) {
 645   cpu_KCCFLN05_t card_src = src;
 646   cpu_KCCFLN05_t card_dst = dst;
 647   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 648
 649   return (const void**) route->links;
 650 }
 651
 652 static int get_route_size(void *src, void *dst) {
 653   cpu_KCCFLN05_t card_src = src;
 654   cpu_KCCFLN05_t card_dst = dst;
 655   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 656   return route->size;
 657 }
 658
 659 static const char *get_link_name(const void *link) {
 660   return ((network_link_KCCFLN05_t) link)->name;
 661 }
 662
 663 static double get_link_bandwidth(const void *link) {
 664   return ((network_link_KCCFLN05_t) link)->bw_current;
 665 }
 666
 667 static double get_link_latency(const void *link) {
 668   return ((network_link_KCCFLN05_t) link)->lat_current;
 669 }
 670
 671 /**************************************/
 672 /*** Resource Creation & Destruction **/
 673 /**************************************/
 674
 675 static void cpu_free(void *cpu)
 676 {
 677   free(((cpu_KCCFLN05_t) cpu)->name);
 678   xbt_dynar_free(&(((cpu_KCCFLN05_t) cpu)->incomming_communications));
 679   xbt_dynar_free(&(((cpu_KCCFLN05_t) cpu)->outgoing_communications));
 680   free(cpu);
 681 }
 682
 683 static cpu_KCCFLN05_t cpu_new(const char *name, double power_scale,
 684                               double power_initial,
 685                               tmgr_trace_t power_trace,
 686                               e_surf_cpu_state_t state_initial,
 687                               tmgr_trace_t state_trace,
 688                               double interference_send,
 689                               double interference_recv,
 690                               double interference_send_recv,
 691                               double max_outgoing_rate)
 692 {
 693   cpu_KCCFLN05_t cpu = xbt_new0(s_cpu_KCCFLN05_t, 1);
 694
 695   cpu->resource = (surf_resource_t) surf_workstation_resource;
 696   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
 697   cpu->name = xbt_strdup(name);
 698   cpu->id = nb_workstation++;
 699
 700   cpu->power_scale = power_scale;
 701   xbt_assert0(cpu->power_scale > 0, "Power has to be >0");
 702
 703   cpu->power_current = power_initial;
 704   if (power_trace)
 705     cpu->power_event =
 706         tmgr_history_add_trace(history, power_trace, 0.0, 0, cpu);
 707
 708   cpu->state_current = state_initial;
 709   if (state_trace)
 710     cpu->state_event =
 711         tmgr_history_add_trace(history, state_trace, 0.0, 0, cpu);
 712
 713   cpu->interference_send = interference_send;
 714   cpu->interference_recv = interference_recv;
 715   cpu->interference_send_recv = interference_send_recv;
 716
 717   cpu->constraint =
 718       lmm_constraint_new(maxmin_system, cpu,
 719                          cpu->power_current * cpu->power_scale);
 720   if (max_outgoing_rate > 0)
 721     cpu->bus = lmm_constraint_new(maxmin_system, cpu, max_outgoing_rate);
 722
 723   cpu->incomming_communications =
 724       xbt_dynar_new(sizeof(surf_action_workstation_KCCFLN05_t), NULL);
 725   cpu->outgoing_communications =
 726       xbt_dynar_new(sizeof(surf_action_workstation_KCCFLN05_t), NULL);
 727
 728   xbt_dict_set(workstation_set, name, cpu, cpu_free);
 729
 730   return cpu;
 731 }
 732
 733 static void parse_cpu(void)
 734 {
 735   double power_scale = 0.0;
 736   double power_initial = 0.0;
 737   tmgr_trace_t power_trace = NULL;
 738   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
 739   tmgr_trace_t state_trace = NULL;
 740   double interference_send = 0.0;
 741   double interference_recv = 0.0;
 742   double interference_send_recv = 0.0;
 743   double max_outgoing_rate = -1.0;
 744
 745   surf_parse_get_double(&power_scale, A_surfxml_cpu_power);
 746   surf_parse_get_double(&power_initial, A_surfxml_cpu_availability);
 747   surf_parse_get_trace(&power_trace, A_surfxml_cpu_availability_file);
 748
 749   xbt_assert0((A_surfxml_cpu_state == A_surfxml_cpu_state_ON) ||
 750               (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF),
 751               "Invalid state");
 752   if (A_surfxml_cpu_state == A_surfxml_cpu_state_ON)
 753     state_initial = SURF_CPU_ON;
 754   if (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF)
 755     state_initial = SURF_CPU_OFF;
 756   surf_parse_get_trace(&state_trace, A_surfxml_cpu_state_file);
 757
 758   surf_parse_get_double(&interference_send,
 759                         A_surfxml_cpu_interference_send);
 760   surf_parse_get_double(&interference_recv,
 761                         A_surfxml_cpu_interference_recv);
 762   surf_parse_get_double(&interference_send_recv,
 763                         A_surfxml_cpu_interference_send_recv);
 764   surf_parse_get_double(&max_outgoing_rate,
 765                         A_surfxml_cpu_max_outgoing_rate);
 766
 767   cpu_new(A_surfxml_cpu_name, power_scale, power_initial, power_trace,
 768           state_initial, state_trace, interference_send, interference_recv,
 769           interference_send_recv, max_outgoing_rate);
 770 }
 771
 772 static void create_routing_table(void)
 773 {
 774   routing_table =
 775       xbt_new0(s_route_KCCFLN05_t, nb_workstation * nb_workstation);
 776 }
 777
 778 static void network_link_free(void *nw_link)
 779 {
 780   free(((network_link_KCCFLN05_t) nw_link)->name);
 781   free(nw_link);
 782 }
 783
 784 static network_link_KCCFLN05_t network_link_new(char *name,
 785                                                 double bw_initial,
 786                                                 tmgr_trace_t bw_trace,
 787                                                 double lat_initial,
 788                                                 tmgr_trace_t lat_trace,
 789                                                 e_surf_network_link_state_t
 790                                                 state_initial,
 791                                                 tmgr_trace_t state_trace,
 792                                                 e_surf_network_link_sharing_policy_t policy)
 793 {
 794   network_link_KCCFLN05_t nw_link = xbt_new0(s_network_link_KCCFLN05_t, 1);
 795
 796
 797   nw_link->resource = (surf_resource_t) surf_workstation_resource;
 798   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
 799   nw_link->name = name;
 800   nw_link->bw_current = bw_initial;
 801   if (bw_trace)
 802     nw_link->bw_event =
 803         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 804   nw_link->state_current = state_initial;
 805   nw_link->lat_current = lat_initial;
 806   if (lat_trace)
 807     nw_link->lat_event =
 808         tmgr_history_add_trace(history, lat_trace, 0.0, 0, nw_link);
 809   if (state_trace)
 810     nw_link->state_event =
 811         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 812
 813   nw_link->constraint =
 814       lmm_constraint_new(maxmin_system, nw_link, nw_link->bw_current);
 815
 816   if(policy == SURF_NETWORK_LINK_FATPIPE)
 817     lmm_constraint_shared(nw_link->constraint);
 818
 819   xbt_dict_set(network_link_set, name, nw_link, network_link_free);
 820
 821   return nw_link;
 822 }
 823
 824 static void parse_network_link(void)
 825 {
 826   char *name;
 827   double bw_initial;
 828   tmgr_trace_t bw_trace;
 829   double lat_initial;
 830   tmgr_trace_t lat_trace;
 831   e_surf_network_link_state_t state_initial = SURF_NETWORK_LINK_ON;
 832   e_surf_network_link_sharing_policy_t policy_initial = SURF_NETWORK_LINK_SHARED;
 833   tmgr_trace_t state_trace;
 834
 835   name = xbt_strdup(A_surfxml_network_link_name);
 836   surf_parse_get_double(&bw_initial,A_surfxml_network_link_bandwidth);
 837   surf_parse_get_trace(&bw_trace, A_surfxml_network_link_bandwidth_file);
 838   surf_parse_get_double(&lat_initial,A_surfxml_network_link_latency);
 839   surf_parse_get_trace(&lat_trace, A_surfxml_network_link_latency_file);
 840
 841   xbt_assert0((A_surfxml_network_link_state==A_surfxml_network_link_state_ON)||
 842               (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF),
 843               "Invalid state");
 844   if (A_surfxml_network_link_state==A_surfxml_network_link_state_ON)
 845     state_initial = SURF_NETWORK_LINK_ON;
 846   else if (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF)
 847     state_initial = SURF_NETWORK_LINK_OFF;
 848
 849   if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_SHARED)
 850     policy_initial = SURF_NETWORK_LINK_SHARED;
 851   else if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_FATPIPE)
 852     policy_initial = SURF_NETWORK_LINK_FATPIPE;
 853
 854   surf_parse_get_trace(&state_trace,A_surfxml_network_link_state_file);
 855
 856   network_link_new(name, bw_initial, bw_trace,
 857                    lat_initial, lat_trace, state_initial, state_trace,
 858                    policy_initial);
 859 }
 860
 861 static void route_new(int src_id, int dst_id, network_link_KCCFLN05_t *link_list, int nb_link,
 862                       double impact_on_src, double impact_on_dst,
 863                       double impact_on_src_with_other_recv,
 864                       double impact_on_dst_with_other_send)
 865 {
 866   route_KCCFLN05_t route = &(ROUTE(src_id, dst_id));
 867
 868   route->size = nb_link;
 869   route->links = link_list = xbt_realloc(link_list, sizeof(network_link_KCCFLN05_t) * nb_link);
 870   route->impact_on_src = impact_on_src;
 871   route->impact_on_dst = impact_on_src;
 872   route->impact_on_src_with_other_recv = impact_on_src_with_other_recv;
 873   route->impact_on_dst_with_other_send = impact_on_dst_with_other_send;
 874 }
 875
 876 static int nb_link;
 877 static int link_list_capacity;
 878 static network_link_KCCFLN05_t *link_list = NULL;
 879 static int src_id = -1;
 880 static int dst_id = -1;
 881 static double impact_on_src;
 882 static double impact_on_dst;
 883 static double impact_on_src_with_other_recv;
 884 static double impact_on_dst_with_other_send;
 885
 886 static void parse_route_set_endpoints(void)
 887 {
 888   src_id = ((cpu_KCCFLN05_t) name_service(A_surfxml_route_src))->id;
 889   dst_id = ((cpu_KCCFLN05_t) name_service(A_surfxml_route_dst))->id;
 890   surf_parse_get_double(&impact_on_src, A_surfxml_route_impact_on_src);
 891   surf_parse_get_double(&impact_on_dst, A_surfxml_route_impact_on_dst);
 892   surf_parse_get_double(&impact_on_src_with_other_recv,
 893                         A_surfxml_route_impact_on_src_with_other_recv);
 894   surf_parse_get_double(&impact_on_dst_with_other_send,
 895                         A_surfxml_route_impact_on_dst_with_other_send);
 896
 897   nb_link = 0;
 898   link_list_capacity = 20;
 899   link_list = xbt_new(network_link_KCCFLN05_t, link_list_capacity);
 900 }
 901
 902 static void parse_route_elem(void)
 903 {
 904   if (nb_link == link_list_capacity) {
 905     link_list_capacity *= 2;
 906     link_list = xbt_realloc(link_list, (link_list_capacity) * sizeof(network_link_KCCFLN05_t));
 907   }
 908   link_list[nb_link++] = xbt_dict_get_or_null(network_link_set, A_surfxml_route_element_name);
 909 }
 910
 911 static void parse_route_set_route(void)
 912 {
 913   route_new(src_id, dst_id, link_list, nb_link, impact_on_src,
 914             impact_on_dst, impact_on_src_with_other_recv,
 915             impact_on_dst_with_other_send);
 916 }
 917
 918 static void parse_file(const char *file)
 919 {
 920   int i ;
 921
 922   /* Figuring out the cpus */
 923   surf_parse_reset_parser();
 924   ETag_surfxml_cpu_fun = parse_cpu;
 925   surf_parse_open(file);
 926   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 927   surf_parse_close();
 928
 929   create_routing_table();
 930
 931   /* Figuring out the network links */
 932   surf_parse_reset_parser();
 933   ETag_surfxml_network_link_fun = parse_network_link;
 934   surf_parse_open(file);
 935   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 936   surf_parse_close();
 937
 938   /* Building the routes */
 939   surf_parse_reset_parser();
 940   STag_surfxml_route_fun = parse_route_set_endpoints;
 941   ETag_surfxml_route_element_fun = parse_route_elem;
 942   ETag_surfxml_route_fun = parse_route_set_route;
 943   surf_parse_open(file);
 944   xbt_assert1((!surf_parse()), "Parse error in %s", file);
 945   surf_parse_close();
 946
 947   /* Adding loopback if needed */
 948   for (i = 0; i < nb_workstation; i++)
 949     if(!ROUTE(i,i).size) {
 950       if(!loopback)
 951         loopback = network_link_new(xbt_strdup("__MSG_loopback__"),
 952                                    498000000, NULL, 0.000015, NULL,
 953                                    SURF_NETWORK_LINK_ON, NULL,
 954                                    SURF_NETWORK_LINK_FATPIPE);
 955       ROUTE(i,i).size=1;
 956       ROUTE(i,i).links = xbt_new0(network_link_KCCFLN05_t, 1);
 957       ROUTE(i,i).links[0] = loopback;
 958     }
 959
 960 }
 961
 962 /**************************************/
 963 /********* Module  creation ***********/
 964 /**************************************/
 965
 966 static void resource_init_internal(void)
 967 {
 968   s_surf_action_t action;
 969
 970   surf_workstation_resource = xbt_new0(s_surf_workstation_resource_t, 1);
 971
 972   surf_workstation_resource->common_private =
 973       xbt_new0(s_surf_resource_private_t, 1);
 974   surf_workstation_resource->common_public =
 975       xbt_new0(s_surf_resource_public_t, 1);
 976   surf_workstation_resource->extension_public =
 977       xbt_new0(s_surf_workstation_resource_extension_public_t, 1);
 978
 979   surf_workstation_resource->common_public->states.ready_action_set =
 980       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 981   surf_workstation_resource->common_public->states.running_action_set =
 982       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 983   surf_workstation_resource->common_public->states.failed_action_set =
 984       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 985   surf_workstation_resource->common_public->states.done_action_set =
 986       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 987
 988   surf_workstation_resource->common_public->name_service = name_service;
 989   surf_workstation_resource->common_public->get_resource_name = get_resource_name;
 990   surf_workstation_resource->common_public->action_get_state = surf_action_get_state;
 991   surf_workstation_resource->common_public->action_get_start_time =
 992       surf_action_get_start_time;
 993   surf_workstation_resource->common_public->action_get_finish_time =
 994       surf_action_get_finish_time;
 995   surf_workstation_resource->common_public->action_use = action_use;
 996   surf_workstation_resource->common_public->action_free = action_free;
 997   surf_workstation_resource->common_public->action_cancel = action_cancel;
 998   surf_workstation_resource->common_public->action_recycle = action_recycle;
 999   surf_workstation_resource->common_public->action_change_state = surf_action_change_state;
1000   surf_workstation_resource->common_public->action_set_data = surf_action_set_data;
1001   surf_workstation_resource->common_public->suspend = action_suspend;
1002   surf_workstation_resource->common_public->resume = action_resume;
1003   surf_workstation_resource->common_public->is_suspended = action_is_suspended;
1004   surf_workstation_resource->common_public->set_max_duration = action_set_max_duration;
1005   surf_workstation_resource->common_public->set_priority = action_set_priority;
1006   surf_workstation_resource->common_public->name = "Workstation KCCFLN05";
1007
1008   surf_workstation_resource->common_private->resource_used = resource_used;
1009   surf_workstation_resource->common_private->share_resources = share_resources;
1010   surf_workstation_resource->common_private->update_actions_state = update_actions_state;
1011   surf_workstation_resource->common_private->update_resource_state = update_resource_state;
1012   surf_workstation_resource->common_private->finalize = finalize;
1013
1014   surf_workstation_resource->extension_public->execute = execute;
1015   surf_workstation_resource->extension_public->sleep = action_sleep;
1016   surf_workstation_resource->extension_public->get_state = resource_get_state;
1017   surf_workstation_resource->extension_public->get_speed = get_speed;
1018   surf_workstation_resource->extension_public->get_available_speed = get_available_speed;
1019   surf_workstation_resource->extension_public->communicate = communicate;
1020   surf_workstation_resource->extension_public->execute_parallel_task = execute_parallel_task;
1021   surf_workstation_resource->extension_public->get_route = get_route;
1022   surf_workstation_resource->extension_public->get_route_size = get_route_size;
1023   surf_workstation_resource->extension_public->get_link_name = get_link_name;
1024   surf_workstation_resource->extension_public->get_link_bandwidth = get_link_bandwidth;
1025   surf_workstation_resource->extension_public->get_link_latency = get_link_latency;
1026
1027   workstation_set = xbt_dict_new();
1028   network_link_set = xbt_dict_new();
1029
1030   xbt_assert0(maxmin_system, "surf_init has to be called first!");
1031 }
1032
1033 /**************************************/
1034 /*************** Generic **************/
1035 /**************************************/
1036 void surf_workstation_resource_init_KCCFLN05(const char *filename)
1037 {
1038   xbt_assert0(!surf_cpu_resource, "CPU resource type already defined");
1039   xbt_assert0(!surf_network_resource, "network resource type already defined");
1040   resource_init_internal();
1041   parse_file(filename);
1042
1043   xbt_dynar_push(resource_list, &surf_workstation_resource);
1044 }