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/dict.h"
   9 #include "workstation_KCCFLN05_private.h"
  10
  11 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(workstation_KCCFLN05, surf,
  12                                 "Logging specific to the SURF workstation module (KCCFLN05)");
  13
  14
  15 static lmm_system_t maxmin_system_cpu_KCCFLN05 = NULL;
  16 static lmm_system_t maxmin_system_network_KCCFLN05 = NULL;
  17 static xbt_dict_t network_link_set = NULL;
  18 static int nb_workstation = 0;
  19 s_route_KCCFLN05_t *routing_table = NULL;
  20 #define ROUTE(i,j) routing_table[(i)+(j)*nb_workstation]
  21
  22 /**************************************/
  23 /************* CPU object *************/
  24 /**************************************/
  25
  26 /************ workstation creation *********/
  27 static void workstation_free(void *workstation)
  28 {
  29   xbt_free(((workstation_KCCFLN05_t)workstation)->name);
  30   xbt_dynar_free(&(((workstation_KCCFLN05_t)workstation)->incomming_communications));
  31   xbt_dynar_free(&(((workstation_KCCFLN05_t)workstation)->outgoing_communications));
  32   xbt_free(workstation);
  33 }
  34
  35 static workstation_KCCFLN05_t workstation_new(const char *name,
  36                                               double power_scale,
  37                                               double power_initial,
  38                                               tmgr_trace_t power_trace,
  39                                               e_surf_cpu_state_t state_initial,
  40                                               tmgr_trace_t state_trace,
  41                                               double interference_send,
  42                                               double interference_recv,
  43                                               double interference_send_recv,
  44                                               double max_outgoing_rate)
  45 {
  46   workstation_KCCFLN05_t workstation = xbt_new0(s_workstation_KCCFLN05_t, 1);
  47
  48   workstation->resource = (surf_resource_t) surf_workstation_resource;
  49   workstation->name = xbt_strdup(name);
  50   workstation->id = nb_workstation++;
  51
  52   workstation->power_scale = power_scale;
  53   xbt_assert0(workstation->power_scale>0,"Power has to be >0");
  54
  55   workstation->power_current = power_initial;
  56   if (power_trace)
  57     workstation->power_event =
  58         tmgr_history_add_trace(history, power_trace, 0.0, 0, workstation);
  59
  60   workstation->state_current = state_initial;
  61   if (state_trace)
  62     workstation->state_event =
  63         tmgr_history_add_trace(history, state_trace, 0.0, 0, workstation);
  64
  65   workstation->interference_send=interference_send;
  66   workstation->interference_recv=interference_recv;
  67   workstation->interference_send_recv=interference_send_recv;
  68
  69   workstation->constraint =
  70       lmm_constraint_new(maxmin_system_cpu_KCCFLN05, workstation,
  71                          workstation->power_current * workstation->power_scale);
  72   if(max_outgoing_rate>0)
  73     workstation->bus=
  74       lmm_constraint_new(maxmin_system_cpu_KCCFLN05, workstation,
  75                          max_outgoing_rate);
  76
  77   workstation->incomming_communications =
  78     xbt_dynar_new(sizeof(surf_action_network_KCCFLN05_t),NULL);
  79   workstation->outgoing_communications =
  80     xbt_dynar_new(sizeof(surf_action_network_KCCFLN05_t),NULL);
  81
  82   xbt_dict_set(workstation_set, name, workstation, workstation_free);
  83
  84   return workstation;
  85 }
  86
  87 static void parse_workstation(void)
  88 {
  89   double power_scale = 0.0;
  90   double power_initial = 0.0;
  91   tmgr_trace_t power_trace = NULL;
  92   e_surf_cpu_state_t state_initial = SURF_CPU_OFF;
  93   tmgr_trace_t state_trace = NULL;
  94   double interference_send = 0.0;
  95   double interference_recv = 0.0;
  96   double interference_send_recv = 0.0;
  97   double max_outgoing_rate = -1.0;
  98
  99   surf_parse_get_double(&power_scale,A_cpu_power);
 100   surf_parse_get_double(&power_initial,A_cpu_availability);
 101   surf_parse_get_trace(&power_trace,A_cpu_availability_file);
 102
 103   xbt_assert0((A_cpu_state==A_cpu_state_ON)||
 104               (A_cpu_state==A_cpu_state_OFF),
 105               "Invalid state")
 106   if (A_cpu_state==A_cpu_state_ON) state_initial = SURF_CPU_ON;
 107   if (A_cpu_state==A_cpu_state_OFF) state_initial = SURF_CPU_OFF;
 108   surf_parse_get_trace(&state_trace,A_cpu_state_file);
 109
 110   surf_parse_get_double(&interference_send,A_cpu_interference_send);
 111   surf_parse_get_double(&interference_recv,A_cpu_interference_recv);
 112   surf_parse_get_double(&interference_send_recv,A_cpu_interference_send_recv);
 113   surf_parse_get_double(&max_outgoing_rate,A_cpu_max_outgoing_rate);
 114
 115   workstation_new(A_cpu_name, power_scale, power_initial, power_trace, state_initial,
 116                   state_trace, interference_send, interference_recv,
 117                   interference_send_recv, max_outgoing_rate);
 118 }
 119
 120 /*********** resource management ***********/
 121
 122 static void *name_service(const char *name)
 123 {
 124   void *workstation = NULL;
 125
 126   xbt_dict_get(workstation_set, name, &workstation);
 127
 128   return workstation;
 129 }
 130
 131 static const char *get_resource_name(void *resource_id)
 132 {
 133   return ((workstation_KCCFLN05_t) resource_id)->name;
 134 }
 135
 136 static int cpu_used(void *resource_id)
 137 {
 138   return lmm_constraint_used(maxmin_system_cpu_KCCFLN05,
 139                              ((workstation_KCCFLN05_t) resource_id)->constraint);
 140 }
 141
 142 static int link_used(void *resource_id)
 143 {
 144   return lmm_constraint_used(maxmin_system_network_KCCFLN05,
 145                              ((network_link_KCCFLN05_t) resource_id)->constraint);
 146 }
 147
 148 static e_surf_cpu_state_t get_state(void *cpu)
 149 {
 150   return ((workstation_KCCFLN05_t) cpu)->state_current;
 151 }
 152
 153 static void update_cpu_KCCFLN05_state(void *id,
 154                                       tmgr_trace_event_t event_type,
 155                                       double value)
 156 {
 157   workstation_KCCFLN05_t cpu = id;
 158
 159   if (event_type == cpu->power_event) {
 160     cpu->power_current = value;
 161     /*** The bound is updated in share_cpu_KCCFLN05_resources ***/
 162     /*     lmm_update_constraint_bound(maxmin_system_cpu_KCCFLN05, cpu->constraint, */
 163     /*                          cpu->power_current * cpu->power_scale); */
 164   } else if (event_type == cpu->state_event) {
 165     if (value > 0)
 166       cpu->state_current = SURF_CPU_ON;
 167     else
 168       cpu->state_current = SURF_CPU_OFF;
 169   } else {
 170     CRITICAL0("Unknown event ! \n");
 171     xbt_abort();
 172   }
 173
 174   return;
 175 }
 176
 177 /**************************************/
 178 /*********** network object ***********/
 179 /**************************************/
 180
 181 static void create_routing_table(void)
 182 {
 183   routing_table = xbt_new0(s_route_KCCFLN05_t, nb_workstation * nb_workstation);
 184 }
 185
 186 static void network_link_free(void *nw_link)
 187 {
 188   xbt_free(((network_link_KCCFLN05_t)nw_link)->name);
 189   xbt_free(nw_link);
 190 }
 191
 192 static network_link_KCCFLN05_t network_link_new(char *name,
 193                                                  double bw_initial,
 194                                                  tmgr_trace_t bw_trace,
 195                                                  e_surf_network_link_state_t
 196                                                  state_initial,
 197                                                  tmgr_trace_t state_trace)
 198 {
 199   network_link_KCCFLN05_t nw_link = xbt_new0(s_network_link_KCCFLN05_t, 1);
 200
 201
 202   nw_link->resource = (surf_resource_t) surf_network_resource;
 203   nw_link->name = name;
 204   nw_link->bw_current = bw_initial;
 205   if (bw_trace)
 206     nw_link->bw_event =
 207         tmgr_history_add_trace(history, bw_trace, 0.0, 0, nw_link);
 208   nw_link->state_current = state_initial;
 209   if (state_trace)
 210     nw_link->state_event =
 211         tmgr_history_add_trace(history, state_trace, 0.0, 0, nw_link);
 212
 213   nw_link->constraint =
 214       lmm_constraint_new(maxmin_system_network_KCCFLN05, nw_link, nw_link->bw_current);
 215
 216   xbt_dict_set(network_link_set, name, nw_link, network_link_free);
 217
 218   return nw_link;
 219 }
 220
 221 static void parse_network_link(void)
 222 {
 223   char *name;
 224   double bw_initial;
 225   tmgr_trace_t bw_trace;
 226   e_surf_network_link_state_t state_initial = SURF_NETWORK_LINK_ON;
 227   tmgr_trace_t state_trace;
 228
 229   name = xbt_strdup(A_network_link_name);
 230   surf_parse_get_double(&bw_initial,A_network_link_bandwidth);
 231   surf_parse_get_trace(&bw_trace, A_network_link_bandwidth_file);
 232
 233   xbt_assert0((A_network_link_state==A_network_link_state_ON)||
 234               (A_network_link_state==A_network_link_state_OFF),
 235               "Invalid state")
 236   if (A_network_link_state==A_network_link_state_ON)
 237     state_initial = SURF_NETWORK_LINK_ON;
 238   if (A_network_link_state==A_network_link_state_OFF)
 239     state_initial = SURF_NETWORK_LINK_OFF;
 240   surf_parse_get_trace(&state_trace,A_network_link_state_file);
 241
 242   network_link_new(name, bw_initial, bw_trace, state_initial, state_trace);
 243 }
 244
 245 static void route_new(int src_id, int dst_id, char **links, int nb_link,
 246                       double impact_on_src, double impact_on_dst,
 247                       double impact_on_src_with_other_recv,
 248                       double impact_on_dst_with_other_send)
 249 {
 250   network_link_KCCFLN05_t *link_list = NULL;
 251   int i;
 252   route_KCCFLN05_t route = &(ROUTE(src_id,dst_id));
 253
 254   route->size= nb_link;
 255   link_list = route->links = xbt_new0(network_link_KCCFLN05_t, nb_link);
 256   for (i = 0; i < nb_link; i++) {
 257     xbt_dict_get(network_link_set, links[i], (void *) &(link_list[i]));
 258     xbt_free(links[i]);
 259   }
 260   xbt_free(links);
 261   route->impact_on_src=impact_on_src;
 262   route->impact_on_dst=impact_on_src;
 263   route->impact_on_src_with_other_recv=impact_on_src_with_other_recv;
 264   route->impact_on_dst_with_other_send=impact_on_dst_with_other_send;
 265 }
 266
 267 static int nb_link = 0;
 268 static char **link_name = NULL;
 269 static int src_id = -1;
 270 static int dst_id = -1;
 271 static double impact_on_src;
 272 static double impact_on_dst;
 273 static double impact_on_src_with_other_recv;
 274 static double impact_on_dst_with_other_send;
 275
 276 static void parse_route_set_endpoints(void)
 277 {
 278   src_id = ((workstation_KCCFLN05_t) name_service(A_route_src))->id;
 279   dst_id = ((workstation_KCCFLN05_t) name_service(A_route_dst))->id;
 280   surf_parse_get_double(&impact_on_src,A_route_impact_on_src);
 281   surf_parse_get_double(&impact_on_dst,A_route_impact_on_dst);
 282   surf_parse_get_double(&impact_on_src_with_other_recv,A_route_impact_on_src_with_other_recv);
 283   surf_parse_get_double(&impact_on_dst_with_other_send,A_route_impact_on_dst_with_other_send);
 284
 285   nb_link = 0;
 286   link_name = NULL;
 287 }
 288
 289 static void parse_route_elem(void)
 290 {
 291   nb_link++;
 292   link_name = xbt_realloc(link_name, (nb_link) * sizeof(char *));
 293   link_name[(nb_link) - 1] = xbt_strdup(A_route_element_name);
 294 }
 295
 296 static void parse_route_set_route(void)
 297 {
 298   route_new(src_id, dst_id, link_name, nb_link, impact_on_src, impact_on_dst,
 299             impact_on_src_with_other_recv, impact_on_dst_with_other_send);
 300 }
 301
 302 static void parse_file(const char *file)
 303 {
 304   /* Figuring out the workstations */
 305   surf_parse_reset_parser();
 306   ETag_cpu_fun=parse_workstation;
 307   surf_parse_open(file);
 308   xbt_assert1((!surf_parse()),"Parse error in %s",file);
 309   surf_parse_close();
 310
 311   create_routing_table();
 312
 313   /* Figuring out the network links */
 314   surf_parse_reset_parser();
 315   ETag_network_link_fun=parse_network_link;
 316   surf_parse_open(file);
 317   xbt_assert1((!surf_parse()),"Parse error in %s",file);
 318   surf_parse_close();
 319
 320   /* Building the routes */
 321   surf_parse_reset_parser();
 322   STag_route_fun=parse_route_set_endpoints;
 323   ETag_route_element_fun=parse_route_elem;
 324   ETag_route_fun=parse_route_set_route;
 325   surf_parse_open(file);
 326   xbt_assert1((!surf_parse()),"Parse error in %s",file);
 327   surf_parse_close();
 328 }
 329
 330 static void update_network_KCCFLN05_state(void *id,
 331                                           tmgr_trace_event_t event_type,
 332                                           double value)
 333 {
 334   network_link_KCCFLN05_t nw_link = id;
 335
 336   if (event_type == nw_link->bw_event) {
 337     nw_link->bw_current = value;
 338     lmm_update_constraint_bound(maxmin_system_network_KCCFLN05, nw_link->constraint,
 339                                 nw_link->bw_current);
 340   } else if (event_type == nw_link->state_event) {
 341     if (value > 0)
 342       nw_link->state_current = SURF_NETWORK_LINK_ON;
 343     else
 344       nw_link->state_current = SURF_NETWORK_LINK_OFF;
 345   } else {
 346     CRITICAL0("Unknown event ! \n");
 347     xbt_abort();
 348   }
 349
 350   return;
 351 }
 352
 353 /**************************************/
 354 /*************** actions **************/
 355 /**************************************/
 356 /*************** network **************/
 357 static void action_network_KCCFLN05_free(surf_action_t action)
 358 {
 359   int cpt;
 360   surf_action_t act = NULL;
 361   workstation_KCCFLN05_t src = ((surf_action_network_KCCFLN05_t) action)->src;
 362   workstation_KCCFLN05_t dst = ((surf_action_network_KCCFLN05_t) action)->dst;
 363
 364   xbt_swag_remove(action, action->state_set);
 365   lmm_variable_free(maxmin_system_network_KCCFLN05,
 366                     ((surf_action_network_KCCFLN05_t) action)->variable);
 367
 368   xbt_dynar_foreach (src->outgoing_communications,cpt,act) {
 369     if(act==action) {
 370       xbt_dynar_remove_at(src->outgoing_communications, cpt, &act);
 371       break;
 372     }
 373   }
 374
 375   xbt_dynar_foreach (dst->incomming_communications,cpt,act) {
 376     if(act==action) {
 377       xbt_dynar_remove_at(dst->incomming_communications, cpt, &act);
 378       break;
 379     }
 380   }
 381
 382   xbt_free(action);
 383 }
 384
 385 static double share_network_KCCFLN05_resources(double now)
 386 {
 387  s_surf_action_network_KCCFLN05_t action;
 388  return generic_maxmin_share_resources2(surf_network_resource->common_public->
 389                                         states.running_action_set,
 390                                         xbt_swag_offset(action, variable),
 391                                         maxmin_system_network_KCCFLN05);
 392 }
 393
 394 static void action_network_KCCFLN05_change_state(surf_action_t action,
 395                                                  e_surf_action_state_t state)
 396 {
 397   if((state==SURF_ACTION_DONE) || (state==SURF_ACTION_FAILED))
 398     if(((surf_action_network_KCCFLN05_t)action)->variable) {
 399       lmm_variable_free(maxmin_system, ((surf_action_network_KCCFLN05_t)action)->variable);
 400       ((surf_action_network_KCCFLN05_t)action)->variable = NULL;
 401     }
 402   surf_action_change_state(action, state);
 403   return;
 404 }
 405
 406 static void update_actions_network_KCCFLN05_state(double now, double delta)
 407 {
 408   surf_action_network_KCCFLN05_t action = NULL;
 409   surf_action_network_KCCFLN05_t next_action = NULL;
 410   xbt_swag_t running_actions =
 411       surf_network_resource->common_public->states.running_action_set;
 412   xbt_swag_t failed_actions =
 413       surf_network_resource->common_public->states.failed_action_set;
 414
 415   xbt_swag_foreach_safe(action, next_action, running_actions) {
 416     surf_double_update(&(action->generic_action.remains),
 417                        lmm_variable_getvalue(action->variable) * delta);
 418     if (action->generic_action.max_duration != NO_MAX_DURATION)
 419           surf_double_update(&(action->generic_action.max_duration), delta);
 420     if ((action->generic_action.remains <= 0.0) &&
 421         (lmm_get_variable_weight(action->variable)>0)) {
 422       action->generic_action.finish = surf_get_clock();
 423       action_network_KCCFLN05_change_state((surf_action_t) action, SURF_ACTION_DONE);
 424     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 425                (action->generic_action.max_duration <= 0.0)) {
 426       action->generic_action.finish = surf_get_clock();
 427       action_network_KCCFLN05_change_state((surf_action_t) action, SURF_ACTION_DONE);
 428     } else {                    /* Need to check that none of the resource has failed */
 429       /* FIXME : FAILURES ARE NOT HANDLED YET */
 430     }
 431   }
 432
 433   xbt_swag_foreach_safe(action, next_action, failed_actions) {
 434     lmm_variable_disable(maxmin_system_network_KCCFLN05, action->variable);
 435   }
 436
 437   return;
 438 }
 439
 440 static surf_action_t communicate_KCCFLN05(void *src, void *dst, double size,
 441                                           double rate)
 442 {
 443   surf_action_network_KCCFLN05_t action = NULL;
 444   workstation_KCCFLN05_t card_src = src;
 445   workstation_KCCFLN05_t card_dst = dst;
 446   route_KCCFLN05_t route = &ROUTE(card_src->id, card_dst->id);
 447   int i;
 448
 449   action = xbt_new0(s_surf_action_network_KCCFLN05_t, 1);
 450
 451   action->generic_action.cost = size;
 452   action->generic_action.remains = size;
 453   action->generic_action.max_duration = NO_MAX_DURATION;
 454   action->generic_action.start = -1.0;
 455   action->generic_action.finish = -1.0;
 456   action->generic_action.resource_type =
 457       (surf_resource_t) surf_network_resource;
 458
 459   action->generic_action.state_set =
 460       surf_network_resource->common_public->states.running_action_set;
 461
 462   xbt_swag_insert(action, action->generic_action.state_set);
 463
 464   if(rate>0)
 465     action->variable = lmm_variable_new(maxmin_system_network_KCCFLN05, action, 1.0, rate,
 466                                         route->size+1);
 467   else
 468     action->variable = lmm_variable_new(maxmin_system_network_KCCFLN05, action, 1.0, -1.0,
 469                                         route->size+1);
 470
 471   for (i = 0; i < route->size; i++)
 472     lmm_expand(maxmin_system_network_KCCFLN05, route->links[i]->constraint,
 473                action->variable, 1.0);
 474
 475   if(card_src->bus)
 476     lmm_expand(maxmin_system_network_KCCFLN05, card_src->bus,
 477                action->variable, 1.0);
 478
 479   action->src=src;
 480   action->dst=dst;
 481
 482   xbt_dynar_push(card_src->outgoing_communications,&action);
 483   xbt_dynar_push(card_dst->incomming_communications,&action);
 484
 485   return (surf_action_t) action;
 486 }
 487
 488 static void network_KCCFLN05_action_suspend(surf_action_t action)
 489 {
 490   lmm_update_variable_weight(maxmin_system_network_KCCFLN05,
 491                              ((surf_action_network_KCCFLN05_t) action)->variable, 0.0);
 492 }
 493
 494 static void network_KCCFLN05_action_resume(surf_action_t action)
 495 {
 496   lmm_update_variable_weight(maxmin_system_network_KCCFLN05,
 497                              ((surf_action_network_KCCFLN05_t) action)->variable, 1.0);
 498 }
 499
 500 static int network_KCCFLN05_action_is_suspended(surf_action_t action)
 501 {
 502   return (lmm_get_variable_weight(((surf_action_network_KCCFLN05_t) action)->variable) == 0.0);
 503 }
 504
 505 /***************** CPU ****************/
 506 static void action_cpu_KCCFLN05_free(surf_action_t action)
 507 {
 508   xbt_swag_remove(action, action->state_set);
 509   lmm_variable_free(maxmin_system_cpu_KCCFLN05, ((surf_action_cpu_KCCFLN05_t)action)->variable);
 510   xbt_free(action);
 511 }
 512
 513 static void action_cpu_KCCFLN05_change_state(surf_action_t action,
 514                                 e_surf_action_state_t state)
 515 {
 516   if((state==SURF_ACTION_DONE) || (state==SURF_ACTION_FAILED))
 517     if(((surf_action_cpu_KCCFLN05_t)action)->variable) {
 518       lmm_variable_free(maxmin_system, ((surf_action_cpu_KCCFLN05_t)action)->variable);
 519       ((surf_action_cpu_KCCFLN05_t)action)->variable = NULL;
 520     }
 521
 522   surf_action_change_state(action, state);
 523   return;
 524 }
 525
 526 /* #define WARNING(format, ...) (fprintf(stderr, "[%s , %s : %d] ", __FILE__, __FUNCTION__, __LINE__),\ */
 527 /*                               fprintf(stderr, format, ## __VA_ARGS__), \ */
 528 /*                               fprintf(stderr, "\n")) */
 529 /* #define VOIRP(expr) WARNING("  {" #expr " = %p }", expr) */
 530 /* #define VOIRD(expr) WARNING("  {" #expr " = %d }", expr) */
 531 /* #define VOIRG(expr) WARNING("  {" #expr " = %lg }", expr) */
 532
 533 static double share_cpu_KCCFLN05_resources(double now)
 534 {
 535   s_surf_action_cpu_KCCFLN05_t s_cpu_action;
 536   lmm_constraint_t cnst = NULL;
 537   workstation_KCCFLN05_t workstation = NULL;
 538   double W=0.0;
 539   double scale=0.0;
 540   int cpt;
 541   surf_action_network_KCCFLN05_t action;
 542
 543   for(cnst = lmm_get_first_active_constraint(maxmin_system_cpu_KCCFLN05);
 544       cnst;
 545       cnst= lmm_get_next_active_constraint(maxmin_system_cpu_KCCFLN05, cnst))
 546     {
 547       workstation = lmm_constraint_id(cnst);
 548       W=workstation->power_current * workstation->power_scale;
 549
 550       if((!xbt_dynar_length(workstation->incomming_communications)) &&
 551          (!xbt_dynar_length(workstation->outgoing_communications))) {
 552         scale = 1.0;
 553       } else if((!xbt_dynar_length(workstation->incomming_communications)) &&
 554                 (xbt_dynar_length(workstation->outgoing_communications))) {
 555         scale = workstation->interference_send;
 556         xbt_dynar_foreach (workstation->outgoing_communications,cpt,action) {
 557 /*        VOIRD(action->src->id); */
 558 /*        VOIRD(action->dst->id); */
 559 /*        VOIRP(&ROUTE(action->src->id,action->dst->id)); */
 560 /*        VOIRG(ROUTE(action->src->id,action->dst->id).impact_on_src); */
 561           scale -= ROUTE(action->src->id,action->dst->id).impact_on_src *
 562             lmm_variable_getvalue(action->variable);
 563         }
 564         if(scale<0.0) scale=0.0;
 565         xbt_assert0(scale>=0.0,"Negative interference !");
 566       } else if((xbt_dynar_length(workstation->incomming_communications)) &&
 567                 (!xbt_dynar_length(workstation->outgoing_communications))) {
 568         scale = workstation->interference_recv;
 569         xbt_dynar_foreach (workstation->incomming_communications,cpt,action) {
 570           scale -= ROUTE(action->src->id,action->dst->id).impact_on_dst *
 571             lmm_variable_getvalue(action->variable);
 572         }
 573         if(scale<0.0) scale=0.0;
 574         xbt_assert0(scale>=0.0,"Negative interference !");
 575       } else {
 576         scale = workstation->interference_send_recv;
 577         xbt_dynar_foreach (workstation->outgoing_communications,cpt,action) {
 578           scale -= ROUTE(action->src->id,action->dst->id).impact_on_src_with_other_recv *
 579             lmm_variable_getvalue(action->variable);
 580         }
 581         xbt_dynar_foreach (workstation->incomming_communications,cpt,action) {
 582           scale -= ROUTE(action->src->id,action->dst->id).impact_on_dst_with_other_send *
 583             lmm_variable_getvalue(action->variable);
 584         }
 585         if(scale<0.0) scale=0.1;
 586         xbt_assert0(scale>=0.0,"Negative interference !");
 587       }
 588       lmm_update_constraint_bound(maxmin_system_cpu_KCCFLN05,workstation->constraint,
 589                                   W*scale);
 590     }
 591
 592   return generic_maxmin_share_resources2(surf_cpu_resource->common_public->
 593                                          states.running_action_set,
 594                                          xbt_swag_offset(s_cpu_action, variable),
 595                                          maxmin_system_cpu_KCCFLN05);
 596 }
 597
 598 static void update_actions_cpu_KCCFLN05_state(double now, double delta)
 599 {
 600   surf_action_cpu_KCCFLN05_t action = NULL;
 601   surf_action_cpu_KCCFLN05_t next_action = NULL;
 602   xbt_swag_t running_actions =
 603       surf_cpu_resource->common_public->states.running_action_set;
 604   xbt_swag_t failed_actions =
 605       surf_cpu_resource->common_public->states.failed_action_set;
 606
 607   xbt_swag_foreach_safe(action, next_action, running_actions) {
 608     surf_double_update(&(action->generic_action.remains),
 609         lmm_variable_getvalue(action->variable) * delta);
 610     if (action->generic_action.max_duration != NO_MAX_DURATION)
 611       action->generic_action.max_duration -= delta;
 612     if ((action->generic_action.remains <= 0) &&
 613         (lmm_get_variable_weight(action->variable)>0)) {
 614       action->generic_action.finish = surf_get_clock();
 615       action_cpu_KCCFLN05_change_state((surf_action_t) action, SURF_ACTION_DONE);
 616     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
 617                (action->generic_action.max_duration <= 0)) {
 618       action->generic_action.finish = surf_get_clock();
 619       action_cpu_KCCFLN05_change_state((surf_action_t) action, SURF_ACTION_DONE);
 620     } else {                    /* Need to check that none of the resource has failed */
 621       lmm_constraint_t cnst = NULL;
 622       int i = 0;
 623       workstation_KCCFLN05_t cpu = NULL;
 624
 625       while ((cnst =
 626               lmm_get_cnst_from_var(maxmin_system_cpu_KCCFLN05, action->variable,
 627                                     i++))) {
 628         cpu = lmm_constraint_id(cnst);
 629         if (cpu->state_current == SURF_CPU_OFF) {
 630           action->generic_action.finish = surf_get_clock();
 631           action_cpu_KCCFLN05_change_state((surf_action_t) action, SURF_ACTION_FAILED);
 632           break;
 633         }
 634       }
 635     }
 636   }
 637
 638   xbt_swag_foreach_safe(action, next_action, failed_actions) {
 639     lmm_variable_disable(maxmin_system_cpu_KCCFLN05, action->variable);
 640   }
 641
 642   return;
 643 }
 644
 645 static surf_action_t execute_KCCFLN05(void *cpu, double size)
 646 {
 647   surf_action_cpu_KCCFLN05_t action = NULL;
 648   workstation_KCCFLN05_t CPU = cpu;
 649
 650   action = xbt_new0(s_surf_action_cpu_KCCFLN05_t, 1);
 651
 652   action->generic_action.cost = size;
 653   action->generic_action.remains = size;
 654   action->generic_action.max_duration = NO_MAX_DURATION;
 655   action->generic_action.start = surf_get_clock();
 656   action->generic_action.finish = -1.0;
 657   action->generic_action.resource_type =
 658       (surf_resource_t) surf_cpu_resource;
 659
 660   if (CPU->state_current == SURF_CPU_ON)
 661     action->generic_action.state_set =
 662         surf_cpu_resource->common_public->states.running_action_set;
 663   else
 664     action->generic_action.state_set =
 665         surf_cpu_resource->common_public->states.failed_action_set;
 666   xbt_swag_insert(action, action->generic_action.state_set);
 667
 668   action->variable = lmm_variable_new(maxmin_system_cpu_KCCFLN05, action, 1.0, -1.0, 1);
 669   lmm_expand(maxmin_system_cpu_KCCFLN05, CPU->constraint, action->variable,
 670              1.0);
 671
 672   return (surf_action_t) action;
 673 }
 674
 675 static void cpu_KCCFLN05_action_suspend(surf_action_t action)
 676 {
 677   lmm_update_variable_weight(maxmin_system_cpu_KCCFLN05,
 678                              ((surf_action_cpu_KCCFLN05_t) action)->variable, 0.0);
 679 }
 680
 681 static void cpu_KCCFLN05_action_resume(surf_action_t action)
 682 {
 683   lmm_update_variable_weight(maxmin_system_cpu_KCCFLN05,
 684                              ((surf_action_cpu_KCCFLN05_t) action)->variable, 1.0);
 685 }
 686
 687 static int cpu_KCCFLN05_action_is_suspended(surf_action_t action)
 688 {
 689   return (lmm_get_variable_weight(((surf_action_cpu_KCCFLN05_t) action)->variable) == 0.0);
 690 }
 691
 692 /************* workstation ************/
 693 static void action_change_state(surf_action_t action,
 694                                 e_surf_action_state_t state)
 695 {
 696   if(action->resource_type==(surf_resource_t)surf_network_resource)
 697     surf_network_resource->common_public->action_change_state(action,state);
 698   else if(action->resource_type==(surf_resource_t)surf_cpu_resource)
 699     surf_cpu_resource->common_public->action_change_state(action,state);
 700   else DIE_IMPOSSIBLE;
 701   return;
 702 }
 703
 704 static void action_free(surf_action_t action)
 705 {
 706   if(action->resource_type==(surf_resource_t)surf_network_resource)
 707     surf_network_resource->common_public->action_free(action);
 708   else if(action->resource_type==(surf_resource_t)surf_cpu_resource)
 709     surf_cpu_resource->common_public->action_free(action);
 710   else DIE_IMPOSSIBLE;
 711   return;
 712 }
 713
 714 static int resource_used(void *resource_id)
 715 {
 716   xbt_assert0(0, "Workstation is a virtual resource. I should not be there!");
 717   return 0;
 718 }
 719
 720 static double share_resources(double now)
 721 {
 722   return -1.0;
 723 }
 724
 725 static void update_actions_state(double now, double delta)
 726 {
 727   return;
 728 }
 729
 730 static void update_resource_state(void *id,
 731                                   tmgr_trace_event_t event_type,
 732                                   double value)
 733 {
 734   xbt_assert0(0, "Workstation is a virtual resource. I should not be there!");
 735   return;
 736 }
 737
 738 static void action_suspend(surf_action_t action)
 739 {
 740   if(action->resource_type==(surf_resource_t)surf_network_resource)
 741     surf_network_resource->common_public->suspend(action);
 742   else if(action->resource_type==(surf_resource_t)surf_cpu_resource)
 743     surf_cpu_resource->common_public->suspend(action);
 744   else DIE_IMPOSSIBLE;
 745 }
 746
 747 static void action_resume(surf_action_t action)
 748 {
 749   if(action->resource_type==(surf_resource_t)surf_network_resource)
 750     surf_network_resource->common_public->resume(action);
 751   else if(action->resource_type==(surf_resource_t)surf_cpu_resource)
 752     surf_cpu_resource->common_public->resume(action);
 753   else DIE_IMPOSSIBLE;
 754 }
 755
 756 static int action_is_suspended(surf_action_t action)
 757 {
 758   if(action->resource_type==(surf_resource_t)surf_network_resource)
 759     return surf_network_resource->common_public->is_suspended(action);
 760   if(action->resource_type==(surf_resource_t)surf_cpu_resource)
 761     return surf_cpu_resource->common_public->is_suspended(action);
 762   DIE_IMPOSSIBLE;
 763 }
 764
 765 /**************************************/
 766 /********* Module  creation ***********/
 767 /**************************************/
 768 static void cpu_KCCFLN05_finalize(void)
 769 {
 770   xbt_dict_free(&workstation_set);
 771   xbt_swag_free(surf_cpu_resource->common_public->states.ready_action_set);
 772   xbt_swag_free(surf_cpu_resource->common_public->states.
 773                 running_action_set);
 774   xbt_swag_free(surf_cpu_resource->common_public->states.
 775                 failed_action_set);
 776   xbt_swag_free(surf_cpu_resource->common_public->states.done_action_set);
 777   xbt_free(surf_cpu_resource->common_public);
 778   xbt_free(surf_cpu_resource->common_private);
 779   xbt_free(surf_cpu_resource->extension_public);
 780
 781   xbt_free(surf_cpu_resource);
 782   surf_cpu_resource = NULL;
 783
 784   if (maxmin_system_cpu_KCCFLN05) {
 785     lmm_system_free(maxmin_system_cpu_KCCFLN05);
 786     maxmin_system_cpu_KCCFLN05 = NULL;
 787   }
 788 }
 789
 790 static void cpu_KCCFLN05_resource_init_internal(void)
 791 {
 792   s_surf_action_t action;
 793
 794   surf_cpu_resource = xbt_new0(s_surf_cpu_resource_t, 1);
 795
 796   surf_cpu_resource->common_private =
 797       xbt_new0(s_surf_resource_private_t, 1);
 798   surf_cpu_resource->common_public =
 799     xbt_new0(s_surf_resource_public_t, 1);
 800
 801   surf_cpu_resource->extension_public =
 802       xbt_new0(s_surf_cpu_resource_extension_public_t, 1);
 803
 804   surf_cpu_resource->common_public->states.ready_action_set =
 805       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 806   surf_cpu_resource->common_public->states.running_action_set =
 807       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 808   surf_cpu_resource->common_public->states.failed_action_set =
 809       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 810   surf_cpu_resource->common_public->states.done_action_set =
 811       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 812
 813   surf_cpu_resource->common_public->name_service = name_service;
 814   surf_cpu_resource->common_public->get_resource_name = get_resource_name;
 815   surf_cpu_resource->common_public->action_get_state =
 816       surf_action_get_state;
 817   surf_cpu_resource->common_public->action_free = action_cpu_KCCFLN05_free;
 818   surf_cpu_resource->common_public->action_cancel = NULL;
 819   surf_cpu_resource->common_public->action_recycle = NULL;
 820   surf_cpu_resource->common_public->action_change_state = action_cpu_KCCFLN05_change_state;
 821   surf_cpu_resource->common_public->action_set_data = surf_action_set_data;
 822   surf_cpu_resource->common_public->name = "CPU KCCFLN05";
 823
 824   surf_cpu_resource->common_private->resource_used = cpu_used;
 825   surf_cpu_resource->common_private->share_resources = share_cpu_KCCFLN05_resources;
 826   surf_cpu_resource->common_private->update_actions_state =
 827     update_actions_cpu_KCCFLN05_state;
 828   surf_cpu_resource->common_private->update_resource_state =
 829       update_cpu_KCCFLN05_state;
 830   surf_cpu_resource->common_private->finalize = cpu_KCCFLN05_finalize;
 831
 832   surf_cpu_resource->extension_public->execute = execute_KCCFLN05;
 833 /*FIXME*//*   surf_cpu_resource->extension_public->sleep = action_sleep; */
 834
 835   surf_cpu_resource->common_public->suspend = cpu_KCCFLN05_action_suspend;
 836   surf_cpu_resource->common_public->resume = cpu_KCCFLN05_action_resume;
 837   surf_cpu_resource->common_public->is_suspended = cpu_KCCFLN05_action_is_suspended;
 838
 839   surf_cpu_resource->extension_public->get_state = get_state;
 840
 841   workstation_set = xbt_dict_new();
 842
 843   maxmin_system_cpu_KCCFLN05 = lmm_system_new();
 844 }
 845
 846 static void network_KCCFLN05_finalize(void)
 847 {
 848   int i,j;
 849
 850   xbt_dict_free(&network_link_set);
 851   xbt_swag_free(surf_network_resource->common_public->states.
 852                 ready_action_set);
 853   xbt_swag_free(surf_network_resource->common_public->states.
 854                 running_action_set);
 855   xbt_swag_free(surf_network_resource->common_public->states.
 856                 failed_action_set);
 857   xbt_swag_free(surf_network_resource->common_public->states.
 858                 done_action_set);
 859   xbt_free(surf_network_resource->common_public);
 860   xbt_free(surf_network_resource->common_private);
 861   xbt_free(surf_network_resource->extension_public);
 862
 863   xbt_free(surf_network_resource);
 864   surf_network_resource = NULL;
 865
 866   for (i = 0; i < nb_workstation; i++)
 867     for (j = 0; j < nb_workstation; j++)
 868       xbt_free(ROUTE(i,j).links);
 869   xbt_free(routing_table);
 870   routing_table = NULL;
 871   nb_workstation = 0;
 872
 873   if (maxmin_system_network_KCCFLN05) {
 874     lmm_system_free(maxmin_system_network_KCCFLN05);
 875     maxmin_system_network_KCCFLN05 = NULL;
 876   }
 877 }
 878
 879 static void network_KCCFLN05_resource_init_internal(void)
 880 {
 881   s_surf_action_t action;
 882
 883   surf_network_resource = xbt_new0(s_surf_network_resource_t, 1);
 884
 885   surf_network_resource->common_private =
 886       xbt_new0(s_surf_resource_private_t, 1);
 887   surf_network_resource->common_public =
 888       xbt_new0(s_surf_resource_public_t, 1);
 889   surf_network_resource->extension_public =
 890       xbt_new0(s_surf_network_resource_extension_public_t, 1);
 891
 892   surf_network_resource->common_public->states.ready_action_set =
 893       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 894   surf_network_resource->common_public->states.running_action_set =
 895       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 896   surf_network_resource->common_public->states.failed_action_set =
 897       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 898   surf_network_resource->common_public->states.done_action_set =
 899       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 900
 901   surf_network_resource->common_public->name_service = name_service;
 902   surf_network_resource->common_public->get_resource_name = get_resource_name;
 903   surf_network_resource->common_public->action_get_state =
 904       surf_action_get_state;
 905   surf_network_resource->common_public->action_free = action_network_KCCFLN05_free;
 906   surf_network_resource->common_public->action_cancel = NULL;
 907   surf_network_resource->common_public->action_recycle = NULL;
 908   surf_network_resource->common_public->action_change_state = action_network_KCCFLN05_change_state;
 909   surf_network_resource->common_public->action_set_data = surf_action_set_data;
 910   surf_network_resource->common_public->name = "network KCCFLN05";
 911
 912   surf_network_resource->common_private->resource_used = link_used;
 913   surf_network_resource->common_private->share_resources = share_network_KCCFLN05_resources;
 914   surf_network_resource->common_private->update_actions_state =
 915     update_actions_network_KCCFLN05_state;
 916   surf_network_resource->common_private->update_resource_state =
 917     update_network_KCCFLN05_state;
 918   surf_network_resource->common_private->finalize = network_KCCFLN05_finalize;
 919
 920   surf_network_resource->common_public->suspend = network_KCCFLN05_action_suspend;
 921   surf_network_resource->common_public->resume = network_KCCFLN05_action_resume;
 922   surf_network_resource->common_public->is_suspended = network_KCCFLN05_action_is_suspended;
 923
 924   surf_network_resource->extension_public->communicate = communicate_KCCFLN05;
 925
 926   network_link_set = xbt_dict_new();
 927
 928
 929   maxmin_system_network_KCCFLN05 = lmm_system_new();
 930 }
 931
 932 static void workstation_KCCFLN05_finalize(void)
 933 {
 934   xbt_swag_free(surf_workstation_resource->common_public->states.ready_action_set);
 935   xbt_swag_free(surf_workstation_resource->common_public->states.running_action_set);
 936   xbt_swag_free(surf_workstation_resource->common_public->states.failed_action_set);
 937   xbt_swag_free(surf_workstation_resource->common_public->states.done_action_set);
 938
 939   xbt_free(surf_workstation_resource->common_public);
 940   xbt_free(surf_workstation_resource->common_private);
 941   xbt_free(surf_workstation_resource->extension_public);
 942
 943   xbt_free(surf_workstation_resource);
 944   surf_workstation_resource = NULL;
 945 }
 946
 947 static void workstation_KCCFLN05_resource_init_internal(void)
 948 {
 949   s_surf_action_t action;
 950
 951   surf_workstation_resource = xbt_new0(s_surf_workstation_resource_t, 1);
 952
 953   surf_workstation_resource->common_private =
 954       xbt_new0(s_surf_resource_private_t, 1);
 955   surf_workstation_resource->common_public =
 956       xbt_new0(s_surf_resource_public_t, 1);
 957   surf_workstation_resource->extension_public =
 958       xbt_new0(s_surf_workstation_resource_extension_public_t, 1);
 959
 960   surf_workstation_resource->common_public->states.ready_action_set =
 961       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 962   surf_workstation_resource->common_public->states.running_action_set =
 963       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 964   surf_workstation_resource->common_public->states.failed_action_set =
 965       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 966   surf_workstation_resource->common_public->states.done_action_set =
 967       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 968
 969   surf_workstation_resource->common_public->name_service = name_service;
 970   surf_workstation_resource->common_public->get_resource_name =
 971       get_resource_name;
 972   surf_workstation_resource->common_public->action_get_state =
 973       surf_action_get_state;
 974   surf_workstation_resource->common_public->action_free = action_free;
 975   surf_workstation_resource->common_public->action_cancel = NULL;
 976   surf_workstation_resource->common_public->action_recycle = NULL;
 977   surf_workstation_resource->common_public->action_change_state = action_change_state;
 978   surf_workstation_resource->common_public->action_set_data = surf_action_set_data;
 979   surf_workstation_resource->common_public->name = "Workstation KCCFLN05";
 980
 981   surf_workstation_resource->common_private->resource_used = resource_used;
 982   surf_workstation_resource->common_private->share_resources = share_resources;
 983   surf_workstation_resource->common_private->update_actions_state = update_actions_state;
 984   surf_workstation_resource->common_private->update_resource_state = update_resource_state;
 985   surf_workstation_resource->common_private->finalize = workstation_KCCFLN05_finalize;
 986
 987
 988   surf_workstation_resource->common_public->suspend = action_suspend;
 989   surf_workstation_resource->common_public->resume = action_resume;
 990   surf_workstation_resource->common_public->is_suspended = action_is_suspended;
 991
 992   surf_workstation_resource->extension_public->execute = execute_KCCFLN05;
 993 /*FIXME*//*  surf_workstation_resource->extension_public->sleep = action_sleep; */
 994   surf_workstation_resource->extension_public->get_state = get_state;
 995   surf_workstation_resource->extension_public->communicate = communicate_KCCFLN05;
 996 }
 997
 998 /**************************************/
 999 /*************** Generic **************/
1000 /**************************************/
1001
1002 void surf_workstation_resource_init_KCCFLN05(const char *filename)
1003 {
1004   xbt_assert0(!surf_cpu_resource,"CPU resource type already defined");
1005   cpu_KCCFLN05_resource_init_internal();
1006   xbt_assert0(!surf_network_resource,"network resource type already defined");
1007   network_KCCFLN05_resource_init_internal();
1008   workstation_KCCFLN05_resource_init_internal();
1009   parse_file(filename);
1010
1011   xbt_dynar_push(resource_list, &surf_network_resource);
1012   xbt_dynar_push(resource_list, &surf_cpu_resource);
1013   xbt_dynar_push(resource_list, &surf_workstation_resource);
1014
1015   if (maxmin_system) { /* To avoid using this useless system */
1016     lmm_system_free(maxmin_system);
1017     maxmin_system = NULL;
1018   }
1019 }