src/surf/workstation.c

   1 /*      $Id$     */
   2
   3 /* Copyright (c) 2004 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 "portable.h"
  11 #include "workstation_private.h"
  12 #include "cpu_private.h"
  13 #include "network_common.h"
  14
  15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_workstation, surf,
  16                                 "Logging specific to the SURF workstation module");
  17
  18 surf_workstation_model_t surf_workstation_model = NULL;
  19 xbt_dict_t workstation_set = NULL;
  20
  21 static workstation_CLM03_t workstation_new(const char *name,
  22                                            void *cpu, void *card)
  23 {
  24   workstation_CLM03_t workstation = xbt_new0(s_workstation_CLM03_t, 1);
  25
  26   workstation->model = (surf_model_t) surf_workstation_model;
  27   workstation->name = xbt_strdup(name);
  28   workstation->cpu = cpu;
  29   workstation->network_card = card;
  30
  31   return workstation;
  32 }
  33
  34 static void workstation_free(void *workstation)
  35 {
  36   free(((workstation_CLM03_t) workstation)->name);
  37   free(workstation);
  38 }
  39
  40 void create_workstations(void)
  41 {
  42   xbt_dict_cursor_t cursor = NULL;
  43   char *name = NULL;
  44   void *cpu = NULL;
  45   void *nw_card = NULL;
  46
  47   xbt_dict_foreach(cpu_set, cursor, name, cpu) {
  48     nw_card = xbt_dict_get_or_null(network_card_set, name);
  49     xbt_assert1(nw_card, "No corresponding card found for %s", name);
  50
  51     xbt_dict_set(workstation_set, name,
  52                  workstation_new(name, cpu, nw_card), workstation_free);
  53   }
  54 }
  55
  56 static void *name_service(const char *name)
  57 {
  58   return xbt_dict_get_or_null(workstation_set, name);
  59 }
  60
  61 static const char *get_resource_name(void *resource_id)
  62 {
  63   return ((workstation_CLM03_t) resource_id)->name;
  64 }
  65
  66 static int resource_used(void *resource_id)
  67 {
  68   THROW_IMPOSSIBLE;  /* This model does not implement parallel tasks */
  69 }
  70
  71 static void parallel_action_cancel(surf_action_t action)
  72 {
  73   THROW_UNIMPLEMENTED;  /* This model does not implement parallel tasks */
  74 }
  75
  76 static int parallel_action_free(surf_action_t action)
  77 {
  78   THROW_UNIMPLEMENTED;  /* This model does not implement parallel tasks */
  79 }
  80
  81 static void parallel_action_use(surf_action_t action)
  82 {
  83   THROW_UNIMPLEMENTED;  /* This model does not implement parallel tasks */
  84 }
  85
  86 static int action_free(surf_action_t action)
  87 {
  88   if (action->model_type == (surf_model_t) surf_network_model)
  89     return surf_network_model->common_public->action_free(action);
  90   else if (action->model_type == (surf_model_t) surf_cpu_model)
  91     return surf_cpu_model->common_public->action_free(action);
  92   else if (action->model_type ==
  93            (surf_model_t) surf_workstation_model)
  94     return parallel_action_free(action);
  95   else
  96     DIE_IMPOSSIBLE;
  97   return 0;
  98 }
  99
 100 static void action_use(surf_action_t action)
 101 {
 102   if (action->model_type == (surf_model_t) surf_network_model)
 103     surf_network_model->common_public->action_use(action);
 104   else if (action->model_type == (surf_model_t) surf_cpu_model)
 105     surf_cpu_model->common_public->action_use(action);
 106   else if (action->model_type ==
 107            (surf_model_t) surf_workstation_model)
 108     parallel_action_use(action);
 109   else
 110     DIE_IMPOSSIBLE;
 111   return;
 112 }
 113
 114 static void action_cancel(surf_action_t action)
 115 {
 116   if (action->model_type == (surf_model_t) surf_network_model)
 117     surf_network_model->common_public->action_cancel(action);
 118   else if (action->model_type == (surf_model_t) surf_cpu_model)
 119     surf_cpu_model->common_public->action_cancel(action);
 120   else if (action->model_type ==
 121            (surf_model_t) surf_workstation_model)
 122     parallel_action_cancel(action);
 123   else
 124     DIE_IMPOSSIBLE;
 125   return;
 126 }
 127
 128 static void action_recycle(surf_action_t action)
 129 {
 130   DIE_IMPOSSIBLE;
 131   return;
 132 }
 133
 134 static void action_change_state(surf_action_t action,
 135                                 e_surf_action_state_t state)
 136 {
 137   if (action->model_type == (surf_model_t) surf_network_model)
 138     surf_network_model->common_public->action_change_state(action,
 139                                                               state);
 140   else if (action->model_type == (surf_model_t) surf_cpu_model)
 141     surf_cpu_model->common_public->action_change_state(action, state);
 142   else if (action->model_type ==
 143            (surf_model_t) surf_workstation_model)
 144     surf_action_change_state(action, state);
 145   else
 146     DIE_IMPOSSIBLE;
 147   return;
 148 }
 149
 150 static double share_resources(double now)
 151 {
 152   return -1.0;
 153 }
 154
 155 static void update_actions_state(double now, double delta)
 156 {
 157   return;
 158 }
 159
 160 static void update_resource_state(void *id,
 161                                   tmgr_trace_event_t event_type,
 162                                   double value, double date)
 163 {
 164   THROW_IMPOSSIBLE; /* This model does not implement parallel tasks */
 165 }
 166
 167 static surf_action_t execute(void *workstation, double size)
 168 {
 169   return surf_cpu_model->extension_public->
 170       execute(((workstation_CLM03_t) workstation)->cpu, size);
 171 }
 172
 173 static surf_action_t action_sleep(void *workstation, double duration)
 174 {
 175   return surf_cpu_model->extension_public->
 176       sleep(((workstation_CLM03_t) workstation)->cpu, duration);
 177 }
 178
 179 static void action_suspend(surf_action_t action)
 180 {
 181   if (action->model_type == (surf_model_t) surf_network_model)
 182     surf_network_model->common_public->suspend(action);
 183   else if (action->model_type == (surf_model_t) surf_cpu_model)
 184     surf_cpu_model->common_public->suspend(action);
 185   else
 186     DIE_IMPOSSIBLE;
 187 }
 188
 189 static void action_resume(surf_action_t action)
 190 {
 191   if (action->model_type == (surf_model_t) surf_network_model)
 192     surf_network_model->common_public->resume(action);
 193   else if (action->model_type == (surf_model_t) surf_cpu_model)
 194     surf_cpu_model->common_public->resume(action);
 195   else
 196     DIE_IMPOSSIBLE;
 197 }
 198
 199 static int action_is_suspended(surf_action_t action)
 200 {
 201   if (action->model_type == (surf_model_t) surf_network_model)
 202     return surf_network_model->common_public->is_suspended(action);
 203   if (action->model_type == (surf_model_t) surf_cpu_model)
 204     return surf_cpu_model->common_public->is_suspended(action);
 205   DIE_IMPOSSIBLE;
 206 }
 207
 208 static void action_set_max_duration(surf_action_t action, double duration)
 209 {
 210   if (action->model_type == (surf_model_t) surf_network_model)
 211     surf_network_model->common_public->set_max_duration(action,
 212                                                            duration);
 213   else if (action->model_type == (surf_model_t) surf_cpu_model)
 214     surf_cpu_model->common_public->set_max_duration(action, duration);
 215   else
 216     DIE_IMPOSSIBLE;
 217 }
 218
 219 static void action_set_priority(surf_action_t action, double priority)
 220 {
 221   if (action->model_type == (surf_model_t) surf_network_model)
 222     surf_network_model->common_public->set_priority(action, priority);
 223   else if (action->model_type == (surf_model_t) surf_cpu_model)
 224     surf_cpu_model->common_public->set_priority(action, priority);
 225   else
 226     DIE_IMPOSSIBLE;
 227 }
 228
 229 static surf_action_t communicate(void *workstation_src,
 230                                  void *workstation_dst, double size,
 231                                  double rate)
 232 {
 233   return surf_network_model->extension_public->
 234       communicate(((workstation_CLM03_t) workstation_src)->network_card,
 235                   ((workstation_CLM03_t) workstation_dst)->network_card,
 236                   size, rate);
 237 }
 238
 239 static e_surf_cpu_state_t get_state(void *workstation)
 240 {
 241   return surf_cpu_model->extension_public->
 242       get_state(((workstation_CLM03_t) workstation)->cpu);
 243 }
 244
 245 static double get_speed(void *workstation, double load)
 246 {
 247   return surf_cpu_model->extension_public->
 248       get_speed(((workstation_CLM03_t) workstation)->cpu, load);
 249 }
 250
 251 static double get_available_speed(void *workstation)
 252 {
 253   return surf_cpu_model->extension_public->
 254       get_available_speed(((workstation_CLM03_t) workstation)->cpu);
 255 }
 256
 257 static xbt_dict_t get_properties(void *workstation)
 258 {
 259   return surf_cpu_model->common_public->
 260       get_properties(((workstation_CLM03_t) workstation)->cpu);
 261 }
 262
 263 static surf_action_t execute_parallel_task(int workstation_nb,
 264                                            void **workstation_list,
 265                                            double *computation_amount,
 266                                            double *communication_amount,
 267                                            double amount,
 268                                            double rate)
 269 {
 270   THROW_UNIMPLEMENTED;  /* This model does not implement parallel tasks */
 271 }
 272
 273
 274 /* returns an array of network_link_CM02_t */
 275 static const void **get_route(void *src, void *dst)
 276 {
 277   workstation_CLM03_t workstation_src = (workstation_CLM03_t) src;
 278   workstation_CLM03_t workstation_dst = (workstation_CLM03_t) dst;
 279   return surf_network_model->extension_public->
 280       get_route(workstation_src->network_card,
 281                 workstation_dst->network_card);
 282 }
 283
 284 static int get_route_size(void *src, void *dst)
 285 {
 286   workstation_CLM03_t workstation_src = (workstation_CLM03_t) src;
 287   workstation_CLM03_t workstation_dst = (workstation_CLM03_t) dst;
 288   return surf_network_model->extension_public->
 289       get_route_size(workstation_src->network_card,
 290                      workstation_dst->network_card);
 291 }
 292
 293 static const char *get_link_name(const void *link)
 294 {
 295   return surf_network_model->extension_public->get_link_name(link);
 296 }
 297
 298 static double get_link_bandwidth(const void *link)
 299 {
 300   return surf_network_model->extension_public->get_link_bandwidth(link);
 301 }
 302
 303 static double get_link_latency(const void *link)
 304 {
 305   return surf_network_model->extension_public->get_link_latency(link);
 306 }
 307
 308 static int link_shared(const void *link)
 309 {
 310   return surf_network_model->extension_public->get_link_latency(link);
 311 }
 312
 313 static void finalize(void)
 314 {
 315   xbt_dict_free(&workstation_set);
 316   xbt_swag_free(surf_workstation_model->common_public->states.
 317                 ready_action_set);
 318   xbt_swag_free(surf_workstation_model->common_public->states.
 319                 running_action_set);
 320   xbt_swag_free(surf_workstation_model->common_public->states.
 321                 failed_action_set);
 322   xbt_swag_free(surf_workstation_model->common_public->states.
 323                 done_action_set);
 324
 325   free(surf_workstation_model->common_public);
 326   free(surf_workstation_model->common_private);
 327   free(surf_workstation_model->extension_public);
 328
 329   free(surf_workstation_model);
 330   surf_workstation_model = NULL;
 331 }
 332
 333 static void surf_workstation_model_init_internal(void)
 334 {
 335   s_surf_action_t action;
 336
 337   surf_workstation_model = xbt_new0(s_surf_workstation_model_t, 1);
 338
 339   surf_workstation_model->common_private =
 340       xbt_new0(s_surf_model_private_t, 1);
 341   surf_workstation_model->common_public =
 342       xbt_new0(s_surf_model_public_t, 1);
 343 /*   surf_workstation_model->extension_private = xbt_new0(s_surf_workstation_model_extension_private_t,1); */
 344   surf_workstation_model->extension_public =
 345       xbt_new0(s_surf_workstation_model_extension_public_t, 1);
 346
 347   surf_workstation_model->common_public->states.ready_action_set =
 348       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 349   surf_workstation_model->common_public->states.running_action_set =
 350       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 351   surf_workstation_model->common_public->states.failed_action_set =
 352       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 353   surf_workstation_model->common_public->states.done_action_set =
 354       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 355
 356   surf_workstation_model->common_public->name_service = name_service;
 357   surf_workstation_model->common_public->get_resource_name =
 358       get_resource_name;
 359   surf_workstation_model->common_public->action_get_state =
 360       surf_action_get_state;
 361   surf_workstation_model->common_public->action_get_start_time =
 362       surf_action_get_start_time;
 363   surf_workstation_model->common_public->action_get_finish_time =
 364       surf_action_get_finish_time;
 365   surf_workstation_model->common_public->action_free = action_free;
 366   surf_workstation_model->common_public->action_use = action_use;
 367   surf_workstation_model->common_public->action_cancel = action_cancel;
 368   surf_workstation_model->common_public->action_recycle =
 369       action_recycle;
 370   surf_workstation_model->common_public->action_change_state =
 371       action_change_state;
 372   surf_workstation_model->common_public->action_set_data =
 373       surf_action_set_data;
 374   surf_workstation_model->common_public->name = "Workstation";
 375
 376   surf_workstation_model->common_private->resource_used = resource_used;
 377   surf_workstation_model->common_private->share_resources =
 378       share_resources;
 379   surf_workstation_model->common_private->update_actions_state =
 380       update_actions_state;
 381   surf_workstation_model->common_private->update_resource_state =
 382       update_resource_state;
 383   surf_workstation_model->common_private->finalize = finalize;
 384
 385   surf_workstation_model->common_public->suspend = action_suspend;
 386   surf_workstation_model->common_public->resume = action_resume;
 387   surf_workstation_model->common_public->is_suspended =
 388       action_is_suspended;
 389   surf_workstation_model->common_public->set_max_duration =
 390       action_set_max_duration;
 391   surf_workstation_model->common_public->set_priority =
 392       action_set_priority;
 393
 394   surf_workstation_model->extension_public->execute = execute;
 395   surf_workstation_model->extension_public->sleep = action_sleep;
 396   surf_workstation_model->extension_public->get_state = get_state;
 397   surf_workstation_model->extension_public->get_speed = get_speed;
 398   surf_workstation_model->extension_public->get_available_speed =
 399       get_available_speed;
 400
 401   /*manage the properties of the workstation*/
 402   surf_workstation_model->common_public->get_properties = get_properties;
 403
 404   surf_workstation_model->extension_public->communicate = communicate;
 405   surf_workstation_model->extension_public->execute_parallel_task =
 406       execute_parallel_task;
 407   surf_workstation_model->extension_public->get_route = get_route;
 408   surf_workstation_model->extension_public->get_route_size =
 409       get_route_size;
 410   surf_workstation_model->extension_public->get_link_name =
 411       get_link_name;
 412   surf_workstation_model->extension_public->get_link_bandwidth =
 413       get_link_bandwidth;
 414   surf_workstation_model->extension_public->get_link_latency =
 415       get_link_latency;
 416   surf_workstation_model->extension_public->link_shared =
 417       link_shared;
 418
 419   workstation_set = xbt_dict_new();
 420 }
 421
 422 /********************************************************************/
 423 /* The model used in MSG and presented at CCGrid03                  */
 424 /********************************************************************/
 425 /* @InProceedings{Casanova.CLM_03, */
 426 /*   author = {Henri Casanova and Arnaud Legrand and Loris Marchal}, */
 427 /*   title = {Scheduling Distributed Applications: the SimGrid Simulation Framework}, */
 428 /*   booktitle = {Proceedings of the third IEEE International Symposium on Cluster Computing and the Grid (CCGrid'03)}, */
 429 /*   publisher = {"IEEE Computer Society Press"}, */
 430 /*   month = {may}, */
 431 /*   year = {2003} */
 432 /* } */
 433 void surf_workstation_model_init_CLM03(const char *filename)
 434 {
 435   surf_workstation_model_init_internal();
 436   surf_cpu_model_init_Cas01(filename);
 437   surf_network_model_init_CM02(filename);
 438   update_model_description(surf_workstation_model_description,
 439                            "CLM03",
 440                            (surf_model_t) surf_workstation_model);
 441   xbt_dynar_push(model_list, &surf_workstation_model);
 442 }
 443
 444 void surf_workstation_model_init_compound(const char *filename)
 445 {
 446
 447   xbt_assert0(surf_cpu_model, "No CPU model defined yet!");
 448   xbt_assert0(surf_network_model, "No network model defined yet!");
 449   surf_workstation_model_init_internal();
 450
 451   update_model_description(surf_workstation_model_description,
 452                            "compound",
 453                            (surf_model_t) surf_workstation_model);
 454
 455   xbt_dynar_push(model_list, &surf_workstation_model);
 456 }