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 == (surf_model_t) surf_workstation_model)
  93     return parallel_action_free(action);
  94   else
  95     DIE_IMPOSSIBLE;
  96   return 0;
  97 }
  98
  99 static void action_use(surf_action_t action)
 100 {
 101   if (action->model_type == (surf_model_t) surf_network_model)
 102     surf_network_model->common_public.action_use(action);
 103   else if (action->model_type == (surf_model_t) surf_cpu_model)
 104     surf_cpu_model->common_public.action_use(action);
 105   else if (action->model_type == (surf_model_t) surf_workstation_model)
 106     parallel_action_use(action);
 107   else
 108     DIE_IMPOSSIBLE;
 109   return;
 110 }
 111
 112 static void action_cancel(surf_action_t action)
 113 {
 114   if (action->model_type == (surf_model_t) surf_network_model)
 115     surf_network_model->common_public.action_cancel(action);
 116   else if (action->model_type == (surf_model_t) surf_cpu_model)
 117     surf_cpu_model->common_public.action_cancel(action);
 118   else if (action->model_type == (surf_model_t) surf_workstation_model)
 119     parallel_action_cancel(action);
 120   else
 121     DIE_IMPOSSIBLE;
 122   return;
 123 }
 124
 125 static void action_change_state(surf_action_t action,
 126                                 e_surf_action_state_t state)
 127 {
 128   if (action->model_type == (surf_model_t) surf_network_model)
 129     surf_network_model->common_public.action_change_state(action, state);
 130   else if (action->model_type == (surf_model_t) surf_cpu_model)
 131     surf_cpu_model->common_public.action_change_state(action, state);
 132   else if (action->model_type == (surf_model_t) surf_workstation_model)
 133     surf_action_change_state(action, state);
 134   else
 135     DIE_IMPOSSIBLE;
 136   return;
 137 }
 138
 139 static double share_resources(double now)
 140 {
 141   return -1.0;
 142 }
 143
 144 static void update_actions_state(double now, double delta)
 145 {
 146   return;
 147 }
 148
 149 static void update_resource_state(void *id,
 150                                   tmgr_trace_event_t event_type,
 151                                   double value, double date)
 152 {
 153   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
 154 }
 155
 156 static surf_action_t execute(void *workstation, double size)
 157 {
 158   return surf_cpu_model->
 159     extension_public->execute(((workstation_CLM03_t) workstation)->cpu, size);
 160 }
 161
 162 static surf_action_t action_sleep(void *workstation, double duration)
 163 {
 164   return surf_cpu_model->
 165     extension_public->sleep(((workstation_CLM03_t) workstation)->cpu,
 166                             duration);
 167 }
 168
 169 static void action_suspend(surf_action_t action)
 170 {
 171   if (action->model_type == (surf_model_t) surf_network_model)
 172     surf_network_model->common_public.suspend(action);
 173   else if (action->model_type == (surf_model_t) surf_cpu_model)
 174     surf_cpu_model->common_public.suspend(action);
 175   else
 176     DIE_IMPOSSIBLE;
 177 }
 178
 179 static void action_resume(surf_action_t action)
 180 {
 181   if (action->model_type == (surf_model_t) surf_network_model)
 182     surf_network_model->common_public.resume(action);
 183   else if (action->model_type == (surf_model_t) surf_cpu_model)
 184     surf_cpu_model->common_public.resume(action);
 185   else
 186     DIE_IMPOSSIBLE;
 187 }
 188
 189 static int action_is_suspended(surf_action_t action)
 190 {
 191   if (action->model_type == (surf_model_t) surf_network_model)
 192     return surf_network_model->common_public.is_suspended(action);
 193   if (action->model_type == (surf_model_t) surf_cpu_model)
 194     return surf_cpu_model->common_public.is_suspended(action);
 195   DIE_IMPOSSIBLE;
 196 }
 197
 198 static void action_set_max_duration(surf_action_t action, double duration)
 199 {
 200   if (action->model_type == (surf_model_t) surf_network_model)
 201     surf_network_model->common_public.set_max_duration(action, duration);
 202   else if (action->model_type == (surf_model_t) surf_cpu_model)
 203     surf_cpu_model->common_public.set_max_duration(action, duration);
 204   else
 205     DIE_IMPOSSIBLE;
 206 }
 207
 208 static void action_set_priority(surf_action_t action, double priority)
 209 {
 210   if (action->model_type == (surf_model_t) surf_network_model)
 211     surf_network_model->common_public.set_priority(action, priority);
 212   else if (action->model_type == (surf_model_t) surf_cpu_model)
 213     surf_cpu_model->common_public.set_priority(action, priority);
 214   else
 215     DIE_IMPOSSIBLE;
 216 }
 217
 218 static surf_action_t communicate(void *workstation_src,
 219                                  void *workstation_dst, double size,
 220                                  double rate)
 221 {
 222   return surf_network_model->
 223     extension_public->communicate(((workstation_CLM03_t) workstation_src)->
 224                                   network_card,
 225                                   ((workstation_CLM03_t) workstation_dst)->
 226                                   network_card, size, rate);
 227 }
 228
 229 static e_surf_cpu_state_t get_state(void *workstation)
 230 {
 231   return surf_cpu_model->
 232     extension_public->get_state(((workstation_CLM03_t) workstation)->cpu);
 233 }
 234
 235 static double get_speed(void *workstation, double load)
 236 {
 237   return surf_cpu_model->
 238     extension_public->get_speed(((workstation_CLM03_t) workstation)->cpu,
 239                                 load);
 240 }
 241
 242 static double get_available_speed(void *workstation)
 243 {
 244   return surf_cpu_model->
 245     extension_public->get_available_speed(((workstation_CLM03_t)
 246                                            workstation)->cpu);
 247 }
 248
 249 static xbt_dict_t get_properties(void *workstation)
 250 {
 251   return surf_cpu_model->
 252     common_public.get_properties(((workstation_CLM03_t) workstation)->cpu);
 253 }
 254
 255 static surf_action_t execute_parallel_task(int workstation_nb,
 256                                            void **workstation_list,
 257                                            double *computation_amount,
 258                                            double *communication_amount,
 259                                            double amount, double rate)
 260 {
 261   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
 262 }
 263
 264
 265 /* returns an array of network_link_CM02_t */
 266 static const void **get_route(void *src, void *dst)
 267 {
 268   workstation_CLM03_t workstation_src = (workstation_CLM03_t) src;
 269   workstation_CLM03_t workstation_dst = (workstation_CLM03_t) dst;
 270   return surf_network_model->extension_public->get_route(workstation_src->
 271                                                          network_card,
 272                                                          workstation_dst->
 273                                                          network_card);
 274 }
 275
 276 static int get_route_size(void *src, void *dst)
 277 {
 278   workstation_CLM03_t workstation_src = (workstation_CLM03_t) src;
 279   workstation_CLM03_t workstation_dst = (workstation_CLM03_t) dst;
 280   return surf_network_model->
 281     extension_public->get_route_size(workstation_src->network_card,
 282                                      workstation_dst->network_card);
 283 }
 284
 285 static const char *get_link_name(const void *link)
 286 {
 287   return surf_network_model->extension_public->get_link_name(link);
 288 }
 289
 290 static double get_link_bandwidth(const void *link)
 291 {
 292   return surf_network_model->extension_public->get_link_bandwidth(link);
 293 }
 294
 295 static double get_link_latency(const void *link)
 296 {
 297   return surf_network_model->extension_public->get_link_latency(link);
 298 }
 299
 300 static int link_shared(const void *link)
 301 {
 302   return surf_network_model->extension_public->get_link_latency(link);
 303 }
 304
 305 static void finalize(void)
 306 {
 307   xbt_dict_free(&workstation_set);
 308
 309   surf_model_exit((surf_model_t)surf_workstation_model);
 310
 311   free(surf_workstation_model->extension_public);
 312
 313   free(surf_workstation_model);
 314   surf_workstation_model = NULL;
 315 }
 316
 317 static void surf_workstation_model_init_internal(void)
 318 {
 319   surf_workstation_model = xbt_new0(s_surf_workstation_model_t, 1);
 320
 321   surf_model_init((surf_model_t)surf_workstation_model);
 322 /*   surf_workstation_model->extension_private = xbt_new0(s_surf_workstation_model_extension_private_t,1); */
 323   surf_workstation_model->extension_public =
 324     xbt_new0(s_surf_workstation_model_extension_public_t, 1);
 325
 326   surf_workstation_model->common_public.name_service = name_service;
 327   surf_workstation_model->common_public.get_resource_name =
 328     get_resource_name;
 329   surf_workstation_model->common_public.action_get_state =
 330     surf_action_get_state;
 331   surf_workstation_model->common_public.action_get_start_time =
 332     surf_action_get_start_time;
 333   surf_workstation_model->common_public.action_get_finish_time =
 334     surf_action_get_finish_time;
 335   surf_workstation_model->common_public.action_free = action_free;
 336   surf_workstation_model->common_public.action_use = action_use;
 337   surf_workstation_model->common_public.action_cancel = action_cancel;
 338   surf_workstation_model->common_public.action_change_state =
 339     action_change_state;
 340   surf_workstation_model->common_public.action_set_data =
 341     surf_action_set_data;
 342   surf_workstation_model->common_public.name = "Workstation";
 343
 344   surf_workstation_model->common_private->resource_used = resource_used;
 345   surf_workstation_model->common_private->share_resources = share_resources;
 346   surf_workstation_model->common_private->update_actions_state =
 347     update_actions_state;
 348   surf_workstation_model->common_private->update_resource_state =
 349     update_resource_state;
 350   surf_workstation_model->common_private->finalize = finalize;
 351
 352   surf_workstation_model->common_public.suspend = action_suspend;
 353   surf_workstation_model->common_public.resume = action_resume;
 354   surf_workstation_model->common_public.is_suspended = action_is_suspended;
 355   surf_workstation_model->common_public.set_max_duration =
 356     action_set_max_duration;
 357   surf_workstation_model->common_public.set_priority = action_set_priority;
 358
 359   surf_workstation_model->extension_public->execute = execute;
 360   surf_workstation_model->extension_public->sleep = action_sleep;
 361   surf_workstation_model->extension_public->get_state = get_state;
 362   surf_workstation_model->extension_public->get_speed = get_speed;
 363   surf_workstation_model->extension_public->get_available_speed =
 364     get_available_speed;
 365
 366   /*manage the properties of the workstation */
 367   surf_workstation_model->common_public.get_properties = get_properties;
 368
 369   surf_workstation_model->extension_public->communicate = communicate;
 370   surf_workstation_model->extension_public->execute_parallel_task =
 371     execute_parallel_task;
 372   surf_workstation_model->extension_public->get_route = get_route;
 373   surf_workstation_model->extension_public->get_route_size = get_route_size;
 374   surf_workstation_model->extension_public->get_link_name = get_link_name;
 375   surf_workstation_model->extension_public->get_link_bandwidth =
 376     get_link_bandwidth;
 377   surf_workstation_model->extension_public->get_link_latency =
 378     get_link_latency;
 379   surf_workstation_model->extension_public->link_shared = link_shared;
 380
 381   workstation_set = xbt_dict_new();
 382 }
 383
 384 /********************************************************************/
 385 /* The model used in MSG and presented at CCGrid03                  */
 386 /********************************************************************/
 387 /* @InProceedings{Casanova.CLM_03, */
 388 /*   author = {Henri Casanova and Arnaud Legrand and Loris Marchal}, */
 389 /*   title = {Scheduling Distributed Applications: the SimGrid Simulation Framework}, */
 390 /*   booktitle = {Proceedings of the third IEEE International Symposium on Cluster Computing and the Grid (CCGrid'03)}, */
 391 /*   publisher = {"IEEE Computer Society Press"}, */
 392 /*   month = {may}, */
 393 /*   year = {2003} */
 394 /* } */
 395 void surf_workstation_model_init_CLM03(const char *filename)
 396 {
 397   surf_workstation_model_init_internal();
 398   surf_cpu_model_init_Cas01(filename);
 399   surf_network_model_init_CM02(filename);
 400   update_model_description(surf_workstation_model_description,
 401                            "CLM03", (surf_model_t) surf_workstation_model);
 402   xbt_dynar_push(model_list, &surf_workstation_model);
 403 }
 404
 405 void surf_workstation_model_init_compound(const char *filename)
 406 {
 407
 408   xbt_assert0(surf_cpu_model, "No CPU model defined yet!");
 409   xbt_assert0(surf_network_model, "No network model defined yet!");
 410   surf_workstation_model_init_internal();
 411
 412   update_model_description(surf_workstation_model_description,
 413                            "compound", (surf_model_t) surf_workstation_model);
 414
 415   xbt_dynar_push(model_list, &surf_workstation_model);
 416 }