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