src/surf/workstation.c

   1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
   2  * All rights reserved.                                                     */
   3
   4 /* This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the license (GNU LGPL) which comes with this package. */
   6
   7 #include "xbt/ex.h"
   8 #include "xbt/dict.h"
   9 #include "portable.h"
  10 #include "surf_private.h"
  11 #include "surf/surf_resource.h"
  12
  13 typedef struct workstation_CLM03 {
  14   s_surf_resource_t generic_resource;   /* Must remain first to add this to a trace */
  15   void *cpu;
  16   xbt_dynar_t storage;
  17 } s_workstation_CLM03_t, *workstation_CLM03_t;
  18
  19 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_workstation, surf,
  20                                 "Logging specific to the SURF workstation module");
  21
  22 surf_model_t surf_workstation_model = NULL;
  23
  24 static void workstation_new(sg_platf_host_cbarg_t host)
  25 {
  26   workstation_CLM03_t workstation = xbt_new0(s_workstation_CLM03_t, 1);
  27
  28   workstation->generic_resource.model = surf_workstation_model;
  29   workstation->generic_resource.name = xbt_strdup(host->id);
  30   workstation->cpu = xbt_lib_get_or_null(host_lib, host->id, SURF_CPU_LEVEL);
  31   workstation->storage = NULL;
  32
  33   xbt_lib_set(host_lib, host->id, SURF_WKS_LEVEL, workstation);
  34 }
  35
  36 static int ws_resource_used(void *resource_id)
  37 {
  38   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
  39   return -1;
  40 }
  41
  42 static void ws_parallel_action_cancel(surf_action_t action)
  43 {
  44   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
  45 }
  46
  47 static int ws_parallel_action_free(surf_action_t action)
  48 {
  49   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
  50   return -1;
  51 }
  52
  53 static int ws_action_unref(surf_action_t action)
  54 {
  55   if (action->model_type == surf_network_model)
  56     return surf_network_model->action_unref(action);
  57   else if (action->model_type == surf_cpu_model)
  58     return surf_cpu_model->action_unref(action);
  59   else if (action->model_type == surf_workstation_model)
  60     return ws_parallel_action_free(action);
  61   else
  62     DIE_IMPOSSIBLE;
  63   return 0;
  64 }
  65
  66 static void ws_action_cancel(surf_action_t action)
  67 {
  68   if (action->model_type == surf_network_model)
  69     surf_network_model->action_cancel(action);
  70   else if (action->model_type == surf_cpu_model)
  71     surf_cpu_model->action_cancel(action);
  72   else if (action->model_type == surf_workstation_model)
  73     ws_parallel_action_cancel(action);
  74   else
  75     DIE_IMPOSSIBLE;
  76   return;
  77 }
  78
  79 static void ws_action_state_set(surf_action_t action,
  80                                 e_surf_action_state_t state)
  81 {
  82   if (action->model_type == surf_network_model)
  83     surf_network_model->action_state_set(action, state);
  84   else if (action->model_type == surf_cpu_model)
  85     surf_cpu_model->action_state_set(action, state);
  86   else if (action->model_type == surf_workstation_model)
  87     surf_action_state_set(action, state);
  88   else
  89     DIE_IMPOSSIBLE;
  90   return;
  91 }
  92
  93 static double ws_share_resources(double now)
  94 {
  95   return -1.0;
  96 }
  97
  98 static void ws_update_actions_state(double now, double delta)
  99 {
 100   return;
 101 }
 102
 103 static void ws_update_resource_state(void *id,
 104                                      tmgr_trace_event_t event_type,
 105                                      double value, double date)
 106 {
 107   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
 108 }
 109
 110 static surf_action_t ws_execute(void *workstation, double size)
 111 {
 112   void *cpu = ((workstation_CLM03_t) workstation)->cpu;
 113   return ((surf_resource_t) cpu)->model->extension.cpu.execute(cpu, size);
 114 }
 115
 116 static surf_action_t ws_action_sleep(void *workstation, double duration)
 117 {
 118   return surf_cpu_model->extension.cpu.
 119       sleep(((workstation_CLM03_t) workstation)->cpu, duration);
 120 }
 121
 122 static void ws_action_suspend(surf_action_t action)
 123 {
 124   if (action->model_type == surf_network_model)
 125     surf_network_model->suspend(action);
 126   else if (action->model_type == surf_cpu_model)
 127     surf_cpu_model->suspend(action);
 128   else
 129     DIE_IMPOSSIBLE;
 130 }
 131
 132 static void ws_action_resume(surf_action_t action)
 133 {
 134   if (action->model_type == surf_network_model)
 135     surf_network_model->resume(action);
 136   else if (action->model_type == surf_cpu_model)
 137     surf_cpu_model->resume(action);
 138   else
 139     DIE_IMPOSSIBLE;
 140 }
 141
 142 static int ws_action_is_suspended(surf_action_t action)
 143 {
 144   if (action->model_type == surf_network_model)
 145     return surf_network_model->is_suspended(action);
 146   if (action->model_type == surf_cpu_model)
 147     return surf_cpu_model->is_suspended(action);
 148   DIE_IMPOSSIBLE;
 149   return -1;
 150 }
 151
 152 static void ws_action_set_max_duration(surf_action_t action,
 153                                        double duration)
 154 {
 155   if (action->model_type == surf_network_model)
 156     surf_network_model->set_max_duration(action, duration);
 157   else if (action->model_type == surf_cpu_model)
 158     surf_cpu_model->set_max_duration(action, duration);
 159   else
 160     DIE_IMPOSSIBLE;
 161 }
 162
 163 static void ws_action_set_priority(surf_action_t action, double priority)
 164 {
 165   if (action->model_type == surf_network_model)
 166     surf_network_model->set_priority(action, priority);
 167   else if (action->model_type == surf_cpu_model)
 168     surf_cpu_model->set_priority(action, priority);
 169   else
 170     DIE_IMPOSSIBLE;
 171 }
 172
 173 #ifdef HAVE_TRACING
 174 static void ws_action_set_category(surf_action_t action, const char *category)
 175 {
 176   if (action->model_type == surf_network_model)
 177     surf_network_model->set_category(action, category);
 178   else if (action->model_type == surf_cpu_model)
 179     surf_cpu_model->set_category(action, category);
 180   else
 181     DIE_IMPOSSIBLE;
 182 }
 183 #endif
 184
 185 #ifdef HAVE_LATENCY_BOUND_TRACKING
 186 static int ws_get_latency_limited(surf_action_t action)
 187 {
 188   if (action->model_type == surf_network_model)
 189     return surf_network_model->get_latency_limited(action);
 190   else
 191     return 0;
 192 }
 193 #endif
 194
 195 static double ws_action_get_remains(surf_action_t action)
 196 {
 197   if (action->model_type == surf_network_model)
 198     return surf_network_model->get_remains(action);
 199   if (action->model_type == surf_cpu_model)
 200     return surf_cpu_model->get_remains(action);
 201   DIE_IMPOSSIBLE;
 202   return -1.0;
 203 }
 204
 205 static surf_action_t ws_communicate(void *workstation_src,
 206                                     void *workstation_dst, double size,
 207                                     double rate)
 208 {
 209   workstation_CLM03_t src = (workstation_CLM03_t) workstation_src;
 210   workstation_CLM03_t dst = (workstation_CLM03_t) workstation_dst;
 211   return surf_network_model->extension.network.
 212       communicate(surf_resource_name(src->cpu),
 213                   surf_resource_name(dst->cpu), size, rate);
 214 }
 215
 216 static e_surf_resource_state_t ws_get_state(void *workstation)
 217 {
 218   return surf_cpu_model->extension.cpu.
 219       get_state(((workstation_CLM03_t) workstation)->cpu);
 220 }
 221
 222 static double ws_get_speed(void *workstation, double load)
 223 {
 224   return surf_cpu_model->extension.cpu.
 225       get_speed(((workstation_CLM03_t) workstation)->cpu, load);
 226 }
 227
 228 static double ws_get_available_speed(void *workstation)
 229 {
 230   return surf_cpu_model->extension.cpu.
 231       get_available_speed(((workstation_CLM03_t)
 232                            workstation)->cpu);
 233 }
 234
 235 static surf_action_t ws_execute_parallel_task(int workstation_nb,
 236                                               void **workstation_list,
 237                                               double *computation_amount,
 238                                               double *communication_amount,
 239                                               double amount, double rate)
 240 {
 241   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
 242   return NULL;
 243 }
 244
 245
 246 /* returns an array of network_link_CM02_t */
 247 static xbt_dynar_t ws_get_route(void *src, void *dst)
 248 {
 249   return surf_network_model->extension.
 250       network.get_route(surf_resource_name(src), surf_resource_name(dst));
 251 }
 252
 253 static double ws_get_link_bandwidth(const void *link)
 254 {
 255   return surf_network_model->extension.network.get_link_bandwidth(link);
 256 }
 257
 258 static double ws_get_link_latency(const void *link)
 259 {
 260   return surf_network_model->extension.network.get_link_latency(link);
 261 }
 262
 263 static int ws_link_shared(const void *link)
 264 {
 265   return surf_network_model->extension.network.link_shared(link);
 266 }
 267
 268 static void ws_finalize(void)
 269 {
 270   surf_model_exit(surf_workstation_model);
 271   surf_workstation_model = NULL;
 272 }
 273
 274 static xbt_dict_t ws_get_properties(const void *ws)
 275 {
 276   return surf_resource_properties(((workstation_CLM03_t) ws)->cpu);
 277 }
 278
 279 static surf_action_t ws_action_open(void *workstation, const char* path, const char* mode)
 280 {
 281   void *storage = ((workstation_CLM03_t) workstation)->storage;
 282   return ((surf_resource_t) storage)->model->extension.storage.open(storage, path, mode);
 283 }
 284
 285 static surf_action_t ws_action_close(void *workstation, surf_file_t fp)
 286 {
 287   void *storage = ((workstation_CLM03_t) workstation)->storage;
 288   return ((surf_resource_t) storage)->model->extension.storage.close(storage, fp);
 289 }
 290
 291 static surf_action_t ws_action_read(void *workstation, void* ptr, size_t size, size_t nmemb, surf_file_t stream)
 292 {
 293   void *storage = ((workstation_CLM03_t) workstation)->storage;
 294   return ((surf_resource_t) storage)->model->extension.storage.read(storage, ptr, size, nmemb, stream);
 295 }
 296
 297 static surf_action_t ws_action_write(void *workstation, const void* ptr, size_t size, size_t nmemb, surf_file_t stream)
 298 {
 299   void *storage = ((workstation_CLM03_t) workstation)->storage;
 300   return ((surf_resource_t) storage)->model->extension.storage.write(storage, ptr, size, nmemb, stream);
 301 }
 302
 303 static surf_action_t ws_action_stat(void *workstation, int fd, void* buf)
 304 {
 305   void *storage = ((workstation_CLM03_t) workstation)->storage;
 306   return ((surf_resource_t) storage)->model->extension.storage.stat(storage, fd, buf);
 307 }
 308
 309 static void surf_workstation_model_init_internal(void)
 310 {
 311   surf_workstation_model = surf_model_init();
 312
 313   surf_workstation_model->name = "Workstation";
 314   surf_workstation_model->action_unref = ws_action_unref;
 315   surf_workstation_model->action_cancel = ws_action_cancel;
 316   surf_workstation_model->action_state_set = ws_action_state_set;
 317
 318   surf_workstation_model->model_private->resource_used = ws_resource_used;
 319   surf_workstation_model->model_private->share_resources =
 320       ws_share_resources;
 321   surf_workstation_model->model_private->update_actions_state =
 322       ws_update_actions_state;
 323   surf_workstation_model->model_private->update_resource_state =
 324       ws_update_resource_state;
 325   surf_workstation_model->model_private->finalize = ws_finalize;
 326
 327   surf_workstation_model->suspend = ws_action_suspend;
 328   surf_workstation_model->resume = ws_action_resume;
 329   surf_workstation_model->is_suspended = ws_action_is_suspended;
 330   surf_workstation_model->set_max_duration = ws_action_set_max_duration;
 331   surf_workstation_model->set_priority = ws_action_set_priority;
 332 #ifdef HAVE_TRACING
 333   surf_workstation_model->set_category = ws_action_set_category;
 334 #endif
 335   surf_workstation_model->get_remains = ws_action_get_remains;
 336 #ifdef HAVE_LATENCY_BOUND_TRACKING
 337   surf_workstation_model->get_latency_limited = ws_get_latency_limited;
 338 #endif
 339
 340   surf_workstation_model->extension.workstation.execute = ws_execute;
 341   surf_workstation_model->extension.workstation.sleep = ws_action_sleep;
 342   surf_workstation_model->extension.workstation.get_state = ws_get_state;
 343   surf_workstation_model->extension.workstation.get_speed = ws_get_speed;
 344   surf_workstation_model->extension.workstation.get_available_speed =
 345       ws_get_available_speed;
 346
 347   surf_workstation_model->extension.workstation.communicate =
 348       ws_communicate;
 349   surf_workstation_model->extension.workstation.get_route = ws_get_route;
 350   surf_workstation_model->extension.workstation.execute_parallel_task =
 351       ws_execute_parallel_task;
 352   surf_workstation_model->extension.workstation.get_link_bandwidth =
 353       ws_get_link_bandwidth;
 354   surf_workstation_model->extension.workstation.get_link_latency =
 355       ws_get_link_latency;
 356   surf_workstation_model->extension.workstation.link_shared =
 357       ws_link_shared;
 358   surf_workstation_model->extension.workstation.get_properties =
 359       ws_get_properties;
 360
 361   surf_workstation_model->extension.workstation.open = ws_action_open;
 362   surf_workstation_model->extension.workstation.close = ws_action_close;
 363   surf_workstation_model->extension.workstation.read = ws_action_read;
 364   surf_workstation_model->extension.workstation.write = ws_action_write;
 365   surf_workstation_model->extension.workstation.stat = ws_action_stat;
 366 }
 367
 368 void surf_workstation_model_init_current_default(void)
 369 {
 370   surf_workstation_model_init_internal();
 371   xbt_cfg_setdefault_int(_surf_cfg_set, "network/crosstraffic", 1);
 372   surf_cpu_model_init_Cas01();
 373   surf_network_model_init_LegrandVelho();
 374
 375   xbt_dynar_push(model_list, &surf_workstation_model);
 376   sg_platf_host_add_cb(workstation_new);
 377 //  sg_platf_postparse_add_cb(create_workstations);
 378 }
 379
 380 void surf_workstation_model_init_compound()
 381 {
 382
 383   xbt_assert(surf_cpu_model, "No CPU model defined yet!");
 384   xbt_assert(surf_network_model, "No network model defined yet!");
 385   surf_workstation_model_init_internal();
 386   xbt_dynar_push(model_list, &surf_workstation_model);
 387   sg_platf_host_add_cb(workstation_new);
 388 //  sg_platf_postparse_add_cb(create_workstations);
 389 }