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
  12 typedef struct workstation_CLM03 {
  13   s_surf_resource_t generic_resource;   /* Must remain first to add this to a trace */
  14   void *cpu;
  15   int id;
  16 } s_workstation_CLM03_t, *workstation_CLM03_t;
  17
  18 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_workstation, surf,
  19                                 "Logging specific to the SURF workstation module");
  20
  21 surf_model_t surf_workstation_model = NULL;
  22
  23 static workstation_CLM03_t workstation_new(const char *name,
  24                                            void *cpu, int id)
  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(name);
  30   workstation->cpu = cpu;
  31   workstation->id = id;
  32
  33   xbt_dict_set(surf_model_resource_set(surf_workstation_model), name,
  34                workstation, surf_resource_free);
  35
  36   return workstation;
  37 }
  38
  39 void create_workstations(void)
  40 {
  41   xbt_dict_cursor_t cursor = NULL;
  42   char *name = NULL;
  43   void *cpu = NULL;
  44
  45   xbt_dict_foreach(surf_model_resource_set(surf_cpu_model), cursor, name, cpu) {
  46     int *id = NULL;
  47     if (used_routing && used_routing->host_id)
  48       id = xbt_dict_get_or_null(used_routing->host_id,name);
  49
  50     workstation_new(name, cpu, id ? *id : 0);
  51   }
  52 }
  53
  54 static int ws_resource_used(void *resource_id)
  55 {
  56   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
  57 }
  58
  59 static void ws_parallel_action_cancel(surf_action_t action)
  60 {
  61   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
  62 }
  63
  64 static int ws_parallel_action_free(surf_action_t action)
  65 {
  66   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
  67 }
  68
  69 static int ws_action_unref(surf_action_t action)
  70 {
  71   if (action->model_type == surf_network_model)
  72     return surf_network_model->action_unref(action);
  73   else if (action->model_type == surf_cpu_model)
  74     return surf_cpu_model->action_unref(action);
  75   else if (action->model_type == surf_workstation_model)
  76     return ws_parallel_action_free(action);
  77   else
  78     DIE_IMPOSSIBLE;
  79   return 0;
  80 }
  81
  82 static void ws_action_cancel(surf_action_t action)
  83 {
  84   if (action->model_type == surf_network_model)
  85     surf_network_model->action_cancel(action);
  86   else if (action->model_type == surf_cpu_model)
  87     surf_cpu_model->action_cancel(action);
  88   else if (action->model_type == surf_workstation_model)
  89     ws_parallel_action_cancel(action);
  90   else
  91     DIE_IMPOSSIBLE;
  92   return;
  93 }
  94
  95 static void ws_action_state_set(surf_action_t action,
  96                                 e_surf_action_state_t state)
  97 {
  98   if (action->model_type == surf_network_model)
  99     surf_network_model->action_state_set(action, state);
 100   else if (action->model_type == surf_cpu_model)
 101     surf_cpu_model->action_state_set(action, state);
 102   else if (action->model_type == surf_workstation_model)
 103     surf_action_state_set(action, state);
 104   else
 105     DIE_IMPOSSIBLE;
 106   return;
 107 }
 108
 109 static double ws_share_resources(double now)
 110 {
 111   return -1.0;
 112 }
 113
 114 static void ws_update_actions_state(double now, double delta)
 115 {
 116   return;
 117 }
 118
 119 static void ws_update_resource_state(void *id,
 120                                   tmgr_trace_event_t event_type,
 121                                   double value, double date)
 122 {
 123   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
 124 }
 125
 126 static surf_action_t ws_execute(void *workstation, double size)
 127 {
 128   return surf_cpu_model->extension.cpu.
 129     execute(((workstation_CLM03_t) workstation)->cpu, size);
 130 }
 131
 132 static surf_action_t ws_action_sleep(void *workstation, double duration)
 133 {
 134   return surf_cpu_model->extension.cpu.
 135     sleep(((workstation_CLM03_t) workstation)->cpu, duration);
 136 }
 137
 138 static void ws_action_suspend(surf_action_t action)
 139 {
 140   if (action->model_type == surf_network_model)
 141     surf_network_model->suspend(action);
 142   else if (action->model_type == surf_cpu_model)
 143     surf_cpu_model->suspend(action);
 144   else
 145     DIE_IMPOSSIBLE;
 146 }
 147
 148 static void ws_action_resume(surf_action_t action)
 149 {
 150   if (action->model_type == surf_network_model)
 151     surf_network_model->resume(action);
 152   else if (action->model_type == surf_cpu_model)
 153     surf_cpu_model->resume(action);
 154   else
 155     DIE_IMPOSSIBLE;
 156 }
 157
 158 static int ws_action_is_suspended(surf_action_t action)
 159 {
 160   if (action->model_type == surf_network_model)
 161     return surf_network_model->is_suspended(action);
 162   if (action->model_type == surf_cpu_model)
 163     return surf_cpu_model->is_suspended(action);
 164   DIE_IMPOSSIBLE;
 165 }
 166
 167 static void ws_action_set_max_duration(surf_action_t action, double duration)
 168 {
 169   if (action->model_type == surf_network_model)
 170     surf_network_model->set_max_duration(action, duration);
 171   else if (action->model_type == surf_cpu_model)
 172     surf_cpu_model->set_max_duration(action, duration);
 173   else
 174     DIE_IMPOSSIBLE;
 175 }
 176
 177 static void ws_action_set_priority(surf_action_t action, double priority)
 178 {
 179   if (action->model_type == surf_network_model)
 180     surf_network_model->set_priority(action, priority);
 181   else if (action->model_type == surf_cpu_model)
 182     surf_cpu_model->set_priority(action, priority);
 183   else
 184     DIE_IMPOSSIBLE;
 185 }
 186
 187 static double ws_action_get_remains(surf_action_t action)
 188 {
 189   if (action->model_type == surf_network_model)
 190     return surf_network_model->get_remains(action);
 191   if (action->model_type == surf_cpu_model)
 192     return surf_cpu_model->get_remains(action);
 193   DIE_IMPOSSIBLE;
 194 }
 195
 196 static surf_action_t ws_communicate(void *workstation_src,
 197                                  void *workstation_dst, double size,
 198                                  double rate)
 199 {
 200   workstation_CLM03_t src = (workstation_CLM03_t) workstation_src;
 201   workstation_CLM03_t dst = (workstation_CLM03_t) workstation_dst;
 202   return surf_network_model->extension.network.
 203     communicate(surf_resource_name(src->cpu), surf_resource_name(dst->cpu),
 204                 src->id, dst->id, size, rate);
 205 }
 206
 207 static e_surf_resource_state_t ws_get_state(void *workstation)
 208 {
 209   return surf_cpu_model->extension.cpu.
 210     get_state(((workstation_CLM03_t) workstation)->cpu);
 211 }
 212
 213 static double ws_get_speed(void *workstation, double load)
 214 {
 215   return surf_cpu_model->extension.cpu.
 216     get_speed(((workstation_CLM03_t) workstation)->cpu, load);
 217 }
 218
 219 static double ws_get_available_speed(void *workstation)
 220 {
 221   return surf_cpu_model->extension.cpu.
 222     get_available_speed(((workstation_CLM03_t)
 223                          workstation)->cpu);
 224 }
 225
 226 static surf_action_t ws_execute_parallel_task(int workstation_nb,
 227                                            void **workstation_list,
 228                                            double *computation_amount,
 229                                            double *communication_amount,
 230                                            double amount, double rate)
 231 {
 232   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
 233 }
 234
 235
 236 /* returns an array of network_link_CM02_t */
 237 static xbt_dynar_t ws_get_route(void *src, void *dst)
 238 {
 239   workstation_CLM03_t workstation_src = (workstation_CLM03_t) src;
 240   workstation_CLM03_t workstation_dst = (workstation_CLM03_t) dst;
 241   return surf_network_model->extension.network.get_route(workstation_src->id,
 242                                                          workstation_dst->id);
 243 }
 244
 245 static double ws_get_link_bandwidth(const void *link)
 246 {
 247   return surf_network_model->extension.network.get_link_bandwidth(link);
 248 }
 249
 250 static double ws_get_link_latency(const void *link)
 251 {
 252   return surf_network_model->extension.network.get_link_latency(link);
 253 }
 254
 255 static int ws_link_shared(const void *link)
 256 {
 257   return surf_network_model->extension.network.get_link_latency(link);
 258 }
 259
 260 static void ws_finalize(void)
 261 {
 262   surf_model_exit(surf_workstation_model);
 263   surf_workstation_model = NULL;
 264 }
 265
 266 static xbt_dict_t ws_get_properties(const void *ws)
 267 {
 268   return surf_resource_properties(((workstation_CLM03_t) ws)->cpu);
 269 }
 270
 271 static void surf_workstation_model_init_internal(void)
 272 {
 273   surf_workstation_model = surf_model_init();
 274
 275   surf_workstation_model->name = "Workstation";
 276   surf_workstation_model->action_unref = ws_action_unref;
 277   surf_workstation_model->action_cancel = ws_action_cancel;
 278   surf_workstation_model->action_state_set = ws_action_state_set;
 279
 280   surf_workstation_model->model_private->resource_used = ws_resource_used;
 281   surf_workstation_model->model_private->share_resources = ws_share_resources;
 282   surf_workstation_model->model_private->update_actions_state =
 283     ws_update_actions_state;
 284   surf_workstation_model->model_private->update_resource_state =
 285     ws_update_resource_state;
 286   surf_workstation_model->model_private->finalize = ws_finalize;
 287
 288   surf_workstation_model->suspend = ws_action_suspend;
 289   surf_workstation_model->resume = ws_action_resume;
 290   surf_workstation_model->is_suspended = ws_action_is_suspended;
 291   surf_workstation_model->set_max_duration = ws_action_set_max_duration;
 292   surf_workstation_model->set_priority = ws_action_set_priority;
 293   surf_workstation_model->get_remains = ws_action_get_remains;
 294
 295   surf_workstation_model->extension.workstation.execute = ws_execute;
 296   surf_workstation_model->extension.workstation.sleep = ws_action_sleep;
 297   surf_workstation_model->extension.workstation.get_state = ws_get_state;
 298   surf_workstation_model->extension.workstation.get_speed = ws_get_speed;
 299   surf_workstation_model->extension.workstation.get_available_speed =
 300     ws_get_available_speed;
 301
 302   surf_workstation_model->extension.workstation.communicate = ws_communicate;
 303   surf_workstation_model->extension.workstation.get_route = ws_get_route;
 304   surf_workstation_model->extension.workstation.execute_parallel_task =
 305     ws_execute_parallel_task;
 306   surf_workstation_model->extension.workstation.get_link_bandwidth =
 307     ws_get_link_bandwidth;
 308   surf_workstation_model->extension.workstation.get_link_latency =
 309     ws_get_link_latency;
 310   surf_workstation_model->extension.workstation.link_shared = ws_link_shared;
 311   surf_workstation_model->extension.workstation.get_properties =
 312     ws_get_properties;
 313
 314 }
 315
 316 /********************************************************************/
 317 /* The model used in MSG and presented at CCGrid03                  */
 318 /********************************************************************/
 319 /* @InProceedings{Casanova.CLM_03, */
 320 /*   author = {Henri Casanova and Arnaud Legrand and Loris Marchal}, */
 321 /*   title = {Scheduling Distributed Applications: the SimGrid Simulation Framework}, */
 322 /*   booktitle = {Proceedings of the third IEEE International Symposium on Cluster Computing and the Grid (CCGrid'03)}, */
 323 /*   publisher = {"IEEE Computer Society Press"}, */
 324 /*   month = {may}, */
 325 /*   year = {2003} */
 326 /* } */
 327 void surf_workstation_model_init_CLM03(const char *filename)
 328 {
 329   surf_workstation_model_init_internal();
 330   surf_cpu_model_init_Cas01_im(filename);
 331   surf_network_model_init_LegrandVelho(filename);
 332   update_model_description(surf_workstation_model_description,
 333                            "CLM03", surf_workstation_model);
 334   xbt_dynar_push(model_list, &surf_workstation_model);
 335 }
 336
 337 void surf_workstation_model_init_compound(const char *filename)
 338 {
 339
 340   xbt_assert0(surf_cpu_model, "No CPU model defined yet!");
 341   xbt_assert0(surf_network_model, "No network model defined yet!");
 342   surf_workstation_model_init_internal();
 343
 344   update_model_description(surf_workstation_model_description,
 345                            "compound", surf_workstation_model);
 346
 347   xbt_dynar_push(model_list, &surf_workstation_model);
 348 }