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 // COMMENTED BY DAVID
  48 //     if (used_routing && used_routing->host_id)
  49 //       id = xbt_dict_get_or_null(used_routing->host_id,name);
  50
  51     workstation_new(name, cpu, id ? *id : 0);
  52   }
  53 }
  54
  55 static int ws_resource_used(void *resource_id)
  56 {
  57   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
  58 }
  59
  60 static void ws_parallel_action_cancel(surf_action_t action)
  61 {
  62   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
  63 }
  64
  65 static int ws_parallel_action_free(surf_action_t action)
  66 {
  67   THROW_UNIMPLEMENTED;          /* This model does not implement parallel tasks */
  68 }
  69
  70 static int ws_action_unref(surf_action_t action)
  71 {
  72   if (action->model_type == surf_network_model)
  73     return surf_network_model->action_unref(action);
  74   else if (action->model_type == surf_cpu_model)
  75     return surf_cpu_model->action_unref(action);
  76   else if (action->model_type == surf_workstation_model)
  77     return ws_parallel_action_free(action);
  78   else
  79     DIE_IMPOSSIBLE;
  80   return 0;
  81 }
  82
  83 static void ws_action_cancel(surf_action_t action)
  84 {
  85   if (action->model_type == surf_network_model)
  86     surf_network_model->action_cancel(action);
  87   else if (action->model_type == surf_cpu_model)
  88     surf_cpu_model->action_cancel(action);
  89   else if (action->model_type == surf_workstation_model)
  90     ws_parallel_action_cancel(action);
  91   else
  92     DIE_IMPOSSIBLE;
  93   return;
  94 }
  95
  96 static void ws_action_state_set(surf_action_t action,
  97                                 e_surf_action_state_t state)
  98 {
  99   if (action->model_type == surf_network_model)
 100     surf_network_model->action_state_set(action, state);
 101   else if (action->model_type == surf_cpu_model)
 102     surf_cpu_model->action_state_set(action, state);
 103   else if (action->model_type == surf_workstation_model)
 104     surf_action_state_set(action, state);
 105   else
 106     DIE_IMPOSSIBLE;
 107   return;
 108 }
 109
 110 static double ws_share_resources(double now)
 111 {
 112   return -1.0;
 113 }
 114
 115 static void ws_update_actions_state(double now, double delta)
 116 {
 117   return;
 118 }
 119
 120 static void ws_update_resource_state(void *id,
 121                                   tmgr_trace_event_t event_type,
 122                                   double value, double date)
 123 {
 124   THROW_IMPOSSIBLE;             /* This model does not implement parallel tasks */
 125 }
 126
 127 static surf_action_t ws_execute(void *workstation, double size)
 128 {
 129   return surf_cpu_model->extension.cpu.
 130     execute(((workstation_CLM03_t) workstation)->cpu, size);
 131 }
 132
 133 static surf_action_t ws_action_sleep(void *workstation, double duration)
 134 {
 135   return surf_cpu_model->extension.cpu.
 136     sleep(((workstation_CLM03_t) workstation)->cpu, duration);
 137 }
 138
 139 static void ws_action_suspend(surf_action_t action)
 140 {
 141   if (action->model_type == surf_network_model)
 142     surf_network_model->suspend(action);
 143   else if (action->model_type == surf_cpu_model)
 144     surf_cpu_model->suspend(action);
 145   else
 146     DIE_IMPOSSIBLE;
 147 }
 148
 149 static void ws_action_resume(surf_action_t action)
 150 {
 151   if (action->model_type == surf_network_model)
 152     surf_network_model->resume(action);
 153   else if (action->model_type == surf_cpu_model)
 154     surf_cpu_model->resume(action);
 155   else
 156     DIE_IMPOSSIBLE;
 157 }
 158
 159 static int ws_action_is_suspended(surf_action_t action)
 160 {
 161   if (action->model_type == surf_network_model)
 162     return surf_network_model->is_suspended(action);
 163   if (action->model_type == surf_cpu_model)
 164     return surf_cpu_model->is_suspended(action);
 165   DIE_IMPOSSIBLE;
 166 }
 167
 168 static void ws_action_set_max_duration(surf_action_t action, double duration)
 169 {
 170   if (action->model_type == surf_network_model)
 171     surf_network_model->set_max_duration(action, duration);
 172   else if (action->model_type == surf_cpu_model)
 173     surf_cpu_model->set_max_duration(action, duration);
 174   else
 175     DIE_IMPOSSIBLE;
 176 }
 177
 178 static void ws_action_set_priority(surf_action_t action, double priority)
 179 {
 180   if (action->model_type == surf_network_model)
 181     surf_network_model->set_priority(action, priority);
 182   else if (action->model_type == surf_cpu_model)
 183     surf_cpu_model->set_priority(action, priority);
 184   else
 185     DIE_IMPOSSIBLE;
 186 }
 187
 188 static int ws_get_latency_limited(surf_action_t action)
 189 {
 190   if (action->model_type == surf_network_model)
 191     return surf_network_model->get_latency_limited(action);
 192   INFO0("You tried to ask if a non network action is limited by latency, aborting...");
 193   DIE_IMPOSSIBLE;
 194 }
 195
 196 static double ws_action_get_remains(surf_action_t action)
 197 {
 198   if (action->model_type == surf_network_model)
 199     return surf_network_model->get_remains(action);
 200   if (action->model_type == surf_cpu_model)
 201     return surf_cpu_model->get_remains(action);
 202   DIE_IMPOSSIBLE;
 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), surf_resource_name(dst->cpu),
 213                 src->id, dst->id, 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 }
 243
 244
 245 /* returns an array of network_link_CM02_t */
 246 static xbt_dynar_t ws_get_route(void *src, void *dst)
 247 {
 248   workstation_CLM03_t workstation_src = (workstation_CLM03_t) src;
 249   workstation_CLM03_t workstation_dst = (workstation_CLM03_t) dst;
 250   return surf_network_model->extension.network.get_route(workstation_src->id,
 251                                                          workstation_dst->id);
 252 }
 253
 254 static double ws_get_link_bandwidth(const void *link)
 255 {
 256   return surf_network_model->extension.network.get_link_bandwidth(link);
 257 }
 258
 259 static double ws_get_link_latency(const void *link)
 260 {
 261   return surf_network_model->extension.network.get_link_latency(link);
 262 }
 263
 264 static int ws_link_shared(const void *link)
 265 {
 266   return surf_network_model->extension.network.get_link_latency(link);
 267 }
 268
 269 static void ws_finalize(void)
 270 {
 271   surf_model_exit(surf_workstation_model);
 272   surf_workstation_model = NULL;
 273 }
 274
 275 static xbt_dict_t ws_get_properties(const void *ws)
 276 {
 277   return surf_resource_properties(((workstation_CLM03_t) ws)->cpu);
 278 }
 279
 280 static void surf_workstation_model_init_internal(void)
 281 {
 282   surf_workstation_model = surf_model_init();
 283
 284   surf_workstation_model->name = "Workstation";
 285   surf_workstation_model->action_unref = ws_action_unref;
 286   surf_workstation_model->action_cancel = ws_action_cancel;
 287   surf_workstation_model->action_state_set = ws_action_state_set;
 288
 289   surf_workstation_model->model_private->resource_used = ws_resource_used;
 290   surf_workstation_model->model_private->share_resources = ws_share_resources;
 291   surf_workstation_model->model_private->update_actions_state =
 292     ws_update_actions_state;
 293   surf_workstation_model->model_private->update_resource_state =
 294     ws_update_resource_state;
 295   surf_workstation_model->model_private->finalize = ws_finalize;
 296
 297   surf_workstation_model->suspend = ws_action_suspend;
 298   surf_workstation_model->resume = ws_action_resume;
 299   surf_workstation_model->is_suspended = ws_action_is_suspended;
 300   surf_workstation_model->set_max_duration = ws_action_set_max_duration;
 301   surf_workstation_model->set_priority = ws_action_set_priority;
 302   surf_workstation_model->get_remains = ws_action_get_remains;
 303   surf_workstation_model->get_latency_limited = ws_get_latency_limited;
 304
 305   surf_workstation_model->extension.workstation.execute = ws_execute;
 306   surf_workstation_model->extension.workstation.sleep = ws_action_sleep;
 307   surf_workstation_model->extension.workstation.get_state = ws_get_state;
 308   surf_workstation_model->extension.workstation.get_speed = ws_get_speed;
 309   surf_workstation_model->extension.workstation.get_available_speed =
 310     ws_get_available_speed;
 311
 312   surf_workstation_model->extension.workstation.communicate = ws_communicate;
 313   surf_workstation_model->extension.workstation.get_route = ws_get_route;
 314   surf_workstation_model->extension.workstation.execute_parallel_task =
 315     ws_execute_parallel_task;
 316   surf_workstation_model->extension.workstation.get_link_bandwidth =
 317     ws_get_link_bandwidth;
 318   surf_workstation_model->extension.workstation.get_link_latency =
 319     ws_get_link_latency;
 320   surf_workstation_model->extension.workstation.link_shared = ws_link_shared;
 321   surf_workstation_model->extension.workstation.get_properties =
 322     ws_get_properties;
 323
 324 }
 325
 326 /********************************************************************/
 327 /* The model used in MSG and presented at CCGrid03                  */
 328 /********************************************************************/
 329 /* @InProceedings{Casanova.CLM_03, */
 330 /*   author = {Henri Casanova and Arnaud Legrand and Loris Marchal}, */
 331 /*   title = {Scheduling Distributed Applications: the SimGrid Simulation Framework}, */
 332 /*   booktitle = {Proceedings of the third IEEE International Symposium on Cluster Computing and the Grid (CCGrid'03)}, */
 333 /*   publisher = {"IEEE Computer Society Press"}, */
 334 /*   month = {may}, */
 335 /*   year = {2003} */
 336 /* } */
 337 void surf_workstation_model_init_CLM03(const char *filename)
 338 {
 339   surf_workstation_model_init_internal();
 340   surf_cpu_model_init_Cas01_im(filename);
 341   surf_network_model_init_LegrandVelho(filename);
 342   update_model_description(surf_workstation_model_description,
 343                            "CLM03", surf_workstation_model);
 344   xbt_dynar_push(model_list, &surf_workstation_model);
 345 }
 346
 347 void surf_workstation_model_init_compound(const char *filename)
 348 {
 349
 350   xbt_assert0(surf_cpu_model, "No CPU model defined yet!");
 351   xbt_assert0(surf_network_model, "No network model defined yet!");
 352   surf_workstation_model_init_internal();
 353
 354   update_model_description(surf_workstation_model_description,
 355                            "compound", surf_workstation_model);
 356
 357   xbt_dynar_push(model_list, &surf_workstation_model);
 358 }