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/dict.h"
   9 #include "workstation_private.h"
  10 #include "cpu_private.h"
  11 #include "network_private.h"
  12
  13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(workstation, surf,
  14                                 "Logging specific to the SURF workstation module");
  15
  16 surf_workstation_resource_t surf_workstation_resource = NULL;
  17
  18 xbt_dict_t workstation_set = NULL;
  19
  20 static workstation_CLM03_t workstation_new(const char *name,
  21                                      void *cpu, void *card)
  22 {
  23   workstation_CLM03_t workstation = xbt_new0(s_workstation_CLM03_t, 1);
  24
  25   workstation->resource = (surf_resource_t) surf_workstation_resource;
  26   workstation->name = xbt_strdup(name);
  27   workstation->cpu = cpu;
  28   workstation->network_card = card;
  29
  30   return workstation;
  31 }
  32
  33 static void workstation_free(void *workstation)
  34 {
  35   free(((workstation_CLM03_t)workstation)->name);
  36   free(workstation);
  37 }
  38
  39 static void create_workstations(void)
  40 {
  41   xbt_dict_cursor_t cursor = NULL;
  42   char *name = NULL;
  43   void *cpu = NULL;
  44   void *nw_card = NULL;
  45
  46   xbt_dict_foreach(cpu_set, cursor, name, cpu) {
  47     nw_card = NULL;
  48     xbt_dict_get(network_card_set, name, (void *) &nw_card);
  49     xbt_assert1(nw_card, "No corresponding card found for %s",name);
  50     xbt_dict_set(workstation_set, name,
  51                  workstation_new(name, cpu, nw_card), workstation_free);
  52   }
  53 }
  54
  55 static void *name_service(const char *name)
  56 {
  57   void *workstation = NULL;
  58
  59   xbt_dict_get(workstation_set, name, &workstation);
  60
  61   return workstation;
  62 }
  63
  64 static const char *get_resource_name(void *resource_id)
  65 {
  66   return ((workstation_CLM03_t) resource_id)->name;
  67 }
  68
  69 static int resource_used(void *resource_id)
  70 {
  71   xbt_assert0(0,
  72               "Workstation is a virtual resource. I should not be there!");
  73   return 0;
  74 }
  75
  76 static int action_free(surf_action_t action)
  77 {
  78   if(action->resource_type==(surf_resource_t)surf_network_resource)
  79     return surf_network_resource->common_public->action_free(action);
  80   else if(action->resource_type==(surf_resource_t)surf_cpu_resource)
  81     return surf_cpu_resource->common_public->action_free(action);
  82   else DIE_IMPOSSIBLE;
  83   return 0;
  84 }
  85
  86
  87 static void action_use(surf_action_t action)
  88 {
  89   if(action->resource_type==(surf_resource_t)surf_network_resource)
  90     surf_network_resource->common_public->action_use(action);
  91   else if(action->resource_type==(surf_resource_t)surf_cpu_resource)
  92     surf_cpu_resource->common_public->action_use(action);
  93   else DIE_IMPOSSIBLE;
  94   return;
  95 }
  96
  97 static void action_cancel(surf_action_t action)
  98 {
  99   return;
 100 }
 101
 102 static void action_recycle(surf_action_t action)
 103 {
 104   return;
 105 }
 106
 107 static void action_change_state(surf_action_t action,
 108                                 e_surf_action_state_t state)
 109 {
 110   if(action->resource_type==(surf_resource_t)surf_network_resource)
 111     surf_network_resource->common_public->action_change_state(action,state);
 112   else if(action->resource_type==(surf_resource_t)surf_cpu_resource)
 113     surf_cpu_resource->common_public->action_change_state(action,state);
 114   else DIE_IMPOSSIBLE;
 115   return;
 116 }
 117
 118 static double share_resources(double now)
 119 {
 120   return -1.0;
 121 }
 122
 123
 124 static void update_actions_state(double now, double delta)
 125 {
 126   return;
 127 }
 128
 129 static void update_resource_state(void *id,
 130                                   tmgr_trace_event_t event_type,
 131                                   double value)
 132 {
 133   return;
 134 }
 135
 136 static surf_action_t execute(void *workstation, double size)
 137 {
 138   return surf_cpu_resource->extension_public->
 139       execute(((workstation_CLM03_t) workstation)->cpu, size);
 140 }
 141
 142 static surf_action_t action_sleep(void *workstation, double duration)
 143 {
 144   return surf_cpu_resource->extension_public->
 145       sleep(((workstation_CLM03_t) workstation)->cpu, duration);
 146 }
 147
 148 static void action_suspend(surf_action_t action)
 149 {
 150   if(action->resource_type==(surf_resource_t)surf_network_resource)
 151     surf_network_resource->common_public->suspend(action);
 152   else if(action->resource_type==(surf_resource_t)surf_cpu_resource)
 153     surf_cpu_resource->common_public->suspend(action);
 154   else DIE_IMPOSSIBLE;
 155 }
 156
 157 static void action_resume(surf_action_t action)
 158 {
 159   if(action->resource_type==(surf_resource_t)surf_network_resource)
 160     surf_network_resource->common_public->resume(action);
 161   else if(action->resource_type==(surf_resource_t)surf_cpu_resource)
 162     surf_cpu_resource->common_public->resume(action);
 163   else DIE_IMPOSSIBLE;
 164 }
 165
 166 static int action_is_suspended(surf_action_t action)
 167 {
 168   if(action->resource_type==(surf_resource_t)surf_network_resource)
 169     return surf_network_resource->common_public->is_suspended(action);
 170   if(action->resource_type==(surf_resource_t)surf_cpu_resource)
 171     return surf_cpu_resource->common_public->is_suspended(action);
 172   DIE_IMPOSSIBLE;
 173 }
 174
 175 static surf_action_t communicate(void *workstation_src,
 176                                  void *workstation_dst, double size,
 177                                  double rate)
 178 {
 179   return surf_network_resource->extension_public->
 180       communicate(((workstation_CLM03_t) workstation_src)->network_card,
 181                   ((workstation_CLM03_t) workstation_dst)->network_card, size, rate);
 182 }
 183
 184 static e_surf_cpu_state_t get_state(void *workstation)
 185 {
 186   return surf_cpu_resource->extension_public->
 187       get_state(((workstation_CLM03_t) workstation)->cpu);
 188 }
 189
 190 static void finalize(void)
 191 {
 192   xbt_dict_free(&workstation_set);
 193   xbt_swag_free(surf_workstation_resource->common_public->states.ready_action_set);
 194   xbt_swag_free(surf_workstation_resource->common_public->states.
 195                 running_action_set);
 196   xbt_swag_free(surf_workstation_resource->common_public->states.
 197                 failed_action_set);
 198   xbt_swag_free(surf_workstation_resource->common_public->states.done_action_set);
 199
 200   free(surf_workstation_resource->common_public);
 201   free(surf_workstation_resource->common_private);
 202   free(surf_workstation_resource->extension_public);
 203
 204   free(surf_workstation_resource);
 205   surf_workstation_resource = NULL;
 206 }
 207
 208 static void surf_workstation_resource_init_internal(void)
 209 {
 210   s_surf_action_t action;
 211
 212   surf_workstation_resource = xbt_new0(s_surf_workstation_resource_t, 1);
 213
 214   surf_workstation_resource->common_private =
 215       xbt_new0(s_surf_resource_private_t, 1);
 216   surf_workstation_resource->common_public =
 217       xbt_new0(s_surf_resource_public_t, 1);
 218 /*   surf_workstation_resource->extension_private = xbt_new0(s_surf_workstation_resource_extension_private_t,1); */
 219   surf_workstation_resource->extension_public =
 220       xbt_new0(s_surf_workstation_resource_extension_public_t, 1);
 221
 222   surf_workstation_resource->common_public->states.ready_action_set =
 223       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 224   surf_workstation_resource->common_public->states.running_action_set =
 225       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 226   surf_workstation_resource->common_public->states.failed_action_set =
 227       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 228   surf_workstation_resource->common_public->states.done_action_set =
 229       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 230
 231   surf_workstation_resource->common_public->name_service = name_service;
 232   surf_workstation_resource->common_public->get_resource_name =
 233       get_resource_name;
 234   surf_workstation_resource->common_public->action_get_state =
 235       surf_action_get_state;
 236   surf_workstation_resource->common_public->action_free = action_free;
 237   surf_workstation_resource->common_public->action_use = action_use;
 238   surf_workstation_resource->common_public->action_cancel = action_cancel;
 239   surf_workstation_resource->common_public->action_recycle =
 240       action_recycle;
 241   surf_workstation_resource->common_public->action_change_state =
 242       action_change_state;
 243   surf_workstation_resource->common_public->action_set_data = surf_action_set_data;
 244   surf_workstation_resource->common_public->name = "Workstation";
 245
 246   surf_workstation_resource->common_private->resource_used = resource_used;
 247   surf_workstation_resource->common_private->share_resources =
 248       share_resources;
 249   surf_workstation_resource->common_private->update_actions_state =
 250       update_actions_state;
 251   surf_workstation_resource->common_private->update_resource_state =
 252       update_resource_state;
 253   surf_workstation_resource->common_private->finalize = finalize;
 254
 255   surf_workstation_resource->common_public->suspend = action_suspend;
 256   surf_workstation_resource->common_public->resume = action_resume;
 257   surf_workstation_resource->common_public->is_suspended = action_is_suspended;
 258
 259   surf_workstation_resource->extension_public->execute = execute;
 260   surf_workstation_resource->extension_public->sleep = action_sleep;
 261   surf_workstation_resource->extension_public->get_state = get_state;
 262   surf_workstation_resource->extension_public->communicate = communicate;
 263
 264   workstation_set = xbt_dict_new();
 265
 266   xbt_assert0(maxmin_system, "surf_init has to be called first!");
 267 }
 268
 269 /********************************************************************/
 270 /* The model used in MSG and presented at CCGrid03                  */
 271 /********************************************************************/
 272 /* @InProceedings{Casanova.CLM_03, */
 273 /*   author = {Henri Casanova and Arnaud Legrand and Loris Marchal}, */
 274 /*   title = {Scheduling Distributed Applications: the SimGrid Simulation Framework}, */
 275 /*   booktitle = {Proceedings of the third IEEE International Symposium on Cluster Computing and the Grid (CCGrid'03)}, */
 276 /*   publisher = {"IEEE Computer Society Press"}, */
 277 /*   month = {may}, */
 278 /*   year = {2003} */
 279 /* } */
 280 void surf_workstation_resource_init_CLM03(const char *filename)
 281 {
 282 /*   int i ; */
 283 /*   surf_resource_t resource =  NULL; */
 284
 285   surf_workstation_resource_init_internal();
 286   surf_cpu_resource_init_Cas01(filename);
 287   surf_network_resource_init_CM02(filename);
 288   create_workstations();
 289   xbt_dynar_push(resource_list, &surf_workstation_resource);
 290 /*   xbt_dynar_foreach(resource_list, i, resource) { */
 291 /*     if(resource==surf_cpu_resource) { */
 292 /*       xbt_dynar_remove_at(resource_list, i, NULL); */
 293 /*       i--;  */
 294 /*       continue; */
 295 /*     } */
 296 /*     if(resource==surf_network_resource) { */
 297 /*       xbt_dynar_remove_at(resource_list, i, NULL); */
 298 /*       i--;  */
 299 /*       continue; */
 300 /*     } */
 301 /*   } */
 302 }