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_t workstation_new(const char *name,
  21                                      void *cpu, void *card)
  22 {
  23   workstation_t workstation = xbt_new0(s_workstation_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   xbt_free(((workstation_t)workstation)->name);
  36   xbt_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_assert0(nw_card, "No corresponding card found");
  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_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 void action_free(surf_action_t action)
  77 {
  78   return;
  79 }
  80
  81 static void action_cancel(surf_action_t action)
  82 {
  83   return;
  84 }
  85
  86 static void action_recycle(surf_action_t action)
  87 {
  88   return;
  89 }
  90
  91 static void action_change_state(surf_action_t action,
  92                                 e_surf_action_state_t state)
  93 {
  94   surf_action_change_state(action, state);
  95   return;
  96 }
  97
  98 static double share_resources(double now)
  99 {
 100   return -1.0;
 101 }
 102
 103
 104 static void update_actions_state(double now, double delta)
 105 {
 106   return;
 107 }
 108
 109 static void update_resource_state(void *id,
 110                                   tmgr_trace_event_t event_type,
 111                                   double value)
 112 {
 113   return;
 114 }
 115
 116 static surf_action_t execute(void *workstation, double size)
 117 {
 118   return surf_cpu_resource->extension_public->
 119       execute(((workstation_t) workstation)->cpu, size);
 120 }
 121
 122 static surf_action_t action_sleep(void *workstation, double duration)
 123 {
 124   return surf_cpu_resource->extension_public->
 125       sleep(((workstation_t) workstation)->cpu, duration);
 126 }
 127
 128 static void action_suspend(surf_action_t action)
 129 {
 130   xbt_assert0(action->resource_type ==
 131               ((surf_resource_t) surf_cpu_resource),
 132               "Resource type mismatch");
 133   surf_cpu_resource->extension_public->suspend(action);
 134 }
 135
 136 static void action_resume(surf_action_t action)
 137 {
 138   xbt_assert0(action->resource_type ==
 139               ((surf_resource_t) surf_cpu_resource),
 140               "Resource type mismatch");
 141   surf_cpu_resource->extension_public->resume(action);
 142 }
 143
 144 static int action_is_suspended(surf_action_t action)
 145 {
 146   if(action->resource_type==(surf_resource_t)surf_network_resource)
 147     return 0;
 148   if(action->resource_type==(surf_resource_t)surf_cpu_resource)
 149     return surf_cpu_resource->extension_public->is_suspended(action);
 150   DIE_IMPOSSIBLE;
 151 }
 152
 153 static surf_action_t communicate(void *workstation_src,
 154                                  void *workstation_dst, double size)
 155 {
 156   return surf_network_resource->extension_public->
 157       communicate(((workstation_t) workstation_src)->network_card,
 158                   ((workstation_t) workstation_dst)->network_card, size);
 159 }
 160
 161 static e_surf_cpu_state_t get_state(void *workstation)
 162 {
 163   return surf_cpu_resource->extension_public->
 164       get_state(((workstation_t) workstation)->cpu);
 165 }
 166
 167 static void finalize(void)
 168 {
 169   xbt_dict_free(&workstation_set);
 170   xbt_swag_free(surf_workstation_resource->common_public->states.ready_action_set);
 171   xbt_swag_free(surf_workstation_resource->common_public->states.
 172                 running_action_set);
 173   xbt_swag_free(surf_workstation_resource->common_public->states.
 174                 failed_action_set);
 175   xbt_swag_free(surf_workstation_resource->common_public->states.done_action_set);
 176
 177   xbt_free(surf_workstation_resource->common_public);
 178   xbt_free(surf_workstation_resource->common_private);
 179   xbt_free(surf_workstation_resource->extension_public);
 180
 181   xbt_free(surf_workstation_resource);
 182   surf_workstation_resource = NULL;
 183 }
 184
 185 static void surf_workstation_resource_init_internal(void)
 186 {
 187   s_surf_action_t action;
 188
 189   surf_workstation_resource = xbt_new0(s_surf_workstation_resource_t, 1);
 190
 191   surf_workstation_resource->common_private =
 192       xbt_new0(s_surf_resource_private_t, 1);
 193   surf_workstation_resource->common_public =
 194       xbt_new0(s_surf_resource_public_t, 1);
 195 /*   surf_workstation_resource->extension_private = xbt_new0(s_surf_workstation_resource_extension_private_t,1); */
 196   surf_workstation_resource->extension_public =
 197       xbt_new0(s_surf_workstation_resource_extension_public_t, 1);
 198
 199   surf_workstation_resource->common_public->states.ready_action_set =
 200       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 201   surf_workstation_resource->common_public->states.running_action_set =
 202       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 203   surf_workstation_resource->common_public->states.failed_action_set =
 204       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 205   surf_workstation_resource->common_public->states.done_action_set =
 206       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 207
 208   surf_workstation_resource->common_public->name_service = name_service;
 209   surf_workstation_resource->common_public->get_resource_name =
 210       get_resource_name;
 211   surf_workstation_resource->common_public->action_get_state =
 212       surf_action_get_state;
 213   surf_workstation_resource->common_public->action_free = action_free;
 214   surf_workstation_resource->common_public->action_cancel = action_cancel;
 215   surf_workstation_resource->common_public->action_recycle =
 216       action_recycle;
 217   surf_workstation_resource->common_public->action_change_state =
 218       action_change_state;
 219   surf_workstation_resource->common_public->action_set_data = surf_action_set_data;
 220   surf_workstation_resource->common_public->name = "Workstation";
 221
 222   surf_workstation_resource->common_private->resource_used = resource_used;
 223   surf_workstation_resource->common_private->share_resources =
 224       share_resources;
 225   surf_workstation_resource->common_private->update_actions_state =
 226       update_actions_state;
 227   surf_workstation_resource->common_private->update_resource_state =
 228       update_resource_state;
 229   surf_workstation_resource->common_private->finalize = finalize;
 230
 231   surf_workstation_resource->extension_public->execute = execute;
 232   surf_workstation_resource->extension_public->sleep = action_sleep;
 233   surf_workstation_resource->extension_public->suspend = action_suspend;
 234   surf_workstation_resource->extension_public->resume = action_resume;
 235   surf_workstation_resource->extension_public->is_suspended = action_is_suspended;
 236   surf_workstation_resource->extension_public->get_state = get_state;
 237   surf_workstation_resource->extension_public->communicate = communicate;
 238
 239   workstation_set = xbt_dict_new();
 240
 241   xbt_assert0(maxmin_system, "surf_init has to be called first!");
 242 }
 243
 244 /********************************************************************/
 245 /* The model used in MSG and presented at CCGrid03                  */
 246 /********************************************************************/
 247 /* @InProceedings{Casanova.CLM_03, */
 248 /*   author = {Henri Casanova and Arnaud Legrand and Loris Marchal}, */
 249 /*   title = {Scheduling Distributed Applications: the SimGrid Simulation Framework}, */
 250 /*   booktitle = {Proceedings of the third IEEE International Symposium on Cluster Computing and the Grid (CCGrid'03)}, */
 251 /*   publisher = {"IEEE Computer Society Press"}, */
 252 /*   month = {may}, */
 253 /*   year = {2003} */
 254 /* } */
 255 void surf_workstation_resource_init_CLM03(const char *filename)
 256 {
 257 /*   int i ; */
 258 /*   surf_resource_t resource =  NULL; */
 259
 260   surf_workstation_resource_init_internal();
 261   surf_cpu_resource_init_Cas01(filename);
 262   surf_network_resource_init_CM02(filename);
 263   create_workstations();
 264   xbt_dynar_push(resource_list, &surf_workstation_resource);
 265 /*   xbt_dynar_foreach(resource_list, i, resource) { */
 266 /*     if(resource==surf_cpu_resource) { */
 267 /*       xbt_dynar_remove_at(resource_list, i, NULL); */
 268 /*       i--;  */
 269 /*       continue; */
 270 /*     } */
 271 /*     if(resource==surf_network_resource) { */
 272 /*       xbt_dynar_remove_at(resource_list, i, NULL); */
 273 /*       i--;  */
 274 /*       continue; */
 275 /*     } */
 276 /*   } */
 277 }