src/surf/new_model.c

   1 /* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012. 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 /* ********************************************************************* */
   8 /* TUTORIAL: New model                                                   */
   9 /* ********************************************************************* */
  10
  11 #include "xbt/ex.h"
  12 #include "xbt/dict.h"
  13 #include "xbt/file_stat.h"
  14 #include "portable.h"
  15 #include "surf_private.h"
  16 #include "new_model_private.h"
  17 #include "surf/surf_resource.h"
  18
  19 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_new_model, surf,
  20                                 "Logging specific to the SURF new model module");
  21
  22 surf_model_t surf_new_model = NULL;
  23 lmm_system_t new_model_maxmin_system = NULL;
  24 static int new_model_selective_update = 0;
  25 static xbt_swag_t
  26     new_model_running_action_set_that_does_not_need_being_checked = NULL;
  27
  28 #define GENERIC_LMM_ACTION(action) action->generic_lmm_action
  29 #define GENERIC_ACTION(action) GENERIC_LMM_ACTION(action).generic_action
  30
  31 static void new_model_action_state_set(surf_action_t action, e_surf_action_state_t state);
  32 static surf_action_t new_model_action_execute ();
  33
  34 static surf_action_t new_model_action_fct()
  35 {
  36   surf_action_t action = new_model_action_execute();
  37   return action;
  38 }
  39
  40 static surf_action_t new_model_action_execute ()
  41 {
  42   THROW_UNIMPLEMENTED;
  43   return NULL;
  44 }
  45
  46 static void* new_model_create_resource(const char* id, const char* model,const char* type_id,const char* content_name)
  47 {
  48   THROW_UNIMPLEMENTED;
  49   return NULL;
  50 }
  51
  52 static void new_model_finalize(void)
  53 {
  54   THROW_UNIMPLEMENTED;
  55 }
  56
  57 static void new_model_update_actions_state(double now, double delta)
  58 {
  59   THROW_UNIMPLEMENTED;
  60 }
  61
  62 static double new_model_share_resources(double NOW)
  63 {
  64   THROW_UNIMPLEMENTED;
  65   return 0;
  66 }
  67
  68 static int new_model_resource_used(void *resource_id)
  69 {
  70   THROW_UNIMPLEMENTED;
  71   return 0;
  72 }
  73
  74 static void new_model_resources_state(void *id, tmgr_trace_event_t event_type,
  75                                  double value, double time)
  76 {
  77   THROW_UNIMPLEMENTED;
  78 }
  79
  80 static int new_model_action_unref(surf_action_t action)
  81 {
  82   THROW_UNIMPLEMENTED;
  83   return 0;
  84 }
  85
  86 static void new_model_action_cancel(surf_action_t action)
  87 {
  88   surf_action_state_set(action, SURF_ACTION_FAILED);
  89   return;
  90 }
  91
  92 static void new_model_action_state_set(surf_action_t action, e_surf_action_state_t state)
  93 {
  94   surf_action_state_set(action, state);
  95   return;
  96 }
  97
  98 static void new_model_action_suspend(surf_action_t action)
  99 {
 100   XBT_IN("(%p)", action);
 101   if (((surf_action_lmm_t) action)->suspended != 2) {
 102     lmm_update_variable_weight(new_model_maxmin_system,
 103                                ((surf_action_lmm_t) action)->variable,
 104                                0.0);
 105     ((surf_action_lmm_t) action)->suspended = 1;
 106   }
 107   XBT_OUT();
 108 }
 109
 110 static void new_model_action_resume(surf_action_t action)
 111 {
 112   THROW_UNIMPLEMENTED;
 113 }
 114
 115 static int new_model_action_is_suspended(surf_action_t action)
 116 {
 117   return (((surf_action_lmm_t) action)->suspended == 1);
 118 }
 119
 120 static void new_model_action_set_max_duration(surf_action_t action, double duration)
 121 {
 122   THROW_UNIMPLEMENTED;
 123 }
 124
 125 static void new_model_action_set_priority(surf_action_t action, double priority)
 126 {
 127   THROW_UNIMPLEMENTED;
 128 }
 129
 130 static void new_model_define_callbacks()
 131 {
 132 }
 133
 134 static void surf_new_model_model_init_internal(void)
 135 {
 136   s_surf_action_t action;
 137
 138   XBT_DEBUG("surf_new_model_model_init_internal");
 139   surf_new_model = surf_model_init();
 140
 141   new_model_running_action_set_that_does_not_need_being_checked =
 142       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 143
 144   surf_new_model->name = "Storage";
 145   surf_new_model->action_unref = new_model_action_unref;
 146   surf_new_model->action_cancel = new_model_action_cancel;
 147   surf_new_model->action_state_set = new_model_action_state_set;
 148
 149   surf_new_model->model_private->finalize = new_model_finalize;
 150   surf_new_model->model_private->update_actions_state = new_model_update_actions_state;
 151   surf_new_model->model_private->share_resources = new_model_share_resources;
 152   surf_new_model->model_private->resource_used = new_model_resource_used;
 153   surf_new_model->model_private->update_resource_state = new_model_resources_state;
 154
 155   surf_new_model->suspend = new_model_action_suspend;
 156   surf_new_model->resume = new_model_action_resume;
 157   surf_new_model->is_suspended = new_model_action_is_suspended;
 158   surf_new_model->set_max_duration = new_model_action_set_max_duration;
 159   surf_new_model->set_priority = new_model_action_set_priority;
 160
 161   surf_new_model->extension.new_model.fct = new_model_action_fct;
 162   surf_new_model->extension.new_model.create_resource = new_model_create_resource;
 163
 164   if (!new_model_maxmin_system) {
 165     new_model_maxmin_system = lmm_system_new(new_model_selective_update);
 166   }
 167
 168 }
 169
 170 void surf_new_model_model_init_default(void)
 171 {
 172   surf_new_model_model_init_internal();
 173   new_model_define_callbacks();
 174
 175   xbt_dynar_push(model_list, &surf_new_model);
 176 }