src/surf/surf_action.c

   1 /* Copyright (c) 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 "surf_private.h"
   8
   9 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_kernel);
  10
  11 /*
  12  * Generic action
  13  */
  14
  15 const char *surf_action_state_names[6] = {
  16   "SURF_ACTION_READY",
  17   "SURF_ACTION_RUNNING",
  18   "SURF_ACTION_FAILED",
  19   "SURF_ACTION_DONE",
  20   "SURF_ACTION_TO_FREE",
  21   "SURF_ACTION_NOT_IN_THE_SYSTEM"
  22 };
  23
  24 void *surf_action_new(size_t size, double cost, surf_model_t model,
  25                       int failed)
  26 {
  27   surf_action_t action = xbt_malloc0(size);
  28   action->refcount = 1;
  29   action->cost = cost;
  30   action->remains = cost;
  31   action->priority = 1.0;
  32   action->max_duration = NO_MAX_DURATION;
  33   action->start = surf_get_clock();
  34   action->finish = -1.0;
  35   action->model_type = model;
  36
  37   if (failed)
  38     action->state_set = model->states.failed_action_set;
  39   else
  40     action->state_set = model->states.running_action_set;
  41
  42   xbt_swag_insert(action, action->state_set);
  43
  44   return action;
  45 }
  46
  47 e_surf_action_state_t surf_action_state_get(surf_action_t action)
  48 {
  49   surf_action_state_t action_state = &(action->model_type->states);
  50
  51   if (action->state_set == action_state->ready_action_set)
  52     return SURF_ACTION_READY;
  53   if (action->state_set == action_state->running_action_set)
  54     return SURF_ACTION_RUNNING;
  55   if (action->state_set == action_state->failed_action_set)
  56     return SURF_ACTION_FAILED;
  57   if (action->state_set == action_state->done_action_set)
  58     return SURF_ACTION_DONE;
  59   return SURF_ACTION_NOT_IN_THE_SYSTEM;
  60 }
  61
  62 double surf_action_get_start_time(surf_action_t action)
  63 {
  64   return action->start;
  65 }
  66
  67 double surf_action_get_finish_time(surf_action_t action)
  68 {
  69   /* keep the function behavior, some models (cpu_ti) change the finish time before the action end */
  70   return action->remains == 0 ? action->finish : -1;
  71 }
  72
  73 XBT_INLINE void surf_action_free(surf_action_t * action)
  74 {
  75   (*action)->model_type->action_cancel(*action);
  76   free(*action);
  77   *action = NULL;
  78 }
  79
  80 void surf_action_state_set(surf_action_t action, e_surf_action_state_t state)
  81 {
  82   surf_action_state_t action_state = &(action->model_type->states);
  83   XBT_IN2("(%p,%s)", action, surf_action_state_names[state]);
  84   xbt_swag_remove(action, action->state_set);
  85
  86   if (state == SURF_ACTION_READY)
  87     action->state_set = action_state->ready_action_set;
  88   else if (state == SURF_ACTION_RUNNING)
  89     action->state_set = action_state->running_action_set;
  90   else if (state == SURF_ACTION_FAILED)
  91     action->state_set = action_state->failed_action_set;
  92   else if (state == SURF_ACTION_DONE)
  93     action->state_set = action_state->done_action_set;
  94   else
  95     action->state_set = NULL;
  96
  97   if (action->state_set)
  98     xbt_swag_insert(action, action->state_set);
  99   XBT_OUT;
 100 }
 101
 102 void surf_action_data_set(surf_action_t action, void *data)
 103 {
 104   action->data = data;
 105 }
 106
 107 XBT_INLINE void surf_action_ref(surf_action_t action)
 108 {
 109   action->refcount++;
 110 }
 111
 112 /*
 113 void surf_action_suspend(surf_action_t action)
 114 {
 115   action->suspended = 1;
 116 }*/
 117
 118 /*
 119  * Maxmin action
 120  */