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 #ifdef HAVE_TRACING
  37   action->category = NULL;
  38 #endif
  39
  40   if (failed)
  41     action->state_set = model->states.failed_action_set;
  42   else
  43     action->state_set = model->states.running_action_set;
  44
  45   xbt_swag_insert(action, action->state_set);
  46
  47   return action;
  48 }
  49
  50 e_surf_action_state_t surf_action_state_get(surf_action_t action)
  51 {
  52   surf_action_state_t action_state = &(action->model_type->states);
  53
  54   if (action->state_set == action_state->ready_action_set)
  55     return SURF_ACTION_READY;
  56   if (action->state_set == action_state->running_action_set)
  57     return SURF_ACTION_RUNNING;
  58   if (action->state_set == action_state->failed_action_set)
  59     return SURF_ACTION_FAILED;
  60   if (action->state_set == action_state->done_action_set)
  61     return SURF_ACTION_DONE;
  62   return SURF_ACTION_NOT_IN_THE_SYSTEM;
  63 }
  64
  65 double surf_action_get_start_time(surf_action_t action)
  66 {
  67   return action->start;
  68 }
  69
  70 double surf_action_get_finish_time(surf_action_t action)
  71 {
  72   /* keep the function behavior, some models (cpu_ti) change the finish time before the action end */
  73   return action->remains == 0 ? action->finish : -1;
  74 }
  75
  76 XBT_INLINE void surf_action_free(surf_action_t * action)
  77 {
  78   (*action)->model_type->action_cancel(*action);
  79   free(*action);
  80   *action = NULL;
  81 }
  82
  83 void surf_action_state_set(surf_action_t action, e_surf_action_state_t state)
  84 {
  85   surf_action_state_t action_state = &(action->model_type->states);
  86   XBT_IN2("(%p,%s)", action, surf_action_state_names[state]);
  87   xbt_swag_remove(action, action->state_set);
  88
  89   if (state == SURF_ACTION_READY)
  90     action->state_set = action_state->ready_action_set;
  91   else if (state == SURF_ACTION_RUNNING)
  92     action->state_set = action_state->running_action_set;
  93   else if (state == SURF_ACTION_FAILED)
  94     action->state_set = action_state->failed_action_set;
  95   else if (state == SURF_ACTION_DONE)
  96     action->state_set = action_state->done_action_set;
  97   else
  98     action->state_set = NULL;
  99
 100   if (action->state_set)
 101     xbt_swag_insert(action, action->state_set);
 102   XBT_OUT;
 103 }
 104
 105 void surf_action_data_set(surf_action_t action, void *data)
 106 {
 107   action->data = data;
 108 }
 109
 110 XBT_INLINE void surf_action_ref(surf_action_t action)
 111 {
 112   action->refcount++;
 113 }
 114
 115 /*
 116 void surf_action_suspend(surf_action_t action)
 117 {
 118   action->suspended = 1;
 119 }*/
 120
 121 /*
 122  * Maxmin action
 123  */