+++ /dev/null
-/* Copyright (c) 2007, 2009, 2010. The SimGrid Team.
- * All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#include "private.h"
-#include "xbt/log.h"
-#include "xbt/ex.h"
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_action, simix,
- "Logging specific to SIMIX (action)");
-
-/************************************* Actions *********************************/
-/** \brief Creates a new SIMIX action to communicate two hosts.
- *
- * This function creates a SURF action and allocates the data necessary to create the SIMIX action. It can raise a network_error exception if the host is unavailable.
- * \param sender SIMIX host sender
- * \param receiver SIMIX host receiver
- * \param name Action name
- * \param size Communication size (in bytes)
- * \param rate Communication rate between hosts.
- * \return A new SIMIX action
- * */
-smx_action_t SIMIX_action_communicate(smx_host_t sender,
- smx_host_t receiver,
- const char *name, double size,
- double rate)
-{
- smx_action_t act;
-
- /* check if the host is active */
- if (surf_workstation_model->extension.
- workstation.get_state(sender->host) != SURF_RESOURCE_ON) {
- THROW1(network_error, 0,
- "Host %s failed, you cannot call this function", sender->name);
- }
- if (surf_workstation_model->extension.workstation.
- get_state(receiver->host) != SURF_RESOURCE_ON) {
- THROW1(network_error, 0,
- "Host %s failed, you cannot call this function",
- receiver->name);
- }
-
- /* alloc structures */
- act = xbt_new0(s_smx_action_t, 1);
- act->cond_list = xbt_fifo_new();
- act->sem_list = xbt_fifo_new();
-
- /* initialize them */
- act->name = xbt_strdup(name);
- act->source = sender;
-#ifdef HAVE_TRACING
- act->category = NULL;
-#endif
-
- act->surf_action =
- surf_workstation_model->extension.workstation.
- communicate(sender->host, receiver->host, size, rate);
- surf_workstation_model->action_data_set(act->surf_action, act);
-
- DEBUG1("Create communicate action %p", act);
- return act;
-}
-
-/** \brief Creates a new SIMIX action to execute an action.
- *
- * This function creates a SURF action and allocates the data necessary to create the SIMIX action. It can raise a host_error exception if the host crashed.
- * \param host SIMIX host where the action will be executed
- * \param name Action name
- * \param amount Task amount (in bytes)
- * \return A new SIMIX action
- * */
-smx_action_t SIMIX_action_execute(smx_host_t host, const char *name,
- double amount)
-{
- smx_action_t act;
-
- /* check if the host is active */
- if (surf_workstation_model->extension.
- workstation.get_state(host->host) != SURF_RESOURCE_ON) {
- THROW1(host_error, 0, "Host %s failed, you cannot call this function",
- host->name);
- }
-
- /* alloc structures */
- act = xbt_new0(s_smx_action_t, 1);
- act->cond_list = xbt_fifo_new();
- act->sem_list = xbt_fifo_new();
-
- /* initialize them */
- act->source = host;
- act->name = xbt_strdup(name);
-#ifdef HAVE_TRACING
- act->category = NULL;
-#endif
-
- /* set execute */
- act->surf_action =
- surf_workstation_model->extension.workstation.execute(host->host,
- amount);
-
- surf_workstation_model->action_data_set(act->surf_action, act);
-
- DEBUG1("Create execute action %p", act);
-#ifdef HAVE_TRACING
- TRACE_smx_action_execute(act);
- TRACE_surf_action(act->surf_action, act->category);
-#endif
- return act;
-}
-
-/** \brief Creates a new sleep SIMIX action.
- *
- * This function creates a SURF action and allocates the data necessary
- * to create the SIMIX action. It can raise a host_error exception if the
- * host crashed. The default SIMIX name of the action is "sleep".
- *
- * \param host SIMIX host where the sleep will run.
- * \param duration Time duration of the sleep.
- * \return A new SIMIX action
- * */
-smx_action_t SIMIX_action_sleep(smx_host_t host, double duration)
-{
- char name[] = "sleep";
- smx_action_t act;
-
- /* check if the host is active */
- if (surf_workstation_model->extension.
- workstation.get_state(host->host) != SURF_RESOURCE_ON) {
- THROW1(host_error, 0, "Host %s failed, you cannot call this function",
- host->name);
- }
-
- /* alloc structures */
- act = xbt_new0(s_smx_action_t, 1);
- act->cond_list = xbt_fifo_new();
- act->sem_list = xbt_fifo_new();
-
- /* initialize them */
- act->source = host;
- act->name = xbt_strdup(name);
-#ifdef HAVE_TRACING
- act->category = NULL;
-#endif
-
- act->surf_action =
- surf_workstation_model->extension.workstation.sleep(host->host,
- duration);
-
- surf_workstation_model->action_data_set(act->surf_action, act);
-
- DEBUG1("Create sleep action %p", act);
- return act;
-}
-
-/**
- * \brief Cancels an action.
- *
- * This functions stops the execution of an action. It calls a surf functions.
- * \param action The SIMIX action
- */
-XBT_INLINE void SIMIX_action_cancel(smx_action_t action)
-{
- xbt_assert0((action != NULL), "Invalid parameter");
-
- DEBUG1("Cancel action %p", action);
- if (action->surf_action) {
- surf_workstation_model->action_cancel(action->surf_action);
- }
- return;
-}
-
-/**
- * \brief Changes the action's priority
- *
- * This functions changes the priority only. It calls a surf functions.
- * \param action The SIMIX action
- * \param priority The new priority
- */
-XBT_INLINE void SIMIX_action_set_priority(smx_action_t action,
- double priority)
-{
- xbt_assert0((action != NULL), "Invalid parameter");
-
- surf_workstation_model->set_priority(action->surf_action, priority);
- return;
-}
-
-/**
- * \brief Resumes the execution of an action.
- *
- * This functions restarts the execution of an action. It just calls the right SURF function.
- * \param action The SIMIX action
- * \param priority The new priority
- */
-XBT_INLINE void SIMIX_action_resume(smx_action_t action)
-{
- xbt_assert0((action != NULL), "Invalid parameter");
-
- surf_workstation_model->resume(action->surf_action);
- return;
-}
-
-/**
- * \brief Suspends the execution of an action.
- *
- * This functions suspends the execution of an action. It just calls the right SURF function.
- * \param action The SIMIX action
- * \param priority The new priority
- */
-XBT_INLINE void SIMIX_action_suspend(smx_action_t action)
-{
- xbt_assert0((action != NULL), "Invalid parameter");
-
- surf_workstation_model->suspend(action->surf_action);
- return;
-}
-
-/**
- * \brief Destroys an action
- *
- * Destroys an action, freing its memory. This function cannot be called if there are a conditional waiting for it.
- * \param action The SIMIX action
- */
-int SIMIX_action_destroy(smx_action_t action)
-{
- XBT_IN3("(%p:'%s',%d)", action, action->name, action->refcount);
- xbt_assert0((action != NULL), "Invalid parameter");
-
- action->refcount--;
- if (action->refcount > 0)
- return 0;
-
- xbt_assert1((xbt_fifo_size(action->cond_list) == 0),
- "Conditional list not empty %d. There is a problem. Cannot destroy it now!",
- xbt_fifo_size(action->cond_list));
-
- xbt_assert1((xbt_fifo_size(action->sem_list) == 0),
- "Semaphore list not empty %d. There is a problem. Cannot destroy it now!",
- xbt_fifo_size(action->sem_list));
-
- DEBUG1("Destroy action %p", action);
- if (action->name)
- xbt_free(action->name);
-
- xbt_fifo_free(action->cond_list);
- xbt_fifo_free(action->sem_list);
-
- if (action->surf_action)
- action->surf_action->model_type->action_unref(action->surf_action);
-#ifdef HAVE_TRACING
- TRACE_smx_action_destroy(action);
-#endif
- xbt_free(action);
- return 1;
-}
-
-/**
- * \brief Increase refcount of anan action
- *
- * \param action The SIMIX action
- */
-XBT_INLINE void SIMIX_action_use(smx_action_t action)
-{
- XBT_IN3("(%p:'%s',%d)", action, action->name, action->refcount);
- xbt_assert0((action != NULL), "Invalid parameter");
-
- action->refcount++;
-
- return;
-}
-
-/**
- * \brief Decrease refcount of anan action
- *
- * \param action The SIMIX action
- */
-XBT_INLINE void SIMIX_action_release(smx_action_t action)
-{
- xbt_assert0((action != NULL), "Invalid parameter");
-
- action->refcount--;
-
- return;
-}
-
-/**
- * \brief Set an action to a condition
- *
- * Creates the "link" between an action and a condition. You have to call this function when you create an action and want to wait its ending.
- * \param action SIMIX action
- * \param cond SIMIX cond
- */
-void SIMIX_register_action_to_condition(smx_action_t action,
- smx_cond_t cond)
-{
- xbt_assert0((action != NULL) && (cond != NULL), "Invalid parameters");
-
- DEBUG2("Register action %p to cond %p", action, cond);
- if (XBT_LOG_ISENABLED(simix_action, xbt_log_priority_debug))
- __SIMIX_cond_display_actions(cond);
-
- xbt_fifo_push(cond->actions, action);
-
- if (XBT_LOG_ISENABLED(simix_action, xbt_log_priority_debug))
- __SIMIX_cond_display_actions(cond);
-
- DEBUG2("Register condition %p to action %p", cond, action);
-
- if (XBT_LOG_ISENABLED(simix_action, xbt_log_priority_debug))
- __SIMIX_action_display_conditions(action);
-
- xbt_fifo_push(action->cond_list, cond);
-
- if (XBT_LOG_ISENABLED(simix_action, xbt_log_priority_debug))
- __SIMIX_action_display_conditions(action);
-}
-
-/**
- * \brief Unset an action to a condition.
- *
- * Destroys the "links" from the condition to this action.
- * \param action SIMIX action
- * \param cond SIMIX cond
- */
-void SIMIX_unregister_action_to_condition(smx_action_t action,
- smx_cond_t cond)
-{
- xbt_assert0((action != NULL) && (cond != NULL), "Invalid parameters");
-
- if (XBT_LOG_ISENABLED(simix_action, xbt_log_priority_debug))
- __SIMIX_cond_display_actions(cond);
-
- xbt_fifo_remove_all(cond->actions, action);
-
- if (XBT_LOG_ISENABLED(simix_action, xbt_log_priority_debug))
- __SIMIX_cond_display_actions(cond);
-
- if (XBT_LOG_ISENABLED(simix_action, xbt_log_priority_debug))
- __SIMIX_action_display_conditions(action);
-
- xbt_fifo_remove_all(action->cond_list, cond);
-
- if (XBT_LOG_ISENABLED(simix_action, xbt_log_priority_debug))
- __SIMIX_action_display_conditions(action);
-}
-
-/**
- * \brief Link an action to a semaphore
- *
- * When the action terminates, the semaphore gets signaled automatically.
- */
-XBT_INLINE void SIMIX_register_action_to_semaphore(smx_action_t action,
- smx_sem_t sem)
-{
-
- DEBUG2("Register action %p to semaphore %p (and otherwise)", action,
- sem);
- xbt_fifo_push(sem->actions, action);
- xbt_fifo_push(action->sem_list, sem);
-}
-
-/**
- * \brief Unset an action to a semaphore.
- *
- * Destroys the "links" from the semaphore to this action.
- */
-XBT_INLINE void SIMIX_unregister_action_to_semaphore(smx_action_t action,
- smx_sem_t sem)
-{
- xbt_fifo_remove_all(sem->actions, action);
- xbt_fifo_remove_all(action->sem_list, sem);
-}
-
-/**
- * \brief Return how much remais to be done in the action.
- *
- * \param action The SIMIX action
- * \return Remains cost
- */
-XBT_INLINE double SIMIX_action_get_remains(smx_action_t action)
-{
- xbt_assert0((action != NULL), "Invalid parameter");
- return surf_workstation_model->get_remains(action->surf_action);
-}
-
-#ifdef HAVE_LATENCY_BOUND_TRACKING
-XBT_INLINE int SIMIX_action_is_latency_bounded(smx_action_t action)
-{
- xbt_assert0((action != NULL), "Invalid parameter");
- return surf_workstation_model->get_latency_limited(action->surf_action);
-}
-#endif
-
-smx_action_t SIMIX_action_parallel_execute(char *name, int host_nb,
- smx_host_t * host_list,
- double *computation_amount,
- double *communication_amount,
- double amount, double rate)
-{
- void **workstation_list = NULL;
- smx_action_t act;
- int i;
-
- /* alloc structures */
- act = xbt_new0(s_smx_action_t, 1);
- act->cond_list = xbt_fifo_new();
- act->sem_list = xbt_fifo_new();
-
- /* initialize them */
- act->name = xbt_strdup(name);
-#ifdef HAVE_TRACING
- act->category = NULL;
-#endif
-
- /* set action */
-
- workstation_list = xbt_new0(void *, host_nb);
- for (i = 0; i < host_nb; i++)
- workstation_list[i] = host_list[i]->host;
-
- act->surf_action =
- surf_workstation_model->extension.workstation.
- execute_parallel_task(host_nb, workstation_list, computation_amount,
- communication_amount, amount, rate);
-
- surf_workstation_model->action_data_set(act->surf_action, act);
-
- return act;
-}
-
-XBT_INLINE e_surf_action_state_t SIMIX_action_get_state(smx_action_t
- action)
-{
- xbt_assert0((action != NULL), "Invalid parameter");
- return surf_workstation_model->action_state_get(action->surf_action);
-}
-
-void __SIMIX_cond_display_actions(smx_cond_t cond)
-{
- xbt_fifo_item_t item = NULL;
- smx_action_t action = NULL;
-
- DEBUG1("Actions for condition %p", cond);
- xbt_fifo_foreach(cond->actions, item, action, smx_action_t)
- DEBUG2("\t %p [%s]", action, action->name);
-}
-
-void __SIMIX_action_display_conditions(smx_action_t action)
-{
- xbt_fifo_item_t item = NULL;
- smx_cond_t cond = NULL;
-
- DEBUG1("Conditions for action %p", action);
- xbt_fifo_foreach(action->cond_list, item, cond, smx_cond_t)
- DEBUG1("\t %p", cond);
-}
-
-XBT_INLINE char *SIMIX_action_get_name(smx_action_t action)
-{
- xbt_assert0((action != NULL), "Invalid parameter");
- return action->name;
-}
-
-/** @brief Change the name of the action. Warning, the string you provide is not strdup()ed */
-XBT_INLINE void SIMIX_action_set_name(smx_action_t action, char *name)
-{
- xbt_free(action->name);
- action->name = name;
-}
-
-/** @brief broadcast any condition and release any semaphore including this action */
-void SIMIX_action_signal_all(smx_action_t action)
-{
- smx_cond_t cond;
- smx_sem_t sem;
-
- while ((cond = xbt_fifo_pop(action->cond_list)))
- SIMIX_cond_broadcast(cond);
-
- while ((sem = xbt_fifo_pop(action->sem_list)))
- SIMIX_sem_release(sem);
-}
