#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, char *name,
+ double size, double rate)
+{
+ /* check if the host is active */
+ if (surf_workstation_model->extension_public->
+ get_state(sender->simdata->host) != SURF_CPU_ON) {
+ THROW1(network_error, 0,
+ "Host %s failed, you cannot call this function", sender->name);
+ }
+ if (surf_workstation_model->extension_public->
+ get_state(receiver->simdata->host) != SURF_CPU_ON) {
+ THROW1(network_error, 0,
+ "Host %s failed, you cannot call this function",
+ receiver->name);
+ }
+
+ /* alloc structures */
+ smx_action_t act = xbt_new0(s_smx_action_t, 1);
+ act->simdata = xbt_new0(s_smx_simdata_action_t, 1);
+ smx_simdata_action_t simdata = act->simdata;
+ act->cond_list = xbt_fifo_new();
+
+ /* initialize them */
+ act->name = xbt_strdup(name);
+ simdata->source = sender;
+
+
+ simdata->surf_action = surf_workstation_model->extension_public->
+ communicate(sender->simdata->host,
+ receiver->simdata->host, size, rate);
+ surf_workstation_model->common_public->action_set_data(simdata->
+ surf_action,
+ act);
-smx_action_t SIMIX_communicate(smx_host_t sender,smx_host_t receiver,char * name, double size, double rate)
+ 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, char *name,
+ double amount)
{
+ /* check if the host is active */
+ if (surf_workstation_model->extension_public->
+ get_state(host->simdata->host) != SURF_CPU_ON) {
+ THROW1(host_error, 0, "Host %s failed, you cannot call this function",
+ host->name);
+ }
+
+ /* alloc structures */
+ smx_action_t act = xbt_new0(s_smx_action_t, 1);
+ act->simdata = xbt_new0(s_smx_simdata_action_t, 1);
+ smx_simdata_action_t simdata = act->simdata;
+ act->cond_list = xbt_fifo_new();
+
+ /* initialize them */
+ simdata->source = host;
+ act->name = xbt_strdup(name);
+
+ /* set communication */
+ simdata->surf_action = surf_workstation_model->extension_public->
+ execute(host->simdata->host, amount);
- /* alloc structures */
- smx_action_t act = xbt_new0(s_smx_action_t,1);
- act->simdata = xbt_new0(s_simdata_action_t,1);
- simdata_action_t simdata = act->simdata;
- simdata->cond_list = xbt_fifo_new();
-
- /* initialize them */
- act->name = xbt_strdup(name);
- simdata->action_block=0;
- simdata->cond_process=NULL;
- simdata->timeout_cond = NULL;
-
-
- simdata->surf_action = surf_workstation_resource->extension_public->
- communicate(sender->simdata->host,
- receiver->simdata->host, size, rate);
- surf_workstation_resource->common_public->action_set_data(simdata->surf_action,act);
-
- return act;
+ surf_workstation_model->common_public->action_set_data(simdata->
+ surf_action,
+ act);
+
+ DEBUG1("Create execute action %p", act);
+ return act;
}
-smx_action_t SIMIX_execute(smx_host_t host, char * name, double amount)
+/** \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)
{
- CHECK_HOST();
- /* alloc structures */
- smx_action_t act = xbt_new0(s_smx_action_t,1);
- act->simdata = xbt_new0(s_simdata_action_t,1);
- simdata_action_t simdata = act->simdata;
- simdata->cond_list = xbt_fifo_new();
-
- /* initialize them */
- simdata->source = host;
- act-> name = xbt_strdup(name);
- simdata->action_block=0;
- simdata->cond_process=NULL;
- simdata->timeout_cond = NULL;
-
- /* set communication */
- simdata->surf_action = surf_workstation_resource->extension_public->
- execute(host->simdata->host, amount);
-
- surf_workstation_resource->common_public->action_set_data(simdata->surf_action,act);
-
- return act;
+ char name[] = "sleep";
+
+ /* check if the host is active */
+ if (surf_workstation_model->extension_public->
+ get_state(host->simdata->host) != SURF_CPU_ON) {
+ THROW1(host_error, 0, "Host %s failed, you cannot call this function",
+ host->name);
+ }
+
+ /* alloc structures */
+ smx_action_t act = xbt_new0(s_smx_action_t, 1);
+ act->simdata = xbt_new0(s_smx_simdata_action_t, 1);
+ smx_simdata_action_t simdata = act->simdata;
+ act->cond_list = xbt_fifo_new();
+
+ /* initialize them */
+ simdata->source = host;
+ act->name = xbt_strdup(name);
+
+ simdata->surf_action = surf_workstation_model->extension_public->
+ sleep(host->simdata->host, duration);
+
+ surf_workstation_model->common_public->action_set_data(simdata->
+ 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
+ */
void SIMIX_action_cancel(smx_action_t action)
{
xbt_assert0((action != NULL), "Invalid parameter");
- if(action->simdata->surf_action) {
- surf_workstation_resource->common_public->action_cancel(action->simdata->surf_action);
+ DEBUG1("Cancel action %p", action);
+ if (action->simdata->surf_action) {
+ surf_workstation_model->common_public->action_cancel(action->
+ simdata->
+ 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
+ */
void SIMIX_action_set_priority(smx_action_t action, double priority)
{
- xbt_assert0( (action != NULL) && (action->simdata != NULL), "Invalid parameter" );
+ xbt_assert0((action != NULL)
+ && (action->simdata != NULL), "Invalid parameter");
- surf_workstation_resource->common_public->
- set_priority(action->simdata->surf_action, priority);
- return;
+ surf_workstation_model->common_public->
+ set_priority(action->simdata->surf_action, priority);
+ 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
+ */
void SIMIX_action_destroy(smx_action_t action)
{
+ xbt_assert0((action != NULL), "Invalid parameter");
+
+ 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));
+
+ DEBUG1("Destroy action %p", action);
+ if (action->name)
+ xbt_free(action->name);
+
+ xbt_fifo_free(action->cond_list);
+
+ if (action->simdata->surf_action)
+ action->simdata->surf_action->model_type->common_public->
+ action_free(action->simdata->surf_action);
+
+ xbt_free(action->simdata);
+ xbt_free(action);
+ 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");
- xbt_assert0((action != NULL), "Invalid parameter");
+ DEBUG2("Register action %p to cond %p", action, cond);
+ __SIMIX_cond_display_actions(cond);
+ xbt_fifo_push(cond->actions, action);
+ __SIMIX_cond_display_actions(cond);
+ DEBUG2("Register condition %p to action %p", cond, action);
+ __SIMIX_action_display_conditions(action);
+ xbt_fifo_push(action->cond_list, cond);
+ __SIMIX_action_display_conditions(action);
+}
- xbt_assert1((xbt_fifo_size(action->simdata->cond_list)==0),
- "Conditional list not empty %d. There is a problem. Cannot destroy it now!", xbt_fifo_size(action->simdata->cond_list));
+/**
+ * \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(action->name) free(action->name);
+ __SIMIX_cond_display_actions(cond);
+ xbt_fifo_remove_all(cond->actions, action);
+ __SIMIX_cond_display_actions(cond);
+ __SIMIX_action_display_conditions(action);
+ xbt_fifo_remove_all(action->cond_list, cond);
+ __SIMIX_action_display_conditions(action);
+}
- xbt_fifo_free(action->simdata->cond_list);
+/**
+ * \brief Return how much remais to be done in the action.
+ *
+ * \param action The SIMIX action
+ * \return Remains cost
+ */
+double SIMIX_action_get_remains(smx_action_t action)
+{
+ xbt_assert0((action != NULL), "Invalid parameter");
+ return action->simdata->surf_action->remains;
+}
- if(action->simdata->surf_action)
- action->simdata->surf_action->resource_type->common_public->action_free(action->simdata->surf_action);
+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;
+ int i;
+
+ /* alloc structures */
+ smx_action_t act = xbt_new0(s_smx_action_t, 1);
+ act->simdata = xbt_new0(s_smx_simdata_action_t, 1);
+ smx_simdata_action_t simdata = act->simdata;
+ act->cond_list = xbt_fifo_new();
+
+ /* initialize them */
+ act->name = xbt_strdup(name);
+
+ /* set action */
+
+ workstation_list = xbt_new0(void *,host_nb);
+ for (i = 0; i < host_nb; i++)
+ workstation_list[i] = host_list[i]->simdata->host;
+
+ simdata->surf_action =
+ surf_workstation_model->extension_public->
+ execute_parallel_task(host_nb, workstation_list,
+ computation_amount, communication_amount,
+ amount, rate);
+
+ surf_workstation_model->common_public->action_set_data(simdata->
+ surf_action,
+ act);
+
+ return act;
+}
+
+e_surf_action_state_t SIMIX_action_get_state(smx_action_t action)
+{
+ xbt_assert0((action != NULL), "Invalid parameter");
+ return surf_workstation_model->common_public->
+ action_get_state(action->simdata->surf_action);
- return;
}
-void SIMIX_register_action_to_condition(smx_action_t action, smx_cond_t cond)
+void __SIMIX_cond_display_actions(smx_cond_t cond)
{
- xbt_assert0( (action != NULL) && (cond != NULL), "Invalid parameters");
+ xbt_fifo_item_t item = NULL;
+ smx_action_t action = NULL;
- xbt_fifo_push(cond->actions,action);
+ DEBUG1("Actions for condition %p", cond);
+ xbt_fifo_foreach(cond->actions, item, action, smx_action_t)
+ DEBUG1("\t %p", action);
}
-void __SIMIX_wait_for_action(smx_process_t process, smx_action_t action)
+void __SIMIX_action_display_conditions(smx_action_t action)
{
- e_surf_action_state_t state = SURF_ACTION_NOT_IN_THE_SYSTEM;
- simdata_action_t simdata = action->simdata;
-
- xbt_assert0(((process != NULL) && (action != NULL) && (action->simdata != NULL)), "Invalid parameters");
-
- /* change context while the action is running */
- do {
- xbt_context_yield();
- state=surf_workstation_resource->common_public->action_get_state(simdata->surf_action);
- } while (state==SURF_ACTION_RUNNING);
-
- /* action finished, we can continue */
-
- if(state == SURF_ACTION_DONE) {
- if(surf_workstation_resource->common_public->action_free(simdata->surf_action))
- simdata->surf_action = NULL;
- } else if(surf_workstation_resource->extension_public->
- get_state(SIMIX_process_get_host(process)->simdata->host)
- == SURF_CPU_OFF) {
- if(surf_workstation_resource->common_public->action_free(simdata->surf_action))
- simdata->surf_action = NULL;
- } else {
- if(surf_workstation_resource->common_public->action_free(simdata->surf_action))
- simdata->surf_action = NULL;
- }
- return;
+ 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);
}
