X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c6367952505ec169142f91d8e97fddb9eaa0cc5a..dfd2d504ff4c0c01f9a9e548cd616d1befbf465a:/src/simix/smx_action.c diff --git a/src/simix/smx_action.c b/src/simix/smx_action.c index 540c5f7bb6..8be0ef261b 100644 --- a/src/simix/smx_action.c +++ b/src/simix/smx_action.c @@ -8,34 +8,330 @@ #include "private.h" #include "xbt/log.h" +#include "xbt/ex.h" XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_action, simix, - "Logging specific to SIMIX (action)"); + "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; + smx_simdata_action_t simdata; + + /* 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 */ + act = xbt_new0(s_smx_action_t, 1); + act->simdata = xbt_new0(s_smx_simdata_action_t, 1); + 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); + + DEBUG1("Create communicate action %p", act); + return act; +} -smx_action_t SIMIX_communicate(smx_host_t sender,smx_host_t receiver, double size) +/** \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) { - return xbt_new0(s_smx_action_t,1); + smx_action_t act; + smx_simdata_action_t simdata; + + /* 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 */ + act = xbt_new0(s_smx_action_t, 1); + act->simdata = xbt_new0(s_smx_simdata_action_t, 1); + 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); + + 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,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) { - return xbt_new0(s_smx_action_t,1); + char name[] = "sleep"; + smx_simdata_action_t simdata; + smx_action_t act; + + /* 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 */ + act = xbt_new0(s_smx_action_t, 1); + act->simdata = xbt_new0(s_smx_simdata_action_t, 1); + 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; } -SIMIX_error_t SIMIX_action_cancel(smx_action_t action) +/** + * \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"); - return SIMIX_OK; + 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) { - return; + xbt_assert0((action != NULL) + && (action->simdata != NULL), "Invalid parameter"); + + surf_workstation_model->common_public->set_priority(action->simdata-> + surf_action, priority); + return; } -SIMIX_error_t SIMIX_action_destroy(smx_action_t action) +/** + * \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) { - return SIMIX_OK; + 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"); + + 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); +} + +/** + * \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"); + + __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); +} + +/** + * \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; +} + +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_simdata_action_t simdata; + smx_action_t act; + int i; + + /* alloc structures */ + act = xbt_new0(s_smx_action_t, 1); + act->simdata = xbt_new0(s_smx_simdata_action_t, 1); + 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); + +} + +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); }