/*
 * Copyright (c) 2004-2009 The Trustees of Indiana University.
 *                         All rights reserved.
 * Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
 *                         All rights reserved.
 * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, 
 *                         University of Stuttgart.  All rights reserved.
 * Copyright (c) 2004-2005 The Regents of the University of California.
 *                         All rights reserved.
 * Copyright (c) 2012      Los Alamos National Security, LLC.
 *                         All rights reserved
 * $COPYRIGHT$
 * 
 * Additional copyrights may follow
 * 
 * $HEADER$
 */

#include "orte_config.h"

#include "orte/constants.h"
#include "opal/mca/mca.h"
#include "opal/util/output.h"
#include "opal/mca/base/base.h"

#include "opal/mca/base/mca_base_param.h"

#include "orte/mca/filem/filem.h"
#include "orte/mca/filem/base/base.h"

#include "orte/mca/filem/base/static-components.h"

/*
 * Globals
 */
ORTE_DECLSPEC int  orte_filem_base_output  = -1;
ORTE_DECLSPEC orte_filem_base_module_t orte_filem = {
    orte_filem_base_module_init,
    orte_filem_base_module_finalize,
    orte_filem_base_none_put,
    orte_filem_base_none_put_nb,
    orte_filem_base_none_get,
    orte_filem_base_none_get_nb,
    orte_filem_base_none_rm,
    orte_filem_base_none_rm_nb,
    orte_filem_base_none_wait,
    orte_filem_base_none_wait_all,
    orte_filem_base_none_preposition_files,
    orte_filem_base_none_link_local_files
};
opal_list_t orte_filem_base_components_available;
orte_filem_base_component_t orte_filem_base_selected_component;
bool orte_filem_base_is_active = false;

/**
 * Function for finding and opening either all MCA components,
 * or the one that was specifically requested via a MCA parameter.
 */
int orte_filem_base_open(void)
{
    orte_filem_base_output = opal_output_open(NULL);

    orte_filem_base_is_active = false;

    /* Open up all available components */
    if (OPAL_SUCCESS !=
        mca_base_components_open("filem", 
                                 orte_filem_base_output, 
                                 mca_filem_base_static_components,
                                 &orte_filem_base_components_available,
                                 true)) {
        return ORTE_ERROR;
    }
    
    return ORTE_SUCCESS;
}