openmpi/orte/mca/grpcomm/base/grpcomm_base_open.c

/*
 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
 *                         University Research and Technology
 *                         Corporation.  All rights reserved.
 * Copyright (c) 2004-2005 The University of Tennessee and The University
 *                         of Tennessee Research Foundation.  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.
 * $COPYRIGHT$
 *
 * Additional copyrights may follow
 *
 * $HEADER$
 */


#include "orte_config.h"
#include "orte/orte_constants.h"

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

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


/*
 * The following file was created by configure.  It contains extern
 * statements and the definition of an array of pointers to each
 * component's public mca_base_component_t struct.
 */

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

/*
 * Global variables
 */
int orte_grpcomm_base_output = -1;
bool mca_grpcomm_base_selected;
orte_grpcomm_base_module_t orte_grpcomm;
opal_list_t mca_grpcomm_base_components_available;
orte_grpcomm_base_component_t mca_grpcomm_base_selected_component;



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

    /* Debugging / verbose output */
    mca_base_param_reg_int_name("grpcomm", "base_verbose",
                                "Verbosity level for the grpcomm framework",
                                false, false, 0, &value);
    if (value != 0) {
        orte_grpcomm_base_output = opal_output_open(NULL);
    } else {
        orte_grpcomm_base_output = -1;
    }
    
    /* Open up all available components */

    if (ORTE_SUCCESS !=
        mca_base_components_open("grpcomm", orte_grpcomm_base_output,
                                 mca_grpcomm_base_static_components,
                                 &mca_grpcomm_base_components_available, true)) {
        return ORTE_ERROR;
    }

    /* All done */

    return ORTE_SUCCESS;
}