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/*
* Copyright (c) 2004-2008 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.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "opal/mca/mca.h"
#include "opal/mca/base/base.h"
#include "orte/util/show_help.h"
#include "opal/mca/base/mca_base_param.h"
#include "ompi/mca/crcp/crcp.h"
#include "ompi/mca/crcp/base/base.h"
static ompi_crcp_base_component_t none_component = {
/* Handle the general mca_component_t struct containing
* meta information about the component itself
*/
{
OMPI_CRCP_BASE_VERSION_2_0_0,
/* Component name and version */
"none",
OMPI_MAJOR_VERSION,
OMPI_MINOR_VERSION,
OMPI_RELEASE_VERSION,
/* Component open and close functions */
ompi_crcp_base_none_open,
ompi_crcp_base_none_close,
ompi_crcp_base_none_query
},
{
/* Component is checkpointable */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
/* Verbosity level */
0,
/* opal_output handler */
-1,
/* Default priority */
1
};
static ompi_crcp_base_module_t none_module = {
/** Initialization Function */
ompi_crcp_base_module_init,
/** Finalization Function */
ompi_crcp_base_module_finalize,
/** PML Wrapper */
ompi_crcp_base_none_pml_enable,
ompi_crcp_base_none_pml_add_comm,
ompi_crcp_base_none_pml_del_comm,
ompi_crcp_base_none_pml_add_procs,
ompi_crcp_base_none_pml_del_procs,
ompi_crcp_base_none_pml_progress,
ompi_crcp_base_none_pml_iprobe,
ompi_crcp_base_none_pml_probe,
ompi_crcp_base_none_pml_isend_init,
ompi_crcp_base_none_pml_isend,
ompi_crcp_base_none_pml_send,
ompi_crcp_base_none_pml_irecv_init,
ompi_crcp_base_none_pml_irecv,
ompi_crcp_base_none_pml_recv,
ompi_crcp_base_none_pml_dump,
ompi_crcp_base_none_pml_start,
ompi_crcp_base_none_pml_ft_event,
/** Request Wrapper */
ompi_crcp_base_none_request_complete,
/** BTL Wrapper */
ompi_crcp_base_none_btl_add_procs,
ompi_crcp_base_none_btl_del_procs,
ompi_crcp_base_none_btl_register,
ompi_crcp_base_none_btl_finalize,
ompi_crcp_base_none_btl_alloc,
ompi_crcp_base_none_btl_free,
ompi_crcp_base_none_btl_prepare_src,
ompi_crcp_base_none_btl_prepare_dst,
ompi_crcp_base_none_btl_send,
ompi_crcp_base_none_btl_put,
ompi_crcp_base_none_btl_get,
ompi_crcp_base_none_btl_dump,
ompi_crcp_base_none_btl_ft_event
};
int ompi_crcp_base_select(void)
{
int ret, exit_status = OMPI_SUCCESS;
ompi_crcp_base_component_t *best_component = NULL;
ompi_crcp_base_module_t *best_module = NULL;
char *include_list = NULL;
/*
* Register the framework MCA param and look up include list
*/
mca_base_param_reg_string_name("crcp", NULL,
"Which CRCP component to use (empty = auto-select)",
false, false,
strdup("none"), &include_list);
if(NULL != include_list && 0 == strncmp(include_list, "none", strlen("none")) ){
opal_output_verbose(10, ompi_crcp_base_output,
"crcp:select: Using %s component",
include_list);
best_component = &none_component;
best_module = &none_module;
/* JJH: Todo: Check if none is in the list */
/* Close all components since none will be used */
mca_base_components_close(0, /* Pass 0 to keep this from closing the output handle */
&ompi_crcp_base_components_available,
NULL);
goto skip_select;
}
/*
* Select the best component
*/
if( OPAL_SUCCESS != mca_base_select("crcp", ompi_crcp_base_output,
&ompi_crcp_base_components_available,
(mca_base_module_t **) &best_module,
(mca_base_component_t **) &best_component) ) {
/* This will only happen if no component was selected */
exit_status = OMPI_ERROR;
goto cleanup;
}
skip_select:
/* Save the winner */
ompi_crcp_base_selected_component = *best_component;
ompi_crcp = *best_module;
/* Initialize the winner */
if (NULL != best_module) {
if (OPAL_SUCCESS != (ret = ompi_crcp.crcp_init()) ) {
exit_status = ret;
goto cleanup;
}
}
cleanup:
if( NULL != include_list ) {
free(include_list);
include_list = NULL;
}
return exit_status;
}
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