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/*
* Copyright (c) 2004-2008 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 (c) 2009 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2014-2015 Intel, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "orte_config.h"
#include <string.h>
#include "orte/mca/mca.h"
#include "opal/mca/base/base.h"
#include "opal/util/argv.h"
#include "opal/util/output.h"
#include "opal/class/opal_pointer_array.h"
#include "orte/mca/notifier/base/base.h"
/* Global variables */
/*
* orte_notifier_base_selected is set to true if at least 1 module has
* been selected for the notifier log API interface.
*/
static bool orte_notifier_base_selected = false;
/**
* Function for weeding out notifier components that don't want to run.
*
* Call the init function on all available compoenent to find out if
* they want to run. Select all components that don't fail. Failing
* Components will be closed and unloaded. The selected modules will
* be returned to the called in a opal_list_t.
*/
int orte_notifier_base_select(void)
{
mca_base_component_list_item_t *cli = NULL;
orte_notifier_base_component_t *component = NULL;
mca_base_module_t *module = NULL;
int priority;
orte_notifier_active_module_t *tmp_module;
orte_notifier_base_module_t *bmod;
if (orte_notifier_base_selected) {
return ORTE_SUCCESS;
}
orte_notifier_base_selected = true;
opal_output_verbose(10, orte_notifier_base_framework.framework_output,
"notifier:base:select: Auto-selecting components");
/*
* Traverse the list of available components.
* For each call their 'query' functions to see if they are available.
*/
OPAL_LIST_FOREACH(cli, &orte_notifier_base_framework.framework_components, mca_base_component_list_item_t) {
component = (orte_notifier_base_component_t *) cli->cli_component;
/*
* If there is a query function then use it.
*/
if (NULL == component->base_version.mca_query_component) {
opal_output_verbose(5, orte_notifier_base_framework.framework_output,
"notifier:base:select Skipping component [%s]. It does not implement a query function",
component->base_version.mca_component_name );
continue;
}
/*
* Query this component for the module and priority
*/
opal_output_verbose(5, orte_notifier_base_framework.framework_output,
"notifier:base:select Querying component [%s]",
component->base_version.mca_component_name);
component->base_version.mca_query_component(&module, &priority);
/*
* If no module was returned or negative priority, then skip component
*/
if (NULL == module || priority < 0) {
opal_output_verbose(5, orte_notifier_base_framework.framework_output,
"notifier:base:select Skipping component [%s]. Query failed to return a module",
component->base_version.mca_component_name );
continue;
}
bmod = (orte_notifier_base_module_t*)module;
/* see if it can be init'd */
if (NULL != bmod->init) {
opal_output_verbose(5, orte_notifier_base_framework.framework_output,
"notifier:base:init module called with priority [%s] %d",
component->base_version.mca_component_name, priority);
if (ORTE_SUCCESS != bmod->init()) {
continue;
}
}
/*
* Append them to the list
*/
opal_output_verbose(5, orte_notifier_base_framework.framework_output,
"notifier:base:select adding component [%s]",
component->base_version.mca_component_name);
tmp_module = OBJ_NEW(orte_notifier_active_module_t);
tmp_module->component = component;
tmp_module->module = (orte_notifier_base_module_t*)module;
opal_list_append(&orte_notifier_base.modules, (void*)tmp_module);
}
return ORTE_SUCCESS;
}
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