956aab03a7
Refs trac:4184 This commit was SVN r30433. The following Trac tickets were found above: Ticket 4184 --> https://svn.open-mpi.org/trac/ompi/ticket/4184
134 строки
5.3 KiB
C
134 строки
5.3 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2006 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2012-2013 Los Alamos National Security, LLC. All rights
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* reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "orte_config.h"
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#include "orte/constants.h"
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#include <stdio.h>
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#include <string.h>
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#include "opal/mca/mca.h"
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#include "opal/util/output.h"
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#include "opal/mca/base/base.h"
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#include "orte/runtime/orte_globals.h"
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#include "orte/mca/oob/oob.h"
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#include "orte/mca/oob/base/base.h"
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/**
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* Function for selecting all runnable modules from those that are
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* available.
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*
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* Call the init function on all available modules.
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*/
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int orte_oob_base_select(void)
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{
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mca_base_component_list_item_t *cli, *cmp, *c2;
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mca_oob_base_component_t *component, *c3;
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bool added;
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int i;
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/* Query all available components and ask if their transport is available */
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OPAL_LIST_FOREACH(cli, &orte_oob_base_framework.framework_components, mca_base_component_list_item_t) {
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component = (mca_oob_base_component_t *) cli->cli_component;
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opal_output_verbose(5, orte_oob_base_framework.framework_output,
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"mca:oob:select: checking available component %s",
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component->oob_base.mca_component_name);
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/* If there's no query function, skip it */
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if (NULL == component->available) {
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opal_output_verbose(5, orte_oob_base_framework.framework_output,
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"mca:oob:select: Skipping component [%s]. It does not implement a query function",
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component->oob_base.mca_component_name );
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continue;
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}
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/* Query the component */
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opal_output_verbose(5, orte_oob_base_framework.framework_output,
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"mca:oob:select: Querying component [%s]",
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component->oob_base.mca_component_name);
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/* If the component is not available, then skip it as
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* it has no available interfaces
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*/
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if (!component->available()) {
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opal_output_verbose(5, orte_oob_base_framework.framework_output,
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"mca:oob:select: Skipping component [%s] - no available interfaces",
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component->oob_base.mca_component_name );
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continue;
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}
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/* if it fails to startup, then skip it */
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if (ORTE_SUCCESS != component->startup()) {
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opal_output_verbose(5, orte_oob_base_framework.framework_output,
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"mca:oob:select: Skipping component [%s] - failed to startup",
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component->oob_base.mca_component_name );
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continue;
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}
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/* record it, but maintain priority order */
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added = false;
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OPAL_LIST_FOREACH(cmp, &orte_oob_base.actives, mca_base_component_list_item_t) {
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c3 = (mca_oob_base_component_t *) cmp->cli_component;
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if (c3->priority < component->priority) {
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continue;
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}
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opal_output_verbose(5, orte_oob_base_framework.framework_output,
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"mca:oob:select: Inserting component");
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c2 = OBJ_NEW(mca_base_component_list_item_t);
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c2->cli_component = (mca_base_component_t*)component;
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opal_list_insert_pos(&orte_oob_base.actives,
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&cmp->super, &c2->super);
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added = true;
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break;
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}
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if (!added) {
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/* add to end */
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opal_output_verbose(5, orte_oob_base_framework.framework_output,
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"mca:oob:select: Adding component to end");
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c2 = OBJ_NEW(mca_base_component_list_item_t);
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c2->cli_component = (mca_base_component_t*)component;
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opal_list_append(&orte_oob_base.actives, &c2->super);
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}
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}
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if (0 == opal_list_get_size(&orte_oob_base.actives)) {
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/* no support available means we really cannot run */
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opal_output_verbose(5, orte_oob_base_framework.framework_output,
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"mca:oob:select: Init failed to return any available transports");
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return ORTE_ERR_NOT_AVAILABLE;
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}
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/* provide them an index so we can track their usability in a bitmap */
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i=0;
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OPAL_LIST_FOREACH(cmp, &orte_oob_base.actives, mca_base_component_list_item_t) {
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c3 = (mca_oob_base_component_t *) cmp->cli_component;
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c3->idx = i++;
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}
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opal_output_verbose(5, orte_oob_base_framework.framework_output,
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"mca:oob:select: Found %d active transports",
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(int)opal_list_get_size(&orte_oob_base.actives));
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return ORTE_SUCCESS;
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}
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