147 строки
5.2 KiB
C
147 строки
5.2 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2004-2007 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) 2004-2005 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) 2013 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2015 Intel, Inc. All rights 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 "ompi_config.h"
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#include <stdio.h>
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#include "opal/class/opal_list.h"
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#include "opal/mca/pmix/pmix.h"
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#include "ompi/mpi/c/bindings.h"
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#include "ompi/runtime/params.h"
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#include "ompi/errhandler/errhandler.h"
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#include "ompi/info/info.h"
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#include "ompi/communicator/communicator.h"
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#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Publish_name = PMPI_Publish_name
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#endif
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#if OMPI_PROFILING_DEFINES
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#include "ompi/mpi/c/profile/defines.h"
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#endif
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static const char FUNC_NAME[] = "MPI_Publish_name";
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int MPI_Publish_name(const char *service_name, MPI_Info info,
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const char *port_name)
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{
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int rc;
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char range[OPAL_MAX_INFO_VAL];
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int flag=0;
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opal_pmix_data_range_t rng;
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bool range_given = false;
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opal_pmix_persistence_t persist;
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bool persistence_given = false;
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opal_list_t values;
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opal_value_t *pinfo;
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if ( MPI_PARAM_CHECK ) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if ( NULL == port_name || 0 == strlen(port_name) ) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
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FUNC_NAME);
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}
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if ( NULL == service_name || 0 == strlen(service_name) ) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
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FUNC_NAME);
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}
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if (NULL == info || ompi_info_is_freed(info)) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
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FUNC_NAME);
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}
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}
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OPAL_CR_ENTER_LIBRARY();
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/* OMPI supports info keys to pass the range and persistence to
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* be used for the given key */
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if (MPI_INFO_NULL != info) {
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ompi_info_get (info, "range", sizeof(range) - 1, range, &flag);
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if (flag) {
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range_given = true;
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if (0 == strcmp(range, "nspace")) {
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rng = OPAL_PMIX_NAMESPACE; // share only with procs in same nspace
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} else if (0 == strcmp(range, "session")) {
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rng = OPAL_PMIX_SESSION; // share only with procs in same session
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} else {
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/* unrecognized range */
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
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FUNC_NAME);
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}
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}
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ompi_info_get (info, "persistence", sizeof(range) - 1, range, &flag);
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if (flag) {
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persistence_given = true;
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if (0 == strcmp(range, "indef")) {
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persist = OPAL_PMIX_PERSIST_INDEF; // retain until specifically deleted
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} else if (0 == strcmp(range, "proc")) {
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persist = OPAL_PMIX_PERSIST_PROC; // retain until publishing process terminates
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} else if (0 == strcmp(range, "app")) {
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persist = OPAL_PMIX_PERSIST_APP; // retain until application terminates
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} else if (0 == strcmp(range, "session")) {
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persist = OPAL_PMIX_PERSIST_SESSION; // retain until session/allocation terminates
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} else {
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/* unrecognized persistence */
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
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FUNC_NAME);
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}
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}
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}
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if (!range_given) {
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/* default to nspace */
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rng = OPAL_PMIX_NAMESPACE;
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}
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if (!persistence_given) {
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persist = OPAL_PMIX_PERSIST_APP;
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}
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/* publish the values */
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OBJ_CONSTRUCT(&values, opal_list_t);
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pinfo = OBJ_NEW(opal_value_t);
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pinfo->key = strdup(service_name);
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pinfo->type = OPAL_STRING;
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pinfo->data.string = strdup(port_name);
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opal_list_append(&values, &pinfo->super);
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rc = opal_pmix.publish(rng, persist, &values);
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OPAL_LIST_DESTRUCT(&values);
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OPAL_CR_EXIT_LIBRARY();
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if ( OPAL_SUCCESS != rc ) {
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if (OPAL_EXISTS == rc) {
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/* already exists - can't publish it */
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_FILE_EXISTS,
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FUNC_NAME);
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}
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/* none of the MPI-specific errors occurred - must be some
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* kind of internal error
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*/
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INTERN,
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FUNC_NAME);
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}
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return MPI_SUCCESS;
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}
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