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/*
* Copyright (c) 2014-2018 Intel, Inc. All rights reserved.
* Copyright (c) 2014-2018 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2016-2018 Cisco Systems, Inc. All rights reserved
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*
* These symbols are in a file by themselves to provide nice linker
* semantics. Since linkers generally pull in symbols by object
* files, keeping these symbols as the only symbols in this file
* prevents utility programs such as "ompi_info" from having to import
* entire components just to query their version and parameters.
*/
#include "opal_config.h"
#include "opal/constants.h"
#include "opal/class/opal_list.h"
#include "opal/util/proc.h"
#include "opal/util/show_help.h"
#include "opal/mca/pmix/pmix.h"
#include "pmix1x.h"
/*
* Public string showing the pmix ext1x component version number
*/
const char *opal_pmix_ext1x_component_version_string =
"OPAL external pmix1.1.4 MCA component version " OPAL_VERSION;
/*
* Local function
*/
static int external_register(void);
static int external_open(void);
static int external_close(void);
static int external_component_query(mca_base_module_t **module, int *priority);
/*
* Local variable
*/
static char *pmix_library_version = NULL;
/*
* Instantiate the public struct with all of our public information
* and pointers to our public functions in it
*/
mca_pmix_ext1x_component_t mca_pmix_ext1x_component = {
{
/* First, the mca_component_t struct containing meta information
* about the component itself */
.base_version = {
/* Indicate that we are a pmix v1.1.0 component (which also
* implies a specific MCA version) */
OPAL_PMIX_BASE_VERSION_2_0_0,
/* Component name and version */
.mca_component_name = "ext1x",
MCA_BASE_MAKE_VERSION(component, OPAL_MAJOR_VERSION, OPAL_MINOR_VERSION,
OPAL_RELEASE_VERSION),
/* Component open and close functions */
.mca_open_component = external_open,
.mca_close_component = external_close,
.mca_query_component = external_component_query,
.mca_register_component_params = external_register
},
/* Next the MCA v1.0.0 component meta data */
.base_data = {
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
}
},
.native_launch = false
};
static int external_register(void)
{
mca_base_component_t *component = &mca_pmix_ext1x_component.super.base_version;
asprintf(&pmix_library_version, "PMIx library version %s", PMIx_Get_version());
(void) mca_base_component_var_register(component, "library_version",
"Version of the underlying PMIx library",
MCA_BASE_VAR_TYPE_STRING,
NULL, 0, 0,
OPAL_INFO_LVL_4,
MCA_BASE_VAR_SCOPE_CONSTANT,
&pmix_library_version);
return OPAL_SUCCESS;
}
static int external_open(void)
{
const char *version;
OBJ_CONSTRUCT(&mca_pmix_ext1x_component.jobids, opal_list_t);
OBJ_CONSTRUCT(&mca_pmix_ext1x_component.values, opal_list_t);
version = PMIx_Get_version();
if (0 != strncmp(version, "1.2", 3)) {
opal_show_help("help-pmix-base.txt",
"old-pmix", true, version, "v1.2");
return OPAL_ERROR;
}
return OPAL_SUCCESS;
}
static int external_close(void)
{
OPAL_LIST_DESTRUCT(&mca_pmix_ext1x_component.jobids);
OPAL_LIST_DESTRUCT(&mca_pmix_ext1x_component.values);
return OPAL_SUCCESS;
}
static int external_component_query(mca_base_module_t **module, int *priority)
{
char *t, *id;
/* see if a PMIx server is present */
if (NULL != (t = getenv("PMIX_SERVER_URI")) ||
NULL != (id = getenv("PMIX_ID"))) {
/* if PMIx is present, then we are a client and need to use it */
*priority = 100;
} else {
/* we could be a server, so we still need to be considered */
*priority = 5;
}
*module = (mca_base_module_t *)&opal_pmix_ext1x_module;
return OPAL_SUCCESS;
}
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