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/*
* Copyright (c) 2011 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/constants.h"
#include <pmi.h>
#if WANT_CRAY_PMI2_EXT
#include <pmi2.h>
#endif
#include "ompi/info/info.h"
#include "orte/mca/errmgr/errmgr.h"
#include "orte/util/name_fns.h"
#include "orte/runtime/orte_globals.h"
#include "ompi/mca/pubsub/base/base.h"
#include "pubsub_pmi.h"
/*
* Init the module
*/
static int init(void)
{
return OMPI_SUCCESS;
}
/*
* publish the port_name for the specified service_name.
*/
static int publish ( char *service_name, ompi_info_t *info, char *port_name )
{
int rc;
#if WANT_CRAY_PMI2_EXT
if (PMI_SUCCESS != (rc = PMI2_Nameserv_publish(service_name, NULL, port_name))) {
ORTE_PMI_ERROR(rc, "PMI2_Nameserv_publish");
return OMPI_ERROR;
}
#else
if (PMI_SUCCESS != (rc = PMI_Publish_name(service_name, port_name))) {
ORTE_PMI_ERROR(rc, "PMI_KVS_Publish_name");
return OMPI_ERROR;
}
#endif
return OMPI_SUCCESS;
}
static char* lookup ( char *service_name, ompi_info_t *info )
{
char *port=NULL;
int rc;
#if WANT_CRAY_PMI2_EXT
port = (char*)malloc(1024*sizeof(char)); /* arbitrary size */
if (PMI_SUCCESS != (rc = PMI2_Nameserv_lookup(service_name, NULL, port, 1024))) {
ORTE_PMI_ERROR(rc, "PMI2_Nameserv_lookup");
free(port);
return OMPI_ERROR;
}
#else
if (PMI_SUCCESS != (rc = PMI_Lookup_name(service_name, port))) {
ORTE_PMI_ERROR(rc, "PMI_Lookup_name");
return NULL;
}
#endif
return port;
}
/*
* delete the entry */
static int unpublish ( char *service_name, ompi_info_t *info )
{
int rc;
#if WANT_CRAY_PMI2_EXT
if (PMI_SUCCESS != (rc = PMI2_Nameserv_unpublish(service_name, NULL))) {
ORTE_PMI_ERROR(rc, "PMI2_Nameserv_unpublish");
return OMPI_ERROR;
}
#else
if (PMI_SUCCESS != (rc = PMI_Unpublish_name(service_name))) {
ORTE_PMI_ERROR(rc, "PMI_Unpublish_name");
return OMPI_ERROR;
}
#endif
return OMPI_SUCCESS;;
}
/*
* finalize the module
*/
static int finalize(void)
{
return OMPI_SUCCESS;
}
/*
* instantiate the module
*/
ompi_pubsub_base_module_t ompi_pubsub_pmi_module = {
init,
publish,
unpublish,
lookup,
finalize
};
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