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/*
* Copyright (c) 2004-2010 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2011 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) 2006-2013 Los Alamos National Security, LLC.
* All rights reserved.
* Copyright (c) 2009-2012 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2011 Oak Ridge National Labs. All rights reserved.
* Copyright (c) 2013-2020 Intel, Inc. All rights reserved.
* Copyright (c) 2015 Mellanox Technologies, Inc. All rights reserved.
* Copyright (c) 2019 IBM Corporation. All rights reserved.
* Copyright (c) 2021 Nanook Consulting. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*
*/
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <pmix.h>
#include "examples.h"
int main(int argc, char **argv)
{
pmix_proc_t myproc;
int rc;
pmix_value_t *val = NULL;
pmix_proc_t proc;
uint32_t nprocs;
pmix_info_t *info;
pmix_pdata_t *pdata;
size_t n;
EXAMPLES_HIDE_UNUSED_PARAMS(argc, argv);
/* init us */
if (PMIX_SUCCESS != (rc = PMIx_Init(&myproc, NULL, 0))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Init failed: %d\n", myproc.nspace, myproc.rank,
rc);
exit(0);
}
fprintf(stderr, "Client ns %s rank %d: Running\n", myproc.nspace, myproc.rank);
/* get our universe size */
PMIX_PROC_CONSTRUCT(&proc);
PMIX_LOAD_PROCID(&proc, myproc.nspace, PMIX_RANK_WILDCARD);
if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_UNIV_SIZE, NULL, 0, &val))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Get universe size failed: %d\n", myproc.nspace,
myproc.rank, rc);
goto done;
}
nprocs = val->data.uint32;
PMIX_VALUE_RELEASE(val);
fprintf(stderr, "Client %s:%d universe size %d\n", myproc.nspace, myproc.rank, nprocs);
/* publish something */
if (0 == myproc.rank) {
fprintf(stderr, "%s:%d publishing two keys\n", myproc.nspace, myproc.rank);
PMIX_INFO_CREATE(info, 2);
(void) strncpy(info[0].key, "FOOBAR", PMIX_MAX_KEYLEN);
info[0].value.type = PMIX_UINT8;
info[0].value.data.uint8 = 1;
(void) strncpy(info[1].key, "PANDA", PMIX_MAX_KEYLEN);
info[1].value.type = PMIX_SIZE;
info[1].value.data.size = 123456;
if (PMIX_SUCCESS != (rc = PMIx_Publish(info, 2))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Publish failed: %d\n", myproc.nspace,
myproc.rank, rc);
goto done;
}
fprintf(stderr, "%s:%d publish complete\n", myproc.nspace, myproc.rank);
PMIX_INFO_FREE(info, 2);
}
/* lookup something */
if (0 != myproc.rank) {
PMIX_PDATA_CREATE(pdata, 2);
fprintf(stderr, "%s:%d looking up key FOOBAR\n", myproc.nspace, myproc.rank);
(void) strncpy(pdata[0].key, "FOOBAR", PMIX_MAX_KEYLEN);
(void) strncpy(pdata[1].key, "PANDA", PMIX_MAX_KEYLEN);
PMIX_INFO_CREATE(info, 1);
rc = 0;
PMIX_INFO_LOAD(&info[0], PMIX_WAIT, &rc, PMIX_INT);
if (PMIX_SUCCESS != (rc = PMIx_Lookup(pdata, 2, info, 1))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Lookup failed: %d\n", myproc.nspace,
myproc.rank, rc);
goto done;
}
PMIX_INFO_FREE(info, 1);
/* check the return for value and source */
for (n = 0; n < 2; n++) {
if (0 != strncmp(myproc.nspace, pdata[n].proc.nspace, PMIX_MAX_NSLEN)) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Lookup returned wrong nspace: %s\n",
myproc.nspace, myproc.rank, pdata[n].proc.nspace);
goto done;
}
if (0 != pdata[n].proc.rank) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Lookup returned wrong rank: %d\n",
myproc.nspace, myproc.rank, pdata[n].proc.rank);
goto done;
}
}
if (PMIX_UINT8 != pdata[0].value.type) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Lookup returned wrong type: %d\n",
myproc.nspace, myproc.rank, pdata[0].value.type);
goto done;
}
if (1 != pdata[0].value.data.uint8) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Lookup returned wrong value: %d\n",
myproc.nspace, myproc.rank, (int) pdata[0].value.data.uint8);
goto done;
}
if (PMIX_SIZE != pdata[1].value.type) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Lookup returned wrong type: %d\n",
myproc.nspace, myproc.rank, pdata[1].value.type);
goto done;
}
if (123456 != pdata[1].value.data.size) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Lookup returned wrong value: %d\n",
myproc.nspace, myproc.rank, (int) pdata[1].value.data.size);
goto done;
}
PMIX_PDATA_FREE(pdata, 2);
fprintf(stderr, "PUBLISH-LOOKUP SUCCEEDED\n");
}
/* call fence so rank 0 waits before leaving */
if (PMIX_SUCCESS != (rc = PMIx_Fence(&proc, 1, NULL, 0))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Fence failed: %d\n", myproc.nspace, myproc.rank,
rc);
goto done;
}
if (0 == myproc.rank) {
char **keys;
keys = (char **) malloc(3 * sizeof(char *));
keys[0] = "FOOBAR";
keys[1] = "PANDA";
keys[2] = NULL;
fprintf(stderr, "%s:%d unpublishing two keys\n", myproc.nspace, myproc.rank);
if (PMIX_SUCCESS != (rc = PMIx_Unpublish(keys, NULL, 0))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Unpublish failed: %d\n", myproc.nspace,
myproc.rank, rc);
free(keys);
goto done;
}
free(keys);
fprintf(stderr, "UNPUBLISH SUCCEEDED\n");
}
/* call fence again so everyone waits for rank 0 before leaving */
if (PMIX_SUCCESS != (rc = PMIx_Fence(&proc, 1, NULL, 0))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Fence failed: %d\n", myproc.nspace, myproc.rank,
rc);
goto done;
}
done:
/* finalize us */
fprintf(stderr, "Client ns %s rank %d: Finalizing\n", myproc.nspace, myproc.rank);
if (PMIX_SUCCESS != (rc = PMIx_Finalize(NULL, 0))) {
fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize failed: %d\n", myproc.nspace,
myproc.rank, rc);
} else {
fprintf(stderr, "Client ns %s rank %d:PMIx_Finalize successfully completed\n",
myproc.nspace, myproc.rank);
}
fflush(stderr);
return (0);
}
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