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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) 2021-2022 Nanook Consulting. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*
*/
#include "src/include/pmix_config.h"
#include "include/pmix.h"
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include "src/class/pmix_object.h"
#include "src/include/pmix_globals.h"
#include "src/util/pmix_argv.h"
#include "src/util/pmix_output.h"
#include "src/util/pmix_environ.h"
#include "src/util/pmix_printf.h"
static pmix_proc_t myproc;
int main(int argc, char **argv)
{
int rc;
pmix_value_t value;
pmix_value_t *val = &value;
pmix_proc_t proc;
uint32_t nprocs;
char nsp2[PMIX_MAX_NSLEN + 1];
pmix_app_t *app;
char hostname[PMIX_MAXHOSTNAMELEN];
pmix_proc_t *peers;
size_t npeers, ntmp = 0;
char *nodelist;
PMIX_HIDE_UNUSED_PARAMS(argc, argv);
gethostname(hostname, sizeof(hostname));
/* init us */
if (PMIX_SUCCESS != (rc = PMIx_Init(&myproc, NULL, 0))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Init failed: %d", myproc.nspace, myproc.rank,
rc);
exit(0);
}
pmix_output(0, "Client ns %s rank %d: Running", myproc.nspace, myproc.rank);
/* get our job size */
pmix_strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
proc.rank = PMIX_RANK_WILDCARD;
if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_JOB_SIZE, NULL, 0, &val))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Get job size failed: %s", myproc.nspace,
myproc.rank, PMIx_Error_string(rc));
goto done;
}
nprocs = val->data.uint32;
PMIX_VALUE_RELEASE(val);
pmix_output(0, "Client %s:%d job size %d", myproc.nspace, myproc.rank, nprocs);
/* call fence to sync */
PMIX_PROC_CONSTRUCT(&proc);
pmix_strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
proc.rank = PMIX_RANK_WILDCARD;
if (PMIX_SUCCESS != (rc = PMIx_Fence(&proc, 1, NULL, 0))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Fence failed: %d", myproc.nspace, myproc.rank,
rc);
goto done;
}
/* rank=0 calls spawn */
if (0 == myproc.rank) {
PMIX_APP_CREATE(app, 1);
app->cmd = strdup("./simpclient");
app->maxprocs = 2;
PMIx_Argv_append_nosize(&app->argv, "simpclient");
PMIx_Argv_append_nosize(&app->argv, "-n");
PMIx_Argv_append_nosize(&app->argv, "2");
PMIx_Setenv("PMIX_ENV_VALUE", "3", true, &app->env);
pmix_output(0, "Client ns %s rank %d: calling PMIx_Spawn", myproc.nspace, myproc.rank);
if (PMIX_SUCCESS != (rc = PMIx_Spawn(NULL, 0, app, 1, nsp2))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Spawn failed: %d", myproc.nspace,
myproc.rank, rc);
goto done;
}
PMIX_APP_FREE(app, 1);
/* get their job size */
pmix_strncpy(proc.nspace, nsp2, PMIX_MAX_NSLEN);
proc.rank = PMIX_RANK_WILDCARD;
val = NULL;
if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_JOB_SIZE, NULL, 0, &val)) || NULL == val) {
pmix_output(0, "Client ns %s rank %d: PMIx_Get job %s size failed: %d", myproc.nspace,
myproc.rank, nsp2, rc);
goto done;
}
ntmp = val->data.uint32;
PMIX_VALUE_RELEASE(val);
pmix_output(0, "Client %s:%d job %s size %d", myproc.nspace, myproc.rank, nsp2, (int) ntmp);
}
/* just cycle the connect/disconnect functions */
if (PMIX_SUCCESS != (rc = PMIx_Connect(&proc, 1, NULL, 0))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Connect failed: %d", myproc.nspace, myproc.rank,
rc);
goto done;
}
pmix_output(0, "Client ns %s rank %d: PMIx_Connect succeeded", myproc.nspace, myproc.rank);
if (PMIX_SUCCESS != (rc = PMIx_Disconnect(&proc, 1, NULL, 0))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Disonnect failed: %d", myproc.nspace,
myproc.rank, rc);
goto done;
}
pmix_output(0, "Client ns %s rank %d: PMIx_Disconnect succeeded", myproc.nspace, myproc.rank);
/* finally, test the resolve functions */
if (0 == myproc.rank) {
if (PMIX_SUCCESS != (rc = PMIx_Resolve_peers(hostname, NULL, &peers, &npeers))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_peers failed for nspace %s: %d",
myproc.nspace, myproc.rank, nsp2, rc);
goto done;
}
if ((nprocs + ntmp) != npeers) {
pmix_output(
0, "Client ns %s rank %d: PMIx_Resolve_peers returned incorrect npeers: %d vs %d",
myproc.nspace, myproc.rank, (int) (nprocs + ntmp), (int) npeers);
goto done;
}
pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_peers returned %d npeers", myproc.nspace,
myproc.rank, (int) npeers);
if (PMIX_SUCCESS != (rc = PMIx_Resolve_nodes(nsp2, &nodelist))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_nodes failed for nspace %s: %d",
myproc.nspace, myproc.rank, nsp2, rc);
goto done;
}
pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_nodes %s", myproc.nspace, myproc.rank,
nodelist);
} else {
if (PMIX_SUCCESS != (rc = PMIx_Resolve_peers(hostname, myproc.nspace, &peers, &npeers))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_peers failed for nspace %s: %d",
myproc.nspace, myproc.rank, myproc.nspace, rc);
goto done;
}
if (nprocs != npeers) {
pmix_output(
0, "Client ns %s rank %d: PMIx_Resolve_peers returned incorrect npeers: %d vs %d",
myproc.nspace, myproc.rank, nprocs, (int) npeers);
goto done;
}
pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_peers returned %d npeers", myproc.nspace,
myproc.rank, (int) npeers);
if (PMIX_SUCCESS != (rc = PMIx_Resolve_nodes(myproc.nspace, &nodelist))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_nodes failed: %d", myproc.nspace,
myproc.rank, rc);
goto done;
}
pmix_output(0, "Client ns %s rank %d: PMIx_Resolve_nodes %s", myproc.nspace, myproc.rank,
nodelist);
}
PMIX_PROC_FREE(peers, npeers);
free(nodelist);
done:
/* call fence to sync */
PMIX_PROC_CONSTRUCT(&proc);
pmix_strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
proc.rank = PMIX_RANK_WILDCARD;
if (PMIX_SUCCESS != (rc = PMIx_Fence(&proc, 1, NULL, 0))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Fence failed: %d", myproc.nspace, myproc.rank,
rc);
goto done;
}
/* finalize us */
pmix_output(0, "Client ns %s rank %d: Finalizing", 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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