/usr/share/doc/libpmix-dev/examples
Edit: /usr/share/doc/libpmix-dev/examples/dmodex.c (10108B)
/*
* 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 "examples.h"
#include "src/include/pmix_config.h"
#include "../include/pmix.h"
#include
#include
#include
#include
static uint32_t nprocs;
static pmix_proc_t myproc;
int main(int argc, char **argv)
{
int rc;
pmix_value_t value;
pmix_value_t *val = NULL;
char *tmp;
pmix_proc_t proc;
uint32_t n, k, nlocal;
bool local, all_local = false;
char **peers;
pmix_rank_t *locals = NULL;
uint8_t j;
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 job size */
PMIX_LOAD_PROCID(&proc, myproc.nspace, PMIX_RANK_WILDCARD);
if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_JOB_SIZE, NULL, 0, &val))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Get job size failed: %s\n", myproc.nspace,
myproc.rank, PMIx_Error_string(rc));
goto done;
}
nprocs = val->data.uint32;
PMIX_VALUE_RELEASE(val);
fprintf(stderr, "Client %s:%d job size %d\n", myproc.nspace, myproc.rank, nprocs);
/* put a few values */
(void) asprintf(&tmp, "%s-%d-internal", myproc.nspace, myproc.rank);
value.type = PMIX_UINT32;
value.data.uint32 = 1234;
if (PMIX_SUCCESS != (rc = PMIx_Store_internal(&myproc, tmp, &value))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Store_internal failed: %d\n", myproc.nspace,
myproc.rank, rc);
goto done;
}
(void) asprintf(&tmp, "%s-%d-local", myproc.nspace, myproc.rank);
value.type = PMIX_UINT64;
value.data.uint64 = 1234;
if (PMIX_SUCCESS != (rc = PMIx_Put(PMIX_LOCAL, tmp, &value))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Put internal failed: %d\n", myproc.nspace,
myproc.rank, rc);
goto done;
}
(void) asprintf(&tmp, "%s-%d-remote", myproc.nspace, myproc.rank);
value.type = PMIX_STRING;
value.data.string = "1234";
if (PMIX_SUCCESS != (rc = PMIx_Put(PMIX_GLOBAL, tmp, &value))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Put internal failed: %d\n", myproc.nspace,
myproc.rank, rc);
goto done;
}
value.type = PMIX_BYTE_OBJECT;
value.data.bo.bytes = (char *) malloc(128);
for (j = 0; j < 128; j++) {
value.data.bo.bytes[j] = j;
}
value.data.bo.size = 128;
if (PMIX_SUCCESS != (rc = PMIx_Put(PMIX_GLOBAL, "ghex", &value))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Put ghex failed: %d\n", myproc.nspace,
myproc.rank, rc);
PMIX_VALUE_DESTRUCT(&value);
goto done;
}
PMIX_VALUE_DESTRUCT(&value);
/* commit the data to the server */
if (PMIX_SUCCESS != (rc = PMIx_Commit())) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Commit failed: %d\n", myproc.nspace,
myproc.rank, rc);
goto done;
}
/* get a list of our local peers */
if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_LOCAL_PEERS, NULL, 0, &val))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Get local peers failed: %s\n", myproc.nspace,
myproc.rank, PMIx_Error_string(rc));
goto done;
}
/* split the returned string to get the rank of each local peer */
peers = pmix_argv_split(val->data.string, ',');
PMIX_VALUE_RELEASE(val);
nlocal = pmix_argv_count(peers);
if (nprocs == nlocal) {
all_local = true;
} else {
all_local = false;
locals = (pmix_rank_t *) malloc(pmix_argv_count(peers) * sizeof(pmix_rank_t));
for (n = 0; NULL != peers[n]; n++) {
locals[n] = strtoul(peers[n], NULL, 10);
}
}
pmix_argv_free(peers);
/* get the committed data - ask for someone who doesn't exist as well */
for (n = 0; n < nprocs; n++) {
if (all_local) {
local = true;
} else {
local = false;
/* see if this proc is local to us */
for (k = 0; k < nlocal; k++) {
if (proc.rank == locals[k]) {
local = true;
break;
}
}
}
if (local) {
if (0 > asprintf(&tmp, "%s-%d-local", myproc.nspace, n)) {
exit(1);
}
proc.rank = n;
if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, tmp, NULL, 0, &val))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Get %s failed: %d\n", myproc.nspace, n,
tmp, rc);
free(tmp);
goto done;
}
if (PMIX_UINT64 != val->type) {
fprintf(stderr, "%s:%d: PMIx_Get Key %s returned wrong type: %d\n", myproc.nspace,
myproc.rank, tmp, val->type);
PMIX_VALUE_RELEASE(val);
free(tmp);
goto done;
}
if (1234 != val->data.uint64) {
fprintf(stderr, "%s:%d: PMIx_Get Key %s returned wrong value: %d\n", myproc.nspace,
myproc.rank, tmp, (int) val->data.uint64);
PMIX_VALUE_RELEASE(val);
free(tmp);
goto done;
}
fprintf(stderr, "%s:%d Local value for %s:%d successfully retrieved\n", myproc.nspace,
myproc.rank, proc.nspace, proc.rank);
PMIX_VALUE_RELEASE(val);
free(tmp);
} else {
if (0 > asprintf(&tmp, "%s-%d-remote", myproc.nspace, n)) {
exit(1);
}
if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, tmp, NULL, 0, &val))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Get %s failed: %d\n", myproc.nspace, n,
tmp, rc);
free(tmp);
goto done;
}
if (PMIX_STRING != val->type) {
fprintf(stderr, "%s:%d: PMIx_Get Key %s returned wrong type: %d\n", myproc.nspace,
myproc.rank, tmp, val->type);
PMIX_VALUE_RELEASE(val);
free(tmp);
goto done;
}
if (0 != strcmp(val->data.string, "1234")) {
fprintf(stderr, "%s:%d: PMIx_Get Key %s returned wrong value: %s\n", myproc.nspace,
myproc.rank, tmp, val->data.string);
PMIX_VALUE_RELEASE(val);
free(tmp);
goto done;
}
fprintf(stderr, "%s:%d Remote value for %s:%d successfully retrieved\n", myproc.nspace,
myproc.rank, proc.nspace, proc.rank);
PMIX_VALUE_RELEASE(val);
free(tmp);
}
/* if this isn't us, then get the ghex key */
if (n != myproc.rank) {
if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, "ghex", NULL, 0, &val))) {
fprintf(stderr, "Client ns %s rank %d: PMIx_Get ghex failed: %d\n", myproc.nspace,
n, rc);
goto done;
}
if (PMIX_BYTE_OBJECT != val->type) {
fprintf(stderr, "%s:%d: PMIx_Get ghex returned wrong type: %d\n", myproc.nspace,
myproc.rank, val->type);
PMIX_VALUE_RELEASE(val);
goto done;
}
if (128 != val->data.bo.size) {
fprintf(stderr, "%s:%d: PMIx_Get ghex returned wrong size: %d\n", myproc.nspace,
myproc.rank, (int) val->data.bo.size);
PMIX_VALUE_RELEASE(val);
goto done;
}
fprintf(stderr, "%s:%d Ghex for %s:%d successfully retrieved\n", myproc.nspace,
myproc.rank, proc.nspace, proc.rank);
PMIX_VALUE_RELEASE(val);
}
}
/* call fence so everyone waits before leaving */
proc.rank = PMIX_RANK_WILDCARD;
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);
}