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/*
* Copyright (c) 2022 IBM Corporation. All rights reserved.
* Copyright (c) 2025 Nanook Consulting All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*
* Test PMIx_Query_info with a locally resolved key (PMIX_QUERY_ABI_VERSION)
* and a key that the server will need to resolve.
*/
#include <stdio.h>
#include <stdlib.h>
#include <pmix.h>
#include "examples.h"
static void cbfunc(pmix_status_t status, pmix_info_t info[], size_t ninfo, void *cbdata,
pmix_release_cbfunc_t release_fn, void *release_cbdata)
{
myquery_data_t *q = (myquery_data_t*)cbdata;
size_t n;
q->status = status;
if (0 < ninfo) {
q->ninfo = ninfo;
PMIX_INFO_CREATE(q->info, q->ninfo);
for (n=0; n < ninfo; n++) {
PMIX_INFO_XFER(&q->info[n], &info[n]);
}
}
if (NULL != release_fn) {
release_fn(release_cbdata);
}
DEBUG_WAKEUP_THREAD(&q->lock);
}
int main(int argc, char **argv) {
int rc;
size_t i;
size_t ninfo, nqueries;
pmix_info_t *info = NULL;
pmix_query_t *query = NULL;
static pmix_proc_t myproc;
myquery_data_t q;
EXAMPLES_HIDE_UNUSED_PARAMS(argc, argv);
if (PMIX_SUCCESS != (rc = PMIx_Init(&myproc, NULL, 0))) {
if (PMIX_ERR_UNREACH != rc) {
fprintf(stderr, "PMIx_Init failed: %d\n", rc);
exit(rc);
}
}
nqueries = 3;
PMIX_QUERY_CREATE(query, nqueries);
PMIX_ARGV_APPEND(rc, query[0].keys, PMIX_QUERY_STABLE_ABI_VERSION);
PMIX_ARGV_APPEND(rc, query[1].keys, PMIX_QUERY_PROVISIONAL_ABI_VERSION);
PMIX_ARGV_APPEND(rc, query[2].keys, PMIX_QUERY_NAMESPACES);
rc = PMIx_Query_info(query, nqueries, &info, &ninfo);
if (PMIX_SUCCESS != rc ) {
fprintf(stderr, "Error: PMIx_Query_info failed: %d (%s)\n", rc, PMIx_Error_string(rc));
return rc;
}
printf("--> Query returned (ninfo %d)\n", (int)ninfo);
for(i = 0; i < ninfo; ++i) {
printf("--> KEY: %s\n", info[i].key);
if (PMIX_CHECK_KEY(&info[i], PMIX_QUERY_STABLE_ABI_VERSION)) {
printf("----> ABI (Stable): String: %s\n",
info[i].value.data.string);
}
else if (PMIX_CHECK_KEY(&info[i], PMIX_QUERY_PROVISIONAL_ABI_VERSION)) {
printf("----> ABI (Provisional): String: %s\n",
info[i].value.data.string);
}
else if (PMIX_CHECK_KEY(&info[i], PMIX_QUERY_NAMESPACES)) {
printf("----> Namespaces: String: %s\n",
info[i].value.data.string);
}
}
// now do it with the non-blocking form
DEBUG_CONSTRUCT_MYQUERY(&q);
rc = PMIx_Query_info_nb(query, nqueries, cbfunc, &q);
if (PMIX_SUCCESS != rc ) {
fprintf(stderr, "Error: PMIx_Query_info_nb failed: %d (%s)\n", rc, PMIx_Error_string(rc));
return rc;
}
DEBUG_WAIT_THREAD(&q.lock);
printf("--> Query_nb returned %s (ninfo %d)\n", PMIx_Error_string(q.status), (int)q.ninfo);
for(i = 0; i < q.ninfo; ++i) {
printf("--> KEY: %s\n", q.info[i].key);
if (PMIX_CHECK_KEY(&q.info[i], PMIX_QUERY_STABLE_ABI_VERSION)) {
printf("----> ABI (Stable): String: %s\n",
q.info[i].value.data.string);
}
else if (PMIX_CHECK_KEY(&q.info[i], PMIX_QUERY_PROVISIONAL_ABI_VERSION)) {
printf("----> ABI (Provisional): String: %s\n",
q.info[i].value.data.string);
}
else if (PMIX_CHECK_KEY(&q.info[i], PMIX_QUERY_NAMESPACES)) {
printf("----> Namespaces: String: %s\n",
q.info[i].value.data.string);
}
}
/*
* Cleanup
*/
PMIX_INFO_FREE(info, ninfo);
PMIX_QUERY_FREE(query, nqueries);
rc = PMIx_Finalize(NULL, 0);
return rc;
}
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