static void add_to_env(char **params, char **values, char ***env)
{
int i;
char *name;
/* Loop through all the args that we've gotten and make env
vars of the form PMIX_MCA_PREFIX*=value. */
for (i = 0; NULL != params && NULL != params[i]; ++i) {
(void) pmix_mca_base_var_env_name (params[i], &name);
pmix_setenv(name, values[i], true, env);
free(name);
}
}
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;
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 universe size */
(void)strncpy(proc.nspace, myproc.nspace, PMIX_MAX_NSLEN);
proc.rank = PMIX_RANK_WILDCARD;
if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_UNIV_SIZE, NULL, 0, &val))) {
pmix_output(0, "Client ns %s rank %d: PMIx_Get universe size failed: %d", myproc.nspace, myproc.rank, rc);
goto done;
}
nprocs = val->data.uint32;
PMIX_VALUE_RELEASE(val);
pmix_output(0, "Client %s:%d universe size %d", myproc.nspace, myproc.rank, nprocs);
/* call fence to sync */
PMIX_PROC_CONSTRUCT(&proc);
(void)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("gumby");
app->maxprocs = 2;
pmix_argv_append_nosize(&app->argv, "gumby");
pmix_argv_append_nosize(&app->argv, "-n");
pmix_argv_append_nosize(&app->argv, "2");
pmix_setenv("PMIX_ENV_VALUE", "3", true, &app->env);
PMIX_INFO_CREATE(app->info, 2);
(void)strncpy(app->info[0].key, "DARTH", PMIX_MAX_KEYLEN);
app->info[0].value.type = PMIX_INT8;
app->info[0].value.data.int8 = 12;
(void)strncpy(app->info[1].key, "VADER", PMIX_MAX_KEYLEN);
app->info[1].value.type = PMIX_DOUBLE;
app->info[1].value.data.dval = 12.34;
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);
/* check to see if we got the expected info back */
if (0 != strncmp(nsp2, "DYNSPACE", PMIX_MAX_NSLEN)) {
pmix_output(0, "Client ns %s rank %d: PMIx_Spawn returned incorrect nspace: %s", myproc.nspace, myproc.rank, nsp2);
goto done;
} else {
pmix_output(0, "Client ns %s rank %d: PMIx_Spawn succeeded returning nspace: %s", myproc.nspace, myproc.rank, nsp2);
}
/* get their universe size */
(void)strncpy(proc.nspace, nsp2, PMIX_MAX_NSLEN);
proc.rank = PMIX_RANK_WILDCARD;
val = NULL;
if (PMIX_SUCCESS != (rc = PMIx_Get(&proc, PMIX_UNIV_SIZE, NULL, 0, &val)) ||
NULL == val) {
pmix_output(0, "Client ns %s rank %d: PMIx_Get universe size failed: %d", myproc.nspace, myproc.rank, rc);
goto done;
}
ntmp = val->data.uint32;
PMIX_VALUE_RELEASE(val);
pmix_output(0, "Client %s:%d universe %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);
(void)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);
}
