int mca_common_pmi_id(char **pmi_id_ret, char **error){
char *pmi_id = NULL;
int rc;
// Default values
*pmi_id_ret = pmi_id;
*error = NULL;
#if WANT_PMI2_SUPPORT
if( mca_common_pmi_version == 2 ){
// TODO: add proper error handling
pmi_id = (char*)malloc(PMI2_MAX_VALLEN);
if( pmi_id == NULL ){
*error = "mca_common_pmi_id: could not get memory for PMIv2 ID";
return OPAL_ERR_OUT_OF_RESOURCE;
}
strncpy(pmi_id, pmi_kvs_name, pmi_kvslen_max);
}
else
#endif
{
int pmi_maxlen;
/* get our PMI id length */
if (PMI_SUCCESS != (rc = PMI_Get_id_length_max(&pmi_maxlen))) {
*error = "PMI_Get_id_length_max";
return OPAL_ERROR;
}
// TODO: add proper error handling
pmi_id = (char*)malloc(pmi_maxlen);
if( pmi_id == NULL ){
*error = "mca_common_pmi_id: could not get memory for PMIv1 ID";
return OPAL_ERR_OUT_OF_RESOURCE;
}
/* Get domain id */
if (PMI_SUCCESS != (rc = PMI_Get_kvs_domain_id(pmi_id, pmi_maxlen))) {
free(pmi_id);
*error = "PMI_Get_kvs_domain_id";
return OPAL_ERROR;
}
}
*pmi_id_ret = pmi_id;
return OPAL_SUCCESS;
}
static int test_item1(void)
{
int rc = 0;
int val = 0;
log_assert(spawned == PMI_FALSE || spawned == PMI_TRUE, "");
if (PMI_SUCCESS != (rc = PMI_Get_size(&size))) {
log_fatal("PMI_Get_Size failed: %d\n", rc);
return rc;
}
log_assert(size >= 0, "");
if (PMI_SUCCESS != (rc = PMI_Get_rank(&rank))) {
log_fatal("PMI_Get_Rank failed: %d\n", rc);
return rc;
}
log_assert(rank >= 0, "");
log_assert(rank < size, "");
if (PMI_SUCCESS != (rc = PMI_Get_appnum(&appnum))) {
log_fatal("PMI_Get_appnum failed: %d\n", rc);
return rc;
}
log_info("spawned=%d size=%d rank=%d appnum=%d\n", spawned, size, rank, appnum);
val = random_value(10, 100);
if (PMI_SUCCESS != (rc = PMI_Get_universe_size(&val))) {
log_fatal("PMI_Get_universe_size failed: %d\n", rc);
return rc;
}
log_assert(size == val, "");
val = random_value(10, 100);
if (PMI_SUCCESS != (rc = PMI_Get_id_length_max(&val))) {
log_fatal("PMI_Get_id_length_max failed: %d\n", rc);
return rc;
}
log_info("PMI_Get_id_length_max=%d\n", val);
if (!_legacy) {
log_assert(sizeof(jobid) == val, "Check PMIX_MAX_NSLEN value in pmix_common.h");
}
sprintf(jobid, "%s", __func__);
if (PMI_SUCCESS != (rc = PMI_Get_id(jobid, sizeof(jobid)))) {
log_fatal("PMI_Get_id failed: %d\n", rc);
return rc;
}
log_info("jobid=%s\n", jobid);
log_assert(memcmp(jobid, __func__, sizeof(__func__)), "");
sprintf(jobid, "%s", __func__);
if (PMI_SUCCESS != (rc = PMI_Get_kvs_domain_id(jobid, sizeof(jobid)))) {
log_fatal("PMI_Get_kvs_domain_id failed: %d\n", rc);
return rc;
}
log_info("PMI_Get_kvs_domain_id=%s\n", jobid);
log_assert(memcmp(jobid, __func__, sizeof(__func__)), "");
sprintf(jobid, "%s", __func__);
if (PMI_SUCCESS != (rc = PMI_KVS_Get_my_name(jobid, sizeof(jobid)))) {
log_fatal("PMI_KVS_Get_my_name failed: %d\n", rc);
return rc;
}
log_info("PMI_KVS_Get_my_name=%s\n", jobid);
log_assert(memcmp(jobid, __func__, sizeof(__func__)), "");
return rc;
}
static int rte_init(void)
{
int ret, i, j;
char *error = NULL, *localj;
int32_t jobfam, stepid;
char *envar, *ev1, *ev2;
uint64_t unique_key[2];
char *cs_env, *string_key;
char *pmi_id=NULL;
int *ranks;
char *tmp;
orte_jobid_t jobid;
orte_process_name_t proc;
orte_local_rank_t local_rank;
orte_node_rank_t node_rank;
/* run the prolog */
if (ORTE_SUCCESS != (ret = orte_ess_base_std_prolog())) {
error = "orte_ess_base_std_prolog";
goto error;
}
#if OPAL_HAVE_HWLOC
/* get the topology */
if (NULL == opal_hwloc_topology) {
if (OPAL_SUCCESS != opal_hwloc_base_get_topology()) {
error = "topology discovery";
goto error;
}
}
#endif
if (ORTE_PROC_IS_DAEMON) { /* I am a daemon, launched by mpirun */
/* we had to be given a jobid */
mca_base_param_reg_string_name("orte", "ess_jobid", "Process jobid",
true, false, NULL, &tmp);
if (NULL == tmp) {
error = "missing jobid";
ret = ORTE_ERR_FATAL;
goto error;
}
if (ORTE_SUCCESS != (ret = orte_util_convert_string_to_jobid(&jobid, tmp))) {
ORTE_ERROR_LOG(ret);
error = "convert jobid";
goto error;
}
free(tmp);
ORTE_PROC_MY_NAME->jobid = jobid;
/* get our rank from PMI */
if (PMI_SUCCESS != (ret = PMI_Get_rank(&i))) {
ORTE_PMI_ERROR(ret, "PMI_Get_rank");
error = "could not get PMI rank";
goto error;
}
ORTE_PROC_MY_NAME->vpid = i + 1; /* compensate for orterun */
/* get the number of procs from PMI */
if (PMI_SUCCESS != (ret = PMI_Get_universe_size(&i))) {
ORTE_PMI_ERROR(ret, "PMI_Get_universe_size");
error = "could not get PMI universe size";
goto error;
}
orte_process_info.num_procs = i + 1; /* compensate for orterun */
/* complete setup */
if (ORTE_SUCCESS != (ret = orte_ess_base_orted_setup(NULL))) {
ORTE_ERROR_LOG(ret);
error = "orte_ess_base_orted_setup";
goto error;
}
} else { /* we are a direct-launched MPI process */
/* get our PMI id length */
if (PMI_SUCCESS != (ret = PMI_Get_id_length_max(&pmi_maxlen))) {
error = "PMI_Get_id_length_max";
goto error;
}
pmi_id = malloc(pmi_maxlen);
if (PMI_SUCCESS != (ret = PMI_Get_kvs_domain_id(pmi_id, pmi_maxlen))) {
free(pmi_id);
error = "PMI_Get_kvs_domain_id";
goto error;
}
/* PMI is very nice to us - the domain id is an integer followed
* by a '.', followed by essentially a stepid. The first integer
* defines an overall job number. The second integer is the number of
* individual jobs we have run within that allocation. So we translate
* this as the overall job number equating to our job family, and
* the individual number equating to our local jobid
*/
jobfam = strtol(pmi_id, &localj, 10);
if (NULL == localj) {
/* hmmm - no '.', so let's just use zero */
stepid = 0;
} else {
localj++; /* step over the '.' */
stepid = strtol(localj, NULL, 10) + 1; /* add one to avoid looking like a daemon */
}
free(pmi_id);
/* now build the jobid */
ORTE_PROC_MY_NAME->jobid = ORTE_CONSTRUCT_LOCAL_JOBID(jobfam << 16, stepid);
/* get our rank */
if (PMI_SUCCESS != (ret = PMI_Get_rank(&i))) {
ORTE_PMI_ERROR(ret, "PMI_Get_rank");
error = "could not get PMI rank";
goto error;
}
ORTE_PROC_MY_NAME->vpid = i;
/* get the number of procs from PMI */
if (PMI_SUCCESS != (ret = PMI_Get_universe_size(&i))) {
ORTE_PMI_ERROR(ret, "PMI_Get_universe_size");
error = "could not get PMI universe size";
goto error;
}
orte_process_info.num_procs = i;
/* push into the environ for pickup in MPI layer for
* MPI-3 required info key
*/
asprintf(&ev1, "OMPI_MCA_orte_ess_num_procs=%d", i);
putenv(ev1);
asprintf(&ev2, "OMPI_APP_CTX_NUM_PROCS=%d", i);
putenv(ev2);
/* setup transport keys in case the MPI layer needs them -
* we can use the jobfam and stepid as unique keys
* because they are unique values assigned by the RM
*/
unique_key[0] = (uint64_t)jobfam;
unique_key[1] = (uint64_t)stepid;
if (NULL == (string_key = orte_pre_condition_transports_print(unique_key))) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
if (NULL == (cs_env = mca_base_param_environ_variable("orte_precondition_transports",NULL,NULL))) {
ORTE_ERROR_LOG(ORTE_ERR_OUT_OF_RESOURCE);
return ORTE_ERR_OUT_OF_RESOURCE;
}
asprintf(&envar, "%s=%s", cs_env, string_key);
putenv(envar);
/* cannot free the envar as that messes up our environ */
free(cs_env);
free(string_key);
/* our app_context number can only be 0 as we don't support
* dynamic spawns
*/
orte_process_info.app_num = 0;
/* setup my daemon's name - arbitrary, since we don't route
* messages
*/
ORTE_PROC_MY_DAEMON->jobid = 0;
ORTE_PROC_MY_DAEMON->vpid = 0;
/* ensure we pick the correct critical components */
putenv("OMPI_MCA_grpcomm=pmi");
putenv("OMPI_MCA_routed=direct");
/* now use the default procedure to finish my setup */
if (ORTE_SUCCESS != (ret = orte_ess_base_app_setup())) {
ORTE_ERROR_LOG(ret);
error = "orte_ess_base_app_setup";
goto error;
}
/* store our info into the database */
if (ORTE_SUCCESS != (ret = orte_db.store(ORTE_PROC_MY_NAME, ORTE_DB_HOSTNAME, orte_process_info.nodename, OPAL_STRING))) {
error = "db store daemon vpid";
goto error;
}
/* get our local proc info to find our local rank */
if (PMI_SUCCESS != (ret = PMI_Get_clique_size(&i))) {
ORTE_PMI_ERROR(ret, "PMI_Get_clique_size");
error = "could not get PMI clique size";
goto error;
}
/* store that info - remember, we want the number of peers that
* share the node WITH ME, so we have to subtract ourselves from
* that number
*/
orte_process_info.num_local_peers = i - 1;
/* now get the specific ranks */
ranks = (int*)malloc(i * sizeof(int));
if (PMI_SUCCESS != (ret = PMI_Get_clique_ranks(ranks, i))) {
ORTE_PMI_ERROR(ret, "PMI_Get_clique_ranks");
error = "could not get clique ranks";
goto error;
}
/* The clique ranks are returned in rank order, so
* cycle thru the array and update the local/node
* rank info
*/
proc.jobid = ORTE_PROC_MY_NAME->jobid;
for (j=0; j < i; j++) {
proc.vpid = ranks[j];
local_rank = j;
node_rank = j;
if (ranks[j] == (int)ORTE_PROC_MY_NAME->vpid) {
orte_process_info.my_local_rank = local_rank;
orte_process_info.my_node_rank = node_rank;
}
if (ORTE_SUCCESS != (ret = orte_db.store(&proc, ORTE_DB_LOCALRANK, &local_rank, ORTE_LOCAL_RANK))) {
error = "db store local rank";
goto error;
}
if (ORTE_SUCCESS != (ret = orte_db.store(&proc, ORTE_DB_NODERANK, &node_rank, ORTE_NODE_RANK))) {
error = "db store node rank";
goto error;
}
}
free(ranks);
/* setup process binding */
if (ORTE_SUCCESS != (ret = orte_ess_base_proc_binding())) {
error = "proc_binding";
goto error;
}
}
/* set max procs */
if (orte_process_info.max_procs < orte_process_info.num_procs) {
orte_process_info.max_procs = orte_process_info.num_procs;
}
/* flag that we completed init */
app_init_complete = true;
return ORTE_SUCCESS;
error:
if (ORTE_ERR_SILENT != ret && !orte_report_silent_errors) {
orte_show_help("help-orte-runtime.txt",
"orte_init:startup:internal-failure",
true, error, ORTE_ERROR_NAME(ret), ret);
}
return ret;
}