int pmi_simple_client_init (struct pmi_simple_client *pmi, int *spawned)
{
int result = PMI_FAIL;
unsigned int vers, subvers;
char buf[SIMPLE_MAX_PROTO_LINE];
int rc;
if (dprintf (pmi->fd, "cmd=init pmi_version=1 pmi_subversion=1\n") < 0)
goto done;
if (dgetline (pmi->fd, buf, sizeof (buf)) < 0)
goto done;
if (keyval_parse_isword (buf, "cmd", "response_to_init") < 0)
goto done;
if (keyval_parse_int (buf, "rc", &rc) == 0 && rc != 0) {
result = rc;
goto done;
}
if (keyval_parse_uint (buf, "pmi_version", &vers) < 0
|| keyval_parse_uint (buf, "pmi_subversion", &subvers) < 0)
goto done;
if (vers != 1 || subvers != 1)
goto done;
if (dprintf (pmi->fd, "cmd=get_maxes\n") < 0)
goto done;
if (dgetline (pmi->fd, buf, sizeof (buf)) < 0)
goto done;
if (keyval_parse_isword (buf, "cmd", "maxes") < 0)
goto done;
if (keyval_parse_int (buf, "rc", &rc) == 0 && rc != 0) {
result = rc;
goto done;
}
if (keyval_parse_uint (buf, "kvsname_max", &pmi->kvsname_max) < 0
|| keyval_parse_uint (buf, "keylen_max", &pmi->keylen_max) < 0
|| keyval_parse_uint (buf, "vallen_max", &pmi->vallen_max) < 0)
goto done;
pmi->buflen = pmi->keylen_max + pmi->vallen_max + pmi->kvsname_max
+ SIMPLE_MAX_PROTO_OVERHEAD;
if (!(pmi->buf = calloc (1, pmi->buflen))) {
result = PMI_ERR_NOMEM;
goto done;
}
pmi->initialized = 1;
if (spawned)
*spawned = pmi->spawned;
result = PMI_SUCCESS;
done:
return result;
}
int pmi_simple_client_kvs_get (struct pmi_simple_client *pmi,
const char *kvsname,
const char *key, char *value, int len)
{
int result = PMI_FAIL;
int rc;
if (!pmi->initialized)
goto done;
if (dprintf (pmi->fd, "cmd=get kvsname=%s key=%s\n", kvsname, key) < 0)
goto done;
if (dgetline (pmi->fd, pmi->buf, sizeof (pmi->buf)) < 0)
goto done;
if (keyval_parse_isword (pmi->buf, "cmd", "get_result") < 0)
goto done;
if (keyval_parse_int (pmi->buf, "rc", &rc) == 0 && rc != 0) {
result = rc;
goto done;
}
if (keyval_parse_string (pmi->buf, "value", value, len) < 0)
goto done;
result = PMI_SUCCESS;
done:
return result;
}
int pmi_simple_client_init (struct pmi_simple_client *pmi, int *spawned)
{
int result = PMI_FAIL;
unsigned int vers, subvers;
int rc;
if (dprintf (pmi->fd, "cmd=init pmi_version=1 pmi_subversion=1\n") < 0)
goto done;
if (dgetline (pmi->fd, pmi->buf, sizeof (pmi->buf)) < 0)
goto done;
if (keyval_parse_isword (pmi->buf, "cmd", "response_to_init") < 0)
goto done;
if (keyval_parse_int (pmi->buf, "rc", &rc) == 0 && rc != 0) {
result = rc;
goto done;
}
if (keyval_parse_uint (pmi->buf, "pmi_version", &vers) < 0
|| keyval_parse_uint (pmi->buf, "pmi_subversion", &subvers) < 0)
goto done;
if (vers != 1 || subvers != 1)
goto done;
if (dprintf (pmi->fd, "cmd=get_maxes\n") < 0)
goto done;
if (dgetline (pmi->fd, pmi->buf, sizeof (pmi->buf)) < 0)
goto done;
if (keyval_parse_isword (pmi->buf, "cmd", "maxes") < 0)
goto done;
if (keyval_parse_int (pmi->buf, "rc", &rc) == 0 && rc != 0) {
result = rc;
goto done;
}
if (keyval_parse_uint (pmi->buf, "kvsname_max", &pmi->kvsname_max) < 0
|| keyval_parse_uint (pmi->buf, "keylen_max", &pmi->keylen_max) < 0
|| keyval_parse_uint (pmi->buf, "vallen_max", &pmi->vallen_max) < 0)
goto done;
pmi->initialized = 1;
if (spawned)
*spawned = pmi->spawned;
result = PMI_SUCCESS;
done:
return result;
}
int pmi_simple_client_get_appnum (struct pmi_simple_client *pmi, int *appnum)
{
int result = PMI_FAIL;
int rc;
if (!pmi->initialized)
goto done;
if (dprintf (pmi->fd, "cmd=get_appnum\n") < 0)
goto done;
if (dgetline (pmi->fd, pmi->buf, sizeof (pmi->buf)) < 0)
goto done;
if (keyval_parse_isword (pmi->buf, "cmd", "appnum") < 0)
goto done;
if (keyval_parse_int (pmi->buf, "rc", &rc) == 0 && rc != 0) {
result = rc;
goto done;
}
if (keyval_parse_int (pmi->buf, "appnum", appnum) < 0)
goto done;
result = PMI_SUCCESS;
done:
return result;
}
int pmi_simple_client_get_universe_size (struct pmi_simple_client *pmi,
int *universe_size)
{
int result = PMI_FAIL;
int rc;
if (!pmi->initialized)
goto done;
if (dprintf (pmi->fd, "cmd=get_universe_size\n") < 0)
goto done;
if (dgetline (pmi->fd, pmi->buf, pmi->buflen) < 0)
goto done;
if (keyval_parse_isword (pmi->buf, "cmd", "universe_size") < 0)
goto done;
if (keyval_parse_int (pmi->buf, "rc", &rc) == 0 && rc != 0) {
result = rc;
goto done;
}
if (keyval_parse_int (pmi->buf, "size", universe_size) < 0)
goto done;
result = PMI_SUCCESS;
done:
return result;
}
int pmi_simple_client_finalize (struct pmi_simple_client *pmi)
{
int result = PMI_FAIL;
int rc;
if (dprintf (pmi->fd, "cmd=finalize\n") < 0)
goto done;
if (dgetline (pmi->fd, pmi->buf, sizeof (pmi->buf)) < 0)
goto done;
if (keyval_parse_isword (pmi->buf, "cmd", "finalize_ack") < 0)
goto done;
if (keyval_parse_int (pmi->buf, "rc", &rc) == 0 && rc != 0) {
result = rc;
goto done;
}
result = PMI_SUCCESS;
done:
return result;
}
int pmi_simple_client_barrier (struct pmi_simple_client *pmi)
{
int result = PMI_FAIL;
int rc;
if (!pmi->initialized)
goto done;
if (dprintf (pmi->fd, "cmd=barrier_in\n") < 0)
goto done;
if (dgetline (pmi->fd, pmi->buf, sizeof (pmi->buf)) < 0)
goto done;
if (keyval_parse_isword (pmi->buf, "cmd", "barrier_out") < 0)
goto done;
if (keyval_parse_int (pmi->buf, "rc", &rc) == 0 && rc != 0) {
result = rc;
goto done;
}
result = PMI_SUCCESS;
done:
return result;
}
int pmi_simple_client_kvs_get_my_name (struct pmi_simple_client *pmi,
char *kvsname, int length)
{
int result = PMI_FAIL;
int rc;
if (!pmi->initialized)
goto done;
if (dprintf (pmi->fd, "cmd=get_my_kvsname\n") < 0)
goto done;
if (dgetline (pmi->fd, pmi->buf, sizeof (pmi->buf)) < 0)
goto done;
if (keyval_parse_isword (pmi->buf, "cmd", "my_kvsname") < 0)
goto done;
if (keyval_parse_int (pmi->buf, "rc", &rc) == 0 && rc != 0) {
result = rc;
goto done;
}
if (keyval_parse_word (pmi->buf, "kvsname", kvsname, length) < 0)
goto done;
result = PMI_SUCCESS;
done:
return result;
}
int pmi_simple_client_kvs_put (struct pmi_simple_client *pmi,
const char *kvsname, const char *key,
const char *value)
{
int result = PMI_FAIL;
int rc;
if (!pmi->initialized)
goto done;
if (dprintf (pmi->fd, "cmd=put kvsname=%s key=%s value=%s\n",
kvsname, key, value) < 0)
goto done;
if (dgetline (pmi->fd, pmi->buf, pmi->buflen) < 0)
goto done;
if (keyval_parse_isword (pmi->buf, "cmd", "put_result") < 0)
goto done;
if (keyval_parse_int (pmi->buf, "rc", &rc) == 0 && rc != 0) {
result = rc;
goto done;
}
result = PMI_SUCCESS;
done:
return result;
}