flux_rpc_t *flux_rpc_multi (flux_t h, const char *topic, const char *json_str,
const char *nodeset, int flags)
{
nodeset_t *ns = NULL;
nodeset_iterator_t *itr = NULL;
flux_rpc_t *rpc = NULL;
int i;
uint32_t count;
if (!topic || !nodeset) {
errno = EINVAL;
goto error;
}
if (!strcmp (nodeset, "all")) {
if (flux_get_size (h, &count) < 0)
goto error;
ns = nodeset_create_range (0, count - 1);
} else {
if ((ns = nodeset_create_string (nodeset)))
count = nodeset_count (ns);
}
if (!ns) {
errno = EINVAL;
goto error;
}
if (!(rpc = rpc_create (h, flags, count)))
goto error;
if (!(itr = nodeset_iterator_create (ns)))
goto error;
for (i = 0; i < count; i++) {
uint32_t nodeid = nodeset_next (itr);
assert (nodeid != NODESET_EOF);
if (rpc_request_send (rpc, i, topic, json_str, nodeid) < 0)
goto error;
if (!rpc->oneway)
rpc->nodemap[i] = nodeid;
}
nodeset_iterator_destroy (itr);
return rpc;
error:
if (rpc)
flux_rpc_destroy (rpc);
if (itr)
nodeset_iterator_destroy (itr);
if (ns)
nodeset_destroy (ns);
return NULL;
}
flux_rpc_t *flux_rpc_multi (flux_t *h,
const char *topic,
const char *json_str,
const char *nodeset,
int flags)
{
nodeset_t *ns = NULL;
nodeset_iterator_t *itr = NULL;
flux_rpc_t *rpc = NULL;
int i;
uint32_t count;
int rx_expected;
if (!topic || !nodeset) {
errno = EINVAL;
goto error;
}
if (!strcmp (nodeset, "all")) {
if (flux_get_size (h, &count) < 0)
goto error;
ns = nodeset_create_range (0, count - 1);
} else {
if ((ns = nodeset_create_string (nodeset)))
count = nodeset_count (ns);
}
if (!ns) {
errno = EINVAL;
goto error;
}
rx_expected = count;
if ((flags & FLUX_RPC_NORESPONSE))
rx_expected = 0;
if (!(rpc = rpc_create (h, rx_expected)))
goto error;
if (!(itr = nodeset_iterator_create (ns)))
goto error;
#if HAVE_CALIPER
cali_begin_string_byname ("flux.message.rpc", "multi");
cali_begin_int_byname ("flux.message.response_expected",
!(flags & FLUX_RPC_NORESPONSE));
#endif
for (i = 0; i < count; i++) {
uint32_t nodeid = nodeset_next (itr);
assert (nodeid != NODESET_EOF);
#if HAVE_CALIPER
cali_begin_int_byname ("flux.message.rpc.nodeid", nodeid);
#endif
if (rpc_request_send (rpc, topic, nodeid, json_str) < 0)
goto error;
#if HAVE_CALIPER
cali_end_byname ("flux.message.rpc.nodeid");
#endif
}
#if HAVE_CALIPER
cali_end_byname ("flux.message.response_expected");
cali_end_byname ("flux.message.rpc");
#endif
nodeset_iterator_destroy (itr);
return rpc;
error:
if (rpc)
flux_rpc_destroy (rpc);
if (itr)
nodeset_iterator_destroy (itr);
if (ns)
nodeset_destroy (ns);
return NULL;
}