int module_sendmsg (module_t *p, const flux_msg_t *msg)
{
flux_msg_t *cpy = NULL;
int type;
int rc = -1;
if (!msg)
return 0;
if (flux_msg_get_type (msg, &type) < 0)
goto done;
switch (type) {
case FLUX_MSGTYPE_REQUEST: { /* simulate DEALER socket */
char uuid[16];
snprintf (uuid, sizeof (uuid), "%u", p->rank);
if (!(cpy = flux_msg_copy (msg, true)))
goto done;
if (flux_msg_push_route (cpy, uuid) < 0)
goto done;
if (flux_msg_sendzsock (p->sock, cpy) < 0)
goto done;
break;
}
case FLUX_MSGTYPE_RESPONSE: { /* simulate ROUTER socket */
if (!(cpy = flux_msg_copy (msg, true)))
goto done;
if (flux_msg_pop_route (cpy, NULL) < 0)
goto done;
if (flux_msg_sendzsock (p->sock, cpy) < 0)
goto done;
break;
}
default:
if (flux_msg_sendzsock (p->sock, msg) < 0)
goto done;
break;
}
rc = 0;
done:
flux_msg_destroy (cpy);
return rc;
}
static int op_send (void *impl, const flux_msg_t *msg, int flags)
{
ctx_t *ctx = impl;
assert (ctx->magic == MODHANDLE_MAGIC);
flux_msg_t *cpy = NULL;
int type;
int rc = -1;
if (connect_socket (ctx) < 0)
goto done;
if (flux_msg_get_type (msg, &type) < 0)
goto done;
switch (type) {
case FLUX_MSGTYPE_REQUEST:
case FLUX_MSGTYPE_EVENT:
if (!(cpy = flux_msg_copy (msg, true)))
goto done;
if (flux_msg_enable_route (cpy) < 0)
goto done;
if (flux_msg_push_route (cpy, ctx->uuid) < 0)
goto done;
if (flux_msg_sendzsock (ctx->sock, cpy) < 0)
goto done;
break;
case FLUX_MSGTYPE_RESPONSE:
case FLUX_MSGTYPE_KEEPALIVE:
if (flux_msg_sendzsock (ctx->sock, msg) < 0)
goto done;
break;
default:
errno = EINVAL;
goto done;
}
rc = 0;
done:
flux_msg_destroy (cpy);
return rc;
}
/* Send shutdown request, broker to module.
*/
int module_stop (module_t *p, const flux_msg_t *rmmod)
{
assert (p->magic == MODULE_MAGIC);
char *topic = xasprintf ("%s.shutdown", p->name);
flux_msg_t *msg;
int rc = -1;
if (!(msg = flux_msg_create (FLUX_MSGTYPE_REQUEST)))
goto done;
if (flux_msg_set_topic (msg, topic) < 0)
goto done;
if (flux_msg_sendzsock (p->sock, msg) < 0)
goto done;
if (rmmod) {
flux_msg_t *cpy = flux_msg_copy (rmmod, true);
if (!cpy || zlist_append (p->rmmod, cpy) < 0)
oom ();
}
rc = 0;
done:
free (topic);
flux_msg_destroy (msg);
return rc;
}
