/* Received response message from broker.
* Look up the sender uuid in clients hash and deliver.
* Responses for disconnected clients are silently discarded.
*/
static void response_cb (flux_t h, flux_msg_watcher_t *w,
const flux_msg_t *msg, void *arg)
{
ctx_t *ctx = arg;
char *uuid = NULL;
client_t *c;
flux_msg_t *cpy = flux_msg_copy (msg, true);
if (!cpy)
oom ();
if (flux_msg_pop_route (cpy, &uuid) < 0)
goto done;
if (flux_msg_clear_route (cpy) < 0)
goto done;
c = zlist_first (ctx->clients);
while (c) {
if (!strcmp (uuid, zuuid_str (c->uuid))) {
if (client_send_nocopy (c, &cpy) < 0) { /* FIXME handle errors */
flux_log (h, LOG_ERR, "%s: client_send %s: %s",
__FUNCTION__, zuuid_str (c->uuid), strerror (errno));
errno = 0;
}
break;
}
c = zlist_next (ctx->clients);
}
if (uuid)
free (uuid);
done:
flux_msg_destroy (cpy);
}
flux_msg_t *module_recvmsg (module_t *p)
{
flux_msg_t *msg = NULL;
int type;
assert (p->magic == MODULE_MAGIC);
if (!(msg = flux_msg_recvzsock (p->sock)))
goto error;
if (flux_msg_get_type (msg, &type) == 0 && type == FLUX_MSGTYPE_RESPONSE) {
if (flux_msg_pop_route (msg, NULL) < 0) /* simulate DEALER socket */
goto error;
}
return msg;
error:
flux_msg_destroy (msg);
return NULL;
}
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;
}