int shutdown_recvmsg (shutdown_t *s, const flux_msg_t *msg)
{
int rc = -1;
if (!s->w) {
if (shutdown_decode (msg, &s->grace, &s->rc, &s->rank,
s->reason, sizeof (s->reason)) < 0)
goto done;
if (!(s->w = flux_timer_watcher_create (s->grace, 0., shutdown_cb, s)))
goto done;
flux_timer_watcher_start (s->h, s->w);
if (flux_rank (s->h) == 0)
flux_log (s->h, LOG_INFO, "%d: shutdown in %.3fs: %s",
s->rank, s->grace, s->reason);
}
rc = 0;
done:
return rc;
}
/* On receipt of the shutdown event message, begin the grace timer,
* and log the "shutdown in..." message on rank 0.
*/
void shutdown_handler (flux_t h, flux_msg_handler_t *w,
const flux_msg_t *msg, void *arg)
{
shutdown_t *s = arg;
if (!s->timer) {
if (shutdown_decode (msg, &s->grace, &s->rc, &s->rank,
s->reason, sizeof (s->reason)) < 0) {
flux_log_error (h, "shutdown event");
return;
}
if (!(s->timer = flux_timer_watcher_create (flux_get_reactor (s->h),
s->grace, 0.,
timer_handler, s))) {
flux_log_error (h, "shutdown timer creation");
return;
}
flux_watcher_start (s->timer);
if (s->myrank == 0)
flux_log (s->h, LOG_INFO, "shutdown in %.3fs: %s",
s->grace, s->reason);
}
}