int main() {
slog_init(NULL, 18);
int count = 5;
int ret;
struct aura_node *n = aura_open("dummy", NULL);
aura_wait_status(n, AURA_STATUS_ONLINE);
struct aura_buffer *retbuf;
const struct aura_object *o;
aura_enable_sync_events(n, 5);
while (count--) {
ret = aura_get_next_event(n, &o, &retbuf);
slog(0, SLOG_DEBUG, "evt get ret %d", ret);
aura_hexdump("Out buffer", retbuf->data, retbuf->size);
aura_buffer_release(retbuf);
}
aura_close(n);
return 0;
}
/* This one is small, but tricky */
static void aura_handle_inbound(struct aura_node *node)
{
while(1) {
struct aura_buffer *buf;
struct aura_object *o;
buf = aura_dequeue_buffer(&node->inbound_buffers);
if (!buf)
break;
o = buf->object;
node->current_object = o;
aura_buffer_rewind(buf);
slog(4, SLOG_DEBUG, "Handling %s id %d (%s) sync_call_running=%d",
object_is_method(o) ? "response" : "event",
o->id, o->name, node->sync_call_running);
if (object_is_method(o) && !o->pending) {
slog(0, SLOG_WARN, "Dropping orphan call result %d (%s)",
o->id, o->name);
aura_buffer_release(node, buf);
} else if (o->calldonecb) {
slog(4, SLOG_DEBUG, "Callback for method/event %d (%s)",
o->id, o->name);
o->calldonecb(node, AURA_CALL_COMPLETED, buf, o->arg);
aura_buffer_release(node, buf);
} else if (object_is_method(o) && (node->sync_call_running)) {
slog(4, SLOG_DEBUG, "Completing call for method %d (%s)",
o->id, o->name);
node->sync_call_result = AURA_CALL_COMPLETED;
node->sync_ret_buf = buf;
o->pending--;
if (o->pending < 0)
BUG(node, "Internal BUG: pending evt count lesser than zero");
} else {
/* This one is tricky. We have an event with no callback */
if (node->sync_event_max > 0) { /* Queue it up into event_queue if it's enabled */
/* If we have an overrun - drop the oldest event to free up space first*/
if (node->sync_event_max <= node->sync_event_count) {
struct aura_buffer *todrop;
const struct aura_object *dummy;
int ret = aura_get_next_event(node, &dummy, &todrop);
if (ret != 0)
BUG(node, "Internal bug, no next event");
aura_buffer_release(node, todrop);
}
/* Now just queue the next one */
aura_queue_buffer(&node->event_buffers, buf);
node->sync_event_count++;
slog(4, SLOG_DEBUG, "Queued event %d (%s) for sync readout",
o->id, o->name);
} else {
/* Last resort - try the catch-all event callback */
if (node->unhandled_evt_cb)
node->unhandled_evt_cb(node, buf, node->unhandled_evt_arg);
else /* Or just drop it with a warning */
slog(0, SLOG_WARN, "Dropping event %d (%s)",
o->id, o->name);
aura_buffer_release(node, buf);
}
}
}
node->current_object = NULL;
}
