static void cb_parse_object(struct libusb_transfer *transfer)
{
struct aura_node *node = transfer->user_data;
struct usb_dev_info *inf = aura_get_transportdata(node);
char is_method;
char *name, *afmt, *rfmt;
check_control(transfer);
name = (char *) libusb_control_transfer_get_data(transfer);
is_method = *name++;
afmt = next(name);
rfmt = next(afmt);
slog(4, SLOG_DEBUG, "usb: got %s %s / '%s' '%s'",
is_method ? "method" : "event",
name, afmt, rfmt);
aura_etable_add(inf->etbl, name,
is_method ? afmt : NULL,
rfmt);
if (inf->current_object == inf->num_objects) {
slog(4, SLOG_DEBUG, "etable becomes active");
aura_etable_activate(inf->etbl);
aura_set_status(node, AURA_STATUS_ONLINE);
inf->state = AUSB_DEVICE_OPERATIONAL;
itransfer_enable(node, true);
return;
}
slog(4, SLOG_DEBUG, "Requesting info about obj %d", inf->current_object);
/* Resubmit the transfer for the next round */
request_object(node, inf->current_object++);
}
static int l_etable_activate(lua_State *L)
{
struct aura_export_table *tbl;
TRACE();
aura_check_args(L, 1);
if (!lua_islightuserdata(L, 1))
aura_typeerror(L, 1, "ludata");
tbl = lua_touserdata(L, 1);
aura_etable_activate(tbl);
return 0;
}
static int gpio_open(struct aura_node *node, const char *opts)
{
slog(0, SLOG_INFO, "Opening sysfs/gpio transport");
struct aura_export_table *etbl = aura_etable_create(node, 16);
if (!etbl)
BUG(node, "Failed to create etable");
aura_etable_add(etbl, "write", "33", "");
aura_etable_add(etbl, "read", "3", "3");
aura_etable_add(etbl, "out", "3", "");
aura_etable_add(etbl, "in", "3", "");
aura_etable_add(etbl, "export", "3", "3");
aura_etable_add(etbl, "watch", "3", "");
//Change notification
aura_etable_add(etbl, "gpio_changed", NULL, "333");
aura_etable_activate(etbl);
aura_set_status(node, AURA_STATUS_ONLINE);
slog(0, SLOG_INFO, "Opened sysfs/gpio transport");
return 0;
}
static void susb_handle_event(struct aura_node *node, enum node_event evt, const struct aura_pollfds *fd)
{
struct aura_buffer *buf;
struct usb_dev_info *inf = aura_get_transportdata(node);
ncusb_handle_events_nonblock_once(node, inf->ctx, inf->timer);
if (inf->cbusy)
return;
if (evt == NODE_EVENT_STARTED) {
aura_etable_activate(inf->etbl);
/* Activate our export table
* Hack: Since libusb tends to send and receive data in one buffer,
* we need to adjust argument buffer to fit in return values as well.
* It helps us to avoid needless copying.
*/
int i;
for (i = 0; i < inf->etbl->next; i++) {
struct aura_object *tmp;
tmp = &inf->etbl->objects[i];
tmp->arglen += tmp->retlen;
}
inf->etbl = NULL;
ncusb_watch_for_device(inf->ctx, &inf->dev_descr);
ncusb_start_descriptor_watching(node, inf->ctx);
slog(1, SLOG_INFO, "usb: Now looking for a device %x:%x %s/%s/%s",
inf->dev_descr.vid, inf->dev_descr.pid,
inf->dev_descr.vendor, inf->dev_descr.product, inf->dev_descr.serial);
} else if (inf->state == SUSB_DEVICE_RESTART) {
susb_offline_transport(inf);
} else if (inf->state == SUSB_DEVICE_OPERATIONAL) {
buf = aura_peek_buffer(&node->outbound_buffers);
if (buf)
susb_issue_call(node, buf);
}
}
