static gboolean
moo_cb (GNode *node, gpointer data)
{
GUsbDevice *device = G_USB_DEVICE (node->data);
GNode *n;
guint i;
const gchar *tmp;
gchar *product = NULL;
gchar *vendor = NULL;
GString *str = NULL;
if (device == NULL) {
g_print ("Root Device\n");
return FALSE;
}
/* indent */
str = g_string_new ("");
for (n = node; n->data != NULL; n = n->parent)
g_string_append (str, " ");
/* add bus:address */
g_string_append_printf (str, "%02x:%02x [%04x:%04x]",
g_usb_device_get_bus (device),
g_usb_device_get_address (device),
g_usb_device_get_vid (device),
g_usb_device_get_pid (device));
/* pad */
for (i = str->len; i < 30; i++)
g_string_append (str, " ");
/* We don't error check these as not all devices have these
(and the device_open may have failed). */
g_usb_device_open (device, NULL);
vendor = g_usb_device_get_string_descriptor (device,
g_usb_device_get_manufacturer_index (device),
NULL);
product = g_usb_device_get_string_descriptor (device,
g_usb_device_get_product_index (device),
NULL);
/* lookup from usb.ids */
if (vendor == NULL) {
tmp = g_usb_device_get_vid_as_str (device);
if (tmp != NULL)
vendor = g_strdup (tmp);
}
if (product == NULL) {
tmp = g_usb_device_get_pid_as_str (device);
if (tmp != NULL)
product = g_strdup (tmp);
}
/* a hub */
if (g_usb_device_get_device_class (device) == 0x09 && product == NULL) {
product = g_strdup ("USB HUB");
}
/* fall back to the VID/PID */
if (product == NULL)
product = g_strdup ("Unknown");
if (vendor == NULL)
vendor = g_strdup ("Unknown");
/* add bus:address */
g_string_append_printf (str, "%s - %s", vendor, product);
g_free (product);
g_free (vendor);
g_print ("%s\n", str->str);
g_string_free (str, TRUE);
return FALSE;
}
static gboolean
fu_usb_device_open (FuDevice *device, GError **error)
{
FuUsbDevice *self = FU_USB_DEVICE (device);
FuUsbDevicePrivate *priv = GET_PRIVATE (self);
FuUsbDeviceClass *klass = FU_USB_DEVICE_GET_CLASS (device);
guint idx;
g_autoptr(FuDeviceLocker) locker = NULL;
g_return_val_if_fail (FU_IS_USB_DEVICE (self), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
/* already open */
if (priv->usb_device_locker != NULL)
return TRUE;
/* open */
locker = fu_device_locker_new (priv->usb_device, error);
if (locker == NULL)
return FALSE;
/* get vendor */
if (fu_device_get_vendor (device) == NULL) {
idx = g_usb_device_get_manufacturer_index (priv->usb_device);
if (idx != 0x00) {
g_autofree gchar *tmp = NULL;
tmp = g_usb_device_get_string_descriptor (priv->usb_device,
idx, error);
if (tmp == NULL)
return FALSE;
fu_device_set_vendor (device, tmp);
}
}
/* get product */
if (fu_device_get_name (device) == NULL) {
idx = g_usb_device_get_product_index (priv->usb_device);
if (idx != 0x00) {
g_autofree gchar *tmp = NULL;
tmp = g_usb_device_get_string_descriptor (priv->usb_device,
idx, error);
if (tmp == NULL)
return FALSE;
fu_device_set_name (device, tmp);
}
}
/* get serial number */
if (fu_device_get_serial (device) == NULL) {
idx = g_usb_device_get_serial_number_index (priv->usb_device);
if (idx != 0x00) {
g_autofree gchar *tmp = NULL;
tmp = g_usb_device_get_string_descriptor (priv->usb_device,
idx, error);
if (tmp == NULL)
return FALSE;
fu_device_set_serial (device, tmp);
}
}
/* get version number, falling back to the USB device release */
idx = g_usb_device_get_custom_index (priv->usb_device,
G_USB_DEVICE_CLASS_VENDOR_SPECIFIC,
'F', 'W', NULL);
if (idx != 0x00) {
g_autofree gchar *tmp = NULL;
tmp = g_usb_device_get_string_descriptor (priv->usb_device, idx, NULL);
fu_device_set_version (device, tmp);
}
/* get GUID from the descriptor if set */
idx = g_usb_device_get_custom_index (priv->usb_device,
G_USB_DEVICE_CLASS_VENDOR_SPECIFIC,
'G', 'U', NULL);
if (idx != 0x00) {
g_autofree gchar *tmp = NULL;
tmp = g_usb_device_get_string_descriptor (priv->usb_device, idx, NULL);
fu_device_add_guid (device, tmp);
}
/* subclassed */
if (klass->open != NULL) {
if (!klass->open (self, error))
return FALSE;
}
/* success */
priv->usb_device_locker = g_steal_pointer (&locker);
return TRUE;
}
