static void
g_usb_context_add_device (GUsbContext *context,
struct libusb_device *dev)
{
GUsbDevice *device = NULL;
GUsbContextPrivate *priv = context->priv;
guint8 bus;
guint8 address;
GError *error = NULL;
/* does any existing device exist */
bus = libusb_get_bus_number (dev);
address = libusb_get_device_address (dev);
if (priv->done_enumerate)
device = g_usb_context_find_by_bus_address (context, bus, address, NULL);
if (device != NULL) {
g_debug ("%i:%i already exists", bus, address);
goto out;
}
/* add the device */
device = _g_usb_device_new (context, dev, &error);
if (device == NULL) {
g_debug ("There was a problem creating the device: %s",
error->message);
g_error_free (error);
goto out;
}
g_ptr_array_add (priv->devices, g_object_ref (device));
g_usb_context_emit_device_add (context, device);
out:
if (device != NULL)
g_object_unref (device);
}
static void
g_usb_context_remove_device (GUsbContext *context,
struct libusb_device *dev)
{
GUsbDevice *device = NULL;
GUsbContextPrivate *priv = context->priv;
guint8 bus;
guint8 address;
/* does any existing device exist */
bus = libusb_get_bus_number (dev);
address = libusb_get_device_address (dev);
device = g_usb_context_find_by_bus_address (context, bus, address, NULL);
if (device == NULL) {
g_debug ("%i:%i does not exist", bus, address);
return;
}
g_usb_context_emit_device_remove (context, device);
g_ptr_array_remove (priv->devices, device);
g_object_unref (device);
}
/**
* cd_sensor_open_usb_device:
**/
GUsbDevice *
cd_sensor_open_usb_device (CdSensor *sensor,
gint config,
gint interface,
GError **error)
{
#ifdef HAVE_UDEV
CdSensorPrivate *priv = GET_PRIVATE (sensor);
guint8 busnum;
guint8 devnum;
g_autoptr(GUsbDevice) device = NULL;
/* convert from GUdevDevice to GUsbDevice */
busnum = g_udev_device_get_sysfs_attr_as_int (priv->device, "busnum");
devnum = g_udev_device_get_sysfs_attr_as_int (priv->device, "devnum");
device = g_usb_context_find_by_bus_address (priv->usb_ctx,
busnum, devnum, error);
if (device == NULL)
return NULL;
/* open device, set config and claim interface */
if (!g_usb_device_open (device, error))
return NULL;
if (!g_usb_device_set_configuration (device, config, error))
return NULL;
if (!g_usb_device_claim_interface (device, interface,
G_USB_DEVICE_CLAIM_INTERFACE_BIND_KERNEL_DRIVER,
error)) {
return NULL;
}
return g_object_ref (device);
#else
g_set_error_literal (error, 1, 0, "failed: no gudev support");
return NULL;
#endif
}
