/**
* gmw_probe_use_device:
**/
static gboolean
gmw_probe_use_device (GUdevClient *udev_client,
const gchar *block_dev,
GCancellable *cancellable,
GError **error)
{
_cleanup_object_unref_ GUdevDevice *udev_device = NULL;
GmwProbeDevice *dev;
/* create worker object */
dev = g_new0 (GmwProbeDevice, 1);
dev->block_dev = g_strdup (block_dev);
dev->data_save = g_ptr_array_new_with_free_func ((GDestroyNotify) gmw_probe_block_free);
/* find udev device */
udev_device = g_udev_client_query_by_device_file (udev_client, block_dev);
if (udev_device == NULL) {
g_set_error (error,
GMW_ERROR,
GMW_ERROR_FAILED,
"Failed to find %s", block_dev);
gmw_probe_device_free (dev);
return FALSE;
}
dev->udev_device = g_udev_device_get_parent_with_subsystem (udev_device,
"usb",
"usb_device");
if (dev->udev_device == NULL) {
g_set_error_literal (error,
GMW_ERROR,
GMW_ERROR_FAILED,
"Not a USB device");
gmw_probe_device_free (dev);
return FALSE;
}
/* actually do the scanning now */
if (!gmw_probe_scan_device (dev, cancellable, error)) {
gmw_probe_device_free (dev);
return FALSE;
}
/* success */
gmw_probe_device_free (dev);
return TRUE;
}
/* <internal>
* storaged_linux_drive_object_should_include_device:
* @client: A #GUdevClient.
* @device: A #StoragedLinuxDevice.
* @out_vpd: Return location for unique ID or %NULL.
*
* Checks if we should even construct a #StoragedLinuxDriveObject for @device.
*
* Returns: %TRUE if we should construct an object, %FALSE otherwise.
*/
gboolean
storaged_linux_drive_object_should_include_device (GUdevClient *client,
StoragedLinuxDevice *device,
gchar **out_vpd)
{
gboolean ret;
gchar *vpd;
ret = FALSE;
vpd = NULL;
/* The 'block' subsystem encompasses several objects with varying
* DEVTYPE including
*
* - disk
* - partition
*
* and we are only interested in the first.
*/
if (g_strcmp0 (g_udev_device_get_devtype (device->udev_device), "disk") != 0)
goto out;
vpd = check_for_vpd (device->udev_device);
if (vpd == NULL)
{
const gchar *name;
const gchar *vendor;
const gchar *model;
const gchar *dm_uuid;
GUdevDevice *parent;
name = g_udev_device_get_name (device->udev_device);
/* workaround for floppy devices */
if (g_str_has_prefix (name, "fd"))
{
vpd = g_strdup_printf ("pcfloppy_%s", name);
goto found;
}
/* workaround for missing serial/wwn on virtio-blk */
if (g_str_has_prefix (name, "vd"))
{
vpd = g_strdup (name);
goto found;
}
/* workaround for missing serial/wwn on VMware */
vendor = g_udev_device_get_property (device->udev_device, "ID_VENDOR");
model = g_udev_device_get_property (device->udev_device, "ID_MODEL");
if (g_str_has_prefix (name, "sd") &&
vendor != NULL && g_strcmp0 (vendor, "VMware") == 0 &&
model != NULL && g_str_has_prefix (model, "Virtual"))
{
vpd = g_strdup (name);
goto found;
}
/* workaround for missing serial/wwn on firewire devices */
parent = g_udev_device_get_parent_with_subsystem (device->udev_device, "firewire", NULL);
if (parent != NULL)
{
vpd = g_strdup (name);
g_object_unref (parent);
goto found;
}
/* dm-multipath */
if (is_dm_multipath (device))
{
gchar **slaves;
guint n;
slaves = storaged_daemon_util_resolve_links (g_udev_device_get_sysfs_path (device->udev_device), "slaves");
for (n = 0; slaves[n] != NULL; n++)
{
GUdevDevice *slave;
slave = g_udev_client_query_by_sysfs_path (client, slaves[n]);
if (slave != NULL)
{
vpd = check_for_vpd (slave);
if (vpd != NULL)
{
g_object_unref (slave);
g_strfreev (slaves);
goto found;
}
g_object_unref (slave);
}
}
g_strfreev (slaves);
}
}
found:
if (vpd != NULL)
{
if (out_vpd != NULL)
{
*out_vpd = vpd;
vpd = NULL;
}
ret = TRUE;
}
out:
g_free (vpd);
return ret;
}
