コード例 #1
0
ファイル: volume.c プロジェクト: mariodebian/pam-usb-tcos
static LibHalVolume	*pusb_volume_probe(t_pusb_options *opts,
		LibHalContext *ctx)
{
	LibHalVolume	*volume = NULL;
	int				maxtries = 0;
	int				i;

	if (!*(opts->device.volume_uuid))
	{
		log_debug("No UUID configured for device\n");
		return (NULL);
	}
	log_debug("Searching for volume with uuid %s\n", opts->device.volume_uuid);
	maxtries = ((opts->probe_timeout * 1000000) / 250000);
	for (i = 0; i < maxtries; ++i)
	{
		char	*udi = NULL;

		if (i == 1)
			log_info("Probing volume (this could take a while)...\n");
		udi = pusb_hal_find_item(ctx,
				"volume.uuid", opts->device.volume_uuid,
				NULL);
		if (!udi)
		{
			usleep(250000);
			continue;
		}
		volume = libhal_volume_from_udi(ctx, udi);
		libhal_free_string(udi);
		if (!libhal_volume_should_ignore(volume))
			return (volume);
		libhal_volume_free(volume);
		usleep(250000);
	}
	return (NULL);
}
static void
thunar_vfs_volume_manager_hal_device_added (LibHalContext *context,
                                            const gchar   *udi)
{
  ThunarVfsVolumeManagerHal *manager_hal = libhal_ctx_get_user_data (context);
  ThunarVfsVolumeHal        *volume_hal;
  LibHalVolume              *hv;
  LibHalDrive               *hd;
  const gchar               *drive_udi;

  _thunar_vfs_return_if_fail (THUNAR_VFS_IS_VOLUME_MANAGER_HAL (manager_hal));
  _thunar_vfs_return_if_fail (manager_hal->context == context);

  /* check if we have a volume here */
  hv = libhal_volume_from_udi (context, udi);

  /* HAL might want us to ignore this volume for some reason */
  if (G_UNLIKELY (hv != NULL && libhal_volume_should_ignore (hv)))
    {
      libhal_volume_free (hv);
      return;
    }

  /* emit the "device-added" signal (to support thunar-volman) */
  g_signal_emit_by_name (G_OBJECT (manager_hal), "device-added", udi);

  if (G_LIKELY (hv != NULL))
    {
      /* check if we have a mountable file system here */
      if (libhal_volume_get_fsusage (hv) == LIBHAL_VOLUME_USAGE_MOUNTABLE_FILESYSTEM)
        {
          /* determine the UDI of the drive to which this volume belongs */
          drive_udi = libhal_volume_get_storage_device_udi (hv);
          if (G_LIKELY (drive_udi != NULL))
            {
              /* determine the drive for the volume */
              hd = libhal_drive_from_udi (context, drive_udi);
              if (G_LIKELY (hd != NULL))
                {
                  /* check if we already have a volume object for the UDI */
                  volume_hal = thunar_vfs_volume_manager_hal_get_volume_by_udi (manager_hal, udi);
                  if (G_LIKELY (volume_hal == NULL))
                    {
                      /* otherwise, we allocate a new volume object */
                      volume_hal = g_object_new (THUNAR_VFS_TYPE_VOLUME_HAL, NULL);
                      volume_hal->udi = g_strdup (udi);
                    }

                  /* update the volume object with the new data from the HAL volume/drive */
                  thunar_vfs_volume_hal_update (volume_hal, context, hv, hd);

                  /* add the volume object to our list if we allocated a new one */
                  if (g_list_find (THUNAR_VFS_VOLUME_MANAGER (manager_hal)->volumes, volume_hal) == NULL)
                    {
                      /* add the volume to the volume manager */
                      thunar_vfs_volume_manager_add (THUNAR_VFS_VOLUME_MANAGER (manager_hal), THUNAR_VFS_VOLUME (volume_hal));

                      /* release the reference on the volume */
                      g_object_unref (G_OBJECT (volume_hal));
                    }

                  /* release the HAL drive */
                  libhal_drive_free (hd);
                }
            }
        }

      /* release the HAL volume */
      libhal_volume_free (hv);
    }
  else
    {
      /* but maybe we have a floppy disk drive here */
      hd = libhal_drive_from_udi (context, udi);
      if (G_UNLIKELY (hd == NULL))
        return;

      /* check if we have a floppy disk drive */
      if (G_LIKELY (libhal_drive_get_type (hd) == LIBHAL_DRIVE_TYPE_FLOPPY))
        {
          /* check if we already have a volume object for the UDI */
          volume_hal = thunar_vfs_volume_manager_hal_get_volume_by_udi (manager_hal, udi);
          if (G_LIKELY (volume_hal == NULL))
            {
              /* otherwise, we allocate a new volume object */
              volume_hal = g_object_new (THUNAR_VFS_TYPE_VOLUME_HAL, NULL);
              volume_hal->udi = g_strdup (udi);
            }

          /* update the volume object with the new data from the HAL volume/drive */
          thunar_vfs_volume_hal_update (volume_hal, context, NULL, hd);

          /* add the volume object to our list if we allocated a new one */
          if (g_list_find (THUNAR_VFS_VOLUME_MANAGER (manager_hal)->volumes, volume_hal) == NULL)
            {
              /* add the volume to the volume manager */
              thunar_vfs_volume_manager_add (THUNAR_VFS_VOLUME_MANAGER (manager_hal), THUNAR_VFS_VOLUME (volume_hal));

              /* release the reference on the volume */
              g_object_unref (G_OBJECT (volume_hal));
            }
        }

      /* release the HAL drive */
      libhal_drive_free (hd);
    }
}