Exemple #1
0
static gboolean
floppy_valid_for_device (const FormatVolume* dev)
{
	g_assert(dev != NULL);
	if(dev->drive)
		return (libhal_drive_get_type(dev->drive) == LIBHAL_DRIVE_TYPE_FLOPPY);

	return FALSE;
}
Exemple #2
0
// Helper function. creates a CStorageDevice from a HAL udi
bool CHALManager::DeviceFromVolumeUdi(const char *udi, CStorageDevice *device)
{
  if (g_HalManager.m_Context == NULL)
    return false;

  LibHalVolume *tempVolume;
  LibHalDrive  *tempDrive;
  bool Created = false;

  tempVolume = libhal_volume_from_udi(g_HalManager.m_Context, udi);
  if (tempVolume)
  {
    const char *DriveUdi = libhal_volume_get_storage_device_udi(tempVolume);
    tempDrive = libhal_drive_from_udi(g_HalManager.m_Context, DriveUdi);

    if (tempDrive)
    {
      char * FriendlyName   = libhal_device_get_property_string(g_HalManager.m_Context, udi, "info.product", NULL);
      device->FriendlyName  = FriendlyName;
      libhal_free_string(FriendlyName);
      char *block = libhal_device_get_property_string(g_HalManager.m_Context, udi, "block.device", NULL);
      device->DevID         = block;
      libhal_free_string(block);

      device->HotPlugged  = (bool)libhal_drive_is_hotpluggable(tempDrive);
      device->Type        = libhal_drive_get_type(tempDrive);
      device->Mounted     = (bool)libhal_volume_is_mounted(tempVolume);
      device->MountPoint  = libhal_volume_get_mount_point(tempVolume);
      if (device->Mounted)
        URIUtils::AddSlashAtEnd(device->MountPoint);
      device->Label       = libhal_volume_get_label(tempVolume);
      device->UUID        = libhal_volume_get_uuid(tempVolume);
      device->FileSystem  = libhal_volume_get_fstype(tempVolume);
      device->HalIgnore   = libhal_device_get_property_bool(g_HalManager.m_Context, udi, "volume.ignore", NULL);
      ApproveDevice(device);

      libhal_drive_free(tempDrive);
      Created = true;
    }
    else
      CLog::Log(LOGERROR, "HAL: Couldn't create a Drive even if we had a volume - %s", udi);

    libhal_volume_free(tempVolume);
  }

  return Created;
}
static void
thunar_vfs_volume_manager_hal_init (ThunarVfsVolumeManagerHal *manager_hal)
{
  LibHalDrive *hd;
  DBusError    error;
  gchar      **drive_udis;
  gchar      **udis;
  gint         n_drive_udis;
  gint         n_udis;
  gint         n, m;

  /* initialize the D-BUS error */
  dbus_error_init (&error);

  /* allocate a HAL context */
  manager_hal->context = libhal_ctx_new ();
  if (G_UNLIKELY (manager_hal->context == NULL))
    return;

  /* try to connect to the system bus */
  manager_hal->dbus_connection = dbus_bus_get (DBUS_BUS_SYSTEM, &error);
  if (G_UNLIKELY (manager_hal->dbus_connection == NULL))
    goto failed;

  /* setup the D-BUS connection for the HAL context */
  libhal_ctx_set_dbus_connection (manager_hal->context, manager_hal->dbus_connection);

  /* connect our manager object to the HAL context */
  libhal_ctx_set_user_data (manager_hal->context, manager_hal);

  /* setup callbacks */
  libhal_ctx_set_device_added (manager_hal->context, thunar_vfs_volume_manager_hal_device_added);
  libhal_ctx_set_device_removed (manager_hal->context, thunar_vfs_volume_manager_hal_device_removed);
  libhal_ctx_set_device_new_capability (manager_hal->context, thunar_vfs_volume_manager_hal_device_new_capability);
  libhal_ctx_set_device_lost_capability (manager_hal->context, thunar_vfs_volume_manager_hal_device_lost_capability);
  libhal_ctx_set_device_property_modified (manager_hal->context, thunar_vfs_volume_manager_hal_device_property_modified);
  libhal_ctx_set_device_condition (manager_hal->context, thunar_vfs_volume_manager_hal_device_condition);

  /* try to initialize the HAL context */
  if (!libhal_ctx_init (manager_hal->context, &error))
    goto failed;

  /* setup the D-BUS connection with the GLib main loop */
  dbus_connection_setup_with_g_main (manager_hal->dbus_connection, NULL);

  /* lookup all drives currently known to HAL */
  drive_udis = libhal_find_device_by_capability (manager_hal->context, "storage", &n_drive_udis, &error);
  if (G_LIKELY (drive_udis != NULL))
    {
      /* process all drives UDIs */
      for (m = 0; m < n_drive_udis; ++m)
        {
          /* determine the LibHalDrive for the drive UDI */
          hd = libhal_drive_from_udi (manager_hal->context, drive_udis[m]);
          if (G_UNLIKELY (hd == NULL))
            continue;

          /* check if we have a floppy disk here */
          if (libhal_drive_get_type (hd) == LIBHAL_DRIVE_TYPE_FLOPPY)
            {
              /* add the drive based on the UDI */
              thunar_vfs_volume_manager_hal_device_added (manager_hal->context, drive_udis[m]);
            }
          else
            {
              /* determine all volumes for the given drive */
              udis = libhal_drive_find_all_volumes (manager_hal->context, hd, &n_udis);
              if (G_LIKELY (udis != NULL))
                {
                  /* add volumes for all given UDIs */
                  for (n = 0; n < n_udis; ++n)
                    {
                      /* add the volume based on the UDI */
                      thunar_vfs_volume_manager_hal_device_added (manager_hal->context, udis[n]);
                      
                      /* release the UDI (HAL bug #5279) */
                      free (udis[n]);
                    }

                  /* release the UDIs array (HAL bug #5279) */
                  free (udis);
                }
            }

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

      /* release the drive UDIs */
      libhal_free_string_array (drive_udis);
    }

  /* watch all devices for changes */
  if (!libhal_device_property_watch_all (manager_hal->context, &error))
    goto failed;

  return;

failed:
  /* release the HAL context */
  if (G_LIKELY (manager_hal->context != NULL))
    {
      libhal_ctx_free (manager_hal->context);
      manager_hal->context = NULL;
    }

  /* print a warning message */
  if (dbus_error_is_set (&error))
    {
      g_warning (_("Failed to connect to the HAL daemon: %s"), error.message);
      dbus_error_free (&error);
    }
}
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);
    }
}
static void
thunar_vfs_volume_hal_update (ThunarVfsVolumeHal *volume_hal,
                              LibHalContext      *context,
                              LibHalVolume       *hv,
                              LibHalDrive        *hd)
{
  gchar *desired_mount_point;
  gchar *mount_root;
  gchar *basename;
  gchar *filename;

  _thunar_vfs_return_if_fail (THUNAR_VFS_IS_VOLUME_HAL (volume_hal));
  _thunar_vfs_return_if_fail (hd != NULL);

  /* reset the volume status */
  volume_hal->status = 0;

  /* determine the new device file */
  g_free (volume_hal->device_file);
  volume_hal->device_file = g_strdup ((hv != NULL) ? libhal_volume_get_device_file (hv) : libhal_drive_get_device_file (hd));

  /* compute a usable display name for the volume/drive */
  g_free (volume_hal->device_label);
  volume_hal->device_label = (hv == NULL)
    ? exo_hal_drive_compute_display_name (context, hd)
    : exo_hal_volume_compute_display_name (context, hv, hd);
  if (G_UNLIKELY (volume_hal->device_label == NULL))
    {
      /* use the basename of the device file as label */
      volume_hal->device_label = g_path_get_basename (volume_hal->device_file);
    }

  /* compute a usable list of icon names for the volume/drive */
  g_list_foreach (volume_hal->icon_list, (GFunc) g_free, NULL);
  g_list_free (volume_hal->icon_list);
  volume_hal->icon_list = (hv == NULL)
    ? exo_hal_drive_compute_icon_list (context, hd)
    : exo_hal_volume_compute_icon_list (context, hv, hd);

  /* release the previous mount point (if any) */
  if (G_LIKELY (volume_hal->mount_point != NULL))
    {
      thunar_vfs_path_unref (volume_hal->mount_point);
      volume_hal->mount_point = NULL;
    }

  /* determine the type of the volume */
  switch (libhal_drive_get_type (hd))
    {
    case LIBHAL_DRIVE_TYPE_CDROM:
      /* check if we have a pure audio CD without any data track */
      if (libhal_volume_disc_has_audio (hv) && !libhal_volume_disc_has_data (hv))
        {
          /* special treatment for pure audio CDs */
          volume_hal->kind = THUNAR_VFS_VOLUME_KIND_AUDIO_CD;
        }
      else
        {
          /* check which kind of CD-ROM/DVD we have */
          switch (libhal_volume_get_disc_type (hv))
            {
            case LIBHAL_VOLUME_DISC_TYPE_CDROM:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_CDROM;
              break;

            case LIBHAL_VOLUME_DISC_TYPE_CDR:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_CDR;
              break;

            case LIBHAL_VOLUME_DISC_TYPE_CDRW:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_CDRW;
              break;

            case LIBHAL_VOLUME_DISC_TYPE_DVDROM:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_DVDROM;
              break;

            case LIBHAL_VOLUME_DISC_TYPE_DVDRAM:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_DVDRAM;
              break;

            case LIBHAL_VOLUME_DISC_TYPE_DVDR:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_DVDR;
              break;

            case LIBHAL_VOLUME_DISC_TYPE_DVDRW:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_DVDRW;
              break;

            case LIBHAL_VOLUME_DISC_TYPE_DVDPLUSR:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_DVDPLUSR;
              break;

            case LIBHAL_VOLUME_DISC_TYPE_DVDPLUSRW:
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_DVDPLUSRW;
              break;

            default:
              /* unsupported disc type */
              volume_hal->kind = THUNAR_VFS_VOLUME_KIND_UNKNOWN;
              break;
            }
        }
      break;

    case LIBHAL_DRIVE_TYPE_FLOPPY:
      volume_hal->kind = THUNAR_VFS_VOLUME_KIND_FLOPPY;
      break;

    case LIBHAL_DRIVE_TYPE_PORTABLE_AUDIO_PLAYER:
      volume_hal->kind = THUNAR_VFS_VOLUME_KIND_AUDIO_PLAYER;
      break;

    case LIBHAL_DRIVE_TYPE_SMART_MEDIA:
    case LIBHAL_DRIVE_TYPE_SD_MMC:
      volume_hal->kind = THUNAR_VFS_VOLUME_KIND_MEMORY_CARD;
      break;

    default:
      /* check if the drive is connected to the USB bus */
      if (libhal_drive_get_bus (hd) == LIBHAL_DRIVE_BUS_USB)
        {
          /* we consider the drive to be an USB stick */
          volume_hal->kind = THUNAR_VFS_VOLUME_KIND_USBSTICK;
        }
      else if (libhal_drive_uses_removable_media (hd)
            || libhal_drive_is_hotpluggable (hd))
        {
          /* fallback to generic removable disk */
          volume_hal->kind = THUNAR_VFS_VOLUME_KIND_REMOVABLE_DISK;
        }
      else
        {
          /* fallback to harddisk drive */
          volume_hal->kind = THUNAR_VFS_VOLUME_KIND_HARDDISK;
        }
      break;
    }

  /* either we have a volume, which means we have media, or
   * a drive, which means non-pollable then, so it's present
   */
  volume_hal->status |= THUNAR_VFS_VOLUME_STATUS_PRESENT;
  
  /* figure out if the volume is mountable */
  if(hv != NULL && libhal_volume_get_fsusage (hv) == LIBHAL_VOLUME_USAGE_MOUNTABLE_FILESYSTEM)
    volume_hal->status |= THUNAR_VFS_VOLUME_STATUS_MOUNTABLE;

  /* check if the drive requires eject */
  volume_hal->requires_eject = libhal_drive_requires_eject (hd);

  /* check if the volume is currently mounted */
  if (hv != NULL && libhal_volume_is_mounted (hv))
    {
      /* try to determine the new mount point */
      volume_hal->mount_point = thunar_vfs_path_new (libhal_volume_get_mount_point (hv), NULL);

      /* we only mark the volume as mounted if we have a valid mount point */
      if (G_LIKELY (volume_hal->mount_point != NULL))
        volume_hal->status |= THUNAR_VFS_VOLUME_STATUS_MOUNTED | THUNAR_VFS_VOLUME_STATUS_PRESENT;
    }
  else
    {
      /* we don't trust HAL, so let's see what the kernel says about the volume */
      volume_hal->mount_point = thunar_vfs_volume_hal_find_active_mount_point (volume_hal);

      /* we must have been mounted successfully if we have a mount point */
      if (G_LIKELY (volume_hal->mount_point != NULL))
        volume_hal->status |= THUNAR_VFS_VOLUME_STATUS_MOUNTED | THUNAR_VFS_VOLUME_STATUS_PRESENT;
    }

  /* check if we have to figure out the mount point ourself */
  if (G_UNLIKELY (volume_hal->mount_point == NULL))
    {
      /* ask HAL for the default mount root (falling back to /media otherwise) */
      mount_root = libhal_device_get_property_string (context, "/org/freedesktop/Hal/devices/computer", "storage.policy.default.mount_root", NULL);
      if (G_UNLIKELY (mount_root == NULL || !g_path_is_absolute (mount_root)))
        {
          /* fallback to /media (seems to be sane) */
          g_free (mount_root);
          mount_root = g_strdup ("/media");
        }

      /* lets see, maybe /etc/fstab knows where to mount */
      volume_hal->mount_point = thunar_vfs_volume_hal_find_fstab_mount_point (volume_hal);

      /* if we still don't have a mount point, ask HAL */
      if (G_UNLIKELY (volume_hal->mount_point == NULL))
        {
          /* determine the desired mount point and prepend the mount root */
          desired_mount_point = libhal_device_get_property_string (context, volume_hal->udi, "volume.policy.desired_mount_point", NULL);
          if (G_LIKELY (desired_mount_point != NULL && *desired_mount_point != '\0'))
            {
              filename = g_build_filename (mount_root, desired_mount_point, NULL);
              volume_hal->mount_point = thunar_vfs_path_new (filename, NULL);
              g_free (filename);
            }
          libhal_free_string (desired_mount_point);
        }

      /* ok, last fallback, just use <mount-root>/<device> */
      if (G_UNLIKELY (volume_hal->mount_point == NULL))
        {
          /* <mount-root>/<device> looks like a good idea */
          basename = g_path_get_basename (volume_hal->device_file);
          filename = g_build_filename (mount_root, basename, NULL);
          volume_hal->mount_point = thunar_vfs_path_new (filename, NULL);
          g_free (filename);
          g_free (basename);
        }

      /* release the mount root */
      g_free (mount_root);
    }

  /* if we get here, we must have a valid mount point */
  g_assert (volume_hal->mount_point != NULL);

  /* emit the "changed" signal */
  thunar_vfs_volume_changed (THUNAR_VFS_VOLUME (volume_hal));
}