Examples with FuseContext alluxio.jnifuse.struct.FuseContext used on opensource projects

Example 1 with FuseContext

use of alluxio.jnifuse.struct.FuseContext in project alluxio by Alluxio.

the class SystemUserGroupAuthPolicy method setUserGroupIfNeeded.

@Override
public void setUserGroupIfNeeded(AlluxioURI uri) throws Exception {
    FuseContext fc = mFuseFileSystem.getContext();
    if (!mIsUserGroupTranslation) {
        return;
    }
    long uid = fc.uid.get();
    long gid = fc.gid.get();
    if (uid == AlluxioFuseUtils.ID_NOT_SET_VALUE || uid == AlluxioFuseUtils.ID_NOT_SET_VALUE_UNSIGNED || gid == AlluxioFuseUtils.ID_NOT_SET_VALUE || gid == AlluxioFuseUtils.ID_NOT_SET_VALUE_UNSIGNED) {
        // cannot get valid uid or gid
        return;
    }
    if (uid == AlluxioFuseUtils.DEFAULT_UID && gid == AlluxioFuseUtils.DEFAULT_GID) {
        // no need to set attribute
        return;
    }
    String groupName = gid != AlluxioFuseUtils.DEFAULT_GID ? mGroupnameCache.get(gid) : AlluxioFuseUtils.DEFAULT_GROUP_NAME;
    String userName = uid != AlluxioFuseUtils.DEFAULT_UID ? mUsernameCache.get(uid) : AlluxioFuseUtils.DEFAULT_USER_NAME;
    if (userName.isEmpty() || groupName.isEmpty()) {
        // cannot get valid user name and group name
        return;
    }
    SetAttributePOptions attributeOptions = SetAttributePOptions.newBuilder().setGroup(groupName).setOwner(userName).build();
    LOG.debug("Set attributes of path {} to {}", uri, attributeOptions);
    mFileSystem.setAttribute(uri, attributeOptions);
}