return 0;
    }
    int readDataWireFormat( byte[] buffer, int bufferIndex, int len ) {
        switch( informationLevel ) {
            case SMB_INFO_ALLOCATION:
                return readSmbInfoAllocationWireFormat( buffer, bufferIndex );
            case SMB_QUERY_FS_SIZE_INFO:
                return readSmbQueryFSSizeInfoWireFormat( buffer, bufferIndex );
            case SMB_FS_FULL_SIZE_INFORMATION: