/*===========================================================================
*
*                            PUBLIC DOMAIN NOTICE
*               National Center for Biotechnology Information
*
*  This software/database is a "United States Government Work" under the
*  terms of the United States Copyright Act.  It was written as part of
*  the author's official duties as a United States Government employee and
*  thus cannot be copyrighted.  This software/database is freely available
*  to the public for use. The National Library of Medicine and the U.S.
*  Government have not placed any restriction on its use or reproduction.
*
*  Although all reasonable efforts have been taken to ensure the accuracy
*  and reliability of the software and data, the NLM and the U.S.
*  Government do not and cannot warrant the performance or results that
*  may be obtained by using this software or data. The NLM and the U.S.
*  Government disclaim all warranties, express or implied, including
*  warranties of performance, merchantability or fitness for any particular
*  purpose.
*
*  Please cite the author in any work or product based on this material.
*
* ===========================================================================
*
*/

#ifndef _h_copy_machine_
#define _h_copy_machine_

#ifdef __cplusplus
extern "C" {
#endif

#ifndef _h_klib_rc_
#include <klib/rc.h>
#endif

#ifndef _h_kfs_directory_
#include <kfs/directory.h>
#endif

#ifndef _h_kfs_file_
#include <kfs/file.h>
#endif

#ifndef _h_klib_namelist_
#include <klib/namelist.h>
#endif

#ifndef _h_progress_thread_
#include "progress_thread.h"
#endif

rc_t make_a_copy( KDirectory * dir,
                  KFile * dst,
                  const struct VNamelist * sources,
                  struct bg_progress_t * progress,
                  uint64_t dst_offset,
                  size_t buf_size,
                  uint32_t src_list_offset,
                  uint32_t q_wait_time );

/* ------------------------------------------------------- */
struct multi_writer_block_t;

bool multi_writer_block_append( struct multi_writer_block_t * self,
                                const char * data,
                                size_t len );
bool multi_writer_block_expand( struct multi_writer_block_t * self, size_t size );

struct multi_writer_t;

struct multi_writer_t * create_multi_writer( KDirectory * dir,
                    const char * filename,
                    size_t buf_size,
                    uint32_t q_wait_time,
                    uint32_t q_num_blocks,
                    size_t q_block_size  );

void release_multi_writer( struct multi_writer_t * self );

struct multi_writer_block_t * multi_writer_get_empty_block( struct multi_writer_t * self );
bool multi_writer_submit_block( struct multi_writer_t * self, struct multi_writer_block_t * block );

rc_t multi_writer_write( struct multi_writer_t * self,
                         const char * src,
                         size_t size );

#ifdef __cplusplus
}
#endif

#endif
