sion_metadata.h

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/****************************************************************************
**  SIONLIB     http://www.fz-juelich.de/jsc/sionlib                       **
*****************************************************************************
**  Copyright (c) 2008-2016                                                **
**  Forschungszentrum Juelich, Juelich Supercomputing Centre               **
**                                                                         **
**  See the file COPYRIGHT in the package base directory for details       **
****************************************************************************/
#ifndef SION_SION_METADATA_H
#define SION_SION_METADATA_H

#define SION_ID "sion"  
#include "sion_filedesc.h"

/* WRITE */
int _sion_write_header(_sion_filedesc *sion_filedesc );                            /* writes M11, M12  */
int _sion_write_header_var_info(_sion_filedesc *sion_filedesc );                   /* writes M13  */
int _sion_write_header_var_part_blocksizes(_sion_filedesc *sion_filedesc );        /* writes M21  */
int _sion_write_header_var_part_mapping(_sion_filedesc *sion_filedesc, 
                    sion_int32 mapping_size, 
                    sion_int32 *mapping  );                    /* writes M22  */

/* READ */
int _sion_read_header_fix_part( _sion_filedesc *sion_filedesc );                   /* reads  M11 */
int _sion_read_header_var_part( _sion_filedesc *sion_filedesc );                   /* reads  M12, M13 */
int _sion_read_header_var_part_blocksizes( _sion_filedesc *sion_filedesc );        /* reads  M21 */
int _sion_read_header_var_part_blocksizes_rank(_sion_filedesc *sion_filedesc);     /* reads part of M21 (one rank) */
int _sion_read_header_var_part_mapping( _sion_filedesc *sion_filedesc );           /* reads  M22 */
int _sion_read_header_var_part_mapping_rank(_sion_filedesc *sion_filedesc);        /* reads part of M22 (one rank) */

/* for parallel support, don't read all blocksizes of all tasks in memory */
int _sion_write_header_var_part_blockcount_from_field( _sion_filedesc *sion_filedesc,
                            int             field_size, 
                            sion_int64     *field         );
int _sion_write_header_var_part_nextblocksizes_from_field( _sion_filedesc *sion_filedesc,
                            int             field_size, 
                            sion_int64     *field           );

int _sion_read_header_var_part_blockcount_to_field( _sion_filedesc *sion_filedesc,
                            int             field_size, 
                            sion_int64     *field         );
int _sion_read_header_var_part_nextblocksizes_to_field( _sion_filedesc *sion_filedesc,
                            int             field_size, 
                            sion_int64     *field           );

#endif