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* Introduce new optimized string implementation (attempt 2)Dimitri van Heesch2014-10-231-2/+1
* Reverted back to old string implementation. New one needs more work.Dimitri van Heesch2014-10-211-1/+2
* Added faster reference counted string implementation with short string optimi...Dimitri van Heesch2014-10-211-2/+1
* Spitting generated files better from source filesalbert-github2014-01-211-1/+1
* Reduced and improved functionality of QListDimitri van Heesch2013-12-301-1/+1
* Release-1.7.0Dimitri van Heesch2010-06-151-2/+5
* Release-1.6.3-20100603Dimitri van Heesch2010-06-031-4/+18
* Release-1.4.7-20060910Dimitri van Heesch2006-09-101-0/+2
* Doxygen-1.3.9.1-20041206Dimitri van Heesch2004-12-061-1/+2
* Release-1.3.5-20031215Dimitri van Heesch2003-12-151-0/+3
* Release-1.3-rc3-20020215Dimitri van Heesch2003-02-151-1/+1
* Release-1.2.15-20020430Dimitri van Heesch2002-04-301-0/+1
* Release-1.2.9-20010812Dimitri van Heesch2001-08-121-1/+1
* Release-1.2.4-20010121Dimitri van Heesch2001-01-211-0/+1
* Release-1.2.3-20001203Dimitri van Heesch2000-12-031-2/+8
* Release-1.2.2-20001015Dimitri van Heesch2000-10-151-0/+71
generated by cgit v0.12 at 2024-11-02 17:29:57 (GMT)
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by the Board of Trustees of the University of Illinois.         *
 * All rights reserved.                                                      *
 *                                                                           *
 * This file is part of HDF5.  The full HDF5 copyright notice, including     *
 * terms governing use, modification, and redistribution, is contained in    *
 * the files COPYING and Copyright.html.  COPYING can be found at the root   *
 * of the source code distribution tree; Copyright.html can be found at the  *
 * root level of an installed copy of the electronic HDF5 document set and   *
 * is linked from the top-level documents page.  It can also be found at     *
 * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html.  If you do not have     *
 * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */


#ifndef H5REPACK_H__
#define H5REPACK_H__

#include "hdf5.h"
#include "h5trav.h"
#include "h5diff.h"
#include "h5tools.h"

#define H5FOPENERROR "unable to open file"

#define PFORMAT  "%-7s %-7s %-7s\n" /*chunk info, compression info, name*/
#define PFORMAT1 "%-7s %-7s %-7s"     /*chunk info, compression info, name*/

#define MAX_NC_NAME 256 /* max length of a name */
#define MAX_VAR_DIMS 32 /* max per variable dimensions */


/*-------------------------------------------------------------------------
 * data structures for command line options
 *-------------------------------------------------------------------------
 */

/* a list of names */
typedef struct {
 char obj[MAX_NC_NAME]; 
} obj_list_t;

/* 
 the type of filter and additional parameter 
 type can be one of the filters
 H5Z_FILTER_NONE       0,  uncompress if compressed
 H5Z_FILTER_DEFLATE	   1 , deflation like gzip	   
 H5Z_FILTER_SHUFFLE    2 , shuffle the data
 H5Z_FILTER_FLETCHER32 3 , letcher32 checksum of EDC
 H5Z_FILTER_SZIP       4 , szip compression 
*/

#define CDVALUES 2

typedef struct {
 H5Z_filter_t filtn;               /* filter identification number */
 int          cd_values[CDVALUES]; /* filter client data values */
 /* extra input for szip, selects the coding method
    entropy coding method: EC=0 
    nearest neighbor coding method: NN=1 
 */
 int          szip_coding;         
} filter_info_t;

/* chunk lengths along each dimension and rank */
typedef struct {
 hsize_t chunk_lengths[MAX_VAR_DIMS]; 
 int     rank;
} chunk_info_t;

/* we currently define a maximum value for the filters array,
   that corresponds to the current library filters */
#define H5_REPACK_MAX_NFILTERS 4

/* information for one object, contains PATH, CHUNK info and FILTER info */
typedef struct {
 char          path[MAX_NC_NAME];               /* name of object */
 filter_info_t filter[H5_REPACK_MAX_NFILTERS];  /* filter array */
 int           nfilters;                        /* current number of filters */
 H5D_layout_t  layout;                          /* layout information */
 chunk_info_t  chunk;                           /* chunk information */
 hid_t         refobj_id;                       /* object ID, references */
} pack_info_t;

/* store a table of all objects */
typedef struct {
 int         size;
 int         nelems;
 pack_info_t *objs;
} pack_opttbl_t;


/*-------------------------------------------------------------------------
 * command line options
 *-------------------------------------------------------------------------
 */

/* all the above, ready to go to the hrepack call */
typedef struct {
 pack_opttbl_t   *op_tbl;     /*table with all -c and -f options */
 int             all_layout;  /*apply the layout to all objects */
 int             all_filter;  /*apply the filter to all objects */
 filter_info_t   filter_g;    /*global filter INFO for the ALL case */
 chunk_info_t    chunk_g;     /*global chunk INFO for the ALL case */
 H5D_layout_t    layout_g;    /*global layout information for the ALL case */
 int verbose;                 /*verbose mode */
 hsize_t threshold;               /*minimum size to compress, in bytes */
} pack_opt_t;



/*-------------------------------------------------------------------------
 * public functions
 *-------------------------------------------------------------------------
 */

#ifdef __cplusplus
extern "C" {
#endif

int h5repack           (const char* infile, const char* outfile, pack_opt_t *options);
int h5repack_addfilter (const char* str, pack_opt_t *options);
int h5repack_addlayout (const char* str, pack_opt_t *options);
int h5repack_init      (pack_opt_t *options, int verbose);
int h5repack_end       (pack_opt_t *options);
int h5repack_verify    (const char *fname,pack_opt_t *options);
int h5repack_cmpdcpl   (const char *fname1,
                        const char *fname2);


#ifdef __cplusplus
}
#endif



/*-------------------------------------------------------------------------
 * private functions
 *-------------------------------------------------------------------------
 */


int check_objects(const char* fname, 
                  pack_opt_t *options);

int copy_objects(const char* fnamein, 
                 const char* fnameout,
                 pack_opt_t *options);

void print_objlist(const char *filename, 
                   int nobjects, 
                   trav_info_t *travi );

int do_copy_objects(hid_t fidin, 
                    hid_t fidout, 
                    trav_table_t *travt,
                    pack_opt_t *options);

int copy_attr(hid_t loc_in, 
              hid_t loc_out, 
              pack_opt_t *options
              );

int do_copy_refobjs(hid_t fidin, 
                    hid_t fidout, 
                    trav_table_t *travt,
                    pack_opt_t *options); /* repack options */



void read_info(const char *filename,pack_opt_t *options);
void init_packobject(pack_info_t *obj);
int print_filters(hid_t dcpl_id);



/*-------------------------------------------------------------------------
 * filters
 *-------------------------------------------------------------------------
 */

int filter_this(const char* name,
                pack_opt_t *options,
                pack_info_t *pack); /* info about object to filter */

int apply_filters(const char* name,    /* object name from traverse list */
                  int rank,            /* rank of dataset */
                  hsize_t *dims,       /* dimensions of dataset */
                  hid_t dcpl_id,       /* dataset creation property list */
                  hid_t type_id,       /* datatype */
                  pack_opt_t *options, /* repack options */
                  pack_info_t *obj);   /* info about object to filter */

int has_filter(hid_t dcpl_id,
               H5Z_filter_t filtnin);


int can_read(const char* name,    /* object name from traverse list */
             hid_t dcpl_id,       /* dataset creation property list */
             pack_opt_t *options); /* repack options */


/*-------------------------------------------------------------------------
 * layout functions
 *-------------------------------------------------------------------------
 */

int has_layout(hid_t dcpl_id,
               pack_info_t *obj);

int layout_this(hid_t dcpl_id,             /* DCPL from input object */
                const char* name,          /* object name from traverse list */
                pack_opt_t *options,       /* repack options */
                pack_info_t *pack /*OUT*/) /* object to apply layout */;

int apply_layout(hid_t dcpl_id,
                 pack_info_t *pack);  /* info about object  */


/*-------------------------------------------------------------------------
 * options table
 *-------------------------------------------------------------------------
 */
int          options_table_init( pack_opttbl_t **tbl );
int          options_table_free( pack_opttbl_t *table );
int          options_add_layout( obj_list_t *obj_list,
                                 int n_objs,
                                 pack_info_t *pack,
                                 pack_opttbl_t *table );
int          options_add_filter ( obj_list_t *obj_list,
                                 int n_objs,
                                 filter_info_t filt,
                                 pack_opttbl_t *table );
pack_info_t* options_get_object( const char *path,
                                 pack_opttbl_t *table);

/*-------------------------------------------------------------------------
 * parse functions
 *-------------------------------------------------------------------------
 */

obj_list_t* parse_filter(const char *str, 
                         int *n_objs, 
                         filter_info_t *filt,
                         pack_opt_t *options);

obj_list_t* parse_layout(const char *str, 
                         int *n_objs, 
                         pack_info_t *pack,    /* info about object */
                         pack_opt_t *options);

const char* get_sfilter (H5Z_filter_t filtn);
int         parse_number(char *str);

/*-------------------------------------------------------------------------
 * tests
 *-------------------------------------------------------------------------
 */

#define FNAME0     "test0.h5"
#define FNAME0OUT  "test0.out.h5"
#define FNAME1     "test1.h5"
#define FNAME1OUT  "test1.out.h5"
#define FNAME2     "test2.h5"
#define FNAME2OUT  "test2.out.h5"
#define FNAME3     "test3.h5"
#define FNAME3OUT  "test3.out.h5"
#define FNAME4     "test4.h5"
#define FNAME4OUT  "test4.out.h5"
#define FNAME5     "test5.h5"
#define FNAME5OUT  "test5.out.h5"
#define FNAME6     "test6.h5"
#define FNAME7     "test_szip.h5"
#define FNAME8     "test_deflate.h5"
#define FNAME9     "test_shuffle.h5"
#define FNAME10    "test_fletcher32.h5"
#define FNAME11    "test_all.h5"
#define FNAME7OUT     "test_szip.out.h5"
#define FNAME8OUT     "test_deflate.out.h5"
#define FNAME9OUT     "test_shuffle.out.h5"
#define FNAME10OUT    "test_fletcher32.out.h5"
#define FNAME11OUT    "test_all.out.h5"

int make_testfiles(void);

int write_dset( hid_t loc_id, 
                int rank, 
                hsize_t *dims, 
                const char *dset_name,
                hid_t type_id, 
                void *buf );
int write_attr(hid_t loc_id, 
               int rank, 
               hsize_t *dims, 
               const char *attr_name,
               hid_t type_id, 
               void *buf);
void write_attr_in(hid_t loc_id, 
                   const char* dset_name, /* for saving reference to dataset*/
                   hid_t fid, /* for reference create */
                   int make_diffs /* flag to modify data buffers */);
void write_dset_in(hid_t loc_id, 
                   const char* dset_name, /* for saving reference to dataset*/
                   hid_t file_id,
                   int make_diffs /* flag to modify data buffers */);



/*-------------------------------------------------------------------------
 * tests utils
 *-------------------------------------------------------------------------
 */
int make_dset(hid_t loc_id,
              const char *name,
              hid_t sid, 
              hid_t dcpl,
              void *buf);

int make_attr(hid_t loc_id, 
               int rank, 
               hsize_t *dims, 
               const char *attr_name,
               hid_t type_id, 
               void *buf);




#endif  /* H5REPACK_H__ */
generated by cgit v0.12 at 2024-11-02 17:29:57 (GMT)