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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"
#if 0
#define H5_REPACK_DEBUG
#endif
#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 compression 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_SZIP 4 , szip compression
*/
typedef struct {
int type;
int info;
} comp_info_t;
/* chunk lengths along each dimension and rank */
typedef struct {
hsize_t chunk_lengths[MAX_VAR_DIMS];
int rank;
} chunk_info_t;
/* information for one object, contains PATH, CHUNK info and COMP info */
typedef struct {
char path[MAX_NC_NAME]; /* name of object */
comp_info_t comp; /* compression information */
chunk_info_t chunk; /* chunk information */
hid_t refobj_id; /* object ID */
} 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 -t options */
int all_chunk; /*chunk all objects, input of "*" */
int all_comp; /*comp all objects, input of "*" */
comp_info_t comp_g; /*global compress INFO for the ALL case */
chunk_info_t chunk_g; /*global chunk INFO for the ALL case */
int verbose; /*verbose mode */
int 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_addcomp (const char* str, pack_opt_t *options);
int h5repack_addchunk(const char* str, pack_opt_t *options);
int h5repack_init (pack_opt_t *options, int verbose);
int h5repack_end (pack_opt_t *options);
#ifdef __cplusplus
}
#endif
/*-------------------------------------------------------------------------
* private functions
*-------------------------------------------------------------------------
*/
int check_objects(const char* fname,
pack_opt_t *options);
int copy_file(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_file(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,
trav_table_t *travt,
hid_t fidout /* for saving references */
);
const char* MapIdToName(hid_t refobj_id,
trav_table_t *travt,
pack_opt_t *options) /* repack options */;
int do_copy_refobjs(hid_t fidin,
hid_t fidout,
trav_table_t *travt,
pack_opt_t *options); /* repack options */
int do_copy_refobjs_inattr(hid_t loc_in,
hid_t loc_out,
pack_opt_t *options,
trav_table_t *travt,
hid_t fidout /* for saving references */
);
void read_info(const char *filename,pack_opt_t *options);
void close_obj(H5G_obj_t obj_type, hid_t obj_id);
/*-------------------------------------------------------------------------
* options table
*-------------------------------------------------------------------------
*/
int options_table_init( pack_opttbl_t **tbl );
int options_table_free( pack_opttbl_t *table );
int options_add_chunk ( obj_list_t *obj_list,
int n_objs,
hsize_t *chunk_lengths,
int chunk_rank,
pack_opttbl_t *table );
int options_add_comp ( obj_list_t *obj_list,
int n_objs,
comp_info_t comp,
pack_opttbl_t *table );
pack_info_t* options_get_object( const char *path,
pack_opttbl_t *table);
/*-------------------------------------------------------------------------
* parse functions
*-------------------------------------------------------------------------
*/
obj_list_t* parse_comp (const char *str,
int *n_objs,
comp_info_t *comp);
obj_list_t* parse_chunk (const char *str,
int *n_objs,
hsize_t *chunk_lengths,
int *chunk_rank);
const char* get_scomp (int code);
int parse_number(char *str);
/*-------------------------------------------------------------------------
* tests
*-------------------------------------------------------------------------
*/
#define FNAME1 "test1.h5"
#define FNAME1OUT "test1out.h5"
#define FNAME2 "test2.h5"
#define FNAME2OUT "test2out.h5"
#define FNAME3 "test3.h5"
#define FNAME3OUT "test3out.h5"
#define FNAME4 "test4.h5"
#define FNAME4OUT "test4out.h5"
int make_testfiles(void);
int make_all_objects(hid_t fid);
int make_attributes(hid_t fid);
int make_special_objects(hid_t loc_id);
int make_attr(hid_t fid);
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 */);
#endif /* H5REPACK_H__ */
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