/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by The HDF Group. * * 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://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * * access to either file, you may request a copy from help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ #ifndef H5REPACK_H__ #define H5REPACK_H__ #include "hdf5.h" #include "h5trav.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 H5Z_FILTER_NBIT 5 , nbit compression H5Z_FILTER_SCALEOFFSET 6 , scaleoffset compression */ #define CDVALUES 4 /* SZIP returns 4 values */ typedef struct { H5Z_filter_t filtn; /* filter identification number */ int cd_values[CDVALUES]; /* filter client data values */ size_t cd_nelmts; /* filter client number of values */ } 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 6 /* 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 { unsigned int size; unsigned 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[H5_REPACK_MAX_NFILTERS]; /*global filter array for the ALL case */ int n_filter_g; /*number of global filters */ 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 */ int use_native; /*use a native type in write */ int latest; /*pack file with the latest file format */ int grp_compact; /* Set the maximum number of links to store as header messages in the group */ int grp_indexed; /* Set the minimum number of links to store in the indexed format */ int msg_size[8]; /* Minumum size of shared messages: dataspace, datatype, fill value, filter pipleline, attribute */ } 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 copy_objects(const char* fnamein, const char* fnameout, 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 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, /* (IN,OUT) dataset creation property list */ pack_opt_t *options, /* repack options */ int *has_filter); /* (OUT) object NAME has a filter */ 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 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, int *is_glb); obj_list_t* parse_layout(const char *str, int *n_objs, pack_info_t *pack, /* info about object */ pack_opt_t *options); #endif /* H5REPACK_H__ */