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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: H5FAprivate.h
*
* Purpose: Private header for library accessible Fixed
* Array routines.
*
*-------------------------------------------------------------------------
*/
#ifndef H5FAprivate_H
#define H5FAprivate_H
/* Private headers needed by this file */
#include "H5ACprivate.h" /* Metadata cache */
#include "H5Fprivate.h" /* File access */
/**************************/
/* Library Private Macros */
/**************************/
/****************************/
/* Library Private Typedefs */
/****************************/
/* Fixed Array class IDs */
typedef enum H5FA_cls_id_t {
H5FA_CLS_CHUNK_ID = 0, /* Fixed array is for indexing dataset chunks w/o filters */
H5FA_CLS_FILT_CHUNK_ID, /* Fixed array is for indexing dataset chunks w/filters */
/* Start real class IDs at 0 -QAK */
/* (keep these last) */
H5FA_CLS_TEST_ID, /* Fixed array is for testing (do not use for actual data) */
H5FA_NUM_CLS_ID /* Number of Fixed Array class IDs (must be last) */
} H5FA_cls_id_t;
/*
* Each type of element that can be stored in a Fixed Array has a
* variable of this type that contains class variables and methods.
*/
typedef struct H5FA_class_t {
H5FA_cls_id_t id; /* ID of Fixed Array class, as found in file */
const char *name; /* Name of class (for debugging) */
size_t nat_elmt_size; /* Size of native (memory) element */
/* Fixed array client callback methods */
void *(*crt_context)(void *udata); /* Create context for other callbacks */
herr_t (*dst_context)(void *ctx); /* Destroy context */
herr_t (*fill)(void *nat_blk,
size_t nelmts); /* Fill array of elements with encoded form of "missing element" value */
herr_t (*encode)(void *raw, const void *elmt, size_t nelmts,
void *ctx); /* Encode elements from native form to disk storage form */
herr_t (*decode)(const void *raw, void *elmt, size_t nelmts,
void *ctx); /* Decode elements from disk storage form to native form */
herr_t (*debug)(FILE *stream, int indent, int fwidth, hsize_t idx,
const void *elmt); /* Print an element for debugging */
void *(*crt_dbg_ctx)(H5F_t *f, haddr_t obj_addr); /* Create debugging context */
herr_t (*dst_dbg_ctx)(void *dbg_ctx); /* Destroy debugging context */
} H5FA_class_t;
/* Fixed array creation parameters */
typedef struct H5FA_create_t {
const H5FA_class_t *cls; /* Class of Fixed Array to create */
uint8_t raw_elmt_size; /* Element size in file (in bytes) */
uint8_t max_dblk_page_nelmts_bits; /* Log2(Max. # of elements in a data block page) -
* i.e. # of bits needed to store max. # of elements
* in a data block page
*/
hsize_t nelmts; /* # of elements in array */
} H5FA_create_t;
/* Fixed array metadata statistics info */
typedef struct H5FA_stat_t {
/* Non-stored (i.e. computed) fields */
hsize_t hdr_size; /* Size of header */
hsize_t dblk_size; /* Size of data block */
/* Stored fields */
hsize_t nelmts; /* # of elements */
} H5FA_stat_t;
/* Fixed Array info (forward decl - defined in H5FApkg.h) */
typedef struct H5FA_t H5FA_t;
/* Define the operator callback function pointer for H5FA_iterate() */
typedef int (*H5FA_operator_t)(hsize_t idx, const void *_elmt, void *_udata);
/*****************************/
/* Library-private Variables */
/*****************************/
/* The Fixed Array class for dataset chunks w/o filters*/
H5_DLLVAR const H5FA_class_t H5FA_CLS_CHUNK[1];
/* The Fixed Array class for dataset chunks w/ filters*/
H5_DLLVAR const H5FA_class_t H5FA_CLS_FILT_CHUNK[1];
/***************************************/
/* Library-private Function Prototypes */
/***************************************/
/* General routines */
H5_DLL H5FA_t *H5FA_create(H5F_t *f, const H5FA_create_t *cparam, void *ctx_udata);
H5_DLL H5FA_t *H5FA_open(H5F_t *f, haddr_t fa_addr, void *ctx_udata);
H5_DLL herr_t H5FA_get_nelmts(const H5FA_t *fa, hsize_t *nelmts);
H5_DLL herr_t H5FA_get_addr(const H5FA_t *fa, haddr_t *addr);
H5_DLL herr_t H5FA_set(const H5FA_t *fa, hsize_t idx, const void *elmt);
H5_DLL herr_t H5FA_get(const H5FA_t *fa, hsize_t idx, void *elmt);
H5_DLL herr_t H5FA_depend(H5FA_t *fa, H5AC_proxy_entry_t *parent);
H5_DLL herr_t H5FA_iterate(H5FA_t *fa, H5FA_operator_t op, void *udata);
H5_DLL herr_t H5FA_close(H5FA_t *fa);
H5_DLL herr_t H5FA_delete(H5F_t *f, haddr_t fa_addr, void *ctx_udata);
H5_DLL herr_t H5FA_patch_file(H5FA_t *fa, H5F_t *f);
/* Statistics routines */
H5_DLL herr_t H5FA_get_stats(const H5FA_t *ea, H5FA_stat_t *stats);
/* Debugging routines */
#ifdef H5FA_DEBUG
#endif /* H5FA_DEBUG */
#endif /* H5FAprivate_H */
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