/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* * Programmer: Quincey Koziol * Monday, April 14, 2003 * * Purpose: This file contains declarations which are visible only within * the H5D package. Source files outside the H5D package should * include H5Dprivate.h instead. */ #ifndef H5D_PACKAGE #error "Do not include this file outside the H5D package!" #endif #ifndef _H5Dpkg_H #define _H5Dpkg_H /* Get package's private header */ #include "H5Dprivate.h" /* Other private headers needed by this file */ #include "H5Gprivate.h" /* Groups */ #include "H5Oprivate.h" /* Object headers */ #include "H5Sprivate.h" /* Dataspace functions */ #include "H5Tprivate.h" /* Datatype functions */ /**************************/ /* Package Private Macros */ /**************************/ /* The number of reserved IDs in dataset ID group */ #define H5D_RESERVED_ATOMS 0 /* Set the minimum object header size to create objects with */ #define H5D_MINHDR_SIZE 256 /****************************/ /* Package Private Typedefs */ /****************************/ /* The raw data chunk cache */ typedef struct H5D_rdcc_t { unsigned ninits; /* Number of chunk creations */ unsigned nhits; /* Number of cache hits */ unsigned nmisses;/* Number of cache misses */ unsigned nflushes;/* Number of cache flushes */ size_t nbytes; /* Current cached raw data in bytes */ size_t nslots; /* Number of chunk slots allocated */ struct H5D_rdcc_ent_t *head; /* Head of doubly linked list */ struct H5D_rdcc_ent_t *tail; /* Tail of doubly linked list */ int nused; /* Number of chunk slots in use */ struct H5D_rdcc_ent_t **slot; /* Chunk slots, each points to a chunk*/ } H5D_rdcc_t; /* The raw data contiguous data cache */ typedef struct H5D_rdcdc_t { unsigned char *sieve_buf; /* Buffer to hold data sieve buffer */ haddr_t sieve_loc; /* File location (offset) of the data sieve buffer */ size_t sieve_size; /* Size of the data sieve buffer used (in bytes) */ size_t sieve_buf_size; /* Size of the data sieve buffer allocated (in bytes) */ unsigned sieve_dirty; /* Flag to indicate that the data sieve buffer is dirty */ } H5D_rdcdc_t; /* * A dataset is the following struct. */ struct H5D_t { H5G_entry_t ent; /* cached object header stuff */ H5T_t *type; /* datatype of this dataset */ H5S_t *space; /* dataspace of this dataset */ hid_t dcpl_id; /* dataset creation property id */ H5D_dcpl_cache_t dcpl_cache; /* Cached DCPL values */ H5O_layout_t layout; /* data layout */ /* Cache some frequently accessed values from the DCPL */ H5O_efl_t efl; /* External file list information */ H5D_alloc_time_t alloc_time; /* Dataset allocation time */ H5D_fill_time_t fill_time; /* Dataset fill value writing time */ H5O_fill_t fill; /* Dataset fill value information */ /* Buffered/cached information for types of raw data storage*/ union { H5D_rdcdc_t contig; /* Information about contiguous data */ H5D_rdcc_t chunk; /* Information about chunked data */ }cache; }; /* Enumerated type for allocating dataset's storage */ typedef enum { H5D_ALLOC_CREATE, /* Dataset is being created */ H5D_ALLOC_OPEN, /* Dataset is being opened */ H5D_ALLOC_EXTEND, /* Dataset's dataspace is being extended */ H5D_ALLOC_WRITE /* Dataset is being extended */ } H5D_time_alloc_t; /*****************************/ /* Package Private Variables */ /*****************************/ extern H5D_dxpl_cache_t H5D_def_dxpl_cache; /******************************/ /* Package Private Prototypes */ /******************************/ H5_DLL herr_t H5D_alloc_storage (H5F_t *f, hid_t dxpl_id, H5D_t *dset, H5D_time_alloc_t time_alloc, hbool_t update_time, hbool_t full_overwrite); /* Functions that operate on contiguous storage */ H5_DLL herr_t H5D_contig_create(H5F_t *f, hid_t dxpl_id, H5D_t *dset); H5_DLL herr_t H5D_contig_fill(H5F_t *f, hid_t dxpl_id, H5D_t *dset); /* Functions that operate on indexed storage */ H5_DLL herr_t H5D_istore_init (H5F_t *f, H5D_t *dset); H5_DLL herr_t H5D_istore_flush (H5F_t *f, hid_t dxpl_id, H5D_t *dset, unsigned flags); H5_DLL herr_t H5D_istore_create(H5F_t *f, hid_t dxpl_id, H5O_layout_t *layout/*in,out*/); H5_DLL herr_t H5D_istore_dest (H5F_t *f, hid_t dxpl_id, H5D_t *dset); H5_DLL herr_t H5D_istore_allocate (H5F_t *f, hid_t dxpl_id, const H5D_t *dset, hbool_t full_overwrite); H5_DLL hsize_t H5D_istore_allocated(H5F_t *f, hid_t dxpl_id, H5D_t *dset); H5_DLL herr_t H5D_istore_prune_by_extent( H5F_t *f, const H5D_dxpl_cache_t *dxpl_cache, hid_t dxpl_id, H5D_t *dset); H5_DLL herr_t H5D_istore_initialize_by_extent( H5F_t *f, const H5D_dxpl_cache_t *dxpl_cache, hid_t dxpl_id, H5D_t *dset); H5_DLL herr_t H5D_istore_update_cache(H5F_t *f, hid_t dxpl_id, H5D_t *dset); H5_DLL herr_t H5D_istore_dump_btree(H5F_t *f, hid_t dxpl_id, FILE *stream, unsigned ndims, haddr_t addr); #ifdef H5D_ISTORE_DEBUG H5_DLL herr_t H5D_istore_stats (H5D_t *dset, hbool_t headers); #endif /* H5D_ISTORE_DEBUG */ /* Testing functions */ #ifdef H5D_TESTING H5_DLL herr_t H5D_layout_version_test(hid_t did, unsigned *version); H5_DLL herr_t H5D_layout_contig_size_test(hid_t did, hsize_t *size); #endif /* H5D_TESTING */ #endif /*_H5Dpkg_H*/