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|
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* This file contains macros & information for file access
*/
#ifndef H5Fprivate_H
#define H5Fprivate_H
/* Include package's public header */
#include "H5Fpublic.h"
/* Public headers needed by this file */
#include "H5FDpublic.h" /* File drivers */
/* Private headers needed by this file */
/**************************/
/* Library Private Macros */
/**************************/
/*
* Encode and decode macros for file meta-data.
* Currently, all file meta-data is little-endian.
*/
#define INT16ENCODE(p, i) \
{ \
*(p) = (uint8_t)((unsigned)(i)&0xff); \
(p)++; \
*(p) = (uint8_t)(((unsigned)(i) >> 8) & 0xff); \
(p)++; \
}
#define UINT16ENCODE(p, i) \
{ \
*(p) = (uint8_t)((unsigned)(i)&0xff); \
(p)++; \
*(p) = (uint8_t)(((unsigned)(i) >> 8) & 0xff); \
(p)++; \
}
#define INT32ENCODE(p, i) \
{ \
*(p) = (uint8_t)((uint32_t)(i)&0xff); \
(p)++; \
*(p) = (uint8_t)(((uint32_t)(i) >> 8) & 0xff); \
(p)++; \
*(p) = (uint8_t)(((uint32_t)(i) >> 16) & 0xff); \
(p)++; \
*(p) = (uint8_t)(((uint32_t)(i) >> 24) & 0xff); \
(p)++; \
}
#define UINT32ENCODE(p, i) \
{ \
*(p) = (uint8_t)((i)&0xff); \
(p)++; \
*(p) = (uint8_t)(((i) >> 8) & 0xff); \
(p)++; \
*(p) = (uint8_t)(((i) >> 16) & 0xff); \
(p)++; \
*(p) = (uint8_t)(((i) >> 24) & 0xff); \
(p)++; \
}
/* Encode an unsigned integer into a variable-sized buffer */
/* (Assumes that the high bits of the integer are zero) */
#define ENCODE_VAR(p, typ, n, l) \
{ \
typ _n = (n); \
size_t _i; \
uint8_t *_p = (uint8_t *)(p); \
\
for (_i = 0; _i < l; _i++, _n >>= 8) \
*_p++ = (uint8_t)(_n & 0xff); \
(p) = (uint8_t *)(p) + l; \
}
/* Encode a 32-bit unsigned integer into a variable-sized buffer */
/* (Assumes that the high bits of the integer are zero) */
#define UINT32ENCODE_VAR(p, n, l) ENCODE_VAR(p, uint32_t, n, l)
#define INT64ENCODE(p, n) \
{ \
int64_t _n = (n); \
size_t _i; \
uint8_t *_p = (uint8_t *)(p); \
\
for (_i = 0; _i < sizeof(int64_t); _i++, _n >>= 8) \
*_p++ = (uint8_t)(_n & 0xff); \
for (/*void*/; _i < 8; _i++) \
*_p++ = (n) < 0 ? 0xff : 0; \
(p) = (uint8_t *)(p) + 8; \
}
#define UINT64ENCODE(p, n) \
{ \
uint64_t _n = (n); \
size_t _i; \
uint8_t *_p = (uint8_t *)(p); \
\
for (_i = 0; _i < sizeof(uint64_t); _i++, _n >>= 8) \
*_p++ = (uint8_t)(_n & 0xff); \
for (/*void*/; _i < 8; _i++) \
*_p++ = 0; \
(p) = (uint8_t *)(p) + 8; \
}
/* Encode a 64-bit unsigned integer into a variable-sized buffer */
/* (Assumes that the high bits of the integer are zero) */
#define UINT64ENCODE_VAR(p, n, l) ENCODE_VAR(p, uint64_t, n, l)
/* DECODE converts little endian bytes pointed by p to integer values and store
* it in i. For signed values, need to do sign-extension when converting
* the last byte which carries the sign bit.
* The macros does not require i be of a certain byte sizes. It just requires
* i be big enough to hold the intended value range. E.g. INT16DECODE works
* correctly even if i is actually a 64bit int like in a Cray.
*/
#define INT16DECODE(p, i) \
{ \
(i) = (int16_t)((*(p)&0xff)); \
(p)++; \
(i) |= (int16_t)(((*(p)&0xff) << 8) | ((*(p)&0x80) ? ~0xffff : 0x0)); \
(p)++; \
}
#define UINT16DECODE(p, i) \
{ \
(i) = (uint16_t)(*(p)&0xff); \
(p)++; \
(i) |= (uint16_t)((*(p)&0xff) << 8); \
(p)++; \
}
#define INT32DECODE(p, i) \
{ \
(i) = (*(p)&0xff); \
(p)++; \
(i) |= ((int32_t)(*(p)&0xff) << 8); \
(p)++; \
(i) |= ((int32_t)(*(p)&0xff) << 16); \
(p)++; \
(i) |= ((int32_t)(((*(p)&0xff) << 24) | ((*(p)&0x80) ? ~0xffffffff : 0x0))); \
(p)++; \
}
#define UINT32DECODE(p, i) \
{ \
(i) = (uint32_t)(*(p)&0xff); \
(p)++; \
(i) |= ((uint32_t)(*(p)&0xff) << 8); \
(p)++; \
(i) |= ((uint32_t)(*(p)&0xff) << 16); \
(p)++; \
(i) |= ((uint32_t)(*(p)&0xff) << 24); \
(p)++; \
}
/* Decode a variable-sized buffer */
/* (Assumes that the high bits of the integer will be zero) */
#define DECODE_VAR(p, n, l) \
{ \
size_t _i; \
\
n = 0; \
(p) += l; \
for (_i = 0; _i < l; _i++) \
n = (n << 8) | *(--p); \
(p) += l; \
}
/* Decode a variable-sized buffer into a 32-bit unsigned integer */
/* (Assumes that the high bits of the integer will be zero) */
#define UINT32DECODE_VAR(p, n, l) DECODE_VAR(p, n, l)
#define INT64DECODE(p, n) \
{ \
/* WE DON'T CHECK FOR OVERFLOW! */ \
size_t _i; \
\
n = 0; \
(p) += 8; \
for (_i = 0; _i < sizeof(int64_t); _i++) \
n = (n << 8) | *(--p); \
(p) += 8; \
}
#define UINT64DECODE(p, n) \
{ \
/* WE DON'T CHECK FOR OVERFLOW! */ \
size_t _i; \
\
n = 0; \
(p) += 8; \
for (_i = 0; _i < sizeof(uint64_t); _i++) \
n = (n << 8) | *(--p); \
(p) += 8; \
}
/* Decode a variable-sized buffer into a 64-bit unsigned integer */
/* (Assumes that the high bits of the integer will be zero) */
#define UINT64DECODE_VAR(p, n, l) DECODE_VAR(p, n, l)
/* clang-format off */
/* Address-related macros */
#define H5F_addr_overflow(X,Z) (HADDR_UNDEF==(X) || \
HADDR_UNDEF==(X)+(haddr_t)(Z) || \
(X)+(haddr_t)(Z)<(X))
#define H5F_addr_hash(X,M) ((unsigned)((X)%(M)))
#define H5F_addr_defined(X) ((X)!=HADDR_UNDEF)
/* The H5F_addr_eq() macro guarantees that Y is not HADDR_UNDEF by making
* certain that X is not HADDR_UNDEF and then checking that X equals Y
*/
#define H5F_addr_eq(X,Y) ((X)!=HADDR_UNDEF && \
(X)==(Y))
#define H5F_addr_ne(X,Y) (!H5F_addr_eq((X),(Y)))
#define H5F_addr_lt(X,Y) ((X)!=HADDR_UNDEF && \
(Y)!=HADDR_UNDEF && \
(X)<(Y))
#define H5F_addr_le(X,Y) ((X)!=HADDR_UNDEF && \
(Y)!=HADDR_UNDEF && \
(X)<=(Y))
#define H5F_addr_gt(X,Y) ((X)!=HADDR_UNDEF && \
(Y)!=HADDR_UNDEF && \
(X)>(Y))
#define H5F_addr_ge(X,Y) ((X)!=HADDR_UNDEF && \
(Y)!=HADDR_UNDEF && \
(X)>=(Y))
#define H5F_addr_cmp(X,Y) (H5F_addr_eq((X), (Y)) ? 0 : \
(H5F_addr_lt((X), (Y)) ? -1 : 1))
#define H5F_addr_pow2(N) ((haddr_t)1<<(N))
#define H5F_addr_overlap(O1,L1,O2,L2) (((O1) < (O2) && ((O1) + (L1)) > (O2)) || \
((O1) >= (O2) && (O1) < ((O2) + (L2))))
/* clang-format on */
/* If the module using this macro is allowed access to the private variables, access them directly */
#ifdef H5F_PACKAGE
#define H5F_INTENT(F) ((F)->shared->flags)
#define H5F_OPEN_NAME(F) ((F)->open_name)
#define H5F_ACTUAL_NAME(F) ((F)->actual_name)
#define H5F_EXTPATH(F) ((F)->extpath)
#define H5F_SHARED(F) ((F)->shared)
#define H5F_SAME_SHARED(F1, F2) ((F1)->shared == (F2)->shared))
#define H5F_NOPEN_OBJS(F) ((F)->nopen_objs)
#define H5F_INCR_NOPEN_OBJS(F) ((F)->nopen_objs++)
#define H5F_DECR_NOPEN_OBJS(F) ((F)->nopen_objs--)
#define H5F_FILE_ID(F) ((F)->file_id)
#define H5F_PARENT(F) ((F)->parent)
#define H5F_NMOUNTS(F) ((F)->nmounts)
#define H5F_DRIVER_ID(F) ((F)->shared->lf->driver_id)
#define H5F_GET_FILENO(F, FILENUM) ((FILENUM) = (F)->shared->lf->fileno)
#define H5F_HAS_FEATURE(F, FL) ((F)->shared->lf->feature_flags & (FL))
#define H5F_BASE_ADDR(F) ((F)->shared->sblock->base_addr)
#define H5F_SYM_LEAF_K(F) ((F)->shared->sblock->sym_leaf_k)
#define H5F_KVALUE(F, T) ((F)->shared->sblock->btree_k[(T)->id])
#define H5F_NREFS(F) ((F)->shared->nrefs)
#define H5F_SIZEOF_ADDR(F) ((F)->shared->sizeof_addr)
#define H5F_SIZEOF_SIZE(F) ((F)->shared->sizeof_size)
#define H5F_SOHM_ADDR(F) ((F)->shared->sohm_addr)
#define H5F_SET_SOHM_ADDR(F, A) ((F)->shared->sohm_addr = (A))
#define H5F_SOHM_VERS(F) ((F)->shared->sohm_vers)
#define H5F_SET_SOHM_VERS(F, V) ((F)->shared->sohm_vers = (V))
#define H5F_SOHM_NINDEXES(F) ((F)->shared->sohm_nindexes)
#define H5F_SET_SOHM_NINDEXES(F, N) ((F)->shared->sohm_nindexes = (N))
#define H5F_FCPL(F) ((F)->shared->fcpl_id)
#define H5F_GET_FC_DEGREE(F) ((F)->shared->fc_degree)
#define H5F_RDCC_NSLOTS(F) ((F)->shared->rdcc_nslots)
#define H5F_RDCC_NBYTES(F) ((F)->shared->rdcc_nbytes)
#define H5F_RDCC_W0(F) ((F)->shared->rdcc_w0)
#define H5F_SIEVE_BUF_SIZE(F) ((F)->shared->sieve_buf_size)
#define H5F_GC_REF(F) ((F)->shared->gc_ref)
#define H5F_USE_LATEST_FORMAT(F) ((F)->shared->latest_format)
#define H5F_STORE_MSG_CRT_IDX(F) ((F)->shared->store_msg_crt_idx)
#define H5F_SET_STORE_MSG_CRT_IDX(F, FL) ((F)->shared->store_msg_crt_idx = (FL))
#define H5F_GRP_BTREE_SHARED(F) ((F)->shared->grp_btree_shared)
#define H5F_SET_GRP_BTREE_SHARED(F, RC) (((F)->shared->grp_btree_shared = (RC)) ? SUCCEED : FAIL)
#define H5F_USE_TMP_SPACE(F) ((F)->shared->use_tmp_space)
#define H5F_IS_TMP_ADDR(F, ADDR) (H5F_addr_le((F)->shared->tmp_addr, (ADDR)))
#else /* H5F_PACKAGE */
#define H5F_INTENT(F) (H5F_get_intent(F))
#define H5F_OPEN_NAME(F) (H5F_get_open_name(F))
#define H5F_ACTUAL_NAME(F) (H5F_get_actual_name(F))
#define H5F_EXTPATH(F) (H5F_get_extpath(F))
#define H5F_SHARED(F) (H5F_get_shared(F))
#define H5F_SAME_SHARED(F1, F2) (H5F_same_shared((F1), (F2)))
#define H5F_NOPEN_OBJS(F) (H5F_get_nopen_objs(F))
#define H5F_INCR_NOPEN_OBJS(F) (H5F_incr_nopen_objs(F))
#define H5F_DECR_NOPEN_OBJS(F) (H5F_decr_nopen_objs(F))
#define H5F_FILE_ID(F) (H5F_get_file_id(F))
#define H5F_PARENT(F) (H5F_get_parent(F))
#define H5F_NMOUNTS(F) (H5F_get_nmounts(F))
#define H5F_DRIVER_ID(F) (H5F_get_driver_id(F))
#define H5F_GET_FILENO(F, FILENUM) (H5F_get_fileno((F), &(FILENUM)))
#define H5F_HAS_FEATURE(F, FL) (H5F_has_feature(F, FL))
#define H5F_BASE_ADDR(F) (H5F_get_base_addr(F))
#define H5F_SYM_LEAF_K(F) (H5F_sym_leaf_k(F))
#define H5F_KVALUE(F, T) (H5F_Kvalue(F, T))
#define H5F_NREFS(F) (H5F_get_nrefs(F))
#define H5F_SIZEOF_ADDR(F) (H5F_sizeof_addr(F))
#define H5F_SIZEOF_SIZE(F) (H5F_sizeof_size(F))
#define H5F_SOHM_ADDR(F) (H5F_get_sohm_addr(F))
#define H5F_SET_SOHM_ADDR(F, A) (H5F_set_sohm_addr((F), (A)))
#define H5F_SOHM_VERS(F) (H5F_get_sohm_vers(F))
#define H5F_SET_SOHM_VERS(F, V) (H5F_set_sohm_vers((F), (V)))
#define H5F_SOHM_NINDEXES(F) (H5F_get_sohm_nindexes(F))
#define H5F_SET_SOHM_NINDEXES(F, N) (H5F_set_sohm_nindexes((F), (N)))
#define H5F_FCPL(F) (H5F_get_fcpl(F))
#define H5F_GET_FC_DEGREE(F) (H5F_get_fc_degree(F))
#define H5F_RDCC_NSLOTS(F) (H5F_rdcc_nslots(F))
#define H5F_RDCC_NBYTES(F) (H5F_rdcc_nbytes(F))
#define H5F_RDCC_W0(F) (H5F_rdcc_w0(F))
#define H5F_SIEVE_BUF_SIZE(F) (H5F_sieve_buf_size(F))
#define H5F_GC_REF(F) (H5F_gc_ref(F))
#define H5F_USE_LATEST_FORMAT(F) (H5F_use_latest_format(F))
#define H5F_STORE_MSG_CRT_IDX(F) (H5F_store_msg_crt_idx(F))
#define H5F_SET_STORE_MSG_CRT_IDX(F, FL) (H5F_set_store_msg_crt_idx((F), (FL)))
#define H5F_GRP_BTREE_SHARED(F) (H5F_grp_btree_shared(F))
#define H5F_SET_GRP_BTREE_SHARED(F, RC) (H5F_set_grp_btree_shared((F), (RC)))
#define H5F_USE_TMP_SPACE(F) (H5F_use_tmp_space(F))
#define H5F_IS_TMP_ADDR(F, ADDR) (H5F_is_tmp_addr((F), (ADDR)))
#endif /* H5F_PACKAGE */
/* Macros to encode/decode offset/length's for storing in the file */
#define H5F_ENCODE_OFFSET(f, p, o) \
switch (H5F_SIZEOF_ADDR(f)) { \
case 4: \
UINT32ENCODE(p, o); \
break; \
case 8: \
UINT64ENCODE(p, o); \
break; \
case 2: \
UINT16ENCODE(p, o); \
break; \
}
#define H5F_DECODE_OFFSET(f, p, o) \
switch (H5F_SIZEOF_ADDR(f)) { \
case 4: \
UINT32DECODE(p, o); \
break; \
case 8: \
UINT64DECODE(p, o); \
break; \
case 2: \
UINT16DECODE(p, o); \
break; \
}
#define H5F_ENCODE_LENGTH_LEN(p, l, s) \
switch (s) { \
case 4: \
UINT32ENCODE(p, l); \
break; \
case 8: \
UINT64ENCODE(p, l); \
break; \
case 2: \
UINT16ENCODE(p, l); \
break; \
default: \
HDassert("bad sizeof size" && 0); \
}
#define H5F_ENCODE_LENGTH(f, p, l) H5F_ENCODE_LENGTH_LEN(p, l, H5F_SIZEOF_SIZE(f))
#define H5F_DECODE_LENGTH_LEN(p, l, s) \
switch (s) { \
case 4: \
UINT32DECODE(p, l); \
break; \
case 8: \
UINT64DECODE(p, l); \
break; \
case 2: \
UINT16DECODE(p, l); \
break; \
default: \
HDassert("bad sizeof size" && 0); \
}
#define H5F_DECODE_LENGTH(f, p, l) H5F_DECODE_LENGTH_LEN(p, l, H5F_SIZEOF_SIZE(f))
/*
* Macros that check for overflows. These are somewhat dangerous to fiddle
* with.
*/
#if (H5_SIZEOF_SIZE_T >= H5_SIZEOF_OFF_T)
#define H5F_OVERFLOW_SIZET2OFFT(X) ((size_t)(X) >= (size_t)((size_t)1 << (8 * sizeof(off_t) - 1)))
#else
#define H5F_OVERFLOW_SIZET2OFFT(X) 0
#endif
#if (H5_SIZEOF_HSIZE_T >= H5_SIZEOF_OFF_T)
#define H5F_OVERFLOW_HSIZET2OFFT(X) ((hsize_t)(X) >= (hsize_t)((hsize_t)1 << (8 * sizeof(off_t) - 1)))
#else
#define H5F_OVERFLOW_HSIZET2OFFT(X) 0
#endif
/* Sizes of object addresses & sizes in the file (in bytes) */
#define H5F_OBJ_ADDR_SIZE sizeof(haddr_t)
#define H5F_OBJ_SIZE_SIZE sizeof(hsize_t)
/* File-wide default character encoding can not yet be set via the file
* creation property list and is always ASCII. */
#define H5F_DEFAULT_CSET H5T_CSET_ASCII
/* ========= File Creation properties ============ */
#define H5F_CRT_USER_BLOCK_NAME "block_size" /* Size of the file user block in bytes */
#define H5F_CRT_SYM_LEAF_NAME "symbol_leaf" /* 1/2 rank for symbol table leaf nodes */
#define H5F_CRT_SYM_LEAF_DEF 4
#define H5F_CRT_BTREE_RANK_NAME "btree_rank" /* 1/2 rank for btree internal nodes */
#define H5F_CRT_ADDR_BYTE_NUM_NAME "addr_byte_num" /* Byte number in an address */
#define H5F_CRT_OBJ_BYTE_NUM_NAME "obj_byte_num" /* Byte number for object size */
#define H5F_CRT_SUPER_VERS_NAME "super_version" /* Version number of the superblock */
/* Number of shared object header message indexes */
#define H5F_CRT_SHMSG_NINDEXES_NAME "num_shmsg_indexes"
#define H5F_CRT_SHMSG_INDEX_TYPES_NAME "shmsg_message_types" /* Types of message in each index */
/* Minimum size of messages in each index */
#define H5F_CRT_SHMSG_INDEX_MINSIZE_NAME "shmsg_message_minsize"
#define H5F_CRT_SHMSG_LIST_MAX_NAME "shmsg_list_max" /* Shared message list maximum size */
#define H5F_CRT_SHMSG_BTREE_MIN_NAME "shmsg_btree_min" /* Shared message B-tree minimum size */
/* ========= File Access properties ============ */
#define H5F_ACS_META_CACHE_INIT_CONFIG_NAME \
"mdc_initCacheCfg" /* Initial metadata cache resize configuration */
#define H5F_ACS_DATA_CACHE_NUM_SLOTS_NAME "rdcc_nslots" /* Size of raw data chunk cache(slots) */
#define H5F_ACS_DATA_CACHE_BYTE_SIZE_NAME "rdcc_nbytes" /* Size of raw data chunk cache(bytes) */
#define H5F_ACS_PREEMPT_READ_CHUNKS_NAME "rdcc_w0" /* Preemption read chunks first */
#define H5F_ACS_ALIGN_THRHD_NAME "threshold" /* Threshold for alignment */
#define H5F_ACS_ALIGN_NAME "align" /* Alignment */
#define H5F_ACS_META_BLOCK_SIZE_NAME \
"meta_block_size" /* Minimum metadata allocation block size (when aggregating metadata allocations) */
#define H5F_ACS_SIEVE_BUF_SIZE_NAME \
"sieve_buf_size" /* Maximum sieve buffer size (when data sieving is allowed by file driver) */
#define H5F_ACS_SDATA_BLOCK_SIZE_NAME \
"sdata_block_size" /* Minimum "small data" allocation block size (when aggregating "small" raw data \
allocations) */
#define H5F_ACS_GARBG_COLCT_REF_NAME "gc_ref" /* Garbage-collect references */
#define H5F_ACS_FILE_DRV_ID_NAME "driver_id" /* File driver ID */
#define H5F_ACS_FILE_DRV_INFO_NAME "driver_info" /* File driver info */
#define H5F_ACS_CLOSE_DEGREE_NAME "close_degree" /* File close degree */
#define H5F_ACS_FAMILY_OFFSET_NAME "family_offset" /* Offset position in file for family file driver */
#define H5F_ACS_FAMILY_NEWSIZE_NAME \
"family_newsize" /* New member size of family driver. (private property only used by h5repart) */
#define H5F_ACS_FAMILY_TO_SEC2_NAME \
"family_to_sec2" /* Whether to convert family to sec2 driver. (private property only used by h5repart) \
*/
#define H5F_ACS_MULTI_TYPE_NAME "multi_type" /* Data type in multi file driver */
#define H5F_ACS_LATEST_FORMAT_NAME "latest_format" /* 'Use latest format version' flag */
#define H5F_ACS_WANT_POSIX_FD_NAME \
"want_posix_fd" /* Internal: query the file descriptor from the core VFD, instead of the memory address \
*/
#define H5F_ACS_EFC_SIZE_NAME "efc_size" /* Size of external file cache */
#define H5F_ACS_FILE_IMAGE_INFO_NAME \
"file_image_info" /* struct containing initial file image and callback info */
#define H5F_ACS_CORE_WRITE_TRACKING_FLAG_NAME \
"core_write_tracking_flag" /* Whether or not core VFD backing store write tracking is enabled */
#define H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_NAME \
"core_write_tracking_page_size" /* The page size in kiB when core VFD write tracking is enabled */
/* ======================== File Mount properties ====================*/
#define H5F_MNT_SYM_LOCAL_NAME "local" /* Whether absolute symlinks local to file. */
#ifdef H5_HAVE_PARALLEL
/* Which process writes metadata */
#define H5_PAR_META_WRITE 0
#endif /* H5_HAVE_PARALLEL */
/* Define the HDF5 file signature */
#define H5F_SIGNATURE "\211HDF\r\n\032\n"
#define H5F_SIGNATURE_LEN 8
/* Version #'s of the major components of the file format */
#define HDF5_SUPERBLOCK_VERSION_DEF 0 /* The default super block format */
#define HDF5_SUPERBLOCK_VERSION_1 1 /* Version with non-default B-tree 'K' value */
#define HDF5_SUPERBLOCK_VERSION_2 2 /* Revised version with superblock extension and checksum */
#define HDF5_SUPERBLOCK_VERSION_LATEST HDF5_SUPERBLOCK_VERSION_2 /* The maximum super block format */
#define HDF5_FREESPACE_VERSION 0 /* of the Free-Space Info */
#define HDF5_OBJECTDIR_VERSION 0 /* of the Object Directory format */
#define HDF5_SHAREDHEADER_VERSION 0 /* of the Shared-Header Info */
#define HDF5_DRIVERINFO_VERSION_0 0 /* of the Driver Information Block*/
/* B-tree internal 'K' values */
#define HDF5_BTREE_SNODE_IK_DEF 16
#define HDF5_BTREE_CHUNK_IK_DEF \
32 /* Note! this value is assumed \
to be 32 for version 0 \
of the superblock and \
if it is changed, the code \
must compensate. -QAK \
*/
#define HDF5_BTREE_IK_MAX_ENTRIES 65536 /* 2^16 - 2 bytes for storing entries (children) */
/* See format specification on version 1 B-trees */
/* Macros to define signatures of all objects in the file */
/* Size of signature information (on disk) */
/* (all on-disk signatures should be this length) */
#define H5_SIZEOF_MAGIC 4
/* v1 B-tree node signature */
#define H5B_MAGIC "TREE"
/* v2 B-tree signatures */
#define H5B2_HDR_MAGIC "BTHD" /* Header */
#define H5B2_INT_MAGIC "BTIN" /* Internal node */
#define H5B2_LEAF_MAGIC "BTLF" /* Leaf node */
/* Extensible array signatures */
#define H5EA_HDR_MAGIC "EAHD" /* Header */
#define H5EA_IBLOCK_MAGIC "EAIB" /* Index block */
#define H5EA_DBLOCK_MAGIC "EADB" /* Data block */
/* Free space signatures */
#define H5FS_HDR_MAGIC "FSHD" /* Header */
#define H5FS_SINFO_MAGIC "FSSE" /* Serialized sections */
/* Symbol table node signature */
#define H5G_NODE_MAGIC "SNOD"
/* Fractal heap signatures */
#define H5HF_HDR_MAGIC "FRHP" /* Header */
#define H5HF_IBLOCK_MAGIC "FHIB" /* Indirect block */
#define H5HF_DBLOCK_MAGIC "FHDB" /* Direct block */
/* Global heap signature */
#define H5HG_MAGIC "GCOL"
/* Local heap signature */
#define H5HL_MAGIC "HEAP"
/* Object header signatures */
#define H5O_HDR_MAGIC "OHDR" /* Header */
#define H5O_CHK_MAGIC "OCHK" /* Continuation chunk */
/* Shared Message signatures */
#define H5SM_TABLE_MAGIC "SMTB" /* Shared Message Table */
#define H5SM_LIST_MAGIC "SMLI" /* Shared Message List */
/****************************/
/* Library Private Typedefs */
/****************************/
/* Forward declarations (for prototypes & type definitions) */
struct H5B_class_t;
struct H5RC_t;
struct H5O_loc_t;
struct H5HG_heap_t;
struct H5P_genplist_t;
/* Forward declarations for anonymous H5F objects */
/* Main file structures */
typedef struct H5F_t H5F_t;
typedef struct H5F_file_t H5F_file_t;
/* Block aggregation structure */
typedef struct H5F_blk_aggr_t H5F_blk_aggr_t;
/* I/O Info for an operation */
typedef struct H5F_io_info_t {
const H5F_t * f; /* File object */
const struct H5P_genplist_t *dxpl; /* DXPL object */
} H5F_io_info_t;
/*****************************/
/* Library-private Variables */
/*****************************/
/***************************************/
/* Library-private Function Prototypes */
/***************************************/
/* Private functions */
H5_DLL H5F_t *H5F_open(const char *name, unsigned flags, hid_t fcpl_id, hid_t fapl_id, hid_t dxpl_id);
H5_DLL herr_t H5F_try_close(H5F_t *f);
/* Functions than retrieve values from the file struct */
H5_DLL unsigned H5F_get_intent(const H5F_t *f);
H5_DLL char * H5F_get_open_name(const H5F_t *f);
H5_DLL char * H5F_get_actual_name(const H5F_t *f);
H5_DLL char * H5F_get_extpath(const H5F_t *f);
H5_DLL H5F_file_t *H5F_get_shared(const H5F_t *f);
H5_DLL hbool_t H5F_same_shared(const H5F_t *f1, const H5F_t *f2);
H5_DLL unsigned H5F_get_nopen_objs(const H5F_t *f);
H5_DLL unsigned H5F_incr_nopen_objs(H5F_t *f);
H5_DLL unsigned H5F_decr_nopen_objs(H5F_t *f);
H5_DLL hid_t H5F_get_file_id(const H5F_t *f);
H5_DLL ssize_t H5F_get_file_image(H5F_t *f, void *buf_ptr, size_t buf_len);
H5_DLL H5F_t * H5F_get_parent(const H5F_t *f);
H5_DLL unsigned H5F_get_nmounts(const H5F_t *f);
H5_DLL hid_t H5F_get_access_plist(H5F_t *f, hbool_t app_ref);
H5_DLL hid_t H5F_get_id(H5F_t *file, hbool_t app_ref);
H5_DLL herr_t H5F_get_obj_count(const H5F_t *f, unsigned types, hbool_t app_ref, size_t *obj_id_count_ptr);
H5_DLL herr_t H5F_get_obj_ids(const H5F_t *f, unsigned types, size_t max_objs, hid_t *oid_list,
hbool_t app_ref, size_t *obj_id_count_ptr);
/* Functions than retrieve values set/cached from the superblock/FCPL */
H5_DLL haddr_t H5F_get_base_addr(const H5F_t *f);
H5_DLL unsigned H5F_sym_leaf_k(const H5F_t *f);
H5_DLL unsigned H5F_Kvalue(const H5F_t *f, const struct H5B_class_t *type);
H5_DLL unsigned H5F_get_nrefs(const H5F_t *f);
H5_DLL uint8_t H5F_sizeof_addr(const H5F_t *f);
H5_DLL uint8_t H5F_sizeof_size(const H5F_t *f);
H5_DLL haddr_t H5F_get_sohm_addr(const H5F_t *f);
H5_DLL herr_t H5F_set_sohm_addr(H5F_t *f, haddr_t addr);
H5_DLL unsigned H5F_get_sohm_vers(const H5F_t *f);
H5_DLL herr_t H5F_set_sohm_vers(H5F_t *f, unsigned vers);
H5_DLL unsigned H5F_get_sohm_nindexes(const H5F_t *f);
H5_DLL herr_t H5F_set_sohm_nindexes(H5F_t *f, unsigned nindexes);
H5_DLL hid_t H5F_get_fcpl(const H5F_t *f);
H5_DLL H5F_close_degree_t H5F_get_fc_degree(const H5F_t *f);
H5_DLL size_t H5F_rdcc_nbytes(const H5F_t *f);
H5_DLL size_t H5F_rdcc_nslots(const H5F_t *f);
H5_DLL double H5F_rdcc_w0(const H5F_t *f);
H5_DLL size_t H5F_sieve_buf_size(const H5F_t *f);
H5_DLL unsigned H5F_gc_ref(const H5F_t *f);
H5_DLL hbool_t H5F_use_latest_format(const H5F_t *f);
H5_DLL hbool_t H5F_store_msg_crt_idx(const H5F_t *f);
H5_DLL herr_t H5F_set_store_msg_crt_idx(H5F_t *f, hbool_t flag);
H5_DLL struct H5RC_t * H5F_grp_btree_shared(const H5F_t *f);
H5_DLL herr_t H5F_set_grp_btree_shared(H5F_t *f, struct H5RC_t *rc);
H5_DLL hbool_t H5F_use_tmp_space(const H5F_t *f);
H5_DLL hbool_t H5F_is_tmp_addr(const H5F_t *f, haddr_t addr);
/* Functions that retrieve values from VFD layer */
H5_DLL hid_t H5F_get_driver_id(const H5F_t *f);
H5_DLL herr_t H5F_get_fileno(const H5F_t *f, unsigned long *filenum);
H5_DLL hbool_t H5F_has_feature(const H5F_t *f, unsigned feature);
H5_DLL haddr_t H5F_get_eoa(const H5F_t *f, H5FD_mem_t type);
H5_DLL herr_t H5F_get_vfd_handle(const H5F_t *file, hid_t fapl, void **file_handle);
/* Functions that check file mounting information */
H5_DLL hbool_t H5F_is_mount(const H5F_t *file);
H5_DLL hbool_t H5F_has_mount(const H5F_t *file);
H5_DLL herr_t H5F_traverse_mount(struct H5O_loc_t *oloc /*in,out*/);
H5_DLL herr_t H5F_flush_mounts(H5F_t *f, hid_t dxpl_id);
/* Functions that operate on blocks of bytes wrt super block */
H5_DLL herr_t H5F_block_read(const H5F_t *f, H5FD_mem_t type, haddr_t addr, size_t size, hid_t dxpl_id,
void *buf /*out*/);
H5_DLL herr_t H5F_block_write(const H5F_t *f, H5FD_mem_t type, haddr_t addr, size_t size, hid_t dxpl_id,
const void *buf);
/* Address-related functions */
H5_DLL void H5F_addr_encode(const H5F_t *f, uint8_t **pp, haddr_t addr);
H5_DLL void H5F_addr_encode_len(size_t addr_len, uint8_t **pp, haddr_t addr);
H5_DLL void H5F_addr_decode(const H5F_t *f, const uint8_t **pp, haddr_t *addr_p);
H5_DLL void H5F_addr_decode_len(size_t addr_len, const uint8_t **pp, haddr_t *addr_p);
/* File access property list callbacks */
H5_DLL herr_t H5P_facc_close(hid_t dxpl_id, void *close_data);
/* Shared file list related routines */
H5_DLL void H5F_sfile_assert_num(unsigned n);
/* Routines for creating & destroying "fake" file structures */
H5_DLL H5F_t *H5F_fake_alloc(uint8_t sizeof_size);
H5_DLL herr_t H5F_fake_free(H5F_t *f);
/* Superblock related routines */
H5_DLL herr_t H5F_super_dirty(H5F_t *f);
/* Parallel I/O (i.e. MPI) related routines */
#ifdef H5_HAVE_PARALLEL
H5_DLL int H5F_mpi_get_rank(const H5F_t *f);
H5_DLL MPI_Comm H5F_mpi_get_comm(const H5F_t *f);
H5_DLL int H5F_mpi_get_size(const H5F_t *f);
#endif /* H5_HAVE_PARALLEL */
/* External file cache routines */
H5_DLL H5F_t *H5F_efc_open(H5F_t *parent, const char *name, unsigned flags, hid_t fcpl_id, hid_t fapl_id,
hid_t dxpl_id);
H5_DLL herr_t H5F_efc_close(H5F_t *parent, H5F_t *file);
/* Global heap CWFS routines */
H5_DLL herr_t H5F_cwfs_add(H5F_t *f, struct H5HG_heap_t *heap);
H5_DLL herr_t H5F_cwfs_find_free_heap(H5F_t *f, hid_t dxpl_id, size_t need, haddr_t *addr);
H5_DLL herr_t H5F_cwfs_advance_heap(H5F_t *f, struct H5HG_heap_t *heap, hbool_t add_heap);
H5_DLL herr_t H5F_cwfs_remove_heap(H5F_file_t *shared, struct H5HG_heap_t *heap);
/* Debugging functions */
H5_DLL herr_t H5F_debug(H5F_t *f, FILE *stream, int indent, int fwidth);
#endif /* H5Fprivate_H */
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