/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* * 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 */ #include "H5VMprivate.h" /* Vectors and arrays */ /**************************/ /* 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) /* Encode a 64-bit unsigned integer and its length into a variable-sized buffer */ /* (Assumes that the high bits of the integer are zero) */ # define UINT64ENCODE_VARLEN(p, n) { \ uint64_t __n = (uint64_t)(n); \ unsigned _s = H5VM_limit_enc_size(__n); \ \ *(p)++ = (uint8_t)_s; \ UINT64ENCODE_VAR(p, __n, _s); \ } # define H5_ENCODE_UNSIGNED(p, n) { \ HDcompile_assert(sizeof(unsigned) == sizeof(uint32_t)); \ UINT32ENCODE(p, n) \ } /* Assumes the endianness of uint64_t is the same as double */ # define H5_ENCODE_DOUBLE(p, n) { \ uint64_t _n; \ size_t _u; \ uint8_t *_p = (uint8_t*)(p); \ \ HDcompile_assert(sizeof(double) == 8); \ HDcompile_assert(sizeof(double) == sizeof(uint64_t)); \ HDmemcpy(&_n, &n, sizeof(double)); \ for(_u = 0; _u < sizeof(uint64_t); _u++, _n >>= 8) \ *_p++ = (uint8_t)(_n & 0xff); \ (p) = (uint8_t *)(p) + 8; \ } /* 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) = ((int32_t)(*(p) & (unsigned)0xff)); (p)++; \ (i) |= ((int32_t)(*(p) & (unsigned)0xff) << 8); (p)++; \ (i) |= ((int32_t)(*(p) & (unsigned)0xff) << 16); (p)++; \ (i) |= ((int32_t)(((*(p) & (unsigned)0xff) << 24) | \ ((*(p) & (unsigned)0x80) ? (unsigned)(~0xffffffff) : (unsigned)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) /* Decode a 64-bit unsigned integer and its length from a variable-sized buffer */ /* (Assumes that the high bits of the integer will be zero) */ # define UINT64DECODE_VARLEN(p, n) { \ unsigned _s = *(p)++; \ \ UINT64DECODE_VAR(p, n, _s); \ } # define H5_DECODE_UNSIGNED(p, n) { \ HDcompile_assert(sizeof(unsigned) == sizeof(uint32_t)); \ UINT32DECODE(p, n) \ } /* Assumes the endianness of uint64_t is the same as double */ # define H5_DECODE_DOUBLE(p, n) { \ uint64_t _n; \ size_t _u; \ \ HDcompile_assert(sizeof(double) == 8); \ HDcompile_assert(sizeof(double) == sizeof(uint64_t)); \ _n = 0; \ (p) += 8; \ for(_u = 0; _u < sizeof(uint64_t); _u++) \ _n = (_n << 8) | *(--p); \ HDmemcpy(&(n), &_n, sizeof(double)); \ (p) += 8; \ } /* 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)))) /* 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)->id_exists) #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_file_id_exists(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 */ #define H5F_CRT_SHMSG_NINDEXES_NAME "num_shmsg_indexes" /* Number of shared object header message indexes */ #define H5F_CRT_SHMSG_INDEX_TYPES_NAME "shmsg_message_types" /* Types of message in each index */ #define H5F_CRT_SHMSG_INDEX_MINSIZE_NAME "shmsg_message_minsize" /* Minimum size of messages in each index */ #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 */ #define H5F_CRT_FILE_SPACE_STRATEGY_NAME "file_space_strategy" /* File space handling strategy */ #define H5F_CRT_FREE_SPACE_THRESHOLD_NAME "free_space_threshold" /* Free space section threshold */ /* ========= 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_VOL_ID_NAME "vol_id" /* File VOL ID */ #define H5F_ACS_VOL_INFO_NAME "vol_info" /* FILE VOL 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 */ /* Default file space handling strategy */ #define H5F_FILE_SPACE_STRATEGY_DEF H5F_FILE_SPACE_ALL /* Default free space section threshold used by free-space managers */ #define H5F_FREE_SPACE_THRESHOLD_DEF 1 /* 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_SBLOCK_MAGIC "EASB" /* Super block */ #define H5EA_DBLOCK_MAGIC "EADB" /* Data block */ /* Fixed array signatures */ #define H5FA_HDR_MAGIC "FAHD" /* Header */ #define H5FA_DBLOCK_MAGIC "FADB" /* 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 H5UC_t; struct H5O_loc_t; struct H5HG_heap_t; struct H5VL_class_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 hbool_t H5F_file_id_exists(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 H5UC_t *H5F_grp_btree_shared(const H5F_t *f); H5_DLL herr_t H5F_set_grp_btree_shared(H5F_t *f, struct H5UC_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 */