/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /*------------------------------------------------------------------------- * * Created: H5Oprivate.h * Aug 5 1997 * Robb Matzke * * Purpose: Object header private include file. * *------------------------------------------------------------------------- */ #ifndef _H5Oprivate_H #define _H5Oprivate_H /* Include the public header file for this API */ #include "H5Opublic.h" /* Object header functions */ /* Public headers needed by this file */ #include "H5Dpublic.h" /* Dataset functions */ #include "H5Lpublic.h" /* Link functions */ #include "H5Spublic.h" /* Dataspace functions */ /* Private headers needed by this file */ #include "H5private.h" /* Generic Functions */ #include "H5ACprivate.h" /* Metadata cache */ #include "H5Fprivate.h" /* File access */ #include "H5HGprivate.h" /* Global Heaps */ #include "H5SLprivate.h" /* Skip lists */ #include "H5Tprivate.h" /* Datatype functions */ #include "H5Zprivate.h" /* I/O pipeline filters */ /* Forward references of package typedefs */ typedef struct H5O_msg_class_t H5O_msg_class_t; typedef struct H5O_mesg_t H5O_mesg_t; typedef struct H5O_t H5O_t; /* Values used to create the shared message & attribute heaps */ /* (Note that these parameters have been tuned so that the resulting heap ID * is exactly 8 bytes. This is an efficient size as it can be stored * directly in an 8 byte integer in memory, think carefully before changing it. * -QAK) */ #define H5O_FHEAP_MAN_WIDTH 4 #define H5O_FHEAP_MAN_START_BLOCK_SIZE 1024 #define H5O_FHEAP_MAN_MAX_DIRECT_SIZE (64 * 1024) #define H5O_FHEAP_MAN_MAX_INDEX 40 #define H5O_FHEAP_MAN_START_ROOT_ROWS 1 #define H5O_FHEAP_CHECKSUM_DBLOCKS TRUE #define H5O_FHEAP_MAX_MAN_SIZE (4 * 1024) #define H5O_FHEAP_ID_LEN 8 /* Object header macros */ #define H5O_MESG_MAX_SIZE 65536 /*max obj header message size */ #define H5O_ALL (-1) /* Operate on all messages of type */ #define H5O_FIRST (-2) /* Operate on first message of type */ /* Flags needed when encoding messages */ #define H5O_MSG_FLAG_CONSTANT 0x01u #define H5O_MSG_FLAG_SHARED 0x02u #define H5O_MSG_FLAG_DONTSHARE 0x04u #define H5O_MSG_FLAG_FAIL_IF_UNKNOWN_AND_OPEN_FOR_WRITE 0x08u #define H5O_MSG_FLAG_MARK_IF_UNKNOWN 0x10u #define H5O_MSG_FLAG_WAS_UNKNOWN 0x20u #define H5O_MSG_FLAG_SHAREABLE 0x40u #define H5O_MSG_FLAG_BITS (H5O_MSG_FLAG_CONSTANT|H5O_MSG_FLAG_SHARED|H5O_MSG_FLAG_DONTSHARE|H5O_MSG_FLAG_FAIL_IF_UNKNOWN_AND_OPEN_FOR_WRITE|H5O_MSG_FLAG_MARK_IF_UNKNOWN|H5O_MSG_FLAG_WAS_UNKNOWN|H5O_MSG_FLAG_SHAREABLE) /* Flags for updating messages */ #define H5O_UPDATE_TIME 0x01u #define H5O_UPDATE_FORCE 0x02u /* Force updating the message */ /* Hash value constants */ #define H5O_HASH_SIZE 32 /* ========= Object Creation properties ============ */ #define H5O_CRT_ATTR_MAX_COMPACT_NAME "max compact attr" /* Max. # of attributes to store compactly */ #define H5O_CRT_ATTR_MIN_DENSE_NAME "min dense attr" /* Min. # of attributes to store densely */ #define H5O_CRT_OHDR_FLAGS_NAME "object header flags" /* Object header flags */ #define H5O_CRT_PIPELINE_NAME "pline" /* Filter pipeline */ #define H5O_CRT_PIPELINE_DEF {{0, NULL, H5O_NULL_ID, {{0, HADDR_UNDEF}}}, H5O_PLINE_VERSION_1, 0, 0, NULL} #ifdef H5O_ENABLE_BOGUS #define H5O_BOGUS_MSG_FLAGS_NAME "bogus msg flags" /* Flags for 'bogus' message */ #define H5O_BOGUS_MSG_FLAGS_SIZE sizeof(uint8_t) #endif /* H5O_ENABLE_BOGUS */ #ifdef H5O_ENABLE_BAD_MESG_COUNT #define H5O_BAD_MESG_COUNT_NAME "bad message count" /* Flag setting bad message count */ #define H5O_BAD_MESG_COUNT_SIZE sizeof(hbool_t) #endif /* H5O_ENABLE_BAD_MESG_COUNT */ /* ========= Object Copy properties ============ */ #define H5O_CPY_OPTION_NAME "copy object" /* Copy options */ #define H5O_CPY_MERGE_COMM_DT_LIST_NAME "merge committed dtype list" /* List of datatype paths to search in the dest file for merging */ #define H5O_CPY_MCDT_SEARCH_CB_NAME "committed dtype list search" /* Callback function when the search for a matching committed datatype is complete */ /* If the module using this macro is allowed access to the private variables, access them directly */ #ifdef H5O_PACKAGE #define H5O_OH_GET_ADDR(O) ((O)->chunk[0].addr) #else /* H5O_PACKAGE */ #define H5O_OH_GET_ADDR(O) (H5O_get_oh_addr(O)) #endif /* H5O_PACKAGE */ /* Set the fields in a shared message structure */ #define H5O_UPDATE_SHARED(SH_MESG, SH_TYPE, F, MSG_TYPE, CRT_IDX, OH_ADDR) \ { \ (SH_MESG)->type = (SH_TYPE); \ (SH_MESG)->file = (F); \ (SH_MESG)->msg_type_id = (MSG_TYPE); \ (SH_MESG)->u.loc.index = (CRT_IDX); \ (SH_MESG)->u.loc.oh_addr = (OH_ADDR); \ } /* end block */ /* Fractal heap ID type for shared message & attribute heap IDs. */ typedef union { uint8_t id[H5O_FHEAP_ID_LEN]; /* Buffer to hold ID, for encoding/decoding */ uint64_t val; /* Value, for quick comparisons */ } H5O_fheap_id_t; /* The object location information for an object */ typedef struct H5O_loc_t { H5F_t *file; /* File that object header is located within */ haddr_t addr; /* File address of object header */ hbool_t holding_file; /* True if this object header has incremented * its file's count of open objects. */ } H5O_loc_t; /* Typedef for linked list of datatype merge suggestions */ typedef struct H5O_copy_dtype_merge_list_t { char *path; /* Path to datatype in destination file */ struct H5O_copy_dtype_merge_list_t *next; /* Next object in list */ } H5O_copy_dtype_merge_list_t; /* Structure for callback property before searching the global list of committed datatypes at destination */ typedef struct H5O_mcdt_cb_info_t { H5O_mcdt_search_cb_t func; void *user_data; } H5O_mcdt_cb_info_t; /* Settings/flags for copying an object */ typedef struct H5O_copy_t { hbool_t copy_shallow; /* Flag to perform shallow hierarchy copy */ hbool_t expand_soft_link; /* Flag to expand soft links */ hbool_t expand_ext_link; /* Flag to expand external links */ hbool_t expand_ref; /* Flag to expand object references */ hbool_t copy_without_attr; /* Flag to not copy attributes */ hbool_t preserve_null; /* Flag to not delete NULL messages */ hbool_t merge_comm_dt; /* Flag to merge committed datatypes in dest file */ H5O_copy_dtype_merge_list_t *dst_dt_suggestion_list; /* Suggestions for merging committed datatypes */ int curr_depth; /* Current depth in hierarchy copied */ int max_depth; /* Maximum depth in hierarchy to copy */ H5SL_t *map_list; /* Skip list to hold address mappings */ H5SL_t *dst_dt_list; /* Skip list to hold committed datatypes in dest file */ hbool_t dst_dt_list_complete; /* Whether the destination datatype list is complete (i.e. not only populated with "suggestions" from H5Padd_merge_committed_dtype_path) */ H5O_t *oh_dst; /* The destination object header */ H5O_mcdt_search_cb_t mcdt_cb; /* The callback to invoke before searching the global list of committed datatypes at destination */ void *mcdt_ud; /* User data passed to callback */ } H5O_copy_t; /* Header message IDs */ #define H5O_NULL_ID 0x0000 /* Null Message. */ #define H5O_SDSPACE_ID 0x0001 /* Dataspace Message. */ #define H5O_LINFO_ID 0x0002 /* Link info Message. */ #define H5O_DTYPE_ID 0x0003 /* Datatype Message. */ #define H5O_FILL_ID 0x0004 /* Fill Value Message. (Old) */ #define H5O_FILL_NEW_ID 0x0005 /* Fill Value Message. (New) */ #define H5O_LINK_ID 0x0006 /* Link Message. */ #define H5O_EFL_ID 0x0007 /* External File List Message */ #define H5O_LAYOUT_ID 0x0008 /* Data Layout Message. */ #define H5O_BOGUS_ID 0x0009 /* "Bogus" Message. */ #define H5O_GINFO_ID 0x000a /* Group info Message. */ #define H5O_PLINE_ID 0x000b /* Filter pipeline message. */ #define H5O_ATTR_ID 0x000c /* Attribute Message. */ #define H5O_NAME_ID 0x000d /* Object name message. */ #define H5O_MTIME_ID 0x000e /* Modification time message. (Old) */ #define H5O_SHMESG_ID 0x000f /* Shared message "SOHM" table. */ #define H5O_CONT_ID 0x0010 /* Object header continuation message. */ #define H5O_STAB_ID 0x0011 /* Symbol table message. */ #define H5O_MTIME_NEW_ID 0x0012 /* Modification time message. (New) */ #define H5O_BTREEK_ID 0x0013 /* v1 B-tree 'K' values message. */ #define H5O_DRVINFO_ID 0x0014 /* Driver info message. */ #define H5O_AINFO_ID 0x0015 /* Attribute info message. */ #define H5O_REFCOUNT_ID 0x0016 /* Reference count message. */ #define H5O_FSINFO_ID 0x0017 /* Free-space manager info message. */ #define H5O_UNKNOWN_ID 0x0018 /* Placeholder message ID for unknown message. */ /* (this should never exist in a file) */ /* Shared object message types. * Shared objects can be committed, in which case the shared message contains * the location of the object header that holds the message, or shared in the * heap, in which case the shared message holds their heap ID. */ #define H5O_SHARE_TYPE_UNSHARED 0 /* Message is not shared */ #define H5O_SHARE_TYPE_SOHM 1 /* Message is stored in SOHM heap */ #define H5O_SHARE_TYPE_COMMITTED 2 /* Message is stored in another object header */ #define H5O_SHARE_TYPE_HERE 3 /* Message is stored in this object header, but is sharable */ /* Detect messages that aren't stored in message's object header */ #define H5O_IS_STORED_SHARED(T) ((((T) == H5O_SHARE_TYPE_SOHM) || ((T) == H5O_SHARE_TYPE_COMMITTED)) ? TRUE : FALSE) /* Detect shared messages that are "tracked" in some other location */ #define H5O_IS_TRACKED_SHARED(T) ((T) > 0) /* Specify the object header address and index needed * to locate a message in another object header. */ typedef struct H5O_mesg_loc_t { H5O_msg_crt_idx_t index; /* index within object header */ haddr_t oh_addr; /* address of object header */ } H5O_mesg_loc_t; /* * Shared object header message info. * * (This structure is used in other messages that can be shared and will * include a H5O_shared_t struct as the first field in their "native" type) */ typedef struct H5O_shared_t { unsigned type; /* Type describing how message is shared */ H5F_t *file; /* File that message is located within */ unsigned msg_type_id; /* Message's type ID */ union { H5O_mesg_loc_t loc; /* Object location info */ H5O_fheap_id_t heap_id; /* ID within the SOHM heap */ } u; } H5O_shared_t; /* * Link Info Message. * (Contains dynamic information about links in a group) * (Data structure in memory) * (if the fields in this struct are changed, remember to change the default * link info structure in src/H5Gprivate.h - QAK) * (if the fields in this struct are changed, also look at the code that * creates intermediate groups in src/H5Gtraverse.c - QAK) * (The "max. creation order" field is signed so that we might have an easy * way to add links to the front of the creation ordering (with negative * values) as well as the end of the creation ordering - QAK) */ typedef struct H5O_linfo_t { /* Creation order info */ hbool_t track_corder; /* Are creation order values tracked on links? */ hbool_t index_corder; /* Are creation order values indexed on links? */ int64_t max_corder; /* Current max. creation order value for group */ haddr_t corder_bt2_addr; /* Address of v2 B-tree for indexing creation order values of links */ /* Storage management info */ hsize_t nlinks; /* Number of links in the group */ haddr_t fheap_addr; /* Address of fractal heap for storing "dense" links */ haddr_t name_bt2_addr; /* Address of v2 B-tree for indexing names of links */ } H5O_linfo_t; /* Initial version of the "old" fill value information */ /* (It doesn't look like this value was ever used in the file -QAK) */ #define H5O_FILL_VERSION_1 1 /* Revised version of the "new" fill value information */ #define H5O_FILL_VERSION_2 2 /* Version of the "new" fill value information with smaller default format */ #define H5O_FILL_VERSION_3 3 /* The latest version of the format. Look through the 'encode', 'decode' * and 'size' callback for places to change when updating this. */ #define H5O_FILL_VERSION_LATEST H5O_FILL_VERSION_3 /* * Fill Value Message. * (Data structure in memory for both "old" and "new" fill value messages) * * The fill value message is fill value plus space allocation time, fill value * writing time, whether fill value is defined, and the location of the * message if it's shared. */ typedef struct H5O_fill_t { H5O_shared_t sh_loc; /* Shared message info (must be first) */ unsigned version; /* Encoding version number */ H5T_t *type; /*type. Null implies same as dataset */ ssize_t size; /*number of bytes in the fill value */ void *buf; /*the fill value */ H5D_alloc_time_t alloc_time; /* time to allocate space */ H5D_fill_time_t fill_time; /* time to write fill value */ hbool_t fill_defined; /* whether fill value is defined */ } H5O_fill_t; /* * Link message. * (Data structure in memory) */ typedef struct H5O_link_hard_t { haddr_t addr; /* Object header address */ } H5O_link_hard_t; typedef struct H5O_link_soft_t { char *name; /* Destination name */ } H5O_link_soft_t; typedef struct H5O_link_ud_t { void *udata; /* Opaque data supplied by the user */ size_t size; /* Size of udata */ } H5O_link_ud_t; typedef struct H5O_link_t { H5L_type_t type; /* Type of link */ hbool_t corder_valid; /* Creation order for link is valid (not stored) */ int64_t corder; /* Creation order for link (stored if it's valid) */ H5T_cset_t cset; /* Character set of link name */ char *name; /* Link name */ union { H5O_link_hard_t hard; /* Information for hard links */ H5O_link_soft_t soft; /* Information for soft links */ H5O_link_ud_t ud; /* Information for user-defined links */ } u; } H5O_link_t; /* * External File List Message * (Data structure in memory) */ #define H5O_EFL_ALLOC 16 /*number of slots to alloc at once */ #define H5O_EFL_UNLIMITED H5F_UNLIMITED /*max possible file size */ typedef struct H5O_efl_entry_t { size_t name_offset; /*offset of name within heap */ char *name; /*malloc'd name */ off_t offset; /*offset of data within file */ hsize_t size; /*size allocated within file */ } H5O_efl_entry_t; typedef struct H5O_efl_t { haddr_t heap_addr; /*address of name heap */ size_t nalloc; /*number of slots allocated */ size_t nused; /*number of slots used */ H5O_efl_entry_t *slot; /*array of external file entries */ } H5O_efl_t; /* * Data Layout Message. * (Data structure in file) */ #define H5O_LAYOUT_NDIMS (H5S_MAX_RANK+1) /* Initial version of the layout information. Used when space is allocated */ #define H5O_LAYOUT_VERSION_1 1 /* This version added support for delaying allocation */ #define H5O_LAYOUT_VERSION_2 2 /* This version is revised to store just the information needed for each * storage type, and to straighten out problems with contiguous layout's * sizes (was encoding them as 4-byte values when they were really n-byte * values (where n usually is 8)). */ #define H5O_LAYOUT_VERSION_3 3 /* This version adds different types of indices to chunked datasets, allows * for larger chunk dimensions, stores chunk indices into their own * message (the "layout index" message), adds features for compact/dense * storage of elements and/or chunk records, adds features for abbreviating * the storage used for partial chunks on boundaries, adds the virtual * layout type, etc. */ #define H5O_LAYOUT_VERSION_4 4 /* The latest version of the format. Look through the 'encode' * and 'size' callbacks for places to change when updating this. */ #define H5O_LAYOUT_VERSION_LATEST H5O_LAYOUT_VERSION_4 /* Forward declaration of structs used below */ struct H5D_layout_ops_t; /* Defined in H5Dpkg.h */ struct H5D_chunk_ops_t; /* Defined in H5Dpkg.h */ typedef struct H5O_storage_contig_t { haddr_t addr; /* File address of data */ hsize_t size; /* Size of data in bytes */ } H5O_storage_contig_t; typedef struct H5O_storage_chunk_btree_t { haddr_t dset_ohdr_addr; /* File address dataset's object header */ H5UC_t *shared; /* Ref-counted shared info for B-tree nodes */ } H5O_storage_chunk_btree_t; typedef struct H5O_storage_chunk_t { H5D_chunk_index_t idx_type; /* Type of chunk index */ haddr_t idx_addr; /* File address of chunk index */ const struct H5D_chunk_ops_t *ops; /* Pointer to chunked storage operations */ union { H5O_storage_chunk_btree_t btree; /* Information for v1 B-tree index */ } u; } H5O_storage_chunk_t; typedef struct H5O_storage_compact_t { hbool_t dirty; /* Dirty flag for compact dataset */ size_t size; /* Size of buffer in bytes */ void *buf; /* Buffer for compact dataset */ } H5O_storage_compact_t; typedef struct H5O_storage_virtual_srcdset_t { /* Stored */ struct H5S_t *virtual_select; /* Selection in the virtual dataset that is mapped to source selection */ /* Not stored */ char *file_name; /* Source file name used for virtual dataset mapping */ char *dset_name; /* Source dataset name used for virtual dataset mapping */ struct H5S_t *clipped_source_select; /* Clipped version of source_select */ struct H5S_t *clipped_virtual_select; /* Clipped version of virtual_select */ struct H5D_t *dset; /* Source dataset */ /* Temporary - only used during I/O operation, NULL at all other times */ struct H5S_t *projected_mem_space; /* Selection within mem_space for this mapping */ } H5O_storage_virtual_srcdset_t; typedef struct H5O_storage_virtual_name_seg_t { char *name_segment; /* String for this name segment */ struct H5O_storage_virtual_name_seg_t *next; /* Next name segment */ } H5O_storage_virtual_name_seg_t; typedef enum H5O_virtual_space_status_t { H5O_VIRTUAL_STATUS_INVALID = 0, /* Space extent is invalid */ H5O_VIRTUAL_STATUS_SEL_BOUNDS, /* Space extent set to bounds of selection */ H5O_VIRTUAL_STATUS_USER, /* Space extent provided by application */ H5O_VIRTUAL_STATUS_CORRECT /* Space extent matches dataset */ } H5O_virtual_space_status_t; typedef struct H5O_storage_virtual_ent_t { /* Stored */ H5O_storage_virtual_srcdset_t source_dset; /* Information about the source dataset */ char *source_file_name; /* Original (unparsed) source file name */ char *source_dset_name; /* Original (unparsed) source dataset name */ struct H5S_t *source_select; /* Selection in the source dataset for mapping */ /* Not stored */ H5O_storage_virtual_srcdset_t *sub_dset; /* Array of sub-source dataset info structs */ size_t sub_dset_nalloc; /* Number of slots allocated in sub_dset */ size_t sub_dset_nused; /* Number of slots "used" in sub_dset - essentially the farthest sub dataset in the extent */ size_t sub_dset_io_start; /* First element in sub_dset involved in current I/O op. Field has no meaning and may be uninitialized at all other times */ size_t sub_dset_io_end; /* First element in sub_dset outside of current I/O op. Field has no meaning and may be uninitialized at all other times */ H5O_storage_virtual_name_seg_t *parsed_source_file_name; /* Parsed version of source_dset.file_name */ size_t psfn_static_strlen; /* Length of parsed_source_file_name without block number substitutions */ size_t psfn_nsubs; /* Number of block number substitutions in parsed_source_file_name */ H5O_storage_virtual_name_seg_t *parsed_source_dset_name; /* Parsed version of source_dset.dset_name */ size_t psdn_static_strlen; /* Length of parsed_source_dset_name without block number substitutions */ size_t psdn_nsubs; /* Number of block number substitutions in parsed_source_dset_name */ int unlim_dim_source; /* Unlimited dimension in source_select */ int unlim_dim_virtual; /* Unlimited dimension in virtual_select */ hsize_t unlim_extent_source; /* Extent of unlimited dimension in source dset last time virtual_select was patched to match selection */ hsize_t unlim_extent_virtual; /* Extent of unlimited dimension in virtual dset last time source_select was patched to match selection */ hsize_t clip_size_virtual; /* Size selection would be clipped to in virtual selection, ignoring other mappings, when source extent == unlim_extent_source */ hsize_t clip_size_source; /* Size selection would be clipped to in source selection when virtual extent == unlim_extent_virtual */ H5O_virtual_space_status_t source_space_status; /* Extent patching status of source_select */ H5O_virtual_space_status_t virtual_space_status; /* Extent patching status of virtual_select */ } H5O_storage_virtual_ent_t; typedef struct H5O_storage_virtual_t { /* Stored in message */ H5HG_t serial_list_hobjid; /* Global heap ID for the list of virtual mapping entries stored on disk */ /* Stored in heap */ size_t list_nused; /* Number of array elements used in list */ H5O_storage_virtual_ent_t *list; /* Array of virtual dataset mapping entries */ /* Not stored */ size_t list_nalloc; /* Number of slots allocated */ hsize_t min_dims[H5S_MAX_RANK]; /* Minimum extent of VDS (maximum of all non-unlimited selection bounds) */ H5D_vds_view_t view; /* Method for calculating the extent of the virtual dataset with unlimited selections */ hsize_t printf_gap; /* Maximum number of sequential missing source datasets before terminating the search for more */ hbool_t init; /* Whether all information has been completely initialized */ } H5O_storage_virtual_t; typedef struct H5O_storage_t { H5D_layout_t type; /* Type of layout */ union { H5O_storage_contig_t contig; /* Information for contiguous storage */ H5O_storage_chunk_t chunk; /* Information for chunked storage */ H5O_storage_compact_t compact; /* Information for compact storage */ H5O_storage_virtual_t virt; /* Information for virtual storage */ } u; } H5O_storage_t; typedef struct H5O_layout_chunk_t { unsigned ndims; /* Num dimensions in chunk */ uint32_t dim[H5O_LAYOUT_NDIMS]; /* Size of chunk in elements */ uint32_t size; /* Size of chunk in bytes */ hsize_t nchunks; /* Number of chunks in dataset */ hsize_t chunks[H5O_LAYOUT_NDIMS]; /* # of chunks in each dataset dimension */ hsize_t down_chunks[H5O_LAYOUT_NDIMS]; /* "down" size of number of chunks in each dimension */ } H5O_layout_chunk_t; typedef struct H5O_layout_t { H5D_layout_t type; /* Type of layout */ unsigned version; /* Version of message */ const struct H5D_layout_ops_t *ops; /* Pointer to data layout I/O operations */ union { H5O_layout_chunk_t chunk; /* Information for chunked layout */ } u; H5O_storage_t storage; /* Information for storing dataset elements */ } H5O_layout_t; /* Enable reading/writing "bogus" messages */ /* #define H5O_ENABLE_BOGUS */ #ifdef H5O_ENABLE_BOGUS /* * "Bogus" Message. * (Data structure in memory) */ #define H5O_BOGUS_VALUE 0xdeadbeef typedef struct H5O_bogus_t { unsigned u; /* Hold the bogus info */ } H5O_bogus_t; #endif /* H5O_ENABLE_BOGUS */ /* * Group info message. * (Contains constant information about a group) * (Data structure in memory) * (if the fields in this struct are changed, remember to change the default * group info structure in src/H5Gprivate.h - QAK) */ typedef struct H5O_ginfo_t { /* "Old" format group info (not stored) */ uint32_t lheap_size_hint; /* Local heap size hint */ /* "New" format group info (stored) */ /* (storage management info) */ hbool_t store_link_phase_change;/* Whether to store the link phase change values */ uint16_t max_compact; /* Maximum # of compact links */ uint16_t min_dense; /* Minimum # of "dense" links */ /* (initial object header size info) */ hbool_t store_est_entry_info; /* Whether to store the est. entry values */ uint16_t est_num_entries; /* Estimated # of entries in group */ uint16_t est_name_len; /* Estimated length of entry name */ } H5O_ginfo_t; /* * Filter pipeline message. * (Data structure in memory) */ /* The initial version of the format */ #define H5O_PLINE_VERSION_1 1 /* This version encodes the message fields more efficiently */ /* (Drops the reserved bytes, doesn't align the name and doesn't encode the * filter name at all if it's a filter provided by the library) */ #define H5O_PLINE_VERSION_2 2 /* The latest version of the format. Look through the 'encode' and 'size' * callbacks for places to change when updating this. */ #define H5O_PLINE_VERSION_LATEST H5O_PLINE_VERSION_2 typedef struct H5O_pline_t { H5O_shared_t sh_loc; /* Shared message info (must be first) */ unsigned version; /* Encoding version number */ size_t nalloc; /*num elements in `filter' array */ size_t nused; /*num filters defined */ H5Z_filter_info_t *filter; /*array of filters */ } H5O_pline_t; /* * Object name message. * (Data structure in memory) */ typedef struct H5O_name_t { char *s; /*ptr to malloc'd memory */ } H5O_name_t; /* * Shared message table message * Information about file-wide shared message table, stored in superblock * extension * (Data structure in memory) */ typedef struct H5O_shmesg_table_t { haddr_t addr; /*file address of SOHM table */ unsigned version; /*SOHM table version number */ unsigned nindexes; /*number of indexes in the table */ } H5O_shmesg_table_t; /* * Object header continuation message. * (Data structure in memory) */ typedef struct H5O_cont_t { haddr_t addr; /*address of continuation block */ size_t size; /*size of continuation block */ /* the following field(s) do not appear on disk */ unsigned chunkno; /*chunk this mesg refers to */ } H5O_cont_t; /* * Symbol table message. * (Data structure in memory) */ typedef struct H5O_stab_t { haddr_t btree_addr; /*address of B-tree */ haddr_t heap_addr; /*address of name heap */ } H5O_stab_t; /* * v1 B-tree 'K' value message * Information about file-wide non-default v1 B-tree 'K' values, stored in * superblock extension * (Data structure in memory) */ typedef struct H5O_btreek_t { unsigned btree_k[H5B_NUM_BTREE_ID]; /* B-tree internal node 'K' values */ unsigned sym_leaf_k; /* Symbol table leaf node's 'K' value */ } H5O_btreek_t; /* * Driver info message * Information about driver info, stored in superblock extension * (Data structure in memory) */ typedef struct H5O_drvinfo_t { /* Information for H5AC cache functions, _must_ be first field in structure */ H5AC_info_t cache_info; char name[9]; /* Driver name */ size_t len; /* Length of encoded buffer */ uint8_t *buf; /* Buffer for encoded info */ } H5O_drvinfo_t; /* * Attribute Info Message. * (Contains dynamic information about attributes on an object) * (Data structure in memory) */ typedef struct H5O_ainfo_t { /* Creation order info */ hbool_t track_corder; /* Are creation order values tracked on attributes? */ hbool_t index_corder; /* Are creation order values indexed on attributes? */ H5O_msg_crt_idx_t max_crt_idx; /* Maximum attribute creation index used */ haddr_t corder_bt2_addr; /* Address of v2 B-tree for indexing creation order values of "dense" attributes */ /* Storage management info */ hsize_t nattrs; /* Number of attributes on the object */ haddr_t fheap_addr; /* Address of fractal heap for storing "dense" attributes */ haddr_t name_bt2_addr; /* Address of v2 B-tree for indexing names of "dense" attributes */ } H5O_ainfo_t; /* * Reference Count Message. * (Data structure in memory) */ typedef uint32_t H5O_refcount_t; /* Contains # of links to object, if >1 */ /* * "Unknown" Message. * (Data structure in memory) */ typedef unsigned H5O_unknown_t; /* Original message type ID */ /* * Free space manager info Message. * Contains file space management info and * addresses of free space managers for file memory * (Data structure in memory) */ typedef struct H5O_fsinfo_t { H5F_file_space_type_t strategy; /* File space strategy */ hsize_t threshold; /* Free space section threshold */ haddr_t fs_addr[H5FD_MEM_NTYPES-1]; /* Addresses of free space managers */ } H5O_fsinfo_t; /* Typedef for "application" iteration operations */ typedef herr_t (*H5O_operator_t)(const void *mesg/*in*/, unsigned idx, void *operator_data/*in,out*/); #ifdef OUT /* Typedef for "internal library" iteration operations */ typedef herr_t (*H5O_lib_operator_t)(H5O_t *oh, H5O_mesg_t *mesg/*in,out*/, unsigned sequence, hbool_t *oh_modified/*out*/, void *operator_data/*in,out*/); #endif /* Typedef for "internal library" iteration operations */ typedef herr_t (*H5O_lib_operator_t)(H5O_t *oh, H5O_mesg_t *mesg/*in,out*/, unsigned sequence, unsigned *oh_modified/*out*/, void *operator_data/*in,out*/); /* Some syntactic sugar to make the compiler happy with two different kinds of iterator callbacks */ typedef enum H5O_mesg_operator_type_t { H5O_MESG_OP_APP, /* Application callback */ H5O_MESG_OP_LIB /* Library internal callback */ } H5O_mesg_operator_type_t; #define H5O_MODIFY_CONDENSE 0x01 #define H5O_MODIFY 0x02 typedef struct { H5O_mesg_operator_type_t op_type; union { H5O_operator_t app_op; /* Application callback for each message */ H5O_lib_operator_t lib_op; /* Library internal callback for each message */ } u; } H5O_mesg_operator_t; /* Typedef for abstract object creation */ typedef struct { H5O_type_t obj_type; /* Type of object to create */ void *crt_info; /* Information for object creation callback */ void *new_obj; /* Pointer to new object created */ } H5O_obj_create_t; /* Forward declarations for prototype arguments */ struct H5P_genplist_t; /* Object header routines */ H5_DLL herr_t H5O_init(void); H5_DLL herr_t H5O_create(H5F_t *f, hid_t dxpl_id, size_t size_hint, size_t initial_rc, hid_t ocpl_id, H5O_loc_t *loc/*out*/); H5_DLL herr_t H5O_open(H5O_loc_t *loc); H5_DLL herr_t H5O_close(H5O_loc_t *loc); H5_DLL int H5O_link(const H5O_loc_t *loc, int adjust, hid_t dxpl_id); H5_DLL H5O_t *H5O_protect(const H5O_loc_t *loc, hid_t dxpl_id, unsigned prot_flags); H5_DLL H5O_t *H5O_pin(const H5O_loc_t *loc, hid_t dxpl_id); H5_DLL herr_t H5O_unpin(H5O_t *oh); H5_DLL herr_t H5O_dec_rc_by_loc(const H5O_loc_t *loc, hid_t dxpl_id); H5_DLL herr_t H5O_unprotect(const H5O_loc_t *loc, hid_t dxpl_id, H5O_t *oh, unsigned oh_flags); H5_DLL herr_t H5O_touch(const H5O_loc_t *loc, hbool_t force, hid_t dxpl_id); H5_DLL herr_t H5O_touch_oh(H5F_t *f, hid_t dxpl_id, H5O_t *oh, hbool_t force); #ifdef H5O_ENABLE_BOGUS H5_DLL herr_t H5O_bogus_oh(H5F_t *f, hid_t dxpl_id, H5O_t *oh, unsigned mesg_flags); #endif /* H5O_ENABLE_BOGUS */ H5_DLL herr_t H5O_delete(H5F_t *f, hid_t dxpl_id, haddr_t addr); H5_DLL herr_t H5O_get_hdr_info(const H5O_loc_t *oloc, hid_t dxpl_id, H5O_hdr_info_t *hdr); H5_DLL herr_t H5O_get_info(const H5O_loc_t *oloc, hid_t dxpl_id, hbool_t want_ih_info, H5O_info_t *oinfo); H5_DLL herr_t H5O_obj_type(const H5O_loc_t *loc, H5O_type_t *obj_type, hid_t dxpl_id); H5_DLL herr_t H5O_get_create_plist(const H5O_loc_t *loc, hid_t dxpl_id, struct H5P_genplist_t *oc_plist); H5_DLL hid_t H5O_open_name(H5G_loc_t *loc, const char *name, hid_t lapl_id, hbool_t app_ref); H5_DLL herr_t H5O_get_nlinks(const H5O_loc_t *loc, hid_t dxpl_id, hsize_t *nlinks); H5_DLL void *H5O_obj_create(H5F_t *f, H5O_type_t obj_type, void *crt_info, H5G_loc_t *obj_loc, hid_t dxpl_id); H5_DLL haddr_t H5O_get_oh_addr(const H5O_t *oh); H5_DLL herr_t H5O_get_rc_and_type(const H5O_loc_t *oloc, hid_t dxpl_id, unsigned *rc, H5O_type_t *otype); /* Object header message routines */ H5_DLL herr_t H5O_msg_create(const H5O_loc_t *loc, unsigned type_id, unsigned mesg_flags, unsigned update_flags, void *mesg, hid_t dxpl_id); H5_DLL herr_t H5O_msg_append_oh(H5F_t *f, hid_t dxpl_id, H5O_t *oh, unsigned type_id, unsigned mesg_flags, unsigned update_flags, void *mesg); H5_DLL herr_t H5O_msg_write(const H5O_loc_t *loc, unsigned type_id, unsigned mesg_flags, unsigned update_flags, void *mesg, hid_t dxpl_id); H5_DLL herr_t H5O_msg_write_oh(H5F_t *f, hid_t dxpl_id, H5O_t *oh, unsigned type_id, unsigned mesg_flags, unsigned update_flags, void *mesg); H5_DLL void *H5O_msg_read(const H5O_loc_t *loc, unsigned type_id, void *mesg, hid_t dxpl_id); H5_DLL void *H5O_msg_read_oh(H5F_t *f, hid_t dxpl_id, H5O_t *oh, unsigned type_id, void *mesg); H5_DLL herr_t H5O_msg_reset(unsigned type_id, void *native); H5_DLL void *H5O_msg_free(unsigned type_id, void *mesg); H5_DLL void *H5O_msg_copy(unsigned type_id, const void *mesg, void *dst); H5_DLL int H5O_msg_count(const H5O_loc_t *loc, unsigned type_id, hid_t dxpl_id); H5_DLL htri_t H5O_msg_exists(const H5O_loc_t *loc, unsigned type_id, hid_t dxpl_id); H5_DLL htri_t H5O_msg_exists_oh(const H5O_t *oh, unsigned type_id); H5_DLL herr_t H5O_msg_remove(const H5O_loc_t *loc, unsigned type_id, int sequence, hbool_t adj_link, hid_t dxpl_id); H5_DLL herr_t H5O_msg_remove_op(const H5O_loc_t *loc, unsigned type_id, int sequence, H5O_operator_t op, void *op_data, hbool_t adj_link, hid_t dxpl_id); H5_DLL herr_t H5O_msg_iterate(const H5O_loc_t *loc, unsigned type_id, const H5O_mesg_operator_t *op, void *op_data, hid_t dxpl_id); H5_DLL size_t H5O_msg_raw_size(const H5F_t *f, unsigned type_id, hbool_t disable_shared, const void *mesg); H5_DLL size_t H5O_msg_size_f(const H5F_t *f, hid_t ocpl_id, unsigned type_id, const void *mesg, size_t extra_raw); H5_DLL size_t H5O_msg_size_oh(const H5F_t *f, const H5O_t *oh, unsigned type_id, const void *mesg, size_t extra_raw); H5_DLL htri_t H5O_msg_is_shared(unsigned type_id, const void *mesg); H5_DLL htri_t H5O_msg_can_share(unsigned type_id, const void *mesg); H5_DLL htri_t H5O_msg_can_share_in_ohdr(unsigned type_id); H5_DLL herr_t H5O_msg_set_share(unsigned type_id, const H5O_shared_t *share, void *mesg); H5_DLL herr_t H5O_msg_reset_share(unsigned type_id, void *mesg); H5_DLL herr_t H5O_msg_get_crt_index(unsigned type_id, const void *mesg, H5O_msg_crt_idx_t *crt_idx); H5_DLL herr_t H5O_msg_encode(H5F_t *f, unsigned type_id, hbool_t disable_shared, unsigned char *buf, const void *obj); H5_DLL void* H5O_msg_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, unsigned type_id, const unsigned char *buf); H5_DLL herr_t H5O_msg_delete(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, unsigned type_id, void *mesg); H5_DLL int H5O_msg_get_chunkno(const H5O_loc_t *loc, unsigned type_id, hid_t dxpl_id); H5_DLL herr_t H5O_msg_lock(const H5O_loc_t *loc, unsigned type_id, hid_t dxpl_id); H5_DLL herr_t H5O_msg_unlock(const H5O_loc_t *loc, unsigned type_id, hid_t dxpl_id); /* Object copying routines */ H5_DLL herr_t H5O_copy_header_map(const H5O_loc_t *oloc_src, H5O_loc_t *oloc_dst /*out */, hid_t dxpl_id, H5O_copy_t *cpy_info, hbool_t inc_depth, H5O_type_t *obj_type, void **udata); H5_DLL herr_t H5O_copy_expand_ref(H5F_t *file_src, void *_src_ref, hid_t dxpl_id, H5F_t *file_dst, void *_dst_ref, size_t ref_count, H5R_type_t ref_type, H5O_copy_t *cpy_info); /* Debugging routines */ H5_DLL herr_t H5O_debug_id(unsigned type_id, H5F_t *f, hid_t dxpl_id, const void *mesg, FILE *stream, int indent, int fwidth); H5_DLL herr_t H5O_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE * stream, int indent, int fwidth); /* These functions operate on object locations */ H5_DLL herr_t H5O_loc_reset(H5O_loc_t *loc); H5_DLL herr_t H5O_loc_copy(H5O_loc_t *dst, H5O_loc_t *src, H5_copy_depth_t depth); H5_DLL herr_t H5O_loc_hold_file(H5O_loc_t *loc); H5_DLL herr_t H5O_loc_free(H5O_loc_t *loc); /* EFL operators */ H5_DLL hsize_t H5O_efl_total_size(H5O_efl_t *efl); /* Fill value operators */ H5_DLL herr_t H5O_fill_reset_dyn(H5O_fill_t *fill); H5_DLL herr_t H5O_fill_convert(H5O_fill_t *fill, H5T_t *type, hbool_t *fill_changed, hid_t dxpl_id); H5_DLL herr_t H5O_fill_set_latest_version(H5O_fill_t *fill); /* Link operators */ H5_DLL herr_t H5O_link_delete(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, void *_mesg); /* Filter pipeline operators */ H5_DLL herr_t H5O_pline_set_latest_version(H5O_pline_t *pline); /* Shared message operators */ H5_DLL herr_t H5O_set_shared(H5O_shared_t *dst, const H5O_shared_t *src); #endif /* _H5Oprivate_H */