diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/H5Dint.c | 257 | ||||
| -rw-r--r-- | src/H5Dprivate.h | 1 | ||||
| -rw-r--r-- | src/H5F.c | 88 | ||||
| -rw-r--r-- | src/H5Fint.c | 24 | ||||
| -rw-r--r-- | src/H5Fpkg.h | 2 | ||||
| -rw-r--r-- | src/H5Fprivate.h | 6 | ||||
| -rw-r--r-- | src/H5Fpublic.h | 3 | ||||
| -rw-r--r-- | src/H5Fquery.c | 19 | ||||
| -rw-r--r-- | src/H5Oint.c | 267 | ||||
| -rw-r--r-- | src/H5Oprivate.h | 12 | ||||
| -rw-r--r-- | src/H5Pdcpl.c | 104 | ||||
| -rw-r--r-- | src/H5Ppublic.h | 2 | ||||
| -rw-r--r-- | src/H5VLnative.c | 1 | ||||
| -rw-r--r-- | src/H5VLnative.h | 2 | ||||
| -rw-r--r-- | src/H5VLnative_file.c | 19 | ||||
| -rw-r--r-- | src/H5VLpublic.h | 2 |
16 files changed, 723 insertions, 86 deletions
diff --git a/src/H5Dint.c b/src/H5Dint.c index 6bb3343..7eb1aaf 100644 --- a/src/H5Dint.c +++ b/src/H5Dint.c @@ -25,6 +25,7 @@ #include "H5CXprivate.h" /* API Contexts */ #include "H5Dpkg.h" /* Datasets */ #include "H5Eprivate.h" /* Error handling */ +#include "H5Fprivate.h" /* Files */ #include "H5FLprivate.h" /* Free Lists */ #include "H5FOprivate.h" /* File objects */ #include "H5Iprivate.h" /* IDs */ @@ -59,6 +60,9 @@ static herr_t H5D__init_storage(const H5D_io_info_t *io_info, hbool_t full_overw hsize_t old_dim[]); static herr_t H5D__append_flush_setup(H5D_t *dset, hid_t dapl_id); static herr_t H5D__close_cb(H5VL_object_t *dset_vol_obj); +static herr_t H5D__use_minimized_dset_headers(H5F_t *file, H5D_t *dset, hbool_t *minimize); +static herr_t H5D__prepare_minimized_oh(H5F_t *file, H5D_t *dset, H5O_loc_t *oloc); +static size_t H5D__calculate_minimum_header_size(H5F_t *file, H5D_t *dset, H5O_t *ohdr); /*********************/ @@ -658,6 +662,211 @@ done: /*------------------------------------------------------------------------- + * Function: H5D__use_minimized_dset_headers + * + * Purpose: Compartmentalize check for file- or dcpl-set values indicating + * to create a "minimized" dataset object header. + * Upon success, write resulting value to out pointer `minimize`. + * + * Return: Success: SUCCEED (0) (non-negative value) + * Failure: FAIL (-1) (negative value) + * + * Programmer: Jacob Smith + * 16 August 2018 + *------------------------------------------------------------------------- + */ +static herr_t +H5D__use_minimized_dset_headers(H5F_t *file, H5D_t *dset, hbool_t *minimize) +{ + H5P_genplist_t *plist = NULL; + herr_t ret_value = SUCCEED; + + FUNC_ENTER_NOAPI_NOINIT; + + HDassert(file); + HDassert(dset); + HDassert(minimize); + + plist = H5P_object_verify(dset->shared->dcpl_id, H5P_DATASET_CREATE); + if(NULL == plist) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "problem getting dcpl") + if(H5P_get(plist, H5D_CRT_MIN_DSET_HDR_SIZE_NAME, minimize) == FAIL) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get minimize value from dcpl") + + if(FALSE == *minimize) + *minimize = H5F_get_min_dset_ohdr(file); + +done: + if(FAIL == ret_value) + *minimize = FALSE; + FUNC_LEAVE_NOAPI(ret_value); +} /* H5D__use_minimized_dset_headers */ + + +/*------------------------------------------------------------------------- + * Function: H5D__calculate_minimium_header_size + * + * Purpose: Calculate the size required for the minimized object header. + * + * Return: Success: Positive value > 0 + * Failure: 0 + * + * Programmer: Jacob Smith + * 16 August 2018 + *------------------------------------------------------------------------- + */ +static size_t +H5D__calculate_minimum_header_size(H5F_t *file, H5D_t *dset, H5O_t *ohdr) +{ + H5T_t *type = NULL; + H5O_fill_t *fill_prop = NULL; + hbool_t use_at_least_v18 = FALSE; + const char continuation[1] = ""; /* requred for work-around */ + size_t get_value = 0; + size_t ret_value = 0; + + FUNC_ENTER_NOAPI_NOINIT; + + HDassert(file); + HDassert(dset); + HDassert(ohdr); + + type = dset->shared->type; + fill_prop = &(dset->shared->dcpl_cache.fill); + use_at_least_v18 = (H5F_LOW_BOUND(file) >= H5F_LIBVER_V18); + + /* Datatype message size */ + get_value = H5O_msg_size_oh(file, ohdr, H5O_DTYPE_ID, type, 0); + if (get_value == 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, 0, "Can't get size of datatype message") + ret_value += get_value; + + /* Shared Dataspace message size */ + get_value = H5O_msg_size_oh(file, ohdr, H5O_SDSPACE_ID, dset->shared->space, 0); + if (get_value == 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, 0, "can't get size of dataspace message") + ret_value += get_value; + + /* "Layout" message size */ + get_value = H5O_msg_size_oh(file, ohdr, H5O_LAYOUT_ID, &dset->shared->layout, 0); + if (get_value == 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, 0, "can't get size of layout message") + ret_value += get_value; + + /* Fill Value message size */ + get_value = H5O_msg_size_oh(file, ohdr, H5O_FILL_NEW_ID, fill_prop, 0); + if (get_value == 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, 0, "can't get size of fill value message") + ret_value += get_value; + + /* "Continuation" message size */ + /* message pointer "continuation" is unused by raw get function, however, + * a null pointer would be intercepted by an assert in H5O_msg_size_oh(). + */ + get_value = H5O_msg_size_oh(file, ohdr, H5O_CONT_ID, continuation, 0); + if (get_value == 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, 0, "can't get size of continuation message") + ret_value += get_value; + + /* Fill Value (backwards compatability) message size */ + if(fill_prop->buf && !use_at_least_v18) { + H5O_fill_t old_fill_prop; /* Copy for writing "old" fill value */ + + /* Shallow copy the fill value property */ + /* guards against shared component modification */ + HDmemcpy(&old_fill_prop, fill_prop, sizeof(old_fill_prop)); + + if (H5O_msg_reset_share(H5O_FILL_ID, &old_fill_prop) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, 0, "can't reset the copied fill property") + + get_value = H5O_msg_size_oh(file, ohdr, H5O_FILL_ID, &old_fill_prop, 0); + if (get_value == 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, 0, "can't get size of fill value (backwards compat) message") + ret_value += get_value; + } + + /* Filter/Pipeline message size */ + if(H5D_CHUNKED == dset->shared->layout.type) { + H5O_pline_t *pline = &dset->shared->dcpl_cache.pline; + if(pline->nused > 0) { + get_value = H5O_msg_size_oh(file, ohdr, H5O_PLINE_ID, pline, 0); + if (get_value == 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, 0, "can't get size of filter message") + ret_value += get_value; + } + } + + /* External File Link message size */ + if(dset->shared->dcpl_cache.efl.nused > 0) { + get_value = H5O_msg_size_oh(file, ohdr, H5O_EFL_ID, &dset->shared->dcpl_cache.efl, 0); + if (get_value == 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, 0, "can't get size of external file link message") + ret_value += get_value; + } + + /* Modification Time message size */ + if(H5O_HDR_STORE_TIMES & H5O_OH_GET_FLAGS(ohdr)) { + HDassert(H5O_OH_GET_VERSION(ohdr) >= 1); /* 1 :: H5O_VERSION_1 (H5Opkg.h) */ + + if(H5O_OH_GET_VERSION(ohdr) == 1) { + /* v1 object headers store modification time as a message */ + time_t mtime; + get_value = H5O_msg_size_oh(file, ohdr, H5O_MTIME_NEW_ID, &mtime, 0); + if (get_value == 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, 0, "can't get size of modification time message") + ret_value += get_value; + } + } + +done: + FUNC_LEAVE_NOAPI(ret_value); +} /* H5D__calculate_minimum_header_size */ + + +/*------------------------------------------------------------------------- + * Function: H5D__prepare_minimized_oh + * + * Purpose: Create an object header (H5O_t) allocated with the smallest + * possible size. + * + * Return: Success: SUCCEED (0) (non-negative value) + * Failure: FAIL (-1) (negative value) + * + * Programmer: Jacob Smith + * 16 August 2018 + *------------------------------------------------------------------------- + */ +static herr_t +H5D__prepare_minimized_oh(H5F_t *file, H5D_t *dset, H5O_loc_t *oloc) +{ + H5O_t *oh = NULL; + size_t ohdr_size = 0; + herr_t ret_value = SUCCEED; + + FUNC_ENTER_NOAPI_NOINIT; + + HDassert(file); + HDassert(dset); + HDassert(oloc); + + oh = H5O__create_ohdr(file, dset->shared->dcpl_id); + if(NULL == oh) + HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "can't instantiate object header") + + ohdr_size = H5D__calculate_minimum_header_size(file, dset, oh); + if (ohdr_size == 0) + HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "computed header size is invalid") + + /* Special allocation of space for compact datsets is handled by the call here. */ + if(H5O__apply_ohdr(file, oh, dset->shared->dcpl_id, ohdr_size, (size_t)1, oloc) == FAIL) + HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "can't apply object header to file") + +done: + FUNC_LEAVE_NOAPI(ret_value); +} /* H5D__prepare_minimized_oh */ + + +/*------------------------------------------------------------------------- * Function: H5D__update_oh_info * * Purpose: Create and fill object header for dataset @@ -669,17 +878,18 @@ done: static herr_t H5D__update_oh_info(H5F_t *file, H5D_t *dset, hid_t dapl_id) { - H5O_t *oh = NULL; /* Pointer to dataset's object header */ - size_t ohdr_size = H5D_MINHDR_SIZE; /* Size of dataset's object header */ - H5O_loc_t *oloc = NULL; /* Dataset's object location */ - H5O_layout_t *layout; /* Dataset's layout information */ - H5T_t *type; /* Dataset's datatype */ - H5O_fill_t *fill_prop; /* Pointer to dataset's fill value information */ - H5D_fill_value_t fill_status; /* Fill value status */ - hbool_t fill_changed = FALSE; /* Flag indicating the fill value was changed */ - hbool_t layout_init = FALSE; /* Flag to indicate that chunk information was initialized */ - hbool_t use_at_least_v18; /* Flag indicating to use at least v18 format versions */ - herr_t ret_value = SUCCEED; /* Return value */ + H5O_t *oh = NULL; /* Pointer to dataset's object header */ + size_t ohdr_size = H5D_MINHDR_SIZE; /* Size of dataset's object header */ + H5O_loc_t *oloc = NULL; /* Dataset's object location */ + H5O_layout_t *layout; /* Dataset's layout information */ + H5T_t *type; /* Dataset's datatype */ + H5O_fill_t *fill_prop; /* Pointer to dataset's fill value information */ + H5D_fill_value_t fill_status; /* Fill value status */ + hbool_t fill_changed = FALSE; /* Flag indicating the fill value was changed */ + hbool_t layout_init = FALSE; /* Flag to indicate that chunk information was initialized */ + hbool_t use_at_least_v18; /* Flag indicating to use at least v18 format versions */ + hbool_t minimize_header = FALSE; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC @@ -747,13 +957,24 @@ H5D__update_oh_info(H5F_t *file, H5D_t *dset, hid_t dapl_id) HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set fill value info") } /* end if */ - /* Add the dataset's raw data size to the size of the header, if the raw data will be stored as compact */ - if(layout->type == H5D_COMPACT) - ohdr_size += layout->storage.u.compact.size; + if(H5D__use_minimized_dset_headers(file, dset, &minimize_header) == FAIL) + HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get minimize settings") + + if(TRUE == minimize_header) { + if(H5D__prepare_minimized_oh(file, dset, oloc) == FAIL) + HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "can't create minimized dataset object header") + } else { + /* Add the dataset's raw data size to the size of the header, if the + * raw data will be stored as compact + */ + if(H5D_COMPACT == layout->type) + ohdr_size += layout->storage.u.compact.size; + + /* Create an object header for the dataset */ + if(H5O_create(file, ohdr_size, (size_t)1, dset->shared->dcpl_id, oloc/*out*/) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to create dataset object header") + } /* If use minimum/standard object header space */ - /* Create an object header for the dataset */ - if(H5O_create(file, ohdr_size, (size_t)1, dset->shared->dcpl_id, oloc/*out*/) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to create dataset object header") HDassert(file == dset->oloc.file); /* Pin the object header */ @@ -910,7 +1131,7 @@ H5D__build_file_prefix(const H5D_t *dset, hid_t dapl_id, const char *prefix_type HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") } /* end if */ else { - if (HDstrncmp(prefix, "${ORIGIN}", HDstrlen("${ORIGIN}")) == 0) { + if(HDstrncmp(prefix, "${ORIGIN}", HDstrlen("${ORIGIN}")) == 0) { /* Replace ${ORIGIN} at beginning of prefix by directory of HDF5 file */ filepath_len = HDstrlen(filepath); prefix_len = HDstrlen(prefix); diff --git a/src/H5Dprivate.h b/src/H5Dprivate.h index 4e9cda8..aaa3db2 100644 --- a/src/H5Dprivate.h +++ b/src/H5Dprivate.h @@ -45,6 +45,7 @@ #define H5D_CRT_FILL_VALUE_NAME "fill_value" /* Fill value */ #define H5D_CRT_ALLOC_TIME_STATE_NAME "alloc_time_state" /* Space allocation time state */ #define H5D_CRT_EXT_FILE_LIST_NAME "efl" /* External file list */ +#define H5D_CRT_MIN_DSET_HDR_SIZE_NAME "dset_oh_minimize"/* Minimize object header */ /* ======== Dataset access property names ======== */ #define H5D_ACS_DATA_CACHE_NUM_SLOTS_NAME "rdcc_nslots" /* Size of raw data chunk cache(slots) */ @@ -1335,7 +1335,7 @@ H5Fget_metadata_read_retry_info(hid_t file_id, H5F_retry_info_t *info) H5TRACE2("e", "i*x", file_id, info); /* Check args */ - if (!info) + if(!info) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no info struct") /* Get the file pointer */ @@ -1822,3 +1822,89 @@ done: FUNC_LEAVE_API(ret_value) } /* H5Fincrement_filesize() */ + +/*------------------------------------------------------------------------- + * Function: H5Fget_dset_no_attrs_hint + * + * Purpose: + * + * Get the file-level setting to create minimized dataset object headers. + * Result is stored at pointer `minimize`. + * + * Return: + * + * Success: SUCCEED (0) (non-negative value) + * Failure: FAIL (-1) (negative value) + * + * Programmer: + * + * Jacob Smith + * 15 August 2018 + * + * Changes: None. + *------------------------------------------------------------------------- + */ +herr_t +H5Fget_dset_no_attrs_hint(hid_t file_id, hbool_t *minimize) +{ + H5VL_object_t *vol_obj = NULL; + herr_t ret_value = SUCCEED; + + FUNC_ENTER_API(FAIL) + H5TRACE2("e", "i*b", file_id, minimize); + + if(NULL == minimize) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "out pointer 'minimize' cannot be NULL") + + vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE); + if(NULL == vol_obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") + + if(H5VL_file_optional(vol_obj, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, H5VL_NATIVE_FILE_GET_MIN_DSET_OHDR_FLAG, minimize) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set file's dataset header minimization flag") + +done: + FUNC_LEAVE_API(ret_value) +} /* H5Fget_dset_no_attrs_hint */ + + +/*------------------------------------------------------------------------- + * Function: H5Fset_dset_no_attrs_hint + * + * Purpose: + * + * Set the file-level setting to create minimized dataset object headers. + * + * Return: + * + * Success: SUCCEED (0) (non-negative value) + * Failure: FAIL (-1) (negative value) + * + * Programmer: + * + * Jacob Smith + * 15 August 2018 + * + * Changes: None. + *------------------------------------------------------------------------- + */ +herr_t +H5Fset_dset_no_attrs_hint(hid_t file_id, hbool_t minimize) +{ + H5VL_object_t *vol_obj = NULL; + herr_t ret_value = SUCCEED; + + FUNC_ENTER_API(FAIL) + H5TRACE2("e", "ib", file_id, minimize); + + vol_obj = (H5VL_object_t *)H5I_object_verify(file_id, H5I_FILE); + if(NULL == vol_obj) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") + + if(H5VL_file_optional(vol_obj, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, H5VL_NATIVE_FILE_SET_MIN_DSET_OHDR_FLAG, minimize) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set file's dataset header minimization flag") + +done: + FUNC_LEAVE_API(ret_value) +} /* H5Fset_dset_no_attrs_hint */ + diff --git a/src/H5Fint.c b/src/H5Fint.c index 8de1769..cca46d0 100644 --- a/src/H5Fint.c +++ b/src/H5Fint.c @@ -3715,3 +3715,27 @@ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5F_get_file_id() */ + +/*------------------------------------------------------------------------- + * Function: H5F_set_min_dset_ohdr + * + * Purpose: Set the crt_dset_ohdr_flag field with a new value. + * + * Return: SUCCEED/FAIL + *------------------------------------------------------------------------- + */ +herr_t +H5F_set_min_dset_ohdr(H5F_t *f, hbool_t minimize) +{ + /* Use FUNC_ENTER_NOAPI_NOINIT_NOERR here to avoid performance issues */ + FUNC_ENTER_NOAPI_NOINIT_NOERR + + /* Sanity check */ + HDassert(f); + HDassert(f->shared); + + f->shared->crt_dset_min_ohdr_flag = minimize; + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* H5F_set_min_dset_ohdr() */ + diff --git a/src/H5Fpkg.h b/src/H5Fpkg.h index 4ad2c55..335d0a7 100644 --- a/src/H5Fpkg.h +++ b/src/H5Fpkg.h @@ -358,6 +358,7 @@ struct H5F_file_t { /* Object flush info */ H5F_object_flush_t object_flush; /* Information for object flush callback */ + hbool_t crt_dset_min_ohdr_flag; /* flag to minimize created dataset object header */ }; /* @@ -382,7 +383,6 @@ struct H5F_t { #endif /* H5_HAVE_PARALLEL */ }; - /*****************************/ /* Package Private Variables */ /*****************************/ diff --git a/src/H5Fprivate.h b/src/H5Fprivate.h index 85f0d15..5f7a1b2 100644 --- a/src/H5Fprivate.h +++ b/src/H5Fprivate.h @@ -331,6 +331,8 @@ typedef struct H5F_t H5F_t; #define H5F_POINT_OF_NO_RETURN(F) ((F)->shared->fs.point_of_no_return) #define H5F_FIRST_ALLOC_DEALLOC(F) ((F)->shared->first_alloc_dealloc) #define H5F_EOA_PRE_FSM_FSALLOC(F) ((F)->shared->eoa_pre_fsm_fsalloc) +#define H5F_GET_MIN_DSET_OHDR(F) ((F)->shared->crt_dset_min_ohdr_flag) +#define H5F_SET_MIN_DSET_OHDR(F, V) ((F)->shared->crt_dset_min_ohdr_flag = (V)) #else /* H5F_MODULE */ #define H5F_LOW_BOUND(F) (H5F_get_low_bound(F)) #define H5F_HIGH_BOUND(F) (H5F_get_high_bound(F)) @@ -388,6 +390,8 @@ typedef struct H5F_t H5F_t; #define H5F_POINT_OF_NO_RETURN(F) (H5F_get_point_of_no_return(F)) #define H5F_FIRST_ALLOC_DEALLOC(F) (H5F_get_first_alloc_dealloc(F)) #define H5F_EOA_PRE_FSM_FSALLOC(F) (H5F_get_eoa_pre_fsm_fsalloc(F)) +#define H5F_GET_MIN_DSET_OHDR(F) (H5F_get_min_dset_ohdr(F)) +#define H5F_SET_MIN_DSET_OHDR(F, V) (H5F_set_min_dset_ohdr((F), (V))) #endif /* H5F_MODULE */ @@ -740,6 +744,8 @@ H5_DLL hsize_t H5F_get_pgend_meta_thres(const H5F_t *f); H5_DLL hbool_t H5F_get_point_of_no_return(const H5F_t *f); H5_DLL hbool_t H5F_get_first_alloc_dealloc(const H5F_t *f); H5_DLL haddr_t H5F_get_eoa_pre_fsm_fsalloc(const H5F_t *f); +H5_DLL hbool_t H5F_get_min_dset_ohdr(const H5F_t *f); +H5_DLL herr_t H5F_set_min_dset_ohdr(H5F_t *f, hbool_t minimize); /* Functions than retrieve values set/cached from the superblock/FCPL */ H5_DLL haddr_t H5F_get_base_addr(const H5F_t *f); diff --git a/src/H5Fpublic.h b/src/H5Fpublic.h index e1b6dc3..c4bf0b4 100644 --- a/src/H5Fpublic.h +++ b/src/H5Fpublic.h @@ -217,7 +217,6 @@ typedef struct H5F_retry_info_t { /* Callback for H5Pset_object_flush_cb() in a file access property list */ typedef herr_t (*H5F_flush_cb_t)(hid_t object_id, void *udata); - /*********************/ /* Public Prototypes */ /*********************/ @@ -275,6 +274,8 @@ H5_DLL herr_t H5Freset_page_buffering_stats(hid_t file_id); H5_DLL herr_t H5Fget_page_buffering_stats(hid_t file_id, unsigned accesses[2], unsigned hits[2], unsigned misses[2], unsigned evictions[2], unsigned bypasses[2]); H5_DLL herr_t H5Fget_mdc_image_info(hid_t file_id, haddr_t *image_addr, hsize_t *image_size); +H5_DLL herr_t H5Fget_dset_no_attrs_hint(hid_t file_id, hbool_t *minimize); +H5_DLL herr_t H5Fset_dset_no_attrs_hint(hid_t file_id, hbool_t minimize); #ifdef H5_HAVE_PARALLEL H5_DLL herr_t H5Fset_mpi_atomicity(hid_t file_id, hbool_t flag); diff --git a/src/H5Fquery.c b/src/H5Fquery.c index 3147e95..103ad3b 100644 --- a/src/H5Fquery.c +++ b/src/H5Fquery.c @@ -514,6 +514,25 @@ H5F_sym_leaf_k(const H5F_t *f) /*------------------------------------------------------------------------- + * Function: H5F_get_min_dset_ohdr + * + * Purpose: Get the setting flag for minimized dataset object headers + * + * Return: TRUE/FALSE as set in file + *------------------------------------------------------------------------- + */ +hbool_t +H5F_get_min_dset_ohdr(const H5F_t *f) +{ + FUNC_ENTER_NOAPI_NOINIT_NOERR + + HDassert(f); + + FUNC_LEAVE_NOAPI(f->shared->crt_dset_min_ohdr_flag) +} /* end H5F_get_min_dset_ohdr */ + + +/*------------------------------------------------------------------------- * Function: H5F_Kvalue * * Purpose: Replaced a macro to retrieve a B-tree key value for a certain diff --git a/src/H5Oint.c b/src/H5Oint.c index a97a2fd..2503eb7 100644 --- a/src/H5Oint.c +++ b/src/H5Oint.c @@ -83,7 +83,6 @@ static herr_t H5O__visit_cb(hid_t group, const char *name, const H5L_info_t *lin void *_udata); static const H5O_obj_class_t *H5O__obj_class_real(const H5O_t *oh); - /*********************/ /* Package Variables */ /*********************/ @@ -277,99 +276,183 @@ done: * matzke@llnl.gov * Aug 5 1997 * + * Changes: 2018 August 17 + * Jacob Smith + * Refactor out the operations into two separate steps -- + * preparation and application -- to facilitate overriding the + * library-default size allocated for the object header. This + * function is retained as a wrapper, to minimize changes to + * unaffected calling functions. + * *------------------------------------------------------------------------- */ herr_t -H5O_create(H5F_t *f, size_t size_hint, size_t initial_rc, hid_t ocpl_id, - H5O_loc_t *loc/*out*/) +H5O_create(H5F_t *f, size_t size_hint, size_t initial_rc, hid_t ocpl_id, H5O_loc_t *loc /*out*/) { - H5P_genplist_t *oc_plist; /* Object creation property list */ - H5O_t *oh = NULL; /* Object header created */ - haddr_t oh_addr; /* Address of initial object header */ - size_t oh_size; /* Size of initial object header */ - uint8_t oh_flags; /* Object header's initial status flags */ - unsigned insert_flags = H5AC__NO_FLAGS_SET; /* Flags for inserting object header into cache */ - hbool_t store_msg_crt_idx; /* Whether to always store message creation indices for this file */ - herr_t ret_value = SUCCEED; /* return value */ + H5O_t *oh = NULL; + herr_t ret_value = SUCCEED; FUNC_ENTER_NOAPI(FAIL) - /* check args */ HDassert(f); HDassert(loc); HDassert(TRUE == H5P_isa_class(ocpl_id, H5P_OBJECT_CREATE)); + /* create object header in freelist + * header version is set internally + */ + oh = H5O__create_ohdr(f, ocpl_id); + if(NULL == oh) + HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "Can't instantiate object header") + + /* apply object header information to file + */ + if(H5O__apply_ohdr(f, oh, ocpl_id, size_hint, initial_rc, loc) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "Can't apply object header to file") + +done: + if((FAIL == ret_value) && (NULL != oh) && (H5O__free(oh) < 0)) + HDONE_ERROR(H5E_OHDR, H5E_CANTFREE, FAIL, "can't delete object header") + + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5O_create() */ + + +/*----------------------------------------------------------------------------- + * Function: H5O__create_ohdr + * + * Purpose: Create the object header, set version and flags. + * + * Return: Success: Pointer to the newly-crated header object. + * Failure: NULL + * + * Programmer: Jacob Smith + * 2018 August 17 + * + *----------------------------------------------------------------------------- + */ +H5O_t * +H5O__create_ohdr(H5F_t *f, hid_t ocpl_id) +{ + H5P_genplist_t *oc_plist; + H5O_t *oh = NULL; /* Object header in Freelist */ + uint8_t oh_flags; /* Initial status flags */ + H5O_t *ret_value = NULL; + + FUNC_ENTER_NOAPI(NULL) + + HDassert(f); + HDassert(TRUE == H5P_isa_class(ocpl_id, H5P_OBJECT_CREATE)); + /* Check for invalid access request */ if(0 == (H5F_INTENT(f) & H5F_ACC_RDWR)) - HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, FAIL, "no write intent on file") + HGOTO_ERROR(H5E_OHDR, H5E_BADVALUE, NULL, "no write intent on file") - /* Make certain we allocate at least a reasonable size for the object header */ - size_hint = H5O_ALIGN_F(f, MAX(H5O_MIN_SIZE, size_hint)); + oh = H5FL_CALLOC(H5O_t); + if(NULL == oh) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed") - /* Get the property list */ - if(NULL == (oc_plist = (H5P_genplist_t *)H5I_object(ocpl_id))) - HGOTO_ERROR(H5E_PLIST, H5E_BADTYPE, FAIL, "not a property list") + oc_plist = (H5P_genplist_t *)H5I_object(ocpl_id); + if(NULL == oc_plist) + HGOTO_ERROR(H5E_PLIST, H5E_BADTYPE, NULL, "not a property list") /* Get any object header status flags set by properties */ if(H5P_get(oc_plist, H5O_CRT_OHDR_FLAGS_NAME, &oh_flags) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get object header flags") + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get object header flags") - /* Allocate the object header and zero out header fields */ - if(NULL == (oh = H5FL_CALLOC(H5O_t))) - HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") + if(H5O_set_version(f, oh, oh_flags, H5F_STORE_MSG_CRT_IDX(f)) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTSET, NULL, "can't set version of object header") + + oh->flags = oh_flags; + + ret_value = oh; + +done: + if((NULL == ret_value) && (NULL != oh) && (H5O__free(oh) < 0)) + HDONE_ERROR(H5E_OHDR, H5E_CANTFREE, NULL, "can't delete object header") + + FUNC_LEAVE_NOAPI(ret_value) +} /* H5O__create_ohdr() */ - /* Initialize file-specific information for object header */ - store_msg_crt_idx = H5F_STORE_MSG_CRT_IDX(f); + +/*----------------------------------------------------------------------------- + * Function: H5O__apply_ohdr + * + * Purpose: Initialize and set the object header in the file. + * Record some information at `loc_out`. + * + * Return: Success: SUCCEED (0) (non-negative value) + * Failure: FAIL (-1) (negative value) + * + * Programmer: Jacob Smith + * 2018 August 17 + * + *----------------------------------------------------------------------------- + */ +herr_t +H5O__apply_ohdr(H5F_t *f, H5O_t *oh, hid_t ocpl_id, size_t size_hint, size_t initial_rc, H5O_loc_t *loc_out) +{ + haddr_t oh_addr; + size_t oh_size; + H5P_genplist_t *oc_plist = NULL; + unsigned insert_flags = H5AC__NO_FLAGS_SET; + herr_t ret_value = SUCCEED; - if(H5O_set_version(f, oh, oh_flags, store_msg_crt_idx) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTSET, FAIL, "can't set version of objecdt header") + FUNC_ENTER_NOAPI(FAIL) + + HDassert(f); + HDassert(loc_out); + HDassert(oh); + HDassert(TRUE == H5P_isa_class(ocpl_id, H5P_OBJECT_CREATE)); + + /* Allocate at least a reasonable size for the object header */ + size_hint = H5O_ALIGN_F(f, MAX(H5O_MIN_SIZE, size_hint)); oh->sizeof_size = H5F_SIZEOF_SIZE(f); oh->sizeof_addr = H5F_SIZEOF_ADDR(f); - oh->swmr_write = !!(H5F_INTENT(f) & H5F_ACC_SWMR_WRITE); + oh->swmr_write = !!(H5F_INTENT(f) & H5F_ACC_SWMR_WRITE); /* funky cast */ + #ifdef H5O_ENABLE_BAD_MESG_COUNT /* Check whether the "bad message count" property is set */ - if(H5P_exist_plist(oc_plist, H5O_BAD_MESG_COUNT_NAME) > 0) { - /* Retrieve bad message count flag */ + if(0 < H5P_exist_plist(oc_plist, H5O_BAD_MESG_COUNT_NAME)) + /* Get bad message count flag -- from property list */ if(H5P_get(oc_plist, H5O_BAD_MESG_COUNT_NAME, &oh->store_bad_mesg_count) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't get bad message count flag") - } #endif /* H5O_ENABLE_BAD_MESG_COUNT */ /* Create object header proxy if doing SWMR writes */ if(oh->swmr_write) { - /* Create virtual entry, for use as proxy */ - if(NULL == (oh->proxy = H5AC_proxy_entry_create())) + oh->proxy = H5AC_proxy_entry_create(); + if(NULL == oh->proxy) HGOTO_ERROR(H5E_OHDR, H5E_CANTCREATE, FAIL, "can't create object header proxy") - } - else + } else { oh->proxy = NULL; + } - /* Set initial status flags */ - oh->flags = oh_flags; + oc_plist = (H5P_genplist_t *)H5I_object(ocpl_id); + if(NULL == oc_plist) + HGOTO_ERROR(H5E_PLIST, H5E_BADTYPE, FAIL, "not a property list") /* Initialize version-specific fields */ if(oh->version > H5O_VERSION_1) { - /* Initialize all time fields with current time, if we are storing them */ + /* Initialize all time fields */ if(oh->flags & H5O_HDR_STORE_TIMES) oh->atime = oh->mtime = oh->ctime = oh->btime = H5_now(); else oh->atime = oh->mtime = oh->ctime = oh->btime = 0; - /* Make certain attribute creation order tracking is enabled if - * attributes can be shared in this file. - */ - if(store_msg_crt_idx) + if(H5F_STORE_MSG_CRT_IDX(f)) + /* flag to record message creation indices */ oh->flags |= H5O_HDR_ATTR_CRT_ORDER_TRACKED; - /* Retrieve attribute storage phase change values from property list */ + /* Get attribute storage phase change values -- from property list */ if(H5P_get(oc_plist, H5O_CRT_ATTR_MAX_COMPACT_NAME, &oh->max_compact) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get max. # of compact attributes") if(H5P_get(oc_plist, H5O_CRT_ATTR_MIN_DENSE_NAME, &oh->min_dense) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get min. # of dense attributes") /* Check for non-default attribute storage phase change values */ - if(oh->max_compact != H5O_CRT_ATTR_MAX_COMPACT_DEF || oh->min_dense != H5O_CRT_ATTR_MIN_DENSE_DEF) + if(H5O_CRT_ATTR_MAX_COMPACT_DEF != oh->max_compact || H5O_CRT_ATTR_MIN_DENSE_DEF != oh->min_dense ) oh->flags |= H5O_HDR_ATTR_STORE_PHASE_CHANGE; /* Determine correct value for chunk #0 size bits */ @@ -383,23 +466,25 @@ H5O_create(H5F_t *f, size_t size_hint, size_t initial_rc, hid_t ocpl_id, oh->flags |= H5O_HDR_CHUNK0_4; else if(size_hint > 255) oh->flags |= H5O_HDR_CHUNK0_2; - } /* end if */ - else { + } else { /* Reset unused time fields */ oh->atime = oh->mtime = oh->ctime = oh->btime = 0; - } /* end else */ + } /* end if/else header version >1 */ /* Compute total size of initial object header */ /* (i.e. object header prefix and first chunk) */ oh_size = (size_t)H5O_SIZEOF_HDR(oh) + size_hint; /* Allocate disk space for header and first chunk */ - if(HADDR_UNDEF == (oh_addr = H5MF_alloc(f, H5FD_MEM_OHDR, (hsize_t)oh_size))) + oh_addr = H5MF_alloc(f, H5FD_MEM_OHDR, (hsize_t)oh_size); + if(HADDR_UNDEF == oh_addr) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "file allocation failed for object header") /* Create the chunk list */ - oh->nchunks = oh->alloc_nchunks = 1; - if(NULL == (oh->chunk = H5FL_SEQ_MALLOC(H5O_chunk_t, (size_t)oh->alloc_nchunks))) + oh->nchunks = 1; + oh->alloc_nchunks = 1; + oh->chunk = H5FL_SEQ_MALLOC(H5O_chunk_t, (size_t)oh->alloc_nchunks); + if(NULL == oh->chunk) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") /* Initialize the first chunk */ @@ -409,25 +494,27 @@ H5O_create(H5F_t *f, size_t size_hint, size_t initial_rc, hid_t ocpl_id, /* Allocate enough space for the first chunk */ /* (including space for serializing the object header prefix */ - if(NULL == (oh->chunk[0].image = H5FL_BLK_CALLOC(chunk_image, oh_size))) + oh->chunk[0].image = H5FL_BLK_CALLOC(chunk_image, oh_size); + if(NULL == oh->chunk[0].image) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") oh->chunk[0].chunk_proxy = NULL; /* Put magic # for object header in first chunk */ - if(oh->version > H5O_VERSION_1) + if(H5O_VERSION_1 < oh->version) HDmemcpy(oh->chunk[0].image, H5O_HDR_MAGIC, (size_t)H5_SIZEOF_MAGIC); /* Create the message list */ oh->nmesgs = 1; oh->alloc_nmesgs = H5O_NMESGS; - if(NULL == (oh->mesg = H5FL_SEQ_CALLOC(H5O_mesg_t, oh->alloc_nmesgs))) + oh->mesg = H5FL_SEQ_CALLOC(H5O_mesg_t, oh->alloc_nmesgs); + if(NULL == oh->mesg) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") - /* Initialize the initial "null" message, covering the entire first chunk */ + /* Initialize the initial "null" message; covers the entire first chunk */ oh->mesg[0].type = H5O_MSG_NULL; oh->mesg[0].dirty = TRUE; oh->mesg[0].native = NULL; - oh->mesg[0].raw = oh->chunk[0].image + (H5O_SIZEOF_HDR(oh) - H5O_SIZEOF_CHKSUM_OH(oh)) + H5O_SIZEOF_MSGHDR_OH(oh); + oh->mesg[0].raw = oh->chunk[0].image + H5O_SIZEOF_HDR(oh) - H5O_SIZEOF_CHKSUM_OH(oh) + H5O_SIZEOF_MSGHDR_OH(oh); oh->mesg[0].raw_size = size_hint - (size_t)H5O_SIZEOF_MSGHDR_OH(oh); oh->mesg[0].chunkno = 0; @@ -452,20 +539,15 @@ H5O_create(H5F_t *f, size_t size_hint, size_t initial_rc, hid_t ocpl_id, H5_END_TAG /* Set up object location */ - loc->file = f; - loc->addr = oh_addr; + loc_out->file = f; + loc_out->addr = oh_addr; - /* Open it */ - if(H5O_open(loc) < 0) + if(H5O_open(loc_out) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, FAIL, "unable to open object header") done: - if(ret_value < 0 && oh) - if(H5O__free(oh) < 0) - HDONE_ERROR(H5E_OHDR, H5E_CANTFREE, FAIL, "unable to destroy object header data") - - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5O_create() */ + FUNC_LEAVE_NOAPI(ret_value); +} /* H5O__apply_ohdr() */ /*------------------------------------------------------------------------- @@ -2420,6 +2502,63 @@ H5O_get_oh_addr(const H5O_t *oh) /*------------------------------------------------------------------------- + * Function: H5O_get_oh_flags + * + * Programmer: Jacob Smith + * 2018 August 17 + * + *------------------------------------------------------------------------- + */ +uint8_t +H5O_get_oh_flags(const H5O_t *oh) +{ + FUNC_ENTER_NOAPI_NOINIT_NOERR + HDassert(oh); + FUNC_LEAVE_NOAPI(oh->flags); /* flags can be 0 */ +} /* H5O_get_oh_flags() */ + + +/*------------------------------------------------------------------------- + * Function: H5O_get_oh_mtime + * + * Purpose: Retrieve an object's modification time. Assumes that the + * caller has verified that accessing this variable is appropriate + * to the header in question. + * + * Programmer: Jacob Smith + * 2018 August 17 + * + *------------------------------------------------------------------------- + */ +time_t +H5O_get_oh_mtime(const H5O_t *oh) +{ + FUNC_ENTER_NOAPI_NOINIT_NOERR + HDassert(oh); + HDassert(oh->mtime); + FUNC_LEAVE_NOAPI(oh->mtime); +} /* H5O_get_oh_mtime() */ + + +/*------------------------------------------------------------------------- + * Function: H5O_get_oh_version + * + * Programmer: Jacob Smith + * 2018 August 17 + * + *------------------------------------------------------------------------- + */ +uint8_t +H5O_get_oh_version(const H5O_t *oh) +{ + FUNC_ENTER_NOAPI_NOINIT_NOERR + HDassert(oh); + HDassert(oh->version); + FUNC_LEAVE_NOAPI(oh->version); +} /* H5O_get_oh_version() */ + + +/*------------------------------------------------------------------------- * Function: H5O_get_rc_and_type * * Purpose: Retrieve an object's reference count and type diff --git a/src/H5Oprivate.h b/src/H5Oprivate.h index 7ed9e26..e0926e2 100644 --- a/src/H5Oprivate.h +++ b/src/H5Oprivate.h @@ -121,8 +121,14 @@ typedef struct H5O_mesg_t H5O_mesg_t; /* If the module using this macro is allowed access to the private variables, access them directly */ #ifdef H5O_MODULE #define H5O_OH_GET_ADDR(O) ((O)->chunk[0].addr) +#define H5O_OH_GET_VERSION(O) ((O)->version) +#define H5O_OH_GET_FLAGS(O) ((O)->flags) +#define H5O_OH_GET_MTIME(O) ((O)->mtime) #else /* H5O_MODULE */ #define H5O_OH_GET_ADDR(O) (H5O_get_oh_addr(O)) +#define H5O_OH_GET_VERSION(O) (H5O_get_oh_version(O)) +#define H5O_OH_GET_FLAGS(O) (H5O_get_oh_flags(O)) +#define H5O_OH_GET_MTIME(O) (H5O_get_oh_mtime(O)) #endif /* H5O_MODULE */ /* Set the fields in a shared message structure */ @@ -865,6 +871,9 @@ struct H5P_genplist_t; H5_DLL herr_t H5O_init(void); H5_DLL herr_t H5O_create(H5F_t *f, size_t size_hint, size_t initial_rc, hid_t ocpl_id, H5O_loc_t *loc/*out*/); +H5_DLL H5O_t *H5O__create_ohdr(H5F_t *f, hid_t ocpl_id); +H5_DLL herr_t H5O__apply_ohdr(H5F_t *f, H5O_t *oh, hid_t ocpl_id, + size_t size_hint, size_t initial_rc, H5O_loc_t *loc_out); H5_DLL herr_t H5O_open(H5O_loc_t *loc); H5_DLL void *H5O_open_by_idx(const H5G_loc_t *loc, const char *name, H5_index_t idx_type, H5_iter_order_t order, hsize_t n, H5I_type_t *opened_type/*out*/); @@ -891,6 +900,9 @@ H5_DLL void *H5O_open_name(const H5G_loc_t *loc, const char *name, H5I_type_t *o H5_DLL herr_t H5O_get_nlinks(const H5O_loc_t *loc, 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); H5_DLL haddr_t H5O_get_oh_addr(const H5O_t *oh); +H5_DLL uint8_t H5O_get_oh_flags(const H5O_t *oh); +H5_DLL time_t H5O_get_oh_mtime(const H5O_t *oh); +H5_DLL uint8_t H5O_get_oh_version(const H5O_t *oh); H5_DLL herr_t H5O_get_rc_and_type(const H5O_loc_t *oloc, unsigned *rc, H5O_type_t *otype); H5_DLL H5AC_proxy_entry_t *H5O_get_proxy(const H5O_t *oh); diff --git a/src/H5Pdcpl.c b/src/H5Pdcpl.c index a5a16bb..8762eff 100644 --- a/src/H5Pdcpl.c +++ b/src/H5Pdcpl.c @@ -117,6 +117,11 @@ #define H5D_CRT_EXT_FILE_LIST_COPY H5P__dcrt_ext_file_list_copy #define H5D_CRT_EXT_FILE_LIST_CMP H5P__dcrt_ext_file_list_cmp #define H5D_CRT_EXT_FILE_LIST_CLOSE H5P__dcrt_ext_file_list_close +/* Definitions for dataset object header minimization */ +#define H5D_CRT_MIN_DSET_HDR_SIZE_SIZE sizeof(hbool_t) +#define H5D_CRT_MIN_DSET_HDR_SIZE_DEF FALSE +#define H5D_CRT_MIN_DSET_HDR_SIZE_ENC H5P__encode_hbool_t +#define H5D_CRT_MIN_DSET_HDR_SIZE_DEC H5P__decode_hbool_t /******************/ @@ -209,6 +214,7 @@ static const H5O_layout_t H5D_def_layout_g = H5D_CRT_LAYOUT_DEF; /* Defau static const H5O_fill_t H5D_def_fill_g = H5D_CRT_FILL_VALUE_DEF; /* Default fill value */ static const unsigned H5D_def_alloc_time_state_g = H5D_CRT_ALLOC_TIME_STATE_DEF; /* Default allocation time state */ static const H5O_efl_t H5D_def_efl_g = H5D_CRT_EXT_FILE_LIST_DEF; /* Default external file list */ +static const H5O_ohdr_min_g = H5D_CRT_MIN_DSET_HDR_SIZE_DEF; /* Default object header minimization */ /* Defaults for each type of layout */ #ifdef H5_HAVE_C99_DESIGNATED_INITIALIZER @@ -271,6 +277,12 @@ H5P__dcrt_reg_prop(H5P_genclass_t *pclass) H5D_CRT_EXT_FILE_LIST_DEL, H5D_CRT_EXT_FILE_LIST_COPY, H5D_CRT_EXT_FILE_LIST_CMP, H5D_CRT_EXT_FILE_LIST_CLOSE) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class") + /* Register the object header minimization property */ + if(H5P__register_real(pclass, H5D_CRT_MIN_DSET_HDR_SIZE_NAME, H5D_CRT_MIN_DSET_HDR_SIZE_SIZE, &H5O_ohdr_min_g, + NULL, NULL, NULL, H5D_CRT_MIN_DSET_HDR_SIZE_ENC, H5D_CRT_MIN_DSET_HDR_SIZE_DEC, + NULL, NULL, NULL, NULL) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class") + /* Register the type ID property*/ if(H5P__register_real(pclass, H5VL_PROP_DSET_TYPE_ID, sizeof(hid_t), &type_id, NULL, NULL, NULL, NULL, NULL, NULL, NULL, H5P_ignore_cmp, NULL) < 0) @@ -3749,3 +3761,95 @@ done: FUNC_LEAVE_API(ret_value) } /* end H5Pget_fill_time() */ + +/*----------------------------------------------------------------------------- + * Function: H5Pget_dset_no_attrs_hint + * + * Purpose: + * + * Access the flag for whether or not datasets created by the given dcpl + * will be created with a "minimized" object header. + * + * Return: + * + * Failure: Negative value (FAIL) + * Success: Non-negative value (SUCCEED) + * + * Programmer: Jacob Smith + * 2018 August 14 + * + * Modifications: None. + * + *----------------------------------------------------------------------------- + */ +herr_t +H5Pget_dset_no_attrs_hint(hid_t dcpl_id, hbool_t *minimize) +{ + hbool_t setting = FALSE; + H5P_genplist_t *plist = NULL; + herr_t ret_value = SUCCEED; + + FUNC_ENTER_API(FAIL) + H5TRACE2("e", "i*b", dcpl_id, minimize); + + if(NULL == minimize) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "receiving pointer cannot be NULL") + + plist = H5P_object_verify(dcpl_id, H5P_DATASET_CREATE); + if(NULL == plist) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID") + + if(H5P_peek(plist, H5D_CRT_MIN_DSET_HDR_SIZE_NAME, &setting) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get dset oh minimize flag value") + + *minimize = setting; + +done: + FUNC_LEAVE_API(ret_value) +} /* H5Pget_dset_no_attrs_hint() */ + + +/*----------------------------------------------------------------------------- + * Function: H5Pset_dset_no_attrs_hint + * + * Purpose: + * + * Set the dcpl to minimize (or explicitly to not minimized) dataset object + * headers upon creation. + * + * Return: + * + * Failure: Negative value (FAIL) + * Success: Non-negative value (SUCCEED) + * + * Programmer: Jacob Smith + * 2018 August 14 + * + * Modifications: None. + * + *----------------------------------------------------------------------------- + */ +herr_t +H5Pset_dset_no_attrs_hint(hid_t dcpl_id, hbool_t minimize) +{ + H5P_genplist_t *plist = NULL; + hbool_t prev_set = FALSE; + herr_t ret_value = SUCCEED; + + FUNC_ENTER_API(FAIL) + H5TRACE2("e", "ib", dcpl_id, minimize); + + plist = H5P_object_verify(dcpl_id, H5P_DATASET_CREATE); + if(NULL == plist) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID") + + if(H5P_peek(plist, H5D_CRT_MIN_DSET_HDR_SIZE_NAME, &prev_set) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get extant dset oh minimize flag value") + + if(H5P_poke(plist, H5D_CRT_MIN_DSET_HDR_SIZE_NAME, &minimize) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't get dset oh minimize flag value") + +done: + FUNC_LEAVE_API(ret_value) +} /* H5Pset_dset_no_attrs_hint() */ + diff --git a/src/H5Ppublic.h b/src/H5Ppublic.h index 86c6687..2f094ea 100644 --- a/src/H5Ppublic.h +++ b/src/H5Ppublic.h @@ -412,6 +412,8 @@ H5_DLL herr_t H5Pget_alloc_time(hid_t plist_id, H5D_alloc_time_t H5_DLL herr_t H5Pset_fill_time(hid_t plist_id, H5D_fill_time_t fill_time); H5_DLL herr_t H5Pget_fill_time(hid_t plist_id, H5D_fill_time_t *fill_time/*out*/); +H5_DLL herr_t H5Pget_dset_no_attrs_hint(hid_t dcpl_id, hbool_t *minimize); +H5_DLL herr_t H5Pset_dset_no_attrs_hint(hid_t dcpl_id, hbool_t minimize); /* Dataset access property list (DAPL) routines */ H5_DLL herr_t H5Pset_chunk_cache(hid_t dapl_id, size_t rdcc_nslots, diff --git a/src/H5VLnative.c b/src/H5VLnative.c index fe0fd4e..360c46f 100644 --- a/src/H5VLnative.c +++ b/src/H5VLnative.c @@ -169,3 +169,4 @@ H5VL__native_term(void) FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5VL__native_term() */ + diff --git a/src/H5VLnative.h b/src/H5VLnative.h index 916151b..1a3007a 100644 --- a/src/H5VLnative.h +++ b/src/H5VLnative.h @@ -66,6 +66,8 @@ typedef int H5VL_native_file_optional_t; #define H5VL_NATIVE_FILE_GET_EOA 22 /* H5Fget_eoa */ #define H5VL_NATIVE_FILE_INCR_FILESIZE 23 /* H5Fincrement_filesize */ #define H5VL_NATIVE_FILE_SET_LIBVER_BOUNDS 24 /* H5Fset_latest_format/libver_bounds */ +#define H5VL_NATIVE_FILE_GET_MIN_DSET_OHDR_FLAG 25 /* H5Fget_dset_no_attrs_hint */ +#define H5VL_NATIVE_FILE_SET_MIN_DSET_OHDR_FLAG 26 /* H5Fset_dset_no_attrs_hint */ /* Typedef and values for native VOL connector group optional VOL operations */ typedef int H5VL_native_group_optional_t; diff --git a/src/H5VLnative_file.c b/src/H5VLnative_file.c index 994af16..9fbe478 100644 --- a/src/H5VLnative_file.c +++ b/src/H5VLnative_file.c @@ -377,6 +377,8 @@ H5VL__native_file_specific(void *obj, H5VL_file_specific_t specific_type, break; } + + default: HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid specific operation") } /* end switch */ @@ -750,6 +752,23 @@ H5VL__native_file_optional(void *obj, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR break; } + /* H5Fget_dset_no_attrs_hint */ + case H5VL_NATIVE_FILE_GET_MIN_DSET_OHDR_FLAG: + { + hbool_t *minimize = va_arg(arguments, hbool_t *); + *minimize = H5F_GET_MIN_DSET_OHDR(f); + break; + } + + /* H5Fset_dset_no_attrs_hint */ + case H5VL_NATIVE_FILE_SET_MIN_DSET_OHDR_FLAG: + { + int minimize = va_arg(arguments, int); + if(H5F_set_min_dset_ohdr(f, (hbool_t)minimize) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "cannot set file's dataset object header minimization flag") + break; + } + default: HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid optional operation") } /* end switch */ diff --git a/src/H5VLpublic.h b/src/H5VLpublic.h index 22cf12b..5de36c8 100644 --- a/src/H5VLpublic.h +++ b/src/H5VLpublic.h @@ -115,7 +115,7 @@ typedef enum H5VL_file_get_t { H5VL_FILE_GET_INTENT, /* file intent */ H5VL_FILE_GET_NAME, /* file name */ H5VL_FILE_GET_OBJ_COUNT, /* object count in file */ - H5VL_FILE_GET_OBJ_IDS /* object ids in file */ + H5VL_FILE_GET_OBJ_IDS /* object ids in file */ } H5VL_file_get_t; /* types for file SPECIFIC callback */ |