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Add Doxygen to H5FDsplitter.h (#3794)
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* H5FD_CURR_SPLITTER_VFD_CONFIG_VERSION
* H5FD_SPLITTER_PATH_MAX
* H5FD_SPLITTER_MAGIC
* H5FD_splitter_vfd_config_t
* H5Pset_fapl_splitter()
* H5Pget_fapl_splitter()
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derobins authored Oct 30, 2023
1 parent 556add3 commit 87636d6
Showing 1 changed file with 54 additions and 55 deletions.
109 changes: 54 additions & 55 deletions src/H5FDsplitter.h
Original file line number Diff line number Diff line change
Expand Up @@ -20,70 +20,37 @@
#define H5FD_SPLITTER (H5FDperform_init(H5FD_splitter_init))
#define H5FD_SPLITTER_VALUE H5_VFD_SPLITTER

/* The version of the H5FD_splitter_vfd_config_t structure used */
/** The version of the H5FD_splitter_vfd_config_t structure used */
#define H5FD_CURR_SPLITTER_VFD_CONFIG_VERSION 1

/* Maximum length of a filename/path string in the Write-Only channel,
/**
* Maximum length of a filename/path string in the Write-Only channel,
* including the NULL-terminator.
*/
#define H5FD_SPLITTER_PATH_MAX 4096

/* Semi-unique constant used to help identify structure pointers */
/** Semi-unique constant used to help identify structure pointers */
#define H5FD_SPLITTER_MAGIC 0x2B916880

/* ----------------------------------------------------------------------------
* Structure: H5FD_spliiter_vfd_config_t
*
* One-stop shopping for configuring a Splitter VFD (rather than many
* parameters passed into H5Pset/get functions).
*
* magic (int32_t)
* Semi-unique number, used to sanity-check that a given pointer is
* likely (or not) to be this structure type. MUST be first.
* If magic is not H5FD_SPLITTER_MAGIC, the structure (and/or pointer to)
* must be considered invalid.
*
* version (unsigned int)
* Version number of this structure -- informs component membership.
* If not H5FD_CURR_SPLITTER_VFD_CONFIG_VERSION, the structure (and/or
* pointer to) must be considered invalid.
*
* rw_fapl_id (hid_t)
* Library-given identification number of the Read/Write channel driver
* File Access Property List.
* The driver must support read/write access.
* Must be set to H5P_DEFAULT or a valid FAPL ID.
*
* wo_fapl_id (hid_t)
* Library-given identification number of the Read/Write channel driver
* File Access Property List.
* The driver feature flags must include H5FD_FEAT_DEFAULT_VFD_COMPAITBLE.
* Must be set to H5P_DEFAULT or a valid FAPL ID.
*
* wo_file_path (char[H5FD_SPLITTER_PATH_MAX + 1])
* String buffer for the Write-Only channel target file.
* Must be null-terminated, cannot be empty.
*
* log_file_path (char[H5FD_SPLITTER_PATH_MAX + 1])
* String buffer for the Splitter VFD logging output.
* Must be null-terminated.
* If null, no logfile is created.
*
* ignore_wo_errors (hbool_t)
* Toggle flag for how judiciously to respond to errors on the Write-Only
* channel.
*
* ----------------------------------------------------------------------------
//! <!-- [H5FD_splitter_vfd_config_t_snip] -->
/**
* Configuration options for setting up the Splitter VFD
*/
typedef struct H5FD_splitter_vfd_config_t {
int32_t magic;
unsigned int version;
hid_t rw_fapl_id;
hid_t wo_fapl_id;
char wo_path[H5FD_SPLITTER_PATH_MAX + 1];
char log_file_path[H5FD_SPLITTER_PATH_MAX + 1];
hbool_t ignore_wo_errs;
int32_t magic; /**< Magic number to identify this struct. Must be \p H5FD_SPLITTER_MAGIC. */
unsigned int version; /**< Version number of this struct. Currently must be \p
H5FD_CURR_SPLITTER_VFD_CONFIG_VERSION. */
hid_t rw_fapl_id; /**< File-access property list for setting up the read/write channel. Can be \p
H5P_DEFAULT. */
hid_t wo_fapl_id; /**< File-access property list for setting up the read-only channel. The selected VFD
must support the \p H5FD_FEAT_DEFAULT_VFD_COMPATIBLE flag. Can be \p H5P_DEFAULT. */
char wo_path[H5FD_SPLITTER_PATH_MAX + 1]; /**< Path to the write-only file */
char log_file_path[H5FD_SPLITTER_PATH_MAX + 1]; /**< Path to the log file, which will be created on HDF5
file open (existing files will be clobbered). Can be
NULL, in which case no logging output is generated. */
hbool_t ignore_wo_errs; /**< Whether to ignore errors on the write-only channel */
} H5FD_splitter_vfd_config_t;
//! <!-- [H5FD_splitter_vfd_config_t_snip] -->

#ifdef __cplusplus
extern "C" {
Expand All @@ -93,14 +60,46 @@ H5_DLL hid_t H5FD_splitter_init(void);
/**
* \ingroup FAPL
*
* \todo Add missing documentation
* \brief Sets the file access property list to use the splitter driver
*
* \fapl_id
* \param[in] config_ptr Configuration options for the VFD
* \returns \herr_t
*
* \details H5Pset_fapl_splitter() sets the file access property list identifier,
* \p fapl_id, to use the splitter driver.
*
* The splitter VFD echoes file manipulation (e.g. create, truncate)
* and write calls to a second, write-only file.
*
* \note The splitter VFD should not be confused with the split VFD,
* which is a simplification of the multi VFD and creates separate
* files for metadata and data.
*
* \since 1.10.7, 1.12.1
*/
H5_DLL herr_t H5Pset_fapl_splitter(hid_t fapl_id, H5FD_splitter_vfd_config_t *config_ptr);

/**
* \ingroup FAPL
*
* \todo Add missing documentation
* \brief Gets splitter driver properties from the the file access property list
*
* \fapl_id
* \param[out] config_ptr Configuration options for the VFD
* \returns \herr_t
*
* \details H5Pset_fapl_splitter() sets the file access property list identifier,
* \p fapl_id, to use the splitter driver.
*
* The splitter VFD echoes file manipulation (e.g. create, truncate)
* and write calls to a second file.
*
* \note The splitter VFD should not be confused with the split VFD,
* which is a simplification of the multi VFD and creates separate
* files for metadata and data.
*
* \since 1.10.7, 1.12.1
*/
H5_DLL herr_t H5Pget_fapl_splitter(hid_t fapl_id, H5FD_splitter_vfd_config_t *config_ptr);

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