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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * All rights reserved.                                                      *
 *                                                                           *
 * This file is part of HDF5.  The full HDF5 copyright notice, including     *
 * terms governing use, modification, and redistribution, is contained in    *
 * the COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#ifndef _H5VLprivate_H
#define _H5VLprivate_H

/* Include package's public header */
#include "H5VLpublic.h"         /* Generic Functions                    */

/* Private headers needed by this file */

/**************************/
/* Library Private Macros */
/**************************/

/****************************/
/* Library Private Typedefs */
/****************************/

/* Internal struct to track VOL driver information for objects */
typedef struct H5VL_t {
    const H5VL_class_t *cls;            /* Pointer to driver class struct                       */
    int64_t             nrefs;          /* Number of references by objects using this struct    */
    hid_t               id;             /* Identifier for the VOL driver                        */
} H5VL_t;

/* Internal vol object structure returned to the API */
typedef struct H5VL_object_t {
    void               *data;           /* Pointer to driver-managed data for this object       */
    H5VL_t             *driver;         /* Pointer to VOL driver struct                         */
} H5VL_object_t;

/* Internal structure to hold the driver ID & info for FAPLs */
typedef struct H5VL_driver_prop_t {
    hid_t               driver_id;      /* VOL driver's ID                                      */
    const void         *driver_info;    /* VOL driver info, for open callbacks                  */
} H5VL_driver_prop_t;

/*****************************/
/* Library Private Variables */
/*****************************/

/******************************/
/* Library Private Prototypes */
/******************************/

/* Common functions */
H5_DLL herr_t H5VL_init(void);
H5_DLL hid_t H5VL_register_id(H5I_type_t type, void *object, H5VL_t *vol_driver, hbool_t app_ref);
H5_DLL herr_t H5VL_free_object(H5VL_object_t *obj);
H5_DLL hid_t H5VL_register(const void *cls, size_t size, hbool_t app_ref);
H5_DLL hid_t H5VL_object_register(void *obj, H5I_type_t obj_type, hid_t driver_id, hbool_t app_ref);
H5_DLL ssize_t H5VL_get_driver_name(hid_t id, char *name/*out*/, size_t size);
H5_DLL H5VL_object_t *H5VL_get_object(hid_t id);
H5_DLL void *H5VL_object(hid_t id);
H5_DLL void *H5VL_object_verify(hid_t id, H5I_type_t obj_type);
H5_DLL void *H5VL_driver_object(H5VL_object_t *obj);

/* Attribute functions */
H5_DLL void *H5VL_attr_create(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, const char *attr_name, hid_t acpl_id, hid_t aapl_id, hid_t dxpl_id, void **req);
H5_DLL void *H5VL_attr_open(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, const char *name, hid_t aapl_id, hid_t dxpl_id, void **req);
H5_DLL herr_t H5VL_attr_read(void *attr, const H5VL_class_t *cls, hid_t dtype_id, void *buf, hid_t dxpl_id, void **req);
H5_DLL herr_t H5VL_attr_write(void *attr, const H5VL_class_t *cls, hid_t dtype_id, const void *buf, hid_t dxpl_id, void **req);
H5_DLL herr_t H5VL_attr_get(void *obj, const H5VL_class_t *cls, H5VL_attr_get_t get_type, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_attr_specific(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, H5VL_attr_specific_t specific_type, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_attr_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_attr_close(void *attr, const H5VL_class_t *cls, hid_t dxpl_id, void **req);

/* Dataset functions */
H5_DLL void *H5VL_dataset_create(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, const char *name, hid_t dcpl_id, hid_t dapl_id, hid_t dxpl_id, void **req);
H5_DLL void *H5VL_dataset_open(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, const char *name, hid_t dapl_id, hid_t dxpl_id, void **req);
H5_DLL herr_t H5VL_dataset_read(void *dset, const H5VL_class_t *cls, hid_t mem_type_id, hid_t mem_space_id, hid_t file_space_id, hid_t plist_id, void *buf, void **req);
H5_DLL herr_t H5VL_dataset_write(void *dset, const H5VL_class_t *cls, hid_t mem_type_id, hid_t mem_space_id, hid_t file_space_id, hid_t plist_id, const void *buf, void **req);
H5_DLL herr_t H5VL_dataset_get(void *dset, const H5VL_class_t *cls, H5VL_dataset_get_t get_type, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_dataset_specific(void *obj, const H5VL_class_t *cls, H5VL_dataset_specific_t specific_type, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_dataset_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_dataset_close(void *dset, const H5VL_class_t *cls, hid_t dxpl_id, void **req);

/* File functions */
H5_DLL void *H5VL_file_create(const H5VL_class_t *cls, const char *name, unsigned flags, hid_t fcpl_id, hid_t fapl_id, hid_t dxpl_id, void **req);
H5_DLL void *H5VL_file_open(const H5VL_class_t *cls, const char *name, unsigned flags, hid_t fapl_id, hid_t dxpl_id, void **req);
H5_DLL herr_t H5VL_file_get(void *file, const H5VL_class_t *cls, H5VL_file_get_t get_type, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_file_specific(void *obj, const H5VL_class_t *cls, H5VL_file_specific_t specific_type, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_file_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_file_close(void *file, const H5VL_class_t *cls, hid_t dxpl_id, void **req);

/* Group functions */
H5_DLL void *H5VL_group_create(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, const char *name, hid_t gcpl_id, hid_t gapl_id, hid_t dxpl_id, void **req);
H5_DLL void *H5VL_group_open(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, const char *name, hid_t gapl_id, hid_t dxpl_id, void **req);
H5_DLL herr_t H5VL_group_get(void *obj, const H5VL_class_t *cls, H5VL_group_get_t get_type, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_group_specific(void *obj, const H5VL_class_t *cls, H5VL_group_specific_t specific_type, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_group_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_group_close(void *grp, const H5VL_class_t *cls, hid_t dxpl_id, void **req);

/* Link functions */
H5_DLL herr_t H5VL_link_create(H5VL_link_create_type_t create_type, void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, hid_t lcpl_id, hid_t lapl_id, hid_t dxpl_id, void **req);
H5_DLL herr_t H5VL_link_copy(void *src_obj, H5VL_loc_params_t loc_params1, void *dst_obj, H5VL_loc_params_t loc_params2, const H5VL_class_t *cls, hid_t lcpl_id, hid_t lapl_id, hid_t dxpl_id, void **req);
H5_DLL herr_t H5VL_link_move(void *src_obj, H5VL_loc_params_t loc_params1, void *dst_obj, H5VL_loc_params_t loc_params2, const H5VL_class_t *cls, hid_t lcpl_id, hid_t lapl_id, hid_t dxpl_id, void **req);
H5_DLL herr_t H5VL_link_get(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, H5VL_link_get_t get_type, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_link_specific(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, H5VL_link_specific_t specific_type, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_link_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, void **req, ...);

/* Object functions */
H5_DLL void *H5VL_object_open(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, H5I_type_t *opened_type, hid_t dxpl_id, void **req);
H5_DLL herr_t H5VL_object_copy(void *src_obj, H5VL_loc_params_t loc_params1, const H5VL_class_t *cls1, const char *src_name, void *dst_obj, H5VL_loc_params_t loc_params2, const H5VL_class_t *cls2, const char *dst_name, hid_t ocpypl_id, hid_t lcpl_id, hid_t dxpl_id, void **req);
H5_DLL herr_t H5VL_object_get(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, H5VL_object_get_t get_type, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_object_specific(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, H5VL_object_specific_t specific_type, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_object_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, void **req, ...);

/* Datatype functions */
H5_DLL void *H5VL_datatype_commit(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, const char *name, hid_t type_id, hid_t lcpl_id, hid_t tcpl_id, hid_t tapl_id, hid_t dxpl_id, void **req);
H5_DLL void *H5VL_datatype_open(void *obj, H5VL_loc_params_t loc_params, const H5VL_class_t *cls, const char *name, hid_t tapl_id, hid_t dxpl_id, void **req);
H5_DLL herr_t H5VL_datatype_get(void *dt, const H5VL_class_t *cls, H5VL_datatype_get_t get_type, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_datatype_specific(void *obj, const H5VL_class_t *cls, H5VL_datatype_specific_t specific_type, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_datatype_optional(void *obj, const H5VL_class_t *cls, hid_t dxpl_id, void **req, ...);
H5_DLL herr_t H5VL_datatype_close(void *dt, const H5VL_class_t *cls, hid_t dxpl_id, void **req);

/* Asynchronous functions */
H5_DLL herr_t H5VL_request_cancel(void **req, const H5VL_class_t *cls, H5ES_status_t *status);
H5_DLL herr_t H5VL_request_test(void **req, const H5VL_class_t *cls, H5ES_status_t *status);
H5_DLL herr_t H5VL_request_wait(void **req, const H5VL_class_t *cls, H5ES_status_t *status);
#endif /* _H5VLprivate_H */