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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Mohamad Chaarawi <chaarawi@hdfgroup.org>
* January 23, 2012
*/
#ifndef _H5VLpublic_H
#define _H5VLpublic_H
#include "stdarg.h"
#include "H5public.h"
#include "H5Fpublic.h"
#include "H5Lpublic.h"
/* types for all attr get API routines */
typedef enum H5VL_attr_get_t {
H5VL_ATTR_EXISTS = 0, /* H5Aexists */
H5VL_ATTR_GET_SPACE = 1, /* dataspace */
H5VL_ATTR_GET_TYPE = 2, /* datatype */
H5VL_ATTR_GET_ACPL = 3, /* creation property list */
H5VL_ATTR_GET_NAME = 4, /* access property list */
H5VL_ATTR_GET_STORAGE_SIZE = 5, /* storage size */
H5VL_ATTR_GET_INFO = 6 /* offset */
} H5VL_attr_get_t;
/* types for all dataset get API routines */
typedef enum H5VL_dataset_get_t {
H5VL_DATASET_GET_SPACE = 0, /* dataspace */
H5VL_DATASET_GET_SPACE_STATUS = 1, /* space status */
H5VL_DATASET_GET_TYPE = 2, /* datatype */
H5VL_DATASET_GET_DCPL = 3, /* creation property list */
H5VL_DATASET_GET_DAPL = 4, /* access property list */
H5VL_DATASET_GET_STORAGE_SIZE = 5, /* storage size */
H5VL_DATASET_GET_OFFSET = 6 /* offset */
} H5VL_dataset_get_t;
/* types for all file general operations */
typedef enum H5VL_file_generic_t {
H5VL_FILE_GET_VFD_HANDLE = 0, /*file VFD handle */
H5VL_FILE_IS_HDF5 = 1 /* is HDF5? */
} H5VL_file_generic_t;
/* types for all file get API routines */
typedef enum H5VL_file_get_t {
H5VL_FILE_GET_FAPL = 0, /*file access property list */
H5VL_FILE_GET_FCPL = 1, /*file creation property list */
H5VL_FILE_GET_SIZE = 2, /*file size */
H5VL_FILE_GET_FREE_SPACE = 3, /*file freespace */
H5VL_FILE_GET_INFO = 4, /*file info */
H5VL_FILE_GET_INTENT = 5, /*file intent */
H5VL_FILE_GET_NAME = 6, /*file name */
H5VL_FILE_GET_OBJ_COUNT = 7, /*object count in file */
H5VL_FILE_GET_OBJ_IDS = 8, /*object ids in file */
H5VL_FILE_GET_MDC_CONF = 9, /*file metadata cache configuration */
H5VL_FILE_GET_MDC_HR = 10, /*file metadata cache hit rate */
H5VL_FILE_GET_MDC_SIZE = 11, /*file metadata cache size */
H5VL_FILE_GET_FREE_SECTIONS = 12 /*file free selections */
} H5VL_file_get_t;
/* types for all group get API routines */
typedef enum H5VL_group_get_t {
H5VL_GROUP_GET_GCPL = 0, /*group creation property list */
H5VL_GROUP_GET_INFO = 1 /*group info */
} H5VL_group_get_t;
/* link create types for VOL */
typedef enum H5VL_link_create_type_t {
H5VL_LINK_CREATE_HARD = 0,
H5VL_LINK_CREATE_SOFT = 1,
H5VL_LINK_CREATE_UD = 2
} H5VL_link_create_type_t;
/* types for all link get API routines */
typedef enum H5VL_link_get_t {
H5VL_LINK_EXISTS = 0, /*link existence */
H5VL_LINK_GET_INFO = 1, /*link info */
H5VL_LINK_GET_NAME = 2, /*link name */
H5VL_LINK_GET_VAL = 3 /*link value */
} H5VL_link_get_t;
/* types for all object general operations */
typedef enum H5VL_object_generic_t {
H5VL_ATTR_DELETE_BY_IDX = 0, /* H5Adelete_by_idx */
H5VL_ATTR_OPEN_BY_IDX = 1, /* H5Aopen_by_idx */
H5VL_ATTR_RENAME = 2, /* H5Arename */
H5VL_OBJECT_CHANGE_REF_COUNT = 3, /* H5Oincr/decr_refcount */
H5VL_OBJECT_SET_COMMENT = 4, /* H5Oset_comment(_by_name) */
H5VL_REF_CREATE = 5 /* H5Rcreate */
} H5VL_object_generic_t;
/* types for all object get API routines */
typedef enum H5VL_object_get_t {
H5VL_OBJECT_EXISTS = 0, /* H5Oexists_by_name) */
H5VL_OBJECT_GET_INFO = 1, /*object info */
H5VL_OBJECT_GET_COMMENT = 2, /*object comment */
H5VL_REF_GET_REGION = 3, /*dataspace of region */
H5VL_REF_GET_TYPE = 4, /*type of object */
H5VL_REF_GET_NAME = 5 /*object name */
} H5VL_object_get_t;
/* types for all object lookup API routines */
typedef enum H5VL_object_lookup_t {
H5VL_OBJECT_LOOKUP = 0,
H5VL_OBJECT_LOOKUP_BY_NAME = 1,
H5VL_OBJECT_LOOKUP_BY_IDX = 2,
H5VL_OBJECT_LOOKUP_BY_ADDR = 3,
H5VL_OBJECT_LOOKUP_BY_REF = 4
} H5VL_object_lookup_t;
#define H5VL_VOL_DEFAULT 0 /* Default VOL plugin value */
/* H5A routines */
typedef struct H5VL_attr_class_t {
hid_t (*create)(hid_t loc_id, const char *attr_name, hid_t acpl_id, hid_t aapl_id, hid_t req);
hid_t (*open) (hid_t loc_id, void *location, const char *attr_name, hid_t aapl_id, hid_t req);
herr_t (*read) (hid_t attr_id, hid_t mem_type_id, void *buf, hid_t req);
herr_t (*write) (hid_t attr_id, hid_t mem_type_id, const void *buf, hid_t req);
herr_t (*get) (hid_t file_id, H5VL_attr_get_t get_type, hid_t req, va_list arguments);
herr_t (*delete)(hid_t loc_id, void *location, const char *attr_name, hid_t req);
herr_t (*close) (hid_t attr_id, hid_t req);
} H5VL_attr_class_t;
/* H5T routines*/
typedef struct H5VL_datatype_class_t {
herr_t (*commit)(hid_t loc_id, const char *name, hid_t type_id,
hid_t lcpl_id, hid_t tcpl_id, hid_t tapl_id, hid_t req);
hid_t (*open) (hid_t loc_id, const char * name, hid_t tapl_id, hid_t req);
herr_t (*close) (hid_t type_id, hid_t req);
}H5VL_datatype_class_t;
/* H5D routines */
typedef struct H5VL_dataset_class_t {
hid_t (*create)(hid_t loc_id, const char *name, hid_t dcpl_id, hid_t dapl_id, hid_t req);
hid_t (*open) (hid_t loc_id, const char *name, hid_t dapl_id, hid_t req);
herr_t (*read) (hid_t dataset_id, hid_t mem_type_id, hid_t mem_space_id, hid_t file_space_id,
hid_t xfer_plist_id, void * buf, hid_t req);
herr_t (*write) (hid_t dataset_id, hid_t mem_type_id, hid_t mem_space_id, hid_t file_space_id,
hid_t xfer_plist_id, const void * buf, hid_t req);
herr_t (*set_extent) (hid_t uid, const hsize_t size[], hid_t req);
herr_t (*get) (hid_t file_id, H5VL_dataset_get_t get_type, hid_t req, va_list arguments);
herr_t (*close) (hid_t dataset_id, hid_t req);
} H5VL_dataset_class_t;
/* H5F routines */
typedef struct H5VL_file_class_t {
hid_t (*create)(const char *name, unsigned flags, hid_t fcpl_id, hid_t fapl_id, hid_t req);
hid_t (*open) (const char *name, unsigned flags, hid_t fapl_id, hid_t req);
herr_t (*flush) (hid_t file_id, H5F_scope_t scope, hid_t req);
herr_t (*get) (hid_t file_id, H5VL_file_get_t get_type, hid_t req, va_list arguments);
herr_t (*generic)(hid_t loc_id, H5VL_file_generic_t generic_type, hid_t req, va_list arguments);
herr_t (*close) (hid_t file_id, hid_t req);
} H5VL_file_class_t;
/* H5G routines */
typedef struct H5VL_group_class_t {
hid_t (*create)(hid_t loc_id, const char *name, hid_t gcpl_id, hid_t gapl_id, hid_t req);
hid_t (*open) (hid_t loc_id, const char *name, hid_t gapl_id, hid_t req);
herr_t (*get) (hid_t file_id, H5VL_group_get_t get_type, hid_t req, va_list arguments);
herr_t (*close) (hid_t group_id, hid_t req);
} H5VL_group_class_t;
/* H5L routines */
typedef struct H5VL_link_class_t {
herr_t (*create)(H5VL_link_create_type_t create_type, hid_t link_loc_id, const char *link_name,
hid_t lcpl_id, hid_t lapl_id, hid_t req);
herr_t (*move) (hid_t src_loc_id, const char *src_name, hid_t dst_loc_id,
const char *dest_name, hbool_t copy_flag, hid_t lcpl, hid_t lapl, hid_t req);
herr_t (*get) (hid_t loc_id, H5VL_link_get_t get_type, hid_t req, va_list arguments);
herr_t (*delete)(hid_t loc_id, const char *name, void *udata, hid_t lapl_id, hid_t req);
} H5VL_link_class_t;
/* H5O routines */
typedef struct H5VL_object_class_t {
hid_t (*open) (hid_t loc_id, void *obj_loc, hid_t lapl_id, hid_t req);
herr_t (*copy) (hid_t src_loc_id, const char *src_name, hid_t dst_loc_id, const char *dst_name,
hid_t ocpypl_id, hid_t lcpl_id, hid_t req);
herr_t (*lookup)(hid_t loc_id, H5VL_object_lookup_t lookup_type, hid_t req, va_list arguments);
herr_t (*free_loc)(void *location, hid_t req);
herr_t (*get) (hid_t loc_id, H5VL_object_get_t get_type, hid_t req, va_list arguments);
herr_t (*generic)(hid_t id, H5VL_object_generic_t generic_type, hid_t req, va_list arguments);
herr_t (*close) (hid_t obj_id, hid_t req);
} H5VL_object_class_t;
/* Class information for each VOL driver */
typedef struct H5VL_class_t {
const char *name;
unsigned nrefs; /* Ref count for times struct is pointed to */
herr_t (*terminate)(void);
H5VL_attr_class_t attr_cls;
H5VL_datatype_class_t datatype_cls;
H5VL_dataset_class_t dataset_cls;
H5VL_file_class_t file_cls;
H5VL_group_class_t group_cls;
H5VL_link_class_t link_cls;
H5VL_object_class_t object_cls;
} H5VL_class_t;
#ifdef __cplusplus
extern "C" {
#endif
/* Function prototypes */
H5_DLL hid_t H5VLregister(const H5VL_class_t *cls);
H5_DLL herr_t H5VLunregister(hid_t driver_id);
#ifdef __cplusplus
}
#endif
#endif /* _H5VLpublic_H */
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