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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"
#include "H5Opublic.h"
#include "H5Rpublic.h"
/* Dataset creation property names */
#define H5VL_DSET_TYPE_ID "dataset_type_id"
#define H5VL_DSET_SPACE_ID "dataset_space_id"
#define H5VL_DSET_LCPL_ID "dataset_lcpl_id"
/* Attribute creation property names */
#define H5VL_ATTR_TYPE_ID "attr_type_id"
#define H5VL_ATTR_SPACE_ID "attr_space_id"
#define H5VL_ATTR_LOC_PARAMS "attr_location"
/* Link creation property names */
#define H5VL_LINK_TARGET "target_location_object"
#define H5VL_LINK_TARGET_LOC_PARAMS "target_params"
#define H5VL_LINK_TARGET_NAME "target_name"
#define H5VL_LINK_TYPE "link type"
#define H5VL_LINK_UDATA "udata"
#define H5VL_LINK_UDATA_SIZE "udata size"
/* Group creation property names */
#define H5VL_GRP_LCPL_ID "group_lcpl_id"
/* 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 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_INTENT = 2, /*file intent */
H5VL_FILE_GET_NAME = 3, /*file name */
H5VL_FILE_GET_OBJ_COUNT = 4, /*object count in file */
H5VL_FILE_GET_OBJ_IDS = 5, /*object ids in file */
H5VL_OBJECT_GET_FILE = 6
} H5VL_file_get_t;
/* types for all file misc operations */
typedef enum H5VL_file_misc_t {
H5VL_FILE_MOUNT = 0,
H5VL_FILE_UNMOUNT = 1,
H5VL_FILE_IS_ACCESSIBLE = 2
} H5VL_file_misc_t;
/* types for all file optional operations */
typedef enum H5VL_file_optional_t {
H5VL_FILE_CLEAR_ELINK_CACHE = 0,
H5VL_FILE_GET_FILE_IMAGE = 1, /*file image */
H5VL_FILE_GET_FREE_SECTIONS = 2, /*file free selections */
H5VL_FILE_GET_FREE_SPACE = 3, /*file freespace */
H5VL_FILE_GET_INFO = 4, /*file info */
H5VL_FILE_GET_MDC_CONF = 5, /*file metadata cache configuration */
H5VL_FILE_GET_MDC_HR = 6, /*file metadata cache hit rate */
H5VL_FILE_GET_MDC_SIZE = 7, /*file metadata cache size */
H5VL_FILE_GET_SIZE = 8, /*file size */
H5VL_FILE_GET_VFD_HANDLE = 9, /*file VFD handle */
H5VL_FILE_REOPEN = 10,
H5VL_FILE_RESET_MDC_HIT_RATE = 11,
H5VL_FILE_SET_MDC_CONFIG = 12
} H5VL_file_optional_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_misc_t {
H5VL_ATTR_RENAME = 0, /* H5Arename */
H5VL_OBJECT_CHANGE_REF_COUNT = 1, /* H5Oincr/decr_refcount */
H5VL_OBJECT_SET_COMMENT = 2, /* H5Oset_comment(_by_name) */
H5VL_REF_CREATE = 3 /* H5Rcreate */
} H5VL_object_misc_t;
/* types for all object general operations */
typedef enum H5VL_object_optional_t {
H5VL_OPTIONAL = 0
} H5VL_object_optional_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 different ways that objects are located in an HDF5 container */
typedef enum H5VL_loc_type_t {
H5VL_OBJECT_BY_SELF = 0,
H5VL_OBJECT_BY_NAME = 1,
H5VL_OBJECT_BY_IDX = 2,
H5VL_OBJECT_BY_ADDR = 3,
H5VL_OBJECT_BY_REF = 4
} H5VL_loc_type_t;
struct H5VL_loc_by_name {
const char *name;
hid_t plist_id;
};
struct H5VL_loc_by_idx {
const char *name;
H5_index_t idx_type;
H5_iter_order_t order;
hsize_t n;
hid_t plist_id;
};
struct H5VL_loc_by_addr {
haddr_t addr;
};
struct H5VL_loc_by_ref {
H5R_type_t ref_type;
const void *_ref;
hid_t plist_id;
};
/* Structure to hold parameters for object locations.
either: BY_ID, BY_NAME, BY_IDX, BY_ADDR, BY_REF */
typedef struct H5VL_loc_params_t {
H5I_type_t obj_type;
H5VL_loc_type_t type;
union{
struct H5VL_loc_by_name loc_by_name;
struct H5VL_loc_by_idx loc_by_idx;
struct H5VL_loc_by_addr loc_by_addr;
struct H5VL_loc_by_ref loc_by_ref;
}loc_data;
} H5VL_loc_params_t;
#define H5VL_VOL_DEFAULT 0 /* Default VOL plugin value */
/* Forward declaration */
typedef struct H5VL_t H5VL_t;
/* H5A routines */
typedef struct H5VL_attr_class_t {
void *(*create)(void *obj, H5VL_loc_params_t loc_params, const char *attr_name, hid_t acpl_id, hid_t aapl_id, hid_t req);
void *(*open) (void *obj, H5VL_loc_params_t loc_params, const char *attr_name, hid_t aapl_id, hid_t req);
herr_t (*read) (void *attr, hid_t mem_type_id, void *buf, hid_t req);
herr_t (*write) (void *attr, hid_t mem_type_id, const void *buf, hid_t req);
herr_t (*get) (void *attr, H5VL_attr_get_t get_type, hid_t req, va_list arguments);
herr_t (*remove)(void *obj, H5VL_loc_params_t loc_params, const char *attr_name, hid_t req);
herr_t (*close) (void *attr, hid_t req);
} H5VL_attr_class_t;
/* H5T routines*/
typedef struct H5VL_datatype_class_t {
void *(*commit)(void *obj, H5VL_loc_params_t loc_params, const char *name, hid_t type_id,
hid_t lcpl_id, hid_t tcpl_id, hid_t tapl_id, hid_t req);
void *(*open) (void *obj, H5VL_loc_params_t loc_params, const char * name, hid_t tapl_id, hid_t req);
ssize_t (*get_binary) (void *obj, unsigned char *buf, size_t size, hid_t req);
herr_t (*close) (void *dt, hid_t req);
} H5VL_datatype_class_t;
/* H5D routines */
typedef struct H5VL_dataset_class_t {
void *(*create)(void *obj, H5VL_loc_params_t loc_params, const char *name, hid_t dcpl_id, hid_t dapl_id, hid_t req);
void *(*open) (void *obj, H5VL_loc_params_t loc_params, const char *name, hid_t dapl_id, hid_t req);
herr_t (*read) (void *dset, 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) (void *dset, 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) (void *dset, const hsize_t size[], hid_t req);
herr_t (*get) (void *dset, H5VL_dataset_get_t get_type, hid_t req, va_list arguments);
herr_t (*close) (void *dset, hid_t req);
} H5VL_dataset_class_t;
/* H5F routines */
typedef struct H5VL_file_class_t {
void *(*create)(const char *name, unsigned flags, hid_t fcpl_id,
hid_t fapl_id, hid_t req);
void *(*open) (const char *name, unsigned flags, hid_t fapl_id, hid_t req);
herr_t (*flush) (void *obj, H5VL_loc_params_t loc_params, H5F_scope_t scope, hid_t req);
herr_t (*get) (void *file, H5VL_file_get_t get_type, hid_t req, va_list arguments);
herr_t (*misc) (void *file, H5VL_file_misc_t misc_type, hid_t req, va_list arguments);
herr_t (*optional)(void *file, H5VL_file_optional_t op_type, hid_t req, va_list arguments);
herr_t (*close) (void *file, hid_t req);
} H5VL_file_class_t;
/* H5G routines */
typedef struct H5VL_group_class_t {
void *(*create)(void *obj, H5VL_loc_params_t loc_params, const char *name, hid_t gcpl_id, hid_t gapl_id, hid_t req);
void *(*open) (void *obj, H5VL_loc_params_t loc_params, const char *name, hid_t gapl_id, hid_t req);
herr_t (*get) (void *obj, H5VL_group_get_t get_type, hid_t req, va_list arguments);
herr_t (*close) (void *grp, 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, void *obj, H5VL_loc_params_t loc_params,
hid_t lcpl_id, hid_t lapl_id, hid_t req);
herr_t (*move) (void *src_obj, H5VL_loc_params_t loc_params1,
void *dst_obj, H5VL_loc_params_t loc_params2,
hbool_t copy_flag, hid_t lcpl, hid_t lapl, hid_t req);
herr_t (*iterate) (void *obj, H5VL_loc_params_t loc_params, hbool_t recursive,
H5_index_t idx_type, H5_iter_order_t order, hsize_t *idx,
H5L_iterate_t op, void *op_data, hid_t req);
herr_t (*get) (void *obj, H5VL_loc_params_t loc_params, H5VL_link_get_t get_type, hid_t req, va_list arguments);
herr_t (*remove)(void *obj, H5VL_loc_params_t loc_params, hid_t req);
} H5VL_link_class_t;
/* H5O routines */
typedef struct H5VL_object_class_t {
void *(*open) (void *obj, H5VL_loc_params_t loc_params, H5I_type_t *opened_type, hid_t req);
herr_t (*copy) (void *src_obj, H5VL_loc_params_t loc_params1, const char *src_name,
void *dst_obj, H5VL_loc_params_t loc_params2, const char *dst_name,
hid_t ocpypl_id, hid_t lcpl_id, hid_t req);
herr_t (*visit) (void *obj, H5VL_loc_params_t loc_params, H5_index_t idx_type,
H5_iter_order_t order, H5O_iterate_t op, void *op_data, hid_t req);
//herr_t (*lookup)(hid_t loc_id, H5VL_loc_type_t lookup_type, void **location, hid_t req, va_list arguments);
//herr_t (*free_loc)(void *location, hid_t req);
herr_t (*get) (void *obj, H5VL_loc_params_t loc_params, H5VL_object_get_t get_type, hid_t req, va_list arguments);
herr_t (*misc) (void *obj, H5VL_loc_params_t loc_params, H5VL_object_misc_t misc_type, hid_t req, va_list arguments);
herr_t (*optional)(void *obj, H5VL_loc_params_t loc_params, H5VL_object_optional_t op_type, hid_t req, va_list arguments);
herr_t (*close) (void *obj, H5VL_loc_params_t loc_params, hid_t req);
} H5VL_object_class_t;
/* enum value to identify the class of a VOL plugin (mostly for comparison purposes */
typedef enum H5VL_class_value_t {
NATIVE = 0,
DUMMY = 1
} H5VL_class_value_t;
/* Class information for each VOL driver */
typedef struct H5VL_class_t {
H5VL_class_value_t value;
const char *name;
herr_t (*initialize)(void);
herr_t (*terminate)(void);
size_t fapl_size;
void * (*fapl_copy)(const void *info);
herr_t (*fapl_free)(void *info);
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;
/*
* The main datatype for each plugin. Public fields common to all
* plugins are declared here and the plugin appends private fields in
* memory.
*/
struct H5VL_t {
const H5VL_class_t *cls; /*constant class info */
const char *container_name; /* name of the underlying storage container */
unsigned long feature_flags; /* VOL Driver feature Flags */
int nrefs; /* number of references by objects using this struct */
};
#ifdef __cplusplus
extern "C" {
#endif
/* ATTRIBUTE OBJECT ROUTINES */
H5_DLL void *H5VLattr_create(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, const char *attr_name, hid_t acpl_id, hid_t aapl_id, hid_t req);
H5_DLL void *H5VLattr_open(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, const char *name, hid_t aapl_id, hid_t req);
H5_DLL herr_t H5VLattr_read(void *attr, H5VL_t *vol_plugin, hid_t dtype_id, void *buf, hid_t req);
H5_DLL herr_t H5VLattr_write(void *attr, H5VL_t *vol_plugin, hid_t dtype_id, const void *buf, hid_t req);
H5_DLL herr_t H5VLattr_get(void *attr, H5VL_t *vol_plugin, H5VL_attr_get_t get_type, hid_t req, va_list arguments);
H5_DLL herr_t H5VLattr_remove(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, const char *attr_name, hid_t req);
H5_DLL herr_t H5VLattr_close(void *attr, H5VL_t *vol_plugin, hid_t req);
/* DATASE OBJECT ROUTINES */
H5_DLL void *H5VLdataset_create(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, const char *name, hid_t dcpl_id, hid_t dapl_id, hid_t req);
H5_DLL void *H5VLdataset_open(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, const char *name, hid_t dapl_id, hid_t req);
H5_DLL herr_t H5VLdataset_read(void *dset, H5VL_t *vol_plugin, hid_t mem_type_id, hid_t mem_space_id, hid_t file_space_id, hid_t plist_id, void *buf, hid_t req);
H5_DLL herr_t H5VLdataset_write(void *dset, H5VL_t *vol_plugin, hid_t mem_type_id, hid_t mem_space_id, hid_t file_space_id, hid_t plist_id, const void *buf, hid_t req);
H5_DLL herr_t H5VLdataset_set_extent(void *dset, H5VL_t *vol_plugin, const hsize_t size[], hid_t req);
H5_DLL herr_t H5VLdataset_get(void *dset, H5VL_t *vol_plugin, H5VL_dataset_get_t get_type, hid_t req, va_list arguments);
H5_DLL herr_t H5VLdataset_close(void *dset, H5VL_t *vol_plugin, hid_t req);
/* DATATYPE OBJECT ROUTINES */
H5_DLL void *H5VLdatatype_commit(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, const char *name, hid_t type_id, hid_t lcpl_id, hid_t tcpl_id, hid_t tapl_id, hid_t req);
H5_DLL void *H5VLdatatype_open(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, const char *name, hid_t tapl_id, hid_t req);
H5_DLL ssize_t H5VLdatatype_get_binary(void *obj, H5VL_t *vol_plugin, unsigned char *buf, size_t size, hid_t req);
H5_DLL herr_t H5VLdatatype_close(void *dt, H5VL_t *vol_plugin, hid_t req);
/* FILE OBJECT ROUTINES */
H5_DLL void *H5VLfile_create(H5VL_t **vol_plugin, const char *name, unsigned flags, hid_t fcpl_id, hid_t fapl_id, hid_t req);
H5_DLL void *H5VLfile_open(H5VL_t **vol_plugin, const char *name, unsigned flags, hid_t fapl_id, hid_t req);
H5_DLL herr_t H5VLfile_flush(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, H5F_scope_t scope, hid_t req);
H5_DLL herr_t H5VLfile_misc(void *file, H5VL_t *vol_plugin, H5VL_file_misc_t misc_type, hid_t req, va_list arguments);
H5_DLL herr_t H5VLfile_optional(void *file, H5VL_t *vol_plugin, H5VL_file_optional_t optional_type, hid_t req, va_list arguments);
H5_DLL herr_t H5VLfile_get(void *file, H5VL_t *vol_plugin, H5VL_file_get_t get_type, hid_t req, va_list arguments);
H5_DLL herr_t H5VLfile_close(void *file, H5VL_t *vol_plugin, hid_t req);
/* GROUP OBJECT ROUTINES */
H5_DLL void *H5VLgroup_create(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, const char *name, hid_t gcpl_id, hid_t gapl_id, hid_t req);
H5_DLL void *H5VLgroup_open(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, const char *name, hid_t gapl_id, hid_t req);
H5_DLL herr_t H5VLgroup_close(void *grp, H5VL_t *vol_plugin, hid_t req);
H5_DLL herr_t H5VLgroup_get(void *obj, H5VL_t *vol_plugin, H5VL_group_get_t get_type, hid_t req, va_list arguments);
/* LINK OBJECT ROUTINES */
H5_DLL herr_t H5VLlink_create(H5VL_link_create_type_t create_type, void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, hid_t lcpl_id, hid_t lapl_id, hid_t req);
H5_DLL herr_t H5VLlink_move(void *src_obj, H5VL_loc_params_t loc_params1,
void *dst_obj, H5VL_loc_params_t loc_params2, H5VL_t *vol_plugin,
hbool_t copy_flag, hid_t lcpl_id, hid_t lapl_id, hid_t req);
H5_DLL herr_t H5VLlink_iterate(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin,
hbool_t recursive, H5_index_t idx_type, H5_iter_order_t order,
hsize_t *idx, H5L_iterate_t op, void *op_data, hid_t req);
H5_DLL herr_t H5VLlink_get(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, H5VL_link_get_t get_type, hid_t req, va_list arguments);
H5_DLL herr_t H5VLlink_remove(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, hid_t req);
/* OBJECT ROUTINES */
H5_DLL void *H5VLobject_open(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, H5I_type_t *opened_type, hid_t req);
H5_DLL herr_t H5VLobject_copy(void *src_obj, H5VL_loc_params_t loc_params1, H5VL_t *vol_plugin1, const char *src_name,
void *dst_obj, H5VL_loc_params_t loc_params2, H5VL_t *vol_plugin2, const char *dst_name,
hid_t ocpypl_id, hid_t lcpl_id, hid_t req);
H5_DLL herr_t H5VLobject_visit(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, H5_index_t idx_type, H5_iter_order_t order, H5O_iterate_t op, void *op_data, hid_t req);
H5_DLL herr_t H5VLobject_get(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, H5VL_object_get_t get_type, hid_t req, va_list arguments);
H5_DLL herr_t H5VLobject_misc(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, H5VL_object_misc_t misc_type, hid_t req, va_list arguments);
H5_DLL herr_t H5VLobject_optional(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, H5VL_object_misc_t optional_type, hid_t req, va_list arguments);
H5_DLL herr_t H5VLobject_close(void *obj, H5VL_loc_params_t loc_params, H5VL_t *vol_plugin, hid_t req);
/* Function prototypes */
H5_DLL hid_t H5VLregister(const H5VL_class_t *cls);
H5_DLL herr_t H5VLunregister(hid_t plugin_id);
H5_DLL htri_t H5VLis_registered(hid_t id);
H5_DLL ssize_t H5VLget_plugin_name(hid_t id, char *name/*out*/, size_t size);
H5_DLL hid_t H5VLobject_register(void *obj, H5I_type_t obj_type, const H5VL_class_t *cls);
#ifdef __cplusplus
}
#endif
#endif /* _H5VLpublic_H */
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