diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/H5VLnative.c | 2880 | ||||
| -rw-r--r-- | src/H5VLnative.h | 47 | ||||
| -rw-r--r-- | src/H5VLnative_attr.c | 22 | ||||
| -rw-r--r-- | src/H5VLnative_dataset.c | 562 | ||||
| -rw-r--r-- | src/H5VLnative_datatype.c | 252 | ||||
| -rw-r--r-- | src/H5VLnative_file.c | 798 | ||||
| -rw-r--r-- | src/H5VLnative_group.c | 350 | ||||
| -rw-r--r-- | src/H5VLnative_link.c | 422 | ||||
| -rw-r--r-- | src/H5VLnative_object.c | 469 |
9 files changed, 2906 insertions, 2896 deletions
diff --git a/src/H5VLnative.c b/src/H5VLnative.c index b34b001..82ff470 100644 --- a/src/H5VLnative.c +++ b/src/H5VLnative.c @@ -11,101 +11,24 @@ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* - * Purpose: The native VOL connector where access is to a single HDF5 file + * Purpose: The native VOL connector where access is to a single HDF5 file * using HDF5 VFDs. */ -#define H5D_FRIEND /* Suppress error about including H5Dpkg */ -#define H5F_FRIEND /* Suppress error about including H5Fpkg */ -#define H5G_FRIEND /* Suppress error about including H5Gpkg */ -#define H5L_FRIEND /* Suppress error about including H5Lpkg */ -#define H5O_FRIEND /* Suppress error about including H5Opkg */ -#define H5R_FRIEND /* Suppress error about including H5Rpkg */ -#define H5T_FRIEND /* Suppress error about including H5Tpkg */ - - #include "H5private.h" /* Generic Functions */ -#include "H5Dpkg.h" /* Datasets */ #include "H5Eprivate.h" /* Error handling */ -#include "H5Fpkg.h" /* Files */ -#include "H5Gpkg.h" /* Groups */ #include "H5Iprivate.h" /* IDs */ -#include "H5Lpkg.h" /* Links */ -#include "H5MFprivate.h" /* File memory management */ -#include "H5MMprivate.h" /* Memory management */ -#include "H5Opkg.h" /* Object headers */ #include "H5Pprivate.h" /* Property lists */ -#include "H5Rpkg.h" /* References */ -#include "H5SMprivate.h" /* Shared Object Header Messages */ -#include "H5Tpkg.h" /* Datatypes */ #include "H5VLprivate.h" /* Virtual Object Layer */ + #include "H5VLnative.h" /* Native VOL connector */ -/* - * The VOL connector identification number. - */ +/* The VOL connector identification number */ static hid_t H5VL_NATIVE_ID_g = H5I_INVALID_HID; - /* Prototypes */ static herr_t H5VL__native_term(void); -/* Dataset callbacks */ -static void *H5VL__native_dataset_create(void *obj, const H5VL_loc_params_t *loc_params, const char *name, hid_t dcpl_id, hid_t dapl_id, hid_t dxpl_id, void **req); -static void *H5VL__native_dataset_open(void *obj, const H5VL_loc_params_t *loc_params, const char *name, hid_t dapl_id, hid_t dxpl_id, void **req); -static herr_t H5VL__native_dataset_read(void *dset, hid_t mem_type_id, hid_t mem_space_id, - hid_t file_space_id, hid_t plist_id, void *buf, void **req); -static herr_t H5VL__native_dataset_write(void *dset, hid_t mem_type_id, hid_t mem_space_id, - hid_t file_space_id, hid_t plist_id, const void *buf, void **req); -static herr_t H5VL__native_dataset_get(void *dset, H5VL_dataset_get_t get_type, hid_t dxpl_id, void **req, va_list arguments); -static herr_t H5VL__native_dataset_specific(void *dset, H5VL_dataset_specific_t specific_type, hid_t dxpl_id, void **req, va_list arguments); -static herr_t H5VL__native_dataset_optional(void *dset, hid_t dxpl_id, void **req, va_list arguments); -static herr_t H5VL__native_dataset_close(void *dset, hid_t dxpl_id, void **req); - -/* File callbacks */ -static void *H5VL__native_file_create(const char *name, unsigned flags, hid_t fcpl_id, hid_t fapl_id, hid_t dxpl_id, void **req); -static void *H5VL__native_file_open(const char *name, unsigned flags, hid_t fapl_id, hid_t dxpl_id, void **req); -static herr_t H5VL__native_file_get(void *file, H5VL_file_get_t get_type, hid_t dxpl_id, void **req, va_list arguments); -static herr_t H5VL__native_file_specific(void *file, H5VL_file_specific_t specific_type, hid_t dxpl_id, void **req, va_list arguments); -static herr_t H5VL__native_file_optional(void *file, hid_t dxpl_id, void **req, va_list arguments); -static herr_t H5VL__native_file_close(void *file, hid_t dxpl_id, void **req); - -/* Group callbacks */ -static void *H5VL__native_group_create(void *obj, const H5VL_loc_params_t *loc_params, const char *name, hid_t gcpl_id, hid_t gapl_id, hid_t dxpl_id, void **req); -static void *H5VL__native_group_open(void *obj, const H5VL_loc_params_t *loc_params, const char *name, hid_t gapl_id, hid_t dxpl_id, void **req); -static herr_t H5VL__native_group_get(void *obj, H5VL_group_get_t get_type, hid_t dxpl_id, void **req, va_list arguments); -static herr_t H5VL__native_group_specific(void *obj, H5VL_group_specific_t specific_type, hid_t dxpl_id, void **req, va_list arguments); -static herr_t H5VL__native_group_optional(void *obj, hid_t dxpl_id, void **req, va_list arguments); -static herr_t H5VL__native_group_close(void *grp, hid_t dxpl_id, void **req); - -/* Link callbacks */ -static herr_t H5VL__native_link_create(H5VL_link_create_type_t create_type, void *obj, - const H5VL_loc_params_t *loc_params, hid_t lcpl_id, hid_t lapl_id, hid_t dxpl_id, void **req); -static herr_t H5VL__native_link_copy(void *src_obj, const H5VL_loc_params_t *loc_params1, - void *dst_obj, const H5VL_loc_params_t *loc_params2, - hid_t lcpl_id, hid_t lapl_id, hid_t dxpl_id, void **req); -static herr_t H5VL__native_link_move(void *src_obj, const H5VL_loc_params_t *loc_params1, - void *dst_obj, const H5VL_loc_params_t *loc_params2, - hid_t lcpl_id, hid_t lapl_id, hid_t dxpl_id, void **req); -static herr_t H5VL__native_link_get(void *obj, const H5VL_loc_params_t *loc_params, H5VL_link_get_t get_type, hid_t dxpl_id, void **req, va_list arguments); -static herr_t H5VL__native_link_specific(void *obj, const H5VL_loc_params_t *loc_params, H5VL_link_specific_t specific_type, hid_t dxpl_id, void **req, va_list arguments); - -/* Object callbacks */ -static void *H5VL__native_object_open(void *obj, const H5VL_loc_params_t *loc_params, H5I_type_t *opened_type, hid_t dxpl_id, void **req); -static herr_t H5VL__native_object_copy(void *src_obj, const H5VL_loc_params_t *loc_params1, const char *src_name, - void *dst_obj, const H5VL_loc_params_t *loc_params2, const char *dst_name, - hid_t ocpypl_id, hid_t lcpl_id, hid_t dxpl_id, void **req); -static herr_t H5VL__native_object_get(void *obj, const H5VL_loc_params_t *loc_params, H5VL_object_get_t get_type, hid_t dxpl_id, void **req, va_list arguments); -static herr_t H5VL__native_object_specific(void *obj, const H5VL_loc_params_t *loc_params, H5VL_object_specific_t specific_type, hid_t dxpl_id, void **req, va_list arguments); -static herr_t H5VL__native_object_optional(void *obj, hid_t dxpl_id, void **req, va_list arguments); - -/* Datatype callbacks */ -static void *H5VL__native_datatype_commit(void *obj, const 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 dxpl_id, void **req); -static void *H5VL__native_datatype_open(void *obj, const H5VL_loc_params_t *loc_params, const char *name, hid_t tapl_id, hid_t dxpl_id, void **req); -static herr_t H5VL__native_datatype_get(void *dt, H5VL_datatype_get_t get_type, hid_t dxpl_id, void **req, va_list arguments); -static herr_t H5VL__native_datatype_specific(void *dt, H5VL_datatype_specific_t specific_type, hid_t dxpl_id, void **req, va_list arguments); -static herr_t H5VL__native_datatype_close(void *dt, hid_t dxpl_id, void **req); - /* Native VOL connector class struct */ static H5VL_class_t H5VL_native_cls_g = { H5VL_NATIVE_VERSION, /* version */ @@ -198,7 +121,7 @@ static H5VL_class_t H5VL_native_cls_g = { /*------------------------------------------------------------------------- * Function: H5VL_native_register * - * Purpose: Register the native VOL connector and retrieve an ID for it. + * Purpose: Register the native VOL connector and retrieve an ID for it. * * Return: Success: The ID for the native connector * Failure: H5I_INVALID_HID @@ -245,2798 +168,3 @@ H5VL__native_term(void) FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5VL__native_term() */ - -/*------------------------------------------------------------------------- - * Function: H5VL__native_dataset_create - * - * Purpose: Creates a dataset in a native HDF5 file - * - * Return: Success: Pointer to a dataset struct - * Failure: NULL - * - *------------------------------------------------------------------------- - */ -static void * -H5VL__native_dataset_create(void *obj, const H5VL_loc_params_t *loc_params, - const char *name, hid_t dcpl_id, hid_t dapl_id, hid_t H5_ATTR_UNUSED dxpl_id, - void H5_ATTR_UNUSED **req) -{ - H5P_genplist_t *plist; /* Property list pointer */ - H5G_loc_t loc; /* Object location to insert dataset into */ - hid_t type_id = H5I_INVALID_HID; - hid_t space_id = H5I_INVALID_HID; - hid_t lcpl_id = H5I_INVALID_HID; - H5D_t *dset = NULL; /* New dataset's info */ - const H5S_t *space; /* Dataspace for dataset */ - void *ret_value; - - FUNC_ENTER_STATIC - - /* Get the plist structure */ - if(NULL == (plist = (H5P_genplist_t *)H5I_object(dcpl_id))) - HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, NULL, "can't find object for ID") - - /* Get creation properties */ - if(H5P_get(plist, H5VL_PROP_DSET_TYPE_ID, &type_id) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get property value for datatype id") - if(H5P_get(plist, H5VL_PROP_DSET_SPACE_ID, &space_id) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get property value for space id") - if(H5P_get(plist, H5VL_PROP_DSET_LCPL_ID, &lcpl_id) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get property value for lcpl id") - - /* Check arguments */ - if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object") - if(H5I_DATATYPE != H5I_get_type(type_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a datatype ID") - if(NULL == (space = (const H5S_t *)H5I_object_verify(space_id, H5I_DATASPACE))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a dataspace ID") - - /* H5Dcreate_anon */ - if(NULL == name) { - /* build and open the new dataset */ - if(NULL == (dset = H5D__create(loc.oloc->file, type_id, space, dcpl_id, dapl_id))) - HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "unable to create dataset") - } /* end if */ - /* H5Dcreate2 */ - else { - /* Create the new dataset & get its ID */ - if(NULL == (dset = H5D__create_named(&loc, name, type_id, space, lcpl_id, dcpl_id, dapl_id))) - HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "unable to create dataset") - } /* end else */ - - ret_value = (void *)dset; - -done: - if(NULL == name) { - /* Release the dataset's object header, if it was created */ - if(dset) { - H5O_loc_t *oloc; /* Object location for dataset */ - - /* Get the new dataset's object location */ - if(NULL == (oloc = H5D_oloc(dset))) - HDONE_ERROR(H5E_DATASET, H5E_CANTGET, NULL, "unable to get object location of dataset") - - /* Decrement refcount on dataset's object header in memory */ - if(H5O_dec_rc_by_loc(oloc) < 0) - HDONE_ERROR(H5E_DATASET, H5E_CANTDEC, NULL, "unable to decrement refcount on newly created object") - } /* end if */ - } /* end if */ - - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_dataset_create() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_dataset_open - * - * Purpose: Opens a dataset in a native HDF5 file. - * - * Return: Success: Pointer to a dataset struct - * Failure: NULL - * - *------------------------------------------------------------------------- - */ -static void * -H5VL__native_dataset_open(void *obj, const H5VL_loc_params_t *loc_params, const char *name, - hid_t dapl_id, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) -{ - H5D_t *dset = NULL; - H5G_loc_t loc; /* Object location of group */ - void *ret_value = NULL; - - FUNC_ENTER_STATIC - - if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object") - - /* Open the dataset */ - if(NULL == (dset = H5D__open_name(&loc, name, dapl_id))) - HGOTO_ERROR(H5E_DATASET, H5E_CANTOPENOBJ, NULL, "unable to open dataset") - - ret_value = (void *)dset; - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_dataset_open() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_dataset_read - * - * Purpose: Reads raw data from a dataset into a buffer. - * - * Return: SUCCEED/FAIL - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_dataset_read(void *obj, hid_t mem_type_id, hid_t mem_space_id, - hid_t file_space_id, hid_t H5_ATTR_UNUSED dxpl_id, void *buf, - void H5_ATTR_UNUSED **req) -{ - H5D_t *dset = (H5D_t *)obj; - const H5S_t *mem_space = NULL; - const H5S_t *file_space = NULL; - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - /* Check arguments */ - if(NULL == dset->oloc.file) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "dataset is not associated with a file") - - /* Get validated dataspace pointers */ - if(H5S_get_validated_dataspace(mem_space_id, &mem_space) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "could not get a validated dataspace from mem_space_id") - if(H5S_get_validated_dataspace(file_space_id, &file_space) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "could not get a validated dataspace from file_space_id") - - /* Read raw data */ - if(H5D__read(dset, mem_type_id, mem_space, file_space, buf/*out*/) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL, "can't read data") - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_dataset_read() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_dataset_write - * - * Purpose: Writes raw data from a buffer into a dataset. - * - * Return: SUCCEED/FAIL - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_dataset_write(void *obj, hid_t mem_type_id, hid_t mem_space_id, - hid_t file_space_id, hid_t H5_ATTR_UNUSED dxpl_id, const void *buf, - void H5_ATTR_UNUSED **req) -{ - H5D_t *dset = (H5D_t *)obj; - const H5S_t *mem_space = NULL; - const H5S_t *file_space = NULL; - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - /* check arguments */ - if(NULL == dset->oloc.file) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "dataset is not associated with a file") - - /* Get validated dataspace pointers */ - if(H5S_get_validated_dataspace(mem_space_id, &mem_space) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "could not get a validated dataspace from mem_space_id") - if(H5S_get_validated_dataspace(file_space_id, &file_space) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "could not get a validated dataspace from file_space_id") - - /* Write the data */ - if(H5D__write(dset, mem_type_id, mem_space, file_space, buf) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "can't write data") - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_dataset_write() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_dataset_get - * - * Purpose: Gets certain information about a dataset - * - * Return: SUCCEED/FAIL - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_dataset_get(void *obj, H5VL_dataset_get_t get_type, - hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) -{ - H5D_t *dset = (H5D_t *)obj; - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - switch(get_type) { - /* H5Dget_space */ - case H5VL_DATASET_GET_SPACE: - { - hid_t *ret_id = HDva_arg(arguments, hid_t *); - - if((*ret_id = H5D__get_space(dset)) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get space ID of dataset") - - break; - } - - /* H5Dget_space_statuc */ - case H5VL_DATASET_GET_SPACE_STATUS: - { - H5D_space_status_t *allocation = HDva_arg(arguments, H5D_space_status_t *); - - /* Read data space address and return */ - if(H5D__get_space_status(dset, allocation) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to get space status") - - break; - } - - /* H5Dget_type */ - case H5VL_DATASET_GET_TYPE: - { - hid_t *ret_id = HDva_arg(arguments, hid_t *); - - if((*ret_id = H5D__get_type(dset)) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get datatype ID of dataset") - - break; - } - - /* H5Dget_create_plist */ - case H5VL_DATASET_GET_DCPL: - { - hid_t *ret_id = HDva_arg(arguments, hid_t *); - - if((*ret_id = H5D_get_create_plist(dset)) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get creation property list for dataset") - - break; - } - - /* H5Dget_access_plist */ - case H5VL_DATASET_GET_DAPL: - { - hid_t *ret_id = HDva_arg(arguments, hid_t *); - - if((*ret_id = H5D_get_access_plist(dset)) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get access property list for dataset") - - break; - } - - /* H5Dget_storage_size */ - case H5VL_DATASET_GET_STORAGE_SIZE: - { - hsize_t *ret = HDva_arg(arguments, hsize_t *); - - /* Set return value */ - if(H5D__get_storage_size(dset, ret) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get size of dataset's storage") - break; - } - - /* H5Dget_offset */ - case H5VL_DATASET_GET_OFFSET: - { - haddr_t *ret = HDva_arg(arguments, haddr_t *); - - /* Set return value */ - *ret = H5D__get_offset(dset); - if(!H5F_addr_defined(*ret)) - *ret = HADDR_UNDEF; - break; - } - - default: - HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get this type of information from dataset") - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_dataset_get() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_dataset_specific - * - * Purpose: Specific operation on dataset - * - * Return: SUCCEED/FAIL - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_dataset_specific(void *obj, H5VL_dataset_specific_t specific_type, - hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) -{ - H5D_t *dset = (H5D_t *)obj; - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - switch(specific_type) { - /* H5Dspecific_space */ - case H5VL_DATASET_SET_EXTENT: - { - const hsize_t *size = HDva_arg(arguments, const hsize_t *); - - if(H5D__set_extent(dset, size) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to set extent of dataset") - break; - } - - case H5VL_DATASET_FLUSH: - { - hid_t dset_id = HDva_arg(arguments, hid_t); - - /* Flush the dataset */ - if(H5D__flush(dset, dset_id) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTFLUSH, FAIL, "unable to flush dataset") - - break; - } - - case H5VL_DATASET_REFRESH: - { - hid_t dset_id = HDva_arg(arguments, hid_t); - - /* Refresh the dataset */ - if((H5D__refresh(dset_id, dset)) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTLOAD, FAIL, "unable to refresh dataset") - - break; - } - - default: - HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid specific operation") - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_dataset_specific() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_dataset_optional - * - * Purpose: Perform a connector-specific operation on a native dataset - * - * Return: SUCCEED/FAIL - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_dataset_optional(void *obj, hid_t H5_ATTR_UNUSED dxpl_id, - void H5_ATTR_UNUSED **req, va_list arguments) -{ - H5D_t *dset = NULL; /* Dataset */ - H5VL_native_dataset_optional_t optional_type = HDva_arg(arguments, H5VL_native_dataset_optional_t); - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - switch(optional_type) { - case H5VL_NATIVE_DATASET_FORMAT_CONVERT: - { - dset = (H5D_t *)obj; - - switch(dset->shared->layout.type) { - case H5D_CHUNKED: - /* Convert the chunk indexing type to version 1 B-tree if not */ - if(dset->shared->layout.u.chunk.idx_type != H5D_CHUNK_IDX_BTREE) - if((H5D__format_convert(dset)) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTLOAD, FAIL, "unable to downgrade chunk indexing type for dataset") - break; - - case H5D_CONTIGUOUS: - case H5D_COMPACT: - /* Downgrade the layout version to 3 if greater than 3 */ - if(dset->shared->layout.version > H5O_LAYOUT_VERSION_DEFAULT) - if((H5D__format_convert(dset)) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTLOAD, FAIL, "unable to downgrade layout version for dataset") - break; - - case H5D_VIRTUAL: - /* Nothing to do even though layout is version 4 */ - break; - - case H5D_LAYOUT_ERROR: - case H5D_NLAYOUTS: - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid dataset layout type") - - default: - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "unknown dataset layout type") - } /* end switch */ - - break; - } - - case H5VL_NATIVE_DATASET_GET_CHUNK_INDEX_TYPE: - { - H5D_chunk_index_t *idx_type = HDva_arg(arguments, H5D_chunk_index_t *); - - dset = (H5D_t *)obj; - - /* Make sure the dataset is chunked */ - if(H5D_CHUNKED != dset->shared->layout.type) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a chunked dataset") - - /* Get the chunk indexing type */ - *idx_type = dset->shared->layout.u.chunk.idx_type; - - break; - } - - case H5VL_NATIVE_DATASET_GET_CHUNK_STORAGE_SIZE: - { - hsize_t *offset = HDva_arg(arguments, hsize_t *); - hsize_t *chunk_nbytes = HDva_arg(arguments, hsize_t *); - - dset = (H5D_t *)obj; - - /* Make sure the dataset is chunked */ - if(H5D_CHUNKED != dset->shared->layout.type) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a chunked dataset") - - /* Call private function */ - if(H5D__get_chunk_storage_size(dset, offset, chunk_nbytes) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get storage size of chunk") - - break; - } - - case H5VL_NATIVE_DATASET_CHUNK_READ: - { - const hsize_t *offset = HDva_arg(arguments, hsize_t *); - uint32_t *filters = HDva_arg(arguments, uint32_t *); - void *buf = HDva_arg(arguments, void *); - hsize_t offset_copy[H5O_LAYOUT_NDIMS]; /* Internal copy of chunk offset */ - - dset = (H5D_t *)obj; - - /* Check arguments */ - if(NULL == dset->oloc.file) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "dataset is not associated with a file") - if(H5D_CHUNKED != dset->shared->layout.type) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a chunked dataset") - - /* Copy the user's offset array so we can be sure it's terminated properly. - * (we don't want to mess with the user's buffer). - */ - if(H5D__get_offset_copy(dset, offset, offset_copy) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "failure to copy offset array") - - /* Read the raw chunk */ - if(H5D__chunk_direct_read(dset, offset_copy, filters, buf) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL, "can't read unprocessed chunk data") - - break; - } - - case H5VL_NATIVE_DATASET_CHUNK_WRITE: - { - uint32_t filters = HDva_arg(arguments, uint32_t); - const hsize_t *offset = HDva_arg(arguments, const hsize_t *); - uint32_t data_size_32 = HDva_arg(arguments, uint32_t); - const void *buf = HDva_arg(arguments, const void *); - hsize_t offset_copy[H5O_LAYOUT_NDIMS]; /* Internal copy of chunk offset */ - - dset = (H5D_t *)obj; - - /* Check arguments */ - if(NULL == dset->oloc.file) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "dataset is not associated with a file") - if(H5D_CHUNKED != dset->shared->layout.type) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a chunked dataset") - - /* Copy the user's offset array so we can be sure it's terminated properly. - * (we don't want to mess with the user's buffer). - */ - if(H5D__get_offset_copy(dset, offset, offset_copy) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "failure to copy offset array") - - /* Write chunk */ - if(H5D__chunk_direct_write(dset, filters, offset_copy, data_size_32, buf) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "can't write unprocessed chunk data") - - break; - } - - default: - HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid optional operation") - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_dataset_optional() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_dataset_close - * - * Purpose: Closes a dataset. - * - * Return: Success: SUCCEED - * Failure: FAIL (dataset will not be closed) - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_dataset_close(void *dset, hid_t H5_ATTR_UNUSED dxpl_id, - void H5_ATTR_UNUSED **req) -{ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - if(H5D_close((H5D_t*)dset) < 0) - HGOTO_ERROR(H5E_DATASET, H5E_CANTDEC, FAIL, "can't close dataset") - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_dataset_close() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_file_create - * - * Purpose: Creates a file as a native HDF5 file. - * - * Return: Success: A pointer to an H5F_t file struct - * - * Failure: NULL - * - *------------------------------------------------------------------------- - */ -static void * -H5VL__native_file_create(const char *name, unsigned flags, hid_t fcpl_id, hid_t fapl_id, - hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) -{ - H5F_t *new_file = NULL; - void *ret_value = NULL; - - FUNC_ENTER_STATIC - - /* Adjust bit flags by turning on the creation bit and making sure that - * the EXCL or TRUNC bit is set. All newly-created files are opened for - * reading and writing. - */ - if(0 == (flags & (H5F_ACC_EXCL|H5F_ACC_TRUNC))) - flags |= H5F_ACC_EXCL; /*default*/ - flags |= H5F_ACC_RDWR | H5F_ACC_CREAT; - - /* Create the file */ - if(NULL == (new_file = H5F_open(name, flags, fcpl_id, fapl_id))) - HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to create file") - new_file->id_exists = TRUE; - - ret_value = (void *)new_file; - -done: - if(NULL == ret_value && new_file) - if(H5F__close(new_file) < 0) - HDONE_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, NULL, "problems closing file") - - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_file_create() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_file_open - * - * Purpose: Opens a file as a native HDF5 file. - * - * Return: Success: A pointer to an H5F_t file struct - * - * Failure: NULL - * - *------------------------------------------------------------------------- - */ -static void * -H5VL__native_file_open(const char *name, unsigned flags, hid_t fapl_id, - hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) -{ - H5F_t *new_file = NULL; - void *ret_value = NULL; - - FUNC_ENTER_STATIC - - /* Open the file */ - if(NULL == (new_file = H5F_open(name, flags, H5P_FILE_CREATE_DEFAULT, fapl_id))) - HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to open file") - new_file->id_exists = TRUE; - - ret_value = (void *)new_file; - -done: - if(NULL == ret_value && new_file && H5F_try_close(new_file, NULL) < 0) - HDONE_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, NULL, "problems closing file") - - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_file_open() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_file_get - * - * Purpose: Get info about a file - * - * Return: SUCCEED/FAIL - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_file_get(void *obj, H5VL_file_get_t get_type, - hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) -{ - H5F_t *f = NULL; /* File struct */ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - switch(get_type) { - /* H5Fget_access_plist */ - case H5VL_FILE_GET_FAPL: - { - H5P_genplist_t *new_plist; /* New property list */ - hid_t *plist_id = HDva_arg(arguments, hid_t *); - - f = (H5F_t *)obj; - - /* Retrieve the file's access property list */ - if((*plist_id = H5F_get_access_plist(f, TRUE)) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get file access property list") - - if(NULL == (new_plist = (H5P_genplist_t *)H5I_object(*plist_id))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list") - break; - } - - /* H5Fget_create_plist */ - case H5VL_FILE_GET_FCPL: - { - H5P_genplist_t *plist; /* Property list */ - hid_t *plist_id = HDva_arg(arguments, hid_t *); - - f = (H5F_t *)obj; - if(NULL == (plist = (H5P_genplist_t *)H5I_object(f->shared->fcpl_id))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list") - - /* Create the property list object to return */ - if((*plist_id = H5P_copy_plist(plist, TRUE)) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "unable to copy file creation properties") - - break; - } - - /* H5Fget_obj_count */ - case H5VL_FILE_GET_OBJ_COUNT: - { - unsigned types = HDva_arg(arguments, unsigned); - ssize_t *ret = HDva_arg(arguments, ssize_t *); - size_t obj_count = 0; /* Number of opened objects */ - - f = (H5F_t *)obj; - /* Perform the query */ - if(H5F_get_obj_count(f, types, TRUE, &obj_count) < 0) - HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "H5F_get_obj_count failed") - - /* Set the return value */ - *ret = (ssize_t)obj_count; - break; - } - - /* H5Fget_obj_ids */ - case H5VL_FILE_GET_OBJ_IDS: - { - unsigned types = HDva_arg(arguments, unsigned); - size_t max_objs = HDva_arg(arguments, size_t); - hid_t *oid_list = HDva_arg(arguments, hid_t *); - ssize_t *ret = HDva_arg(arguments, ssize_t *); - size_t obj_count = 0; /* Number of opened objects */ - - f = (H5F_t *)obj; - /* Perform the query */ - if(H5F_get_obj_ids(f, types, max_objs, oid_list, TRUE, &obj_count) < 0) - HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "H5F_get_obj_ids failed") - - /* Set the return value */ - *ret = (ssize_t)obj_count; - break; - } - - /* H5Fget_intent */ - case H5VL_FILE_GET_INTENT: - { - unsigned *intent_flags = HDva_arg(arguments, unsigned *); - - f = (H5F_t *)obj; - - /* HDF5 uses some flags internally that users don't know about. - * Simplify things for them so that they only get either H5F_ACC_RDWR - * or H5F_ACC_RDONLY and any SWMR flags. - */ - if(H5F_INTENT(f) & H5F_ACC_RDWR) { - *intent_flags = H5F_ACC_RDWR; - - /* Check for SWMR write access on the file */ - if(H5F_INTENT(f) & H5F_ACC_SWMR_WRITE) - *intent_flags |= H5F_ACC_SWMR_WRITE; - } /* end if */ - else { - *intent_flags = H5F_ACC_RDONLY; - - /* Check for SWMR read access on the file */ - if(H5F_INTENT(f) & H5F_ACC_SWMR_READ) - *intent_flags |= H5F_ACC_SWMR_READ; - } /* end else */ - - break; - } - - /* H5Fget_name */ - case H5VL_FILE_GET_NAME: - { - H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */ - size_t size = HDva_arg(arguments, size_t); - char *name = HDva_arg(arguments, char *); - ssize_t *ret = HDva_arg(arguments, ssize_t *); - size_t len; - - if(NULL == (f = H5F__get_file(obj, type))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - len = HDstrlen(H5F_OPEN_NAME(f)); - - if(name) { - HDstrncpy(name, H5F_OPEN_NAME(f), MIN(len + 1,size)); - if(len >= size) - name[size-1]='\0'; - } /* end if */ - - /* Set the return value for the API call */ - *ret = (ssize_t)len; - break; - } - - default: - HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get this type of information") - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_file_get() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_file_specific - * - * Purpose: Specific operation on file - * - * Return: SUCCEED/FAIL - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_file_specific(void *obj, H5VL_file_specific_t specific_type, - hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) -{ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - switch(specific_type) { - /* H5Fflush */ - case H5VL_FILE_FLUSH: - { - H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */ - H5F_scope_t scope = (H5F_scope_t)HDva_arg(arguments, int); /* enum work-around */ - H5F_t *f = NULL; /* File to flush */ - - /* Get the file for the object */ - if(NULL == (f = H5F__get_file(obj, type))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - /* Nothing to do if the file is read only. This determination is - * made at the shared open(2) flags level, implying that opening a - * file twice, once for read-only and once for read-write, and then - * calling H5Fflush() with the read-only handle, still causes data - * to be flushed. - */ - if(H5F_ACC_RDWR & H5F_INTENT(f)) { - /* Flush other files, depending on scope */ - if(H5F_SCOPE_GLOBAL == scope) { - /* Call the flush routine for mounted file hierarchies */ - if(H5F_flush_mounts(f) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush mounted file hierarchy") - } /* end if */ - else { - /* Call the flush routine, for this file */ - if(H5F__flush(f) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush file's cached information") - } /* end else */ - } /* end if */ - break; - } - - /* H5Freopen */ - case H5VL_FILE_REOPEN: - { - void **ret = HDva_arg(arguments, void **); - H5F_t *new_file = NULL; - - /* Reopen the file through the VOL connector */ - if(NULL == (new_file = H5F__reopen((H5F_t *)obj))) - HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to reopen file") - new_file->id_exists = TRUE; - - *ret = (void *)new_file; - break; - } - - /* H5Fmount */ - case H5VL_FILE_MOUNT: - { - H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */ - const char *name = HDva_arg(arguments, const char *); - H5F_t *child = HDva_arg(arguments, H5F_t *); - hid_t plist_id = HDva_arg(arguments, hid_t); - H5G_loc_t loc; - - if(H5G_loc_real(obj, type, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - /* Do the mount */ - if(H5F__mount(&loc, name, child, plist_id) < 0) - HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "unable to mount file") - - break; - } - - /* H5Funmount */ - case H5VL_FILE_UNMOUNT: - { - H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */ - const char *name = HDva_arg(arguments, const char *); - H5G_loc_t loc; - - if(H5G_loc_real(obj, type, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - /* Unmount */ - if(H5F__unmount(&loc, name) < 0) - HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "unable to unmount file") - - break; - } - - /* H5Fis_accessible */ - case H5VL_FILE_IS_ACCESSIBLE: - { - hid_t fapl_id = HDva_arg(arguments, hid_t); - const char *name = HDva_arg(arguments, const char *); - htri_t *ret = HDva_arg(arguments, htri_t *); - - /* Call private routine */ - if((*ret = H5F__is_hdf5(name, fapl_id)) < 0) - HGOTO_ERROR(H5E_IO, H5E_CANTINIT, FAIL, "error in HDF5 file check") - break; - } - - default: - HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid specific operation") - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_file_specific() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_file_optional - * - * Purpose: Perform a connector-specific operation on a native file - * - * Return: SUCCEED/FAIL - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_file_optional(void *obj, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) -{ - H5F_t *f = NULL; /* File */ - H5VL_native_file_optional_t optional_type = HDva_arg(arguments, H5VL_native_file_optional_t); - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - f = (H5F_t *)obj; - switch(optional_type) { - /* H5Fget_filesize */ - case H5VL_NATIVE_FILE_GET_SIZE: - { - haddr_t max_eof_eoa; /* Maximum of the EOA & EOF */ - haddr_t base_addr; /* Base address for the file */ - hsize_t *size = HDva_arg(arguments, hsize_t *); - - /* Go get the actual file size */ - if(H5F__get_max_eof_eoa(f, &max_eof_eoa) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "file can't get max eof/eoa ") - - base_addr = H5FD_get_base_addr(f->shared->lf); - - if(size) - *size = (hsize_t)(max_eof_eoa + base_addr); /* Convert relative base address for file to absolute address */ - - break; - } - - /* H5Fget_file_image */ - case H5VL_NATIVE_FILE_GET_FILE_IMAGE: - { - void *buf_ptr = HDva_arg(arguments, void *); - ssize_t *ret = HDva_arg(arguments, ssize_t *); - size_t buf_len = HDva_arg(arguments, size_t ); - - /* Do the actual work */ - if((*ret = H5F__get_file_image(f, buf_ptr, buf_len)) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "get file image failed") - break; - } - - /* H5Fget_freespace */ - case H5VL_NATIVE_FILE_GET_FREE_SPACE: - { - hsize_t tot_space; /* Amount of free space in the file */ - hssize_t *ret = HDva_arg(arguments, hssize_t *); - - /* Go get the actual amount of free space in the file */ - if(H5MF_get_freespace(f, &tot_space, NULL) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to check free space for file") - *ret = (hssize_t)tot_space; - break; - } - - /* H5Fget_free_sections */ - case H5VL_NATIVE_FILE_GET_FREE_SECTIONS: - { - H5F_sect_info_t *sect_info = HDva_arg(arguments, H5F_sect_info_t *); - ssize_t *ret = HDva_arg(arguments, ssize_t *); - H5F_mem_t type = (H5F_mem_t)HDva_arg(arguments, int); /* enum work-around */ - size_t nsects = HDva_arg(arguments, size_t); - - /* Go get the free-space section information in the file */ - if((*ret = H5MF_get_free_sections(f, type, nsects, sect_info)) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to check free space for file") - break; - } - - /* H5Fget_info1/2 */ - case H5VL_NATIVE_FILE_GET_INFO: - { - H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */ - H5F_info2_t *finfo = HDva_arg(arguments, H5F_info2_t *); - - /* Get the file struct. This call is careful to not return the file pointer - * for the top file in a mount hierarchy. - */ - if(NULL == (f = H5F__get_file(obj, type))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "could not get a file struct") - - /* Get the file info */ - if(H5F__get_info(f, finfo) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to retrieve file info") - - break; - } - - /* H5Fget_mdc_config */ - case H5VL_NATIVE_FILE_GET_MDC_CONF: - { - H5AC_cache_config_t *config_ptr = HDva_arg(arguments, H5AC_cache_config_t *); - - /* Go get the resize configuration */ - if(H5AC_get_cache_auto_resize_config(f->shared->cache, config_ptr) < 0) - HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "H5AC_get_cache_auto_resize_config() failed.") - break; - } - - /* H5Fget_mdc_hit_rate */ - case H5VL_NATIVE_FILE_GET_MDC_HR: - { - double *hit_rate_ptr = HDva_arg(arguments, double *); - - /* Go get the current hit rate */ - if(H5AC_get_cache_hit_rate(f->shared->cache, hit_rate_ptr) < 0) - HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "H5AC_get_cache_hit_rate() failed.") - break; - } - - /* H5Fget_mdc_size */ - case H5VL_NATIVE_FILE_GET_MDC_SIZE: - { - size_t *max_size_ptr = HDva_arg(arguments, size_t *); - size_t *min_clean_size_ptr = HDva_arg(arguments, size_t *); - size_t *cur_size_ptr = HDva_arg(arguments, size_t *); - int *cur_num_entries_ptr = HDva_arg(arguments, int *); - uint32_t cur_num_entries; - - /* Go get the size data */ - if(H5AC_get_cache_size(f->shared->cache, max_size_ptr, min_clean_size_ptr, - cur_size_ptr, &cur_num_entries) < 0) - HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "H5AC_get_cache_size() failed.") - - if(cur_num_entries_ptr != NULL) - *cur_num_entries_ptr = (int)cur_num_entries; - break; - } - - /* H5Fget_vfd_handle */ - case H5VL_NATIVE_FILE_GET_VFD_HANDLE: - { - void **file_handle = HDva_arg(arguments, void **); - hid_t fapl_id = HDva_arg(arguments, hid_t); - - /* Retrieve the VFD handle for the file */ - if(H5F_get_vfd_handle(f, fapl_id, file_handle) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve VFD handle") - break; - } - - /* H5Iget_file_id */ - case H5VL_NATIVE_FILE_GET_FILE_ID: - { - H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */ - hid_t *file_id = HDva_arg(arguments, hid_t *); - - if(NULL == (f = H5F__get_file(obj, type))) - HGOTO_ERROR(H5E_FILE, H5E_BADTYPE, FAIL, "not a file or file object") - if((*file_id = H5F__get_file_id(f)) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't get file ID") - break; - } - - /* H5Fclear_elink_file_cache */ - case H5VL_NATIVE_FILE_CLEAR_ELINK_CACHE: - { - /* Release the EFC */ - if(f->shared->efc) - if(H5F__efc_release(f->shared->efc) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "can't release external file cache") - break; - } - - /* H5Freset_mdc_hit_rate_stats */ - case H5VL_NATIVE_FILE_RESET_MDC_HIT_RATE: - { - /* Reset the hit rate statistic */ - if(H5AC_reset_cache_hit_rate_stats(f->shared->cache) < 0) - HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "can't reset cache hit rate") - break; - } - - /* H5Fset_mdc_config */ - case H5VL_NATIVE_FILE_SET_MDC_CONFIG: - { - H5AC_cache_config_t *config_ptr = HDva_arg(arguments, H5AC_cache_config_t *); - - /* set the resize configuration */ - if(H5AC_set_cache_auto_resize_config(f->shared->cache, config_ptr) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "H5AC_set_cache_auto_resize_config() failed") - break; - } - - /* H5Fget_metadata_read_retry_info */ - case H5VL_NATIVE_FILE_GET_METADATA_READ_RETRY_INFO: - { - H5F_retry_info_t *info = HDva_arg(arguments, H5F_retry_info_t *); - - if(H5F_get_metadata_read_retry_info(f, info) < 0) - HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "can't get metadata read retry info") - - break; - } - - /* H5Fstart_swmr_write */ - case H5VL_NATIVE_FILE_START_SWMR_WRITE: - { - if(H5F__start_swmr_write(f) < 0) - HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "can't start SWMR write") - - break; - } - - /* H5Fstart_mdc_logging */ - case H5VL_NATIVE_FILE_START_MDC_LOGGING: - { - /* Call mdc logging function */ - if(H5C_start_logging(f->shared->cache) < 0) - HGOTO_ERROR(H5E_FILE, H5E_LOGFAIL, FAIL, "unable to start mdc logging") - - break; - } - - /* H5Fstop_mdc_logging */ - case H5VL_NATIVE_FILE_STOP_MDC_LOGGING: - { - /* Call mdc logging function */ - if(H5C_stop_logging(f->shared->cache) < 0) - HGOTO_ERROR(H5E_FILE, H5E_LOGFAIL, FAIL, "unable to stop mdc logging") - - break; - } - - /* H5Fget_mdc_logging_status */ - case H5VL_NATIVE_FILE_GET_MDC_LOGGING_STATUS: - { - hbool_t *is_enabled = HDva_arg(arguments, hbool_t *); - hbool_t *is_currently_logging = HDva_arg(arguments, hbool_t *); - - /* Call mdc logging function */ - if(H5C_get_logging_status(f->shared->cache, is_enabled, is_currently_logging) < 0) - HGOTO_ERROR(H5E_FILE, H5E_LOGFAIL, FAIL, "unable to get logging status") - - break; - } - - /* H5Fformat_convert */ - case H5VL_NATIVE_FILE_FORMAT_CONVERT: - { - /* Convert the format */ - if(H5F__format_convert(f) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTCONVERT, FAIL, "can't convert file format") - - break; - } - - /* H5Freset_page_buffering_stats */ - case H5VL_NATIVE_FILE_RESET_PAGE_BUFFERING_STATS: - { - /* Sanity check */ - if(NULL == f->shared->page_buf) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "page buffering not enabled on file") - - /* Reset the statistics */ - if (H5PB_reset_stats(f->shared->page_buf) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't reset stats for page buffering") - - break; - } - - /* H5Fget_page_buffering_stats */ - case H5VL_NATIVE_FILE_GET_PAGE_BUFFERING_STATS: - { - unsigned *accesses = HDva_arg(arguments, unsigned *); - unsigned *hits = HDva_arg(arguments, unsigned *); - unsigned *misses = HDva_arg(arguments, unsigned *); - unsigned *evictions = HDva_arg(arguments, unsigned *); - unsigned *bypasses = HDva_arg(arguments, unsigned *); - - /* Sanity check */ - if(NULL == f->shared->page_buf) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "page buffering not enabled on file") - - /* Get the statistics */ - if(H5PB_get_stats(f->shared->page_buf, accesses, hits, misses, evictions, bypasses) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve stats for page buffering") - - break; - } - - /* H5Fget_mdc_image_info */ - case H5VL_NATIVE_FILE_GET_MDC_IMAGE_INFO: - { - haddr_t *image_addr = HDva_arg(arguments, haddr_t *); - hsize_t *image_len = HDva_arg(arguments, hsize_t *); - - /* Go get the address and size of the cache image */ - if(H5AC_get_mdc_image_info(f->shared->cache, image_addr, image_len) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve cache image info") - - break; - } - - /* H5Fget_eoa */ - case H5VL_NATIVE_FILE_GET_EOA: - { - haddr_t *eoa = HDva_arg(arguments, haddr_t *); - haddr_t rel_eoa; /* Relative address of EOA */ - - /* Sanity check */ - HDassert(eoa); - - /* This routine will work only for drivers with this feature enabled.*/ - /* We might introduce a new feature flag in the future */ - if(!H5F_HAS_FEATURE(f, H5FD_FEAT_SUPPORTS_SWMR_IO)) - HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "must use a SWMR-compatible VFD for this public routine") - - /* The real work */ - if(HADDR_UNDEF == (rel_eoa = H5F_get_eoa(f, H5FD_MEM_DEFAULT))) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "get_eoa request failed") - - /* Set return value */ - /* (Note compensating for base address subtraction in internal routine) */ - *eoa = rel_eoa + H5F_get_base_addr(f); - - break; - } - - /* H5Fincrement_filesize */ - case H5VL_NATIVE_FILE_INCR_FILESIZE: - { - hsize_t increment = HDva_arg(arguments, hsize_t); - haddr_t max_eof_eoa; /* Maximum of the relative EOA & EOF */ - - /* This public routine will work only for drivers with this feature enabled.*/ - /* We might introduce a new feature flag in the future */ - if(!H5F_HAS_FEATURE(f, H5FD_FEAT_SUPPORTS_SWMR_IO)) - HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "must use a SWMR-compatible VFD for this public routine") - - /* Get the maximum of EOA and EOF */ - if(H5F__get_max_eof_eoa(f, &max_eof_eoa) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "file can't get max eof/eoa ") - - /* Set EOA to the maximum value + increment */ - if(H5F__set_eoa(f, H5FD_MEM_DEFAULT, max_eof_eoa + increment) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "driver set_eoa request failed") - - break; - } - - /* H5Fset_latest_format, H5Fset_libver_bounds */ - case H5VL_NATIVE_FILE_SET_LIBVER_BOUNDS: - { - H5F_libver_t low = (H5F_libver_t)HDva_arg(arguments, int); /* enum work-around */ - H5F_libver_t high = (H5F_libver_t)HDva_arg(arguments, int); /* enum work-around */ - - /* Call internal set_libver_bounds function */ - if(H5F__set_libver_bounds(f, low, high) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "cannot set low/high bounds") - - break; - } - - default: - HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid optional operation") - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_file_optional() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_file_close - * - * Purpose: Closes a file. - * - * Return: SUCCEED/FAIL (the file will not be closed on failure) - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_file_close(void *file, hid_t H5_ATTR_UNUSED dxpl_id, - void H5_ATTR_UNUSED **req) -{ - int nref; - H5F_t *f = (H5F_t *)file; - hid_t file_id = H5I_INVALID_HID; - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - /* This routine should only be called when a file ID's ref count drops to zero */ - HDassert(H5F_ID_EXISTS(f)); - - /* Flush file if this is the last reference to this id and we have write - * intent, unless it will be flushed by the "shared" file being closed. - * This is only necessary to replicate previous behaviour, and could be - * disabled by an option/property to improve performance. - */ - if((H5F_NREFS(f) > 1) && (H5F_INTENT(f) & H5F_ACC_RDWR)) { - /* Get the file ID corresponding to the H5F_t struct */ - if(H5I_find_id(f, H5I_FILE, &file_id) < 0 || H5I_INVALID_HID == file_id) - HGOTO_ERROR(H5E_ATOM, H5E_CANTGET, FAIL, "invalid atom") - - /* Get the number of references outstanding for this file ID */ - if((nref = H5I_get_ref(file_id, FALSE)) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_CANTGET, FAIL, "can't get ID ref count") - if(nref == 1) - if(H5F__flush(f) < 0) - HGOTO_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "unable to flush cache") - } /* end if */ - - /* Close the file */ - if(H5F__close(f) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTDEC, FAIL, "can't close file") - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_file_close() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_group_create - * - * Purpose: Creates a group inside a native h5 file. - * - * Return: Success: Pointer to a group struct - * - * Failure: NULL - * - *------------------------------------------------------------------------- - */ -static void * -H5VL__native_group_create(void *obj, const H5VL_loc_params_t *loc_params, const char *name, - hid_t gcpl_id, hid_t H5_ATTR_UNUSED gapl_id, hid_t H5_ATTR_UNUSED dxpl_id, - void H5_ATTR_UNUSED **req) -{ - H5P_genplist_t *plist; /* Property list pointer */ - H5G_loc_t loc; /* Location to create group */ - H5G_t *grp = NULL; /* New group created */ - hid_t lcpl_id; - void *ret_value; - - FUNC_ENTER_STATIC - - /* Get the property list structure */ - if(NULL == (plist = (H5P_genplist_t *)H5I_object(gcpl_id))) - HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, NULL, "can't find object for ID") - - /* Get creation properties */ - if(H5P_get(plist, H5VL_PROP_GRP_LCPL_ID, &lcpl_id) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get property value for lcpl id") - - /* Set up the location */ - if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object") - - /* if name is NULL then this is from H5Gcreate_anon */ - if(name == NULL) { - H5G_obj_create_t gcrt_info; /* Information for group creation */ - - /* Set up group creation info */ - gcrt_info.gcpl_id = gcpl_id; - gcrt_info.cache_type = H5G_NOTHING_CACHED; - HDmemset(&gcrt_info.cache, 0, sizeof(gcrt_info.cache)); - - /* Create the new group & get its ID */ - if(NULL == (grp = H5G__create(loc.oloc->file, &gcrt_info))) - HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, NULL, "unable to create group") - } /* end if */ - /* otherwise it's from H5Gcreate */ - else { - /* Create the new group & get its ID */ - if(NULL == (grp = H5G__create_named(&loc, name, lcpl_id, gcpl_id))) - HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, NULL, "unable to create group") - } /* end else */ - - ret_value = (void *)grp; - -done: - if(name == NULL) { - /* Release the group's object header, if it was created */ - if(grp) { - H5O_loc_t *oloc; /* Object location for group */ - - /* Get the new group's object location */ - if(NULL == (oloc = H5G_oloc(grp))) - HDONE_ERROR(H5E_SYM, H5E_CANTGET, NULL, "unable to get object location of group") - - /* Decrement refcount on group's object header in memory */ - if(H5O_dec_rc_by_loc(oloc) < 0) - HDONE_ERROR(H5E_SYM, H5E_CANTDEC, NULL, "unable to decrement refcount on newly created object") - } /* end if */ - } /* end if */ - - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_group_create() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_group_open - * - * Purpose: Opens a group inside a native h5 file. - * - * Return: Success: Pointer to a group struct - * - * Failure: NULL - * - *------------------------------------------------------------------------- - */ -static void * -H5VL__native_group_open(void *obj, const H5VL_loc_params_t *loc_params, const char *name, - hid_t H5_ATTR_UNUSED gapl_id, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) -{ - H5G_loc_t loc; /* Location to open group */ - H5G_t *grp = NULL; /* New group opend */ - void *ret_value; - - FUNC_ENTER_STATIC - - /* Set up the location */ - if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object") - - /* Open the group */ - if((grp = H5G__open_name(&loc, name)) == NULL) - HGOTO_ERROR(H5E_SYM, H5E_CANTOPENOBJ, NULL, "unable to open group") - - ret_value = (void *)grp; - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_group_open() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_group_get - * - * Purpose: Get info about a group - * - * Return: SUCCEED/FAIL - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_group_get(void *obj, H5VL_group_get_t get_type, - hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) -{ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - switch(get_type) { - /* H5Gget_create_plist */ - case H5VL_GROUP_GET_GCPL: - { - hid_t *new_gcpl_id = HDva_arg(arguments, hid_t *); - H5G_t *grp = (H5G_t *)obj; - - if((*new_gcpl_id = H5G_get_create_plist(grp)) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get creation property list for group") - break; - } - - /* H5Gget_info */ - case H5VL_GROUP_GET_INFO: - { - const H5VL_loc_params_t *loc_params = HDva_arg(arguments, const H5VL_loc_params_t *); - H5G_info_t *group_info = HDva_arg(arguments, H5G_info_t *); - H5G_loc_t loc; - - if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - if(loc_params->type == H5VL_OBJECT_BY_SELF) { - /* H5Gget_info */ - - /* Retrieve the group's information */ - if(H5G__obj_info(loc.oloc, group_info) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "can't retrieve group info") - } /* end if */ - else if(loc_params->type == H5VL_OBJECT_BY_NAME) { - /* H5Gget_info_by_name */ - - /* Retrieve the group's information */ - if(H5G__get_info_by_name(&loc, loc_params->loc_data.loc_by_name.name, group_info) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "can't retrieve group info") - } /* end else-if */ - else if(loc_params->type == H5VL_OBJECT_BY_IDX) { - /* H5Gget_info_by_idx */ - - /* Retrieve the group's information */ - if(H5G__get_info_by_idx(&loc, loc_params->loc_data.loc_by_idx.name, loc_params->loc_data.loc_by_idx.idx_type, - loc_params->loc_data.loc_by_idx.order, loc_params->loc_data.loc_by_idx.n, group_info) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "can't retrieve group info") - } /* end else-if */ - else - HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown get info parameters") - break; - } - - default: - HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get this type of information from group") - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_group_get() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_group_specific - * - * Purpose: Specific operations for groups - * - * Return: SUCCEED/FAIL - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_group_specific(void *obj, H5VL_group_specific_t specific_type, - hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) -{ - H5G_t *grp = (H5G_t *)obj; - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - switch(specific_type) { - case H5VL_GROUP_FLUSH: - { - hid_t group_id = HDva_arg(arguments, hid_t); - - /* Flush object's metadata to file */ - if(H5O_flush_common(&grp->oloc, group_id) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTFLUSH, FAIL, "unable to flush group") - - break; - } - - case H5VL_GROUP_REFRESH: - { - hid_t group_id = HDva_arg(arguments, hid_t); - - /* Call private function to refresh group object */ - if((H5O_refresh_metadata(group_id, grp->oloc)) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, FAIL, "unable to refresh group") - - break; - } - - default: - HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid specific operation") - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_group_specific() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_group_optional - * - * Purpose: Perform a connector-specific operation on a native group - * - * Return: SUCCEED/FAIL - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_group_optional(void *obj, hid_t H5_ATTR_UNUSED dxpl_id, - void H5_ATTR_UNUSED **req, va_list arguments) -{ - H5VL_native_group_optional_t optional_type; - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - optional_type = HDva_arg(arguments, H5VL_native_group_optional_t); - switch(optional_type) { -#ifndef H5_NO_DEPRECATED_SYMBOLS - /* H5Giterate (deprecated) */ - case H5VL_NATIVE_GROUP_ITERATE_OLD: - { - const H5VL_loc_params_t *loc_params = HDva_arg(arguments, const H5VL_loc_params_t *); - hsize_t idx = HDva_arg(arguments, hsize_t); - hsize_t *last_obj = HDva_arg(arguments, hsize_t *); - const H5G_link_iterate_t *lnk_op = HDva_arg(arguments, const H5G_link_iterate_t *); - void *op_data = HDva_arg(arguments, void *); - H5G_loc_t grp_loc; - - /* Get the location struct for the object */ - if(H5G_loc_real(obj, loc_params->obj_type, &grp_loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - /* Call the actual iteration routine */ - if((ret_value = H5G_iterate(&grp_loc, loc_params->loc_data.loc_by_name.name, H5_INDEX_NAME, H5_ITER_INC, idx, last_obj, lnk_op, op_data)) < 0) - HERROR(H5E_VOL, H5E_BADITER, "error iterating over group's links"); - - break; - } - - /* H5Gget_objinfo (deprecated) */ - case H5VL_NATIVE_GROUP_GET_OBJINFO: - { - const H5VL_loc_params_t *loc_params = HDva_arg(arguments, const H5VL_loc_params_t *); - hbool_t follow_link = (hbool_t)HDva_arg(arguments, unsigned); - H5G_stat_t *statbuf = HDva_arg(arguments, H5G_stat_t *); - H5G_loc_t grp_loc; - - /* Get the location struct for the object */ - if(H5G_loc_real(obj, loc_params->obj_type, &grp_loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - /* Call the actual group objinfo routine */ - if(H5G__get_objinfo(&grp_loc, loc_params->loc_data.loc_by_name.name, follow_link, statbuf) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "cannot stat object") - - break; - } -#endif /* H5_NO_DEPRECATED_SYMBOLS */ - - default: - HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid optional operation") - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_group_optional() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_group_close - * - * Purpose: Closes a group. - * - * Return: SUCCEED/FAIL (the group will not be closed on failure) - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_group_close(void *grp, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) -{ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - if(H5G_close((H5G_t *)grp) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CLOSEERROR, FAIL, "can't close group") - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_group_close() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_link_create - * - * Purpose: Creates an hard/soft/UD/external links. - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Mohamad Chaarawi - * April, 2012 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_link_create(H5VL_link_create_type_t create_type, void *obj, - const H5VL_loc_params_t *loc_params, hid_t lcpl_id, hid_t H5_ATTR_UNUSED lapl_id, - hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) -{ - H5P_genplist_t *plist; /* Property list pointer */ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - /* Get the plist structure */ - if(NULL == (plist = (H5P_genplist_t *)H5I_object(lcpl_id))) - HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID"); - - switch(create_type) { - case H5VL_LINK_CREATE_HARD: - { - H5G_loc_t cur_loc; - H5G_loc_t link_loc; - void *cur_obj; - H5VL_loc_params_t cur_params; - - if(H5P_get(plist, H5VL_PROP_LINK_TARGET, &cur_obj) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get property value for current location id") - if(H5P_get(plist, H5VL_PROP_LINK_TARGET_LOC_PARAMS, &cur_params) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get property value for current name") - - if(NULL != cur_obj && H5G_loc_real(cur_obj, cur_params.obj_type, &cur_loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - if(NULL != obj && H5G_loc_real(obj, loc_params->obj_type, &link_loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - /* H5Lcreate_hard */ - if(H5VL_OBJECT_BY_NAME == cur_params.type) { - H5G_loc_t *cur_loc_p, *link_loc_p; - - /* Set up current & new location pointers */ - cur_loc_p = &cur_loc; - link_loc_p = &link_loc; - if(NULL == cur_obj) - cur_loc_p = link_loc_p; - else if(NULL == obj) - link_loc_p = cur_loc_p; - else if(cur_loc_p->oloc->file != link_loc_p->oloc->file) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "source and destination should be in the same file.") - - /* Create the link */ - if((ret_value = H5L_create_hard(cur_loc_p, cur_params.loc_data.loc_by_name.name, - link_loc_p, loc_params->loc_data.loc_by_name.name, lcpl_id)) < 0) - HGOTO_ERROR(H5E_LINK, H5E_CANTINIT, FAIL, "unable to create link") - } /* end if */ - else { /* H5Olink */ - /* Link to the object */ - if(H5L_link(&link_loc, loc_params->loc_data.loc_by_name.name, &cur_loc, lcpl_id) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to create link") - } /* end else */ - break; - } - - case H5VL_LINK_CREATE_SOFT: - { - char *target_name; - H5G_loc_t link_loc; /* Group location for new link */ - - if(H5G_loc_real(obj, loc_params->obj_type, &link_loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - if(H5P_get(plist, H5VL_PROP_LINK_TARGET_NAME, &target_name) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get property value for targe name") - - /* Create the link */ - if((ret_value = H5L_create_soft(target_name, &link_loc, loc_params->loc_data.loc_by_name.name, lcpl_id)) < 0) - HGOTO_ERROR(H5E_LINK, H5E_CANTINIT, FAIL, "unable to create link") - break; - } - - case H5VL_LINK_CREATE_UD: - { - H5G_loc_t link_loc; /* Group location for new link */ - H5L_type_t link_type; - void *udata; - size_t udata_size; - - if(H5G_loc_real(obj, loc_params->obj_type, &link_loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - if(H5P_get(plist, H5VL_PROP_LINK_TYPE, &link_type) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get property value for link type") - if(H5P_get(plist, H5VL_PROP_LINK_UDATA, &udata) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get property value for udata") - if(H5P_get(plist, H5VL_PROP_LINK_UDATA_SIZE, &udata_size) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get property value for udata size") - - /* Create link */ - if(H5L__create_ud(&link_loc, loc_params->loc_data.loc_by_name.name, udata, udata_size, - link_type, lcpl_id) < 0) - HGOTO_ERROR(H5E_LINK, H5E_CANTINIT, FAIL, "unable to create link") - break; - } - - default: - HGOTO_ERROR(H5E_LINK, H5E_CANTINIT, FAIL, "invalid link creation call") - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_link_create() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_link_copy - * - * Purpose: Renames an object within an HDF5 file and copies it to a new - * group. The original name SRC is unlinked from the group graph - * and then inserted with the new name DST (which can specify a - * new path for the object) as an atomic operation. The names - * are interpreted relative to SRC_LOC_ID and - * DST_LOC_ID, which are either file IDs or group ID. - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Mohamad Chaarawi - * April, 2012 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_link_copy(void *src_obj, const H5VL_loc_params_t *loc_params1, - void *dst_obj, const H5VL_loc_params_t *loc_params2, hid_t lcpl_id, - hid_t H5_ATTR_UNUSED lapl_id, hid_t H5_ATTR_UNUSED dxpl_id, - void H5_ATTR_UNUSED **req) -{ - H5G_loc_t src_loc, *src_loc_p; - H5G_loc_t dst_loc, *dst_loc_p; - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - if(NULL != src_obj && H5G_loc_real(src_obj, loc_params1->obj_type, &src_loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - if(NULL != dst_obj && H5G_loc_real(dst_obj, loc_params2->obj_type, &dst_loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - /* Set up src & dst location pointers */ - src_loc_p = &src_loc; - dst_loc_p = &dst_loc; - if(NULL == src_obj) - src_loc_p = dst_loc_p; - else if(NULL == dst_obj) - dst_loc_p = src_loc_p; - - /* Copy the link */ - if(H5L_move(src_loc_p, loc_params1->loc_data.loc_by_name.name, - dst_loc_p, loc_params2->loc_data.loc_by_name.name, - TRUE, lcpl_id) < 0) - HGOTO_ERROR(H5E_LINK, H5E_CANTCOPY, FAIL, "unable to copy link") - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_link_copy() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_link_move - * - * Purpose: Renames an object within an HDF5 file and moves it to a new - * group. The original name SRC is unlinked from the group graph - * and then inserted with the new name DST (which can specify a - * new path for the object) as an atomic operation. The names - * are interpreted relative to SRC_LOC_ID and - * DST_LOC_ID, which are either file IDs or group ID. - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Mohamad Chaarawi - * April, 2012 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_link_move(void *src_obj, const H5VL_loc_params_t *loc_params1, - void *dst_obj, const H5VL_loc_params_t *loc_params2, hid_t lcpl_id, - hid_t H5_ATTR_UNUSED lapl_id, hid_t H5_ATTR_UNUSED dxpl_id, - void H5_ATTR_UNUSED **req) -{ - H5G_loc_t src_loc, *src_loc_p; - H5G_loc_t dst_loc, *dst_loc_p; - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - if(NULL != src_obj && H5G_loc_real(src_obj, loc_params1->obj_type, &src_loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - if(NULL != dst_obj && H5G_loc_real(dst_obj, loc_params2->obj_type, &dst_loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - /* Set up src & dst location pointers */ - src_loc_p = &src_loc; - dst_loc_p = &dst_loc; - if(NULL == src_obj) - src_loc_p = dst_loc_p; - else if(NULL == dst_obj) - dst_loc_p = src_loc_p; - - /* Move the link */ - if(H5L_move(src_loc_p, loc_params1->loc_data.loc_by_name.name, - dst_loc_p, loc_params2->loc_data.loc_by_name.name, - FALSE, lcpl_id) < 0) - HGOTO_ERROR(H5E_LINK, H5E_CANTMOVE, FAIL, "unable to move link") - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_link_move() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_link_get - * - * Purpose: Get info about a link - * - * Return: Success: 0 - * Failure: -1 - * - * Programmer: Mohamad Chaarawi - * April, 2012 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_link_get(void *obj, const H5VL_loc_params_t *loc_params, H5VL_link_get_t get_type, - hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) -{ - H5G_loc_t loc; - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - switch(get_type) { - /* H5Lget_info/H5Lget_info_by_idx */ - case H5VL_LINK_GET_INFO: - { - H5L_info_t *linfo = HDva_arg(arguments, H5L_info_t *); - - /* Get the link information */ - if(loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Lget_info */ - if(H5L_get_info(&loc, loc_params->loc_data.loc_by_name.name, linfo) < 0) - HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to get link info") - } /* end if */ - else if(loc_params->type == H5VL_OBJECT_BY_IDX) { /* H5Lget_info_by_idx */ - if(H5L_get_info_by_idx(&loc, loc_params->loc_data.loc_by_idx.name, loc_params->loc_data.loc_by_idx.idx_type, - loc_params->loc_data.loc_by_idx.order, loc_params->loc_data.loc_by_idx.n, linfo) < 0) - HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to get link info") - } /* end else-if */ - else - HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to get link info") - break; - } - - /* H5Lget_name_by_idx */ - case H5VL_LINK_GET_NAME: - { - char *name = HDva_arg(arguments, char *); - size_t size = HDva_arg(arguments, size_t); - ssize_t *ret = HDva_arg(arguments, ssize_t *); - - /* Get the link name */ - if((*ret = H5L_get_name_by_idx(&loc, loc_params->loc_data.loc_by_idx.name, loc_params->loc_data.loc_by_idx.idx_type, - loc_params->loc_data.loc_by_idx.order, loc_params->loc_data.loc_by_idx.n, name, size)) < 0) - HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to get link info") - - break; - } - - /* H5Lget_val/H5Lget_val_by_idx */ - case H5VL_LINK_GET_VAL: - { - void *buf = HDva_arg(arguments, void *); - size_t size = HDva_arg(arguments, size_t); - - /* Get the link information */ - if(loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Lget_val */ - if(H5L_get_val(&loc, loc_params->loc_data.loc_by_name.name, buf, size) < 0) - HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to get link value") - } - else if(loc_params->type == H5VL_OBJECT_BY_IDX) { /* H5Lget_val_by_idx */ - - if(H5L_get_val_by_idx(&loc, loc_params->loc_data.loc_by_idx.name, loc_params->loc_data.loc_by_idx.idx_type, - loc_params->loc_data.loc_by_idx.order, loc_params->loc_data.loc_by_idx.n, buf, size) < 0) - HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to get link val") - } - else - HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to get link val") - - break; - } - - default: - HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get this type of information from link") - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_link_get() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_link_specific - * - * Purpose: Specific operation on a link - * - * Return: Success: 0 - * Failure: -1 - * - * Programmer: Mohamad Chaarawi - * April, 2012 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_link_specific(void *obj, const H5VL_loc_params_t *loc_params, H5VL_link_specific_t specific_type, - hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) -{ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - switch(specific_type) { - case H5VL_LINK_EXISTS: - { - htri_t *ret = HDva_arg(arguments, htri_t *); - H5G_loc_t loc; - - if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - /* Check for the existence of the link */ - if((*ret = H5L_exists(&loc, loc_params->loc_data.loc_by_name.name)) < 0) - HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to specific link info") - break; - } - - case H5VL_LINK_ITER: - { - H5G_loc_t loc; - hbool_t recursive = (hbool_t)HDva_arg(arguments, unsigned); - H5_index_t idx_type = (H5_index_t)HDva_arg(arguments, int); /* enum work-around */ - H5_iter_order_t order = (H5_iter_order_t)HDva_arg(arguments, int); /* enum work-around */ - hsize_t *idx_p = HDva_arg(arguments, hsize_t *); - H5L_iterate_t op = HDva_arg(arguments, H5L_iterate_t); - void *op_data = HDva_arg(arguments, void *); - - /* Get the location */ - if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") - - /* Visit or iterate over the links */ - if(loc_params->type == H5VL_OBJECT_BY_SELF) { - if(recursive) { - /* H5Lvisit */ - if((ret_value = H5G_visit(&loc, ".", idx_type, order, op, op_data)) < 0) - HGOTO_ERROR(H5E_LINK, H5E_BADITER, FAIL, "link visitation failed") - } /* end if */ - else { - /* H5Literate */ - if((ret_value = H5L_iterate(&loc, ".", idx_type, order, idx_p, op, op_data)) < 0) - HGOTO_ERROR(H5E_LINK, H5E_BADITER, FAIL, "error iterating over links") - } /* end else */ - } /* end if */ - else if(loc_params->type == H5VL_OBJECT_BY_NAME) { - if(recursive) { - /* H5Lvisit_by_name */ - if((ret_value = H5G_visit(&loc, loc_params->loc_data.loc_by_name.name, idx_type, order, op, op_data)) < 0) - HGOTO_ERROR(H5E_LINK, H5E_BADITER, FAIL, "link visitation failed") - } /* end if */ - else { - /* H5Literate_by_name */ - if((ret_value = H5L_iterate(&loc, loc_params->loc_data.loc_by_name.name, idx_type, order, idx_p, op, op_data)) < 0) - HGOTO_ERROR(H5E_LINK, H5E_BADITER, FAIL, "error iterating over links") - } /* end else */ - } /* end else-if */ - else - HGOTO_ERROR(H5E_LINK, H5E_UNSUPPORTED, FAIL, "unknown link iterate params") - - break; - } - - case H5VL_LINK_DELETE: - { - H5G_loc_t loc; - - if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - /* Unlink */ - if(loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Ldelete */ - if(H5L_delete(&loc, loc_params->loc_data.loc_by_name.name) < 0) - HGOTO_ERROR(H5E_LINK, H5E_CANTDELETE, FAIL, "unable to delete link") - } /* end if */ - else if(loc_params->type == H5VL_OBJECT_BY_IDX) { /* H5Ldelete_by_idx */ - if(H5L_delete_by_idx(&loc, loc_params->loc_data.loc_by_idx.name, loc_params->loc_data.loc_by_idx.idx_type, - loc_params->loc_data.loc_by_idx.order, loc_params->loc_data.loc_by_idx.n) < 0) - HGOTO_ERROR(H5E_LINK, H5E_CANTDELETE, FAIL, "unable to delete link") - } /* end else-if */ - else - HGOTO_ERROR(H5E_LINK, H5E_CANTDELETE, FAIL, "unable to delete link") - break; - } - - default: - HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid specific operation") - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_link_specific() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_object_open - * - * Purpose: Opens an object inside a native h5 file. - * - * Return: Success: object id. - * Failure: NULL - * - * Programmer: Mohamad Chaarawi - * March, 2012 - * - *------------------------------------------------------------------------- - */ -static void * -H5VL__native_object_open(void *obj, const H5VL_loc_params_t *loc_params, H5I_type_t *opened_type, - hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) -{ - H5G_loc_t loc; - void *ret_value = NULL; - - FUNC_ENTER_STATIC - - if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object") - - switch(loc_params->type) { - case H5VL_OBJECT_BY_NAME: - { - /* Open the object */ - if(NULL == (ret_value = H5O_open_name(&loc, loc_params->loc_data.loc_by_name.name, opened_type))) - HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, NULL, "unable to open object by name") - break; - } - - case H5VL_OBJECT_BY_IDX: - { - /* Open the object */ - if(NULL == (ret_value = H5O_open_by_idx(&loc, loc_params->loc_data.loc_by_idx.name, loc_params->loc_data.loc_by_idx.idx_type, - loc_params->loc_data.loc_by_idx.order, loc_params->loc_data.loc_by_idx.n, opened_type))) - HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, NULL, "unable to open object by index") - break; - } - - case H5VL_OBJECT_BY_ADDR: - { - /* Open the object */ - if(NULL == (ret_value = H5O_open_by_addr(&loc, loc_params->loc_data.loc_by_addr.addr, opened_type))) - HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, NULL, "unable to open object by address") - break; - } - - case H5VL_OBJECT_BY_REF: - { - hid_t temp_id = H5I_INVALID_HID; - H5F_t *file = NULL; - - /* Get the file pointer from the entry */ - file = loc.oloc->file; - - /* Create reference */ - if((temp_id = H5R__dereference(file, loc_params->loc_data.loc_by_ref.lapl_id, - loc_params->loc_data.loc_by_ref.ref_type, - loc_params->loc_data.loc_by_ref._ref)) < 0) - HGOTO_ERROR(H5E_REFERENCE, H5E_CANTOPENOBJ, NULL, "unable to dereference object") - - *opened_type = H5I_get_type(temp_id); - if(NULL == (ret_value = H5I_remove(temp_id))) - HGOTO_ERROR(H5E_SYM, H5E_CANTOPENOBJ, NULL, "unable to open object") - break; - } - - case H5VL_OBJECT_BY_SELF: - default: - HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, NULL, "unknown open parameters") - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_object_open() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_object_copy - * - * Purpose: Copies an object inside a native h5 file. - * - * Return: Success: 0 - * Failure: -1 - * - * Programmer: Mohamad Chaarawi - * March, 2012 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_object_copy(void *src_obj, const H5VL_loc_params_t *loc_params1, const char *src_name, - void *dst_obj, const H5VL_loc_params_t *loc_params2, const char *dst_name, - hid_t ocpypl_id, hid_t lcpl_id, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) -{ - H5G_loc_t src_loc; /* Source object group location */ - H5G_loc_t dst_loc; /* Destination group location */ - herr_t ret_value = FAIL; - - FUNC_ENTER_STATIC - - /* get location for objects */ - if(H5G_loc_real(src_obj, loc_params1->obj_type, &src_loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - if(H5G_loc_real(dst_obj, loc_params2->obj_type, &dst_loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - /* Copy the object */ - if((ret_value = H5O_copy(&src_loc, src_name, &dst_loc, dst_name, ocpypl_id, lcpl_id)) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTCOPY, FAIL, "unable to copy object") - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_object_copy() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_object_get - * - * Purpose: Gets certain data about an object - * - * Return: SUCCEED/FAIL - * - * Programmer: Mohamad Chaarawi - * March, 2012 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_object_get(void *obj, const H5VL_loc_params_t *loc_params, H5VL_object_get_t get_type, - hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) -{ - herr_t ret_value = SUCCEED; /* Return value */ - H5G_loc_t loc; /* Location of group */ - - FUNC_ENTER_STATIC - - if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - switch(get_type) { - /* H5Rget_region */ - case H5VL_REF_GET_REGION: - { - hid_t *ret = HDva_arg(arguments, hid_t *); - H5R_type_t H5_ATTR_UNUSED ref_type = (H5R_type_t)HDva_arg(arguments, int); /* enum work-around */ - void *ref = HDva_arg(arguments, void *); - H5S_t *space = NULL; /* Dataspace object */ - - /* Get the dataspace with the correct region selected */ - if((space = H5R__get_region(loc.oloc->file, ref)) == NULL) - HGOTO_ERROR(H5E_REFERENCE, H5E_CANTGET, FAIL, "unable to retrieve region") - - /* Atomize */ - if((*ret = H5I_register(H5I_DATASPACE, space, TRUE)) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to register dataspace atom") - - break; - } - - /* H5Rget_obj_type1/2 */ - case H5VL_REF_GET_TYPE: - { - H5O_type_t *obj_type = HDva_arg(arguments, H5O_type_t *); - H5R_type_t ref_type = (H5R_type_t)HDva_arg(arguments, int); /* enum work-around */ - void *ref = HDva_arg(arguments, void *); - - /* Get the object information */ - if(H5R__get_obj_type(loc.oloc->file, ref_type, ref, obj_type) < 0) - HGOTO_ERROR(H5E_REFERENCE, H5E_CANTGET, FAIL, "unable to determine object type") - break; - } - - /* H5Rget_name */ - case H5VL_REF_GET_NAME: - { - ssize_t *ret = HDva_arg(arguments, ssize_t *); - char *name = HDva_arg(arguments, char *); - size_t size = HDva_arg(arguments, size_t); - H5R_type_t ref_type = (H5R_type_t)HDva_arg(arguments, int); /* enum work-around */ - void *ref = HDva_arg(arguments, void *); - - /* Get name */ - if((*ret = H5R__get_name(loc.oloc->file, ref_type, ref, name, size)) < 0) - HGOTO_ERROR(H5E_REFERENCE, H5E_CANTGET, FAIL, "unable to determine object path") - break; - } - - /* H5Iget_name */ - case H5VL_ID_GET_NAME: - { - ssize_t *ret = HDva_arg(arguments, ssize_t *); - char *name = HDva_arg(arguments, char *); - size_t size = HDva_arg(arguments, size_t); - - /* Retrieve object's name */ - if((*ret = H5G_get_name(&loc, name, size, NULL)) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_CANTGET, FAIL, "can't retrieve object name") - - break; - } - - default: - HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get this type of information from object") - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_object_get() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_object_specific - * - * Purpose: Specific operation on an object - * - * Return: SUCCEED/FAIL - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_object_specific(void *obj, const H5VL_loc_params_t *loc_params, H5VL_object_specific_t specific_type, - hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) -{ - H5G_loc_t loc; - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - switch(specific_type) { - /* H5Oincr_refcount / H5Odecr_refcount */ - case H5VL_OBJECT_CHANGE_REF_COUNT: - { - int update_ref = HDva_arg(arguments, int); - H5O_loc_t *oloc = loc.oloc; - - if(H5O_link(oloc, update_ref) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_LINKCOUNT, FAIL, "modifying object link count failed") - - break; - } - - /* H5Oexists_by_name */ - case H5VL_OBJECT_EXISTS: - { - htri_t *ret = HDva_arg(arguments, htri_t *); - - if(loc_params->type == H5VL_OBJECT_BY_NAME) { - /* Check if the object exists */ - if((*ret = H5G_loc_exists(&loc, loc_params->loc_data.loc_by_name.name)) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to determine if '%s' exists", loc_params->loc_data.loc_by_name.name) - } /* end if */ - else - HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown object exists parameters") - break; - } - - case H5VL_OBJECT_VISIT: - { - H5_index_t idx_type = (H5_index_t)HDva_arg(arguments, int); /* enum work-around */ - H5_iter_order_t order = (H5_iter_order_t)HDva_arg(arguments, int); /* enum work-around */ - H5O_iterate_t op = HDva_arg(arguments, H5O_iterate_t); - void *op_data = HDva_arg(arguments, void *); - unsigned fields = HDva_arg(arguments, unsigned); - - /* Call internal object visitation routine */ - if(loc_params->type == H5VL_OBJECT_BY_SELF) { - /* H5Ovisit */ - if((ret_value = H5O__visit(&loc, ".", idx_type, order, op, op_data, fields)) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_BADITER, FAIL, "object visitation failed") - } /* end if */ - else if(loc_params->type == H5VL_OBJECT_BY_NAME) { - /* H5Ovisit_by_name */ - if((ret_value = H5O__visit(&loc, loc_params->loc_data.loc_by_name.name, idx_type, order, op, op_data, fields)) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_BADITER, FAIL, "object visitation failed") - } /* end else-if */ - else - HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown object visit params"); - break; - } - - case H5VL_OBJECT_FLUSH: - { - hid_t oid = HDva_arg(arguments, hid_t); - - /* Flush the object's metadata */ - if(H5O_flush(loc.oloc, oid) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to flush object") - - break; - } - - case H5VL_OBJECT_REFRESH: - { - hid_t oid = HDva_arg(arguments, hid_t); - H5O_loc_t *oloc = loc.oloc; - - /* Refresh the metadata */ - if(H5O_refresh_metadata(oid, *oloc) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "unable to refresh object") - - break; - } - - case H5VL_REF_CREATE: - { - void *ref = HDva_arg(arguments, void *); - const char *name = HDva_arg(arguments, char *); - H5R_type_t ref_type = (H5R_type_t)HDva_arg(arguments, int); /* enum work-around */ - hid_t space_id = HDva_arg(arguments, hid_t); - H5S_t *space = NULL; /* Pointer to dataspace containing region */ - - if(space_id != (-1) && (NULL == (space = (H5S_t *)H5I_object_verify(space_id, H5I_DATASPACE)))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataspace") - - /* Create reference */ - if(H5R__create(ref, &loc, name, ref_type, space) < 0) - HGOTO_ERROR(H5E_REFERENCE, H5E_CANTCREATE, FAIL, "unable to create reference") - - break; - } - - default: - HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't recognize this operation type") - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_object_specific() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_object_optional - * - * Purpose: Perform a connector-specific operation for an objectibute - * - * Return: Success: 0 - * Failure: -1 - * - * Programmer: Mohamad Chaarawi - * April, 2012 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_object_optional(void *obj, hid_t H5_ATTR_UNUSED dxpl_id, - void H5_ATTR_UNUSED **req, va_list arguments) -{ - H5VL_native_object_optional_t optional_type = HDva_arg(arguments, H5VL_native_object_optional_t); - H5VL_loc_params_t *loc_params = HDva_arg(arguments, H5VL_loc_params_t *); - H5G_loc_t loc; /* Location of group */ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") - - switch(optional_type) { - /* H5Oget_info / H5Oget_info_by_name / H5Oget_info_by_idx */ - case H5VL_NATIVE_OBJECT_GET_INFO: - { - H5O_info_t *obj_info = HDva_arg(arguments, H5O_info_t *); - unsigned fields = HDva_arg(arguments, unsigned); - - if(loc_params->type == H5VL_OBJECT_BY_SELF) { /* H5Oget_info */ - /* Retrieve the object's information */ - if(H5G_loc_info(&loc, ".", obj_info, fields) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found") - } /* end if */ - else if(loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Oget_info_by_name */ - /* Retrieve the object's information */ - if(H5G_loc_info(&loc, loc_params->loc_data.loc_by_name.name, obj_info, fields) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found") - } /* end else-if */ - else if(loc_params->type == H5VL_OBJECT_BY_IDX) { /* H5Oget_info_by_idx */ - H5G_loc_t obj_loc; /* Location used to open group */ - H5G_name_t obj_path; /* Opened object group hier. path */ - H5O_loc_t obj_oloc; /* Opened object object location */ - - /* Set up opened group location to fill in */ - obj_loc.oloc = &obj_oloc; - obj_loc.path = &obj_path; - H5G_loc_reset(&obj_loc); - - /* Find the object's location, according to the order in the index */ - if(H5G_loc_find_by_idx(&loc, loc_params->loc_data.loc_by_idx.name, - loc_params->loc_data.loc_by_idx.idx_type, - loc_params->loc_data.loc_by_idx.order, - loc_params->loc_data.loc_by_idx.n, &obj_loc/*out*/) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "group not found") - - /* Retrieve the object's information */ - if(H5O_get_info(obj_loc.oloc, obj_info, fields) < 0) { - H5G_loc_free(&obj_loc); - HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve object info") - } /* end if */ - - /* Release the object location */ - if(H5G_loc_free(&obj_loc) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTRELEASE, FAIL, "can't free location") - } /* end else-if */ - else - HGOTO_ERROR(H5E_OHDR, H5E_UNSUPPORTED, FAIL, "unknown get info parameters") - break; - } - - /* H5Oget_comment / H5Oget_comment_by_name */ - case H5VL_NATIVE_OBJECT_GET_COMMENT: - { - char *comment = HDva_arg(arguments, char *); - size_t bufsize = HDva_arg(arguments, size_t); - ssize_t *ret = HDva_arg(arguments, ssize_t *); - - /* Retrieve the object's comment */ - if(loc_params->type == H5VL_OBJECT_BY_SELF) { /* H5Oget_comment */ - if((*ret = H5G_loc_get_comment(&loc, ".", comment/*out*/, bufsize)) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found") - } /* end if */ - else if(loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Oget_comment_by_name */ - if((*ret = H5G_loc_get_comment(&loc, loc_params->loc_data.loc_by_name.name, comment/*out*/, bufsize)) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found") - } /* end else-if */ - else - HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown set_coment parameters") - break; - } - - /* H5Oset_comment */ - case H5VL_NATIVE_OBJECT_SET_COMMENT: - { - const char *comment = HDva_arg(arguments, char *); - - if(loc_params->type == H5VL_OBJECT_BY_SELF) { /* H5Oset_comment */ - /* (Re)set the object's comment */ - if(H5G_loc_set_comment(&loc, ".", comment) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found") - } /* end if */ - else if(loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Oset_comment_by_name */ - /* (Re)set the object's comment */ - if(H5G_loc_set_comment(&loc, loc_params->loc_data.loc_by_name.name, comment) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found") - } /* end else-if */ - else - HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown set_coment parameters") - break; - } - - default: - HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't perform this operation on object"); - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_object_optional() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_datatype_commit - * - * Purpose: Commits a datatype inside a native h5 file. - * - * Return: Success: datatype id. - * Failure: NULL - * - * Programmer: Mohamad Chaarawi - * March, 2012 - * - *------------------------------------------------------------------------- - */ -static void * -H5VL__native_datatype_commit(void *obj, const H5VL_loc_params_t *loc_params, const char *name, - hid_t type_id, hid_t lcpl_id, hid_t tcpl_id, hid_t H5_ATTR_UNUSED tapl_id, - hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) -{ - H5G_loc_t loc; /* Location to commit datatype */ - H5T_t *dt; /* Datatype for ID */ - H5T_t *type = NULL; /* copy of the original type which will be committed */ - void *ret_value = NULL; /* Return value */ - - FUNC_ENTER_STATIC - - /* check arguments */ - if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object") - - if(NULL == (dt = (H5T_t *)H5I_object_verify(type_id, H5I_DATATYPE))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a datatype") - - /* Check arguments. We cannot commit an immutable type because H5Tclose() - * normally fails on such types (try H5Tclose(H5T_NATIVE_INT)) but closing - * a named type should always succeed. - */ - if(H5T_STATE_NAMED == dt->shared->state || H5T_STATE_OPEN == dt->shared->state) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "datatype is already committed") - if(H5T_STATE_IMMUTABLE == dt->shared->state) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "datatype is immutable") - - /* Check for a "sensible" datatype to store on disk */ - if(H5T_is_sensible(dt) <= 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "datatype is not sensible") - - /* Copy the datatype - the copied one will be the type that is - * committed, and attached to original datatype above the VOL - * layer - */ - if(NULL == (type = H5T_copy(dt, H5T_COPY_TRANSIENT))) - HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "unable to copy"); - - /* Commit the datatype */ - if(NULL != name) { - /* H5Tcommit */ - if(H5T__commit_named(&loc, name, type, lcpl_id, tcpl_id) < 0) - HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "unable to commit datatype") - } /* end if */ - else { - /* H5Tcommit_anon */ - if(H5T__commit_anon(loc.oloc->file, type, tcpl_id) < 0) - HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "unable to commit datatype") - } /* end else */ - - ret_value = (void *)type; - -done: - if(NULL == ret_value && type) - H5T_close(type); - - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_datatype_commit() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_datatype_open - * - * Purpose: Opens a named datatype inside a native h5 file. - * - * Return: Success: datatype pointer - * Failure: NULL - * - *------------------------------------------------------------------------- - */ -static void * -H5VL__native_datatype_open(void *obj, const H5VL_loc_params_t *loc_params, const char *name, - hid_t H5_ATTR_UNUSED tapl_id, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) -{ - H5T_t *type = NULL; /* Datatype opened in file */ - H5G_loc_t loc; /* Group location of object to open */ - void *ret_value = NULL; - - FUNC_ENTER_STATIC - - if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object") - - /* Open the datatype */ - if(NULL == (type = H5T__open_name(&loc, name))) - HGOTO_ERROR(H5E_DATATYPE, H5E_CANTOPENOBJ, NULL, "unable to open named datatype") - - type->vol_obj = NULL; - - ret_value = (void *)type; - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_datatype_open() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_datatype_get - * - * Purpose: Get information about a datatype - * - * Return: Success: 0 - * Failure: -1 - * - * Programmer: Mohamad Chaarawi - * June, 2013 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_datatype_get(void *obj, H5VL_datatype_get_t get_type, - hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) -{ - H5T_t *dt = (H5T_t *)obj; - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - switch (get_type) { - case H5VL_DATATYPE_GET_BINARY: - { - ssize_t *nalloc = HDva_arg(arguments, ssize_t *); - void *buf = HDva_arg(arguments, void *); - size_t size = HDva_arg(arguments, size_t); - - if(H5T_encode(dt, (unsigned char *)buf, &size) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "can't determine serialized length of datatype") - - *nalloc = (ssize_t) size; - break; - } - - /* H5Tget_create_plist */ - case H5VL_DATATYPE_GET_TCPL: - { - hid_t *ret_id = HDva_arg(arguments, hid_t *); - - if(H5I_INVALID_HID == (*ret_id = H5T__get_create_plist(dt))) - HGOTO_ERROR(H5E_DATATYPE, H5E_CANTGET, FAIL, "can't get object creation info"); - - break; - } - - default: - HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get this type of information from datatype") - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_datatype_get() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_datatype_specific - * - * Purpose: Specific operations for datatype - * - * Return: SUCCEED/FAIL - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_datatype_specific(void *obj, H5VL_datatype_specific_t specific_type, - hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) -{ - H5T_t *dt = (H5T_t *)obj; - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - switch(specific_type) { - case H5VL_DATATYPE_FLUSH: - { - hid_t type_id = HDva_arg(arguments, hid_t); - - /* To flush metadata and invoke flush callback if there is */ - if (H5O_flush_common(&dt->oloc, type_id) < 0) - HGOTO_ERROR(H5E_DATATYPE, H5E_CANTFLUSH, FAIL, "unable to flush datatype") - - break; - } - - case H5VL_DATATYPE_REFRESH: - { - hid_t type_id = HDva_arg(arguments, hid_t); - - /* Call private function to refresh datatype object */ - if ((H5O_refresh_metadata(type_id, dt->oloc)) < 0) - HGOTO_ERROR(H5E_DATATYPE, H5E_CANTLOAD, FAIL, "unable to refresh datatype") - - break; - } - - default: - HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid specific operation") - } /* end switch */ - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_datatype_specific() */ - - -/*------------------------------------------------------------------------- - * Function: H5VL__native_datatype_close - * - * Purpose: Closes a datatype. - * - * Return: Success: 0 - * Failure: -1, datatype not closed. - * - * Programmer: Mohamad Chaarawi - * March, 2012 - * - *------------------------------------------------------------------------- - */ -static herr_t -H5VL__native_datatype_close(void *dt, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) -{ - herr_t ret_value = SUCCEED; /* Return value */ - - FUNC_ENTER_STATIC - - if(H5T_close((H5T_t*)dt) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTDEC, FAIL, "can't close datatype") - -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* end H5VL__native_datatype_close() */ - diff --git a/src/H5VLnative.h b/src/H5VLnative.h index d129865..a033a07 100644 --- a/src/H5VLnative.h +++ b/src/H5VLnative.h @@ -98,6 +98,53 @@ H5_DLL herr_t H5VL__native_attr_specific(void *obj, const H5VL_loc_params_t *loc H5_DLL herr_t H5VL__native_attr_optional(void *obj, hid_t dxpl_id, void **req, va_list arguments); H5_DLL herr_t H5VL__native_attr_close(void *attr, hid_t dxpl_id, void **req); +/* Dataset callbacks */ +H5_DLL void *H5VL__native_dataset_create(void *obj, const H5VL_loc_params_t *loc_params, const char *name, hid_t dcpl_id, hid_t dapl_id, hid_t dxpl_id, void **req); +H5_DLL void *H5VL__native_dataset_open(void *obj, const H5VL_loc_params_t *loc_params, const char *name, hid_t dapl_id, hid_t dxpl_id, void **req); +H5_DLL herr_t H5VL__native_dataset_read(void *dset, 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__native_dataset_write(void *dset, 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__native_dataset_get(void *dset, H5VL_dataset_get_t get_type, hid_t dxpl_id, void **req, va_list arguments); +H5_DLL herr_t H5VL__native_dataset_specific(void *dset, H5VL_dataset_specific_t specific_type, hid_t dxpl_id, void **req, va_list arguments); +H5_DLL herr_t H5VL__native_dataset_optional(void *dset, hid_t dxpl_id, void **req, va_list arguments); +H5_DLL herr_t H5VL__native_dataset_close(void *dset, hid_t dxpl_id, void **req); + +/* File callbacks */ +H5_DLL void *H5VL__native_file_create(const char *name, unsigned flags, hid_t fcpl_id, hid_t fapl_id, hid_t dxpl_id, void **req); +H5_DLL void *H5VL__native_file_open(const char *name, unsigned flags, hid_t fapl_id, hid_t dxpl_id, void **req); +H5_DLL herr_t H5VL__native_file_get(void *file, H5VL_file_get_t get_type, hid_t dxpl_id, void **req, va_list arguments); +H5_DLL herr_t H5VL__native_file_specific(void *file, H5VL_file_specific_t specific_type, hid_t dxpl_id, void **req, va_list arguments); +H5_DLL herr_t H5VL__native_file_optional(void *file, hid_t dxpl_id, void **req, va_list arguments); +H5_DLL herr_t H5VL__native_file_close(void *file, hid_t dxpl_id, void **req); + +/* Group callbacks */ +H5_DLL void *H5VL__native_group_create(void *obj, const H5VL_loc_params_t *loc_params, const char *name, hid_t gcpl_id, hid_t gapl_id, hid_t dxpl_id, void **req); +H5_DLL void *H5VL__native_group_open(void *obj, const H5VL_loc_params_t *loc_params, const char *name, hid_t gapl_id, hid_t dxpl_id, void **req); +H5_DLL herr_t H5VL__native_group_get(void *obj, H5VL_group_get_t get_type, hid_t dxpl_id, void **req, va_list arguments); +H5_DLL herr_t H5VL__native_group_specific(void *obj, H5VL_group_specific_t specific_type, hid_t dxpl_id, void **req, va_list arguments); +H5_DLL herr_t H5VL__native_group_optional(void *obj, hid_t dxpl_id, void **req, va_list arguments); +H5_DLL herr_t H5VL__native_group_close(void *grp, hid_t dxpl_id, void **req); + +/* Link callbacks */ +H5_DLL herr_t H5VL__native_link_create(H5VL_link_create_type_t create_type, void *obj, const H5VL_loc_params_t *loc_params, hid_t lcpl_id, hid_t lapl_id, hid_t dxpl_id, void **req); +H5_DLL herr_t H5VL__native_link_copy(void *src_obj, const H5VL_loc_params_t *loc_params1, void *dst_obj, const H5VL_loc_params_t *loc_params2, hid_t lcpl_id, hid_t lapl_id, hid_t dxpl_id, void **req); +H5_DLL herr_t H5VL__native_link_move(void *src_obj, const H5VL_loc_params_t *loc_params1, void *dst_obj, const H5VL_loc_params_t *loc_params2, hid_t lcpl_id, hid_t lapl_id, hid_t dxpl_id, void **req); +H5_DLL herr_t H5VL__native_link_get(void *obj, const H5VL_loc_params_t *loc_params, H5VL_link_get_t get_type, hid_t dxpl_id, void **req, va_list arguments); +H5_DLL herr_t H5VL__native_link_specific(void *obj, const H5VL_loc_params_t *loc_params, H5VL_link_specific_t specific_type, hid_t dxpl_id, void **req, va_list arguments); + +/* Object callbacks */ +H5_DLL void *H5VL__native_object_open(void *obj, const H5VL_loc_params_t *loc_params, H5I_type_t *opened_type, hid_t dxpl_id, void **req); +H5_DLL herr_t H5VL__native_object_copy(void *src_obj, const H5VL_loc_params_t *loc_params1, const char *src_name, void *dst_obj, const H5VL_loc_params_t *loc_params2, const char *dst_name, hid_t ocpypl_id, hid_t lcpl_id, hid_t dxpl_id, void **req); +H5_DLL herr_t H5VL__native_object_get(void *obj, const H5VL_loc_params_t *loc_params, H5VL_object_get_t get_type, hid_t dxpl_id, void **req, va_list arguments); +H5_DLL herr_t H5VL__native_object_specific(void *obj, const H5VL_loc_params_t *loc_params, H5VL_object_specific_t specific_type, hid_t dxpl_id, void **req, va_list arguments); +H5_DLL herr_t H5VL__native_object_optional(void *obj, hid_t dxpl_id, void **req, va_list arguments); + +/* Datatype callbacks */ +H5_DLL void *H5VL__native_datatype_commit(void *obj, const 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 dxpl_id, void **req); +H5_DLL void *H5VL__native_datatype_open(void *obj, const H5VL_loc_params_t *loc_params, const char *name, hid_t tapl_id, hid_t dxpl_id, void **req); +H5_DLL herr_t H5VL__native_datatype_get(void *dt, H5VL_datatype_get_t get_type, hid_t dxpl_id, void **req, va_list arguments); +H5_DLL herr_t H5VL__native_datatype_specific(void *dt, H5VL_datatype_specific_t specific_type, hid_t dxpl_id, void **req, va_list arguments); +H5_DLL herr_t H5VL__native_datatype_close(void *dt, hid_t dxpl_id, void **req); + #ifdef __cplusplus } #endif diff --git a/src/H5VLnative_attr.c b/src/H5VLnative_attr.c index 9688291..7940b7d 100644 --- a/src/H5VLnative_attr.c +++ b/src/H5VLnative_attr.c @@ -11,7 +11,7 @@ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* - * Purpose: Attribute code for the native VOL connector. + * Purpose: Attribute callbacks for the native VOL connector * */ @@ -115,9 +115,6 @@ done: * Return: Success: attribute pointer * Failure: NULL * - * Programmer: Mohamad Chaarawi - * March, 2012 - * *------------------------------------------------------------------------- */ void * @@ -172,9 +169,6 @@ done: * * Return: SUCCEED/FAIL * - * Programmer: Mohamad Chaarawi - * March, 2012 - * *------------------------------------------------------------------------- */ herr_t @@ -205,9 +199,6 @@ done: * * Return: SUCCEED/FAIL * - * Programmer: Mohamad Chaarawi - * March, 2012 - * *------------------------------------------------------------------------- */ herr_t @@ -238,9 +229,6 @@ done: * * Return: SUCCEED/FAIL * - * Programmer: Mohamad Chaarawi - * March, 2012 - * *------------------------------------------------------------------------- */ herr_t @@ -421,9 +409,6 @@ done: * * Return: SUCCEED/FAIL * - * Programmer: Mohamad Chaarawi - * August, 2014 - * *------------------------------------------------------------------------- */ herr_t @@ -592,10 +577,7 @@ done: * Purpose: Handles the attribute close callback * * Return: Success: SUCCEED - * Failure: FAIL, attribute not closed - * - * Programmer: Mohamad Chaarawi - * March, 2012 + * Failure: FAIL (attribute will not be closed) * *------------------------------------------------------------------------- */ diff --git a/src/H5VLnative_dataset.c b/src/H5VLnative_dataset.c index 636b48b..2316255 100644 --- a/src/H5VLnative_dataset.c +++ b/src/H5VLnative_dataset.c @@ -10,4 +10,566 @@ * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ +/* + * Purpose: Dataset callbacks for the native VOL connector + * + */ + +#define H5D_FRIEND /* Suppress error about including H5Dpkg */ + +#include "H5private.h" /* Generic Functions */ +#include "H5Dpkg.h" /* Datasets */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5Fprivate.h" /* Files */ +#include "H5Gprivate.h" /* Groups */ +#include "H5Iprivate.h" /* IDs */ +#include "H5Pprivate.h" /* Property lists */ +#include "H5Sprivate.h" /* Dataspaces */ +#include "H5VLprivate.h" /* Virtual Object Layer */ + +#include "H5VLnative.h" /* Native VOL connector */ + + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_dataset_create + * + * Purpose: Handles the dataset create callback + * + * Return: Success: dataset pointer + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VL__native_dataset_create(void *obj, const H5VL_loc_params_t *loc_params, + const char *name, hid_t dcpl_id, hid_t dapl_id, hid_t H5_ATTR_UNUSED dxpl_id, + void H5_ATTR_UNUSED **req) +{ + H5P_genplist_t *plist; /* Property list pointer */ + H5G_loc_t loc; /* Object location to insert dataset into */ + hid_t type_id = H5I_INVALID_HID; + hid_t space_id = H5I_INVALID_HID; + hid_t lcpl_id = H5I_INVALID_HID; + H5D_t *dset = NULL; /* New dataset's info */ + const H5S_t *space; /* Dataspace for dataset */ + void *ret_value; + + FUNC_ENTER_PACKAGE + + /* Get the plist structure */ + if(NULL == (plist = (H5P_genplist_t *)H5I_object(dcpl_id))) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, NULL, "can't find object for ID") + + /* Get creation properties */ + if(H5P_get(plist, H5VL_PROP_DSET_TYPE_ID, &type_id) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get property value for datatype id") + if(H5P_get(plist, H5VL_PROP_DSET_SPACE_ID, &space_id) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get property value for space id") + if(H5P_get(plist, H5VL_PROP_DSET_LCPL_ID, &lcpl_id) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get property value for lcpl id") + + /* Check arguments */ + if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object") + if(H5I_DATATYPE != H5I_get_type(type_id)) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a datatype ID") + if(NULL == (space = (const H5S_t *)H5I_object_verify(space_id, H5I_DATASPACE))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a dataspace ID") + + /* H5Dcreate_anon */ + if(NULL == name) { + /* build and open the new dataset */ + if(NULL == (dset = H5D__create(loc.oloc->file, type_id, space, dcpl_id, dapl_id))) + HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "unable to create dataset") + } /* end if */ + /* H5Dcreate2 */ + else { + /* Create the new dataset & get its ID */ + if(NULL == (dset = H5D__create_named(&loc, name, type_id, space, lcpl_id, dcpl_id, dapl_id))) + HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "unable to create dataset") + } /* end else */ + + ret_value = (void *)dset; + +done: + if(NULL == name) { + /* Release the dataset's object header, if it was created */ + if(dset) { + H5O_loc_t *oloc; /* Object location for dataset */ + + /* Get the new dataset's object location */ + if(NULL == (oloc = H5D_oloc(dset))) + HDONE_ERROR(H5E_DATASET, H5E_CANTGET, NULL, "unable to get object location of dataset") + + /* Decrement refcount on dataset's object header in memory */ + if(H5O_dec_rc_by_loc(oloc) < 0) + HDONE_ERROR(H5E_DATASET, H5E_CANTDEC, NULL, "unable to decrement refcount on newly created object") + } /* end if */ + } /* end if */ + + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_dataset_create() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_dataset_open + * + * Purpose: Handles the dataset open callback + * + * Return: Success: dataset pointer + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VL__native_dataset_open(void *obj, const H5VL_loc_params_t *loc_params, const char *name, + hid_t dapl_id, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) +{ + H5D_t *dset = NULL; + H5G_loc_t loc; /* Object location of group */ + void *ret_value = NULL; + + FUNC_ENTER_PACKAGE + + if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object") + + /* Open the dataset */ + if(NULL == (dset = H5D__open_name(&loc, name, dapl_id))) + HGOTO_ERROR(H5E_DATASET, H5E_CANTOPENOBJ, NULL, "unable to open dataset") + + ret_value = (void *)dset; + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_dataset_open() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_dataset_read + * + * Purpose: Handles the dataset read callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_dataset_read(void *obj, hid_t mem_type_id, hid_t mem_space_id, + hid_t file_space_id, hid_t H5_ATTR_UNUSED dxpl_id, void *buf, + void H5_ATTR_UNUSED **req) +{ + H5D_t *dset = (H5D_t *)obj; + const H5S_t *mem_space = NULL; + const H5S_t *file_space = NULL; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + /* Check arguments */ + if(NULL == dset->oloc.file) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "dataset is not associated with a file") + + /* Get validated dataspace pointers */ + if(H5S_get_validated_dataspace(mem_space_id, &mem_space) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "could not get a validated dataspace from mem_space_id") + if(H5S_get_validated_dataspace(file_space_id, &file_space) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "could not get a validated dataspace from file_space_id") + + /* Read raw data */ + if(H5D__read(dset, mem_type_id, mem_space, file_space, buf/*out*/) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL, "can't read data") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_dataset_read() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_dataset_write + * + * Purpose: Handles the dataset write callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_dataset_write(void *obj, hid_t mem_type_id, hid_t mem_space_id, + hid_t file_space_id, hid_t H5_ATTR_UNUSED dxpl_id, const void *buf, + void H5_ATTR_UNUSED **req) +{ + H5D_t *dset = (H5D_t *)obj; + const H5S_t *mem_space = NULL; + const H5S_t *file_space = NULL; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + /* check arguments */ + if(NULL == dset->oloc.file) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "dataset is not associated with a file") + + /* Get validated dataspace pointers */ + if(H5S_get_validated_dataspace(mem_space_id, &mem_space) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "could not get a validated dataspace from mem_space_id") + if(H5S_get_validated_dataspace(file_space_id, &file_space) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "could not get a validated dataspace from file_space_id") + + /* Write the data */ + if(H5D__write(dset, mem_type_id, mem_space, file_space, buf) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "can't write data") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_dataset_write() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_dataset_get + * + * Purpose: Handles the dataset get callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_dataset_get(void *obj, H5VL_dataset_get_t get_type, + hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) +{ + H5D_t *dset = (H5D_t *)obj; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + switch(get_type) { + /* H5Dget_space */ + case H5VL_DATASET_GET_SPACE: + { + hid_t *ret_id = HDva_arg(arguments, hid_t *); + + if((*ret_id = H5D__get_space(dset)) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get space ID of dataset") + + break; + } + + /* H5Dget_space_statuc */ + case H5VL_DATASET_GET_SPACE_STATUS: + { + H5D_space_status_t *allocation = HDva_arg(arguments, H5D_space_status_t *); + + /* Read data space address and return */ + if(H5D__get_space_status(dset, allocation) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to get space status") + + break; + } + + /* H5Dget_type */ + case H5VL_DATASET_GET_TYPE: + { + hid_t *ret_id = HDva_arg(arguments, hid_t *); + + if((*ret_id = H5D__get_type(dset)) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get datatype ID of dataset") + + break; + } + + /* H5Dget_create_plist */ + case H5VL_DATASET_GET_DCPL: + { + hid_t *ret_id = HDva_arg(arguments, hid_t *); + + if((*ret_id = H5D_get_create_plist(dset)) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get creation property list for dataset") + + break; + } + + /* H5Dget_access_plist */ + case H5VL_DATASET_GET_DAPL: + { + hid_t *ret_id = HDva_arg(arguments, hid_t *); + + if((*ret_id = H5D_get_access_plist(dset)) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get access property list for dataset") + + break; + } + + /* H5Dget_storage_size */ + case H5VL_DATASET_GET_STORAGE_SIZE: + { + hsize_t *ret = HDva_arg(arguments, hsize_t *); + + /* Set return value */ + if(H5D__get_storage_size(dset, ret) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get size of dataset's storage") + break; + } + + /* H5Dget_offset */ + case H5VL_DATASET_GET_OFFSET: + { + haddr_t *ret = HDva_arg(arguments, haddr_t *); + + /* Set return value */ + *ret = H5D__get_offset(dset); + if(!H5F_addr_defined(*ret)) + *ret = HADDR_UNDEF; + break; + } + + default: + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get this type of information from dataset") + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_dataset_get() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_dataset_specific + * + * Purpose: Handles the dataset specific callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_dataset_specific(void *obj, H5VL_dataset_specific_t specific_type, + hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) +{ + H5D_t *dset = (H5D_t *)obj; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + switch(specific_type) { + /* H5Dspecific_space */ + case H5VL_DATASET_SET_EXTENT: + { + const hsize_t *size = HDva_arg(arguments, const hsize_t *); + + if(H5D__set_extent(dset, size) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to set extent of dataset") + break; + } + + case H5VL_DATASET_FLUSH: + { + hid_t dset_id = HDva_arg(arguments, hid_t); + + /* Flush the dataset */ + if(H5D__flush(dset, dset_id) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTFLUSH, FAIL, "unable to flush dataset") + + break; + } + + case H5VL_DATASET_REFRESH: + { + hid_t dset_id = HDva_arg(arguments, hid_t); + + /* Refresh the dataset */ + if((H5D__refresh(dset_id, dset)) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTLOAD, FAIL, "unable to refresh dataset") + + break; + } + + default: + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid specific operation") + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_dataset_specific() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_dataset_optional + * + * Purpose: Handles the dataset optional callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_dataset_optional(void *obj, hid_t H5_ATTR_UNUSED dxpl_id, + void H5_ATTR_UNUSED **req, va_list arguments) +{ + H5D_t *dset = NULL; /* Dataset */ + H5VL_native_dataset_optional_t optional_type = HDva_arg(arguments, H5VL_native_dataset_optional_t); + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + switch(optional_type) { + case H5VL_NATIVE_DATASET_FORMAT_CONVERT: + { + dset = (H5D_t *)obj; + + switch(dset->shared->layout.type) { + case H5D_CHUNKED: + /* Convert the chunk indexing type to version 1 B-tree if not */ + if(dset->shared->layout.u.chunk.idx_type != H5D_CHUNK_IDX_BTREE) + if((H5D__format_convert(dset)) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTLOAD, FAIL, "unable to downgrade chunk indexing type for dataset") + break; + + case H5D_CONTIGUOUS: + case H5D_COMPACT: + /* Downgrade the layout version to 3 if greater than 3 */ + if(dset->shared->layout.version > H5O_LAYOUT_VERSION_DEFAULT) + if((H5D__format_convert(dset)) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTLOAD, FAIL, "unable to downgrade layout version for dataset") + break; + + case H5D_VIRTUAL: + /* Nothing to do even though layout is version 4 */ + break; + + case H5D_LAYOUT_ERROR: + case H5D_NLAYOUTS: + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid dataset layout type") + + default: + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "unknown dataset layout type") + } /* end switch */ + + break; + } + + case H5VL_NATIVE_DATASET_GET_CHUNK_INDEX_TYPE: + { + H5D_chunk_index_t *idx_type = HDva_arg(arguments, H5D_chunk_index_t *); + + dset = (H5D_t *)obj; + + /* Make sure the dataset is chunked */ + if(H5D_CHUNKED != dset->shared->layout.type) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a chunked dataset") + + /* Get the chunk indexing type */ + *idx_type = dset->shared->layout.u.chunk.idx_type; + + break; + } + + case H5VL_NATIVE_DATASET_GET_CHUNK_STORAGE_SIZE: + { + hsize_t *offset = HDva_arg(arguments, hsize_t *); + hsize_t *chunk_nbytes = HDva_arg(arguments, hsize_t *); + + dset = (H5D_t *)obj; + + /* Make sure the dataset is chunked */ + if(H5D_CHUNKED != dset->shared->layout.type) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a chunked dataset") + + /* Call private function */ + if(H5D__get_chunk_storage_size(dset, offset, chunk_nbytes) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get storage size of chunk") + + break; + } + + case H5VL_NATIVE_DATASET_CHUNK_READ: + { + const hsize_t *offset = HDva_arg(arguments, hsize_t *); + uint32_t *filters = HDva_arg(arguments, uint32_t *); + void *buf = HDva_arg(arguments, void *); + hsize_t offset_copy[H5O_LAYOUT_NDIMS]; /* Internal copy of chunk offset */ + + dset = (H5D_t *)obj; + + /* Check arguments */ + if(NULL == dset->oloc.file) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "dataset is not associated with a file") + if(H5D_CHUNKED != dset->shared->layout.type) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a chunked dataset") + + /* Copy the user's offset array so we can be sure it's terminated properly. + * (we don't want to mess with the user's buffer). + */ + if(H5D__get_offset_copy(dset, offset, offset_copy) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "failure to copy offset array") + + /* Read the raw chunk */ + if(H5D__chunk_direct_read(dset, offset_copy, filters, buf) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_READERROR, FAIL, "can't read unprocessed chunk data") + + break; + } + + case H5VL_NATIVE_DATASET_CHUNK_WRITE: + { + uint32_t filters = HDva_arg(arguments, uint32_t); + const hsize_t *offset = HDva_arg(arguments, const hsize_t *); + uint32_t data_size_32 = HDva_arg(arguments, uint32_t); + const void *buf = HDva_arg(arguments, const void *); + hsize_t offset_copy[H5O_LAYOUT_NDIMS]; /* Internal copy of chunk offset */ + + dset = (H5D_t *)obj; + + /* Check arguments */ + if(NULL == dset->oloc.file) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "dataset is not associated with a file") + if(H5D_CHUNKED != dset->shared->layout.type) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a chunked dataset") + + /* Copy the user's offset array so we can be sure it's terminated properly. + * (we don't want to mess with the user's buffer). + */ + if(H5D__get_offset_copy(dset, offset, offset_copy) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "failure to copy offset array") + + /* Write chunk */ + if(H5D__chunk_direct_write(dset, filters, offset_copy, data_size_32, buf) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_WRITEERROR, FAIL, "can't write unprocessed chunk data") + + break; + } + + default: + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid optional operation") + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_dataset_optional() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_dataset_close + * + * Purpose: Handles the dataset close callback + * + * Return: Success: SUCCEED + * Failure: FAIL (dataset will not be closed) + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_dataset_close(void *dset, hid_t H5_ATTR_UNUSED dxpl_id, + void H5_ATTR_UNUSED **req) +{ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + if(H5D_close((H5D_t*)dset) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTDEC, FAIL, "can't close dataset") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_dataset_close() */ diff --git a/src/H5VLnative_datatype.c b/src/H5VLnative_datatype.c index 636b48b..a81edb4 100644 --- a/src/H5VLnative_datatype.c +++ b/src/H5VLnative_datatype.c @@ -10,4 +10,256 @@ * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ +/* + * Purpose: Datatype callbacks for the native VOL connector + * + */ + +#define H5T_FRIEND /* Suppress error about including H5Tpkg */ + +#include "H5private.h" /* Generic Functions */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5Gprivate.h" /* Groups */ +#include "H5Iprivate.h" /* IDs */ +#include "H5Oprivate.h" /* Object headers */ +#include "H5Pprivate.h" /* Property lists */ +#include "H5Tpkg.h" /* Datatypes */ +#include "H5VLprivate.h" /* Virtual Object Layer */ + +#include "H5VLnative.h" /* Native VOL connector */ + + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_datatype_commit + * + * Purpose: Handles the datatype commit callback + * + * Return: Success: datatype pointer + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VL__native_datatype_commit(void *obj, const H5VL_loc_params_t *loc_params, const char *name, + hid_t type_id, hid_t lcpl_id, hid_t tcpl_id, hid_t H5_ATTR_UNUSED tapl_id, + hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) +{ + H5G_loc_t loc; /* Location to commit datatype */ + H5T_t *dt; /* Datatype for ID */ + H5T_t *type = NULL; /* copy of the original type which will be committed */ + void *ret_value = NULL; /* Return value */ + + FUNC_ENTER_PACKAGE + + /* check arguments */ + if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object") + + if(NULL == (dt = (H5T_t *)H5I_object_verify(type_id, H5I_DATATYPE))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a datatype") + + /* Check arguments. We cannot commit an immutable type because H5Tclose() + * normally fails on such types (try H5Tclose(H5T_NATIVE_INT)) but closing + * a named type should always succeed. + */ + if(H5T_STATE_NAMED == dt->shared->state || H5T_STATE_OPEN == dt->shared->state) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "datatype is already committed") + if(H5T_STATE_IMMUTABLE == dt->shared->state) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "datatype is immutable") + + /* Check for a "sensible" datatype to store on disk */ + if(H5T_is_sensible(dt) <= 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "datatype is not sensible") + + /* Copy the datatype - the copied one will be the type that is + * committed, and attached to original datatype above the VOL + * layer + */ + if(NULL == (type = H5T_copy(dt, H5T_COPY_TRANSIENT))) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "unable to copy"); + + /* Commit the datatype */ + if(NULL != name) { + /* H5Tcommit */ + if(H5T__commit_named(&loc, name, type, lcpl_id, tcpl_id) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "unable to commit datatype") + } /* end if */ + else { + /* H5Tcommit_anon */ + if(H5T__commit_anon(loc.oloc->file, type, tcpl_id) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "unable to commit datatype") + } /* end else */ + + ret_value = (void *)type; + +done: + if(NULL == ret_value && type) + H5T_close(type); + + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_datatype_commit() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_datatype_open + * + * Purpose: Handles the datatype open callback + * + * Return: Success: datatype pointer + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VL__native_datatype_open(void *obj, const H5VL_loc_params_t *loc_params, const char *name, + hid_t H5_ATTR_UNUSED tapl_id, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) +{ + H5T_t *type = NULL; /* Datatype opened in file */ + H5G_loc_t loc; /* Group location of object to open */ + void *ret_value = NULL; + + FUNC_ENTER_PACKAGE + + if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object") + + /* Open the datatype */ + if(NULL == (type = H5T__open_name(&loc, name))) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTOPENOBJ, NULL, "unable to open named datatype") + + type->vol_obj = NULL; + + ret_value = (void *)type; + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_datatype_open() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_datatype_get + * + * Purpose: Handles the datatype get callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_datatype_get(void *obj, H5VL_datatype_get_t get_type, + hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) +{ + H5T_t *dt = (H5T_t *)obj; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + switch (get_type) { + case H5VL_DATATYPE_GET_BINARY: + { + ssize_t *nalloc = HDva_arg(arguments, ssize_t *); + void *buf = HDva_arg(arguments, void *); + size_t size = HDva_arg(arguments, size_t); + + if(H5T_encode(dt, (unsigned char *)buf, &size) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "can't determine serialized length of datatype") + + *nalloc = (ssize_t) size; + break; + } + + /* H5Tget_create_plist */ + case H5VL_DATATYPE_GET_TCPL: + { + hid_t *ret_id = HDva_arg(arguments, hid_t *); + + if(H5I_INVALID_HID == (*ret_id = H5T__get_create_plist(dt))) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTGET, FAIL, "can't get object creation info"); + + break; + } + + default: + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get this type of information from datatype") + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_datatype_get() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_datatype_specific + * + * Purpose: Handles the datatype specific callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_datatype_specific(void *obj, H5VL_datatype_specific_t specific_type, + hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) +{ + H5T_t *dt = (H5T_t *)obj; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + switch(specific_type) { + case H5VL_DATATYPE_FLUSH: + { + hid_t type_id = HDva_arg(arguments, hid_t); + + /* To flush metadata and invoke flush callback if there is */ + if(H5O_flush_common(&dt->oloc, type_id) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTFLUSH, FAIL, "unable to flush datatype") + + break; + } + + case H5VL_DATATYPE_REFRESH: + { + hid_t type_id = HDva_arg(arguments, hid_t); + + /* Call private function to refresh datatype object */ + if((H5O_refresh_metadata(type_id, dt->oloc)) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTLOAD, FAIL, "unable to refresh datatype") + + break; + } + + default: + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid specific operation") + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_datatype_specific() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_datatype_close + * + * Purpose: Handles the datatype close callback + * + * Return: Success: SUCCEED + * Failure: FAIL (datatype will not be closed) + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_datatype_close(void *dt, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) +{ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + if(H5T_close((H5T_t*)dt) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CANTDEC, FAIL, "can't close datatype") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_datatype_close() */ diff --git a/src/H5VLnative_file.c b/src/H5VLnative_file.c index 636b48b..77d6844 100644 --- a/src/H5VLnative_file.c +++ b/src/H5VLnative_file.c @@ -10,4 +10,802 @@ * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ +/* + * Purpose: File callbacks for the native VOL connector + * + */ + +#define H5F_FRIEND /* Suppress error about including H5Fpkg */ + +#include "H5private.h" /* Generic Functions */ +#include "H5ACprivate.h" /* Metadata cache */ +#include "H5Cprivate.h" /* Cache */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5Fpkg.h" /* Files */ +#include "H5Gprivate.h" /* Groups */ +#include "H5Iprivate.h" /* IDs */ +#include "H5MFprivate.h" /* File memory management */ +#include "H5Pprivate.h" /* Property lists */ +#include "H5PBprivate.h" /* Page buffering */ +#include "H5VLprivate.h" /* Virtual Object Layer */ + +#include "H5VLnative.h" /* Native VOL connector */ + + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_file_create + * + * Purpose: Handles the file create callback + * + * Return: Success: file pointer + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VL__native_file_create(const char *name, unsigned flags, hid_t fcpl_id, hid_t fapl_id, + hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) +{ + H5F_t *new_file = NULL; + void *ret_value = NULL; + + FUNC_ENTER_PACKAGE + + /* Adjust bit flags by turning on the creation bit and making sure that + * the EXCL or TRUNC bit is set. All newly-created files are opened for + * reading and writing. + */ + if(0 == (flags & (H5F_ACC_EXCL|H5F_ACC_TRUNC))) + flags |= H5F_ACC_EXCL; /* default */ + flags |= H5F_ACC_RDWR | H5F_ACC_CREAT; + + /* Create the file */ + if(NULL == (new_file = H5F_open(name, flags, fcpl_id, fapl_id))) + HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to create file") + new_file->id_exists = TRUE; + + ret_value = (void *)new_file; + +done: + if(NULL == ret_value && new_file) + if(H5F__close(new_file) < 0) + HDONE_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, NULL, "problems closing file") + + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_file_create() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_file_open + * + * Purpose: Handles the file open callback + * + * Return: Success: file pointer + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VL__native_file_open(const char *name, unsigned flags, hid_t fapl_id, + hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) +{ + H5F_t *new_file = NULL; + void *ret_value = NULL; + + FUNC_ENTER_PACKAGE + + /* Open the file */ + if(NULL == (new_file = H5F_open(name, flags, H5P_FILE_CREATE_DEFAULT, fapl_id))) + HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to open file") + new_file->id_exists = TRUE; + + ret_value = (void *)new_file; + +done: + if(NULL == ret_value && new_file && H5F_try_close(new_file, NULL) < 0) + HDONE_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, NULL, "problems closing file") + + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_file_open() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_file_get + * + * Purpose: Handles the file get callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_file_get(void *obj, H5VL_file_get_t get_type, + hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) +{ + H5F_t *f = NULL; /* File struct */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + switch(get_type) { + /* H5Fget_access_plist */ + case H5VL_FILE_GET_FAPL: + { + H5P_genplist_t *new_plist; /* New property list */ + hid_t *plist_id = HDva_arg(arguments, hid_t *); + + f = (H5F_t *)obj; + + /* Retrieve the file's access property list */ + if((*plist_id = H5F_get_access_plist(f, TRUE)) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get file access property list") + + if(NULL == (new_plist = (H5P_genplist_t *)H5I_object(*plist_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list") + break; + } + + /* H5Fget_create_plist */ + case H5VL_FILE_GET_FCPL: + { + H5P_genplist_t *plist; /* Property list */ + hid_t *plist_id = HDva_arg(arguments, hid_t *); + + f = (H5F_t *)obj; + if(NULL == (plist = (H5P_genplist_t *)H5I_object(f->shared->fcpl_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list") + + /* Create the property list object to return */ + if((*plist_id = H5P_copy_plist(plist, TRUE)) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "unable to copy file creation properties") + + break; + } + + /* H5Fget_obj_count */ + case H5VL_FILE_GET_OBJ_COUNT: + { + unsigned types = HDva_arg(arguments, unsigned); + ssize_t *ret = HDva_arg(arguments, ssize_t *); + size_t obj_count = 0; /* Number of opened objects */ + + f = (H5F_t *)obj; + /* Perform the query */ + if(H5F_get_obj_count(f, types, TRUE, &obj_count) < 0) + HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "H5F_get_obj_count failed") + + /* Set the return value */ + *ret = (ssize_t)obj_count; + break; + } + + /* H5Fget_obj_ids */ + case H5VL_FILE_GET_OBJ_IDS: + { + unsigned types = HDva_arg(arguments, unsigned); + size_t max_objs = HDva_arg(arguments, size_t); + hid_t *oid_list = HDva_arg(arguments, hid_t *); + ssize_t *ret = HDva_arg(arguments, ssize_t *); + size_t obj_count = 0; /* Number of opened objects */ + + f = (H5F_t *)obj; + /* Perform the query */ + if(H5F_get_obj_ids(f, types, max_objs, oid_list, TRUE, &obj_count) < 0) + HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "H5F_get_obj_ids failed") + + /* Set the return value */ + *ret = (ssize_t)obj_count; + break; + } + + /* H5Fget_intent */ + case H5VL_FILE_GET_INTENT: + { + unsigned *intent_flags = HDva_arg(arguments, unsigned *); + + f = (H5F_t *)obj; + + /* HDF5 uses some flags internally that users don't know about. + * Simplify things for them so that they only get either H5F_ACC_RDWR + * or H5F_ACC_RDONLY and any SWMR flags. + */ + if(H5F_INTENT(f) & H5F_ACC_RDWR) { + *intent_flags = H5F_ACC_RDWR; + + /* Check for SWMR write access on the file */ + if(H5F_INTENT(f) & H5F_ACC_SWMR_WRITE) + *intent_flags |= H5F_ACC_SWMR_WRITE; + } /* end if */ + else { + *intent_flags = H5F_ACC_RDONLY; + + /* Check for SWMR read access on the file */ + if(H5F_INTENT(f) & H5F_ACC_SWMR_READ) + *intent_flags |= H5F_ACC_SWMR_READ; + } /* end else */ + + break; + } + + /* H5Fget_name */ + case H5VL_FILE_GET_NAME: + { + H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */ + size_t size = HDva_arg(arguments, size_t); + char *name = HDva_arg(arguments, char *); + ssize_t *ret = HDva_arg(arguments, ssize_t *); + size_t len; + + if(NULL == (f = H5F__get_file(obj, type))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + len = HDstrlen(H5F_OPEN_NAME(f)); + + if(name) { + HDstrncpy(name, H5F_OPEN_NAME(f), MIN(len + 1,size)); + if(len >= size) + name[size-1]='\0'; + } /* end if */ + + /* Set the return value for the API call */ + *ret = (ssize_t)len; + break; + } + + default: + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get this type of information") + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_file_get() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_file_specific + * + * Purpose: Handles the file specific callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_file_specific(void *obj, H5VL_file_specific_t specific_type, + hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) +{ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + switch(specific_type) { + /* H5Fflush */ + case H5VL_FILE_FLUSH: + { + H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */ + H5F_scope_t scope = (H5F_scope_t)HDva_arg(arguments, int); /* enum work-around */ + H5F_t *f = NULL; /* File to flush */ + + /* Get the file for the object */ + if(NULL == (f = H5F__get_file(obj, type))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + /* Nothing to do if the file is read only. This determination is + * made at the shared open(2) flags level, implying that opening a + * file twice, once for read-only and once for read-write, and then + * calling H5Fflush() with the read-only handle, still causes data + * to be flushed. + */ + if(H5F_ACC_RDWR & H5F_INTENT(f)) { + /* Flush other files, depending on scope */ + if(H5F_SCOPE_GLOBAL == scope) { + /* Call the flush routine for mounted file hierarchies */ + if(H5F_flush_mounts(f) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush mounted file hierarchy") + } /* end if */ + else { + /* Call the flush routine, for this file */ + if(H5F__flush(f) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush file's cached information") + } /* end else */ + } /* end if */ + break; + } + + /* H5Freopen */ + case H5VL_FILE_REOPEN: + { + void **ret = HDva_arg(arguments, void **); + H5F_t *new_file = NULL; + + /* Reopen the file through the VOL connector */ + if(NULL == (new_file = H5F__reopen((H5F_t *)obj))) + HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to reopen file") + new_file->id_exists = TRUE; + + *ret = (void *)new_file; + break; + } + + /* H5Fmount */ + case H5VL_FILE_MOUNT: + { + H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */ + const char *name = HDva_arg(arguments, const char *); + H5F_t *child = HDva_arg(arguments, H5F_t *); + hid_t plist_id = HDva_arg(arguments, hid_t); + H5G_loc_t loc; + + if(H5G_loc_real(obj, type, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + /* Do the mount */ + if(H5F__mount(&loc, name, child, plist_id) < 0) + HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "unable to mount file") + + break; + } + + /* H5Funmount */ + case H5VL_FILE_UNMOUNT: + { + H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */ + const char *name = HDva_arg(arguments, const char *); + H5G_loc_t loc; + + if(H5G_loc_real(obj, type, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + /* Unmount */ + if(H5F__unmount(&loc, name) < 0) + HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "unable to unmount file") + + break; + } + + /* H5Fis_accessible */ + case H5VL_FILE_IS_ACCESSIBLE: + { + hid_t fapl_id = HDva_arg(arguments, hid_t); + const char *name = HDva_arg(arguments, const char *); + htri_t *ret = HDva_arg(arguments, htri_t *); + + /* Call private routine */ + if((*ret = H5F__is_hdf5(name, fapl_id)) < 0) + HGOTO_ERROR(H5E_IO, H5E_CANTINIT, FAIL, "error in HDF5 file check") + break; + } + + default: + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid specific operation") + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_file_specific() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_file_optional + * + * Purpose: Handles the file optional callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_file_optional(void *obj, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) +{ + H5F_t *f = NULL; /* File */ + H5VL_native_file_optional_t optional_type = HDva_arg(arguments, H5VL_native_file_optional_t); + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + f = (H5F_t *)obj; + switch(optional_type) { + /* H5Fget_filesize */ + case H5VL_NATIVE_FILE_GET_SIZE: + { + haddr_t max_eof_eoa; /* Maximum of the EOA & EOF */ + haddr_t base_addr; /* Base address for the file */ + hsize_t *size = HDva_arg(arguments, hsize_t *); + + /* Go get the actual file size */ + if(H5F__get_max_eof_eoa(f, &max_eof_eoa) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "file can't get max eof/eoa ") + + base_addr = H5FD_get_base_addr(f->shared->lf); + + if(size) + *size = (hsize_t)(max_eof_eoa + base_addr); /* Convert relative base address for file to absolute address */ + + break; + } + + /* H5Fget_file_image */ + case H5VL_NATIVE_FILE_GET_FILE_IMAGE: + { + void *buf_ptr = HDva_arg(arguments, void *); + ssize_t *ret = HDva_arg(arguments, ssize_t *); + size_t buf_len = HDva_arg(arguments, size_t ); + + /* Do the actual work */ + if((*ret = H5F__get_file_image(f, buf_ptr, buf_len)) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "get file image failed") + break; + } + + /* H5Fget_freespace */ + case H5VL_NATIVE_FILE_GET_FREE_SPACE: + { + hsize_t tot_space; /* Amount of free space in the file */ + hssize_t *ret = HDva_arg(arguments, hssize_t *); + + /* Go get the actual amount of free space in the file */ + if(H5MF_get_freespace(f, &tot_space, NULL) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to check free space for file") + *ret = (hssize_t)tot_space; + break; + } + + /* H5Fget_free_sections */ + case H5VL_NATIVE_FILE_GET_FREE_SECTIONS: + { + H5F_sect_info_t *sect_info = HDva_arg(arguments, H5F_sect_info_t *); + ssize_t *ret = HDva_arg(arguments, ssize_t *); + H5F_mem_t type = (H5F_mem_t)HDva_arg(arguments, int); /* enum work-around */ + size_t nsects = HDva_arg(arguments, size_t); + + /* Go get the free-space section information in the file */ + if((*ret = H5MF_get_free_sections(f, type, nsects, sect_info)) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to check free space for file") + break; + } + + /* H5Fget_info1/2 */ + case H5VL_NATIVE_FILE_GET_INFO: + { + H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */ + H5F_info2_t *finfo = HDva_arg(arguments, H5F_info2_t *); + + /* Get the file struct. This call is careful to not return the file pointer + * for the top file in a mount hierarchy. + */ + if(NULL == (f = H5F__get_file(obj, type))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "could not get a file struct") + + /* Get the file info */ + if(H5F__get_info(f, finfo) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to retrieve file info") + + break; + } + + /* H5Fget_mdc_config */ + case H5VL_NATIVE_FILE_GET_MDC_CONF: + { + H5AC_cache_config_t *config_ptr = HDva_arg(arguments, H5AC_cache_config_t *); + + /* Go get the resize configuration */ + if(H5AC_get_cache_auto_resize_config(f->shared->cache, config_ptr) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "H5AC_get_cache_auto_resize_config() failed.") + break; + } + + /* H5Fget_mdc_hit_rate */ + case H5VL_NATIVE_FILE_GET_MDC_HR: + { + double *hit_rate_ptr = HDva_arg(arguments, double *); + + /* Go get the current hit rate */ + if(H5AC_get_cache_hit_rate(f->shared->cache, hit_rate_ptr) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "H5AC_get_cache_hit_rate() failed.") + break; + } + + /* H5Fget_mdc_size */ + case H5VL_NATIVE_FILE_GET_MDC_SIZE: + { + size_t *max_size_ptr = HDva_arg(arguments, size_t *); + size_t *min_clean_size_ptr = HDva_arg(arguments, size_t *); + size_t *cur_size_ptr = HDva_arg(arguments, size_t *); + int *cur_num_entries_ptr = HDva_arg(arguments, int *); + uint32_t cur_num_entries; + + /* Go get the size data */ + if(H5AC_get_cache_size(f->shared->cache, max_size_ptr, min_clean_size_ptr, + cur_size_ptr, &cur_num_entries) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "H5AC_get_cache_size() failed.") + + if(cur_num_entries_ptr != NULL) + *cur_num_entries_ptr = (int)cur_num_entries; + break; + } + + /* H5Fget_vfd_handle */ + case H5VL_NATIVE_FILE_GET_VFD_HANDLE: + { + void **file_handle = HDva_arg(arguments, void **); + hid_t fapl_id = HDva_arg(arguments, hid_t); + + /* Retrieve the VFD handle for the file */ + if(H5F_get_vfd_handle(f, fapl_id, file_handle) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve VFD handle") + break; + } + + /* H5Iget_file_id */ + case H5VL_NATIVE_FILE_GET_FILE_ID: + { + H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */ + hid_t *file_id = HDva_arg(arguments, hid_t *); + + if(NULL == (f = H5F__get_file(obj, type))) + HGOTO_ERROR(H5E_FILE, H5E_BADTYPE, FAIL, "not a file or file object") + if((*file_id = H5F__get_file_id(f)) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't get file ID") + break; + } + + /* H5Fclear_elink_file_cache */ + case H5VL_NATIVE_FILE_CLEAR_ELINK_CACHE: + { + /* Release the EFC */ + if(f->shared->efc) + if(H5F__efc_release(f->shared->efc) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "can't release external file cache") + break; + } + + /* H5Freset_mdc_hit_rate_stats */ + case H5VL_NATIVE_FILE_RESET_MDC_HIT_RATE: + { + /* Reset the hit rate statistic */ + if(H5AC_reset_cache_hit_rate_stats(f->shared->cache) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "can't reset cache hit rate") + break; + } + + /* H5Fset_mdc_config */ + case H5VL_NATIVE_FILE_SET_MDC_CONFIG: + { + H5AC_cache_config_t *config_ptr = HDva_arg(arguments, H5AC_cache_config_t *); + + /* set the resize configuration */ + if(H5AC_set_cache_auto_resize_config(f->shared->cache, config_ptr) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "H5AC_set_cache_auto_resize_config() failed") + break; + } + + /* H5Fget_metadata_read_retry_info */ + case H5VL_NATIVE_FILE_GET_METADATA_READ_RETRY_INFO: + { + H5F_retry_info_t *info = HDva_arg(arguments, H5F_retry_info_t *); + + if(H5F_get_metadata_read_retry_info(f, info) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "can't get metadata read retry info") + + break; + } + + /* H5Fstart_swmr_write */ + case H5VL_NATIVE_FILE_START_SWMR_WRITE: + { + if(H5F__start_swmr_write(f) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "can't start SWMR write") + + break; + } + + /* H5Fstart_mdc_logging */ + case H5VL_NATIVE_FILE_START_MDC_LOGGING: + { + /* Call mdc logging function */ + if(H5C_start_logging(f->shared->cache) < 0) + HGOTO_ERROR(H5E_FILE, H5E_LOGFAIL, FAIL, "unable to start mdc logging") + + break; + } + + /* H5Fstop_mdc_logging */ + case H5VL_NATIVE_FILE_STOP_MDC_LOGGING: + { + /* Call mdc logging function */ + if(H5C_stop_logging(f->shared->cache) < 0) + HGOTO_ERROR(H5E_FILE, H5E_LOGFAIL, FAIL, "unable to stop mdc logging") + + break; + } + + /* H5Fget_mdc_logging_status */ + case H5VL_NATIVE_FILE_GET_MDC_LOGGING_STATUS: + { + hbool_t *is_enabled = HDva_arg(arguments, hbool_t *); + hbool_t *is_currently_logging = HDva_arg(arguments, hbool_t *); + + /* Call mdc logging function */ + if(H5C_get_logging_status(f->shared->cache, is_enabled, is_currently_logging) < 0) + HGOTO_ERROR(H5E_FILE, H5E_LOGFAIL, FAIL, "unable to get logging status") + + break; + } + + /* H5Fformat_convert */ + case H5VL_NATIVE_FILE_FORMAT_CONVERT: + { + /* Convert the format */ + if(H5F__format_convert(f) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTCONVERT, FAIL, "can't convert file format") + + break; + } + + /* H5Freset_page_buffering_stats */ + case H5VL_NATIVE_FILE_RESET_PAGE_BUFFERING_STATS: + { + /* Sanity check */ + if(NULL == f->shared->page_buf) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "page buffering not enabled on file") + + /* Reset the statistics */ + if(H5PB_reset_stats(f->shared->page_buf) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't reset stats for page buffering") + + break; + } + + /* H5Fget_page_buffering_stats */ + case H5VL_NATIVE_FILE_GET_PAGE_BUFFERING_STATS: + { + unsigned *accesses = HDva_arg(arguments, unsigned *); + unsigned *hits = HDva_arg(arguments, unsigned *); + unsigned *misses = HDva_arg(arguments, unsigned *); + unsigned *evictions = HDva_arg(arguments, unsigned *); + unsigned *bypasses = HDva_arg(arguments, unsigned *); + + /* Sanity check */ + if(NULL == f->shared->page_buf) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "page buffering not enabled on file") + + /* Get the statistics */ + if(H5PB_get_stats(f->shared->page_buf, accesses, hits, misses, evictions, bypasses) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve stats for page buffering") + + break; + } + + /* H5Fget_mdc_image_info */ + case H5VL_NATIVE_FILE_GET_MDC_IMAGE_INFO: + { + haddr_t *image_addr = HDva_arg(arguments, haddr_t *); + hsize_t *image_len = HDva_arg(arguments, hsize_t *); + + /* Go get the address and size of the cache image */ + if(H5AC_get_mdc_image_info(f->shared->cache, image_addr, image_len) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve cache image info") + + break; + } + + /* H5Fget_eoa */ + case H5VL_NATIVE_FILE_GET_EOA: + { + haddr_t *eoa = HDva_arg(arguments, haddr_t *); + haddr_t rel_eoa; /* Relative address of EOA */ + + /* Sanity check */ + HDassert(eoa); + + /* This routine will work only for drivers with this feature enabled.*/ + /* We might introduce a new feature flag in the future */ + if(!H5F_HAS_FEATURE(f, H5FD_FEAT_SUPPORTS_SWMR_IO)) + HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "must use a SWMR-compatible VFD for this public routine") + + /* The real work */ + if(HADDR_UNDEF == (rel_eoa = H5F_get_eoa(f, H5FD_MEM_DEFAULT))) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "get_eoa request failed") + + /* Set return value */ + /* (Note compensating for base address subtraction in internal routine) */ + *eoa = rel_eoa + H5F_get_base_addr(f); + + break; + } + + /* H5Fincrement_filesize */ + case H5VL_NATIVE_FILE_INCR_FILESIZE: + { + hsize_t increment = HDva_arg(arguments, hsize_t); + haddr_t max_eof_eoa; /* Maximum of the relative EOA & EOF */ + + /* This public routine will work only for drivers with this feature enabled.*/ + /* We might introduce a new feature flag in the future */ + if(!H5F_HAS_FEATURE(f, H5FD_FEAT_SUPPORTS_SWMR_IO)) + HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "must use a SWMR-compatible VFD for this public routine") + + /* Get the maximum of EOA and EOF */ + if(H5F__get_max_eof_eoa(f, &max_eof_eoa) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "file can't get max eof/eoa ") + + /* Set EOA to the maximum value + increment */ + if(H5F__set_eoa(f, H5FD_MEM_DEFAULT, max_eof_eoa + increment) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "driver set_eoa request failed") + + break; + } + + /* H5Fset_latest_format, H5Fset_libver_bounds */ + case H5VL_NATIVE_FILE_SET_LIBVER_BOUNDS: + { + H5F_libver_t low = (H5F_libver_t)HDva_arg(arguments, int); /* enum work-around */ + H5F_libver_t high = (H5F_libver_t)HDva_arg(arguments, int); /* enum work-around */ + + /* Call internal set_libver_bounds function */ + if(H5F__set_libver_bounds(f, low, high) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "cannot set low/high bounds") + + break; + } + + default: + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid optional operation") + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_file_optional() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_file_close + * + * Purpose: Handles the file close callback + * + * Return: Success: SUCCEED + * Failure: FAIL (file will not be closed) + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_file_close(void *file, hid_t H5_ATTR_UNUSED dxpl_id, + void H5_ATTR_UNUSED **req) +{ + int nref; + H5F_t *f = (H5F_t *)file; + hid_t file_id = H5I_INVALID_HID; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + /* This routine should only be called when a file ID's ref count drops to zero */ + HDassert(H5F_ID_EXISTS(f)); + + /* Flush file if this is the last reference to this id and we have write + * intent, unless it will be flushed by the "shared" file being closed. + * This is only necessary to replicate previous behaviour, and could be + * disabled by an option/property to improve performance. + */ + if((H5F_NREFS(f) > 1) && (H5F_INTENT(f) & H5F_ACC_RDWR)) { + /* Get the file ID corresponding to the H5F_t struct */ + if(H5I_find_id(f, H5I_FILE, &file_id) < 0 || H5I_INVALID_HID == file_id) + HGOTO_ERROR(H5E_ATOM, H5E_CANTGET, FAIL, "invalid atom") + + /* Get the number of references outstanding for this file ID */ + if((nref = H5I_get_ref(file_id, FALSE)) < 0) + HGOTO_ERROR(H5E_ATOM, H5E_CANTGET, FAIL, "can't get ID ref count") + if(nref == 1) + if(H5F__flush(f) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "unable to flush cache") + } /* end if */ + + /* Close the file */ + if(H5F__close(f) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTDEC, FAIL, "can't close file") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_file_close() */ diff --git a/src/H5VLnative_group.c b/src/H5VLnative_group.c index 636b48b..20b1b79 100644 --- a/src/H5VLnative_group.c +++ b/src/H5VLnative_group.c @@ -10,4 +10,354 @@ * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ +/* + * Purpose: Group callbacks for the native VOL connector + * + */ + +#define H5G_FRIEND /* Suppress error about including H5Gpkg */ + +#include "H5private.h" /* Generic Functions */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5Gpkg.h" /* Groups */ +#include "H5Iprivate.h" /* IDs */ +#include "H5Oprivate.h" /* Object headers */ +#include "H5Pprivate.h" /* Property lists */ +#include "H5VLprivate.h" /* Virtual Object Layer */ + +#include "H5VLnative.h" /* Native VOL connector */ + + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_group_create + * + * Purpose: Handles the group create callback + * + * Return: Success: group pointer + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VL__native_group_create(void *obj, const H5VL_loc_params_t *loc_params, const char *name, + hid_t gcpl_id, hid_t H5_ATTR_UNUSED gapl_id, hid_t H5_ATTR_UNUSED dxpl_id, + void H5_ATTR_UNUSED **req) +{ + H5P_genplist_t *plist; /* Property list pointer */ + H5G_loc_t loc; /* Location to create group */ + H5G_t *grp = NULL; /* New group created */ + hid_t lcpl_id; + void *ret_value; + + FUNC_ENTER_PACKAGE + + /* Get the property list structure */ + if(NULL == (plist = (H5P_genplist_t *)H5I_object(gcpl_id))) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, NULL, "can't find object for ID") + + /* Get creation properties */ + if(H5P_get(plist, H5VL_PROP_GRP_LCPL_ID, &lcpl_id) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "can't get property value for lcpl id") + + /* Set up the location */ + if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object") + + /* if name is NULL then this is from H5Gcreate_anon */ + if(name == NULL) { + H5G_obj_create_t gcrt_info; /* Information for group creation */ + + /* Set up group creation info */ + gcrt_info.gcpl_id = gcpl_id; + gcrt_info.cache_type = H5G_NOTHING_CACHED; + HDmemset(&gcrt_info.cache, 0, sizeof(gcrt_info.cache)); + + /* Create the new group & get its ID */ + if(NULL == (grp = H5G__create(loc.oloc->file, &gcrt_info))) + HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, NULL, "unable to create group") + } /* end if */ + /* otherwise it's from H5Gcreate */ + else { + /* Create the new group & get its ID */ + if(NULL == (grp = H5G__create_named(&loc, name, lcpl_id, gcpl_id))) + HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, NULL, "unable to create group") + } /* end else */ + + ret_value = (void *)grp; + +done: + if(name == NULL) { + /* Release the group's object header, if it was created */ + if(grp) { + H5O_loc_t *oloc; /* Object location for group */ + + /* Get the new group's object location */ + if(NULL == (oloc = H5G_oloc(grp))) + HDONE_ERROR(H5E_SYM, H5E_CANTGET, NULL, "unable to get object location of group") + + /* Decrement refcount on group's object header in memory */ + if(H5O_dec_rc_by_loc(oloc) < 0) + HDONE_ERROR(H5E_SYM, H5E_CANTDEC, NULL, "unable to decrement refcount on newly created object") + } /* end if */ + } /* end if */ + + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_group_create() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_group_open + * + * Purpose: Handles the group open callback + * + * Return: Success: group pointer + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VL__native_group_open(void *obj, const H5VL_loc_params_t *loc_params, const char *name, + hid_t H5_ATTR_UNUSED gapl_id, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) +{ + H5G_loc_t loc; /* Location to open group */ + H5G_t *grp = NULL; /* New group opend */ + void *ret_value; + + FUNC_ENTER_PACKAGE + + /* Set up the location */ + if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object") + + /* Open the group */ + if((grp = H5G__open_name(&loc, name)) == NULL) + HGOTO_ERROR(H5E_SYM, H5E_CANTOPENOBJ, NULL, "unable to open group") + + ret_value = (void *)grp; + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_group_open() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_group_get + * + * Purpose: Handles the group get callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_group_get(void *obj, H5VL_group_get_t get_type, + hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) +{ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + switch(get_type) { + /* H5Gget_create_plist */ + case H5VL_GROUP_GET_GCPL: + { + hid_t *new_gcpl_id = HDva_arg(arguments, hid_t *); + H5G_t *grp = (H5G_t *)obj; + + if((*new_gcpl_id = H5G_get_create_plist(grp)) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get creation property list for group") + break; + } + + /* H5Gget_info */ + case H5VL_GROUP_GET_INFO: + { + const H5VL_loc_params_t *loc_params = HDva_arg(arguments, const H5VL_loc_params_t *); + H5G_info_t *group_info = HDva_arg(arguments, H5G_info_t *); + H5G_loc_t loc; + + if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + if(loc_params->type == H5VL_OBJECT_BY_SELF) { + /* H5Gget_info */ + + /* Retrieve the group's information */ + if(H5G__obj_info(loc.oloc, group_info) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "can't retrieve group info") + } /* end if */ + else if(loc_params->type == H5VL_OBJECT_BY_NAME) { + /* H5Gget_info_by_name */ + + /* Retrieve the group's information */ + if(H5G__get_info_by_name(&loc, loc_params->loc_data.loc_by_name.name, group_info) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "can't retrieve group info") + } /* end else-if */ + else if(loc_params->type == H5VL_OBJECT_BY_IDX) { + /* H5Gget_info_by_idx */ + + /* Retrieve the group's information */ + if(H5G__get_info_by_idx(&loc, loc_params->loc_data.loc_by_idx.name, loc_params->loc_data.loc_by_idx.idx_type, + loc_params->loc_data.loc_by_idx.order, loc_params->loc_data.loc_by_idx.n, group_info) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "can't retrieve group info") + } /* end else-if */ + else + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown get info parameters") + break; + } + + default: + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get this type of information from group") + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_group_get() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_group_specific + * + * Purpose: Handles the group specific callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_group_specific(void *obj, H5VL_group_specific_t specific_type, + hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) +{ + H5G_t *grp = (H5G_t *)obj; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + switch(specific_type) { + case H5VL_GROUP_FLUSH: + { + hid_t group_id = HDva_arg(arguments, hid_t); + + /* Flush object's metadata to file */ + if(H5O_flush_common(&grp->oloc, group_id) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CANTFLUSH, FAIL, "unable to flush group") + + break; + } + + case H5VL_GROUP_REFRESH: + { + hid_t group_id = HDva_arg(arguments, hid_t); + + /* Call private function to refresh group object */ + if((H5O_refresh_metadata(group_id, grp->oloc)) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CANTLOAD, FAIL, "unable to refresh group") + + break; + } + + default: + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid specific operation") + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_group_specific() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_group_optional + * + * Purpose: Handles the group optional callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_group_optional(void *obj, hid_t H5_ATTR_UNUSED dxpl_id, + void H5_ATTR_UNUSED **req, va_list arguments) +{ + H5VL_native_group_optional_t optional_type; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + optional_type = HDva_arg(arguments, H5VL_native_group_optional_t); + switch(optional_type) { +#ifndef H5_NO_DEPRECATED_SYMBOLS + /* H5Giterate (deprecated) */ + case H5VL_NATIVE_GROUP_ITERATE_OLD: + { + const H5VL_loc_params_t *loc_params = HDva_arg(arguments, const H5VL_loc_params_t *); + hsize_t idx = HDva_arg(arguments, hsize_t); + hsize_t *last_obj = HDva_arg(arguments, hsize_t *); + const H5G_link_iterate_t *lnk_op = HDva_arg(arguments, const H5G_link_iterate_t *); + void *op_data = HDva_arg(arguments, void *); + H5G_loc_t grp_loc; + + /* Get the location struct for the object */ + if(H5G_loc_real(obj, loc_params->obj_type, &grp_loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + /* Call the actual iteration routine */ + if((ret_value = H5G_iterate(&grp_loc, loc_params->loc_data.loc_by_name.name, H5_INDEX_NAME, H5_ITER_INC, idx, last_obj, lnk_op, op_data)) < 0) + HERROR(H5E_VOL, H5E_BADITER, "error iterating over group's links"); + + break; + } + + /* H5Gget_objinfo (deprecated) */ + case H5VL_NATIVE_GROUP_GET_OBJINFO: + { + const H5VL_loc_params_t *loc_params = HDva_arg(arguments, const H5VL_loc_params_t *); + hbool_t follow_link = (hbool_t)HDva_arg(arguments, unsigned); + H5G_stat_t *statbuf = HDva_arg(arguments, H5G_stat_t *); + H5G_loc_t grp_loc; + + /* Get the location struct for the object */ + if(H5G_loc_real(obj, loc_params->obj_type, &grp_loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + /* Call the actual group objinfo routine */ + if(H5G__get_objinfo(&grp_loc, loc_params->loc_data.loc_by_name.name, follow_link, statbuf) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "cannot stat object") + + break; + } +#endif /* H5_NO_DEPRECATED_SYMBOLS */ + + default: + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid optional operation") + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_group_optional() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_group_close + * + * Purpose: Handles the group close callback + * + * Return: Success: SUCCEED + * Failure: FAIL (group will not be closed) + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_group_close(void *grp, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) +{ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + if(H5G_close((H5G_t *)grp) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CLOSEERROR, FAIL, "can't close group") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_group_close() */ diff --git a/src/H5VLnative_link.c b/src/H5VLnative_link.c index 636b48b..6f276ad 100644 --- a/src/H5VLnative_link.c +++ b/src/H5VLnative_link.c @@ -10,4 +10,426 @@ * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ +/* + * Purpose: Link callbacks for the native VOL connector + * + */ + +#define H5L_FRIEND /* Suppress error about including H5Lpkg */ + +#include "H5private.h" /* Generic Functions */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5Gprivate.h" /* Groups */ +#include "H5Iprivate.h" /* IDs */ +#include "H5Lpkg.h" /* Links */ +#include "H5Pprivate.h" /* Property lists */ +#include "H5VLprivate.h" /* Virtual Object Layer */ + +#include "H5VLnative.h" /* Native VOL connector */ + + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_link_create + * + * Purpose: Handles the link create callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_link_create(H5VL_link_create_type_t create_type, void *obj, + const H5VL_loc_params_t *loc_params, hid_t lcpl_id, hid_t H5_ATTR_UNUSED lapl_id, + hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) +{ + H5P_genplist_t *plist; /* Property list pointer */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + /* Get the plist structure */ + if(NULL == (plist = (H5P_genplist_t *)H5I_object(lcpl_id))) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID"); + + switch(create_type) { + case H5VL_LINK_CREATE_HARD: + { + H5G_loc_t cur_loc; + H5G_loc_t link_loc; + void *cur_obj; + H5VL_loc_params_t cur_params; + + if(H5P_get(plist, H5VL_PROP_LINK_TARGET, &cur_obj) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get property value for current location id") + if(H5P_get(plist, H5VL_PROP_LINK_TARGET_LOC_PARAMS, &cur_params) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get property value for current name") + + if(NULL != cur_obj && H5G_loc_real(cur_obj, cur_params.obj_type, &cur_loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + if(NULL != obj && H5G_loc_real(obj, loc_params->obj_type, &link_loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + /* H5Lcreate_hard */ + if(H5VL_OBJECT_BY_NAME == cur_params.type) { + H5G_loc_t *cur_loc_p, *link_loc_p; + + /* Set up current & new location pointers */ + cur_loc_p = &cur_loc; + link_loc_p = &link_loc; + if(NULL == cur_obj) + cur_loc_p = link_loc_p; + else if(NULL == obj) + link_loc_p = cur_loc_p; + else if(cur_loc_p->oloc->file != link_loc_p->oloc->file) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "source and destination should be in the same file.") + + /* Create the link */ + if((ret_value = H5L_create_hard(cur_loc_p, cur_params.loc_data.loc_by_name.name, + link_loc_p, loc_params->loc_data.loc_by_name.name, lcpl_id)) < 0) + HGOTO_ERROR(H5E_LINK, H5E_CANTINIT, FAIL, "unable to create link") + } /* end if */ + else { /* H5Olink */ + /* Link to the object */ + if(H5L_link(&link_loc, loc_params->loc_data.loc_by_name.name, &cur_loc, lcpl_id) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTINIT, FAIL, "unable to create link") + } /* end else */ + break; + } + + case H5VL_LINK_CREATE_SOFT: + { + char *target_name; + H5G_loc_t link_loc; /* Group location for new link */ + + if(H5G_loc_real(obj, loc_params->obj_type, &link_loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + if(H5P_get(plist, H5VL_PROP_LINK_TARGET_NAME, &target_name) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get property value for targe name") + + /* Create the link */ + if((ret_value = H5L_create_soft(target_name, &link_loc, loc_params->loc_data.loc_by_name.name, lcpl_id)) < 0) + HGOTO_ERROR(H5E_LINK, H5E_CANTINIT, FAIL, "unable to create link") + break; + } + + case H5VL_LINK_CREATE_UD: + { + H5G_loc_t link_loc; /* Group location for new link */ + H5L_type_t link_type; + void *udata; + size_t udata_size; + + if(H5G_loc_real(obj, loc_params->obj_type, &link_loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + if(H5P_get(plist, H5VL_PROP_LINK_TYPE, &link_type) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get property value for link type") + if(H5P_get(plist, H5VL_PROP_LINK_UDATA, &udata) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get property value for udata") + if(H5P_get(plist, H5VL_PROP_LINK_UDATA_SIZE, &udata_size) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get property value for udata size") + + /* Create link */ + if(H5L__create_ud(&link_loc, loc_params->loc_data.loc_by_name.name, udata, udata_size, + link_type, lcpl_id) < 0) + HGOTO_ERROR(H5E_LINK, H5E_CANTINIT, FAIL, "unable to create link") + break; + } + + default: + HGOTO_ERROR(H5E_LINK, H5E_CANTINIT, FAIL, "invalid link creation call") + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_link_create() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_link_copy + * + * Purpose: Handles the link copy callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_link_copy(void *src_obj, const H5VL_loc_params_t *loc_params1, + void *dst_obj, const H5VL_loc_params_t *loc_params2, hid_t lcpl_id, + hid_t H5_ATTR_UNUSED lapl_id, hid_t H5_ATTR_UNUSED dxpl_id, + void H5_ATTR_UNUSED **req) +{ + H5G_loc_t src_loc, *src_loc_p; + H5G_loc_t dst_loc, *dst_loc_p; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + if(NULL != src_obj && H5G_loc_real(src_obj, loc_params1->obj_type, &src_loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + if(NULL != dst_obj && H5G_loc_real(dst_obj, loc_params2->obj_type, &dst_loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + /* Set up src & dst location pointers */ + src_loc_p = &src_loc; + dst_loc_p = &dst_loc; + if(NULL == src_obj) + src_loc_p = dst_loc_p; + else if(NULL == dst_obj) + dst_loc_p = src_loc_p; + + /* Copy the link */ + if(H5L_move(src_loc_p, loc_params1->loc_data.loc_by_name.name, + dst_loc_p, loc_params2->loc_data.loc_by_name.name, + TRUE, lcpl_id) < 0) + HGOTO_ERROR(H5E_LINK, H5E_CANTCOPY, FAIL, "unable to copy link") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_link_copy() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_link_move + * + * Purpose: Handles the link move callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_link_move(void *src_obj, const H5VL_loc_params_t *loc_params1, + void *dst_obj, const H5VL_loc_params_t *loc_params2, hid_t lcpl_id, + hid_t H5_ATTR_UNUSED lapl_id, hid_t H5_ATTR_UNUSED dxpl_id, + void H5_ATTR_UNUSED **req) +{ + H5G_loc_t src_loc, *src_loc_p; + H5G_loc_t dst_loc, *dst_loc_p; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + if(NULL != src_obj && H5G_loc_real(src_obj, loc_params1->obj_type, &src_loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + if(NULL != dst_obj && H5G_loc_real(dst_obj, loc_params2->obj_type, &dst_loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + /* Set up src & dst location pointers */ + src_loc_p = &src_loc; + dst_loc_p = &dst_loc; + if(NULL == src_obj) + src_loc_p = dst_loc_p; + else if(NULL == dst_obj) + dst_loc_p = src_loc_p; + + /* Move the link */ + if(H5L_move(src_loc_p, loc_params1->loc_data.loc_by_name.name, + dst_loc_p, loc_params2->loc_data.loc_by_name.name, + FALSE, lcpl_id) < 0) + HGOTO_ERROR(H5E_LINK, H5E_CANTMOVE, FAIL, "unable to move link") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_link_move() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_link_get + * + * Purpose: Handles the link get callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_link_get(void *obj, const H5VL_loc_params_t *loc_params, H5VL_link_get_t get_type, + hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) +{ + H5G_loc_t loc; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + switch(get_type) { + /* H5Lget_info/H5Lget_info_by_idx */ + case H5VL_LINK_GET_INFO: + { + H5L_info_t *linfo = HDva_arg(arguments, H5L_info_t *); + + /* Get the link information */ + if(loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Lget_info */ + if(H5L_get_info(&loc, loc_params->loc_data.loc_by_name.name, linfo) < 0) + HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to get link info") + } /* end if */ + else if(loc_params->type == H5VL_OBJECT_BY_IDX) { /* H5Lget_info_by_idx */ + if(H5L_get_info_by_idx(&loc, loc_params->loc_data.loc_by_idx.name, loc_params->loc_data.loc_by_idx.idx_type, + loc_params->loc_data.loc_by_idx.order, loc_params->loc_data.loc_by_idx.n, linfo) < 0) + HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to get link info") + } /* end else-if */ + else + HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to get link info") + break; + } + + /* H5Lget_name_by_idx */ + case H5VL_LINK_GET_NAME: + { + char *name = HDva_arg(arguments, char *); + size_t size = HDva_arg(arguments, size_t); + ssize_t *ret = HDva_arg(arguments, ssize_t *); + + /* Get the link name */ + if((*ret = H5L_get_name_by_idx(&loc, loc_params->loc_data.loc_by_idx.name, loc_params->loc_data.loc_by_idx.idx_type, + loc_params->loc_data.loc_by_idx.order, loc_params->loc_data.loc_by_idx.n, name, size)) < 0) + HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to get link info") + + break; + } + + /* H5Lget_val/H5Lget_val_by_idx */ + case H5VL_LINK_GET_VAL: + { + void *buf = HDva_arg(arguments, void *); + size_t size = HDva_arg(arguments, size_t); + + /* Get the link information */ + if(loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Lget_val */ + if(H5L_get_val(&loc, loc_params->loc_data.loc_by_name.name, buf, size) < 0) + HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to get link value") + } + else if(loc_params->type == H5VL_OBJECT_BY_IDX) { /* H5Lget_val_by_idx */ + + if(H5L_get_val_by_idx(&loc, loc_params->loc_data.loc_by_idx.name, loc_params->loc_data.loc_by_idx.idx_type, + loc_params->loc_data.loc_by_idx.order, loc_params->loc_data.loc_by_idx.n, buf, size) < 0) + HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to get link val") + } + else + HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to get link val") + + break; + } + + default: + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get this type of information from link") + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_link_get() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_link_specific + * + * Purpose: Handles the link specific callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_link_specific(void *obj, const H5VL_loc_params_t *loc_params, H5VL_link_specific_t specific_type, + hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) +{ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + switch(specific_type) { + case H5VL_LINK_EXISTS: + { + htri_t *ret = HDva_arg(arguments, htri_t *); + H5G_loc_t loc; + + if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + /* Check for the existence of the link */ + if((*ret = H5L_exists(&loc, loc_params->loc_data.loc_by_name.name)) < 0) + HGOTO_ERROR(H5E_LINK, H5E_NOTFOUND, FAIL, "unable to specific link info") + break; + } + + case H5VL_LINK_ITER: + { + H5G_loc_t loc; + hbool_t recursive = (hbool_t)HDva_arg(arguments, unsigned); + H5_index_t idx_type = (H5_index_t)HDva_arg(arguments, int); /* enum work-around */ + H5_iter_order_t order = (H5_iter_order_t)HDva_arg(arguments, int); /* enum work-around */ + hsize_t *idx_p = HDva_arg(arguments, hsize_t *); + H5L_iterate_t op = HDva_arg(arguments, H5L_iterate_t); + void *op_data = HDva_arg(arguments, void *); + + /* Get the location */ + if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + + /* Visit or iterate over the links */ + if(loc_params->type == H5VL_OBJECT_BY_SELF) { + if(recursive) { + /* H5Lvisit */ + if((ret_value = H5G_visit(&loc, ".", idx_type, order, op, op_data)) < 0) + HGOTO_ERROR(H5E_LINK, H5E_BADITER, FAIL, "link visitation failed") + } /* end if */ + else { + /* H5Literate */ + if((ret_value = H5L_iterate(&loc, ".", idx_type, order, idx_p, op, op_data)) < 0) + HGOTO_ERROR(H5E_LINK, H5E_BADITER, FAIL, "error iterating over links") + } /* end else */ + } /* end if */ + else if(loc_params->type == H5VL_OBJECT_BY_NAME) { + if(recursive) { + /* H5Lvisit_by_name */ + if((ret_value = H5G_visit(&loc, loc_params->loc_data.loc_by_name.name, idx_type, order, op, op_data)) < 0) + HGOTO_ERROR(H5E_LINK, H5E_BADITER, FAIL, "link visitation failed") + } /* end if */ + else { + /* H5Literate_by_name */ + if((ret_value = H5L_iterate(&loc, loc_params->loc_data.loc_by_name.name, idx_type, order, idx_p, op, op_data)) < 0) + HGOTO_ERROR(H5E_LINK, H5E_BADITER, FAIL, "error iterating over links") + } /* end else */ + } /* end else-if */ + else + HGOTO_ERROR(H5E_LINK, H5E_UNSUPPORTED, FAIL, "unknown link iterate params") + + break; + } + + case H5VL_LINK_DELETE: + { + H5G_loc_t loc; + + if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + /* Unlink */ + if(loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Ldelete */ + if(H5L_delete(&loc, loc_params->loc_data.loc_by_name.name) < 0) + HGOTO_ERROR(H5E_LINK, H5E_CANTDELETE, FAIL, "unable to delete link") + } /* end if */ + else if(loc_params->type == H5VL_OBJECT_BY_IDX) { /* H5Ldelete_by_idx */ + if(H5L_delete_by_idx(&loc, loc_params->loc_data.loc_by_idx.name, loc_params->loc_data.loc_by_idx.idx_type, + loc_params->loc_data.loc_by_idx.order, loc_params->loc_data.loc_by_idx.n) < 0) + HGOTO_ERROR(H5E_LINK, H5E_CANTDELETE, FAIL, "unable to delete link") + } /* end else-if */ + else + HGOTO_ERROR(H5E_LINK, H5E_CANTDELETE, FAIL, "unable to delete link") + break; + } + + default: + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid specific operation") + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_link_specific() */ diff --git a/src/H5VLnative_object.c b/src/H5VLnative_object.c index 636b48b..b739526 100644 --- a/src/H5VLnative_object.c +++ b/src/H5VLnative_object.c @@ -10,4 +10,473 @@ * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ +/* + * Purpose: Object callbacks for the native VOL connector + * + */ + +#define H5O_FRIEND /* Suppress error about including H5Opkg */ +#define H5R_FRIEND /* Suppress error about including H5Rpkg */ + +#include "H5private.h" /* Generic Functions */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5Fprivate.h" /* Files */ +#include "H5Gprivate.h" /* Groups */ +#include "H5Iprivate.h" /* IDs */ +#include "H5Opkg.h" /* Object headers */ +#include "H5Pprivate.h" /* Property lists */ +#include "H5Rpkg.h" /* References */ +#include "H5VLprivate.h" /* Virtual Object Layer */ + +#include "H5VLnative.h" /* Native VOL connector */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_object_open + * + * Purpose: Handles the object open callback + * + * Return: Success: object pointer + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +void * +H5VL__native_object_open(void *obj, const H5VL_loc_params_t *loc_params, H5I_type_t *opened_type, + hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) +{ + H5G_loc_t loc; + void *ret_value = NULL; + + FUNC_ENTER_PACKAGE + + if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file or file object") + + switch(loc_params->type) { + case H5VL_OBJECT_BY_NAME: + { + /* Open the object */ + if(NULL == (ret_value = H5O_open_name(&loc, loc_params->loc_data.loc_by_name.name, opened_type))) + HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, NULL, "unable to open object by name") + break; + } + + case H5VL_OBJECT_BY_IDX: + { + /* Open the object */ + if(NULL == (ret_value = H5O_open_by_idx(&loc, loc_params->loc_data.loc_by_idx.name, loc_params->loc_data.loc_by_idx.idx_type, + loc_params->loc_data.loc_by_idx.order, loc_params->loc_data.loc_by_idx.n, opened_type))) + HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, NULL, "unable to open object by index") + break; + } + + case H5VL_OBJECT_BY_ADDR: + { + /* Open the object */ + if(NULL == (ret_value = H5O_open_by_addr(&loc, loc_params->loc_data.loc_by_addr.addr, opened_type))) + HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, NULL, "unable to open object by address") + break; + } + + case H5VL_OBJECT_BY_REF: + { + hid_t temp_id = H5I_INVALID_HID; + H5F_t *file = NULL; + + /* Get the file pointer from the entry */ + file = loc.oloc->file; + + /* Create reference */ + if((temp_id = H5R__dereference(file, loc_params->loc_data.loc_by_ref.lapl_id, + loc_params->loc_data.loc_by_ref.ref_type, + loc_params->loc_data.loc_by_ref._ref)) < 0) + HGOTO_ERROR(H5E_REFERENCE, H5E_CANTOPENOBJ, NULL, "unable to dereference object") + + *opened_type = H5I_get_type(temp_id); + if(NULL == (ret_value = H5I_remove(temp_id))) + HGOTO_ERROR(H5E_SYM, H5E_CANTOPENOBJ, NULL, "unable to open object") + break; + } + + case H5VL_OBJECT_BY_SELF: + default: + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, NULL, "unknown open parameters") + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_object_open() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_object_copy + * + * Purpose: Handles the object copy callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_object_copy(void *src_obj, const H5VL_loc_params_t *loc_params1, const char *src_name, + void *dst_obj, const H5VL_loc_params_t *loc_params2, const char *dst_name, + hid_t ocpypl_id, hid_t lcpl_id, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req) +{ + H5G_loc_t src_loc; /* Source object group location */ + H5G_loc_t dst_loc; /* Destination group location */ + herr_t ret_value = FAIL; + + FUNC_ENTER_PACKAGE + + /* get location for objects */ + if(H5G_loc_real(src_obj, loc_params1->obj_type, &src_loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + if(H5G_loc_real(dst_obj, loc_params2->obj_type, &dst_loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + /* Copy the object */ + if((ret_value = H5O_copy(&src_loc, src_name, &dst_loc, dst_name, ocpypl_id, lcpl_id)) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CANTCOPY, FAIL, "unable to copy object") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_object_copy() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_object_get + * + * Purpose: Handles the object get callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_object_get(void *obj, const H5VL_loc_params_t *loc_params, H5VL_object_get_t get_type, + hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) +{ + herr_t ret_value = SUCCEED; /* Return value */ + H5G_loc_t loc; /* Location of group */ + + FUNC_ENTER_PACKAGE + + if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + switch(get_type) { + /* H5Rget_region */ + case H5VL_REF_GET_REGION: + { + hid_t *ret = HDva_arg(arguments, hid_t *); + H5R_type_t H5_ATTR_UNUSED ref_type = (H5R_type_t)HDva_arg(arguments, int); /* enum work-around */ + void *ref = HDva_arg(arguments, void *); + H5S_t *space = NULL; /* Dataspace object */ + + /* Get the dataspace with the correct region selected */ + if((space = H5R__get_region(loc.oloc->file, ref)) == NULL) + HGOTO_ERROR(H5E_REFERENCE, H5E_CANTGET, FAIL, "unable to retrieve region") + + /* Atomize */ + if((*ret = H5I_register(H5I_DATASPACE, space, TRUE)) < 0) + HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to register dataspace atom") + + break; + } + + /* H5Rget_obj_type1/2 */ + case H5VL_REF_GET_TYPE: + { + H5O_type_t *obj_type = HDva_arg(arguments, H5O_type_t *); + H5R_type_t ref_type = (H5R_type_t)HDva_arg(arguments, int); /* enum work-around */ + void *ref = HDva_arg(arguments, void *); + + /* Get the object information */ + if(H5R__get_obj_type(loc.oloc->file, ref_type, ref, obj_type) < 0) + HGOTO_ERROR(H5E_REFERENCE, H5E_CANTGET, FAIL, "unable to determine object type") + break; + } + + /* H5Rget_name */ + case H5VL_REF_GET_NAME: + { + ssize_t *ret = HDva_arg(arguments, ssize_t *); + char *name = HDva_arg(arguments, char *); + size_t size = HDva_arg(arguments, size_t); + H5R_type_t ref_type = (H5R_type_t)HDva_arg(arguments, int); /* enum work-around */ + void *ref = HDva_arg(arguments, void *); + + /* Get name */ + if((*ret = H5R__get_name(loc.oloc->file, ref_type, ref, name, size)) < 0) + HGOTO_ERROR(H5E_REFERENCE, H5E_CANTGET, FAIL, "unable to determine object path") + break; + } + + /* H5Iget_name */ + case H5VL_ID_GET_NAME: + { + ssize_t *ret = HDva_arg(arguments, ssize_t *); + char *name = HDva_arg(arguments, char *); + size_t size = HDva_arg(arguments, size_t); + + /* Retrieve object's name */ + if((*ret = H5G_get_name(&loc, name, size, NULL)) < 0) + HGOTO_ERROR(H5E_ATOM, H5E_CANTGET, FAIL, "can't retrieve object name") + + break; + } + + default: + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get this type of information from object") + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_object_get() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_object_specific + * + * Purpose: Handles the object specific callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_object_specific(void *obj, const H5VL_loc_params_t *loc_params, H5VL_object_specific_t specific_type, + hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments) +{ + H5G_loc_t loc; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + switch(specific_type) { + /* H5Oincr_refcount / H5Odecr_refcount */ + case H5VL_OBJECT_CHANGE_REF_COUNT: + { + int update_ref = HDva_arg(arguments, int); + H5O_loc_t *oloc = loc.oloc; + + if(H5O_link(oloc, update_ref) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_LINKCOUNT, FAIL, "modifying object link count failed") + + break; + } + + /* H5Oexists_by_name */ + case H5VL_OBJECT_EXISTS: + { + htri_t *ret = HDva_arg(arguments, htri_t *); + + if(loc_params->type == H5VL_OBJECT_BY_NAME) { + /* Check if the object exists */ + if((*ret = H5G_loc_exists(&loc, loc_params->loc_data.loc_by_name.name)) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to determine if '%s' exists", loc_params->loc_data.loc_by_name.name) + } /* end if */ + else + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown object exists parameters") + break; + } + + case H5VL_OBJECT_VISIT: + { + H5_index_t idx_type = (H5_index_t)HDva_arg(arguments, int); /* enum work-around */ + H5_iter_order_t order = (H5_iter_order_t)HDva_arg(arguments, int); /* enum work-around */ + H5O_iterate_t op = HDva_arg(arguments, H5O_iterate_t); + void *op_data = HDva_arg(arguments, void *); + unsigned fields = HDva_arg(arguments, unsigned); + + /* Call internal object visitation routine */ + if(loc_params->type == H5VL_OBJECT_BY_SELF) { + /* H5Ovisit */ + if((ret_value = H5O__visit(&loc, ".", idx_type, order, op, op_data, fields)) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_BADITER, FAIL, "object visitation failed") + } /* end if */ + else if(loc_params->type == H5VL_OBJECT_BY_NAME) { + /* H5Ovisit_by_name */ + if((ret_value = H5O__visit(&loc, loc_params->loc_data.loc_by_name.name, idx_type, order, op, op_data, fields)) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_BADITER, FAIL, "object visitation failed") + } /* end else-if */ + else + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown object visit params"); + break; + } + + case H5VL_OBJECT_FLUSH: + { + hid_t oid = HDva_arg(arguments, hid_t); + + /* Flush the object's metadata */ + if(H5O_flush(loc.oloc, oid) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTFLUSH, FAIL, "unable to flush object") + + break; + } + + case H5VL_OBJECT_REFRESH: + { + hid_t oid = HDva_arg(arguments, hid_t); + H5O_loc_t *oloc = loc.oloc; + + /* Refresh the metadata */ + if(H5O_refresh_metadata(oid, *oloc) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, FAIL, "unable to refresh object") + + break; + } + + case H5VL_REF_CREATE: + { + void *ref = HDva_arg(arguments, void *); + const char *name = HDva_arg(arguments, char *); + H5R_type_t ref_type = (H5R_type_t)HDva_arg(arguments, int); /* enum work-around */ + hid_t space_id = HDva_arg(arguments, hid_t); + H5S_t *space = NULL; /* Pointer to dataspace containing region */ + + if(space_id != (-1) && (NULL == (space = (H5S_t *)H5I_object_verify(space_id, H5I_DATASPACE)))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataspace") + + /* Create reference */ + if(H5R__create(ref, &loc, name, ref_type, space) < 0) + HGOTO_ERROR(H5E_REFERENCE, H5E_CANTCREATE, FAIL, "unable to create reference") + + break; + } + + default: + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't recognize this operation type") + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_object_specific() */ + + +/*------------------------------------------------------------------------- + * Function: H5VL__native_object_optional + * + * Purpose: Handles the object optional callback + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5VL__native_object_optional(void *obj, hid_t H5_ATTR_UNUSED dxpl_id, + void H5_ATTR_UNUSED **req, va_list arguments) +{ + H5VL_native_object_optional_t optional_type = HDva_arg(arguments, H5VL_native_object_optional_t); + H5VL_loc_params_t *loc_params = HDva_arg(arguments, H5VL_loc_params_t *); + H5G_loc_t loc; /* Location of group */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_PACKAGE + + if(H5G_loc_real(obj, loc_params->obj_type, &loc) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") + + switch(optional_type) { + /* H5Oget_info / H5Oget_info_by_name / H5Oget_info_by_idx */ + case H5VL_NATIVE_OBJECT_GET_INFO: + { + H5O_info_t *obj_info = HDva_arg(arguments, H5O_info_t *); + unsigned fields = HDva_arg(arguments, unsigned); + + if(loc_params->type == H5VL_OBJECT_BY_SELF) { /* H5Oget_info */ + /* Retrieve the object's information */ + if(H5G_loc_info(&loc, ".", obj_info, fields) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found") + } /* end if */ + else if(loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Oget_info_by_name */ + /* Retrieve the object's information */ + if(H5G_loc_info(&loc, loc_params->loc_data.loc_by_name.name, obj_info, fields) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found") + } /* end else-if */ + else if(loc_params->type == H5VL_OBJECT_BY_IDX) { /* H5Oget_info_by_idx */ + H5G_loc_t obj_loc; /* Location used to open group */ + H5G_name_t obj_path; /* Opened object group hier. path */ + H5O_loc_t obj_oloc; /* Opened object object location */ + + /* Set up opened group location to fill in */ + obj_loc.oloc = &obj_oloc; + obj_loc.path = &obj_path; + H5G_loc_reset(&obj_loc); + + /* Find the object's location, according to the order in the index */ + if(H5G_loc_find_by_idx(&loc, loc_params->loc_data.loc_by_idx.name, + loc_params->loc_data.loc_by_idx.idx_type, + loc_params->loc_data.loc_by_idx.order, + loc_params->loc_data.loc_by_idx.n, &obj_loc/*out*/) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "group not found") + + /* Retrieve the object's information */ + if(H5O_get_info(obj_loc.oloc, obj_info, fields) < 0) { + H5G_loc_free(&obj_loc); + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve object info") + } /* end if */ + + /* Release the object location */ + if(H5G_loc_free(&obj_loc) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTRELEASE, FAIL, "can't free location") + } /* end else-if */ + else + HGOTO_ERROR(H5E_OHDR, H5E_UNSUPPORTED, FAIL, "unknown get info parameters") + break; + } + + /* H5Oget_comment / H5Oget_comment_by_name */ + case H5VL_NATIVE_OBJECT_GET_COMMENT: + { + char *comment = HDva_arg(arguments, char *); + size_t bufsize = HDva_arg(arguments, size_t); + ssize_t *ret = HDva_arg(arguments, ssize_t *); + + /* Retrieve the object's comment */ + if(loc_params->type == H5VL_OBJECT_BY_SELF) { /* H5Oget_comment */ + if((*ret = H5G_loc_get_comment(&loc, ".", comment/*out*/, bufsize)) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found") + } /* end if */ + else if(loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Oget_comment_by_name */ + if((*ret = H5G_loc_get_comment(&loc, loc_params->loc_data.loc_by_name.name, comment/*out*/, bufsize)) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found") + } /* end else-if */ + else + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown set_coment parameters") + break; + } + + /* H5Oset_comment */ + case H5VL_NATIVE_OBJECT_SET_COMMENT: + { + const char *comment = HDva_arg(arguments, char *); + + if(loc_params->type == H5VL_OBJECT_BY_SELF) { /* H5Oset_comment */ + /* (Re)set the object's comment */ + if(H5G_loc_set_comment(&loc, ".", comment) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found") + } /* end if */ + else if(loc_params->type == H5VL_OBJECT_BY_NAME) { /* H5Oset_comment_by_name */ + /* (Re)set the object's comment */ + if(H5G_loc_set_comment(&loc, loc_params->loc_data.loc_by_name.name, comment) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_NOTFOUND, FAIL, "object not found") + } /* end else-if */ + else + HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "unknown set_coment parameters") + break; + } + + default: + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't perform this operation on object"); + } /* end switch */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5VL__native_object_optional() */ |