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