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138 lines
4.5 KiB
C
138 lines
4.5 KiB
C
/* This is part of the netCDF package. Copyright 2018 University
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Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
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conditions of use.
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This program excersizes HDF5 variable length array code.
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@author Ed Hartnett
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*/
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#include <nc_tests.h>
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#include <hdf5.h>
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#include <nc_logging.h>
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#define FILE_NAME "tst_h_vl.nc"
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int
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main()
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{
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printf("\n*** Checking HDF5 VLEN types even more.\n");
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printf("*** Reading file created by netcdf-4 tests tst_vl...");
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{
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hid_t fileid, grpid, fapl_id, hdf_typeid = 0, base_hdf_typeid = 0, attid = 0;
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hid_t file_typeid, spaceid, native_typeid;
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#if H5_VERSION_GE(1,12,0)
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H5O_info2_t obj_info;
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#else
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H5O_info_t obj_info;
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#endif
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char obj_name[NC_MAX_NAME + 1];
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hsize_t num_obj, i;
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int obj_class;
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H5T_class_t class;
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size_t size, type_size;
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hssize_t att_npoints;
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int att_ndims;
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hsize_t dims[1];
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void *vldata;
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/* Open the file and read the vlen data. */
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if ((fapl_id = H5Pcreate(H5P_FILE_ACCESS)) < 0) ERR;
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if (H5Pset_fclose_degree(fapl_id, H5F_CLOSE_SEMI)) ERR;
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if (H5Pset_libver_bounds(fapl_id, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0) ERR;
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if ((fileid = H5Fopen(FILE_NAME, H5F_ACC_RDONLY, fapl_id)) < 0) ERR;
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if ((grpid = H5Gopen(fileid, "/")) < 0) ERR;
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if (H5Gget_num_objs(grpid, &num_obj) < 0) ERR;
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for (i = 0; i < num_obj; i++)
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{
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#if H5_VERSION_GE(1,12,0)
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if (H5Oget_info_by_idx3(grpid, ".", H5_INDEX_CRT_ORDER, H5_ITER_INC,
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i, &obj_info, H5O_INFO_BASIC, H5P_DEFAULT) < 0) ERR_RET;
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#else
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if (H5Oget_info_by_idx(grpid, ".", H5_INDEX_CRT_ORDER, H5_ITER_INC,
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i, &obj_info, H5P_DEFAULT) < 0) ERR_RET;
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#endif
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obj_class = obj_info.type;
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if ((size = H5Lget_name_by_idx(grpid, ".", H5_INDEX_CRT_ORDER, H5_ITER_INC, i,
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NULL, 0, H5P_DEFAULT)) < 0) ERR_RET;
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if (size > NC_MAX_NAME) ERR_RET;
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if (H5Lget_name_by_idx(grpid, ".", H5_INDEX_CRT_ORDER, H5_ITER_INC, i,
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obj_name, size+1, H5P_DEFAULT) < 0) ERR_RET;
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/*printf("nc4_rec_read_metadata: encountered HDF5 object obj_class %d obj_name %s.\n",
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obj_class, obj_name);*/
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/* Deal with groups and datasets. */
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switch (obj_class)
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{
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case H5O_TYPE_GROUP:
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break;
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case H5O_TYPE_DATASET:
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break;
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case H5O_TYPE_NAMED_DATATYPE:
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if ((hdf_typeid = H5Topen2(grpid, obj_name, H5P_DEFAULT)) < 0) ERR_RET;
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if ((class = H5Tget_class(hdf_typeid)) < 0) ERR_RET;
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switch (class)
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{
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case H5T_VLEN:
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/* Find the base type of this vlen (i.e. what is this a * vlen of?) and its size. */
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if (!(base_hdf_typeid = H5Tget_super(hdf_typeid))) ERR_RET;
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if (!(type_size = H5Tget_size(base_hdf_typeid))) ERR_RET;
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break;
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default:
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LOG((0, "unknown datatype class"));
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return NC_EBADCLASS;
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}
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break;
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case H5G_LINK:
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break;
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default:
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LOG((0, "Unknown object class %d in nc4_rec_read_metadata!",
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obj_class));
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}
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}
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num_obj = H5Aget_num_attrs(grpid);
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for (i = 0; i < num_obj; i++)
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{
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if (attid > 0)
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H5Aclose(attid);
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if ((attid = H5Aopen_idx(grpid, (unsigned int)i)) < 0) ERR_RET;
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if (H5Aget_name(attid, NC_MAX_NAME + 1, obj_name) < 0) ERR_RET;
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LOG((4, "reading attribute of _netCDF group, named %s", obj_name));
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if ((attid && H5Aclose(attid))) ERR_RET;
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}
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/* Open the HDF5 attribute. */
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if ((attid = H5Aopen_name(grpid, obj_name)) < 0) ERR;
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/* Get type of attribute in file. */
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if ((file_typeid = H5Aget_type(attid)) < 0) ERR;
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if ((class = H5Tget_class(file_typeid)) < 0) ERR;
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if (class != H5T_VLEN) ERR;
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/* Get len. */
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if ((spaceid = H5Aget_space(attid)) < 0) ERR;
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if ((att_ndims = H5Sget_simple_extent_ndims(spaceid)) < 0) ERR;
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if (att_ndims != 1) ERR;
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if ((att_npoints = H5Sget_simple_extent_npoints(spaceid)) < 0) ERR;
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if (H5Sget_simple_extent_dims(spaceid, dims, NULL) < 0) ERR;
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if (dims[0] != 3) ERR;
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if ((native_typeid = H5Tget_native_type(file_typeid, H5T_DIR_DEFAULT)) < 0) ERR;
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if (!(vldata = malloc((unsigned int)(dims[0] * sizeof(hvl_t))))) ERR;
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if (H5Aread(attid, native_typeid, vldata) < 0) ERR;
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if (H5Tclose(native_typeid) < 0) ERR;
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if (H5Tclose(file_typeid) < 0) ERR;
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if (hdf_typeid && H5Tclose(hdf_typeid) < 0) ERR;
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if (base_hdf_typeid && H5Tclose(base_hdf_typeid) < 0) ERR;
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if (H5Aclose(attid) ||
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H5Gclose(grpid) < 0 ||
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H5Fclose(fileid) < 0) ERR;
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}
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SUMMARIZE_ERR;
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FINAL_RESULTS;
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}
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