diff options
Diffstat (limited to 'examples/h5_vds-exc.c')
| -rw-r--r-- | examples/h5_vds-exc.c | 296 |
1 files changed, 138 insertions, 158 deletions
diff --git a/examples/h5_vds-exc.c b/examples/h5_vds-exc.c index b113c36..a9ef57e 100644 --- a/examples/h5_vds-exc.c +++ b/examples/h5_vds-exc.c @@ -22,80 +22,55 @@ #include <stdio.h> #include <stdlib.h> -#define FILE "vds-exc.h5" -#define DATASET "VDS-Excalibur" -#define VDSDIM0 0 -#define VDSDIM1 15 -#define VDSDIM2 6 -#define KDIM0 0 -#define KDIM1 2 -#define KDIM2 6 -#define NDIM0 0 -#define NDIM1 3 -#define NDIM2 6 -#define RANK 3 - -const char *SRC_FILE[] = { - "a.h5", - "b.h5", - "c.h5", - "d.h5", - "e.h5", - "f.h5" -}; - -const char *SRC_DATASET[] = { - "A", - "B", - "C", - "D", - "E", - "F" -}; +#define FILE "vds-exc.h5" +#define DATASET "VDS-Excalibur" +#define VDSDIM0 0 +#define VDSDIM1 15 +#define VDSDIM2 6 +#define KDIM0 0 +#define KDIM1 2 +#define KDIM2 6 +#define NDIM0 0 +#define NDIM1 3 +#define NDIM2 6 +#define RANK 3 + +const char *SRC_FILE[] = {"a.h5", "b.h5", "c.h5", "d.h5", "e.h5", "f.h5"}; + +const char *SRC_DATASET[] = {"A", "B", "C", "D", "E", "F"}; int -main (void) +main(void) { - hid_t file, space, ksrc_space, nsrc_space, vspace, - src_space, - dset; /* Handles */ - hid_t dcpl; - herr_t status; - hsize_t vdsdims[3] = {VDSDIM0, VDSDIM1, VDSDIM2}, - vdsdims_max[3] = {H5S_UNLIMITED,VDSDIM1, VDSDIM2}, - kdims[3] = {KDIM0, KDIM1, KDIM2}, - kdims_max[3] = {H5S_UNLIMITED, KDIM1, KDIM2}, - ndims[3] = {NDIM0, NDIM1, NDIM2}, - ndims_max[3] = {H5S_UNLIMITED, NDIM1, NDIM2}, - start[3], /* Hyperslab parameters */ - stride[3], - count[3], - block[3]; - hsize_t start_out[3], - stride_out[3], - count_out[3], - block_out[3]; + hid_t file, space, ksrc_space, nsrc_space, vspace, src_space, dset; /* Handles */ + hid_t dcpl; + herr_t status; + hsize_t vdsdims[3] = {VDSDIM0, VDSDIM1, VDSDIM2}, vdsdims_max[3] = {H5S_UNLIMITED, VDSDIM1, VDSDIM2}, + kdims[3] = {KDIM0, KDIM1, KDIM2}, kdims_max[3] = {H5S_UNLIMITED, KDIM1, KDIM2}, + ndims[3] = {NDIM0, NDIM1, NDIM2}, ndims_max[3] = {H5S_UNLIMITED, NDIM1, NDIM2}, + start[3], /* Hyperslab parameters */ + stride[3], count[3], block[3]; + hsize_t start_out[3], stride_out[3], count_out[3], block_out[3]; int k = 2; int n = 3; int i; - H5D_layout_t layout; /* Storage layout */ - size_t num_map; /* Number of mappings */ - ssize_t len; /* Length of the string; also a return value */ - char *filename; - char *dsetname; + H5D_layout_t layout; /* Storage layout */ + size_t num_map; /* Number of mappings */ + ssize_t len; /* Length of the string; also a return value */ + char * filename; + char * dsetname; - - file = H5Fcreate (FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); + file = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT); /* Create VDS dataspace. */ - space = H5Screate_simple (RANK, vdsdims, vdsdims_max); + space = H5Screate_simple(RANK, vdsdims, vdsdims_max); /* Create dataspaces for A, C, and E datasets. */ - ksrc_space = H5Screate_simple (RANK, kdims, kdims_max); + ksrc_space = H5Screate_simple(RANK, kdims, kdims_max); /* Create dataspaces for B, D, and F datasets. */ - nsrc_space = H5Screate_simple (RANK, ndims, ndims_max); + nsrc_space = H5Screate_simple(RANK, ndims, ndims_max); /* Create VDS creation property */ - dcpl = H5Pcreate (H5P_DATASET_CREATE); + dcpl = H5Pcreate(H5P_DATASET_CREATE); /* Initialize hyperslab values */ @@ -109,42 +84,40 @@ main (void) block[1] = k; block[2] = VDSDIM2; - /* - * Build the mappings for A, C and E source datasets. - * Unlimited hyperslab selection is the same in the source datasets. - * Unlimited hyperslab selections in the virtual dataset have different offsets. - */ - status = H5Sselect_hyperslab (ksrc_space, H5S_SELECT_SET, start, NULL, count, block); - for (i = 0; i < 3; i++) { - start[1] = (hsize_t)((k+n)*i); - status = H5Sselect_hyperslab (space, H5S_SELECT_SET, start, NULL, count, block); - status = H5Pset_virtual (dcpl, space, SRC_FILE[2*i], SRC_DATASET[2*i], ksrc_space); - } - - /* Reinitialize start[1] and block[1] to build the second set of mappings. */ - start[1] = 0; - block[1] = n; - /* - * Build the mappings for B, D and F source datasets. - * Unlimited hyperslab selection is the same in the source datasets. - * Unlimited hyperslab selections in the virtual dataset have different offsets. - */ - status = H5Sselect_hyperslab (nsrc_space, H5S_SELECT_SET, start, NULL, count, block); - for (i = 0; i < 3; i++) { - start[1] = (hsize_t)(k+(k+n)*i); - status = H5Sselect_hyperslab (space, H5S_SELECT_SET, start, NULL, count, block); - status = H5Pset_virtual (dcpl, space, SRC_FILE[2*i+1], SRC_DATASET[2*i+1], nsrc_space); - } - - /* Create a virtual dataset */ - dset = H5Dcreate2 (file, DATASET, H5T_NATIVE_INT, space, H5P_DEFAULT, - dcpl, H5P_DEFAULT); - status = H5Sclose (space); - status = H5Sclose (nsrc_space); - status = H5Sclose (ksrc_space); - status = H5Dclose (dset); - status = H5Fclose (file); - + /* + * Build the mappings for A, C and E source datasets. + * Unlimited hyperslab selection is the same in the source datasets. + * Unlimited hyperslab selections in the virtual dataset have different offsets. + */ + status = H5Sselect_hyperslab(ksrc_space, H5S_SELECT_SET, start, NULL, count, block); + for (i = 0; i < 3; i++) { + start[1] = (hsize_t)((k + n) * i); + status = H5Sselect_hyperslab(space, H5S_SELECT_SET, start, NULL, count, block); + status = H5Pset_virtual(dcpl, space, SRC_FILE[2 * i], SRC_DATASET[2 * i], ksrc_space); + } + + /* Reinitialize start[1] and block[1] to build the second set of mappings. */ + start[1] = 0; + block[1] = n; + /* + * Build the mappings for B, D and F source datasets. + * Unlimited hyperslab selection is the same in the source datasets. + * Unlimited hyperslab selections in the virtual dataset have different offsets. + */ + status = H5Sselect_hyperslab(nsrc_space, H5S_SELECT_SET, start, NULL, count, block); + for (i = 0; i < 3; i++) { + start[1] = (hsize_t)(k + (k + n) * i); + status = H5Sselect_hyperslab(space, H5S_SELECT_SET, start, NULL, count, block); + status = H5Pset_virtual(dcpl, space, SRC_FILE[2 * i + 1], SRC_DATASET[2 * i + 1], nsrc_space); + } + + /* Create a virtual dataset */ + dset = H5Dcreate2(file, DATASET, H5T_NATIVE_INT, space, H5P_DEFAULT, dcpl, H5P_DEFAULT); + status = H5Sclose(space); + status = H5Sclose(nsrc_space); + status = H5Sclose(ksrc_space); + status = H5Dclose(dset); + status = H5Fclose(file); /* * Now we begin the read section of this example. @@ -153,85 +126,92 @@ main (void) /* * Open file and dataset using the default properties. */ - file = H5Fopen (FILE, H5F_ACC_RDONLY, H5P_DEFAULT); - dset = H5Dopen2 (file, DATASET, H5P_DEFAULT); + file = H5Fopen(FILE, H5F_ACC_RDONLY, H5P_DEFAULT); + dset = H5Dopen2(file, DATASET, H5P_DEFAULT); /* * Get creation property list and mapping properties. */ - dcpl = H5Dget_create_plist (dset); + dcpl = H5Dget_create_plist(dset); /* * Get storage layout. */ - layout = H5Pget_layout (dcpl); + layout = H5Pget_layout(dcpl); if (H5D_VIRTUAL == layout) printf(" Dataset has a virtual layout \n"); else printf("Wrong layout found \n"); - /* - * Find number of mappings. - */ - status = H5Pget_virtual_count (dcpl, &num_map); - printf(" Number of mappings is %lu\n", (unsigned long)num_map); - - /* - * Get mapping parameters for each mapping. - */ - for (i = 0; i < (int)num_map; i++) { - printf(" Mapping %d \n", i); - printf(" Selection in the virtual dataset \n"); - /* Get selection in the virttual dataset */ - vspace = H5Pget_virtual_vspace (dcpl, (size_t)i); - if (H5Sget_select_type(vspace) == H5S_SEL_HYPERSLABS) { - if (H5Sis_regular_hyperslab(vspace)) { - status = H5Sget_regular_hyperslab (vspace, start_out, stride_out, count_out, block_out); - printf(" start = [%llu, %llu, %llu] \n", (unsigned long long)start_out[0], (unsigned long long)start_out[1], (unsigned long long)start_out[2]); - printf(" stride = [%llu, %llu, %llu] \n", (unsigned long long)stride_out[0], (unsigned long long)stride_out[1], (unsigned long long)stride_out[2]); - printf(" count = [%llu, %llu, %llu] \n", (unsigned long long)count_out[0], (unsigned long long)count_out[1], (unsigned long long)count_out[2]); - printf(" block = [%llu, %llu, %llu] \n", (unsigned long long)block_out[0], (unsigned long long)block_out[1], (unsigned long long)block_out[2]); - } - } - /* Get source file name */ - len = H5Pget_virtual_filename (dcpl, (size_t)i, NULL, 0); - filename = (char *)malloc((size_t)len*sizeof(char)+1); - H5Pget_virtual_filename (dcpl, (size_t)i, filename, len+1); - printf(" Source filename %s\n", filename); - - /* Get source dataset name */ - len = H5Pget_virtual_dsetname (dcpl, (size_t)i, NULL, 0); - dsetname = (char *)malloc((size_t)len*sizeof(char)+1); - H5Pget_virtual_dsetname (dcpl, (size_t)i, dsetname, len+1); - printf(" Source dataset name %s\n", dsetname); - - /* Get selection in the source dataset */ - printf(" Selection in the source dataset \n"); - src_space = H5Pget_virtual_srcspace (dcpl, (size_t)i); - if (H5Sget_select_type(src_space) == H5S_SEL_HYPERSLABS) { - if (H5Sis_regular_hyperslab(vspace)) { - status = H5Sget_regular_hyperslab (src_space, start_out, stride_out, count_out, block_out); - printf(" start = [%llu, %llu, %llu] \n", (unsigned long long)start_out[0], (unsigned long long)start_out[1], (unsigned long long)start_out[2]); - printf(" stride = [%llu, %llu, %llu] \n", (unsigned long long)stride_out[0], (unsigned long long)stride_out[1], (unsigned long long)stride_out[2]); - printf(" count = [%llu, %llu, %llu] \n", (unsigned long long)count_out[0], (unsigned long long)count_out[1], (unsigned long long)count_out[2]); - printf(" block = [%llu, %llu, %llu] \n", (unsigned long long)block_out[0], (unsigned long long)block_out[1], (unsigned long long)block_out[2]); - } - } - H5Sclose(vspace); - H5Sclose(src_space); - free(filename); - free(dsetname); - } -/* EIP read data back */ + /* + * Find number of mappings. + */ + status = H5Pget_virtual_count(dcpl, &num_map); + printf(" Number of mappings is %lu\n", (unsigned long)num_map); + + /* + * Get mapping parameters for each mapping. + */ + for (i = 0; i < (int)num_map; i++) { + printf(" Mapping %d \n", i); + printf(" Selection in the virtual dataset \n"); + /* Get selection in the virttual dataset */ + vspace = H5Pget_virtual_vspace(dcpl, (size_t)i); + if (H5Sget_select_type(vspace) == H5S_SEL_HYPERSLABS) { + if (H5Sis_regular_hyperslab(vspace)) { + status = H5Sget_regular_hyperslab(vspace, start_out, stride_out, count_out, block_out); + printf(" start = [%llu, %llu, %llu] \n", (unsigned long long)start_out[0], + (unsigned long long)start_out[1], (unsigned long long)start_out[2]); + printf(" stride = [%llu, %llu, %llu] \n", (unsigned long long)stride_out[0], + (unsigned long long)stride_out[1], (unsigned long long)stride_out[2]); + printf(" count = [%llu, %llu, %llu] \n", (unsigned long long)count_out[0], + (unsigned long long)count_out[1], (unsigned long long)count_out[2]); + printf(" block = [%llu, %llu, %llu] \n", (unsigned long long)block_out[0], + (unsigned long long)block_out[1], (unsigned long long)block_out[2]); + } + } + /* Get source file name */ + len = H5Pget_virtual_filename(dcpl, (size_t)i, NULL, 0); + filename = (char *)malloc((size_t)len * sizeof(char) + 1); + H5Pget_virtual_filename(dcpl, (size_t)i, filename, len + 1); + printf(" Source filename %s\n", filename); + + /* Get source dataset name */ + len = H5Pget_virtual_dsetname(dcpl, (size_t)i, NULL, 0); + dsetname = (char *)malloc((size_t)len * sizeof(char) + 1); + H5Pget_virtual_dsetname(dcpl, (size_t)i, dsetname, len + 1); + printf(" Source dataset name %s\n", dsetname); + + /* Get selection in the source dataset */ + printf(" Selection in the source dataset \n"); + src_space = H5Pget_virtual_srcspace(dcpl, (size_t)i); + if (H5Sget_select_type(src_space) == H5S_SEL_HYPERSLABS) { + if (H5Sis_regular_hyperslab(vspace)) { + status = H5Sget_regular_hyperslab(src_space, start_out, stride_out, count_out, block_out); + printf(" start = [%llu, %llu, %llu] \n", (unsigned long long)start_out[0], + (unsigned long long)start_out[1], (unsigned long long)start_out[2]); + printf(" stride = [%llu, %llu, %llu] \n", (unsigned long long)stride_out[0], + (unsigned long long)stride_out[1], (unsigned long long)stride_out[2]); + printf(" count = [%llu, %llu, %llu] \n", (unsigned long long)count_out[0], + (unsigned long long)count_out[1], (unsigned long long)count_out[2]); + printf(" block = [%llu, %llu, %llu] \n", (unsigned long long)block_out[0], + (unsigned long long)block_out[1], (unsigned long long)block_out[2]); + } + } + H5Sclose(vspace); + H5Sclose(src_space); + free(filename); + free(dsetname); + } + /* EIP read data back */ /* * Close and release resources. */ - status = H5Pclose (dcpl); - status = H5Dclose (dset); - status = H5Fclose (file); + status = H5Pclose(dcpl); + status = H5Dclose(dset); + status = H5Fclose(file); return 0; } - |