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-rw-r--r--test/use_common.c635
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diff --git a/test/use_common.c b/test/use_common.c
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+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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://www.hdfgroup.org/licenses. *
+ * If you do not have access to either file, you may request a copy from *
+ * help@hdfgroup.org. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#include "h5test.h"
+
+/* This test uses many POSIX things that are not available on
+ * Windows.
+ */
+#ifdef H5_HAVE_UNISTD_H
+
+#include "use.h"
+
+/* ----------------------------------------------------------------------------
+ * Print a common/shared usage message.
+ * Receives program name to show default test file name (<program_name>.h5).
+ * ----------------------------------------------------------------------------
+ */
+void
+usage(const char *prog)
+{
+ HDfprintf(stderr, "usage: %s [OPTIONS]\n", prog);
+ HDfprintf(stderr, " OPTIONS\n");
+ HDfprintf(stderr, " -h, --help Print a usage message and exit\n");
+ HDfprintf(stderr, " -f FN Test file name [default: %s.h5]\n", prog);
+ HDfprintf(stderr,
+ " -i N, --iteration=N Number of iterations to repeat the whole thing. [default: 1]\n");
+ HDfprintf(stderr, " -l w|r launch writer or reader only. [default: launch both]\n");
+ HDfprintf(stderr, " -n N, --nplanes=N Number of planes to write/read. [default: 1000]\n");
+ HDfprintf(stderr, " -s N, --swmr=N Use SWMR mode (0: no, non-0: yes) default is yes\n");
+ HDfprintf(stderr, " -z N, --chunksize=N Chunk size [default: %d]\n", Chunksize_DFT);
+ HDfprintf(stderr, " -y N, --chunkplanes=N Number of planes per chunk [default: 1]\n");
+ HDfprintf(stderr, "\n");
+} /* end usage() */
+
+/* ----------------------------------------------------------------------------
+ * Setup Use Case parameters by parsing command line options.
+ * Includes default values for unspecified options.
+ * ----------------------------------------------------------------------------
+ */
+int
+parse_option(int argc, char *const argv[], options_t *opts)
+{
+ int ret_value = 0;
+ int c;
+ int use_swmr; /* Need an int to detect errors */
+
+ /* command line options: See function usage for a description */
+ const char *nagg_options = "f:hi:l:n:s:y:z:";
+
+ /* suppress getopt from printing error */
+ opterr = 0;
+
+ while (1) {
+ c = getopt(argc, argv, nagg_options);
+ if (-1 == c)
+ break;
+ switch (c) {
+ case 'h':
+ usage(opts->progname);
+ HDexit(EXIT_SUCCESS);
+ break;
+ case 'f': /* usecase data file name */
+ opts->filename = HDstrdup(optarg);
+ break;
+ case 'i': /* iterations */
+ if ((opts->iterations = HDatoi(optarg)) <= 0) {
+ HDfprintf(stderr, "bad iterations number %s, must be a positive integer\n", optarg);
+ usage(opts->progname);
+ Hgoto_error(-1);
+ }
+ break;
+ case 'l': /* launch reader or writer only */
+ switch (*optarg) {
+ case 'r': /* reader only */
+ opts->launch = UC_READER;
+ break;
+ case 'w': /* writer only */
+ opts->launch = UC_WRITER;
+ break;
+ default:
+ HDfprintf(stderr, "launch value(%c) should be w or r only.\n", *optarg);
+ usage(opts->progname);
+ Hgoto_error(-1);
+ break;
+ } /* end switch (reader/writer-only mode toggle) */
+ break;
+ case 'n': /* number of planes to write/read */
+ if ((opts->nplanes = HDstrtoul(optarg, NULL, 0)) <= 0) {
+ HDfprintf(stderr, "bad number of planes %s, must be a positive integer\n", optarg);
+ usage(opts->progname);
+ Hgoto_error(-1);
+ }
+ break;
+ case 's': /* use swmr file open mode */
+ use_swmr = HDatoi(optarg);
+ if (use_swmr != 0 && use_swmr != 1) {
+ HDfprintf(stderr, "swmr value should be 0(no) or 1(yes)\n");
+ usage(opts->progname);
+ Hgoto_error(-1);
+ }
+ opts->use_swmr = (hbool_t)use_swmr;
+ break;
+ case 'y': /* Number of planes per chunk */
+ if ((opts->chunkplanes = HDstrtoul(optarg, NULL, 0)) <= 0) {
+ HDfprintf(stderr, "bad number of planes per chunk %s, must be a positive integer\n",
+ optarg);
+ usage(opts->progname);
+ Hgoto_error(-1);
+ }
+ break;
+ case 'z': /* size of chunk=(z,z) */
+ if ((opts->chunksize = HDstrtoull(optarg, NULL, 0)) <= 0) {
+ HDfprintf(stderr, "bad chunksize %s, must be a positive integer\n", optarg);
+ usage(opts->progname);
+ Hgoto_error(-1);
+ }
+ break;
+ case '?':
+ HDfprintf(stderr, "getopt returned '%c'.\n", c);
+ Hgoto_error(-1);
+ default:
+ HDfprintf(stderr, "getopt returned unexpected value.\n");
+ HDfprintf(stderr, "Unexpected value is %d\n", c);
+ Hgoto_error(-1);
+ } /* end switch (argument symbol) */
+ } /* end while (there are still arguments) */
+
+ /* set test file name if not given */
+ if (!opts->filename) {
+ /* default data file name is <progname>.h5 */
+ if ((opts->filename = (char *)HDmalloc(HDstrlen(opts->progname) + 4)) == NULL) {
+ HDfprintf(stderr, "malloc: failed\n");
+ Hgoto_error(-1);
+ }
+ HDstrcpy(opts->filename, opts->progname);
+ HDstrcat(opts->filename, ".h5");
+ }
+
+done:
+ return (ret_value);
+} /* end parse_option() */
+
+/* ----------------------------------------------------------------------------
+ * Show parameters used for this use case.
+ * ----------------------------------------------------------------------------
+ */
+void
+show_parameters(options_t *opts)
+{
+ HDprintf("===Parameters used:===\n");
+ HDprintf("chunk dims=(%llu, %llu, %llu)\n", (unsigned long long)opts->chunkdims[0],
+ (unsigned long long)opts->chunkdims[1], (unsigned long long)opts->chunkdims[2]);
+ HDprintf("dataset max dims=(%llu, %llu, %llu)\n", (unsigned long long)opts->max_dims[0],
+ (unsigned long long)opts->max_dims[1], (unsigned long long)opts->max_dims[2]);
+ HDprintf("number of planes to write=%llu\n", (unsigned long long)opts->nplanes);
+ HDprintf("using SWMR mode=%s\n", opts->use_swmr ? "yes(1)" : "no(0)");
+ HDprintf("data filename=%s\n", opts->filename);
+ HDprintf("launch part=");
+ switch (opts->launch) {
+ case UC_READWRITE:
+ HDprintf("Reader/Writer\n");
+ break;
+ case UC_WRITER:
+ HDprintf("Writer\n");
+ break;
+ case UC_READER:
+ HDprintf("Reader\n");
+ break;
+ default:
+ /* should not happen */
+ HDprintf("Illegal part(%d)\n", opts->launch);
+ }
+ HDprintf("number of iterations=%d (not used yet)\n", opts->iterations);
+ HDprintf("===Parameters shown===\n");
+} /* end show_parameters() */
+
+/* ----------------------------------------------------------------------------
+ * Create the skeleton use case file for testing.
+ * It has one 3d dataset using chunked storage.
+ * The dataset is (unlimited, chunksize, chunksize).
+ * Dataset type is 2 bytes integer.
+ * It starts out "empty", i.e., first dimension is 0.
+ *
+ * Return: 0 succeed; -1 fail.
+ * ----------------------------------------------------------------------------
+ */
+int
+create_uc_file(options_t *opts)
+{
+ hsize_t dims[3]; /* Dataset starting dimensions */
+ hid_t fid; /* File ID for new HDF5 file */
+ hid_t dcpl; /* Dataset creation property list */
+ hid_t sid; /* Dataspace ID */
+ hid_t dsid; /* Dataset ID */
+ H5D_chunk_index_t idx_type; /* Chunk index type */
+
+ if ((fid = H5Fcreate(opts->filename, H5F_ACC_TRUNC, H5P_DEFAULT, opts->fapl_id)) < 0)
+ return -1;
+
+ /* Set up dimension sizes */
+ dims[0] = 0;
+ dims[1] = dims[2] = opts->max_dims[1];
+
+ /* Create dataspace for creating datasets */
+ if ((sid = H5Screate_simple(3, dims, opts->max_dims)) < 0)
+ return -1;
+
+ /* Create dataset creation property list */
+ if ((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+ return -1;
+ if (H5Pset_chunk(dcpl, 3, opts->chunkdims) < 0)
+ return -1;
+
+ /* create dataset of progname */
+ if ((dsid = H5Dcreate2(fid, opts->progname, UC_DATATYPE, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
+ return -1;
+
+ /* Check that the chunk index type is not version 1 B-tree.
+ * Version 1 B-trees are not supported under SWMR.
+ */
+ if (H5Dget_chunk_index_type(dsid, &idx_type) < 0)
+ return -1;
+ if (idx_type == H5D_CHUNK_IDX_BTREE) {
+ HDfprintf(stderr, "ERROR: Chunk index is version 1 B-tree: aborting.\n");
+ return -1;
+ }
+
+ /* Close everything */
+ if (H5Dclose(dsid) < 0)
+ return -1;
+ if (H5Pclose(dcpl) < 0)
+ return -1;
+ if (H5Sclose(sid) < 0)
+ return -1;
+ if (H5Fclose(fid) < 0)
+ return -1;
+
+ return 0;
+} /* end create_uc_file() */
+
+/* ----------------------------------------------------------------------------
+ * Append planes, each of (1,2*chunksize,2*chunksize) to the dataset.
+ * In other words, 4 chunks are appended to the dataset at a time.
+ * Fill each plan with the plane number and then write it at the nth plane.
+ * Increase the plane number and repeat till the end of dataset, when it
+ * reaches chunksize long. End product is a (2*chunksize)^3 cube.
+ *
+ * Return: 0 succeed; -1 fail.
+ * ----------------------------------------------------------------------------
+ */
+int
+write_uc_file(hbool_t tosend, hid_t file_id, options_t *opts)
+{
+ hid_t dsid; /* dataset ID */
+ hid_t dcpl; /* Dataset creation property list */
+ UC_CTYPE *buffer, *bufptr; /* data buffer */
+ hsize_t cz = opts->chunksize; /* Chunk size */
+ hid_t f_sid; /* dataset file space id */
+ hid_t m_sid; /* memory space id */
+ int rank; /* rank */
+ hsize_t chunk_dims[3]; /* Chunk dimensions */
+ hsize_t dims[3]; /* Dataspace dimensions */
+ hsize_t memdims[3]; /* Memory space dimensions */
+ hsize_t start[3] = {0, 0, 0}, count[3]; /* Hyperslab selection values */
+ hsize_t i, j, k;
+
+ if (TRUE == tosend) {
+ /* Send a message that H5Fopen is complete--releasing the file lock */
+ h5_send_message(WRITER_MESSAGE, NULL, NULL);
+ }
+
+ /* Open the dataset of the program name */
+ if ((dsid = H5Dopen2(file_id, opts->progname, H5P_DEFAULT)) < 0) {
+ HDfprintf(stderr, "H5Dopen2 failed\n");
+ return -1;
+ }
+
+ /* Find chunksize used */
+ if ((dcpl = H5Dget_create_plist(dsid)) < 0) {
+ HDfprintf(stderr, "H5Dget_create_plist failed\n");
+ return -1;
+ }
+ if (H5D_CHUNKED != H5Pget_layout(dcpl)) {
+ HDfprintf(stderr, "storage layout is not chunked\n");
+ return -1;
+ }
+ if ((rank = H5Pget_chunk(dcpl, 3, chunk_dims)) != 3) {
+ HDfprintf(stderr, "storage rank is not 3\n");
+ return -1;
+ }
+
+ /* verify chunk_dims against set parameters */
+ if (chunk_dims[0] != opts->chunkdims[0] || chunk_dims[1] != cz || chunk_dims[2] != cz) {
+ HDfprintf(stderr, "chunk size is not as expected. Got dims=(%llu,%llu,%llu)\n",
+ (unsigned long long)chunk_dims[0], (unsigned long long)chunk_dims[1],
+ (unsigned long long)chunk_dims[2]);
+ return -1;
+ }
+
+ /* allocate space for data buffer 1 X dims[1] X dims[2] of UC_CTYPE */
+ memdims[0] = 1;
+ memdims[1] = opts->dims[1];
+ memdims[2] = opts->dims[2];
+ if ((buffer = (UC_CTYPE *)HDmalloc((size_t)memdims[1] * (size_t)memdims[2] * sizeof(UC_CTYPE))) == NULL) {
+ HDfprintf(stderr, "malloc: failed\n");
+ return -1;
+ }
+
+ /*
+ * Get dataset rank and dimension.
+ */
+ f_sid = H5Dget_space(dsid); /* Get filespace handle first. */
+ rank = H5Sget_simple_extent_ndims(f_sid);
+ if (rank != UC_RANK) {
+ HDfprintf(stderr, "rank(%d) of dataset does not match\n", rank);
+ HDfree(buffer);
+ return -1;
+ }
+ if (H5Sget_simple_extent_dims(f_sid, dims, NULL) < 0) {
+ HDfprintf(stderr, "H5Sget_simple_extent_dims got error\n");
+ HDfree(buffer);
+ return -1;
+ }
+ HDprintf("dataset rank %d, dimensions %llu x %llu x %llu\n", rank, (unsigned long long)(dims[0]),
+ (unsigned long long)(dims[1]), (unsigned long long)(dims[2]));
+ /* verify that file space dims are as expected and are consistent with memory space dims */
+ if (dims[0] != 0 || dims[1] != memdims[1] || dims[2] != memdims[2]) {
+ HDfprintf(stderr, "dataset is not empty. Got dims=(%llu,%llu,%llu)\n", (unsigned long long)dims[0],
+ (unsigned long long)dims[1], (unsigned long long)dims[2]);
+ HDfree(buffer);
+ return -1;
+ }
+
+ /* setup mem-space for buffer */
+ if ((m_sid = H5Screate_simple(rank, memdims, NULL)) < 0) {
+ HDfprintf(stderr, "H5Screate_simple for memory failed\n");
+ HDfree(buffer);
+ return -1;
+ }
+
+ /* write planes */
+ count[0] = 1;
+ count[1] = dims[1];
+ count[2] = dims[2];
+ for (i = 0; i < opts->nplanes; i++) {
+ /* fill buffer with value i+1 */
+ bufptr = buffer;
+ for (j = 0; j < dims[1]; j++) {
+ for (k = 0; k < dims[2]; k++) {
+ *bufptr++ = (UC_CTYPE)i;
+ }
+ }
+
+ /* Cork the dataset's metadata in the cache, if SWMR is enabled */
+ if (opts->use_swmr) {
+ if (H5Odisable_mdc_flushes(dsid) < 0) {
+ HDfprintf(stderr, "H5Odisable_mdc_flushes failed\n");
+ HDfree(buffer);
+ return -1;
+ }
+ }
+
+ /* extend the dataset by one for new plane */
+ dims[0] = i + 1;
+ if (H5Dset_extent(dsid, dims) < 0) {
+ HDfprintf(stderr, "H5Dset_extent failed\n");
+ HDfree(buffer);
+ return -1;
+ }
+
+ /* Get the dataset's dataspace */
+ if ((f_sid = H5Dget_space(dsid)) < 0) {
+ HDfprintf(stderr, "H5Dset_extent failed\n");
+ HDfree(buffer);
+ return -1;
+ }
+
+ start[0] = i;
+ /* Choose the next plane to write */
+ if (H5Sselect_hyperslab(f_sid, H5S_SELECT_SET, start, NULL, count, NULL) < 0) {
+ HDfprintf(stderr, "Failed H5Sselect_hyperslab\n");
+ HDfree(buffer);
+ return -1;
+ }
+
+ /* Write plane to the dataset */
+ if (H5Dwrite(dsid, UC_DATATYPE, m_sid, f_sid, H5P_DEFAULT, buffer) < 0) {
+ HDfprintf(stderr, "Failed H5Dwrite\n");
+ HDfree(buffer);
+ return -1;
+ }
+
+ /* Uncork the dataset's metadata from the cache, if SWMR is enabled */
+ if (opts->use_swmr) {
+ if (H5Oenable_mdc_flushes(dsid) < 0) {
+ HDfprintf(stderr, "H5Oenable_mdc_flushes failed\n");
+ HDfree(buffer);
+ return -1;
+ }
+ }
+
+ /* flush file to make the just written plane available. */
+ if (H5Dflush(dsid) < 0) {
+ HDfprintf(stderr, "Failed to H5Fflush file\n");
+ HDfree(buffer);
+ return -1;
+ }
+ } /* end for each plane to write */
+
+ /* Done writing. Free/Close all resources including data file */
+ HDfree(buffer);
+ if (H5Dclose(dsid) < 0) {
+ HDfprintf(stderr, "Failed to close datasete\n");
+ return -1;
+ }
+ if (H5Sclose(m_sid) < 0) {
+ HDfprintf(stderr, "Failed to close memory space\n");
+ return -1;
+ }
+ if (H5Sclose(f_sid) < 0) {
+ HDfprintf(stderr, "Failed to close file space\n");
+ return -1;
+ }
+
+ return 0;
+} /* end write_uc_file() */
+
+/* ----------------------------------------------------------------------------
+ * Read planes from the dataset.
+ * It expects the dataset is being changed (growing).
+ * It checks the unlimited dimension (1st one). When it increases,
+ * it will read in the new planes, one by one, and verify the data correctness.
+ * (The nth plan should contain all "n".)
+ * When the unlimited dimension grows to the chunksize (it becomes a cube),
+ * that is the expected end of data, the reader exits.
+ *
+ * Return: 0 succeed; -1 fail.
+ * ----------------------------------------------------------------------------
+ */
+int
+read_uc_file(hbool_t towait, options_t *opts)
+{
+ hid_t fid; /* File ID for new HDF5 file */
+ hid_t dsid; /* dataset ID */
+ UC_CTYPE *buffer = NULL, *bufptr = NULL; /* read data buffer */
+ hid_t f_sid; /* dataset file space id */
+ hid_t m_sid; /* memory space id */
+ int rank; /* rank */
+ hsize_t dims[3]; /* Dataspace dimensions */
+ hsize_t memdims[3]; /* Memory space dimensions */
+ hsize_t nplane = 0, nplanes_seen = 0; /* nth plane, last nth plane */
+ hsize_t start[3] = {0, 0, 0}, count[3]; /* Hyperslab selection values */
+ hsize_t j, k;
+ int nreadererr = 0;
+ int nerrs;
+ int loops_waiting_for_plane;
+
+ /* Before reading, wait for the message that H5Fopen is complete--file lock is released */
+ if (towait && h5_wait_message(WRITER_MESSAGE) < 0) {
+ HDfprintf(stderr, "Cannot find writer message file...failed\n");
+ return -1;
+ }
+
+ HDfprintf(stderr, "Opening to read %s\n", opts->filename);
+ if ((fid = H5Fopen(opts->filename, H5F_ACC_RDONLY | (opts->use_swmr ? H5F_ACC_SWMR_READ : 0),
+ opts->fapl_id)) < 0) {
+ HDfprintf(stderr, "H5Fopen failed\n");
+ return -1;
+ }
+
+ if ((dsid = H5Dopen2(fid, opts->progname, H5P_DEFAULT)) < 0) {
+ HDfprintf(stderr, "H5Dopen2 failed\n");
+ return -1;
+ }
+
+ /* Allocate space for data buffer 1 X dims[1] X dims[2] of UC_CTYPE */
+ memdims[0] = 1;
+ memdims[1] = opts->dims[1];
+ memdims[2] = opts->dims[2];
+ if ((buffer = (UC_CTYPE *)HDmalloc((size_t)memdims[1] * (size_t)memdims[2] * sizeof(UC_CTYPE))) == NULL) {
+ HDfprintf(stderr, "malloc: failed\n");
+ return -1;
+ }
+
+ /*
+ * Get dataset rank and dimension.
+ * Verify dimension is as expected (unlimited,2*chunksize,2*chunksize).
+ */
+ f_sid = H5Dget_space(dsid); /* Get filespace handle first. */
+ rank = H5Sget_simple_extent_ndims(f_sid);
+ if (rank != UC_RANK) {
+ HDfprintf(stderr, "rank(%d) of dataset does not match\n", rank);
+ HDfree(buffer);
+ return -1;
+ }
+ if (H5Sget_simple_extent_dims(f_sid, dims, NULL) < 0) {
+ HDfprintf(stderr, "H5Sget_simple_extent_dims got error\n");
+ HDfree(buffer);
+ return -1;
+ }
+ HDprintf("dataset rank %d, dimensions %llu x %llu x %llu\n", rank, (unsigned long long)(dims[0]),
+ (unsigned long long)(dims[1]), (unsigned long long)(dims[2]));
+ /* verify that file space dims are as expected and are consistent with memory space dims */
+ if (dims[1] != memdims[1] || dims[2] != memdims[2]) {
+ HDfprintf(stderr, "dataset dimension is not as expected. Got dims=(%llu,%llu,%llu)\n",
+ (unsigned long long)dims[0], (unsigned long long)dims[1], (unsigned long long)dims[2]);
+ HDfprintf(stderr, "But memdims=(%llu,%llu,%llu)\n", (unsigned long long)memdims[0],
+ (unsigned long long)memdims[1], (unsigned long long)memdims[2]);
+ HDfree(buffer);
+ return -1;
+ }
+
+ /* Setup mem-space for buffer */
+ if ((m_sid = H5Screate_simple(rank, memdims, NULL)) < 0) {
+ HDfprintf(stderr, "H5Screate_simple for memory failed\n");
+ HDfree(buffer);
+ return -1;
+ }
+
+ /* Read 1 plane at a time whenever the dataset grows larger (along dim[0]) */
+ count[0] = 1;
+ count[1] = dims[1];
+ count[2] = dims[2];
+ /* quit when all nplanes have been read */
+ loops_waiting_for_plane = 0;
+ while (nplanes_seen < opts->nplanes) {
+ /* print progress message according to if new planes are available */
+ if (nplanes_seen < dims[0]) {
+ if (loops_waiting_for_plane) {
+ /* end the previous message */
+ HDprintf("\n");
+ loops_waiting_for_plane = 0;
+ }
+ HDprintf("reading planes %llu to %llu\n", (unsigned long long)nplanes_seen,
+ (unsigned long long)dims[0]);
+ }
+ else {
+ if (loops_waiting_for_plane) {
+ HDprintf(".");
+ if (loops_waiting_for_plane >= 30) {
+ HDfprintf(stderr, "waited too long for new plane, quit.\n");
+ HDfree(buffer);
+ return -1;
+ }
+ }
+ else {
+ /* print mesg only the first time; dots still no new plane */
+ HDprintf("waiting for new planes to read ");
+ }
+ loops_waiting_for_plane++;
+ /* pause for a second */
+ HDsleep(1);
+ }
+
+ for (nplane = nplanes_seen; nplane < dims[0]; nplane++) {
+ /* read planes between last old nplanes and current extent */
+ /* Get the dataset's dataspace */
+ if ((f_sid = H5Dget_space(dsid)) < 0) {
+ HDfprintf(stderr, "H5Dget_space failed\n");
+ HDfree(buffer);
+ return -1;
+ }
+
+ start[0] = nplane;
+ /* Choose the next plane to read */
+ if (H5Sselect_hyperslab(f_sid, H5S_SELECT_SET, start, NULL, count, NULL) < 0) {
+ HDfprintf(stderr, "H5Sselect_hyperslab failed\n");
+ HDfree(buffer);
+ return -1;
+ }
+
+ /* Read the plane from the dataset */
+ if (H5Dread(dsid, UC_DATATYPE, m_sid, f_sid, H5P_DEFAULT, buffer) < 0) {
+ HDfprintf(stderr, "H5Dread failed\n");
+ HDfree(buffer);
+ return -1;
+ }
+
+ /* compare read data with expected data value which is nplane */
+ bufptr = buffer;
+ nerrs = 0;
+ for (j = 0; j < dims[1]; j++) {
+ for (k = 0; k < dims[2]; k++) {
+ if ((hsize_t)*bufptr++ != nplane) {
+ if (++nerrs < ErrorReportMax) {
+ HDfprintf(stderr, "found error %llu plane(%llu,%llu), expected %llu, got %d\n",
+ (unsigned long long)nplane, (unsigned long long)j,
+ (unsigned long long)k, (unsigned long long)nplane, (int)*(bufptr - 1));
+ } /* end if should print error */
+ } /* end if value mismatch */
+ } /* end for plane second dimension */
+ } /* end for plane first dimension */
+ if (nerrs) {
+ nreadererr++;
+ HDfprintf(stderr, "found %d unexpected values in plane %llu\n", nerrs,
+ (unsigned long long)nplane);
+ }
+ } /* end for each plane added since last read */
+
+ nplanes_seen = dims[0];
+
+ /* check if dataset has grown since last time (update dims) */
+ H5Drefresh(dsid);
+ f_sid = H5Dget_space(dsid); /* Get filespace handle first. */
+ if (H5Sget_simple_extent_dims(f_sid, dims, NULL) < 0) {
+ HDfprintf(stderr, "H5Sget_simple_extent_dims got error\n");
+ HDfree(buffer);
+ return -1;
+ }
+ } /* end while (expecting more planes to read) */
+
+ if (H5Fclose(fid) < 0) {
+ HDfprintf(stderr, "H5Fclose failed\n");
+ HDfree(buffer);
+ return -1;
+ }
+
+ HDfree(buffer);
+
+ if (nreadererr)
+ return -1;
+ else
+ return 0;
+} /* end read_uc_file() */
+
+#endif /* H5_HAVE_UNISTD_H */