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authorDana Robinson <derobins@hdfgroup.org>2017-01-26 19:34:12 (GMT)
committerDana Robinson <derobins@hdfgroup.org>2017-01-26 19:34:12 (GMT)
commit2cac1c063735f2989988b279ff0233d6e9f335a3 (patch)
tree7a134078846919680b95c36d1772466793fe3da3 /test/use_disable_mdc_flushes.c
parent768636dbd77ea787a6a04dfc321ff3e862791db7 (diff)
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Moved remaining SWMR-related test files to develop.
Diffstat (limited to 'test/use_disable_mdc_flushes.c')
-rw-r--r--test/use_disable_mdc_flushes.c549
1 files changed, 549 insertions, 0 deletions
diff --git a/test/use_disable_mdc_flushes.c b/test/use_disable_mdc_flushes.c
new file mode 100644
index 0000000..2915cc3
--- /dev/null
+++ b/test/use_disable_mdc_flushes.c
@@ -0,0 +1,549 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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 files COPYING and Copyright.html. COPYING can be found at the root *
+ * of the source code distribution tree; Copyright.html can be found at the *
+ * root level of an installed copy of the electronic HDF5 document set and *
+ * is linked from the top-level documents page. It can also be found at *
+ * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from help@hdfgroup.org. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * This is copied from use_append_chunk.c with modifications to show
+ * the usage of H5Odisable_mdc_flushes/H5Oenable_mdc_flushes/H5Oare_mdc_flushes_disabled public routines.
+ */
+
+#include "h5test.h"
+
+/* This test uses many POSIX things that are not available on
+ * Windows. We're using a check for fork(2) here as a proxy for
+ * all POSIX/Unix/Linux things until this test can be made
+ * more platform-independent.
+ */
+#ifdef H5_HAVE_FORK
+
+#define H5D_FRIEND /*suppress error about including H5Dpkg */
+#define H5D_TESTING
+#include "H5Dpkg.h"
+
+/* Global Variable definitions */
+const char *progname_g="use_disable_mdc_flushes"; /* program name */
+
+/* these two definitions must match each other */
+#define UC_DATATYPE H5T_NATIVE_SHORT /* use case HDF5 data type */
+#define UC_CTYPE short /* use case C data type */
+#define UC_RANK 3 /* use case dataset rank */
+#define Chunksize_DFT 256 /* chunksize default */
+#define Hgoto_error(val) {ret_value=val; goto done;}
+
+
+char *filename_g;
+hsize_t nplanes_g;
+int use_swmr_g;
+int chunkplanes_g;
+int chunksize_g;
+hsize_t dims_g[UC_RANK];
+hsize_t max_dims_g[UC_RANK];
+hsize_t chunkdims_g[UC_RANK];
+
+static void usage(const char *prog);
+static int parse_option(int argc, char * const argv[]);
+static void show_parameters(void);
+static int create_file(void);
+static int setup_parameters(int argc, char * const argv[]);
+
+/*
+ * Note: Long options are not yet implemented.
+ *
+ * usage: use_disable_mdc_flushes [OPTIONS]
+ * OPTIONS
+ * -h, --help Print a usage message and exit
+ * -f FN Test file name [default: use_disable_mdc_flushes.h5]
+ * -n N, --nplanes=N Number of planes to write. [default: 1000]
+ * -s N, --swmr=N Use SWMR mode (0: no, non-0: yes) default is yes
+ * -z N, --chunksize=N Chunk size [default: 256]
+ * -y N, --chunkplanes=N Number of planes per chunk [default: 1]
+ */
+static void
+usage(const char *prog)
+{
+ fprintf(stderr, "usage: %s [OPTIONS]\n", prog);
+ fprintf(stderr, " OPTIONS\n");
+ fprintf(stderr, " -h Print a usage message and exit\n");
+ fprintf(stderr, " -f FN Test file name [default: %s.h5]\n", prog);
+ fprintf(stderr, " -n N Number of planes to write. [default: 1000]\n");
+ fprintf(stderr, " -s N Use SWMR mode (0: no, non-0: yes) default is yes\n");
+ fprintf(stderr, " -z N Chunk size [default: %d]\n", Chunksize_DFT);
+ fprintf(stderr, " -y N Number of planes per chunk [default: 1]\n");
+ fprintf(stderr, "\n");
+} /* usage() */
+
+
+/*
+ * Setup Use Case parameters by parsing command line options.
+ * Setup default values if not set by options. */
+static int
+parse_option(int argc, char * const argv[])
+{
+ int ret_value=0;
+ int c;
+ /* command line options: See function usage for a description */
+ const char *cmd_options = "f:hn:s:y:z:";
+
+ /* suppress getopt from printing error */
+ opterr = 0;
+
+ while (1){
+ c = getopt (argc, argv, cmd_options);
+ if (-1 == c)
+ break;
+ switch (c) {
+ case 'h':
+ usage(progname_g);
+ exit(0);
+ break;
+ case 'f': /* usecase data file name */
+ filename_g = optarg;
+ break;
+ case 'n': /* number of planes to write/read */
+ if ((nplanes_g = atoi(optarg)) <= 0){
+ fprintf(stderr, "bad number of planes %s, must be a positive integer\n", optarg);
+ usage(progname_g);
+ Hgoto_error(-1);
+ };
+ break;
+ case 's': /* use swmr file open mode */
+ if ((use_swmr_g = atoi(optarg)) < 0){
+ fprintf(stderr, "swmr value should be 0(no) or 1(yes)\n");
+ usage(progname_g);
+ Hgoto_error(-1);
+ };
+ break;
+ case 'y': /* Number of planes per chunk */
+ if ((chunkplanes_g = atoi(optarg)) <= 0){
+ fprintf(stderr, "bad number of planes per chunk %s, must be a positive integer\n", optarg);
+ usage(progname_g);
+ Hgoto_error(-1);
+ };
+ break;
+ case 'z': /* size of chunk=(z,z) */
+ if ((chunksize_g = atoi(optarg)) <= 0){
+ fprintf(stderr, "bad chunksize %s, must be a positive integer\n", optarg);
+ usage(progname_g);
+ Hgoto_error(-1);
+ };
+ break;
+ case '?':
+ fprintf(stderr, "getopt returned '%c'.\n", c);
+ Hgoto_error(-1);
+ default:
+ fprintf(stderr, "getopt returned unexpected value.\n");
+ fprintf(stderr, "Unexpected value is %d\n", c);
+ Hgoto_error(-1);
+ }
+ }
+
+ /* set test file name if not given */
+ if (!filename_g){
+ /* default data file name is <progname>.h5 */
+ if ((filename_g = (char*)HDmalloc(HDstrlen(progname_g)+4))==NULL) {
+ fprintf(stderr, "malloc: failed\n");
+ Hgoto_error(-1);
+ };
+ HDstrcpy(filename_g, progname_g);
+ HDstrcat(filename_g, ".h5");
+ }
+
+done:
+ /* All done. */
+ return(ret_value);
+} /* parse_option() */
+
+/* Show parameters used for this use case */
+static void
+show_parameters(void)
+{
+ printf("===Parameters used:===\n");
+ printf("chunk dims=(%llu, %llu, %llu)\n", (unsigned long long)chunkdims_g[0],
+ (unsigned long long)chunkdims_g[1], (unsigned long long)chunkdims_g[2]);
+ printf("dataset max dims=(%llu, %llu, %llu)\n", (unsigned long long)max_dims_g[0],
+ (unsigned long long)max_dims_g[1], (unsigned long long)max_dims_g[2]);
+ printf("number of planes to write=%llu\n", (unsigned long long)nplanes_g);
+ printf("using SWMR mode=%s\n", use_swmr_g ? "yes(1)" : "no(0)");
+ printf("data filename=%s\n", filename_g);
+ printf("===Parameters shown===\n");
+} /* show_parameters() */
+
+/*
+ * Setup parameters for the use case.
+ * Return: 0 succeed; -1 fail.
+ */
+static int
+setup_parameters(int argc, char * const argv[])
+{
+ /* use case defaults */
+ chunksize_g = Chunksize_DFT;
+ use_swmr_g = 1; /* use swmr open */
+ chunkplanes_g = 1;
+
+ /* parse options */
+ if (parse_option(argc, argv) < 0){
+ return(-1);
+ }
+ /* set chunk dims */
+ chunkdims_g[0] = chunkplanes_g;
+ chunkdims_g[1]= chunkdims_g[2] = chunksize_g;
+
+ /* set dataset initial and max dims */
+ dims_g[0] = 0;
+ max_dims_g[0] = H5S_UNLIMITED;
+ dims_g[1] = dims_g[2] = max_dims_g[1] = max_dims_g[2] = chunksize_g;
+
+ /* set nplanes */
+ if (nplanes_g == 0)
+ nplanes_g = chunksize_g;
+
+ /* show parameters and return */
+ show_parameters();
+ return(0);
+} /* setup_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.
+ */
+static int
+create_file(void)
+{
+ 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 */
+ hid_t fapl; /* File access property list */
+ H5D_chunk_index_t idx_type; /* Chunk index type */
+
+ /* Create the file */
+ if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
+ return -1;
+ if(H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0)
+ return -1;
+ if((fid = H5Fcreate(filename_g, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
+ return -1;
+
+ /* Set up dimension sizes */
+ dims[0] = 0;
+ dims[1] = dims[2] = max_dims_g[1];
+
+ /* Create dataspace for creating datasets */
+ if((sid = H5Screate_simple(3, dims, max_dims_g)) < 0)
+ return -1;
+
+ /* Create dataset creation property list */
+ if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
+ return -1;
+ if(H5Pset_chunk(dcpl, 3, chunkdims_g) < 0)
+ return -1;
+
+ /* create dataset of progname */
+ if((dsid = H5Dcreate2(fid, progname_g, 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(H5D__layout_idx_type_test(dsid, &idx_type) < 0)
+ return -1;
+ if(idx_type == H5D_CHUNK_IDX_BTREE) {
+ fprintf(stderr, "ERROR: Chunk index is version 1 B-tree: aborting.\n");
+ return -1;
+ }
+
+ /* Close everything */
+ if(H5Dclose(dsid) < 0)
+ return -1;
+ if(H5Pclose(fapl) < 0)
+ return -1;
+ if(H5Pclose(dcpl) < 0)
+ return -1;
+ if(H5Sclose(sid) < 0)
+ return -1;
+ if(H5Fclose(fid) < 0)
+ return -1;
+
+ return 0;
+} /* create_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 plane 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.
+ */
+static int
+write_file(void)
+{
+ hid_t fid; /* File ID for new HDF5 file */
+ hid_t dsid; /* dataset ID */
+ hid_t fapl; /* File access property list */
+ hid_t dcpl; /* Dataset creation property list */
+ char *name;
+ UC_CTYPE *buffer, *bufptr; /* data buffer */
+ hsize_t cz=chunksize_g; /* 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 */
+ hbool_t disabled; /* Object's disabled status */
+ hsize_t i, j, k;
+
+ name = filename_g;
+
+ /* Open the file */
+ if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
+ return -1;
+ if(use_swmr_g)
+ if(H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0)
+ return -1;
+ if((fid = H5Fopen(name, H5F_ACC_RDWR | (use_swmr_g ? H5F_ACC_SWMR_WRITE : 0), fapl)) < 0){
+ fprintf(stderr, "H5Fopen failed\n");
+ return -1;
+ }
+
+ /* Open the dataset of the program name */
+ if((dsid = H5Dopen2(fid, progname_g, H5P_DEFAULT)) < 0){
+ fprintf(stderr, "H5Dopen2 failed\n");
+ return -1;
+ }
+
+ /* Disabled mdc flushed for the dataset */
+ if(H5Odisable_mdc_flushes(dsid) < 0) {
+ fprintf(stderr, "H5Odisable_mdc_flushes failed\n");
+ return -1;
+ }
+
+ /* Get mdc disabled status of the dataset */
+ if(H5Oare_mdc_flushes_disabled(dsid, &disabled) < 0) {
+ fprintf(stderr, "H5Oare_mdc_flushes_disabled failed\n");
+ return -1;
+ } else if(disabled)
+ printf("Dataset has disabled mdc flushes.\n");
+ else
+ printf("Dataset should have disabled its mdc flushes.\n");
+
+ /* Find chunksize used */
+ if ((dcpl = H5Dget_create_plist(dsid)) < 0){
+ fprintf(stderr, "H5Dget_create_plist failed\n");
+ return -1;
+ }
+ if (H5D_CHUNKED != H5Pget_layout(dcpl)){
+ fprintf(stderr, "storage layout is not chunked\n");
+ return -1;
+ }
+ if ((rank = H5Pget_chunk(dcpl, 3, chunk_dims)) != 3){
+ fprintf(stderr, "storage rank is not 3\n");
+ return -1;
+ }
+
+ /* verify chunk_dims against set paramenters */
+ if (chunk_dims[0]!= chunkdims_g[0] || chunk_dims[1] != cz || chunk_dims[2] != cz){
+ fprintf(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] = dims_g[1];
+ memdims[2] = dims_g[2];
+ if ((buffer=(UC_CTYPE*)HDmalloc((size_t)memdims[1]*(size_t)memdims[2]*sizeof(UC_CTYPE)))==NULL) {
+ fprintf(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){
+ fprintf(stderr, "rank(%d) of dataset does not match\n", rank);
+ return -1;
+ }
+ if (H5Sget_simple_extent_dims(f_sid, dims, NULL) < 0){
+ fprintf(stderr, "H5Sget_simple_extent_dims got error\n");
+ return -1;
+ }
+ printf("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]){
+ fprintf(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]);
+ return -1;
+ }
+
+ /* setup mem-space for buffer */
+ if ((m_sid=H5Screate_simple(rank, memdims, NULL))<0){
+ fprintf(stderr, "H5Screate_simple for memory failed\n");
+ return -1;
+ };
+
+ /* write planes */
+ count[0]=1;
+ count[1]=dims[1];
+ count[2]=dims[2];
+ for (i=0; i<nplanes_g; i++){
+ /* fill buffer with value i+1 */
+ bufptr = buffer;
+ for (j=0; j<dims[1]; j++)
+ for (k=0; k<dims[2]; k++)
+ *bufptr++ = i;
+
+ /* extend the dataset by one for new plane */
+ dims[0]=i+1;
+ if(H5Dset_extent(dsid, dims) < 0){
+ fprintf(stderr, "H5Dset_extent failed\n");
+ return -1;
+ }
+
+ /* Get the dataset's dataspace */
+ if((f_sid = H5Dget_space(dsid)) < 0){
+ fprintf(stderr, "H5Dset_extent failed\n");
+ return -1;
+ }
+
+ start[0]=i;
+ /* Choose the next plane to write */
+ if(H5Sselect_hyperslab(f_sid, H5S_SELECT_SET, start, NULL, count, NULL) < 0){
+ fprintf(stderr, "Failed H5Sselect_hyperslab\n");
+ return -1;
+ }
+
+ /* Write plane to the dataset */
+ if(H5Dwrite(dsid, UC_DATATYPE, m_sid, f_sid, H5P_DEFAULT, buffer) < 0){
+ fprintf(stderr, "Failed H5Dwrite\n");
+ return -1;
+ }
+
+ /* Flush the dataset for every "chunkplanes_g" planes */
+ if(!((i + 1) % (hsize_t)chunkplanes_g)) {
+ if(H5Dflush(dsid) < 0) {
+ fprintf(stderr, "Failed to H5Dflush dataset\n");
+ return -1;
+ }
+ }
+ }
+
+ if(H5Dflush(dsid) < 0) {
+ fprintf(stderr, "Failed to H5Dflush dataset\n");
+ return -1;
+ }
+
+ /* Enable mdc flushes for the dataset */
+ /* Closing the dataset later will enable mdc flushes automatically if this is not done */
+ if(disabled)
+ if(H5Oenable_mdc_flushes(dsid) < 0) {
+ fprintf(stderr, "Failed to H5Oenable_mdc_flushes\n");
+ return -1;
+ }
+
+ /* Done writing. Free/Close all resources including data file */
+ HDfree(buffer);
+
+ if(H5Dclose(dsid) < 0){
+ fprintf(stderr, "Failed to close datasete\n");
+ return -1;
+ }
+ if(H5Sclose(m_sid) < 0){
+ fprintf(stderr, "Failed to close memory space\n");
+ return -1;
+ }
+ if(H5Sclose(f_sid) < 0){
+ fprintf(stderr, "Failed to close file space\n");
+ return -1;
+ }
+ if(H5Pclose(fapl) < 0){
+ fprintf(stderr, "Failed to property list\n");
+ return -1;
+ }
+ if(H5Fclose(fid) < 0){
+ fprintf(stderr, "Failed to close file id\n");
+ return -1;
+ }
+
+ return 0;
+} /* write_file() */
+
+
+
+/* Overall Algorithm:
+ * Parse options from user;
+ * Generate/pre-created test files needed and close it;
+ * Write to the file.
+ */
+int
+main(int argc, char *argv[])
+{
+ int ret_value = 0;
+
+ /* initialization */
+ if(setup_parameters(argc, argv) < 0)
+ Hgoto_error(1);
+
+ /* ============*/
+ /* Create file */
+ /* ============*/
+ printf("Creating skeleton data file for testing H5Odisable_mdc_flushes()...\n");
+ if(create_file() < 0) {
+ fprintf(stderr, "***encounter error\n");
+ Hgoto_error(1);
+ } /* end if */
+ else
+ printf("File created.\n");
+
+ printf("writing to the file\n");
+ if(write_file() < 0) {
+ fprintf(stderr, "write_file encountered error\n");
+ Hgoto_error(1);
+ }
+
+done:
+ /* Print result and exit */
+ if(ret_value != 0)
+ printf("Error(s) encountered\n");
+ else
+ printf("All passed\n");
+
+ return(ret_value);
+}
+
+#else /* H5_HAVE_FORK */
+
+int
+main(void)
+{
+ HDfprintf(stderr, "Non-POSIX platform. Skipping.\n");
+ return EXIT_SUCCESS;
+} /* end main() */
+
+#endif /* H5_HAVE_FORK */
+