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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: swmr_generator.c
*
* Purpose: Functions for building and setting up the SWMR test file
* and datasets.
*
*-------------------------------------------------------------------------
*/
/***********/
/* Headers */
/***********/
#include "h5test.h"
#include "swmr_common.h"
/*
* This file needs to access testing codefrom the H5O package.
*/
#define H5O_FRIEND /*suppress error about including H5Opkg */
#define H5O_TESTING
#include "H5Opkg.h" /* Object headers */
/****************/
/* Local Macros */
/****************/
#define CHUNK_SIZE 50 /* Chunk size for created datasets */
/********************/
/* Local Prototypes */
/********************/
static int gen_skeleton(const char *filename, hbool_t verbose, hbool_t swmr_write, int comp_level,
const char *index_type, unsigned random_seed);
static void usage(void);
/*-------------------------------------------------------------------------
* Function: gen_skeleton
*
* Purpose: Creates the HDF5 file and datasets which will be used in
* the SWMR testing.
*
* Parameters: const char *filename
* The SWMR test file's name.
*
* hbool_t verbose
* Whether verbose console output is desired.
*
* hbool_t swmr_write
* Whether to create the file with SWMR writing enabled
*
* int comp_level
* The zlib compression level to use. -1 = no compression.
*
* const char *index_type
* The chunk index type (b1 | b2 | ea | fa)
*
* unsigned random_seed
* The random seed to store in the file. The sparse tests use
* this value.
*
* Return: Success: 0
* Failure: Can't fail
*
*-------------------------------------------------------------------------
*/
static int
gen_skeleton(const char *filename, hbool_t verbose, hbool_t swmr_write, int comp_level,
const char *index_type, unsigned random_seed)
{
hid_t fid; /* File ID for new HDF5 file */
hid_t fcpl; /* File creation property list */
hid_t fapl; /* File access property list */
hid_t dcpl; /* Dataset creation property list */
hid_t tid; /* Datatype for dataset elements */
hid_t sid; /* Dataspace ID */
hid_t aid; /* Attribute ID */
hsize_t dims[2] = {1, 0}; /* Dataset starting dimensions */
hsize_t max_dims[2] = {1, H5S_UNLIMITED}; /* Dataset maximum dimensions */
hsize_t chunk_dims[2] = {1, CHUNK_SIZE}; /* Chunk dimensions */
#ifdef FILLVAL_WORKS
symbol_t fillval; /* Dataset fill value */
#endif /* FILLVAL_WORKS */
unsigned u, v; /* Local index variable */
HDassert(filename);
HDassert(index_type);
/* Create file access property list */
if ((fapl = h5_fileaccess()) < 0)
return -1;
/* Can create a file for SWMR support with: (a) (write+latest-format) or (b) (SWMR
* write+non-latest-format) */
if (!swmr_write) {
if (H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0)
return -1;
}
/* There are two chunk indexes tested here.
* With one unlimited dimension, we get the extensible array index
* type, with two unlimited dimensions, we get a v2 B-tree.
*/
if (!HDstrcmp(index_type, "b2"))
max_dims[0] = H5S_UNLIMITED;
/* Create file creation property list */
if ((fcpl = H5Pcreate(H5P_FILE_CREATE)) < 0)
return -1;
/* Emit informational message */
if (verbose)
HDfprintf(stderr, "Creating file\n");
/* Create the file */
if ((fid = H5Fcreate(filename, H5F_ACC_TRUNC | (swmr_write ? H5F_ACC_SWMR_WRITE : 0), fcpl, fapl)) < 0)
return -1;
/* Close file creation property list */
if (H5Pclose(fcpl) < 0)
return -1;
/* Close file access property list */
if (H5Pclose(fapl) < 0)
return -1;
/* Create attribute with (shared) random number seed - for sparse test */
if ((sid = H5Screate(H5S_SCALAR)) < 0)
return -1;
if ((aid = H5Acreate2(fid, "seed", H5T_NATIVE_UINT, sid, H5P_DEFAULT, H5P_DEFAULT)) < 0)
return -1;
if (H5Awrite(aid, H5T_NATIVE_UINT, &random_seed) < 0)
return -1;
if (H5Sclose(sid) < 0)
return -1;
/* Create datatype for creating datasets */
if ((tid = create_symbol_datatype()) < 0)
return -1;
/* Create dataspace for creating datasets */
if ((sid = H5Screate_simple(2, dims, max_dims)) < 0)
return -1;
/* Create dataset creation property list */
if ((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0)
return -1;
if (H5Pset_chunk(dcpl, 2, chunk_dims) < 0)
return -1;
if (comp_level >= 0) {
if (H5Pset_deflate(dcpl, (unsigned)comp_level) < 0)
return -1;
} /* end if */
#ifdef FILLVAL_WORKS
/* Currently fill values do not work because they can bump the dataspace
* message to the second object header chunk. We should enable the fillval
* here when this is fixed. -NAF 8/11/11 */
HDmemset(&fillval, 0, sizeof(fillval));
fillval.rec_id = (uint64_t)ULLONG_MAX;
if (H5Pset_fill_value(dcpl, tid, &fillval) < 0)
return -1;
#endif /* FILLVAL_WORKS */
/* Emit informational message */
if (verbose)
HDfprintf(stderr, "Creating datasets\n");
/* Create the datasets */
for (u = 0; u < NLEVELS; u++)
for (v = 0; v < symbol_count[u]; v++) {
hid_t dsid; /* Dataset ID */
char name_buf[64];
hbool_t move_dataspace_message =
FALSE; /* Whether to move the dataspace message out of object header chunk #0 */
generate_name(name_buf, u, v);
if ((dsid = H5Dcreate2(fid, name_buf, tid, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
return -1;
/* Determine if the dataspace message for this dataset should be
* moved out of chunk #0 of the object header
* (Set to TRUE for every fourth dataset)
*/
move_dataspace_message = !(HDrandom() % 4);
if (move_dataspace_message) {
unsigned chunk_num; /* Object header chunk # for dataspace message */
/* Move the dataspace message to a new object header chunk */
if (H5O__msg_move_to_new_chunk_test(dsid, H5O_SDSPACE_ID) < 0)
return -1;
/* Retrieve the chunk # for the dataspace message */
chunk_num = UINT_MAX;
if (H5O__msg_get_chunkno_test(dsid, H5O_SDSPACE_ID, &chunk_num) < 0)
return -1;
/* Should not be in chunk #0 for now */
if (0 == chunk_num)
return -1;
} /* end if */
if (H5Dclose(dsid) < 0)
return -1;
} /* end for */
/* Emit informational message */
if (verbose)
HDfprintf(stderr, "Closing objects\n");
/* Close everythign */
if (H5Pclose(dcpl) < 0)
return -1;
if (H5Sclose(sid) < 0)
return -1;
if (H5Tclose(tid) < 0)
return -1;
if (H5Fclose(fid) < 0)
return -1;
return 0;
} /* end gen_skeleton() */
static void
usage(void)
{
HDprintf("\n");
HDprintf("Usage error!\n");
HDprintf("\n");
HDprintf("Usage: swmr_generator [-q] [-s] [-c <deflate compression level>]\n");
HDprintf(" [-i <index type>] [-r <random seed>]\n");
HDprintf("\n");
HDprintf("NOTE: The random seed option is only used by the sparse test. Other\n");
HDprintf(" tests specify the random seed as a reader/writer option.\n");
HDprintf("\n");
HDprintf("<deflate compression level> should be -1 (for no compression) or 0-9\n");
HDprintf("\n");
HDprintf("<index type> should be b2 or ea\n");
HDprintf("\n");
HDprintf("Defaults to verbose (no '-q' given), no SWMR_WRITE mode (no '-s' given) no\n");
HDprintf("compression ('-c -1'), v1 b-tree indexing (-i b1), and will generate a random\n");
HDprintf("seed (no -r given).\n");
HDprintf("\n");
HDexit(EXIT_FAILURE);
} /* end usage() */
int
main(int argc, char *argv[])
{
int comp_level = -1; /* Compression level (-1 is no compression) */
hbool_t verbose = TRUE; /* Whether to emit some informational messages */
hbool_t swmr_write = FALSE; /* Whether to create file with SWMR_WRITE access */
const char *index_type = "b1"; /* Chunk index type */
hbool_t use_seed = FALSE; /* Set to TRUE if a seed was set on the command line */
unsigned random_seed = 0; /* Random # seed */
unsigned u; /* Local index variables */
int temp;
/* Parse command line options */
if (argc > 1) {
u = 1;
while (u < (unsigned)argc) {
if (argv[u][0] == '-') {
switch (argv[u][1]) {
/* Compress dataset chunks */
case 'c':
comp_level = HDatoi(argv[u + 1]);
if (comp_level < -1 || comp_level > 9)
usage();
u += 2;
break;
/* Chunk index type */
case 'i':
index_type = argv[u + 1];
if (HDstrcmp(index_type, "ea") != 0 && HDstrcmp(index_type, "b2") != 0)
usage();
u += 2;
break;
/* Random # seed */
case 'r':
use_seed = TRUE;
temp = HDatoi(argv[u + 1]);
if (temp < 0)
usage();
else
random_seed = (unsigned)temp;
u += 2;
break;
/* Be quiet */
case 'q':
verbose = FALSE;
u++;
break;
/* Run with SWMR_WRITE */
case 's':
swmr_write = TRUE;
u++;
break;
default:
usage();
break;
} /* end switch */
} /* end if */
} /* end while */
} /* end if */
/* Emit informational message */
if (verbose) {
HDfprintf(stderr, "Parameters:\n");
HDfprintf(stderr, "\tswmr writes %s\n", swmr_write ? "on" : "off");
HDfprintf(stderr, "\tcompression level = %d\n", comp_level);
HDfprintf(stderr, "\tindex type = %s\n", index_type);
} /* end if */
/* Set the random seed */
if (!use_seed) {
struct timeval t;
HDgettimeofday(&t, NULL);
random_seed = (unsigned)(t.tv_usec);
} /* end if */
HDsrandom(random_seed);
/* ALWAYS emit the random seed for possible debugging */
HDfprintf(stderr, "Using generator random seed (used in sparse test only): %u\n", random_seed);
/* Emit informational message */
if (verbose)
HDfprintf(stderr, "Generating skeleton file: %s\n", FILENAME);
/* Generate file skeleton */
if (gen_skeleton(FILENAME, verbose, swmr_write, comp_level, index_type, random_seed) < 0) {
HDfprintf(stderr, "Error generating skeleton file!\n");
HDexit(EXIT_FAILURE);
} /* end if */
return 0;
}
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