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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 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: swmr_generator.c
*
* Purpose: Functions for building and setting up the SWMR test file
* and datasets.
*
*-------------------------------------------------------------------------
*/
/***********/
/* Headers */
/***********/
#include <assert.h>
#include <sys/time.h>
#include "swmr_common.h"
/****************/
/* Local Macros */
/****************/
#define CHUNK_SIZE 50 /* Chunk size for created datasets */
/********************/
/* Local Prototypes */
/********************/
static int gen_skeleton(const char *filename, unsigned verbose,
unsigned 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.
*
* unsigned verbose
* Whether verbose console output is desired.
*
* 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, unsigned verbose, unsigned 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 */
assert(filename);
assert(index_type);
/* Create file access property list */
if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
return -1;
/* Select the correct index type */
if(strcmp(index_type, "b1"))
if(H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0)
return -1;
if(!strcmp(index_type, "b2"))
max_dims[0] = H5S_UNLIMITED;
#ifdef QAK
/* Increase the initial size of the metadata cache */
{
H5AC_cache_config_t mdc_config;
mdc_config.version = H5AC__CURR_CACHE_CONFIG_VERSION;
H5Pget_mdc_config(fapl, &mdc_config);
fprintf(stderr, "mdc_config.initial_size = %lu\n", (unsigned long)mdc_config.initial_size);
fprintf(stderr, "mdc_config.epoch_length = %lu\n", (unsigned long)mdc_config.epoch_length);
mdc_config.set_initial_size = 1;
mdc_config.initial_size = 16 * 1024 * 1024;
/* mdc_config.epoch_length = 5000; */
H5Pset_mdc_config(fapl, &mdc_config);
}
#endif /* QAK */
#ifdef QAK
H5Pset_small_data_block_size(fapl, (hsize_t)(50 * CHUNK_SIZE * DTYPE_SIZE));
#endif /* QAK */
#ifdef QAK
H5Pset_fapl_log(fapl, "append.log", H5FD_LOG_ALL, (size_t)(512 * 1024 * 1024));
#endif /* QAK */
/* Create file creation property list */
if((fcpl = H5Pcreate(H5P_FILE_CREATE)) < 0)
return -1;
#ifdef QAK
H5Pset_link_phase_change(fcpl, 0, 0);
#endif /* QAK */
/* Emit informational message */
if(verbose)
fprintf(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 */
memset(&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)
fprintf(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];
generate_name(name_buf, u, v);
if((dsid = H5Dcreate2(fid, name_buf, tid, sid, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
return -1;
if(H5Dclose(dsid) < 0)
return -1;
} /* end for */
/* Emit informational message */
if(verbose)
fprintf(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)
{
printf("\n");
printf("Usage error!\n");
printf("\n");
printf("Usage: swmr_generator [-q] [-s] [-c <deflate compression level>]\n");
printf(" [-i <index type>] [-r <random seed>]\n");
printf("\n");
printf("NOTE: The random seed option is only used by the sparse test. Other\n");
printf(" tests specify the random seed as a reader/writer option.\n");
printf("\n");
printf("<deflate compression level> should be -1 (for no compression) or 0-9\n");
printf("\n");
printf("<index type> should be b1, b2, fa, or ea (fa not yet implemented)\n");
printf("\n");
printf("Defaults to verbose (no '-q' given), no SWMR_WRITE mode (no '-s' given) no\n");
printf("compression ('-c -1'), v1 b-tree indexing (-i b1), and will generate a random\n");
printf("seed (no -r given).\n");
printf("\n");
exit(1);
} /* end usage() */
int main(int argc, const char *argv[])
{
int comp_level = -1; /* Compression level (-1 is no compression) */
unsigned verbose = 1; /* Whether to emit some informational messages */
unsigned swmr_write = 0; /* Whether to create file with SWMR_WRITE access */
const char *index_type = "b1"; /* Chunk index type */
unsigned use_seed = 0; /* Set to 1 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 = atoi(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(strcmp(index_type, "b1")
&& strcmp(index_type, "ea")
&& strcmp(index_type, "b2"))
usage();
u += 2;
break;
/* Random # seed */
case 'r':
use_seed = 1;
temp = atoi(argv[u + 1]);
if(temp < 0)
usage();
else
random_seed = (unsigned)temp;
u += 2;
break;
/* Be quiet */
case 'q':
verbose = 0;
u++;
break;
/* Run with SWMR_WRITE */
case 's':
swmr_write = 1;
u++;
break;
default:
usage();
break;
} /* end switch */
} /* end if */
} /* end while */
} /* end if */
/* Emit informational message */
if(verbose) {
fprintf(stderr, "Parameters:\n");
fprintf(stderr, "\tswmr writes %s\n", swmr_write ? "on" : "off");
fprintf(stderr, "\tcompression level = %d\n", comp_level);
fprintf(stderr, "\tindex type = %s\n", index_type);
} /* end if */
/* Set the random seed */
if(0 == use_seed) {
struct timeval t;
gettimeofday(&t, NULL);
random_seed = (unsigned)((t.tv_sec * 1000) + t.tv_usec);
} /* end if */
srandom(random_seed);
/* ALWAYS emit the random seed for possible debugging */
fprintf(stderr, "Using generator random seed (used in sparse test only): %u\n", random_seed);
/* Emit informational message */
if(verbose)
fprintf(stderr, "Generating skeleton file: %s\n", FILENAME);
/* Generate file skeleton */
if(gen_skeleton(FILENAME, verbose, swmr_write, comp_level, index_type, random_seed) < 0) {
fprintf(stderr, "Error generating skeleton file!\n");
exit(1);
} /* end if */
return 0;
}
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