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Diffstat (limited to 'test/swmr_generator.c')
| -rw-r--r-- | test/swmr_generator.c | 354 |
1 files changed, 354 insertions, 0 deletions
diff --git a/test/swmr_generator.c b/test/swmr_generator.c new file mode 100644 index 0000000..53a619b --- /dev/null +++ b/test/swmr_generator.c @@ -0,0 +1,354 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * 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. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/*------------------------------------------------------------------------- + * + * 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, sizeof(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 everything */ + 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; +} |