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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 "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;
+
+#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);
+ HDfprintf(stderr, "mdc_config.initial_size = %lu\n", (unsigned long)mdc_config.initial_size);
+ HDfprintf(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)
+ 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)
+{
+ 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 b2 or ea\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");
+ HDexit(1);
+} /* end usage() */
+
+int main(int argc, const 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")
+ && HDstrcmp(index_type, "b2"))
+ 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(1);
+ } /* end if */
+
+ return 0;
+}