diff options
Diffstat (limited to 'test/swmr_reader.c')
| -rw-r--r-- | test/swmr_reader.c | 881 |
1 files changed, 500 insertions, 381 deletions
diff --git a/test/swmr_reader.c b/test/swmr_reader.c index 02eaf9f..14e91ca 100644 --- a/test/swmr_reader.c +++ b/test/swmr_reader.c @@ -1,381 +1,500 @@ -/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
- * 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. *
- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-#include <unistd.h>
-#include <sys/time.h>
-
-#include "swmr_common.h"
-
-static hid_t symbol_tid = -1;
-
-static int
-check_dataset(hid_t fid, unsigned verbose, const char *sym_name, symbol_t *record,
- hid_t rec_sid)
-{
- hid_t dsid; /* Dataset ID */
- hid_t file_sid; /* Dataset's space ID */
- hssize_t snpoints; /* Number of elements in dataset */
- hsize_t start[2] = {0, 0}, count[2] = {1, 1}; /* Hyperslab selection values */
-
- /* Open dataset for symbol */
- if((dsid = H5Dopen2(fid, sym_name, H5P_DEFAULT)) < 0)
- return -1;
-
- /* Get the dataset's dataspace */
- if((file_sid = H5Dget_space(dsid)) < 0)
- return -1;
-
- /* Get the number of elements (= records, for 1-D datasets) */
- if((snpoints = H5Sget_simple_extent_npoints(file_sid)) < 0)
- return -1;
-
- /* Emit informational message */
- if(verbose)
- fprintf(stderr, "Symbol = '%s', # of records = %lld\n", sym_name, (long long)snpoints);
-
- /* Check if there are records for symbol */
- if(snpoints > 0) {
- /* Choose the last record in the dataset */
- start[1] = (hsize_t)(snpoints - 1);
- if(H5Sselect_hyperslab(file_sid, H5S_SELECT_SET, start, NULL, count, NULL) < 0)
- return -1;
-
- /* Read record from dataset */
- record->rec_id = (uint64_t)ULLONG_MAX;
- if(H5Dread(dsid, symbol_tid, rec_sid, file_sid, H5P_DEFAULT, record) < 0)
- return -1;
-
- /* Verify record value */
- if(record->rec_id != start[1]) {
- fprintf(stderr, "*** ERROR ***\n");
- fprintf(stderr, "Incorrect record value!\n");
- fprintf(stderr, "Symbol = '%s', # of records = %lld, record->rec_id = %llu\n", sym_name, (long long)snpoints, (unsigned long long)record->rec_id);
- return -1;
- } /* end if */
- } /* end if */
-
- /* Close the dataset's dataspace */
- if(H5Sclose(file_sid) < 0)
- return -1;
-
- /* Close dataset for symbol */
- if(H5Dclose(dsid) < 0)
- return -1;
-
- return 0;
-} /* end check_dataset() */
-
-static int
-read_records(const char *filename, unsigned verbose, unsigned long nseconds,
- unsigned poll_time, unsigned ncommon, unsigned nrandom)
-{
- time_t start_time; /* Starting time */
- time_t curr_time; /* Current time */
- symbol_info_t **sym_com = NULL, **sym_rand = NULL; /* Pointers to arrays of common & random dataset IDs */
- hid_t mem_sid; /* Memory dataspace ID */
- symbol_t record; /* The record to add to the dataset */
- unsigned v; /* Local index variable */
-
- /* Reset the record */
- /* (record's 'info' field might need to change for each record written, also) */
- memset(&record, 0, sizeof(record));
-
- /* Emit informational message */
- if(verbose)
- fprintf(stderr, "Choosing datasets\n");
-
- /* Allocate space for 'common' datasets, if any */
- if(ncommon > 0) {
- /* Allocate array to hold pointers to symbols for common datasets */
- if(NULL == (sym_com = (symbol_info_t **)malloc(sizeof(symbol_info_t *) * ncommon)))
- return -1;
-
- /* Open the common datasets */
- for(v = 0; v < ncommon; v++) {
- unsigned offset; /* Offset of symbol to use */
-
- /* Determine the offset of the symbol, within level 0 symbols */
- /* (level 0 symbols are the most common symbols) */
- offset = (unsigned)(random() % symbol_count[0]);
- sym_com[v] = &symbol_info[0][offset];
-
- /* Emit informational message */
- if(verbose)
- fprintf(stderr, "Common symbol #%u = '%s'\n", v, symbol_info[0][offset].name);
- } /* end for */
- } /* end if */
-
- /* Allocate space for 'random' datasets, if any */
- if(nrandom > 0) {
- /* Allocate array to hold pointers to symbols for random datasets */
- if(NULL == (sym_rand = (symbol_info_t **)malloc(sizeof(symbol_info_t *) * nrandom)))
- return -1;
-
- /* Determine the random datasets */
- for(v = 0; v < nrandom; v++) {
- symbol_info_t *sym; /* Symbol to use */
-
- /* Determine the symbol, within all symbols */
- if(NULL == (sym = choose_dataset()))
- return -1;
- sym_rand[v] = sym;
-
- /* Emit informational message */
- if(verbose)
- fprintf(stderr, "Random symbol #%u = '%s'\n", v, sym->name);
- } /* end for */
- } /* end if */
-
- /* Create a dataspace for the record to read */
- if((mem_sid = H5Screate(H5S_SCALAR)) < 0)
- return -1;
-
- /* Emit informational message */
- if(verbose)
- printf("Reading records\n");
-
- /* Get the starting time */
- start_time = time(NULL);
- curr_time = start_time;
-
- /* Loop over reading records until [at least] the correct # of seconds have passed */
- while(curr_time < (time_t)(start_time + (time_t)nseconds)) {
- hid_t fid; /* File ID */
-
- /* Emit informational message */
- if(verbose)
- fprintf(stderr, "Opening file: %s\n", filename);
-
- /* Open the file */
- if((fid = H5Fopen(filename, H5F_ACC_RDONLY | H5F_ACC_SWMR_READ, H5P_DEFAULT)) < 0)
- return -1;
-
- /* Check 'common' datasets, if any */
- if(ncommon > 0) {
- /* Emit informational message */
- if(verbose)
- fprintf(stderr, "Checking common symbols\n");
-
- /* Iterate over common datasets */
- for(v = 0; v < ncommon; v++) {
- /* Check common dataset */
- if(check_dataset(fid, verbose, sym_com[v]->name, &record, mem_sid) < 0)
- return -1;
- } /* end for */
- } /* end if */
-
- /* Check 'random' datasets, if any */
- if(nrandom > 0) {
- /* Emit informational message */
- if(verbose)
- fprintf(stderr, "Checking random symbols\n");
-
- /* Iterate over random datasets */
- for(v = 0; v < nrandom; v++) {
- /* Check random dataset */
- if(check_dataset(fid, verbose, sym_rand[v]->name, &record, mem_sid) < 0)
- return -1;
- } /* end for */
- } /* end if */
-
- /* Emit informational message */
- if(verbose)
- fprintf(stderr, "Closing file\n");
-
- /* Close the file */
- if(H5Fclose(fid) < 0)
- return -1;
-
- /* Sleep for the appropriate # of seconds */
- sleep(poll_time);
-
- /* Retrieve the current time */
- curr_time = time(NULL);
- } /* end while */
-
- /* Close the memory dataspace */
- if(H5Sclose(mem_sid) < 0)
- return -1;
-
- /* Emit informational message */
- if(verbose)
- fprintf(stderr, "Closing datasets\n");
-
- /* Close 'random' datasets, if any */
- if(nrandom > 0) {
- /* Release array holding dataset ID's for random datasets */
- free(sym_rand);
- } /* end if */
-
- /* Close 'common' datasets, if any */
- if(ncommon > 0) {
- /* Release array holding dataset ID's for common datasets */
- free(sym_com);
- } /* end if */
-
- return 0;
-} /* end read_records() */
-
-static void
-usage(void)
-{
- printf("Usage error!\n");
- printf("Usage: swmr_reader [-q] [-s <# of seconds to sleep between polling>] [-h <# of common symbols to poll>] [-l <# of random symbols to poll>] [-r <random # seed>] <# of seconds to test>\n");
- printf("Defaults to verbose (no '-q' given), 1 second between polling ('-s 1'), 5 common symbols to poll ('-h 5') and 10 random symbols to poll ('-l 10')\n");
- exit(1);
-}
-
-int main(int argc, const char *argv[])
-{
- long nseconds = 0; /* # of seconds to test */
- int poll_time = 1; /* # of seconds between polling */
- int ncommon = 5; /* # of common symbols to poll */
- int nrandom = 10; /* # of random symbols to poll */
- unsigned verbose = 1; /* Whether to emit some informational messages */
- 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 < 2)
- usage();
- if(argc > 1) {
- u = 1;
- while(u < (unsigned)argc) {
- if(argv[u][0] == '-') {
- switch(argv[u][1]) {
- /* # of common symbols to poll */
- case 'h':
- ncommon = atoi(argv[u + 1]);
- if(ncommon < 0)
- usage();
- u += 2;
- break;
-
- /* # of random symbols to poll */
- case 'l':
- nrandom = atoi(argv[u + 1]);
- if(nrandom < 0)
- usage();
- u += 2;
- break;
-
- /* Be quiet */
- case 'q':
- verbose = 0;
- u++;
- 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;
-
- /* # of seconds between polling */
- case 's':
- poll_time = atoi(argv[u + 1]);
- if(poll_time < 0)
- usage();
- u += 2;
- break;
-
- default:
- usage();
- break;
- } /* end switch */
- } /* end if */
- else {
- /* Get the number of records to append */
- nseconds = atol(argv[u]);
- if(nseconds <= 0)
- usage();
-
- u++;
- } /* end else */
- } /* end while */
- } /* end if */
- if(nseconds <= 0)
- usage();
- if(poll_time >= nseconds)
- usage();
-
- /* Emit informational message */
- if(verbose) {
- fprintf(stderr, "Parameters:\n");
- fprintf(stderr, "\t# of seconds between polling = %d\n", poll_time);
- fprintf(stderr, "\t# of common symbols to poll = %d\n", ncommon);
- fprintf(stderr, "\t# of random symbols to poll = %d\n", nrandom);
- fprintf(stderr, "\t# of seconds to test = %ld\n", nseconds);
- } /* 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 reader random seed: %u\n", random_seed);
-
- /* Emit informational message */
- if(verbose)
- fprintf(stderr, "Generating symbol names\n");
-
- /* Generate dataset names */
- if(generate_symbols() < 0) {
- fprintf(stderr, "Error generating symbol names!\n");
- exit(1);
- } /* end if */
-
- /* Create datatype for creating datasets */
- if((symbol_tid = create_symbol_datatype()) < 0)
- return -1;
-
- /* Reading records from datasets */
- if(read_records(FILENAME, verbose, (unsigned long)nseconds, (unsigned)poll_time, (unsigned)ncommon, (unsigned)nrandom) < 0) {
- fprintf(stderr, "Error reading records from datasets!\n");
- exit(1);
- } /* end if */
-
- /* Emit informational message */
- if(verbose)
- fprintf(stderr, "Releasing symbols\n");
-
- /* Clean up the symbols */
- if(shutdown_symbols() < 0) {
- fprintf(stderr, "Error releasing symbols!\n");
- exit(1);
- } /* end if */
-
- /* Emit informational message */
- if(verbose)
- fprintf(stderr, "Closing objects\n");
-
- /* Close objects created */
- if(H5Tclose(symbol_tid) < 0) {
- fprintf(stderr, "Error closing symbol datatype!\n");
- exit(1);
- } /* end if */
-
- return 0;
-}
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * 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_reader.c + * + * Purpose: Reads data from a randomly selected subset of the datasets + * in the SWMR test file. + * + * This program is intended to run concurrently with the + * swmr_writer program. + * + *------------------------------------------------------------------------- + */ + +/***********/ +/* Headers */ +/***********/ + +#include <assert.h> +#include <unistd.h> +#include <sys/time.h> + +#include "swmr_common.h" + +/********************/ +/* Local Prototypes */ +/********************/ + +static int check_dataset(hid_t fid, unsigned verbose, const char *sym_name, + symbol_t *record, hid_t rec_sid); +static int read_records(const char *filename, unsigned verbose, unsigned long nseconds, + unsigned poll_time, unsigned ncommon, unsigned nrandom); + +/*******************/ +/* Local Variables */ +/*******************/ + +static hid_t symbol_tid = -1; /* The type ID for the SWMR datasets */ + + +/*------------------------------------------------------------------------- + * Function: check_dataset + * + * Purpose: For a given dataset, checks to make sure that the stated + * and actual sizes are the same. If they are not, then + * we have an inconsistent dataset due to a SWMR error. + * + * Parameters: hid_t fid + * The SWMR test file's ID. + * + * unsigned verbose + * Whether verbose console output is desired. + * + * const char *sym_name + * The name of the dataset from which to read. + * + * symbol_t *record + * Memory for the record. Must be pre-allocated. + * + * hid_t rec_sid + * The memory dataspace for access. It's always the same so + * there is no need to re-create it every time this function + * is called. + * + * Return: Success: 0 + * Failure: -1 + * + *------------------------------------------------------------------------- + */ +static int +check_dataset(hid_t fid, unsigned verbose, const char *sym_name, symbol_t *record, + hid_t rec_sid) +{ + hid_t dsid; /* Dataset ID */ + hid_t file_sid; /* Dataset's space ID */ + hssize_t snpoints; /* Number of elements in dataset */ + hsize_t start[2] = {0, 0}, count[2] = {1, 1}; /* Hyperslab selection values */ + + assert(fid >= 0); + assert(sym_name); + assert(record); + assert(rec_sid >= 0); + + /* Open dataset for symbol */ + if((dsid = H5Dopen2(fid, sym_name, H5P_DEFAULT)) < 0) + return -1; + + /* Get the dataset's dataspace */ + if((file_sid = H5Dget_space(dsid)) < 0) + return -1; + + /* Get the number of elements (= records, for 1-D datasets) */ + if((snpoints = H5Sget_simple_extent_npoints(file_sid)) < 0) + return -1; + + /* Emit informational message */ + if(verbose) + fprintf(stderr, "Symbol = '%s', # of records = %lld\n", sym_name, (long long)snpoints); + + /* Check if there are records for symbol */ + if(snpoints > 0) { + /* Choose the last record in the dataset */ + start[1] = (hsize_t)(snpoints - 1); + if(H5Sselect_hyperslab(file_sid, H5S_SELECT_SET, start, NULL, count, NULL) < 0) + return -1; + + /* Read record from dataset */ + record->rec_id = (uint64_t)ULLONG_MAX; + if(H5Dread(dsid, symbol_tid, rec_sid, file_sid, H5P_DEFAULT, record) < 0) + return -1; + + /* Verify record value */ + if(record->rec_id != start[1]) { + fprintf(stderr, "*** ERROR ***\n"); + fprintf(stderr, "Incorrect record value!\n"); + fprintf(stderr, "Symbol = '%s', # of records = %lld, record->rec_id = %llu\n", sym_name, (long long)snpoints, (unsigned long long)record->rec_id); + return -1; + } /* end if */ + } /* end if */ + + /* Close the dataset's dataspace */ + if(H5Sclose(file_sid) < 0) + return -1; + + /* Close dataset for symbol */ + if(H5Dclose(dsid) < 0) + return -1; + + return 0; +} /* end check_dataset() */ + + +/*------------------------------------------------------------------------- + * Function: read_records + * + * Purpose: For a given dataset, checks to make sure that the stated + * and actual sizes are the same. If they are not, then + * we have an inconsistent dataset due to a SWMR error. + * + * The "common" datasets are a random selection from among + * the level 0 datasets. The "random" datasets are a random + * selection from among all the file's datasets. This scheme + * ensures that the level 0 datasets are interrogated vigorously. + * + * Parameters: const char *filename + * The SWMR test file's name. + * + * unsigned verbose + * Whether verbose console output is desired. + * + * unsigned long nseconds + * The amount of time to read records (ns). + * + * unsigned poll_time + * The amount of time to sleep (s). + * + * unsigned ncommon + * The number of common/non-random datasets that will be opened. + * + * unsigned nrandom + * The number of random datasets that will be opened. + * + * Return: Success: 0 + * Failure: -1 + * + *------------------------------------------------------------------------- + */ +static int +read_records(const char *filename, unsigned verbose, unsigned long nseconds, + unsigned poll_time, unsigned ncommon, unsigned nrandom) +{ + time_t start_time; /* Starting time */ + time_t curr_time; /* Current time */ + symbol_info_t **sym_com = NULL; /* Pointers to array of common dataset IDs */ + symbol_info_t **sym_rand = NULL; /* Pointers to array of random dataset IDs */ + hid_t mem_sid; /* Memory dataspace ID */ + hid_t fid; /* SWMR test file ID */ + symbol_t record; /* The record to read from the dataset */ + unsigned v; /* Local index variable */ + + assert(filename); + assert(nseconds != 0); + assert(poll_time != 0); + + /* Reset the record */ + /* (record's 'info' field might need to change for each record read, also) */ + memset(&record, 0, sizeof(record)); + + /* Emit informational message */ + if(verbose) + fprintf(stderr, "Choosing datasets\n"); + + /* Allocate space for 'common' datasets, if any */ + if(ncommon > 0) { + /* Allocate array to hold pointers to symbols for common datasets */ + if(NULL == (sym_com = (symbol_info_t **)malloc(sizeof(symbol_info_t *) * ncommon))) + return -1; + + /* Open the common datasets */ + for(v = 0; v < ncommon; v++) { + unsigned offset; /* Offset of symbol to use */ + + /* Determine the offset of the symbol, within level 0 symbols */ + /* (level 0 symbols are the most common symbols) */ + offset = (unsigned)(random() % symbol_count[0]); + sym_com[v] = &symbol_info[0][offset]; + + /* Emit informational message */ + if(verbose) + fprintf(stderr, "Common symbol #%u = '%s'\n", v, symbol_info[0][offset].name); + } /* end for */ + } /* end if */ + + /* Allocate space for 'random' datasets, if any */ + if(nrandom > 0) { + /* Allocate array to hold pointers to symbols for random datasets */ + if(NULL == (sym_rand = (symbol_info_t **)malloc(sizeof(symbol_info_t *) * nrandom))) + return -1; + + /* Determine the random datasets */ + for(v = 0; v < nrandom; v++) { + symbol_info_t *sym; /* Symbol to use */ + + /* Determine the symbol, within all symbols */ + if(NULL == (sym = choose_dataset())) + return -1; + sym_rand[v] = sym; + + /* Emit informational message */ + if(verbose) + fprintf(stderr, "Random symbol #%u = '%s'\n", v, sym->name); + } /* end for */ + } /* end if */ + + /* Create a dataspace for the record to read */ + if((mem_sid = H5Screate(H5S_SCALAR)) < 0) + return -1; + + /* Emit informational message */ + if(verbose) + printf("Reading records\n"); + + /* Get the starting time */ + start_time = time(NULL); + curr_time = start_time; + + /* Emit informational message */ + if(verbose) + fprintf(stderr, "Opening file: %s\n", filename); + + /* Open the file */ + if((fid = H5Fopen(filename, H5F_ACC_RDONLY | H5F_ACC_SWMR_READ, H5P_DEFAULT)) < 0) + return -1; + + /* Loop over reading records until [at least] the correct # of seconds have passed */ + while(curr_time < (time_t)(start_time + (time_t)nseconds)) { + + /* Check 'common' datasets, if any */ + if(ncommon > 0) { + /* Emit informational message */ + if(verbose) + fprintf(stderr, "Checking common symbols\n"); + + /* Iterate over common datasets */ + for(v = 0; v < ncommon; v++) { + /* Check common dataset */ + if(check_dataset(fid, verbose, sym_com[v]->name, &record, mem_sid) < 0) + return -1; + memset(&record, 0, sizeof(record)); + } /* end for */ + } /* end if */ + + /* Check 'random' datasets, if any */ + if(nrandom > 0) { + /* Emit informational message */ + if(verbose) + fprintf(stderr, "Checking random symbols\n"); + + /* Iterate over random datasets */ + for(v = 0; v < nrandom; v++) { + /* Check random dataset */ + if(check_dataset(fid, verbose, sym_rand[v]->name, &record, mem_sid) < 0) + return -1; + memset(&record, 0, sizeof(record)); + } /* end for */ + } /* end if */ + + /* Sleep for the appropriate # of seconds */ + sleep(poll_time); + + /* Retrieve the current time */ + curr_time = time(NULL); + } /* end while */ + + /* Emit informational message */ + if(verbose) + fprintf(stderr, "Closing file\n"); + + /* Close the file */ + if(H5Fclose(fid) < 0) + return -1; + + /* Close the memory dataspace */ + if(H5Sclose(mem_sid) < 0) + return -1; + + /* Emit informational message */ + if(verbose) + fprintf(stderr, "Closing datasets\n"); + + /* Close 'random' datasets, if any */ + if(nrandom > 0) { + /* Release array holding dataset ID's for random datasets */ + free(sym_rand); + } /* end if */ + + /* Close 'common' datasets, if any */ + if(ncommon > 0) { + /* Release array holding dataset ID's for common datasets */ + free(sym_com); + } /* end if */ + + return 0; +} /* end read_records() */ + +static void +usage(void) +{ + printf("\n"); + printf("Usage error!\n"); + printf("\n"); + printf("Usage: swmr_reader [-q] [-s <# of seconds to sleep between polling>]\n"); + printf(" [-h <# of common symbols to poll>] [-l <# of random symbols to poll>]\n"); + printf(" [-r <random seed>] <# of seconds to test>\n"); + printf("\n"); + printf("<# of seconds to test> must be specified.\n"); + printf("\n"); + printf("Defaults to verbose (no '-q' given), 1 second between polling ('-s 1'),\n"); + printf("5 common symbols to poll ('-h 5'), 10 random symbols to poll ('-l 10'),\n"); + printf("and will generate a random seed (no -r given).\n"); + printf("\n"); + exit(1); +} + +int main(int argc, const char *argv[]) +{ + long nseconds = 0; /* # of seconds to test */ + int poll_time = 1; /* # of seconds between polling */ + int ncommon = 5; /* # of common symbols to poll */ + int nrandom = 10; /* # of random symbols to poll */ + unsigned verbose = 1; /* Whether to emit some informational messages */ + 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 < 2) + usage(); + if(argc > 1) { + u = 1; + while(u < (unsigned)argc) { + if(argv[u][0] == '-') { + switch(argv[u][1]) { + /* # of common symbols to poll */ + case 'h': + ncommon = atoi(argv[u + 1]); + if(ncommon < 0) + usage(); + u += 2; + break; + + /* # of random symbols to poll */ + case 'l': + nrandom = atoi(argv[u + 1]); + if(nrandom < 0) + usage(); + u += 2; + break; + + /* Be quiet */ + case 'q': + verbose = 0; + u++; + 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; + + /* # of seconds between polling */ + case 's': + poll_time = atoi(argv[u + 1]); + if(poll_time < 0) + usage(); + u += 2; + break; + + default: + usage(); + break; + } /* end switch */ + } /* end if */ + else { + /* Get the number of records to append */ + nseconds = atol(argv[u]); + if(nseconds <= 0) + usage(); + + u++; + } /* end else */ + } /* end while */ + } /* end if */ + if(nseconds <= 0) + usage(); + if(poll_time >= nseconds) + usage(); + + /* Emit informational message */ + if(verbose) { + fprintf(stderr, "Parameters:\n"); + fprintf(stderr, "\t# of seconds between polling = %d\n", poll_time); + fprintf(stderr, "\t# of common symbols to poll = %d\n", ncommon); + fprintf(stderr, "\t# of random symbols to poll = %d\n", nrandom); + fprintf(stderr, "\t# of seconds to test = %ld\n", nseconds); + } /* 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 reader random seed: %u\n", random_seed); + + /* Emit informational message */ + if(verbose) + fprintf(stderr, "Generating symbol names\n"); + + /* Generate dataset names */ + if(generate_symbols() < 0) { + fprintf(stderr, "Error generating symbol names!\n"); + exit(1); + } /* end if */ + + /* Create datatype for creating datasets */ + if((symbol_tid = create_symbol_datatype()) < 0) + return -1; + + /* Reading records from datasets */ + if(read_records(FILENAME, verbose, (unsigned long)nseconds, (unsigned)poll_time, (unsigned)ncommon, (unsigned)nrandom) < 0) { + fprintf(stderr, "Error reading records from datasets!\n"); + exit(1); + } /* end if */ + + /* Emit informational message */ + if(verbose) + fprintf(stderr, "Releasing symbols\n"); + + /* Clean up the symbols */ + if(shutdown_symbols() < 0) { + fprintf(stderr, "Error releasing symbols!\n"); + exit(1); + } /* end if */ + + /* Emit informational message */ + if(verbose) + fprintf(stderr, "Closing objects\n"); + + /* Close objects created */ + if(H5Tclose(symbol_tid) < 0) { + fprintf(stderr, "Error closing symbol datatype!\n"); + exit(1); + } /* end if */ + + return 0; +} |