diff options
Diffstat (limited to 'test/swmr_remove_writer.c')
| -rw-r--r-- | test/swmr_remove_writer.c | 149 |
1 files changed, 92 insertions, 57 deletions
diff --git a/test/swmr_remove_writer.c b/test/swmr_remove_writer.c index 1570438..0a9cdbb 100644 --- a/test/swmr_remove_writer.c +++ b/test/swmr_remove_writer.c @@ -1,3 +1,20 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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 <sys/time.h>
+
#include "swmr_common.h"
#define MAX_REMOVE_SIZE 10
@@ -7,28 +24,28 @@ open_skeleton(const char *filename, unsigned verbose) {
hid_t fid; /* File ID for new HDF5 file */
hid_t fapl; /* File access property list */
- hid_t sid; /* Dataspace ID */
+ hid_t sid; /* Dataspace ID */
hsize_t dim[2]; /* Dataspace dimensions */
unsigned u, v; /* Local index variable */
/* Create file access property list */
if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
- return(-1);
+ return -1;
#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);
-printf("mdc_config.initial_size = %lu\n", (unsigned long)mdc_config.initial_size);
-printf("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);
-}
+ {
+ 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
@@ -37,21 +54,21 @@ printf("mdc_config.epoch_length = %lu\n", (unsigned long)mdc_config.epoch_length /* Open the file */
if((fid = H5Fopen(filename, H5F_ACC_RDWR | H5F_ACC_SWMR_WRITE, fapl)) < 0)
- return(-1);
+ return -1;
/* Close file access property list */
if(H5Pclose(fapl) < 0)
- return(-1);
+ return -1;
/* Emit informational message */
if(verbose)
- printf("Opening datasets\n");
+ fprintf(stderr, "Opening datasets\n");
/* Open the datasets */
for(u = 0; u < NLEVELS; u++)
for(v = 0; v < symbol_count[u]; v++) {
if((symbol_info[u][v].dsid = H5Dopen2(fid, symbol_info[u][v].name, H5P_DEFAULT)) < 0)
- return(-1);
+ return -1;
if((sid = H5Dget_space(symbol_info[u][v].dsid)) < 0)
return -1;
if(2 != H5Sget_simple_extent_ndims(sid))
@@ -61,7 +78,7 @@ printf("mdc_config.epoch_length = %lu\n", (unsigned long)mdc_config.epoch_length symbol_info[u][v].nrecords = dim[1];
} /* end for */
- return(fid);
+ return fid;
}
static int
@@ -75,20 +92,20 @@ remove_records(hid_t fid, unsigned verbose, unsigned long nshrinks, unsigned lon shrink_to_flush = flush_count;
for(u = 0; u < nshrinks; u++) {
symbol_info_t *symbol; /* Symbol to remove record from */
- hsize_t remove_size; /* Size to reduce dataset dimension by */
+ hsize_t remove_size; /* Size to reduce dataset dimension by */
/* Get a random dataset, according to the symbol distribution */
symbol = choose_dataset();
- /* Shrink the dataset's dataspace */
- remove_size = (hsize_t)random() % MAX_REMOVE_SIZE + 1;
- if(remove_size > symbol->nrecords)
- symbol->nrecords = 0;
- else
- symbol->nrecords -= remove_size;
- dim[1] = symbol->nrecords;
- if(H5Dset_extent(symbol->dsid, dim) < 0)
- return(-1);
+ /* Shrink the dataset's dataspace */
+ remove_size = (hsize_t)random() % MAX_REMOVE_SIZE + 1;
+ if(remove_size > symbol->nrecords)
+ symbol->nrecords = 0;
+ else
+ symbol->nrecords -= remove_size;
+ dim[1] = symbol->nrecords;
+ if(H5Dset_extent(symbol->dsid, dim) < 0)
+ return -1;
/* Check for flushing file */
if(flush_count > 0) {
@@ -99,7 +116,7 @@ remove_records(hid_t fid, unsigned verbose, unsigned long nshrinks, unsigned lon if(0 == shrink_to_flush) {
/* Flush contents of file */
if(H5Fflush(fid, H5F_SCOPE_GLOBAL) < 0)
- return(-1);
+ return -1;
/* Reset flush counter */
shrink_to_flush = flush_count;
@@ -109,22 +126,22 @@ remove_records(hid_t fid, unsigned verbose, unsigned long nshrinks, unsigned lon /* Emit informational message */
if(verbose)
- printf("Closing datasets\n");
+ fprintf(stderr, "Closing datasets\n");
/* Close the datasets */
for(u = 0; u < NLEVELS; u++)
for(v = 0; v < symbol_count[u]; v++)
if(H5Dclose(symbol_info[u][v].dsid) < 0)
- return(-1);
+ return -1;
- return(0);
+ return 0;
}
static void
usage(void)
{
printf("Usage error!\n");
- printf("Usage: swmr_remove_writer [-q] [-f <# of shrinks between flushing file contents>] <# of shrinks>\n");
+ printf("Usage: swmr_remove_writer [-q] [-f <# of shrinks between flushing file contents>] [-r <random # seed>] <# of shrinks>\n");
printf("<# of shrinks between flushing file contents> should be 0 (for no flushing) or between 1 and (<# of shrinks> - 1)\n");
printf("Defaults to verbose (no '-q' given) and flushing every 1000 shrinks('-f 1000')\n");
exit(1);
@@ -132,12 +149,14 @@ usage(void) int main(int argc, const char *argv[])
{
- hid_t fid; /* File ID for file opened */
- time_t curr_time; /* Current time, for seeding random number generator */
- long nshrinks = 0; /* # of times to shrink the dataset */
- long flush_count = 1000; /* # of records to write between flushing file */
+ hid_t fid; /* File ID for file opened */
+ long nshrinks = 0; /* # of times to shrink the dataset */
+ long flush_count = 1000; /* # of records to write between flushing file */
unsigned verbose = 1; /* Whether to emit some informational messages */
- unsigned u; /* Local index variable */
+ 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 variable */
+ int temp;
/* Parse command line options */
if(argc < 2)
@@ -160,6 +179,17 @@ int main(int argc, const char *argv[]) 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;
default:
usage();
@@ -183,63 +213,68 @@ int main(int argc, const char *argv[]) /* Emit informational message */
if(verbose) {
- printf("Parameters:\n");
- printf("\t# of shrinks between flushes = %ld\n", flush_count);
- printf("\t# of shrinks = %ld\n", nshrinks);
+ fprintf(stderr, "Parameters:\n");
+ fprintf(stderr, "\t# of shrinks between flushes = %ld\n", flush_count);
+ fprintf(stderr, "\t# of shrinks = %ld\n", nshrinks);
} /* end if */
- /* Create randomized set of numbers */
- curr_time = time(NULL);
- srandom((unsigned)curr_time);
+ /* 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 writer random seed: %u\n", random_seed);
/* Emit informational message */
if(verbose)
- printf("Generating symbol names\n");
+ fprintf(stderr, "Generating symbol names\n");
/* Generate dataset names */
if(generate_symbols() < 0)
- return(-1);
+ return -1;
/* Emit informational message */
if(verbose)
- printf("Opening skeleton file: %s\n", FILENAME);
+ fprintf(stderr, "Opening skeleton file: %s\n", FILENAME);
/* Open file skeleton */
if((fid = open_skeleton(FILENAME, verbose)) < 0) {
- printf("Error opening skeleton file!\n");
+ fprintf(stderr, "Error opening skeleton file!\n");
exit(1);
} /* end if */
/* Emit informational message */
if(verbose)
- printf("Removing records\n");
+ fprintf(stderr, "Removing records\n");
/* Remove records from datasets */
if(remove_records(fid, verbose, (unsigned long)nshrinks, (unsigned long)flush_count) < 0) {
- printf("Error removing records from datasets!\n");
+ fprintf(stderr, "Error removing records from datasets!\n");
exit(1);
} /* end if */
/* Emit informational message */
if(verbose)
- printf("Releasing symbols\n");
+ fprintf(stderr, "Releasing symbols\n");
/* Clean up the symbols */
if(shutdown_symbols() < 0) {
- printf("Error releasing symbols!\n");
+ fprintf(stderr, "Error releasing symbols!\n");
exit(1);
} /* end if */
/* Emit informational message */
if(verbose)
- printf("Closing objects\n");
+ fprintf(stderr, "Closing objects\n");
/* Close objects opened */
if(H5Fclose(fid) < 0) {
- printf("Error closing file!\n");
+ fprintf(stderr, "Error closing file!\n");
exit(1);
} /* end if */
- return(0);
+ return 0;
}
-
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