summaryrefslogtreecommitdiffstats
path: root/test/big.c
blob: 4ae7dff92f17e13bbf1d5f3cef2fe0c0c23e028a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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.     *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*
 * Programmer:  Robb Matzke <matzke@llnl.gov>
 *              Wednesday, April  8, 1998
 */
#include "h5test.h"

const char *FILENAME[] = {
    "big",
    "stdio",
    NULL
};

#define DNAME		"big.data"

#define WRT_N		50
#define WRT_SIZE	4*1024
#define FAMILY_SIZE	1024*1024*1024

/* Define big file as 2GB */
#define BIG_FILE 0x80000000UL

#define MAX_TRIES	100

#if H5_SIZEOF_LONG_LONG >= 8
#   define GB8LL	((unsigned long_long)8*1024*1024*1024)
#else
#   define GB8LL	0	/*cannot do the test*/
#endif

/* Protocols */
static void usage(void);

/* Array used to record all addresses at which data has been written */
/* so far.  Used to prevent overlapping writes. */
static hsize_t values_used[WRT_N];

/*-------------------------------------------------------------------------
 * Function:	randll
 *
 * Purpose:	Create a random long_long value.
 * 		Ensures that a write at this value doesn't overlap any
 *		previous write.
 *
 * Return:	Success:	Random value
 *
 *		Failure:	Random value which overlaps another write
 *
 * Programmer:	Robb Matzke
 *              Tuesday, November 24, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static hsize_t
randll(hsize_t limit, int current_index)
{
    hsize_t	acc;
    int 	overlap = 1;
    int 	i;
    int 	tries = 0;

    /* Generate up to MAX_TRIES random numbers until one of them */
    /* does not overlap with any previous writes */
    while(overlap != 0 && tries < MAX_TRIES)
    {
        acc = rand ();
        acc *= rand ();
        acc = acc % limit;
        overlap = 0;

        for(i = 0; i < current_index; i++)
        {
            if((acc >= values_used[i]) && (acc < values_used[i]+WRT_SIZE))
                overlap = 1;
            if((acc+WRT_SIZE >= values_used[i]) && (acc+WRT_SIZE < values_used[i]+WRT_SIZE))
                overlap = 1;
        }
        tries++;
    }

    values_used[current_index]=acc;

    return acc;
}


/*-------------------------------------------------------------------------
 * Function:	is_sparse
 *
 * Purpose:	Determines if the file system of the current working
 *		directory supports holes.
 *
 * Return:	Success:	Non-zero if holes are supported; zero
 *				otherwise.
 *
 *		Failure:	zero
 *
 * Programmer:	Robb Matzke
 *              Wednesday, July 15, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static int
is_sparse(void)
{
    int		fd;
    h5_stat_t	sb;

    if ((fd=HDopen("x.h5", O_RDWR|O_TRUNC|O_CREAT, 0666))<0) return 0;
    if (HDlseek(fd, (off_t)(1024*1024), SEEK_SET)!=1024*1024) return 0;
    if (5!=HDwrite(fd, "hello", (size_t)5)) return 0;
    if (HDclose(fd)<0) return 0;
    if (HDstat("x.h5", &sb)<0) return 0;
    if (HDunlink("x.h5")<0) return 0;
#ifdef H5_HAVE_STAT_ST_BLOCKS
    return ((unsigned long)sb.st_blocks*512 < (unsigned long)sb.st_size);
#else
    return (0);
#endif
}


/*-------------------------------------------------------------------------
 * Function:	supports_big
 *
 * Purpose:	Determines if the file system of the current working
 *		directory supports big files.
 *
 * Return:	Success:	Non-zero if big files are supported; zero
 *				otherwise.
 *
 *		Failure:	zero
 *
 * Programmer:	Raymond Lu
 *              Wednesday, April 18, 2007
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static int
supports_big(void)
{
    int		fd;

    if ((fd=HDopen("y.h5", O_RDWR|O_TRUNC|O_CREAT, 0666))<0) return 0;

    /* Write a few bytes at 2GB */
    if (HDlseek(fd, BIG_FILE, SEEK_SET)!=BIG_FILE) return 0;
    if (5!=HDwrite(fd, "hello", (size_t)5)) return 0;

    /* Write a few bytes at 4GB */
    if (HDlseek(fd, 2*BIG_FILE, SEEK_SET) != 2*BIG_FILE) return 0;
    if (5!=HDwrite(fd, "hello", (size_t)5)) return 0;

    if (HDclose(fd)<0) return 0;

    return (1);
}


/*-------------------------------------------------------------------------
 * Function:	enough_room
 *
 * Purpose:	Tries to create a bunch of sparse files to see if quotas will
 *		get in the way.  Some systems also have problems opening
 *		enough files and we'll check that too.
 *
 * Return:	Success:	Non-zero
 *
 *		Failure:	zero
 *
 * Programmer:	Robb Matzke
 *              Thursday, August  6, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static int
enough_room(hid_t fapl)
{
    int		ret_value=0;
    int		fd[68];
    size_t	i, size = (size_t)1 << 30;
    char	filename[1024], name[1024];

    /* Initialize file descriptors */
    for (i=0; i<NELMTS(fd); i++) fd[i] = -1;

    /* Get file name template */
    assert(H5FD_FAMILY==H5Pget_driver(fapl));
    h5_fixname(FILENAME[0], fapl, filename, sizeof filename);

    /* Create files */
    for (i=0; i<NELMTS(fd); i++) {
	HDsnprintf(name, sizeof name, filename, i);
	if ((fd[i]=HDopen(name, O_RDWR|O_CREAT|O_TRUNC, 0666))<0) {
	    goto done;
	}
	if ((off_t)size != HDlseek(fd[i], (off_t)size, SEEK_SET)) {
	    goto done;
	}
	if (1!=HDwrite(fd[i], "X", (size_t)1)) {
	    goto done;
	}
    }
    ret_value = 1;

 done:
    for (i=0; i<NELMTS(fd) && fd[i]>=0; i++) {
	HDsnprintf(name, sizeof name, filename, i);
	if(HDclose(fd[i])<0)
            ret_value=0;
	HDunlink(name);
    }

    return ret_value;
}


/*-------------------------------------------------------------------------
 * Function:	writer
 *
 * Purpose:	Creates a *big* dataset.
 *
 * Return:	Success:	0
 *
 *		Failure:	>0
 *
 * Programmer:	Robb Matzke
 *              Wednesday, April  8, 1998
 *
 * Modifications:
 * 	Robb Matzke, 15 Jul 1998
 *	Addresses are written to the file DNAME instead of stdout.
 *
 *-------------------------------------------------------------------------
 */
static int
writer (char* filename, hid_t fapl, int wrt_n)
{
    hsize_t	size1[4] = {8, 1024, 1024, 1024};
    hsize_t	size2[1] = {GB8LL};
    hsize_t	hs_start[1];
    hsize_t	hs_size[1];
    hid_t	file=-1, space1=-1, space2=-1, mem_space=-1, d1=-1, d2=-1;
    int		*buf = (int*)malloc (sizeof(int) * WRT_SIZE);
    int		i, j;
    FILE	*out = fopen(DNAME, "w");
    hid_t       dcpl;

    TESTING("large dataset write");

    /*
     * We might be on a machine that has 32-bit files, so create an HDF5 file
     * which is a family of files.  Each member of the family will be 1GB
     */
    if ((file=H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl))<0) {
	goto error;
    }

    /* Create simple data spaces according to the size specified above. */
    if ((space1 = H5Screate_simple (4, size1, size1))<0 ||
	(space2 = H5Screate_simple (1, size2, size2))<0) {
	goto error;
    }

    /* Create the datasets */
/*
 *  The fix below is provided for bug#921
 *  H5Dcreate with H5P_DEFAULT creation properties
 *  will create a set of solid 1GB files; test will crash if quotas are enforced
 *  or it will take some time to write a file.
 *  We should create a dataset allocating space late and never writing fill values.
 *  EIP 4/8/03

    if ((d1=H5Dcreate (file, "d1", H5T_NATIVE_INT, space1, H5P_DEFAULT))<0 ||
	(d2=H5Dcreate (file, "d2", H5T_NATIVE_INT, space2, H5P_DEFAULT))<0) {
	goto error;
    }
*/
    dcpl = H5Pcreate(H5P_DATASET_CREATE);
    H5Pset_alloc_time(dcpl, H5D_ALLOC_TIME_LATE);
    H5Pset_fill_time(dcpl, H5D_FILL_TIME_NEVER);
    if ((d1=H5Dcreate (file, "d1", H5T_NATIVE_INT, space1, dcpl))<0 ||
	(d2=H5Dcreate (file, "d2", H5T_NATIVE_INT, space2, dcpl))<0) {
	goto error;
    }


    /* Write some things to them randomly */
    hs_size[0] = WRT_SIZE;
    if ((mem_space = H5Screate_simple (1, hs_size, hs_size))<0) goto error;
    for (i=0; i<wrt_n; i++) {
	hs_start[0] = randll (size2[0], i);
	HDfprintf (out, "#%03d 0x%016Hx\n", i, hs_start[0]);
	if (H5Sselect_hyperslab (space2, H5S_SELECT_SET, hs_start, NULL,
				 hs_size, NULL)<0) goto error;
	for (j=0; j<WRT_SIZE; j++) {
	    buf[j] = i+1;
	}
	if (H5Dwrite (d2, H5T_NATIVE_INT, mem_space, space2,
		      H5P_DEFAULT, buf)<0) goto error;
    }

    if (H5Dclose (d1)<0) goto error;
    if (H5Dclose (d2)<0) goto error;
    if (H5Sclose (mem_space)<0) goto error;
    if (H5Sclose (space1)<0) goto error;
    if (H5Sclose (space2)<0) goto error;
    if (H5Fclose (file)<0) goto error;
    free (buf);
    fclose(out);
    PASSED();
    return 0;

 error:
    H5E_BEGIN_TRY {
	H5Dclose(d1);
	H5Dclose(d2);
	H5Sclose(space1);
	H5Sclose(space2);
	H5Sclose(mem_space);
	H5Fclose(file);
    } H5E_END_TRY;
    if (buf) free(buf);
    if (out) fclose(out);
    return 1;
}


/*-------------------------------------------------------------------------
 * Function:	reader
 *
 * Purpose:	Reads some data from random locations in the dataset.
 *
 * Return:	Success:	0
 *
 * 		Failure:	>0
 *
 * Programmer:	Robb Matzke
 *              Friday, April 10, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static int
reader (char *filename, hid_t fapl)
{
    FILE	*script = NULL;
    hid_t	file=-1, mspace=-1, fspace=-1, d2=-1;
    char	ln[128], *s;
    hsize_t	hs_offset[1];
    hsize_t	hs_size[1] = {WRT_SIZE};
    int		*buf = (int*)malloc (sizeof(int) * WRT_SIZE);
    int		i, j, zero, wrong, nerrors=0;

    /* Open script file */
    script = fopen (DNAME, "r");

    /* Open HDF5 file */
    if ((file=H5Fopen(filename, H5F_ACC_RDONLY, fapl))<0) goto error;

    /* Open the dataset */
    if ((d2 = H5Dopen (file, "d2"))<0) goto error;
    if ((fspace = H5Dget_space (d2))<0) goto error;

    /* Describe `buf' */
    if ((mspace = H5Screate_simple (1, hs_size, hs_size))<0) goto error;

    /* Read each region */
    while (fgets (ln, (int)sizeof(ln), script)) {
	if ('#'!=ln[0]) break;
	i = (int)strtol (ln+1, &s, 10);
	hs_offset[0] = HDstrtoll (s, NULL, 0);
	HDfprintf (stdout, "#%03d 0x%016Hx%47s", i, hs_offset[0], "");
	fflush (stdout);

	if (H5Sselect_hyperslab (fspace, H5S_SELECT_SET, hs_offset, NULL,
				 hs_size, NULL)<0) goto error;
	if (H5Dread (d2, H5T_NATIVE_INT, mspace, fspace, H5P_DEFAULT, buf)<0) {
	    goto error;
	}

	/* Check */
	for (j=zero=wrong=0; j<WRT_SIZE; j++) {
	    if (0==buf[j]) zero++;
	    else if (buf[j]!=i+1) wrong++;
	}
	if (zero) {
	    H5_FAILED();
	    printf("    %d zero%s\n", zero, 1==zero?"":"s");
	} else if (wrong) {
	    SKIPPED();
	    puts("    Possible overlap with another region.");
	    nerrors++;
	} else {
	    PASSED();
	}
    }

    if (H5Dclose (d2)<0) goto error;
    if (H5Sclose (mspace)<0) goto error;
    if (H5Sclose (fspace)<0) goto error;
    if (H5Fclose (file)<0) goto error;
    free (buf);
    fclose (script);
    return nerrors;

 error:
    H5E_BEGIN_TRY {
	H5Dclose(d2);
	H5Sclose(mspace);
	H5Sclose(fspace);
	H5Fclose(file);
    } H5E_END_TRY;
    if (buf) free(buf);
    if (script) fclose(script);
    return 1;
}



/*-------------------------------------------------------------------------
 * Function:	usage
 *
 * Purpose:	Print command usage
 *
 * Return:	void
 *
 * Programmer:	Albert Chent
 *              Mar 28, 2002
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static void
usage(void)
{
    HDfprintf(stdout,
	"Usage: big [-h] [-c] [-fsize <fsize>}\n"
	"\t-h\tPrint the help page\n"
	"\t-c\tFile system Checking skipped.  Caution: this test generates\n"
	"\t\tmany big files and may fill up the file system.\n"
	"\t-fsize\tChange family size default to <fsize> where <fsize> is\n"
	"\t\ta positive float point number.  Default value is %Hu.\n"
	"Examples:\n"
	"\tbig -fsize 2.1e9 \t# test with file size just under 2GB\n"
	"\tbig -fsize 2.2e9 \t# test with file size just above 2GB\n"
	"\tBe sure the file system can support the file size requested\n"
	, (hsize_t)FAMILY_SIZE);
}



/*-------------------------------------------------------------------------
 * Function:	main
 *
 * Purpose:
 *
 * Return:	Success:
 *
 *		Failure:
 *
 * Programmer:	Robb Matzke
 *              Friday, April 10, 1998
 *
 * Modifications:
 *		Albert Cheng, 2002/03/28
 *		Added command option -fsize.
 *		Albert Cheng, 2002/04/19
 *		Added command option -c.
 *
 *-------------------------------------------------------------------------
 */
int
main (int ac, char **av)
{
    hid_t	fapl=-1;
    hsize_t	family_size;
    hsize_t	family_size_def;	/* default family file size */
    double	family_size_def_dbl;	/* default family file size */
    int		cflag=1;		/* check file system before test */
    char	filename[1024];

    /* parameters setup */
    family_size_def = FAMILY_SIZE;

    while (--ac > 0){
	av++;
	if (strcmp("-fsize", *av)==0){
	    /* specify a different family file size */
	    ac--; av++;
	    if (ac > 0){
		family_size_def_dbl = atof(*av);
                H5_ASSIGN_OVERFLOW(family_size_def,family_size_def_dbl,double,hsize_t);
		if (family_size_def <= 0)
		    family_size_def = (hsize_t)FAMILY_SIZE;
	    }
	    else{
		printf("***Missing fsize value***\n");
		usage();
		return 1;
	    }
	}
	else if (strcmp("-c", *av)==0){
	    /* turn off file system check before test */
	    cflag=0;
	}
	else if (strcmp("-h", *av)==0){
	    usage();
	    return 0;
	}else{
	    usage();
	    return 1;
	}
    }

    /* Reset library */
    h5_reset();
    fapl = h5_fileaccess();

    /* Test big file with the family driver */
    puts("Testing big file with the Family Driver ");
    if (H5FD_FAMILY!=H5Pget_driver(fapl)) {
	HDfprintf(stdout,
	   "Changing file drivers to the family driver, %Hu bytes each\n",
	   family_size_def);
	if (H5Pset_fapl_family(fapl, family_size_def, H5P_DEFAULT)<0) goto error;
    } else if (H5Pget_fapl_family(fapl, &family_size, NULL)<0) {
	goto error;
    } else if (family_size!=family_size_def) {
	HDfprintf(stdout, "Changing family member size from %Hu to %Hu\n",
	       family_size, family_size_def);
	if (H5Pset_fapl_family(fapl, family_size_def, H5P_DEFAULT)<0)
	    goto error;
    }

    if (cflag){
	/*
	 * We shouldn't run this test if the file system doesn't support holes
	 * because we would generate multi-gigabyte files.
	 */
	puts("Checking if file system is adequate for this test...");
	if (sizeof(long_long)<8 || 0==GB8LL) {
	    puts("Test skipped because sizeof(long_long) is too small. This");
	    puts("hardware apparently doesn't support 64-bit integer types.");
	    usage();
	    goto quit;
	}
	if (!is_sparse()) {
	    puts("Test skipped because file system does not support holes.");
	    usage();
	    goto quit;
	}
	if (!enough_room(fapl)) {
	    puts("Test skipped because of quota (file size or num open files).");
	    usage();
	    goto quit;
	}
	if (sizeof(hsize_t)<=4) {
	    puts("Test skipped because the hdf5 library was configured with the");
	    puts("--disable-hsizet flag in order to work around a compiler bug.");
	    usage();
	    goto quit;
	}
    }

    /* Do the test with the Family Driver */
    h5_fixname(FILENAME[0], fapl, filename, sizeof filename);

    if (writer(filename, fapl, WRT_N)) goto error;
    if (reader(filename, fapl)) goto error;

    puts("Test passed with the Family Driver.");

    /*
     * We shouldn't run this test if the file system doesn't support big files 
     * because we would generate multi-gigabyte files.
     */
    puts("\nChecking if file system supports big files...");
    if (!supports_big()) {
        puts("Tests for sec2 and stdio are skipped because file system does not support big files.");
        usage();
        goto quit;
    }

    /* Clean up the test file */
    if (h5_cleanup(FILENAME, fapl)) remove(DNAME);

    /* Test big file with the SEC2 driver */
    puts("Testing big file with the SEC2 Driver ");

    fapl = h5_fileaccess();
    if(H5Pset_fapl_sec2(fapl)<0)

    HDmemset(filename, 0, sizeof(filename));
    h5_fixname(FILENAME[2], fapl, filename, sizeof filename);

    if (writer(filename, fapl, WRT_N)) goto error;
    if (reader(filename, fapl)) goto error;

    puts("Test passed with the SEC2 Driver.");

#ifdef H5_HAVE_FSEEKO
    /* Clean up the test file */
    if (h5_cleanup(FILENAME, fapl)) remove(DNAME);

    /* Test big file with the STDIO driver only if fseeko is supported,
     * because the OFFSET parameter of fseek has the type LONG, not big
     * enough to support big files. */
    puts("\nTesting big file with the STDIO Driver ");

    fapl = h5_fileaccess();
    if(H5Pset_fapl_stdio(fapl)<0)

    HDmemset(filename, 0, sizeof(filename));
    h5_fixname(FILENAME[1], fapl, filename, sizeof filename);

    if (writer(filename, fapl, WRT_N)) goto error;
    if (reader(filename, fapl)) goto error;
    puts("Test passed with the STDIO Driver.");
#endif

quit:
    /* End with normal exit code */
    if (h5_cleanup(FILENAME, fapl)) remove(DNAME);
    return 0;

error:
    if (fapl>=0) H5Pclose(fapl);
    puts("*** TEST FAILED ***");
    return 1;
}