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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 HDF. The full HDF 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://support.hdfgroup.org/ftp/HDF/releases/. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
test opening files and access elements until limits are reached
*/
#include "tproto.h"
#include "hfile_priv.h"
/* This value can cause platform-specific problems as the number of files
* that can be open at one time via fopen() is often capped by the OS.
*
* The current value doesn't seem to cause problems on any platform.
*/
#define BIG 127
#define TESTFILE_NAME "thf"
#define TESTREF_NAME "tref.hdf"
#define MAX_REF_TESTED MAX_REF
static int32 files[BIG];
static int32 accs[BIG];
static void test_file_limits(void);
static void test_ref_limits(void);
static void
test_file_limits(void)
{
int i;
int32 ret;
#ifdef H4_HAVE_WIN32_API
/* Windows can only have 512 stdio files open by default, so we need
* to bump this to handle large values for BIG files open at once.
*
* Technically no longer necessary since BIG was adjusted to < 512, but
* worth keeping around in case we need to set this in the future.
*/
ret = _setmaxstdio(1024);
CHECK_VOID(ret, FAIL, "_setmaxstdio");
#endif
MESSAGE(5, puts("Opening many files of same name"););
for (i = 0; i < BIG; i++) {
files[i] = Hopen("thf.hdf", DFACC_RDWR, 0);
CHECK_VOID(files[i], FAIL, "Hopen");
if (files[i] < 0) {
break;
}
}
MESSAGE(5, printf("Opening stopped at %d/%d files\n", i, BIG););
MESSAGE(5, puts("Closing all files"););
for (i--; i >= 0; i--) {
ret = Hclose(files[i]);
CHECK_VOID(ret, FAIL, "Hclose");
if (ret < 0)
printf("Error closing file %d\n", i);
}
MESSAGE(5, puts("Closed files"););
MESSAGE(5, puts("Opening many files of different names"););
for (i = 0; i < BIG; i++) {
char fname[100];
sprintf(fname, "%s%1d.hdf", TESTFILE_NAME, i);
files[i] = Hopen(fname, DFACC_ALL, 0);
CHECK_VOID(files[i], FAIL, "Hopen");
if (files[i] < 0) {
break;
}
}
MESSAGE(5, printf("Opening stopped at %d/%d files\n", i, BIG););
MESSAGE(5, puts("Closing all files except first open"););
for (i--; i > 0; i--) {
ret = Hclose(files[i]);
CHECK_VOID(ret, FAIL, "Hclose");
if (ret < 0)
printf("Error closing file %d\n", i);
}
MESSAGE(5, puts("Closed files"););
MESSAGE(5, puts("Opening write access elements"););
for (i = 0; i < BIG; i++) {
accs[i] = Hstartwrite(files[0], (uint16)100, (uint16)(i + 1), 100L);
CHECK_VOID(accs[i], FAIL, "Hstartwrite");
if (accs[i] < 0)
break;
}
MESSAGE(5, printf("Opening stopped at %d element\n", i););
MESSAGE(5, puts("Closing access elements"););
for (i--; i >= 0; i--) {
ret = Hendaccess(accs[i]);
CHECK_VOID(ret, FAIL, "Hendaccess");
if (ret < 0)
printf("Error ending access %d\n", i);
}
MESSAGE(5, puts("Ended access"););
ret = Hclose(files[0]);
CHECK_VOID(ret, FAIL, "Hclose");
} /* end test_file_limits() */
#define TAG1 ((uint16)1000)
#define TAG2 ((uint16)1001)
static void
test_ref_limits(void)
{
int32 i; /* local counting variable */
int32 fid; /* file ID */
int32 iloop;
MESSAGE(6, printf("Testing reference # limits\n"););
MESSAGE(7, printf("Writing out data\n"););
/* Write out MAX_REF number of data items for each tag */
fid = Hopen(TESTREF_NAME, DFACC_CREATE, 512);
CHECK_VOID(fid, FAIL, "Hopen");
if (fid != FAIL) {
iloop = MAX_REF_TESTED;
for (i = 1; i <= (iloop / 2) + 5; i++) {
int32 aid;
uint16 ref;
int32 data;
int32 ret;
/* Write out data to tag1 */
ref = Htagnewref(fid, TAG1);
CHECK_VOID(ref, 0, "Htagnewref");
aid = Hstartwrite(fid, TAG1, ref, sizeof(int32));
CHECK_VOID(aid, FAIL, "Hstartwrite");
data = (int32)ref;
ret = Hwrite(aid, sizeof(int32), &data);
CHECK_VOID(ret, FAIL, "Hwrite");
ret = Hendaccess(aid);
CHECK_VOID(ret, FAIL, "Hendaccess");
/* lets be a little smatter here */
if (ret == FAIL)
break;
/* Write out data to tag2 */
ref = Htagnewref(fid, TAG2);
CHECK_VOID(ref, 0, "Htagnewref");
aid = Hstartwrite(fid, TAG2, ref, sizeof(int32));
CHECK_VOID(aid, FAIL, "Hstartwrite");
data = ref << 16;
ret = Hwrite(aid, sizeof(int32), &data);
CHECK_VOID(ret, FAIL, "Hwrite");
ret = Hendaccess(aid);
CHECK_VOID(ret, FAIL, "Hendaccess");
/* lets be a little smatter here */
if (ret == FAIL)
break;
} /* end for */
Hclose(fid);
MESSAGE(7, printf("Verifying data\n"););
/* Check the data written earlier */
fid = Hopen(TESTREF_NAME, DFACC_READ, 0);
CHECK_VOID(fid, FAIL, "Hopen");
if (fid != FAIL) {
uint16 ref;
int32 aid1, aid2;
int32 data;
int32 ret;
/* Read in data from tag1 */
aid1 = Hstartread(fid, TAG1, DFREF_WILDCARD);
CHECK_VOID(aid1, FAIL, "Hstartread");
ret = Hread(aid1, sizeof(int32), &data);
CHECK_VOID(ret, FAIL, "Hread");
ret = Hinquire(aid1, NULL, NULL, &ref, NULL, NULL, NULL, NULL, NULL);
CHECK_VOID(ret, FAIL, "Hinquire");
VERIFY_VOID((uint16)data, ref, "Hread");
/* Read in data from tag2 */
aid2 = Hstartread(fid, TAG2, DFREF_WILDCARD);
CHECK_VOID(aid2, FAIL, "Hstartread");
ret = Hread(aid2, sizeof(int32), &data);
CHECK_VOID(ret, FAIL, "Hread");
ret = Hinquire(aid2, NULL, NULL, &ref, NULL, NULL, NULL, NULL, NULL);
CHECK_VOID(ret, FAIL, "Hinquire");
VERIFY_VOID((uint32)data, (((uint32)ref) << 16), "Hread");
while (Hnextread(aid1, TAG1, DFTAG_WILDCARD, DF_CURRENT) != FAIL) {
ret = Hread(aid1, sizeof(int32), &data);
CHECK_VOID(ret, FAIL, "Hread");
ret = Hinquire(aid1, NULL, NULL, &ref, NULL, NULL, NULL, NULL, NULL);
CHECK_VOID(ret, FAIL, "Hinquire");
VERIFY_VOID((uint16)data, ref, "Hread");
if (Hnextread(aid2, TAG2, DFTAG_WILDCARD, DF_CURRENT) != FAIL) {
ret = Hread(aid2, sizeof(int32), &data);
CHECK_VOID(ret, FAIL, "Hread");
ret = Hinquire(aid2, NULL, NULL, &ref, NULL, NULL, NULL, NULL, NULL);
CHECK_VOID(ret, FAIL, "Hinquire");
VERIFY_VOID((uint32)data, (((uint32)ref) << 16), "Hread");
} /* end while */
} /* end while */
ret = Hendaccess(aid1);
CHECK_VOID(ret, FAIL, "Hendaccess");
ret = Hendaccess(aid2);
CHECK_VOID(ret, FAIL, "Hendaccess");
Hclose(fid);
} /* end if */
} /* end if */
} /* end test_ref_limits() */
void
test_hfile1(void)
{
test_file_limits();
test_ref_limits();
}
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