hdf5/test/external.c
Quincey Koziol 083357dad3 [svn-r14283] Description:
Open external link file with read-only access, to avoid permissions
issue in certain circumstances.

Tested on:
	FreeBSD/32 6.2 (duty) w/read-only testfile
2007-11-24 11:36:01 -05:00

997 lines
29 KiB
C
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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>
* Tuesday, March 3, 1998
*
* Purpose: Tests datasets stored in external raw files.
*/
#include "h5test.h"
/* File for external link test. Created with gen_udlinks.c */
#define LINKED_FILE "be_extlink2.h5"
const char *FILENAME[] = {
"extern_1",
"extern_2",
"extern_3",
"extern_4",
NULL
};
/*-------------------------------------------------------------------------
* Function: same_contents
*
* Purpose: Determines whether two files are exactly the same.
*
* Return: Success: nonzero if same, zero if different.
*
* Failure: zero
*
* Programmer: Robb Matzke
* Wednesday, March 4, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
same_contents (const char *name1, const char *name2)
{
int fd1, fd2;
ssize_t n1, n2;
char buf1[1024], buf2[1024];
fd1 = open (name1, O_RDONLY);
fd2 = open (name2, O_RDONLY);
assert (fd1>=0 && fd2>=0);
while (1) {
n1 = read (fd1, buf1, sizeof(buf1));
n2 = read (fd2, buf2, sizeof(buf2));
assert (n1>=0 && (size_t)n1<=sizeof(buf1));
assert (n2>=0 && (size_t)n2<=sizeof(buf2));
assert (n1==n2);
if (n1<=0 && n2<=0) break;
if (memcmp (buf1, buf2, (size_t)n1)) {
close (fd1);
close (fd2);
return 0;
}
}
close (fd1);
close (fd2);
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_1a
*
* Purpose: Tests a non-extendible dataset with a single external file.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Monday, November 23, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_1a(hid_t file)
{
hid_t dcpl=-1; /*dataset creation properties */
hid_t space=-1; /*data space */
hid_t dset=-1; /*dataset */
hsize_t cur_size[1]; /*data space current size */
hsize_t max_size[1]; /*data space maximum size */
int n; /*number of external files */
char name[256]; /*external file name */
off_t file_offset; /*external file offset */
hsize_t file_size; /*sizeof external file segment */
TESTING("fixed-size data space, exact storage");
/* Create the dataset */
if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0) goto error;
cur_size[0] = max_size[0] = 100;
if(H5Pset_external(dcpl, "ext1.data", (off_t)0,
(hsize_t)(max_size[0] * sizeof(int))) < 0) goto error;
if((space = H5Screate_simple(1, cur_size, max_size)) < 0) goto error;
if((dset = H5Dcreate2(file, "dset1", H5T_NATIVE_INT, space, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
goto error;
if(H5Dclose(dset) < 0) goto error;
if(H5Sclose(space) < 0) goto error;
if(H5Pclose(dcpl) < 0) goto error;
/* Read dataset creation information */
if((dset = H5Dopen2(file, "dset1", H5P_DEFAULT)) < 0) goto error;
/* Test dataset address. Should be undefined. */
if(H5Dget_offset(dset) != HADDR_UNDEF) goto error;
if((dcpl = H5Dget_create_plist(dset)) < 0) goto error;
if((n = H5Pget_external_count(dcpl)) < 0) goto error;
if(1 != n) {
H5_FAILED();
puts(" Returned external count is wrong.");
printf(" got: %d\n ans: 1\n", n);
goto error;
}
HDstrcpy(name + sizeof(name) - 4, "...");
if(H5Pget_external(dcpl, 0, sizeof(name) - 4, name, &file_offset,
&file_size) < 0) goto error;
if(file_offset != 0) {
H5_FAILED();
puts(" Wrong file offset.");
printf(" got: %lu\n ans: 0\n", (unsigned long)file_offset);
goto error;
}
if(file_size != (max_size[0] * sizeof(int))) {
H5_FAILED();
puts(" Wrong file size.");
printf(" got: %lu\n ans: %lu\n", (unsigned long)file_size,
(unsigned long)max_size[0]*sizeof(int));
goto error;
}
if (H5Pclose (dcpl) < 0) goto error;
if (H5Dclose (dset) < 0) goto error;
PASSED();
return 0;
error:
H5E_BEGIN_TRY {
H5Pclose(dcpl);
H5Sclose(space);
H5Dclose(dset);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_1b
*
* Purpose: Test a single external file which is too small to represent
* all the data.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Monday, November 23, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_1b(hid_t file)
{
hid_t dcpl = -1; /*dataset creation properties */
hid_t space = -1; /*data space */
hid_t dset = -1; /*dataset */
hsize_t cur_size[1]; /*current data space size */
hsize_t max_size[1]; /*maximum data space size */
TESTING("external storage is too small");
if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0) goto error;
cur_size[0] = max_size[0] = 100;
if(H5Pset_external(dcpl, "ext1.data", (off_t)0,
(hsize_t)(max_size[0] * sizeof(int) - 1)) < 0) goto error;
if((space = H5Screate_simple(1, cur_size, max_size)) < 0) goto error;
H5E_BEGIN_TRY {
dset = H5Dcreate2(file, "dset2", H5T_NATIVE_INT, space, H5P_DEFAULT, dcpl, H5P_DEFAULT);
} H5E_END_TRY;
if(dset >= 0) {
H5_FAILED();
puts(" Small external file succeeded instead of failing.");
goto error;
}
if(H5Sclose(space) < 0) goto error;
if(H5Pclose(dcpl) < 0) goto error;
PASSED();
return 0;
error:
H5E_BEGIN_TRY {
H5Sclose(space);
H5Pclose(dcpl);
H5Dclose(dset);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_1c
*
* Purpose: Test a single external file which is large enough to
* represent the current data and large enough to represent the
* eventual size of the data.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Monday, November 23, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_1c(hid_t file)
{
hid_t dcpl=-1; /*dataset creation properties */
hid_t space=-1; /*data space */
hid_t dset=-1; /*dataset */
hsize_t cur_size[1]; /*current data space size */
hsize_t max_size[1]; /*maximum data space size */
TESTING("extendible dataspace, exact external size");
if((dcpl = H5Pcreate (H5P_DATASET_CREATE)) < 0) goto error;
cur_size[0] = 100;
max_size[0] = 200;
if(H5Pset_external(dcpl, "ext1.data", (off_t)0,
(hsize_t)(max_size[0] * sizeof(int))) < 0) goto error;
if((space = H5Screate_simple(1, cur_size, max_size)) < 0) goto error;
if((dset = H5Dcreate2(file, "dset3", H5T_NATIVE_INT, space, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
goto error;
if(H5Dclose(dset) < 0) goto error;
if(H5Sclose(space) < 0) goto error;
if(H5Pclose(dcpl) < 0) goto error;
PASSED();
return 0;
error:
H5E_BEGIN_TRY {
H5Dclose(dset);
H5Pclose(dcpl);
H5Sclose(space);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_1d
*
* Purpose: Test a single external file which is large enough for the
* current data size but not large enough for the eventual size.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Monday, November 23, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_1d(hid_t file)
{
hid_t dcpl=-1; /*dataset creation properties */
hid_t space=-1; /*data space */
hid_t dset=-1; /*dataset */
hsize_t cur_size[1]; /*current data space size */
hsize_t max_size[1]; /*maximum data space size */
TESTING("extendible dataspace, external storage is too small");
if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0) goto error;
cur_size[0] = 100;
max_size[0] = 200;
if(H5Pset_external(dcpl, "ext1.data", (off_t)0,
(hsize_t)(max_size[0] * sizeof(int) - 1)) < 0) goto error;
if((space = H5Screate_simple(1, cur_size, max_size)) < 0) goto error;
H5E_BEGIN_TRY {
dset = H5Dcreate2(file, "dset4", H5T_NATIVE_INT, space, H5P_DEFAULT, dcpl, H5P_DEFAULT);
} H5E_END_TRY;
if(dset >= 0) {
H5_FAILED();
puts(" Small external file succeeded instead of failing.");
goto error;
}
if(H5Sclose(space) < 0) goto error;
if(H5Pclose(dcpl) < 0) goto error;
PASSED();
return 0;
error:
H5E_BEGIN_TRY {
H5Dclose(dset);
H5Pclose(dcpl);
H5Sclose(space);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_1e
*
* Purpose: Test a single external file of unlimited size and an
* unlimited data space.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Monday, November 23, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_1e(hid_t file)
{
hid_t dcpl=-1; /*dataset creation properties */
hid_t space=-1; /*data space */
hid_t dset=-1; /*dataset */
hsize_t cur_size[1]; /*data space current size */
hsize_t max_size[1]; /*data space maximum size */
int n; /*number of external files */
char name[256]; /*external file name */
off_t file_offset; /*external file offset */
hsize_t file_size; /*sizeof external file segment */
TESTING("unlimited dataspace, unlimited external storage");
/* Create dataset */
if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0) goto error;
if(H5Pset_external(dcpl, "ext1.data", (off_t)0, H5F_UNLIMITED) < 0) goto error;
cur_size[0] = 100;
max_size[0] = H5S_UNLIMITED;
if((space = H5Screate_simple(1, cur_size, max_size)) < 0) goto error;
if((dset = H5Dcreate2(file, "dset5", H5T_NATIVE_INT, space, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
goto error;
if(H5Dclose(dset) < 0) goto error;
if(H5Sclose(space) < 0) goto error;
if(H5Pclose(dcpl) < 0) goto error;
/* Read dataset creation information */
if((dset = H5Dopen2(file, "dset5", H5P_DEFAULT)) < 0) goto error;
if((dcpl = H5Dget_create_plist(dset)) < 0) goto error;
if((n = H5Pget_external_count(dcpl)) < 0) goto error;
if(1 != n) {
H5_FAILED();
puts(" Returned external count is wrong.");
printf(" got: %d\n ans: 1\n", n);
goto error;
}
HDstrcpy(name + sizeof(name) - 4, "...");
if(H5Pget_external(dcpl, 0, sizeof(name) - 4, name, &file_offset,
&file_size) < 0) goto error;
if(file_offset != 0) {
H5_FAILED();
puts(" Wrong file offset.");
printf(" got: %lu\n ans: 0\n", (unsigned long)file_offset);
goto error;
}
if(H5F_UNLIMITED != file_size) {
H5_FAILED();
puts(" Wrong file size.");
printf(" got: %lu\n ans: INF\n", (unsigned long)file_size);
goto error;
}
if(H5Pclose(dcpl) < 0) goto error;
if(H5Dclose(dset) < 0) goto error;
PASSED();
return 0;
error:
H5E_BEGIN_TRY {
H5Dclose(dset);
H5Pclose(dcpl);
H5Sclose(space);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_1f
*
* Purpose: Test multiple external files for a dataset.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Monday, November 23, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_1f(hid_t file)
{
hid_t dcpl=-1; /*dataset creation properties */
hid_t space=-1; /*data space */
hid_t dset=-1; /*dataset */
hsize_t cur_size[1]; /*data space current size */
hsize_t max_size[1]; /*data space maximum size */
TESTING("multiple external files");
if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0) goto error;
cur_size[0] = max_size[0] = 100;
if(H5Pset_external(dcpl, "ext1.data", (off_t)0,
(hsize_t)(max_size[0]*sizeof(int)/4)) < 0) goto error;
if(H5Pset_external(dcpl, "ext2.data", (off_t)0,
(hsize_t)(max_size[0]*sizeof(int)/4)) < 0) goto error;
if(H5Pset_external(dcpl, "ext3.data", (off_t)0,
(hsize_t)(max_size[0]*sizeof(int)/4)) < 0) goto error;
if(H5Pset_external(dcpl, "ext4.data", (off_t)0,
(hsize_t)(max_size[0]*sizeof(int)/4)) < 0) goto error;
if((space = H5Screate_simple(1, cur_size, max_size)) < 0) goto error;
if((dset = H5Dcreate2(file, "dset6", H5T_NATIVE_INT, space, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
goto error;
if(H5Dclose(dset) < 0) goto error;
if(H5Sclose(space) < 0) goto error;
if(H5Pclose(dcpl) < 0) goto error;
PASSED();
return 0;
error:
H5E_BEGIN_TRY {
H5Dclose(dset);
H5Pclose(dcpl);
H5Sclose(space);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_1g
*
* Purpose: It should be impossible to define an unlimited external file
* and then follow it with another external file.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Monday, November 23, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_1g(void)
{
hid_t dcpl=-1; /*dataset creation properties */
herr_t status; /*function return status */
int n; /*number of external files */
TESTING("external file following unlimited file");
if ((dcpl=H5Pcreate (H5P_DATASET_CREATE)) < 0) goto error;
if (H5Pset_external(dcpl, "ext1.data", (off_t)0, H5F_UNLIMITED) < 0) goto error;
H5E_BEGIN_TRY {
status = H5Pset_external(dcpl, "ext2.data", (off_t)0, (hsize_t)100);
} H5E_END_TRY;
if (status>=0) {
H5_FAILED();
puts (" H5Pset_external() succeeded when it should have failed.");
goto error;
}
if ((n = H5Pget_external_count(dcpl)) < 0) goto error;
if (1!=n) {
H5_FAILED();
puts(" Wrong external file count returned.");
goto error;
}
if (H5Pclose(dcpl) < 0) goto error;
PASSED();
return 0;
error:
H5E_BEGIN_TRY {
H5Pclose(dcpl);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_1h
*
* Purpose: It should be impossible to create a set of external files
* whose total size overflows a size_t integer.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Monday, November 23, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_1h(void)
{
hid_t dcpl=-1; /*dataset creation properties */
herr_t status; /*return status */
TESTING("address overflow in external files");
if((dcpl=H5Pcreate(H5P_DATASET_CREATE)) < 0) goto error;
if (H5Pset_external(dcpl, "ext1.data", (off_t)0, H5F_UNLIMITED-1) < 0) goto error;
H5E_BEGIN_TRY {
status = H5Pset_external(dcpl, "ext2.data", (off_t)0, (hsize_t)100);
} H5E_END_TRY;
if (status>=0) {
H5_FAILED();
puts(" H5Pset_external() succeeded when it should have failed.");
goto error;
}
if (H5Pclose(dcpl) < 0) goto error;
PASSED();
return 0;
error:
H5E_BEGIN_TRY {
H5Pclose(dcpl);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_2
*
* Purpose: Tests reading from an external file set.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Wednesday, March 4, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_2 (hid_t fapl)
{
hid_t file=-1; /*file to write to */
hid_t dcpl=-1; /*dataset creation properties */
hid_t space=-1; /*data space */
hid_t dset=-1; /*dataset */
hid_t grp=-1; /*group to emit diagnostics */
int fd; /*external file descriptors */
size_t i, j; /*miscellaneous counters */
hssize_t n; /*bytes of I/O */
char filename[1024]; /*file names */
int part[25], whole[100]; /*raw data buffers */
hsize_t cur_size; /*current data space size */
hid_t hs_space; /*hyperslab data space */
hsize_t hs_start = 30; /*hyperslab starting offset */
hsize_t hs_count = 25; /*hyperslab size */
int temparray[10] = {0x0f0f0f0f,0x0f0f0f0f,0x0f0f0f0f,0x0f0f0f0f,0x0f0f0f0f,0x0f0f0f0f,0x0f0f0f0f,0x0f0f0f0f,0x0f0f0f0f,0x0f0f0f0f};
TESTING("read external dataset");
/* Write the data to external files directly */
for (i=0; i<4; i++) {
for (j=0; j<25; j++) {
part[j] = (int)(i*25+j);
}
sprintf (filename, "extern_%lua.raw", (unsigned long)i+1);
fd = HDopen (filename, O_RDWR|O_CREAT|O_TRUNC, 0666);
assert (fd>=0);
/* n = lseek (fd, (off_t)(i*10), SEEK_SET);
*/
n = write(fd,temparray,(size_t)i*10);
assert (n>=0 && (size_t)n==i*10);
n = write (fd, part, sizeof(part));
assert (n==sizeof(part));
close (fd);
}
/*
* Create the file and an initial group. This causes messages about
* debugging to be emitted before we start playing games with what the
* output looks like.
*/
h5_fixname(FILENAME[1], fapl, filename, sizeof filename);
if((file = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0) FAIL_STACK_ERROR
if((grp = H5Gcreate2(file, "emit-diagnostics", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) FAIL_STACK_ERROR
if(H5Gclose(grp) < 0) FAIL_STACK_ERROR
/* Create the dataset */
if((dcpl = H5Pcreate(H5P_DATASET_CREATE)) < 0) goto error;
if(H5Pset_external(dcpl, "extern_1a.raw", (off_t)0, (hsize_t)sizeof part) < 0 ||
H5Pset_external(dcpl, "extern_2a.raw", (off_t)10, (hsize_t)sizeof part) < 0 ||
H5Pset_external(dcpl, "extern_3a.raw", (off_t)20, (hsize_t)sizeof part) < 0 ||
H5Pset_external(dcpl, "extern_4a.raw", (off_t)30, (hsize_t)sizeof part) < 0)
goto error;
cur_size = 100;
if((space = H5Screate_simple(1, &cur_size, NULL)) < 0) goto error;
if((dset = H5Dcreate2(file, "dset1", H5T_NATIVE_INT, space, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0) goto error;
/*
* Read the entire dataset and compare with the original
*/
memset(whole, 0, sizeof(whole));
if(H5Dread(dset, H5T_NATIVE_INT, space, space, H5P_DEFAULT, whole) < 0) goto error;
for(i = 0; i < 100; i++)
if(whole[i] != (signed)i) {
H5_FAILED();
puts(" Incorrect value(s) read.");
goto error;
} /* end if */
/*
* Read the middle of the dataset
*/
if((hs_space = H5Scopy(space)) < 0) goto error;
if(H5Sselect_hyperslab(hs_space, H5S_SELECT_SET, &hs_start, NULL,
&hs_count, NULL) < 0) goto error;
HDmemset(whole, 0, sizeof(whole));
if(H5Dread(dset, H5T_NATIVE_INT, hs_space, hs_space, H5P_DEFAULT,
whole) < 0) goto error;
if(H5Sclose(hs_space) < 0) goto error;
for(i = hs_start; i<hs_start+hs_count; i++) {
if(whole[i] != (signed)i) {
H5_FAILED();
puts(" Incorrect value(s) read.");
goto error;
}
}
if (H5Dclose(dset) < 0) goto error;
if (H5Pclose(dcpl) < 0) goto error;
if (H5Sclose(space) < 0) goto error;
if (H5Fclose(file) < 0) goto error;
PASSED();
return 0;
error:
H5E_BEGIN_TRY {
H5Dclose(dset);
H5Pclose(dcpl);
H5Sclose(space);
H5Fclose(file);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_3
*
* Purpose: Tests writing to an external file set.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Robb Matzke
* Wednesday, March 4, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_3 (hid_t fapl)
{
hid_t file=-1; /*file to which to write */
hid_t dcpl=-1; /*dataset creation properties */
hid_t mem_space=-1; /*memory data space */
hid_t file_space=-1; /*file data space */
hid_t dset=-1; /*dataset */
unsigned i; /*miscellaneous counters */
int fd; /*external file descriptor */
int part[25],whole[100]; /*raw data buffers */
hsize_t cur_size=100; /*current data space size */
hsize_t max_size=200; /*maximum data space size */
hsize_t hs_start=100; /*hyperslab starting offset */
hsize_t hs_count=100; /*hyperslab size */
char filename[1024]; /*file name */
int temparray[10] = {0x0f0f0f0f,0x0f0f0f0f,0x0f0f0f0f,0x0f0f0f0f,0x0f0f0f0f,0x0f0f0f0f,0x0f0f0f0f,0x0f0f0f0f,0x0f0f0f0f,0x0f0f0f0f};
TESTING("write external dataset");
/* Create another file */
h5_fixname(FILENAME[2], fapl, filename, sizeof filename);
if ((file=H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0) {
goto error;
}
/* Create the external file list */
if((dcpl=H5Pcreate(H5P_DATASET_CREATE)) < 0) goto error;
if (H5Pset_external(dcpl, "extern_1b.raw", (off_t)0, (hsize_t)sizeof part) < 0 ||
H5Pset_external(dcpl, "extern_2b.raw", (off_t)10, (hsize_t)sizeof part) < 0 ||
H5Pset_external(dcpl, "extern_3b.raw", (off_t)20, (hsize_t)sizeof part) < 0 ||
H5Pset_external(dcpl, "extern_4b.raw", (off_t)30, H5F_UNLIMITED) < 0)
goto error;
/* Make sure the output files are fresh*/
for (i=1; i<=4; i++) {
sprintf(filename, "extern_%db.raw", i);
if ((fd= open(filename, O_RDWR|O_CREAT|O_TRUNC, 0666)) < 0) {
H5_FAILED();
printf(" cannot open %s: %s\n", filename, strerror(errno));
goto error;
}
write(fd, temparray, (i-1)*10);
close (fd);
}
/* Create the dataset */
if((mem_space = H5Screate_simple(1, &cur_size, &max_size)) < 0) goto error;
if((file_space = H5Scopy(mem_space)) < 0) goto error;
if((dset = H5Dcreate2(file, "dset1", H5T_NATIVE_INT, file_space, H5P_DEFAULT, dcpl, H5P_DEFAULT)) < 0)
goto error;
/* Write the entire dataset and compare with the original */
for(i = 0; i < cur_size; i++)
whole[i] = i;
if(H5Dwrite(dset, H5T_NATIVE_INT, mem_space, file_space, H5P_DEFAULT, whole) < 0) goto error;
for(i = 0; i < 4; i++) {
char name1[64], name2[64];
sprintf(name1, "extern_%da.raw", i + 1);
sprintf(name2, "extern_%db.raw", i + 1);
if(!same_contents(name1, name2)) {
H5_FAILED();
puts (" Output differs from expected value.");
goto error;
} /* end if */
} /* end for */
/* Extend the dataset by another 100 elements */
if(H5Dset_extent(dset, &max_size) < 0) goto error;
if(H5Sclose(file_space) < 0) goto error;
if((file_space = H5Dget_space(dset)) < 0) goto error;
/* Write second half of dataset */
for(i = 0; i < hs_count; i++)
whole[i] = 100 + i;
if(H5Sselect_hyperslab(file_space, H5S_SELECT_SET, &hs_start, NULL, &hs_count, NULL) < 0) goto error;
if(H5Dwrite(dset, H5T_NATIVE_INT, mem_space, file_space, H5P_DEFAULT, whole) < 0) goto error;
if(H5Dclose(dset) < 0) goto error;
if(H5Pclose(dcpl) < 0) goto error;
if(H5Sclose(mem_space) < 0) goto error;
if(H5Sclose(file_space) < 0) goto error;
if(H5Fclose(file) < 0) goto error;
PASSED();
return 0;
error:
H5E_BEGIN_TRY {
H5Dclose(dset);
H5Pclose(dcpl);
H5Sclose(mem_space);
H5Sclose(file_space);
H5Fclose(file);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: test_4
*
* Purpose: Tests opening an external link twice. It exposed a bug
* in the library. This function tests the fix. This test
* doesn't work with MULTI driver.
*
* Return: Success: 0
*
* Failure: number of errors
*
* Programmer: Raymond Lu
* 5 November 2007
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static int
test_4 (hid_t fapl)
{
hid_t fid, gid, xid, xid2;
char filename[1024]; /*file name */
char pathname[1024];
char *srcdir = getenv("srcdir"); /*where the src code is located*/
const char *envval = NULL;
TESTING("opening external link twice");
/* Don't run this test using the multi file driver */
envval = HDgetenv("HDF5_DRIVER");
if (envval == NULL)
envval = "nomatch";
if (HDstrcmp(envval, "multi") && HDstrcmp(envval, "family")) {
h5_fixname(FILENAME[3], fapl, filename, sizeof filename);
if((fid = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
goto error;
if((gid = H5Gopen2(fid, "/", H5P_DEFAULT)) < 0)
goto error;
pathname[0] = '\0';
/* Generate correct name for test file by prepending the source path */
if(srcdir && ((HDstrlen(srcdir) + HDstrlen(LINKED_FILE) + 1) < sizeof(pathname))) {
HDstrcpy(pathname, srcdir);
HDstrcat(pathname, "/");
}
HDstrcat(pathname, LINKED_FILE);
/* Create an external link to an existing file*/
if(H5Lcreate_external(pathname, "/group", gid, " link", H5P_DEFAULT, H5P_DEFAULT) < 0)
goto error;
if(H5Gclose(gid) < 0)
goto error;
if(H5Fclose(fid) < 0)
goto error;
/* Reopen the file */
if((fid = H5Fopen(filename, H5F_ACC_RDONLY, fapl)) < 0)
goto error;
/* Open the external link */
if((xid = H5Gopen2(fid, "/ link", H5P_DEFAULT)) < 0)
goto error;
/* Open the external link twice */
if((xid2 = H5Gopen2(xid, ".", H5P_DEFAULT)) < 0)
goto error;
if(H5Gclose(xid2) < 0)
goto error;
if(H5Gclose(xid) < 0)
goto error;
if(H5Fclose(fid) < 0)
goto error;
PASSED();
} else
SKIPPED();
return 0;
error:
H5E_BEGIN_TRY {
H5Gclose(gid);
H5Gclose(xid);
H5Gclose(xid2);
H5Fclose(fid);
} H5E_END_TRY;
return 1;
}
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Runs external dataset tests.
*
* Return: Success: exit(0)
*
* Failure: exit(non-zero)
*
* Programmer: Robb Matzke
* Tuesday, March 3, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
int
main (void)
{
hid_t fapl=-1; /*file access properties */
hid_t file=-1; /*file for test_1* functions */
char filename[1024]; /*file name for test_1* funcs */
hid_t grp=-1; /*group to emit diagnostics */
int nerrors=0; /*number of errors */
const char *envval = NULL;
/* Don't run this test using the split file driver */
envval = HDgetenv("HDF5_DRIVER");
if (envval == NULL)
envval = "nomatch";
if (HDstrcmp(envval, "split")) {
h5_reset();
fapl = h5_fileaccess();
h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
if((file = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0) FAIL_STACK_ERROR
if((grp = H5Gcreate2(file, "emit-diagnostics", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) FAIL_STACK_ERROR
if(H5Gclose(grp) < 0) goto error;
nerrors += test_1a(file);
nerrors += test_1b(file);
nerrors += test_1c(file);
nerrors += test_1d(file);
nerrors += test_1e(file);
nerrors += test_1f(file);
nerrors += test_1g();
nerrors += test_1h();
nerrors += test_2(fapl);
nerrors += test_3(fapl);
nerrors += test_4(fapl);
if (nerrors>0) goto error;
if (H5Fclose(file) < 0) goto error;
puts("All external storage tests passed.");
if (h5_cleanup(FILENAME, fapl)) {
remove("extern_1a.raw");
remove("extern_1b.raw");
remove("extern_2a.raw");
remove("extern_2b.raw");
remove("extern_3a.raw");
remove("extern_3b.raw");
remove("extern_4a.raw");
remove("extern_4b.raw");
}
}
else
{
puts("All external storage tests skipped - Incompatible with current Virtual File Driver");
}
return 0;
error:
H5E_BEGIN_TRY {
H5Fclose(file);
H5Pclose(fapl);
} H5E_END_TRY;
nerrors = MAX(1, nerrors);
printf ("%d TEST%s FAILED.\n", nerrors, 1==nerrors?"":"s");
return 1;
}