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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Purpose: Tests hard, soft (symbolic) & external links.
*/
#define H5G_FRIEND /*suppress error about including H5Gpkg */
#define H5G_TESTING
#include "h5test.h"
#include "H5Gpkg.h" /* Groups */
#include "H5Iprivate.h" /* IDs */
#include "H5Lprivate.h" /* Links */
#define TMPDIR "tmp_links_env/"
#define NAME_BUF_SIZE 1024
static const char *FILENAME[] = {"extlinks_env0", /* 0: main file */
"extlinks_env1", /* 1: target file */
TMPDIR "extlinks_env1", /* 2 */
NULL};
static int external_link_env(hid_t fapl, bool new_format);
/*-------------------------------------------------------------------------
* Function: external_link_env (moved from links.c)
*
* Purpose: Verify that the target file is found successfully in "tmp_links_env" directory
* via searching the pathnames set in the environment variable HDF5_EXT_PREFIX.
* 1. Target link: "extlinks_env1"
* 2. Main file: "extlinks_env0"
* 3. Target file is created in: "tmp_links_env/extlinks_env1"
* 4. The environment variable "HDF5_EXT_PREFIX" is set to ".:tmp_links_env"
*
* Return: Success: 0
* Failure: -1
*
*-------------------------------------------------------------------------
*/
static int
external_link_env(hid_t fapl, bool new_format)
{
hid_t fid = (H5I_INVALID_HID); /* File ID */
hid_t gid = (H5I_INVALID_HID); /* Group IDs */
const char *envval = NULL; /* Pointer to environment variable */
char filename1[NAME_BUF_SIZE], filename2[NAME_BUF_SIZE],
filename3[NAME_BUF_SIZE]; /* Holders for filename */
if (new_format)
TESTING("external links via environment variable (w/new group format)");
else
TESTING("external links via environment variable");
if ((envval = getenv("HDF5_EXT_PREFIX")) == NULL)
envval = "nomatch";
if (strcmp(envval, ".:tmp_links_env") != 0)
TEST_ERROR;
/* Set up name for main file:"extlinks_env0" */
h5_fixname(FILENAME[0], fapl, filename1, sizeof filename1);
/* Set up name for external linked target file: "extlinks_env1" */
h5_fixname(FILENAME[1], fapl, filename2, sizeof filename2);
/* Create "tmp_links_env" directory */
if (HDmkdir(TMPDIR, (mode_t)0755) < 0 && errno != EEXIST)
TEST_ERROR;
/* Set up name (location) for the target file: "tmp_links_env/extlinks1" */
h5_fixname(FILENAME[2], fapl, filename3, sizeof filename3);
/* Create the target file in "tmp_links_env" directory */
if ((fid = H5Fcreate(filename3, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
TEST_ERROR;
if ((gid = H5Gcreate2(fid, "A", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
TEST_ERROR;
/* Closing for target file */
if (H5Gclose(gid) < 0)
TEST_ERROR;
if (H5Fclose(fid) < 0)
TEST_ERROR;
/* Create the main file */
if ((fid = H5Fcreate(filename1, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
TEST_ERROR;
/* Create external link to target file */
if (H5Lcreate_external(filename2, "/A", fid, "ext_link", H5P_DEFAULT, H5P_DEFAULT) < 0)
TEST_ERROR;
/* Open object through external link */
H5E_BEGIN_TRY
{
gid = H5Gopen2(fid, "ext_link", H5P_DEFAULT);
}
H5E_END_TRY
/* Should be able to find the target file from pathnames set via HDF5_EXT_PREFIX */
if (gid < 0) {
H5_FAILED();
puts(" Should have found the file in tmp_links_env directory.");
goto error;
}
/* closing for main file */
if (H5Gclose(gid) < 0)
TEST_ERROR;
if (H5Fclose(fid) < 0)
TEST_ERROR;
PASSED();
return 0;
error:
H5E_BEGIN_TRY
{
H5Gclose(gid);
H5Fclose(fid);
}
H5E_END_TRY
return -1;
} /* end external_link_env() */
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Test external link with environment variable HDF5_EXT_PREFIX
*
* Return: EXIT_SUCCESS/EXIT_FAILURE
*
*-------------------------------------------------------------------------
*/
int
main(void)
{
const char *env_h5_drvr; /* File driver value from environment */
hid_t fapl; /* File access property lists */
int nerrors = 0; /* Error from tests */
/* Get the VFD to use */
env_h5_drvr = getenv(HDF5_DRIVER);
if (env_h5_drvr == NULL)
env_h5_drvr = "nomatch";
/* Splitter VFD has issues with external links */
if (!strcmp(env_h5_drvr, "splitter")) {
puts(" -- SKIPPED for incompatible VFD --");
exit(EXIT_SUCCESS);
}
h5_reset();
fapl = h5_fileaccess();
nerrors += external_link_env(fapl, false) < 0 ? 1 : 0;
/* Set the "use the latest version of the format" bounds for creating objects in the file */
if (H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0)
TEST_ERROR;
nerrors += external_link_env(fapl, true) < 0 ? 1 : 0;
/* Verify symbol table messages are cached */
nerrors += (h5_verify_cached_stabs(FILENAME, fapl) < 0 ? 1 : 0);
h5_cleanup(FILENAME, fapl);
/* Results */
if (nerrors) {
printf("***** %d External Link (HDF5_EXT_PREFIX) test%s FAILED! *****\n", nerrors,
1 == nerrors ? "" : "s");
exit(EXIT_FAILURE);
}
printf("All external Link (HDF5_EXT_PREFIX) tests passed.\n");
/* clean up tmp_links_env directory created by external link tests */
HDrmdir(TMPDIR);
exit(EXIT_SUCCESS);
error:
puts("*** TESTS FAILED ***");
exit(EXIT_FAILURE);
} /* end main() */
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