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hdf5/test/h5test.c
Dana Robinson b6944aeb2a Added a test for VFD IDs to testhdf5. 
This required adding some code to generate a fake VFD class
to pass to H5FDregister().

Also, a bunch of whitespace and comment tidying.
2017-06-30 18:35:09 -07:00

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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 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://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Robb Matzke <matzke@llnl.gov>
* Thursday, November 19, 1998
*
* Purpose: Provides support functions for most of the hdf5 tests cases.
*
*/
#undef NDEBUG /*override -DNDEBUG */
#include "h5test.h"
#include "H5srcdir.h"
/* Necessary for h5_verify_cached_stabs() */
#define H5G_FRIEND /*suppress error about including H5Gpkg */
#define H5G_TESTING
#include "H5Gpkg.h"
#ifdef H5_HAVE_WIN32_API
#include <process.h>
#endif /* H5_HAVE_WIN32_API */
/*
* Define these environment variables or constants to influence functions in
* this test support library. The environment variable is used in preference
* to the cpp constant. If neither is defined then use some default value.
*
* HDF5_DRIVER: This string describes what low level file driver to
* use for HDF5 file access. The first word in the
* value is the name of the driver and subsequent data
* is interpreted according to the driver. See
* h5_fileaccess() for details.
*
* HDF5_PREFIX: A string to add to the beginning of all serial test
* file names. This can be used to run tests in a
* different file system (e.g., "/tmp" or "/tmp/myname").
* The prefix will be separated from the base file name
* by a slash. See h5_fixname() for details.
*
* HDF5_PARAPREFIX: A string to add to the beginning of all parallel test
* file names. This can be used to tell MPIO what driver
* to use (e.g., "gfs:", "ufs:", or "nfs:") or to use a
* different file system (e.g., "/tmp" or "/tmp/myname").
* The prefix will be separated from the base file name
* by a slash. See h5_fixname() for details.
*
*/
/*
* In a parallel machine, the filesystem suitable for compiling is
* unlikely a parallel file system that is suitable for parallel I/O.
* There is no standard pathname for the parallel file system. /tmp
* is about the best guess.
*/
#ifndef HDF5_PARAPREFIX
#define HDF5_PARAPREFIX ""
#endif
char *paraprefix = NULL; /* for command line option para-prefix */
#ifdef H5_HAVE_PARALLEL
MPI_Info h5_io_info_g=MPI_INFO_NULL;/* MPI INFO object for IO */
#endif
#define READ_BUF_SIZE 65536
/*
* These are the letters that are appended to the file name when generating
* names for the split and multi drivers. They are:
*
* m: All meta data when using the split driver.
* s: The userblock, superblock, and driver info block
* b: B-tree nodes
* r: Dataset raw data
* g: Global heap
* l: local heap (object names)
* o: object headers
*/
static const char *multi_letters = "msbrglo";
/* Length of multi-file VFD filename buffers */
#define H5TEST_MULTI_FILENAME_LEN 1024
/* Temporary file for sending signal messages */
#define TMP_SIGNAL_FILE "tmp_signal_file"
/* The # of seconds to wait for the message file--used by h5_wait_message() */
#define MESSAGE_TIMEOUT 300 /* Timeout in seconds */
/* Previous error reporting function */
static H5E_auto2_t err_func = NULL;
static herr_t h5_errors(hid_t estack, void *client_data);
static char * h5_fixname_real(const char *base_name, hid_t fapl, const char *suffix,
char *fullname, size_t size, hbool_t nest_printf);
/* A non-usable VFD class and its functions.
*
* Usable for testing things like ID handling where we shouldn't mess with the real VFDs.
*/
static H5FD_t *dummy_vfd_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr);
static H5FD_t *dummy_vfd_open(const char H5_ATTR_UNUSED *name, unsigned H5_ATTR_UNUSED flags, hid_t H5_ATTR_UNUSED fapl_id, haddr_t H5_ATTR_UNUSED maxaddr) { return NULL; }
static herr_t dummy_vfd_close(H5FD_t *_file);
static herr_t dummy_vfd_close(H5FD_t H5_ATTR_UNUSED *_file) { return FAIL; }
static haddr_t dummy_vfd_get_eoa(const H5FD_t *file, H5FD_mem_t type);
static haddr_t dummy_vfd_get_eoa(const H5FD_t H5_ATTR_UNUSED *file, H5FD_mem_t H5_ATTR_UNUSED type) { return HADDR_UNDEF; }
static herr_t dummy_vfd_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t addr);
static herr_t dummy_vfd_set_eoa(H5FD_t H5_ATTR_UNUSED *_file, H5FD_mem_t H5_ATTR_UNUSED type, haddr_t H5_ATTR_UNUSED addr) { return FAIL; }
static haddr_t dummy_vfd_get_eof(const H5FD_t *file, H5FD_mem_t type);
static haddr_t dummy_vfd_get_eof(const H5FD_t H5_ATTR_UNUSED *file, H5FD_mem_t H5_ATTR_UNUSED type) { return HADDR_UNDEF; }
static herr_t dummy_vfd_read(H5FD_t *_file, H5FD_mem_t type, hid_t fapl_id, haddr_t addr, size_t size, void *buf);
static herr_t dummy_vfd_read(H5FD_t H5_ATTR_UNUSED *_file, H5FD_mem_t H5_ATTR_UNUSED type, hid_t H5_ATTR_UNUSED fapl_id, haddr_t H5_ATTR_UNUSED addr, size_t H5_ATTR_UNUSED size, void H5_ATTR_UNUSED *buf) { return FAIL; }
static herr_t dummy_vfd_write(H5FD_t *_file, H5FD_mem_t type, hid_t fapl_id, haddr_t addr, size_t size, const void *buf);
static herr_t dummy_vfd_write(H5FD_t H5_ATTR_UNUSED *_file, H5FD_mem_t H5_ATTR_UNUSED type, hid_t H5_ATTR_UNUSED fapl_id, haddr_t H5_ATTR_UNUSED addr, size_t H5_ATTR_UNUSED size, const void H5_ATTR_UNUSED *buf) { return FAIL; }
static H5FD_class_t dummy_vfd_class_g = {
"fake", /* name */
1, /* maxaddr */
H5F_CLOSE_WEAK, /* fc_degree */
NULL, /* terminate */
NULL, /* sb_size */
NULL, /* sb_encode */
NULL, /* sb_decode */
0, /* fapl_size */
NULL, /* fapl_get */
NULL, /* fapl_copy */
NULL, /* fapl_free */
0, /* dxpl_size */
NULL, /* dxpl_copy */
NULL, /* dxpl_free */
dummy_vfd_open, /* open */
dummy_vfd_close, /* close */
NULL, /* cmp */
NULL, /* query */
NULL, /* get_type_map */
NULL, /* alloc */
NULL, /* free */
dummy_vfd_get_eoa, /* get_eoa */
dummy_vfd_set_eoa, /* set_eoa */
dummy_vfd_get_eof, /* get_eof */
NULL, /* get_handle */
dummy_vfd_read, /* read */
dummy_vfd_write, /* write */
NULL, /* flush */
NULL, /* truncate */
NULL, /* lock */
NULL, /* unlock */
H5FD_FLMAP_DEFAULT /* fl_map */
};
/*-------------------------------------------------------------------------
* Function: h5_errors
*
* Purpose: Displays the error stack after printing "*FAILED*".
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Robb Matzke
* Wednesday, March 4, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
h5_errors(hid_t estack, void H5_ATTR_UNUSED *client_data)
{
H5_FAILED();
H5Eprint2(estack, stdout);
return 0;
}
/*-------------------------------------------------------------------------
* Function: h5_clean_files
*
* Purpose: Cleanup temporary test files (always).
* base_name contains the list of test file names.
*
* Return: void
*
* Programmer: Neil Fortner
* June 1, 2015
*
*-------------------------------------------------------------------------
*/
void
h5_clean_files(const char *base_name[], hid_t fapl)
{
int i;
for(i = 0; base_name[i]; i++) {
char filename[1024];
char temp[2048];
hid_t driver;
if(NULL == h5_fixname(base_name[i], fapl, filename, sizeof(filename)))
continue;
driver = H5Pget_driver(fapl);
if(driver == H5FD_FAMILY) {
int j;
for(j = 0; /*void*/; j++) {
HDsnprintf(temp, sizeof temp, filename, j);
if(HDaccess(temp, F_OK) < 0)
break;
HDremove(temp);
} /* end for */
} else if(driver == H5FD_CORE) {
hbool_t backing; /* Whether the core file has backing store */
H5Pget_fapl_core(fapl, NULL, &backing);
/* If the file was stored to disk with bacing store, remove it */
if(backing)
HDremove(filename);
} else if (driver == H5FD_MULTI) {
H5FD_mem_t mt;
HDassert(HDstrlen(multi_letters)==H5FD_MEM_NTYPES);
for(mt = H5FD_MEM_DEFAULT; mt < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t,mt)) {
HDsnprintf(temp, sizeof temp, "%s-%c.h5", filename, multi_letters[mt]);
HDremove(temp); /*don't care if it fails*/
} /* end for */
} else {
HDremove(filename);
}
} /* end for */
/* Close the FAPL used to access the file */
H5Pclose(fapl);
return;
} /* end h5_clean_files() */
/*-------------------------------------------------------------------------
* Function: h5_delete_test_file
*
* Purpose Clean up temporary test files.
*
* When a test calls h5_fixname() to get a VFD-dependent
* test file name, this function can be used to clean it up.
*
* Return: void
*
* Since this is a cleanup file, we don't care if it fails.
*
* Programmer: Dana Robinson
* February 2016
*
*-------------------------------------------------------------------------
*/
void
h5_delete_test_file(const char *base_name, hid_t fapl)
{
char filename[1024]; /* VFD-dependent filename to delete */
char sub_filename[2048]; /* sub-files in multi & family VFDs */
hid_t driver = -1; /* VFD ID */
/* Get the VFD-dependent filename */
if(NULL == h5_fixname(base_name, fapl, filename, sizeof(filename)))
return;
driver = H5Pget_driver(fapl);
if(driver == H5FD_FAMILY) {
int j;
for(j = 0; /*void*/; j++) {
HDsnprintf(sub_filename, sizeof(sub_filename), filename, j);
/* If we can't access the file, it probably doesn't exist
* and we are done deleting the sub-files.
*/
if(HDaccess(sub_filename, F_OK) < 0)
break;
HDremove(sub_filename);
} /* end for */
} else if(driver == H5FD_CORE) {
hbool_t backing; /* Whether the core file has backing store */
H5Pget_fapl_core(fapl, NULL, &backing);
/* If the file was stored to disk with bacing store, remove it */
if(backing)
HDremove(filename);
} else if (driver == H5FD_MULTI) {
H5FD_mem_t mt;
HDassert(HDstrlen(multi_letters) == H5FD_MEM_NTYPES);
for(mt = H5FD_MEM_DEFAULT; mt < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t,mt)) {
HDsnprintf(sub_filename, sizeof(sub_filename), "%s-%c.h5", filename, multi_letters[mt]);
HDremove(sub_filename);
} /* end for */
} else {
HDremove(filename);
} /* end if */
return;
} /* end h5_delete_test_file() */
/*-------------------------------------------------------------------------
* Function: h5_delete_all_test_files
*
* Purpose Clean up temporary test files.
*
* When a test calls h5_fixname() get a VFD-dependent
* test file name, this function can be used to clean it up.
*
* This function takes an array of filenames that ends with
* a NULL string and cleans them all.
*
* Return: void
*
* Since this is a cleanup file, we don't care if it fails.
*
* Programmer: Dana Robinson
* February 2016
*
*-------------------------------------------------------------------------
*/
void
h5_delete_all_test_files(const char *base_name[], hid_t fapl)
{
int i; /* iterator */
for(i = 0; base_name[i]; i++) {
h5_delete_test_file(base_name[i], fapl);
} /* end for */
return;
} /* end h5_delete_all_test_files() */
/*-------------------------------------------------------------------------
* Function: h5_cleanup
*
* Purpose: Cleanup temporary test files.
* base_name contains the list of test file names.
* The file access property list is also closed.
*
* Return: Non-zero if cleanup actions were performed; zero otherwise.
*
* Programmer: Albert Cheng
* May 28, 1998
*
*-------------------------------------------------------------------------
*/
int
h5_cleanup(const char *base_name[], hid_t fapl)
{
int retval = 0;
if(GetTestCleanup()) {
/* Clean up files in base_name, and the FAPL */
h5_clean_files(base_name, fapl);
retval = 1;
} /* end if */
/* Restore the original error reporting routine */
h5_restore_err();
return retval;
} /* end h5_cleanup() */
/*-------------------------------------------------------------------------
* Function: h5_test_shutdown
*
* Purpose: Performs any special test cleanup required before the test
* ends.
*
* NOTE: This function should normally only be called once
* in a given test, usually just before leaving main(). It
* is intended for use in the single-file unit tests, not
* testhdf5.
*
* Return: void
*
* Programmer: Dana Robinson
* February 2016
*
*-------------------------------------------------------------------------
*/
void
h5_test_shutdown(void)
{
/* Restore the original error reporting routine */
h5_restore_err();
return;
} /* end h5_test_shutdown() */
/*-------------------------------------------------------------------------
* Function: h5_restore_err
*
* Purpose: Restore the default error handler.
*
* Return: N/A
*
* Programmer: Quincey Koziol
* Sept 10, 2015
*
*-------------------------------------------------------------------------
*/
void
h5_restore_err(void)
{
/* Restore the original error reporting routine */
HDassert(err_func != NULL);
H5Eset_auto2(H5E_DEFAULT, err_func, NULL);
err_func = NULL;
}
/*-------------------------------------------------------------------------
* Function: h5_reset
*
* Purpose: Reset the library by closing it.
*
* Return: void
*
* Programmer: Robb Matzke
* Friday, November 20, 1998
*
*-------------------------------------------------------------------------
*/
void
h5_reset(void)
{
HDfflush(stdout);
HDfflush(stderr);
H5close();
/* Save current error stack reporting routine and redirect to our local one */
HDassert(err_func == NULL);
H5Eget_auto2(H5E_DEFAULT, &err_func, NULL);
H5Eset_auto2(H5E_DEFAULT, h5_errors, NULL);
/*
* I commented this chunk of code out because it's not clear what diagnostics
* were being output and under what circumstances, and creating this file
* is throwing off debugging some of the tests. I can't see any _direct_
* harm in keeping this section of code, but I can't see any _direct_
* benefit right now either. If we figure out under which circumstances
* diagnostics are being output, we should enable this behavior based on
* appropriate configure flags/macros. QAK - 2007/12/20
*/
#ifdef OLD_WAY
{
char filename[1024];
/*
* Cause the library to emit some diagnostics early so they don't
* interfere with other formatted output.
*/
sprintf(filename, "/tmp/h5emit-%05d.h5", HDgetpid());
H5E_BEGIN_TRY {
hid_t file = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT,
H5P_DEFAULT);
hid_t grp = H5Gcreate2(file, "emit", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
H5Gclose(grp);
H5Fclose(file);
HDunlink(filename);
} H5E_END_TRY;
}
#endif /* OLD_WAY */
}
/*-------------------------------------------------------------------------
* Function: h5_test_init
*
* Purpose: Performs any special actions before the test begins.
*
* NOTE: This function should normally only be called once
* in a given test, usually at the beginning of main(). It
* is intended for use in the single-file unit tests, not
* testhdf5.
*
* Return: void
*
* Programmer: Dana Robinson
* February 2016
*
*-------------------------------------------------------------------------
*/
void
h5_test_init(void)
{
HDfflush(stdout);
HDfflush(stderr);
H5close();
/* Save current error stack reporting routine and redirect to our local one */
HDassert(err_func == NULL);
H5Eget_auto2(H5E_DEFAULT, &err_func, NULL);
H5Eset_auto2(H5E_DEFAULT, h5_errors, NULL);
return;
} /* end h5_test_init() */
/*-------------------------------------------------------------------------
* Function: h5_fixname
*
* Purpose: Create a file name from a file base name like `test' and
* return it through the FULLNAME (at most SIZE characters
* counting the null terminator). The full name is created by
* prepending the contents of HDF5_PREFIX (separated from the
* base name by a slash) and appending a file extension based on
* the driver supplied, resulting in something like
* `ufs:/u/matzke/test.h5'.
*
* Return: Success: The FULLNAME pointer.
*
* Failure: NULL if BASENAME or FULLNAME is the null
* pointer or if FULLNAME isn't large enough for
* the result.
*
* Programmer: Robb Matzke
* Thursday, November 19, 1998
*
*-------------------------------------------------------------------------
*/
char *
h5_fixname(const char *base_name, hid_t fapl, char *fullname, size_t size)
{
return (h5_fixname_real(base_name, fapl, ".h5", fullname, size, FALSE));
}
/*-------------------------------------------------------------------------
* Function: h5_fixname_no_suffix
*
* Purpose: Same as h5_fixname but with no suffix appended
*
* Return: Success: The FULLNAME pointer.
*
* Failure: NULL if BASENAME or FULLNAME is the null
* pointer or if FULLNAME isn't large enough for
* the result.
*
*-------------------------------------------------------------------------
*/
char *
h5_fixname_no_suffix(const char *base_name, hid_t fapl, char *fullname, size_t size)
{
return (h5_fixname_real(base_name, fapl, NULL, fullname, size, FALSE));
}
/*-------------------------------------------------------------------------
* Function: h5_fixname_printf
*
* Purpose: Same as h5_fixname but returns a filename that can be passed
* through a printf-style function once before being passed to the file
* driver. Basically, replaces all % characters used by the file
* driver with %%.
*
* Return: Success: The FULLNAME pointer.
*
* Failure: NULL if BASENAME or FULLNAME is the null
* pointer or if FULLNAME isn't large enough for
* the result.
*
* Programmer: Neil Fortner
* Wednesday, July 15, 2015
*
*-------------------------------------------------------------------------
*/
char *
h5_fixname_printf(const char *base_name, hid_t fapl, char *fullname, size_t size)
{
return (h5_fixname_real(base_name, fapl, ".h5", fullname, size, TRUE));
}
/*-------------------------------------------------------------------------
* Function: h5_fixname_real
*
* Purpose: Create a file name from a file base name like `test' and
* return it through the FULLNAME (at most SIZE characters
* counting the null terminator). The full name is created by
* prepending the contents of HDF5_PREFIX (separated from the
* base name by a slash) and appending a file extension based on
* the driver supplied, resulting in something like
* `ufs:/u/matzke/test.h5'.
*
* Return: Success: The FULLNAME pointer.
*
* Failure: NULL if BASENAME or FULLNAME is the null
* pointer or if FULLNAME isn't large enough for
* the result.
*
* Programmer: Robb Matzke
* Thursday, November 19, 1998
*
*-------------------------------------------------------------------------
*/
static char *
h5_fixname_real(const char *base_name, hid_t fapl, const char *_suffix,
char *fullname, size_t size, hbool_t nest_printf)
{
const char *prefix = NULL;
char *ptr, last = '\0';
const char *suffix = _suffix;
size_t i, j;
hid_t driver = -1;
int isppdriver = 0; /* if the driver is MPI parallel */
if (!base_name || !fullname || size < 1)
return NULL;
HDmemset(fullname, 0, size);
/* figure out the suffix */
if(H5P_DEFAULT != fapl) {
if((driver = H5Pget_driver(fapl)) < 0)
return NULL;
if(suffix) {
if(H5FD_FAMILY == driver)
suffix = nest_printf ? "%%05d.h5" : "%05d.h5";
else if (H5FD_MULTI == driver)
suffix = NULL;
}
}
/* Must first check fapl is not H5P_DEFAULT (-1) because H5FD_XXX
* could be of value -1 if it is not defined.
*/
isppdriver = H5P_DEFAULT != fapl && (H5FD_MPIO==driver);
/* Check HDF5_NOCLEANUP environment setting.
* (The #ifdef is needed to prevent compile failure in case MPI is not
* configured.)
*/
if(isppdriver) {
#ifdef H5_HAVE_PARALLEL
if(getenv_all(MPI_COMM_WORLD, 0, "HDF5_NOCLEANUP"))
SetTestNoCleanup();
#endif /* H5_HAVE_PARALLEL */
} else {
if(HDgetenv("HDF5_NOCLEANUP"))
SetTestNoCleanup();
}
/* Check what prefix to use for test files. Process HDF5_PARAPREFIX and
* HDF5_PREFIX.
* Use different ones depending on parallel or serial driver used.
* (The #ifdef is needed to prevent compile failure in case MPI is not
* configured.)
*/
if(isppdriver) {
#ifdef H5_HAVE_PARALLEL
/*
* For parallel:
* First use command line option, then the environment
* variable, then try the constant
*/
static int explained = 0;
prefix = (paraprefix ? paraprefix : getenv_all(MPI_COMM_WORLD, 0, "HDF5_PARAPREFIX"));
if (!prefix && !explained) {
/* print hint by process 0 once. */
int mpi_rank;
MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
if (mpi_rank == 0)
printf("*** Hint ***\n"
"You can use environment variable HDF5_PARAPREFIX to "
"run parallel test files in a\n"
"different directory or to add file type prefix. E.g.,\n"
" HDF5_PARAPREFIX=pfs:/PFS/user/me\n"
" export HDF5_PARAPREFIX\n"
"*** End of Hint ***\n");
explained = TRUE;
#ifdef HDF5_PARAPREFIX
prefix = HDF5_PARAPREFIX;
#endif /* HDF5_PARAPREFIX */
}
#endif /* H5_HAVE_PARALLEL */
} else {
/*
* For serial:
* First use the environment variable, then try the constant
*/
prefix = HDgetenv("HDF5_PREFIX");
#ifdef HDF5_PREFIX
if (!prefix)
prefix = HDF5_PREFIX;
#endif /* HDF5_PREFIX */
}
/* Prepend the prefix value to the base name */
if (prefix && *prefix) {
if (isppdriver) {
/* This is a parallel system */
char *subdir;
if (!HDstrcmp(prefix, HDF5_PARAPREFIX)) {
/*
* If the prefix specifies the HDF5_PARAPREFIX directory, then
* default to using the "/tmp/$USER" or "/tmp/$LOGIN"
* directory instead.
*/
char *user, *login;
user = HDgetenv("USER");
login = HDgetenv("LOGIN");
subdir = (user ? user : login);
if (subdir) {
for (i = 0; i < size && prefix[i]; i++)
fullname[i] = prefix[i];
fullname[i++] = '/';
for (j = 0; i < size && subdir[j]; ++i, ++j)
fullname[i] = subdir[j];
}
}
if (!fullname[0]) {
/* We didn't append the prefix yet */
HDstrncpy(fullname, prefix, size);
fullname[size -1] = '\0';
}
if (HDstrlen(fullname) + HDstrlen(base_name) + 1 < size) {
/*
* Append the base_name with a slash first. Multiple
* slashes are handled below.
*/
h5_stat_t buf;
if (HDstat(fullname, &buf) < 0)
/* The directory doesn't exist just yet */
if (HDmkdir(fullname, (mode_t)0755) < 0 && errno != EEXIST)
/*
* We couldn't make the "/tmp/${USER,LOGIN}"
* subdirectory. Default to PREFIX's original
* prefix value.
*/
HDstrcpy(fullname, prefix);
HDstrcat(fullname, "/");
HDstrcat(fullname, base_name);
} else {
/* Buffer is too small */
return NULL;
}
} else {
if (HDsnprintf(fullname, size, "%s/%s", prefix, base_name) == (int)size)
/* Buffer is too small */
return NULL;
}
} else if (HDstrlen(base_name) >= size) {
/* Buffer is too small */
return NULL;
} else {
HDstrcpy(fullname, base_name);
}
/* Append a suffix */
if (suffix) {
if (HDstrlen(fullname) + HDstrlen(suffix) >= size)
return NULL;
HDstrcat(fullname, suffix);
}
/* Remove any double slashes in the filename */
for (ptr = fullname, i = j = 0; ptr && i < size; i++, ptr++) {
if (*ptr != '/' || last != '/')
fullname[j++] = *ptr;
last = *ptr;
}
return fullname;
}
/*-------------------------------------------------------------------------
* Function: h5_rmprefix
*
* Purpose: This "removes" the MPIO driver prefix part of the file name
* by returning a pointer that points at the non-prefix component
* part of the file name. E.g.,
* Input Return
* pfs:/scratch1/dataX /scratch1/dataX
* /scratch2/dataY /scratch2/dataY
* Note that there is no change to the original file name.
*
* Return: Success: a pointer at the non-prefix part.
*
* Programmer: Albert Cheng; Jun 1, 2006
*
*-------------------------------------------------------------------------
*/
H5_ATTR_PURE const char *
h5_rmprefix(const char *filename)
{
const char *ret_ptr;
if ((ret_ptr = HDstrstr(filename, ":")) == NULL)
ret_ptr = filename;
else
ret_ptr++;
return(ret_ptr);
}
/*-------------------------------------------------------------------------
* Function: h5_fileaccess
*
* Purpose: Returns a file access template which is the default template
* but with a file driver set according to the constant or
* environment variable HDF5_DRIVER
*
* Return: Success: A file access property list
* Failure: -1
*
* Programmer: Robb Matzke
* Thursday, November 19, 1998
*
*-------------------------------------------------------------------------
*/
hid_t
h5_fileaccess(void)
{
const char *val = NULL;
const char *name;
char s[1024];
hid_t fapl = -1;
/* First use the environment variable, then the constant */
val = HDgetenv("HDF5_DRIVER");
#ifdef HDF5_DRIVER
if(!val)
val = HDF5_DRIVER;
#endif
if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
return -1;
if(!val || !*val)
return fapl; /* use default */
HDstrncpy(s, val, sizeof s);
s[sizeof(s)-1] = '\0';
if(NULL == (name = HDstrtok(s, " \t\n\r")))
return fapl;
if(!HDstrcmp(name, "sec2")) {
/* Unix read() and write() system calls */
if (H5Pset_fapl_sec2(fapl) < 0)
return -1;
}
else if(!HDstrcmp(name, "stdio")) {
/* Standard C fread() and fwrite() system calls */
if (H5Pset_fapl_stdio(fapl) < 0)
return -1;
}
else if(!HDstrcmp(name, "core")) {
/* In-memory driver settings (backing store on, 1 MB increment) */
if(H5Pset_fapl_core(fapl, (size_t)1, TRUE) < 0)
return -1;
}
else if(!HDstrcmp(name, "core_paged")) {
/* In-memory driver with write tracking and paging on */
if(H5Pset_fapl_core(fapl, (size_t)1, TRUE) < 0)
return -1;
if(H5Pset_core_write_tracking(fapl, TRUE, (size_t)4096) < 0)
return -1;
}
else if(!HDstrcmp(name, "split")) {
/* Split meta data and raw data each using default driver */
if(H5Pset_fapl_split(fapl,
"-m.h5", H5P_DEFAULT,
"-r.h5", H5P_DEFAULT) < 0)
return -1;
}
else if(!HDstrcmp(name, "multi")) {
/* Multi-file driver, general case of the split driver */
H5FD_mem_t memb_map[H5FD_MEM_NTYPES];
hid_t memb_fapl[H5FD_MEM_NTYPES];
const char *memb_name[H5FD_MEM_NTYPES];
char *sv[H5FD_MEM_NTYPES];
haddr_t memb_addr[H5FD_MEM_NTYPES];
H5FD_mem_t mt;
HDmemset(memb_map, 0, sizeof memb_map);
HDmemset(memb_fapl, 0, sizeof memb_fapl);
HDmemset(memb_name, 0, sizeof memb_name);
HDmemset(memb_addr, 0, sizeof memb_addr);
HDassert(HDstrlen(multi_letters)==H5FD_MEM_NTYPES);
for(mt = H5FD_MEM_DEFAULT; mt < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, mt)) {
memb_fapl[mt] = H5P_DEFAULT;
if(NULL == (sv[mt] = (char *)HDmalloc(H5TEST_MULTI_FILENAME_LEN)))
return -1;
HDsprintf(sv[mt], "%%s-%c.h5", multi_letters[mt]);
memb_name[mt] = sv[mt];
memb_addr[mt] = (haddr_t)MAX(mt - 1, 0) * (HADDR_MAX / 10);
} /* end for */
if(H5Pset_fapl_multi(fapl, memb_map, memb_fapl, memb_name, memb_addr, FALSE) < 0)
return -1;
for(mt = H5FD_MEM_DEFAULT; mt < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, mt))
HDfree(sv[mt]);
}
else if(!HDstrcmp(name, "family")) {
hsize_t fam_size = 100*1024*1024; /*100 MB*/
/* Family of files, each 1MB and using the default driver */
if((val = HDstrtok(NULL, " \t\n\r")))
fam_size = (hsize_t)(HDstrtod(val, NULL) * 1024*1024);
if(H5Pset_fapl_family(fapl, fam_size, H5P_DEFAULT)<0)
return -1;
}
else if(!HDstrcmp(name, "log")) {
unsigned log_flags = H5FD_LOG_LOC_IO | H5FD_LOG_ALLOC;
/* Log file access */
if((val = HDstrtok(NULL, " \t\n\r")))
log_flags = (unsigned)HDstrtol(val, NULL, 0);
if(H5Pset_fapl_log(fapl, NULL, log_flags, (size_t)0) < 0)
return -1;
}
else if(!HDstrcmp(name, "direct")) {
#ifdef H5_HAVE_DIRECT
/* Linux direct read() and write() system calls. Set memory boundary, file block size,
* and copy buffer size to the default values. */
if(H5Pset_fapl_direct(fapl, 1024, 4096, 8 * 4096) < 0)
return -1;
#endif
}
else if(!HDstrcmp(name, "latest")) {
/* use the latest format */
if(H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST) < 0)
return -1;
}
else {
/* Unknown driver */
return -1;
}
return fapl;
}
/*-------------------------------------------------------------------------
* Function: h5_get_vfd_fapl
*
* Purpose: Returns a file access property list which is the default
* fapl but with a file driver set according to the constant or
* environment variable HDF5_DRIVER.
*
* Return: Success: A file access property list ID
* Failure: -1
*
* Programmer: Dana Robinson
* February 2016
*
*-------------------------------------------------------------------------
*/
hid_t
h5_get_vfd_fapl(void)
{
const char *env = NULL; /* HDF5_DRIVER environment variable */
const char *tok = NULL; /* strtok pointer */
char buf[1024]; /* buffer for tokenizing HDF5_DRIVER */
hid_t fapl = -1; /* fapl to be returned */
/* Get the environment variable, if it exists */
env = HDgetenv("HDF5_DRIVER");
/* Create a default fapl */
if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
return -1;
/* If the environment variable was not set, just return
* the default fapl.
*/
if(!env || !*env)
return fapl;
/* Get the first 'word' of the environment variable.
* If it's nothing (environment variable was whitespace)
* just return the default fapl.
*/
HDstrncpy(buf, env, sizeof(buf));
HDmemset(buf, 0, sizeof(buf));
if(NULL == (tok = HDstrtok(buf, " \t\n\r")))
return fapl;
if(!HDstrcmp(tok, "sec2")) {
/* POSIX (section 2) read() and write() system calls */
if(H5Pset_fapl_sec2(fapl) < 0)
return -1;
} else if(!HDstrcmp(tok, "stdio")) {
/* Standard C fread() and fwrite() system calls */
if(H5Pset_fapl_stdio(fapl) < 0)
return -1;
} else if(!HDstrcmp(tok, "core")) {
/* In-memory driver settings (backing store on, 1 MB increment) */
if(H5Pset_fapl_core(fapl, (size_t)1, TRUE) < 0)
return -1;
} else if(!HDstrcmp(tok, "core_paged")) {
/* In-memory driver with write tracking and paging on */
if(H5Pset_fapl_core(fapl, (size_t)1, TRUE) < 0)
return -1;
if(H5Pset_core_write_tracking(fapl, TRUE, (size_t)4096) < 0)
return -1;
} else if(!HDstrcmp(tok, "split")) {
/* Split meta data and raw data each using default driver */
if(H5Pset_fapl_split(fapl,
"-m.h5", H5P_DEFAULT,
"-r.h5", H5P_DEFAULT) < 0)
return -1;
} else if(!HDstrcmp(tok, "multi")) {
/* Multi-file driver, general case of the split driver */
H5FD_mem_t memb_map[H5FD_MEM_NTYPES];
hid_t memb_fapl[H5FD_MEM_NTYPES];
const char *memb_name[H5FD_MEM_NTYPES];
char *sv[H5FD_MEM_NTYPES];
haddr_t memb_addr[H5FD_MEM_NTYPES];
H5FD_mem_t mt;
HDmemset(memb_map, 0, sizeof(memb_map));
HDmemset(memb_fapl, 0, sizeof(memb_fapl));
HDmemset(memb_name, 0, sizeof(memb_name));
HDmemset(memb_addr, 0, sizeof(memb_addr));
HDassert(HDstrlen(multi_letters) == H5FD_MEM_NTYPES);
for(mt = H5FD_MEM_DEFAULT; mt < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, mt)) {
memb_fapl[mt] = H5P_DEFAULT;
sv[mt] = (char *)HDmalloc(H5TEST_MULTI_FILENAME_LEN);
HDassert(sv[mt]);
HDsprintf(sv[mt], "%%s-%c.h5", multi_letters[mt]);
memb_name[mt] = sv[mt];
memb_addr[mt] = (haddr_t)MAX(mt - 1, 0) * (HADDR_MAX / 10);
} /* end for */
if(H5Pset_fapl_multi(fapl, memb_map, memb_fapl, memb_name, memb_addr, FALSE) < 0)
return -1;
for(mt = H5FD_MEM_DEFAULT; mt < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, mt))
HDfree(sv[mt]);
} else if(!HDstrcmp(tok, "family")) {
/* Family of files, each 1MB and using the default driver */
hsize_t fam_size = 100*1024*1024; /*100 MB*/
/* Was a family size specified in the environment variable? */
if((tok = HDstrtok(NULL, " \t\n\r")))
fam_size = (hsize_t)(HDstrtod(tok, NULL) * 1024*1024);
if(H5Pset_fapl_family(fapl, fam_size, H5P_DEFAULT) < 0)
return -1;
} else if(!HDstrcmp(tok, "log")) {
/* Log file access */
unsigned log_flags = H5FD_LOG_LOC_IO | H5FD_LOG_ALLOC;
/* Were special log file flags specified in the environment variable? */
if((tok = HDstrtok(NULL, " \t\n\r")))
log_flags = (unsigned)HDstrtol(tok, NULL, 0);
if(H5Pset_fapl_log(fapl, NULL, log_flags, (size_t)0) < 0)
return -1;
#ifdef H5_HAVE_DIRECT
} else if(!HDstrcmp(tok, "direct")) {
/* Linux direct read() and write() system calls. Set memory boundary,
* file block size, and copy buffer size to the default values.
*/
if(H5Pset_fapl_direct(fapl, 1024, 4096, 8*4096)<0)
return -1;
#endif
} else {
/* Unknown driver */
return -1;
} /* end if */
return fapl;
} /* end h5_get_vfd_fapl() */
/*-------------------------------------------------------------------------
* Function: h5_no_hwconv
*
* Purpose: Turn off hardware data type conversions.
*
* Return: void
*
* Programmer: Robb Matzke
* Friday, November 20, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
void
h5_no_hwconv(void)
{
H5Tunregister(H5T_PERS_HARD, NULL, (hid_t)-1, (hid_t)-1, NULL);
}
/*-------------------------------------------------------------------------
* Function: h5_show_hostname
*
* Purpose: Show hostname. Show process ID if in MPI environment.
*
* Return: void
*
* Programmer: Albert Cheng
* 2002/04/22
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
void
h5_show_hostname(void)
{
char hostname[80];
#ifdef H5_HAVE_WIN32_API
WSADATA wsaData;
int err;
#endif
/* try show the process or thread id in multiple processes cases*/
#ifdef H5_HAVE_PARALLEL
{
int mpi_rank, mpi_initialized, mpi_finalized;
MPI_Initialized(&mpi_initialized);
MPI_Finalized(&mpi_finalized);
if(mpi_initialized && !mpi_finalized) {
MPI_Comm_rank(MPI_COMM_WORLD,&mpi_rank);
printf("MPI-process %d.", mpi_rank);
}
else
printf("thread 0.");
}
#elif defined(H5_HAVE_THREADSAFE)
printf("thread %lu.", HDpthread_self_ulong());
#else
printf("thread 0.");
#endif
#ifdef H5_HAVE_WIN32_API
err = WSAStartup( MAKEWORD(2,2), &wsaData );
if ( err != 0 ) {
/* could not find a usable WinSock DLL */
return;
}
/* Confirm that the WinSock DLL supports 2.2.*/
/* Note that if the DLL supports versions greater */
/* than 2.2 in addition to 2.2, it will still return */
/* 2.2 in wVersion since that is the version we */
/* requested. */
if ( LOBYTE( wsaData.wVersion ) != 2 ||
HIBYTE( wsaData.wVersion ) != 2 ) {
/* could not find a usable WinSock DLL */
WSACleanup( );
return;
}
#endif
#ifdef H5_HAVE_GETHOSTNAME
if (gethostname(hostname, (size_t)80) < 0)
printf(" gethostname failed\n");
else
printf(" hostname=%s\n", hostname);
#else
printf(" gethostname not supported\n");
#endif
#ifdef H5_HAVE_WIN32_API
WSACleanup();
#endif
}
#ifdef H5_HAVE_PARALLEL
/*
* Function: h5_set_info_object
* Purpose: Process environment variables setting to set up MPI Info
* object.
* Return: 0 if all is fine; otherwise non-zero.
* Programmer: Albert Cheng, 2002/05/21.
* Modifications:
* Bill Wendling, 2002/05/31
* Modified so that the HDF5_MPI_INFO environment variable can
* be a semicolon separated list of "key=value" pairings. Most
* of the code is to remove any whitespaces which might be
* surrounding the "key=value" pairs.
*/
int
h5_set_info_object(void)
{
char *envp; /* environment pointer */
int ret_value=0;
/* handle any MPI INFO hints via $HDF5_MPI_INFO */
if ((envp = getenv("HDF5_MPI_INFO")) != NULL){
char *next, *valp;
valp = envp = next = HDstrdup(envp);
if (!valp) return 0;
/* create an INFO object if not created yet */
if (h5_io_info_g == MPI_INFO_NULL)
MPI_Info_create(&h5_io_info_g);
do {
size_t len;
char *key_val, *endp, *namep;
if (*valp == ';')
valp++;
/* copy key/value pair into temporary buffer */
len = strcspn(valp, ";");
next = &valp[len];
key_val = (char *)HDcalloc(1, len + 1);
/* increment the next pointer past the terminating semicolon */
if (*next == ';')
++next;
namep = HDstrncpy(key_val, valp, len);
/* pass up any beginning whitespaces */
while (*namep && (*namep == ' ' || *namep == '\t'))
namep++;
if (!*namep) continue; /* was all white space, so move to next k/v pair */
/* eat up any ending white spaces */
endp = &namep[HDstrlen(namep) - 1];
while (endp && (*endp == ' ' || *endp == '\t'))
*endp-- = '\0';
/* find the '=' */
valp = HDstrchr(namep, '=');
if (valp != NULL) { /* it's a valid key/value pairing */
char *tmp_val = valp + 1;
/* change '=' to \0, move valp down one */
*valp-- = '\0';
/* eat up ending whitespace on the "key" part */
while (*valp == ' ' || *valp == '\t')
*valp-- = '\0';
valp = tmp_val;
/* eat up beginning whitespace on the "value" part */
while (*valp == ' ' || *valp == '\t')
*valp++ = '\0';
/* actually set the darned thing */
if (MPI_SUCCESS != MPI_Info_set(h5_io_info_g, namep, valp)) {
printf("MPI_Info_set failed\n");
ret_value = -1;
}
}
valp = next;
HDfree(key_val);
} while (next && *next);
HDfree(envp);
}
return ret_value;
}
/*
* Function: h5_dump_info_object
* Purpose: Display content of an MPI Info object
* Return: void
* Programmer: Albert Cheng 2002/05/21
* Modifications:
*/
void
h5_dump_info_object(MPI_Info info)
{
char key[MPI_MAX_INFO_KEY+1];
char value[MPI_MAX_INFO_VAL+1];
int flag;
int i, nkeys;
printf("Dumping MPI Info Object(%d) (up to %d bytes per item):\n", (int)info,
MPI_MAX_INFO_VAL);
if (info==MPI_INFO_NULL){
printf("object is MPI_INFO_NULL\n");
}
else {
MPI_Info_get_nkeys(info, &nkeys);
printf("object has %d items\n", nkeys);
for (i=0; i<nkeys; i++){
MPI_Info_get_nthkey(info, i, key);
MPI_Info_get(info, key, MPI_MAX_INFO_VAL, value, &flag);
printf("%s=%s\n", key, value);
}
}
}
#endif /* H5_HAVE_PARALLEL */
/*-------------------------------------------------------------------------
* Function: h5_get_file_size
*
* Purpose: Get the current size of a file (in bytes)
*
* Return: Success: Size of file in bytes
* Failure: -1
*
* Programmer: Quincey Koziol
* Saturday, March 22, 2003
*
*-------------------------------------------------------------------------
*/
h5_stat_size_t
h5_get_file_size(const char *filename, hid_t fapl)
{
char temp[2048]; /* Temporary buffer for file names */
h5_stat_t sb; /* Structure for querying file info */
int j = 0;
if(fapl == H5P_DEFAULT) {
/* Get the file's statistics */
if(0 == HDstat(filename, &sb))
return((h5_stat_size_t)sb.st_size);
} /* end if */
else {
hid_t driver; /* VFD used for file */
/* Get the driver used when creating the file */
if((driver = H5Pget_driver(fapl)) < 0)
return(-1);
/* Check for simple cases */
if(driver == H5FD_SEC2 || driver == H5FD_STDIO || driver == H5FD_CORE ||
#ifdef H5_HAVE_WINDOWS
driver == H5FD_WINDOWS ||
#endif /* H5_HAVE_WINDOWS */
#ifdef H5_HAVE_DIRECT
driver == H5FD_DIRECT ||
#endif /* H5_HAVE_DIRECT */
driver == H5FD_LOG) {
/* Get the file's statistics */
if(0 == HDstat(filename, &sb))
return((h5_stat_size_t)sb.st_size);
} /* end if */
else if(driver == H5FD_MULTI) {
H5FD_mem_t mt;
h5_stat_size_t tot_size = 0;
HDassert(HDstrlen(multi_letters) == H5FD_MEM_NTYPES);
for(mt = H5FD_MEM_DEFAULT; mt < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, mt)) {
/* Create the filename to query */
HDsnprintf(temp, sizeof temp, "%s-%c.h5", filename, multi_letters[mt]);
/* Check for existence of file */
if(0 == HDaccess(temp, F_OK)) {
/* Get the file's statistics */
if(0 != HDstat(temp, &sb))
return(-1);
/* Add to total size */
tot_size += (h5_stat_size_t)sb.st_size;
} /* end if */
} /* end for */
/* Return total size */
return(tot_size);
} /* end if */
#ifdef H5_HAVE_PARALLEL
else if(driver == H5FD_MPIO) {
MPI_File fh; /* MPI file handle used to open the file and verify its size */
int mpi_ret;
MPI_Offset file_size;
mpi_ret = MPI_File_open(MPI_COMM_WORLD, filename, MPI_MODE_RDONLY, MPI_INFO_NULL, &fh);
if (mpi_ret != MPI_SUCCESS) return -1;
mpi_ret = MPI_File_get_size(fh, &file_size);
if (mpi_ret != MPI_SUCCESS) return -1;
mpi_ret = MPI_File_close(&fh);
if (mpi_ret != MPI_SUCCESS) return -1;
return file_size;
}
#endif /* H5_HAVE_PARALLEL */
else if(driver == H5FD_FAMILY) {
h5_stat_size_t tot_size = 0;
/* Try all filenames possible, until we find one that's missing */
for(j = 0; /*void*/; j++) {
/* Create the filename to query */
HDsnprintf(temp, sizeof temp, filename, j);
/* Check for existence of file */
if(HDaccess(temp, F_OK) < 0)
break;
/* Get the file's statistics */
if(0 != HDstat(temp, &sb))
return(-1);
/* Add to total size */
tot_size += (h5_stat_size_t)sb.st_size;
} /* end for */
/* Return total size */
return(tot_size);
} /* end if */
else {
HDassert(0 && "Unknown VFD!");
} /* end else */
} /* end else */
return(-1);
} /* end get_file_size() */
/*
* This routine is designed to provide equivalent functionality to 'printf'
* and allow easy replacement for environments which don't have stdin/stdout
* available. (i.e. Windows & the Mac)
*/
int
print_func(const char *format, ...)
{
va_list arglist;
int ret_value;
va_start(arglist, format);
ret_value = vprintf(format, arglist);
va_end(arglist);
return ret_value;
}
#ifdef H5_HAVE_FILTER_SZIP
/*-------------------------------------------------------------------------
* Function: h5_szip_can_encode
*
* Purpose: Retrieve the filter config flags for szip, tell if
* encoder is available.
*
* Return: 1: decode+encode is enabled
* 0: only decode is enabled
* -1: other
*
* Programmer:
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
int h5_szip_can_encode(void )
{
unsigned int filter_config_flags;
H5Zget_filter_info(H5Z_FILTER_SZIP, &filter_config_flags);
if ((filter_config_flags &
(H5Z_FILTER_CONFIG_ENCODE_ENABLED|H5Z_FILTER_CONFIG_DECODE_ENABLED)) == 0) {
/* filter present but neither encode nor decode is supported (???) */
return -1;
} else if ((filter_config_flags &
(H5Z_FILTER_CONFIG_ENCODE_ENABLED|H5Z_FILTER_CONFIG_DECODE_ENABLED)) ==
H5Z_FILTER_CONFIG_DECODE_ENABLED) {
/* decoder only: read but not write */
return 0;
} else if ((filter_config_flags &
(H5Z_FILTER_CONFIG_ENCODE_ENABLED|H5Z_FILTER_CONFIG_DECODE_ENABLED)) ==
H5Z_FILTER_CONFIG_ENCODE_ENABLED) {
/* encoder only: write but not read (???) */
return -1;
} else if ((filter_config_flags &
(H5Z_FILTER_CONFIG_ENCODE_ENABLED|H5Z_FILTER_CONFIG_DECODE_ENABLED)) ==
(H5Z_FILTER_CONFIG_ENCODE_ENABLED|H5Z_FILTER_CONFIG_DECODE_ENABLED)) {
return 1;
}
return(-1);
}
#endif /* H5_HAVE_FILTER_SZIP */
#ifdef H5_HAVE_PARALLEL
/*-------------------------------------------------------------------------
* Function: getenv_all
*
* Purpose: Used to get the environment that the root MPI task has.
* name specifies which environment variable to look for
* val is the string to which the value of that environment
* variable will be copied.
*
* NOTE: The pointer returned by this function is only
* valid until the next call to getenv_all and the data
* stored there must be copied somewhere else before any
* further calls to getenv_all take place.
*
* Return: pointer to a string containing the value of the environment variable
* NULL if the varialbe doesn't exist in task 'root's environment.
*
* Programmer: Leon Arber
* 4/4/05
*
* Modifications:
* Use original getenv if MPI is not initialized. This happens
* one uses the PHDF5 library to build a serial nature code.
* Albert 2006/04/07
*
*-------------------------------------------------------------------------
*/
char *
getenv_all(MPI_Comm comm, int root, const char* name)
{
int mpi_size, mpi_rank, mpi_initialized, mpi_finalized;
int len;
static char* env = NULL;
assert(name);
MPI_Initialized(&mpi_initialized);
MPI_Finalized(&mpi_finalized);
if(mpi_initialized && !mpi_finalized) {
MPI_Comm_rank(comm, &mpi_rank);
MPI_Comm_size(comm, &mpi_size);
assert(root < mpi_size);
/* The root task does the getenv call
* and sends the result to the other tasks */
if(mpi_rank == root) {
env = HDgetenv(name);
if(env) {
len = (int)HDstrlen(env);
MPI_Bcast(&len, 1, MPI_INT, root, comm);
MPI_Bcast(env, len, MPI_CHAR, root, comm);
}
else {
/* len -1 indicates that the variable was not in the environment */
len = -1;
MPI_Bcast(&len, 1, MPI_INT, root, comm);
}
}
else {
MPI_Bcast(&len, 1, MPI_INT, root, comm);
if(len >= 0) {
if(env == NULL)
env = (char*) HDmalloc((size_t)len+1);
else if(HDstrlen(env) < (size_t)len)
env = (char*) HDrealloc(env, (size_t)len+1);
MPI_Bcast(env, len, MPI_CHAR, root, comm);
env[len] = '\0';
}
else {
if(env)
HDfree(env);
env = NULL;
}
}
#ifndef NDEBUG
MPI_Barrier(comm);
#endif
}
else {
/* use original getenv */
if(env)
HDfree(env);
env = HDgetenv(name);
} /* end if */
return env;
}
#endif
/*-------------------------------------------------------------------------
* Function: h5_make_local_copy
*
* Purpose: Make copy of file. Some tests write to data files under that
* are under version control. Those tests should make a copy of
* the versioned file and write to the copy. This function
* prepends srcdir to the name of the file to be copied and uses
* the name of the copy as is.
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Larry Knox
* Monday, October 13, 2009
*
*-------------------------------------------------------------------------
*/
int
h5_make_local_copy(const char *origfilename, const char *local_copy_name)
{
int fd_old = (-1), fd_new = (-1); /* File descriptors for copying data */
ssize_t nread; /* Number of bytes read in */
void *buf = NULL; /* Buffer for copying data */
const char *filename = H5_get_srcdir_filename(origfilename); /* Get the test file name to copy */
/* Allocate copy buffer */
if(NULL == (buf = HDcalloc((size_t)1, (size_t)READ_BUF_SIZE)))
goto error;
/* Copy old file into temporary file */
if((fd_old = HDopen(filename, O_RDONLY)) < 0)
goto error;
if((fd_new = HDopen(local_copy_name, O_RDWR|O_CREAT|O_TRUNC, H5_POSIX_CREATE_MODE_RW)) < 0)
goto error;
/* Copy data */
while((nread = HDread(fd_old, buf, (size_t)READ_BUF_SIZE)) > 0)
if(HDwrite(fd_new, buf, (size_t)nread) < 0)
goto error;
/* Close files */
if(HDclose(fd_old) < 0)
goto error;
if(HDclose(fd_new) < 0)
goto error;
/* Release memory */
HDfree(buf);
return 0;
error:
/* ignore return values since we're already noted the problem */
if(fd_old > 0)
HDclose(fd_old);
if(fd_new > 0)
HDclose(fd_new);
HDfree(buf);
return -1;
} /* end h5_make_local_copy() */
/*-------------------------------------------------------------------------
* Function: h5_verify_cached_stabs_cb
*
* Purpose: Callback function for h5_verify_cached_stabs.
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Neil Fortner
* Tuesday, April 12, 2011
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
h5_verify_cached_stabs_cb(hid_t oid, const char H5_ATTR_UNUSED *name,
const H5O_info_t *oinfo, void H5_ATTR_UNUSED *udata)
{
if(oinfo->type == H5O_TYPE_GROUP)
return(H5G__verify_cached_stabs_test(oid));
else
return(0);
} /* end h5_verify_cached_stabs_cb() */
/*-------------------------------------------------------------------------
* Function: h5_verify_cached_stabs
*
* Purpose: Verify that all groups in every file in base_name have
* their symbol table information cached (if present, and if
* the parent group also uses a symbol table). Does not
* check that the root group's symbol table information is
* cached in the superblock.
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Neil Fortner
* Tuesday, April 12, 2011
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
herr_t
h5_verify_cached_stabs(const char *base_name[], hid_t fapl)
{
hid_t file = -1;
char filename[1024];
int i = 0;
while(base_name[i]) {
if (h5_fixname(base_name[i], fapl, filename, sizeof(filename)) == NULL)
continue;
H5E_BEGIN_TRY {
file = H5Fopen(filename, H5F_ACC_RDONLY, fapl);
} H5E_END_TRY
if(file < 0) {
i++;
continue;
} /* end if */
if(H5Ovisit(file, H5_INDEX_NAME, H5_ITER_NATIVE,
h5_verify_cached_stabs_cb, NULL) < 0)
goto error;
if(H5Fclose(file) < 0)
goto error;
file = -1;
i++;
} /* end while */
return 0;
error:
H5E_BEGIN_TRY {
H5Fclose(file);
} H5E_END_TRY;
return -1;
}
/*-------------------------------------------------------------------------
* Function: h5_send_message
*
* Purpose: Sends the specified signal.
*
* In terms of this test framework, a signal consists of a file
* on disk. Since there are multiple processes that need to
* communicate with each other, they do so by writing and
* reading signal files on disk, the names and contents of
* which are used to inform a process about when it can
* proceed and what it should do next.
*
* This function writes a signal file. The first argument is
* the name of the signal file, and the second and third
* arguments are the contents of the first two lines of the
* signal file. The last two arguments may be NULL.
*
* Return: void
*
* Programmer: Mike McGreevy
* August 18, 2010
*
*-------------------------------------------------------------------------
*/
void
h5_send_message(const char *send, const char *arg1, const char *arg2)
{
FILE *signalfile = NULL;
/* Create signal file (which will send signal to some other process) */
signalfile = HDfopen(TMP_SIGNAL_FILE, "w+");
/* Write messages to signal file, if provided */
if(arg2 != NULL) {
HDassert(arg1);
HDfprintf(signalfile, "%s\n%s\n", arg1, arg2);
} /* end if */
else if(arg1 != NULL) {
HDassert(arg2 == NULL);
HDfprintf(signalfile, "%s\n", arg1);
} /* end if */
else {
HDassert(arg1 == NULL);
HDassert(arg2 == NULL);
}/* end else */
HDfclose(signalfile);
HDrename(TMP_SIGNAL_FILE, send);
} /* h5_send_message() */
/*-------------------------------------------------------------------------
* Function: h5_wait_message
*
* Purpose: Waits for the specified signal.
*
* In terms of this test framework, a signal consists of a file
* on disk. Since there are multiple processes that need to
* communicate with each other, they do so by writing and
* reading signal files on disk, the names and contents of
* which are used to inform a process about when it can
* proceed and what it should do next.
*
* This function continuously attempts to read the specified
* signal file from disk, and only continues once it has
* successfully done so (i.e., only after another process has
* called the "h5_send_message" function to write the signal file).
* This functon will then immediately remove the file (i.e.,
* to indicate that it has been received and can be reused),
* and then exits, allowing the calling function to continue.
*
* Return: void
*
* Programmer: Mike McGreevy
* August 18, 2010
*
*-------------------------------------------------------------------------
*/
herr_t
h5_wait_message(const char *waitfor)
{
FILE *returnfile;
time_t t0,t1;
/* Start timer. If this function runs for too long (i.e.,
expected signal is never received), it will
return failure */
HDtime(&t0);
/* Wait for return signal from some other process */
while ((returnfile = HDfopen(waitfor, "r")) == NULL) {
/* make note of current time. */
HDtime(&t1);
/* If we've been waiting for a signal for too long, then
it was likely never sent and we should fail rather
than loop infinitely */
if(HDdifftime(t1, t0) > MESSAGE_TIMEOUT) {
HDfprintf(stdout, "Error communicating between processes. Make sure test script is running.\n");
TEST_ERROR;
} /* end if */
} /* end while */
HDfclose(returnfile);
HDunlink(waitfor);
return SUCCEED;
error:
return FAIL;
} /* h5_wait_message() */
/*-------------------------------------------------------------------------
* Function: h5_get_dummy_vfd_class()
*
* Purpose: Returns a disposable, generally non-functional,
* VFD class struct.
*
* In some of the test code, we need a disposable VFD but
* we don't want to mess with the real VFDs and we also
* don't have access to the internals of the real VFDs (which
* use static globals and functions) to easily duplicate
* them (e.g.: for testing VFD ID handling).
*
* This API call will return a pointer to a VFD class that
* can be used to construct a test VFD using H5FDregister().
*
* Return: Success: A pointer to a VFD class struct
* Failure: NULL
*
*-------------------------------------------------------------------------
*/
H5FD_class_t *
h5_get_dummy_vfd_class(void)
{
H5FD_class_t *vfd_class = NULL;
if(NULL == (vfd_class = (H5FD_class_t *)HDmalloc(sizeof(H5FD_class_t))))
TEST_ERROR;
HDmemcpy(vfd_class, &dummy_vfd_class_g, sizeof(H5FD_class_t));
return vfd_class;
error:
if(vfd_class)
HDfree(vfd_class);
return NULL;
} /* h5_get_dummy_vfd_class */
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