hdf5/perform/pio_standalone.c
Albert Cheng ed7d456e51 [svn-r13253] Updated all C and C++ style source code files with the THG copyright notice.
Tested platform:
Kagiso only since it is only a comment block change.  If it works in one
machine, it should work in all, I hope.  Still need to check the parallel
build on copper.
2007-02-07 09:56:24 -05:00

283 lines
8.5 KiB
C

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* This file contains the definition of functions required to build h5perf in
* STANDALONE mode.
* Created: Christian Chilan, 2005/5/18.
*/
#include "pio_perf.h"
/** From h5tools_utils.c **/
/* global variables */
int nCols = 80;
/* ``get_option'' variables */
int opt_err = 1; /*get_option prints errors if this is on */
int opt_ind = 1; /*token pointer */
const char *opt_arg; /*flag argument (or value) */
int
get_option(int argc, const char **argv, const char *opts, const struct long_options *l_opts)
{
static int sp = 1; /* character index in current token */
int opt_opt = '?'; /* option character passed back to user */
if (sp == 1) {
/* check for more flag-like tokens */
if (opt_ind >= argc || argv[opt_ind][0] != '-' || argv[opt_ind][1] == '\0') {
return EOF;
} else if (HDstrcmp(argv[opt_ind], "--") == 0) {
opt_ind++;
return EOF;
}
}
if (sp == 1 && argv[opt_ind][0] == '-' && argv[opt_ind][1] == '-') {
/* long command line option */
const char *arg = &argv[opt_ind][2];
int i;
for (i = 0; l_opts && l_opts[i].name; i++) {
size_t len = HDstrlen(l_opts[i].name);
if (HDstrncmp(arg, l_opts[i].name, len) == 0) {
/* we've found a matching long command line flag */
opt_opt = l_opts[i].shortval;
if (l_opts[i].has_arg != no_arg) {
if (arg[len] == '=') {
opt_arg = &arg[len + 1];
} else if (opt_ind < (argc - 1) && argv[opt_ind + 1][0] != '-') {
opt_arg = argv[++opt_ind];
} else if (l_opts[i].has_arg == require_arg) {
if (opt_err)
HDfprintf(stderr,
"%s: option required for \"--%s\" flag\n",
argv[0], arg);
opt_opt = '?';
}
} else {
if (arg[len] == '=') {
if (opt_err)
HDfprintf(stderr,
"%s: no option required for \"%s\" flag\n",
argv[0], arg);
opt_opt = '?';
}
opt_arg = NULL;
}
break;
}
}
if (l_opts[i].name == NULL) {
/* exhausted all of the l_opts we have and still didn't match */
if (opt_err)
HDfprintf(stderr, "%s: unknown option \"%s\"\n", argv[0], arg);
opt_opt = '?';
}
opt_ind++;
sp = 1;
} else {
register char *cp; /* pointer into current token */
/* short command line option */
opt_opt = argv[opt_ind][sp];
if (opt_opt == ':' || (cp = strchr(opts, opt_opt)) == 0) {
if (opt_err)
HDfprintf(stderr, "%s: unknown option \"%c\"\n",
argv[0], opt_opt);
/* if no chars left in this token, move to next token */
if (argv[opt_ind][++sp] == '\0') {
opt_ind++;
sp = 1;
}
return '?';
}
if (*++cp == ':') {
/* if a value is expected, get it */
if (argv[opt_ind][sp + 1] != '\0') {
/* flag value is rest of current token */
opt_arg = &argv[opt_ind++][sp + 1];
} else if (++opt_ind >= argc) {
if (opt_err)
HDfprintf(stderr,
"%s: value expected for option \"%c\"\n",
argv[0], opt_opt);
opt_opt = '?';
} else {
/* flag value is next token */
opt_arg = argv[opt_ind++];
}
sp = 1;
} else {
/* set up to look at next char in token, next time */
if (argv[opt_ind][++sp] == '\0') {
/* no more in current token, so setup next token */
opt_ind++;
sp = 1;
}
opt_arg = NULL;
}
}
/* return the current flag character found */
return opt_opt;
}
void
print_version(const char *progname)
{
printf("%s: Version %u.%u.%u%s%s\n",
progname, H5_VERS_MAJOR, H5_VERS_MINOR, H5_VERS_RELEASE,
H5_VERS_SUBRELEASE[0] ? "-" : "", H5_VERS_SUBRELEASE);
}
/** From h5test.c **/
#ifdef H5_HAVE_PARALLEL
MPI_Info h5_io_info_g=MPI_INFO_NULL;/* MPI INFO object for IO */
#endif
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);
/* 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 = calloc(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++;
/* eat up any ending white spaces */
endp = &namep[strlen(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;
}
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);
}
}
}