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/*
This file is part of GNUnet.
(C) 2012 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file src/regex/perf-regex.c
* @brief Test how long it takes to create a automaton from a string regex.
* @author Bartlomiej Polot
*/
#include <regex.h>
#include <time.h>
#include "platform.h"
#include "gnunet_regex_lib.h"
#include "regex_test_lib.h"
static const char *exe;
static void
usage(void)
{
fprintf (stderr, "Usage: %s REGEX_FILE COMPRESSION\n", exe);
}
/**
* The main function of the regex performace test.
*
* Read a set of regex from a file, combine them and create a DFA from the
* resulting combined regex.
*
* @param argc number of arguments from the command line
* @param argv command line arguments
* @return 0 ok, 1 on error
*/
int
main (int argc, char *const *argv)
{
struct GNUNET_REGEX_Automaton* dfa;
char **regexes;
char *buffer;
char *regex;
int compression;
long size;
GNUNET_log_setup ("perf-regex", "DEBUG", NULL);
exe = argv[0];
if (3 != argc)
{
usage();
return 1;
}
regexes = GNUNET_REGEX_read_from_file (argv[1]);
if (NULL == regexes)
{
usage();
return 2;
}
buffer = GNUNET_REGEX_combine (regexes);
GNUNET_asprintf (®ex, "GNVPN-0001-PAD(%s)(0|1)*", buffer);
size = strlen (regex);
fprintf (stderr, "Combined regex (%ld bytes):\n%s\n", size, regex);
// return 0;
compression = atoi (argv[2]);
dfa = GNUNET_REGEX_construct_dfa (regex, size, compression);
GNUNET_REGEX_automaton_destroy (dfa);
GNUNET_free (buffer);
GNUNET_REGEX_free_from_file (regexes);
return 0;
}
/* end of prof-regex.c */
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