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/*
* Copyright (C) 2018 Red Hat, Inc.
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* GnuTLS 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 of the License, or
* (at your option) any later version.
*
* GnuTLS 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 Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>
*/
#ifndef GNUTLS_TESTS_VIRT_TIME_H
#define GNUTLS_TESTS_VIRT_TIME_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <time.h>
#include <gnutls/gnutls.h>
/* copied from ../lib/system.h so not to include that header from
* every test program */
typedef void (*gnutls_gettime_func) (struct timespec *);
extern void _gnutls_global_set_gettime_function(gnutls_gettime_func gettime_func);
/* virtualize time in a test. This freezes the time in the test, except for
* the advances due to calls to virt_sleep_sec(). This makes the test
* independent of the test system load, and avoids any long delays. */
static time_t _now;
static struct timespec _now_ts;
#define virt_sec_sleep(s) { \
_now += s; \
_now_ts.tv_sec += s; \
}
#define virt_time_init() { \
_now = time(0); \
gnutls_global_set_time_function(mytime); \
_now_ts.tv_sec = _now; \
_now_ts.tv_nsec = 0; \
_gnutls_global_set_gettime_function(mygettime); \
}
static time_t mytime(time_t * t)
{
if (t)
*t = _now;
return _now;
}
static void mygettime(struct timespec * t)
{
if (t)
*t = _now_ts;
}
#endif /* GNUTLS_TESTS_VIRT_TIME_H */
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