summaryrefslogtreecommitdiff
path: root/otime.h
diff options
context:
space:
mode:
Diffstat (limited to 'otime.h')
-rw-r--r--otime.h271
1 files changed, 0 insertions, 271 deletions
diff --git a/otime.h b/otime.h
deleted file mode 100644
index fd73bbd..0000000
--- a/otime.h
+++ /dev/null
@@ -1,271 +0,0 @@
-/*
- * OpenVPN -- An application to securely tunnel IP networks
- * over a single TCP/UDP port, with support for SSL/TLS-based
- * session authentication and key exchange,
- * packet encryption, packet authentication, and
- * packet compression.
- *
- * Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
- *
- * This program 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 this program (see the file COPYING included with this
- * distribution); if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#ifndef OTIME_H
-#define OTIME_H
-
-#include "common.h"
-#include "integer.h"
-#include "buffer.h"
-
-struct frequency_limit
-{
- int max;
- int per;
- int n;
- time_t reset;
-};
-
-struct frequency_limit *frequency_limit_init (int max, int per);
-void frequency_limit_free (struct frequency_limit *f);
-bool frequency_limit_event_allowed (struct frequency_limit *f);
-
-#ifdef WIN32
-int gettimeofday(struct timeval *tv, void *tz);
-#endif
-
-/* format a time_t as ascii, or use current time if 0 */
-const char* time_string (time_t t, int usec, bool show_usec, struct gc_arena *gc);
-
-/* struct timeval functions */
-
-const char *tv_string (const struct timeval *tv, struct gc_arena *gc);
-const char *tv_string_abs (const struct timeval *tv, struct gc_arena *gc);
-
-extern time_t now; /* updated frequently to time(NULL) */
-
-void time_test (void);
-
-#if TIME_BACKTRACK_PROTECTION && defined(HAVE_GETTIMEOFDAY)
-
-void update_now (const time_t system_time);
-
-extern time_t now_usec;
-void update_now_usec (struct timeval *tv);
-
-static inline int
-openvpn_gettimeofday (struct timeval *tv, void *tz)
-{
- const int status = gettimeofday (tv, tz);
- if (!status)
- {
- update_now_usec (tv);
- tv->tv_sec = now;
- tv->tv_usec = now_usec;
- }
- return status;
-}
-
-static inline void
-update_time (void)
-{
-#ifdef WIN32
- /* on WIN32, gettimeofday is faster than time(NULL) */
- struct timeval tv;
- openvpn_gettimeofday (&tv, NULL);
-#else
- update_now (time (NULL));
-#endif
-}
-
-#else /* !(TIME_BACKTRACK_PROTECTION && defined(HAVE_GETTIMEOFDAY)) */
-
-static inline void
-update_time (void)
-{
-#if defined(WIN32) && defined(HAVE_GETTIMEOFDAY)
- struct timeval tv;
- if (!gettimeofday (&tv, NULL))
- {
- if (tv.tv_sec != now)
- now = tv.tv_sec;
- }
-#else
- const time_t real_time = time (NULL);
- if (real_time != now)
- now = real_time;
-#endif
-}
-
-#ifdef HAVE_GETTIMEOFDAY
-
-static inline int
-openvpn_gettimeofday (struct timeval *tv, void *tz)
-{
- return gettimeofday (tv, tz);
-}
-
-#endif
-
-#endif /* TIME_BACKTRACK_PROTECTION && defined(HAVE_GETTIMEOFDAY) */
-
-static inline time_t
-openvpn_time (time_t *t)
-{
- update_time ();
- if (t)
- *t = now;
- return now;
-}
-
-static inline void
-tv_clear (struct timeval *tv)
-{
- tv->tv_sec = 0;
- tv->tv_usec = 0;
-}
-
-static inline bool
-tv_defined (const struct timeval *tv)
-{
- return tv->tv_sec > 0 && tv->tv_usec > 0;
-}
-
-/* return tv1 - tv2 in usec, constrained by max_seconds */
-static inline int
-tv_subtract (const struct timeval *tv1, const struct timeval *tv2, const unsigned int max_seconds)
-{
- const int max_usec = max_seconds * 1000000;
- const int sec_diff = tv1->tv_sec - tv2->tv_sec;
-
- if (sec_diff > ((int)max_seconds + 10))
- return max_usec;
- else if (sec_diff < -((int)max_seconds + 10))
- return -max_usec;
- return constrain_int (sec_diff * 1000000 + (tv1->tv_usec - tv2->tv_usec), -max_usec, max_usec);
-}
-
-static inline void
-tv_add (struct timeval *dest, const struct timeval *src)
-{
- dest->tv_sec += src->tv_sec;
- dest->tv_usec += src->tv_usec;
- dest->tv_sec += (dest->tv_usec >> 20);
- dest->tv_usec &= 0x000FFFFF;
- if (dest->tv_usec >= 1000000)
- {
- dest->tv_usec -= 1000000;
- dest->tv_sec += 1;
- }
-}
-
-static inline bool
-tv_lt (const struct timeval *t1, const struct timeval *t2)
-{
- if (t1->tv_sec < t2->tv_sec)
- return true;
- else if (t1->tv_sec > t2->tv_sec)
- return false;
- else
- return t1->tv_usec < t2->tv_usec;
-}
-
-static inline bool
-tv_le (const struct timeval *t1, const struct timeval *t2)
-{
- if (t1->tv_sec < t2->tv_sec)
- return true;
- else if (t1->tv_sec > t2->tv_sec)
- return false;
- else
- return t1->tv_usec <= t2->tv_usec;
-}
-
-static inline bool
-tv_ge (const struct timeval *t1, const struct timeval *t2)
-{
- if (t1->tv_sec > t2->tv_sec)
- return true;
- else if (t1->tv_sec < t2->tv_sec)
- return false;
- else
- return t1->tv_usec >= t2->tv_usec;
-}
-
-static inline bool
-tv_gt (const struct timeval *t1, const struct timeval *t2)
-{
- if (t1->tv_sec > t2->tv_sec)
- return true;
- else if (t1->tv_sec < t2->tv_sec)
- return false;
- else
- return t1->tv_usec > t2->tv_usec;
-}
-
-static inline bool
-tv_eq (const struct timeval *t1, const struct timeval *t2)
-{
- return t1->tv_sec == t2->tv_sec && t1->tv_usec == t2->tv_usec;
-}
-
-static inline void
-tv_delta (struct timeval *dest, const struct timeval *t1, const struct timeval *t2)
-{
- int sec = t2->tv_sec - t1->tv_sec;
- int usec = t2->tv_usec - t1->tv_usec;
-
- while (usec < 0)
- {
- usec += 1000000;
- sec -= 1;
- }
-
- if (sec < 0)
- usec = sec = 0;
-
- dest->tv_sec = sec;
- dest->tv_usec = usec;
-}
-
-#define TV_WITHIN_SIGMA_MAX_SEC 600
-#define TV_WITHIN_SIGMA_MAX_USEC (TV_WITHIN_SIGMA_MAX_SEC * 1000000)
-
-/*
- * Is t1 and t2 within sigma microseconds of each other?
- */
-static inline bool
-tv_within_sigma (const struct timeval *t1, const struct timeval *t2, unsigned int sigma)
-{
- const int delta = tv_subtract (t1, t2, TV_WITHIN_SIGMA_MAX_SEC); /* sigma should be less than 10 minutes */
- return -(int)sigma <= delta && delta <= (int)sigma;
-}
-
-/*
- * Used to determine in how many seconds we should be
- * called again.
- */
-static inline void
-interval_earliest_wakeup (interval_t *wakeup, time_t at, time_t current) {
- if (at > current)
- {
- const interval_t delta = (interval_t) (at - current);
- if (delta < *wakeup)
- *wakeup = delta;
- if (*wakeup < 0)
- *wakeup = 0;
- }
-}
-
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-31 00:37:33 +0000