From 8e8ce31dc422c0116ae2866d5874ef70fbb21f57 Mon Sep 17 00:00:00 2001 From: Christian Pointner Date: Sat, 16 Jun 2007 00:34:44 +0000 Subject: removed openvpn source files tundevice can now be compiled added main added some helper classes --- openvpn/otime.h | 206 -------------------------------------------------------- 1 file changed, 206 deletions(-) delete mode 100644 openvpn/otime.h (limited to 'openvpn/otime.h') diff --git a/openvpn/otime.h b/openvpn/otime.h deleted file mode 100644 index 974d0af..0000000 --- a/openvpn/otime.h +++ /dev/null @@ -1,206 +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) 2002-2005 OpenVPN Solutions LLC - * - * 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" -#include "thread.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 volatile time_t now; /* updated frequently to time(NULL) */ - -static inline void -update_time (void) -{ - const time_t real_time = time (NULL); - if (real_time != now) - now = real_time; -} - -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 -- cgit v1.2.3