/*
- * DEBUG: section 21 Time Functions
- * AUTHOR: Harvest Derived
- *
- * SQUID Web Proxy Cache http://www.squid-cache.org/
- * ----------------------------------------------------------
- *
- * Squid is the result of efforts by numerous individuals from
- * the Internet community; see the CONTRIBUTORS file for full
- * details. Many organizations have provided support for Squid's
- * development; see the SPONSORS file for full details. Squid is
- * Copyrighted (C) 2001 by the Regents of the University of
- * California; see the COPYRIGHT file for full details. Squid
- * incorporates software developed and/or copyrighted by other
- * sources; see the CREDITS file for full details.
- *
- * This program 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 2 of the License, or
- * (at your option) any later version.
- *
- * 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; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+ * Copyright (C) 1996-2020 The Squid Software Foundation and contributors
*
+ * Squid software is distributed under GPLv2+ license and includes
+ * contributions from numerous individuals and organizations.
+ * Please see the COPYING and CONTRIBUTORS files for details.
*/
+
+/* DEBUG: section 21 Time Functions */
+
#ifndef SQUID_TIME_H
#define SQUID_TIME_H
#include <ctime>
/* NP: sys/time.h is provided by libcompat */
+/* Use uint64_t to store milliseconds */
+typedef uint64_t time_msec_t;
+
/* globals for accessing time */
extern struct timeval current_time;
extern double current_dtime;
time_t getCurrentTime(void);
int tvSubMsec(struct timeval, struct timeval);
+/// timeval substraction operation
+/// \param[out] res = t2 - t1
+void tvSub(struct timeval &res, struct timeval const &t1, struct timeval const &t2);
+
+/// timeval addition operation
+/// \param[out] res = t1 + t2
+void tvAdd(struct timeval &res, struct timeval const &t1, struct timeval const &t2);
+
+/// timeval addition assignment operation
+/// \param[out] t += add
+void tvAssignAdd(struct timeval &t, struct timeval const &add);
+
+/// Convert timeval to milliseconds
+inline long int tvToMsec(struct timeval &t)
+{
+ return t.tv_sec * 1000 + t.tv_usec / 1000;
+}
+
/** event class for doing synthetic time etc */
class TimeEngine
{
} // namespace Time
#endif /* SQUID_TIME_H */
+