94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
/*
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* This file is part of the Sofia-SIP package
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*
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* Copyright (C) 2005 Nokia Corporation.
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*
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* Contact: Pekka Pessi <pekka.pessi@nokia.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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/**@ingroup su_time
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* @CFILE su_time0.c
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* @brief su_time() implementation
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*
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* The file su_time0.c contains implementation of OS-independent wallclock
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* time with microsecond resolution.
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*
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* @author Pekka Pessi <Pekka.Pessi@nokia.com>
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* @author Jari Selin <Jari.Selin@nokia.com>
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*
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* @date Created: Fri May 10 18:13:19 2002 ppessi
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include "sofia-sip/su_types.h"
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#include "sofia-sip/su_time.h"
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#include "su_module_debug.h"
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#if HAVE_SYS_TIME_H
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#include <sys/time.h> /* Get struct timeval */
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#endif
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#if defined(__MINGW32__)
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#define HAVE_FILETIME 1
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#include <windows.h>
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#endif
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#if HAVE_FILETIME
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#define HAVE_FILETIME 1
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#include <windows.h>
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#endif
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/** Seconds from 1.1.1900 to 1.1.1970 */
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#define NTP_EPOCH 2208988800UL
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/** Get current time.
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*
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* The function @c su_time() fills its argument with the current NTP
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* timestamp expressed as a su_time_t structure.
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*
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* @param tv pointer to the timeval object
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*/
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void su_time(su_time_t *tv)
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{
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#if HAVE_GETTIMEOFDAY
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if (tv) {
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gettimeofday((struct timeval *)tv, NULL);
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tv->tv_sec += NTP_EPOCH;
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}
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#elif HAVE_FILETIME
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union {
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FILETIME ft[1];
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ULARGE_INTEGER ull[1];
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} date;
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GetSystemTimeAsFileTime(date.ft);
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tv->tv_usec = (unsigned long) ((date.ull->QuadPart % 10000000U) / 10);
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tv->tv_sec = (unsigned long) ((date.ull->QuadPart / 10000000U) -
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/* 1900-Jan-01 - 1601-Jan-01: 299 years, 72 leap years */
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(299 * 365 + 72) * 24 * 60 * (uint64_t)60);
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#else
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#error no su_time() implementation
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#endif
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}
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