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-/* -*- C++ -*- */
-// $Id$
-/*
- * Copyright (c) 1995 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the Network Research
- * Group at Lawrence Berkeley National Laboratory.
- * 4. Neither the name of the University nor of the Laboratory may be used
- * to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#) $Header$
- */
-#ifndef TAO_AV_NTP_TIME_H
-#define TAO_AV_NTP_TIME_H
-
-#include "ace/OS.h"
-#include "RTCP.h"
-
-/*
- * convert microseconds to fraction of second * 2^32 (i.e., the lsw of
- * a 64-bit ntp timestamp). This routine uses the factorization
- * 2^32/10^6 = 4096 + 256 - 1825/32 which results in a max conversion
- * error of 3 * 10^-7 and an average error of half that.
- */
-ACE_INLINE u_int usec2ntp(u_int usec)
-{
- u_int t = (usec * 1825) >> 5;
- return ((usec << 12) + (usec << 8) - t);
-}
-
-/*
- * Number of seconds between 1-Jan-1900 and 1-Jan-1970
- */
-const ACE_UINT32 GETTIMEOFDAY_TO_NTP_OFFSET = 2208988800U;
-
-/*
- * Return a 64-bit ntp timestamp (UTC time relative to Jan 1, 1970).
- * gettimeofday conveniently gives us the correct reference -- we just
- * need to convert sec+usec to a 64-bit fixed point (with binary point
- * at bit 32).
- */
-ACE_INLINE TAO_AV_RTCP::ntp64
-ntp64time (timeval tv)
-{
- TAO_AV_RTCP::ntp64 n;
- n.upper = (u_int)tv.tv_sec + GETTIMEOFDAY_TO_NTP_OFFSET;
- n.lower = usec2ntp((u_int)tv.tv_usec);
- return (n);
-}
-
-ACE_INLINE ACE_UINT32
-ntptime (timeval t)
-{
- u_int s = (u_int)t.tv_sec + GETTIMEOFDAY_TO_NTP_OFFSET;
- return (s << 16 | usec2ntp((u_int)t.tv_usec) >> 16);
-}
-
-ACE_INLINE ACE_UINT32
-ntptime()
-{
- //
- ACE_Time_Value tim_v = ACE_OS::gettimeofday();
- //struct timeval tv = (timeval) tim_v;
- return (ntptime ((timeval) tim_v));
-}
-
-ACE_INLINE timeval unixtime()
-{
- ACE_Time_Value tv = ACE_OS::gettimeofday();
- return ((timeval) tv);
-}
-#endif /* TAO_AV_NTP_TIME_H */