+++ /dev/null
-// timestamp.hxx -- class for managing a timestamp (seconds & milliseconds.)
-//
-// Written by Curtis Olson, started December 1998.
-//
-// Copyright (C) 1998 Curtis L. Olson - curt@flightgear.org
-//
-// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
-//
-// $Id$
-
-
-#ifndef _TIMESTAMP_HXX
-#define _TIMESTAMP_HXX
-
-
-#ifndef __cplusplus
-# error This library requires C++
-#endif
-
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#ifdef HAVE_WINDOWS_H
-# include <windows.h>
-#endif
-
-#include <simgear/compiler.h>
-
-#ifdef FG_HAVE_STD_INCLUDES
-# include <ctime>
-#else
-# include <time.h>
-#endif
-
-#ifdef HAVE_SYS_TIMEB_H
-# include <sys/timeb.h> // for ftime() and struct timeb
-#endif
-#ifdef HAVE_UNISTD_H
-# include <unistd.h> // for gettimeofday()
-#endif
-#ifdef HAVE_SYS_TIME_H
-# include <sys/time.h> // for get/setitimer, gettimeofday, struct timeval
-#endif
-
-// -dw- want to use metrowerks time.h
-#ifdef macintosh
-# include <time.h>
-# include <timer.h>
-#endif
-
-#ifdef WIN32
-# include <windows.h>
-# if defined( __CYGWIN__ ) || defined( __CYGWIN32__ )
-# define NEAR /* */
-# define FAR /* */
-# endif
-# include <mmsystem.h>
-#endif
-
-// MSVC++ 6.0 kuldge - Need forward declaration of friends.
-class FGTimeStamp;
-FGTimeStamp operator + (const FGTimeStamp& t, const long& m);
-long operator - (const FGTimeStamp& a, const FGTimeStamp& b);
-
-class FGTimeStamp {
-
-private:
-
- long seconds;
- long usec;
-
-public:
-
- FGTimeStamp();
- FGTimeStamp( const long s, const long m );
- ~FGTimeStamp();
-
- // Set time to current time
- void stamp();
-
- FGTimeStamp& operator = ( const FGTimeStamp& t );
-
- friend FGTimeStamp operator + (const FGTimeStamp& t, const long& m);
- friend long operator - (const FGTimeStamp& a, const FGTimeStamp& b);
-
- inline long get_seconds() const { return seconds; }
- // inline long get_usec() const { return usec; }
-};
-
-inline FGTimeStamp::FGTimeStamp() {
-}
-
-inline FGTimeStamp::FGTimeStamp( const long s, const long u ) {
- seconds = s;
- usec = u;
-}
-
-inline FGTimeStamp::~FGTimeStamp() {
-}
-
-inline FGTimeStamp& FGTimeStamp::operator = (const FGTimeStamp& t)
-{
- seconds = t.seconds;
- usec = t.usec;
- return *this;
-}
-
-inline void FGTimeStamp::stamp() {
-#if defined( WIN32 )
- unsigned int t;
- t = timeGetTime();
- seconds = 0;
- usec = t * 1000;
-#elif defined( HAVE_GETTIMEOFDAY )
- struct timeval current;
- struct timezone tz;
- // fg_timestamp currtime;
- gettimeofday(¤t, &tz);
- seconds = current.tv_sec;
- usec = current.tv_usec;
-#elif defined( HAVE_GETLOCALTIME )
- SYSTEMTIME current;
- GetLocalTime(¤t);
- seconds = current.wSecond;
- usec = current.wMilliseconds * 1000;
-#elif defined( HAVE_FTIME )
- struct timeb current;
- ftime(¤t);
- seconds = current.time;
- usec = current.millitm * 1000;
-// -dw- uses time manager
-#elif defined( macintosh )
- UnsignedWide ms;
- Microseconds(&ms);
-
- seconds = ms.lo / 1000000;
- usec = ms.lo - ( seconds * 1000000 );
-#else
-# error Port me
-#endif
-}
-
-// increment the time stamp by the number of microseconds (usec)
-inline FGTimeStamp operator + (const FGTimeStamp& t, const long& m) {
-#ifdef WIN32
- return FGTimeStamp( 0, t.usec + m );
-#else
- return FGTimeStamp( t.seconds + ( t.usec + m ) / 1000000,
- ( t.usec + m ) % 1000000 );
-#endif
-}
-
-// difference between time stamps in microseconds (usec)
-inline long operator - (const FGTimeStamp& a, const FGTimeStamp& b)
-{
-#if defined( WIN32 )
- return a.usec - b.usec;
-#else
- return 1000000 * (a.seconds - b.seconds) + (a.usec - b.usec);
-#endif
-}
-
-
-#endif // _TIMESTAMP_HXX
-
-
projects / flightgear.git / commitdiff