VTime.hxx
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- #ifndef VTIME_H_
- #define VTIME_H_
- /* ====================================================================
- * The Vovida Software License, Version 1.0
- *
- * Copyright (c) 2000 Vovida Networks, Inc. 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. The names "VOCAL", "Vovida Open Communication Application Library",
- * and "Vovida Open Communication Application Library (VOCAL)" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact vocal@vovida.org.
- *
- * 4. Products derived from this software may not be called "VOCAL", nor
- * may "VOCAL" appear in their name, without prior written
- * permission of Vovida Networks, Inc.
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
- * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL VOVIDA
- * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
- * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * ====================================================================
- *
- * This software consists of voluntary contributions made by Vovida
- * Networks, Inc. and many individuals on behalf of Vovida Networks,
- * Inc. For more information on Vovida Networks, Inc., please see
- * <http://www.vovida.org/>.
- *
- */
- static const char* const VTimeHeaderVersion =
- "$Id: VTime.hxx,v 1.15 2001/06/27 22:56:20 bko Exp $";
- #ifdef __vxworks
- #include <time.h>
- #include <sys/times.h>
- /**
- ** Operates the same as linux gettimeofday() except the
- ** usec field of struct timeval is rounded to nearest msec
- ** (eg. usec = msec*1000)
- */
- int
- gettimeofday (struct timeval *tv, struct timezone *tz);
- #else
- #include "global.h"
- #if !defined(WIN32)
- #include <sys/time.h>
- #endif
- #endif
- // __vxworks
- #ifdef WIN32
- #ifndef VOCAL_TOOLCHAIN_MSGNU
- #include "StdAfx.h"
- #endif
- int
- gettimeofday (struct timeval *tv, struct timezone *tz);
- using namespace std;
- #endif // WIN32
- #include <sys/types.h>
- #include "vtypes.h"
- // stuff here
- #include <string>
- /** Class VThread
- ** Defines a time class which provides means of
- ** creating, adding, subtracting, and comparing times.
- ** VTime objects contain a second component and a fraction of second
- ** component. Both may be specified and accessed by the user.
- ** Routines to add and subtract times in terms of milliseconds are
- ** also provided.
- **/
- class VTime
- {
- public:
- /// Create VTime object with specified seconds and fraction of a second.
- VTime( u_int32_t sec, u_int32_t frac ): seconds(sec), fractional(frac)
- {}
- ;
- /// Create a new VTime object with the current system time.
- VTime()
- {
- *this = getVTime();
- };
- /// Access functions
- u_int32_t getSeconds()
- {
- return seconds;
- };
- u_int32_t getFractional()
- {
- return fractional;
- };
- /// Display time stored in VTime in decimal notation
- void print();
- static string strftime(const string & format);
- private:
- // this is the numbers of seconds
- u_int32_t seconds;
- /** this is the fraction of the second. 1 second == 2^32 fractional .
- */
- u_int32_t fractional;
- /// add specified number of milliseconds to VTime
- friend VTime operator+( const VTime& lhs , const unsigned int msec );
- /// subtract specified number of milliseconds from VTime
- friend VTime operator-( const VTime& lhs , const unsigned int msec );
- /// returns difference in terms of milliseconds, or 0 if rhs > lhs
- friend int operator-( const VTime& lhs , const VTime& rhs );
- friend bool operator==( const VTime& lhs , const VTime& rhs );
- friend bool operator<( const VTime& lhs , const VTime& rhs );
- friend bool operator>( const VTime& lhs , const VTime& rhs );
- /// returns a VTime object based on the current system time
- friend VTime getVTime();
- };
- // V_TIME_H_
- #endif