Duration.hxx
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上传日期:2013-07-25
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- #if !defined(DURATION_DOT_HXX)
- #define DURATION_DOT_HXX
- /* ====================================================================
- * 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 $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * ====================================================================
- *
- * This software consists of voluntary contributions made by Vovida
- * Networks, Inc. and many individuals on behalf of Vovida Networks,
- * Inc. For more information on Vovida Networks, Inc., please see
- * <http://www.vovida.org/>.
- *
- */
- static const char* const Duration_hxx_Version =
- "$Id: Duration.hxx,v 1.2 2001/01/24 03:31:37 icahoon Exp $";
- #include "TickCount.hxx"
- /** Infrastructure common to VOCAL.<br><br>
- */
- namespace Vocal
- {
- /** Infrastructure in VOCAL to measuring, recording and reporting
- * statistics.<br><br>
- */
- namespace Statistics
- {
- /** A period of time between two tick counts.<br><br>
- *
- * @see Vocal::Statistics::TickCount
- */
- class Duration
- {
- public:
- TickCount startTick;
- TickCount stopTick;
- /** Start measuring the duration.
- */
- void start();
- /** Stop measuring the duration.
- */
- void stop();
- /** The length of the duration in ticks, as a 64 bit integer.
- */
- int64_t length() const;
- };
- inline void Duration::start()
- {
- startTick.set();
- }
- inline void Duration::stop()
- {
- stopTick.set();
- }
- inline int64_t Duration::length() const
- {
- return ( stopTick - startTick );
- }
- } // namespace Statistics
- } // namespace Vocal
- #endif // !defined(DURATION_DOT_HXX)