Chris@16: /*
Chris@101:  *          Copyright Andrey Semashev 2007 - 2015.
Chris@16:  * Distributed under the Boost Software License, Version 1.0.
Chris@16:  *    (See accompanying file LICENSE_1_0.txt or copy at
Chris@16:  *          http://www.boost.org/LICENSE_1_0.txt)
Chris@16:  */
Chris@16: /*!
Chris@16:  * \file   time_traits.hpp
Chris@16:  * \author Andrey Semashev
Chris@16:  * \date   01.12.2007
Chris@16:  *
Chris@16:  * The header contains implementation of time traits that are used in various parts of the
Chris@16:  * library to acquire current time.
Chris@16:  */
Chris@16: 
Chris@16: #ifndef BOOST_LOG_ATTRIBUTES_TIME_TRAITS_HPP_INCLUDED_
Chris@16: #define BOOST_LOG_ATTRIBUTES_TIME_TRAITS_HPP_INCLUDED_
Chris@16: 
Chris@16: #include <boost/date_time/posix_time/posix_time_types.hpp>
Chris@16: #include <boost/log/detail/config.hpp>
Chris@16: #include <boost/log/detail/header.hpp>
Chris@16: 
Chris@16: #ifdef BOOST_HAS_PRAGMA_ONCE
Chris@16: #pragma once
Chris@16: #endif
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16: BOOST_LOG_OPEN_NAMESPACE
Chris@16: 
Chris@16: namespace attributes {
Chris@16: 
Chris@16: //! Base class for time traits involving Boost.DateTime.
Chris@16: struct basic_time_traits
Chris@16: {
Chris@16:     //! Time type
Chris@16:     typedef posix_time::ptime time_type;
Chris@16: 
Chris@16:     //! Current time source
Chris@16: #if defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK)
Chris@16:     typedef posix_time::microsec_clock clock_source;
Chris@16: #else
Chris@16:     typedef posix_time::second_clock clock_source;
Chris@16: #endif // defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK)
Chris@16: };
Chris@16: 
Chris@16: //! Time traits that describes UTC time acquirement via Boost.DateTime facilities
Chris@16: struct utc_time_traits :
Chris@16:     public basic_time_traits
Chris@16: {
Chris@16:     /*!
Chris@16:      * \return Current time stamp
Chris@16:      */
Chris@16:     static time_type get_clock()
Chris@16:     {
Chris@16:         return clock_source::universal_time();
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: //! Time traits that describes local time acquirement via Boost.DateTime facilities
Chris@16: struct local_time_traits :
Chris@16:     public basic_time_traits
Chris@16: {
Chris@16:     /*!
Chris@16:      * \return Current time stamp
Chris@16:      */
Chris@16:     static time_type get_clock()
Chris@16:     {
Chris@16:         return clock_source::local_time();
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: } // namespace attributes
Chris@16: 
Chris@16: BOOST_LOG_CLOSE_NAMESPACE // namespace log
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #include <boost/log/detail/footer.hpp>
Chris@16: 
Chris@16: #endif // BOOST_LOG_ATTRIBUTES_TIME_TRAITS_HPP_INCLUDED_