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Diffstat (limited to 'lib/asio/time_traits.hpp')
-rw-r--r-- | lib/asio/time_traits.hpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/lib/asio/time_traits.hpp b/lib/asio/time_traits.hpp new file mode 100644 index 0000000..72f4aab --- /dev/null +++ b/lib/asio/time_traits.hpp @@ -0,0 +1,86 @@ +// +// time_traits.hpp +// ~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// +// Distributed under the Boost Software License, Version 1.0. (See accompanying +// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// + +#ifndef ASIO_TIME_TRAITS_HPP +#define ASIO_TIME_TRAITS_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include "asio/detail/socket_types.hpp" // Must come before posix_time. + +#if defined(ASIO_HAS_BOOST_DATE_TIME) \ + || defined(GENERATING_DOCUMENTATION) + +#include <boost/date_time/posix_time/posix_time_types.hpp> + +#include "asio/detail/push_options.hpp" + +namespace asio { + +/// Time traits suitable for use with the deadline timer. +template <typename Time> +struct time_traits; + +/// Time traits specialised for posix_time. +template <> +struct time_traits<boost::posix_time::ptime> +{ + /// The time type. + typedef boost::posix_time::ptime time_type; + + /// The duration type. + typedef boost::posix_time::time_duration duration_type; + + /// Get the current time. + static time_type now() + { +#if defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK) + return boost::posix_time::microsec_clock::universal_time(); +#else // defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK) + return boost::posix_time::second_clock::universal_time(); +#endif // defined(BOOST_DATE_TIME_HAS_HIGH_PRECISION_CLOCK) + } + + /// Add a duration to a time. + static time_type add(const time_type& t, const duration_type& d) + { + return t + d; + } + + /// Subtract one time from another. + static duration_type subtract(const time_type& t1, const time_type& t2) + { + return t1 - t2; + } + + /// Test whether one time is less than another. + static bool less_than(const time_type& t1, const time_type& t2) + { + return t1 < t2; + } + + /// Convert to POSIX duration type. + static boost::posix_time::time_duration to_posix_duration( + const duration_type& d) + { + return d; + } +}; + +} // namespace asio + +#include "asio/detail/pop_options.hpp" + +#endif // defined(ASIO_HAS_BOOST_DATE_TIME) + // || defined(GENERATING_DOCUMENTATION) + +#endif // ASIO_TIME_TRAITS_HPP |