util: hide MonotonicDeadlineTimer into detail
refs #3940
Change-Id: Ied9ebf58812ade64b13f7647b8e2cafc4c383997
diff --git a/src/util/detail/monotonic-deadline-timer.hpp b/src/util/detail/monotonic-deadline-timer.hpp
new file mode 100644
index 0000000..002912c
--- /dev/null
+++ b/src/util/detail/monotonic-deadline-timer.hpp
@@ -0,0 +1,93 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2013-2017 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library 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 Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ */
+
+/**
+ * This code is based on https://svn.boost.org/trac/boost/attachment/ticket/3504/MonotonicDeadlineTimer.h
+ */
+
+#ifndef NDN_UTIL_DETAIL_MONOTONIC_DEADLINE_TIMER_HPP
+#define NDN_UTIL_DETAIL_MONOTONIC_DEADLINE_TIMER_HPP
+
+#include "../time.hpp"
+#include <boost/asio/basic_deadline_timer.hpp>
+#include <boost/asio/io_service.hpp>
+
+namespace boost {
+namespace asio {
+
+template<>
+struct time_traits<ndn::time::steady_clock>
+{
+ using time_type = ndn::time::steady_clock::TimePoint;
+ using duration_type = ndn::time::steady_clock::Duration;
+
+ static time_type
+ now()
+ {
+ return ndn::time::steady_clock::now();
+ }
+
+ static time_type
+ add(const time_type& time, const duration_type& duration)
+ {
+ return time + duration;
+ }
+
+ static duration_type
+ subtract(const time_type& timeLhs, const time_type& timeRhs)
+ {
+ return timeLhs - timeRhs;
+ }
+
+ static bool
+ less_than(const time_type& timeLhs, const time_type& timeRhs)
+ {
+ return timeLhs < timeRhs;
+ }
+
+ static boost::posix_time::time_duration
+ to_posix_duration(const duration_type& duration)
+ {
+ return ndn::time::steady_clock::to_posix_duration(duration);
+ }
+};
+
+} // namespace asio
+} // namespace boost
+
+namespace ndn {
+namespace util {
+namespace detail {
+
+class MonotonicDeadlineTimer : public boost::asio::basic_deadline_timer<time::steady_clock>
+{
+public:
+ MonotonicDeadlineTimer(boost::asio::io_service& ioService)
+ : boost::asio::basic_deadline_timer<time::steady_clock>(ioService)
+ {
+ }
+};
+
+} // namespace detail
+} // namespace util
+} // namespace ndn
+
+#endif // NDN_UTIL_DETAIL_MONOTONIC_DEADLINE_TIMER_HPP