From c87b1dc338eadc68accac02563a487d7d8e1c9a0 Mon Sep 17 00:00:00 2001
From: Ben Longbons <b.r.longbons@gmail.com>
Date: Mon, 12 May 2014 17:24:51 -0700
Subject: Split net/ from mmo/

---
 src/net/timer.t.hpp | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 src/net/timer.t.hpp

(limited to 'src/net/timer.t.hpp')

diff --git a/src/net/timer.t.hpp b/src/net/timer.t.hpp
new file mode 100644
index 0000000..91d4b74
--- /dev/null
+++ b/src/net/timer.t.hpp
@@ -0,0 +1,88 @@
+#ifndef TMWA_NET_TIMER_T_HPP
+#define TMWA_NET_TIMER_T_HPP
+//    timer.t.hpp - Future event scheduler.
+//
+//    Copyright © ????-2004 Athena Dev Teams
+//    Copyright © 2004-2011 The Mana World Development Team
+//    Copyright © 2011-2014 Ben Longbons <b.r.longbons@gmail.com>
+//
+//    This file is part of The Mana World (Athena server)
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    This program 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 General Public License for more details.
+//
+//    You should have received a copy of the GNU General Public License
+//    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# include "fwd.hpp"
+
+# include <chrono>
+# include <functional>
+
+# include "../generic/dumb_ptr.hpp"
+
+/// An implementation of the C++ "clock" concept, exposing
+/// durations in milliseconds.
+class milli_clock
+{
+public:
+    typedef std::chrono::milliseconds duration;
+    typedef duration::rep rep;
+    typedef duration::period period;
+    typedef std::chrono::time_point<milli_clock, duration> time_point;
+    static const bool is_steady = true; // assumed - not necessarily true
+
+    static time_point now() noexcept;
+};
+
+/// A point in time.
+typedef milli_clock::time_point tick_t;
+/// The difference between two points in time.
+typedef milli_clock::duration interval_t;
+/// (to get additional arguments, use std::bind or a lambda).
+typedef std::function<void (TimerData *, tick_t)> timer_func;
+
+class Timer
+{
+    friend struct TimerData;
+    dumb_ptr<TimerData> td;
+
+    Timer(const Timer&) = delete;
+    Timer& operator = (const Timer&) = delete;
+public:
+    /// Don't own anything yet.
+    Timer() = default;
+    /// Schedule a timer for the given tick.
+    /// If you do not wish to keep track of it, call disconnect().
+    /// Otherwise, you may cancel() or replace (operator =) it later.
+    ///
+    /// If the interval argument is given, the timer will reschedule
+    /// itself again forever. Otherwise, it will disconnect() itself
+    /// just BEFORE it is called.
+    Timer(tick_t tick, timer_func func, interval_t interval=interval_t::zero());
+
+    Timer(Timer&& t);
+    Timer& operator = (Timer&& t);
+    ~Timer() { cancel(); }
+
+    /// Cancel the delivery of this timer's function, and make it falsy.
+    /// Implementation note: this doesn't actually remove it, just sets
+    /// the functor to do_nothing, and waits for the tick before removing.
+    void cancel();
+    /// Make it falsy without cancelling the timer,
+    void detach();
+
+    /// Check if there is a timer connected.
+    explicit operator bool() { return bool(td); }
+    /// Check if there is no connected timer.
+    bool operator !() { return !td; }
+};
+
+#endif // TMWA_NET_TIMER_T_HPP
-- 
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