1 /*
2 
3 Copyright (c) 2007-2018, Arvid Norberg
4 All rights reserved.
5 
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions
8 are met:
9 
10     * Redistributions of source code must retain the above copyright
11       notice, this list of conditions and the following disclaimer.
12     * Redistributions in binary form must reproduce the above copyright
13       notice, this list of conditions and the following disclaimer in
14       the documentation and/or other materials provided with the distribution.
15     * Neither the name of the author nor the names of its
16       contributors may be used to endorse or promote products derived
17       from this software without specific prior written permission.
18 
19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 POSSIBILITY OF SUCH DAMAGE.
30 
31 */
32 
33 #ifndef TORRENT_TIME_HPP_INCLUDED
34 #define TORRENT_TIME_HPP_INCLUDED
35 
36 #include "libtorrent/config.hpp"
37 
38 #include <cstdint>
39 #include <chrono>
40 
41 #if defined TORRENT_BUILD_SIMULATOR
42 #include "libtorrent/aux_/disable_warnings_push.hpp"
43 #include "simulator/simulator.hpp"
44 #include "libtorrent/aux_/disable_warnings_pop.hpp"
45 #endif
46 
47 namespace libtorrent {
48 
49 #if defined TORRENT_BUILD_SIMULATOR
50 	using clock_type = sim::chrono::high_resolution_clock;
51 #else
52 	using clock_type = std::chrono::high_resolution_clock;
53 #endif
54 
55 	using time_point = clock_type::time_point;
56 	using time_duration = clock_type::duration;
57 
58 	// 32 bit versions of time_point and duration, with second resolution
59 	using seconds32 = std::chrono::duration<std::int32_t>;
60 	using minutes32 = std::chrono::duration<std::int32_t, std::ratio<60>>;
61 	using time_point32 = std::chrono::time_point<clock_type, seconds32>;
62 
63 	using seconds = std::chrono::seconds;
64 	using milliseconds = std::chrono::milliseconds;
65 	using microseconds = std::chrono::microseconds;
66 	using minutes = std::chrono::minutes;
67 	using hours = std::chrono::hours;
68 	using std::chrono::duration_cast;
69 	using std::chrono::time_point_cast;
70 
71 	// internal
min_time()72 	inline time_point min_time() { return (time_point::min)(); }
73 
74 	// internal
max_time()75 	inline time_point max_time() { return (time_point::max)(); }
76 
77 	template<class T>
total_seconds(T td)78 	std::int64_t total_seconds(T td)
79 	{ return duration_cast<seconds>(td).count(); }
80 
81 	template<class T>
total_milliseconds(T td)82 	std::int64_t total_milliseconds(T td)
83 	{ return duration_cast<milliseconds>(td).count(); }
84 
85 	template<class T>
total_microseconds(T td)86 	std::int64_t total_microseconds(T td)
87 	{ return duration_cast<microseconds>(td).count(); }
88 
89 }
90 
91 #endif // TORRENT_TIME_HPP_INCLUDED
92