Goby3 3.2.3
2025.05.13
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steady_clock.h
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1// Copyright 2009-2021:
2// GobySoft, LLC (2013-)
3// Massachusetts Institute of Technology (2007-2014)
4// Community contributors (see AUTHORS file)
5// File authors:
6// Toby Schneider <toby@gobysoft.org>
7//
8//
9// This file is part of the Goby Underwater Autonomy Project Libraries
10// ("The Goby Libraries").
11//
12// The Goby Libraries are free software: you can redistribute them and/or modify
13// them under the terms of the GNU Lesser General Public License as published by
14// the Free Software Foundation, either version 2.1 of the License, or
15// (at your option) any later version.
16//
17// The Goby Libraries are distributed in the hope that they will be useful,
18// but WITHOUT ANY WARRANTY; without even the implied warranty of
19// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20// GNU Lesser General Public License for more details.
21//
22// You should have received a copy of the GNU Lesser General Public License
23// along with Goby. If not, see <http://www.gnu.org/licenses/>.
24
25#ifndef GOBY_TIME_STEADY_CLOCK_H
26#define GOBY_TIME_STEADY_CLOCK_H
27
28#include <chrono>
29
31
32namespace goby
33{
34namespace time
35{
38{
42 typedef std::chrono::microseconds duration;
43 typedef duration::rep rep;
44 typedef duration::period period;
45 typedef std::chrono::time_point<SteadyClock> time_point;
46 static const bool is_steady = true;
47
49 static time_point now() noexcept
50 {
51 using namespace std::chrono;
52 auto now = steady_clock::now();
53
55 return time_point(duration_cast<duration>(now.time_since_epoch()));
56 else
58 duration_cast<duration>(now.time_since_epoch()));
59 }
60};
61} // namespace time
62} // namespace goby
63
64#endif
unit< time_dimension, si::system > time
Definition time.hpp:22
The global namespace for the Goby project.
static bool using_sim_time
Enables simulation time if true (if false, none of the remaining parameters are used)
Definition simulation.h:38
static int warp_factor
Warp factor to speed up (or slow time) the time values returned by SteadyClock::now() and SystemClock...
Definition simulation.h:40
Essentially the same as std::chrono::steady_clock except the time returned by SteadyClock::now() can ...
duration::period period
std::chrono::time_point< SteadyClock > time_point
static const bool is_steady
static time_point now() noexcept
Returns the current steady time unless SimulatorSettings::using_sim_time == true in which case a simu...
std::chrono::microseconds duration
Duration type.