/src/opendnp3/_deps/exe4cpp-src/src/exe4cpp/Timer.h
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1 | | /* |
2 | | * Copyright (c) 2018, Automatak LLC |
3 | | * All rights reserved. |
4 | | * |
5 | | * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the |
6 | | * following conditions are met: |
7 | | * |
8 | | * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following |
9 | | * disclaimer. |
10 | | * |
11 | | * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following |
12 | | * disclaimer in the documentation and/or other materials provided with the distribution. |
13 | | * |
14 | | * 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote |
15 | | * products derived from this software without specific prior written permission. |
16 | | * |
17 | | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
18 | | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
19 | | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
20 | | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
21 | | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
22 | | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
23 | | * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 | | */ |
25 | | #ifndef EXE4CPP_TIMER_H |
26 | | #define EXE4CPP_TIMER_H |
27 | | |
28 | | #include "exe4cpp/ITimer.h" |
29 | | |
30 | | #include <memory> |
31 | | |
32 | | namespace exe4cpp |
33 | | { |
34 | | |
35 | | /** |
36 | | * Timer is a wrapper around an implementation of ITimer |
37 | | */ |
38 | | class Timer final |
39 | | { |
40 | | public: |
41 | 28.1k | Timer() : timer{} |
42 | 28.1k | {} |
43 | | |
44 | 6.41k | explicit Timer(const std::shared_ptr<ITimer>& timer) : timer{timer} |
45 | 6.41k | {} |
46 | | |
47 | | inline bool cancel() |
48 | 22.3k | { |
49 | 22.3k | if (auto impl = timer.lock()) |
50 | 13 | { |
51 | 13 | impl->cancel(); |
52 | 13 | return true; |
53 | 13 | } |
54 | 22.2k | else |
55 | 22.2k | { |
56 | 22.2k | return false; |
57 | 22.2k | } |
58 | 22.3k | } |
59 | | |
60 | | inline steady_time_t expires_at() |
61 | 0 | { |
62 | 0 | if (auto impl = timer.lock()) |
63 | 0 | { |
64 | 0 | return impl->expires_at(); |
65 | 0 | } |
66 | 0 | else |
67 | 0 | { |
68 | 0 | return steady_time_t::min(); |
69 | 0 | } |
70 | 0 | } |
71 | | |
72 | | private: |
73 | | std::weak_ptr<ITimer> timer; |
74 | | }; |
75 | | |
76 | | } |
77 | | |
78 | | #endif |