| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2022 Vinnie Falco (vinnie dot falco at gmail dot com) | ||
| 3 | // | ||
| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | ||
| 5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
| 6 | // | ||
| 7 | // Official repository: https://github.com/cppalliance/beast2 | ||
| 8 | // | ||
| 9 | |||
| 10 | #include <boost/capy/application.hpp> | ||
| 11 | #include <boost/capy/detail/except.hpp> | ||
| 12 | #include <boost/assert.hpp> | ||
| 13 | #include <mutex> | ||
| 14 | #include <vector> | ||
| 15 | |||
| 16 | namespace boost { | ||
| 17 | namespace capy { | ||
| 18 | |||
| 19 | enum application::state : char | ||
| 20 | { | ||
| 21 | none, | ||
| 22 | starting, | ||
| 23 | running, | ||
| 24 | stopping, | ||
| 25 | stopped | ||
| 26 | }; | ||
| 27 | |||
| 28 | struct application::impl | ||
| 29 | { | ||
| 30 | std::mutex m; | ||
| 31 | state st = state::none; | ||
| 32 | }; | ||
| 33 | |||
| 34 | 1 | application:: | |
| 35 | ~application() | ||
| 36 | { | ||
| 37 | { | ||
| 38 | 1 | std::lock_guard<std::mutex> lock(impl_->m); | |
| 39 |
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1 | if( impl_->st != state::stopped && |
| 40 |
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1 | impl_->st != state::none) |
| 41 | { | ||
| 42 | // stop() hasn't returned yet | ||
| 43 | ✗ | detail::throw_invalid_argument(); | |
| 44 | } | ||
| 45 | 1 | } | |
| 46 |
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1 | delete impl_; |
| 47 | 1 | } | |
| 48 | |||
| 49 | 1 | application:: | |
| 50 | 1 | application() | |
| 51 |
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1 | : impl_(new impl) |
| 52 | { | ||
| 53 | 1 | } | |
| 54 | |||
| 55 | void | ||
| 56 | ✗ | application:: | |
| 57 | start() | ||
| 58 | { | ||
| 59 | struct action | ||
| 60 | { | ||
| 61 | ✗ | action(application& self) | |
| 62 | ✗ | : self_(self) | |
| 63 | { | ||
| 64 | std::lock_guard< | ||
| 65 | ✗ | std::mutex> lock(self_.impl_->m); | |
| 66 | // can't call twice | ||
| 67 | ✗ | if(self_.impl_->st != state::none) | |
| 68 | ✗ | detail::throw_invalid_argument(); | |
| 69 | ✗ | self_.impl_->st = state::starting; | |
| 70 | ✗ | } | |
| 71 | |||
| 72 | ✗ | ~action() | |
| 73 | ✗ | { | |
| 74 | ✗ | if(n_ == 0) | |
| 75 | ✗ | return; | |
| 76 | { | ||
| 77 | std::lock_guard< | ||
| 78 | ✗ | std::mutex> lock(self_.impl_->m); | |
| 79 | ✗ | BOOST_ASSERT( | |
| 80 | self_.impl_->st == state::stopping); | ||
| 81 | ✗ | self_.impl_->st = state::stopping; | |
| 82 | ✗ | } | |
| 83 | // stop what we started | ||
| 84 | ✗ | auto v = self_.get_elements(); | |
| 85 | ✗ | while(n_-- > 0) | |
| 86 | ✗ | v[n_].stop(); | |
| 87 | { | ||
| 88 | std::lock_guard<std::mutex> lock( | ||
| 89 | ✗ | self_.impl_->m); | |
| 90 | ✗ | self_.impl_->st = state::stopped; | |
| 91 | ✗ | } | |
| 92 | ✗ | } | |
| 93 | |||
| 94 | ✗ | void apply() | |
| 95 | { | ||
| 96 | ✗ | auto v = self_.get_elements(); | |
| 97 | ✗ | while(n_ < v.size()) | |
| 98 | { | ||
| 99 | ✗ | v[n_].start(); | |
| 100 | ✗ | ++n_; | |
| 101 | } | ||
| 102 | ✗ | n_ = 0; | |
| 103 | std::lock_guard< | ||
| 104 | ✗ | std::mutex> lock(self_.impl_->m); | |
| 105 | ✗ | self_.impl_->st = state::running; | |
| 106 | ✗ | } | |
| 107 | |||
| 108 | private: | ||
| 109 | application& self_; | ||
| 110 | std::size_t n_ = 0; | ||
| 111 | }; | ||
| 112 | |||
| 113 | ✗ | action(*this).apply(); | |
| 114 | ✗ | } | |
| 115 | |||
| 116 | void | ||
| 117 | ✗ | application:: | |
| 118 | stop() | ||
| 119 | { | ||
| 120 | { | ||
| 121 | ✗ | std::lock_guard<std::mutex> lock(impl_->m); | |
| 122 | ✗ | if(impl_->st != state::running) | |
| 123 | ✗ | detail::throw_invalid_argument(); | |
| 124 | ✗ | impl_->st = state::stopping; | |
| 125 | ✗ | } | |
| 126 | |||
| 127 | ✗ | auto v = get_elements(); | |
| 128 | ✗ | for(std::size_t i = v.size(); i--;) | |
| 129 | ✗ | v[i].stop(); | |
| 130 | |||
| 131 | { | ||
| 132 | ✗ | std::lock_guard<std::mutex> lock(impl_->m); | |
| 133 | ✗ | impl_->st = state::stopped; | |
| 134 | ✗ | } | |
| 135 | ✗ | } | |
| 136 | |||
| 137 | } // capy | ||
| 138 | } // boost | ||
| 139 |