| 1 | // |
|---|---|
| 2 | // impl/execution_context.hpp |
| 3 | // ~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 4 | // |
| 5 | // Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
| 6 | // |
| 7 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 8 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 9 | // |
| 10 | |
| 11 | #ifndef BOOST_ASIO_IMPL_EXECUTION_CONTEXT_HPP |
| 12 | #define BOOST_ASIO_IMPL_EXECUTION_CONTEXT_HPP |
| 13 | |
| 14 | #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| 15 | # pragma once |
| 16 | #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| 17 | |
| 18 | #include <boost/asio/detail/handler_type_requirements.hpp> |
| 19 | #include <boost/asio/detail/scoped_ptr.hpp> |
| 20 | #include <boost/asio/detail/service_registry.hpp> |
| 21 | |
| 22 | #include <boost/asio/detail/push_options.hpp> |
| 23 | |
| 24 | namespace boost { |
| 25 | namespace asio { |
| 26 | |
| 27 | #if !defined(GENERATING_DOCUMENTATION) |
| 28 | |
| 29 | template <typename Service> |
| 30 | inline Service& use_service(execution_context& e) |
| 31 | { |
| 32 | // Check that Service meets the necessary type requirements. |
| 33 | (void)static_cast<execution_context::service*>(static_cast<Service*>(0)); |
| 34 | |
| 35 | return e.service_registry_->template use_service<Service>(); |
| 36 | } |
| 37 | |
| 38 | template <typename Service, typename... Args> |
| 39 | Service& make_service(execution_context& e, Args&&... args) |
| 40 | { |
| 41 | detail::scoped_ptr<Service> svc( |
| 42 | new Service(e, static_cast<Args&&>(args)...)); |
| 43 | e.service_registry_->template add_service<Service>(svc.get()); |
| 44 | Service& result = *svc; |
| 45 | svc.release(); |
| 46 | return result; |
| 47 | } |
| 48 | |
| 49 | template <typename Service> |
| 50 | inline void add_service(execution_context& e, Service* svc) |
| 51 | { |
| 52 | // Check that Service meets the necessary type requirements. |
| 53 | (void)static_cast<execution_context::service*>(static_cast<Service*>(0)); |
| 54 | |
| 55 | e.service_registry_->template add_service<Service>(svc); |
| 56 | } |
| 57 | |
| 58 | template <typename Service> |
| 59 | inline bool has_service(execution_context& e) |
| 60 | { |
| 61 | // Check that Service meets the necessary type requirements. |
| 62 | (void)static_cast<execution_context::service*>(static_cast<Service*>(0)); |
| 63 | |
| 64 | return e.service_registry_->template has_service<Service>(); |
| 65 | } |
| 66 | |
| 67 | #endif // !defined(GENERATING_DOCUMENTATION) |
| 68 | |
| 69 | inline execution_context& execution_context::service::context() |
| 70 | { |
| 71 | return owner_; |
| 72 | } |
| 73 | |
| 74 | } // namespace asio |
| 75 | } // namespace boost |
| 76 | |
| 77 | #include <boost/asio/detail/pop_options.hpp> |
| 78 | |
| 79 | #endif // BOOST_ASIO_IMPL_EXECUTION_CONTEXT_HPP |
| 80 |