| // |
| // detail/impl/service_registry.hpp |
| // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
| // |
| // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| // |
| |
| #ifndef ASIO_DETAIL_IMPL_SERVICE_REGISTRY_HPP |
| #define ASIO_DETAIL_IMPL_SERVICE_REGISTRY_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include "asio/detail/push_options.hpp" |
| |
| namespace asio { |
| namespace detail { |
| |
| template <typename Service> |
| Service& service_registry::use_service() |
| { |
| execution_context::service::key key; |
| init_key<Service>(key, 0); |
| factory_type factory = &service_registry::create<Service, execution_context>; |
| return *static_cast<Service*>(do_use_service(key, factory, &owner_)); |
| } |
| |
| template <typename Service> |
| Service& service_registry::use_service(io_context& owner) |
| { |
| execution_context::service::key key; |
| init_key<Service>(key, 0); |
| factory_type factory = &service_registry::create<Service, io_context>; |
| return *static_cast<Service*>(do_use_service(key, factory, &owner)); |
| } |
| |
| template <typename Service> |
| void service_registry::add_service(Service* new_service) |
| { |
| execution_context::service::key key; |
| init_key<Service>(key, 0); |
| return do_add_service(key, new_service); |
| } |
| |
| template <typename Service> |
| bool service_registry::has_service() const |
| { |
| execution_context::service::key key; |
| init_key<Service>(key, 0); |
| return do_has_service(key); |
| } |
| |
| template <typename Service> |
| inline void service_registry::init_key( |
| execution_context::service::key& key, ...) |
| { |
| init_key_from_id(key, Service::id); |
| } |
| |
| #if !defined(ASIO_NO_TYPEID) |
| template <typename Service> |
| void service_registry::init_key(execution_context::service::key& key, |
| typename enable_if< |
| is_base_of<typename Service::key_type, Service>::value>::type*) |
| { |
| key.type_info_ = &typeid(typeid_wrapper<Service>); |
| key.id_ = 0; |
| } |
| |
| template <typename Service> |
| void service_registry::init_key_from_id(execution_context::service::key& key, |
| const service_id<Service>& /*id*/) |
| { |
| key.type_info_ = &typeid(typeid_wrapper<Service>); |
| key.id_ = 0; |
| } |
| #endif // !defined(ASIO_NO_TYPEID) |
| |
| template <typename Service, typename Owner> |
| execution_context::service* service_registry::create(void* owner) |
| { |
| return new Service(*static_cast<Owner*>(owner)); |
| } |
| |
| } // namespace detail |
| } // namespace asio |
| |
| #include "asio/detail/pop_options.hpp" |
| |
| #endif // ASIO_DETAIL_IMPL_SERVICE_REGISTRY_HPP |