1 | // |
2 | // detail/impl/service_registry.hpp |
3 | // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
4 | // |
5 | // Copyright (c) 2003-2015 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_DETAIL_IMPL_SERVICE_REGISTRY_HPP |
12 | #define BOOST_ASIO_DETAIL_IMPL_SERVICE_REGISTRY_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/push_options.hpp> |
19 | |
20 | namespace boost { |
21 | namespace asio { |
22 | namespace detail { |
23 | |
24 | template <typename Service, typename Arg> |
25 | service_registry::service_registry( |
26 | boost::asio::io_service& o, Service*, Arg arg) |
27 | : owner_(o), |
28 | first_service_(new Service(o, arg)) |
29 | { |
30 | boost::asio::io_service::service::key key; |
31 | init_key(key, Service::id); |
32 | first_service_->key_ = key; |
33 | first_service_->next_ = 0; |
34 | } |
35 | |
36 | template <typename Service> |
37 | Service& service_registry::first_service() |
38 | { |
39 | return *static_cast<Service*>(first_service_); |
40 | } |
41 | |
42 | template <typename Service> |
43 | Service& service_registry::use_service() |
44 | { |
45 | boost::asio::io_service::service::key key; |
46 | init_key(key, Service::id); |
47 | factory_type factory = &service_registry::create<Service>; |
48 | return *static_cast<Service*>(do_use_service(key, factory)); |
49 | } |
50 | |
51 | template <typename Service> |
52 | void service_registry::add_service(Service* new_service) |
53 | { |
54 | boost::asio::io_service::service::key key; |
55 | init_key(key, Service::id); |
56 | return do_add_service(key, new_service); |
57 | } |
58 | |
59 | template <typename Service> |
60 | bool service_registry::has_service() const |
61 | { |
62 | boost::asio::io_service::service::key key; |
63 | init_key(key, Service::id); |
64 | return do_has_service(key); |
65 | } |
66 | |
67 | #if !defined(BOOST_ASIO_NO_TYPEID) |
68 | template <typename Service> |
69 | void service_registry::init_key(boost::asio::io_service::service::key& key, |
70 | const boost::asio::detail::service_id<Service>& /*id*/) |
71 | { |
72 | key.type_info_ = &typeid(typeid_wrapper<Service>); |
73 | key.id_ = 0; |
74 | } |
75 | #endif // !defined(BOOST_ASIO_NO_TYPEID) |
76 | |
77 | template <typename Service> |
78 | boost::asio::io_service::service* service_registry::create( |
79 | boost::asio::io_service& owner) |
80 | { |
81 | return new Service(owner); |
82 | } |
83 | |
84 | } // namespace detail |
85 | } // namespace asio |
86 | } // namespace boost |
87 | |
88 | #include <boost/asio/detail/pop_options.hpp> |
89 | |
90 | #endif // BOOST_ASIO_DETAIL_IMPL_SERVICE_REGISTRY_HPP |
91 | |