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1 | // | |
2 | // detail/impl/service_registry.hpp | |
3 | // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
4 | // | |
5 | // Copyright (c) 2003-2016 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 |