1//
2// impl/io_service.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 ASIO_IMPL_IO_SERVICE_HPP
12#define ASIO_IMPL_IO_SERVICE_HPP
13
14
15#include "asio/detail/handler_type_requirements.hpp"
16#include "asio/detail/service_registry.hpp"
17
18#include "asio/detail/push_options.hpp"
19
20namespace asio {
21
22template <typename Service>
23inline Service& use_service(io_service& ios)
24{
25  // Check that Service meets the necessary type requirements.
26  (void)static_cast<io_service::service*>(static_cast<Service*>(0));
27  (void)static_cast<const io_service::id*>(&Service::id);
28
29  return ios.service_registry_->template use_service<Service>();
30}
31
32template <>
33inline detail::io_service_impl& use_service<detail::io_service_impl>(
34    io_service& ios)
35{
36  return ios.impl_;
37}
38
39template <typename Service>
40inline void add_service(io_service& ios, Service* svc)
41{
42  // Check that Service meets the necessary type requirements.
43  (void)static_cast<io_service::service*>(static_cast<Service*>(0));
44  (void)static_cast<const io_service::id*>(&Service::id);
45
46  ios.service_registry_->template add_service<Service>(svc);
47}
48
49template <typename Service>
50inline bool has_service(io_service& ios)
51{
52  // Check that Service meets the necessary type requirements.
53  (void)static_cast<io_service::service*>(static_cast<Service*>(0));
54  (void)static_cast<const io_service::id*>(&Service::id);
55
56  return ios.service_registry_->template has_service<Service>();
57}
58
59} // namespace asio
60
61#include "asio/detail/pop_options.hpp"
62
63# include "asio/detail/task_io_service.hpp"
64
65#include "asio/detail/push_options.hpp"
66
67namespace asio {
68
69template <typename CompletionHandler>
70inline ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
71io_service::dispatch(ASIO_MOVE_ARG(CompletionHandler) handler)
72{
73  // If you get an error on the following line it means that your handler does
74  // not meet the documented type requirements for a CompletionHandler.
75  ASIO_COMPLETION_HANDLER_CHECK(CompletionHandler, handler) type_check;
76
77  detail::async_result_init<
78    CompletionHandler, void ()> init(
79      ASIO_MOVE_CAST(CompletionHandler)(handler));
80
81  impl_.dispatch(init.handler);
82
83  return init.result.get();
84}
85
86template <typename CompletionHandler>
87inline ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
88io_service::post(ASIO_MOVE_ARG(CompletionHandler) handler)
89{
90  // If you get an error on the following line it means that your handler does
91  // not meet the documented type requirements for a CompletionHandler.
92  ASIO_COMPLETION_HANDLER_CHECK(CompletionHandler, handler) type_check;
93
94  detail::async_result_init<
95    CompletionHandler, void ()> init(
96      ASIO_MOVE_CAST(CompletionHandler)(handler));
97
98  impl_.post(init.handler);
99
100  return init.result.get();
101}
102
103template <typename Handler>
104inline detail::wrapped_handler<io_service&, Handler>
105io_service::wrap(Handler handler)
106{
107  return detail::wrapped_handler<io_service&, Handler>(*this, handler);
108}
109
110inline io_service::work::work(asio::io_service& io_service)
111  : io_service_impl_(io_service.impl_)
112{
113  io_service_impl_.work_started();
114}
115
116inline io_service::work::work(const work& other)
117  : io_service_impl_(other.io_service_impl_)
118{
119  io_service_impl_.work_started();
120}
121
122inline io_service::work::~work()
123{
124  io_service_impl_.work_finished();
125}
126
127inline asio::io_service& io_service::work::get_io_service()
128{
129  return io_service_impl_.get_io_service();
130}
131
132inline asio::io_service& io_service::service::get_io_service()
133{
134  return owner_;
135}
136
137} // namespace asio
138
139#include "asio/detail/pop_options.hpp"
140
141#endif // ASIO_IMPL_IO_SERVICE_HPP
142