110 lines
3.0 KiB
C++
110 lines
3.0 KiB
C++
|
//
|
||
|
|
// impl/execution_context.hpp
|
||
|
|
// ~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||
|
|
//
|
||
|
|
// Copyright (c) 2003-2023 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_IMPL_EXECUTION_CONTEXT_HPP
|
||
|
|
#define ASIO_IMPL_EXECUTION_CONTEXT_HPP
|
||
|
|
|
||
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
|
||
|
|
# pragma once
|
||
|
|
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
|
||
|
|
|
||
|
|
#include "asio/detail/handler_type_requirements.hpp"
|
||
|
|
#include "asio/detail/scoped_ptr.hpp"
|
||
|
|
#include "asio/detail/service_registry.hpp"
|
||
|
|
|
||
|
|
#include "asio/detail/push_options.hpp"
|
||
|
|
|
||
|
|
namespace asio {
|
||
|
|
|
||
|
|
#if !defined(GENERATING_DOCUMENTATION)
|
||
|
|
|
||
|
|
template <typename Service>
|
||
|
|
inline Service& use_service(execution_context& e)
|
||
|
|
{
|
||
|
|
// Check that Service meets the necessary type requirements.
|
||
|
|
(void)static_cast<execution_context::service*>(static_cast<Service*>(0));
|
||
|
|
|
||
|
|
return e.service_registry_->template use_service<Service>();
|
||
|
|
}
|
||
|
|
|
||
|
|
#if defined(ASIO_HAS_VARIADIC_TEMPLATES)
|
||
|
|
|
||
|
|
template <typename Service, typename... Args>
|
||
|
|
Service& make_service(execution_context& e, ASIO_MOVE_ARG(Args)... args)
|
||
|
|
{
|
||
|
|
detail::scoped_ptr<Service> svc(
|
||
|
|
new Service(e, ASIO_MOVE_CAST(Args)(args)...));
|
||
|
|
e.service_registry_->template add_service<Service>(svc.get());
|
||
|
|
Service& result = *svc;
|
||
|
|
svc.release();
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
|
||
|
|
|
||
|
|
template <typename Service>
|
||
|
|
Service& make_service(execution_context& e)
|
||
|
|
{
|
||
|
|
detail::scoped_ptr<Service> svc(new Service(e));
|
||
|
|
e.service_registry_->template add_service<Service>(svc.get());
|
||
|
|
Service& result = *svc;
|
||
|
|
svc.release();
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
#define ASIO_PRIVATE_MAKE_SERVICE_DEF(n) \
|
||
|
|
template <typename Service, ASIO_VARIADIC_TPARAMS(n)> \
|
||
|
|
Service& make_service(execution_context& e, \
|
||
|
|
ASIO_VARIADIC_MOVE_PARAMS(n)) \
|
||
|
|
{ \
|
||
|
|
detail::scoped_ptr<Service> svc( \
|
||
|
|
new Service(e, ASIO_VARIADIC_MOVE_ARGS(n))); \
|
||
|
|
e.service_registry_->template add_service<Service>(svc.get()); \
|
||
|
|
Service& result = *svc; \
|
||
|
|
svc.release(); \
|
||
|
|
return result; \
|
||
|
|
} \
|
||
|
|
/**/
|
||
|
|
ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_MAKE_SERVICE_DEF)
|
||
|
|
#undef ASIO_PRIVATE_MAKE_SERVICE_DEF
|
||
|
|
|
||
|
|
#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
|
||
|
|
|
||
|
|
template <typename Service>
|
||
|
|
inline void add_service(execution_context& e, Service* svc)
|
||
|
|
{
|
||
|
|
// Check that Service meets the necessary type requirements.
|
||
|
|
(void)static_cast<execution_context::service*>(static_cast<Service*>(0));
|
||
|
|
|
||
|
|
e.service_registry_->template add_service<Service>(svc);
|
||
|
|
}
|
||
|
|
|
||
|
|
template <typename Service>
|
||
|
|
inline bool has_service(execution_context& e)
|
||
|
|
{
|
||
|
|
// Check that Service meets the necessary type requirements.
|
||
|
|
(void)static_cast<execution_context::service*>(static_cast<Service*>(0));
|
||
|
|
|
||
|
|
return e.service_registry_->template has_service<Service>();
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // !defined(GENERATING_DOCUMENTATION)
|
||
|
|
|
||
|
|
inline execution_context& execution_context::service::context()
|
||
|
|
{
|
||
|
|
return owner_;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace asio
|
||
|
|
|
||
|
|
#include "asio/detail/pop_options.hpp"
|
||
|
|
|
||
|
|
#endif // ASIO_IMPL_EXECUTION_CONTEXT_HPP
|