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//
// detail/impl/service_registry.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2014 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 BOOST_ASIO_DETAIL_IMPL_SERVICE_REGISTRY_HPP
#define BOOST_ASIO_DETAIL_IMPL_SERVICE_REGISTRY_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include <boost/asio/detail/push_options.hpp>
namespace boost {
namespace asio {
namespace detail {
template <typename Service, typename Arg>
service_registry::service_registry(
boost::asio::io_service& o, Service*, Arg arg)
: owner_(o),
first_service_(new Service(o, arg))
{
boost::asio::io_service::service::key key;
init_key(key, Service::id);
first_service_->key_ = key;
first_service_->next_ = 0;
}
template <typename Service>
Service& service_registry::first_service()
{
return *static_cast<Service*>(first_service_);
}
template <typename Service>
Service& service_registry::use_service()
{
boost::asio::io_service::service::key key;
init_key(key, Service::id);
factory_type factory = &service_registry::create<Service>;
return *static_cast<Service*>(do_use_service(key, factory));
}
template <typename Service>
void service_registry::add_service(Service* new_service)
{
boost::asio::io_service::service::key key;
init_key(key, Service::id);
return do_add_service(key, new_service);
}
template <typename Service>
bool service_registry::has_service() const
{
boost::asio::io_service::service::key key;
init_key(key, Service::id);
return do_has_service(key);
}
#if !defined(BOOST_ASIO_NO_TYPEID)
template <typename Service>
void service_registry::init_key(boost::asio::io_service::service::key& key,
const boost::asio::detail::service_id<Service>& /*id*/)
{
key.type_info_ = &typeid(typeid_wrapper<Service>);
key.id_ = 0;
}
#endif // !defined(BOOST_ASIO_NO_TYPEID)
template <typename Service>
boost::asio::io_service::service* service_registry::create(
boost::asio::io_service& owner)
{
return new Service(owner);
}
} // namespace detail
} // namespace asio
} // namespace boost
#include <boost/asio/detail/pop_options.hpp>
#endif // BOOST_ASIO_DETAIL_IMPL_SERVICE_REGISTRY_HPP
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