/Src/Dependencies/Boost/boost/asio/detail/service_registry.hpp
http://hadesmem.googlecode.com/ · C++ Header · 157 lines · 91 code · 32 blank · 34 comment · 10 complexity · f03630c75c08d427dd80ea3397492f36 MD5 · raw file
- //
- // detail/service_registry.hpp
- // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
- //
- // Copyright (c) 2003-2011 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_SERVICE_REGISTRY_HPP
- #define BOOST_ASIO_DETAIL_SERVICE_REGISTRY_HPP
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
- #include <boost/asio/detail/config.hpp>
- #include <typeinfo>
- #include <boost/asio/detail/mutex.hpp>
- #include <boost/asio/detail/noncopyable.hpp>
- #include <boost/asio/io_service.hpp>
- #if defined(BOOST_NO_TYPEID)
- # if !defined(BOOST_ASIO_NO_TYPEID)
- # define BOOST_ASIO_NO_TYPEID
- # endif // !defined(BOOST_ASIO_NO_TYPEID)
- #endif // defined(BOOST_NO_TYPEID)
- #include <boost/asio/detail/push_options.hpp>
- namespace boost {
- namespace asio {
- namespace detail {
- #if defined(__GNUC__)
- # if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
- # pragma GCC visibility push (default)
- # endif // (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
- #endif // defined(__GNUC__)
- template <typename T>
- class typeid_wrapper {};
- #if defined(__GNUC__)
- # if (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
- # pragma GCC visibility pop
- # endif // (__GNUC__ == 4 && __GNUC_MINOR__ >= 1) || (__GNUC__ > 4)
- #endif // defined(__GNUC__)
- class service_registry
- : private noncopyable
- {
- public:
- // Constructor.
- BOOST_ASIO_DECL service_registry(boost::asio::io_service& o);
- // Destructor.
- BOOST_ASIO_DECL ~service_registry();
- // Notify all services of a fork event.
- BOOST_ASIO_DECL void notify_fork(boost::asio::io_service::fork_event fork_ev);
- // Get the service object corresponding to the specified service type. Will
- // create a new service object automatically if no such object already
- // exists. Ownership of the service object is not transferred to the caller.
- template <typename Service>
- Service& use_service();
- // Add a service object. Throws on error, in which case ownership of the
- // object is retained by the caller.
- template <typename Service>
- void add_service(Service* new_service);
- // Check whether a service object of the specified type already exists.
- template <typename Service>
- bool has_service() const;
- private:
- // Initialise a service's key based on its id.
- BOOST_ASIO_DECL static void init_key(
- boost::asio::io_service::service::key& key,
- const boost::asio::io_service::id& id);
- #if !defined(BOOST_ASIO_NO_TYPEID)
- // Initialise a service's key based on its id.
- template <typename Service>
- static void init_key(boost::asio::io_service::service::key& key,
- const boost::asio::detail::service_id<Service>& /*id*/);
- #endif // !defined(BOOST_ASIO_NO_TYPEID)
- // Check if a service matches the given id.
- BOOST_ASIO_DECL static bool keys_match(
- const boost::asio::io_service::service::key& key1,
- const boost::asio::io_service::service::key& key2);
- // The type of a factory function used for creating a service instance.
- typedef boost::asio::io_service::service*
- (*factory_type)(boost::asio::io_service&);
- // Factory function for creating a service instance.
- template <typename Service>
- static boost::asio::io_service::service* create(
- boost::asio::io_service& owner);
- // Destroy a service instance.
- BOOST_ASIO_DECL static void destroy(
- boost::asio::io_service::service* service);
- // Helper class to manage service pointers.
- struct auto_service_ptr;
- friend struct auto_service_ptr;
- struct auto_service_ptr
- {
- boost::asio::io_service::service* ptr_;
- ~auto_service_ptr() { destroy(ptr_); }
- };
- // Get the service object corresponding to the specified service key. Will
- // create a new service object automatically if no such object already
- // exists. Ownership of the service object is not transferred to the caller.
- BOOST_ASIO_DECL boost::asio::io_service::service* do_use_service(
- const boost::asio::io_service::service::key& key,
- factory_type factory);
- // Add a service object. Returns false on error, in which case ownership of
- // the object is retained by the caller.
- BOOST_ASIO_DECL void do_add_service(
- const boost::asio::io_service::service::key& key,
- boost::asio::io_service::service* new_service);
- // Check whether a service object with the specified key already exists.
- BOOST_ASIO_DECL bool do_has_service(
- const boost::asio::io_service::service::key& key) const;
- // Mutex to protect access to internal data.
- mutable boost::asio::detail::mutex mutex_;
- // The owner of this service registry and the services it contains.
- boost::asio::io_service& owner_;
- // The first service in the list of contained services.
- boost::asio::io_service::service* first_service_;
- };
- } // namespace detail
- } // namespace asio
- } // namespace boost
- #include <boost/asio/detail/pop_options.hpp>
- #include <boost/asio/detail/impl/service_registry.hpp>
- #if defined(BOOST_ASIO_HEADER_ONLY)
- # include <boost/asio/detail/impl/service_registry.ipp>
- #endif // defined(BOOST_ASIO_HEADER_ONLY)
- #endif // BOOST_ASIO_DETAIL_SERVICE_REGISTRY_HPP