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-rw-r--r--lib/asio/detail/service_registry.hpp164
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diff --git a/lib/asio/detail/service_registry.hpp b/lib/asio/detail/service_registry.hpp
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-//
-// detail/service_registry.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2018 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_DETAIL_SERVICE_REGISTRY_HPP
-#define ASIO_DETAIL_SERVICE_REGISTRY_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-#include <typeinfo>
-#include "asio/detail/mutex.hpp"
-#include "asio/detail/noncopyable.hpp"
-#include "asio/detail/type_traits.hpp"
-#include "asio/execution_context.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-
-class io_context;
-
-namespace detail {
-
-template <typename T>
-class typeid_wrapper {};
-
-class service_registry
- : private noncopyable
-{
-public:
- // Constructor.
- ASIO_DECL service_registry(execution_context& owner);
-
- // Destructor.
- ASIO_DECL ~service_registry();
-
- // Shutdown all services.
- ASIO_DECL void shutdown_services();
-
- // Destroy all services.
- ASIO_DECL void destroy_services();
-
- // Notify all services of a fork event.
- ASIO_DECL void notify_fork(execution_context::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();
-
- // 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.
- // This overload is used for backwards compatibility with services that
- // inherit from io_context::service.
- template <typename Service>
- Service& use_service(io_context& owner);
-
- // 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:
- // Initalise a service's key when the key_type typedef is not available.
- template <typename Service>
- static void init_key(execution_context::service::key& key, ...);
-
-#if !defined(ASIO_NO_TYPEID)
- // Initalise a service's key when the key_type typedef is available.
- template <typename Service>
- static void init_key(execution_context::service::key& key,
- typename enable_if<
- is_base_of<typename Service::key_type, Service>::value>::type*);
-#endif // !defined(ASIO_NO_TYPEID)
-
- // Initialise a service's key based on its id.
- ASIO_DECL static void init_key_from_id(
- execution_context::service::key& key,
- const execution_context::id& id);
-
-#if !defined(ASIO_NO_TYPEID)
- // Initialise a service's key based on its id.
- template <typename Service>
- static void init_key_from_id(execution_context::service::key& key,
- const service_id<Service>& /*id*/);
-#endif // !defined(ASIO_NO_TYPEID)
-
- // Check if a service matches the given id.
- ASIO_DECL static bool keys_match(
- const execution_context::service::key& key1,
- const execution_context::service::key& key2);
-
- // The type of a factory function used for creating a service instance.
- typedef execution_context::service*(*factory_type)(void*);
-
- // Factory function for creating a service instance.
- template <typename Service, typename Owner>
- static execution_context::service* create(void* owner);
-
- // Destroy a service instance.
- ASIO_DECL static void destroy(execution_context::service* service);
-
- // Helper class to manage service pointers.
- struct auto_service_ptr;
- friend struct auto_service_ptr;
- struct auto_service_ptr
- {
- execution_context::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.
- ASIO_DECL execution_context::service* do_use_service(
- const execution_context::service::key& key,
- factory_type factory, void* owner);
-
- // Add a service object. Throws on error, in which case ownership of the
- // object is retained by the caller.
- ASIO_DECL void do_add_service(
- const execution_context::service::key& key,
- execution_context::service* new_service);
-
- // Check whether a service object with the specified key already exists.
- ASIO_DECL bool do_has_service(
- const execution_context::service::key& key) const;
-
- // Mutex to protect access to internal data.
- mutable asio::detail::mutex mutex_;
-
- // The owner of this service registry and the services it contains.
- execution_context& owner_;
-
- // The first service in the list of contained services.
- execution_context::service* first_service_;
-};
-
-} // namespace detail
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#include "asio/detail/impl/service_registry.hpp"
-#if defined(ASIO_HEADER_ONLY)
-# include "asio/detail/impl/service_registry.ipp"
-#endif // defined(ASIO_HEADER_ONLY)
-
-#endif // ASIO_DETAIL_SERVICE_REGISTRY_HPP