summaryrefslogtreecommitdiff
path: root/boost/asio/detail/service_registry.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'boost/asio/detail/service_registry.hpp')
-rw-r--r--boost/asio/detail/service_registry.hpp164
1 files changed, 164 insertions, 0 deletions
diff --git a/boost/asio/detail/service_registry.hpp b/boost/asio/detail/service_registry.hpp
new file mode 100644
index 0000000000..458f2711b5
--- /dev/null
+++ b/boost/asio/detail/service_registry.hpp
@@ -0,0 +1,164 @@
+//
+// detail/service_registry.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2012 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. Adds the initial service.
+ template <typename Service, typename Arg>
+ service_registry(boost::asio::io_service& o,
+ Service* initial_service, Arg arg);
+
+ // 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 first service object cast to the specified type. Called during
+ // io_service construction and so performs no locking or type checking.
+ template <typename Service>
+ Service& first_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.
+ 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. Throws 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