59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
//
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// io_context_pool.hpp
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// ~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef HTTP_SERVER2_IO_SERVICE_POOL_HPP
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#define HTTP_SERVER2_IO_SERVICE_POOL_HPP
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#include <boost/asio.hpp>
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#include <list>
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#include <vector>
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#include <boost/noncopyable.hpp>
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#include <boost/shared_ptr.hpp>
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namespace http {
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namespace server2 {
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/// A pool of io_context objects.
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class io_context_pool
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: private boost::noncopyable
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{
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public:
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/// Construct the io_context pool.
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explicit io_context_pool(std::size_t pool_size);
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/// Run all io_context objects in the pool.
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void run();
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/// Stop all io_context objects in the pool.
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void stop();
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/// Get an io_context to use.
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boost::asio::io_context& get_io_context();
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private:
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typedef boost::shared_ptr<boost::asio::io_context> io_context_ptr;
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typedef boost::asio::executor_work_guard<
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boost::asio::io_context::executor_type> io_context_work;
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/// The pool of io_contexts.
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std::vector<io_context_ptr> io_contexts_;
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/// The work that keeps the io_contexts running.
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std::list<io_context_work> work_;
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/// The next io_context to use for a connection.
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std::size_t next_io_context_;
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};
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} // namespace server2
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} // namespace http
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#endif // HTTP_SERVER2_IO_SERVICE_POOL_HPP
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