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1 | // |
2 | // io_service_pool.hpp | |
3 | // ~~~~~~~~~~~~~~~~~~~ | |
4 | // | |
5 | // Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com) | |
6 | // | |
7 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
8 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
9 | // | |
10 | ||
11 | #ifndef HTTP_SERVER2_IO_SERVICE_POOL_HPP | |
12 | #define HTTP_SERVER2_IO_SERVICE_POOL_HPP | |
13 | ||
14 | #include <boost/asio.hpp> | |
15 | #include <vector> | |
16 | #include <boost/noncopyable.hpp> | |
17 | #include <boost/shared_ptr.hpp> | |
18 | ||
19 | namespace http { | |
20 | namespace server2 { | |
21 | ||
22 | /// A pool of io_service objects. | |
23 | class io_service_pool | |
24 | : private boost::noncopyable | |
25 | { | |
26 | public: | |
27 | /// Construct the io_service pool. | |
28 | explicit io_service_pool(std::size_t pool_size); | |
29 | ||
30 | /// Run all io_service objects in the pool. | |
31 | void run(); | |
32 | ||
33 | /// Stop all io_service objects in the pool. | |
34 | void stop(); | |
35 | ||
36 | /// Get an io_service to use. | |
37 | boost::asio::io_service& get_io_service(); | |
38 | ||
39 | private: | |
40 | typedef boost::shared_ptr<boost::asio::io_service> io_service_ptr; | |
41 | typedef boost::shared_ptr<boost::asio::io_service::work> work_ptr; | |
42 | ||
43 | /// The pool of io_services. | |
44 | std::vector<io_service_ptr> io_services_; | |
45 | ||
46 | /// The work that keeps the io_services running. | |
47 | std::vector<work_ptr> work_; | |
48 | ||
49 | /// The next io_service to use for a connection. | |
50 | std::size_t next_io_service_; | |
51 | }; | |
52 | ||
53 | } // namespace server2 | |
54 | } // namespace http | |
55 | ||
56 | #endif // HTTP_SERVER2_IO_SERVICE_POOL_HPP |