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7c673cae FG |
1 | // |
2 | // detail/reactor_op.hpp | |
3 | // ~~~~~~~~~~~~~~~~~~~~~ | |
4 | // | |
92f5a8d4 | 5 | // Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
7c673cae FG |
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 BOOST_ASIO_DETAIL_REACTOR_OP_HPP | |
12 | #define BOOST_ASIO_DETAIL_REACTOR_OP_HPP | |
13 | ||
14 | #if defined(_MSC_VER) && (_MSC_VER >= 1200) | |
15 | # pragma once | |
16 | #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) | |
17 | ||
18 | #include <boost/asio/detail/config.hpp> | |
19 | #include <boost/asio/detail/operation.hpp> | |
20 | ||
21 | #include <boost/asio/detail/push_options.hpp> | |
22 | ||
23 | namespace boost { | |
24 | namespace asio { | |
25 | namespace detail { | |
26 | ||
27 | class reactor_op | |
28 | : public operation | |
29 | { | |
30 | public: | |
31 | // The error code to be passed to the completion handler. | |
32 | boost::system::error_code ec_; | |
33 | ||
34 | // The number of bytes transferred, to be passed to the completion handler. | |
35 | std::size_t bytes_transferred_; | |
36 | ||
b32b8144 FG |
37 | // Status returned by perform function. May be used to decide whether it is |
38 | // worth performing more operations on the descriptor immediately. | |
39 | enum status { not_done, done, done_and_exhausted }; | |
40 | ||
7c673cae | 41 | // Perform the operation. Returns true if it is finished. |
b32b8144 | 42 | status perform() |
7c673cae FG |
43 | { |
44 | return perform_func_(this); | |
45 | } | |
46 | ||
47 | protected: | |
b32b8144 | 48 | typedef status (*perform_func_type)(reactor_op*); |
7c673cae FG |
49 | |
50 | reactor_op(perform_func_type perform_func, func_type complete_func) | |
51 | : operation(complete_func), | |
52 | bytes_transferred_(0), | |
53 | perform_func_(perform_func) | |
54 | { | |
55 | } | |
56 | ||
57 | private: | |
58 | perform_func_type perform_func_; | |
59 | }; | |
60 | ||
61 | } // namespace detail | |
62 | } // namespace asio | |
63 | } // namespace boost | |
64 | ||
65 | #include <boost/asio/detail/pop_options.hpp> | |
66 | ||
67 | #endif // BOOST_ASIO_DETAIL_REACTOR_OP_HPP |