| // |
| // detail/reactor_op.hpp |
| // ~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2016 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_REACTOR_OP_HPP |
| #define ASIO_DETAIL_REACTOR_OP_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include "asio/detail/config.hpp" |
| #include "asio/detail/operation.hpp" |
| |
| #include "asio/detail/push_options.hpp" |
| |
| namespace asio { |
| namespace detail { |
| |
| class reactor_op |
| : public operation |
| { |
| public: |
| // The error code to be passed to the completion handler. |
| asio::error_code ec_; |
| |
| // The number of bytes transferred, to be passed to the completion handler. |
| std::size_t bytes_transferred_; |
| |
| // Status returned by perform function. May be used to decide whether it is |
| // worth performing more operations on the descriptor immediately. |
| enum status { not_done, done, done_and_exhausted }; |
| |
| // Perform the operation. Returns true if it is finished. |
| status perform() |
| { |
| return perform_func_(this); |
| } |
| |
| protected: |
| typedef status (*perform_func_type)(reactor_op*); |
| |
| reactor_op(perform_func_type perform_func, func_type complete_func) |
| : operation(complete_func), |
| bytes_transferred_(0), |
| perform_func_(perform_func) |
| { |
| } |
| |
| private: |
| perform_func_type perform_func_; |
| }; |
| |
| } // namespace detail |
| } // namespace asio |
| |
| #include "asio/detail/pop_options.hpp" |
| |
| #endif // ASIO_DETAIL_REACTOR_OP_HPP |