1 //
2 // detail/reactor_op.hpp
3 // ~~~~~~~~~~~~~~~~~~~~~
4 //
5 // Copyright (c) 2003-2015 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 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 
37   // Perform the operation. Returns true if it is finished.
perform()38   bool perform()
39   {
40     return perform_func_(this);
41   }
42 
43 protected:
44   typedef bool (*perform_func_type)(reactor_op*);
45 
reactor_op(perform_func_type perform_func,func_type complete_func)46   reactor_op(perform_func_type perform_func, func_type complete_func)
47     : operation(complete_func),
48       bytes_transferred_(0),
49       perform_func_(perform_func)
50   {
51   }
52 
53 private:
54   perform_func_type perform_func_;
55 };
56 
57 } // namespace detail
58 } // namespace asio
59 } // namespace boost
60 
61 #include <boost/asio/detail/pop_options.hpp>
62 
63 #endif // BOOST_ASIO_DETAIL_REACTOR_OP_HPP
64