1 //
2 // ssl/detail/write_op.hpp
3 // ~~~~~~~~~~~~~~~~~~~~~~~
4 //
5 // Copyright (c) 2003-2021 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_SSL_DETAIL_WRITE_OP_HPP
12 #define BOOST_ASIO_SSL_DETAIL_WRITE_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 
20 #include <boost/asio/detail/buffer_sequence_adapter.hpp>
21 #include <boost/asio/ssl/detail/engine.hpp>
22 
23 #include <boost/asio/detail/push_options.hpp>
24 
25 namespace boost {
26 namespace asio {
27 namespace ssl {
28 namespace detail {
29 
30 template <typename ConstBufferSequence>
31 class write_op
32 {
33 public:
tracking_name()34   static BOOST_ASIO_CONSTEXPR const char* tracking_name()
35   {
36     return "ssl::stream<>::async_write_some";
37   }
38 
write_op(const ConstBufferSequence & buffers)39   write_op(const ConstBufferSequence& buffers)
40     : buffers_(buffers)
41   {
42   }
43 
operator ()(engine & eng,boost::system::error_code & ec,std::size_t & bytes_transferred) const44   engine::want operator()(engine& eng,
45       boost::system::error_code& ec,
46       std::size_t& bytes_transferred) const
47   {
48     unsigned char storage[
49       boost::asio::detail::buffer_sequence_adapter<boost::asio::const_buffer,
50         ConstBufferSequence>::linearisation_storage_size];
51 
52     boost::asio::const_buffer buffer =
53       boost::asio::detail::buffer_sequence_adapter<boost::asio::const_buffer,
54         ConstBufferSequence>::linearise(buffers_, boost::asio::buffer(storage));
55 
56     return eng.write(buffer, ec, bytes_transferred);
57   }
58 
59   template <typename Handler>
call_handler(Handler & handler,const boost::system::error_code & ec,const std::size_t & bytes_transferred) const60   void call_handler(Handler& handler,
61       const boost::system::error_code& ec,
62       const std::size_t& bytes_transferred) const
63   {
64     BOOST_ASIO_MOVE_OR_LVALUE(Handler)(handler)(ec, bytes_transferred);
65   }
66 
67 private:
68   ConstBufferSequence buffers_;
69 };
70 
71 } // namespace detail
72 } // namespace ssl
73 } // namespace asio
74 } // namespace boost
75 
76 #include <boost/asio/detail/pop_options.hpp>
77 
78 #endif // BOOST_ASIO_SSL_DETAIL_WRITE_OP_HPP
79