1 // 2 // ssl/detail/read_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_READ_OP_HPP 12 #define BOOST_ASIO_SSL_DETAIL_READ_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 MutableBufferSequence> 31 class read_op 32 { 33 public: tracking_name()34 static BOOST_ASIO_CONSTEXPR const char* tracking_name() 35 { 36 return "ssl::stream<>::async_read_some"; 37 } 38 read_op(const MutableBufferSequence & buffers)39 read_op(const MutableBufferSequence& 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 boost::asio::mutable_buffer buffer = 49 boost::asio::detail::buffer_sequence_adapter<boost::asio::mutable_buffer, 50 MutableBufferSequence>::first(buffers_); 51 52 return eng.read(buffer, ec, bytes_transferred); 53 } 54 55 template <typename Handler> call_handler(Handler & handler,const boost::system::error_code & ec,const std::size_t & bytes_transferred) const56 void call_handler(Handler& handler, 57 const boost::system::error_code& ec, 58 const std::size_t& bytes_transferred) const 59 { 60 BOOST_ASIO_MOVE_OR_LVALUE(Handler)(handler)(ec, bytes_transferred); 61 } 62 63 private: 64 MutableBufferSequence buffers_; 65 }; 66 67 } // namespace detail 68 } // namespace ssl 69 } // namespace asio 70 } // namespace boost 71 72 #include <boost/asio/detail/pop_options.hpp> 73 74 #endif // BOOST_ASIO_SSL_DETAIL_READ_OP_HPP 75