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696 lines
24 KiB
696 lines
24 KiB
// |
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// impl/read.hpp |
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// ~~~~~~~~~~~~~ |
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// |
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// Copyright (c) 2003-2011 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
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// |
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// Distributed under the Boost Software License, Version 1.0. (See accompanying |
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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// |
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#ifndef BOOST_ASIO_IMPL_READ_HPP |
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#define BOOST_ASIO_IMPL_READ_HPP |
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#if defined(_MSC_VER) && (_MSC_VER >= 1200) |
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# pragma once |
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
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#include <algorithm> |
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#include <boost/asio/buffer.hpp> |
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#include <boost/asio/completion_condition.hpp> |
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#include <boost/asio/detail/array_fwd.hpp> |
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#include <boost/asio/detail/base_from_completion_cond.hpp> |
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#include <boost/asio/detail/bind_handler.hpp> |
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#include <boost/asio/detail/consuming_buffers.hpp> |
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#include <boost/asio/detail/dependent_type.hpp> |
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#include <boost/asio/detail/handler_alloc_helpers.hpp> |
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#include <boost/asio/detail/handler_invoke_helpers.hpp> |
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#include <boost/asio/detail/handler_type_requirements.hpp> |
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#include <boost/asio/detail/throw_error.hpp> |
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#include <boost/asio/error.hpp> |
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#include <boost/asio/detail/push_options.hpp> |
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namespace boost { |
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namespace asio { |
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template <typename SyncReadStream, typename MutableBufferSequence, |
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typename CompletionCondition> |
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std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers, |
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CompletionCondition completion_condition, boost::system::error_code& ec) |
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{ |
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ec = boost::system::error_code(); |
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boost::asio::detail::consuming_buffers< |
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mutable_buffer, MutableBufferSequence> tmp(buffers); |
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std::size_t total_transferred = 0; |
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tmp.prepare(detail::adapt_completion_condition_result( |
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completion_condition(ec, total_transferred))); |
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while (tmp.begin() != tmp.end()) |
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{ |
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std::size_t bytes_transferred = s.read_some(tmp, ec); |
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tmp.consume(bytes_transferred); |
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total_transferred += bytes_transferred; |
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tmp.prepare(detail::adapt_completion_condition_result( |
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completion_condition(ec, total_transferred))); |
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} |
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return total_transferred; |
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} |
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template <typename SyncReadStream, typename MutableBufferSequence> |
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inline std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers) |
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{ |
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boost::system::error_code ec; |
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std::size_t bytes_transferred = read(s, buffers, transfer_all(), ec); |
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boost::asio::detail::throw_error(ec, "read"); |
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return bytes_transferred; |
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} |
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template <typename SyncReadStream, typename MutableBufferSequence> |
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inline std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers, |
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boost::system::error_code& ec) |
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{ |
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return read(s, buffers, transfer_all(), ec); |
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} |
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template <typename SyncReadStream, typename MutableBufferSequence, |
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typename CompletionCondition> |
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inline std::size_t read(SyncReadStream& s, const MutableBufferSequence& buffers, |
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CompletionCondition completion_condition) |
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{ |
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boost::system::error_code ec; |
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std::size_t bytes_transferred = read(s, buffers, completion_condition, ec); |
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boost::asio::detail::throw_error(ec, "read"); |
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return bytes_transferred; |
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} |
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#if !defined(BOOST_NO_IOSTREAM) |
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template <typename SyncReadStream, typename Allocator, |
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typename CompletionCondition> |
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std::size_t read(SyncReadStream& s, |
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boost::asio::basic_streambuf<Allocator>& b, |
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CompletionCondition completion_condition, boost::system::error_code& ec) |
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{ |
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ec = boost::system::error_code(); |
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std::size_t total_transferred = 0; |
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std::size_t max_size = detail::adapt_completion_condition_result( |
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completion_condition(ec, total_transferred)); |
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std::size_t bytes_available = read_size_helper(b, max_size); |
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while (bytes_available > 0) |
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{ |
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std::size_t bytes_transferred = s.read_some(b.prepare(bytes_available), ec); |
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b.commit(bytes_transferred); |
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total_transferred += bytes_transferred; |
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max_size = detail::adapt_completion_condition_result( |
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completion_condition(ec, total_transferred)); |
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bytes_available = read_size_helper(b, max_size); |
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} |
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return total_transferred; |
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} |
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template <typename SyncReadStream, typename Allocator> |
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inline std::size_t read(SyncReadStream& s, |
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boost::asio::basic_streambuf<Allocator>& b) |
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{ |
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boost::system::error_code ec; |
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std::size_t bytes_transferred = read(s, b, transfer_all(), ec); |
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boost::asio::detail::throw_error(ec, "read"); |
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return bytes_transferred; |
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} |
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template <typename SyncReadStream, typename Allocator> |
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inline std::size_t read(SyncReadStream& s, |
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boost::asio::basic_streambuf<Allocator>& b, |
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boost::system::error_code& ec) |
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{ |
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return read(s, b, transfer_all(), ec); |
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} |
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template <typename SyncReadStream, typename Allocator, |
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typename CompletionCondition> |
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inline std::size_t read(SyncReadStream& s, |
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boost::asio::basic_streambuf<Allocator>& b, |
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CompletionCondition completion_condition) |
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{ |
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boost::system::error_code ec; |
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std::size_t bytes_transferred = read(s, b, completion_condition, ec); |
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boost::asio::detail::throw_error(ec, "read"); |
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return bytes_transferred; |
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} |
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#endif // !defined(BOOST_NO_IOSTREAM) |
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namespace detail |
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{ |
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template <typename AsyncReadStream, typename MutableBufferSequence, |
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typename CompletionCondition, typename ReadHandler> |
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class read_op |
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: detail::base_from_completion_cond<CompletionCondition> |
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{ |
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public: |
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read_op(AsyncReadStream& stream, const MutableBufferSequence& buffers, |
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CompletionCondition completion_condition, ReadHandler& handler) |
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: detail::base_from_completion_cond< |
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CompletionCondition>(completion_condition), |
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stream_(stream), |
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buffers_(buffers), |
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total_transferred_(0), |
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handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(handler)) |
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{ |
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} |
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#if defined(BOOST_ASIO_HAS_MOVE) |
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read_op(const read_op& other) |
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: detail::base_from_completion_cond<CompletionCondition>(other), |
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stream_(other.stream_), |
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buffers_(other.buffers_), |
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total_transferred_(other.total_transferred_), |
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handler_(other.handler_) |
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{ |
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} |
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read_op(read_op&& other) |
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: detail::base_from_completion_cond<CompletionCondition>(other), |
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stream_(other.stream_), |
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buffers_(other.buffers_), |
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total_transferred_(other.total_transferred_), |
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handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(other.handler_)) |
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{ |
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} |
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#endif // defined(BOOST_ASIO_HAS_MOVE) |
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void operator()(const boost::system::error_code& ec, |
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std::size_t bytes_transferred, int start = 0) |
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{ |
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switch (start) |
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{ |
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case 1: |
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buffers_.prepare(this->check_for_completion(ec, total_transferred_)); |
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for (;;) |
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{ |
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stream_.async_read_some(buffers_, |
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BOOST_ASIO_MOVE_CAST(read_op)(*this)); |
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return; default: |
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total_transferred_ += bytes_transferred; |
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buffers_.consume(bytes_transferred); |
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buffers_.prepare(this->check_for_completion(ec, total_transferred_)); |
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if ((!ec && bytes_transferred == 0) |
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|| buffers_.begin() == buffers_.end()) |
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break; |
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} |
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handler_(ec, static_cast<const std::size_t&>(total_transferred_)); |
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} |
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} |
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//private: |
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AsyncReadStream& stream_; |
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boost::asio::detail::consuming_buffers< |
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mutable_buffer, MutableBufferSequence> buffers_; |
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std::size_t total_transferred_; |
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ReadHandler handler_; |
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}; |
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template <typename AsyncReadStream, |
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typename CompletionCondition, typename ReadHandler> |
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class read_op<AsyncReadStream, boost::asio::mutable_buffers_1, |
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CompletionCondition, ReadHandler> |
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: detail::base_from_completion_cond<CompletionCondition> |
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{ |
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public: |
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read_op(AsyncReadStream& stream, |
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const boost::asio::mutable_buffers_1& buffers, |
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CompletionCondition completion_condition, ReadHandler& handler) |
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: detail::base_from_completion_cond< |
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CompletionCondition>(completion_condition), |
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stream_(stream), |
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buffer_(buffers), |
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total_transferred_(0), |
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handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(handler)) |
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{ |
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} |
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#if defined(BOOST_ASIO_HAS_MOVE) |
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read_op(const read_op& other) |
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: detail::base_from_completion_cond<CompletionCondition>(other), |
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stream_(other.stream_), |
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buffer_(other.buffer_), |
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total_transferred_(other.total_transferred_), |
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handler_(other.handler_) |
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{ |
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} |
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read_op(read_op&& other) |
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: detail::base_from_completion_cond<CompletionCondition>(other), |
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stream_(other.stream_), |
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buffer_(other.buffer_), |
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total_transferred_(other.total_transferred_), |
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handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(other.handler_)) |
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{ |
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} |
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#endif // defined(BOOST_ASIO_HAS_MOVE) |
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void operator()(const boost::system::error_code& ec, |
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std::size_t bytes_transferred, int start = 0) |
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{ |
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std::size_t n = 0; |
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switch (start) |
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{ |
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case 1: |
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n = this->check_for_completion(ec, total_transferred_); |
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for (;;) |
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{ |
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stream_.async_read_some( |
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boost::asio::buffer(buffer_ + total_transferred_, n), |
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BOOST_ASIO_MOVE_CAST(read_op)(*this)); |
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return; default: |
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total_transferred_ += bytes_transferred; |
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if ((!ec && bytes_transferred == 0) |
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|| (n = this->check_for_completion(ec, total_transferred_)) == 0 |
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|| total_transferred_ == boost::asio::buffer_size(buffer_)) |
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break; |
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} |
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handler_(ec, static_cast<const std::size_t&>(total_transferred_)); |
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} |
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} |
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//private: |
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AsyncReadStream& stream_; |
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boost::asio::mutable_buffer buffer_; |
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std::size_t total_transferred_; |
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ReadHandler handler_; |
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}; |
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template <typename AsyncReadStream, typename Elem, |
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typename CompletionCondition, typename ReadHandler> |
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class read_op<AsyncReadStream, boost::array<Elem, 2>, |
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CompletionCondition, ReadHandler> |
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: detail::base_from_completion_cond<CompletionCondition> |
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{ |
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public: |
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read_op(AsyncReadStream& stream, const boost::array<Elem, 2>& buffers, |
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CompletionCondition completion_condition, ReadHandler& handler) |
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: detail::base_from_completion_cond< |
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CompletionCondition>(completion_condition), |
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stream_(stream), |
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buffers_(buffers), |
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total_transferred_(0), |
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handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(handler)) |
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{ |
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} |
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#if defined(BOOST_ASIO_HAS_MOVE) |
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read_op(const read_op& other) |
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: detail::base_from_completion_cond<CompletionCondition>(other), |
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stream_(other.stream_), |
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buffers_(other.buffers_), |
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total_transferred_(other.total_transferred_), |
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handler_(other.handler_) |
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{ |
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} |
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read_op(read_op&& other) |
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: detail::base_from_completion_cond<CompletionCondition>(other), |
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stream_(other.stream_), |
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buffers_(other.buffers_), |
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total_transferred_(other.total_transferred_), |
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handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(other.handler_)) |
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{ |
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} |
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#endif // defined(BOOST_ASIO_HAS_MOVE) |
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void operator()(const boost::system::error_code& ec, |
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std::size_t bytes_transferred, int start = 0) |
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{ |
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typename boost::asio::detail::dependent_type<Elem, |
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boost::array<boost::asio::mutable_buffer, 2> >::type bufs = {{ |
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boost::asio::mutable_buffer(buffers_[0]), |
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boost::asio::mutable_buffer(buffers_[1]) }}; |
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std::size_t buffer_size0 = boost::asio::buffer_size(bufs[0]); |
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std::size_t buffer_size1 = boost::asio::buffer_size(bufs[1]); |
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std::size_t n = 0; |
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switch (start) |
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{ |
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case 1: |
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n = this->check_for_completion(ec, total_transferred_); |
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for (;;) |
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{ |
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bufs[0] = boost::asio::buffer(bufs[0] + total_transferred_, n); |
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bufs[1] = boost::asio::buffer( |
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bufs[1] + (total_transferred_ < buffer_size0 |
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? 0 : total_transferred_ - buffer_size0), |
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n - boost::asio::buffer_size(bufs[0])); |
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stream_.async_read_some(bufs, BOOST_ASIO_MOVE_CAST(read_op)(*this)); |
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return; default: |
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total_transferred_ += bytes_transferred; |
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if ((!ec && bytes_transferred == 0) |
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|| (n = this->check_for_completion(ec, total_transferred_)) == 0 |
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|| total_transferred_ == buffer_size0 + buffer_size1) |
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break; |
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} |
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handler_(ec, static_cast<const std::size_t&>(total_transferred_)); |
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} |
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} |
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//private: |
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AsyncReadStream& stream_; |
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boost::array<Elem, 2> buffers_; |
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std::size_t total_transferred_; |
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ReadHandler handler_; |
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}; |
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#if defined(BOOST_ASIO_HAS_STD_ARRAY) |
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template <typename AsyncReadStream, typename Elem, |
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typename CompletionCondition, typename ReadHandler> |
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class read_op<AsyncReadStream, std::array<Elem, 2>, |
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CompletionCondition, ReadHandler> |
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: detail::base_from_completion_cond<CompletionCondition> |
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{ |
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public: |
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read_op(AsyncReadStream& stream, const std::array<Elem, 2>& buffers, |
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CompletionCondition completion_condition, ReadHandler& handler) |
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: detail::base_from_completion_cond< |
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CompletionCondition>(completion_condition), |
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stream_(stream), |
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buffers_(buffers), |
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total_transferred_(0), |
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handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(handler)) |
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{ |
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} |
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#if defined(BOOST_ASIO_HAS_MOVE) |
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read_op(const read_op& other) |
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: detail::base_from_completion_cond<CompletionCondition>(other), |
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stream_(other.stream_), |
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buffers_(other.buffers_), |
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total_transferred_(other.total_transferred_), |
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handler_(other.handler_) |
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{ |
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} |
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read_op(read_op&& other) |
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: detail::base_from_completion_cond<CompletionCondition>(other), |
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stream_(other.stream_), |
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buffers_(other.buffers_), |
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total_transferred_(other.total_transferred_), |
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handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(other.handler_)) |
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{ |
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} |
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#endif // defined(BOOST_ASIO_HAS_MOVE) |
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void operator()(const boost::system::error_code& ec, |
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std::size_t bytes_transferred, int start = 0) |
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{ |
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typename boost::asio::detail::dependent_type<Elem, |
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std::array<boost::asio::mutable_buffer, 2> >::type bufs = {{ |
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boost::asio::mutable_buffer(buffers_[0]), |
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boost::asio::mutable_buffer(buffers_[1]) }}; |
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std::size_t buffer_size0 = boost::asio::buffer_size(bufs[0]); |
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std::size_t buffer_size1 = boost::asio::buffer_size(bufs[1]); |
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std::size_t n = 0; |
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switch (start) |
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{ |
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case 1: |
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n = this->check_for_completion(ec, total_transferred_); |
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for (;;) |
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{ |
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bufs[0] = boost::asio::buffer(bufs[0] + total_transferred_, n); |
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bufs[1] = boost::asio::buffer( |
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bufs[1] + (total_transferred_ < buffer_size0 |
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? 0 : total_transferred_ - buffer_size0), |
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n - boost::asio::buffer_size(bufs[0])); |
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stream_.async_read_some(bufs, BOOST_ASIO_MOVE_CAST(read_op)(*this)); |
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return; default: |
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total_transferred_ += bytes_transferred; |
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if ((!ec && bytes_transferred == 0) |
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|| (n = this->check_for_completion(ec, total_transferred_)) == 0 |
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|| total_transferred_ == buffer_size0 + buffer_size1) |
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break; |
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} |
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handler_(ec, static_cast<const std::size_t&>(total_transferred_)); |
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} |
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} |
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//private: |
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AsyncReadStream& stream_; |
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std::array<Elem, 2> buffers_; |
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std::size_t total_transferred_; |
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ReadHandler handler_; |
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}; |
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#endif // defined(BOOST_ASIO_HAS_STD_ARRAY) |
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template <typename AsyncReadStream, typename MutableBufferSequence, |
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typename CompletionCondition, typename ReadHandler> |
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inline void* asio_handler_allocate(std::size_t size, |
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read_op<AsyncReadStream, MutableBufferSequence, |
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CompletionCondition, ReadHandler>* this_handler) |
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{ |
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return boost_asio_handler_alloc_helpers::allocate( |
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size, this_handler->handler_); |
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} |
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template <typename AsyncReadStream, typename MutableBufferSequence, |
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typename CompletionCondition, typename ReadHandler> |
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inline void asio_handler_deallocate(void* pointer, std::size_t size, |
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read_op<AsyncReadStream, MutableBufferSequence, |
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CompletionCondition, ReadHandler>* this_handler) |
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{ |
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boost_asio_handler_alloc_helpers::deallocate( |
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pointer, size, this_handler->handler_); |
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} |
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template <typename Function, typename AsyncReadStream, |
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typename MutableBufferSequence, typename CompletionCondition, |
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typename ReadHandler> |
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inline void asio_handler_invoke(Function& function, |
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read_op<AsyncReadStream, MutableBufferSequence, |
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CompletionCondition, ReadHandler>* this_handler) |
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{ |
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boost_asio_handler_invoke_helpers::invoke( |
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function, this_handler->handler_); |
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} |
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template <typename Function, typename AsyncReadStream, |
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typename MutableBufferSequence, typename CompletionCondition, |
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typename ReadHandler> |
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inline void asio_handler_invoke(const Function& function, |
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read_op<AsyncReadStream, MutableBufferSequence, |
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CompletionCondition, ReadHandler>* this_handler) |
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{ |
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boost_asio_handler_invoke_helpers::invoke( |
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function, this_handler->handler_); |
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} |
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template <typename AsyncReadStream, typename MutableBufferSequence, |
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typename CompletionCondition, typename ReadHandler> |
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inline read_op<AsyncReadStream, MutableBufferSequence, |
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CompletionCondition, ReadHandler> |
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make_read_op(AsyncReadStream& s, const MutableBufferSequence& buffers, |
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CompletionCondition completion_condition, ReadHandler handler) |
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{ |
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return read_op<AsyncReadStream, MutableBufferSequence, CompletionCondition, |
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ReadHandler>(s, buffers, completion_condition, handler); |
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} |
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} // namespace detail |
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template <typename AsyncReadStream, typename MutableBufferSequence, |
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typename CompletionCondition, typename ReadHandler> |
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inline void async_read(AsyncReadStream& s, const MutableBufferSequence& buffers, |
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CompletionCondition completion_condition, |
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BOOST_ASIO_MOVE_ARG(ReadHandler) handler) |
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{ |
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// If you get an error on the following line it means that your handler does |
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// not meet the documented type requirements for a ReadHandler. |
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BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check; |
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detail::make_read_op( |
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s, buffers, completion_condition, |
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BOOST_ASIO_MOVE_CAST(ReadHandler)(handler))( |
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boost::system::error_code(), 0, 1); |
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} |
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template <typename AsyncReadStream, typename MutableBufferSequence, |
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typename ReadHandler> |
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inline void async_read(AsyncReadStream& s, const MutableBufferSequence& buffers, |
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BOOST_ASIO_MOVE_ARG(ReadHandler) handler) |
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{ |
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// If you get an error on the following line it means that your handler does |
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// not meet the documented type requirements for a ReadHandler. |
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BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check; |
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detail::make_read_op( |
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s, buffers, transfer_all(), BOOST_ASIO_MOVE_CAST(ReadHandler)(handler))( |
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boost::system::error_code(), 0, 1); |
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} |
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|
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#if !defined(BOOST_NO_IOSTREAM) |
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|
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namespace detail |
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{ |
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template <typename AsyncReadStream, typename Allocator, |
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typename CompletionCondition, typename ReadHandler> |
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class read_streambuf_op |
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: detail::base_from_completion_cond<CompletionCondition> |
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{ |
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public: |
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read_streambuf_op(AsyncReadStream& stream, |
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basic_streambuf<Allocator>& streambuf, |
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CompletionCondition completion_condition, ReadHandler& handler) |
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: detail::base_from_completion_cond< |
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CompletionCondition>(completion_condition), |
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stream_(stream), |
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streambuf_(streambuf), |
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total_transferred_(0), |
|
handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(handler)) |
|
{ |
|
} |
|
|
|
#if defined(BOOST_ASIO_HAS_MOVE) |
|
read_streambuf_op(const read_streambuf_op& other) |
|
: detail::base_from_completion_cond<CompletionCondition>(other), |
|
stream_(other.stream_), |
|
streambuf_(other.streambuf_), |
|
total_transferred_(other.total_transferred_), |
|
handler_(other.handler_) |
|
{ |
|
} |
|
|
|
read_streambuf_op(read_streambuf_op&& other) |
|
: detail::base_from_completion_cond<CompletionCondition>(other), |
|
stream_(other.stream_), |
|
streambuf_(other.streambuf_), |
|
total_transferred_(other.total_transferred_), |
|
handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(other.handler_)) |
|
{ |
|
} |
|
#endif // defined(BOOST_ASIO_HAS_MOVE) |
|
|
|
void operator()(const boost::system::error_code& ec, |
|
std::size_t bytes_transferred, int start = 0) |
|
{ |
|
std::size_t max_size, bytes_available; |
|
switch (start) |
|
{ |
|
case 1: |
|
max_size = this->check_for_completion(ec, total_transferred_); |
|
bytes_available = read_size_helper(streambuf_, max_size); |
|
for (;;) |
|
{ |
|
stream_.async_read_some(streambuf_.prepare(bytes_available), |
|
BOOST_ASIO_MOVE_CAST(read_streambuf_op)(*this)); |
|
return; default: |
|
total_transferred_ += bytes_transferred; |
|
streambuf_.commit(bytes_transferred); |
|
max_size = this->check_for_completion(ec, total_transferred_); |
|
bytes_available = read_size_helper(streambuf_, max_size); |
|
if ((!ec && bytes_transferred == 0) || bytes_available == 0) |
|
break; |
|
} |
|
|
|
handler_(ec, static_cast<const std::size_t&>(total_transferred_)); |
|
} |
|
} |
|
|
|
//private: |
|
AsyncReadStream& stream_; |
|
boost::asio::basic_streambuf<Allocator>& streambuf_; |
|
std::size_t total_transferred_; |
|
ReadHandler handler_; |
|
}; |
|
|
|
template <typename AsyncReadStream, typename Allocator, |
|
typename CompletionCondition, typename ReadHandler> |
|
inline void* asio_handler_allocate(std::size_t size, |
|
read_streambuf_op<AsyncReadStream, Allocator, |
|
CompletionCondition, ReadHandler>* this_handler) |
|
{ |
|
return boost_asio_handler_alloc_helpers::allocate( |
|
size, this_handler->handler_); |
|
} |
|
|
|
template <typename AsyncReadStream, typename Allocator, |
|
typename CompletionCondition, typename ReadHandler> |
|
inline void asio_handler_deallocate(void* pointer, std::size_t size, |
|
read_streambuf_op<AsyncReadStream, Allocator, |
|
CompletionCondition, ReadHandler>* this_handler) |
|
{ |
|
boost_asio_handler_alloc_helpers::deallocate( |
|
pointer, size, this_handler->handler_); |
|
} |
|
|
|
template <typename Function, typename AsyncReadStream, |
|
typename Allocator, typename CompletionCondition, typename ReadHandler> |
|
inline void asio_handler_invoke(Function& function, |
|
read_streambuf_op<AsyncReadStream, Allocator, |
|
CompletionCondition, ReadHandler>* this_handler) |
|
{ |
|
boost_asio_handler_invoke_helpers::invoke( |
|
function, this_handler->handler_); |
|
} |
|
|
|
template <typename Function, typename AsyncReadStream, |
|
typename Allocator, typename CompletionCondition, typename ReadHandler> |
|
inline void asio_handler_invoke(const Function& function, |
|
read_streambuf_op<AsyncReadStream, Allocator, |
|
CompletionCondition, ReadHandler>* this_handler) |
|
{ |
|
boost_asio_handler_invoke_helpers::invoke( |
|
function, this_handler->handler_); |
|
} |
|
|
|
template <typename AsyncReadStream, typename Allocator, |
|
typename CompletionCondition, typename ReadHandler> |
|
inline read_streambuf_op<AsyncReadStream, Allocator, |
|
CompletionCondition, ReadHandler> |
|
make_read_streambuf_op( |
|
AsyncReadStream& s, boost::asio::basic_streambuf<Allocator>& b, |
|
CompletionCondition completion_condition, ReadHandler handler) |
|
{ |
|
return read_streambuf_op<AsyncReadStream, Allocator, CompletionCondition, |
|
ReadHandler>(s, b, completion_condition, handler); |
|
} |
|
} // namespace detail |
|
|
|
template <typename AsyncReadStream, typename Allocator, |
|
typename CompletionCondition, typename ReadHandler> |
|
inline void async_read(AsyncReadStream& s, |
|
boost::asio::basic_streambuf<Allocator>& b, |
|
CompletionCondition completion_condition, |
|
BOOST_ASIO_MOVE_ARG(ReadHandler) handler) |
|
{ |
|
// If you get an error on the following line it means that your handler does |
|
// not meet the documented type requirements for a ReadHandler. |
|
BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check; |
|
|
|
detail::make_read_streambuf_op( |
|
s, b, completion_condition, BOOST_ASIO_MOVE_CAST(ReadHandler)(handler))( |
|
boost::system::error_code(), 0, 1); |
|
} |
|
|
|
template <typename AsyncReadStream, typename Allocator, typename ReadHandler> |
|
inline void async_read(AsyncReadStream& s, |
|
boost::asio::basic_streambuf<Allocator>& b, |
|
BOOST_ASIO_MOVE_ARG(ReadHandler) handler) |
|
{ |
|
// If you get an error on the following line it means that your handler does |
|
// not meet the documented type requirements for a ReadHandler. |
|
BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check; |
|
|
|
detail::make_read_streambuf_op( |
|
s, b, transfer_all(), BOOST_ASIO_MOVE_CAST(ReadHandler)(handler))( |
|
boost::system::error_code(), 0, 1); |
|
} |
|
|
|
#endif // !defined(BOOST_NO_IOSTREAM) |
|
|
|
} // namespace asio |
|
} // namespace boost |
|
|
|
#include <boost/asio/detail/pop_options.hpp> |
|
|
|
#endif // BOOST_ASIO_IMPL_READ_HPP
|
|
|