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author | Remko Tronçon <git@el-tramo.be> | 2010-03-28 15:46:49 (GMT) |
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committer | Remko Tronçon <git@el-tramo.be> | 2010-03-28 15:46:49 (GMT) |
commit | f53a1ef582494458301b97bf6e546be52d7ff7e8 (patch) | |
tree | 7571b5cbcbd8a8f1dd1c966c9045b6cb69f0e295 /3rdParty/Boost/src/boost/asio/buffered_stream.hpp | |
parent | 638345680d72ca6acaf123f2c8c1c391f696e371 (diff) | |
download | swift-contrib-f53a1ef582494458301b97bf6e546be52d7ff7e8.zip swift-contrib-f53a1ef582494458301b97bf6e546be52d7ff7e8.tar.bz2 |
Moving submodule contents back.
Diffstat (limited to '3rdParty/Boost/src/boost/asio/buffered_stream.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/asio/buffered_stream.hpp | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/asio/buffered_stream.hpp b/3rdParty/Boost/src/boost/asio/buffered_stream.hpp new file mode 100644 index 0000000..e1b8d38 --- /dev/null +++ b/3rdParty/Boost/src/boost/asio/buffered_stream.hpp @@ -0,0 +1,258 @@ +// +// buffered_stream.hpp +// ~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2008 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 BOOST_ASIO_BUFFERED_STREAM_HPP +#define BOOST_ASIO_BUFFERED_STREAM_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include <boost/asio/detail/push_options.hpp> + +#include <boost/asio/detail/push_options.hpp> +#include <cstddef> +#include <boost/config.hpp> +#include <boost/asio/detail/pop_options.hpp> + +#include <boost/asio/buffered_read_stream.hpp> +#include <boost/asio/buffered_write_stream.hpp> +#include <boost/asio/buffered_stream_fwd.hpp> +#include <boost/asio/error.hpp> +#include <boost/asio/io_service.hpp> +#include <boost/asio/detail/noncopyable.hpp> + +namespace boost { +namespace asio { + +/// Adds buffering to the read- and write-related operations of a stream. +/** + * The buffered_stream class template can be used to add buffering to the + * synchronous and asynchronous read and write operations of a stream. + * + * @par Thread Safety + * @e Distinct @e objects: Safe.@n + * @e Shared @e objects: Unsafe. + * + * @par Concepts: + * AsyncReadStream, AsyncWriteStream, Stream, SyncReadStream, SyncWriteStream. + */ +template <typename Stream> +class buffered_stream + : private noncopyable +{ +public: + /// The type of the next layer. + typedef typename boost::remove_reference<Stream>::type next_layer_type; + + /// The type of the lowest layer. + typedef typename next_layer_type::lowest_layer_type lowest_layer_type; + + /// Construct, passing the specified argument to initialise the next layer. + template <typename Arg> + explicit buffered_stream(Arg& a) + : inner_stream_impl_(a), + stream_impl_(inner_stream_impl_) + { + } + + /// Construct, passing the specified argument to initialise the next layer. + template <typename Arg> + explicit buffered_stream(Arg& a, std::size_t read_buffer_size, + std::size_t write_buffer_size) + : inner_stream_impl_(a, write_buffer_size), + stream_impl_(inner_stream_impl_, read_buffer_size) + { + } + + /// Get a reference to the next layer. + next_layer_type& next_layer() + { + return stream_impl_.next_layer().next_layer(); + } + + /// Get a reference to the lowest layer. + lowest_layer_type& lowest_layer() + { + return stream_impl_.lowest_layer(); + } + + /// Get a const reference to the lowest layer. + const lowest_layer_type& lowest_layer() const + { + return stream_impl_.lowest_layer(); + } + + /// (Deprecated: use get_io_service().) Get the io_service associated with + /// the object. + boost::asio::io_service& io_service() + { + return stream_impl_.get_io_service(); + } + + /// Get the io_service associated with the object. + boost::asio::io_service& get_io_service() + { + return stream_impl_.get_io_service(); + } + + /// Close the stream. + void close() + { + stream_impl_.close(); + } + + /// Close the stream. + boost::system::error_code close(boost::system::error_code& ec) + { + return stream_impl_.close(ec); + } + + /// Flush all data from the buffer to the next layer. Returns the number of + /// bytes written to the next layer on the last write operation. Throws an + /// exception on failure. + std::size_t flush() + { + return stream_impl_.next_layer().flush(); + } + + /// Flush all data from the buffer to the next layer. Returns the number of + /// bytes written to the next layer on the last write operation, or 0 if an + /// error occurred. + std::size_t flush(boost::system::error_code& ec) + { + return stream_impl_.next_layer().flush(ec); + } + + /// Start an asynchronous flush. + template <typename WriteHandler> + void async_flush(WriteHandler handler) + { + return stream_impl_.next_layer().async_flush(handler); + } + + /// Write the given data to the stream. Returns the number of bytes written. + /// Throws an exception on failure. + template <typename ConstBufferSequence> + std::size_t write_some(const ConstBufferSequence& buffers) + { + return stream_impl_.write_some(buffers); + } + + /// Write the given data to the stream. Returns the number of bytes written, + /// or 0 if an error occurred. + template <typename ConstBufferSequence> + std::size_t write_some(const ConstBufferSequence& buffers, + boost::system::error_code& ec) + { + return stream_impl_.write_some(buffers, ec); + } + + /// Start an asynchronous write. The data being written must be valid for the + /// lifetime of the asynchronous operation. + template <typename ConstBufferSequence, typename WriteHandler> + void async_write_some(const ConstBufferSequence& buffers, + WriteHandler handler) + { + stream_impl_.async_write_some(buffers, handler); + } + + /// Fill the buffer with some data. Returns the number of bytes placed in the + /// buffer as a result of the operation. Throws an exception on failure. + std::size_t fill() + { + return stream_impl_.fill(); + } + + /// Fill the buffer with some data. Returns the number of bytes placed in the + /// buffer as a result of the operation, or 0 if an error occurred. + std::size_t fill(boost::system::error_code& ec) + { + return stream_impl_.fill(ec); + } + + /// Start an asynchronous fill. + template <typename ReadHandler> + void async_fill(ReadHandler handler) + { + stream_impl_.async_fill(handler); + } + + /// Read some data from the stream. Returns the number of bytes read. Throws + /// an exception on failure. + template <typename MutableBufferSequence> + std::size_t read_some(const MutableBufferSequence& buffers) + { + return stream_impl_.read_some(buffers); + } + + /// Read some data from the stream. Returns the number of bytes read or 0 if + /// an error occurred. + template <typename MutableBufferSequence> + std::size_t read_some(const MutableBufferSequence& buffers, + boost::system::error_code& ec) + { + return stream_impl_.read_some(buffers, ec); + } + + /// Start an asynchronous read. The buffer into which the data will be read + /// must be valid for the lifetime of the asynchronous operation. + template <typename MutableBufferSequence, typename ReadHandler> + void async_read_some(const MutableBufferSequence& buffers, + ReadHandler handler) + { + stream_impl_.async_read_some(buffers, handler); + } + + /// Peek at the incoming data on the stream. Returns the number of bytes read. + /// Throws an exception on failure. + template <typename MutableBufferSequence> + std::size_t peek(const MutableBufferSequence& buffers) + { + return stream_impl_.peek(buffers); + } + + /// Peek at the incoming data on the stream. Returns the number of bytes read, + /// or 0 if an error occurred. + template <typename MutableBufferSequence> + std::size_t peek(const MutableBufferSequence& buffers, + boost::system::error_code& ec) + { + return stream_impl_.peek(buffers, ec); + } + + /// Determine the amount of data that may be read without blocking. + std::size_t in_avail() + { + return stream_impl_.in_avail(); + } + + /// Determine the amount of data that may be read without blocking. + std::size_t in_avail(boost::system::error_code& ec) + { + return stream_impl_.in_avail(ec); + } + +private: + // The buffered write stream. + typedef buffered_write_stream<Stream> write_stream_type; + write_stream_type inner_stream_impl_; + + // The buffered read stream. + typedef buffered_read_stream<write_stream_type&> read_stream_type; + read_stream_type stream_impl_; +}; + +} // namespace asio +} // namespace boost + +#include <boost/asio/detail/pop_options.hpp> + +#endif // BOOST_ASIO_BUFFERED_STREAM_HPP |