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author | Anas Nashif <anas.nashif@intel.com> | 2012-10-30 12:57:26 -0700 |
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committer | Anas Nashif <anas.nashif@intel.com> | 2012-10-30 12:57:26 -0700 |
commit | 1a78a62555be32868418fe52f8e330c9d0f95d5a (patch) | |
tree | d3765a80e7d3b9640ec2e930743630cd6b9fce2b /boost/asio/detail/reactive_serial_port_service.hpp | |
download | boost-1a78a62555be32868418fe52f8e330c9d0f95d5a.tar.gz boost-1a78a62555be32868418fe52f8e330c9d0f95d5a.tar.bz2 boost-1a78a62555be32868418fe52f8e330c9d0f95d5a.zip |
Imported Upstream version 1.49.0upstream/1.49.0
Diffstat (limited to 'boost/asio/detail/reactive_serial_port_service.hpp')
-rw-r--r-- | boost/asio/detail/reactive_serial_port_service.hpp | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/boost/asio/detail/reactive_serial_port_service.hpp b/boost/asio/detail/reactive_serial_port_service.hpp new file mode 100644 index 0000000000..a32088f44c --- /dev/null +++ b/boost/asio/detail/reactive_serial_port_service.hpp @@ -0,0 +1,236 @@ +// +// detail/reactive_serial_port_service.hpp +// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2012 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.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_DETAIL_REACTIVE_SERIAL_PORT_SERVICE_HPP +#define BOOST_ASIO_DETAIL_REACTIVE_SERIAL_PORT_SERVICE_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include <boost/asio/detail/config.hpp> + +#if defined(BOOST_ASIO_HAS_SERIAL_PORT) +#if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) + +#include <string> +#include <boost/asio/error.hpp> +#include <boost/asio/io_service.hpp> +#include <boost/asio/serial_port_base.hpp> +#include <boost/asio/detail/descriptor_ops.hpp> +#include <boost/asio/detail/reactive_descriptor_service.hpp> + +#include <boost/asio/detail/push_options.hpp> + +namespace boost { +namespace asio { +namespace detail { + +// Extend reactive_descriptor_service to provide serial port support. +class reactive_serial_port_service +{ +public: + // The native type of a serial port. + typedef reactive_descriptor_service::native_handle_type native_handle_type; + + // The implementation type of the serial port. + typedef reactive_descriptor_service::implementation_type implementation_type; + + BOOST_ASIO_DECL reactive_serial_port_service( + boost::asio::io_service& io_service); + + // Destroy all user-defined handler objects owned by the service. + BOOST_ASIO_DECL void shutdown_service(); + + // Construct a new serial port implementation. + void construct(implementation_type& impl) + { + descriptor_service_.construct(impl); + } + + // Move-construct a new serial port implementation. + void move_construct(implementation_type& impl, + implementation_type& other_impl) + { + descriptor_service_.move_construct(impl, other_impl); + } + + // Move-assign from another serial port implementation. + void move_assign(implementation_type& impl, + reactive_serial_port_service& other_service, + implementation_type& other_impl) + { + descriptor_service_.move_assign(impl, + other_service.descriptor_service_, other_impl); + } + + // Destroy a serial port implementation. + void destroy(implementation_type& impl) + { + descriptor_service_.destroy(impl); + } + + // Open the serial port using the specified device name. + BOOST_ASIO_DECL boost::system::error_code open(implementation_type& impl, + const std::string& device, boost::system::error_code& ec); + + // Assign a native descriptor to a serial port implementation. + boost::system::error_code assign(implementation_type& impl, + const native_handle_type& native_descriptor, + boost::system::error_code& ec) + { + return descriptor_service_.assign(impl, native_descriptor, ec); + } + + // Determine whether the serial port is open. + bool is_open(const implementation_type& impl) const + { + return descriptor_service_.is_open(impl); + } + + // Destroy a serial port implementation. + boost::system::error_code close(implementation_type& impl, + boost::system::error_code& ec) + { + return descriptor_service_.close(impl, ec); + } + + // Get the native serial port representation. + native_handle_type native_handle(implementation_type& impl) + { + return descriptor_service_.native_handle(impl); + } + + // Cancel all operations associated with the serial port. + boost::system::error_code cancel(implementation_type& impl, + boost::system::error_code& ec) + { + return descriptor_service_.cancel(impl, ec); + } + + // Set an option on the serial port. + template <typename SettableSerialPortOption> + boost::system::error_code set_option(implementation_type& impl, + const SettableSerialPortOption& option, boost::system::error_code& ec) + { + return do_set_option(impl, + &reactive_serial_port_service::store_option<SettableSerialPortOption>, + &option, ec); + } + + // Get an option from the serial port. + template <typename GettableSerialPortOption> + boost::system::error_code get_option(const implementation_type& impl, + GettableSerialPortOption& option, boost::system::error_code& ec) const + { + return do_get_option(impl, + &reactive_serial_port_service::load_option<GettableSerialPortOption>, + &option, ec); + } + + // Send a break sequence to the serial port. + boost::system::error_code send_break(implementation_type& impl, + boost::system::error_code& ec) + { + errno = 0; + descriptor_ops::error_wrapper(::tcsendbreak( + descriptor_service_.native_handle(impl), 0), ec); + return ec; + } + + // Write the given data. Returns the number of bytes sent. + template <typename ConstBufferSequence> + size_t write_some(implementation_type& impl, + const ConstBufferSequence& buffers, boost::system::error_code& ec) + { + return descriptor_service_.write_some(impl, buffers, ec); + } + + // Start an asynchronous write. The data being written must be valid for the + // lifetime of the asynchronous operation. + template <typename ConstBufferSequence, typename Handler> + void async_write_some(implementation_type& impl, + const ConstBufferSequence& buffers, Handler handler) + { + descriptor_service_.async_write_some(impl, buffers, handler); + } + + // Read some data. Returns the number of bytes received. + template <typename MutableBufferSequence> + size_t read_some(implementation_type& impl, + const MutableBufferSequence& buffers, boost::system::error_code& ec) + { + return descriptor_service_.read_some(impl, buffers, ec); + } + + // Start an asynchronous read. The buffer for the data being received must be + // valid for the lifetime of the asynchronous operation. + template <typename MutableBufferSequence, typename Handler> + void async_read_some(implementation_type& impl, + const MutableBufferSequence& buffers, Handler handler) + { + descriptor_service_.async_read_some(impl, buffers, handler); + } + +private: + // Function pointer type for storing a serial port option. + typedef boost::system::error_code (*store_function_type)( + const void*, termios&, boost::system::error_code&); + + // Helper function template to store a serial port option. + template <typename SettableSerialPortOption> + static boost::system::error_code store_option(const void* option, + termios& storage, boost::system::error_code& ec) + { + return static_cast<const SettableSerialPortOption*>(option)->store( + storage, ec); + } + + // Helper function to set a serial port option. + BOOST_ASIO_DECL boost::system::error_code do_set_option( + implementation_type& impl, store_function_type store, + const void* option, boost::system::error_code& ec); + + // Function pointer type for loading a serial port option. + typedef boost::system::error_code (*load_function_type)( + void*, const termios&, boost::system::error_code&); + + // Helper function template to load a serial port option. + template <typename GettableSerialPortOption> + static boost::system::error_code load_option(void* option, + const termios& storage, boost::system::error_code& ec) + { + return static_cast<GettableSerialPortOption*>(option)->load(storage, ec); + } + + // Helper function to get a serial port option. + BOOST_ASIO_DECL boost::system::error_code do_get_option( + const implementation_type& impl, load_function_type load, + void* option, boost::system::error_code& ec) const; + + // The implementation used for initiating asynchronous operations. + reactive_descriptor_service descriptor_service_; +}; + +} // namespace detail +} // namespace asio +} // namespace boost + +#include <boost/asio/detail/pop_options.hpp> + +#if defined(BOOST_ASIO_HEADER_ONLY) +# include <boost/asio/detail/impl/reactive_serial_port_service.ipp> +#endif // defined(BOOST_ASIO_HEADER_ONLY) + +#endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) +#endif // defined(BOOST_ASIO_HAS_SERIAL_PORT) + +#endif // BOOST_ASIO_DETAIL_REACTIVE_SERIAL_PORT_SERVICE_HPP |