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Diffstat (limited to '3rdParty/Boost/src/boost/asio/detail/impl/reactive_serial_port_service.ipp')
-rw-r--r-- | 3rdParty/Boost/src/boost/asio/detail/impl/reactive_serial_port_service.ipp | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/asio/detail/impl/reactive_serial_port_service.ipp b/3rdParty/Boost/src/boost/asio/detail/impl/reactive_serial_port_service.ipp new file mode 100644 index 0000000..b467209 --- /dev/null +++ b/3rdParty/Boost/src/boost/asio/detail/impl/reactive_serial_port_service.ipp @@ -0,0 +1,153 @@ +// +// detail/impl/reactive_serial_port_service.ipp +// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2010 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_IMPL_REACTIVE_SERIAL_PORT_SERVICE_IPP +#define BOOST_ASIO_DETAIL_IMPL_REACTIVE_SERIAL_PORT_SERVICE_IPP + +#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 <cstring> +#include <boost/asio/detail/reactive_serial_port_service.hpp> + +#include <boost/asio/detail/push_options.hpp> + +namespace boost { +namespace asio { +namespace detail { + +reactive_serial_port_service::reactive_serial_port_service( + boost::asio::io_service& io_service) + : descriptor_service_(io_service) +{ +} + +void reactive_serial_port_service::shutdown_service() +{ + descriptor_service_.shutdown_service(); +} + +boost::system::error_code reactive_serial_port_service::open( + reactive_serial_port_service::implementation_type& impl, + const std::string& device, boost::system::error_code& ec) +{ + if (is_open(impl)) + { + ec = boost::asio::error::already_open; + return ec; + } + + descriptor_ops::state_type state = 0; + int fd = descriptor_ops::open(device.c_str(), + O_RDWR | O_NONBLOCK | O_NOCTTY, ec); + if (fd < 0) + return ec; + + int s = descriptor_ops::fcntl(fd, F_GETFL, ec); + if (s >= 0) + s = descriptor_ops::fcntl(fd, F_SETFL, s | O_NONBLOCK, ec); + if (s < 0) + { + boost::system::error_code ignored_ec; + descriptor_ops::close(fd, state, ignored_ec); + return ec; + } + + // Set up default serial port options. + termios ios; + errno = 0; + s = descriptor_ops::error_wrapper(::tcgetattr(fd, &ios), ec); + if (s >= 0) + { +#if defined(_BSD_SOURCE) + ::cfmakeraw(&ios); +#else + ios.c_iflag &= ~(IGNBRK | BRKINT | PARMRK + | ISTRIP | INLCR | IGNCR | ICRNL | IXON); + ios.c_oflag &= ~OPOST; + ios.c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN); + ios.c_cflag &= ~(CSIZE | PARENB); + ios.c_cflag |= CS8; +#endif + ios.c_iflag |= IGNPAR; + ios.c_cflag |= CREAD | CLOCAL; + errno = 0; + s = descriptor_ops::error_wrapper(::tcsetattr(fd, TCSANOW, &ios), ec); + } + if (s < 0) + { + boost::system::error_code ignored_ec; + descriptor_ops::close(fd, state, ignored_ec); + return ec; + } + + // We're done. Take ownership of the serial port descriptor. + if (descriptor_service_.assign(impl, fd, ec)) + { + boost::system::error_code ignored_ec; + descriptor_ops::close(fd, state, ignored_ec); + } + + return ec; +} + +boost::system::error_code reactive_serial_port_service::do_set_option( + reactive_serial_port_service::implementation_type& impl, + reactive_serial_port_service::store_function_type store, + const void* option, boost::system::error_code& ec) +{ + termios ios; + errno = 0; + descriptor_ops::error_wrapper(::tcgetattr( + descriptor_service_.native(impl), &ios), ec); + if (ec) + return ec; + + if (store(option, ios, ec)) + return ec; + + errno = 0; + descriptor_ops::error_wrapper(::tcsetattr( + descriptor_service_.native(impl), TCSANOW, &ios), ec); + return ec; +} + +boost::system::error_code reactive_serial_port_service::do_get_option( + const reactive_serial_port_service::implementation_type& impl, + reactive_serial_port_service::load_function_type load, + void* option, boost::system::error_code& ec) const +{ + termios ios; + errno = 0; + descriptor_ops::error_wrapper(::tcgetattr( + descriptor_service_.native(impl), &ios), ec); + if (ec) + return ec; + + return load(option, ios, ec); +} + +} // namespace detail +} // namespace asio +} // namespace boost + +#include <boost/asio/detail/pop_options.hpp> + +#endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) +#endif // defined(BOOST_ASIO_HAS_SERIAL_PORT) + +#endif // BOOST_ASIO_DETAIL_IMPL_REACTIVE_SERIAL_PORT_SERVICE_IPP |