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authorRemko Tronçon <git@el-tramo.be>2010-02-11 12:14:00 (GMT)
committerRemko Tronçon <git@el-tramo.be>2010-02-11 12:14:00 (GMT)
commit0efa7c32aaf21a29b42b5926cc116007056843be (patch)
tree882f663a5dd0e65694bf6077b71086dd77fd7ff8 /3rdParty/Boost/boost/asio/detail/win_iocp_serial_port_service.hpp
parent1d20eabbc32274b491b4c2bedf73d19933d97bfd (diff)
downloadswift-0efa7c32aaf21a29b42b5926cc116007056843be.zip
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Moved some modules into separate git modules.
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diff --git a/3rdParty/Boost b/3rdParty/Boost
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diff --git a/3rdParty/Boost/boost/asio/detail/win_iocp_serial_port_service.hpp b/3rdParty/Boost/boost/asio/detail/win_iocp_serial_port_service.hpp
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-//
-// win_iocp_serial_port_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2008 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_WIN_IOCP_SERIAL_PORT_SERVICE_HPP
-#define BOOST_ASIO_DETAIL_WIN_IOCP_SERIAL_PORT_SERVICE_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 <cstring>
-#include <string>
-#include <boost/asio/detail/pop_options.hpp>
-
-#include <boost/asio/detail/win_iocp_io_service_fwd.hpp>
-
-#if defined(BOOST_ASIO_HAS_IOCP)
-
-#include <boost/asio/error.hpp>
-#include <boost/asio/io_service.hpp>
-#include <boost/asio/detail/win_iocp_handle_service.hpp>
-
-namespace boost {
-namespace asio {
-namespace detail {
-
-// Extend win_iocp_handle_service to provide serial port support.
-class win_iocp_serial_port_service
- : public boost::asio::detail::service_base<win_iocp_serial_port_service>
-{
-public:
- // The native type of a stream handle.
- typedef win_iocp_handle_service::native_type native_type;
-
- // The implementation type of the stream handle.
- typedef win_iocp_handle_service::implementation_type implementation_type;
-
- win_iocp_serial_port_service(boost::asio::io_service& io_service)
- : boost::asio::detail::service_base<
- win_iocp_serial_port_service>(io_service),
- handle_service_(
- boost::asio::use_service<win_iocp_handle_service>(io_service))
- {
- }
-
- // Destroy all user-defined handler objects owned by the service.
- void shutdown_service()
- {
- }
-
- // Construct a new handle implementation.
- void construct(implementation_type& impl)
- {
- handle_service_.construct(impl);
- }
-
- // Destroy a handle implementation.
- void destroy(implementation_type& impl)
- {
- handle_service_.destroy(impl);
- }
-
- // Open the serial port using the specified device name.
- boost::system::error_code open(implementation_type& impl,
- const std::string& device, boost::system::error_code& ec)
- {
- if (is_open(impl))
- {
- ec = boost::asio::error::already_open;
- return ec;
- }
-
- // For convenience, add a leading \\.\ sequence if not already present.
- std::string name = (device[0] == '\\') ? device : "\\\\.\\" + device;
-
- // Open a handle to the serial port.
- ::HANDLE handle = ::CreateFileA(name.c_str(),
- GENERIC_READ | GENERIC_WRITE, 0, 0,
- OPEN_EXISTING, FILE_FLAG_OVERLAPPED, 0);
- if (handle == INVALID_HANDLE_VALUE)
- {
- DWORD last_error = ::GetLastError();
- ec = boost::system::error_code(last_error,
- boost::asio::error::get_system_category());
- return ec;
- }
-
- // Determine the initial serial port parameters.
- using namespace std; // For memcpy.
- ::DCB dcb;
- memset(&dcb, 0, sizeof(DCB));
- dcb.DCBlength = sizeof(DCB);
- if (!::GetCommState(handle, &dcb))
- {
- DWORD last_error = ::GetLastError();
- ::CloseHandle(handle);
- ec = boost::system::error_code(last_error,
- boost::asio::error::get_system_category());
- return ec;
- }
-
- // Set some default serial port parameters. This implementation does not
- // support changing these, so they might as well be in a known state.
- dcb.fBinary = TRUE; // Win32 only supports binary mode.
- dcb.fDsrSensitivity = FALSE;
- dcb.fNull = FALSE; // Do not ignore NULL characters.
- dcb.fAbortOnError = FALSE; // Ignore serial framing errors.
- if (!::SetCommState(handle, &dcb))
- {
- DWORD last_error = ::GetLastError();
- ::CloseHandle(handle);
- ec = boost::system::error_code(last_error,
- boost::asio::error::get_system_category());
- return ec;
- }
-
- // Set up timeouts so that the serial port will behave similarly to a
- // network socket. Reads wait for at least one byte, then return with
- // whatever they have. Writes return once everything is out the door.
- ::COMMTIMEOUTS timeouts;
- timeouts.ReadIntervalTimeout = 1;
- timeouts.ReadTotalTimeoutMultiplier = 0;
- timeouts.ReadTotalTimeoutConstant = 0;
- timeouts.WriteTotalTimeoutMultiplier = 0;
- timeouts.WriteTotalTimeoutConstant = 0;
- if (!::SetCommTimeouts(handle, &timeouts))
- {
- DWORD last_error = ::GetLastError();
- ::CloseHandle(handle);
- ec = boost::system::error_code(last_error,
- boost::asio::error::get_system_category());
- return ec;
- }
-
- // We're done. Take ownership of the serial port handle.
- if (handle_service_.assign(impl, handle, ec))
- ::CloseHandle(handle);
- return ec;
- }
-
- // Assign a native handle to a handle implementation.
- boost::system::error_code assign(implementation_type& impl,
- const native_type& native_handle, boost::system::error_code& ec)
- {
- return handle_service_.assign(impl, native_handle, ec);
- }
-
- // Determine whether the handle is open.
- bool is_open(const implementation_type& impl) const
- {
- return handle_service_.is_open(impl);
- }
-
- // Destroy a handle implementation.
- boost::system::error_code close(implementation_type& impl,
- boost::system::error_code& ec)
- {
- return handle_service_.close(impl, ec);
- }
-
- // Get the native handle representation.
- native_type native(implementation_type& impl)
- {
- return handle_service_.native(impl);
- }
-
- // Cancel all operations associated with the handle.
- boost::system::error_code cancel(implementation_type& impl,
- boost::system::error_code& ec)
- {
- return handle_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)
- {
- using namespace std; // For memcpy.
-
- ::DCB dcb;
- memset(&dcb, 0, sizeof(DCB));
- dcb.DCBlength = sizeof(DCB);
- if (!::GetCommState(handle_service_.native(impl), &dcb))
- {
- DWORD last_error = ::GetLastError();
- ec = boost::system::error_code(last_error,
- boost::asio::error::get_system_category());
- return ec;
- }
-
- if (option.store(dcb, ec))
- return ec;
-
- if (!::SetCommState(handle_service_.native(impl), &dcb))
- {
- DWORD last_error = ::GetLastError();
- ec = boost::system::error_code(last_error,
- boost::asio::error::get_system_category());
- return ec;
- }
-
- ec = boost::system::error_code();
- return 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
- {
- using namespace std; // For memcpy.
-
- ::DCB dcb;
- memset(&dcb, 0, sizeof(DCB));
- dcb.DCBlength = sizeof(DCB);
- if (!::GetCommState(handle_service_.native(impl), &dcb))
- {
- DWORD last_error = ::GetLastError();
- ec = boost::system::error_code(last_error,
- boost::asio::error::get_system_category());
- return ec;
- }
-
- return option.load(dcb, ec);
- }
-
- // Send a break sequence to the serial port.
- boost::system::error_code send_break(implementation_type&,
- boost::system::error_code& ec)
- {
- ec = boost::asio::error::operation_not_supported;
- 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 handle_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)
- {
- handle_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 handle_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)
- {
- handle_service_.async_read_some(impl, buffers, handler);
- }
-
-private:
- // The handle service used for initiating asynchronous operations.
- win_iocp_handle_service& handle_service_;
-};
-
-} // namespace detail
-} // namespace asio
-} // namespace boost
-
-#endif // defined(BOOST_ASIO_HAS_IOCP)
-
-#include <boost/asio/detail/pop_options.hpp>
-
-#endif // BOOST_ASIO_DETAIL_WIN_IOCP_SERIAL_PORT_SERVICE_HPP