101 lines
2.2 KiB
C++
101 lines
2.2 KiB
C++
//
|
|
// detail/socket_holder.hpp
|
|
// ~~~~~~~~~~~~~~~~~~~~~~~~
|
|
//
|
|
// Copyright (c) 2003-2016 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_DETAIL_SOCKET_HOLDER_HPP
|
|
#define BOOST_ASIO_DETAIL_SOCKET_HOLDER_HPP
|
|
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
|
|
# pragma once
|
|
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
|
|
|
|
#include <boost/asio/detail/config.hpp>
|
|
#include <boost/asio/detail/noncopyable.hpp>
|
|
#include <boost/asio/detail/socket_ops.hpp>
|
|
|
|
#include <boost/asio/detail/push_options.hpp>
|
|
|
|
namespace boost {
|
|
namespace asio {
|
|
namespace detail {
|
|
|
|
// Implement the resource acquisition is initialisation idiom for sockets.
|
|
class socket_holder
|
|
: private noncopyable
|
|
{
|
|
public:
|
|
// Construct as an uninitialised socket.
|
|
socket_holder()
|
|
: socket_(invalid_socket)
|
|
{
|
|
}
|
|
|
|
// Construct to take ownership of the specified socket.
|
|
explicit socket_holder(socket_type s)
|
|
: socket_(s)
|
|
{
|
|
}
|
|
|
|
// Destructor.
|
|
~socket_holder()
|
|
{
|
|
if (socket_ != invalid_socket)
|
|
{
|
|
boost::system::error_code ec;
|
|
socket_ops::state_type state = 0;
|
|
socket_ops::close(socket_, state, true, ec);
|
|
}
|
|
}
|
|
|
|
// Get the underlying socket.
|
|
socket_type get() const
|
|
{
|
|
return socket_;
|
|
}
|
|
|
|
// Reset to an uninitialised socket.
|
|
void reset()
|
|
{
|
|
if (socket_ != invalid_socket)
|
|
{
|
|
boost::system::error_code ec;
|
|
socket_ops::state_type state = 0;
|
|
socket_ops::close(socket_, state, true, ec);
|
|
socket_ = invalid_socket;
|
|
}
|
|
}
|
|
|
|
// Reset to take ownership of the specified socket.
|
|
void reset(socket_type s)
|
|
{
|
|
reset();
|
|
socket_ = s;
|
|
}
|
|
|
|
// Release ownership of the socket.
|
|
socket_type release()
|
|
{
|
|
socket_type tmp = socket_;
|
|
socket_ = invalid_socket;
|
|
return tmp;
|
|
}
|
|
|
|
private:
|
|
// The underlying socket.
|
|
socket_type socket_;
|
|
};
|
|
|
|
} // namespace detail
|
|
} // namespace asio
|
|
} // namespace boost
|
|
|
|
#include <boost/asio/detail/pop_options.hpp>
|
|
|
|
#endif // BOOST_ASIO_DETAIL_SOCKET_HOLDER_HPP
|