boost_beast/include/boost/beast/websocket/impl/ssl.hpp

//
// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail 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)
//
// Official repository: https://github.com/boostorg/beast
//

#ifndef BOOST_BEAST_WEBSOCKET_IMPL_SSL_HPP
#define BOOST_BEAST_WEBSOCKET_IMPL_SSL_HPP

#include <utility>

namespace boost {
namespace beast {

/*

    See
    http://stackoverflow.com/questions/32046034/what-is-the-proper-way-to-securely-disconnect-an-asio-ssl-socket/32054476#32054476

    Behavior of ssl::stream regarding close_notify

    If the remote host calls async_shutdown then the
    local host's async_read will complete with eof.

    If both hosts call async_shutdown then the calls
    to async_shutdown will complete with eof.

*/

template<class AsyncStream>
void
teardown(
    role_type,
    net::ssl::stream<AsyncStream>& stream,
    error_code& ec)
{
    stream.shutdown(ec);
}

template<
    class AsyncStream,
    class TeardownHandler>
void
async_teardown(
    role_type,
    net::ssl::stream<AsyncStream>& stream,
    TeardownHandler&& handler)
{
    stream.async_shutdown(
        std::forward<TeardownHandler>(handler));
}

} // beast
} // boost

#endif