68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
//
|
|
// Copyright (c) 2019-2024 Ruben Perez Hidalgo (rubenperez038 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)
|
|
//
|
|
|
|
#ifndef BOOST_MYSQL_IMPL_INTERNAL_SANSIO_CLOSE_CONNECTION_HPP
|
|
#define BOOST_MYSQL_IMPL_INTERNAL_SANSIO_CLOSE_CONNECTION_HPP
|
|
|
|
#include <boost/mysql/detail/algo_params.hpp>
|
|
#include <boost/mysql/detail/next_action.hpp>
|
|
|
|
#include <boost/mysql/impl/internal/coroutine.hpp>
|
|
#include <boost/mysql/impl/internal/sansio/connection_state_data.hpp>
|
|
#include <boost/mysql/impl/internal/sansio/quit_connection.hpp>
|
|
|
|
namespace boost {
|
|
namespace mysql {
|
|
namespace detail {
|
|
|
|
class close_connection_algo
|
|
{
|
|
int resume_point_{0};
|
|
quit_connection_algo quit_;
|
|
error_code stored_ec_;
|
|
|
|
public:
|
|
close_connection_algo(close_connection_algo_params params) noexcept : quit_({params.diag}) {}
|
|
|
|
next_action resume(connection_state_data& st, error_code ec)
|
|
{
|
|
next_action act;
|
|
|
|
switch (resume_point_)
|
|
{
|
|
case 0:
|
|
|
|
// Clear diagnostics
|
|
quit_.diag().clear();
|
|
|
|
// If we're not connected, we're done
|
|
if (!st.is_connected)
|
|
return next_action();
|
|
|
|
// Attempt quit
|
|
while (!(act = quit_.resume(st, ec)).is_done())
|
|
BOOST_MYSQL_YIELD(resume_point_, 1, act)
|
|
stored_ec_ = act.error();
|
|
|
|
// Close the transport
|
|
BOOST_MYSQL_YIELD(resume_point_, 2, next_action::close())
|
|
|
|
// If quit resulted in an error, keep that error.
|
|
// Otherwise, return any error derived from close
|
|
return stored_ec_ ? stored_ec_ : ec;
|
|
}
|
|
|
|
return next_action();
|
|
}
|
|
};
|
|
|
|
} // namespace detail
|
|
} // namespace mysql
|
|
} // namespace boost
|
|
|
|
#endif
|