gnss-sim/3rdparty/boost/mysql/impl/connection_pool.ipp

108 lines
3.0 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_CONNECTION_POOL_IPP
#define BOOST_MYSQL_IMPL_CONNECTION_POOL_IPP
#pragma once
#include <boost/mysql/connection_pool.hpp>
#include <boost/mysql/detail/connection_pool_fwd.hpp>
#include <boost/mysql/impl/internal/connection_pool/connection_pool_impl.hpp>
#include <memory>
void boost::mysql::detail::return_connection(
std::shared_ptr<pool_impl> pool,
connection_node& node,
bool should_reset
) noexcept
{
// This is safe to be called from any thread, and is noexcept
node.mark_as_collectable(should_reset);
// If, for any reason, this notification fails, the connection will
// be collected when the next ping is due.
try
{
// A handler to be passed to dispatch. Binds the executor
// and keeps the pool alive
struct dispatch_handler
{
std::shared_ptr<pool_impl> pool_ptr;
connection_node* node_ptr;
using executor_type = asio::any_io_executor;
executor_type get_executor() const noexcept { return pool_ptr->get_executor(); }
void operator()() const { node_ptr->notify_collectable(); }
};
asio::dispatch(dispatch_handler{std::move(pool), &node});
}
catch (...)
{
}
}
boost::mysql::any_connection& boost::mysql::detail::get_connection(boost::mysql::detail::connection_node& node
) noexcept
{
return node.connection();
}
boost::mysql::connection_pool::connection_pool(pool_executor_params&& ex_params, pool_params&& params, int)
: impl_(std::make_shared<detail::pool_impl>(std::move(ex_params), std::move(params)))
{
}
boost::mysql::connection_pool::executor_type boost::mysql::connection_pool::get_executor() noexcept
{
return impl_->get_executor();
}
void boost::mysql::connection_pool::async_run_erased(
std::shared_ptr<detail::pool_impl> pool,
asio::any_completion_handler<void(error_code)> handler
)
{
pool->async_run(std::move(handler));
}
void boost::mysql::connection_pool::async_get_connection_erased(
std::shared_ptr<detail::pool_impl> pool,
std::chrono::steady_clock::duration timeout,
diagnostics* diag,
asio::any_completion_handler<void(error_code, pooled_connection)> handler
)
{
pool->async_get_connection(timeout, diag, std::move(handler));
}
void boost::mysql::connection_pool::cancel()
{
BOOST_ASSERT(valid());
// A handler to be passed to dispatch. Binds the executor
// and keeps the pool alive
struct dispatch_handler
{
std::shared_ptr<detail::pool_impl> pool_ptr;
using executor_type = asio::any_io_executor;
executor_type get_executor() const noexcept { return pool_ptr->get_executor(); }
void operator()() const { pool_ptr->cancel_unsafe(); }
};
asio::dispatch(dispatch_handler{impl_});
}
#endif