internal/connection_pool/internal_pool_params.hpp

0001 //
0002 // Copyright (c) 2019-2024 Ruben Perez Hidalgo (rubenperez038 at gmail dot com)
0003 //
0004 // Distributed under the Boost Software License, Version 1.0. (See accompanying
0005 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0006 //
0007
0008 #ifndef BOOST_MYSQL_IMPL_INTERNAL_CONNECTION_POOL_INTERNAL_POOL_PARAMS_HPP
0009 #define BOOST_MYSQL_IMPL_INTERNAL_CONNECTION_POOL_INTERNAL_POOL_PARAMS_HPP
0010
0011 #include <boost/mysql/any_connection.hpp>
0012 #include <boost/mysql/connect_params.hpp>
0013 #include <boost/mysql/handshake_params.hpp>
0014 #include <boost/mysql/pool_params.hpp>
0015 #include <boost/mysql/ssl_mode.hpp>
0016
0017 #include <boost/asio/ssl/context.hpp>
0018 #include <boost/optional/optional.hpp>
0019 #include <boost/throw_exception.hpp>
0020
0021 #include <chrono>
0022 #include <cstddef>
0023 #include <stdexcept>
0024 #include <string>
0025
0026 namespace boost {
0027 namespace mysql {
0028 namespace detail {
0029
0030 // Same as pool_params, but structured in a way that is more helpful for the impl
0031 struct internal_pool_params
0032 {
0033     connect_params connect_config;
0034     optional<asio::ssl::context> ssl_ctx;
0035     std::size_t initial_buffer_size;
0036     std::size_t initial_size;
0037     std::size_t max_size;
0038     std::chrono::steady_clock::duration connect_timeout;
0039     std::chrono::steady_clock::duration ping_timeout;
0040     std::chrono::steady_clock::duration retry_interval;
0041     std::chrono::steady_clock::duration ping_interval;
0042
0043     any_connection_params make_ctor_params() noexcept
0044     {
0045         any_connection_params res;
0046         res.ssl_context = ssl_ctx.get_ptr();
0047         res.initial_buffer_size = initial_buffer_size;
0048         return res;
0049     }
0050 };
0051
0052 inline void check_validity(const pool_params& params)
0053 {
0054     const char* msg = nullptr;
0055     if (params.max_size == 0)
0056         msg = "pool_params::max_size must be greater than zero";
0057     else if (params.max_size < params.initial_size)
0058         msg = "pool_params::max_size must be greater than pool_params::initial_size";
0059     else if (params.connect_timeout.count() < 0)
0060         msg = "pool_params::connect_timeout must not be negative";
0061     else if (params.retry_interval.count() <= 0)
0062         msg = "pool_params::retry_interval must be greater than zero";
0063     else if (params.ping_interval.count() < 0)
0064         msg = "pool_params::ping_interval must not be negative";
0065     else if (params.ping_timeout.count() < 0)
0066         msg = "pool_params::ping_timeout must not be negative";
0067
0068     if (msg != nullptr)
0069     {
0070         BOOST_THROW_EXCEPTION(std::invalid_argument(msg));
0071     }
0072 }
0073
0074 inline internal_pool_params make_internal_pool_params(pool_params&& params)
0075 {
0076     check_validity(params);
0077
0078     connect_params connect_prms;
0079     connect_prms.server_address = std::move(params.server_address);
0080     connect_prms.username = std::move(params.username);
0081     connect_prms.password = std::move(params.password);
0082     connect_prms.database = std::move(params.database);
0083     connect_prms.ssl = params.ssl;
0084     connect_prms.multi_queries = params.multi_queries;
0085
0086     return {
0087         std::move(connect_prms),
0088         std::move(params.ssl_ctx),
0089         params.initial_buffer_size,
0090         params.initial_size,
0091         params.max_size,
0092         params.connect_timeout,
0093         params.ping_timeout,
0094         params.retry_interval,
0095         params.ping_interval,
0096     };
0097 }
0098
0099 }  // namespace detail
0100 }  // namespace mysql
0101 }  // namespace boost
0102
0103 #endif