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216 lines
7.2 KiB
C++
216 lines
7.2 KiB
C++
//
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// Copyright (c) 2019-2022 Ruben Perez Hidalgo (rubenperez038 at gmail dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "er_network_variant.hpp"
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#include "er_connection.hpp"
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#include "er_resultset.hpp"
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#include "er_statement.hpp"
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#include "network_result.hpp"
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#include "streams.hpp"
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#include "er_impl_common.hpp"
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#include "get_endpoint.hpp"
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#include "handler_call_tracker.hpp"
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#include "boost/mysql/connection_params.hpp"
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#include "boost/mysql/errc.hpp"
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#include "boost/mysql/error.hpp"
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#include "boost/mysql/execute_params.hpp"
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#include "boost/mysql/statement_base.hpp"
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#include "boost/mysql/row.hpp"
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#include <boost/mysql/resultset_base.hpp>
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#include <boost/mysql/connection.hpp>
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#include <boost/asio/spawn.hpp>
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#include <memory>
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using namespace boost::mysql::test;
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using boost::mysql::row;
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using boost::mysql::error_code;
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using boost::mysql::error_info;
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using boost::mysql::field_view;
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using boost::mysql::connection_params;
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namespace {
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template <class Callable>
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using impl_result_type = decltype(std::declval<Callable>()(
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std::declval<boost::asio::yield_context>(),
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std::declval<error_info&>()
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));
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template <class IoObj, class Callable>
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network_result<impl_result_type<Callable>> impl(IoObj& obj, Callable&& cb)
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{
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using R = impl_result_type<Callable>;
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std::promise<network_result<R>> prom;
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boost::asio::spawn(obj.get_executor(), [&](boost::asio::yield_context yield) {
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error_code ec = boost::mysql::make_error_code(boost::mysql::errc::no);
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error_info info ("error_info not cleared properly");
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R result = cb(yield[ec], info);
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prom.set_value(network_result<R>(ec, std::move(info), std::move(result)));
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});
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return prom.get_future().get();
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}
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template <class Stream>
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class async_coroutine_resultset : public er_resultset_base<Stream>
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{
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public:
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using er_resultset_base<Stream>::er_resultset_base;
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network_result<bool> read_one(row& output) override
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{
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return impl(this->r_, [&](boost::asio::yield_context yield, error_info& info) {
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return this->r_.async_read_one(output, info, yield);
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});
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}
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network_result<std::vector<row>> read_many(std::size_t count) override
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{
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return impl(this->r_, [&](boost::asio::yield_context yield, error_info& info) {
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return this->r_.async_read_many(count, info, yield);
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});
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}
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network_result<std::vector<row>> read_all() override
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{
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return impl(this->r_, [&](boost::asio::yield_context yield, error_info& info) {
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return this->r_.async_read_all(info, yield);
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});
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}
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};
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template <class Stream>
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network_result<er_resultset_ptr> erase_network_result(network_result<boost::mysql::resultset_base<Stream>>&& r)
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{
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return network_result<er_resultset_ptr> (
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r.err,
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std::move(*r.info),
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erase_resultset<async_coroutine_resultset>(std::move(r.value))
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);
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}
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template <class Stream>
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class async_coroutine_statement : public er_statement_base<Stream>
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{
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public:
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using er_statement_base<Stream>::er_statement_base;
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using resultset_type = boost::mysql::resultset_base<Stream>;
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network_result<er_resultset_ptr> execute_params(
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const boost::mysql::execute_params<value_list_it>& params
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) override
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{
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return erase_network_result(impl(this->stmt_, [&](boost::asio::yield_context yield, error_info& info) {
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return this->stmt_.async_execute(params, info, yield);
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}));
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}
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network_result<er_resultset_ptr> execute_container(
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const std::vector<field_view>& values
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) override
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{
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return erase_network_result(impl(this->stmt_, [&](boost::asio::yield_context yield, error_info& info) {
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return this->stmt_.async_execute(values, info, yield);
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}));
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}
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network_result<no_result> close() override
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{
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return impl(this->stmt_, [&](boost::asio::yield_context yield, error_info& info) {
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this->stmt_.async_close(info, yield);
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return no_result();
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});
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}
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};
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template <class Stream>
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network_result<er_statement_ptr> erase_network_result(network_result<boost::mysql::statement_base<Stream>>&& r)
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{
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return network_result<er_statement_ptr> (
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r.err,
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std::move(*r.info),
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erase_statement<async_coroutine_statement>(std::move(r.value))
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);
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}
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template <class Stream>
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class async_coroutine_connection : public er_connection_base<Stream>
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{
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public:
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using er_connection_base<Stream>::er_connection_base;
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using statement_type = boost::mysql::statement_base<Stream>;
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using resultset_type = boost::mysql::resultset_base<Stream>;
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network_result<no_result> physical_connect(er_endpoint kind) override
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{
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return impl(this->conn_, [&](boost::asio::yield_context yield, error_info& info) {
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info.clear();
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this->conn_.next_layer().lowest_layer().async_connect(get_endpoint<Stream>(kind), yield);
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return no_result();
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});
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}
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network_result<no_result> connect(
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er_endpoint kind,
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const boost::mysql::connection_params& params
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) override
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{
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return impl(this->conn_, [&](boost::asio::yield_context yield, error_info& info) {
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this->conn_.async_connect(get_endpoint<Stream>(kind), params, info, yield);
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return no_result();
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});
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}
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network_result<no_result> handshake(const connection_params& params) override
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{
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return impl(this->conn_, [&](boost::asio::yield_context yield, error_info& info) {
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this->conn_.async_handshake(params, info, yield);
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return no_result();
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});
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}
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network_result<er_resultset_ptr> query(boost::string_view query) override
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{
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return erase_network_result(impl(this->conn_, [&](boost::asio::yield_context yield, error_info& info) {
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return this->conn_.async_query(query, info, yield);
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}));
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}
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network_result<er_statement_ptr> prepare_statement(boost::string_view statement) override
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{
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return erase_network_result(impl(this->conn_, [&](boost::asio::yield_context yield, error_info& info) {
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return this->conn_.async_prepare_statement(statement, info, yield);
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}));
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}
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network_result<no_result> quit() override
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{
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return impl(this->conn_, [&](boost::asio::yield_context yield, error_info& info) {
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this->conn_.async_quit(info, yield);
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return no_result();
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});
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}
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network_result<no_result> close() override
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{
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return impl(this->conn_, [&](boost::asio::yield_context yield, error_info& info) {
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this->conn_.async_close(info, yield);
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return no_result();
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});
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}
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};
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template <class Stream>
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class async_coroutine_variant : public er_network_variant_base<Stream, async_coroutine_connection>
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{
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public:
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const char* variant_name() const override { return "async_coroutine"; }
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};
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async_coroutine_variant<tcp_socket> tcp;
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async_coroutine_variant<tcp_ssl_socket> tcp_ssl;
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} // anon namespace
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void boost::mysql::test::add_async_coroutine(
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std::vector<er_network_variant*>& output
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)
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{
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output.push_back(&tcp);
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output.push_back(&tcp_ssl);
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} |