66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
//
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// Copyright (c) 2019-2024 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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#ifndef BOOST_MYSQL_IMPL_INTERNAL_SANSIO_PING_HPP
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#define BOOST_MYSQL_IMPL_INTERNAL_SANSIO_PING_HPP
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#include <boost/mysql/detail/algo_params.hpp>
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#include <boost/mysql/impl/internal/coroutine.hpp>
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#include <boost/mysql/impl/internal/protocol/serialization.hpp>
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#include <boost/mysql/impl/internal/sansio/connection_state_data.hpp>
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namespace boost {
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namespace mysql {
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namespace detail {
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class read_ping_response_algo
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{
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int resume_point_{0};
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diagnostics* diag_;
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std::uint8_t seqnum_{0};
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public:
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read_ping_response_algo(diagnostics* diag, std::uint8_t seqnum) noexcept : diag_(diag), seqnum_(seqnum) {}
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next_action resume(connection_state_data& st, error_code ec)
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{
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switch (resume_point_)
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{
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case 0:
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// Issue a read
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BOOST_MYSQL_YIELD(resume_point_, 1, st.read(seqnum_))
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if (ec)
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return ec;
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// Process the OK packet
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return st.deserialize_ok(*diag_);
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}
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return next_action();
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}
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};
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inline run_pipeline_algo_params setup_ping_pipeline(connection_state_data& st, ping_algo_params params)
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{
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st.write_buffer.clear();
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auto seqnum = serialize_top_level(ping_command{}, st.write_buffer);
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st.shared_pipeline_stages[0] = {pipeline_stage_kind::ping, seqnum, {}};
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return {
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params.diag,
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st.write_buffer,
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{st.shared_pipeline_stages.data(), 1},
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nullptr
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};
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}
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} // namespace detail
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} // namespace mysql
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} // namespace boost
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#endif
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