single_thread_executor.cpp

Go to the documentation of this file.

/*
 * Copyright 2023 MusicScience37 (Kenta Kabashima)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <exception>
#include <memory>
#include <utility>
 
#include "msgpack_rpc/executors/asio_context_type.h"
#include "msgpack_rpc/executors/i_single_thread_executor.h"
#include "msgpack_rpc/executors/operation_type.h"
#include "msgpack_rpc/logging/logger.h"
 
namespace msgpack_rpc::executors {

class SingleThreadExecutor final : public ISingleThreadExecutor {
public:
    explicit SingleThreadExecutor(std::shared_ptr<logging::Logger> logger)
        : logger_(std::move(logger)) {}

    void run() override {
        try {
            MSGPACK_RPC_TRACE(logger_, "Start an executor.");
            context_.run();
            MSGPACK_RPC_TRACE(logger_, "Executor run stopped normally.");
        } catch (const std::exception& e) {
            MSGPACK_RPC_CRITICAL(
                logger_, "Executor stopped due to an exception: {}", e.what());
            throw;
        }
    }

    AsioContextType& context(OperationType type) noexcept override {
        (void)type;
        return context_;
    }
 
private:
    AsioContextType context_{1};

    std::shared_ptr<logging::Logger> logger_;
};
 
std::shared_ptr<ISingleThreadExecutor> create_single_thread_executor(
    std::shared_ptr<logging::Logger> logger) {
    return std::make_shared<SingleThreadExecutor>(std::move(logger));
}
 
}  // namespace msgpack_rpc::executors