i_async_executor.h

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.
 */
#pragma once
 
#include <exception>
#include <functional>
#include <memory>
 
#include "msgpack_rpc/config/executor_config.h"
#include "msgpack_rpc/executors/i_executor.h"
#include "msgpack_rpc/impl/msgpack_rpc_export.h"
#include "msgpack_rpc/logging/logger.h"
 
namespace msgpack_rpc::executors {

class IAsyncExecutor : public IExecutor {
public:
    virtual void start() = 0;

    virtual void stop() = 0;

    [[nodiscard]] virtual std::exception_ptr last_exception() = 0;

    virtual void on_exception(
        std::function<void(std::exception_ptr)> exception_callback) = 0;

    [[nodiscard]] virtual bool is_running() = 0;
 
    IAsyncExecutor(const IAsyncExecutor&) = delete;
    IAsyncExecutor(IAsyncExecutor&&) = delete;
    IAsyncExecutor& operator=(const IAsyncExecutor&) = delete;
    IAsyncExecutor& operator=(IAsyncExecutor&&) = delete;

    ~IAsyncExecutor() noexcept override = default;
 
protected:
    IAsyncExecutor() noexcept = default;
};

[[nodiscard]] MSGPACK_RPC_EXPORT std::shared_ptr<IAsyncExecutor>
create_executor(std::shared_ptr<logging::Logger> logger,
    const config::ExecutorConfig& config);
 
}  // namespace msgpack_rpc::executors