connection_wrapper.h

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/*
 * 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 <memory>
#include <utility>
 
#include "msgpack_rpc/addresses/i_address.h"
#include "msgpack_rpc/messages/message_id.h"
#include "msgpack_rpc/messages/message_serializer.h"
#include "msgpack_rpc/messages/method_name_view.h"
#include "msgpack_rpc/transport/i_connection.h"
 
namespace msgpack_rpc::transport {

class ConnectionWrapper {
public:
    using MessageReceivedCallback = IConnection::MessageReceivedCallback;

    using MessageSentCallback = IConnection::MessageSentCallback;

    using ConnectionClosedCallback = IConnection::ConnectionClosedCallback;

    explicit ConnectionWrapper(std::shared_ptr<IConnection> connection) noexcept
        : connection_(std::move(connection)) {}

    void start(MessageReceivedCallback on_received, MessageSentCallback on_sent,
        ConnectionClosedCallback on_closed) {
        connection_->start(
            std::move(on_received), std::move(on_sent), std::move(on_closed));
    }

    template <typename... Parameters>
    void async_request(messages::MethodNameView method_name,
        messages::MessageID message_id, const Parameters&... parameters) {
        connection_->async_send(messages::MessageSerializer::serialize_request(
            method_name, message_id, parameters...));
    }

    template <typename T>
    void async_response_success(
        messages::MessageID request_id, const T& result) {
        connection_->async_send(
            messages::MessageSerializer::serialize_successful_response(
                request_id, result));
    }

    template <typename T>
    void async_response_error(messages::MessageID request_id, const T& error) {
        connection_->async_send(
            messages::MessageSerializer::serialize_error_response(
                request_id, error));
    }

    template <typename... Parameters>
    void async_notify(
        messages::MethodNameView method_name, const Parameters&... parameters) {
        connection_->async_send(
            messages::MessageSerializer::serialize_notification(
                method_name, parameters...));
    }

    void async_close() { connection_->async_close(); }

    [[nodiscard]] const addresses::IAddress& local_address() const noexcept {
        return connection_->local_address();
    }

    [[nodiscard]] const addresses::IAddress& remote_address() const noexcept {
        return connection_->remote_address();
    }

    [[nodiscard]] std::shared_ptr<IConnection> connection() const noexcept {
        return connection_;
    }
 
private:
    std::shared_ptr<IConnection> connection_;
};
 
}  // namespace msgpack_rpc::transport