log_sinks.cpp

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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.
 */
#include "msgpack_rpc/logging/log_sinks.h"
 
#include <cstddef>
#include <memory>
#include <string>
#include <string_view>
#include <utility>
 
#include <spdlog/common.h>
#include <spdlog/sinks/rotating_file_sink.h>
#include <spdlog/sinks/stdout_color_sinks.h>
 
#include "msgpack_rpc/logging/i_log_sink.h"
#include "msgpack_rpc/logging/impl/spdlog_log_sink.h"
 
namespace msgpack_rpc::logging {

std::shared_ptr<ILogSink> create_stdout_log_sink_impl() {
    auto spdlog_logger = spdlog::stdout_color_mt("stdout");
    impl::spdlog_backend::configure_spdlog_logger_format_for_consoles(
        spdlog_logger);
    return std::make_shared<impl::spdlog_backend::SpdlogLogSink>(
        std::move(spdlog_logger));
}
 
std::shared_ptr<ILogSink> create_stdout_log_sink() {
    static const auto log_sink = create_stdout_log_sink_impl();
    return log_sink;
}
 
std::shared_ptr<ILogSink> create_rotating_file_log_sink(
    std::string_view file_path, std::size_t max_file_size,
    std::size_t max_files) {
    auto spdlog_logger = spdlog::rotating_logger_mt(std::string(file_path),
        spdlog::filename_t(file_path), max_file_size, max_files, true);
    impl::spdlog_backend::configure_spdlog_logger_format_for_files(
        spdlog_logger);
    return std::make_shared<impl::spdlog_backend::SpdlogLogSink>(
        std::move(spdlog_logger));
}
 
std::shared_ptr<ILogSink> create_log_sink_from_config(
    const config::LoggingConfig& config) {
    if (config.file_path().empty()) {
        return create_stdout_log_sink();
    }
    return create_rotating_file_log_sink(
        config.file_path(), config.max_file_size(), config.max_files());
}
 
}  // namespace msgpack_rpc::logging