Logging.cpp

/**
 * \file
 *
 * \copyright
 * Copyright (c) 2012-2025, OpenGeoSys Community (http://www.opengeosys.org)
 *            Distributed under a Modified BSD License.
 *              See accompanying file LICENSE.txt or
 *              http://www.opengeosys.org/project/license
 *
 */

#include "Logging.h"

#include <spdlog/common.h>
#include <spdlog/sinks/stdout_color_sinks.h>
#include <spdlog/spdlog.h>

#include <exception>
#include <iostream>
#include <map>

#ifdef USE_PETSC
#include <mpi.h>
#include <petscsys.h>
#endif

#include "Error.h"

namespace BaseLib
{
#ifdef USE_PETSC
std::shared_ptr<spdlog::logger> console = spdlog::stdout_color_mt("ogs");
#else   // USE_PETSC
std::shared_ptr<spdlog::logger> console = spdlog::stdout_color_st("ogs");
#endif  // USE_PETSC

void setConsoleLogLevel(std::string const& level_string)
{
    using namespace spdlog::level;
    std::map<std::string, level_enum> string_to_log_level = {
        {"none", off},  {"critical", critical}, {"error", err}, {"warn", warn},
        {"info", info}, {"debug", debug},       {"all", trace}};

    auto const level = string_to_log_level.find(level_string);
    if (level == string_to_log_level.end())
    {
        ERR("'{:s}' is not a valid log level!", level_string);
        OGS_FATAL("Wrong log level string.");
    }
    console->set_level(level->second);
    spdlog::set_default_logger(console);
}

void initOGSLogger(std::string const& log_level)
{
    BaseLib::setConsoleLogLevel(log_level);
    spdlog::set_pattern("%^%l:%$ %v");
    spdlog::set_error_handler(
        [](const std::string& msg)
        {
            std::cerr << "spdlog error: " << msg << std::endl;
            OGS_FATAL("spdlog logger error occurred.");
        });
}
}  // namespace BaseLib