fc::optional<fc::logging_config> load_logging_config_from_ini_file(const fc::path& config_ini_filename) { try { fc::logging_config logging_config; bool found_logging_config = false; boost::property_tree::ptree config_ini_tree; boost::property_tree::ini_parser::read_ini(config_ini_filename.preferred_string().c_str(), config_ini_tree); for (const auto& section : config_ini_tree) { const std::string& section_name = section.first; const boost::property_tree::ptree& section_tree = section.second; const std::string console_appender_section_prefix = "log.console_appender."; const std::string file_appender_section_prefix = "log.file_appender."; const std::string logger_section_prefix = "logger."; if (boost::starts_with(section_name, console_appender_section_prefix)) { std::string console_appender_name = section_name.substr(console_appender_section_prefix.length()); std::string stream_name = section_tree.get<std::string>("stream"); // construct a default console appender config here // stdout/stderr will be taken from ini file, everything else hard-coded here fc::console_appender::config console_appender_config; console_appender_config.level_colors.emplace_back( fc::console_appender::level_color(fc::log_level::debug, fc::console_appender::color::green)); console_appender_config.level_colors.emplace_back( fc::console_appender::level_color(fc::log_level::warn, fc::console_appender::color::brown)); console_appender_config.level_colors.emplace_back( fc::console_appender::level_color(fc::log_level::error, fc::console_appender::color::cyan)); console_appender_config.stream = fc::variant(stream_name).as<fc::console_appender::stream::type>(); logging_config.appenders.push_back(fc::appender_config(console_appender_name, "console", fc::variant(console_appender_config))); found_logging_config = true; } else if (boost::starts_with(section_name, file_appender_section_prefix)) { std::string file_appender_name = section_name.substr(file_appender_section_prefix.length()); fc::path file_name = section_tree.get<std::string>("filename"); if (file_name.is_relative()) file_name = fc::absolute(config_ini_filename).parent_path() / file_name; // construct a default file appender config here // filename will be taken from ini file, everything else hard-coded here fc::file_appender::config file_appender_config; file_appender_config.filename = file_name; file_appender_config.flush = true; file_appender_config.rotate = true; file_appender_config.rotation_interval = fc::hours(1); file_appender_config.rotation_limit = fc::days(1); logging_config.appenders.push_back(fc::appender_config(file_appender_name, "file", fc::variant(file_appender_config))); found_logging_config = true; } else if (boost::starts_with(section_name, logger_section_prefix)) { std::string logger_name = section_name.substr(logger_section_prefix.length()); std::string level_string = section_tree.get<std::string>("level"); std::string appenders_string = section_tree.get<std::string>("appenders"); fc::logger_config logger_config(logger_name); logger_config.level = fc::variant(level_string).as<fc::log_level>(); boost::split(logger_config.appenders, appenders_string, boost::is_any_of(" ,"), boost::token_compress_on); logging_config.loggers.push_back(logger_config); found_logging_config = true; } } if (found_logging_config) return logging_config; else return fc::optional<fc::logging_config>(); } FC_RETHROW_EXCEPTIONS(warn, "") }