Method log

common/logging.cpp:163–210

}

void Logging::log(LogLevel level, const std::string& message)
{
    std::stringstream ss;
    auto now        = std::chrono::system_clock::now();
    auto now_time_t = std::chrono::system_clock::to_time_t(now);
    auto now_ms     = std::chrono::duration_cast<std::chrono::milliseconds>(now.time_since_epoch()) % 1000;

    ss << std::put_time(std::localtime(&now_time_t), "[%Y-%m-%d %H:%M:%S");
    ss << "." << std::setfill('0') << std::setw(3) << now_ms.count() << "]";

    switch (level) {
        case LogLevel::TRACE:
            ss << " TRACE - ";
            break;
        case LogLevel::DEBUG:
            ss << " DEBUG - ";
            break;
        case LogLevel::INFO:
            ss << "  INFO - ";
            break;
        case LogLevel::WARN:
            ss << "  WARN - ";
            break;
        case LogLevel::ERROR:
            ss << " ERROR - ";
            break;
    }

    std::string logEntry = ss.str() + message + "\n";

    std::lock_guard<std::mutex> lock(logMutex);
    applicationLogs += logEntry;
    if (applicationLogs.size() > APPLICATION_LOGS_CAP) {
        // Drop the oldest data, trimming to the next line boundary so the window
        // never starts mid-entry.
        size_t drop = applicationLogs.size() - APPLICATION_LOGS_CAP;
        size_t nl   = applicationLogs.find('\n', drop);
        applicationLogs.erase(0, nl == std::string::npos ? drop : nl + 1);
    }
    logBuffer += logEntry;

    // Flush if buffer is getting full or for important messages
    if (logFile != nullptr) {
        if (logBuffer.size() >= LOG_BUFFER_SIZE || level == LogLevel::ERROR || level == LogLevel::WARN) {
            flushLogBuffer();
        }
    }
}

void Logging::initFileLogging()
{