bool Recorder::CheckDisk()

in rosbag_cloud_recorders/src/utils/recorder.cpp [675:729]
55 lines of code
7 McCabe index (conditional complexity)

bool Recorder::CheckDisk() {
#if BOOST_FILESYSTEM_VERSION < 3
    struct statvfs fiData;
    if ((statvfs(bag_.getFileName().c_str(), &fiData)) < 0)
    {
        ROS_WARN("Failed to check filesystem stats.");
        return true;
    }
    unsigned long long free_space = 0;
    free_space = (unsigned long long) (fiData.f_bsize) * (unsigned long long) (fiData.f_bavail);
    if (free_space < options_.min_space)
    {
        ROS_ERROR("Less than %s of space free on disk with '%s'.  Disabling recording.", options_.min_space_str.c_str(), bag_.getFileName().c_str());
        writing_enabled_ = false;
        return false;
    }
    else if (free_space < 5 * options_.min_space)
    {
        ROS_WARN("Less than 5 x %s of space free on disk with '%s'.", options_.min_space_str.c_str(), bag_.getFileName().c_str());
    }
    else
    {
        writing_enabled_ = true;
    }
#else
    boost::filesystem::path p(boost::filesystem::system_complete(bag_.getFileName().c_str()));
    p = p.parent_path();
    boost::filesystem::space_info info {};
    try
    {
        info = boost::filesystem::space(p);
    }
    catch (const boost::filesystem::filesystem_error& e) 
    { 
        ROS_WARN("Failed to check filesystem stats [%s].", e.what());
        writing_enabled_ = false;
        return false;
    }
    if ( info.available < options_.min_space)
    {
        writing_enabled_ = false;
        throw rosbag::BagException("Less than " + options_.min_space_str + " of space free on disk with " + bag_.getFileName() + ". Disabling recording.");
    }
    else if (info.available < 5 * options_.min_space)
    {
        ROS_WARN("Less than 5 x %s of space free on disk with '%s'.", options_.min_space_str.c_str(), bag_.getFileName().c_str());
        writing_enabled_ = true;
    }
    else
    {
        writing_enabled_ = true;
    }
#endif
    return true;
}