public static string level_name (Distinst.LogLevel level) {
    switch(level) {
    case Distinst.LogLevel.TRACE:
        return "Trace";
    case Distinst.LogLevel.DEBUG:
        return "Debug";
    case Distinst.LogLevel.INFO:
        return "Info";
    case Distinst.LogLevel.WARN:
        return "Warn";
    case Distinst.LogLevel.ERROR:
        return "Error";
    default:
        return "Unknown";
    }
}

public static string step_name (Distinst.Step step) {
    switch(step) {
    case Distinst.Step.PARTITION:
        return "Partition";
    case Distinst.Step.FORMAT:
        return "Format";
    case Distinst.Step.EXTRACT:
        return "Extract";
    case Distinst.Step.CONFIGURE:
        return "Configure";
    case Distinst.Step.BOOTLOADER:
        return "Bootloader";
    default:
        return "Unknown";
    }
}

public static int main (string[] args) {
    var user_data = 0x12C0FFEE;

    Distinst.log((level, message) => {
        warning ("Log: %s %s %X", level_name (level), message, user_data);
    });

    var installer = new Distinst.Installer ();

    installer.on_error((error) => {
        warning ("Error: %s %s %X", step_name (error.step), strerror (error.err), user_data);
    });

    installer.on_status((status) => {
        warning ("Status: %s %d %X", step_name (status.step), status.percent, user_data);
    });

    var config = Distinst.Config ();
    config.squashfs = "../../bash/filesystem.squashfs";
    config.disk = "/dev/sda";

    installer.install (config);

    return 0;
}