class Puma::CommonLogger

def log_hijacking(env, status, header, began_at)
  now = Time.now
  msg = HIJACK_FORMAT % [
    env[HTTP_X_FORWARDED_FOR] || env[REMOTE_ADDR] || "-",
    env[REMOTE_USER] || "-",
    now.strftime(LOG_TIME_FORMAT),
    env[REQUEST_METHOD],
    env[PATH_INFO],
    env[QUERY_STRING].empty? ? "" : "?#{env[QUERY_STRING]}",
    env[HTTP_VERSION],
    now - began_at ]
  write(msg)
end