def populate_option_lookup
      super()

      # integer options
      [RECONNECT_IVL_MAX, RCVHWM, SNDHWM, RATE, RECOVERY_IVL, SNDBUF, RCVBUF].each { |option| @option_lookup[option] = 0 }
    end
def populate_option_lookup
      super()

      # integer options
      [RECONNECT_IVL_MAX, RCVHWM, SNDHWM, RATE, RECOVERY_IVL, SNDBUF, RCVBUF].each { |option| @option_lookup[option] = 0 }
    end
Populate socket option lookup array