/**
	 * 平均每次TCP接收到的字节数，这个可以用来监控慢攻击，配置PacketsPerTcpReceive定位慢攻击
	 */
	public double getBytesPerTcpReceive() {
		if (receivedTcps.get() == 0) {
			return 0;
		}
		double ret = (double) receivedBytes.get() / (double) receivedTcps.get();
		return ret;
	}
	/**
	 * 平均每次TCP接收到的业务包数，这个可以用来监控慢攻击，此值越小越有攻击嫌疑
	 */
	public double getPacketsPerTcpReceive() {
		if (receivedTcps.get() == 0) {
			return 0;
		}
		double ret = (double) receivedPackets.get() / (double) receivedTcps.get();
		return ret;
	}