C++ (Cpp) calcitem_evaluate_expression示例

示例#1

文件： checks_calculated.c 项目： HenryGeek/auto_deploy

int	get_value_calculated(DC_ITEM *dc_item, AGENT_RESULT *result)
{
	const char	*__function_name = "get_value_calculated";
	expression_t	exp;
	int		ret;
	char		error[MAX_STRING_LEN];
	double		value;

	zabbix_log(LOG_LEVEL_DEBUG, "In %s() key:'%s' expression:'%s'", __function_name,
			dc_item->key_orig, dc_item->params);

	memset(&exp, 0, sizeof(exp));

	if (SUCCEED != (ret = calcitem_parse_expression(dc_item, &exp, error, sizeof(error))))
	{
		SET_MSG_RESULT(result, strdup(error));
		goto clean;
	}

	if (SUCCEED != (ret = calcitem_evaluate_expression(dc_item, &exp, error, sizeof(error))))
	{
		SET_MSG_RESULT(result, strdup(error));
		goto clean;
	}

	if (SUCCEED != evaluate(&value, exp.exp, error, sizeof(error)))
	{
		SET_MSG_RESULT(result, strdup(error));
		ret = NOTSUPPORTED;
		goto clean;
	}

	zabbix_log(LOG_LEVEL_DEBUG, "%s() value:" ZBX_FS_DBL, __function_name, value);

	if (ITEM_VALUE_TYPE_UINT64 == dc_item->value_type && 0 > value)
	{
		SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Received value [" ZBX_FS_DBL "]"
				" is not suitable for value type [%s].",
				value, zbx_item_value_type_string(dc_item->value_type)));
		ret = NOTSUPPORTED;
		goto clean;
	}

	SET_DBL_RESULT(result, value);
clean:
	free_expression(&exp);

	zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __function_name, zbx_result_string(ret));

	return ret;
}

示例#2

文件： checks_calculated.c 项目： baniuyao/Zabbix_PPTV

int	get_value_calculated(DC_ITEM *dc_item, AGENT_RESULT *result)
{
	const char	*__function_name = "get_value_calculated";
	expression_t	exp;
	int		ret;
	char		error[MAX_STRING_LEN];
	double		value;

	zabbix_log(LOG_LEVEL_DEBUG, "In %s() key:'%s' expression:'%s'", __function_name,
			dc_item->key_orig, dc_item->params_orig);

	memset(&exp, 0, sizeof(exp));

	if (SUCCEED != (ret = calcitem_parse_expression(dc_item, &exp, error, sizeof(error))))
	{
		SET_MSG_RESULT(result, strdup(error));
		goto clean;
	}

	if (SUCCEED != (ret = calcitem_evaluate_expression(dc_item, &exp, error, sizeof(error))))
	{
		SET_MSG_RESULT(result, strdup(error));
		goto clean;
	}

	if (SUCCEED != evaluate(&value, exp.exp, error, sizeof(error)))
	{
		SET_MSG_RESULT(result, strdup(error));
		ret = NOTSUPPORTED;
		goto clean;
	}

	zabbix_log(LOG_LEVEL_DEBUG, "%s() value:" ZBX_FS_DBL, __function_name, value);

	SET_DBL_RESULT(result, value);
clean:
	free_expression(&exp);

	zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __function_name, zbx_result_string(ret));
			
	return ret;
}