Esempio n. 1
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void SumAggregator::Apply(const Table::Ptr& table, const Value& row)
{
	Column column = table->GetColumn(m_SumAttr);

	Value value = column.ExtractValue(row);

	m_Sum += value;
}
Esempio n. 2
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void AvgAggregator::Apply(const Table::Ptr& table, const Value& row)
{
	Column column = table->GetColumn(m_AvgAttr);

	Value value = column.ExtractValue(row);

	m_Avg += value;
	m_AvgCount++;
}
Esempio n. 3
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void MinAggregator::Apply(const Table::Ptr& table, const Value& row)
{
	Column column = table->GetColumn(m_MinAttr);

	Value value = column.ExtractValue(row);

	if (value < m_Min)
		m_Min = value;
}
Esempio n. 4
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void SumAggregator::Apply(const Table::Ptr& table, const Value& row, AggregatorState **state)
{
	Column column = table->GetColumn(m_SumAttr);

	Value value = column.ExtractValue(row);

	SumAggregatorState *pstate = EnsureState(state);

	pstate->Sum += value;
}
Esempio n. 5
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void StdAggregator::Apply(const Table::Ptr& table, const Value& row)
{
	Column column = table->GetColumn(m_StdAttr);

	Value value = column.ExtractValue(row);

	m_StdSum += value;
	m_StdQSum += pow(value, 2);
	m_StdCount++;
}
Esempio n. 6
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void AvgAggregator::Apply(const Table::Ptr& table, const Value& row, AggregatorState **state)
{
	Column column = table->GetColumn(m_AvgAttr);

	Value value = column.ExtractValue(row);

	AvgAggregatorState *pstate = EnsureState(state);

	pstate->Avg += value;
	pstate->AvgCount++;
}
Esempio n. 7
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void StdAggregator::Apply(const Table::Ptr& table, const Value& row, AggregatorState **state)
{
	Column column = table->GetColumn(m_StdAttr);

	Value value = column.ExtractValue(row);

	StdAggregatorState *pstate = EnsureState(state);

	pstate->StdSum += value;
	pstate->StdQSum += pow(value, 2);
	pstate->StdCount++;
}
Esempio n. 8
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bool AttributeFilter::Apply(const Table::Ptr& table, const Value& row)
{
	Column column = table->GetColumn(m_Column);

	Value value = column.ExtractValue(row);

	if (value.IsObjectType<Array>()) {
		Array::Ptr array = value;

		if (m_Operator == ">=" || m_Operator == "<") {
			bool negate = (m_Operator == "<");

			ObjectLock olock(array);
			for (const String& item : array) {
				if (item == m_Operand)
					return !negate; /* Item found in list. */
			}

			return negate; /* Item not found in list. */
		} else if (m_Operator == "=") {
			return (array->GetLength() == 0);
		} else {
			BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid operator for column '" + m_Column + "': " + m_Operator + " (expected '>=' or '=')."));
		}
	} else {
		if (m_Operator == "=") {
			if (value.GetType() == ValueNumber || value.GetType() == ValueBoolean)
				return (static_cast<double>(value) == Convert::ToDouble(m_Operand));
			else
				return (static_cast<String>(value) == m_Operand);
		} else if (m_Operator == "~") {
			bool ret;
			try {
				boost::regex expr(m_Operand.GetData());
				String operand = value;
				boost::smatch what;
				ret = boost::regex_search(operand.GetData(), what, expr);
			} catch (boost::exception&) {
				Log(LogWarning, "AttributeFilter")
					<< "Regex '" << m_Operand << " " << m_Operator << " " << value << "' error.";
				ret = false;
			}

			//Log(LogDebug, "LivestatusListener/AttributeFilter")
			//    << "Attribute filter '" << m_Operand + " " << m_Operator << " "
			//    << value << "' " << (ret ? "matches" : "doesn't match") << ".";

			return ret;
		} else if (m_Operator == "=~") {
			bool ret;
			try {
				String operand = value;
				ret = boost::iequals(operand, m_Operand.GetData());
			} catch (boost::exception&) {
				Log(LogWarning, "AttributeFilter")
					<< "Case-insensitive equality '" << m_Operand << " " << m_Operator << " " << value << "' error.";
				ret = false;
			}

			return ret;
		} else if (m_Operator == "~~") {
			bool ret;
			try {
				boost::regex expr(m_Operand.GetData(), boost::regex::icase);
				String operand = value;
				boost::smatch what;
				ret = boost::regex_search(operand.GetData(), what, expr);
			} catch (boost::exception&) {
				Log(LogWarning, "AttributeFilter")
					<< "Regex '" << m_Operand << " " << m_Operator << " " << value << "' error.";
				ret = false;
			}

			//Log(LogDebug, "LivestatusListener/AttributeFilter")
			//    << "Attribute filter '" << m_Operand << " " << m_Operator << " "
			//    << value << "' " << (ret ? "matches" : "doesn't match") << ".";

			return ret;
		} else if (m_Operator == "<") {
			if (value.GetType() == ValueNumber)
				return (static_cast<double>(value) < Convert::ToDouble(m_Operand));
			else
				return (static_cast<String>(value) < m_Operand);
		} else if (m_Operator == ">") {
			if (value.GetType() == ValueNumber)
				return (static_cast<double>(value) > Convert::ToDouble(m_Operand));
			else
				return (static_cast<String>(value) > m_Operand);
		} else if (m_Operator == "<=") {
			if (value.GetType() == ValueNumber)
				return (static_cast<double>(value) <= Convert::ToDouble(m_Operand));
			else
				return (static_cast<String>(value) <= m_Operand);
		} else if (m_Operator == ">=") {
			if (value.GetType() == ValueNumber)
				return (static_cast<double>(value) >= Convert::ToDouble(m_Operand));
			else
				return (static_cast<String>(value) >= m_Operand);
		} else {
			BOOST_THROW_EXCEPTION(std::invalid_argument("Unknown operator for column '" + m_Column + "': " + m_Operator));
		}
	}

	return false;
}