mirror of https://github.com/Icinga/icinga2.git
122 lines
3.9 KiB
C++
122 lines
3.9 KiB
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
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#include "livestatus/attributefilter.hpp"
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#include "base/convert.hpp"
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#include "base/array.hpp"
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#include "base/objectlock.hpp"
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#include "base/logger.hpp"
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#include <boost/regex.hpp>
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#include <boost/algorithm/string/predicate.hpp>
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using namespace icinga;
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AttributeFilter::AttributeFilter(String column, String op, String operand)
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: m_Column(std::move(column)), m_Operator(std::move(op)), m_Operand(std::move(operand))
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{ }
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bool AttributeFilter::Apply(const Table::Ptr& table, const Value& row)
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{
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Column column = table->GetColumn(m_Column);
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Value value = column.ExtractValue(row);
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if (value.IsObjectType<Array>()) {
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Array::Ptr array = value;
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if (m_Operator == ">=" || m_Operator == "<") {
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bool negate = (m_Operator == "<");
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ObjectLock olock(array);
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for (const String& item : array) {
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if (item == m_Operand)
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return !negate; /* Item found in list. */
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}
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return negate; /* Item not found in list. */
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} else if (m_Operator == "=") {
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return (array->GetLength() == 0);
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} else {
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BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid operator for column '" + m_Column + "': " + m_Operator + " (expected '>=' or '=')."));
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}
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} else {
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if (m_Operator == "=") {
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if (value.GetType() == ValueNumber || value.GetType() == ValueBoolean)
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return (static_cast<double>(value) == Convert::ToDouble(m_Operand));
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else
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return (static_cast<String>(value) == m_Operand);
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} else if (m_Operator == "~") {
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bool ret;
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try {
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boost::regex expr(m_Operand.GetData());
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String operand = value;
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boost::smatch what;
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ret = boost::regex_search(operand.GetData(), what, expr);
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} catch (boost::exception&) {
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Log(LogWarning, "AttributeFilter")
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<< "Regex '" << m_Operand << " " << m_Operator << " " << value << "' error.";
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ret = false;
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}
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//Log(LogDebug, "LivestatusListener/AttributeFilter")
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// << "Attribute filter '" << m_Operand + " " << m_Operator << " "
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// << value << "' " << (ret ? "matches" : "doesn't match") << ".";
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return ret;
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} else if (m_Operator == "=~") {
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bool ret;
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try {
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String operand = value;
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ret = boost::iequals(operand, m_Operand.GetData());
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} catch (boost::exception&) {
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Log(LogWarning, "AttributeFilter")
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<< "Case-insensitive equality '" << m_Operand << " " << m_Operator << " " << value << "' error.";
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ret = false;
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}
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return ret;
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} else if (m_Operator == "~~") {
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bool ret;
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try {
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boost::regex expr(m_Operand.GetData(), boost::regex::icase);
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String operand = value;
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boost::smatch what;
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ret = boost::regex_search(operand.GetData(), what, expr);
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} catch (boost::exception&) {
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Log(LogWarning, "AttributeFilter")
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<< "Regex '" << m_Operand << " " << m_Operator << " " << value << "' error.";
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ret = false;
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}
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//Log(LogDebug, "LivestatusListener/AttributeFilter")
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// << "Attribute filter '" << m_Operand << " " << m_Operator << " "
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// << value << "' " << (ret ? "matches" : "doesn't match") << ".";
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return ret;
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} else if (m_Operator == "<") {
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if (value.GetType() == ValueNumber)
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return (static_cast<double>(value) < Convert::ToDouble(m_Operand));
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else
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return (static_cast<String>(value) < m_Operand);
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} else if (m_Operator == ">") {
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if (value.GetType() == ValueNumber)
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return (static_cast<double>(value) > Convert::ToDouble(m_Operand));
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else
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return (static_cast<String>(value) > m_Operand);
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} else if (m_Operator == "<=") {
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if (value.GetType() == ValueNumber)
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return (static_cast<double>(value) <= Convert::ToDouble(m_Operand));
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else
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return (static_cast<String>(value) <= m_Operand);
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} else if (m_Operator == ">=") {
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if (value.GetType() == ValueNumber)
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return (static_cast<double>(value) >= Convert::ToDouble(m_Operand));
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else
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return (static_cast<String>(value) >= m_Operand);
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} else {
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BOOST_THROW_EXCEPTION(std::invalid_argument("Unknown operator for column '" + m_Column + "': " + m_Operator));
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}
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}
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return false;
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}
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