mirror of https://github.com/Icinga/icinga2.git
125 lines
5.0 KiB
C++
125 lines
5.0 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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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_fwd.hpp"
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#include <boost/foreach.hpp>
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#include <boost/regex.hpp>
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using namespace icinga;
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AttributeFilter::AttributeFilter(const String& column, const String& op, const String& operand)
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: m_Column(column), m_Operator(op), m_Operand(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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BOOST_FOREACH(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)
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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", "Regex '" + m_Operand + " " + m_Operator + " " + Convert::ToString(value) + "' error.");
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ret = false;
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}
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//Log(LogDebug, "LivestatusListener/AttributeFilter", "Attribute filter '" + m_Operand + " " + m_Operator + " " +
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// static_cast<String>(value) + "' " + (ret ? "matches" : "doesn't match") + "." );
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return ret;
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} else if (m_Operator == "=~") {
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return string_iless()(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(), 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", "Regex '" + m_Operand + " " + m_Operator + " " + Convert::ToString(value) + "' error.");
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ret = false;
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}
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//Log(LogDebug, "LivestatusListener/AttributeFilter", "Attribute filter '" + m_Operand + " " + m_Operator + " " +
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// static_cast<String>(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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