mirror of https://github.com/Icinga/icinga2.git
134 lines
3.9 KiB
C++
134 lines
3.9 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 <vector>
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#include "thresholds.h"
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#include "boost\algorithm\string.hpp"
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#include "boost\lexical_cast.hpp"
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using std::wstring;
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threshold parse(const wstring& stri)
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{
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if (stri.empty())
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throw std::invalid_argument("thresholds must not be empty");
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wstring str = stri;
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bool low = (str.at(0) == L'!');
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if (low)
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str = wstring(str.begin() + 1, str.end());
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bool perc = false;
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if (str.at(0) == L'[' && str.at(str.length() - 1) == L']') {//is range
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str = wstring(str.begin() + 1, str.end() - 1);
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std::vector<wstring> svec;
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boost::split(svec, str, boost::is_any_of(L"-"));
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if (svec.size() != 2)
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throw std::invalid_argument("threshold range requires two arguments");
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wstring str1 = svec.at(0), str2 = svec.at(1);
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if (str1.at(str1.length() - 1) == L'%' && str2.at(str2.length() - 1) == L'%') {
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perc = true;
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str1 = wstring(str1.begin(), str1.end() - 1);
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str2 = wstring(str2.begin(), str2.end() - 1);
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}
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try {
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double d1 = boost::lexical_cast<double>(str1);
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double d2 = boost::lexical_cast<double>(str2);
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return threshold(d1, d2, !low, perc);
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} catch (const boost::bad_lexical_cast&) {
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throw std::invalid_argument("threshold must be a number");
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}
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} else { //not range
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if (str.at(str.length() - 1) == L'%') {
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perc = true;
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str = wstring(str.begin(), str.end() - 1);
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}
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try {
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double d = boost::lexical_cast<double>(str);
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return threshold(d, d, !low, perc);
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} catch (const boost::bad_lexical_cast&) {
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throw std::invalid_argument("threshold must be a number");
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}
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}
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}
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Bunit parseBUnit(const wchar_t *str)
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{
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if (!wcscmp(str, L"B"))
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return BunitB;
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if (!wcscmp(str, L"kB"))
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return BunitkB;
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if (!wcscmp(str, L"MB"))
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return BunitMB;
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if (!wcscmp(str, L"GB"))
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return BunitGB;
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if (!wcscmp(str, L"TB"))
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return BunitTB;
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throw std::invalid_argument("Unknown unit type");
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}
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wstring BunitStr(const Bunit& unit) {
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switch (unit) {
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case BunitB:
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return L"B";
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case BunitkB:
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return L"kB";
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case BunitMB:
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return L"MB";
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case BunitGB:
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return L"GB";
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case BunitTB:
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return L"TB";
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}
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return NULL;
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}
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Tunit parseTUnit(const wchar_t *str) {
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if (!wcscmp(str, L"ms"))
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return TunitMS;
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if (!wcscmp(str, L"s"))
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return TunitS;
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if (!wcscmp(str, L"m"))
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return TunitM;
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if (!wcscmp(str, L"h"))
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return TunitH;
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throw std::invalid_argument("Unknown unit type");
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}
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wstring TunitStr(const Tunit& unit) {
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switch (unit) {
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case TunitMS:
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return L"ms";
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case TunitS:
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return L"s";
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case TunitM:
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return L"m";
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case TunitH:
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return L"h";
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}
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return NULL;
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} |