icinga2/lib/icinga/perfdatavalue.cpp

169 lines
4.7 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#include "icinga/perfdatavalue.h"
#include "base/convert.h"
#include <boost/algorithm/string/case_conv.hpp>
#include <boost/algorithm/string/split.hpp>
#include <boost/algorithm/string/classification.hpp>
using namespace icinga;
REGISTER_TYPE(PerfdataValue);
PerfdataValue::PerfdataValue(void)
{ }
PerfdataValue::PerfdataValue(double value, bool counter, const String& unit,
const Value& warn, const Value& crit, const Value& min, const Value& max)
{
SetValue(value);
SetCounter(counter);
SetUnit(unit);
SetWarn(warn);
SetCrit(crit);
SetMin(min);
SetMax(max);
}
Value PerfdataValue::Parse(const String& perfdata)
{
size_t pos = perfdata.FindFirstNotOf("+-0123456789.e");
double value = Convert::ToDouble(perfdata.SubStr(0, pos));
if (pos == String::NPos)
return value;
std::vector<String> tokens;
boost::algorithm::split(tokens, perfdata, boost::is_any_of(";"));
bool counter = false;
String unit;
Value warn, crit, min, max;
unit = perfdata.SubStr(pos, tokens[0].GetLength() - pos);
boost::algorithm::to_lower(unit);
double base = 1.0;
if (unit == "us") {
base /= 1000.0 * 1000.0;
unit = "seconds";
} else if (unit == "ms") {
base /= 1000.0;
unit = "seconds";
} else if (unit == "s") {
unit = "seconds";
} else if (unit == "tb") {
base *= 1024.0 * 1024.0 * 1024.0 * 1024.0;
unit = "bytes";
} else if (unit == "gb") {
base *= 1024.0 * 1024.0 * 1024.0;
unit = "bytes";
} else if (unit == "mb") {
base *= 1024.0 * 1024.0;
unit = "bytes";
} else if (unit == "kb") {
base *= 1024.0;
unit = "bytes";
} else if (unit == "b") {
unit = "bytes";
} else if (unit == "%") {
unit = "percent";
} else if (unit == "c") {
counter = true;
unit = "";
} else if (unit != "") {
BOOST_THROW_EXCEPTION(std::invalid_argument("Invalid performance data unit: " + unit));
}
if (tokens.size() > 1 && tokens[1] != "U" && tokens[1] != "")
warn = Convert::ToDouble(tokens[1]);
if (tokens.size() > 2 && tokens[2] != "U" && tokens[2] != "")
crit = Convert::ToDouble(tokens[2]);
if (tokens.size() > 3 && tokens[3] != "U" && tokens[3] != "")
min = Convert::ToDouble(tokens[3]);
if (tokens.size() > 4 && tokens[4] != "U" && tokens[4] != "")
max = Convert::ToDouble(tokens[4]);
value = value * base;
if (!warn.IsEmpty())
warn = warn * base;
if (!crit.IsEmpty())
crit = crit * base;
if (!min.IsEmpty())
min = min * base;
if (!max.IsEmpty())
max = max * base;
return make_shared<PerfdataValue>(value, counter, unit, warn, crit, min, max);
}
String PerfdataValue::Format(const Value& perfdata)
{
if (perfdata.IsObjectType<PerfdataValue>()) {
PerfdataValue::Ptr pdv = perfdata;
std::ostringstream result;
result << Convert::ToString(pdv->GetValue());
String unit;
if (pdv->GetCounter())
unit = "c";
else if (pdv->GetUnit() == "seconds")
unit = "s";
else if (pdv->GetUnit() == "percent")
unit = "%";
else if (pdv->GetUnit() == "bytes")
unit = "B";
result << unit;
if (!pdv->GetWarn().IsEmpty()) {
result << ";" << pdv->GetWarn();
if (!pdv->GetCrit().IsEmpty()) {
result << ";" << pdv->GetCrit();
if (!pdv->GetMin().IsEmpty()) {
result << ";" << pdv->GetMin();
if (!pdv->GetMax().IsEmpty()) {
result << ";" << pdv->GetMax();
}
}
}
}
return result.str();
} else {
return perfdata;
}
}