mirror of https://github.com/Icinga/icinga2.git
143 lines
4.9 KiB
C++
143 lines
4.9 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2015 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 "perfdata/perfdatawriter.hpp"
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#include "icinga/service.hpp"
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#include "icinga/macroprocessor.hpp"
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#include "icinga/icingaapplication.hpp"
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#include "base/dynamictype.hpp"
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#include "base/objectlock.hpp"
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#include "base/logger.hpp"
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#include "base/convert.hpp"
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#include "base/utility.hpp"
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#include "base/context.hpp"
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#include "base/application.hpp"
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#include "base/statsfunction.hpp"
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using namespace icinga;
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REGISTER_TYPE(PerfdataWriter);
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REGISTER_STATSFUNCTION(PerfdataWriterStats, &PerfdataWriter::StatsFunc);
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Value PerfdataWriter::StatsFunc(const Dictionary::Ptr& status, const Array::Ptr&)
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{
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Dictionary::Ptr nodes = new Dictionary();
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BOOST_FOREACH(const PerfdataWriter::Ptr& perfdatawriter, DynamicType::GetObjectsByType<PerfdataWriter>()) {
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nodes->Set(perfdatawriter->GetName(), 1); //add more stats
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}
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status->Set("perfdatawriter", nodes);
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return 0;
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}
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void PerfdataWriter::Start(void)
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{
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DynamicObject::Start();
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Checkable::OnNewCheckResult.connect(boost::bind(&PerfdataWriter::CheckResultHandler, this, _1, _2));
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m_RotationTimer = new Timer();
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m_RotationTimer->OnTimerExpired.connect(boost::bind(&PerfdataWriter::RotationTimerHandler, this));
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m_RotationTimer->SetInterval(GetRotationInterval());
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m_RotationTimer->Start();
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RotateFile(m_ServiceOutputFile, GetServiceTempPath(), GetServicePerfdataPath());
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RotateFile(m_HostOutputFile, GetHostTempPath(), GetHostPerfdataPath());
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}
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Value PerfdataWriter::EscapeMacroMetric(const Value& value)
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{
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if (value.IsObjectType<Array>())
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return Utility::Join(value, ';');
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else
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return value;
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}
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void PerfdataWriter::CheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr)
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{
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CONTEXT("Writing performance data for object '" + checkable->GetName() + "'");
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if (!IcingaApplication::GetInstance()->GetEnablePerfdata() || !checkable->GetEnablePerfdata())
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return;
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Service::Ptr service = dynamic_pointer_cast<Service>(checkable);
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Host::Ptr host;
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if (service)
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host = service->GetHost();
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else
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host = static_pointer_cast<Host>(checkable);
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MacroProcessor::ResolverList resolvers;
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if (service)
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resolvers.push_back(std::make_pair("service", service));
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resolvers.push_back(std::make_pair("host", host));
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resolvers.push_back(std::make_pair("icinga", IcingaApplication::GetInstance()));
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if (service) {
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String line = MacroProcessor::ResolveMacros(GetServiceFormatTemplate(), resolvers, cr, NULL, &PerfdataWriter::EscapeMacroMetric);
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{
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ObjectLock olock(this);
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if (!m_ServiceOutputFile.good())
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return;
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m_ServiceOutputFile << line << "\n";
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}
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} else {
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String line = MacroProcessor::ResolveMacros(GetHostFormatTemplate(), resolvers, cr, NULL, &PerfdataWriter::EscapeMacroMetric);
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{
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ObjectLock olock(this);
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if (!m_HostOutputFile.good())
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return;
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m_HostOutputFile << line << "\n";
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}
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}
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}
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void PerfdataWriter::RotateFile(std::ofstream& output, const String& temp_path, const String& perfdata_path)
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{
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ObjectLock olock(this);
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if (output.good()) {
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output.close();
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String finalFile = perfdata_path + "." + Convert::ToString((long)Utility::GetTime());
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(void) rename(temp_path.CStr(), finalFile.CStr());
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}
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output.open(temp_path.CStr());
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if (!output.good())
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Log(LogWarning, "PerfdataWriter")
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<< "Could not open perfdata file '" << temp_path << "' for writing. Perfdata will be lost.";
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}
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void PerfdataWriter::RotationTimerHandler(void)
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{
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RotateFile(m_ServiceOutputFile, GetServiceTempPath(), GetServicePerfdataPath());
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RotateFile(m_HostOutputFile, GetHostTempPath(), GetHostPerfdataPath());
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}
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