mirror of https://github.com/Icinga/icinga2.git
150 lines
4.7 KiB
C++
150 lines
4.7 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012 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 "i2-icinga.h"
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using namespace icinga;
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REGISTER_TYPE(PerfdataWriter, NULL);
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PerfdataWriter::PerfdataWriter(const Dictionary::Ptr& properties)
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: DynamicObject(properties)
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{
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RegisterAttribute("path_prefix", Attribute_Config, &m_PathPrefix);
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RegisterAttribute("format_template", Attribute_Config, &m_FormatTemplate);
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RegisterAttribute("rotation_interval", Attribute_Config, &m_RotationInterval);
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}
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PerfdataWriter::~PerfdataWriter(void)
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{
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}
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void PerfdataWriter::OnAttributeChanged(const String& name, const Value& oldValue)
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{
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if (name == "rotation_interval") {
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ObjectLock olock(this);
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m_RotationTimer->SetInterval(GetRotationInterval());
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}
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}
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void PerfdataWriter::Start(void)
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{
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m_Endpoint = Endpoint::MakeEndpoint("perfdata_" + GetName(), false);
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{
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ObjectLock olock(m_Endpoint);
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m_Endpoint->RegisterTopicHandler("checker::CheckResult",
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boost::bind(&PerfdataWriter::CheckResultRequestHandler, this, _3));
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}
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m_RotationTimer = boost::make_shared<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();
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}
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PerfdataWriter::Ptr PerfdataWriter::GetByName(const String& name)
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{
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DynamicObject::Ptr configObject = DynamicObject::GetObject("PerfdataWriter", name);
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return dynamic_pointer_cast<PerfdataWriter>(configObject);
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}
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String PerfdataWriter::GetPathPrefix(void) const
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{
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if (!m_PathPrefix.IsEmpty())
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return m_PathPrefix;
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else
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return Application::GetLocalStateDir() + "/cache/icinga2/perfdata/perfdata";
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}
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String PerfdataWriter::GetFormatTemplate(void) const
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{
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if (!m_FormatTemplate.IsEmpty()) {
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return m_FormatTemplate;
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} else {
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return "DATATYPE::SERVICEPERFDATA\t"
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"TIMET::$TIMET$\t"
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"HOSTNAME::$HOSTNAME$\t"
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"SERVICEDESC::$SERVICEDESC$\t"
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"SERVICEPERFDATA::$SERVICEPERFDATA$\t"
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"SERVICECHECKCOMMAND::$SERVICECHECKCOMMAND$\t"
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"HOSTSTATE::$HOSTSTATE$\t"
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"HOSTSTATETYPE::$HOSTSTATETYPE$\t"
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"SERVICESTATE::$SERVICESTATE$\t"
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"SERVICESTATETYPE::$SERVICESTATETYPE$";
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}
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}
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double PerfdataWriter::GetRotationInterval(void) const
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{
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if (!m_RotationInterval.IsEmpty())
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return m_RotationInterval;
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else
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return 30;
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}
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void PerfdataWriter::CheckResultRequestHandler(const RequestMessage& request)
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{
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CheckResultMessage params;
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if (!request.GetParams(¶ms))
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return;
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String svcname = params.GetService();
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Service::Ptr service = Service::GetByName(svcname);
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Dictionary::Ptr cr = params.GetCheckResult();
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if (!cr)
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return;
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Dictionary::Ptr macros = cr->Get("macros");
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String line = MacroProcessor::ResolveMacros(GetFormatTemplate(), macros);
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if (!m_OutputFile.good())
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return;
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ObjectLock olock(this);
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m_OutputFile << line << "\n";
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}
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void PerfdataWriter::RotateFile(void)
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{
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String tempFile = GetPathPrefix();
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if (m_OutputFile.good()) {
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m_OutputFile.close();
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String finalFile = GetPathPrefix() + "." + Convert::ToString((long)Utility::GetTime());
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(void) rename(tempFile.CStr(), finalFile.CStr());
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}
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m_OutputFile.open(tempFile.CStr());
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if (!m_OutputFile.good())
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Logger::Write(LogWarning, "icinga", "Could not open perfdata file '" + tempFile + "' 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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ObjectLock olock(this);
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RotateFile();
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}
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