mirror of https://github.com/Icinga/icinga2.git
250 lines
8.3 KiB
C++
250 lines
8.3 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/graphitewriter.hpp"
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#include "perfdata/graphitewriter.tcpp"
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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 "icinga/compatutility.hpp"
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#include "icinga/perfdatavalue.hpp"
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#include "base/tcpsocket.hpp"
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#include "base/configtype.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/application.hpp"
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#include "base/stream.hpp"
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#include "base/networkstream.hpp"
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#include "base/exception.hpp"
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#include "base/statsfunction.hpp"
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#include <boost/algorithm/string.hpp>
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#include <boost/algorithm/string/classification.hpp>
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#include <boost/foreach.hpp>
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#include <boost/algorithm/string/split.hpp>
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#include <boost/algorithm/string/replace.hpp>
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using namespace icinga;
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REGISTER_TYPE(GraphiteWriter);
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REGISTER_STATSFUNCTION(GraphiteWriterStats, &GraphiteWriter::StatsFunc);
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void GraphiteWriter::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 GraphiteWriter::Ptr& graphitewriter, ConfigType::GetObjectsByType<GraphiteWriter>()) {
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nodes->Set(graphitewriter->GetName(), 1); //add more stats
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}
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status->Set("graphitewriter", nodes);
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}
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void GraphiteWriter::Start(void)
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{
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ObjectImpl<GraphiteWriter>::Start();
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m_ReconnectTimer = new Timer();
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m_ReconnectTimer->SetInterval(10);
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m_ReconnectTimer->OnTimerExpired.connect(boost::bind(&GraphiteWriter::ReconnectTimerHandler, this));
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m_ReconnectTimer->Start();
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m_ReconnectTimer->Reschedule(0);
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Service::OnNewCheckResult.connect(boost::bind(&GraphiteWriter::CheckResultHandler, this, _1, _2));
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}
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void GraphiteWriter::ReconnectTimerHandler(void)
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{
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if (m_Stream)
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return;
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TcpSocket::Ptr socket = new TcpSocket();
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Log(LogNotice, "GraphiteWriter")
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<< "Reconnecting to Graphite on host '" << GetHost() << "' port '" << GetPort() << "'.";
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try {
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socket->Connect(GetHost(), GetPort());
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} catch (std::exception&) {
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Log(LogCritical, "GraphiteWriter")
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<< "Can't connect to Graphite on host '" << GetHost() << "' port '" << GetPort() << "'.";
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return;
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}
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m_Stream = new NetworkStream(socket);
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}
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void GraphiteWriter::CheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr)
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{
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CONTEXT("Processing check result for '" + 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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String prefix;
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double ts = cr->GetExecutionEnd();
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if (service) {
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prefix = MacroProcessor::ResolveMacros(GetServiceNameTemplate(), resolvers, cr, NULL, &GraphiteWriter::EscapeMacroMetric);
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SendMetric(prefix, "state", service->GetState(), ts);
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} else {
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prefix = MacroProcessor::ResolveMacros(GetHostNameTemplate(), resolvers, cr, NULL, &GraphiteWriter::EscapeMacroMetric);
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SendMetric(prefix, "state", host->GetState(), ts);
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}
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SendMetric(prefix, "current_attempt", checkable->GetCheckAttempt(), ts);
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SendMetric(prefix, "max_check_attempts", checkable->GetMaxCheckAttempts(), ts);
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SendMetric(prefix, "state_type", checkable->GetStateType(), ts);
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SendMetric(prefix, "reachable", checkable->IsReachable(), ts);
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SendMetric(prefix, "downtime_depth", checkable->GetDowntimeDepth(), ts);
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SendMetric(prefix, "latency", Service::CalculateLatency(cr), ts);
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SendMetric(prefix, "execution_time", Service::CalculateExecutionTime(cr), ts);
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SendPerfdata(prefix, cr, ts);
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}
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void GraphiteWriter::SendPerfdata(const String& prefix, const CheckResult::Ptr& cr, double ts)
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{
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Array::Ptr perfdata = cr->GetPerformanceData();
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if (!perfdata)
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return;
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ObjectLock olock(perfdata);
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BOOST_FOREACH(const Value& val, perfdata) {
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PerfdataValue::Ptr pdv;
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if (val.IsObjectType<PerfdataValue>())
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pdv = val;
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else {
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try {
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pdv = PerfdataValue::Parse(val);
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} catch (const std::exception&) {
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Log(LogWarning, "GraphiteWriter")
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<< "Ignoring invalid perfdata value: " << val;
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continue;
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}
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}
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String escaped_key = EscapeMetric(pdv->GetLabel());
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boost::algorithm::replace_all(escaped_key, "::", ".");
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SendMetric(prefix, escaped_key, pdv->GetValue(), ts);
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if (pdv->GetCrit())
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SendMetric(prefix, escaped_key + "_crit", pdv->GetCrit(), ts);
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if (pdv->GetWarn())
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SendMetric(prefix, escaped_key + "_warn", pdv->GetWarn(), ts);
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if (pdv->GetMin())
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SendMetric(prefix, escaped_key + "_min", pdv->GetMin(), ts);
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if (pdv->GetMax())
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SendMetric(prefix, escaped_key + "_max", pdv->GetMax(), ts);
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}
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}
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void GraphiteWriter::SendMetric(const String& prefix, const String& name, double value, double ts)
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{
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std::ostringstream msgbuf;
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msgbuf << prefix << "." << name << " " << Convert::ToString(value) << " " << static_cast<long>(ts);
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Log(LogDebug, "GraphiteWriter")
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<< "Add to metric list:'" << msgbuf.str() << "'.";
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// do not send \n to debug log
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msgbuf << "\n";
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String metric = msgbuf.str();
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ObjectLock olock(this);
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if (!m_Stream)
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return;
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try {
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m_Stream->Write(metric.CStr(), metric.GetLength());
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} catch (const std::exception& ex) {
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Log(LogCritical, "GraphiteWriter")
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<< "Cannot write to TCP socket on host '" << GetHost() << "' port '" << GetPort() << "'.";
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m_Stream.reset();
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}
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}
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String GraphiteWriter::EscapeMetric(const String& str)
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{
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String result = str;
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boost::replace_all(result, " ", "_");
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boost::replace_all(result, ".", "_");
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boost::replace_all(result, "-", "_");
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boost::replace_all(result, "\\", "_");
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boost::replace_all(result, "/", "_");
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return result;
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}
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Value GraphiteWriter::EscapeMacroMetric(const Value& value)
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{
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if (value.IsObjectType<Array>()) {
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Array::Ptr arr = value;
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Array::Ptr result = new Array();
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ObjectLock olock(arr);
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BOOST_FOREACH(const Value& arg, arr) {
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result->Add(EscapeMetric(arg));
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}
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return Utility::Join(result, '.');
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} else
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return EscapeMetric(value);
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}
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void GraphiteWriter::ValidateHostNameTemplate(const String& value, const ValidationUtils& utils)
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{
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ObjectImpl<GraphiteWriter>::ValidateHostNameTemplate(value, utils);
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if (!MacroProcessor::ValidateMacroString(value))
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BOOST_THROW_EXCEPTION(ValidationError(this, boost::assign::list_of("host_name_template"), "Closing $ not found in macro format string '" + value + "'."));
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}
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void GraphiteWriter::ValidateServiceNameTemplate(const String& value, const ValidationUtils& utils)
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{
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ObjectImpl<GraphiteWriter>::ValidateServiceNameTemplate(value, utils);
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if (!MacroProcessor::ValidateMacroString(value))
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BOOST_THROW_EXCEPTION(ValidationError(this, boost::assign::list_of("service_name_template"), "Closing $ not found in macro format string '" + value + "'."));
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}
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