mirror of https://github.com/Icinga/icinga2.git
262 lines
8.4 KiB
C++
262 lines
8.4 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2017 Icinga Development Team (https://www.icinga.com/) *
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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/opentsdbwriter.hpp"
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#include "perfdata/opentsdbwriter.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 "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/perfdatavalue.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/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(OpenTsdbWriter);
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REGISTER_STATSFUNCTION(OpenTsdbWriter, &OpenTsdbWriter::StatsFunc);
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void OpenTsdbWriter::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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for (const OpenTsdbWriter::Ptr& opentsdbwriter : ConfigType::GetObjectsByType<OpenTsdbWriter>()) {
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nodes->Set(opentsdbwriter->GetName(), 1); //add more stats
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}
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status->Set("opentsdbwriter", nodes);
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}
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void OpenTsdbWriter::Start(bool runtimeCreated)
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{
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ObjectImpl<OpenTsdbWriter>::Start(runtimeCreated);
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Log(LogInformation, "OpentsdbWriter")
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<< "'" << GetName() << "' started.";
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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(&OpenTsdbWriter::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(&OpenTsdbWriter::CheckResultHandler, this, _1, _2));
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}
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void OpenTsdbWriter::Stop(bool runtimeRemoved)
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{
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Log(LogInformation, "OpentsdbWriter")
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<< "'" << GetName() << "' stopped.";
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ObjectImpl<OpenTsdbWriter>::Stop(runtimeRemoved);
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}
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void OpenTsdbWriter::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, "OpenTsdbWriter")
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<< "Reconnect to OpenTSDB TSD 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, "OpenTsdbWriter")
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<< "Can't connect to OpenTSDB TSD 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 OpenTsdbWriter::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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String metric;
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std::map<String, String> tags;
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String escaped_hostName = EscapeMetric(host->GetName());
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tags["host"] = escaped_hostName;
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double ts = cr->GetExecutionEnd();
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if (service) {
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String serviceName = service->GetShortName();
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String escaped_serviceName = EscapeMetric(serviceName);
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metric = "icinga.service." + escaped_serviceName;
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SendMetric(metric + ".state", tags, service->GetState(), ts);
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} else {
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metric = "icinga.host";
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SendMetric(metric + ".state", tags, host->GetState(), ts);
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}
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SendMetric(metric + ".state_type", tags, checkable->GetStateType(), ts);
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SendMetric(metric + ".reachable", tags, checkable->IsReachable(), ts);
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SendMetric(metric + ".downtime_depth", tags, checkable->GetDowntimeDepth(), ts);
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SendMetric(metric + ".acknowledgement", tags, checkable->GetAcknowledgement(), ts);
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SendPerfdata(metric, tags, cr, ts);
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metric = "icinga.check";
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if (service) {
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tags["type"] = "service";
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String serviceName = service->GetShortName();
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String escaped_serviceName = EscapeTag(serviceName);
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tags["service"] = escaped_serviceName;
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} else {
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tags["type"] = "host";
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}
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SendMetric(metric + ".current_attempt", tags, checkable->GetCheckAttempt(), ts);
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SendMetric(metric + ".max_check_attempts", tags, checkable->GetMaxCheckAttempts(), ts);
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SendMetric(metric + ".latency", tags, cr->CalculateLatency(), ts);
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SendMetric(metric + ".execution_time", tags, cr->CalculateExecutionTime(), ts);
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}
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void OpenTsdbWriter::SendPerfdata(const String& metric, const std::map<String, String>& tags, 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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for (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, "OpenTsdbWriter")
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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(metric + "." + escaped_key, tags, pdv->GetValue(), ts);
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if (pdv->GetCrit())
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SendMetric(metric + "." + escaped_key + "_crit", tags, pdv->GetCrit(), ts);
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if (pdv->GetWarn())
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SendMetric(metric + "." + escaped_key + "_warn", tags, pdv->GetWarn(), ts);
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if (pdv->GetMin())
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SendMetric(metric + "." + escaped_key + "_min", tags, pdv->GetMin(), ts);
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if (pdv->GetMax())
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SendMetric(metric + "." + escaped_key + "_max", tags, pdv->GetMax(), ts);
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}
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}
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void OpenTsdbWriter::SendMetric(const String& metric, const std::map<String, String>& tags, double value, double ts)
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{
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String tags_string = "";
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for (const Dictionary::Pair& tag : tags) {
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tags_string += " " + tag.first + "=" + Convert::ToString(tag.second);
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}
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std::ostringstream msgbuf;
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/*
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* must be (http://opentsdb.net/docs/build/html/user_guide/writing.html)
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* put <metric> <timestamp> <value> <tagk1=tagv1[ tagk2=tagv2 ...tagkN=tagvN]>
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* "tags" must include at least one tag, we use "host=HOSTNAME"
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*/
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msgbuf << "put " << metric << " " << static_cast<long>(ts) << " " << Convert::ToString(value) << " " << tags_string;
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Log(LogDebug, "OpenTsdbWriter")
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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 put = 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(put.CStr(), put.GetLength());
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} catch (const std::exception& ex) {
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Log(LogCritical, "OpenTsdbWriter")
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<< "Cannot write to OpenTSDB TSD on host '" << GetHost() << "' port '" << GetPort() + "'.";
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m_Stream.reset();
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}
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}
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/* for metric and tag name rules, see
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* http://opentsdb.net/docs/build/html/user_guide/writing.html#metrics-and-tags
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*/
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String OpenTsdbWriter::EscapeTag(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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return result;
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}
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String OpenTsdbWriter::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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return result;
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}
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