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4d28a01b84
m_DataBuffer may be modified concurrently while StatsFunc() is called, thus it's unsafe to call size() on it. As write access to m_DataBuffer is already synchronized by only modifying it from the single work queue thread, instead of adding a mutex, this commit adds a new std::atomic_size_t which is additionally updated when modifying m_DataBuffer and can safely be accessed in StatsFunc().
67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
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#ifndef INFLUXDBWRITER_H
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#define INFLUXDBWRITER_H
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#include "perfdata/influxdbwriter-ti.hpp"
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#include "icinga/service.hpp"
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#include "base/configobject.hpp"
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#include "base/tcpsocket.hpp"
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#include "base/timer.hpp"
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#include "base/tlsstream.hpp"
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#include "base/workqueue.hpp"
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#include <atomic>
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#include <fstream>
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namespace icinga
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{
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/**
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* An Icinga InfluxDB writer.
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*
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* @ingroup perfdata
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*/
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class InfluxdbWriter final : public ObjectImpl<InfluxdbWriter>
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{
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public:
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DECLARE_OBJECT(InfluxdbWriter);
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DECLARE_OBJECTNAME(InfluxdbWriter);
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static void StatsFunc(const Dictionary::Ptr& status, const Array::Ptr& perfdata);
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void ValidateHostTemplate(const Lazy<Dictionary::Ptr>& lvalue, const ValidationUtils& utils) override;
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void ValidateServiceTemplate(const Lazy<Dictionary::Ptr>& lvalue, const ValidationUtils& utils) override;
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protected:
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void OnConfigLoaded() override;
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void Resume() override;
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void Pause() override;
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private:
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Timer::Ptr m_FlushTimer;
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WorkQueue m_WorkQueue{10000000, 1};
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std::vector<String> m_DataBuffer;
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std::atomic_size_t m_DataBufferSize{0};
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void CheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
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void CheckResultHandlerWQ(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
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void SendMetric(const Checkable::Ptr& checkable, const Dictionary::Ptr& tmpl,
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const String& label, const Dictionary::Ptr& fields, double ts);
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void FlushTimeout();
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void FlushTimeoutWQ();
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void FlushWQ();
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static String EscapeKeyOrTagValue(const String& str);
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static String EscapeValue(const Value& value);
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OptionalTlsStream Connect();
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void AssertOnWorkQueue();
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void ExceptionHandler(boost::exception_ptr exp);
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};
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}
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#endif /* INFLUXDBWRITER_H */
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