1 files changed, 101 insertions, 0 deletions
diff --git a/lib/perfdata/influxdbcommonwriter.hpp b/lib/perfdata/influxdbcommonwriter.hpp
new file mode 100644
index 0000000..380b20c
--- /dev/null
+++ b/lib/perfdata/influxdbcommonwriter.hpp
@@ -0,0 +1,101 @@
+/* Icinga 2 | (c) 2021 Icinga GmbH | GPLv2+ */
+
+#ifndef INFLUXDBCOMMONWRITER_H
+#define INFLUXDBCOMMONWRITER_H
+
+#include "perfdata/influxdbcommonwriter-ti.hpp"
+#include "icinga/service.hpp"
+#include "base/configobject.hpp"
+#include "base/perfdatavalue.hpp"
+#include "base/tcpsocket.hpp"
+#include "base/timer.hpp"
+#include "base/tlsstream.hpp"
+#include "base/workqueue.hpp"
+#include "remote/url.hpp"
+#include <boost/beast/http/message.hpp>
+#include <boost/beast/http/string_body.hpp>
+#include <atomic>
+#include <fstream>
+
+namespace icinga
+{
+
+/**
+ * Common base class for InfluxDB v1/v2 writers.
+ *
+ * @ingroup perfdata
+ */
+class InfluxdbCommonWriter : public ObjectImpl<InfluxdbCommonWriter>
+{
+public:
+	DECLARE_OBJECT(InfluxdbCommonWriter);
+
+	template<class InfluxWriter>
+	static void StatsFunc(const Dictionary::Ptr& status, const Array::Ptr& perfdata);
+
+	void ValidateHostTemplate(const Lazy<Dictionary::Ptr>& lvalue, const ValidationUtils& utils) override;
+	void ValidateServiceTemplate(const Lazy<Dictionary::Ptr>& lvalue, const ValidationUtils& utils) override;
+
+protected:
+	void OnConfigLoaded() override;
+	void Resume() override;
+	void Pause() override;
+
+	boost::beast::http::request<boost::beast::http::string_body> AssembleBaseRequest(String body);
+	Url::Ptr AssembleBaseUrl();
+	virtual boost::beast::http::request<boost::beast::http::string_body> AssembleRequest(String body) = 0;
+	virtual Url::Ptr AssembleUrl() = 0;
+
+private:
+	boost::signals2::connection m_HandleCheckResults;
+	Timer::Ptr m_FlushTimer;
+	WorkQueue m_WorkQueue{10000000, 1};
+	std::vector<String> m_DataBuffer;
+	std::atomic_size_t m_DataBufferSize{0};
+
+	void CheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
+	void CheckResultHandlerWQ(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
+	void SendMetric(const Checkable::Ptr& checkable, const Dictionary::Ptr& tmpl,
+		const String& label, const Dictionary::Ptr& fields, double ts);
+	void FlushTimeout();
+	void FlushTimeoutWQ();
+	void FlushWQ();
+
+	static String EscapeKeyOrTagValue(const String& str);
+	static String EscapeValue(const Value& value);
+
+	OptionalTlsStream Connect();
+
+	void AssertOnWorkQueue();
+
+	void ExceptionHandler(boost::exception_ptr exp);
+};
+
+template<class InfluxWriter>
+void InfluxdbCommonWriter::StatsFunc(const Dictionary::Ptr& status, const Array::Ptr& perfdata)
+{
+	DictionaryData nodes;
+	auto typeName (InfluxWriter::TypeInstance->GetName().ToLower());
+
+	for (const typename InfluxWriter::Ptr& influxwriter : ConfigType::GetObjectsByType<InfluxWriter>()) {
+		size_t workQueueItems = influxwriter->m_WorkQueue.GetLength();
+		double workQueueItemRate = influxwriter->m_WorkQueue.GetTaskCount(60) / 60.0;
+		size_t dataBufferItems = influxwriter->m_DataBufferSize;
+
+		nodes.emplace_back(influxwriter->GetName(), new Dictionary({
+			{ "work_queue_items", workQueueItems },
+			{ "work_queue_item_rate", workQueueItemRate },
+			{ "data_buffer_items", dataBufferItems }
+		}));
+
+		perfdata->Add(new PerfdataValue(typeName + "_" + influxwriter->GetName() + "_work_queue_items", workQueueItems));
+		perfdata->Add(new PerfdataValue(typeName + "_" + influxwriter->GetName() + "_work_queue_item_rate", workQueueItemRate));
+		perfdata->Add(new PerfdataValue(typeName + "_" + influxwriter->GetName() + "_data_queue_items", dataBufferItems));
+	}
+
+	status->Set(typeName, new Dictionary(std::move(nodes)));
+}
+
+}
+
+#endif /* INFLUXDBCOMMONWRITER_H */