InfluxDB.h

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// Copyright CERN and copyright holders of ALICE O2. This software is
// distributed under the terms of the GNU General Public License v3 (GPL
// Version 3), copied verbatim in the file "COPYING".
//
// See http://alice-o2.web.cern.ch/license for full licensing information.
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.


#ifndef ALICEO2_MONITORING_BACKENDS_INFLUXDB_H
#define ALICEO2_MONITORING_BACKENDS_INFLUXDB_H

#include "Monitoring/Backend.h"
#include "../Transports/TransportInterface.h"
#include "../MonLogger.h"
#include <chrono>
#include <string>

namespace o2
{
namespace monitoring
{
namespace backends
{

class InfluxDB final : public Backend
{
 public:
  InfluxDB(std::unique_ptr<transports::TransportInterface> transport);

  ~InfluxDB() = default;

  inline unsigned long convertTimestamp(const std::chrono::time_point<std::chrono::system_clock>& timestamp);

  void send(const Metric& metric) override;

  void send(std::vector<Metric>&& metrics) override;

  void addGlobalTag(std::string_view name, std::string_view value) override;

  std::string toInfluxLineProtocol(const Metric& metric);

 private:
  std::unique_ptr<transports::TransportInterface> mTransport; 
  std::string tagSet;                                         

  void escape(std::string& escaped);
};

} // namespace backends
} // namespace monitoring
} // namespace o2

#endif // ALICEO2_MONITORING_BACKENDS_INFLUXDB_H