StdOut.h

// 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_BACKEND_STDOUT_H
#define ALICEO2_MONITORING_BACKEND_STDOUT_H

#include "Monitoring/Backend.h"
#include <string>
#include <sstream>

namespace o2
{
namespace monitoring
{
namespace backends
{

class StdOut final : public Backend
{
 public:
  StdOut(const std::string& prefix = "METRIC");

  ~StdOut() = default;

  void send(const Metric& metric) override;

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

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

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

  std::string tagString;     
  const std::string mPrefix; 
};

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

#endif // ALICEO2_MONITORING_BACKEND_STDOUT_H