{

public:

/// Default constructor

DPLMonitoringBackend(ServiceRegistry& registry);

/// Default destructor

~DPLMonitoringBackend() override = default;

/// Prints metric

/// \param metric reference to metric object

void send(const o2::monitoring::Metric& metric) override;

/// Prints vector of metrics

/// \@param metrics vector of metrics

void send(std::vector<o2::monitoring::Metric>&& metrics) override;

/// Adds tag

/// \param name tag name

/// \param value tag value

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

private:

/// Converts timestamp to unsigned long (miliseconds from epoch)

/// \param timestamp timestamp in std::chrono::time_point format

/// \return timestamp as unsigned long (miliseconds from epoch)

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

std::string mTagString; ///< Global tagset (common for each metric)

const std::string mPrefix; ///< Metric prefix

ServiceRegistry& mRegistry;