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#pragma once
#include "metric.h"
#include "metric_registry.h"
namespace NMonitoring {
class TFakeMetricRegistry: public IMetricRegistry {
public:
TFakeMetricRegistry() noexcept
: CommonLabels_{0}
{
}
explicit TFakeMetricRegistry(TLabels commonLabels) noexcept
: CommonLabels_{std::move(commonLabels)}
{
}
IGauge* Gauge(ILabelsPtr labels) override;
ILazyGauge* LazyGauge(ILabelsPtr labels, std::function<double()> supplier) override;
IIntGauge* IntGauge(ILabelsPtr labels) override;
ILazyIntGauge* LazyIntGauge(ILabelsPtr labels, std::function<i64()> supplier) override;
ICounter* Counter(ILabelsPtr labels) override;
ILazyCounter* LazyCounter(ILabelsPtr labels, std::function<ui64()> supplier) override;
IRate* Rate(ILabelsPtr labels) override;
ILazyRate* LazyRate(ILabelsPtr labels, std::function<ui64()> supplier) override;
IHistogram* HistogramCounter(
ILabelsPtr labels,
IHistogramCollectorPtr collector) override;
IHistogram* HistogramRate(
ILabelsPtr labels,
IHistogramCollectorPtr collector) override;
void Accept(TInstant time, IMetricConsumer* consumer) const override;
void Append(TInstant time, IMetricConsumer* consumer) const override;
const TLabels& CommonLabels() const noexcept override;
void RemoveMetric(const ILabels& labels) noexcept override;
bool HasMetric(const ILabels &labels) noexcept override;
private:
TRWMutex Lock_;
THashMap<ILabelsPtr, IMetricPtr> Metrics_;
template <typename TMetric, EMetricType type, typename TLabelsType, typename... Args>
TMetric* Metric(TLabelsType&& labels, Args&&... args);
const TLabels CommonLabels_;
};
template <typename TBase>
struct TFakeAcceptor: TBase {
void Accept(TInstant time, IMetricConsumer* consumer) const override {
Y_UNUSED(time, consumer);
}
};
struct TFakeIntGauge final: public TFakeAcceptor<IIntGauge> {
i64 Add(i64 n) noexcept override {
Y_UNUSED(n);
return 0;
}
void Set(i64 n) noexcept override {
Y_UNUSED(n);
}
i64 Get() const noexcept override {
return 0;
}
};
struct TFakeLazyIntGauge final: public TFakeAcceptor<ILazyIntGauge> {
i64 Get() const noexcept override {
return 0;
}
};
struct TFakeRate final: public TFakeAcceptor<IRate> {
ui64 Add(ui64 n) noexcept override {
Y_UNUSED(n);
return 0;
}
ui64 Get() const noexcept override {
return 0;
}
void Reset() noexcept override {
}
};
struct TFakeLazyRate final: public TFakeAcceptor<ILazyRate> {
ui64 Get() const noexcept override {
return 0;
}
};
struct TFakeGauge final: public TFakeAcceptor<IGauge> {
double Add(double n) noexcept override {
Y_UNUSED(n);
return 0;
}
void Set(double n) noexcept override {
Y_UNUSED(n);
}
double Get() const noexcept override {
return 0;
}
};
struct TFakeLazyGauge final: public TFakeAcceptor<ILazyGauge> {
double Get() const noexcept override {
return 0;
}
};
struct TFakeHistogram final: public IHistogram {
TFakeHistogram(bool isRate = false)
: IHistogram{isRate}
{
}
void Record(double value) override {
Y_UNUSED(value);
}
void Record(double value, ui32 count) override {
Y_UNUSED(value, count);
}
IHistogramSnapshotPtr TakeSnapshot() const override {
return nullptr;
}
void Accept(TInstant time, IMetricConsumer* consumer) const override {
Y_UNUSED(time, consumer);
}
void Reset() override {
}
};
struct TFakeCounter final: public TFakeAcceptor<ICounter> {
ui64 Add(ui64 n) noexcept override {
Y_UNUSED(n);
return 0;
}
ui64 Get() const noexcept override {
return 0;
}
void Reset() noexcept override {
}
};
struct TFakeLazyCounter final: public TFakeAcceptor<ILazyCounter> {
ui64 Get() const noexcept override {
return 0;
}
};
} // namespace NMonitoring
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