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#include "protobuf.h"
#include <util/datetime/base.h>
namespace NMonitoring {
namespace {
NProto::EMetricType ConvertMetricType(EMetricType type) {
switch (type) {
case EMetricType::GAUGE:
return NProto::GAUGE;
case EMetricType::COUNTER:
return NProto::COUNTER;
case EMetricType::RATE:
return NProto::RATE;
case EMetricType::IGAUGE:
return NProto::IGAUGE;
case EMetricType::HIST:
return NProto::HISTOGRAM;
case EMetricType::HIST_RATE:
return NProto::HIST_RATE;
case EMetricType::DSUMMARY:
return NProto::DSUMMARY;
case EMetricType::LOGHIST:
return NProto::LOGHISTOGRAM;
case EMetricType::UNKNOWN:
return NProto::UNKNOWN;
}
}
void FillHistogram(
const IHistogramSnapshot& snapshot,
NProto::THistogram* histogram)
{
for (ui32 i = 0; i < snapshot.Count(); i++) {
histogram->AddBounds(snapshot.UpperBound(i));
histogram->AddValues(snapshot.Value(i));
}
}
void FillSummaryDouble(const ISummaryDoubleSnapshot& snapshot, NProto::TSummaryDouble* summary) {
summary->SetSum(snapshot.GetSum());
summary->SetMin(snapshot.GetMin());
summary->SetMax(snapshot.GetMax());
summary->SetLast(snapshot.GetLast());
summary->SetCount(snapshot.GetCount());
}
void FillLogHistogram(const TLogHistogramSnapshot& snapshot, NProto::TLogHistogram* logHist) {
logHist->SetBase(snapshot.Base());
logHist->SetZerosCount(snapshot.ZerosCount());
logHist->SetStartPower(snapshot.StartPower());
for (ui32 i = 0; i < snapshot.Count(); ++i) {
logHist->AddBuckets(snapshot.Bucket(i));
}
}
///////////////////////////////////////////////////////////////////////////////
// TSingleamplesEncoder
///////////////////////////////////////////////////////////////////////////////
class TSingleSamplesEncoder final: public IMetricEncoder {
public:
TSingleSamplesEncoder(NProto::TSingleSamplesList* samples)
: Samples_(samples)
, Sample_(nullptr)
{
}
private:
void OnStreamBegin() override {
}
void OnStreamEnd() override {
}
void OnCommonTime(TInstant time) override {
Samples_->SetCommonTime(time.MilliSeconds());
}
void OnMetricBegin(EMetricType type) override {
Sample_ = Samples_->AddSamples();
Sample_->SetMetricType(ConvertMetricType(type));
}
void OnMetricEnd() override {
Sample_ = nullptr;
}
void OnLabelsBegin() override {
}
void OnLabelsEnd() override {
}
void OnLabel(TStringBuf name, TStringBuf value) override {
NProto::TLabel* label = (Sample_ == nullptr)
? Samples_->AddCommonLabels()
: Sample_->AddLabels();
label->SetName(TString{name});
label->SetValue(TString{value});
}
void OnDouble(TInstant time, double value) override {
Y_ENSURE(Sample_, "metric not started");
Sample_->SetTime(time.MilliSeconds());
Sample_->SetFloat64(value);
}
void OnInt64(TInstant time, i64 value) override {
Y_ENSURE(Sample_, "metric not started");
Sample_->SetTime(time.MilliSeconds());
Sample_->SetInt64(value);
}
void OnUint64(TInstant time, ui64 value) override {
Y_ENSURE(Sample_, "metric not started");
Sample_->SetTime(time.MilliSeconds());
Sample_->SetUint64(value);
}
void OnHistogram(TInstant time, IHistogramSnapshotPtr snapshot) override {
Y_ENSURE(Sample_, "metric not started");
Sample_->SetTime(time.MilliSeconds());
FillHistogram(*snapshot, Sample_->MutableHistogram());
}
void OnSummaryDouble(TInstant time, ISummaryDoubleSnapshotPtr snapshot) override {
Y_ENSURE(Sample_, "metric not started");
Sample_->SetTime(time.MilliSeconds());
FillSummaryDouble(*snapshot, Sample_->MutableSummaryDouble());
}
void OnLogHistogram(TInstant time, TLogHistogramSnapshotPtr snapshot) override {
Y_ENSURE(Sample_, "metric not started");
Sample_->SetTime(time.MilliSeconds());
FillLogHistogram(*snapshot, Sample_->MutableLogHistogram());
}
void Close() override {
}
private:
NProto::TSingleSamplesList* Samples_;
NProto::TSingleSample* Sample_;
};
///////////////////////////////////////////////////////////////////////////////
// TMultiSamplesEncoder
///////////////////////////////////////////////////////////////////////////////
class TMultiSamplesEncoder final: public IMetricEncoder {
public:
TMultiSamplesEncoder(NProto::TMultiSamplesList* samples)
: Samples_(samples)
, Sample_(nullptr)
{
}
private:
void OnStreamBegin() override {
}
void OnStreamEnd() override {
}
void OnCommonTime(TInstant time) override {
Samples_->SetCommonTime(time.MilliSeconds());
}
void OnMetricBegin(EMetricType type) override {
Sample_ = Samples_->AddSamples();
Sample_->SetMetricType(ConvertMetricType(type));
}
void OnMetricEnd() override {
Sample_ = nullptr;
}
void OnLabelsBegin() override {
}
void OnLabelsEnd() override {
}
void OnLabel(TStringBuf name, TStringBuf value) override {
NProto::TLabel* label = (Sample_ == nullptr)
? Samples_->AddCommonLabels()
: Sample_->AddLabels();
label->SetName(TString{name});
label->SetValue(TString{value});
}
void OnDouble(TInstant time, double value) override {
Y_ENSURE(Sample_, "metric not started");
NProto::TPoint* point = Sample_->AddPoints();
point->SetTime(time.MilliSeconds());
point->SetFloat64(value);
}
void OnInt64(TInstant time, i64 value) override {
Y_ENSURE(Sample_, "metric not started");
NProto::TPoint* point = Sample_->AddPoints();
point->SetTime(time.MilliSeconds());
point->SetInt64(value);
}
void OnUint64(TInstant time, ui64 value) override {
Y_ENSURE(Sample_, "metric not started");
NProto::TPoint* point = Sample_->AddPoints();
point->SetTime(time.MilliSeconds());
point->SetUint64(value);
}
void OnHistogram(TInstant time, IHistogramSnapshotPtr snapshot) override {
Y_ENSURE(Sample_, "metric not started");
NProto::TPoint* point = Sample_->AddPoints();
point->SetTime(time.MilliSeconds());
FillHistogram(*snapshot, point->MutableHistogram());
}
void OnSummaryDouble(TInstant time, ISummaryDoubleSnapshotPtr snapshot) override {
Y_ENSURE(Sample_, "metric not started");
NProto::TPoint* point = Sample_->AddPoints();
point->SetTime(time.MilliSeconds());
FillSummaryDouble(*snapshot, point->MutableSummaryDouble());
}
void OnLogHistogram(TInstant time, TLogHistogramSnapshotPtr snapshot) override {
Y_ENSURE(Sample_, "metric not started");
NProto::TPoint* point = Sample_->AddPoints();
point->SetTime(time.MilliSeconds());
FillLogHistogram(*snapshot, point->MutableLogHistogram());
}
void Close() override {
}
private:
NProto::TMultiSamplesList* Samples_;
NProto::TMultiSample* Sample_;
};
}
IMetricEncoderPtr EncoderProtobuf(NProto::TSingleSamplesList* samples) {
return MakeHolder<TSingleSamplesEncoder>(samples);
}
IMetricEncoderPtr EncoderProtobuf(NProto::TMultiSamplesList* samples) {
return MakeHolder<TMultiSamplesEncoder>(samples);
}
}
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