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Feat: MetricEvent support UntypedMultiValues #1908

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merged 9 commits into from
Nov 25, 2024
Merged

Feat: MetricEvent support UntypedMultiValues #1908

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75ed7ff
add UntypedMultiValues
Takuka0311 Nov 22, 2024
6696eb1
polish
Takuka0311 Nov 24, 2024
a40dbe2
polish
Takuka0311 Nov 25, 2024
a97399b
polish
Takuka0311 Nov 25, 2024
232b332
polish
Takuka0311 Nov 25, 2024
e32711d
Merge branch 'alibaba:main' into support-metric-event-multi-values
Takuka0311 Nov 25, 2024
db3994f
polish
Takuka0311 Nov 25, 2024
d1d43c5
fix bug
Takuka0311 Nov 25, 2024
750f155
polish
Takuka0311 Nov 25, 2024
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26 changes: 24 additions & 2 deletions core/models/MetricEvent.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -88,7 +88,21 @@ Json::Value MetricEvent::ToJson(bool enableEventMeta) const {
root["timestampNanosecond"] = static_cast<int32_t>(GetTimestampNanosecond().value());
}
root["name"] = mName.to_string();
root["value"] = MetricValueToJson(mValue);
root["value"] = Json::Value();
visit(
[&](auto&& arg) {
using T = decay_t<decltype(arg)>;
if constexpr (is_same_v<T, UntypedSingleValue>) {
root["value"]["type"] = "untyped_single_value";
root["value"]["detail"] = get<UntypedSingleValue>(mValue).ToJson();
} else if constexpr (is_same_v<T, UntypedMultiFloatValues>) {
root["value"]["type"] = "untyped_multi_values";
root["value"]["detail"] = get<UntypedMultiFloatValues>(mValue).ToJson();
} else if constexpr (is_same_v<T, monostate>) {
root["value"]["type"] = "unknown";
}
},
mValue);
if (!mTags.mInner.empty()) {
Json::Value& tags = root["tags"];
for (const auto& tag : mTags.mInner) {
Expand All @@ -106,7 +120,15 @@ bool MetricEvent::FromJson(const Json::Value& root) {
}
SetName(root["name"].asString());
const Json::Value& value = root["value"];
SetValue(JsonToMetricValue(value["type"].asString(), value["detail"]));
if (value["type"].asString() == "untyped_single_value") {
UntypedSingleValue v;
v.FromJson(value["detail"]);
SetValue(v);
} else if (value["type"].asString() == "untyped_multi_values") {
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UntypedMultiFloatValues v(this);
v.FromJson(value["detail"]);
SetValue(v);
}
if (root.isMember("tags")) {
Json::Value tags = root["tags"];
for (const auto& key : tags.getMemberNames()) {
Expand Down
84 changes: 65 additions & 19 deletions core/models/MetricValue.cpp
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Expand Up @@ -20,6 +20,61 @@ using namespace std;

namespace logtail {

double UntypedMultiFloatValues::GetMultiKeyValue(StringView key) const {
if (mValues.find(key) != mValues.end()) {
return mValues.at(key);
}
return 0;
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}

bool UntypedMultiFloatValues::HasMultiKeyValue(StringView key) const {
return mValues.find(key) != mValues.end();
}

void UntypedMultiFloatValues::SetMultiKeyValue(const std::string& key, double val) const {
if (mMetricEventPtr) {
SetMultiKeyValueNoCopy(mMetricEventPtr->GetSourceBuffer()->CopyString(key), val);
}
}

void UntypedMultiFloatValues::SetMultiKeyValue(StringView key, double val) const {
if (mMetricEventPtr) {
SetMultiKeyValueNoCopy(mMetricEventPtr->GetSourceBuffer()->CopyString(key), val);
}
}

void UntypedMultiFloatValues::SetMultiKeyValueNoCopy(const StringBuffer& key, double val) const {
SetMultiKeyValueNoCopy(StringView(key.data, key.size), val);
}

void UntypedMultiFloatValues::SetMultiKeyValueNoCopy(StringView key, double val) const {
mValues[key] = val;
}

void UntypedMultiFloatValues::DelMultiKeyValue(StringView key) const {
mValues.erase(key);
}

std::map<StringView, double>::const_iterator UntypedMultiFloatValues::MultiKeyValusBegin() const {
return mValues.begin();
}

std::map<StringView, double>::const_iterator UntypedMultiFloatValues::MultiKeyValusEnd() const {
return mValues.end();
}

size_t UntypedMultiFloatValues::MultiKeyValusSize() const {
return mValues.size();
}

size_t UntypedMultiFloatValues::DataSize() const {
size_t totalSize = sizeof(UntypedMultiFloatValues);
for (const auto& pair : mValues) {
totalSize += pair.first.size() + sizeof(pair.second);
}
return totalSize;
}

size_t DataSize(const MetricValue& value) {
return visit(
[](auto&& arg) {
Expand All @@ -42,29 +97,20 @@ void UntypedSingleValue::FromJson(const Json::Value& value) {
mValue = value.asFloat();
}

Json::Value MetricValueToJson(const MetricValue& value) {
Json::Value UntypedMultiFloatValues::ToJson() const {
Json::Value res;
visit(
[&](auto&& arg) {
using T = decay_t<decltype(arg)>;
if constexpr (is_same_v<T, UntypedSingleValue>) {
res["type"] = "untyped_single_value";
res["detail"] = get<UntypedSingleValue>(value).ToJson();
} else if constexpr (is_same_v<T, monostate>) {
res["type"] = "unknown";
}
},
value);
for (auto metric : mValues) {
res[metric.first.to_string()] = metric.second;
}
return res;
}

MetricValue JsonToMetricValue(const string& type, const Json::Value& detail) {
if (type == "untyped_single_value") {
UntypedSingleValue v;
v.FromJson(detail);
return v;
} else {
return MetricValue();
void UntypedMultiFloatValues::FromJson(const Json::Value& value) {
mValues.clear();
for (Json::Value::const_iterator itr = value.begin(); itr != value.end(); ++itr) {
if (itr->asDouble()) {
SetMultiKeyValue(itr.key().asString(), itr->asDouble());
}
}
}
#endif
Expand Down
35 changes: 31 additions & 4 deletions core/models/MetricValue.h
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@

#pragma once

#include <map>
#include <variant>

#ifdef APSARA_UNIT_TEST_MAIN
Expand All @@ -24,6 +25,10 @@
#include <string>
#endif

#include "common/memory/SourceBuffer.h"
#include "models/PipelineEvent.h"
#include "models/StringView.h"

namespace logtail {

struct UntypedSingleValue {
Expand All @@ -37,13 +42,35 @@ struct UntypedSingleValue {
#endif
};

using MetricValue = std::variant<std::monostate, UntypedSingleValue>;
struct UntypedMultiFloatValues {
mutable std::map<StringView, double> mValues;
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PipelineEvent* mMetricEventPtr;
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size_t DataSize(const MetricValue& value);
UntypedMultiFloatValues(PipelineEvent* ptr): mMetricEventPtr(ptr) {}
UntypedMultiFloatValues(std::map<StringView, double> values, PipelineEvent* ptr): mValues(values), mMetricEventPtr(ptr) {}
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double GetMultiKeyValue(StringView key) const;
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bool HasMultiKeyValue(StringView key) const;
void SetMultiKeyValue(const std::string& key, double val) const;
void SetMultiKeyValue(StringView key, double val) const;
void SetMultiKeyValueNoCopy(const StringBuffer& key, double val) const;
void SetMultiKeyValueNoCopy(StringView key, double val) const;
void DelMultiKeyValue(StringView key) const;

std::map<StringView, double>::const_iterator MultiKeyValusBegin() const;
std::map<StringView, double>::const_iterator MultiKeyValusEnd() const;
size_t MultiKeyValusSize() const;

size_t DataSize() const;

#ifdef APSARA_UNIT_TEST_MAIN
Json::Value MetricValueToJson(const MetricValue& value);
MetricValue JsonToMetricValue(const std::string& type, const Json::Value& detail);
Json::Value ToJson() const;
void FromJson(const Json::Value& value);
#endif
};

using MetricValue = std::variant<std::monostate, UntypedSingleValue, UntypedMultiFloatValues>;

size_t DataSize(const MetricValue& value);

} // namespace logtail
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