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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2024 iLogtail Authors | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
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| #include "pipeline/serializer/JsonSerializer.h" | ||
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| #include "constants/SpanConstants.h" | ||
| #include "protobuf/sls/LogGroupSerializer.h" | ||
|
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| using namespace std; | ||
|
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| namespace logtail { | ||
|
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| const string JSON_KEY_TIME = "__time__"; | ||
| const string JSON_KEY_TIME_NANO = "__time_nano__"; | ||
| const string JSON_KEY_TAGS = "tags"; | ||
| const string JSON_KEY_CONTENTS = "contents"; | ||
|
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| bool JsonEventGroupSerializer::Serialize(BatchedEvents&& group, string& res, string& errorMsg) { | ||
| if (group.mEvents.empty()) { | ||
| errorMsg = "empty event group"; | ||
| return false; | ||
| } | ||
|
|
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| PipelineEvent::Type eventType = group.mEvents[0]->GetType(); | ||
| if (eventType == PipelineEvent::Type::NONE) { | ||
| // should not happen | ||
| errorMsg = "unsupported event type in event group"; | ||
| return false; | ||
| } | ||
|
|
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| Json::Value groupTags; | ||
| for (const auto& tag : group.mTags.mInner) { | ||
| groupTags[tag.first.to_string()] = tag.second.to_string(); | ||
| } | ||
|
|
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| std::ostringstream oss; | ||
| switch (eventType) { | ||
| case PipelineEvent::Type::LOG: | ||
| for (size_t i = 0; i < group.mEvents.size(); ++i) { | ||
| const auto& e = group.mEvents[i].Cast<LogEvent>(); | ||
| Json::Value eventJson; | ||
| // time | ||
| eventJson[JSON_KEY_TIME] = e.GetTimestamp(); | ||
| // tags | ||
| eventJson[JSON_KEY_TAGS] = Json::Value(); | ||
| eventJson[JSON_KEY_TAGS].copy(groupTags); | ||
| // contents | ||
| eventJson[JSON_KEY_CONTENTS] = Json::Value(); | ||
| for (const auto& kv : e) { | ||
| eventJson[JSON_KEY_CONTENTS][kv.first.to_string()] = kv.second.to_string(); | ||
| } | ||
| oss << JsonToString(eventJson) << "\n"; | ||
| } | ||
| break; | ||
| case PipelineEvent::Type::METRIC: | ||
| for (size_t i = 0; i < group.mEvents.size(); ++i) { | ||
| const auto& e = group.mEvents[i].Cast<MetricEvent>(); | ||
| if (e.Is<std::monostate>()) { | ||
| continue; | ||
| } | ||
| Json::Value eventJson; | ||
| // time | ||
| eventJson[JSON_KEY_TIME] = e.GetTimestamp(); | ||
| // tags | ||
| eventJson[JSON_KEY_TAGS] = Json::Value(); | ||
| eventJson[JSON_KEY_TAGS].copy(groupTags); | ||
| // contents | ||
| eventJson[JSON_KEY_CONTENTS] = Json::Value(); | ||
| // __labels__ | ||
| eventJson[JSON_KEY_CONTENTS][METRIC_RESERVED_KEY_LABELS] = Json::Value(); | ||
| for (auto tag = e.TagsBegin(); tag != e.TagsEnd(); tag++) { | ||
| eventJson[JSON_KEY_CONTENTS][METRIC_RESERVED_KEY_LABELS][tag->first.to_string()] | ||
| = tag->second.to_string(); | ||
| } | ||
| // __name__ | ||
| eventJson[JSON_KEY_CONTENTS][METRIC_RESERVED_KEY_NAME] = e.GetName().to_string(); | ||
| // __value__ | ||
| if (e.Is<UntypedSingleValue>()) { | ||
| eventJson[JSON_KEY_CONTENTS][METRIC_RESERVED_KEY_VALUE] = e.GetValue<UntypedSingleValue>()->mValue; | ||
| } else if (e.Is<UntypedMultiDoubleValues>()) { | ||
| eventJson[JSON_KEY_CONTENTS][METRIC_RESERVED_KEY_VALUE] = Json::Value(); | ||
| for (auto value = e.GetValue<UntypedMultiDoubleValues>()->ValusBegin(); | ||
| value != e.GetValue<UntypedMultiDoubleValues>()->ValusEnd(); | ||
| value++) { | ||
| eventJson[JSON_KEY_CONTENTS][METRIC_RESERVED_KEY_VALUE][value->first.to_string()] | ||
| = value->second; | ||
| } | ||
| } | ||
| oss << JsonToString(eventJson) << "\n"; | ||
| } | ||
| break; | ||
| case PipelineEvent::Type::SPAN: | ||
| for (size_t i = 0; i < group.mEvents.size(); ++i) { | ||
| const auto& e = group.mEvents[i].Cast<SpanEvent>(); | ||
| Json::Value eventJson; | ||
| // time | ||
| eventJson[JSON_KEY_TIME] = e.GetTimestamp(); | ||
| // tags | ||
| eventJson[JSON_KEY_TAGS] = Json::Value(); | ||
| eventJson[JSON_KEY_TAGS].copy(groupTags); | ||
| // contents | ||
| eventJson[JSON_KEY_CONTENTS] = Json::Value(); | ||
| // set trace_id span_id span_kind status etc | ||
| eventJson[JSON_KEY_CONTENTS][DEFAULT_TRACE_TAG_TRACE_ID] = e.GetTraceId().to_string(); | ||
| eventJson[JSON_KEY_CONTENTS][DEFAULT_TRACE_TAG_SPAN_ID] = e.GetSpanId().to_string(); | ||
| eventJson[JSON_KEY_CONTENTS][DEFAULT_TRACE_TAG_PARENT_ID] = e.GetParentSpanId().to_string(); | ||
| // span_name | ||
| eventJson[JSON_KEY_CONTENTS][DEFAULT_TRACE_TAG_SPAN_NAME] = e.GetName().to_string(); | ||
| // span_kind | ||
| eventJson[JSON_KEY_CONTENTS][DEFAULT_TRACE_TAG_SPAN_KIND] = GetKindString(e.GetKind()); | ||
| // status_code | ||
| eventJson[JSON_KEY_CONTENTS][DEFAULT_TRACE_TAG_STATUS_CODE] = GetStatusString(e.GetStatus()); | ||
| // trace state | ||
| eventJson[JSON_KEY_CONTENTS][DEFAULT_TRACE_TAG_TRACE_STATE] = e.GetTraceState().to_string(); | ||
| eventJson[JSON_KEY_CONTENTS][DEFAULT_TRACE_TAG_ATTRIBUTES] = SerializeSpanTagsToString(e); | ||
| eventJson[JSON_KEY_CONTENTS][DEFAULT_TRACE_TAG_LINKS] = SerializeSpanLinksToString(e); | ||
| eventJson[JSON_KEY_CONTENTS][DEFAULT_TRACE_TAG_EVENTS] = SerializeSpanEventsToString(e); | ||
| // start_time | ||
| eventJson[JSON_KEY_CONTENTS][DEFAULT_TRACE_TAG_START_TIME_NANO] = std::to_string(e.GetStartTimeNs()); | ||
| // end_time | ||
| eventJson[JSON_KEY_CONTENTS][DEFAULT_TRACE_TAG_END_TIME_NANO] = std::to_string(e.GetEndTimeNs()); | ||
| // duration | ||
| eventJson[JSON_KEY_CONTENTS][DEFAULT_TRACE_TAG_DURATION] | ||
| = std::to_string(e.GetEndTimeNs() - e.GetStartTimeNs()); | ||
|
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| oss << JsonToString(eventJson) << "\n"; | ||
| } | ||
| break; | ||
| case PipelineEvent::Type::RAW: | ||
| for (size_t i = 0; i < group.mEvents.size(); ++i) { | ||
| const auto& e = group.mEvents[i].Cast<RawEvent>(); | ||
| Json::Value eventJson; | ||
| // time | ||
| eventJson[JSON_KEY_TIME] = e.GetTimestamp(); | ||
| // tags | ||
| eventJson[JSON_KEY_TAGS] = Json::Value(); | ||
| eventJson[JSON_KEY_TAGS].copy(groupTags); | ||
| // contents | ||
| eventJson[JSON_KEY_CONTENTS] = Json::Value(); | ||
| eventJson[JSON_KEY_CONTENTS][DEFAULT_CONTENT_KEY] = e.GetContent().to_string(); | ||
| oss << JsonToString(eventJson) << "\n"; | ||
| } | ||
| break; | ||
| default: | ||
| break; | ||
| } | ||
| res = oss.str(); | ||
| return true; | ||
| } | ||
|
|
||
| } // namespace logtail |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| /* | ||
| * Copyright 2024 iLogtail Authors | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
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| #pragma once | ||
|
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| #include <string> | ||
| #include <vector> | ||
|
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| #include "pipeline/serializer/Serializer.h" | ||
|
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| namespace logtail { | ||
|
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| class JsonEventGroupSerializer : public Serializer<BatchedEvents> { | ||
| public: | ||
| JsonEventGroupSerializer(Flusher* f) : Serializer<BatchedEvents>(f) {} | ||
|
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| private: | ||
| bool Serialize(BatchedEvents&& p, std::string& res, std::string& errorMsg) override; | ||
| }; | ||
|
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| } // namespace logtail |
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