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105 lines
2.4 KiB
C++
105 lines
2.4 KiB
C++
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// 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 <memory>
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#include <string>
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#include "opentelemetry/trace/provider.h"
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#define TRACE_SERVICE_SEGCORE "segcore"
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namespace milvus::tracer {
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struct TraceConfig {
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std::string exporter;
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float sampleFraction;
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std::string jaegerURL;
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std::string otlpEndpoint;
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std::string otlpMethod;
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bool oltpSecure;
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int nodeID;
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};
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struct TraceContext {
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const uint8_t* traceID = nullptr;
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const uint8_t* spanID = nullptr;
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uint8_t traceFlags = 0;
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};
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namespace trace = opentelemetry::trace;
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void
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initTelemetry(const TraceConfig& cfg);
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std::shared_ptr<trace::Tracer>
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GetTracer();
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std::shared_ptr<trace::Span>
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StartSpan(const std::string& name, TraceContext* ctx = nullptr);
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std::shared_ptr<trace::Span>
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StartSpan(const std::string& name, const std::shared_ptr<trace::Span>& span);
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void
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SetRootSpan(std::shared_ptr<trace::Span> span);
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std::shared_ptr<trace::Span>
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GetRootSpan();
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void
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CloseRootSpan();
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void
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AddEvent(const std::string& event_label);
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bool
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EmptyTraceID(const TraceContext* ctx);
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bool
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EmptySpanID(const TraceContext* ctx);
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std::string
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BytesToHexStr(const uint8_t* data, const size_t len);
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std::string
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GetIDFromHexStr(const std::string& hexStr);
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std::string
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GetTraceIDAsHexStr(const TraceContext* ctx);
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std::string
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GetSpanIDAsHexStr(const TraceContext* ctx);
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std::string
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GetTraceID();
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struct AutoSpan {
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explicit AutoSpan(const std::string& name,
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TraceContext* ctx = nullptr,
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bool is_root_span = false);
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explicit AutoSpan(const std::string& name,
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const std::shared_ptr<trace::Span>& span);
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std::shared_ptr<trace::Span>
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GetSpan();
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~AutoSpan();
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private:
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std::shared_ptr<trace::Span> span_;
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bool is_root_span_;
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};
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} // namespace milvus::tracer
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