112 lines
3.9 KiB
C++
112 lines
3.9 KiB
C++
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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#include <iostream>
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#include <memory>
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#include <string>
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#include <type_traits>
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#include <utility>
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#include <vector>
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#include "opentelemetry/exporters/memory/in_memory_span_data.h"
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#include "opentelemetry/exporters/memory/in_memory_span_exporter_factory.h"
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#include "opentelemetry/exporters/ostream/span_exporter_factory.h"
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#include "opentelemetry/nostd/span.h"
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#include "opentelemetry/nostd/string_view.h"
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#include "opentelemetry/sdk/trace/exporter.h"
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#include "opentelemetry/sdk/trace/processor.h"
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#include "opentelemetry/sdk/trace/provider.h"
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#include "opentelemetry/sdk/trace/simple_processor_factory.h"
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#include "opentelemetry/sdk/trace/span_data.h"
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#include "opentelemetry/sdk/trace/tracer_provider.h"
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#include "opentelemetry/sdk/trace/tracer_provider_factory.h"
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#include "opentelemetry/trace/span_id.h"
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#include "opentelemetry/trace/span_metadata.h"
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#include "opentelemetry/trace/trace_id.h"
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#include "opentelemetry/trace/tracer_provider.h"
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#ifdef BAZEL_BUILD
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# include "examples/common/foo_library/foo_library.h"
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#else
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# include "foo_library/foo_library.h"
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#endif
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using opentelemetry::exporter::memory::InMemorySpanData;
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namespace trace_api = opentelemetry::trace;
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namespace trace_sdk = opentelemetry::sdk::trace;
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namespace
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{
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std::shared_ptr<InMemorySpanData> InitTracer()
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{
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std::shared_ptr<InMemorySpanData> data;
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auto exporter1 = opentelemetry::exporter::trace::OStreamSpanExporterFactory::Create();
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auto processor1 = trace_sdk::SimpleSpanProcessorFactory::Create(std::move(exporter1));
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auto exporter2 = opentelemetry::exporter::memory::InMemorySpanExporterFactory::Create(data);
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auto processor2 = trace_sdk::SimpleSpanProcessorFactory::Create(std::move(exporter2));
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std::vector<std::unique_ptr<opentelemetry::sdk::trace::SpanProcessor>> processors;
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processors.push_back(std::move(processor1));
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processors.push_back(std::move(processor2));
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std::shared_ptr<opentelemetry::trace::TracerProvider> provider =
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trace_sdk::TracerProviderFactory::Create(std::move(processors));
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// Set the global trace provider
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trace_sdk::Provider::SetTracerProvider(std::move(provider));
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return data;
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}
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void CleanupTracer()
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{
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std::shared_ptr<opentelemetry::trace::TracerProvider> none;
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trace_sdk::Provider::SetTracerProvider(none);
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}
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void dumpSpans(std::vector<std::unique_ptr<trace_sdk::SpanData>> &spans)
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{
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char span_buf[trace_api::SpanId::kSize * 2];
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char trace_buf[trace_api::TraceId::kSize * 2];
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char parent_span_buf[trace_api::SpanId::kSize * 2];
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std::cout << "\nSpans from memory :" << '\n';
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for (auto &span : spans)
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{
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std::cout << "\n\tSpan: " << '\n';
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std::cout << "\t\tName: " << span->GetName() << '\n';
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span->GetSpanId().ToLowerBase16(span_buf);
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span->GetTraceId().ToLowerBase16(trace_buf);
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span->GetParentSpanId().ToLowerBase16(parent_span_buf);
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std::cout << "\t\tTraceId: " << std::string(trace_buf, sizeof(trace_buf)) << '\n';
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std::cout << "\t\tSpanId: " << std::string(span_buf, sizeof(span_buf)) << '\n';
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std::cout << "\t\tParentSpanId: " << std::string(parent_span_buf, sizeof(parent_span_buf))
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<< '\n';
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std::cout << "\t\tDescription: " << span->GetDescription() << '\n';
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std::cout << "\t\tSpan kind:"
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<< static_cast<typename std::underlying_type<trace_api::SpanKind>::type>(
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span->GetSpanKind())
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<< '\n';
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std::cout << "\t\tSpan Status: "
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<< static_cast<typename std::underlying_type<trace_api::StatusCode>::type>(
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span->GetStatus())
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<< '\n';
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}
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}
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} // namespace
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int main(int /* argc */, char ** /* argv */)
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{
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// Removing this line will leave the default noop TracerProvider in place.
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std::shared_ptr<InMemorySpanData> data = InitTracer();
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foo_library();
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auto memory_spans = data->GetSpans();
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dumpSpans(memory_spans);
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CleanupTracer();
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return 0;
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}
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