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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
||
| #pragma once | ||
| #ifndef ENABLE_METRICS_PREVIEW | ||
| # include <chrono> | ||
| # include "opentelemetry/metrics/meter.h" | ||
| # include "opentelemetry/sdk/instrumentationlibrary/instrumentation_library.h" | ||
| # include "opentelemetry/sdk/metrics/meter_context.h" | ||
| # include "opentelemetry/sdk/resource/resource.h" | ||
| # include "opentelemetry/version.h" | ||
|
|
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| OPENTELEMETRY_BEGIN_NAMESPACE | ||
| namespace sdk | ||
| { | ||
| namespace metrics | ||
| { | ||
| class Meter final : public opentelemetry::metrics::Meter | ||
| { | ||
| public: | ||
| /** Construct a new Meter with the given pipeline. */ | ||
| explicit Meter(std::shared_ptr<sdk::metrics::MeterContext> context, | ||
| std::unique_ptr<opentelemetry::sdk::instrumentationlibrary::InstrumentationLibrary> | ||
| instrumentation_library = | ||
| opentelemetry::sdk::instrumentationlibrary::InstrumentationLibrary::Create( | ||
| "")) noexcept; | ||
|
|
||
| nostd::shared_ptr<opentelemetry::metrics::Counter<long>> CreateLongCounter( | ||
| nostd::string_view name, | ||
| nostd::string_view description = "", | ||
| nostd::string_view unit = "") noexcept override; | ||
|
|
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| nostd::shared_ptr<opentelemetry::metrics::Counter<double>> CreateDoubleCounter( | ||
| nostd::string_view name, | ||
| nostd::string_view description = "", | ||
| nostd::string_view unit = "") noexcept override; | ||
|
|
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| nostd::shared_ptr<opentelemetry::metrics::ObservableCounter<long>> CreateLongObservableCounter( | ||
| nostd::string_view name, | ||
| void (*callback)(opentelemetry::metrics::ObserverResult<long> &), | ||
| nostd::string_view description = "", | ||
| nostd::string_view unit = "") noexcept override; | ||
|
|
||
| nostd::shared_ptr<opentelemetry::metrics::ObservableCounter<double>> | ||
| CreateDoubleObservableCounter(nostd::string_view name, | ||
| void (*callback)(opentelemetry::metrics::ObserverResult<double> &), | ||
| nostd::string_view description = "", | ||
| nostd::string_view unit = "1") noexcept override; | ||
|
|
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| nostd::shared_ptr<opentelemetry::metrics::Histogram<long>> CreateLongHistogram( | ||
| nostd::string_view name, | ||
| nostd::string_view description = "", | ||
| nostd::string_view unit = "") noexcept override; | ||
|
|
||
| nostd::shared_ptr<opentelemetry::metrics::Histogram<double>> CreateDoubleHistogram( | ||
| nostd::string_view name, | ||
| nostd::string_view description = "", | ||
| nostd::string_view unit = "") noexcept override; | ||
|
|
||
| nostd::shared_ptr<opentelemetry::metrics::ObservableGauge<long>> CreateLongObservableGauge( | ||
| nostd::string_view name, | ||
| void (*callback)(opentelemetry::metrics::ObserverResult<long> &), | ||
| nostd::string_view description = "", | ||
| nostd::string_view unit = "") noexcept override; | ||
|
|
||
| nostd::shared_ptr<opentelemetry::metrics::ObservableGauge<double>> CreateDoubleObservableGauge( | ||
| nostd::string_view name, | ||
| void (*callback)(opentelemetry::metrics::ObserverResult<double> &), | ||
| nostd::string_view description = "", | ||
| nostd::string_view unit = "") noexcept override; | ||
|
|
||
| nostd::shared_ptr<opentelemetry::metrics::UpDownCounter<long>> CreateLongUpDownCounter( | ||
| nostd::string_view name, | ||
| nostd::string_view description = "", | ||
| nostd::string_view unit = "") noexcept override; | ||
|
|
||
| nostd::shared_ptr<opentelemetry::metrics::UpDownCounter<double>> CreateDoubleUpDownCounter( | ||
| nostd::string_view name, | ||
| nostd::string_view description = "", | ||
| nostd::string_view unit = "") noexcept override; | ||
|
|
||
| nostd::shared_ptr<opentelemetry::metrics::ObservableUpDownCounter<long>> | ||
| CreateLongObservableUpDownCounter( | ||
| nostd::string_view name, | ||
| void (*callback)(opentelemetry::metrics::ObserverResult<long> &), | ||
| nostd::string_view description = "", | ||
| nostd::string_view unit = "") noexcept override; | ||
|
|
||
| nostd::shared_ptr<opentelemetry::metrics::ObservableUpDownCounter<double>> | ||
| CreateDoubleObservableUpDownCounter( | ||
| nostd::string_view name, | ||
| void (*callback)(opentelemetry::metrics::ObserverResult<double> &), | ||
| nostd::string_view description = "", | ||
| nostd::string_view unit = "") noexcept override; | ||
|
|
||
| /** Returns the associated instruementation library */ | ||
| const sdk::instrumentationlibrary::InstrumentationLibrary &GetInstrumentationLibrary() | ||
| const noexcept; | ||
|
|
||
| private: | ||
| // order of declaration is important here - instrumentation library should destroy after | ||
| // meter-context. | ||
| std::shared_ptr<sdk::instrumentationlibrary::InstrumentationLibrary> instrumentation_library_; | ||
| std::shared_ptr<sdk::metrics::MeterContext> context_; | ||
| }; | ||
| } // namespace metrics | ||
| } // namespace sdk | ||
| OPENTELEMETRY_END_NAMESPACE | ||
| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
||
| #pragma once | ||
| #ifndef ENABLE_METRICS_PREVIEW | ||
| # include <chrono> | ||
| # include <memory> | ||
| # include <vector> | ||
| # include "opentelemetry/sdk/metrics/metric_exporter.h" | ||
| # include "opentelemetry/sdk/metrics/metric_reader.h" | ||
| # include "opentelemetry/sdk/metrics/view.h" | ||
| # include "opentelemetry/sdk/resource/resource.h" | ||
| # include "opentelemetry/version.h" | ||
|
|
||
| OPENTELEMETRY_BEGIN_NAMESPACE | ||
| namespace sdk | ||
| { | ||
| namespace metrics | ||
| { | ||
| /** | ||
| * A class which stores the MeterProvider context. | ||
| */ | ||
| class MeterContext | ||
| { | ||
| public: | ||
| /** | ||
| * Initialize a new meter provider | ||
| * @param exporters The exporters to be configured with meter context | ||
| * @param readers The readers to be configured with meter context. | ||
| * @param views The views to be configured with meter context. | ||
| * @param resource The resource for this meter context. | ||
| */ | ||
| MeterContext(std::vector<std::unique_ptr<sdk::metrics::MetricExporter>> &&exporters, | ||
| std::vector<std::unique_ptr<MetricReader>> &&readers, | ||
| std::vector<std::unique_ptr<View>> &&views, | ||
| opentelemetry::sdk::resource::Resource resource = | ||
| opentelemetry::sdk::resource::Resource::Create({})) noexcept; | ||
|
|
||
| /** | ||
| * Obtain the resource associated with this meter context. | ||
| * @return The resource for this meter context | ||
| */ | ||
| const opentelemetry::sdk::resource::Resource &GetResource() const noexcept; | ||
|
|
||
| /** | ||
| * Attaches a metric exporter to list of configured exporters for this Meter context. | ||
| * @param exporter The metric exporter for this meter context. This | ||
| * must not be a nullptr. | ||
| * | ||
| * Note: This exporter may not receive any in-flight meter data, but will get newly created meter | ||
| * data. Note: This method is not thread safe, and should ideally be called from main thread. | ||
| */ | ||
| void AddMetricExporter(std::unique_ptr<MetricExporter> exporter) noexcept; | ||
|
|
||
| /** | ||
| * Attaches a metric reader to list of configured readers for this Meter context. | ||
| * @param reader The metric reader for this meter context. This | ||
| * must not be a nullptr. | ||
| * | ||
| * Note: This reader may not receive any in-flight meter data, but will get newly created meter | ||
| * data. Note: This method is not thread safe, and should ideally be called from main thread. | ||
| */ | ||
| void AddMetricReader(std::unique_ptr<MetricReader> reader) noexcept; | ||
|
|
||
| /** | ||
| * Attaches a View to list of configured Views for this Meter context. | ||
| * @param view The Views for this meter context. This | ||
| * must not be a nullptr. | ||
| * | ||
| * Note: This view may not receive any in-flight meter data, but will get newly created meter | ||
| * data. Note: This method is not thread safe, and should ideally be called from main thread. | ||
| */ | ||
| void AddView(std::unique_ptr<View> view) noexcept; | ||
|
|
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| /** | ||
| * Force all active Exporters and Readers to flush any buffered meter data | ||
| * within the given timeout. | ||
| */ | ||
|
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| bool ForceFlush(std::chrono::microseconds timeout = (std::chrono::microseconds::max)()) noexcept; | ||
|
|
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| /** | ||
| * Shutdown the Exporters and Readers associated with this meter provider. | ||
| */ | ||
| bool Shutdown() noexcept; | ||
|
|
||
| private: | ||
| opentelemetry::sdk::resource::Resource resource_; | ||
| std::vector<std::unique_ptr<MetricExporter>> exporters_; | ||
| std::vector<std::unique_ptr<MetricReader>> readers_; | ||
| std::vector<std::unique_ptr<View>> views_; | ||
| }; | ||
|
|
||
| } // namespace metrics | ||
| } // namespace sdk | ||
| OPENTELEMETRY_END_NAMESPACE | ||
| #endif |
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