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127 lines
4.1 KiB
127 lines
4.1 KiB
// Copyright The OpenTelemetry Authors |
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// SPDX-License-Identifier: Apache-2.0 |
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#pragma once |
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#include "opentelemetry/common/key_value_iterable.h" |
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#include "opentelemetry/common/key_value_iterable_view.h" |
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#include "opentelemetry/nostd/shared_ptr.h" |
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#include "opentelemetry/nostd/string_view.h" |
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#include "opentelemetry/version.h" |
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OPENTELEMETRY_BEGIN_NAMESPACE |
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namespace trace |
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{ |
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class Tracer; |
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/** |
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* Creates new Tracer instances. |
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*/ |
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class OPENTELEMETRY_EXPORT TracerProvider |
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{ |
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public: |
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virtual ~TracerProvider() = default; |
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#if OPENTELEMETRY_ABI_VERSION_NO >= 2 |
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/** |
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* Gets or creates a named Tracer instance (ABI). |
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* |
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* @since ABI_VERSION 2 |
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* |
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* @param[in] name Tracer instrumentation scope |
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* @param[in] version Instrumentation scope version |
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* @param[in] schema_url Instrumentation scope schema URL |
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* @param[in] attributes Instrumentation scope attributes (optional, may be nullptr) |
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*/ |
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virtual nostd::shared_ptr<Tracer> GetTracer( |
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nostd::string_view name, |
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nostd::string_view version, |
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nostd::string_view schema_url, |
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const common::KeyValueIterable *attributes) noexcept = 0; |
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/** |
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* Gets or creates a named Tracer instance (API helper). |
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* |
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* @since ABI_VERSION 2 |
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* |
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* @param[in] name Tracer instrumentation scope |
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* @param[in] version Instrumentation scope version, optional |
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* @param[in] schema_url Instrumentation scope schema URL, optional |
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*/ |
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nostd::shared_ptr<Tracer> GetTracer(nostd::string_view name, |
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nostd::string_view version = "", |
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nostd::string_view schema_url = "") |
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{ |
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return GetTracer(name, version, schema_url, nullptr); |
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} |
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/** |
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* Gets or creates a named Tracer instance (API helper). |
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* |
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* @since ABI_VERSION 2 |
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* |
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* @param[in] name Tracer instrumentation scope |
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* @param[in] version Instrumentation scope version |
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* @param[in] schema_url Instrumentation scope schema URL |
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* @param[in] attributes Instrumentation scope attributes |
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*/ |
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nostd::shared_ptr<Tracer> GetTracer( |
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nostd::string_view name, |
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nostd::string_view version, |
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nostd::string_view schema_url, |
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std::initializer_list<std::pair<nostd::string_view, common::AttributeValue>> attributes) |
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{ |
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/* Build a container from std::initializer_list. */ |
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nostd::span<const std::pair<nostd::string_view, common::AttributeValue>> attributes_span{ |
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attributes.begin(), attributes.end()}; |
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/* Build a view on the container. */ |
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common::KeyValueIterableView< |
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nostd::span<const std::pair<nostd::string_view, common::AttributeValue>>> |
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iterable_attributes{attributes_span}; |
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/* Add attributes using the view. */ |
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return GetTracer(name, version, schema_url, &iterable_attributes); |
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} |
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/** |
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* Gets or creates a named Tracer instance (API helper). |
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* |
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* @since ABI_VERSION 2 |
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* |
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* @param[in] name Tracer instrumentation scope |
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* @param[in] version Instrumentation scope version |
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* @param[in] schema_url Instrumentation scope schema URL |
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* @param[in] attributes Instrumentation scope attributes container |
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*/ |
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template <class T, |
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nostd::enable_if_t<common::detail::is_key_value_iterable<T>::value> * = nullptr> |
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nostd::shared_ptr<Tracer> GetTracer(nostd::string_view name, |
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nostd::string_view version, |
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nostd::string_view schema_url, |
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const T &attributes) |
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{ |
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/* Build a view on the container. */ |
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common::KeyValueIterableView<T> iterable_attributes(attributes); |
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/* Add attributes using the view. */ |
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return GetTracer(name, version, schema_url, &iterable_attributes); |
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} |
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#else |
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/** |
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* Gets or creates a named tracer instance. |
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* |
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* Optionally a version can be passed to create a named and versioned tracer |
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* instance. |
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*/ |
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virtual nostd::shared_ptr<Tracer> GetTracer(nostd::string_view name, |
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nostd::string_view version = "", |
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nostd::string_view schema_url = "") noexcept = 0; |
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#endif |
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}; |
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} // namespace trace |
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OPENTELEMETRY_END_NAMESPACE
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