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44 lines
1.2 KiB
44 lines
1.2 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/context/context.h" |
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#include "opentelemetry/nostd/shared_ptr.h" |
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#include "opentelemetry/trace/default_span.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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// Get Span from explicit context |
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inline nostd::shared_ptr<Span> GetSpan(const context::Context &context) noexcept |
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{ |
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context::ContextValue span = context.GetValue(kSpanKey); |
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if (nostd::holds_alternative<nostd::shared_ptr<Span>>(span)) |
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{ |
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return nostd::get<nostd::shared_ptr<Span>>(span); |
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} |
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return nostd::shared_ptr<Span>(new DefaultSpan(SpanContext::GetInvalid())); |
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} |
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inline bool IsRootSpan(const context::Context &context) noexcept |
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{ |
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context::ContextValue is_root_span = context.GetValue(kIsRootSpanKey); |
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if (nostd::holds_alternative<bool>(is_root_span)) |
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{ |
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return nostd::get<bool>(is_root_span); |
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} |
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return false; |
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} |
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// Set Span into explicit context |
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inline context::Context SetSpan(context::Context &context, |
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const nostd::shared_ptr<Span> &span) noexcept |
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{ |
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return context.SetValue(kSpanKey, span); |
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} |
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} // namespace trace |
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OPENTELEMETRY_END_NAMESPACE
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